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Method of surface hydrocavitation cleaning and device to this end Invention relates to cleaning of surfaces of coats and contaminants. Proposed method consists in surface processing by high-temperature high-rate cavitating water jet. In compliance with this invention, at pressure increase working fluid is subjected to vibroacoustic effects at frequency multiple of those of resonance water cluster excitation. Working fluid pressure makes at least 9.0 MPa. Working fluid temperature is not lower than boiling point. Proposed device comprises high-pressure pump, heater, nozzle and assembly for vibroacoustic effects with frequency control unit. |
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Unit for cleaning dispersed material in fluid Invention relates to cleaning of disperse materials from contaminants in fluid flows, including, from radioactive contaminants. Disperse material ultrasound processor comprises cylindrical case with ultrasound radiators arranged at its outer surface. Said cylindrical case houses perforated adapters, each being composed of a screw fitted on central rod or secured at case wall. Said case houses also reagent feed pipes, section with processed material processed material intake pipe and slime discharge pipes and conical part with discharge pipe and reagent feed pipes. Hollow rod accommodates ultrasound radiators with radial radiation waveguides. Adapter perforations feature definite sizes. Lower adapters feature larger perforations compared with upper adapters. Said rod is secured by its one end to vibrator or rotary drive. |
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Method of cleaning vessel inner surface Invention relates to cleaning of high-pressure tanks intended for storage of engine fuel tanks or ramjets of spacecraft correction system. To clean the tank inner surface it is filled with required amount of flushing fluid. Thereafter, tank is turned at low speed, said tank being secured relative to horizontal surface in two mutually perpendicular planes. This allows intensification of flushing without increase in rate or extra process jobs. Cleaning device comprises round bed, drive, round frame with two wheels to be mounted on circular guide of the frame. The tank is secured to frame ring with the help of inclination retainer to set tank inclination relative to frame ring. |
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Cleaning of fuel tanks is carried out in "filling-draining" cycles by filling a tank with a liquid (fuel) and further draining. In this case, content of contaminating particles in the liquid, passing through the pipeline during the tank filling, and in the liquid passing through the pipeline during draining from the tank is determined. An amount of contaminating particles removed from the tank is determined by the difference of the measured contents of the contaminating particles in the liquid during the tank draining and filling. Filters for cleaning the working liquid are installed at an inlet section of a pipeline for supplying the liquid into the tank and at an outlet section of the drain pipeline. Calculation expressions to determine content of the contaminating particles in the liquid passing through the pipelines, as well as to determine a volume of the liquid required to remove the given weight of the contaminating particles from the tank, are given. |
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Device for hydrocavitation treatment of underwater surfaces Device for hydrocavitation treatment of underwater surfaces comprises a dish-shaped platform with wheels and a jet propeller, a hand wheel for control of the device movement, a rotor mechanism, a unit pressing the device to the treated surface with the upper and lower coaxial flat discs with mutually overlapped openings, a collector for distribution of cavitation jets with radial tubular hollow spokes at which ends rotable cavitators and fixing elements are placed. The rotor mechanism is made as a hermetically sealed central hollow head with two unions, one of them is coupled to the line of working medium delivery. The jet propeller comprises a nozzle extension and tubular elements and an adjustable valve is installed between them. The first tubular element is connected to the other union of the central hollow head. The nozzle extension of the jet propeller is mounted at the end of the second tubular element. The collector for distribution of cavitation jets is coupled to the central head cavity. In the upper disc of the device pressing unit there are openings placed in circular zones with diameter d, and in the lower disc there are openings with diameter not less than d. At the upper disc there are gripping elements, which turn the disc. At the lower disc there are radial flat-topped lamellar screens placed at the angle of 10-70° to the treated surface. |
