CN106823616B - Integrated control pulse ash discharging device for dry dust collector - Google Patents
Integrated control pulse ash discharging device for dry dust collector Download PDFInfo
- Publication number
- CN106823616B CN106823616B CN201710030330.9A CN201710030330A CN106823616B CN 106823616 B CN106823616 B CN 106823616B CN 201710030330 A CN201710030330 A CN 201710030330A CN 106823616 B CN106823616 B CN 106823616B
- Authority
- CN
- China
- Prior art keywords
- dust
- pulse
- ash
- box body
- dust collector
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 171
- 238000007599 discharging Methods 0.000 title claims abstract description 31
- 238000007664 blowing Methods 0.000 claims abstract description 38
- 230000005484 gravity Effects 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
An integrated control pulse ash discharging device for a dry dust collector comprises a dust collector box body (13), a filter element (4), a plurality of pulse valves (3), a plurality of movable ash baffles (6), a plurality of pulse blowing pipes (9) arranged in parallel, a gravity ash discharging valve (11) and an integrated control box (12); the pulse blowing pipe comprises a pneumatic pulse valve (9-1) and a blowing pipe (9-2) provided with a plurality of nozzles (9-3), the pulse blowing pipe is positioned between the movable ash baffle and the bottom plate of the dust remover box body, and the nozzles are inclined towards the bottom of the dust remover box body; the control valves of the pulse valve, the movable ash baffles and the pulse blowing pipe are all arranged in the integrated control box, and the movable ash baffles realize overturning or translation through the integrated control box, so that the dust removal space is isolated from the dust discharge space. The invention has good sealing performance, small occupied space, simple structure and simple and convenient operation; when the dust remover works, the dust can be automatically discharged, the dust at the bottom can be prevented from being lifted again, and the dust removing period and the operation time are prolonged.
Description
Technical Field
The invention belongs to the technical field of dust removal devices, and particularly relates to an integrated control pulse ash discharge device for a dry dust collector.
Background
At present, dust removal equipment realizes ash discharge through installing the dust discharge valve at the ash discharge port, and the ideal dust discharge valve both guarantees effective ash discharge and prevents that outside air from getting into dust removal system through the dust discharge valve and influencing the inside air current flow field of dust removal system. For explosive dusts, uncharged dust discharge devices are often used to reduce the risk of accidents, such as manual star-shaped dust discharge valves, plate-inserted dust discharge valves, drawer-type dust discharge valves, and automatic flap-type dust discharge valves.
The manual star-shaped ash discharge valve is most widely applied due to the advantages of small ash outlet, high sealing performance and the like, however, once rigid materials fall into the manual star-shaped ash discharge valve, the manual star-shaped ash discharge valve is easy to be clamped, so that an inverted cone-shaped ash bucket with a large inclination angle is often matched, and the occupied space of the ash discharge device is greatly increased; the inserting plate type ash discharging valve occupies a small space, but needs frequent manual operation, generates higher labor intensity, and particularly under the condition of insufficient ash discharging, the inserting plate cannot normally return, thereby influencing the sealing property of the ash discharging valve; the drawer type dust discharging valve is most reliable and stable, can realize higher sealing performance, but has too low degree of mechanization and automation and maximum labor intensity; the automatic flap type ash discharge valve can automatically discharge ash under the condition of setting the weight of the ash, but the flexibility of the flap is ensured, meanwhile, the sealing performance of the ash discharge valve is reduced, and the flap type ash discharge valve has the advantages of more mechanical components, complex structure and high failure rate under the dust environment.
Disclosure of Invention
The invention aims to provide an integrated control pulse ash discharging device for a dry dust collector, which has the advantages of good sealing performance, small occupied space, simple structure and simple and convenient operation; when the dust remover works, the device can realize automatic dust discharging, effectively inhibit bottom dust from being lifted again, and prolong the dust removing period and the operation time.
In order to achieve the aim, the invention provides an integrated control pulse ash discharging device for a dry dust collector, which comprises a dust collector box body, a filter element positioned in the dust collector box body, a plurality of pulse valves arranged at the upper part of the dust collector box body, a plurality of movable ash baffles positioned at the lower part of the dust collector box body, a plurality of pulse blowing pipes arranged in parallel, a gravity ash discharging valve positioned at the bottom of the dust collector box body at the air outlet side, and an integrated control box arranged outside the dust collector box body, wherein the pulse blowing pipes are positioned between the movable ash baffles and a bottom plate of the dust collector box body and comprise pneumatic pulse valves and blowing pipes connected with the pneumatic pulse valves, a plurality of nozzles are arranged on the blowing pipes and incline towards the bottom of the dust collector box body, the inclination direction is consistent with the wind flow direction, and the pneumatic pulse valve is connected with the air bag through an air pipe; the control valves of the pulse valve, the movable ash baffles and the pulse blowing pipe are all arranged in the integrated control box, the movable ash baffles realize overturning or translation through the integrated control box, and a control panel of the integrated control box is provided with a starting switch; the filter element is arranged between the pulse valve and the movable dust baffle.
Preferably, the movable ash baffles are in a turnover type, the top ends of the movable ash baffles are respectively fixed on ash baffle connecting shafts, and the ash baffle connecting shafts are parallel to the blowing pipes; the integrated control box is internally provided with a motor for driving a driving chain wheel, the driving chain wheel is connected with a driven chain wheel through a chain, the driven chain wheel is coaxially arranged at two ends of an ash baffle connecting shaft, a central shaft which is in rolling fit with the ash baffle connecting shaft is arranged at the axis of the ash baffle connecting shaft, and two ends of the central shaft of the ash baffle connecting shaft are fixed on the front and rear side walls of the box body of the dust remover.
Preferably, when the movable dust baffle is opened, the movable dust baffle is inclined towards the bottom of the dust remover box body, an included angle formed between the inclined movable dust baffle and the bottom of the dust remover box body is 15-30 degrees, and the inclined direction is consistent with the air flow direction.
Preferably, the included angle between the nozzle and the bottom of the dust remover box body is 30-45 degrees.
Preferably, the nozzles (9-3) on the adjacent pulse ejection pipes are arranged in a staggered mode, and the blowing interval time of the adjacent pulse ejection pipes is 5-10 s.
Preferably, the gravity ash discharging valve is 5-10 cm lower than the bottom of the box body of the dust remover.
Furthermore, the pulse blowing pipe is fixed at the bottom of the dust remover box body through the supporting base.
Compared with the prior art, the dust removal space and the dust discharge space are isolated by the movable dust baffle, so that the phenomenon that dust at the bottom of the box body is lifted and is adsorbed to the outer wall of the filter element again in the operation process of the dust remover and the dust removal process of the filter element is avoided, the dust removal period of the filter element is prolonged, the dust removal frequency of the filter element is reduced, and the service life of the filter element is prolonged; in addition, ash can be discharged in the operation process of the dust remover, and the high-efficiency operation of the dust remover can be ensured; high-pressure gas is blown through the pulse blowing pipe to push dust accumulated at the bottom of the box body of the dust remover to the gravity dust unloading valve, and when the accumulated weight of the dust reaches the balance weight of the gravity dust unloading valve, automatic dust unloading to the outside of the dust remover can be realized; the operation is carried out through the integrated control buttons in the integrated control box, and the operation program is simplified. The invention has the advantages of good sealing performance, small occupied space, simple structure and simple and convenient operation, and is suitable for the ash discharge systems of various dry type filtering dust collectors.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of the installation arrangement of the pulse blow tube and gravity ash discharge valve of FIG. 1;
