CN111686535B - Dust collector of refuse treatment system - Google Patents
Dust collector of refuse treatment system Download PDFInfo
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- CN111686535B CN111686535B CN202010574330.7A CN202010574330A CN111686535B CN 111686535 B CN111686535 B CN 111686535B CN 202010574330 A CN202010574330 A CN 202010574330A CN 111686535 B CN111686535 B CN 111686535B
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- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/08—Means for controlling the separation process
Abstract
The utility model relates to a refuse treatment technical field especially relates to a dust collector of refuse treatment system, includes: the dust-bonding device comprises a dust blowing-out spray pipe, a dust bonding bubble blowing-out pipe, a control unit, a dust concentration detector and a liquid recovery and separation device; the spraying end of the dust blowing-out spray pipe extends out of the interior of the shell of the garbage treatment equipment, the gas blowing-in end of the dust blowing-out spray pipe is connected with a blower, and dust floating around the garbage treatment equipment is blown away from the garbage treatment equipment; the blowing end of the blowing pipe is positioned outside the garbage treatment equipment through the dust bonding bubble, a certain distance is reserved between the blowing end of the blowing pipe and the spraying end of the dust blowing spray pipe, and the generated bonding bubble is blown in the direction far away from the garbage treatment equipment; thereby dust such as dust particle, rubbish granule that produce among the refuse treatment process has been reduced to improve refuse handling installation's working life, ensured that the staff's is healthy.
Description
Technical Field
The application relates to the technical field of garbage treatment, in particular to a dust removal device of a garbage treatment system.
Background
With the increase of urban population and the improvement of the living standard of people, the yield of urban domestic garbage is increased, and the harm to the environment is increased, so that the treatment of the urban domestic garbage is particularly important.
At present, for the treatment of municipal solid waste, the municipal solid waste is generally collected uniformly and stored in a waste storage pit, and during the treatment, the municipal solid waste in the waste storage pit is firstly crushed by a waste crusher so as to treat the waste with larger volume into the waste with smaller volume; screening the crushed garbage through screening equipment so as to further sort out the garbage with different standard volumes from the volumes; then separate different standard size's rubbish through equipment such as light sorter, organic matter sorter and glass sorting unit, specifically include: sorting light garbage, sorting organic garbage and sorting glass and metal to sort out different kinds of garbage so as to ensure that the subsequent processes can treat different kinds of garbage respectively.
However, in the process of processing garbage, garbage processing equipment such as garbage crushers, screening equipment, light weight sorting machines, organic matter sorting machines and glass sorting devices are easy to generate dust particles, garbage particles and the like, which are collectively called as dust below, so that air and surrounding environment are seriously affected, the physical health of workers in the environment is greatly affected, and the service life of the garbage processing equipment working in the environment is also greatly affected.
Therefore, how to reduce the dust generated in the garbage disposal process to improve the working life of the garbage disposal equipment and ensure the health of workers is a technical problem which needs to be solved by the technicians in the field at present.
Disclosure of Invention
The application provides a dust collector of refuse handling system has reduced dust particles, dust such as rubbish granule that produce among the refuse handling process to improve refuse handling installation's working life, ensured that the staff's is healthy.
In order to solve the technical problem, the application provides the following technical scheme:
a dust extraction device for a waste management system, comprising: the dust-bonding device comprises a dust blowing-out spray pipe, a dust bonding bubble blowing-out pipe, a control unit, a dust concentration detector and a liquid recovery and separation device; the spraying end of the dust blowing-out spray pipe extends out of the interior of the shell of the garbage treatment equipment, and the gas blowing-in end of the dust blowing-out spray pipe is connected with a blower so as to blow the dust floating around the garbage treatment equipment in a direction away from the garbage treatment equipment by blowing gas into the dust blowing-out spray pipe; the blowing end of the dust bonding bubble blowing pipe is positioned outside the garbage treatment equipment, a certain distance is reserved between the blowing end of the dust bonding bubble blowing pipe and the spraying end of the dust blowing spray pipe, and the generated bonding bubbles are blown in the direction far away from the garbage treatment equipment; the dust concentration detector is positioned outside the garbage treatment equipment and used for detecting the concentration of dust outside the garbage treatment equipment, and the dust concentration detector transmits the detected dust concentration to the control unit, so that the control unit controls the speed of the bonding bubbles blown out from the dust bonding bubble blowing-out pipe according to the dust concentration; the liquid recovery and separation device is positioned under the ground of the space where the garbage disposal equipment is positioned and is used for collecting the liquid and the mixed dust after the bonding bubbles falling on the ground are broken.
The dust removing device of the waste disposal system as described above, wherein it is preferable that a port of the ejection end of the dust blow-out nozzle is flush with an outer surface of the housing of the waste disposal apparatus.
In the dust removing device for a refuse handling system as described above, it is preferable that the dust blowing nozzle at the outlet end directed above the refuse handling equipment is provided in an inclined shape inclined toward the side surface of the refuse handling equipment.
The dust removing device of the garbage disposal system as described above, wherein preferably the dust adhesion bubble blow-out pipe comprises: the bonding bubble generating device is arranged inside the blowing pipe, blows gas into the blowing pipe through the blower, blows the generated bonding bubbles out of the blowing pipe, and blows the bonding bubbles in a direction far away from the garbage treatment equipment.
The dust removing device of the garbage disposal system as described above, wherein preferably, the bonding bubble generating device comprises: a bonding bubble liquid containing box, a rotating shaft, a bubble generating ring, a connecting rod and a blowing fan; a plurality of connecting rods are fixed on the circumferential direction of the rotating shaft, the front end of each connecting rod is connected with the bubble generating ring, the rotating shaft is radially connected with the motor so as to drive the rotating shaft to drive the connecting rods and the bubble generating rings to rotate, and the bubble generating rings can extend into liquid contained in the bonding bubble liquid containing box in the rotating process; the blowing fan is located behind the connecting bar and the bubble generating ring, and blows the liquid carried out of the bubble generating ring from the bubble liquid containing box into the bonding bubbles by blowing air to the front.
The dust removing device of the garbage disposal system as described above, wherein preferably, the bonding bubble generating device further comprises: the short pipe, the bonding bubble liquid holds box, axis of rotation, papaw and produces the ring, connecting rod and the fan of blowing all be located the short pipe, the short pipe is located the blowing pipe.
The dust removing device of the garbage disposal system as described above, wherein the control unit preferably controls the speed of the binding bubbles blown out from the dust binding bubble blowing pipe by controlling the rotation speed of the motor connected to the rotating shaft.
The dust removing device of the refuse handling system as described above, wherein the dust concentration detector is preferably located between a port of the ejection end of the dust blow-out nozzle and a port of the blow-out end of the dust adhesion bubble blow-out pipe.
The dust removing device of the garbage disposal system as described above, wherein the liquid recovery and separation device is preferably disposed below the garbage disposal apparatus.
The dust removing device of the garbage disposal system as described above preferably further comprises: and the flushing device is positioned outside the garbage treatment equipment and flushes along the direction of the ground facing the liquid recovery and separation device.
Compared with the background technology, the dust removal device of the garbage disposal system provided by the invention can reduce dust particles, garbage particles and other dust generated in the garbage disposal process, can prolong the service life of garbage disposal equipment, and can ensure the physical health of workers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of a dust collector of a waste treatment system provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a control system of a dust removing device provided by an embodiment of the present application;
fig. 3 is a schematic view of a dust bonding bubble blowing pipe of the dust removing device according to the embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Referring to fig. 1 to 3, the present application provides a dust removing device of a garbage disposal system, including: a dust blow-out nozzle 110, a dust adhesion bubble blow-out pipe 120, a control unit 130, a dust concentration detector 140, and a liquid recovery and separation device 150.
