CN216936484U - Dust electrostatic recovery device - Google Patents
Dust electrostatic recovery device Download PDFInfo
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- CN216936484U CN216936484U CN202123239873.2U CN202123239873U CN216936484U CN 216936484 U CN216936484 U CN 216936484U CN 202123239873 U CN202123239873 U CN 202123239873U CN 216936484 U CN216936484 U CN 216936484U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model discloses a dust electrostatic recovery device which comprises a shell, an electrostatic mechanism, a spraying mechanism and a wastewater treatment mechanism, wherein the shell is provided with an air inlet and an air outlet, the electrostatic mechanism is arranged in the shell, the spraying mechanism is arranged on one side of the electrostatic mechanism, the wastewater treatment mechanism is arranged below the electrostatic mechanism, the wastewater treatment mechanism comprises a sewage bin and a filtering mechanism, and the filtering mechanism is connected with the sewage bin and the spraying mechanism. According to the technical scheme, the dust particles in the waste gas are collected by adopting an electrostatic method, and then the oil stain forging dust on the electrostatic mechanism is flushed into the waste liquid bin by the water sprayed by the spraying mechanism, so that the problem that the electrostatic performance of the electrostatic mechanism is poor due to excessive dust particles accumulated on the electrostatic mechanism is avoided. The waste water is filtered by the filtering mechanism and oxide in the sludge is recovered, the filtered clear water is sprayed out by the spraying mechanism, the sprayed water can be recycled, and water resources are saved.
Description
Technical Field
The utility model relates to the technical field of forging and pressing, in particular to a dust electrostatic recovery device.
Background
In the industrial production process, hot forging and pressing are often adopted for forging and pressing tungsten and molybdenum, the hot forging and pressing temperature is higher, and the temperature is generally higher than the metal recrystallization temperature. During the forging and pressing process of tungsten and molybdenum, a large amount of dust is generally generated, the particle size of the generated dust is small, generally below 1um, and the tungsten and molybdenum forging process is not suitable for recovering particles by adopting processes such as a gravity settling method, a washing method and the like. The more effective process treatment method for the small-particle-size dust is a filtration method or an electrostatic method. Particulate matter in the exhaust gas is charged in the electrostatic corona section and is trapped on the electrostatic plates.
However, as forging oil is used in the tungsten-molybdenum forging process, the forging oil is heated and volatilized during forging, and the volatilized forging oil is condensed with ambient air at a lower temperature to form oil mist. The oil mist and the dust are mixed together, have certain viscosity, and are not suitable for waste gas treatment by adopting filtering processes such as a filter cylinder, a filter bag and the like. And as the dust particles are accumulated on the electrostatic plate, after the dust particles are accumulated to a certain thickness, the dust particles are cleaned by adopting a vibration beating method or a back blowing method, so that the dust particles are recycled into the dust barrel. The vibration beating method or the back blowing method has a good effect on non-viscous dry dust, but the effect on forging and pressing dust mixed with a large amount of oil dirt is difficult to achieve, so that more and more dust particles are accumulated on the electrostatic plate, and the longer the service time of the electrostatic plate is, the worse the electrostatic performance is.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a dust electrostatic recovery device, and aims to solve the problem that oil stain forging dust cannot be effectively treated by a vibration beating method or a back flushing method.
In order to achieve the above object, the present invention provides an electrostatic dust recycling apparatus, comprising:
the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air inlet and an air outlet;
the static mechanism is arranged in the shell, forging waste gas enters the shell from the air inlet, and clean air subjected to static treatment by the static mechanism is discharged from the air outlet;
the spraying mechanism is arranged on one side of the static mechanism and sprays the static mechanism;
wastewater treatment mechanism, wastewater treatment mechanism locates static mechanism below, wastewater treatment mechanism includes sewage storehouse and filtering mechanism, filtering mechanism with the sewage storehouse the mechanism that sprays connects, filtering mechanism filters the waste water in sewage storehouse, the clear water warp after the filtration spray the mechanism blowout.
Optionally, the spraying mechanism includes a flushing pipe and a nozzle, the flushing pipe is disposed on one side of the electrostatic mechanism, the nozzle is mounted on the flushing pipe, and the nozzle sprays the electrostatic mechanism.
