CN212998906U - Pulse type bag dust collector - Google Patents
Pulse type bag dust collector Download PDFInfo
- Publication number
- CN212998906U CN212998906U CN202021121058.9U CN202021121058U CN212998906U CN 212998906 U CN212998906 U CN 212998906U CN 202021121058 U CN202021121058 U CN 202021121058U CN 212998906 U CN212998906 U CN 212998906U
- Authority
- CN
- China
- Prior art keywords
- dust
- dust removal
- filter bag
- box body
- driving motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 177
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- -1 machinery Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an impulse type sack cleaner relates to sack cleaner technical field, specifically is an impulse type sack cleaner, including the dust removal box, the inside fixed mounting of dust removal box has the installation snap ring, and the inside joint of installation snap ring has the installation cardboard. This pulsed sack cleaner, when more dust is gathered in the dust removal filter bag outside, the controller control electromagnetic pulse valve blows into a plurality of dust removal filter bags along the jetting pipe with the gas in the gas tank inside, blow down the dust of the outside adhesion of dust removal filter bag, drive the transmission gear of drive gear on the output shaft and the transmission gear rotation of first driving motor week side through the first driving motor of controller control simultaneously, drive the outside rubber driving lever of transmission shaft and rotate, carry out strong the knocking to filter bag frame and dust removal filter bag through pivoted rubber driving lever, carry out supplementary dust removal when blowing the dust removal to dust removal filter bag, improve the dust removal effect to dust removal filter bag.
Description
Technical Field
The utility model relates to a sack cleaner technical field specifically is an impulse type sack cleaner.
Background
The pulse bag type dust collector adopts a compartment air-stopping pulse blowing dust-cleaning technology, overcomes the defects of the conventional pulse dust collector and a compartment back-blowing dust collector, has strong dust-cleaning capacity, high dust-cleaning efficiency and low emission concentration, and is suitable for purifying dust-containing gas and recovering materials in the industries of metallurgy, building materials, cement, machinery, chemical industry, electric power and light industry.
Present pulsed sack cleaner is when the more dust of dust removal filter bag outside adhesion, blow to dust removal filter bag through pulse solenoid valve control injection pipe, make the outside impurity of dust removal filter bag drop, only blow to dust removal filter bag through the injection pipe and can not break away from the impurity of dust removal filter bag outside adhesion completely, lead to follow-up needs frequently to carry out the dust removal processing to dust removal filter bag, make work efficiency reduce, furthermore, when the outside dust of dust removal filter bag is blown down at the injection pipe, a large amount of dusts can suspend in the dust removal incasement portion, can not gather fast inside the dust removal fill, when leading to follow-up removing dust to gas, the outside a large amount of dusts of adhesions of dust removal filter bag very fast, make dust removal filter bag need frequently carry out dust removal processing.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an impulse type sack cleaner has advantages such as improve dust removal filter bag dust removal effect, accelerate dust deposition rate, has solved the problem of proposing among the above-mentioned background art.
For the purpose that improves dust removal filter bag dust removal effect, accelerate dust deposition speed more than realizing, the utility model discloses a following technical scheme realizes: a pulse type bag-type dust collector comprises a dust collection box body, wherein an installation clamping ring is fixedly installed inside the dust collection box body, an installation clamping plate is clamped inside the installation clamping ring, a filter bag frame which is uniformly distributed is clamped at the top of the installation clamping plate, a dust collection filter bag is fixedly sleeved outside the filter bag frame, a sealing top cover is fixedly installed at the top of the dust collection box body through screws, a transmission shaft penetrating into the dust collection filter bag is movably sleeved at the top of the sealing top cover, a transmission gear positioned at the top of the sealing top cover is fixedly sleeved outside the transmission shaft, a first driving motor is fixedly installed at the top of the sealing top cover, an output shaft of the first driving motor is fixedly connected with the transmission gear at the middle part of the top end of the sealing top cover, a second driving motor is fixedly installed at the bottom of the sealing top cover, and an adjusting screw rod positioned inside the dust, the external thread of the adjusting screw is sleeved with a dust pressing plate located inside the dust removal box body, an air inlet valve pipe is fixedly mounted below the left side of the dust removal box body, a controller is fixedly mounted on the right side of the dust removal box body, an air box is fixedly mounted on the right side of the dust removal box body, an electromagnetic pulse valve is fixedly mounted at the top of the air box, an injection pipe located inside the dust removal box body is fixedly mounted at one end of the electromagnetic pulse valve, and an exhaust pipe is fixedly mounted at the right side of the top of the sealing top cover.