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Device for filtration of sewage waters with reverse osmosis membrane purification system Device contains a receiving reservoir, the main forcing pump, an input three-way high-speed valve, a connecting pipe for input of water to be purified, a membrane unit, a connecting pipe for output of the purified sewage, an output three-way high-speed valve and a reservoir of the purified sewage, successively connected to each other by a pipeline for operation in a sewage purification mode. In their turn, the reservoir of the purified sewage, an additional pump, the output three-way high-speed valve, the connecting pipe for output of the purified sewage, the membrane unit , the input three-way high-speed valve and a settling tank are successively connected by an additional pipeline to operate in a mode of reverse osmosis membrane purification. The membrane unit is connected to an ultrasonic generator. A control unit, provided in the device, is connected to the input and output three-way high-speed valves, additional pump and ultrasonic generator. |
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Device to remove isolation from pipe end outer surfaces Proposed device comprises cleaning device shaped to right prism or cylinder with side bore to fix outer isolation. This device has its end coupled with lever equipped with at least one handle to overcome isolation adhesion to the pipe. Simple design and lower costs allows its use in the field and can be made at whatever mechanical shops. |
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Cleaning of outer surface of aluminium or aluminium alloys of air cooling hardware Invention relates to cleaning outer aluminium surfaces of air cooling hardware. Proposed method comprises processing of surface with detergent and flushing with water. Note here that cleaning is conducted in three steps. At first and third steps, surface is flushed with heated water or the mix of water with steam at jet pressure of 20-150 bar. At second step, surface is flushed with 0.25-1.5% water solution of acidic detergent heated to 20-60°C at jet pressure of 20-150 bar and duration of 10-30 minutes. Used detergent comprises the following substances at the following ratio of components in wt %: orthophosphoric acid - 20.0-25.0, nitric acid - 8.0-15.0, oxyethylidenediphosphorus acid - 2.0-4.5, non-ionic surfactant - 0.05-0.11, water making up to 100. At first and third steps, surface is flushed with water heated to 20-100°C or with mix of water with steam heated to 100-155°C. |
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System and method of metal removal, foam-forming system and device for conversion of foam into fluid Invention relates to machining of parts. It comprises cutter, cutter drive, shaft coupled with said drive and said cutter. It includes also the foam-forming apparatus designed to generate foam to be directed to cutting boundary via said shaft. Besides, it comprises vacuum apparatus including the ring extending radial around said shaft and cutting boundary and multiple radial and axial suction channels. Vacuum source is connected with said channels. It includes the device to convert foam into fluid that comprises several tubes designed to convert foam into fluid at foam flowing there through. |
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Method of cleaning of energotechnological equipment working surfaces Invention relates to cleaning of working surfaces of electric separators, scrubbers, bins, silos, boilers, furnaces etc, and can be used for destruction and removal of solid, bonded and loose materials. Proposed method comprises delivery of explosive composed by combustible gas, for example, propane, methane, hydrogen and mixed thereof and oxidise, for example, air or oxygen to blast area, batching of explosive and remote initiation of the blast. Note here that said explosive is enclosed in plastic bag. Invention allows a maximum filling of combustion chamber, control over blast power and rules out pressure loss at explosive combustion. Besides, it allows a directed blast owing to weakened strength of the shell. |
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Invention relates to drive tools including dust suck-off means. Proposed tool comprises motor, case, dust suction part, dust transfer channel and dust outlet. Dust suction part closed at least the sharpened end of working tool. Dust transfer channel is made inside the case to transfer dust sucked into dust suction part. Dust outlet serves to discharged suck dust transferred via said transfer channel and is located at the motor side opposite the working tool. |
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Device for pumping-out drilling material at drilling by drill in masonry, etc Invention relates to a device for pumping-out of drilling material at drilling of brick masonry, etc. The device for pumping-out drilling material (11) at drilling of brick masonry, etc. with at least one reduced pressure chamber (5), at least one pumping-out point (14) spatially separated from reduced pressure chamber (5), connection pipe (7) for a pumping-out assembly that pumps out drilling material (11) available at pumping-out point (14) and at least with one hole (9), through which reduced pressure chamber (5) is hydraulically connected to connection pipe (7), which differs by the fact that at least one unloading hole (20) that attaches reduced pressure chamber (5) to atmosphere is provided in wall (6) of reduced pressure chamber (5) for creation of forced flow in reduced pressure chamber (5) to connection pipe (7) through hole (9). |
