CN112774416A - Modular active coke adsorption device and working method thereof - Google Patents

Modular active coke adsorption device and working method thereof Download PDF

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Publication number
CN112774416A
CN112774416A CN202011575708.1A CN202011575708A CN112774416A CN 112774416 A CN112774416 A CN 112774416A CN 202011575708 A CN202011575708 A CN 202011575708A CN 112774416 A CN112774416 A CN 112774416A
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active coke
chamber
air
ammonia spraying
gas
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CN202011575708.1A
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孙广明
霍延中
尹华
孙刚森
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Publication of CN112774416A publication Critical patent/CN112774416A/en
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    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76—Gas phase processes, e.g. by using aerosols
    • 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
    • B01D53/06—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 moving adsorbents, e.g. rotating beds
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

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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)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to a modular active coke adsorption device and a working method thereof, wherein the device comprises an active coke channel, an air inlet chamber, an ammonia spraying air chamber and an air outlet chamber which are integrated in the same tower body; in the area between the 2 active coke channels, the lower part is provided with an air inlet chamber, the upper part is provided with a plurality of layers of air outlet chambers along the height direction, the top of the air inlet chamber is provided with an airflow baffle, and the bottom of the air outlet chamber at the lowest layer is provided with an ash collecting plate; the area in the tower above the ash collecting plate is a carbon layer denitration reaction section, the area in the tower between the ash collecting plate and the airflow baffle plate is an ammonia spraying middle section, and the area in the tower below the airflow baffle plate is a carbon layer adsorption section; the outer sides of the 2 active coke channels are respectively provided with a plurality of layers of ammonia spraying air chambers along the height direction. The invention is suitable for desulfurization and denitrification of various coking flue gases, can meet the treatment requirement of the coking flue gas by carrying out structural design according to the characteristics of the coking flue gas, and has the advantages of simple structure, convenient operation and easy maintenance.

Description

Modular active coke adsorption device and working method thereof
Technical Field
The invention relates to the technical field of active coke flue gas adsorption and purification, in particular to a modular active coke adsorption device and a working method thereof.
Background
The activated coke desulfurization and denitrification flue gas purification technology has the advantages of high-efficiency desulfurization, sulfur resource recovery, low-temperature denitrification, no waste solid and wastewater secondary pollution and the like, and has a certain range of popularization and application in the field of heavy-point flue gas treatment such as sintering, boilers and the like.
In the coking flue gas active coke desulfurization and denitrification technology, due to the complex components and large working condition fluctuation of the coking flue gas, the problems of large flue gas volume span and large fluctuation of different pollutant contents of an active coke adsorption structure are solved, and the adsorption structure with reasonable design is the key point of the coking flue gas active coke desulfurization and denitrification.
Disclosure of Invention
The invention provides a modular active coke adsorption device and a working method thereof, which are suitable for desulfurization and denitrification of various coking flue gases, can meet the treatment requirements of the coking flue gases by structural design according to the characteristics of the coking flue gases, and have the advantages of simple structure, convenience in operation and easiness in maintenance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a modular active coke adsorption device comprises an active coke channel, an air inlet chamber, an ammonia spraying air chamber and an air outlet chamber which are integrated in the same tower body; 2 active coke channels are symmetrically arranged in the tower body, an active coke feeding port is arranged at the top of each active coke channel, and a hopper is arranged at the bottom of each active coke channel; in the area between the 2 active coke channels, the lower part is provided with an air inlet chamber, the upper part is provided with a plurality of layers of air outlet chambers along the height direction, the top of the air inlet chamber is provided with an airflow baffle, and the bottom of the air outlet chamber at the lowest layer is provided with an ash collecting plate; the ash collecting plate and the airflow baffle are arranged at a certain distance, the area in the tower above the ash collecting plate is a carbon layer denitration reaction section, the area in the tower between the ash collecting plate and the airflow baffle is an ammonia spraying middle section, and the area in the tower below the airflow baffle is a carbon layer adsorption section; the outer sides of the 2 active coke channels are respectively provided with a plurality of ammonia spraying air chambers along the height direction, each ammonia spraying air chamber and each air outlet chamber are arranged in a one-to-one correspondence manner, and an ammonia spraying pipe is arranged in the ammonia spraying air chamber corresponding to the middle section of ammonia spraying; corresponding to the carbon layer denitration reaction section and the carbon layer adsorption section, the side wall of the active coke channel is a material blocking and air permeable wall; the side wall of the active coke channel is a material-blocking gas-blocking wall corresponding to the middle section of the ammonia-spraying channel; the air outlet chambers of all layers and the ammonia spraying chambers of all layers are separated by the ventilating platform.
