Physical or chemical processes or apparatus in general (B01)

B01            Physical or chemical processes or apparatus in general(53924)

Catalyst for dehydrogenating of alkylaromatic hydrocarbons // 2629195
FIELD: chemistry.SUBSTANCE: catalyst comprises at least one iron compound, at least one potassium compound, at least one cerium compound, from 0.7 to 10 wt % of at least one manganese compound calculated as MnO2, from 30 to 150 ppm of at least one titanium compound calculated as TiO2, and from 0.1 to 10 wt % of at least one calcium compound calculated as CaO. The process for the preparation of the catalyst comprises the following steps: i) preparing a premixed catalyst mixture by mixing at least one iron compound, at least one potassium compound, at least one cerium compound, at least one manganese compound, at least one titanium compound, at least one calcium compound and, if necessary, additional metal compounds, if necessary additional components and, if necessary, at least one binder with a solvent; ii) forming the shaped catalyst articles from the pre-prepared catalyst mixture obtained in step i); iii) drying the shaped catalyst articles and calcining the shaped catalyst articles. A method for the catalytic dehydrogenation of a hydrocarbon wherein a mixture of steam and at least one hydrocarbon has a steam/hydrocarbon molar ratio in the range of 4 to 7 in the presence of a catalyst is claimed.EFFECT: long catalyst life and high yield in the dehydrogenation process with a low vapour-hydrocarbon ratio.9 cl, 3 dwg, 3 tbl, 9 ex
Catalyst for selective oxidation of hydrogen sulfur (versions) // 2629193
FIELD: chemistry.SUBSTANCE: catalyst further comprises silicates and/or aluminosilicates in an amount of 1.0-40.0 wt %, the catalyst contains phosphorus and/or boron compounds as the oxygen-containing non-metal compounds and has the following composition, expressed as oxide, wt %: Fe2O3 - 36.0-85.0, P2O5/B2O5 - 4.0-25.0, silicates and/or aluminosilicates - 1.0-40.0. The second catalyst version further comprises at least one compound of a metal selected from the group: cobalt, manganese, zinc, chromium, copper, nickel, titanium, molybdenum, tungsten, vanadium in an amount of 0.1-30.0 wt %.EFFECT: obtaining a catalyst which is characterized by an optimized texture, reduced bulk density, increased pore volume, and provides a high sulfur yield over a wide range of temperatures in multicomponent gas mixtures.24 cl, 5 tbl, 6 ex

eans with gastroprotective activity // 2629090
FIELD: pharmacology.SUBSTANCE: gastroprotective agent containing a complex of 4 flavonoids isolated from the aerial part of Lychnis chalcedonica L. The flavonoid complex is obtained by 5-fold extraction with 70% ethanol at a feedstock:extractant ratio of 1:22.5, purified from lipophilic substances with hexane, followed by selective extraction with n-butanol and purification of the precipitate from the aqueous phase with a solvent system of ethyl acetate: ethanol at a 3:1 ratio.EFFECT: product has a pronounced gastroprotective effect.2 dwg, 5 tbl, 2 ex

ethod and device for the degassing of liquid sulfur // 2629077
FIELD: chemistry.SUBSTANCE: way to implement in different, not completely isolated cells, each of which is filled with liquid sulfur first zone and gas filled second zone. Liquid sulfur is pumped from the first zone of each of the chambers in the second zone of this same chamber and sprayed in the area. In the first zone of the first camera insufflated with oxygen-containing gas to remove the H2S, and in the first zone chamber, located after the first chamber, insufflated with inert gas to remove SO2. The device contains a container (1), split by partition (4) into two not completely isolated one from another chambers (a, b) filled with liquid sulfur first zone (2) and gas filled second zone (3). The first blowing device (12) is located in the first zone (2) of chamber (b) for oxygen-containing gas injection into liquid sulfur, the second blowing device (31)-in the first zone (2) of chamber (c) after the camera (b) for injection of inert gas into a liquid sulfur. Incoming into the second zone (3) of chamber (b) of the first device (25') for spraying liquid sulfur connected with pump (21'), suction liquid sulfur from the first zone (2) of chamber (b). Incoming into the second zone (3) of chamber (c) second device (25") for spraying liquid sulfur connected with pump (21"), suction liquid sulfur from the first zone (2) of chamber (c).EFFECT: effective removal of gases contained in the liquid sulphur, low level of SO2 formation.7 cl, 4 dwg

Vibration mixer // 2629075
FIELD: machine engineering.SUBSTANCE: invention relates to devices for mixing multicomponent mixes and can be used primarily in chemical and construction industries, as well as in other areas of manufacturing industries where production of this type of mixes is needed. Vibration mixer comprises a mixing chamber with ports for loading and unloading of materials respectively, a rotor with rotary drive configured with blades. The lower and upper parts of the mixing chamber comprise two rigidly fixed vibrators: lower and upper one made in corrugated casings and generating vibrations by lower, central and upper crank mechanisms, and providing for the vibration field superimposition effect in the mixing chamber center from the lower and the upper vibrators respectively. Inside the metal corrugated casing of the lower vibrator configured for generating two vibration fields identical in amplitude and different in frequency with the help of the lower and the central crank mechanisms, a disc is set in the center in the horizontal plane and is rigidly fixed, the disc is made with cylindrical protrusion configured to be inserted and fastened along the inner diameter of a spring installed to be freely compressed and released in a cup, a connecting rod driven by the central crank mechanism is rigidly attached to the center of the cup's upper inner part, and a pusher is attached to the center of the cup's upper outer part, the pusher is rigidly coupled by its other end with the inner upper part of the metal corrugated casing of the lower vibrator and made fro generating vibrations from the upper part of the lower vibrator casing via the connecting rod by the central crank mechanism. The lower vibrator disc is configured for generating vibrations from central part of the lower vibrator casing with the help of four pushers which are symmetrically attached by their upper part to the lower part of the disc and are coupled by the lower part in a movable pivot unit of the connecting rod of the lower crank mechanism. A disc with a guide post is rigidly fixed inside the shell of the upper vibrator in the center in the horizontal plane, configured to provide stable directed translatory motion of a rod from a sliding pair formed by the guide post of the upper mixing chamber part, the guide post of the blade rotation drive and upper vibrator rod of the upper crank mechanism, and fitted with a cylindrical protrusion to be inserted and fastened along the inner diameter of a spring installed so that it can be freely compressed//released in a cup, a rod is rigidly attached to the inner part center, and a pusher is attached to the outer part center, the pusher is rigidly attached by its other end to the inner part of the smallest of the corrugations, the casing of the upper vibrator and configured with oscillation excitation from the smallest of the corrugations of the upper vibrator casing. There are four protrusions symmetrically secured on the outer cylindrical part of the cup. The casings of the vibrators are made in the form of metal corrugated shells which are corrugated thin-walled rotation bodies forming complex truncated geometric figures in the cross-section of the vertical plane along the corrugations upper points consisting of equal semicircles, which end intersection points form the vertices of the regular hexagon, and configured for creating three vibrational fields of equal amplitude and different frequency, two of which correspond as whole, and the third is saparate, in the form of corrugated contour of said rotation bodies with multidirectional oscillations. A spring vibration generator made as a spring set is installed in the center between the casings of the lower and the upper vibrators, the spring set consists of at least two springs of different diameter which are fixed along the diameters of recesses formed on the outer surface of the metal corrugated shells by the set of the smallest corrugations of the lower and upper vibrators.EFFECT: technical result consists in extending the range of technical means.4 dwg

