CN104847397A - Gallery dust remover for safety production of coal mine - Google Patents
Gallery dust remover for safety production of coal mine Download PDFInfo
- Publication number
- CN104847397A CN104847397A CN201510186909.5A CN201510186909A CN104847397A CN 104847397 A CN104847397 A CN 104847397A CN 201510186909 A CN201510186909 A CN 201510186909A CN 104847397 A CN104847397 A CN 104847397A
- Authority
- CN
- China
- Prior art keywords
- layer
- coal mine
- air
- safety
- porous plate
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 32
- 239000000428 dust Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000001914 filtration Methods 0.000 claims abstract description 58
- 239000002131 composite material Substances 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 33
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 12
- 229920004934 Dacron® Polymers 0.000 claims description 12
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 12
- 230000001413 cellular effect Effects 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 11
- 239000011941 photocatalyst Substances 0.000 claims description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 239000002817 coal dust Substances 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Catalysts (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a gallery dust remover for the safety production of a coal mine. The gallery dust remover comprises a dust remover casing, an air inlet, an air outlet, an air inlet filtering screen, a multi-hole plate, composite conical water nozzles, an air outlet filtering element and a fan, wherein the fan is arranged in the air inlet; the air inlet filtering screen is arranged on the inner side of the fan; the multi-hole plate is arranged on the other side of the air inlet filtering screen; a plurality of through holes are formed in the multi-hole plate; the composite conical water nozzles are inserted into the holes formed in the multi-hole plate; each composite conical water nozzle comprises a main conical water nozzle and a plurality of secondary conical water nozzles obliquely arranged along the conical bevels of the main conical water nozzle. Through the specific arrangements, coal dust particulate matters in a gallery of the coal mine are effectively removed, the possibility of the explosion caused by coal dust is reduced, and the security coefficient of the coal mine is increased.
Description
Technical field
The present invention relates to a kind of deduster, be specifically related to a kind of for Safety of Coal Mine Production tunnel deduster.
Background technology
Produce a large amount of dust in explosion during coal mine underground mining, loading and hauling operation process, these dust are discharged to ground along with the distinguished and admirable meeting of mine ventilation, and its particle concentration is up to 800mg/m
3above, severe contamination ground environment, causes pollutant to exceed standard.At present, the existing maximum concentration limit value of discharge standard of air pollutants to the discharge that particle allows of China is 150mg/m 3, and the particle concentration during mine for air exhaustion is distinguished and admirable generally exceeds standard, and needs to administer.
The dust-proof operation of coal mine underground coal bed boring, often bore a hole and fly out with regard to there being the coal dust of nearly 1 ton of raw coal formation, several kilometers, Nei Xia air port, tunnel a slice is to the greatest extent black, and sight is shocking.Coal Mines dirt very harmful, the most easily cause dust explosion, cause casualties accident.Also be the root causing miner to obtain pneumoconiosis simultaneously.For these years, for ensureing that mine safety and operating personnel's is healthy, constantly organizational technology's tackling key problem, has designed and produced various dust arrester in the industry, but poor effect, dust removal efficiency at the most 60%.