FIG. 3 is a schematic view of the movable dust barrier of FIG. 1;
in the figure: 1. the device comprises an air inlet, 2, an air bag, 3, a pulse valve, 4, a filter element, 5, an air outlet, 6, a movable ash baffle, 7, a chain, 8, an ash baffle connecting shaft, 9, a pulse blowing pipe, 9-1, a pneumatic pulse valve, 9-2, a blowing pipe, 9-3, a nozzle, 10, a supporting base, 11, a gravity ash discharging valve, 12, an integrated control box, 13, a dust remover box body, 14 and a motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, an integrated control pulse ash discharging device for a dry type dust collector comprises a dust collector box body 13, a filter element 4 positioned inside the dust collector box body 13, a plurality of pulse valves 3 arranged on the upper part of the dust collector box body 13, wherein the pulse valves 3 are connected with an air bag 2 arranged outside the dust collector box body 13 through air pipes, the dust collector box body 13 is provided with an air inlet 1 and an air outlet 5, the ash discharging device also comprises a plurality of movable ash baffles 6 positioned at the lower part of the dust collector box body 13, a plurality of pulse blowing pipes 9 arranged in parallel, a gravity ash discharging valve 11 positioned at the bottom part of the dust collector box body 13 at the air outlet 5 side and an integrated control box 12 arranged outside the dust collector box body 13, the pulse blowing pipes 9 are positioned between the movable ash baffles 6 and the bottom plate of the dust collector box body 13, the pulse blowing pipes 9 comprise pneumatic pulse valves 9-1 and blowing pipes 9-2 connected with the pneumatic pulse valves 9-1, a plurality of nozzles 9-3 are arranged on the blowing pipe 9-2, the nozzles 9-3 are inclined towards the bottom of the dust remover box body 13, the inclination direction is consistent with the air flow direction, and the pneumatic pulse valve 9-1 is connected with the air bag 2 through an air pipe; the control valves of the pulse valve 3, the movable dust baffle 6 and the pulse blowing pipe 9 are all arranged in an integrated control box 12, the movable dust baffle 6 is turned over or translated through the integrated control box 12, and a control panel of the integrated control box 12 is provided with a starting switch; the filter element 4 is arranged between the pulse valve 3 and the movable dust baffle 6.
The movable dust baffle 6 can be of an overturning type or a translational stretching type, as shown in fig. 3, in order to enable dust on the movable dust baffle 6 to fall into a bottom plate of a dust remover box body 13 more quickly, the movable dust baffle 6 in the invention is of an overturning type, the top ends of the movable dust baffles 6 are respectively fixed on dust baffle connecting shafts 8, and the dust baffle connecting shafts 8 are parallel to a spraying pipe 9-2; the integrated control box 12 is internally provided with a motor 14 for driving a driving chain wheel, the driving chain wheel is connected with a driven chain wheel through a chain 7, the driven chain wheel is coaxially arranged at two ends of an ash baffle connecting shaft 8, a central shaft which is in rolling fit with the ash baffle connecting shaft 8 is arranged at the axis of the ash baffle connecting shaft 8, and two ends of the central shaft of the ash baffle connecting shaft 8 are fixed on the front and rear side walls of the dust remover box body 13. The motor 14 drives a driving chain wheel, the driving chain wheel drives a driven chain wheel through the chain 7, and the driven chain wheel drives the ash blocking plate connecting shaft 8 to rotate, so that the movable ash blocking plate 6 is overturned.
In order to prevent dust at the bottom of the dust remover box body 13 from being raised again when the filter element 4 removes dust, when the movable dust baffle 6 is opened, the movable dust baffle 6 is inclined towards the bottom of the dust remover box body 13, and an included angle formed between the inclined movable dust baffle 6 and the bottom of the dust remover box body 13 is 15-30 degrees; in order to prevent the dust accumulated on the movable dust deflector 6 from being lifted again in the process of falling to the bottom of the dust collector case 13, the inclined direction of the movable dust deflector 6 coincides with the wind flow direction.
