CN110302625B - Exhaust gas filter based on new forms of energy - Google Patents
Exhaust gas filter based on new forms of energy Download PDFInfo
- Publication number
- CN110302625B CN110302625B CN201910690792.2A CN201910690792A CN110302625B CN 110302625 B CN110302625 B CN 110302625B CN 201910690792 A CN201910690792 A CN 201910690792A CN 110302625 B CN110302625 B CN 110302625B
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- Prior art keywords
- air
- cylinder body
- air inlet
- filtering
- filtering cylinder
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- 238000001914 filtration Methods 0.000 claims abstract description 58
- 230000008093 supporting effect Effects 0.000 claims abstract description 37
- 238000005507 spraying Methods 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 239000002912 waste gas Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 45
- 239000007789 gas Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000002893 slag Substances 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 241000521257 Hydrops Species 0.000 claims 1
- 206010030113 Oedema Diseases 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004887 air purification Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of air purification, and particularly discloses a new energy-based waste gas filter, which comprises a filtering cylinder body transversely erected on a supporting frame, wherein a supporting frame fixing frame is arranged at the top of a base; an air inlet part and an air exhaust part are respectively arranged at two ends of the filtering cylinder body; a filter screen is arranged on one side, close to the air inlet part, in the filter cartridge body, a cleaning component is also arranged between the air inlet part and the filter screen in the filter cartridge body, and the cleaning component is linked with an air inlet machine in the air inlet part; a rotatable spraying component is arranged in the other side of the filtering cylinder body, and an air guide component is arranged in the filtering cylinder body between the spraying component and the air exhaust part. The embodiment of the invention can effectively avoid the problem of local blockage of the filter screen caused by over concentration of waste gas, and can further clean the filtering surface of the filter screen, thereby realizing the continuity of waste gas filtering and ensuring the filtering effect and the filtering efficiency.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a waste gas filter based on new energy.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process. Especially chemical plants, steel plants, pharmaceutical plants, coking plants and oil refineries, etc., the discharged waste gas has large odor, seriously pollutes the environment and affects the human health.
The waste gas purification mainly refers to the treatment of industrial waste gas generated in industrial places, such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas. Common waste gas purification includes factory smoke waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas peculiar smell purification, acid-base waste gas purification, chemical waste gas purification and the like.
Traditional exhaust gas filtering device single structure, filterable inefficiency can't carry out effectual holding back to the impurity in the air, and the practicality is low. For this reason, we propose a new energy based exhaust gas filter.
Disclosure of Invention
The invention aims to provide an exhaust gas filter based on new energy to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a waste gas filter based on new energy comprises a filtering cylinder body transversely erected on a supporting frame, wherein the supporting frame is fixedly erected at the top of a base; an air inlet part and an air exhaust part are respectively arranged at two ends of the filtering cylinder body; a filter screen is arranged on one side, close to the air inlet part, in the filter cartridge body, a cleaning component is also arranged between the air inlet part and the filter screen in the filter cartridge body, and the cleaning component is linked with an air inlet machine in the air inlet part;
a rotatable spraying component is arranged in the other side of the filtering cylinder body, and an air guide component is arranged in the filtering cylinder body between the spraying component and the air exhaust part.
As a further scheme of the invention: the cleaning assembly comprises an air homogenizing turntable which is linked with an air inlet machine in the air inlet part and is rotatably arranged in the filter cylinder body, at least three air homogenizing ports are formed in one side of the air homogenizing turntable, and air flow between two sides of the air homogenizing turntable in the filter cylinder body is circulated through the arranged air homogenizing ports;
the other side surface of the gas-homogenizing rotary disc is provided with a cleaning rod of which the cleaning surface is contacted with the surface of the filter screen through a plurality of elastic supporting piece supporting frames.
As a further scheme of the invention: even gas carousel has the support pivot along its axis fixed mounting, the other end of support pivot with through reduction gear drive connection between the air inlet machine in the air inlet portion.
As a further scheme of the invention: the spraying component comprises a hollow rotating rod which is rotatably arranged at the top of the filtering barrel in a penetrating manner, a supporting tube is arranged at the bottom end of the hollow rotating rod in the filtering barrel in a communicating manner, liquid spraying tubes are arranged at the bottoms of the two ends of the supporting tube in a communicating manner, a plurality of atomizing nozzles are arranged on each liquid spraying tube, clear water is introduced into the hollow rotating rod, the clear water flows through the supporting tube and then enters the liquid spraying tubes, and the clear water entering the liquid spraying tubes is atomized and sprayed out through the atomizing nozzles, so that the further purification effect of the waste gas filtered by the filtering net is achieved;
as a further scheme of the invention: the air guide assembly comprises a first air guide partition plate and a second air guide partition plate which are installed in the filter cylinder body in a staggered mode.
As a further scheme of the invention: set up collection sediment chamber in the base, wherein the top in collection sediment chamber with it is linked together through slag discharging channel to filter between the barrel, wherein the uncovered department in slag discharging channel top is located between even gas carousel and the filter screen, and the filter residue after the filter screen filtration and the filter residue of removing from the filter screen upper surface all get into and collect at collection sediment intracavity through slag discharging channel.
As a further scheme of the invention: and the base is also provided with an electric push rod for pushing the sealing block to move to block the slag discharge channel.
As a further scheme of the invention: a water collecting cavity is also formed in the base;
and the bottom of the filtering cylinder is communicated with a liquid accumulation eduction tube positioned under the spraying assembly, and a liquid outlet at the bottom end of the liquid accumulation eduction tube extends into an inner cavity at the lower part of the water collecting cavity.
As a further scheme of the invention: a liquid pump is further arranged in the water collecting cavity, a liquid outlet end of the liquid pump is connected with a circulating liquid pipe, the other end of the circulating liquid pipe is communicated with the top end of the hollow rotating rod through a rotary joint, and under the action of the liquid pump, clean water in the water collecting cavity enters the hollow rotating rod through the circulating liquid pipe; furthermore, a filter residue net is further arranged in the water collecting cavity, and the accumulated liquid lead-out pipe and the liquid pump are respectively positioned on two sides of the filter residue net.
As a further scheme of the invention: the bottom of the filtering cylinder body is also provided with a flow guide base corresponding to the top of the accumulated liquid eduction tube.
As a further scheme of the invention: the supporting frame is provided with a driving assembly for driving the spraying assembly to rotate;
the drive assembly is including installing the driving motor of braced frame top surface, install the driving gear on driving motor's the output shaft, be located the fixed cup joint of cavity dwang outer lane of braced frame top with driving gear engaged with driven gear.
Compared with the prior art, in the exhaust gas filter provided by the embodiment of the invention, under the combined action of the air inlet part and the air exhaust part, flowing air flow is formed in the filter cylinder body, and the exhaust gas entering the filter cylinder body is uniformly blown to the filter screen through the air uniformizing turntable which does circular motion, so that the problem of local blockage of the filter screen caused by over concentration of the exhaust gas can be effectively avoided;
meanwhile, under the supporting action of the elastic supporting piece, the cleaning rod which does circular motion clings to the filtering surface of the filtering net, and the filtering surface of the filtering net can be further cleaned, so that the continuity of waste gas filtering is ensured, the surface of the filtering net does not need to be cleaned by disassembling, and the filtering effect and the filtering efficiency are ensured;
the waste gas filtered by the filter screen is further purified under the action of the spraying assembly, and the spraying water can be recycled, so that the environment is saved; the waste gas after being fully filtered and purified forms clean air, and the air is exhausted through the air exhaust part.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of an exhaust gas filter based on new energy according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic perspective view of a cleaning assembly in an exhaust gas filter based on new energy according to an embodiment of the present invention.