The garbage disposal apparatus 100 (e.g., a garbage crusher, a screening apparatus, a light-weight sorting machine, an organic matter sorting machine, a glass sorting device, etc.) generates much dust such as dust particles, garbage particles, etc. during the garbage disposal process, the dust will float in the air in the space where the garbage disposal apparatus 100 is located, especially will float around the garbage disposal apparatus 100, and will affect the health of workers working in the environment, and the dust will fall onto the parts of the garbage disposal apparatus 100, which will also affect the service life of the garbage disposal apparatus 100.
In the present application, the ejection end of the dust blowout nozzle 110 protrudes from the inside to the outside of the housing of the garbage disposal apparatus 100, and the gas blowing end of the dust blowout nozzle 110 is connected to a blower to blow gas into the dust blowout nozzle 110, so that the gas is blown out through the dust blowout nozzle 110 to blow off dust floating around the garbage disposal apparatus 100 in a direction away from the garbage disposal apparatus 100. Preferably, the port of the ejection end of the dust blow-out nozzle 110 is flush with the outer surface of the housing of the garbage disposal apparatus 100 to blow out dust particles and garbage particles floating around the housing of the garbage disposal apparatus 100 to the maximum extent.
Specifically, the plurality of dust blow-out nozzles 110 are uniformly distributed on the housing of the garbage disposal apparatus 100, that is, every adjacent two dust blow-out nozzles 110 have an equal distance therebetween. In addition, in order to blow out the dust floating around the refuse handling apparatus 100 to the outside over a wide range, it is preferable that a port of the ejection end of the dust blow-out nozzle 110 is formed in a horn shape, and a larger end of the horn-shaped port is fixedly connected to the housing of the refuse handling apparatus 100.
In addition, in order to further blow off the dust in a direction away from the garbage disposal apparatus 100, the dust blow-off nozzle 110 having a port at the blow-off end directed upward of the garbage disposal apparatus 100 is provided in an inclined shape inclined toward the side surface of the garbage disposal apparatus 100 so that the dust can be blown off in the direction of the side surface of the garbage disposal apparatus 100 when being blown off outward from the upper side of the garbage disposal apparatus 100.
The blowing end of the dust adhesion bubble blowing pipe 120 is located outside the garbage disposal apparatus 100, and blows off the generated adhesion bubbles in a direction away from the garbage disposal apparatus, and on this basis, a certain distance (for example, 5cm to 10cm) is provided between the blowing end of the dust adhesion bubble blowing pipe 120 and the ejection end of the dust blowing nozzle 110. Specifically, the dust binding bubble blown out tube 120 includes: a blowpipe 121 and a bonding bubble generating device 122, the bonding bubble generating device 122 is provided inside the blowpipe 121 and generates bonding bubbles for bonding dust floating in the air, the blowpipe 121 is connected to a blower (not shown) to blow air into the blowpipe 121 by the blower, and the bonding bubbles generated by the bonding bubble generating device 122 at the blowpipe 121 are blown out of the blowpipe 121 and blown away from the garbage disposal facility 100.
Because the dust blows out spray tube 110 and can blow the dust to the direction of keeping away from refuse handling installation 100 to the bonding bubble that dust bonding bubble blown out pipe 120 blown out also blows to the direction of keeping away from refuse handling installation 100, at this in-process, the bonding bubble will keep away from refuse handling installation 100 equally dust bonding on the bonding bubble, thereby avoided the comparatively scattered float of dust in the air, and then ensured the staff's of working under this environment healthy. In addition, in the process, even if the bonding bubbles fall down, the distance between the bonding bubbles falling on the ground and the garbage disposal device 100 is long, or even if the bonding bubbles float to be separated from a certain distance and then break, the distance between the position where the broken bonding bubble liquid and dust mixed liquid falls and the garbage disposal device 100 is long, so that the free floating dust content in the air near the garbage disposal device 100 is reduced, the body health of workers working around the garbage disposal device 100 can be ensured, the dust is prevented from being accumulated in the garbage disposal device 100, or the dust is prevented from falling into the garbage disposal device 100, and the service life of the garbage disposal device 100 can be prolonged.
