CN218281020U

CN218281020U - Waste gas purification treatment system

Info

Publication number: CN218281020U
Application number: CN202222725017.6U
Authority: CN
Inventors: 彭爱国; 姚必胜; 张小成; 朱侃
Original assignee: Hubei Aiguo Petrochemical Co ltd
Current assignee: Hubei Aiguo Petrochemical Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-01-13
Anticipated expiration: 2032-10-15

Abstract

A waste gas purification treatment system comprises a filtering device, an adsorption device and a catalytic device, wherein the filtering device comprises a filtering shell (1), a pair of plate filters (2), a group of middle-effect bag filters (3) and a high-efficiency bag filter (4), one end of the filtering shell (1) is provided with an air inlet, an adapter (5) is arranged at the outlet of the air inlet, the other end of the filtering shell (1) is provided with an air outlet, the pair of plate filters (2) are arranged in the filtering shell (1) in a mirror image distribution manner, and the pair of plate filters (2) form a V-shaped filtering part; the advantages are that: the filter has the advantages of high filtering speed, quick filter replacement and good filtering effect. Granular activated carbon and honeycomb activated carbon are adopted for simultaneous adsorption, the activated carbon is convenient to replace, and the labor intensity of workers is reduced. The waste heat of the reacted gas can be fully utilized, the waste gas is completely combusted, the energy is saved, and the effective removal rate of the waste gas is high.

Description

Waste gas purification treatment system

Technical Field

The utility model relates to an exhaust-gas treatment equipment field, concretely relates to exhaust purification processing system.

Background

Clean production is now a new and inventive idea that continuously applies the environmental strategy of total prevention to production processes, products and services to increase ecological efficiency and reduce human and environmental risks. Aiming at the production characteristics of enterprises, the implementation of clean production is an effective means for improving the waste gas treatment effect, and on one hand, the problem of emission of a large amount of pollutants can be solved, and the pollutants are reduced from the source. On the other hand, the loss of useful chemical raw materials is reduced, and economic benefits are obtained. The most important is to improve the production process of enterprises through technical transformation in the process of clean production. On the mineral oil waste treatment line, there is waste gas production, and current filtration equipment filter effect speed is slower, and the defect of difficulty is changed to the filter, and ordinary active carbon adsorption case is because the active carbon plasticity is poor, and the plane is makeed into more to the active carbon adsorption layer, and the box spatial arrangement utilization ratio is not high, and total adsorption area is little, and the active carbon is changed inconveniently. The waste gas after the active carbon adsorption needs to be heated to the combustion reaction temperature through the heater, then is sent to the catalyst converter to react, forms carbon dioxide and water, and current waste gas catalytic combustion device lacks heat reutilization device, and the heat waste is more, and the reaction is not enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above insufficiency and provide a waste gas purification treatment system.

The utility model comprises a filtering device, an adsorption device and a catalyzing device,

the filtering device comprises a filtering shell, a pair of plate filters, a group of middle-effect bag filters and high-effect bag filters,

the high-efficiency bag type filter comprises a filter shell, a filter body, a pair of plate filters, a group of middle-efficiency bag type filters, a group of high-efficiency bag type filters, a pair of high-efficiency bag type filters and a pair of filter bag type filters, wherein one end of the filter shell is provided with an air inlet, the outlet of the air inlet is provided with an adapter, the other end of the filter shell is provided with an air outlet, the pair of plate filters are arranged in the filter shell in a mirror image manner, the pair of plate filters form a V-shaped filter part, the group of middle-efficiency bag type filters are sequentially arranged and fixed in the filter shell from top to bottom, the high-efficiency bag type filters are arranged in the filter shell, and the group of middle-efficiency bag type filters are positioned between the pair of plate filters and the high-efficiency bag type filters;

the adsorption device comprises an adsorption shell, an active carbon laying box, a honeycomb bearing plate and a group of honeycomb active carbons,

the honeycomb loading plate is arranged in the adsorption shell and positioned above the activated carbon laying box, a plurality of groups of air vents are arranged on the honeycomb loading plate, a group of activated carbon limiting grooves are sequentially arranged on the honeycomb loading plate, and a group of honeycomb activated carbons are placed in the corresponding activated carbon limiting grooves;

the catalytic device comprises a gas heat exchanger, an electric heater, a catalytic reactor and a fan,