In order to more completely spray and collect the dust accumulated at the bottom of the dust remover box body 13 on the gravity dust discharging valve 11, the included angle between the nozzle 9-3 and the bottom of the dust remover box body 13 is 30-45 degrees; the nozzles 9-3 on the adjacent pulse ejection pipes 9 are arranged in a staggered mode, and the blowing interval time of the adjacent pulse ejection pipes 9 is 5-10 s.
In order to provide a required space for dust accumulation and simultaneously avoid blowing up dust accumulated in the gravity dust discharging valve 11 during dust discharging, the gravity dust discharging valve 11 is lower than the bottom of the dust remover box body 13 by 5-10 cm.
In order to ensure that the pulse blowing pipe 9 is more stably fixed in the dust remover box 13 during blowing, the pulse blowing pipe 9 is fixed at the bottom of the dust remover box 13 through a supporting base 10.
The working principle of the invention is as follows: when the dust remover works, the integrated control box 12 is started, the integrated control box 12 controls the movable dust baffle 6 to be in a closed state, so that the dust removing space and the dust discharging space of the dust remover are isolated, dust at the bottom of the dust remover box body 13 is prevented from being lifted and being adsorbed on the outer wall of the filter element 4 again, and meanwhile, large-particle dust is settled on the movable dust baffle 6 in the closed state due to the action of gravity; when dust needs to be cleaned on the surface of the filter element 4, the integrated control box 12 controls the movable dust baffle 6 to be opened, large-particle dust on the movable dust baffle 6 falls into the bottom of the dust remover box body 13, and then the integrated control box 12 controls the pulse valve 3 to blow the dust on the filter element 4 down to the bottom of the dust remover box body 13. When dust at the bottom of a dust remover box body 13 reaches a certain thickness and needs to be discharged, the integrated control box 12 controls the movable dust baffle 6 to be closed, so that a dust removing space of the dust remover is isolated from an ash discharging space, the sealing performance of the dust removing space is ensured while ash is discharged, the external air is prevented from being sucked into the dust removing space to influence an internal air flow field when the ash is discharged, the integrated control box 12 controls the nozzles 9-3 which are staggered on the pulse injection pipe 9 to inject and collect the dust to the gravity ash discharging valve 11 when the ash is discharged, and when the accumulated weight of the dust exceeds the bearing capacity of the gravity ash discharging valve 11, the gravity ash discharging valve 11 can automatically open to discharge the dust out of the dust remover.
Claims (7)
1. An integrated control pulse ash discharging device for a dry dust collector comprises a dust collector box body (13), a filter element (4) positioned in the dust collector box body (13) and a plurality of pulse valves (3) arranged at the upper part of the dust collector box body (13), wherein the pulse valves (3) are connected with an air bag (2) arranged outside the dust collector box body (13) through air pipes, an air inlet (1) and an air outlet (5) are arranged on the dust collector box body (13),
it is characterized by also comprising a plurality of movable dust baffles (6) positioned at the lower part of the dust remover box body (13), a plurality of pulse blowing pipes (9) arranged in parallel, a gravity dust discharging valve (11) positioned at the bottom of the dust remover box body (13) at the air outlet (5) side and an integrated control box (12) arranged outside the dust remover box body (13), the pulse blowing pipe (9) is positioned between the movable ash baffle (6) and a bottom plate of the dust remover box body (13), the pulse blowing pipe (9) comprises a pneumatic pulse valve (9-1) and a blowing pipe (9-2) connected with the pneumatic pulse valve (9-1), a plurality of nozzles (9-3) are arranged on the blowing pipe (9-2), the nozzles (9-3) are inclined towards the bottom of the dust remover box body (13), the inclined direction is consistent with the air flow direction, and the pneumatic pulse valve (9-1) is connected with the air bag (2) through an air pipe; the control valves of the pulse valve (3), the movable ash baffles (6) and the pulse blowing pipe (9) are all arranged in an integrated control box (12), the movable ash baffles (6) realize overturning or translation through the integrated control box (12), and a control panel of the integrated control box (12) is provided with a starting switch; the filter element (4) is arranged between the pulse valve (3) and the movable dust baffle (6).