Preferably, the bottom of the dust removal box body is provided with a discharge hopper, the discharge hopper is conical in shape, the bottom of the discharge hopper is fixedly provided with an ash discharge valve pipe, and the bottom of the discharge hopper is fixedly provided with uniformly distributed supporting legs.
Preferably, the outer edge of the transmission gear on the output shaft of the first driving motor is meshed with the transmission gear on the peripheral side of the first driving motor, and the first driving motor is electrically connected with the controller.
Preferably, the transmission shaft is fixedly provided with uniformly distributed rubber deflector rods outside, and the diameter value of the rubber deflector rods is larger than the inner diameter values of the filter bag frame and the dust removal filter bag.
Preferably, the top of the dust pressing plate is provided with a circular groove matched with the dust removal filter bag, the top of the dust pressing plate is provided with through grooves distributed uniformly, the top of each through groove is fixedly provided with a filter screen, and the periphery of the dust pressing plate is movably sleeved with a guide rod fixedly connected with the dust removal box body.
Preferably, the bottom of the injection tube is fixedly provided with a venturi tube positioned inside the dust-removing filter bag, and an electromagnetic pulse valve at one end of the injection tube is electrically connected with the controller.
Preferably, the solenoid valve has been cup jointed to the outside fixed of inlet valve pipe, and the inside fixed mounting of solenoid valve has the lift valve board, the outside solenoid valve of inlet valve pipe and controller electric connection.
The utility model provides a pulsed sack cleaner possesses following beneficial effect:
1. when more dust is accumulated outside the dust removing filter bags, the controller controls the electromagnetic pulse valve to blow the gas in the gas tank into the dust removing filter bags along the injection pipe and blow down the dust adhered outside the dust removing filter bags, meanwhile, the controller controls the first driving motor to drive the transmission gear on the output shaft and the transmission gear on the peripheral side of the first driving motor to rotate, so as to drive the transmission shaft and the rubber deflector rod outside the transmission shaft to rotate, and the rotating rubber deflector rod strongly knocks the filter bag frame and the dust removal filter bag, the auxiliary dust removal is carried out when the air blowing dust removal is carried out on the dust removal filter bag, the dust removal effect on the dust removal filter bag is improved, the dust is prevented from being continuously adhered to the outer part of the dust removal filter bag, and the problem that the work efficiency is influenced because the dust on the outer part of the dust removal filter bag cannot be removed only through air blowing in the prior art is solved.
2. This pulsed sack cleaner, detach the dust of the outside adhesion of dust removal filter bag, and make the dust suspension inside the dust removal box, it rotates to drive adjusting screw through controller control second driving motor, it moves down to drive the pressure dirt board, because the top of pressing the dirt board is equipped with the filter screen additional, it moves down to drive a large amount of dusts of suspension when pressing the dirt board to move down, make the outside dust of dust removal filter bag can gather fast inside the blowing fill of dust removal bottom half, accelerate the sedimentary speed of dust, prevent that the dust that drops at the dust removal filter bag during operation is the adhesion once more outside at the dust removal filter bag.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the dust-removing box body of the present invention;
FIG. 3 is a schematic structural view of the bottom of the mounting clip of the present invention;
fig. 4 is a schematic structural view of the external portion of the dust pressing plate of the present invention.
In the figure: 1. a dust removal box body; 2. sealing the top cover; 3. installing a snap ring; 4. mounting a clamping plate; 5. a filter bag frame; 6. a dust removal filter bag; 7. a drive shaft; 8. an exhaust pipe; 9. a transmission gear; 10. an intake valve pipe; 11. a first drive motor; 12. a dust pressing plate; 13. adjusting the screw rod; 14. a second drive motor; 15. a guide bar; 16. a blowing pipe; 17. an electromagnetic pulse valve; 18. a gas tank; 19. a controller; 20. a dust discharge valve pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: a pulse type bag-type dust collector comprises a dust collection box body 1, wherein an installation clamp ring 3 is fixedly installed inside the dust collection box body 1, a discharge hopper is arranged at the bottom of the dust collection box body 1 and is conical, a dust discharge valve pipe 20 is fixedly installed at the bottom of the discharge hopper, supporting legs which are uniformly distributed are fixedly installed at the bottom of the discharge hopper, dust is collected through a funnel-shaped discharge hopper, the difficulty of dust discharge is reduced, the device is supported through the supporting legs which are uniformly distributed at the bottom of the discharge hopper, the stability of the device during working is ensured, an installation clamp plate 4 is clamped inside the installation clamp ring 3, a filter bag frame 5 which is uniformly distributed is clamped at the top of the installation clamp plate 4, a dust collection filter bag 6 is fixedly sleeved outside the filter bag frame 5, a sealing top cover 2 is fixedly installed at the top of the dust collection box body 1 through screws, and a transmission shaft 7 penetrating through the dust collection filter bag 6 is movably sleeved at, the transmission gear 9 positioned at the top of the sealing top cover 2 is fixedly sleeved outside the transmission shaft 7, the first driving motor 11 is fixedly installed at the top of the sealing top cover 2, an output shaft of the first driving motor 11 is fixedly connected with the transmission gear 9 at the middle part of the top end of the sealing top cover 2, the outer edge of the transmission gear 9 on the output shaft of the first driving motor 11 is meshed with the transmission gear 9 at the peripheral side of the first driving motor 11, the first driving motor 11 is electrically connected with the controller 19, the transmission gear 9 on the output shaft and the transmission gear 9 uniformly distributed at the peripheral side of the first driving motor 11 are driven to rotate by the first driving motor 11, so that the transmission shaft 7 and the rubber deflector rod outside the transmission shaft 7 are driven to rotate, knocking is performed when the dust removal filter bag 6 is removed, the dust removal effect is improved, meanwhile, the first driving motor 11 is electrically connected with the controller 19, and the first, the outer part of the transmission shaft 7 is fixedly provided with evenly distributed rubber deflector rods, the diameter value of the rubber deflector rods is larger than the inner diameter values of the filter bag frame 5 and the dust removal filter bag 6, the diameter value of the rubber rod outside the transmission shaft 7 is larger than the inner diameter values of the filter bag frame 5 and the dust removal filter bag 6, the filter bag frame 5 and the dust removal filter bag 6 can be knocked when the exhaust pipe 8 rotates, the effectiveness of the device is ensured, the effect of removing dust outside the dust removal filter bag 6 is improved, the bottom of the sealing top cover 2 is fixedly provided with a second driving motor 14, an output shaft of the second driving motor 14 is fixedly sleeved with an adjusting screw 13 positioned inside the dust removal box body 1, the external thread of the adjusting screw 13 is sleeved with a dust pressing plate 12 positioned inside the dust removal box body 1, the top of the dust pressing plate 12 is provided with a circular groove matched with the dust removal filter bag 6, and the, a filter screen is fixedly arranged at the top of the through groove, a guide rod 15 fixedly connected with the dust removal box body 1 is movably sleeved on the peripheral side of the dust pressing plate 12, after the dust removal filter bag 6 is subjected to dust removal, a second driving motor 14 drives an adjusting screw rod 13 on an output shaft to rotate, the dust pressing plate 12 is driven to move downwards, suspended dust is driven to move downwards through the dust pressing plate 12, the dust deposition speed is accelerated, the filter screen is additionally arranged at the top of the dust pressing plate 12, the suspended dust can be driven to move downwards when the dust pressing plate 12 moves downwards, the effectiveness of the device is ensured, an air inlet valve pipe 10 is fixedly arranged below the left side of the dust removal box body 1, an electromagnetic valve is fixedly sleeved outside the air inlet valve pipe 10, a lifting valve plate is fixedly arranged inside the electromagnetic valve, the electromagnetic valve outside the air inlet valve pipe 10 is electrically connected with a controller 19, and the electromagnetic valve and the lifting valve plate outside the air inlet, the lifting valve plate is controlled by the controller 19, so that the on-off of the air inlet valve pipe 10 can be controlled, the influence caused by continuous air inlet of the air inlet valve pipe 10 when the dust removing filter bag 6 is subjected to dust removal is prevented, the controller 19 is fixedly arranged on the right side of the dust removing box body 1, the air box 18 is fixedly arranged on the right side of the dust removing box body 1, the electromagnetic pulse valve 17 is fixedly arranged at the top of the air box 18, the injection pipe 16 positioned in the dust removing box body 1 is fixedly arranged at one end of the electromagnetic pulse valve 17, the exhaust pipe 8 is fixedly arranged on the right side of the top of the sealing top cover 2, the venturi pipe positioned in the dust removing filter bag 6 is fixedly arranged at the bottom of the injection pipe 16, the electromagnetic pulse valve 17 at one end of the injection pipe 16 is electrically connected with the controller 19, the venturi pipe at the bottom of the injection pipe 16 and the air box 18 are uniform in the prior art, and the controller 19 controls the electromagnetic pulse valve 17 to, thereby realizing the dust removal of the dust removal filter bag 6.
In conclusion, when the pulse bag-type dust collector is used, dust-containing gas is introduced into the dust collection box body 1 through the air inlet valve pipe 10, the gas is filtered through the dust collection filter bag 6, the filtered gas is discharged along the exhaust pipe 8, when dust is accumulated outside the dust collection filter bag 6 to reduce the exhaust amount of the exhaust pipe 8, the air inlet valve pipe 10 is controlled to be closed through the controller 19, the lifting raft inside the air inlet valve pipe 10 is controlled to be closed, the filtering air flow is cut off, the electromagnetic pulse valve 17 is controlled by the controller 19 to blow the gas inside the air box 18 into the dust collection filter bag 6 along the injection pipe 16, the dust collection treatment is carried out on the dust collection filter bag 6, meanwhile, the transmission gear 9 on the output shaft and the transmission gear 9 on the periphery side of the first driving motor 11 are controlled by the first driving motor 11 to rotate, the plurality of transmission shafts 7 and the flexible deflector rods outside the transmission shafts 7 are driven to rotate, the filter, the dust outside the dust-removing filter bag 6 falls off, meanwhile, the controller 19 controls the second driving motor 14 to drive the adjusting screw rod 13 to rotate, the dust pressing plate 12 is driven to move downwards to the bottom of the dust-removing filter bag 6, the dust which is suspended inside the dust-removing box body 1 is driven to move downwards through the dust pressing plate 12, the dust can be rapidly deposited inside the discharging hopper at the bottom of the dust-removing box body 1, and the dust is discharged through the dust discharging valve pipe 20 at the bottom of the discharging hopper.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an impulse type sack cleaner, includes dust removal box (1), its characterized in that: the dust removal box is characterized in that an installation clamping ring (3) is fixedly installed inside the dust removal box body (1), an installation clamping plate (4) is clamped inside the installation clamping ring (3), filter bag frames (5) which are uniformly distributed are clamped at the top of the installation clamping plate (4), a dust removal filter bag (6) is fixedly sleeved outside the filter bag frames (5), a seal top cover (2) is fixedly installed at the top of the dust removal box body (1) through screws, a transmission shaft (7) penetrating through the dust removal filter bag (6) is movably sleeved at the top of the seal top cover (2), a transmission gear (9) located at the top of the seal top cover (2) is fixedly sleeved outside the transmission shaft (7), a first driving motor (11) is fixedly installed at the top of the seal top cover (2), and an output shaft of the first driving motor (11) is fixedly connected with the transmission gear (9) in the middle of the top end of, a second driving motor (14) is fixedly arranged at the bottom of the sealing top cover (2), an output shaft of the second driving motor (14) is fixedly sleeved with an adjusting screw rod (13) positioned in the dust removal box body (1), the external thread of the adjusting screw (13) is sleeved with a dust pressing plate (12) positioned in the dust removing box body (1), an air inlet valve pipe (10) is fixedly arranged below the left side of the dust removing box body (1), a controller (19) is fixedly arranged on the right side of the dust removing box body (1), an air box (18) is fixedly arranged on the right side of the dust removing box body (1), an electromagnetic pulse valve (17) is fixedly arranged at the top of the air box (18), one end of the electromagnetic pulse valve (17) is fixedly provided with a blowing pipe (16) positioned in the dust removal box body (1), and an exhaust pipe (8) is fixedly arranged on the right side of the top of the sealing top cover (2).
2. The pulse type bag-type dust collector according to claim 1, wherein: the bottom of dust removal box (1) has been seted up the blowing fill, and the shape of blowing fill is coniform, the bottom fixed mounting of blowing fill has ash discharge valve pipe (20), the bottom fixed mounting of blowing fill has evenly distributed's supporting leg.
3. The pulse type bag-type dust collector according to claim 1, wherein: the outer edge of a transmission gear (9) on the output shaft of the first driving motor (11) is meshed with the transmission gear (9) on the peripheral side of the first driving motor (11), and the first driving motor (11) is electrically connected with the controller (19).
4. The pulse type bag-type dust collector according to claim 1, wherein: the outside fixed mounting of transmission shaft (7) has evenly distributed's rubber driving lever, and the diameter value of rubber driving lever is greater than the internal diameter value of filter bag frame (5) and dust bag (6).
