CN217093902U - Electrostatic dust collector - Google Patents
Electrostatic dust collector Download PDFInfo
- Publication number
- CN217093902U CN217093902U CN202220578995.XU CN202220578995U CN217093902U CN 217093902 U CN217093902 U CN 217093902U CN 202220578995 U CN202220578995 U CN 202220578995U CN 217093902 U CN217093902 U CN 217093902U
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- Prior art keywords
- scraper
- plate
- filter screen
- dust removal
- dust
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- Expired - Fee Related
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- 239000000428 dust Substances 0.000 title claims abstract description 108
- 239000012717 electrostatic precipitator Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims 1
- 239000012716 precipitator Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 238000004140 cleaning Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000008878 coupling Effects 0.000 description 13
- 238000010168 coupling process Methods 0.000 description 13
- 238000005859 coupling reaction Methods 0.000 description 13
- 239000007789 gas Substances 0.000 description 13
- 238000001125 extrusion Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 6
- 244000309464 bull Species 0.000 description 4
- 230000005686 electrostatic field Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses an electrostatic dust collection device, which belongs to the technical field of electrostatic dust collection, comprising a dust collection box, wherein the dust collection box is respectively provided with an air inlet and an air outlet, a fan is arranged in the air inlet, the top and the bottom of the dust collection box are both fixed with mounting frames, an anode plate and a cathode plate are respectively arranged on the two mounting frames, the anode plate is positioned under the cathode plate, an air outlet cover positioned between the anode plate and the cathode plate is arranged in the dust collection box, the air outlet of the fan is connected with an air supply pipe, the air supply pipe is connected with the air outlet cover, a filter screen is fixedly arranged in the dust collection box, the surface of the filter screen is connected with a filter screen scraper blade in a sliding manner, a plate electrode scraper blade is connected between the anode plate and the cathode plate in a sliding manner, and a driving mechanism for simultaneously driving the filter screen scraper blade and the plate scraper blade is arranged in the dust collection box; the device passes through electrostatic precipitator and filters the dust removal and combine, and dust removal effect is good, and can carry out automated cleaning, and clean efficient, effectual reduces the maintenance cost.
Description
Technical Field
The utility model relates to an electrostatic precipitator technical field especially relates to an electrostatic precipitator device.
Background
Electrostatic dust collection is one of the gas dust collection methods, in which dust-containing gas is electrically separated when passing through a high-voltage electrostatic field, and dust particles are charged negatively in combination with negative ions and then discharged and deposited on the surface of an anode. In the metallurgical, chemical and other industries to purify gases or recover useful dust particles. The existing electrostatic dust collector is suitable for gas dust collection operation with less dust content, the dust content in gas is large, and the gas flow still contains a small amount of dust after passing through an electrostatic field, so that the dust collection effect is poor, and after electrostatic dust collection, the dust adsorbed on a plate electrode needs to be cleaned manually and periodically, so that the manual labor intensity is high, time and labor are wasted, and the maintenance cost of the electrostatic dust collector is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of electrostatic precipitator device has solved current electrostatic precipitator and has been applicable to the less gas dust removal operation of dust content, and it is great that the dust content is contained in the gas, and the air current still contains a small amount of dust behind the electrostatic field for dust removal effect is not good enough, and after to electrostatic precipitator, the dust that adsorbs on the plate electrode needs artifical periodic cleaning, causes artifical intensity of labour big, wastes time and energy, leads to electrostatic precipitator problem that the maintenance cost is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an electrostatic precipitator device, includes the dust removal case, be equipped with air inlet and gas outlet on the dust removal case respectively, install the fan in the air inlet, the interior top and the bottom of dust removal case all are fixed with mounting bracket, two install anode plate and negative plate on the mounting bracket respectively, just the anode plate is located the negative plate under, the dust removal incasement is installed and is located the air-out cover between anode plate and the negative plate, the air outlet of fan is connected with the blast pipe, the blast pipe is connected with the air-out cover, dust removal incasement fixed mounting has the filter screen that is located anode plate one side, the sliding surface of filter screen is connected with the filter screen scraper blade, sliding connection has the plate electrode scraper blade between anode plate and the negative plate, the dust removal incasement is equipped with the actuating mechanism who drives filter screen scraper blade and plate electrode scraper blade simultaneously.