Optionally, the filtering mechanism comprises a first suction device and a filtering device, an inlet of the first suction device is communicated with the dirty liquid bin, and an outlet of the first suction device is connected with the filtering device.
Optionally, the filter mechanism further includes a clean water tank and a second suction device, the clean water tank is disposed on one side of the filter device, the second suction device is connected to the flushing pipe, and the second suction device sucks clean water in the clean water tank to the flushing pipe and sprays out through the spray head.
Optionally, a first air equalizing plate is installed at the air inlet of the housing, and a second air equalizing plate is installed at the air outlet of the housing.
Optionally, a liquid guide plate is installed below the electrostatic mechanism, the liquid guide plate is connected with the dirty liquid bin, and the wastewater is guided into the dirty liquid bin along the liquid guide plate.
Optionally, the liquid guide plate is arranged obliquely towards the sewage bin.
Optionally, the electrostatic mechanism includes an electrostatic plate and a hole plate, the electrostatic plate is disposed in the housing, the spraying mechanism is disposed on one side of the electrostatic plate, the hole plate is disposed below the electrostatic plate, and the wastewater flows into the liquid guide plate through the hole plate and converges to the waste liquid bin.
Optionally, the side of the sewage bin is provided with a dredging opening, and the sewage flushes out the sludge from the dredging opening.
The utility model provides a dust electrostatic recovery device which comprises a shell, an electrostatic mechanism, a spraying mechanism and a wastewater treatment mechanism, wherein the shell is provided with an air inlet and an air outlet, the electrostatic mechanism is arranged in the shell, the spraying mechanism is arranged on one side of the electrostatic mechanism, the wastewater treatment mechanism is arranged below the electrostatic mechanism, the wastewater treatment mechanism comprises a dirty liquid bin and a filtering mechanism, and the filtering mechanism is connected with the dirty liquid bin and the spraying mechanism. According to the technical scheme, the dust particles in the waste gas are collected by adopting an electrostatic method, and then the oil stain forging dust on the electrostatic mechanism is flushed into the waste liquid bin by the water sprayed by the spraying mechanism, so that the problem that the electrostatic performance of the electrostatic mechanism is poor due to excessive dust particles accumulated on the electrostatic mechanism is avoided. The waste water is filtered by the filtering mechanism and oxide in the sludge is recovered, the filtered clear water is sprayed out by the spraying mechanism, the sprayed water can be recycled, and water resources are saved.
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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an electrostatic dust recycling apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural diagram of a filtering apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a forging apparatus according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name(s) | Reference numerals | Name (R) |
| 100 | |
22 | Orifice |
| 101 | Dust |
30 | |
| 102 | Forging and pressing |
31 | Flushing |
| 103 | |
32 | |
| 104 | |
40 | |
| 105 | |
41 | Sewage bin |
| 106 | |
42 | Desilting |
| 107 | |
43 | |
| 10 | |
44 | |
| 11 | Air inlet | 45 | |
| 12 | |
450 | |
| 13 | First |
451 | |
| 14 | Second |
46 | |
| 20 | |
47 | |
| 21 | |
50 | Liquid guide plate |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a dust electrostatic recovery device 101. Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an embodiment of an electrostatic dust recycling apparatus 101 according to the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; FIG. 3 is a schematic diagram of an embodiment of a filtering device 45 according to the present invention; fig. 4 is a schematic structural view of a forging apparatus 100 according to an embodiment of the present invention.
In the embodiment of the present invention, as shown in fig. 1, the electrostatic dust recycling apparatus 101 of the present invention includes:
the air conditioner comprises a shell 10, wherein the shell 10 is provided with an air inlet 11 and an air outlet 12;
the static mechanism 20 is arranged in the shell 10, forging waste gas enters the shell 10 from the air inlet 11, and clean air subjected to static treatment by the static mechanism 20 is discharged from the air outlet 12;
the spraying mechanism 30 is arranged on one side of the static mechanism 20, and the spraying mechanism 30 sprays the static mechanism 20;
According to the technical scheme, the dust particles in the waste gas are collected by adopting an electrostatic method, and then the oil stain forging dust on the electrostatic mechanism 20 is washed into the sewage bin 41 by the water sprayed by the spraying mechanism 30, so that the problem that the electrostatic performance of the electrostatic mechanism 20 is poor due to excessive dust particles accumulated on the electrostatic mechanism 20 is avoided. The waste water is filtered by the filtering mechanism 43 and oxide in the sludge is recovered, the filtered clean water is sprayed out from the spraying mechanism 30, the sprayed water can be recycled, and water resources are saved.