one end of the gas heat exchanger is provided with a gas inlet, a flame arrester is arranged on the gas inlet, the other end of the gas heat exchanger is provided with a gas outlet, the gas outlet of the gas heat exchanger is communicated with a gas inlet on the shell of the electric heater through a pipeline, the gas outlet of the electric heater is communicated with a gas inlet at the bottom of the catalytic reactor, the gas outlet at the upper part of the catalytic reactor is communicated with a gas inlet at the top of the gas heat exchanger through a pipeline, the gas outlet of the gas heat exchanger is communicated with an extraction opening of the fan through a pipeline, and the gas outlet of the fan is provided with an exhaust pipeline;

the gas outlet of the filtering shell is communicated with the gas inlet of the adsorption shell, and the gas outlet of the adsorption shell is communicated with the gas inlet of the gas heat exchanger.

The one end of adapter is the rectangle, and the other end of adapter is circular, strains to be provided with the rectangle flange on the air inlet of casing, and the bolt fastening is passed through on the rectangle flange to the one end of adapter.

The filter plate is characterized by further comprising a V-shaped fixing plate and a pair of inclined insertion fixing plates, wherein filter insertion grooves are formed in two ends of the V-shaped fixing plate respectively, filter insertion grooves are formed in the bottoms of the inclined insertion fixing plates, and plate type filters are inserted into the filter insertion grooves of the V-shaped fixing plate and the inclined insertion fixing plates.

A supporting beam is arranged between two adjacent medium-effect bag filters, filter slots are respectively formed in the upper portion and the lower portion of the supporting beam, filter limiting grooves are respectively formed in the inner top and the inner bottom of the filtering shell, and the medium-effect bag filters are arranged in the filter slots and the filter limiting grooves of the supporting beam.

The high-efficiency bag filter is arranged in the filter shell through the filter bracket; the filter shell consists of a primary filter section and a fine filter section, and the cross sectional area of the fine filter section is smaller than that of the primary filter section; the filtering shell is a rectangular shell; and the filter shell on one side of the plate filter, the middle-effect bag filter and the high-effect bag filter is respectively provided with a sealing access door.

An access door is arranged on the side wall of the adsorption shell; drawer slide rails are respectively arranged on two sides of the active carbon laying box and are installed in the adsorption shell through the drawer slide rails, and a drawer handle is arranged at the end part of the active carbon laying box; the honeycomb bearing plate is provided with drawer slide rails on two sides respectively, and is arranged in the adsorption shell through the drawer slide rails, and the end part of the honeycomb bearing plate is provided with a drawer handle.

The active carbon limiting groove comprises four side plates, a pair of long circular holes are formed in the side plates, and the active carbon limiting groove is welded on the honeycomb bearing plate.

The air permeable net is a stainless steel sintered net plate; pneumatic gate valves are respectively arranged on the air outlet and the air inlet of the adsorption shell; the top and the bottom of the adsorption shell are both in a circular truncated cone shape; the bottom of the adsorption shell is provided with a support frame.

The flame arrester is a dust-removing flame arrester, and the dust-removing flame arrester is connected with an air inlet flange of the gas heat exchanger; the electric heater comprises a cylinder and a group of electric heating pipes, wherein the group of electric heating pipes are sequentially arranged and installed on a pipe seat, the group of electric heating pipes are inserted into the cylinder, and the pipe seat is hermetically installed at the end part of the cylinder; the gas heat exchanger comprises a tank body, a pair of end sockets, a group of heat exchange pipelines and a pair of clamps, wherein two ends of the tank body are open, pipeline fixing plates are arranged in the open ends respectively, the group of heat exchange pipelines are arranged between the pair of pipeline fixing plates, and the tank body and the pair of end sockets are connected through flanges respectively and locked through the clamps.

A group of guide bulges are uniformly distributed on the inner wall of the tank body in a ring shape, and a group of guide grooves matched with the guide bulges are arranged on the end enclosure; the fan is a centrifugal exhaust fan; a group of baffle plates are sequentially arranged in the gas heat exchanger; the inlet end of the flame arrester is provided with a valve.

