CN200999954Y - 一种负压自动放水器 - Google Patents
一种负压自动放水器 Download PDFInfo
- Publication number
- CN200999954Y CN200999954Y CNU2007201234416U CN200720123441U CN200999954Y CN 200999954 Y CN200999954 Y CN 200999954Y CN U2007201234416 U CNU2007201234416 U CN U2007201234416U CN 200720123441 U CN200720123441 U CN 200720123441U CN 200999954 Y CN200999954 Y CN 200999954Y
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- CN
- China
- Prior art keywords
- valve
- negative
- negative pressure
- pressure
- control valve
- 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 - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003245 coal Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Abstract
Description
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201234416U CN200999954Y (zh) | 2007-01-29 | 2007-01-29 | 一种负压自动放水器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201234416U CN200999954Y (zh) | 2007-01-29 | 2007-01-29 | 一种负压自动放水器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200999954Y true CN200999954Y (zh) | 2008-01-02 |
Family
ID=39014360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201234416U Expired - Lifetime CN200999954Y (zh) | 2007-01-29 | 2007-01-29 | 一种负压自动放水器 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200999954Y (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994907A (zh) * | 2009-08-19 | 2011-03-30 | 淮南矿业(集团)有限责任公司 | 瓦斯管路的排水系统与方法 |
| CN102537649A (zh) * | 2012-01-11 | 2012-07-04 | 河南理工大学 | 一种无视压差自动放水器 |
| CN102767393A (zh) * | 2012-07-16 | 2012-11-07 | 中国矿业大学 | 一种负压自动放水器 |
| CN104747898A (zh) * | 2015-03-09 | 2015-07-01 | 胡玮琳 | 一种正、负压通用自动放水器 |
| CN105464697A (zh) * | 2016-01-04 | 2016-04-06 | 淮北矿业股份有限公司 | 一种自制自动放水器 |
-
2007
- 2007-01-29 CN CNU2007201234416U patent/CN200999954Y/zh not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994907A (zh) * | 2009-08-19 | 2011-03-30 | 淮南矿业(集团)有限责任公司 | 瓦斯管路的排水系统与方法 |
| CN101994907B (zh) * | 2009-08-19 | 2013-03-20 | 淮南矿业(集团)有限责任公司 | 瓦斯管路的排水系统与方法 |
| CN102537649A (zh) * | 2012-01-11 | 2012-07-04 | 河南理工大学 | 一种无视压差自动放水器 |
| CN102537649B (zh) * | 2012-01-11 | 2014-10-15 | 河南理工大学 | 一种无视压差自动放水器 |
| CN102767393A (zh) * | 2012-07-16 | 2012-11-07 | 中国矿业大学 | 一种负压自动放水器 |
| CN102767393B (zh) * | 2012-07-16 | 2014-10-29 | 中国矿业大学 | 一种负压自动放水器 |
| CN104747898A (zh) * | 2015-03-09 | 2015-07-01 | 胡玮琳 | 一种正、负压通用自动放水器 |
| CN104747898B (zh) * | 2015-03-09 | 2018-07-17 | 胡玮琳 | 一种正、负压通用自动放水器 |
| CN105464697A (zh) * | 2016-01-04 | 2016-04-06 | 淮北矿业股份有限公司 | 一种自制自动放水器 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE Owner name: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTI Free format text: FORMER NAME: CHONGQING BRANCH, COAL SCIENCE RESEARCH GENERAL INST. Owner name: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RE Free format text: FORMER NAME: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Institute of Coal Science Research Institute Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Institute of Coal Science Research Institute Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Branch of China Coal Research Institute |
|
| CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CCTEG CHONGQING RESEARCH INSTITUTE Co.,Ltd. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080102 |