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Device for cleaning and drying rolling mill stands Device (10) is designed to clean rolling mill stands. Transfer device that can roll in rolling mill (11) on rails across rolling direction is intended for changing of rollers. Note here that like said rollers transfer device (10) can displace on its track (12) and comprises great number of fluid detergent jet nozzles (16) directed to rolling mill (11) and blow nozzles (22, 22a, 22b, 22c) for drier (24). |
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Control over pipeline cleaning and device to this end Invention relates to pipeline cleaning at in-pipe diagnostics and can be used for detection of pipeline clogging and pipeline availability for in-pipe ultrasound fault finder passage. Proposed device comprises casing composed by the bar with several flanges attached thereto. Note here that weights and bumper are secured to front two flanges while polyurethane conical skids assembled with cylindrical skids are secured to third flange. Said polyurethane conical skids and cylindrical skids support ultrasound transducer simulators while said polyurethane conical skids are composed by resilient bearing elements with polyurethane cylindrical skids jointed together by leaf springs and bolts with washers. Proposed method consists in pushing the cleaning check device through the pipeline. Note that said device is driven via collars by the flow of transferred product. At device passage over pipeline section, wax solid fractions and soil particles entrapped by oil get settled on ultrasound transducer simulator surface. Said device withdrawn from pipeline intake chamber, total quantity of ultrasound transducer simulators and that of three and more adjacent simulators coated with wax are calculated. |
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System for cleaning of tanks for storage and transfer of oil products Invention relates to cleaning of tanks for storage and transportation of oil products and can be used in oil, chemical industries, etc. Proposed system comprises means for preparation of flushing solution, hydrodynamic cleaning, discharge of residual contaminants, power supplies and control unit. In compliance with this invention, additional means for cleaning and recovery of oil product residues, those of detergents and contaminants. Said means are composed of mobile modules connected by pipelines. First module comprises first accumulation tank to prepare and use flushing solution and first pump to feed said flushing solution via flexible pipeline to second module inlet. It includes, mainly, flushing and intake devices integrated in one unit to be placed in the tank to be cleaned via upper neck. Third module comprises second accumulation tank equipped with vacuum unit for application of flushing solution. Its inlet is connected via flexible pipeline with intake device outlet while its outlet is connected via second pump with the fourth module inlet. Fourth module comprises coarse filter, settling tank with floating oil product intake and pipes at its central and bottom parts for discharge of used flushing solution and sludge. Fifth module comprises third pump with inlet connected with floating intake outlet. Outlet is connected via precleaner and fine filter with third accumulation tank inlet. Sixth module comprises fourth pump with inlet connected with pipe at settling tank mid part and outlet connected via coalescing and adsorption filters with fourth accumulation tank for cleaned flushing solution to be connected via pipeline with the first accumulation tank. Seventh module comprises container for sludge recovery with inlet connected with settling tank bottom pipe. The plant comprises also power supplies and control unit. |
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Method for degassing of vertical cylindrical vessels before repair For degassing purposes fluid is removed from a vessel, then it is cleaned from fluid residues by raising them by means of water bottom and cleaned from hard deposits by rinsing them with jets from jetting heads and washing machines. Oil, oil products or cleaning water solutions are used for rinsing. Afterwards air from a fan is supplied to the vessel on two opposite axially symmetrical sides of the vessel along its walls in flows/jets in opposite direction. Incoming air flows/jets provide for swirling of supply air in the vessel plane and for forming of a vortex which is mixed with the gas present in the vessel and is forced out from the vessel through a gas outlet pipe installed on the vessel roof strictly in its centre. At swirling air supply into the vessel inside, the two axially symmetrical flows provide for the circulation motion of liquid at the vessel bottom. |
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Device and method for raw material discharge Invention relates to device and method for raw material discharge for cable production line. The device contains opening (11) connected with cable production line to charge raw material into cable production line. Charging opening (11) is made with possibility to connect it with discharge neck (2) of raw material container. Additionally, the device contains packing means to open and close charging opening (11) after connecting discharge neck (2) with charging opening (11). |
