CN103423140B - 一种防止真空体系倒吸的方法及装置 - Google Patents
一种防止真空体系倒吸的方法及装置 Download PDFInfo
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- CN103423140B CN103423140B CN201210259314.4A CN201210259314A CN103423140B CN 103423140 B CN103423140 B CN 103423140B CN 201210259314 A CN201210259314 A CN 201210259314A CN 103423140 B CN103423140 B CN 103423140B
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- plc module
- control system
- pump motor
- system plc
- vaccum pump
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004886 process control Methods 0.000 claims description 23
- 238000012369 In process control Methods 0.000 claims description 2
- 238000010965 in-process control Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Programmable Controllers (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210259314.4A CN103423140B (zh) | 2012-07-25 | 2012-07-25 | 一种防止真空体系倒吸的方法及装置 |
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CN201210259314.4A CN103423140B (zh) | 2012-07-25 | 2012-07-25 | 一种防止真空体系倒吸的方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN103423140A CN103423140A (zh) | 2013-12-04 |
CN103423140B true CN103423140B (zh) | 2016-01-13 |
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CN201210259314.4A Active CN103423140B (zh) | 2012-07-25 | 2012-07-25 | 一种防止真空体系倒吸的方法及装置 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113309700A (zh) * | 2021-05-31 | 2021-08-27 | 广东达诚技术有限公司 | 一种片材机双泵抽真空装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2692452Y (zh) * | 2004-03-19 | 2005-04-13 | 杨正川 | 失电断路阀 |
EP1577559A1 (en) * | 2004-03-15 | 2005-09-21 | VARIAN S.p.A. | Vacuum pumping system |
CN2839664Y (zh) * | 2005-05-27 | 2006-11-22 | 上海宝钢建筑维修公司 | 真空抽气泵负压倒灌截止装置 |
CN201273718Y (zh) * | 2008-07-09 | 2009-07-15 | 刘国强 | 多功能燃煤锅炉控制器 |
CN102493843A (zh) * | 2011-11-30 | 2012-06-13 | 北京天地玛珂电液控制系统有限公司 | 一种矿井用防水闸门自动控制系统及其控制方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101751056A (zh) * | 2008-12-10 | 2010-06-23 | 中国科学院沈阳科学仪器研制中心有限公司 | 真空系统恒压恒流调节器及其控制方法 |
CN202659479U (zh) * | 2012-07-25 | 2013-01-09 | 烟台万润精细化工股份有限公司 | 一种防止真空体系倒吸的装置 |
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2012
- 2012-07-25 CN CN201210259314.4A patent/CN103423140B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1577559A1 (en) * | 2004-03-15 | 2005-09-21 | VARIAN S.p.A. | Vacuum pumping system |
CN2692452Y (zh) * | 2004-03-19 | 2005-04-13 | 杨正川 | 失电断路阀 |
CN2839664Y (zh) * | 2005-05-27 | 2006-11-22 | 上海宝钢建筑维修公司 | 真空抽气泵负压倒灌截止装置 |
CN201273718Y (zh) * | 2008-07-09 | 2009-07-15 | 刘国强 | 多功能燃煤锅炉控制器 |
CN102493843A (zh) * | 2011-11-30 | 2012-06-13 | 北京天地玛珂电液控制系统有限公司 | 一种矿井用防水闸门自动控制系统及其控制方法 |
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CN103423140A (zh) | 2013-12-04 |
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Address after: 264006 Shandong city of Yantai Province Economic and Technological Development Zone Wuzhi Mountain Road No. 11 Applicant after: VALIANT Co.,Ltd. Address before: 264006 Shandong city of Yantai Province Economic and Technological Development Zone Wuzhi Mountain Road No. 11 Applicant before: Yantai Valiant Fine Chemicals Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method and device for preventing backsuction of vacuum system Effective date of registration: 20211202 Granted publication date: 20160113 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: VALIANT Co.,Ltd. Registration number: Y2021980013807 |
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Date of cancellation: 20220823 Granted publication date: 20160113 Pledgee: Yantai Branch of China Merchants Bank Co.,Ltd. Pledgor: VALIANT Co.,Ltd. Registration number: Y2021980013807 |