On the basis of the above, the plurality of dust adhesion bubble blowing pipes 120 are uniformly distributed outside the garbage disposal apparatus 100, that is, an equal distance is provided between every two adjacent dust adhesion bubble blowing pipes 120. In addition, the dust blowing nozzle 110 and the dust bonding bubble blowing pipe 120 may be arranged in a quincunx shape, and of course, the dust blowing nozzle 110 and the dust bonding bubble blowing pipe 120 may be distributed in other forms.
In addition, referring to fig. 2, the bonding bubble generating device 122 includes: a bonding bubble liquid containing box 1221, a rotation shaft 1222, a bubble generating ring 1223, a connection shaft 1224, and a blowing fan 1225, a plurality of connection shafts 1224 are fixed to a circumferential direction of the rotation shaft 1222, a front end of each of the connection shafts 1224 is connected with the bubble generating ring 1223, a radial direction of the rotation shaft 1222 is connected with a motor to drive the rotation shaft 1222 to rotate the connection shafts 1224 and the bubble generating ring 1223, and the bubble generating ring 1223 can protrude into the liquid contained in the bonding bubble liquid containing box 1221 during the rotation, the blowing fan 1225 is located behind the connection shafts 1224 and the bubble generating ring 1223 to blow wind forward to blow the liquid carried by the bubble generating ring 1223 from the bonding bubble liquid containing box 1221 into bonding bubbles. On this basis, the bonding bubble generating device 122 further includes: one section short pipe 1226, the bonding bubble liquid holding box 1221, the rotation shaft 1222, the bubble generating ring 1223, the connection rod 1224 and the blowing fan 1225 are all located in this short pipe 1226 to blow out the bonding bubble from this short pipe 1226, and this short pipe 1226 is installed in the blowing pipe 121, will produce the bonding bubble through this short pipe 1226 and outwards blow out the effectual isolation of bonding bubble, has avoided the air-blower to blow out the bonding bubble outside to influence the blowing fan 1225 and blow out the bonding bubble.
Referring to fig. 3, a dust concentration detector 140 is located outside the dust processing apparatus 100 for detecting the concentration of dust outside the dust processing apparatus 100, and preferably the dust concentration detector 140 is located between a port of the ejection end of the dust blowing out nozzle 110 and a port of the blowing end of the dust adhesion bubble blowing out pipe 120, and the dust concentration detector 140 is in communication connection with the control unit 130 to transmit the detected dust concentration to the control unit 130.
After receiving the dust concentration sent by the dust concentration detector 140, the control unit 130 controls the speed of the bonding bubbles blown out from the dust bonding bubble blowing pipe 120 according to the dust concentration, thereby ensuring that the dust concentration outside the garbage disposal apparatus 100 is within a predetermined range.
Specifically, that is, the control unit 130 controls the rotation speed of the motor 170 of the adhesion bubble generating means 122 connected to the rotation shaft 1222. Preferably, the control unit 130 includes: a communication module that receives the dust concentration sent from the dust concentration detector 140 and sends the dust concentration to a calculation module that obtains the rotation speed of the motor 170 of the adhesion bubble generation device 122 connected to the rotation shaft 1222 according to a rotation speed calculation model established in advance and based on the rotation speed calculation model
Obtained wherein V is the rotation speed of the motor 170 connected to the rotation shaft 1222 and α is the standard concentration (the standard concentration is the allowable dust concentration in the factory where the garbage disposal apparatus is located, for example, 10 mg/m)3) Y is the measured dust concentration measured by the dust concentration detector 140, v is the rotational speed of the motor 170 at the standard concentration (value 350 rpm), N is the number of bubble generation rings 1223 of the bonded bubble generation device 122, N is the number of bubble generation rings 1223 of the standard bonded bubble generation device 122 (value 6), and e is a correction coefficient and value 15.89. After the calculation module calculates the rotation speed of the motor 170, the communication module transmits the rotation speed of the motor 170 to the motor 170, and controls the rotation speed of the motor 170 according to the rotation speed.