Vibration mixer // 2629074
FIELD: machine engineering.SUBSTANCE: invention relates to devices for mixing multicomponent mixes and can be used primarily in chemical and construction industries, as well as in other areas of manufacturing industries where production of this type of mixes is required. Vibration mixer comprises a mixing chamber with ports for loading and unloading of materials respectively, a rotor with rotary drive configured with blades. The lower and upper parts of mixing chambers comprise two mounted vibrators: lower and upper one made in corrugated casings and generating vibrations by lower, central and upper crank mechanisms, and providing for the vibration field superimposition effect in the mixing chamber center from the lower and the upper vibrators respectively. Inside the metal corrugated casing of the lower vibrator configured for generating two vibration fields identical in amplitude and different in frequency with the help of the lower and the central crank mechanisms, a disc is set in the center in the horizontal plane and is rigidly fixed, the disc is made with cylindrical protrusion configured to be inserted and fastened along the inner diameter of a spring installed to be freely compressed and released in a cup, a connecting rod driven by the central crank mechanism is rigidly attached to the center of the cup's upper inner part, and a pusher is attached to the center of the cup's upper outer part, the pusher is rigidly coupled by its other end with the inner upper part of the metal corrugated casing of the lower vibrator and made fro generating vibrations from the upper part of the lower vibrator casing via the connecting rod by the central crank mechanism. The lower vibrator disc is configured for generating vibrations from central part of the lower vibrator casing with the help of four pushers which are symmetrically attached by their upper part to the lower part of the disc and are coupled by the lower part in a movable pivot unit of the connecting rod of the lower crank mechanism. A disc with a guide post is rigidly fixed inside the shell of the upper vibrator in the center in the horizontal plane, configured to provide stable directed translatory motion of a rod from a sliding pair formed by the guide post of the upper mixing chamber part, the guide post of the blade rotation drive and upper vibrator rod of the upper crank mechanism, and fitted with a cylindrical protrusion to be inserted and fastened along the inner diameter of a spring installed so that it can be freely compressed/released in a cup, a rod is rigidly attached to the inner part center, and a pusher is attached to the outer part center, the pusher is rigidly attached by its other end to the inner part of the smallest of the corrugations, the casing of the upper vibrator and configured with oscillation excitation from the smallest of the corrugations of the upper vibrator casing. There are four protrusions symmetrically secured on the outer cylindrical part of the cup. The casings of the vibrators are made in the form of metal corrugated shells which are corrugated thin-walled rotation bodies forming complex truncated geometric figures in the cross-section of the vertical plane along the corrugations upper points consisting of equal semicircles, which end intersection points form the vertices of the regular heptagon, and configured for creating three vibrational fields of equal amplitude and different frequency, two of which correspond as whole, and the third is saparate, in the form of corrugated contour of said rotation bodies with multidirectional oscillations. A spring vibration generator made as a spring set is installed in the center between the casings of the lower and the upper vibrators, the spring set consists of at least two springs of different diameter which are fixed along the diameters of recesses formed on the outer surface of the metal corrugated shells by the set of the smallest corrugations of the lower and upper vibrators.EFFECT: expanded range of operating means.4 dwg

Gas filter // 2629070
FIELD: technological processes.SUBSTANCE: gas filter has a perforated housing. An inlet flange is hermetically attached to the top of the housing, having toroidal annular projections, inlet openings and a pin. An inlet tube plate is hermetically attached to the inlet flange, in the openings of which the upper ends of the tubular filter elements made of porous metal ceramics are hermetically fixed. On the other side of the filter housing an outlet tubular plate is fixed, in which the ends of the filter elements, each having a cap with a lug , are placed with a clearance. Additional openings are made in the outlet tubular plate for the cleaned gas exit.EFFECT: creation of a filter of a design allowing to increase the service life, including the filter regenerability and reliability.5 cl, 3 dwg

ethod of producing ammonium nitrate granules by spraying its melt // 2629055
FIELD: chemistry.SUBSTANCE: in the method of producing ammonium nitrate granules by spraying its melt in a granulation tower, a closed circulation path of the cooling air upward flow contaminated with pulverized particles of ammonium nitrate is used. The flow leaving the tower heated is cooled in the air cooler without reducing the mass concentration of the pulverized particles of ammonium nitrate therein. The autonomous vapour-air stream coming from the pre-vapour device is first cooled in a cooler-dehumidifier and at the same time the mass concentration of the water vapour contained therein is reduced by condensing it, and then it is mixed with the ascending stream. From the resulting mixed stream, the measuring part is separated to compensate for the replenishment of the closed circulation circuit. The part of the stream remaining after separation is introduced into the lower zone of the tower cavity, where it is mixed with the sucked up atmospheric air. The measuring part of the cooling air, separated from the stream, is sent to the scrubber to trap the dust-like particles of ammonium nitrate and subsequent release into the atmosphere.EFFECT: ensuring reduced environmental hazard.1 dwg,1 tbl, 1 ex
Device for ultrasonic treatment of liquids and / or suspensions // 2629053
FIELD: food industry.SUBSTANCE: device for ultrasonic fluid treatment and/ or suspensions is proposed, comprising a housing made in the form of a cone funnel with smooth walls, in the upper part of which tangentially at a tangent to the circumference of the upper section an inlet branch pipe is built; in the lower part, the housing turns into a cylinder. On the cylinder surface, holes are arranged, and the cylinder butt is equipped with a threaded projection on which a cylindrical head made in the form of a cap is screwed. Wherein the cap skirt is made in such a way that when the cap is screwed onto the threaded projection of the cylinder, the amount of closing and/or opening the holes on the cylindrical part of the cone is adjusted.EFFECT: device ensures the impact on a liquid and/or a suspension for the intensification of physicochemical transformations and increasing the efficiency of technological processes, such as the emulsification and/or dispersion of fatty or solid particles.1 dwg

ethod of reducing the opacity of the visible allotted train from the leeward // 2628943
FIELD: chemistry.SUBSTANCE: method of reducing aerosol emissions from a urea granulation plant with the separation of the scrubbed liquids obtained includes: urea production with a granulator from a concentrated urea solution and evaporation of the water content to produce urea granules and waste gases including dust, ammonia and ammonium cyanate; and a subsequent step of cleaning or removing dust; and a subsequent acid purification step leading to the formation of a first stream containing mainly aerosols and a second stream containing ammonium salts; and a subsequent aerosol stage comprising spraying and collecting devices that release the first exhaust gas stream comprising air and a second stream of ammonium cyanate and water; and separation of a second stream of ammonium cyanate and water from the aerosol stage into a urea granulation plant or a urea fertiliser plant. Device for the production of urea granules.EFFECT: inventions allow to catch by-products, ammonium cyanate, ammonia and water, isolate ammonium salts.7 cl, 2 dwg, 2 tbl

Dispenser for oral care // 2628860
FIELD: human vital needs satisfaction.SUBSTANCE: in respect of the aspect, the device can represent a dispenser (400) that comprises a case (410) with the first reservoir chamber (430) which has the first material (431) for the oral care and the second reservoir chamber (440) that comprises the second differentiating material (441) for the oral care; a bending chamber (450) located in the case; a blending screw (470) located in the bending chamber and having a driving gear (471) for the blending screw swiveling; the first supply vent (434) for the first material for the oral care inputting in the bending chamber and the second supply vent (444) for the second material for the oral care inputting in the bending chamber; a dispensing tip (460) for the first and second oral care materials blend delivery. The blending screw swiveling suck the first and the second materials for the oral care in the bending chamber and expulse the first and the second materials for the oral care blend through the tip.EFFECT: device functional reliability increase.18 cl, 10 dwg

Cryogenic liquid filter // 2628787
FIELD: machine engineering.SUBSTANCE: cryogenic liquid filter contains a cylindrical housing with a filtering element, made in the form of a volume cone, which vertex is directed towards the flow of the filtered liquid, and the base is fixed to the housing. The filtering element is made in the form of several coaxially arranged volume conical sections (not less than two) and connected by an electric welding through the support rings. The volume conical sections are made of perforated conical pylons with a cone angle at the vertex equal to α=16÷20°, strapped along the height by the ring shells, and the vertices of the conical sections are closed by conical rings. Two meshes with different penetrating power are installed on the volume conical sections, which are attached to the conical pylons, support rings, ring shells and to the conical ring by means of spot welding. The first layer of the mesh is a strong wire mesh with cell of 2×2 mm, made of stainless wire 0.4-0.5 mm, and the second layer of a filtering mesh with a cell of 75-80 mcm made of stainless wire with a diameter of 50-60 mcm. The mentioned meshes are attached to the volume sections by means of spot welding, which is carried out through a metal tape with a thickness of 0.35 mm. Perforations in the conical pylons are made in the form of round holes and in the form of a trapezoid. The conical pylons within the volume sections form flow cavities, which are interconnected through the perforations.EFFECT: increased filter service life, increased reliability.6 cl, 4 dwg

Packed scrubber // 2628780
FIELD: machine engineering.SUBSTANCE: packed scrubber contains a body with branch pipes for dusty and cleaned gas, support grids, a fitting and a device for sludge removal. An irrigation device is made in the nozzle form containing a hollow body with a nozzle and a central core. The body has a fluid feed channel and includes a coaxial bushing rigidly coupled therewith and provided with a nozzle secured to its lower part and configured as a two-stage cylindrical bushing. The upper cylindrical stage of the bushing is connected by means of a threaded connection to a coaxially aligned central core having a central opening and installed with an annular gap with respect to the inner surface of the cylindrical bushing, the annular gap being connected to at least three radial openings formed in the two-stage bushing connecting it to an annular cavity formed by the bushing inner surface and an outer surface of the upper cylindrical stage, in this case the annular cavity is connected to the body channel to supply liquid, a sprayer is rigidly fixed to the central core in its lower portion and formed as a truncated cone coaxial to the central opening of the core and attached with its upper base to the central core cylinder base , and a splitter is attached to the lower base of the truncated cone by means of at least three spokes and made in the form of an end circular plate. The edges of the plate are bent towards the annular gap, and screw grooves are provided on the outer lateral surface of the truncated cone. A throttle opening is made in the divider axisymmetric to the central hole of the central core, while an external diffuser is coaxially attached to the bushing rigidly connected to the body in its lower part, and an inner perforated diffuser coaxily attached the lower base of the sprayer truncated cone.EFFECT: higher efficiency of the dust collection process.6 dwg

Element of scrubber packed bed // 2628779
FIELD: machine engineering.SUBSTANCE: scrubber packed bed element containing a body with connection pipes for dusty and cleaned gas, an irrigation device, support grids between which the packed bed is located, and a sludge removal device, the packed bed is made in the form of cylindrical ring, to the side surface of which two hemispherical surfaces are fixed in such a way that the diametral planes of the hemispheres coincide respectively with the upper and lower bases of the cylindrical ring, and the vertices of the hemispherical surfaces are on the ring axis and directed towards each other. The perforation is performed both on the lateral surface and on hemispherical surfaces, and the space between the side inner surface of the perforated cylindrical ring and two perforated hemispherical surfaces attached to its side surface is filled with additional inert elements, for example, such as balls which diameters are larger than the diameter of the ring perforation and hemispherical surfaces characterized in that the packed bed is made in the form of a cylindrical ring, on which side and inner surfaces there are partitions in the form of washers with openings perpendicular to the ring axis which axes are assymetrical to ring axis, or the packed bed is formed as a block fitted into a circle and consisting of seven interrelated side faces of hexagonal boxes without upper and lower bases.EFFECT: improving the efficiency and reliability of the dust collection process, reducing the metal-intensity and vibroacoustic activity of the device as a whole.5 dwg

"vortex" centrifuge for separation of inhomogeneous media, suspensions and emulsions // 2628777
FIELD: machine engineering.SUBSTANCE: centrifuge for separating liquid inhomogeneous media refers to process equipment intended for separating liquid inhomogeneous media in various industries into constituent fractions in the centrifugal force field. The centrifuge for separating liquid inhomogeneous media comprises a filter device mounted on the body-bottom base, consisting of a shell, an upper cover, and two shafts: a drive shaft and a supporting hollow shaft with radial openings and packs of removable membrane filter elements (PRMFE) and sets of turbolators. The PRMFE are secured through a spacer seal on the support shaft secured to the body-bottom. The set of turbulators through the regulating segments is mounted between the upper drive and lower support turbolators, and the upper drive turbolator is connected to a drive shaft concentrically coupled to the stationary support shaft. Rotation of the set of turbolators is provided through a pulley mounted on the shaft from an instrument electric motor mounted on a frame, and secure vertically through a belt gear. At that, the rotation occurs from 200 to 800 and from 800 to 2000 rpm. In addition, there is an opening for drilled in stationary shaft bottom for draining clean filtrate through a flange with a branch pipe. There are pipe connections for gauges, safety valves and an input connection pipe of initial mixture mounted on the upper cover. A concentrate collector is fixed to the body-bottom base on the peripheral part and a throttle valve is installed on a discharge pipe for pressure stabilisation. Body air-tightness is provided by installation of gaskets to weld joints, and the drive shaft output assembly is sealed with sleeve gaskets or end seals.EFFECT: increase service life of the centrifuge, increase filtration performance, reduce metal consumption and energy intensity.2 cl, 1 dwg