The active coke feeding port is connected with the material distribution bin above through a corresponding connecting pipeline, and the feeding port at the top of the material distribution bin is provided with a manual valve and a top discharge valve respectively.
The top of the uppermost air outlet chamber is provided with an air outlet, and an air outlet electric valve is arranged at the air outlet; an air inlet is formed in the bottom of the air inlet chamber, and an electric valve of the air inlet is formed in the air inlet.
And a middle ventilating plate is arranged in the middle of the active coke channel along the height direction.
The dust collecting plate is of a V-shaped structure, and a dust discharging hole is formed in the bottom of the dust collecting plate.
And the bottom of the ammonia spraying pipe is provided with a plurality of ammonia spraying holes.
The hopper is the toper hopper, and the top of hopper links to each other with the bottom of tower body, and the bottom discharge valve is established to the bottom of hopper, and bottom discharge valve adopts variable frequency speed governing.
The material blocking and air permeable wall and the middle air permeable plate are one or a combination of more than one of a louver plate, a fish grain mesh and a honeycomb pore plate; the material blocking and air blocking wall is a steel plate; the ventilating platform is a grating plate.
And each layer of the gas outlet chamber and each layer of the ammonia spraying gas chamber are respectively provided with an access door on the side wall of the tower body above the corresponding ventilating platform.
The working method of the modular active coke adsorption device comprises the following steps:
1) after the top discharge valve is opened, the active coke sequentially passes through the manual valve, the material distribution bin, the connecting pipeline and the active coke feeding port and then enters the corresponding active coke channel; in 2 active coke channels, the active coke flows from top to bottom and is discharged through a bottom discharge valve; a material level meter is arranged in the material distribution bin, and a top discharge valve and the material level meter are controlled in an interlocking manner; the bottom discharge valve adopts frequency conversion speed regulation to respectively control the flowing speed of the active coke in the corresponding active coke channel;
2) the flue gas enters the air inlet chamber through the electric valve at the air inlet, passes through the material blocking and ventilating wall and enters an active coke channel of the carbon layer adsorption section under the action of the airflow baffle, passes through the carbon layer consisting of active coke and then enters the lowest ammonia spraying air chamber; under the action of pressure, the flue gas is mixed with ammonia gas sprayed by an ammonia spraying pipe, and then the airflow flows from bottom to top to pass through each layer of ammonia spraying air chambers; the smoke in each layer of ammonia spraying gas chamber is divided into two paths, one path of smoke upwards passes through the corresponding ventilating platform and enters the ammonia spraying gas chamber on the upper layer, the other path of smoke inwards passes through the active coke channel and enters the corresponding gas outlet chamber, and the smoke in the gas outlet chamber passes through each layer of ventilating platform and flows from bottom to top; finally, the flue gas is collected in the uppermost outlet chamber and then is discharged through the electric valve at the air outlet;
3) active coke particles carried by the flue gas flowing in the gas outlet chamber fall downwards into the ash collecting plate and are discharged outside through the ash discharging holes;
4) the bottom of the active coke channel and the outer side of the top of the hopper form a thick material layer through active coke accumulation, so that the flue gas in the gas inlet chamber is prevented from directly entering the ammonia spraying gas chamber without passing through the carbon layer; meanwhile, active coke dust particles carried by smoke in the ammonia spraying gas chamber and the air inlet chamber can fall into the hopper.
Compared with the prior art, the invention has the beneficial effects that:
1) the tower body is internally divided into a carbon layer adsorption section, an ammonia spraying middle section and a carbon layer denitration reaction section from bottom to top, so that different reaction processes can be conveniently controlled;
2) the bottom of the active coke channel and the outer side of the top of the hopper form a thick material layer through active coke accumulation, an air inlet chamber and an ammonia spraying chamber are effectively separated, meanwhile, the air flow is ensured to pass through, and dust particles in the ammonia spraying chamber can be discharged;
3) the bottom discharge valve adopts frequency conversion speed regulation to meet the requirement of respectively regulating the flow speeds of the active coke in different active coke channels;
4) the problems of large flue gas volume span and large fluctuation of different pollutant contents of the coke oven are effectively solved.