In the figure: 10-a filtering cylinder body, 20-a supporting frame, 30-an air inlet part, 40-an air exhaust part, 50-a base, 60-a cleaning component, 70-a spraying component, 80-an air guide component and 90-a driving component;
101-a filter screen, 102-a flow guide base;
501-a slag collecting cavity, 502-a water collecting cavity, 503-an electric push rod, 504-a sealing block, 505-an accumulated liquid outlet pipe, 506-a liquid pump, 507-a filter residue net, 508-a circulating liquid pipe and 509-a slag discharging channel;
601-air homogenizing turntable, 602-air homogenizing port, 603-elastic support, 604-support rotating shaft, 605-cleaning rod;
701-hollow rotating rod, 702-supporting tube, 703-liquid spraying tube, 704-atomizing nozzle, 705-rotary joint;
801-a first air guiding partition plate, 802-a second air guiding partition plate;
901-drive motor, 902-drive gear, 903-driven gear.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, in one embodiment of the present invention, a new energy-based exhaust gas filter includes a filter cylinder 10 transversely mounted on a support frame 20, wherein the support frame 20 is fixed on the top of a base 50; the two ends of the filtering cylinder 10 are respectively provided with an air inlet part 30 and an air outlet part 40; a filter screen 101 is arranged on one side, close to the air inlet part 30, in the filter cylinder 10, a cleaning component 60 positioned between the air inlet part 30 and the filter screen 101 is also arranged in the filter cylinder 10, and the cleaning component 60 is linked with an air inlet machine in the air inlet part 30;
further, a rotatable spraying component 70 is arranged in the other side of the filtering cylinder 10, and an air guide component 80 is arranged in the filtering cylinder 10 between the spraying component 70 and the air exhaust part 40;
specifically, with continuing reference to fig. 1-3, in the embodiment of the present invention, the cleaning assembly includes an air distribution rotating disc 601 linked with the air inlet fan in the air inlet portion 30 and rotatably disposed in the filtering cylinder 10, one side of the air distribution rotating disc 601 is disposed with at least three air distribution openings 602, and the air flow between two sides of the air distribution rotating disc 601 in the filtering cylinder 10 is communicated through the disposed air distribution openings 602; the other side surface of the gas homogenizing turntable 601 is provided with a cleaning rod 605 of which the cleaning surface is contacted with the surface of the filter screen 101 through a plurality of elastic supporting pieces 603 supporting frames;
when the air inlet machine of the air inlet part 30 rotates, the air uniformizing turntable 601 can be driven to rotate, in the rotating process of the air uniformizing turntable 601, the air uniformizing opening 602 which performs circular motion can enable air flow to be uniformly blown to the filter screen 101, so that the problem that the filter screen 101 at one position is easy to block due to the fact that the air flow is excessively concentrated at one position of the filter screen 101 is solved, the rotating air uniformizing turntable 601 can drive the cleaning rod 605 to perform circular motion, at the moment, the cleaning rod 605 can be used for cleaning the filtering surface of the filter screen 101, and under the supporting action of the elastic supporting piece 603, the cleaning rod 605 can be guaranteed to be fully contacted with the surface of the filter screen 101, so that the cleaning effect is guaranteed;
further, in the embodiment of the present invention, a supporting rotating shaft 604 is fixedly installed on the even air turntable 601 along a central axis thereof, and the other end of the supporting rotating shaft 604 is drivingly connected to the air inlet fan in the air inlet portion 30 through a speed reducer.
Referring to fig. 1, in the embodiment of the present invention, the spraying assembly 70 includes a hollow rotating rod 701 rotatably penetrating the top of the filtering cylinder 10, a supporting tube 702 is connected to the bottom end of the hollow rotating rod 701 disposed in the filtering cylinder 10, liquid spraying tubes 703 are connected to the bottoms of the two ends of the supporting tube 702, each liquid spraying tube 703 is provided with a plurality of atomizing nozzles 704, clean water flows through the supporting tube 702 and then enters the liquid spraying tube 703 through the hollow rotating rod 701, and the clean water entering the liquid spraying tube 703 is atomized and sprayed out through the atomizing nozzles 704, so as to further purify the exhaust gas filtered by the filter screen 101;
in the embodiment provided by the present invention, the air guiding assembly 80 includes a first air guiding partition plate 801 and a second air guiding partition plate 802 installed in the filtering cylinder 10 in a staggered manner.
As shown in fig. 1-3, in another embodiment provided by the present invention, a slag collecting cavity 501 and a water collecting cavity 502 are respectively disposed in the base 50, wherein the top of the slag collecting cavity 501 is communicated with the filter cylinder 10 through a slag discharging channel 509, an opening at the top of the slag discharging channel 509 is located between the gas homogenizing turntable 601 and the filter screen 101, and the slag filtered by the filter screen 101 and the filter residue cleaned from the upper surface of the filter screen 101 both enter through the slag discharging channel 509 and are collected in the slag collecting cavity 501;
further, an electric push rod 503 for pushing the sealing and blocking block 504 to move to block the slag discharge passage 509 is further arranged on the base 50;
in the embodiment of the present invention, the bottom of the filtering cylinder 10 is provided with a effusion outlet pipe 505 located right below the spraying assembly 70, and a liquid outlet at the bottom end of the effusion outlet pipe 505 extends into the lower inner cavity of the water collecting cavity 502; a liquid pump 506 is further arranged in the water collecting cavity 502, a liquid outlet end of the liquid pump 506 is connected with a circulating liquid pipe 508, and the other end of the circulating liquid pipe 508 is communicated with the top end of the hollow rotating rod 701 through a rotary joint 705;
under the action of the liquid pump 506, clean water in the water collection cavity 502 enters the hollow rotating rod 701 through the circulating liquid pipe 508; further, a residue filtering net 507 is further arranged in the water collecting cavity 502, and the effusion outlet pipe 505 and the liquid pump 506 are respectively positioned on two sides of the residue filtering net 507.
Further, the bottom of the filtering cylinder 10 is also provided with a flow guide base 102 corresponding to the top of the effusion outlet pipe 505;
further, in the embodiment of the present invention, a driving assembly 90 for driving the spraying assembly 70 to rotate is mounted on the supporting frame 20; specifically, the driving assembly 90 includes a driving motor 901 installed on the top surface of the supporting frame 20, a driving gear 902 is installed on an output shaft of the driving motor 901, and a driven gear 903 engaged with the driving gear 902 is fixedly sleeved on an outer ring of a hollow rotating rod 701 located above the supporting frame 20; in this embodiment, a driving gear 902 is driven to rotate by a driving motor 901 which is powered on and started, and a hollow rotating rod 701 with a driven gear 903 thereon is driven to rotate.
In the exhaust gas filter provided by the embodiment of the invention, under the combined action of the air inlet part 30 and the air exhaust part 40, flowing air flow is formed in the filter cylinder 10, and exhaust gas entering the filter cylinder 10 is uniformly blown to the filter screen 101 through the air uniformizing turntable 601 which does circular motion, so that the problem of local blockage of the filter screen 101 caused by over concentration of the exhaust gas can be effectively avoided; meanwhile, under the supporting action of the elastic supporting piece 603, the cleaning rod 605 which does circular motion clings to the filtering surface of the filtering net 101, and the filtering surface of the filtering net 101 can be further cleaned, so that the continuity of waste gas filtering is ensured, the surface of the filtering net 101 does not need to be cleaned by disassembling, and the filtering effect and the filtering efficiency are ensured; the waste gas filtered by the filter screen 101 is further purified under the action of the spraying component 70, and the spraying water can be recycled, so that the environment is saved; the exhaust gas after being sufficiently filtered and purified forms clean air, and the air is discharged through the exhaust part 40.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The waste gas filter based on new energy is characterized by comprising a filtering cylinder body (10) transversely erected on a supporting frame (20), wherein the supporting frame (20) is fixedly arranged at the top of a base (50); an air inlet part (30) and an air outlet part (40) are respectively arranged at two ends of the filtering cylinder body (10);
a filter screen (101) is arranged on one side, close to the air inlet part (30), in the filter cylinder body (10), and a cleaning assembly (60) positioned between the air inlet part (30) and the filter screen (101) is further arranged in the filter cylinder body (10);
the cleaning component (60) is linked with an air inlet machine in the air inlet part (30);
a rotatable spraying component (70) is also arranged in the other side of the filtering cylinder body (10), and an air guide component (80) is also arranged in the filtering cylinder body (10) between the spraying component (70) and the air exhaust part (40);
the cleaning assembly comprises an air homogenizing rotary disc (601) which is linked with an air inlet machine in the air inlet part (30) and is rotatably arranged in the filtering cylinder body (10), at least three air homogenizing ports (602) are formed in one side of the air homogenizing rotary disc (601), and air flow between two sides of the air homogenizing rotary disc (601) in the filtering cylinder body (10) is communicated through the arranged air homogenizing ports (602);
the other side surface of the gas homogenizing turntable (601) is provided with a cleaning rod (605) of which the cleaning surface is contacted with the surface of the filter screen (101) through a plurality of elastic supporting pieces (603) supporting frames;
the air uniformizing rotary disc (601) is fixedly provided with a supporting rotary shaft (604) along the central axis thereof, and the other end of the supporting rotary shaft (604) is in driving connection with an air inlet machine in the air inlet part (30) through a speed reducer;
the spraying component (70) comprises a hollow rotating rod (701) which is rotatably arranged at the top of the filtering cylinder body (10) in a penetrating way, a supporting pipe (702) is arranged at the bottom end of the hollow rotating rod (701) arranged in the filtering cylinder body (10) in a communicating way, liquid spraying pipes (703) are arranged at the bottoms of two ends of the supporting pipe (702) in a communicating way, and a plurality of atomizing nozzles (704) are arranged on each liquid spraying pipe (703);
the air guide assembly (80) comprises a first air guide partition plate (801) and a second air guide partition plate (802) which are installed in the filtering cylinder body (10) in a staggered mode.
2. The new energy based exhaust gas filter according to claim 1, wherein a slag collecting cavity (501) is formed in the base (50), wherein the top of the slag collecting cavity (501) is communicated with the filter cylinder (10) through a slag discharging channel (509), and the opening of the top of the slag discharging channel (509) is located between the gas homogenizing rotating disc (601) and the filter screen (101).
3. The new energy based exhaust gas filter according to claim 2, wherein the base (50) is further provided with an electric push rod (503) for pushing the sealing block (504) to move to block the slag discharge passage (509).
4. The new energy based exhaust gas filter as claimed in claim 2, wherein a water collecting cavity (502) is further formed in the base (50);
the bottom of the filtering cylinder body (10) is communicated with a liquid accumulation eduction tube (505) which is positioned under the spraying assembly (70), and a liquid outlet at the bottom end of the liquid accumulation eduction tube (505) extends into an inner cavity at the lower part of the water collection cavity (502).
5. The new energy based exhaust gas filter is characterized in that a liquid pump (506) is further arranged in the water collecting cavity (502), a liquid outlet end of the liquid pump (506) is connected with a liquid circulating pipe (508), and the other end of the liquid circulating pipe (508) is communicated with the top end of the hollow rotating rod (701) through a rotating joint (705);
still be equipped with residue net (507) in water collection cavity (502), hydrops stand-off pipe (505) and liquid pump (506) are located the both sides of residue net (507) respectively.
6. The new energy based exhaust gas filter according to claim 1, wherein a driving assembly (90) for driving the spray assembly (70) to rotate is mounted on the support frame (20);
the driving assembly (90) comprises a driving motor (901) arranged on the top surface of the supporting frame (20), and an output shaft of the driving motor (901) is provided with a driving gear (902);
and a driven gear (903) meshed with the driving gear (902) is fixedly sleeved on the outer ring of the hollow rotating rod (701) above the supporting frame (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910690792.2A CN110302625B (en) | 2019-07-29 | 2019-07-29 | Exhaust gas filter based on new forms of energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910690792.2A CN110302625B (en) | 2019-07-29 | 2019-07-29 | Exhaust gas filter based on new forms of energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110302625A CN110302625A (en) | 2019-10-08 |
| CN110302625B true CN110302625B (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910690792.2A Expired - Fee Related CN110302625B (en) | 2019-07-29 | 2019-07-29 | Exhaust gas filter based on new forms of energy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111227697B (en) * | 2020-03-06 | 2021-11-09 | 浙江英特汉莎智能科技有限公司 | Hand dryer capable of automatically cleaning air separation net |
| CN115282706A (en) * | 2022-10-08 | 2022-11-04 | 江苏云天新材料制造有限公司 | Atmospheric environmental pollution monitoring administers device |
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| CN205579595U (en) * | 2016-04-01 | 2016-09-14 | 北京威力尔德科贸有限公司 | Processing apparatus is synthesized to efficient waste gas |
| CN207024905U (en) * | 2017-06-12 | 2018-02-23 | 湖南省第三工程有限公司 | It is a kind of can automatic dust removing exterior wall blast cap |
| CN109432926A (en) * | 2018-11-14 | 2019-03-08 | 甘肃佳泰商贸有限公司 | A kind of electrolytic aluminium processing dust emission device |
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Granted publication date: 20200221 Termination date: 20210729 |