CN114405230A - Waste gas treatment equipment - Google Patents
Waste gas treatment equipment Download PDFInfo
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- CN114405230A CN114405230A CN202210131734.8A CN202210131734A CN114405230A CN 114405230 A CN114405230 A CN 114405230A CN 202210131734 A CN202210131734 A CN 202210131734A CN 114405230 A CN114405230 A CN 114405230A
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- air duct
- filter plate
- gas treatment
- exhaust gas
- adsorption medium
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- 239000002912 waste gas Substances 0.000 title description 14
- 238000001179 sorption measurement Methods 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 239000003463 adsorbent Substances 0.000 claims description 28
- 238000003825 pressing Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 13
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Images
Classifications
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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
- B01D53/02—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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
-
- 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
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/40098—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating with other heating means
Abstract
The present invention provides an exhaust gas treatment apparatus comprising: a vent conduit for passing exhaust gas; the circulating material moving mechanism is internally provided with an adsorption medium and can drive the adsorption medium to circularly move inside and outside the ventilation pipeline; and the heating mechanism is arranged outside the vent pipe and used for heating the adsorption medium which is positioned in the circulating material moving mechanism and outside the vent pipe. The adsorption medium in the exhaust gas treatment device can be used in a rotating manner.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to waste gas treatment equipment.
Background
The treatment of waste gas pollution is one of the main fields of environmental protection, and the organic waste gas treatment refers to the treatment work of adsorption, filtration and purification of organic waste gas generated in the industrial production process. The organic waste gas treatment is generally carried out by an air purification treatment method of organic substances containing carbon, hydrogen and oxygen, such as formaldehyde organic waste gas treatment, benzene series organic waste gas treatment such as benzene toluene xylene, acetone butanone organic waste gas treatment, ethyl acetate waste gas treatment, oil mist organic waste gas treatment, furfural organic waste gas treatment, styrene and acrylic acid organic waste gas treatment, resin organic waste gas treatment, additive organic waste gas treatment, paint mist organic waste gas treatment, and Tianna water organic waste gas treatment.
The organic waste gas treatment of sampling at present adopts the mode of catalytic combustion mostly, but the catalytic combustion method has the potential safety hazard, easily takes place the explosion to and still include ultraviolet photolysis, but its efficiency is not high, and the organic matter wide range is handled to the active carbon adsorption method, and with low costs to can give recovery resources, but used active carbon is not handled as dangerous solid useless through the regeneration retrieval and utilization promptly, and the cost is great, and need in time change, influences the treatment effeciency.
Chinese patent CN201621085927.0 discloses a compound exhaust-gas treatment machine, including separation body and purification body, it is provided with import and export to purify the body both ends, it has set gradually the homoflow net along import to the direction of export to purify the body inside, low temperature plasma electric field and ultraviolet tube, the side upper portion of separation body is provided with air connector and venthole, the venthole with purify body through connection, separation body inside between air connector and the venthole is provided with separates water conservancy diversion portion, it is formed by left guide plate to separate water conservancy diversion portion, right guide plate and division board are Y type structural arrangement, left side guide plate surface and right guide plate surface all are provided with the refrigeration piece, ultrasonic atomization equipment includes the atomizing box, atomizing plate and guide plate constitute.
The processor is costly and is not suitable for continuous and large-scale waste gas treatment
Disclosure of Invention
In order to solve the technical problem, an exhaust gas treatment device is provided.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an exhaust gas treatment device comprising:
a vent conduit for passing exhaust gas;
the circulating material moving mechanism is internally provided with an adsorption medium and can drive the adsorption medium to circularly move inside and outside the ventilation pipeline;
the heating mechanism is arranged outside the air duct and used for heating the adsorption medium which is positioned in the circulating material moving mechanism and outside the air duct;
circulation moves material mechanism includes:
the three rotating rollers are rotatably supported outside the air duct, two of the three rotating rollers are positioned above the air duct, the other rotating roller is positioned below the air duct, the axes of the three rotating rollers are perpendicular to the axis direction of the air duct and extend along the horizontal direction, when viewed along the axis direction of the rotating rollers, the three rotating rollers are positioned at three corners of an isosceles triangle, the two rotating rollers positioned above are positioned at the bottom corner of the isosceles triangle, the rotating rollers positioned below are positioned at the top corner of the isosceles triangle, and one of the rotating rollers is in transmission connection with a motor arranged on the air duct;
the flexible area of annular, around on three commentaries on classics roller and run through vent pipe's upper and lower both sides wall, can rotate under the drive of changeing the roller, the flexible area of annular is hollow structure, adsorption medium places in the hollow structure of flexible area of annular the inside portion and the outside portion in flexible area of annular are provided with a plurality of first bleeder vents on the part uniformly.
Preferably, a plurality of material moving partition plates are arranged in the hollow structure of the annular flexible belt at equal intervals, the material moving partition plates are fixed on the inner side portion and the outer side portion of the annular flexible belt, the adsorption medium is arranged between the adjacent material moving partition plates, and a plurality of third air holes are formed in the material moving partition plates.
Preferably, two inner pressing plates are arranged in the vent pipeline, the two inner pressing plates are respectively abutted against the inner sides of the annular flexible belt, which correspond to the two equilateral sides of the isosceles triangle, and a plurality of fourth vent holes are formed in the inner pressing plates.
Preferably, a collection box is arranged on the upper side of the ventilation pipeline, the part of the annular flexible belt, which is positioned above the ventilation pipeline, is positioned in the collection box, the heating mechanism is arranged in the collection box, a blower which blows air into the collection box is arranged on the outer side of the collection box, and the blower blows air into the collection box so as to blow off waste materials desorbed from the adsorption medium due to heating.
Preferably, an adsorbent storage box is provided above the collection box, the adsorbent storage box being in communication with the collection box, an adsorbent being placed in the adsorbent storage box and being removable from the adsorbent storage box, the adsorbent being for adsorbing the adsorbent media blown out from the collection box.
Preferably, the material circulating and conveying device further comprises a filter plate, the filter plate is arranged in the air duct and located on the windward side of the circulating and material conveying mechanism, a plurality of through holes are uniformly formed in the filter plate, an opening is formed in the top of the air duct and in the position corresponding to the filter plate, and the filter plate is detachably placed into the air duct from the opening.
Preferably, the inner sides of the ventilation pipelines, corresponding to the two side walls of the filter plate, are provided with sliding grooves extending up and down, the two sides of the filter plate are arranged in the sliding grooves in a vertically movable manner, each sliding groove is internally provided with a pressing plate, the pressing plates are positioned on the opposite side of the circulating material moving mechanism relative to the filter plate, one side of each pressing plate, which is far away from the filter plate, is provided with a plurality of springs, one ends of the springs are abutted against the pressing plates, the other ends of the springs are abutted against one side wall of the sliding grooves, and the springs are always in a compressed state, so that the pressing plates always have a tendency of moving towards the filter plate.
Preferably, the filter deviates from one side of circulation material moving mechanism is provided with the scraper blade, the scraper blade is located between two clamp plates and the lower extreme supports and leans on the filter, the scraper blade can reciprocate, can strike off the dust on the filter at the in-process that reciprocates the bottom of breather pipe just is located the scraper blade and is provided with the blanking mouth under, is provided with the detachable collection box in the position department that corresponds to the blanking mouth, is fallen into in the collection box by the dust that the scraper blade was scraped from the filter.
Compared with the prior art, the invention has the following beneficial effects:
1) an adsorption medium is arranged in the vent pipeline, and waste materials in the waste gas can be adsorbed when the waste gas passes through the vent pipeline;
2) the circulation moves material mechanism and can drive adsorption medium at vent pipe's inside and outside round trip movement, and when moving vent pipe's outside, align through heating mechanism and heat, adsorption medium after the heating can the desorption, after the desorption, blow off the waste material of desorption through the hair-dryer, the waste material that blows off is absorbed by the adsorbent that sets up in the adsorbent case, and the adsorbent absorbed amount in the adsorbent case can be taken out when reaching the certain degree, and then can not need to change the adsorption medium in the circulation moves material mechanism for a long time, can realize continuous processing.
Drawings
FIGS. 1 and 2 are perspective views of the present invention from two different perspectives, respectively;
FIG. 3 is a side view of the present invention;
FIG. 4 is a perspective cross-sectional view at section A-A of FIG. 3;
FIG. 5 is a cross-sectional view at section A-A of FIG. 3;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
FIG. 7 is an enlarged view of a portion of FIG. 5 at C;
FIG. 8 is a cross-sectional view at section D-D of FIG. 3;
FIG. 9 is an enlarged view of a portion of FIG. 8 at E;
FIG. 10 is a perspective view of an endless flexible belt of the present invention;
FIG. 11 is a top view of the present invention;
FIG. 12 is a perspective view of the filter plate, cleaning mechanism and residue collection mechanism of the present invention;
FIG. 13 is a perspective view of the outer frame of the present invention;
FIG. 14 is a perspective view of the inner platen of the present invention;
fig. 15 is a front view of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
An exhaust gas treatment device comprising:
a ventilation duct 1 for passing exhaust gas;
the circulating material moving mechanism 2 is internally provided with an adsorption medium and can drive the adsorption medium to circularly move inside and outside the ventilation pipeline 1;
and the heating mechanism 3 is arranged outside the air duct 1 and used for heating the adsorption medium which is positioned in the circulating material moving mechanism 2 and outside the air duct 1. The adsorption medium can be subjected to desorption treatment by heating the adsorption medium by the heating mechanism 3, and after the desorption treatment, the circulating material moving mechanism 2 sends the adsorption medium into the ventilation pipeline 1 again to treat the waste gas in the ventilation pipeline 1.
Circulation moves material mechanism 2 includes:
three rollers 2b, each of which is rotatably supported outside the air duct 1, two of which are located above the air duct 1, and the other of which is located below the air duct 1, wherein the axes of the three rollers 2b are perpendicular to the axial direction of the air duct 1 and extend in the horizontal direction, and when viewed along the axial direction of the rollers 2b, the three rollers 2b are located at three corners of an isosceles triangle, the two rollers 2b located above are located at the base of the isosceles triangle, and the roller 2b located below is located at the apex angle of the isosceles triangle, wherein one roller 2b is in transmission connection with a motor 2c provided on the air duct 1;
annular flexible belt 2a, around three on changeing roller 2b and run through vent pipe 1's upper and lower both sides wall, can rotate under changeing roller 2 b's drive, annular flexible belt 2a is hollow structure, adsorption medium places in annular flexible belt 2 a's hollow structure annular flexible belt 2 a's the inside portion and the outside portion of annular flexible belt 2a go up and are provided with a plurality of first bleeder vents 2a1 uniformly, through first bleeder vent 2a1, pending waste gas can pass annular flexible belt 2a, and when waste gas passes through first bleeder vent 2a1, adsorption medium can be with the harmful substance absorption in the waste gas.
The adsorption medium can be granular carbon or granular photocatalyst, and the diameter of the adsorption medium is larger than that of the first air holes 2a 1. The adsorption medium can also be bagged granular carbon or photocatalyst, and the bag is a breathable bag.
Furthermore, a plurality of material moving partition plates 2a2 are arranged in the hollow structure of the annular flexible belt 2a at equal intervals, and the material moving partition plates 2a2 are fixed on the inner side part and the outer side part of the annular flexible belt 2a, so that on one hand, the adsorption medium can be ensured to move along with the annular flexible belt 2a, and on the other hand, the adsorption medium can play a role in supporting the inside of the annular flexible belt 2 a. Meanwhile, a plurality of third ventilation holes 2a3 are formed in the material transfer partition plate 2a1, and the third ventilation holes 2a3 facilitate the gas to flow in the annular flexible belt 2 a.
Meanwhile, two inner pressing plates 2e are arranged in the vent pipeline 1, and the two inner pressing plates 2e respectively abut against the inner sides, corresponding to the two equilateral sides of the isosceles triangle, of the annular flexible belt 2a, so that the stability of the annular flexible belt 2a in the rotating process can be ensured. A plurality of fourth ventilation holes 2e1 are formed in the inner pressure plate 2e to ensure smooth passage of gas through the ventilation duct 1.
On the upper side of the air duct 1a collecting box 3b is provided, in which collecting box 3b the part of the endless flexible belt 2a located above the air duct 1 is located. The heating mechanism 3 is arranged in the collecting box 3b, and the heating mechanism 3 is used for adding the adsorption media in the collecting box 3 b. An air blower 3c blowing air into the collection box 3b is arranged outside the collection box 3b, and the waste desorbed from the adsorption medium by heating can be blown up by blowing air into the collection box 3b through the air blower 3 c.
An adsorbent storage box 3d is provided above the collection box 3b, the adsorbent storage box 3d communicates with the collection box 3b, and when the blower 3c is operated, the gas of the collection box 3b flows toward the adsorbent storage box 3d, and an adsorbent is placed in the adsorbent storage box 3d and can be easily taken out of the adsorbent storage box 3 d. Waste materials in the waste gas adsorbed by the adsorption medium enter the adsorbent, and after the adsorbent works for a period of time, the adsorbent is replaced, so that the adsorption medium can be ensured to be used for a longer time, and the shutdown frequency is reduced. The same thing can be used for the adsorption medium and the adsorbent.
Preferably, the equipment also comprises a filter plate 4, wherein the filter plate 4 is arranged in the air duct 1 and is positioned on the windward side of the circulating material moving mechanism 2, a plurality of through holes are uniformly formed in the filter plate 4, the filter plate 4 plays a certain role in blocking dust in gas, the filter plate 4 can be made of plastic, and in the using process, static electricity can be generated on the surface of the filter plate 4 to increase the effect of dust adsorption.
Preferably, the filter plate 4 is detachable, an opening is provided at the top of the air duct 1 at a position corresponding to the filter plate 4, and the filter plate 4 is put into the air duct 1 from the opening.
Further, a chute 1a extending up and down is provided inside the ventilation duct 1 corresponding to both side walls of the filter plate 4, and both sides of the filter plate 4 are provided in the chute 1a so as to be movable up and down.
Preferably, a pressing plate 5a is arranged in each sliding chute 1a, the pressing plate 5a is located on the opposite side of the circulating material moving mechanism 2 relative to the filter plate 4, a plurality of springs 5c are further arranged on the side, away from the filter plate 4, of the pressing plate 5a, one end of each spring 5c abuts against the pressing plate 5a, the other end of each spring 5c abuts against one side wall of the sliding chute 1a, and the springs 5c are always in a compressed state, so that the pressing plate 5a always has a tendency of pressing the filter plate 4. In order to facilitate the mounting of the filter plate 4, a chamfer 5a1 is provided at the upper end of said pressure plate 5a on the side facing the pressure plate 5 a. In order to ensure the stability of the pressure plate 5a, the side of the pressure plate 5a facing away from the filter plate 4 is provided with a plurality of fixing pins 5b, which fixing pins 5b can be moved back and forth relative to the air duct 1.
Further, the filter 4 deviates from one side of circulating material moving mechanism 2 is provided with scraper 6c, scraper 6c is located between two clamp plates 5a and the lower extreme supports and leans on the filter 4, scraper 6c can reciprocate, can strike off the dust on the filter 4 at the in-process that reciprocates. Specifically, the scraper 6c is driven by an electric push rod 6b, and the output end of the electric push rod 6b is connected with the upper end of the scraper 6 c. The electric push rod 6b is arranged at the top of the air duct 1 through the frame body 6 a. The top of the scraper 6c is provided with a guide rod 6d, and the guide rod 6d is arranged in a sliding manner relative to the frame body 6a and the top of the ventilation pipeline 1 to play a role in guiding.
Further, a blanking port 1b is provided at the bottom of the air duct 1 and directly below the scraper 6c, a collection box 7b is provided at a position corresponding to the blanking port 1b, and dust scraped from the filter plate 4 by the scraper 6c falls into the collection box 7 b. Specifically, sliding grooves 7a are formed in the lower surface of the bottom of the vent pipe 1 and located on two sides of the blanking port 1b in the air inlet direction, a limiting edge 7b1 matched with the sliding grooves 7a is arranged on the collecting box 7b, and the limiting edge 7b1 is slidably arranged in the sliding grooves 7a, so that the collecting box 7b can be detached conveniently.
The equipment further comprises a heat exchange pipe 8, the heat exchange pipe 8 is arranged in the ventilation pipeline 1 and is positioned on the lee side of the circulating material moving mechanism 2, and a part of heat in the gas can be recovered through the heat exchange pipe 8 and conveyed to a required place.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An exhaust gas treatment device comprising:
a vent conduit for passing exhaust gas;
the circulating material moving mechanism is internally provided with an adsorption medium and can drive the adsorption medium to circularly move inside and outside the ventilation pipeline;
the heating mechanism is arranged outside the air duct and used for heating the adsorption medium which is positioned in the circulating material moving mechanism and outside the air duct; it is characterized in that the preparation method is characterized in that,
circulation moves material mechanism includes:
the three rotating rollers are rotatably supported outside the air duct, two of the three rotating rollers are positioned above the air duct, the other rotating roller is positioned below the air duct, the axes of the three rotating rollers are perpendicular to the axis direction of the air duct and extend along the horizontal direction, when viewed along the axis direction of the rotating rollers, the three rotating rollers are positioned at three corners of an isosceles triangle, the two rotating rollers positioned above are positioned at the bottom corner of the isosceles triangle, the rotating rollers positioned below are positioned at the top corner of the isosceles triangle, and one of the rotating rollers is in transmission connection with a motor arranged on the air duct;
the flexible area of annular, around on three commentaries on classics roller and run through vent pipe's upper and lower both sides wall, can rotate under the drive of changeing the roller, the flexible area of annular is hollow structure, adsorption medium places in the hollow structure of flexible area of annular the inside portion and the outside portion in flexible area of annular are provided with a plurality of first bleeder vents on the part uniformly.
2. The exhaust gas treatment device according to claim 1, wherein a plurality of material transfer partitions are arranged at equal intervals in the hollow structure of the endless flexible belt, the material transfer partitions are fixed on the inner side portion and the outer side portion of the endless flexible belt, the adsorption medium is arranged between adjacent material transfer partitions, and a plurality of third ventilation holes are formed in the material transfer partitions.
3. The exhaust gas treatment apparatus according to claim 1, wherein two inner pressure plates are provided in the air duct, the two inner pressure plates respectively abut against inner sides of the annular flexible belt corresponding to two equal sides of the isosceles triangle, and a plurality of fourth air holes are provided in the inner pressure plates.
4. The exhaust gas treatment apparatus according to claim 1, wherein a collection box is provided on an upper side of the air duct, a portion of the endless flexible belt above the air duct is located in the collection box, the heating mechanism is provided in the collection box, and a blower blowing air into the collection box is provided on an outer side of the collection box, and the blower blowing air into the collection box blows air to blow off the waste desorbed from the adsorption medium by heating.
5. The exhaust gas treatment apparatus according to claim 4, wherein an adsorbent storage box is provided above the collection tank, the adsorbent storage box being in communication with the collection tank, an adsorbent being placed in the adsorbent storage box and being removable from the adsorbent storage box, the adsorbent being for adsorbing the adsorbent medium blown out from the collection tank.
6. The exhaust gas treatment apparatus according to claim 1, further comprising a filter plate disposed in the air duct on the windward side of the circulating material transfer mechanism, the filter plate having a plurality of through holes uniformly formed therein, an opening being provided at the top of the air duct at a position corresponding to the filter plate, the filter plate being detachably put into the air duct from the opening.
7. An exhaust gas treatment device according to claim 6, wherein vertically extending runners are provided in the inner side of the air duct corresponding to the two side walls of the filter plate, the two sides of the filter plate being arranged to move up and down in the runners, a pressure plate being provided in each of said runners, said pressure plate being located opposite said endless transfer mechanism with respect to said filter plate, a plurality of springs being provided on the side of said pressure plate facing away from said filter plate, one end of said springs abutting against said pressure plate and the other end abutting against a side wall of the runner, and said springs being constantly in a compressed state, such that the pressure plate always has a tendency to move towards said filter plate.
8. The exhaust gas treatment equipment according to claim 7, wherein a scraper is arranged on the side of the filter plate facing away from the circulating material moving mechanism, the scraper is positioned between the two pressing plates, the lower end of the scraper abuts against the filter plate, the scraper can move up and down and can scrape dust on the filter plate in the process of moving up and down, a blanking port is arranged at the bottom of the air duct and under the scraper, a detachable collecting box is arranged at a position corresponding to the blanking port, and the dust scraped from the filter plate by the scraper falls into the collecting box.
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| CN202210131734.8A CN114405230A (en) | 2022-02-14 | 2022-02-14 | Waste gas treatment equipment |
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| CN202210131734.8A CN114405230A (en) | 2022-02-14 | 2022-02-14 | Waste gas treatment equipment |
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