In addition, the control unit 130 further includes: a model building module, the communication module receives the dust concentration of the dust concentration detector 140 and the rotation speed of the motor 170 measured by the rotation speed detector, and transmits the dust concentration and the rotation speed to the model building module, and the model building module generates rings 1223 according to the dust concentration, the rotation speed, and the number of bubbles generated by the bubble generating device 122 according to the dust concentration, the rotation speed, and the number of bubbles
And establishing a mathematical regression analysis model so as to obtain a rotating speed calculation model.
In addition, the liquid recovery and separation device 150 is located under the floor of the space where the garbage disposal apparatus 100 is located, and collects the liquid and the mixed dust after the adhesive bubbles falling on the floor are broken, and preferably, the liquid recovery and separation device is disposed under the garbage disposal apparatus 100.
On the basis, the dust removal device of the garbage disposal system further comprises: and the flushing device 160 is positioned outside the garbage treatment equipment 100, and flushes along the direction of the ground facing the liquid recovery and separation device 150 so as to facilitate the flow of dust and the liquid after the bonding bubbles are broken to the liquid recovery and separation device 150.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A dust collector of a garbage disposal system, comprising: the dust-bonding device comprises a dust blowing-out spray pipe, a dust bonding bubble blowing-out pipe, a control unit, a dust concentration detector and a liquid recovery and separation device;
the spraying end of the dust blowing-out spray pipe extends out of the interior of the shell of the garbage treatment equipment, and the gas blowing-in end of the dust blowing-out spray pipe is connected with a blower so as to blow the dust floating around the garbage treatment equipment in a direction away from the garbage treatment equipment by blowing gas into the dust blowing-out spray pipe;
the blowing end of the dust bonding bubble blowing pipe is positioned outside the garbage treatment equipment, a certain distance is reserved between the blowing end of the dust bonding bubble blowing pipe and the spraying end of the dust blowing spray pipe, and the generated bonding bubbles are blown in the direction far away from the garbage treatment equipment;
the dust concentration detector is located the outside of refuse handling installation for detect the concentration of the outside dust of refuse handling installation, and dust concentration detector transmits the dust concentration who detects to the control unit, and the control unit includes: a communication module for receiving the dust concentration sent by the dust concentration detector and sending the dust concentration to the calculation module, and a calculation module for obtaining the rotation speed of the motor connected with the rotation shaft of the bonding bubble generation device according to a rotation speed calculation model established in advance according to the rotation speed calculation model
The process for obtaining a mixture of, among others,
the rotational speed of the motor connected to the rotating shaft,
Is at a standard concentration,
Is the actually measured dust concentration measured by a dust concentration detector,
The rotation speed of the motor under the standard concentration,
The number of bubble generation rings for bonding the bubble generation device,
The number of bubble generation rings for a standard bonded bubble generation apparatus,
In order to correct the coefficients of the coefficients,
taking a value of 15.89, after the calculation module calculates the rotating speed of the motor, the communication module sends the rotating speed of the motor to the motor, and controls the rotating speed of the motor according to the rotating speed so that the control unit controls the speed of the bonding bubbles blown out from the dust bonding bubble blowing pipe according to the dust concentration; the liquid recovery and separation device is positioned under the ground of the space where the garbage disposal equipment is positioned and is used for collecting the liquid and the mixed dust after the bonding bubbles falling on the ground are broken.
2. The dust removing device of a garbage disposal system according to claim 1, wherein a port of the ejection end of the dust blow-out nozzle is flush with an outer surface of a housing of the garbage disposal apparatus.
3. The dust removing device of a refuse disposal system according to claim 1 or 2, wherein the dust blow-out nozzle having a port at the blow-out end directed above the refuse disposal device is provided in an inclined shape inclined to a side surface of the refuse disposal device.