Drawings
FIG. 1 is a schematic structural diagram I of a modular activated coke adsorption device according to the present invention.
FIG. 2 is a schematic structural diagram II of a modular activated coke adsorption device according to the present invention.
In the figure: i, a carbon layer denitration reaction section II, an ammonia spraying middle section III, a carbon layer adsorption section 1, an air inlet chamber 2, an ammonia spraying chamber 3, an air outlet chamber 4, a top discharge valve 5, a hand valve 6, a material distribution bin 7, a connecting pipeline 8, an activated coke feeding port 9, an air outlet electric valve 10, a material blocking and air permeable wall 11, an air permeable platform 12, a middle air permeable plate 13, an ash collecting plate 14, an ash discharging hole 15, a material blocking and air permeable wall 16, an ammonia spraying pipe 17, an air flow baffle 18, an air inlet electric valve 19, a tower body 20, a hopper 21, a bottom discharge valve 22 and an access door 22
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, the modular active coke adsorption device of the present invention comprises an active coke channel, an inlet chamber 1, an ammonia injection chamber 2 and an outlet chamber 3 integrated in the same tower body 19; 2 active coke channels are symmetrically arranged in the tower body 19, an active coke feeding port 8 is arranged at the top of each active coke channel, and a hopper 20 is arranged at the bottom of each active coke channel; in the area between 2 active coke channels, the lower part is provided with an air inlet chamber 1, the upper part is provided with a plurality of layers of air outlet chambers 3 along the height direction, the top of the air inlet chamber 1 is provided with an airflow baffle 17, and the bottom of the air outlet chamber 3 at the lowest layer is provided with an ash collecting plate 13; the ash collecting plate 13 and the airflow baffle 17 are arranged at a certain distance, the area in the tower above the ash collecting plate 13 is a carbon layer denitration reaction section I, the area in the tower between the ash collecting plate 13 and the airflow baffle 17 is an ammonia spraying middle section II, and the area in the tower below the airflow baffle 17 is a carbon layer adsorption section III; the outer sides of the 2 active coke channels are respectively provided with a plurality of ammonia spraying gas chambers 2 along the height direction, each ammonia spraying gas chamber 2 and each gas outlet chamber 3 are arranged in a one-to-one correspondence manner, and an ammonia spraying pipe 16 is arranged in the ammonia spraying gas chamber 2 corresponding to the ammonia spraying middle section II; corresponding to the carbon layer denitration reaction section I and the carbon layer adsorption section III, the side wall of the active coke channel is a material blocking and air permeable wall 10; the side wall of the active coke channel corresponding to the middle section II of the ammonia spraying channel is a material blocking and gas blocking wall 15; the air outlet chambers 3 and the ammonia spraying chambers 2 are separated by the ventilating platform 11.
The active coke feeding port 8 is connected with the upper distribution bin 6 through a corresponding connecting pipeline 7, and the feeding port at the top of the distribution bin 6 is provided with a manual valve 5 and a top discharge valve 4 respectively.
The top of the uppermost air outlet chamber 3 is provided with an air outlet, and an air outlet electric valve 9 is arranged at the air outlet; the bottom of the air inlet chamber 1 is provided with an air inlet, and the air inlet is provided with an air inlet electric valve 18.
And a middle ventilating plate 12 is arranged in the middle of the active coke channel along the height direction.
The dust collecting plate 13 is of a V-shaped structure, and the bottom of the dust collecting plate is provided with a dust discharging hole 14.
The bottom of the ammonia spraying pipe 16 is provided with a plurality of ammonia spraying holes.
Hopper 20 is the toper hopper, and the top of hopper 20 links to each other with the bottom of tower body 19, and bottom discharge valve 21 is established to the bottom of hopper 20, and bottom discharge valve 21 adopts variable frequency speed governing.
The material blocking and air permeable wall 10 and the middle air permeable plate 12 are one or a combination of more than one of louver boards, fish grain hole nets and honeycomb hole plates; the material blocking and air blocking wall 15 is a steel plate; the ventilating platform 11 is a grating plate.
As shown in fig. 2, each layer of outlet chamber 3 and each layer of ammonia spraying chamber 2 are respectively provided with an access door 22 on the side wall of the tower body 19 above the corresponding ventilating platform 11.