The utility model has the advantages that: the filter has the advantages of high filtering speed, quick filter replacement and good filtering effect. The granular activated carbon and the honeycomb activated carbon are adopted for simultaneous adsorption, the activated carbon is convenient to replace, and the labor intensity of workers is reduced. The waste heat of the reacted gas can be fully utilized, the waste gas is completely combusted, the energy is saved, and the effective removal rate of the waste gas is high.

Description of the drawings

Fig. 1 is a schematic sectional view of the filtering device of the present invention.

Fig. 2 is a schematic structural view of the filter housing of the hidden part of the filter device of the present invention.

Fig. 3 is a schematic structural diagram of the plate filter of the present invention.

Fig. 4 is a schematic structural diagram of the adsorption device of the present invention.

Fig. 5 is a schematic structural view of the adsorption casing of the hidden part of the adsorption device of the present invention.

Fig. 6 is a schematic diagram of the explosion structure of the adsorption device of the present invention.

Fig. 7 is a schematic structural view of the catalytic device of the present invention.

Fig. 8 is a schematic structural diagram of the gas heat exchanger of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when using, the present invention is only used for convenience of description and simplification of the description, but does not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and thus, the present invention should not be construed as being limited. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance. In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

As shown in the attached drawing, the utility model comprises a filtering device, an adsorption device and a catalytic device,

the filtering device comprises a filtering shell 1, a pair of plate filters 2, a group of medium-efficiency bag filters 3 and high-efficiency bag filters 4,

an air inlet is formed in one end of a filter shell 1, an adapter 5 is arranged at the outlet of the air inlet, an air outlet is formed in the other end of the filter shell 1, a pair of plate filters 2 are arranged in the filter shell 1 in a mirror image manner, the plate filters 2 form a V-shaped filter part, a group of medium-efficiency bag filters 3 are sequentially arranged and fixed in the filter shell 1 from top to bottom, a high-efficiency bag filter 4 is arranged in the filter shell 1, and the group of medium-efficiency bag filters 3 are positioned between the plate filters 2 and the high-efficiency bag filter 4;

the adsorption device comprises an adsorption shell 20, an active carbon laying box 21, a honeycomb bearing plate 22 and a group of honeycomb active carbons 23,

the top of the adsorption shell 20 is provided with an air outlet, the bottom of the adsorption shell 20 is provided with an air inlet, the activated carbon laying box 21 is installed in the adsorption shell 20, the bottom of the activated carbon laying box 21 is provided with a breathable net, an activated carbon particle layer is laid on the breathable net, the honeycomb bearing plate 22 is installed in the adsorption shell 20 and located above the activated carbon laying box 21, a plurality of groups of air holes are formed in the honeycomb bearing plate 22, a group of activated carbon limiting grooves 24 are sequentially arranged on the honeycomb bearing plate 22, and a group of honeycomb activated carbons 23 are placed in the corresponding activated carbon limiting grooves 24;

the catalytic device comprises a gas heat exchanger 30, an electric heater 31, a catalytic reactor 32 and a fan 33,

one end of the gas heat exchanger 30 is provided with a gas inlet, a flame arrester 34 is arranged on the gas inlet, the other end of the gas heat exchanger 30 is provided with a gas outlet, the gas outlet of the gas heat exchanger 30 is communicated with the gas inlet on the shell of the electric heater 31 through a pipeline, the gas outlet of the electric heater 31 is communicated with the gas inlet at the bottom of the catalytic reactor 32, the gas outlet at the upper part of the catalytic reactor 32 is communicated with the gas inlet at the top of the gas heat exchanger 30 through a pipeline, the gas outlet of the gas heat exchanger 30 is communicated with the extraction opening of the fan 33 through a pipeline, and the gas outlet of the fan 33 is provided with an exhaust pipeline;

the air outlet of the filtering shell 1 is communicated with the air inlet of the adsorption shell 20, and the air outlet of the adsorption shell 20 is communicated with the air inlet of the gas heat exchanger 30.

The one end of adapter 5 is the rectangle, and the other end of adapter 5 is circular, is provided with the rectangle flange on straining the air inlet of casing 1, and the bolt fastening is passed through on the rectangle flange to the one end of adapter 5.

The filter plate is characterized by further comprising a V-shaped fixing plate 10 and a pair of inclined insertion fixing plates 6, wherein filter insertion grooves are formed in two ends of the V-shaped fixing plate 10 respectively, filter insertion grooves are formed in the bottoms of the inclined insertion fixing plates 6, and the plate type filters 2 are inserted into the filter insertion grooves of the V-shaped fixing plate 10 and the inclined insertion fixing plates 6.

A supporting beam 7 is arranged between two adjacent medium-effect bag filters 3, filter slots are formed in the upper portion and the lower portion of the supporting beam 7 respectively, filter limiting grooves 8 are formed in the inner top portion and the inner bottom portion of the filtering shell 1 respectively, and the medium-effect bag filters 3 are installed in the filter slots of the supporting beam 7 and the filter limiting grooves 8.

The high-efficiency bag filter 4 is arranged in the filtering shell 1 through a filter bracket; the filter housing 1 is composed of a primary filter segment and a fine filter segment, the cross-sectional area of the fine filter segment is smaller than that of the primary filter segment; the filtering shell 1 is a rectangular shell; and the filtering shell 1 at one side of the plate type filter 2, the middle-effect bag type filter 3 and the high-effect bag type filter 4 is respectively provided with a sealing access door.

An access door 25 is arranged on the side wall of the adsorption shell 20; drawer slide rails are respectively arranged on two sides of the activated carbon laying box 21 and are installed in the adsorption shell 20 through the drawer slide rails, and a drawer handle is arranged at the end part of the activated carbon laying box 21; drawer slide rails are respectively arranged on two sides of the honeycomb bearing plate 22 and are installed in the adsorption shell 20 through the drawer slide rails, and a drawer handle is arranged at the end part of the honeycomb bearing plate 22.

The activated carbon limiting groove 24 is composed of four side plates, a pair of oblong holes are formed in the side plates, and the activated carbon limiting groove 24 is welded on the honeycomb bearing plate 22.

The air permeable net is a stainless steel sintered net plate; pneumatic gate valves are respectively arranged on the air outlet and the air inlet of the adsorption shell 20; the top and the bottom of the adsorption casing 20 are both in a truncated cone shape; the bottom of the adsorption casing 20 is provided with a support frame.

The flame arrestor 34 is a dust removal flame arrestor that is flanged to the gas inlet of the gas heat exchanger 30; the electric heater 31 comprises a cylinder and a group of electric heating pipes, wherein the group of electric heating pipes are sequentially arranged and installed on a pipe seat, the group of electric heating pipes are inserted into the cylinder, and the pipe seat is hermetically installed at the end part of the cylinder; the gas heat exchanger 30 comprises a tank 35, a pair of end sockets 36, a group of heat exchange pipes and a pair of clamps 38, wherein two ends of the tank 35 are open, pipe fixing plates 39 are respectively arranged in the open ends, the group of heat exchange pipes are arranged between the pair of pipe fixing plates 39, and the tank 35 and the pair of end sockets 36 are respectively connected through flanges and locked through the clamps 38.

A group of guide bulges are uniformly distributed on the inner wall of the tank body 35 in a ring shape, and a group of guide grooves matched with the guide bulges are arranged on the end socket 36; the fan 33 is a centrifugal blower; a group of baffle plates are sequentially arranged in the gas heat exchanger 30; the inlet end of the flame arrestor 34 is provided with a valve.

The working mode and principle are as follows: waste gas that produces on the waste mineral oil treatment line is in getting into filtering casing 1 by adapter 5 after spraying the washing filtration, gets into a set of well effect bag filter 3 after earlier through 2 prefiltering of a pair of plate filter and filters in, and the filter gets into high efficiency bag filter 4 after 3 filtration of well effect bag filter and filters, and the gas after high efficiency filter filters gets into activated carbon adsorption device. The exhaust gas entering the filter housing 1 is branched by the V-shaped fixing plate 10 and then filtered by the pair of plate filters 2. The plate type filter 2 is inserted between the V-shaped fixing plate 10 and the inclined insertion fixing plate 6, and is convenient to insert and pull. The filtering shell 1 is composed of a primary filtering section and a fine filtering section, the cross section area of the fine filtering section is smaller than that of the primary filtering section, gas enters the fine filtering section from the primary filtering section, the caliber of the air channel is reduced, and therefore the air pressure when entering the fine filtering section is increased, and after the air pressure is increased, the air can pass through the filter with the larger air resistance more easily.