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Claimed washing liquids for heating systems contain either solution of 1-3% citric acid, 0.03-0.05 wt % of hydrochloric acid and 0.05-0.5 wt % of chitosan, modified with isobutyric acid, containing methylpyrazole group (chitosan methyl pyrazolyl isobutyrate - CMPI), or 1-3 wt % of citric acid, 0.1-0.15 wt % of sulfuric acid and 0.05-0.05 wt % of chitosan, modified with isobutyric acid, containing methylpyrazole group (chitosan methyl pyrazolyl isobutyrate - CMPI), water - the remaining part. |
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Method of studying procedure of tank cleaning from oil residues In the method of studying procedure of tank cleaning from oil residues that includes delivery of detergent to the tank and removal of residual impurities according to the invention a model of a cleaned tank is calibrated by process water, after its drainage the tank is filled with an operating fluid that simulates oil residues; thereafter the operating fluid is pumped at the preset temperature to a vacuumised receptacle through the connecting line at a fixed hydraulic resistance, the cleaning parameters are registered against time and the level of the operating fluid in the tank and the receptacle. Besides the operating fluid with the following composition in wt % can be used as an oil residue simulator: fuel oil - 25; summer diesel oil - 5; silica sand with particle size less than 0.5 mm - 3; silica sand with particle size of 0.5-1mm - 3; silica sand with particle size more than 1 mm - 1; powdered iron oxide - 3; water solution of Labomid-101 detergent - remaining volume. |
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Device for cleaning of pipeline internal surface Device for cleaning includes seals installed in series at the shaft and having uniformly placed circular openings which centres are placed at circumferences concentric with the seals and these circumferences divide the annular area of the seals into equal parts between the pipeline and the device shaft. The device shaft is built-up with a spherical joint in order to increase flotation ability of the bent pipeline. Seals at the built-up shaft are installed with intervals between the first and second seals and the third and fourth seal equal to 0.36D, the interval between the second and third seal is equal to 0.55D. Diameter of openings in the first seal is equal to 0.015D; in the second seal - 0.010D; in the third seal - 0.007D; in the fourth seal - 0.006D. Openings are made with angular offset to the half of the central angle between the neighbouring openings in regard to openings of the neighbouring seal. |
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Method of clearing articles of dirt Invention relates to machine building and can be used for clearing articles of dirt, for example, the container for transfer loose and fragile goods. In clearing, hammer pulse impact force is constrained by elastic limit of container shell. Said limit is set experimentally or by calculation to transmit data on amplitude of oscillations produced thereat to rpm controller. Said amplitude is compared with previous magnitude to adjust rpm to amplitude increase to its maximum. |
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Method of mechanical cleaning of optical device transparent surface and device to this end Optical device active surface is processed by cleaning medium (11) containing separate particles arranged in device container. Cleaning medium swirls. Said swirling is activated and supported by inflow (9) parallel with cleaning medium motion (8). Possible is inflow of gas, fluid or mix thereof. |
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Distribution manifold is composed by j-sets of tubes. Said sets comprise invariable quantity of active pipe sections and variable quantity of passive pipe sections both corresponding to the set number. Note here that structure of every j-set is defined by the formula: N"констр."j=naj+nnj, where N" констр."j is total quantity of active and passive pipe sections in jth set; j is pipe set number, j=1, 2, 3, …, j=naj; naj -is the quantity of active sections in jth set, naj=1, 2, 3, …, L; L is maximum possible quantity of active sections in the set; nnj is the quantity of passive sections in jth set, nnj=j-1; j; j+1. |
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Procedure for oilfield pipeline repair Invention relates to oil industry and may find application in repair of oilfield pipeline. During repair of oilfield pipeline the pipeline is dug out to the length up to 15 m at the beginning, the pipeline is cut and its end is shifted aside in regard to the pipeline axis to the value of up to 0.4 m; an assembly in a form of a screw downhole motor with a chisel at the tubing string is placed into the pipeline; water is pumped through the tubing string with the flow rate of 0.2 - 0.5 m3/min under pressure of 3-6 MPa; the pipe is driven with force from 1.5 up to 3 t to salt deposits and these salt deposits are drilled out; as the assembly moves inside the pipeline the running string is extended, the pipeline is drilled at direct sections with deviation from the axis up to 15° per 10 m. |