The working method of the modular active coke adsorption device comprises the following steps:
1) after the top discharge valve 4 is opened, the active coke sequentially passes through the manual valve 5, the material distribution bin 6, the connecting pipeline 7 and the active coke feeding port 8 and then enters the corresponding active coke channel; in the 2 active coke channels, the active coke flows from top to bottom and is discharged through a bottom discharge valve 21; a material level meter is arranged in the material distribution bin 6, and the top discharge valve 4 and the material level meter are controlled in an interlocking mode; the bottom discharge valve 21 adopts frequency conversion speed regulation to respectively control the flowing speed of the active coke in the corresponding active coke channel;
2) the flue gas enters the air inlet chamber 1 through the air inlet electric valve 18, passes through the material blocking and air permeable wall 10 under the action of the airflow baffle 17, enters an active coke channel of the carbon layer adsorption section III, passes through a carbon layer consisting of active coke and then enters the ammonia spraying air chamber 2 at the lowest layer; under the action of pressure, the flue gas is mixed with ammonia gas sprayed by the ammonia spraying pipe 16, and then the airflow flows from bottom to top through the ammonia spraying air chambers 2 of all layers; the smoke in each layer of the ammonia spraying gas chamber 2 is divided into two paths, one path of the smoke upwards passes through the corresponding ventilating platform 11 and enters the ammonia spraying gas chamber 2 in the upper layer, the other path of the smoke inwards passes through the active coke channel and enters the corresponding gas outlet chamber 3, and the smoke in the gas outlet chamber 3 passes through the ventilating platform 11 in each layer and flows from bottom to top; finally, the flue gas is collected in the uppermost outlet chamber 3 and then is discharged through the electric valve 9 of the air outlet;
3) active coke particles carried by the flue gas flowing in the gas outlet chamber 3 fall downwards into the ash collecting plate 13 and are discharged out through the ash discharging holes 14;
4) the bottom of the active coke channel and the outer side of the top of the hopper 20 form a thick material layer through active coke accumulation, so that the flue gas in the gas inlet chamber 1 is prevented from directly entering the ammonia spraying gas chamber 2 without passing through a carbon layer; meanwhile, active coke dust particles carried by the flue gas in the ammonia spraying gas chamber 2 and the gas inlet chamber 1 can fall into the hopper 20.
The material blocking gas permeable wall 10 serves to block the passage of the active coke particles while allowing the passage of the gas flow.
The bottom of the ammonia spraying pipe 16 is provided with the ammonia spraying hole, so that ammonia gas and flue gas can be mixed more uniformly, dust is not easily gathered at the ammonia spraying hole, and the possibility of material blockage is reduced.
Ventilative platform 11 is regarded as simultaneously and overhauls the platform, with the cooperation of access door 22, makes things convenient for maintainer business turn over and operation, and ventilative platform 11 plays the effect of horizontal support to active burnt passageway, adopts the grid board to make, can satisfy the air current circulation requirement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A modular active coke adsorption device is characterized by comprising an active coke channel, an air inlet chamber, an ammonia spraying air chamber and an air outlet chamber which are integrated in the same tower body; 2 active coke channels are symmetrically arranged in the tower body, an active coke feeding port is arranged at the top of each active coke channel, and a hopper is arranged at the bottom of each active coke channel; in the area between the 2 active coke channels, the lower part is provided with an air inlet chamber, the upper part is provided with a plurality of layers of air outlet chambers along the height direction, the top of the air inlet chamber is provided with an airflow baffle, and the bottom of the air outlet chamber at the lowest layer is provided with an ash collecting plate; the ash collecting plate and the airflow baffle are arranged at a certain distance, the area in the tower above the ash collecting plate is a carbon layer denitration reaction section, the area in the tower between the ash collecting plate and the airflow baffle is an ammonia spraying middle section, and the area in the tower below the airflow baffle is a carbon layer adsorption section; the outer sides of the 2 active coke channels are respectively provided with a plurality of ammonia spraying air chambers along the height direction, each ammonia spraying air chamber and each air outlet chamber are arranged in a one-to-one correspondence manner, and an ammonia spraying pipe is arranged in the ammonia spraying air chamber corresponding to the middle section of ammonia spraying; corresponding to the carbon layer denitration reaction section and the carbon layer adsorption section, the side wall of the active coke channel is a material blocking and air permeable wall; the side wall of the active coke channel is a material-blocking gas-blocking wall corresponding to the middle section of the ammonia-spraying channel; the air outlet chambers of all layers and the ammonia spraying chambers of all layers are separated by the ventilating platform.