4. The dust removing device of a garbage disposal system according to claim 1 or 2, wherein the dust adhesion bubble blowing pipe comprises: the bonding bubble generating device is arranged inside the blowing pipe, blows gas into the blowing pipe through the blower, blows the generated bonding bubbles out of the blowing pipe, and blows the bonding bubbles in a direction far away from the garbage treatment equipment.
5. The dust removing device of a garbage disposal system according to claim 4, wherein the adhesion bubble generating means comprises: a bonding bubble liquid containing box, a rotating shaft, a bubble generating ring, a connecting rod and a blowing fan;
a plurality of connecting rods are fixed on the circumferential direction of the rotating shaft, the front end of each connecting rod is connected with the bubble generating ring, the rotating shaft is radially connected with the motor so as to drive the rotating shaft to drive the connecting rods and the bubble generating rings to rotate, and the bubble generating rings can extend into liquid contained in the bonding bubble liquid containing box in the rotating process;
the blowing fan is located behind the connecting bar and the bubble generating ring, and blows the liquid carried out of the bubble generating ring from the bubble liquid containing box into the bonding bubbles by blowing air to the front.
6. The dust removing device of a garbage disposal system according to claim 5, wherein the adhesion bubble generating means further comprises: the short pipe, the bonding bubble liquid holds box, axis of rotation, papaw and produces the ring, connecting rod and the fan of blowing all be located the short pipe, the short pipe is located the blowing pipe.
7. The dust removing device of a garbage disposal system according to claim 1 or 2, wherein the dust concentration detector is located between a port of the ejection end of the dust blow-out nozzle and a port of the blow-out end of the dust adhesion bubble blow-out pipe.
8. A dust removing device for a garbage disposal system according to claim 1 or 2, wherein the liquid recovery and separation device is provided below the garbage disposal apparatus.
9. The dust removing device of a garbage disposal system according to claim 1 or 2, further comprising: and the flushing device is positioned outside the garbage treatment equipment and flushes along the direction of the ground facing the liquid recovery and separation device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010574330.7A CN111686535B (en) | 2020-06-22 | 2020-06-22 | Dust collector of refuse treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010574330.7A CN111686535B (en) | 2020-06-22 | 2020-06-22 | Dust collector of refuse treatment system |
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| CN111686535A CN111686535A (en) | 2020-09-22 |
| CN111686535B true CN111686535B (en) | 2021-11-30 |
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Citations (5)
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| CN108854351A (en) * | 2018-07-12 | 2018-11-23 | 庄五 | A kind of industrial dust processing equipment of environmental protection |
| KR20190038500A (en) * | 2019-03-19 | 2019-04-08 | 안송길 | Ari pollution abatement device using bubble |
| CN110107337A (en) * | 2018-02-01 | 2019-08-09 | 北京源深节能技术有限责任公司 | Underground dust removal method |
| CN110124415A (en) * | 2019-04-26 | 2019-08-16 | 嘉兴市建设工程质量检测有限公司 | A kind of Architectural Engineering Environment monitoring device |
| CN210117681U (en) * | 2019-06-11 | 2020-02-28 | 山东小众户外精工科技有限公司 | Air outlet pipe with spraying function |
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2020
- 2020-06-22 CN CN202010574330.7A patent/CN111686535B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107337A (en) * | 2018-02-01 | 2019-08-09 | 北京源深节能技术有限责任公司 | Underground dust removal method |
| CN108854351A (en) * | 2018-07-12 | 2018-11-23 | 庄五 | A kind of industrial dust processing equipment of environmental protection |
| KR20190038500A (en) * | 2019-03-19 | 2019-04-08 | 안송길 | Ari pollution abatement device using bubble |
| CN110124415A (en) * | 2019-04-26 | 2019-08-16 | 嘉兴市建设工程质量检测有限公司 | A kind of Architectural Engineering Environment monitoring device |
| CN210117681U (en) * | 2019-06-11 | 2020-02-28 | 山东小众户外精工科技有限公司 | Air outlet pipe with spraying function |
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