Adopt above-mentioned scheme, when this electrostatic precipitator device removes dust through static, set up the filter screen at the rear and filter a small amount of dust that is not detached completely, it is better to make whole device dust removal effect, drive plate electrode scraper blade and filter screen scraper blade simultaneously through actuating mechanism, the automation of adsorbing the dust on realization plate electrode and the filter screen is clean, clean efficiently, and is effectual, reduce the maintenance cost, it is big to avoid present manual work to open the artifical intensity of labour who comes the clean and bring of manual work with the casing, the maintenance cost is high, the problem of wasting time and energy.
Preferably, the plate electrode scraper blade includes first scraper blade and second scraper blade, be connected with two telescopic links between first scraper blade and the second scraper blade, the cover is equipped with and supports tight spring on the telescopic link, be equipped with the connecting plate between the one end of first scraper blade and second scraper blade, just first scraper blade and second scraper blade sliding sleeve establish the both ends at the connecting plate.
Adopt above-mentioned scheme, first scraper blade and second scraper blade respectively with negative plate and anode plate surface contact to support the effort of tight spring to two scraper blades through two, make first scraper blade and second scraper blade can tightly support on the plate electrode surface, and then improve the clean effect to two plate electrodes.
Preferably, actuating mechanism includes the driving motor of fixed mounting in dust removal incasement portion one side, driving motor's output shaft has the bull stick, the inside of dust removal case is fixed with the reversing coupling, the one end of bull stick is connected with the input of reversing coupling, two output shafts of reversing coupling are connected with first lead screw and second lead screw respectively, just the plate electrode scraper blade passes through connecting plate threaded connection on first lead screw, filter screen scraper blade threaded connection is on the second lead screw.
By adopting the scheme, when the two electrode plates and the filter screen are cleaned, the driving motor drives the rotating rod to rotate, the rotating rod drives the reversing coupling to work and enables the two output shafts to rotate simultaneously, the first lead screw and the second lead screw which are connected with the two output shafts of the reversing coupling rotate simultaneously, the first lead screw drives the electrode plate scraper to slide on the surfaces of the two electrode plates through the connecting plate, and the second lead screw drives the filter screen scraper to slide on the surface of the filter screen, so that the cleaning operation of the electrode plates and the filter screen is realized.
Preferably, the driving mechanism further comprises a first guide rod and a second guide rod which are fixed inside the dust removal box, the connecting plate is connected with the first guide rod in a sliding mode, and the filter screen scraper is connected with the second guide rod in a sliding mode.
By adopting the scheme, when the driving motor drives the electrode plate scraper and the filter screen scraper to move and clean, the first guide rod guides the connecting plate, and the second guide rod guides the filter screen scraper, so that the stability of simultaneous movement of the electrode plate scraper and the filter screen scraper is improved.
Preferably, install on the one side that the filter screen scraper blade was kept away from to the filter screen and pass and shake the subassembly, pass and shake the subassembly including fixing the fixed plate on filter screen one side, sliding connection has the movable rod on the fixed plate, the both ends of movable rod are connected with stripper plate and biography shake head respectively, the cover is equipped with reset spring on the movable rod, install the cam on the body of rod of bull stick, just stripper plate is just right with the cam.
Adopt above-mentioned scheme, when clearing up the work, when driving motor drive plate electrode scraper blade and filter screen scraper blade motion clearance, driving motor drives the cam on the bull stick and is circular motion, the cam can reciprocal extrusion stripper plate and make the movable rod activity in the pivoted, because reset spring's effort on the movable rod, make when cam and stripper plate contactless, the stripper plate can automatic quick return, at the in-process that resets, the fixed plate is beaten to the biography shake head of the movable rod other end, and then make whole filter screen vibrations, shake the dust of falling of difficult clearance on the filter screen, improve the clean effect to the filter screen.
Preferably, a dust collecting box is arranged at the bottom of the dust removing box, a bottom cover is arranged at the bottom of the dust collecting box, and the dust collecting box is positioned between the anode plate and the filter screen.
By adopting the scheme, when the two electrode plates and the filter screen are cleaned, the cleaned dust is scraped and sent to the dust collecting box for collection, and then the dust is discharged by opening the bottom cover, so that the dust can be cleaned by the following workers conveniently.
The utility model discloses in:
the electrostatic dust removal device removes dust through static electricity, and meanwhile, the filter screen is arranged at the rear part to filter a small amount of dust which is not completely removed, so that the dust removal effect of the whole device is better, the electrode plate scraper and the filter screen scraper are driven by the motor simultaneously, the automatic cleaning of dust adsorbed on the electrode plate and the filter screen is realized, the cleaning efficiency is high, the effect is good, the maintenance cost is reduced, and the problems of high labor intensity, high maintenance cost and time and labor waste caused by manually cleaning the electrode column by opening the shell manually at present are avoided;
this electrostatic precipitator device is when the motor is clean, through the reciprocal effect extrusion piece of cam, reset spring makes to pass the shake head and resets and hit the fixed plate, passes the shake when clean to the filter screen, shakes the dust that is difficult for droing on the filter screen and falls, improves the clean effect to the filter screen.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the dust box of the present invention;
FIG. 3 is a schematic structural view of the electrode plate scraper, the driving mechanism and the vibration assembly of the present invention;
FIG. 4 is a schematic diagram of the positions of the electrode plate scraper and the screen scraper of the present invention;
fig. 5 is a schematic view of the position of the vibration transmission assembly and the filter screen of the present invention.
In the figure: 1. a dust removal box; 2. an air inlet; 3. a fan; 4. a mounting frame; 5. an anode plate; 6. a cathode plate; 7. an electrode plate scraper; 71. a first squeegee; 72. a second squeegee; 73. a telescopic rod; 74. the spring is tightly propped; 75. a connecting plate; 8. a drive mechanism; 81. a drive motor; 82. a rotating rod; 83. a reversing coupling; 84. a first lead screw; 85. a first guide bar; 86. a second lead screw; 87. a second guide bar; 9. a dust collecting box; 10. a bottom cover; 11. an air outlet cover; 12. an air supply pipe; 13. filtering with a screen; 14. a shock transmission assembly; 141. a fixing plate; 142. a movable rod; 143. a pressing plate; 144. a seismic head; 145. a return spring; 146. a cam; 15. an air outlet; 16. a screen scraper.
Detailed Description
Examples
Referring to fig. 1-5, the utility model provides an electrostatic dust removal device, which comprises a dust removal box 1, an air inlet 2 and an air outlet 15 are respectively arranged on the dust removal box 1, a fan 3 is arranged in the air inlet 2, mounting frames 4 are fixed at the inner top and the bottom of the dust removal box 1, an anode plate 5 and a cathode plate 6 are respectively arranged on the two mounting frames 4, and anode plate 5 is located the negative plate 6 under, install the air-out cover 11 that is located between anode plate 5 and the negative plate 6 in the dust removal case 1, the air outlet of fan 3 is connected with blast pipe 12, blast pipe 12 is connected with air-out cover 11, fixed mounting has the filter screen 13 that is located anode plate 5 one side in the dust removal case 1, the surperficial sliding connection of filter screen 13 has filter screen scraper blade 16, sliding connection has plate electrode scraper blade 7 between anode plate 5 and the negative plate 6, be equipped with the actuating mechanism 8 who drives filter screen scraper blade 16 and plate electrode scraper blade 7 simultaneously in the dust removal case 1. This electrostatic precipitator device when removing dust through static, set up filter screen 13 at the rear and filter a small amount of dust that does not detach completely, it is better to make whole device dust removal effect, drive plate electrode scraper 7 and filter screen scraper 16 simultaneously through actuating mechanism 8, the automation of adsorbing the dust on realization plate electrode and the filter screen 13 is clean, clean efficiently, and is effectual, reduce the maintenance cost, it is big to avoid present manual work to open the artifical intensity of labour who comes the clean and bring of manual work with the casing, the maintenance cost is high, the problem of wasting time and energy.
The electrode plate scraper 7 comprises a first scraper 71 and a second scraper 72, two telescopic rods 73 are connected between the first scraper 71 and the second scraper 72, a resisting spring 74 is sleeved on each telescopic rod 73, a connecting plate 75 is arranged between one ends of the first scraper 71 and the second scraper 72, and the first scraper 71 and the second scraper 72 are slidably sleeved at two ends of the connecting plate 75. First scraper 71 and second scraper 72 respectively with negative plate 6 and positive plate 5 surface contact to support the effort of spring 74 to two scrapers tightly through two, make first scraper 71 and second scraper 72 can tightly support on the electrode plate surface, and then improve the clean effect to two electrode plates.
The driving mechanism 8 comprises a driving motor 81 fixedly installed on one side inside the dust removal box 1, an output shaft of the driving motor 81 is connected with a rotating rod 82, a reversing coupling 83 is fixed inside the dust removal box 1, one end of the rotating rod 82 is connected with an input end of the reversing coupling 83, two output shafts of the reversing coupling 83 are respectively connected with a first lead screw 84 and a second lead screw 86, an electrode plate scraper 7 is connected to the first lead screw 84 through a connecting plate 75 in a threaded mode, and a filter screen scraper 16 is connected to the second lead screw 86 in a threaded mode. When two electrode plates and a filter screen 13 are cleaned, the driving motor 81 drives the rotating rod 82 to rotate, the rotating rod 82 drives the reversing coupling 83 to work and enables two output shafts to rotate simultaneously, a first screw rod 84 and a second screw rod 86 which are connected with the two output shafts of the reversing coupling 83 rotate simultaneously, the first screw rod 84 drives the electrode plate scraper 7 to slide on the surfaces of the two electrode plates through the connecting plate 75, and the second screw rod 86 drives the filter screen scraper 16 to slide on the surface of the filter screen 13, so that the cleaning operation of the electrode plates and the filter screen is realized.
The driving mechanism 8 further comprises a first guide rod 85 and a second guide rod 87 which are fixed inside the dust removing box 1, the connecting plate 75 is connected with the first guide rod 85 in a sliding mode, and the filter screen scraping plate 16 is connected with the second guide rod 87 in a sliding mode. When the driving motor 81 drives the electrode plate scraper 7 and the filter screen scraper 16 to move and clean, the first guide rod 85 guides the connecting plate 75, and the second guide rod 87 guides the filter screen scraper 16, so that the stability of the simultaneous movement of the electrode plate scraper 7 and the filter screen scraper 16 is improved.
The side face, away from the screen scraping plate 16, of the screen 13 is provided with the vibration transmission assembly 14, the vibration transmission assembly 14 comprises a fixing plate 141 fixed on the side face of one side of the screen 13, the fixing plate 141 is connected with a movable rod 142 in a sliding manner, two ends of the movable rod 142 are respectively connected with an extrusion plate 143 and a vibration transmission head 144, the movable rod 142 is sleeved with a return spring 145, a rod body of the rotary rod 82 is provided with a cam 146, and the extrusion plate 143 is opposite to the cam 146. When cleaning work is carried out, the driving motor 81 drives the electrode plate scraper 7 and the filter screen scraper 16 to move and clean, the driving motor 81 drives the cam 146 on the rotating rod 82 to do circular motion, the cam 146 can reciprocally extrude the extrusion plate 143 and enable the movable rod 142 to move when rotating, due to the acting force of the reset spring 145 on the movable rod 142, when the cam 146 is not in contact with the extrusion plate 143, the extrusion plate 143 can automatically and quickly reset, in the resetting process, the vibration transmission head 144 at the other end of the movable rod 142 strikes the fixed plate 141, and then the whole filter screen 13 vibrates, dust which is not easy to clean on the filter screen 13 is vibrated, and the cleaning effect on the filter screen 13 is improved.