2. The modular active coke adsorption device of claim 1, wherein the active coke inlet is connected to the upper distribution bin through a corresponding connecting pipe, and a manual valve and a top discharge valve are respectively arranged at the inlet at the top of the distribution bin.
3. The modular activated coke adsorption device of claim 1, wherein an air outlet is provided at the top of the uppermost air outlet chamber, and an electric valve is provided at the air outlet; an air inlet is formed in the bottom of the air inlet chamber, and an electric valve of the air inlet is formed in the air inlet.
4. The modular activated coke adsorption unit of claim 1, wherein the activated coke channel is provided with a middle gas permeable plate in the middle along the height direction.
5. The modular activated coke adsorption unit of claim 1, wherein the ash collection plate is a V-shaped structure with an ash discharge hole at the bottom.
6. The modular activated coke adsorption unit of claim 1, wherein the bottom of the ammonia injection tube is provided with a plurality of ammonia injection holes.
7. The modular activated coke adsorption unit of claim 1, wherein the hopper is a conical hopper, the top of the hopper is connected to the bottom of the tower, the bottom of the hopper is provided with a bottom discharge valve, and the bottom discharge valve is controlled by variable frequency speed.
8. The modular active coke adsorption device of claim 1, wherein the material blocking and air permeable wall and the middle air permeable plate are one or more of a louver plate, a fish-grain mesh and a honeycomb pore plate; the material blocking and air blocking wall is a steel plate; the ventilating platform is a grating plate.
9. The modular activated coke adsorption unit of claim 1, wherein each layer of gas outlet chamber and each layer of ammonia injection chamber are provided with access doors on the tower body side wall above the corresponding gas permeable platform.
10. The method for operating the modular activated coke adsorption unit according to any one of claims 1 to 9, comprising:
1) after the top discharge valve is opened, the active coke sequentially passes through the manual valve, the material distribution bin, the connecting pipeline and the active coke feeding port and then enters the corresponding active coke channel; in 2 active coke channels, the active coke flows from top to bottom and is discharged through a bottom discharge valve; a material level meter is arranged in the material distribution bin, and a top discharge valve and the material level meter are controlled in an interlocking manner; the bottom discharge valve adopts frequency conversion speed regulation to respectively control the flowing speed of the active coke in the corresponding active coke channel;
2) the flue gas enters the air inlet chamber through the electric valve at the air inlet, passes through the material blocking and ventilating wall and enters an active coke channel of the carbon layer adsorption section under the action of the airflow baffle, passes through the carbon layer consisting of active coke and then enters the lowest ammonia spraying air chamber; under the action of pressure, the flue gas is mixed with ammonia gas sprayed by an ammonia spraying pipe, and then the airflow flows from bottom to top to pass through each layer of ammonia spraying air chambers; the smoke in each layer of ammonia spraying gas chamber is divided into two paths, one path of smoke upwards passes through the corresponding ventilating platform and enters the ammonia spraying gas chamber on the upper layer, the other path of smoke inwards passes through the active coke channel and enters the corresponding gas outlet chamber, and the smoke in the gas outlet chamber passes through each layer of ventilating platform and flows from bottom to top; finally, the flue gas is collected in the uppermost outlet chamber and then is discharged through the electric valve at the air outlet;
3) active coke particles carried by the flue gas flowing in the gas outlet chamber fall downwards into the ash collecting plate and are discharged outside through the ash discharging holes;
4) the bottom of the active coke channel and the outer side of the top of the hopper form a thick material layer through active coke accumulation, so that the flue gas in the gas inlet chamber is prevented from directly entering the ammonia spraying gas chamber without passing through the carbon layer; meanwhile, active coke dust particles carried by smoke in the ammonia spraying gas chamber and the air inlet chamber can fall into the hopper.
CN202011575708.1A 2020-12-28 2020-12-28 Modular active coke adsorption device and working method thereof Pending CN112774416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011575708.1A CN112774416A (en) 2020-12-28 2020-12-28 Modular active coke adsorption device and working method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011575708.1A CN112774416A (en) 2020-12-28 2020-12-28 Modular active coke adsorption device and working method thereof

Publications (1)

Publication Number Publication Date
CN112774416A true CN112774416A (en) 2021-05-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011575708.1A Pending CN112774416A (en) 2020-12-28 2020-12-28 Modular active coke adsorption device and working method thereof

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