Summary of the invention
The invention provides can the tunnel deduster of high-efficiency environment friendly energy-conservation, a kind of for Safety of Coal Mine Production tunnel deduster, comprise shell of dust remover, air intake, air outlet, inlet air filter screen layer, porous plate, composite conic water spout, air outlet filtration core and fan, fan is provided with in described air intake, inlet air filter screen layer is provided with inside described fan, described porous plate is arranged on the opposite side of inlet air filter screen layer, described porous plate offers multiple through hole, the thickness of this through hole is 70mm-100mm, described composite conic water spout is inserted in the hole that porous plate offers, this composite conic water spout comprises the secondary tapered injection water nozzle that a main cone shape water spout and Duo Gen are obliquely installed along the tapered slope of main cone shape water spout, a main jet waterpipe is set in main cone shape water spout, each time tapered injection water nozzle arranges one water pipeline, every root time water pipeline of composite conic water spout and its main jet waterpipe UNICOM, the main jet waterpipe of multiple composite conic water spout connects water supply cross over pipe, described water supply cross over pipe connects water source, air outlet place is provided with air outlet filtration core, this air outlet filtration core is coning arranged, this air outlet filtration core comprises air-out filtering meshes, air-out filtering meshes comprises: cellular photocatalyst filtering net layer, be positioned at the immobilized nano titanium oxide filter mesh layer of described cellular photocatalyst filtering net layer side, the aperture of described cellular photocatalyst filtering net layer is 0.7-0.8mm, thickness is 1-1.2mm, in the matrix of described immobilized nano titanium oxide filter mesh layer, the volume content of active carbon is 52-63%, the ultramicrofine nanometer titanium dioxide layer of Activated carbon matrix coating surface, nanometer titanium dioxide layer adopts CVD method to carry out plating, the through-hole inner surface horizontal direction of described porous plate is provided with many tooth bars, the peak of described tooth bar and the difference in height of minimum point are 5-6mm, the number of tooth bar is 6-10, and in porous plate both sides, housing bottom arranges outlet of sewer respectively.Described air outlet filtration core is provided with time filtering meshes inside deduster, and described time filtering meshes air intake direction comprises successively to air-out direction: filter cotton layer, activated carbon filter layer, dacron thread tissue layer.Described inlet air filter screen layer is: glass fiber mesh.The aperture of described porous plate is 50-70mm.Described composite conic water spout is provided with 5-10 time tapered injection water nozzle.This tapered injection water nozzle is horizontal by the angle of inclination of 45-60 degree.Described filter cotton layer thickness is 5mm, activated carbon filtration layer thickness is 5mm, and dacron thread tissue layer thickness is 5mm.Glass fiber mesh thickness is 5mm.Described shell of dust remover is also provided with the fixed part for being suspended on by housing on coal mine gallery wall.Described main jet waterpipe diameter is 5mm, described water pipeline diameter 2mm.
As preferably, described air outlet filtration core is provided with time filtering meshes (7) inside deduster, and described time filtering meshes air intake direction comprises successively to air-out direction: filter cotton layer, activated carbon filter layer, dacron thread tissue layer.
As preferably, described inlet air filter screen layer is: glass fiber mesh.
As preferably, the aperture of described porous plate is 50-70mm.
As preferably, described composite conic water spout is provided with 5-10 time tapered injection water nozzle.
As preferably, this tapered injection water nozzle is horizontal by the angle of inclination of 45-60 degree.
As preferably, described filter cotton layer thickness is 5mm, activated carbon filtration layer thickness is 5mm, and dacron thread tissue layer thickness is 5mm.
As preferably, glass fiber mesh thickness is 5mm.
As preferably, described shell of dust remover is also provided with the fixed part for being suspended on by housing on coal mine gallery wall.
As preferably, described main jet waterpipe diameter is 5mm, described water pipeline diameter 2mm.
Effect of the present invention is:
(1) the present invention is cleaned the dust in air with coordinating of composite conic water spout by porous plate, give full play in small space emphasis cleaning advantage, in addition the water spraying direction of composite conic water spout is relative with air intake direction, increase the time of contact of water and air, cleaning performance is good, cleaning efficiency is high.
(2) the present invention can effectively remove coal dust particle by cleaning and multiple times of filtration in addition, reduces the possibility of the blast that coal dust causes, and improves safety of coal mines coefficient.
(3) by arranging cellular photocatalyst filtering net layer at air-out filtering meshes, being positioned at the immobilized nano titanium oxide filter mesh layer of described cellular photocatalyst filtering net layer side, the effect fully removing residue coal dust particle is reached.
(4) air outlet filtration core is design for disassembly, and described inlet air filter screen layer is design for disassembly, and the filter cotton layer on it, activated carbon filter layer, dacron thread tissue layer is as design for disassembly.This design is convenient to carry out cleaning above-mentioned parts or changing.
(5) in the through-hole inner surface horizontal direction of porous plate, many tooth bars are provided with, better coordinate composite conic water spout, spray splashes down and fully again can be splash tiny spray after tooth bar and composite conic sparge pipe surface, air in through hole is effectively cleaned, the water source saved, and effectively reduce wind speed, make particle being increased by the time in through-holes, particle is fully cleaned.
Accompanying drawing explanation
Fig. 1 is the front section view of the present invention for Safety of Coal Mine Production tunnel deduster
Fig. 2 is embodiment perforated plate construction figure
Detailed description of the invention
Embodiment
As depicted in figs. 1 and 2, a kind of for Safety of Coal Mine Production tunnel deduster, comprise shell of dust remover 1, air intake 2, air outlet 3, inlet air filter screen layer 4, porous plate 5, composite conic water spout 6, air outlet filtration core 8 and fan 9, fan 9 is provided with in described air intake, inlet air filter screen layer 4 is provided with inside described fan 9, described porous plate 5 is arranged on the opposite side of inlet air filter screen layer, described porous plate 5 offers multiple through hole 10, the thickness of this through hole is 70mm-100mm, described composite conic water spout 6 is inserted in the hole that porous plate offers, this composite conic water spout 6 comprises the secondary tapered injection water nozzle 12 that a main cone shape water spout 11 and Duo Gen are obliquely installed along the tapered slope of main cone shape water spout, a main jet waterpipe is set in main cone shape water spout, each time tapered injection water nozzle arranges one water pipeline, every root time water pipeline of composite conic water spout 6 and its main jet waterpipe UNICOM, the main jet waterpipe of multiple composite conic water spout 6 connects water supply cross over pipe 13, described water supply cross over pipe 13 connects water source, air outlet 3 place is provided with air outlet filtration core 8, this air outlet filtration core 8 is coning arranged, this air outlet filtration core 8 comprises air-out filtering meshes, air-out filtering meshes comprises: cellular photocatalyst filtering net layer, be positioned at the immobilized nano titanium oxide filter mesh layer of described cellular photocatalyst filtering net layer side, the aperture of described cellular photocatalyst filtering net layer is 0.7-0.8mm, thickness is 1-1.2mm, in the matrix of described immobilized nano titanium oxide filter mesh layer, the volume content of active carbon is 52-63%, the ultramicrofine nanometer titanium dioxide layer of Activated carbon matrix coating surface, nanometer titanium dioxide layer adopts CVD method to carry out plating, the through hole 10 inner surface horizontal direction of described porous plate 5 is provided with many tooth bars, the peak of described tooth bar and the difference in height of minimum point are 5-6mm, the number of tooth bar is 6-10, and in porous plate both sides, housing bottom arranges outlet of sewer respectively.Described air outlet filtration core is provided with time filtering meshes 7 inside deduster, and described time filtering meshes air intake direction comprises successively to air-out direction: filter cotton layer, activated carbon filter layer, dacron thread tissue layer.Described inlet air filter screen layer is: glass fiber mesh.The aperture of described porous plate is 50-70mm.Described composite conic water spout is provided with 5-10 time tapered injection water nozzle.This tapered injection water nozzle is horizontal by the angle of inclination of 45-60 degree.Described filter cotton layer thickness is 5mm, activated carbon filtration layer thickness is 5mm, and dacron thread tissue layer thickness is 5mm.Glass fiber mesh thickness is 5mm.Described shell of dust remover is also provided with the fixed part for being suspended on by housing on coal mine gallery wall.Described main jet waterpipe diameter is 5mm, described water pipeline diameter 2mm.
In coal mine gallery, air is entered for Safety of Coal Mine Production tunnel deduster air intake by the present invention, pass through glass fiber mesh successively subsequently, enter into deduster inside, air enters into the hole of porous plate subsequently, rinses to the particle in air under the effect of water, and air-flow is successively by filter cotton layer, activated carbon filter layer subsequently, dacron thread tissue layer, after enter into again taper air outlet filter core, air-out filtering meshes carries out residual particles filtration, and clean clean air enters in tunnel.