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Self-purifying device and method for control of dense suspension pressure Method includes transfer of polluting viscous liquid mediums, such as dense solid-liquid suspensions of lignocellulose biomass and its components, which are under high pressure, with application of massive of telescopic valves. |
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Method of abrading jet surface cleaning of concrete and reinforced concrete structures before repair Invention relates to repair and can be used for cleaning the surface of concrete and reinforced concrete by abrasive means. Surface of concrete and reinforced concrete is processed by abrasive means composed by copper-smelting slags at the pressure of 7 atm for 4.0-5.0 min/m2. Consumption of abrasive equals 8-10 kg/m2 while cleaning rate makes 25-30 m2/h. |
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Method of concrete purification from carbamide Applied is water solution of nitrous acid salt, which is applied on surface of concrete product, quantity of nitrous acid salt in water solution is taken in dose from one to ten moles of nitrous acid salt per one mole of carbamide, and water content in solution from 10 to 90%. |
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Surface processing by arc discharge in vacuum Arc discharge cathode spots are initiated at processed surface, arc discharge being initiated between anode and cathode in the mode of voltage-current characteristic of increasing section, said cathode being a processed surface. Region of cathode spot location on processed surface is localised and processed surface is shifted by anode displacement. Anode with current-collecting surface area smaller than that of cathode is used and placed at the distance from cathode that ensures a positive anode voltage drop. |
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Pipeline scraper for dissipation of inhibitors with vortex effect Invention relates to pipeline transportation. Pipeline scraper (in-pipe inspection piston) is driven in pipeline by compressed air flow and serves to distribute cleaning solution accumulated at pipeline bottom. Front end of pipeline scraper (in-pipe inspection piston) has atomiser elongated in lengthwise direction and furnished with the set of helical cutouts arranged at atomiser outlet side periphery. Said scraper is equipped with two perforated seal elements making the resonator that serves as low-pressure space. Cutouts create vortex effect while perforated seals make steam and solution opposite pipeline scraper (in-pipe inspection piston) be sucked into resonator and be released via holes back to atomiser outlet. |
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Composition for removing thick-layer polyurea, polyurethane and polyurea-urethane coatings Invention relates to chemical agents (removers) for softening with the purpose of subsequent removal of local areas of off-grade thick-layer (1.0-4.0 mm) polymer coatings from surfaces of metal pipes of main and field oil- and gas pipelines and product pipelines with liquid hydrocarbons, as well as profiled coupling members, fittings, stop valves and mount assemblies, pipes and fittings of compressor and pumping stations, underground gas storage stations and oil storages in factory and field coating conditions during construction, reconstruction and repair of pipeline systems. The composition contains, wt %: polar aprotic cosolvent - N,N-dimethylformamide 30.0-35.0, polymer thickener - polyvinyl chloride chlorinated resin of the PSX-LS type 20.0-25.0, evaporation retardant - paraffin or vaseline oil 0.3-1.0, disintegrant and surfactant in form of distilled tall oil or fatty acids of tall oil, having acid number of 165-195 mgKOH/g 10.0-15.0, active organochloride solvent - methylene chloride - the balance up to 100.0. |
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Micro-bubble system for lathe-size articles as vehicle Micro-bubble system comprises bath with chemical solution for article to be dipped therein for cleaning purposes, means to feed micro-bubbles in said chemical solution and to feed chemical solution with micro-bubbles in said bath. Oil separator to collect bubbles on chemical solution surface caused by article cleaning as well as portion of chemical solution nearby its surface to separate oil from solution. Means to form surface flow nearby solution surface to remove surfaced bubbles in flushing bath. Means to remove carbon dioxide from air used to form micro-bubbles with the help of aforesaid feeder. |
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Plant for pipeline decontamination and cleaning of sediments Invention relates to radiochemical contamination/decontamination and can be used for decontamination of inner surface of pipelines conveying high-activity solutions and provided with protective coating and inaccessible for servicing and repair. Decontamination plant comprises detergent and decontamination agent solution chamber, compressed air feed and discharge chamber communicated with the latter and provided with air control valve composed by two fast-action valves fitted at compressed air feed and discharge pipelines, and control board. Valves bodies incorporate pressure device provided with decontaminating solution feed pipes and orifices communicating said pipes with pipeline to be decontaminated. Decontaminating solution chamber is connected to said decontaminating solution feed pipe of one of pressure device while receiver is connected with pipe of the other pressure device. Receiver volume is larger than that of decontaminating solution chamber. Decontaminating solution chamber and receiver can be arranged in safety plug seats, under shutoff valve. |
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Method and device for cleanout of pipeline inner surface Group of inventions relates to oil producing industry, in particular, to methods for cleanout of pipeline inner surface. While implementing the method a template connected to the device is fixed to the pipe; at that the device contains cutter, brush, impeller to provide rotation of the cutter and brush, wire rope with length exceeding length of the pipe. Wire rope with the device is disconnected from the template; then it is and connected to tension reel. The device is drawn along the pipe with simultaneous air supply to the pipe inner surface. |
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Drive of tank cleaner comprises brake to control magnetic hysteresis clutch rpm. Said brake is arranged nearby second part of magnetic hysteresis clutch and comprises brake elements interacting with the clutch second part to adjust magnetic hysteresis clutch second part rpm. |
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Hydrocavitation erosion destruction method involves pressure water supply to the inlet of a hydrocavitation device, activation of a hydrocavitation process inside that device by means of a cavitation body contained in it and supply of a cavitating water jet from the device outlet to the surface to be destructed, which is located in water medium. Space before the surface to be destructed us filled with water. A hydrocavitation process is formed, which represents vibration supercavitation with local medium heating, water ionisation and cavitation erosion of the surface to be destructed. In order to increase the power of action on the destructed obstacle, there used are n parallel working hydrocavitation devices structurally connected with a framework and forming together a hydrocavitation erosion destruction complex of natural and artificial obstacles, besides, by means of a single lever of the framework for destruction of especially solid obstacles. Prior to the beginning of operation, there installed into the complex framework with their mechanical fixation is 1 to n hydrocavitation devices that operate jointly as effectively as possible to destruct certain obstacles. Inlets of all of the used hydrocavitation devices are connected to the corresponding pressure water supply sleeves with individual shutoff mechanisms; then, shutoff mechanisms required for operation are opened. Obstacles are concentrated on minimum surface area by means of the single level of the framework for destruction of especially solid obstacles of hydrocavitation devices, and in order to improve performance of the complex operation on the corresponding less solid obstacles by means of the same single lever of the framework of n hydrocavitation devices there deconcentrated are obstacles on maximum surface area. |
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Proposed cleaner comprises brush with its rod furnished with cleaning threads and fitted on rotation drive output shaft fitted in bearing case equipped with handle and rotation drive control board. Adapter sleeve is secured aligned with output shaft at bearing case and equipped with working cup fixed in place by retainer and made of electrifiable nonmetallic material. Working cup covers said brush while cleaning threads stay in contact with cup inner surface and are made of resilient material. Replaceable polyethylene jacket is fitted on said working cup to contact with working cup outer surface. Said jacket is secured at working cup by fast-release tightening tape fitted in groove made at said working cup. Working cup projection on the plane perpendicular to output shaft lengthwise axis covers protection of bearing case on said plane. At shaft rotation cleaning threads slide over working cup inner surface to cause electrical charges inducing electrostatic field of definite magnitude. Availability of electrostatic field causes attraction of impurities to outer surface of replaceable polyethylene jacket fitted on working cup. |
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Pipeline transport method of multiphase multicomponent mixture Method involves measurement, sampling of hydrocarbon gas-liquid mixture supplied from wells for analysis and supply to mixture flow in the beginning of the pipeline of composition of surface active substances, which converts multiphase multicomponent flow to pseudohomogeneous bubble system, and consisting of oil-soluble demulsifier and depressant or inhibitor of paraffin depositions taken in the weight ration of 1:7 to 7:1. The above composition is introduced in the amount of 0.01 to 0.02 or 0.2 to 0.5 wt % of hydrocarbon constituent of mixture liquid phase. |