Waste gas after filter device filters is by the air inlet input of adsorbing casing 20 bottom, and the ventilative net of box 21 bottom is laid to the active carbon, send to the active carbon grained layer and adsorb for the first time, and waste gas after the absorption rises to honeycomb loading board 22 department, sees through the bleeder vent and is adsorbed by 23 secondary honeycombed activated carbon, and the waste gas that the absorption was accomplished is discharged to next processing station by the gas outlet at adsorbing casing 20 top. When the active carbon needs to be replaced, the access door 25 is opened, the drawer handle is pulled, the active carbon laying box 21 and the honeycomb bearing plate 22 are pulled out, and the active carbon particle layer and the honeycomb active carbon 23 can be taken out. The active carbon limiting groove 24 plays a role in assisting in placing the active carbon, and the space utilization rate of the honeycomb active carbon 23 is improved.

An organic gas source is fed from the inlet end of the flame arrester 34 under the action of a draught fan, dedusted by the dedusting flame arrester, enters the gas heat exchanger 30, is fed into the electric heater 31 for heating, reaches the combustion reaction temperature, enters the catalytic reactor 32 for catalytic reaction, is decomposed into carbon dioxide and water, and enters the gas heat exchanger 30 for heat exchange with low-temperature gas after the reaction is finished, so that the temperature of the entering gas is raised to reach the reaction temperature. If the reaction temperature is not reached, the electric heater 31 can compensate heating to completely burn the waste gas, so that energy is saved and the waste gas reaches the emission standard. A group of guide bulges are uniformly distributed on the inner wall of the tank body 35 in an annular shape, and a group of guide grooves matched with the guide bulges are arranged on the end socket 36. The seal head 36 is more accurately installed.

Claims

1. A waste gas purification treatment system is characterized by comprising a filtering device, an adsorption device and a catalytic device,

the filtering device comprises a filtering shell (1), a pair of plate filters (2), a group of medium-efficiency bag filters (3) and a high-efficiency bag filter (4),

an air inlet is formed in one end of the filtering shell (1), an adapter (5) is arranged at the outlet of the air inlet, an air outlet is formed in the other end of the filtering shell (1), the plate filters (2) are arranged in the filtering shell (1) in a mirror image manner, the plate filters (2) form a V-shaped filtering part, a group of medium-efficiency bag filters (3) are sequentially arranged and fixed in the filtering shell (1) from top to bottom, the high-efficiency bag filters (4) are arranged in the filtering shell (1), and the medium-efficiency bag filters (3) are located between the plate filters (2) and the high-efficiency bag filters (4);

the adsorption device comprises an adsorption shell (20), an active carbon laying box (21), a honeycomb bearing plate (22) and a group of honeycomb active carbons (23),

the top of the adsorption shell (20) is provided with an air outlet, the bottom of the adsorption shell (20) is provided with an air inlet, an activated carbon laying box (21) is installed in the adsorption shell (20), the bottom of the activated carbon laying box (21) is provided with a ventilating net, an activated carbon particle layer is laid on the ventilating net, a honeycomb bearing plate (22) is installed in the adsorption shell (20) and located above the activated carbon laying box (21), a plurality of groups of ventilating holes are formed in the honeycomb bearing plate (22), a group of activated carbon limiting grooves (24) are sequentially arranged on the honeycomb bearing plate (22), and a group of honeycomb activated carbons (23) are placed in the corresponding activated carbon limiting grooves (24);

the catalytic device comprises a gas heat exchanger (30), an electric heater (31), a catalytic reactor (32) and a fan (33),

one end of the gas heat exchanger (30) is provided with a gas inlet, a flame arrester (34) is arranged on the gas inlet, the other end of the gas heat exchanger (30) is provided with a gas outlet, the gas outlet of the gas heat exchanger (30) is communicated with the gas inlet on the shell of the electric heater (31) through a pipeline, the gas outlet of the electric heater (31) is communicated with the gas inlet at the bottom of the catalytic reactor (32), the gas outlet at the upper part of the catalytic reactor (32) is communicated with the gas inlet at the top of the gas heat exchanger (30) through a pipeline, the gas outlet of the gas heat exchanger (30) is communicated with a pumping hole of a fan (33) through a pipeline, and the gas outlet of the fan (33) is provided with an exhaust pipeline;

the air outlet of the filtering shell (1) is communicated with the air inlet of the adsorption shell (20), and the air outlet of the adsorption shell (20) is communicated with the air inlet of the gas heat exchanger (30).