The spray mechanism 30 includes a flush pipe 31 and a spray head 32, in order to wash away the oil stain and the forged dust on the electrostatic mechanism 20, the flush pipe 31 is provided on one side of the electrostatic mechanism 20, the spray head 32 is attached to the flush pipe 31, and the spray head 32 sprays the electrostatic mechanism 20.
In one embodiment, a washing pipe 31 is disposed at the front end of the electrostatic mechanism 20, a spray head 32 is disposed on the washing pipe 31, and the washing pipe 31 is fixed or movable. The spray head 32 may be designed as a metal nozzle structure, and the structure of the spray head 32 is not limited in the present invention.
Optionally, the filtering mechanism 43 comprises a first suction device 44 and a filtering device 45, an inlet of the first suction device 44 is communicated with the dirty liquid bin 41, and an outlet of the first suction device 44 is connected with the filtering device 45.
In one embodiment, the first pumping device 44 is a high pressure screw pump. The filter device 45 comprises a filter plate 450 and a filter cloth 451, wherein the filter cloth 451 is movably arranged on the filter plate 450. The filter cloth 451 can be a fiber filter cloth 451, the filter cloth 451 can also be a filter membrane structure, and the material and the structure of the filter cloth 451 are not limited by the utility model. The filter plate 450 moves, and the filter cloth 451 filters particles in the wastewater, and the particles are trapped on the filter cloth 451.
In actual operation, as the operation time of the electrostatic dust recycling device 101 increases, the exhaust gas enters the housing 10, the more the particulate matter trapped on the electrostatic mechanism 20 is deposited, and after reaching a certain thickness, the exhaust gas is flushed during the stop of the exhaust fan 104. The flushing wastewater enters the dirty liquid bin 41, the metal oxide and the oil mist particles also enter the dirty liquid bin 41, and the metal oxide is emulsified to form an emulsion. The emulsion is pressed into the filter mechanism 43 by the first suction device 44, and particulate matters are intercepted on the filter cloth 451 along with the movement of the filter plate 450, and after multiple times of filtering, a mud layer of the filter cloth 451 reaches a certain thickness. At this time, the filter plate 450 is opened to remove the upper layer of the filter cloth 451 for recovery.
In one embodiment, the outlet of the first pumping device 44 is provided with a pressure regulating valve, and the other branch of the outlet is provided with a bypass pipe, and the bypass pipe is provided with a bypass pipe valve. A bypass valve and a pressure regulating valve are adjusted to bring the first suction device 44 to a suitable pressure for pressing the waste water into the filter device 45.
Optionally, the filtering mechanism 43 further includes a clean water tank 46 and a second suction device 47, the clean water tank 46 is disposed on one side of the filtering device 45, the second suction device 47 is connected to the flushing pipe 31, the second suction device 47 sucks the clean water in the clean water tank 46 to the flushing pipe 31, and the clean water is sprayed out through the spray head 32, so that the spray water can be recycled, and water resources can be saved.
In one embodiment, the emulsion of waste water, metal oxides, oil mist particles, etc. is pressed into the filter mechanism 43 by the first suction device 44, and the clean water filtered by the filter mechanism 43 is stored in the clean water tank 46 for recycling. The second suction device 47 is a water pump. The second suction device 47 can suck the clean water filtered by the filter device 45 into the flushing pipe 31 and spray the clean water out through the spray head 32. The water sprayed by the spray head 32 at high pressure can flush the oil stain forging dust on the electrostatic plate 21, so that the electrostatic mechanism 20 is prevented from accumulating too many dust particles to cause the deterioration of electrostatic performance.
In order to make the waste gas uniformly enter the electrostatic mechanism 20, a first air-equalizing plate 13 is installed at the air inlet 11 of the housing 10, and a second air-equalizing plate 14 is installed at the air outlet 12 of the housing 10.
In one embodiment, the forging waste gas enters the housing 10 from the air inlet 11, passes through the first air equalizing plate 13, and enters the electrostatic mechanism 20 uniformly, so as to treat the waste gas efficiently. Under the action of the electrostatic field of the electrostatic machine, metal oxide dust particles and forging oil mist particles in the exhaust gas are trapped on the electrostatic plate 21 of the electrostatic mechanism 20, and clean air is discharged through the second air equalizing plate 14 and the air outlet 12, so that the efficiency of the whole exhaust gas purification process is high.