2. The integrated control pulse ash discharge device for the dry dust collector according to claim 1, wherein the movable ash baffles (6) are of a turnover type, the top ends of the movable ash baffles (6) are respectively fixed on ash baffle connecting shafts (8), and the ash baffle connecting shafts (8) are parallel to the blowing pipes (9-2); install motor (14) that drive sprocket in integrated control case (12), drive sprocket passes through chain (7) and links to each other with driven sprocket, and driven sprocket coaxial arrangement is at the both ends of ash blocking plate connecting axle (8), is equipped with rather than roll complex center pin at the axle center of ash blocking plate connecting axle (8), and the center pin both ends of ash blocking plate connecting axle (8) are fixed on the lateral wall around dust remover box (13).
3. The integrated control pulse ash discharge device for the dry dust collector according to claim 1 or 2, wherein when the movable ash baffle (6) is opened, the movable ash baffle (6) is inclined towards the bottom of the dust collector box body (13), and an included angle formed between the inclined movable ash baffle and the bottom of the dust collector box body (13) is 15-30 degrees, and the inclined direction is consistent with the wind flow direction.
4. The integrated control pulse ash discharge device for the dry dust collector according to the claim 1 or 2, characterized in that the included angle between the nozzle (9-3) and the bottom of the dust collector box body (13) is 30-45 °.
5. The integrated control pulse ash discharging device for the dry dust collector as claimed in claim 4, wherein the nozzles (9-3) on the adjacent pulse blowing pipes (9) are arranged in a staggered mode, and the blowing interval time of the adjacent pulse blowing pipes (9) is 5-10 s.
6. The integrated control pulse ash discharging device for the dry dust collector as claimed in claim 1 or 2, wherein the gravity ash discharging valve (11) is 5-10 cm lower than the bottom of the dust collector box body (13).
7. An integrated control pulse ash discharge device for a dry dust collector according to claim 1 or 2, wherein the pulse blowing pipe (9) is fixed to the bottom of the dust collector box (13) through a supporting base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030330.9A CN106823616B (en) | 2017-01-17 | 2017-01-17 | Integrated control pulse ash discharging device for dry dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030330.9A CN106823616B (en) | 2017-01-17 | 2017-01-17 | Integrated control pulse ash discharging device for dry dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106823616A CN106823616A (en) | 2017-06-13 |
| CN106823616B true CN106823616B (en) | 2021-07-16 |
Family
ID=59124730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710030330.9A Active CN106823616B (en) | 2017-01-17 | 2017-01-17 | Integrated control pulse ash discharging device for dry dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106823616B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930268A (en) * | 2017-11-14 | 2018-04-20 | 遵义市贵科科技有限公司 | A kind of deashing device |
| CN109453570B (en) * | 2018-06-26 | 2021-02-26 | 徐州新南湖科技有限公司 | Mining explosion-proof type filtering dust remover |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2210428C1 (en) * | 2001-12-11 | 2003-08-20 | Украинский Государственный Научно-Технический Центр По Технологии И Оборудованию, Обработке Металлов, Защите Окружающей Среды И Использованию Вторичных Ресурсов Для Металлургии И Машиностроения "Энергосталь" | Bag filter |
| CN202061505U (en) * | 2011-04-20 | 2011-12-07 | 江苏牧羊集团有限公司 | Deposit removing device of deduster |
| CN202146681U (en) * | 2011-07-02 | 2012-02-22 | 新疆八一钢铁股份有限公司 | Automatic sweeping device of long-bag low-pressure pulse bag type dust remover |
