CN104014208B - A kind of deduster - Google Patents
A kind of deduster Download PDFInfo
- Publication number
- CN104014208B CN104014208B CN201410236992.8A CN201410236992A CN104014208B CN 104014208 B CN104014208 B CN 104014208B CN 201410236992 A CN201410236992 A CN 201410236992A CN 104014208 B CN104014208 B CN 104014208B
- Authority
- CN
- China
- Prior art keywords
- air inlet
- filter bag
- injection tube
- deduster
- inlet pipe
- 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
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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- 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
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
- B01D46/0046—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding provoking a tangential stream
-
- 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
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A kind of deduster, comprises casing, filter bag and injection tube, and injection tube distributes radially to surrounding centered by winding-up air inlet, and injection tube and snorkel are rotatably connected; The downward opening gas outlet of filter pocket mouths and injection tube connects one to one; Casing one side is provided with the air inlet pipe that departs from winding-up air inlet center line. A kind of dust pelletizing system that comprises above-mentioned deduster. Filter bag bracing frame bearing in deduster is connected in injection tube, dusty gas is in the time that dust pelletizing system cooling processing enters casing from air inlet pipe, filter bag and annulus frame rotate under the percussion of dusty gas, guarantee that each filter bag is consistent with dusty gas contact probability, outer surface on each filter bag is also consistent with the contact probability of dusty gas, filter bag surface is absorption dust granule fully, increases service life, reduces and changes number of times; Inside and outside staggered double-layered filtering bag is guaranteed all bag filtrations after filtration of dusty gas, can not affect dust removing effects by filtered bag filtration from the gap between filter bag.
Description
Technical field
The invention belongs to combustion products and remove or process field, be specifically related to a kind of deduster.
Background technology
Sack cleaner, is widely used in the industries such as food, cement, casting, pharmacy, by the filter bag in casing, gas is purified, and filters out the dust granules containing in gas. Dusty gas is from air inlet enters deduster, and dust granules is adsorbed on the outer surface of filter bag, in the time that the dust granules of filter bag outer wall constantly increases, dust remover resistance is constantly increased. For the draught control that ensures deduster is within the scope limiting, send signal by pulse control instrument, electromagnetic impulse valve is opened in circulation, makes the compressed air in gas bag be ejected in corresponding filter bag and be gone by each injection hole in injection tube. Filter bag moment sharply expands, and because the percussion of reverse impulse air-flow disappears very soon, filter bag sharply shrinks again, and dilation is cleaned the long-pending grit being attached on filter bag outer wall so repeatedly. But the filter bag position in general deduster is fixed, dusty gas does not change with the contact-making surface of filter bag from air inlet enters deduster, and filter bag one side nearest from air inlet is maximum owing to contacting dusty gas, and service life can be relatively short, later stage filter effect is poor, affects dust removing effects; For fear of affecting filter effect, changing number of times from the nearest filter bag of air inlet needs comparatively frequently, and now this filter bag is not back to a side of air inlet due to facing to air inlet, and filter effect is still better, has caused waste to a certain degree.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, and a kind of deduster is provided, the life-span that it can extend filter bag in deduster, reduce the number of times of changing filter bag, and save the operating cost of deduster.
The technical solution adopted in the present invention is: a kind of deduster, a plurality of injection tubes that share same winding-up air inlets above comprising casing, filter bag and being located in casing, injection tube distributes to surrounding centered by air inlet radially by winding-up, injection tube taking winding-up air inlet as center of rotation and outside snorkel be rotatably connected; Filter bag is located in casing, and the downward opening gas outlet of its filter pocket mouths and injection tube connects one to one, and filter bag bottom is near bottom half; Casing one side is provided with the air inlet pipe that departs from winding-up air inlet center line.
As preferably, between injection tube and outside snorkel, connect and realize injection tube and do pivot relative to the air inlet direction of jetting and rotate by bearing.
As preferably, air inlet pipe is provided with branch's the first air inlet pipe and the second air inlet pipe, is provided with solenoid directional control valve in bifurcation, and the first air inlet pipe and the second air inlet pipe opening direction depart from winding-up air inlet center line.
As preferably, injection tube comprises outer injection tube and interior injection tube, all one end respectively correspondence drop on cylindrical ring stand and inner circle ring stand, the filter bag being connected with injection tube forms inside and outside staggered bilayer distribution.
As preferably, each filter bag is built-in with a filter bag bracing frame, and between filter bag bracing frame and injection tube, bearing is connected.
Further, filter bag bracing frame is and contour cylindric of casing, and its outer surface is provided with the power steering blade of inclination.
The present invention also provides a kind of dust pelletizing system that comprises deduster, comprise blowing plant, cooler, air-introduced machine and above-mentioned arbitrary described deduster, wherein cooler is connected with the air inlet pipe of deduster, blowing plant is connected with the injection tube of deduster by snorkel, and the escape pipe of deduster is connected with air-introduced machine.
As preferably, this dust pelletizing system also comprises a plurality of dust shields, and dust shield is connected with cooler, and its side is provided with the air curtain line being formed by compressed air.
Beneficial effect of the present invention is: the filter bag bracing frame bearing in deduster is connected in injection tube, when dusty gas enters casing from air inlet pipe, filter bag is subject to the gas shock of dusty gas: one, drive all filter bags to do pivot relative to the air inlet opening direction of jetting by annulus frame and rotate, guarantee that each filter bag is consistent with dusty gas contact probability; Two, do pivot by filter bag relative to injection tube opening direction and rotate, guarantee that the outer surface on each filter bag is also consistent with the contact probability of dusty gas. Bring thus following beneficial effect: first, dust granule has fully been adsorbed on the surface of filter bag, has increased service life, has reduced replacing number of times; Moreover inside and outside staggered double-layered filtering bag guarantees that dusty gas all passes through the filtration of filter bag, can be from the gap between filter bag by and filtered bag filtration affects dust removing effects.
Brief description of the drawings
Fig. 1 is deduster structural representation of the present invention.
Fig. 2 is injection tube distribution diagrammatic top view in deduster of the present invention.
Fig. 3 is the structural representation of dust pelletizing system of the present invention.
In figure: 1, casing; 2, air inlet pipe; 21, the first air inlet pipe; 22, the second air inlet pipe; 3, escape pipe; 4, filter bag; 5, injection tube; 51, outer injection tube; 52, interior injection tube; 53, winding-up air inlet; 6, filter bag bracing frame; 71, cylindrical ring stand; 72, inner circle ring stand; 101, blowing plant; 102, cooler; 103, air-introduced machine; 104, snorkel; 105, air curtain line.
Detailed description of the invention
In the specific embodiment of the invention, be the dusty gas that smelting furnace is discharged and be discharged into the dusty gas that airborne dust density is larger and carry out dust removal process, below in conjunction with the accompanying drawings and the specific embodiments the present invention is described in further detail.
As depicted in figs. 1 and 2, a kind of deduster, comprise the filter bag 4 of casing 1, filter pocket mouths band elastic ring and be located at interior near upper surface place 16 of casing 1 injection tube 5 that shares same winding-up air inlets 53, wherein casing 1 length be 2600 millimeters, wide be that 1000 millimeters, height are 3500 millimeters, its left and right sides is provided with air inlet pipe 2 and escape pipe 3, casing 1 below is provided with ash bucket, and this ash bucket below is provided with pneumatic operated valve; 16 injection tubes 5 comprise each eight of outer injection tube 51 that alternate intervals arranges and interior injection tube 52, distribute radially to surrounding centered by air inlet 53 by winding-up, and taking winding-up air inlet 53 as center of rotation and outside snorkel 104 be rotatably connected by bearing; One end of outer injection tube 51 falls within on cylindrical ring stand 71, one end of interior injection tube 52 falls within on inner circle ring stand 72, between cylindrical ring stand 71 and inner circle ring stand 72, be fixedly connected with, the filter bag 4 being connected with injection tube 5 now forms inside and outside staggered bilayer and distributes, and outer injection tube 51 and interior injection tube 52 gas outlets are all down. Each filter bag 4 is built-in with a filter bag bracing frame 6, and filter bag bracing frame 6 is connected in outer injection tube 51 and interior injection tube 52 by bearing; When filter bag 4 nature, be attached at filter bag bracing frame 6 outer surfaces; This filter bag bracing frame 6 is and contour cylindric of casing 1, and its outer surface is provided with and is conducive to the roll steer power-assisted blade (not shown) that gas shock that dusty gas forms is rotated filter bag 4.
As shown in Figure 2, air inlet pipe 2 is provided with branch's the first air inlet pipe 21 and the second air inlet pipe 22, be provided with solenoid directional control valve (not shown) in bifurcation, the first air inlet pipe 21 and the second air inlet pipe 22 opening directions depart from casing 1 center, facilitate dusty gas to form eccentric gas shock filter bag 4 and rotate; The pipe diameter of air inlet pipe 2, the first air inlet pipe 21 and the second air inlet pipe 22 is 500 millimeters.
As shown in Figure 3, a kind of dust pelletizing system, comprise blowing plant 101, cooler 102, air-introduced machine 103, six dust shields 105 and above-mentioned deduster, wherein smelting furnace is connected to the second flue gas leading end by the first flue gas leading and is connected to cooler 102, cooler 102 is connected by the 3rd flue gas leading with the air inlet pipe 2 of deduster, blowing plant 101 is rotatably connected by snorkel 104 and the injection tube 5 of deduster, the escape pipe 3 of deduster is connected with air-introduced machine 103, air-introduced machine 103 rear ends are provided with floss hole, dust shield 105 is connected by the second flue gas leading with cooler 102, its side is provided with the air curtain line being formed by compressed air, compressed air is carried by snorkel 104 by blowing plant 101. in the present embodiment, the first flue gas leading pipe diameter is that 350 millimeters, the second flue gas leading and three wastes tracheal tube diameter are 500 millimeters, cooler 102 is provided with the temperature-dropping fan of a power 1.5KW, 800 millimeters of the pipe diameters of cooler 102, high 2000 millimeters, the power of air-introduced machine 103 is selected 15KW, dust excluding hood cover body port is square, length be 1500 millimeters, wide be 500 millimeters, blowing plant 101 adopts air compressor.
In dust removal process, dust excluding hood in dust pelletizing system is placed near the smelting furnace that dust density is larger, then start air-introduced machine 103 and blowing plant 101 in dust pelletizing system, the dusty gas that smelting furnace gives off flow to the second flue gas leading end by the first flue gas leading, be leaked to airborne part dusty gas concentrates near dust shield 105 ports under the iris action of the air curtain line of compressed air composition, flow to the second flue gas leading by dust shield 105, now all dusty gases are pooled to the second flue gas leading and flow into cooler 102, flow to the air inlet pipe of deduster by the 3rd flue gas leading through cooling processing, the solenoid directional control valve of air inlet pipe bifurcation turns to the first air inlet pipe, dusty gas now flows into dust collector box body by the first air inlet pipe, the air-flow that dusty gas forms touches filter bag, due to air inlet pipe position deviation casing center, air-flow forms eccentric force to filter bag and annulus frame, filter bag is subject to impulsive force and does pivot relative to injection tube opening direction and rotate (hereinafter to be referred as " rotation "), and drive annulus frame to do pivot relative to the air inlet direction of jetting and rotate (hereinafter to be referred as " revolution "), now the filter bag position in casing changes, and the filter bag surface contacting with dusty gas also changes, " rotation " makes each side of single filter bag consistent with dusty gas contact probability, and it is consistent with dusty gas contact probability that " revolution " makes to be connected in all filter bags on annulus frame, " rotation " and " revolution " makes each side of each filter bag guarantee fully to adsorb dust granule, increases its service life, reduces and changes number of times, simultaneously inside and outside staggered double-layered filtering bag guarantees that dusty gas all passes through the filtration of filter bag, can not pass through filtered bag filtration from the gap between filter bag, affects dust removing effects, deduster operation is after 20 minutes, the solenoid directional control valve of air inlet pipe bifurcation turns to the second air inlet pipe, dusty gas flows into dust collector box body by the second air inlet pipe, now in casing, " revolution " direction of filter bag will be changed direction, and further guarantee that each side of each filter bag is consistent with the contact probability of dusty gas, after this, after 20 minutes, convert the solenoid directional control valve of air inlet pipe bifurcation in the every operation of deduster, the flow direction of conversion dusty gas, " revolution " direction of filter bag in control casing.
In addition between snorkel 104 of the present invention and injection tube, be provided with gas bag, and be provided with electromagnetic impulse valve between injection tube and gas bag. When deashing, electromagnetic impulse valve is opened in circulation, makes the compressed air in gas bag be ejected in corresponding filter bag and go via each injection hole in injection tube. Filter bag moment sharply expands, and due to the percussion of reverse impulse air-flow, disappears very soon, and filter bag sharply shrinks again, expands like this, shrinks, and makes the long-pending grit being attached on filter bag outer surface be fallen into ash bucket by cleaning.
It should be noted that, the filter bag bracing frame in the present invention adopts the disclosed filter bag support frame structure of Chinese patent " the filter bag bracing frame of bag filter " of publication number 102407040A; In addition, together with cylindrical ring stand is welded and fixed by contact-making surface with inner circle ring stand.
The above, it is only preferred embodiment of the present invention, not for limiting embodiment of the present invention, those of ordinary skill in the art are according to main design of the present invention and spirit, can carry out very easily corresponding flexible or amendment, the permutation and combination of for example each dependent claims or some routine techniques schemes are added or amendment. All equivalences of doing according to the present patent application the scope of the claims and description change and modify, and all should still remain within the scope of the patent.
Claims (5)
1. a deduster, comprise casing (1) and filter bag (4), it is characterized in that: also comprise a plurality of injection tubes (5) that share same winding-up air inlet (53) of being located at top in casing (1), described injection tube (5) distributes radially to surrounding centered by the air inlet of jetting (53), described injection tube (5) taking the air inlet of jetting (53) as center of rotation and outside snorkel (104) be rotatably connected; Described filter bag (4) is located in described casing (1), and the downward opening gas outlet of its filter pocket mouths and injection tube (5) connects one to one, and filter bag (4) bottom is near casing (1) bottom; Described casing (1) one side is provided with the air inlet pipe (2) that departs from winding-up air inlet (53) center line; Described air inlet pipe (2) is provided with branch's the first air inlet pipe (21) and the second air inlet pipe (22), is provided with solenoid directional control valve in bifurcation, and described the first air inlet pipe (21) and the second air inlet pipe (22) opening direction depart from winding-up air inlet (53) center line.
2. a kind of deduster according to claim 1, is characterized in that: between described injection tube (5) and outside snorkel (104), connected and realized injection tube (5) and do pivot and rotate relative to the air inlet of jetting (53) direction by bearing.
3. a kind of deduster according to claim 1, it is characterized in that: described injection tube (5) comprises outer injection tube (51) and interior injection tube (52), all one end respectively correspondence drop on cylindrical ring stand (71) and inner circle ring stand (72) is upper, staggered bilayer distribution inside and outside the filter bag (4) being connected with injection tube (5) forms.
4. according to a kind of deduster described in claim 1, it is characterized in that: each described filter bag (4) is built-in with a filter bag bracing frame (6), between filter bag bracing frame (6) and injection tube (5), be connected by bearing.
5. a kind of deduster according to claim 4, is characterized in that: described filter bag bracing frame (6) is and contour cylindric of casing (1), and its outer surface is provided with the power steering blade of inclination.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510959554.9A CN105617774B (en) | 2014-05-30 | 2014-05-30 | A kind of dust pelletizing system |
| CN201410236992.8A CN104014208B (en) | 2014-05-30 | 2014-05-30 | A kind of deduster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410236992.8A CN104014208B (en) | 2014-05-30 | 2014-05-30 | A kind of deduster |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510959554.9A Division CN105617774B (en) | 2014-05-30 | 2014-05-30 | A kind of dust pelletizing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104014208A CN104014208A (en) | 2014-09-03 |
| CN104014208B true CN104014208B (en) | 2016-05-04 |
Family
ID=51431374
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410236992.8A Expired - Fee Related CN104014208B (en) | 2014-05-30 | 2014-05-30 | A kind of deduster |
| CN201510959554.9A Expired - Fee Related CN105617774B (en) | 2014-05-30 | 2014-05-30 | A kind of dust pelletizing system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510959554.9A Expired - Fee Related CN105617774B (en) | 2014-05-30 | 2014-05-30 | A kind of dust pelletizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104014208B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315873B (en) * | 2014-11-14 | 2016-03-16 | 大连华锐重工集团股份有限公司 | Mineral hot furnace dust pelletizing system spraying and blowing organ |
| CN106975300A (en) * | 2017-03-08 | 2017-07-25 | 河北洁天环保设备科技有限公司 | A kind of industrial waste gas purifying processing system |
| CN107096315A (en) * | 2017-06-28 | 2017-08-29 | 北京首华科技发展有限公司 | A kind of flying dust entrucking dust arrester |
| CN110856783A (en) * | 2018-08-22 | 2020-03-03 | 苏州科思瑞得环保科技有限公司 | Air box type dust remover with air spraying and blowing pipe |
| CN109847489B (en) * | 2019-03-04 | 2021-04-30 | 青岛宏联电器有限公司 | Dust remover |
| WO2021024699A1 (en) * | 2019-08-07 | 2021-02-11 | パナソニックＩｐマネジメント株式会社 | Collection device |
| CN111068419A (en) * | 2020-01-14 | 2020-04-28 | 刘卫 | High-pressure pulse slow-release back-blowing equipment for high-temperature wall-flow ceramic membrane dust removal equipment |
| CN111501646A (en) * | 2020-03-16 | 2020-08-07 | 唐云 | Green dust removal system for building engineering construction and working method thereof |
| CN111282391B (en) * | 2020-05-12 | 2020-08-04 | 山东交通职业学院 | Environment-friendly dust purification system for cement loading and unloading production line |
| CN112717577A (en) * | 2020-12-17 | 2021-04-30 | 曾敏 | Sack formula dust removal environmental protection equipment of tearing open soon |
| CN113426211A (en) * | 2021-06-22 | 2021-09-24 | 闫华 | Air box type pulse bag dust collector |
| CN115823900B (en) * | 2023-02-16 | 2023-05-09 | 山西高义钢铁有限公司 | Equipment and method for utilizing sintering waste heat in steel plant |
| CN117232271B (en) * | 2023-08-16 | 2024-03-15 | 云南云帆有色金属股份有限公司 | Dust removal system for submerged arc furnace and use method of dust removal system |
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| JPS57132525A (en) * | 1981-02-10 | 1982-08-16 | Taisei Corp | Washing method of filter of dust collector |
| EP0552454A2 (en) * | 1992-01-07 | 1993-07-28 | Bühler Ag | Apparatus for cleaning the filtering elements of a filter |
| CN2269180Y (en) * | 1995-09-06 | 1997-12-03 | 周宏明 | Quick dust remover for dust filter tube |
| CN200991620Y (en) * | 2006-12-30 | 2007-12-19 | 江苏科林集团有限公司 | curve type pulse spraying-blowing assembly |
| CN200991619Y (en) * | 2006-12-19 | 2007-12-19 | 江苏科林集团有限公司 | Step-by-step pipe spray pulse bag-type dust collector |
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| CN203862045U (en) * | 2014-05-30 | 2014-10-08 | 福建广汇龙环保科技有限公司 | Dust remover and system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2048847C (en) * | 1990-08-14 | 1998-10-06 | Warren L. Brame | Blow tube removal |
| CN102698519A (en) * | 2012-05-08 | 2012-10-03 | 苏州市创星通风除尘设备厂 | Filter bag dust collector with filter bag protective cover |
-
2014
- 2014-05-30 CN CN201410236992.8A patent/CN104014208B/en not_active Expired - Fee Related
- 2014-05-30 CN CN201510959554.9A patent/CN105617774B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57132525A (en) * | 1981-02-10 | 1982-08-16 | Taisei Corp | Washing method of filter of dust collector |
| EP0552454A2 (en) * | 1992-01-07 | 1993-07-28 | Bühler Ag | Apparatus for cleaning the filtering elements of a filter |
| CN2269180Y (en) * | 1995-09-06 | 1997-12-03 | 周宏明 | Quick dust remover for dust filter tube |
| CN200991619Y (en) * | 2006-12-19 | 2007-12-19 | 江苏科林集团有限公司 | Step-by-step pipe spray pulse bag-type dust collector |
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| CN202460332U (en) * | 2012-01-17 | 2012-10-03 | 福建省腾辉包装股份有限公司 | Dust removing device for purifying fume discharged from furnace |
| CN203862045U (en) * | 2014-05-30 | 2014-10-08 | 福建广汇龙环保科技有限公司 | Dust remover and system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105617774A (en) | 2016-06-01 |
| CN105617774B (en) | 2018-08-07 |
| CN104014208A (en) | 2014-09-03 |
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Effective date of registration: 20180118 Address after: No. 4 group 35, Mau village, Zhun drum Township, Qianwei County, Sichuan Province Patentee after: Tang Hongjun Address before: 362700 Shishi science and Technology Park, Fujian, Shandong Province, the science and Technology Park on both sides of the Strait of science and technology incubator base, floor four, building Patentee before: Fujian Guanghuilong Environmental Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180423 Address after: 362712 1 innovation and entrepreneurship center, 7 Xin Qiang Road, hi tech Zone, Shishi, Quanzhou, Fujian. Patentee after: Fujian Guanghuilong Environmental Technology Co., Ltd. Address before: No. 4 group 35, Mau village, Zhun drum Township, Qianwei County, Sichuan Province Patentee before: Tang Hongjun |
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| 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: 20160504 Termination date: 20200530 |