In order to guide the washing waste water after washing the electrostatic mechanism 20 to the waste liquid bin 41, a liquid guide plate 50 is installed below the electrostatic mechanism 20, the liquid guide plate 50 is connected to the waste liquid bin 41, and the waste water is guided along the liquid guide plate 50 into the waste liquid bin 41.
In one embodiment, the liquid guiding plate 50 is further used to block the filtering mechanism 43 and the electrostatic mechanism 20, so as to prevent the rinsing wastewater from flowing directly to the filtering mechanism 43.
The flushing wastewater enters the dirty liquid bin 41 through the liquid guide plate 50, the metal oxide and the oil mist particles also enter the dirty liquid bin 41 together, and the metal oxide is emulsified to form an emulsion.
Optionally, the liquid guide plate 50 is disposed obliquely toward the waste liquid bin 41, and the washing waste water flows into the waste liquid bin 41 along the liquid guide plate 50.
Since the filter plate 450 of the filter mechanism 43 is directly installed below the electrostatic device, it requires an excessively large area and is not easily disassembled. Therefore, in the present invention, by providing the waste liquid storage 41 and the first suction device 44 as an excess, the filter mechanism 43 does not need to be laid over a large area, and the waste water in the waste liquid storage 41 can be filtered.
After the liquid guide plate 50 is connected with the first air equalizing plate 13, the liquid guide plate 50 is located between the electrostatic mechanism 20 and the filtering mechanism 43, and the liquid guide plate 50 prevents the washing wastewater from directly flowing to the filtering mechanism 43.
Specifically, the electrostatic mechanism 20 includes an electrostatic plate 21 and a hole plate 22, the electrostatic plate 21 is disposed in the housing 10, the spraying mechanism 30 is disposed on one side of the electrostatic plate 21, the hole plate 22 is disposed below the electrostatic plate 21, and the wastewater flows into the liquid guide plate 50 through the hole plate 22 and is collected to the waste liquid bin 41.
In one embodiment, a total of 6 electrostatic plates 21 are installed in the housing 10, the spraying mechanism 30 is installed on one side of each electrostatic plate 21, and the spraying mechanisms 30 are communicated with each other and connected to the second suction device 47, so that the second suction device 47 sprays the clean water in the clean water tank 46 onto the electrostatic plates 21 through the spraying mechanism 30. The electrostatic plate 21 is a corona and trapping common plate and is formed by connecting stainless steel plates or aluminum magnesium alloy plates in series.
In order to conveniently clean the sludge accumulated at the bottom of the sewage bin 41, a sludge cleaning opening is formed in the side edge of the sewage bin 41, the sludge is flushed out from the sludge cleaning opening by waste water, and the operation is simple and rapid.
The electrostatic dust recycling apparatus 101 of the present invention can be disposed in a forging apparatus 100, as shown in fig. 4, the forging apparatus 100 includes a forging device 102, a suction hood 103, an exhaust fan 104, and the electrostatic dust recycling apparatus 101, and the specific structure of the electrostatic dust recycling apparatus 101 refers to the above embodiments. The suction hood 103 is arranged on the forging equipment 102, the suction hood 103 and the exhaust fan 104 are both connected with the dust electrostatic recovery device 101, the suction hood 103 sucks waste gas of the forging equipment 102, and after the waste gas is subjected to electrostatic treatment by the dust electrostatic recovery device 101, clean air is sucked out by the exhaust fan 104.
The forging equipment 102 is generally located inside a workshop forging room, local air draft is carried out through the branch pipes 106, and after the branch pipes 106 are combined outdoors, waste air enters the dust electrostatic recovery device 101 through the main pipe 107. During the working period of the forging equipment 102, the dust electrostatic recovery device 101 traps particulate matters in the exhaust gas on the electrostatic plate 21 of the electrostatic mechanism 20. During the time when the forging apparatus 102 is shifted, the second suction device 47 is opened to clean the electrostatic plate 21. After cleaning, the exhaust fan 104 is turned on to air-dry the electrostatic plate 21. The flushed waste water is temporarily stored in the waste liquid bin 41, and after the waste liquid bin 41 is full, the first suction device 44 is opened, the bypass pipe valve and the pressure regulating valve are regulated to reach proper pressure, and the waste water is pressed into the filtering mechanism 43. After the filter cloth 451 on the filter device 45 is filled with sludge, the sludge discharge door 105 is opened to clean the sludge.