| CN102949891A (en) * | 2011-08-18 | 2013-03-06 | 林州市林丰铝电有限责任公司 | Side-spray low-pressure-impulse bag-type dust collector |
| CN204502632U (en) * | 2015-03-30 | 2015-07-29 | 江彦强 | Spiral negative pressure dust removing device |
| CN105617789A (en) * | 2016-01-18 | 2016-06-01 | 中国矿业大学 | Automatic quantitative dust discharging device for negative-pressure dust collector |
-
2017
- 2017-01-17 CN CN201710030330.9A patent/CN106823616B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2210428C1 (en) * | 2001-12-11 | 2003-08-20 | Украинский Государственный Научно-Технический Центр По Технологии И Оборудованию, Обработке Металлов, Защите Окружающей Среды И Использованию Вторичных Ресурсов Для Металлургии И Машиностроения "Энергосталь" | Bag filter |
| CN202061505U (en) * | 2011-04-20 | 2011-12-07 | 江苏牧羊集团有限公司 | Deposit removing device of deduster |
| CN202146681U (en) * | 2011-07-02 | 2012-02-22 | 新疆八一钢铁股份有限公司 | Automatic sweeping device of long-bag low-pressure pulse bag type dust remover |
| CN102949891A (en) * | 2011-08-18 | 2013-03-06 | 林州市林丰铝电有限责任公司 | Side-spray low-pressure-impulse bag-type dust collector |
| CN204502632U (en) * | 2015-03-30 | 2015-07-29 | 江彦强 | Spiral negative pressure dust removing device |
| CN105617789A (en) * | 2016-01-18 | 2016-06-01 | 中国矿业大学 | Automatic quantitative dust discharging device for negative-pressure dust collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106823616A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201558626U (en) | Gas dry-process safety cloth bag dust remover | |
| CN112295328B (en) | Ash removal device of intelligent dust removal system and control method thereof | |
| KR100634048B1 (en) | Dust collecting apparatus combining dry and wet type collecting means | |
| CN106823616B (en) | Integrated control pulse ash discharging device for dry dust collector | |
| CN106178713A (en) | Suction type sack cleaner installed alternately by a kind of multilamellar cloth bag | |
| CN201337854Y (en) | Single blower negative pressure bag-type dust collector with back blowing dust cleaning function | |
| CN206334458U (en) | A kind of vertical filter cylinder deduster | |
| CN202682946U (en) | Self-cleaning type dust remover | |
| CN112604441A (en) | Zinc dust explosion-proof dust removal system device | |
| CN101716444A (en) | Compartmental static normal-pressure type pulse bag type dust remover | |
| CN207680287U (en) | A kind of pulse bag type dust collector | |
| CN205965330U (en) | Sack cleaner tail ash recovery unit | |
| CN109224746A (en) | A kind of charging dust pelletizing system for mixed doubtful native tubular pole production | |
| CN210814344U (en) | Dust remover | |
| CN209392954U (en) | A kind of Asta-3746 deduster | |
| CN209848510U (en) | Dust removal equipment applied to steel rolling wire reversible rolling mill | |
| CN113757004A (en) | Air filter capable of being maintained without disassembly | |
| CN216726240U (en) | Long bag type pulse dust collector | |
| CN208553450U (en) | A kind of pulse dust collector | |
| CN216909718U (en) | Dry-type dust removal equipment | |
| CN208659142U (en) | High negative pressure large size dust catcher | |
| CN219744221U (en) | Line spouts pulse sack cleaner | |
| CN111729511A (en) | Portable denitration catalyst dust collecting equipment | |
| KR20090027780A (en) | Dust collector for tunnel | |
| CN105080243A (en) | Dust discharging device for dust remover with negative pressure operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 221000 Xuzhou Tongshan University Road, Xuzhou City, Jiangsu Province, Nanhu campus, China University of Mining and Technology Applicant after: China University of Mining & Technology Address before: 221008 Jiangsu city of Xuzhou province university Quanshan District Road No. 1 South Lake Campus of China University of Mining and Technology Applicant before: China University of Mining & Technology |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |