WO2016039664A1 - Adsorbeur pour purification de gaz - Google Patents

Adsorbeur pour purification de gaz Download PDF

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Publication number
WO2016039664A1
WO2016039664A1 PCT/RU2015/000260 RU2015000260W WO2016039664A1 WO 2016039664 A1 WO2016039664 A1 WO 2016039664A1 RU 2015000260 W RU2015000260 W RU 2015000260W WO 2016039664 A1 WO2016039664 A1 WO 2016039664A1
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WO
WIPO (PCT)
Prior art keywords
gas
adsorbent
grid
adsorber
johnson
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Application number
PCT/RU2015/000260
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English (en)
Inventor
Igor Anatol`evich MNUSHKIN
Original Assignee
Mnushkin Igor Anatol Evich
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Publication date
Application filed by Mnushkin Igor Anatol Evich filed Critical Mnushkin Igor Anatol Evich
Publication of WO2016039664A1 publication Critical patent/WO2016039664A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0423—Beds in columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/24—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/304—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

Definitions

  • the invention relates to the equipment for adsorption purification of gases from admixtures, particularly, hydrocarbon gases from water, carbon dioxide, hydrogen sulfide and other components, and can be used in oil refining, gas processing, chemical and other industries.
  • gas purification technology is the frequent presence of solid particles (dusty gas) or liquid drops (aerosol).
  • an adsorber comprising cylindrical body with upper and lower bottoms, input unions of gas to be purified and output unions of purified gas, input and output unions of regeneration gas, lower distribution grate, on which the adsorbent layer is placed on the layer of gravel inert substrate or ceramic, porcelain or metal packing, manholes for adsorbent loading and unloading (N. V. Keltsev Fundamentals of adsorption technology. M.: Khimiya, 1984, pp. 222-223 A. G. Kasatkin Basic procedures and apparatuses of chemical technology. M.: Khimiya, 1973. pp. 446-448).
  • the basic disadvantages of the absorber are:
  • ⁇ inert substrate layer consisting of gravel particles or packing with dimensions larger than granules have large transport channels with the diameter slightly smaller than adsorbent granule size, it allows the passage of liquid and solid particles in the purified gas stream to the adsorbent layer, at that, the liquid particles treat the adsorbent granules and the solid particles clog small transport pores between the granules, which in both cases results in the decrease of adsorbent activity and the reduction of adsorption stage length, which impairs the economy performance of the procedure of adsorption gas purification.
  • an adsorber comprising casing, branch pipe of gas supply for purification, branch pipe of purified gas output, vessel with the sorbent, screw down device as a grid, support ring with double-action pneumatic cylinders, whose pistons are attached to the grid and are connected via two collectors, two three-way valves and a pipe to gas input, branch pipes for filling the sorbent are equipped with devices to control the sorbent shrinkage (Adsorber: pat. 2305003 Rus. Federation. No. 2005126825/15; appl. 25.08.05; publ. 27.02.07).
  • This method has the following disadvantages:
  • an adsorber comprising vertical casing divided by perforated zigzag partitions into sections forming staggered confusors and diffusers, upper and lower grids and outlet and inlet branch pipes.
  • gas inlet branch pipe is a narrowing truncated cone made of resilient elastic material, on the inner surface of which there are longitudinally extended spiral grooves, at that, the design of the grooves is "dovetail".
  • outlet windows uniformly arranged at the horizontal level between longitudinally extended spiral grooves and having the same diameter at the same horizontal level and the increasing diameter in the subsequent horizontal levels, while gas to be purified is moving from bigger base of gas inlet branch pipe to its smaller base.
  • the smaller base of gas inlet branch pipe is plugged with resilient elastic material.
  • On the inner surface of gas outlet branch pipe there are longitudinally extended spiral grooves with a tangent line positioned clockwise.
  • the tangent line of spiral longitudinally extended grooves is positioned counter-clockwise, wherein the perforated zigzag partitions are made of bimetal, at that, bimetal material of confusor inner surface has 2-2.5 times higher heat conductivity factor than the heat conductivity factor of bimetal material of diffuser inner surface (Adsorber: certificate No. 141495, Rus. Federation. No. 201314343005/05; appl. 25.09.2013, publ. 10.06.2014).
  • This method has the following disadvantages:
  • a vertical adsorber with fixed layer of adsorbent comprising vertical casing, support grid with filling layer of adsorbent, separating metal grids and layers of ceramic balls placed on the support grid and at the top of adsorbent layer, union at the upper bottom of adsorber casing for processed gas input (regeneration gas output), union on the lower bottom of adsorber casing for processed gas output (regeneration gas input), distributors for processed gas regeneration.
  • a horizontal perforated ring partition overlapping the cross section of adsorber casing, the central part of which has a shape of upward widening conical can, at the bottom of which through holes are provided.
  • a vertical adsorber which contains cylindrical casing with a cover and a bottom.
  • the cover is equipped with the hatch, the union with distribution grid to supply the feed mixture, the union for vapor withdrawal during the desorption and the union for the safety valve.
  • a stiffening ring is provided, and in the middle part of the casing on the support the ring beams with supports are installed, supporting the grate, on which a layer of gravel is laid.
  • the adsorbent layer is located between the gravel layer and the grid, on which there are loads to prevent the adsorbent carry-over during the desorption, and the waste adsorbent is unloaded through the unloading hatch mounted in the casing, and in the bottom there are a bubbler and an inspection hatch with union for condensate withdrawal and water supply.
  • the bubbler has toroidal shape and is fixed on the conical surface of the bottom with the bars (Kochetov's vertical adsorber: pat. 2508932 Rus. Federation. No. 20131 15215/05; appl. 05.04.2013, publ. 10.03.2014).
  • adsorbents with low adsorption activity and selectivity porous polymeric materials, glass, porous rubber, composite materials, wood, stainless steel, titanium alloys, noble metals
  • adsorbent granules are shaped as a cylindrical ring, to the side surface of which two hemispherical surfaces are fastened opposing each other in such a way that the diametric planes of the hemispheres respectively coincide with upper and lower bases of the cylindrical ring, and the top parts of the hemispherical surfaces are on the ring axis and are directed towards each other;
  • liquid particles treat the adsorbent granules, reducing its adsorptive activity, if these particles are of organic origin, during the regeneration of the adsorbent at a high temperature, the adsorbed organic particles will undergo polymerization and polycondensation reactions, which results in the irreversible deactivation of adsorbents during the multicycle operation.
  • the solid particles fully or partially clog the small transport pores between the adsorbent granules, in both cases resulting in an increase of the diffusion resistance during the adsorption and an increase of hydraulic resistance of the adsorbent layer, which is particularly important when using the adsorbent for the purification of exhaust gases at a minimum overpressure. All the reviewed factors result in the decrease of adsorbent activity and the reduction of adsorption stage duration, which impairs the economic performance of adsorption gas purification procedure.
  • the task of invention design was to create an adsorber with fixed adsorbent layer, providing the reliable operation of the device under gas purification conditions, containing solid particles and/or dropping liquid, that can be concentrated in the adsorbent layer and cause its deactivation.
  • the adsorber for gas purification comprising cylindrical body with upper and lower bottoms, one or more layers of adsorbent, each of which is located between lower and upper distribution grids, each of which is placed on the support grates, input unions of gas to be purified and output unions of purified gas, input and output unions of regeneration gas, systems of temperature and pressure sensors, hatches for loading and unloading of the adsorbent, access hatches.
  • Lower distribution grid under the first (in flow direction of the refined raw) adsorbent layer is made of horizontally positioned Johnson grid or of solid or perforated sheet with round holes, the edges of which are associated with the vertical cans made of Johnson grid, and which are buried into the adsorbent layer.
  • Upper distribution grid above the last (in flow direction of the refined raw) adsorbent layer is made of horizontally positioned Johnson grid or of solid or perforated sheet with round holes, the edges of which are associated with vertical cans made of Johnson grid, the bottom of which is made of a solid sheet Johnson grid, and which go out of adsorbent layer limits.
  • Other distribution grates are made of horizontally positioned Johnson grid or of solid or perforated sheet with round holes.
  • Johnson grid is made of metal and is trapezoidal shape wire, attached to the carrier rods with a microscopic gap between the adjacent wires, which makes Johnson grid an universal filtering element for separating solid particles and drops from the gas stream.
  • the microparticles of adsorbent granules held on the inner side of vertical cans made of Johnson grid of upper distribution grid will be returned to the adsorbent layer by regeneration gas stream. It is also preferred that the distribution grids were made dismountable and of perforated sheet with round holes having hole diameter smaller than the diameter of the adsorbent granules.
  • the drainage tank shall be advantageously communicating with the additional union of drain product output equipped with the drain valve mounted on the lower bottom, allowing to withdraw the drain product from the adsorber while accumulating of the drain product in the drainage tank.
  • radar type product level sensor for the drainage tank in lower bottom of the absorber for gas purification, providing the automatic control of drain product release.
  • Figure 1 shows the design of the absorber for gas purification, consisting of one layer of adsorbent and comprising the following elements:
  • 25 - bottom of vertical can made of Johnson grid
  • the adsorber for gas purification according to Figure 1 is a device consisting of cylindrical casing 1 with upper and lower bottoms 2 and 3, adsorbent unloading hatch 11, product level sensors 20, access hatch 12 intended for repair and checks, drain valve 19 and system of temperature and pressure sensors (is not shown in Figure 1).
  • the absorber for gas purification When drying gases, the absorber for gas purification operates in two modes: adsorption mode and desorption mode.
  • the adsorption procedure is carried out as follows: raw mixture (gas to be purified) is supplied via input union of gas to be purified 4 located at lower bottom 3 of the adsorber for gas purification, after its passage through support grate 14, on which lower distribution grid 8 is laid, made of horizontally positioned Johnson grid with vertical cans made of Johnson grid 13, buried into adsorbent layer 10, gas to be purified enters adsorbent layer 10, where the absorption of the components of gas to be purified is carried out, at that, the adsorbent is gradually enriched with the extractable admixture.
  • the trapezoidal shape of the wire which forms Johnson grid, has a larger base, connected with the carrier rods, and a smaller base, facing the incoming flow of gas to be purified. Therefore, solid particles and aerosol drops of the purified gas, as well as adsorbent particles, taken out by the purified gas from adsorbent layer 10, are retained on the inner surface of cans made of Johnson grid 13 located respectively on lower and upper distribution grids 8 and 9.
  • Adsorptive gas purification procedure is carried out until adsorbent layer 10 is enriched to a certain level and the contents of extracted admixtures in the purified gas reaches maximum permissible value - from this moment the adsorption stage is considered completed and the supply of gas to be purified stops.
  • the purified gas is withdrawn through output union of purified gas 5 located at upper bottom 2 of the adsorber for gas purification.
  • the desorption stage will start, comprising the restoration of the adsorbent layer using the regeneration gas.
  • the desorption procedure is carried out as follows: through input union of regeneration gas 6 it is supplied through upper distribution grid 9 and vertical cans made of Johnson grid 13 to adsorbent layer 10.
  • regeneration gas hits solid and drop admixtures retained on the inner surface of vertical cans made of Johnson grid 13 of lower distribution grid 8, then these admixtures are deposited at collectors 15 and moving through the crossflow 16 fall into drainage tank 17, after which the condensate is withdrawn through additional union for drainage product withdrawal 18, and regeneration gas is withdrawn from the unit through output union of regeneration gas 7.
  • regeneration gas e.g., regeneration gas - inert gas
  • Drainage tanks 17 are released through drain valve 19 of additional union for drainage product withdrawal 18 as per the signal of product level sensor 20.
  • Figure 2 shows the structure of the absorber for gas purification, consisting of several layers of adsorbent.
  • the adsorber for gases purification given in Figure 2, operates similarly as the adsorber given in Figure 1.
  • a distinctive feature of the absorber for gas purification with one layer given in Figure 1, is the presence of additional adsorbent unloading hatch 11 and the additional distribution grids: lower distribution grid of adsorbent upper layer 22 and upper distribution grid of adsorbent lower layer 23.
  • Figure 3 shows the arrangement of support grate 14, distribution grid 26 and vertical can made of Johnson grid 13, at that, distribution grid 26 is mounted on support grate 14 and is made of the perforated sheet with round hole for can made of Johnson grid 13, the bottom of which is made of solid sheet.
  • the invention applied provides the solution of how to create the adsorber design with fixed adsorbent layer, providing the reliable operation of the unit under the conditions of gas purification, containing solid particles and/or dropping liquid, that can be concentrated in the adsorbent layer and result in its deactivation.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

L'invention concerne l'équipement de purification par adsorption de gaz à partir de mélanges, en particulier des gaz d'hydrocarbures à partir d'eau, dioxyde de carbone, sulfure d'hydrogène et d'autres composants, et peut être utilisée dans les industries du raffinage de pétrole, du traitement de gaz, chimique et d'autres. L'adsorbeur pour la purification de gaz comprend un corps cylindrique avec des fonds supérieur et inférieur, une ou plusieurs couches d'adsorbant, des réseaux de distribution inférieure et supérieure, dont chacun est placé sur des grilles de support, des raccords d'entrée de gaz à purifier et des raccords de sortie de gaz purifié, des raccords d'entrée et de sortie de gaz de régénération, des systèmes de capteurs de température et de pression, des trappes de chargement et de déchargement de l'adsorbant, des trappes d'accès. Le réseau de distribution inférieur sous la première couche d'adsorbant (dans la direction d'écoulement du brut raffiné) est constitué d'un réseau de Johnson positionné horizontalement ou d'une feuille pleine ou perforée avec des trous ronds, dont les bords sont associés aux boîtes verticales constituées du réseau de Johnson. Le réseau de distribution supérieur au-dessus de la dernière couche d'adsorbant (dans la direction d'écoulement du brut raffiné) est constitué d'une grille de Johnson positionnée horizontalement ou d'une feuille pleine ou perforée avec des trous ronds, dont les bords sont associés aux boîtes verticales constituées du réseau de Johnson.
PCT/RU2015/000260 2014-09-10 2015-04-23 Adsorbeur pour purification de gaz WO2016039664A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2014136822/05A RU2569349C1 (ru) 2014-09-10 2014-09-10 Адсорбер для очистки газов
RU2014136822 2014-09-10

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WO2016039664A1 true WO2016039664A1 (fr) 2016-03-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112191070A (zh) * 2020-09-21 2021-01-08 王永刚 一种活性炭吸附工艺
WO2022121359A1 (fr) * 2020-12-11 2022-06-16 河南平高电气股份有限公司 Appareil de capture de particules et structure de cylindre d'un gis ou d'une gil

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RU2600994C1 (ru) * 2015-12-07 2016-10-27 Олег Савельевич Кочетов Адсорбер для очистки воздуха от паров ртутьсодержащих веществ
RU2627887C1 (ru) * 2016-07-27 2017-08-14 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Аппарат для обработки газа
RU2627808C1 (ru) * 2016-07-27 2017-08-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Устройство для очистки и утилизации дымовых газов крышной котельной
RU191337U1 (ru) * 2019-04-11 2019-08-01 Общество с ограниченной ответственностью "АэроФильтр" Фильтр-адсорбер
RU2768823C1 (ru) * 2021-02-16 2022-03-24 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации Блок комплексной очистки воздуха
CN115155250B (zh) * 2022-06-17 2023-11-14 武汉劲康动力工程有限公司 一种发电机组尾气净化装置及其净化方法

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SU1079272A1 (ru) * 1982-12-20 1984-03-15 Дзержинский филиал Ленинградского научно-исследовательского и конструкторского института химического машиностроения Адсорбер
EP0526343A1 (fr) * 1991-07-31 1993-02-03 L'air Liquide S.A. Adsorbeur à lits d'adsorbants annulaires superposés
US5928588A (en) * 1996-09-10 1999-07-27 Cuno, Incorporated Porous filter structure and process for the manufacture thereof
RU2452550C1 (ru) * 2010-12-03 2012-06-10 Илшат Минуллович Валиуллин Коллектор сбора жидкости для массообменных и сепарационных аппаратов

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RU2530112C2 (ru) * 2012-08-10 2014-10-10 Общество с ограниченной ответственностью "Научно-исследовательский и проектно-конструкторский институт химического машиностроения" (ООО "ЛЕННИИХИММАШ") Адсорбер вертикальный с неподвижным слоем адсорбента

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1079272A1 (ru) * 1982-12-20 1984-03-15 Дзержинский филиал Ленинградского научно-исследовательского и конструкторского института химического машиностроения Адсорбер
EP0526343A1 (fr) * 1991-07-31 1993-02-03 L'air Liquide S.A. Adsorbeur à lits d'adsorbants annulaires superposés
US5928588A (en) * 1996-09-10 1999-07-27 Cuno, Incorporated Porous filter structure and process for the manufacture thereof
RU2452550C1 (ru) * 2010-12-03 2012-06-10 Илшат Минуллович Валиуллин Коллектор сбора жидкости для массообменных и сепарационных аппаратов

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112191070A (zh) * 2020-09-21 2021-01-08 王永刚 一种活性炭吸附工艺
CN112191070B (zh) * 2020-09-21 2022-06-17 浙江冰虫环保科技有限公司 一种活性炭吸附工艺
WO2022121359A1 (fr) * 2020-12-11 2022-06-16 河南平高电气股份有限公司 Appareil de capture de particules et structure de cylindre d'un gis ou d'une gil

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