In one embodiment, the mud discharge door 105 is disposed on a side wall of the housing 10 adjacent to the filter 45. Two forging devices 102 are placed on the forging device 100, correspondingly, two suction hoods 103 are also arranged, and the two suction hoods 103 are communicated with the branch pipe 106, so that the waste gas enters the dust electrostatic recovery device 101 through the branch pipe 106 and the main pipe 107.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An electrostatic dust recycling apparatus, comprising:
the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with an air inlet and an air outlet;
the electrostatic mechanism is arranged in the shell and is positioned between the air inlet and the air outlet;
the spraying mechanism is arranged on one side of the static mechanism and sprays the static mechanism;
wastewater treatment mechanism, wastewater treatment mechanism locates static mechanism below, wastewater treatment mechanism includes sewage storehouse and filtering mechanism, filtering mechanism with the sewage storehouse spraying mechanism connects, filtering mechanism is used for filtering the waste water in sewage storehouse, the clear water warp after the filtration spraying mechanism blowout.
2. The electrostatic dust recycling apparatus according to claim 1, wherein the spraying means includes a flushing pipe and a nozzle, the flushing pipe is disposed on one side of the electrostatic means, the nozzle is mounted on the flushing pipe, and the nozzle is disposed toward the electrostatic means.
3. The electrostatic dust recycling apparatus of claim 2, wherein the filtering mechanism comprises a first suction device and a filtering device, an inlet of the first suction device is communicated with the dirty liquid bin, and an outlet of the first suction device is connected with the filtering device.
4. The electrostatic dust recycling apparatus of claim 3, wherein the filter mechanism further comprises a clean water tank and a second suction device, the clean water tank is disposed at one side of the filter mechanism, the second suction device is connected to the washing pipe, and the second suction device sucks the clean water in the clean water tank to the washing pipe and ejects the clean water through the nozzle.
5. The electrostatic dust recycling device according to claim 1, wherein a first air-equalizing plate is installed at the air inlet of the housing, and a second air-equalizing plate is installed at the air outlet of the housing.
6. The electrostatic dust recycling apparatus of claim 1, wherein a liquid guiding plate is installed below the electrostatic mechanism, the liquid guiding plate is connected with the dirty liquid bin, and the waste water is guided into the dirty liquid bin along the liquid guiding plate.
7. The electrostatic dust recycling apparatus of claim 6, wherein the liquid guide plate is disposed to be inclined toward the dirty liquid bin.
8. The electrostatic precipitator according to claim 6, wherein the electrostatic mechanism comprises an electrostatic plate and a perforated plate, the electrostatic plate is disposed in the casing, the spraying mechanism is disposed on one side of the electrostatic plate, the perforated plate is disposed below the electrostatic plate, and the wastewater flows into the liquid guide plate through the perforated plate and then flows to the wastewater bin.
9. The electrostatic dust recovery device according to any one of claims 1 to 8, wherein a sludge removing opening is formed in a side of the sludge storage, and sludge is washed out from the sludge removing opening by waste water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123239873.2U CN216936484U (en) | 2021-12-21 | 2021-12-21 | Dust electrostatic recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123239873.2U CN216936484U (en) | 2021-12-21 | 2021-12-21 | Dust electrostatic recovery device |
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| Publication Number | Publication Date |
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| CN216936484U true CN216936484U (en) | 2022-07-12 |
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|---|---|---|---|
| CN202123239873.2U Active CN216936484U (en) | 2021-12-21 | 2021-12-21 | Dust electrostatic recovery device |
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|---|---|
| CN (1) | CN216936484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308386A (en) * | 2021-12-21 | 2022-04-12 | 深圳市天得一环境科技有限公司 | Dust electrostatic recovery device |
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2021
- 2021-12-21 CN CN202123239873.2U patent/CN216936484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308386A (en) * | 2021-12-21 | 2022-04-12 | 深圳市天得一环境科技有限公司 | Dust electrostatic recovery device |
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