The bottom of the dust removing box 1 is provided with a dust collecting box 9, the bottom of the dust collecting box 9 is provided with a bottom cover 10, and the dust collecting box 9 is positioned between the anode plate 5 and the filter screen 13. When two electrode plates and the filter screen 13 are cleaned, the cleaned dust is scraped and conveyed into the dust collection box 9 for collection, and then the bottom cover 10 is opened to discharge the dust, so that the dust can be conveniently cleaned by follow-up workers.
The working principle is as follows: when the device is used, the cathode plate 6 and the anode plate 5 are respectively electrified, an electrostatic field is generated between the cathode plate and the anode plate, the fan 3 works to exhaust dust-containing gas to between the two electrode plates through the air outlet cover 11, dust in the dust-containing gas is adsorbed on the electrode plates by ionization, simultaneously, a small amount of untreated and complete gas in the subsequent gas is filtered through the filter screen 13, and finally the dust box 1 is discharged, when the two electrode plates and the filter screen 13 are cleaned, the driving motor 81 drives the rotating rod 82 to rotate, the rotating rod 82 drives the reversing coupling 83 to work and enables the two output shafts to simultaneously rotate, the first lead screw 84 and the second lead screw 86 which are connected with the two output shafts of the reversing coupling 83 simultaneously rotate, the first lead screw 84 drives the electrode plate scraper 7 to slide on the surfaces of the two electrode plates through the connecting plate 75, the second lead screw 86 drives the filter screen scraper 16 to slide on the surface of the filter screen 13 and the electrode plates to scrape and send the dust on the filter screen 13 and the electrode plates into the dust box 9 for collection, the cleaning operation of the electrode plate and the filter screen is realized, after the cleaning operation is finished, the driving motor 81 drives the electrode plate scraper 7 and the filter screen scraper 16 to reset, when the electrode plate is cleaned, the first scraper 71 and the second scraper 72 are respectively contacted with the surfaces of the cathode plate 6 and the anode plate 5, and the first scraper 71 and the second scraper 72 can be tightly propped against the surfaces of the electrode plate through the acting force of the two propping springs 74 on the two scrapers, so that the cleaning effect on the two electrode plates is improved, and when the driving motor 81 drives the electrode plate scraper 7 and the filter screen scraper 16 to move and clean, the driving motor 81 drives the cam 146 on the rotating rod 82 to do circular motion, the cam 146 can reciprocally extrude the extrusion plate 143 and move the movable rod 142 while rotating, due to the acting force of the resetting spring 145 on the movable rod 142, when the cam 146 is not contacted with the extrusion plate 143, the extrusion plate 143 can automatically and quickly reset, in the process of resetting, the vibration transmission head 144 at the other end of the movable rod 142 strikes the fixed plate 141, so that the whole filter screen 13 vibrates, dust which is difficult to clean on the filter screen 13 is vibrated and dropped, and the cleaning effect on the filter screen 13 is improved.
Claims (6)
1. The electrostatic dust removal device is characterized by comprising a dust removal box (1), wherein an air inlet (2) and an air outlet (15) are respectively arranged on the dust removal box (1), a fan (3) is installed in the air inlet (2), mounting frames (4) are fixed at the top and the bottom of the dust removal box (1), two anode plates (5) and cathode plates (6) are respectively installed on the mounting frames (4), the anode plates (5) are positioned under the cathode plates (6), an air outlet cover (11) positioned between the anode plates (5) and the cathode plates (6) is installed in the dust removal box (1), an air outlet of the fan (3) is connected with an air supply pipe (12), the air supply pipe (12) is connected with the air outlet cover (11), a filter screen (13) positioned on one side of the anode plates (5) is fixedly installed in the dust removal box (1), and a scraper blade (16) is connected to the surface of the filter screen (13) in a sliding manner, an electrode plate scraper (7) is connected between the anode plate (5) and the cathode plate (6) in a sliding mode, and a driving mechanism (8) for driving the filter screen scraper (16) and the electrode plate scraper (7) simultaneously is arranged in the dust removal box (1).
2. The electrostatic dust removal device according to claim 1, wherein the electrode plate scraper (7) comprises a first scraper (71) and a second scraper (72), two telescopic rods (73) are connected between the first scraper (71) and the second scraper (72), a resisting spring (74) is sleeved on each telescopic rod (73), a connecting plate (75) is arranged between one end of each first scraper (71) and one end of each second scraper (72), and the first scraper (71) and the second scraper (72) are slidably sleeved at two ends of the connecting plate (75).
3. The electrostatic dust removal device according to claim 1, wherein the driving mechanism (8) comprises a driving motor (81) fixedly mounted on one side inside the dust removal box (1), an output shaft of the driving motor (81) is connected with a rotating rod (82), a reversing coupler (83) is fixed inside the dust removal box (1), one end of the rotating rod (82) is connected with an input end of the reversing coupler (83), two output shafts of the reversing coupler (83) are respectively connected with a first lead screw (84) and a second lead screw (86), the electrode plate scraper (7) is in threaded connection with the first lead screw (84) through a connecting plate (75), and the filter screen scraper (16) is in threaded connection with the second lead screw (86).
4. An electrostatic precipitator according to claim 3, wherein the driving mechanism (8) further comprises a first guide rod (85) and a second guide rod (87) fixed inside the precipitation box (1), the connecting plate (75) is slidably connected with the first guide rod (85), and the screen scraper (16) is slidably connected with the second guide rod (87).
5. The electrostatic dust collection device according to claim 3, wherein a vibration transmission component (14) is installed on a side surface of the filter screen (13) far away from the filter screen scraper (16), the vibration transmission component (14) comprises a fixing plate (141) fixed on the side surface of one side of the filter screen (13), a movable rod (142) is connected onto the fixing plate (141) in a sliding manner, two ends of the movable rod (142) are respectively connected with a squeezing plate (143) and a vibration transmission head (144), a reset spring (145) is sleeved on the movable rod (142), a cam (146) is installed on a rod body of the rotating rod (82), and the squeezing plate (143) is right opposite to the cam (146).
6. An electrostatic precipitator according to claim 1, wherein a dust collecting box (9) is arranged at the bottom of the precipitator case (1), a bottom cover (10) is arranged at the bottom of the dust collecting box (9), and the dust collecting box (9) is positioned between the anode plate (5) and the filter screen (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220578995.XU CN217093902U (en) | 2022-03-17 | 2022-03-17 | Electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220578995.XU CN217093902U (en) | 2022-03-17 | 2022-03-17 | Electrostatic dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217093902U true CN217093902U (en) | 2022-08-02 |
Family
ID=82602264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220578995.XU Expired - Fee Related CN217093902U (en) | 2022-03-17 | 2022-03-17 | Electrostatic dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217093902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254434A (en) * | 2022-08-31 | 2022-11-01 | 珠海格力电器股份有限公司 | Electrostatic dust removal system and control method |
| CN117138959A (en) * | 2023-09-27 | 2023-12-01 | 成都中品建设工程有限公司 | Multistage efficient dust removal device and method for civil engineering |
-
2022
- 2022-03-17 CN CN202220578995.XU patent/CN217093902U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115254434A (en) * | 2022-08-31 | 2022-11-01 | 珠海格力电器股份有限公司 | Electrostatic dust removal system and control method |
| CN117138959A (en) * | 2023-09-27 | 2023-12-01 | 成都中品建设工程有限公司 | Multistage efficient dust removal device and method for civil engineering |
| CN117138959B (en) * | 2023-09-27 | 2024-02-27 | 成都中品建设工程有限公司 | Multistage efficient dust removal device and method for civil engineering |
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