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Invention relates to surface washing head. Said head has case shaped to cowl open downward. At least one spraying sleeve is arranged inside said cowl to revolve therein about rotational axis. Said sleeve has atomiser spaced from rotational axis to feed pressurised liquid detergent and revolves along with said spraying sleeve to wash the surface by fluid jet. There is protective disc to cover at least one spraying sleeve on case exposed bottom side to define fluid jet circular passage penetrated by retaining baffles. At least one spraying sleeve can turn relative to protective disc. Retaining baffles are irregularly arranged in circle to allow noise reduction in proposed head. |
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Removal of metal coats from surfaces of parts made of radioactive chemically active metal Invention relates to nuclear engineering, particularly, to removal of electroplates and decontamination of radioactive material surfaces. Proposed method comprises chemical treatment in reagent combined with physical factor action consisting in thermal vacuum processing at 600-650°C for at least three hours, chemical treatment of surfaces to remove thermally deformed electroplates using acid solutions of etching based on compounds of mineral acids and machining. Then, cleaned parts are processed in the solution of sulfur-containing organic compound in volatile solvent to produce protective, at least 10 mcm-thick, layer. |
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Device to apply roll insulation material onto manifold pipeline Device comprises a detachable rotor of circular cross section in the form of a squirrel cage with support rollers and double-sided fixed bobbins for fixation of roll insulation materials. Also it comprises an autonomously placed detachable unit of a drive equipped with support and cylindrical traction rollers, on which a mechanised drive is placed with a master sprocket. On one of rotor ends there are rigidly fixed sectors of sprockets that are evenly arranged or sprockets covered with a driving chain, which also covers the master sprocket of the mechanised drive. To synchronise axial displacement of the rotor and the unit of the drive, the end external ring of the rotor at the side of the drive is arranged between cylindrical traction rollers of the drive unit. |
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Method of cleaning solid surfaces of oil contaminants Invention relates to removal of oil contaminants and can be used for cleaning of solid surfaces including soils and complex-geometry structures. Proposed method comprises spray washing of solid surfaces in detergent flow and phase separation of fouled detergent. Said detergent represents a 1-15%-water dispersion of monodisperse solid particles composed of polystyrene microspheres or mineral particles. Size of said solid particles varies from 0.2 to 6.0 mcm while the surface is modified by organosilicon surfactant. Solid particles film maximum 2D pressure makes 12-18 mN/m. Phase separation of fluid detergent is performed by addition of electrolyte aqueous solution. |
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Device for cleaning sewers and the like Invention relates to construction and may be used for cleaning pipelines of depositions, particularly, sewers, etc. Proposed device comprises working tool composed of umbrella made up of rotary conical head articulated with blades to open them to pipe ID. Rearrangement of thrusts allow adjustment of blades to definite pipe ID while pipes aligned inside their lengthwise axis and set at 90 degrees clean pipe walls of deposition and dirt on forcing water therein to rotate the head with blades. |
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Method and device for cleaning of underwater surfaces Invention relates to cleaning of underwater surfaces. Proposed method is implemented with the help of washing tool composed of carcass structure with washing appliances intended for spraying cleaning fluid. Said washing tool is shaped to bowl with built-in fluid feed nozzles arranged along bowl edges and central outlet atop said bowl to suck in fluid and contaminant. Note here that cleaning is performed as follows: structure is brought to surface to be cleaned so that bowl rim edge is located at a distance from said surface to set low dynamic fluid pressure at bowl outlet. To suck in water from ambient medium under said edge inside bowl and upward via outlet, fluid is sprayed via nozzles to cause bowl revolution and loosen contaminant at the surface. Note here that the mix of contaminant and water flows in settled water flow toward the center and upward to bowl inside top part to carry contaminant and water for further treatment. |
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Device and method for processing of wastes Invention relates to processing organic wastes and municipal solid wastes. Proposed device comprises long chamber for wastes processing at high temperature and having waste inlet and processed solids outlet, first means of hot gas feed into said chamber arranged in radially distance chamber area and means to discharge hot gases from chamber central area. Note here that said working chamber has first zone for air and/or moisture extraction of wastes and second zone for extraction of synthetic zone located downstream of said first zone. Said extraction means extract air and/or moisture separately from synthetic gas. Propose method comprises the steps whereat: wastes are fed to processing area, hot gases are fed from radially distant zone, removal of solids from the zone, extraction of synthetic gas from zone central area and extraction of air and/or moisture separately from synthetic gas. |
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Invention covers inner parts of bottle or flask washing machine. Said machine has several internal processing zones. Bottles or flasks are driven through said internal processing zones to be processed by various detergents. |
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Invention relates to scale removal and can be used under household and industrial conditions, for example, for removal of scale from teakettles or from "wet" surfaces of automotive engine cylinder blocks, or the like. Acid-based detergent solutions are filled in the vessel to be cleaned and held therein for a definite time. Said vessel is prefilled with water to be boiled and cooled to ambient temperature. Then, vessel is cooled further to below minus four degrees Centigrade to generate vibration in scale area. Then, vessel with ice is heated and, again, scale is subjected to vibration to remove water along with scale particles. Cooling temperature is selected with due allowance for tank material strength. Frequency of vibration should, in the first case, equal the scale material intrinsic oscillation frequency and, in the second case, it must equal to tank material intrinsic frequency. |
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Washing machine for bottles or similar vessels Invention relates to washing machine. Washing machine for bottles or similar vessels 2 has vessel transfer system provided with cells 5 for vessels. Note here that cells 5 compose a set of cells to make a closed loop with one washing zone 1 vessels 2 pass by carried by transfer system at spraying. Besides, said loop has sliding structure or sliding grate 9 with one sliding surface 13, 13c for vessels in said zone 1 under the path of cells 5. Note also that sliding surface 13, 13c interacts with vessels bottoms and that one of said surface 13, 13c is composed of sliding edge or sliding plate extending upward above adjacent areas of sliding structure or sliding grate 9. Note that one generating sliding surface 13, 13 or sliding part 12, 12a, 12c is articulated with sliding structure or sliding grate 9 and made of synthetic material. |
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Invention relates to drainage facilities and may be used for cleaning of said facilities. Proposed rotary nozzle comprises bearing parts and third revolving part. Screw pump drives said revolving part and is engaged with inner surface by gearing. Said third part has outer helical elastic groove. Bearing parts have outer lengthwise resilient plates. Central feed pipe features bores at the third part front and rear arranged mirror-like on pipe surface. |
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Method of cleaning processing equipment, in particular, filters Invention relates to cleaning of membrane filters to be used in food industry an at water treatment facilities. Cleaning of the filter is performed by solution of persulphate with pH over 11 and temperature of 70-80°C. |
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Device for flushing pipe inner surface in process flow Invention relates to cleaning pipe inner surface of scale and sludge and different-length pipe (6 to 14 m) inner surface degreasing. Proposed device comprises feed roll-table and conveyor for transverse feed of pipes, flushing fluid and air feed nozzles arranged at separate posts and positions, and flushing fluid forcing system composed of a set of pumps. Besides this device is equipped with three lifters with prisms arranged subject to pipe lengths in the area of said conveyor. Two prisms are arranged in the area of shorter pipes while third prism stays in that of different-length pipes. Every prism is arranged at carriage displacing in vertical guides from the drive. Prism located in the area of different-length pipes is composed of portal and equipped with tray and container for sludge collection. Tray length equals the difference between pipe maximum and minimum lengths. Prism lifting drive is arranged outside of flushing fluid collection area and composed of power cylinder coupled by two-arm lever with aforesaid carriage. Two prisms participate permanently in flushing of all pipes. Prism arranged in the area of different-length pipes is used for flushing long pipes, for example, longer than 9 m, for ruling out pipe overturning. |
Another patent 2513775.