2. An exhaust gas purification treatment system according to claim 1, wherein one end of the adapter (5) is rectangular, the other end of the adapter (5) is circular, a rectangular flange is provided on the air inlet of the filter housing (1), and one end of the adapter (5) is fixed to the rectangular flange by bolts.

3. An exhaust gas purifying treatment system as claimed in claim 1, characterized by further comprising a V-shaped fixing plate (10) and a pair of inclined fixing plates (6), wherein both ends of the V-shaped fixing plate (10) are respectively provided with filter slots, the bottom of the inclined fixing plate (6) is provided with filter slots, and the plate filters (2) are inserted into the filter slots of the V-shaped fixing plate (10) and the inclined fixing plate (6).

4. An exhaust gas purification treatment system according to claim 1, wherein a support beam (7) is provided between two adjacent middle-effect bag filters (3), filter slots are respectively provided on the upper and lower portions of the support beam (7), filter limiting grooves (8) are respectively provided on the inner top and inner bottom of the filter housing (1), and the middle-effect bag filters (3) are installed in the filter slots of the support beam (7) and the filter limiting grooves (8).

5. An exhaust gas purification treatment system according to claim 1, wherein the high efficiency bag filter (4) is mounted in the filter housing (1) by a filter holder; the filter shell (1) is composed of a primary filter section and a fine filter section, and the cross-sectional area of the fine filter section is smaller than that of the primary filter section; the filtering shell (1) is a rectangular shell; and sealing access doors are respectively arranged on the filtering shell (1) at one side of the plate filter (2), the medium-efficiency bag filter (3) and the high-efficiency bag filter (4).

6. An exhaust gas purification treatment system according to claim 1, wherein an access door (25) is provided on a side wall of the adsorption casing (20); drawer slide rails are respectively arranged on two sides of the active carbon laying box (21) and are installed in the adsorption shell (20) through the drawer slide rails, and a drawer handle is arranged at the end part of the active carbon laying box (21); drawer slide rails are respectively arranged on two sides of the honeycomb bearing plate (22) and are installed in the adsorption shell (20) through the drawer slide rails, and a drawer handle is arranged at the end part of the honeycomb bearing plate (22).

7. An exhaust gas purification treatment system according to claim 1, wherein the activated carbon retaining groove (24) is formed by four side plates, a pair of oblong holes are formed in the side plates, and the activated carbon retaining groove (24) is welded to the honeycomb carrier plate (22).

8. The exhaust gas purification treatment system according to claim 1, wherein the gas permeable net is a stainless steel sintered net plate; pneumatic gate valves are respectively arranged on the air outlet and the air inlet of the adsorption shell (20); the top and the bottom of the adsorption shell (20) are both in a round table shape; the bottom of the adsorption shell (20) is provided with a supporting frame.

9. An exhaust gas purification treatment system as claimed in claim 1, wherein the flame arrestor (34) is a dust trap flame arrestor, the dust trap flame arrestor being flanged to the gas inlet of the gas heat exchanger (30); the electric heater (31) comprises a cylinder body and a group of electric heating pipes, wherein the group of electric heating pipes are sequentially arranged and installed on a pipe seat, the group of electric heating pipes are inserted into the cylinder body, and the pipe seat is hermetically installed at the end part of the cylinder body; the gas heat exchanger (30) comprises a tank body (35), a pair of end sockets (36), a group of heat exchange pipelines and a pair of clamps (38), wherein two ends of the tank body (35) are open, pipeline fixing plates (39) are arranged in the open ends respectively, the group of heat exchange pipelines are installed between the pair of pipeline fixing plates (39), and the tank body (35) and the pair of end sockets (36) are connected through flanges and locked through the clamps (38).

10. The waste gas purification treatment system according to claim 1, wherein a group of guide protrusions are uniformly distributed on the inner wall of the tank body (35) in a ring shape, and a group of guide grooves matched with the guide protrusions are formed on the end socket (36); the fan (33) is a centrifugal exhaust fan; a group of baffle plates are sequentially arranged in the gas heat exchanger (30); the inlet end of the flame arrester (34) is provided with a valve.