Device for the air removing from the water-air jet, incoming while the water withdrawal at the amphibious aircraft gliding // 2628632
FIELD: aviation.SUBSTANCE: device for removing the air from the water-air mixture, incoming while the water withdrawal at the amphibious aircraft gliding, contains the inlet pipeline, supplying the water-air jet, the device body with the helical screw located therein and the air discharge pipeline, the outlet pipeline, supplying the liquid to the aircraft tanks. In this case, the front part of the body device is made in the form of the truncated cone, on the inner surface of which the screw ribs of variable height and pitch are rigidly fixed. The diffuser grid is installed in the outlet pipeline. At that the air discharge pipeline from the device is exposed to the nozzle cut-off of the amphibious aircraft jet engine.EFFECT: maximum filling of the floated aircraft tanks with water by increasing the efficiency of the air-water jet deaeration, the simplicity of the device design.5 dwg
ethod of crystalline diamond particles obtaining // 2628617
FIELD: nanotechnology.SUBSTANCE: method of crystalline diamond particles obtaining includes adding of cycloalkane (cyclic saturated hydrocarbon) or polybasic alcohol in an amount of 5-85 wt % the weight of detonation nanodiamonds to the nanodiamonds powder obtained by detonation synthesis, aging of the resulting composition at a static pressure of 5-8 GPa and a temperature of 1000-1800°C for 5-120 seconds and separating the resulting particles from graphite by sedimentation in the liquid.EFFECT: invention allows to directly obtain crystalline diamond particles of the size needed for finishing and biomarkers in the range of 50-500 nm, thereby eliminating the need for additional grinding.4 cl, 1 dwg, 25 ex
ethod of producing drinking water in field and extreme conditions // 2628615
FIELD: chemistry.SUBSTANCE: as a driving force, providing push of the cleaned water through filter element, the pressure is used generated inside the cleaned water filled shell, reduced either directly filed it gas, such as propane, stored in a liquefied state or in an enclosed compartment filter.EFFECT: invention makes it possible to intensify the process of obtaining potable water in marching and extreme conditions while at the same time excluding physical efforts in obtaining it.1 ex
ethod for obtaining aromatic or fatty-aromatic ketones (variants) // 2628612
FIELD: chemistry.SUBSTANCE: invention relates to processes of preparing aromatic or fatty-aromatic ketones by reaction of aromatic chlorides or bromides or iodides with an aliphatic or aromatic nitriles, including intramolecular reactions containing nitrile group of aromatic chlorides, bromides or iodides, initially resulting compound with bond C=N undergoes subsequent hydrolysis to form the desired product. In particular, a process of preparing aromatic or aliphatic-aromatic ketones of the general formula R1C(O)R2, where R1 - aryl or hetaryl, and R2 - aryl or hetaryl or alkyl comprises reacting aromatic halide R1X, wherein R1 - aryl or hetaryl, and X=Cl, Br, I with nitriles R2CN, where R2 - aryl or hetaryl, or alkyl, which is carried out in the presence of a catalyst comprising nickel atom coordinated with a chelate ligand containing 1,4-diazabutadiene fragment (N=C-C=N), and a reducing agent in an ether solvent at molar ratios: R1X:R2CN, located within the range of from 2:1 to 1:20, Ni:(chelating ligand) is located within the range of from 1:1 to 1:2, Ni:R1X, is located in the range of from 1:200 to 1:2, the reducing agent: R1X, is located in the range of from 1:2 to 10:1, and the volume of the solvent with respect to the amount of the halide R1X is in the range of 0.5 to 20 ml/mmol, at a reaction temperature of 0-120°C, and the subsequent hydrolysis of the initially formed compound with the connection of C=N.EFFECT: expansion of the arsenal of tools, the use of compounds as starting aryl bromides and aryl chlorides, cheaper and more readily available; use of at least twice lower catalyst loads; possibility of carrying out the reaction at a lower temperature; the possibility of carrying out the reaction in a shorter time.18 cl, 40 ex

ethod for heavy oil feedstock processing // 2628611
FIELD: oil and gas industry.SUBSTANCE: method for cavitation extraction recovery of valuable metals from heavy oil feedstock involves mixing initial feed oil with water and kerosene. The resulting mixture is processed ultrasonically at frequency ranging from 22 to 44 kHz for 5 to 10 minutes. Then, the light fraction is sent for processing, and heavy fraction is mixed with water and chemical extractant. The resulting suspension is processed ultrasonically at frequency ranging from 22 to 44 kHz for 10 to 20 minutes. Heavy fraction is transported to cavitation treatment, where asphaltene fraction associated with the metals is released. The resulting asphaltene fraction is fed to enrichment processing for recovery of metals using traditional enrichment and metallurgical technologies. The light fraction after cavitation treatment contains metalloporphyrins and combines with light fraction after ultrasonic treatment and is sent to the pharmaceutical industry.EFFECT: increasing yield of light fractions and increasing depth of heavy oil feedstock processing by means of extracting valuable metals.2 tbl, 1 dwg
ethod of obtaining aldehydees by hydroformation with modification of ligands by acetalization // 2628609
FIELD: chemistry.SUBSTANCE: method comprises the following steps: - autoclaving ethanol (A), rhodium dicarbonyl rhodium (acac) acetylacetonate (CO)2 (B), with a B:A ratio of 1:6000 to 1:10000 in weight fractions, a ligand containing an aromatic phosphine residue and at least two hydroxyl groups (C) at a B:B ratio of 1:1 to 5:1 in mole fractions, a linear olefin of the C4-C20, (D) at a ratio of "D:B" from 500:1 to 5000:1 in mole fractions and cation exchanger in acid form (D), taken in 10-20-fold excess relative to the ligand (B); - autoclaving of synthesis gas pressure (CO/H2=1:1) 0.1-10 MPa, heating the mixture to 30-120°C, the synthesis being carried out with stirring with a magnetic stirrer at 500-1000 rpm for 3-10 hours to form an aldehyde and a rhodium catalytic complex with a bulky ligand; - separating the cation exchanger by filtration and separating the rhodium catalytic complex with the bulky ligand by membrane nanofiltration from a mixture of aldehyde with a solvent, followed by evaporation of the solvent. Also, the invention relates to a process of separating rhodium complex of a ligand (C) of the rhodium complex catalyst a bulky ligand obtained in the hydroformylation process, consisting in expansion volume ligand mineral acids in the weight ratio acid: ligand = 1:19.EFFECT: bulk ligand in the hydroformylation process allows for efficient separation of the catalyst complex from the product - aldehyde.5 cl, 3 ex

ethod and device for air purification management // 2628557
FIELD: ventilation.SUBSTANCE: with air purification, target quality of the purified air is obtained. The current quality of the air being purified is determined. The rate of production for an air purifier is defined in accordance with the target and current quality. The purification duration, necessary for the rate of air purifier production is calculated in accordance with the efficiency of purification. The cleaner is activated and the remaining time is displayed in real time according to the duration of purification. Control devices for air purification are also proposed.EFFECT: improved air purification.13 cl, 7 dwg, 2 tbl
Process of producing 2,3-dimethoxy-5-methyl-1,4-benzoquinone // 2628457
FIELD: chemistry.SUBSTANCE: invention relates to the method of producing 2,3-dimethoxy-5-methyl-1,4-benzoquinone, a key intermediate in the synthesis of ubiquinones (coenzymes of the Qn series), in particular of coenzyme Q10, widely used in medical practice and cosmetology, as well as its synthetic analogue - idebenone - a drug for the treatment of Alzheimer's disease. The method consists in oxidizing 3,4,5-trimethoxytoluene with hydrogen peroxide in an organic solvent medium. Herewith the acid tetrabutylammonium salts of the vanadium-containing polyoxo-tungstate (C4H9)4N)5-nHn[γ-PV2W10O40], where the number of protons n in the cationic part of the polyox-tungstate varies from 1 to 2, as co-catalyst, HClO4 with respect to the catalyst, 0.5-1 equivalents, as the organic solvent, preferably acetonitrile is used, the process is carried out at the temperature of, at least, 30°C, at the molar ratio of 3,4,5-trimethoxytoluene: the catalyst is not lower than 40 and the concentration of 3,4,5-trimethoxytoluene is not higher than 0.4M, an aqueous solution of hydrogen peroxide with a peroxide content of, at least, 30 wt %, the process is carried out at the molar ratio of hydrogen peroxide: 3,4,5-trimethoxyphenol not less than 2.EFFECT: desired product in high yield without the formation of a large amount of by-products.2 cl, 1 tbl, 23 ex
Sorbent for cleaning water environments from ions of arsenic and method of its production // 2628396
FIELD: chemistry.SUBSTANCE: sorbent for clearing of water environments from an arsenic is offered. The sorbent contains 98-99 wt % of iron nanoparticles and starch. To produce the sorbent, ferric sulphate and starch are dissolved in water to form a complex of iron ions with starch, nitrogen is passed through the solution, the iron-containing complex is reduced by borohydride to obtain iron nanoparticles. Further, centrifugation, washing of the precipitate with ethanol and drying are carried out.EFFECT: sorbent possesses high adsorption activity in relation to arsenic ions.2 cl

Dust trap fan // 2628394
FIELD: machine engineering.SUBSTANCE: dust trap fan includes a body with inlet and outlet nozzles, respectively, for gas supply and discharge, divided by transverse annular partitions into at least two annular chambers. In the annular chambers on the common rotation axis, there are the blade wheels containing the front annular and rear solid discs arranged in series. The front circular wheels of the blade wheels are located in the central holes of the transverse annular partitions. Each transverse annular partition is made convex towards the gas flow, mating near the central opening tangentially to the inner surface of the corresponding front annular disc. In this case, the mating surfaces of the transverse annular partition and the front annular disc of the blade wheel contain seals of contactless type or contact type.EFFECT: increase the edust trap fficiency in combination with lower energy costs for transportation of cleaned gases.8 cl, 6 dwg

Rotor-plate adsorption unit // 2628393
FIELD: machine engineering.SUBSTANCE: adsorption unit consists of an electric drive 1, a reducer 2, a rotor-plate adsorption module 3. The rotor-plate adsorption module consists of the following structural elements: a stator 4, the internal curvilinear profile of which is formed by two circles with a smaller and larger radius, the transition between which is effected through the curvilinear matching surfaces, in which there is an inlet with a filter element 5 for the gas mixture to be separated and an exhaust outlet equipped with a silencer 6 and a filter 7 for gas removal during regeneration; a rotary rotor 8 of cylindrical shape with radial grooves, on the outer surface of which there are cavities filled with adsorbent 9 repeating the shape of the rotor outer surface, from each cavity to the center of the rotor, from each cavity to the rotor center the channel runs radially connected to one of the rotor end surfaces; freely moving sealing plates 10 installed in the rotor grooves; two end caps, one of which is made as the lid of the receiver and has two holes, one hole serves for the installation of the unidirectional adjustable valve 11 and feeding the oxygen-enriched air, the second hole serves for the installation of the inductor 12 and provides gas throttling during the regeneration in the working volume rotary vane module; a receiver 13; an adjusting device of the flow grocery gas to the consumer 14.EFFECT: simplifying the unit, reducing the mass and overall characteristics, increasing the specific productivity and reliability of the adsorption unit.9 dwg
Granular filter material // 2628391
FIELD: chemistry.SUBSTANCE: grounded diatomite particles are mixed with bonding additives and sent to the layer-by-layer granulating in the disk granulator or the fluidised bed granulator up to the spherical isotropic granules production. The resulting granules are dried and then calcined. Ready-made diatomite granules have the porous structure, formed from the spherical-shaped layers, the rough surface of which has the abrasive properties. The granules size is in the range from 0.3 to 6.0 mm. The size of the roughness protuberances on the surface of the granules is in the range from 1.0 to 150.0 mcm. The granule strength of uniaxial compression is not less than 5.0/dg MPa, where dg- diameter of the granule, mm. The strength of the granules is enhanced by vitrification during the calcination process. With this purpose 0.1 to 10.0% of glass forming oxides of alkali and/or alkaline-earth metals are added to the granules content.EFFECT: finished product quality improvement.5 cl, 1 ex

Rotary device // 2628387
FIELD: machine engineering.SUBSTANCE: rotary device includes an electric motor 1 and a mixing chamber 2 provided with a supply pipe 3 and a discharge pipe 4 and coaxially arranged discs of a rotor 5 and a stator 6 with elements for generating the cavitation process in the liquid product being processed which fills the mixing chamber 2. The elements for generating the cavitation process are placed on the working surfaces of the mentioned discs opposite to each other in alternating concentric circles. Each element for generating the cavitation process is made in the form of the de Laval nozzle or an attachment similar to the de Laval nozzle, tangentially mounted on the working surfaces of the rotor disc 5 at a distance (Ai) and the stator disk 6 at a distance (A'i) from the axis of the corresponding disk, wherein the values (Ai) and (A'i) are determined by the following dependencies: 0,1D1≤Ai<0,55 D1, 0,1D2≤A'i<0,45 D2, where Ai is the distance from the disk axis to the i-th de Laval nozzle or the attachment similar to the Laval nozzle, mounted on the working surface of the rotor disk 5, mm; A'i is the distance from the disk axis to the i-th de Laval nozzle or the attachment similar to the Laval nozzle, mounted on the working surface of the stator disk 6, mm; D1 is the diameter of the working surface of the rotor disk 5, mm; D2 is the diameter of the working surface of the stator disk 6, mm.EFFECT: ensuring a high degree of dispersion and decontamination of the liquid product supplied to the rotary device by increasing the efficiency of the cavitation effect on the liquid product.2 cl, 7 dwg

Device for creating and cleaning air flow from impurities // 2628384
FIELD: machine engineering.SUBSTANCE: device for creating and cleaning an air flow from impurities contains a settling chamber with inlet and outlet nozzles, a counterflow louvered dust collector with an outlet nozzle, a removal device and a separation wall, a cross flow fan located between the settling chamber and the dust remover and having a blade wheel, a curvilinear and rectilinear parts of the housing. The designed louvered rectilinear part of the housing with the separation wall of the fan forms its outlet channel, the inlet window of the fan is located in the outlet nozzle of the settling chamber, the separation wall is part of the wall separating the settling chamber from the dust collector, and the outlet channel of the fan is connected with a discharge countercurrent louvered nozzle. The rectilinear louvered part of the fan housing with respect to its curvilinear part is turned towards the settling chamber, the discharge louvered countercurrent nozzle has a convergent shape, its outer wall is made louvered, parallel to the rectilinear part of the fan housing and is displaced relative to the settling chamber, and the separation partition of the dust collector chamber is made louvered.EFFECT: increased cleanliness of the air flow and reduced energy spent on cleaning the air from impurities.2 cl, 1 dwg

ethod for nonchemical cleaning of saponite-containing water and compaction of saponite-containing sediment // 2628383
FIELD: chemistry.SUBSTANCE: in order to carry out the method, the contaminated saponite-containing water from the source of its formation (1) through a pulp pump station (3) and pulp line (4) is discharged to the offshore part (I) of the tailing dump (9) along the entire inner perimeter. A number of floating acoustic modules with emitters (14) are installed in the peripheral part (II) of the tailing dump (9) adjacent on the inner part to the k (I) and hydroacoustic signals of the sound and ultrasonic frequency range are generated and emitted, and continuous emission of signals of low sound frequency range is generated. The hydroacoustic signals of the sound and ultrasonic frequency ranges are formed with an acoustic pressure amplitude of at least 102 Pa at a distance of 1m from the hydroacoustic radiator, they impact on saponite-containing water for degassing, hydroacoustic coagulation of saponite-containing slime particles, and compaction of the saponite-containing sediment. The formation, amplification and emission of continuous hydroacoustic signals of a low sound frequency range are carried out in the frequency range from tens of Hz to units of kHz, with an acoustic pressure amplitude of at least 103 Pa at a distance of 1m from the hydroacoustic radiator and impact on the saponite-containing sediment. During the freeze-up period, an acoustically compacted saponite-containing sediment is raised to the ice surface and laid on the ice in the non-working offshore part of the tailing dump. In the summer period, the saponite-containing sediment is thawed with separation into a finally compacted saponite-containing sediment and clarified saponite-containing water with its subsequent use in the technological process.EFFECT: method provides a quick and qualitative separation of the saponite-containing tails of the concentrating plant into two phases, the compaction of the obtained saponite-containing sediment and the body of the waterproof dam, the clarification of large volumes of saponite-containing water, and the increased environmental safety of the tailing dump operation.8 dwg, 1 ex

Complex for industrial discharges and sewage water treatment // 2628376
FIELD: chemistry.SUBSTANCE: complex includes a housing with a capacity of (1), a transport-dewatering unit (5), three-type modular water purification devices (2, 3, 4), water supply (19) and discharge (10) devices. The capacity (1) of a triangular or trapezoidal section has an angle of sides inclination of 43-48° and is docked with the hulls of transport-dewatering units - horizontal (7) and inclined (8). Inside the case, modular water purification devices (2, 3, 4) of the same type are installed in pairs, separated by transverse partitions (6). The receiving section (9) is separated from modular "blinds" (2) devices by a partition (6) from the top to 2/3 of module height. Modular devices of thin-layer clarifiers (3) and modular devices for electrical water treatment (4) are separated by transverse partitions (6) from the bottom to 2/3 of modules height. The water discharge device (10) is separated from modular electrical processing devices (4) by a transverse partition (6) from the top. The transport devices (7) and (8) are pipes with slots in the sludge outlet vessel (1) and are docked at an angle of 8-13° with the screws (11) placed inside. The slot (14) of the transport-dewatering unit (5) is cut in the pipes from the partition separating the modular water treatment device (4) to the point of tank filling with water on an inclined pipe that has a tie sieve (15) on the upper end and a pan (16) with a discharge pipe (17) to discharge the sub-product into the container (1). The slot (14) is covered by a grid (18) made of plates installed at an angle of 45°. The water supply device has a flat bell (20), the water discharge device (10) has a pipe diameter that ensures flow rate of not more than 0.1 m/s in the complex.EFFECT: complex provides reliability, design simplification and reduction of equipment dimensions.1 dwg

Device for exhaust gases control // 2628256
FIELD: machine engineering.SUBSTANCE: device for ICE exhaust gases control comprises an urea addition valve (40) configured to add an aqueous urea solution to the exhaust gases discharged from the combustion chamber (17) into the exhaust passage (19). Units (41, 42) for selective catalytic neutralisation of reduction type are configured to reduce nitric oxide in the exhaust gases by selective catalytic neutralisation, in which ammonia produced from an aqueous urea solution is used as a reducing agent. An ammonia slip catalytic converter unit (43) contains an oxidation catalyst. In this case, the unit (43) is located downstream of the selective catalytic neutralisation units (41, 42) and is configured to oxidise the ammonia flowing out of the units (41, 42). The fuel additive unit is configured to add non-combustible fuel to the exhaust gas burned in the combustion chamber (17). The electronic control unit (56) is configured to control the fuel addition unit during the addition increase process when the volume of nitrogen oxide flowing out of the units (41, 42) is not restored in the required volume relative to the volume of nitrogen oxide entering the units (41, 42). Also, when the temperature of the catalyst bed in the unit (43) is in the temperature range where the nitrogen oxide in the exhaust gases can be reduced in the unit (43) by selective catalytic neutralisation, in which the hydrocarbon is used as a reducing agent so that the hydrocarbon volume in the exhaust gases, entering the unit (43), increases.EFFECT: prevention of nitrogen oxide emissions into the atmosphere.12 cl, 7 dwg
Composition of polyisocyanate trimerization catalyst // 2628084
FIELD: chemistry.SUBSTANCE: trimerization catalyst composition is proposed comprising a trimerization catalyst compound selected from one or more organic metal salts, preferably alkali or alkaline earth metal salts, and one or more compounds selected from compounds that contain a carboxamide group of the structure -CO-NH2, and/or from compounds that contain a group of the structure -CO-NH-CO-. A stable composition of polyisocyanates containing a catalyst composition and a process for preparing a polyisocyanate composition are also provided.EFFECT: inventive trimerization catalyst composition is stable, when stored at a temperature of 20 degrees and ambient pressure for several months, and when added to the composition, the polyisocyanates make it possible to prepare a liquid stable composition of polyisocyanates.20 cl, 2 tbl, 20 ex
Preparing catalysts based on borzeolites // 2628080
FIELD: chemistry.SUBSTANCE: method is proposed for preparing catalysts based on boron-containing silicates of a zeolite structure having a boron content of less than 1 wt %, comprising preparing an aqueous slurry containing, at least, one boron-containing silicate with a MFI type zeolite structure having a SiO2/B2O3 from 2 to 4 and an aluminium content of less than 1 wt %; additing acid to establish a pH of 1-5; stirring the slurry; isolating the resulting solid, its optional washing and calcinating at a temperature not higher than 350°C. A catalyst is proposed, prepared by the inventive process.EFFECT: proposed catalysts provide a high level of selectivity to isobutene during the cleavage of methyl-tertio-butyl ether and provide a reduced formation of by-products.15 cl, 2 ex

ethod of obtaining hydrocarbons with loading the catalyst in continuous regime // 2628079
FIELD: chemistry.SUBSTANCE: invention relates to a process of production of hydrocarbons in a continuous mode starting from a synthesis gas in the presence of a catalyst, comprising a synthesis step in which the synthesis gas is reacted with a catalyst in a Fischer-Tropsch synthesis reactor (4). The process is characterized in that, simultaneously with the synthesis step, the following successive steps are carried out: a) charging the catalyst precursor containing cobalt oxide to a recovery reactor (2) for this purpose; b) reducing, in the reduction reactor, the catalyst precursor charged in step a) by contacting a reducing gas containing hydrogen (H2) And/or carbon monoxide (CO); c) feeding the catalyst reduced in step b) to the synthesis reactor (4). The introduction of the reduced catalyst into the synthesis reactor (4) is carried out via a feed line (9) of the reduced catalyst, connecting the reduction reactor (2) to the synthesis reactor (4).EFFECT: use of the present invention makes it possible to reduce the frequency of reactor shutdowns and quickly go into operation after a stop, and to exclude the stage of protection of the freshly reduced catalyst.15 cl, 2 ex, 4 tbl, 1 dwg

Obtaining the catalyzer of oligomerization of olefines // 2628078
FIELD: chemistry.SUBSTANCE: catalytic system comprises: a) a composition comprising C3-C25-chromium (III) carboxylate, b) a pyrrole compound; and c) a hydrocarbyl-metal compound. In this case, component (a): i) is characterized by an infrared spectrum taken with KBr plates, with an absorption peak of infrared radiation υasym (CO2) within 110 cm-1 from infrared peak υsym (CO2) and the ratio of the heights of the absorption peaks of infrared radiation for the absorption peak of infrared radiation υasym (CO2) at 1516+15 cm-1 and an absorption peak of infrared radiation located at 700±50 cm-1, greater than or equal to 3:1, or ii) is characterized by an acceptance test value, R2, equal to at least 0.6, to compare the data points of the high-energy X-ray analysis g(r) of the composition containing C3-C25-chromium(III) carboxylate, with the calculated points of the high-energy x-ray diffraction data g (r) for the theoretical model of single-core chromium(III) acetate in the range r from 1.3 to 4 angstroms, or iii) obtained by contacting essentially anhydrous and substantially acid-free conditions 1) a precursor of chromium(III) having the formula CrX3Lℓ, wherein each X is independently a halide, each L is independently a C2-C10 ether, a C2-C10 thioether, a C2-C5 nitrile, a C1-C30 amine or a C3-C30 phosphine or any combination thereof and ℓ nap Is in the range from 0 to 7, 2) C3-C25 carboxylate of the metal of group 1 or 2 groups and 3) of the first solvent.EFFECT: increase in productivity or decrease in the cost of the catalytic system during the polymerization of olefins.53 cl, 23 dwg, 12 tbl, 11 ex

Catalytic cracking catalyst containing ree-containing zeolite, and how to obtain it // 2628071
FIELD: chemistry.SUBSTANCE: invention relates to catalytic cracking catalyst that contains zeolite containing rare earth element, and to the way it was received, and catalytic cracking catalyst contains the active ingredient of cracking, optional mesoporous aluminosilicate material, clay and resin, which specified the active component cracking contains, consists essentially of or consists of REE-containing Y-zeolite, optional other Y-zeolite MFI-and optional structured zeolite with the specified REE-containing Y-zeolite has a content of rare earth element in calculating the 10-25 wt % of Rare-earth element oxide, for example, 11-23 wt %, cell size 2.440-2.472 nm 2.450-2.470 nm, for example, 35-65% crystallinity, e.g. 40-60%, Si/Al atomic ratio in the framework is 2.5-5.0 and the product of the ratio of the intensity I1 of the peak at 2θ=1.8±0.1° to the intensity of the I2 peak at 2θ=12.3±0.1° (I1/I2) on the roentgenogram of the zeolite and the mass percentage of the rare earth element in terms of the oxide of the earth element in the zeolite is greater than 48, for example, more than 55. Method of obtaining the above catalytic cracking catalyst includes: obtaining a suspension containing the active ingredient of cracking, optional mesoporous aluminosilicate material, clay and resin; and drying spray received suspensions where the active component cracking contains, consists essentially of or consists of REE-containing Y-zeolite, optional other Y-zeolite and optional structured zeolite MFI-where the REE-containing Y-zeolite has a content of rare earth element in the calculation of oxide of rare-earth element 10-25 wt %, for example 11-23 wt %, the cell size 2.440-2.472 nm 2.450-2.470 nm for example, 35-65% crystallinity, e.g. 40-60%, Si/Al atomic ratio in the framework is 2.5-5.0 and the product of the ratio of the intensity I1 of the peak at 2θ=11.8±0.1 to the intensity of the I2 peak at 2θ=12.3±0.1° on the x-ray diffraction pattern of the zeolite and the mass percentage of the rare-earth element in calculation of the oxide of the rare-earth element in the zeolite is greater than 48, for example, more than 55.EFFECT: getting REE-containing Y-zeolite, which has special physico-chemical characteristics, better use of rare earth element and stability structure of zeolite.24 cl, 80 ex, 12 tbl, 2 dwg
Catalysts // 2628068
FIELD: chemistry.SUBSTANCE: method provides the substrate material of titanium-bearing catalyst by means of (i) the substrate material contact catalyst with organic compound of titanium. Catalyst substrate material is selected from the group consisting of (a) the predecessor of the substrate catalyst containing aluminium connection that turns into a substrate of catalyst in the form of one or more aluminium oxides on ignition, and (b) substrate catalyst represents the aluminium oxide in the form of one or more aluminium oxides. And when this organic compound of titanium is a compound of titanium, which is associated with at least one oxygen atom of at least one organic group through communication, or (ii) joint hydrolysis of a hydrolysable organic titanium compound and Al (OR")3, and the titanium-containing support material of the catalyst then contains Al. The hydrolyzable organic titanium compound is a titanium compound in which titanium is bonded to at least one oxygen atom of at least one organic group through a bond. All of R" are the same or different, and each is an organic group. Annealing of titanium-bearing substrate material of catalyst is carried out at a temperature above 900°C with obtaining modified catalyst substrate, which contains more than 1 wt % and less than 3.5 wt % Ti, mass-based modified catalyst substrate with Ti is in the form of one or more compounds of titanium. The invention also relates to methods of obtaining the catalyst and catalyst's predecessor, as well as to the method of synthesis of hydrocarbons.EFFECT: lower costs.20 cl, 3 dwg, 5 tbl, 38 ex

Air dryer for pneumatic installation // 2628024
FIELD: machine engineering.SUBSTANCE: air dryer for the pneumatic installation, pressurized by the compressor, contains a reservoir for the brake system with a pneumatic drive for vehicles, with a housing and with a pressure regulator integrated in the housing. A cartridge and a dispenser for the regenerating air are installed in the housing in such a way that during the regeneration phase the compressed air flows in the reverse direction of the flow from the compressed air tank to the outlet connection element. The switchgear for regenerating air has a drive element for driving the valve interacting with the seat. The valve controls the flow connection using compressed air between the compressed air duct connected to the drying chuck and another by the compressed air channel connected to the outlet connection element. The actuator comprises a membrane.EFFECT: simplifies the design and reduces the influence of hysteresis.12 cl, 5 dwg

Gas treatment apparatus // 2627898
FIELD: machine engineering.SUBSTANCE: gas treatment apparatus comprises a housing with inlet and outlet connections for gas and liquid, inside which a filter drum is mounted on the shaft, made in the form of radially disposed metal plates, each coated with a porous film, and the housing of the apparatus is filled with absorbent liquid by 0.3-0.35 of the volume and has drop catchers installed at the same level with the axis of the shaft. The gas inlet connection has the form of a convergence nozzle, on the inner surface of which there are cam grooves extending longitudinally from the inlet to the outlet of the convergence nozzle. The outer surface of the shaft of the filter drum is made of a nanomaterial coating in the form of a glassy film. The drop catcher is made in the form of a hemisphere with a shift of the central axis towards the inner side surface of the housing. At the bottom of the hemisphere there is a trough-shaped collector of drop-shaped absorbing liquid, connected to a vertical channel for its drainage in the bottom of the housing.EFFECT: elimination of aerodynamic resistance of the apparatus housing due to fluid flow, ensuring constant energy consumption for the drive of the gas supply apparatus.4 dwg

Classifier for separating purified smoke gases into nitrogen and carbon dioxide gas // 2627892
FIELD: power industry.SUBSTANCE: classifier for separating purified smoke gas into nitrogen and carbon dioxide gas is a casing equipped with gas nozzles for purified gas inlet, nitrogen outlet, carbon dioxide outlet and fittings for feeding the rinse water and removing the carbonized water inside which, from the bottom to the top, a pan, a carbon dioxide chamber with a demister, separated with horizontal partition with round gas holes, a receiving chamber, carbon dioxide capture stages, which are horizontal perforated partitions with slotted and round holes, covered with a layer of granulated blast-furnace slag of h height and nitric chamber with spray are installed in sequence. Whereby, the carbon dioxide capture stages are connected to the carbon dioxide chamber with downcomers, which are damped with plugs at the nitrogen chamber inlet. Downcomers` areas, passing through layers of granulated blast-furnace slag, are provided with slotted holes of height less than h along the entire perimeter. In the horizontal partition, separating the receiving chamber from the carbon dioxide chamber, the drain valves are arranged, each of which consists of a drain hole in a horizontal partition, a grill frame, attached to it, and a float valve placed in the frame.EFFECT: increased performance of the device.4 dwg
Gas treatment apparatus // 2627887
FIELD: machine engineering.SUBSTANCE: gas treatment apparatus comprises a housing with inlet and outlet connections for gas and liquid, inside which a filter drum is mounted on the shaft, made in the form of radially disposed metal plates, each coated with a porous film. The apparatus housing is filled with absorbing liquid by 0.3-0.35 of the volume and has drift catchers installed at the same level with the axis of the shaft. The gas inlet connection has the form of a convergence nozzle, on the inner surface of which there are cam grooves extending longitudinally from the inlet to the outlet of the convergence nozzle. The curvature of the cam grooves is made along the cycloid line as a brachistochrone with a dovetail shape. The cam grooves are connected to a circular groove which is connected to the device for impurities extraction.EFFECT: constancy of the aerodynamic resistance of the apparatus and, accordingly, the normalized energy inputs for gas treatment during long-term operation.6 dwg

Gas turbine blade with convective cooling system // 2627879
FIELD: machine engineering.SUBSTANCE: known gas turbine blade with the convective cooling system, containing the stylus, bounded by the input and the output edge with the slotted hole and the profiled section with the convex and the concave walls, restricting the cooled cavity of the feather, the holes in the end face of the feather and the rim, the profiled ribs, forming the system of distributing and cyclone radial channels in the cooled cavity of the feather, cooling intensifiers made in the cooled cavity, the channels in its locking part for the air supply, the channels in its locking part are connected to the cooling cavity, with the holes in the end surface of the feather and with the slotted hole in the output edge, by proposal, the profiled ribs, forming the radial channel system are made pairswise of one length, and the distance from the radial channels peripheral ends to the end surface for each subsequent pair in the direction from the leading edge to the output edge is greater than the previous one. The feather end face rim can be located along the profile generatrix of the convex wall and the input edge.EFFECT: reduction of the cooling air consumption, the simplification and reduction of the production costs, the increase of mechanical strength and resistance to contamination, the increase of efficiency and the working life of the blade and the engine as the whole.1 cl

Capture mass composed of elemental sulphur deposited on a porous support for capturing heavy metals // 2627876
FIELD: chemistry.SUBSTANCE: retentive mass is proposed for mercury capture, which contains the active phase deposited on a porous alumina substrate. The active phase contains elemental sulfur. The porous support has a pore volume V0.004>0.1ml/g, where V0.004 corresponds to a total pore volume of less than 0.004 mcm, the substrate having a total pore volume of from 0.3 to 1 cm3/g.EFFECT: efficient extraction of mercury from industrial gas, synthesis gas, natural gas.15 cl, 3 dwg, 6 tbl, 8 ex

ethod and system for detecting ammonia slip into exhaust gas cleaning system // 2627872
FIELD: engines and pumps.SUBSTANCE: according to one of the examples, the exhaust gas system consists of two NOx sensors and uses varying responses of the NOx sensors to assign the output signal of a NOx sensor in the exhaust pipe to NOx and NH3 levels in it. The system includes an ammonia slip detection meter with amplitude-frequency characteristics, which defines the possibility of NOx and NH3 slip based on the sensor measured values which are further processed by a controller for the adjustment of one or more parameters on the basis of the above mentioned assignment and modification of the sensor output signal.EFFECT: invention allows to detect NH3 slip online at a high detection sensitivity without NOx input from the supplied gas.16 cl, 8 dwg

Underwater system (versions) and method for multiphase media separation // 2627871
FIELD: oil and gas industry.SUBSTANCE: underwater separation system for multiphase media containing oil, water and sand, contains an inlet manifold (204), a divider (206), separate pipelines (208, 210) of similar diameter. An adjustment chamber (214) having larger diameter than the separate pipelines (208, 210) of similar diameter is connected to the ends of the separate pipelines (208, 210). The adjusting chamber (214) includes discharge pipelines (216, 218) and is made to correct the fluid flow rate at the discharge pipeline. A sand receiver (212) is connected to the separate pipelines (208, 210), which is located below one of the separate pipelines (208, 210). Inside one of the separate pipelines (208, 210) there is a jet nozzle, connected to the lower outlet pipeline of the adjastment chamber (214). The underwater separation system also includes a control valve and a control system. The multiphase fluid is passed through separate pipelines (208, 210) downstream of the divider (206) and separated into oil and water phases. The solid particles are separated. The water flow through the outlet channel at the lower end of the adjustment chamber (214), and the oil flow through the outlet at the upper end of the adjustment chamber (214) are provided. Water is injected into the receiver (212). A cyclone is formed to remove sand inside the receiver (212) and remove the stirred-up solid particles from the receiver (212) without stopping or slowing down the steps of multiphase fluid flow and its separation.EFFECT: invention allows to adjust flows in each line, reduce power consumption, increase the productivity of underwater well, and to create compact underwater separation system.17 cl, 6 dwg
ethod for producing low-molecular chitosan and chitosan oligomers // 2627870
FIELD: chemistry.SUBSTANCE: method for producing low-molecular chitosan and chitosan oligomers by a chemical depolymerization method, including hydrolysis of chitosan in the presence of an acid, followed by filtration, fractionation, purification and drying of products, characterized in the fact that hydrolysis of chitosan is carried out with 2.5-12.5% dilute nitric acid at a temperature of 70°C, followed by separation of the hydrolyzate into two fractions - a precipitate of low-molecular chitosan and a mother liquor, then chitosan oligomers are precipitated from the mother liquor during addition of isopropyl alcohol and cooling. Then, both products are washed with isopropyl alcohol and air-dried, finally, the products of chitosan depolymerization are redissolved in water and dried lyophilically.EFFECT: method is proposed for producing a product of a narrow fractional composition which is highly soluble in water.5 ex

Valve for controlling solid phase in fluidized layer with high reliability // 2627866
FIELD: machine engineering.SUBSTANCE: invention relates to reactor structures comprising a circulating fluidized layer and one or more bubbling fluidized layers, and also to non-mechanical valves to selectively control the flow of solid phase particles moving between zones with a slow bubbling layer and zones with highly fluidized circulating layers. The non-mechanical valve comprises a partition wall separating the two sections, an opening in the partition wall, independently adjustable fluidizing means arranged upstream or downstream relative to the opening, connected to the fluidizing medium supplying means and configured to selectively control the flow of the particulate solid phase passing through the opening, collectors connected to independently controlled fluidizing means, enabling the collection of any solid phase particles entering the fluidizing means so that the accumulated solid phase does not interfere with the supply of the fluidizing medium to the fluidizing means, and independently controlled solid phase removal means located upstream or downstream relative to the opening, designed to remove the solid phase and agglomerates.EFFECT: improved control of local fluidization and operation of non-mechanical valves.36 cl, 10 dwg

System and methods of entrapped liquid removing // 2627864
FIELD: technological processes.SUBSTANCE: method of entrapped liquids removing comprises the steps of introducing a gas stream into the inlet of the column, comprising a plurality of cyclones, enclosed in glasses in which the gas stream contains entrapped liquid, separating of at least a portion of entrapped liquid from a gas stream using a plurality of cyclones, providing of flowing the separated entrapped liquids countercurrently to the flow of the gas stream, introducing of contact liquid into the column inlet, removing of the separated entrapped liquid through the bottom outlet of the column, removing of the gas flow through the top column outlet.EFFECT: effective retention of the entrapped liquid and its removal while maintaining working pressure.11 cl, 5 dwg
ethod for gas flow separation into single components or fractions // 2627849
FIELD: oil and gas industry.SUBSTANCE: method of gas flow separation into single components or fractions involves implementation of a two-stage short-cycle heatless adsorption process in a stationary layer of the adsorbent. The initial gas flow is divided into N single components or fractions characterised by an affinity coefficient according to the adsorption affinity to the adsorbent, the least sorbed single component or fraction has an affinity coefficient a1=1, and the remaining sorbed single components or fractions have successively increasing affinity coefficients as the adsorption affinity of adsorbent increases aN>aN-1>…>a2>a1=1, sequentially directing it under high pressure to the adsorber desorber of adsorber N-1 unit and cleaning from the most sorbed components or single fractions.EFFECT: invention solves the problem for development of effective method for separating the gas flow into single components or fractions based on the principle of short-cycle adsorption which provides energy and resource savings.21 cl, 1 dwg, 1 tbl
 
2550898.
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