Claims (10)
1. one kind for Safety of Coal Mine Production tunnel deduster, comprise shell of dust remover, air intake, air outlet, inlet air filter screen layer, porous plate, composite conic water spout, air outlet filtration core and fan, fan is provided with in described air intake, inlet air filter screen layer is provided with inside described fan, described porous plate is arranged on the opposite side of inlet air filter screen layer, described porous plate offers multiple through hole, the thickness of this through hole is 70mm-100mm, described composite conic water spout is inserted in the hole that porous plate offers, this composite conic water spout comprises the secondary tapered injection water nozzle that a main cone shape water spout and Duo Gen are obliquely installed along the tapered slope of main cone shape water spout, a main jet waterpipe is set in main cone shape water spout, each time tapered injection water nozzle arranges one water pipeline, every root time water pipeline of composite conic water spout and its main jet waterpipe UNICOM, the main jet waterpipe of multiple composite conic water spout connects water supply cross over pipe, described water supply cross over pipe connects water source, air outlet place is provided with air outlet filtration core, this air outlet filtration core is coning arranged, this air outlet filtration core comprises air-out filtering meshes, air-out filtering meshes comprises: cellular photocatalyst filtering net layer, be positioned at the immobilized nano titanium oxide filter mesh layer of described cellular photocatalyst filtering net layer side, the aperture of described cellular photocatalyst filtering net layer is 0.7-0.8mm, thickness is 1-1.2mm, in the matrix of described immobilized nano titanium oxide filter mesh layer, the volume content of active carbon is 52-63%, the ultramicrofine nanometer titanium dioxide layer of Activated carbon matrix coating surface, nanometer titanium dioxide layer adopts CVD method to carry out plating, the through-hole inner surface horizontal direction of described porous plate is provided with many tooth bars, the peak of described tooth bar and the difference in height of minimum point are 5-6mm, the number of tooth bar is 6-10, in porous plate both sides, housing bottom arranges outlet of sewer respectively, described air outlet filtration core is provided with time filtering meshes inside deduster, described time filtering meshes air intake direction comprises successively to air-out direction: filter cotton layer, activated carbon filter layer, dacron thread tissue layer, described inlet air filter screen layer is: glass fiber mesh, the aperture of described porous plate is 50-70mm, described composite conic water spout is provided with 5-10 time tapered injection water nozzle, this tapered injection water nozzle is horizontal by the angle of inclination of 45-60 degree, described filter cotton layer thickness is 5mm, activated carbon filtration layer thickness is 5mm, dacron thread tissue layer thickness is 5mm, glass fiber mesh thickness is 5mm, described shell of dust remover is also provided with the fixed part for being suspended on by housing on coal mine gallery wall, described main jet waterpipe diameter is 5mm, described water pipeline diameter 2mm.
2. as claimed in claim 1 for Safety of Coal Mine Production tunnel deduster, described air outlet filtration core is provided with time filtering meshes (7) inside deduster, described time filtering meshes comprises from air intake direction successively to air-out direction: filter cotton layer, activated carbon filter layer, dacron thread tissue layer.
3. as claimed in claim 1 for Safety of Coal Mine Production tunnel deduster, described inlet air filter screen layer is: glass fiber mesh.
4. as claimed in claim 1 for Safety of Coal Mine Production tunnel deduster, the outer aperture of through hole of described porous plate is 100mm.
5. as claimed in claim 1 for Safety of Coal Mine Production tunnel deduster, described composite conic water spout is provided with 5-10 time tapered injection water nozzle.
6. as claimed in claim 1 for Safety of Coal Mine Production tunnel deduster, this tapered injection water nozzle is horizontal by the angle of inclination of 45-60 degree.
7. as claimed in claim 2 for Safety of Coal Mine Production tunnel deduster, described filter cotton layer thickness is 5mm, activated carbon filtration layer thickness is 5mm, and dacron thread tissue layer thickness is 5mm.
8. as claimed in claim 3 for Safety of Coal Mine Production tunnel deduster, glass fiber mesh thickness is 5mm.
9. as claimed in claim 9 for Safety of Coal Mine Production tunnel deduster, described shell of dust remover is also provided with the fixed part for being suspended on by housing on coal mine gallery wall.
10. as claimed in claim 1 for Safety of Coal Mine Production tunnel deduster, described main jet waterpipe diameter is 5mm, described water pipeline diameter 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510186909.5A CN104847397B (en) | 2013-09-01 | 2013-09-01 | One kind is used for Safety of Coal Mine Production tunnel deduster |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510186909.5A CN104847397B (en) | 2013-09-01 | 2013-09-01 | One kind is used for Safety of Coal Mine Production tunnel deduster |
| CN201310388129.XA CN103410555B (en) | 2013-09-01 | 2013-09-01 | Gallery dust remover for coal mine safety production |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310388129.XA Division CN103410555B (en) | 2013-09-01 | 2013-09-01 | Gallery dust remover for coal mine safety production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847397A true CN104847397A (en) | 2015-08-19 |
| CN104847397B CN104847397B (en) | 2017-03-08 |
Family
ID=49603589
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310388129.XA Active CN103410555B (en) | 2013-09-01 | 2013-09-01 | Gallery dust remover for coal mine safety production |
| CN201510186909.5A Active CN104847397B (en) | 2013-09-01 | 2013-09-01 | One kind is used for Safety of Coal Mine Production tunnel deduster |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310388129.XA Active CN103410555B (en) | 2013-09-01 | 2013-09-01 | Gallery dust remover for coal mine safety production |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103410555B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332731A (en) * | 2015-10-28 | 2016-02-17 | 无锡市惠泽通用机械有限公司 | Anti-explosion air extracting device for coal mine well |
| CN105332732A (en) * | 2015-10-28 | 2016-02-17 | 无锡市惠泽通用机械有限公司 | Low-temperature exhaust device for mines |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946388B (en) * | 2020-08-17 | 2022-01-04 | 南京凌翔节能科技有限公司 | Colliery dust fall board and colliery dust device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60143813U (en) * | 1984-03-01 | 1985-09-24 | 積水ハウス株式会社 | eaves tiles |
| DE4002462A1 (en) * | 1990-01-28 | 1991-08-01 | Reno Gmbh En Und Umwelttechnik | Waste gas filtering and cleaning - by passage at controlled velocity through moving filter and sorbent bed |
| CN1358161A (en) * | 2000-01-17 | 2002-07-10 | 日本碍子株式会社 | Honeycomb structure and method for manufacture thereof |
| CN200939366Y (en) * | 2006-08-10 | 2007-08-29 | 李泽清 | Composite filter |
| CN102678163A (en) * | 2012-06-04 | 2012-09-19 | 杭州祥龙钻探设备有限公司 | Dust removal device for drilling orifice of coal mine tunnel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60143813A (en) * | 1983-12-30 | 1985-07-30 | Fukue Nishimori | Separator of gas and water |
| US8100200B2 (en) * | 2009-04-16 | 2012-01-24 | Atlas Copco Secoroc Llc | Chuck assembly for a down-hole drill |
-
2013
- 2013-09-01 CN CN201310388129.XA patent/CN103410555B/en active Active
- 2013-09-01 CN CN201510186909.5A patent/CN104847397B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60143813U (en) * | 1984-03-01 | 1985-09-24 | 積水ハウス株式会社 | eaves tiles |
| DE4002462A1 (en) * | 1990-01-28 | 1991-08-01 | Reno Gmbh En Und Umwelttechnik | Waste gas filtering and cleaning - by passage at controlled velocity through moving filter and sorbent bed |
| CN1358161A (en) * | 2000-01-17 | 2002-07-10 | 日本碍子株式会社 | Honeycomb structure and method for manufacture thereof |
| CN200939366Y (en) * | 2006-08-10 | 2007-08-29 | 李泽清 | Composite filter |
| CN102678163A (en) * | 2012-06-04 | 2012-09-19 | 杭州祥龙钻探设备有限公司 | Dust removal device for drilling orifice of coal mine tunnel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332731A (en) * | 2015-10-28 | 2016-02-17 | 无锡市惠泽通用机械有限公司 | Anti-explosion air extracting device for coal mine well |
| CN105332732A (en) * | 2015-10-28 | 2016-02-17 | 无锡市惠泽通用机械有限公司 | Low-temperature exhaust device for mines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103410555B (en) | 2015-07-01 |
| CN103410555A (en) | 2013-11-27 |
| CN104847397B (en) | 2017-03-08 |
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Effective date of registration: 20161223 Address after: 516157 Boluo County, Huizhou Province Yang Yang Village Road, No. 187, Guangdong Applicant after: Xie Caihong Address before: 100192 Beijing city Changping District East Town Jiayun Park District 3 Building 3 unit 322 room Applicant before: Li Qian |
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Effective date of registration: 20200603 Address after: 221000 Qianlou Village, Huangji Town, Tongshan District, Xuzhou City, Jiangsu Province, Team 121 Patentee after: Chen Huanhuan Address before: 516157, No. 187 Yang Cun road, Yang village, Boluo County, Huizhou, Guangdong Patentee before: Xie Caihong |
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Effective date of registration: 20201119 Address after: Room 501, Jianshe building, No.20, Zhongshi Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Xiangcheng Daichen science and Technology Industrial Park Operation Management Co., Ltd Address before: Room 903, 9 / F, Yuting Plaza, 59 Wangqiao Road, Xiongzhou street, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Nanjing bailing Intelligent Equipment Technology Co., Ltd |
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