Method of absorption of gases and device therefor

FIELD: chemistry; technological processes.

SUBSTANCE: invention relates to mass-transfer methods for liquid extraction of gas mixture components and can be used in mass-transfer equipment in the chemical industry. Device for implementing the method according to claim 1, comprising an installation consisting of six chambers, aeration columns are installed in bubbling chambers, packing chambers are filled with spherical elements, scattering reflectors and acoustic ultrasonic dispersers are installed in irrigation chambers, characterised by that, the bubble chamber of stage I is divided by a partition into final and main bubbling chambers, and ceramic dispersers and/or ultrasonic Hartmann whistles are installed therein; an absorbent discharge tube is connected to the final chamber; and to the main chamber of stage I and bubbling chamber of stage IV are connected circulating pumps, pressure pipelines of which are connected to the scattering reflectors of the chambers of stages III and IV, which irrigate the loading elements of the packing chambers of stages II and V; discharge line of the absorbent supply pump is connected to an acoustic ultrasonic disperser installed in stage IV irrigation chamber and to the pressure line of the circulation pump connected to the bubbling chamber of stage VI.

EFFECT: technical result is to ensure the achievement of the effect of the final solubility of gas molecules in a liquid with maximum absorption of hard-to-extract gas components; automation of technological processes helps to reduce energy costs.

4 cl, 1 dwg

 



 

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: oil-and-gas industry.

SUBSTANCE: invention relates to a gas scrubber. The gas scrubber contains a gas washer designed as a vertical cylinder with one or several heat exchangers which are built-in into its housing for cooling of a gas-liquid mix formed by a gas to be cleaned and flushing liquid. The heat exchangers consist of vertically located thermal sheets and have a cross section which in each case conforms to common cross section of the gas washer. The gas-liquid mix flows through gaps between thermal sheets whereas cooling liquid flows in thermal sheets. Down the flow in front of the top heat exchanger the sheets guiding a flow are mounted which are designed as rectangular plates parallel to each other and located in such a way that their lower edges pass parallel to the top edges of thermal sheets with the gap D 5 - 15 cm and the horizontal average distance (B) between the guiding sheets is equal to average distance between thermal sheets, sheets are located at an angle F to a vertical axis of the gas washer, that is less than 90°, and their depth E is 10-30 cm.

EFFECT: invention allows to improve efficiency of heat exchange.

6 cl, 3 dwg, 1 tbl

FIELD: transport, distribution.

SUBSTANCE: invention relates to distribution of fluid. Distribution tray comprises flat part to make fist side adapted for fluid intake and second side with several holes, and overflow device extending through said flat part. Note here that said first part is located on first side while second part is arranged on second side. Said second part allows fluid to flow there through. Besides, it includes insert is arranged inside overflow device to make the contraction and expansion of fluid passage channel. Note here that said insert makes the contraction whereat one or several cut-out are made. Several holes are arranged downstream of the overflow device and several holes upstream of said contraction.

EFFECT: uniform fluid flow.

14 cl, 9 dwg

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: chemistry.

SUBSTANCE: method includes the introduction of drops of an absorption liquid into a gas flow, mainly, in the direction of the gas flow, capturing CO2 from the gas flow during a phase of capturing by means of the drops of the absorption liquid, with the drops of the absorption liquid being introduced into the gas flow at a high rate, sufficient for the provision of an internal circulation in a mass of a drop of the absorption liquid, and the drops of the absorption liquid being introduced into the gas flow with the Sauter mean diameter in the interval from 50 to 500 mcm. A device for capturing CO2 is described.

EFFECT: reduction of capital expenditures and energy consumption.

19 cl, 7 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to gas-fluid contact apparatus. The latter is intended for fluid spraying from top to bottom in contact column. Gas in said column displaces so that gas displacing from top and bottom gets in direct contact with fluid. Said gas-fluid contact apparatus includes the elements that follow. Wall nozzles arranged in wall surface in said contact column for fluid spraying inside contact column and fluid dispersion nozzles arranged inside said contour composed by wall nozzles in contact column for uniform fluid spray therein. Note here that fluid dispersion nozzles and wall nozzles include nozzles of two or more types to be used in compliance with gas flow rate.

EFFECT: uniform fluid dispersion in column, decreased amount of sprayed fluid.

9 cl, 1 tbl, 14 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to fluid flows separation in chemical apparatuses. Device for separation of fluid flows wherein at least one solution is diluted and/or exists as a suspension in chemical apparatus into two or more separate flows comprises at least one plate with two or several rounded holes or hole chamfered at partial flow intake side. Said holes can be shaped to slots.

EFFECT: reduced inclination to sedimentation.

6 cl, 6 dwg, 2 ex

FIELD: process engineering.

SUBSTANCE: invention relates to processing of hydrocarbon gas. Proposed method comprises removal of heavy hydrocarbons, mercaptans, hydrogen sulphide, drying for production of cleaned gas and regeneration gases, and recovery of acid gas of regeneration to obtain sulfur and off gas. Note here that hydrocarbon gas is premixed with the mix of regeneration gases and off gas and subjected to absorption cleaning by chemisorbent to obtain organic phase, water and pre-cleaned gas to be directed for further cleaning. Said chemisorbent represents a hydrocarbon solution of sulfur, organic di- and polysulphides, as well as catalytic amount of organic compound containing tertiary nitrogen atom. The latter is produced by mixing organic phase with sulfur in amount that ensures a complete oxidative conversion of mercaptans.

EFFECT: higher yield, simplified process.

1 dwg

FIELD: process engineering.

SUBSTANCE: invention can be used in oil-and-gas industry, oil processing, chemical and petrochemical industries for absorption cleaning of process gases from acid components with application of aqueous solutions of alkanolamines. Proposed device comprises separator, device to mix gas with absorbent, two-section absorber with mist extraction device, top packed mass exchange section equipped with distributing device, bottom section equipped with the set of radial-helical heat exchangers with distributing devices and coolant or heat carrier feed and discharge pipes, absorbent feed pump, device to clean circulating amine solution from decomposition products, gas feed and discharge pipes and process pipelines. Note here that absorber bottom is located above the point saturated absorbent is fed into stripper with allowance for pressure difference in absorber and stripper.

EFFECT: reduced loss of absorbent and amount of desalinised water.

2 cl, 1 dwg, 1 ex

FIELD: chemistry.

SUBSTANCE: invention relates to field of chemistry. Synthesis-gas from gas-generator 10 is supplied into reactor 64 for conversion of carbon oxide into carbon dioxide. From reactor 64 synthesis-gas is directed into absorption unit 12, containing one or several membrane contact filters 72. Synthesis-gas can be kept in internal volume 74, and in internal volume 76 - solvent. Membrane contact filters are located between two volumes 74 and 76. Ennobled synthesis-gas, leaving unit 12, consisting mainly of hydrogen, is supplied into gas turbine 6. Output gas from gas turbine 6 is supplied into system 8, where gas is caught and used for steam production. Steam, obtained in system 8, is supplied into system 66 for reduction of solvent.

EFFECT: inventions make it possible to reduce production expenditures due to reduction of equipment size and quantity of solvent.

10 cl, 4 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to gas cleaning of harmful impurities, extracting valuable components therefrom, in particular, to drying of natural gas to dew point. Proposed absorber comprises housing, gas and fluid inlet and discharge pipes, mass exchange section and entrainment trap. Note here that mass exchange section is composed of horizontal supports with preformed packing packs. Note also that said preformed packing pack is composed of corrugated sheets separated by flat-sheet spacers to make gas and fluid channels there between.

EFFECT: higher efficiency, decreased overall dimensions and metal input, lower consumption of adsorbent.

10 cl, 7 dwg

FIELD: chemical engineering.

SUBSTANCE: apparatus comprises groups of parallel rectangular plates with corrugated bottom. The ribs of the corrugation are oriented along the flow, and the distance between the plates does not exceed 30 mm. Between the plates, rods or pipes are arranged at an angle 90±15° to the vector of flows. The plates are assembled in groups of parallel plates inclined downstream. The uniform distribution of fluid over the plates when fluid flows from one plate group to another group is provided by means of distributing-overflowing devices.

EFFECT: decreased hydraulic drag.

2 cl, 5 dwg

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