Dump packing for mass exchange strings

FIELD: machine engineering.

SUBSTANCE: dump packing is made of metal grid with elements in the form of a cylinder with inner central partition, in which the upper and lower edges and the partition have evenly arranged teeth of certain height and an angle at the base.

EFFECT: designing elements with said teeth results in increase of separating capacity of nozzle and reduction of scale transition factor with preservation of throughput capacity for different strings, liquids and modes.

4 dwg, 2 tbl

 



 

Same patents:

FIELD: oil and gas industry.

SUBSTANCE: dispenser for nozzle irrigation in rectification and adsorption towers include the system of liquid delivery to the dispenser in the form channels with rectangular cross-section and openings in the lateral walls matched to groves shaped as triangle in standard cross-section for the purpose of liquid phase draining, in their lower part there are splitters for liquid jets as a bundle of dispersing elements matched in the lower part of the grooves with upper ends of the dispersing elements oriented downwards by the lower ends. The dispersing elements are placed at angle α in regard to each other and their length L is divided by the following formula: , where L is length of a dispersing element; a is a channel width, mm; b is a groove width, mm; N is a number of dispersing elements, pieces; α is the angle between dispersing elements, degrees.

EFFECT: invention allows increasing square area and uniformity of irrigation for the mass-exchanging nozzle.

3 cl, 5 dwg, 2 ex

FIELD: machine building.

SUBSTANCE: conical jet scrubber comprises a casing with branch pipes for dust-laden and purified gas, a nozzle spraying device, support and limiting trays with a packed bed in between, a liquid trap made as the packed bed layer placed between the support and limiting trays, and a sludge removing device; the support trays are made resilient, and the packed bed placed above the lower support tray is made from resilient materials, a vibrator is set on the lower support tray, the packed bed is made as a cylindrical ring with two hemispherical surfaces being attached to its side surface opposite to each other so that diametral planes of the hemispheres coincide with the upper and lower bases of the cylindrical ring respectively, and the apices of the hemispherical surfaces are set on the ring axis and are turned to each other.

EFFECT: higher efficiency and reliability of dust separation.

2 cl, 2 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to an improved method of producing unsaturated carboxylates by reacting alkenes containing 2-6 carbon atoms with alkane carboxylic acids containing 1-6 carbon atoms, in the presence of an oxygen-containing gas and a noble metal-based heterogeneous catalyst via a continuous process in a homogeneous gas phase in a reactor. The gas phase is fed into recycling gas and before entering the reactor, is saturated with an alkane carboxylic acid in a saturated designed for this purpose, where before the saturator for saturating with an alkane carboxylic acid (main saturator), there is a pre-saturator in which the recycling gas is saturated with a portion of the alkane carboxylic acid used for saturation, after which the recycling gas is fed into the main saturator and saturated therein with the remaining amount of the alkane carboxylic acid. The invention also relates to an apparatus for realising said method.

EFFECT: use of the presaturator for saturating with acetic acid prolongs the time interval between stoppages of the production process for cleaning the equipment.

10 cl, 1 dwg

FIELD: process engineering.

SUBSTANCE: reactor comprises charge of arbitrarily-oriented ceramic filler with fluid distribution channels made at its outer surface. Said channels serve to entrap and redirect the fluid to facilitate its distribution.

EFFECT: better fluid redistribution owing to fluid withdrawal channels on filler outer surface.

13 cl, 1 tbl, 7 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to wet dust separation and may be used in chemical, textile, light industries, etc, for dusty gas cleaning. Scrubber comprises housing with dusty and cleaned gas branch pipes, sprinkler, support grids with nozzle arranged there between, and sludge removing device. Nozzle is made up of cylindrical rings with their side surfaces provided with two cutouts directed parallel with cylindrical surface generatrix and one cutout directed perpendicular to ring axis. Note that said cutouts close to form "П"-shape cutout. Note here that said cutouts close up to form "П"-like cutout. Lobes that result are bent toward ring axis. Note here that lobes are provided with bent flanges in direction perpendicular to ring axis. Similar lobes are spaced through 90 degrees from previous lobes. Said elements differ from known designs in that ring cylindrical surfaces with two cutouts made in direction parallel with generating lines of said surfaces and cutout in direction perpendicular to ring axis are perforated.

EFFECT: higher efficiency and reliability of dust separation.

1 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to wet dust separation equipment. Packing for scrubber comprising casing with dusty and cleaned gas branch pipes, sprinkler, bearing grates with said packing arranged there between, and slime discharger. Note here that said packing is composed of cylinder rings while packing element is made up of cylinder ring. Two hemispherical surfaces are attached to side surface of said cylinder ring so that longitudinal center planes of hemispheres are aligned with cylinder ring top and bottom bases. Note that top sections of hemispherical surfaces are located on ring axis and opposed.

EFFECT: higher efficiency and reliability.

FIELD: chemistry.

SUBSTANCE: invention relates to waste water treatment and can be used in chemical and biological industry. Biological treatment of liquid is carried out in reactor 100. Reactor 100 has packing layers 102, the first layer consisting of hollow elements 120 and the second consisting of porous carrier elements with 6-8 pores per centimetre. The stream of liquid is fed into the reactor 100 through a distributor 130. Gas is fed through a diffuser 138. The purified liquid comes out through an outlet 134.

EFFECT: invention enables to avoid excess penetration of the liquid through the reactor, increases degree of purity of the liquid.

10 cl, 2 tbl, 2 ex, 6 dwg

Scrubber // 2416454

FIELD: process engineering.

SUBSTANCE: invention relates to wet dust separation and may be used in chemical, textile, light industries, etc, for dusty gas cleaning. Scrubber comprises housing with dusty and cleaned gas branch pipes, sprinkler, support grids with nozzle arranged there between, and sludge removing device. Nozzle is made up of cylindrical rings with their side surfaces provided with two cutouts directed parallel with cylindrical surface generatrix and one cutout directed perpendicular to ring axis. Note that said cutouts close to form "П"-shape cutout. Lobes that result are bent toward ring axis. Fold flanges are made on said lobes in direction perpendicular to ring axis, similar lobes being made spaced apart from previous lobes for 90°. Layer of soft vibration absorbing material is applied on scrubber parts surfaces.

EFFECT: higher efficiency and reliability of dust separation.

4 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to design of dump packing for heat-and-mass transfer apparatuses and can be used in chemical, petroleum and petrochemical industries etc., in heat-and-mass transfer processes in fluid-gas systems. said packing represents a disk with maximum-length strips arranged along one of disk axes. Note here that strip length and width decrease from disk axis to its periphery. Strip flange lines form steps. Note here that distance from flange line of each strip to disk edge increases from maximum-length strip to minimum-length strip from 0.75 to 3 of corresponding width of each strip.

EFFECT: high efficiency mass-and-heat exchange.

2 dwg

FIELD: water supply.

SUBSTANCE: invention may be used for treatment of mine waters, industrial waters, and also waste waters of furnace gas cleaners at sewage treatment facilities, car washes, laundries, in fish farms, in devices for water treatment in swimming pools, in water drains of garbage dumps. Bioreactor 1 comprises the following components: reservoir 2 with substantially round or elliptical cross section equipped with facilities 5 of treated water supply and facilities 6 of treated water drain. Reservoir 2 comprises the following components: material-carrier 3, which makes it possible for the biofilm to be developed on it and facility 4 for supply of medium, which bears reaction gas. Reservoir 2 is arranged with the possibility of substantially complete filling with water in process of cleaning.

EFFECT: increased efficiency of bioreactor, improved process of water treatment, reduced cost of water treatment.

19 cl, 4 dwg

FIELD: chemical or physical processes.

SUBSTANCE: catalytic nozzle comprises central cord of the core of the fiber members made of polymeric fiber, e.g. capron, whose diameter exceeds the diameter of individual fiber members by a factor of two. Several fiber members of the nozzle are modified by catalyzers. The ratio of the modified and non-modified fibers is 1:2. The thrown fibers are primarily wound on the central cord, and then the noncorroding metallic cords are wound over the thrown fibers.

EFFECT: enhanced reliability.

1 cl, 1 dwg

Packed scrubber // 2279905

FIELD: chemical industry; textile industry; food industry; light industry; other industries ; equipment of the wet dust separation.

SUBSTANCE: the invention is pertaining to the equipment of the wet dust separation and may be used in chemical, textile, food, light and other industries for purification of the dusty gases. The packed scrubber contains: the body with the fitting pipes for the dusty gas and the purified gas; the sprinkling device; the support gratings, between which there is the head; and the device for withdrawal of the slime. The head is made in the form of the hollow spheres, on the spherical surface of which there is the cut groove having in the cross-section perpendicular to the screw line the profile of "Berly saddle" or "Itallocks" saddle. The head can be made out of the porous polymeric materials, the glass, the porous rubber, the composite materials, timber, stainless steel, titanium alloys, precious metals. The technical result of the invention is the increased efficiency and reliability of the dust-catching process, and also reduction of the metal consumption and the vibroacoustic activity of the apparatus as a whole.

EFFECT: the invention ensures the increased efficiency and reliability of the dust-catching process, reduction of the metal consumption and the vibroacoustic activity of the apparatus as a whole.

3 cl, 4 dwg

FIELD: production of ceramic elements for packing.

SUBSTANCE: ceramic element (1, 6, 8) for packing is used as limiter for layers; it is made in form of bow-tie and has constant cross section along axis (1) and many through passages (5) which are parallel to direction of length (L). Proposed method consists in extrusion of mixture which contains one or several ceramic-forming components, sectionalizing of extruded mixture for forming sections and burning of sections for forming packing element. Packing is used for filling the columns where mass-transfer and heat-transfer processes are carried out.

EFFECT: enhanced efficiency.

15 cl, 6 dwg

FIELD: forming of elements for dumped packing used for filling columns for mass- and heat-exchange processes.

SUBSTANCE: axis of symmetry of proposed element lies in way of its length. Ratio of largest size perpendicular to length and defining diameter (D) of element to length (L) ranges from 2.7 to 4.5. Element has polygonal cross section with six sides and many internal partitions forming passages at triangular cross section.

EFFECT: possibility of obtaining optimal working parameters.

15 cl, 5 dwg

FIELD: chemical industry; other industries; production of the heads for the heat-mass-exchanging apparatuses.

SUBSTANCE: the invention is pertaining to the devices of heat-mass-exchanging apparatuses with the fluidized three-phase layer and may be used in chemical industry and other industries at purification of the gas bursts of the harmful gaseous components. The head for the heat-mass-exchanging apparatuses is made in the form of the torus produced out of the cylindrical component made out of the synthetic filaments by its twisting from one or two ends. The cylinder is made out of the longitudinal filaments fasten among themselves in the staggered order with formation of the longitudinal cells. At that the diameter of the head exceeds its height in 1.25-1.33 times, and the ratio of the cell height to the diameter of the head makes 0.25-0.3. At utilization of the head the gas-liquid layer is uniformly distributed in the operation volume of the apparatus, that predetermines the stable hydrodynamic situation. At that the mass exchanging process is intensified due to the highly developed surface and the strong turbulization of the gas-liquid layer.

EFFECT: the invention ensures the gas-liquid layer uniform distribution in the operation volume of the apparatus, the stable hydrodynamic situation, intensification of the mass-exchange process.

4 dwg

FIELD: chemical engineering.

SUBSTANCE: invention relates to design of fill0in heads for mass transfer apparatuses and it car be used in heat-mass transfer processes in liquid-vapor(gas) systems, for instance at rectification, absorption, desorption, distillation a dn other processes. Proposed head member for mass transfer apparatuses has cut elements curved to circle of side surface. According to invention, head member is made in form of parallel cylinders formed by cut elements arranged in rod height, curved to circle in turn, inside and outside. Cylinders are connected by bridges and are arranged relative to each other so that their diametral planes from side surface of regular polygonal prism.

EFFECT: increased efficiency of heat-mass transfer by increasing surface of phase contact owing to reduction of drop formation and uniform distribution of phase surface in volume of heat-mass transfer apparatus.

3 dwg

FIELD: chemical industry.

SUBSTANCE: method comprises mixing gas with a portion of the circulating gas-liquid mixture, bringing the mixture produced in a contact with the finally dispersed drops in the first stage and with liquid condensed on the nozzle members in the second stage, pumping the main portion of the gas-liquid mixture through the pipes to the top layer of the liquid, and entraining the remainder portion by means of vortex funnels toward the bottom liquid layer in the third stage. A portion of the mixture is directed to the recirculation, and the remainder portion is forced to contact with the drops of circulating liquid in the fourth stage. The final contact is produced in series in the nozzle chamber of the fifth stage, aeration towers, and bubbling chambers of the sixth stage. The sprinkling chamber of the first stage receives acoustic ultrasonic disperser provided with longitudinal ultrasonic wave ducts. The sprinkling chamber of the fourth stage receives the deflecting shields with a diameter of 30-80 mm made of interconnected cylinders of different diameters. The cylinders have longitudinal cuts from the bottom cylinder to the top cylinder and additional cuts in the cylinders. The members for charging the nozzle chambers in the second and fifth stages are made of balls with a diameter of 20-70 mm provided with six-nine hollows in the spherical surface whose axes intersect at the ball center. The thickness of the walls between the hollows decreases toward the ball center.

EFFECT: enhanced efficiency.

5 cl, 6 dwg

Packed column // 2310504

FIELD: chemical industry; petrochemical industry; oil-refining industry; oil-processing industry; gas-processing industry; metallurgical industry; by-product-coking industry; environmental protection; production and operation of the packed mass-exchange apparatuses for the "gas-liquid" systems.

SUBSTANCE: the invention is pertaining to the packed mass-exchange apparatuses for the "gas-liquid" systems and may find application in chemical, petrochemical, oil-and gas-processing industries, metallurgical industry and the by-product-coking industry, and also in the industrial ecology at purification of the flue gases and the ventilation emissions. The packed column contains the cylindrical body and the head made in the form of the multi-row located in it rings, the lateral surface of the rings of the head is bent along the circumference with R=0.08-0.1 m. The rings are vertically installed with the shift in the rows of the convex side towards the axis of the body of the packed column in such a manner, that the upper protruding edge of each ring of the lower row number is located inside the ring of the upper row. The technical result of the invention is the increased degree of the purification of the gases at the expense of intensification of the process of the mass-exchange between the gas and the liquid.

EFFECT: the invention ensures the increased degree of the purification of gases at the expense of intensification of the mass-exchange process between the gas and the liquid.

2 dwg

FIELD: catalysts.

SUBSTANCE: invention relates to novel catalyst fillings containing physical mixture of catalytically active and catalytically inactive molded particles wherein catalytically inactive molded particles have rounded edges on their friction surfaces.

EFFECT: reduced mechanical wear inside catalytic filling and preserved low pressure drop over the filling.

2 cl

FIELD: engines and pumps; chemistry.

SUBSTANCE: reactor system comprises reactor tube, which contains compressed layer of molded carrier material, which may include catalytic component. Molded carrier material, for instance, aluminium oxide, has geometric configuration of hollow cylinder. Catalyst contains silver. Hollow cylinder has ratio of rated length to rated external diameter from 0.5 to 2, and ratio of rated external diameter to rated internal diameter, which exceeds 2.7. Reactor system also has such combinations of reactor tube diameter and geometric parameters of molded catalyst carrier, which make it possible to produce compressed layer of catalyst in reaction system with high density of package with minimum pressure drop via compressed layer of catalyst.

EFFECT: higher efficiency.

21 cl, 7 dwg, 3 tbl, 7 ex

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