5. The pulse type bag-type dust collector according to claim 1, wherein: the dust collecting device is characterized in that a circular groove matched with the dust collecting filter bag (6) is formed in the top of the dust pressing plate (12), through grooves distributed uniformly are formed in the top of the dust pressing plate (12), a filter screen is fixedly mounted at the top of each through groove, and guide rods (15) fixedly connected with the dust collecting box body (1) are movably sleeved on the periphery of the dust pressing plate (12).
6. The pulse type bag-type dust collector according to claim 1, wherein: the bottom of the injection tube (16) is fixedly provided with a venturi tube positioned inside the dust-removing filter bag (6), and an electromagnetic pulse valve (17) at one end of the injection tube (16) is electrically connected with a controller (19).
7. The pulse type bag-type dust collector according to claim 1, wherein: the solenoid valve is fixedly sleeved outside the air inlet valve pipe (10), the lifting valve plate is fixedly mounted inside the solenoid valve, and the solenoid valve outside the air inlet valve pipe (10) is electrically connected with the controller (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121058.9U CN212998906U (en) | 2020-06-17 | 2020-06-17 | Pulse type bag dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121058.9U CN212998906U (en) | 2020-06-17 | 2020-06-17 | Pulse type bag dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212998906U true CN212998906U (en) | 2021-04-20 |
Family
ID=75495891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021121058.9U Expired - Fee Related CN212998906U (en) | 2020-06-17 | 2020-06-17 | Pulse type bag dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212998906U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713520A (en) * | 2021-07-31 | 2021-11-30 | 高文才 | Bag-type dust collector for brick-yard kiln and dust collection method thereof |
| CN113797686A (en) * | 2021-09-23 | 2021-12-17 | 张瑶 | Flue gas desulfurization and dust removal equipment and dust removal method |
| CN117258431A (en) * | 2023-11-09 | 2023-12-22 | 江苏荣达利机械有限公司 | Dust removing device for power plant |
-
2020
- 2020-06-17 CN CN202021121058.9U patent/CN212998906U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713520A (en) * | 2021-07-31 | 2021-11-30 | 高文才 | Bag-type dust collector for brick-yard kiln and dust collection method thereof |
| CN113797686A (en) * | 2021-09-23 | 2021-12-17 | 张瑶 | Flue gas desulfurization and dust removal equipment and dust removal method |
| CN117258431A (en) * | 2023-11-09 | 2023-12-22 | 江苏荣达利机械有限公司 | Dust removing device for power plant |
| CN117258431B (en) * | 2023-11-09 | 2024-03-26 | 江苏荣达利机械有限公司 | Dust removing device for power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212998906U (en) | Pulse type bag dust collector | |
| CN111974105A (en) | Winnowing machine with dust removal function | |
| CN216092867U (en) | Pulse cloth tube dust remover | |
| CN213611937U (en) | Dust removal equipment of crusher | |
| KR20220081618A (en) | Vacuum grain conveyer | |
| CN218011657U (en) | Bag-type dust collector with dust cleaning function | |
| CN219043160U (en) | Dust remover convenient for ash removal | |
| CN112221263A (en) | Bag-type dust collector with ultralow emission | |
| CN210097193U (en) | Pulse bag type dust collector | |
| CN114210140B (en) | Plastic uptake exhaust treatment device | |
| CN108525419A (en) | A kind of dust removal device being used for during raw material of industry input | |
| CN114984687A (en) | High-efficient filter bag dust removal purification equipment with high-efficient low power consumption dust removal effect | |
| CN116328433A (en) | Bag type dust collector for purifying industrial kiln gas | |
| CN210385172U (en) | Cloth bag type waste gas treatment equipment | |
| CN211159013U (en) | Self-cleaning dust collector | |
| CN209020083U (en) | A kind of sack cleaner dust pneumatic conveying recovery system | |
| CN208771030U (en) | A kind of weaving speed regulation device | |
| CN209155428U (en) | A kind of compound type dust remover | |
| CN217139632U (en) | High-efficient type explosion-proof gas tank formula pulse bag dust remover | |
| CN218358000U (en) | Ultra-clean discharge bag-type dust collector | |
| CN221452050U (en) | Improved dust exhausting mechanism of bag-type dust remover | |
| CN218890309U (en) | Tail gas cloth bag dust collector | |
| CN218574480U (en) | Workshop top wind-force dust extraction | |
| CN213392773U (en) | Fan for collecting dust | |
| CN217696399U (en) | Internal vibration high-speed flow industrial dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Xiaoyan Inventor after: Liu Guanghui Inventor after: Wu Jiajun Inventor before: Wu Jiajun Inventor before: Gao Xiaoyan Inventor before: Liu Guanghui |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |