CN112370883A - Waste gas treatment equipment for waterproof material production and operation method thereof - Google Patents
Waste gas treatment equipment for waterproof material production and operation method thereof Download PDFInfo
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- CN112370883A CN112370883A CN202011158692.4A CN202011158692A CN112370883A CN 112370883 A CN112370883 A CN 112370883A CN 202011158692 A CN202011158692 A CN 202011158692A CN 112370883 A CN112370883 A CN 112370883A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
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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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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Abstract
The invention discloses waste gas treatment equipment for waterproof material production and an operation method thereof, and the waste gas treatment equipment comprises a main box body and a water storage box, wherein one side of the main box body is provided with a filtering box body, the top wall in the filtering box body is fixedly communicated with an air inlet pipe, a filtering net is fixedly arranged between the inner side walls of the filtering box body, the inner side wall of the filtering box body close to the main box body is fixedly communicated with a connecting pipe, one end of the connecting pipe far away from the filtering box body is fixedly communicated with an air inlet cover, one side of the air inlet cover close to the main box body penetrates through the inner side wall of the main box body and extends into the main box body, and. The invention can filter solid impurities in the waste gas before purifying the waste gas through the arranged filter box body and the filter screen, thereby ensuring that the waste gas entering the main box body does not contain the solid impurities and avoiding the solid impurities from entering the water storage tank to pollute the spray liquid.
Description
Technical Field
The invention belongs to the field of waterproof material production equipment, relates to a waste gas treatment technology, and particularly relates to waste gas treatment equipment for waterproof material production.
Background
The waterproof material is used for the building envelope to prevent the penetration of rainwater, snow water and underground water; to prevent the erosion of moisture, steam and other harmful gases and liquids in the air; the partition structure is to prevent the infiltration of the water supply and drainage. These materials that resist permeation, leakage, and erosion are collectively referred to as water-resistant materials.
Waterproof material can produce a large amount of waste gases when production, contains a large amount of noxious material in the waste gas, and these waste gases can cause the pollution to the environment if not directly discharging through handling, and current exhaust-gas treatment equipment adopts the mode of the noxious material in the adsorbent absorption waste gas to carry out purification treatment to waste gas usually, but waste gas flow velocity is extremely slow when contacting with the adsorbent to lead to waste gas purification efficiency lower.
Disclosure of Invention
The invention aims to provide waste gas treatment equipment for waterproof material production, which is used for solving the problem that the traditional waste gas treatment equipment adopts a mode that an adsorbent adsorbs toxic substances in waste gas to purify the waste gas, and the waste gas has extremely low flowing speed when contacting with the adsorbent, so that the waste gas purification efficiency is low;
the technical problems to be solved by the invention are as follows: how to provide an efficient, effectual exhaust-gas treatment equipment.
The purpose of the invention can be realized by the following technical scheme:
a waste gas treatment device for waterproof material production comprises a main box body and a water storage box, wherein one side of the main box body is provided with a filtering box body, an air inlet pipe is fixedly communicated with the inner top wall of the filtering box body, a filter screen is fixedly arranged between the inner side walls of the filtering box body, the inner side wall of the filtering box body close to the main box body is fixedly communicated with a connecting pipe, one end of the connecting pipe far away from the filtering box body is fixedly communicated with an air inlet cover, one side of the air inlet cover close to the main box body penetrates through the inner side wall of the main box body and extends into the main box body, the inner side wall of the main box body far away from the filtering box body is fixedly communicated with an air outlet pipe, the inner side wall of the main box body is communicated with two symmetrical spray pipes in a penetrating mode, the outer surface of each, the spray pipe bottom has the installation pipe through connecting swing joint, the installation socle portion passes the interior roof of water storage box and extends to the inside of water storage box, the installation socle portion is provided with the drawing liquid pump, the water storage box top surface has driving motor through support fixed mounting, driving motor output fixed mounting has the pivot, pivot external surface fixed mounting has the second gear, the second gear meshes with first gear mutually, the inside splendid attire of water storage box has the spray.
Furthermore, the top of the water storage box is fixedly provided with two symmetrical recovery boxes through a connecting frame, two symmetrical mounting seats are fixedly mounted between the bottom of the filtering box and the top of the recovery box, a recovery pipe is fixedly communicated between the inner side walls of the recovery box and the main box body, the inside of the recovery box is filled with an adsorbent, and a fixed pipe is fixedly communicated between the inner bottom wall of the recovery box and the inner top wall of the water storage box.
Furthermore, the recovery pipe and the fixed pipe are provided with electromagnetic valves at the ends close to the recovery box body.
Furthermore, two side faces of the liquid pump are fixedly connected with the top face of the water storage tank through a support, and the bottom end of the mounting pipe extends to the position below the liquid level of the spraying liquid.
Further, the pivot top passes the interior roof of main tank body and extends to inside the main tank body, pivot surface and the interior diapire swing joint of main tank body, the surface fixed mounting of pivot has evenly distributed's deep bead.
A method of operating a water repellent material production exhaust gas treatment device, the method comprising the steps of:
the first step is as follows: the waste gas is guided into the filtering box body through the air inlet pipe, the solid impurities in the waste gas are filtered by the filtering net, and the filtered waste gas enters the main box body through the connecting pipe and the air inlet cover;
the second step is that: starting a driving motor and a liquid pump, pumping the spraying liquid into the spray pipes through the mounting pipes by the liquid pump, driving the rotating shaft to rotate by the driving motor, driving the two spray pipes to rotate simultaneously by the rotating shaft through the first gear and the two second gears, spraying the spraying liquid in the spray pipes out through the spray heads when the spray pipes rotate, purifying toxic substances in the waste gas in the main box body, reducing the flow speed of the waste gas by the rotation of the wind shield on the outer surface of the rotating shaft, and discharging the purified air out of the main box body through the air outlet pipe;
the third step: the spraying liquid that erupts is influenced by gravity and drips in the internal diapire of owner box, after accomplishing exhaust-gas treatment, close driving motor and drawing liquid pump, open the valve of collector tube and fixed pipe, the spraying liquid in the owner box enters into inside the recovery box through the collector tube, the noxious material in the spraying liquid is adsorbed the back by the adsorbent, the spraying liquid flows back to the water storage box in through fixed pipe, realize the cyclic utilization who sprays the liquid, the spraying liquid is retrieved and is accomplished the back, close the valve of fixed pipe and collector tube, accomplish whole exhaust-gas treatment process.
The invention has the beneficial effects that: the invention has the following beneficial effects:
1. solid impurities in the waste gas can be filtered before the waste gas is purified through the arranged filtering box body and the filtering net, so that the waste gas entering the main box body is ensured not to contain the solid impurities, and the solid impurities are prevented from entering the water storage tank to pollute the spraying liquid;
2. the spray pipe can be driven to continuously rotate in the main box body through the arranged driving motor, the rotating shaft, the second gear and the first gear, so that the spray liquid is sprayed out from different angles, the spray liquid can be more fully contacted with the waste gas, toxic substances in the waste gas are fully absorbed, and the waste gas purification effect is improved;
3. the wind shield can be driven to rotate in the main box body through the arranged structures such as the driving motor, the rotating shaft and the like, so that the flowing speed of waste gas in the main box body is reduced, the retention time of the waste gas in the main box body is prolonged, the contact time of the waste gas and spray liquid is prolonged, and the purification effect is further improved;
4. can accomplish the back through recovery box, recovery tube and the fixed isotructure that sets up, retrieve the liquid that sprays in the main tank, the adsorbent will spray the toxic substance in the liquid and adsorb, spray inside liquid through the fixed pipe backward flow to the water storage box after the adsorbent adsorbs, realize spraying the cyclic utilization of liquid.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.
In the figure: 1. a main box body; 2. a water storage tank; 3. a filter box body; 4. an air inlet pipe; 5. a filter screen; 6. a connecting pipe; 7. an air inlet cover; 8. an air outlet pipe; 9. a nozzle; 10. a spray head; 11. a first gear; 12. installing a pipe; 13. a liquid pump; 14. a drive motor; 15. a rotating shaft; 16. a second gear; 17. spraying liquid; 18. a recovery box body; 19. a mounting seat; 20. a recovery pipe; 21. an adsorbent; 22. a fixed tube; 23. a wind deflector.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in figures 1-3, a waste gas treatment device for waterproof material production comprises a main box body 1 and a water storage tank 2, wherein one side of the main box body 1 is provided with a filter box body 3, the inner top wall of the filter box body 3 is fixedly communicated with an air inlet pipe 4, a filter screen 5 is fixedly installed between the inner side walls of the filter box body 3, the inner side wall of the filter box body 3 close to the main box body 1 is fixedly communicated with a connecting pipe 6, one end of the connecting pipe 6 far away from the filter box body 3 is fixedly communicated with an air inlet cover 7, one side of the air inlet cover 7 close to the main box body 1 penetrates through the inner side wall of the main box body 1 and extends into the main box body 1, the inner side wall of the main box body 1 far away from the filter box body 3 is fixedly communicated with an air outlet pipe 8, the inner bottom wall of the main box body, the outer surface of the spray pipe 9 is provided with uniformly distributed spray heads 10, the outer surfaces of the two spray pipes 9 are fixedly provided with first gears 11, the bottom of the spray pipe 9 is movably connected with a mounting pipe 12 through a joint, the bottom of the mounting pipe 12 penetrates through the inner top wall of the water storage tank 2 and extends into the water storage tank 2, the top of the mounting pipe 12 is provided with a liquid pump 13, two side surfaces of the liquid pump 13 are fixedly connected with the top surface of the water storage tank 2 through a support, the bottom end of the mounting pipe 12 extends to the position below the liquid level of spray liquid 17, the top surface of the water storage tank 2 is fixedly provided with a driving motor 14 through a support, the output end of the driving motor 14 is fixedly provided with a rotating shaft 15, the top of the rotating shaft 15 penetrates through the inner top wall of the main tank 1 and extends into the main tank 1, the outer surface of the rotating shaft 15 is movably connected with the inner, 15 outer fixed surface of pivot has second gear 16, second gear 16 meshes with first gear 11 mutually, 2 inside splendid attire of water storage box have spray liquid 17, and spray tube 9 constantly rotates in main tank 1 to make spray liquid 17 follow different angles blowout, make spray liquid 17 can be more abundant with the waste gas contact, thereby fully absorb the noxious material in the waste gas, improve exhaust purification effect.
The top of the water storage tank 2 is fixedly provided with two symmetrical recovery tank bodies 18 through a connecting frame, two symmetrical mounting seats 19 are fixedly mounted between the bottom of the filtering tank body 3 and the top of the recovery tank body 18, a recovery pipe 20 is fixedly communicated between the inner side walls of the recovery tank body 18 close to the main tank body 1, an adsorbent 21 is contained in the recovery tank body 18, the adsorbent 21 is activated carbon, a fixing pipe 22 is fixedly communicated between the inner bottom wall of the recovery tank body 18 and the inner top wall of the water storage tank 2, one ends of the recovery pipe 20 and the fixing pipe 22 close to the recovery tank body 18 are respectively provided with an electromagnetic valve, after waste gas treatment is completed, the spray liquid 17 in the main tank body 1 is recovered, the adsorbent 21 adsorbs toxic substances in the spray liquid 17, and the spray liquid 17 flows back to the inside of the water storage tank 2 through the fixing pipe 22 after being adsorbed by the adsorbent 21, the recycling of the spray liquid 17 is realized.
A method of operating a water repellent material production exhaust gas treatment device, the method comprising the steps of:
the first step is as follows: waste gas is guided into the filtering box body 3 through the air inlet pipe 4, solid impurities in the waste gas are filtered by the filtering net 5, and the filtered waste gas enters the main box body 1 through the connecting pipe 6 and the air inlet cover 7;
the second step is that: starting a driving motor 14 and a liquid pump 13, pumping the spraying liquid 17 into the spraying pipes 9 through the mounting pipes 12 by the liquid pump 13, driving the rotating shaft 15 to rotate by the driving motor 14, driving the two spraying pipes 9 to rotate simultaneously by the rotating shaft 15 and the two second gears 16 through the first gear 11 and the two second gears 16, spraying the spraying liquid 17 in the spraying pipes 9 through the spray heads 10 when the spraying pipes 9 rotate, purifying toxic substances in the waste gas in the main box body 1, reducing the flow speed of the waste gas by the rotation of the wind shield 23 on the outer surface of the rotating shaft 15, and discharging the purified air out of the main box body 1 through the air outlet pipe 8;
the third step: the sprayed spraying liquid 17 is influenced by gravity and drips on the inner bottom wall of the main box body 1, after the waste gas treatment is completed, the driving motor 14 and the liquid pump 13 are closed, the valve of the recovery pipe 20 and the fixed pipe 22 is opened, the spraying liquid 17 in the main box body 1 enters the recovery box body 18 through the recovery pipe 20, toxic substances in the spraying liquid 17 are adsorbed by the adsorbent 21, the spraying liquid 17 flows back to the water storage box 2 through the fixed pipe 22, the cyclic utilization of the spraying liquid 17 is realized, after the spraying liquid 17 is recovered, the valve of the fixed pipe 22 and the recovery pipe 20 is closed, and the whole waste gas treatment process is completed.
A waste gas treatment device for waterproof material production, when in use, waste gas is poured into a filter box body 3 through an air inlet pipe 4, a filter screen 5 filters solid impurities in the waste gas, after the filtered waste gas enters the main box body 1 through a connecting pipe 6 and an air inlet cover 7, a driving motor 14 and an infusion pump 13 are started, the infusion pump 13 pumps a spray liquid 17 into a spray pipe 9 through a mounting pipe 12, the driving motor 14 drives a rotating shaft 15 to rotate, the rotating shaft 15 drives two spray pipes 9 to rotate simultaneously through a first gear 11 and two second gears 16, when the spray pipe 9 rotates, the spray liquid 17 in the spray pipe 9 is sprayed out through a spray head 10 to purify toxic substances in the waste gas in the main box body 1, meanwhile, a wind shield 23 on the outer surface of the rotating shaft 15 rotates to reduce the flow speed of the waste gas, the purified air is discharged out of the main box body 1 through an air outlet pipe 8, the sprayed spray liquid 17 is dripped on the inner bottom wall of the main box, after the waste gas treatment is finished, the driving motor 14 and the liquid pump 13 are closed, the valves of the recovery pipe 20 and the fixed pipe 22 are opened, the spraying liquid 17 in the main box body 1 enters the recovery box body 18 through the recovery pipe 20, after toxic substances in the spraying liquid 17 are adsorbed by the adsorbent 21, the spraying liquid 17 flows back to the water storage box 2 through the fixed pipe 22, the cyclic utilization of the spraying liquid 17 is realized, and after the recovery of the spraying liquid 17 is finished, the valves of the fixed pipe 22 and the recovery pipe 20 are closed, so that the whole waste gas treatment process is finished;
the invention has the following beneficial effects:
1. solid impurities in the waste gas can be filtered before the waste gas is purified through the arranged filtering box body and the filtering net, so that the waste gas entering the main box body is ensured not to contain the solid impurities, and the solid impurities are prevented from entering the water storage tank to pollute the spraying liquid;
2. the spray pipe can be driven to continuously rotate in the main box body through the arranged driving motor, the rotating shaft, the second gear and the first gear, so that the spray liquid is sprayed out from different angles, the spray liquid can be more fully contacted with the waste gas, toxic substances in the waste gas are fully absorbed, and the waste gas purification effect is improved;
3. the wind shield can be driven to rotate in the main box body through the arranged structures such as the driving motor, the rotating shaft and the like, so that the flowing speed of waste gas in the main box body is reduced, the retention time of the waste gas in the main box body is prolonged, the contact time of the waste gas and spray liquid is prolonged, and the purification effect is further improved;
4. can accomplish the back at exhaust-gas treatment through recovery box, recovery tube and fixed pipe isotructure that set up, retrieve the liquid that sprays in the main tank, the adsorbent adsorbs the noxious material that sprays in the liquid, sprays inside liquid through fixed pipe backward flow to the water storage box after the adsorbent adsorbs, realizes spraying the cyclic utilization of liquid.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The waste gas treatment equipment for the production of the waterproof material comprises a main box body (1) and a water storage tank (2), and is characterized in that a supporting frame which is uniformly distributed is fixedly arranged between the main box body (1) and the water storage tank (2), a filtering box body (3) is arranged on one side of the main box body (1), an air inlet pipe (4) is fixedly communicated with the inner wall of the filtering box body (3), a filtering net (5) is fixedly arranged between the inner side walls of the filtering box body (3), a connecting pipe (6) is fixedly communicated with the inner side wall of the filtering box body (3) close to the main box body (1), an air inlet cover (7) is fixedly communicated with one end of the connecting pipe (6) far away from the filtering box body (3), one side of the air inlet cover (7) close to the main box body (1) penetrates through the inner side wall of the main box body (1) and extends to the inside of the main box body (1), and an air outlet pipe, the inner bottom wall of the main box body (1) is communicated with two symmetrical spray pipes (9) in a penetrating manner, the outer surface of each spray pipe (9) is movably connected with the inner bottom wall of the main box body (1), the outer surface of each spray pipe (9) is provided with uniformly distributed spray heads (10), two spray pipes (9) are fixedly provided with first gears (11) on the outer surface, the bottom of each spray pipe (9) is movably connected with an installation pipe (12) through a joint, the bottom of each installation pipe (12) penetrates through the inner top wall of the water storage box (2) and extends to the inside of the water storage box (2), the top of each installation pipe (12) is provided with a liquid pump (13), the top surface of the water storage box (2) is fixedly provided with a driving motor (14) through a support, the output end of the driving motor (14) is fixedly provided with a rotating shaft (15), the second gear (16) is meshed with the first gear (11), and the water storage tank (2) is filled with spraying liquid (17).
2. The waste gas treatment equipment for the production of the waterproof material is characterized in that two symmetrical recovery boxes (18) are fixedly mounted at the top of the water storage box (2) through a connecting frame, two symmetrical mounting seats (19) are fixedly mounted between the bottom of the filtering box (3) and the top of the recovery boxes (18), a recovery pipe (20) is fixedly communicated between the inner side walls of the recovery boxes (18) close to the main box (1), an adsorbent (21) is contained in the recovery boxes (18), and a fixing pipe (22) is fixedly communicated between the inner bottom wall of the recovery boxes (18) and the inner top wall of the water storage box (2).
3. The waste gas treatment equipment for waterproof material production according to claim 2, wherein the recovery pipe (20) and the fixed pipe (22) are provided with electromagnetic valves at one ends close to the recovery tank body (18).
4. The waste gas treatment equipment for waterproof material production according to claim 1, wherein two side surfaces of the liquid pump (13) are fixedly connected with the top surface of the water storage tank (2) through a support, and the bottom end of the mounting pipe (12) extends to below the liquid level of the spray liquid (17).
5. The waste gas treatment equipment for the production of the waterproof material is characterized in that the top of the rotating shaft (15) penetrates through the inner top wall of the main box body (1) and extends into the main box body (1), the outer surface of the rotating shaft (15) is movably connected with the inner bottom wall of the main box body (1), and wind shields (23) which are uniformly distributed are fixedly installed on the outer surface of the rotating shaft (15).
6. An operation method of waste gas treatment equipment for waterproof material production is characterized by comprising the following steps:
the first step is as follows: waste gas is guided into the filtering box body (3) through the air inlet pipe (4), solid impurities in the waste gas are filtered by the filter screen (5), and the filtered waste gas enters the main box body (1) through the connecting pipe (6) and the air inlet cover (7);
the second step is that: starting a driving motor (14) and a liquid pump (13), pumping spraying liquid (17) into a spray pipe (9) by the liquid pump (13) through a mounting pipe (12), driving the rotating shaft (15) to rotate by the driving motor (14), driving the two spray pipes (9) to rotate simultaneously by the rotating shaft (15) through a first gear (11) and two second gears (16), spraying the spraying liquid (17) in the spray pipe (9) through a spray head (10) when the spray pipe (9) rotates, purifying toxic substances in waste gas in a main box body (1), rotating a wind shield (23) on the outer surface of the rotating shaft (15) to reduce the flow speed of the waste gas, and discharging the purified air out of the main box body (1) through an air outlet pipe (8);
the third step: the sprayed spraying liquid (17) is influenced by gravity and drops on the inner bottom wall of the main box body (1), after waste gas treatment is completed, the driving motor (14) and the liquid pump (13) are closed, the valve of the recovery pipe (20) and the fixed pipe (22) is opened, the spraying liquid (17) in the main box body (1) enters the recovery box body (18) through the recovery pipe (20), toxic substances in the spraying liquid (17) are adsorbed by the adsorbent (21), the spraying liquid (17) flows back to the water storage box (2) through the fixed pipe (22), recycling of the spraying liquid (17) is achieved, after the spraying liquid (17) is recovered, the valve of the fixed pipe (22) and the recovery pipe (20) is closed, and the whole waste gas treatment process is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158692.4A CN112370883A (en) | 2020-10-26 | 2020-10-26 | Waste gas treatment equipment for waterproof material production and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158692.4A CN112370883A (en) | 2020-10-26 | 2020-10-26 | Waste gas treatment equipment for waterproof material production and operation method thereof |
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| CN112370883A true CN112370883A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011158692.4A Pending CN112370883A (en) | 2020-10-26 | 2020-10-26 | Waste gas treatment equipment for waterproof material production and operation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150122270A1 (en) * | 2011-10-31 | 2015-05-07 | David Goldstein | Laboratory Apparatus |
| CN209763771U (en) * | 2019-02-15 | 2019-12-10 | 青海湘和有色金属有限责任公司 | Tail gas treatment device of zinc powder ore-smelting electric furnace |
| CN211217732U (en) * | 2019-11-27 | 2020-08-11 | 天长市中天实业有限责任公司 | Part cleaning device for electromechanical equipment |
| CN211536934U (en) * | 2019-11-11 | 2020-09-22 | 薛亚维 | Waste gas conveying device of waste gas treatment tower |
-
2020
- 2020-10-26 CN CN202011158692.4A patent/CN112370883A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150122270A1 (en) * | 2011-10-31 | 2015-05-07 | David Goldstein | Laboratory Apparatus |
| CN209763771U (en) * | 2019-02-15 | 2019-12-10 | 青海湘和有色金属有限责任公司 | Tail gas treatment device of zinc powder ore-smelting electric furnace |
| CN211536934U (en) * | 2019-11-11 | 2020-09-22 | 薛亚维 | Waste gas conveying device of waste gas treatment tower |
| CN211217732U (en) * | 2019-11-27 | 2020-08-11 | 天长市中天实业有限责任公司 | Part cleaning device for electromechanical equipment |
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Application publication date: 20210219 |