CN104258587B - 工业尿素生产真空设备仪表负向加蒸汽装置及其使用方法 - Google Patents
工业尿素生产真空设备仪表负向加蒸汽装置及其使用方法 Download PDFInfo
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- CN104258587B CN104258587B CN201410503640.4A CN201410503640A CN104258587B CN 104258587 B CN104258587 B CN 104258587B CN 201410503640 A CN201410503640 A CN 201410503640A CN 104258587 B CN104258587 B CN 104258587B
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000004202 carbamide Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 16
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 238000011010 flushing procedure Methods 0.000 claims description 26
- 235000015210 Fockea angustifolia Nutrition 0.000 claims description 10
- 244000186654 Fockea angustifolia Species 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
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CN201410503640.4A CN104258587B (zh) | 2014-09-26 | 2014-09-26 | 工业尿素生产真空设备仪表负向加蒸汽装置及其使用方法 |
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CN201410503640.4A CN104258587B (zh) | 2014-09-26 | 2014-09-26 | 工业尿素生产真空设备仪表负向加蒸汽装置及其使用方法 |
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CN104258587A CN104258587A (zh) | 2015-01-07 |
CN104258587B true CN104258587B (zh) | 2015-12-16 |
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CN201410503640.4A Expired - Fee Related CN104258587B (zh) | 2014-09-26 | 2014-09-26 | 工业尿素生产真空设备仪表负向加蒸汽装置及其使用方法 |
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CN113797562A (zh) * | 2020-06-12 | 2021-12-17 | 中国石油化工股份有限公司 | 一种蒸发结晶的方法和系统 |
CN113101682B (zh) * | 2021-05-28 | 2023-03-24 | 新疆心连心能源化工有限公司 | 减少蒸发掉缩合物稳定尿素生产的装置及处理方法 |
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JPS5526461A (en) * | 1978-08-16 | 1980-02-25 | Babcock Hitachi Kk | Pressure detection unit |
CN2844860Y (zh) * | 2005-10-11 | 2006-12-06 | 济南钢铁股份有限公司 | 一种在线吹扫威力巴流量计取压管的装置 |
CN202860936U (zh) * | 2012-07-13 | 2013-04-10 | 中国一冶集团有限公司 | 一种取压管道吹扫装置 |
CN203155676U (zh) * | 2013-04-03 | 2013-08-28 | 山西太钢不锈钢股份有限公司 | 一种取压管防堵装置 |
CN203534762U (zh) * | 2013-10-29 | 2014-04-09 | 中冶东方工程技术有限公司 | 一种具有氮气吹扫功能的炉口测压装置 |
CN204170443U (zh) * | 2014-09-26 | 2015-02-25 | 安徽淮化股份有限公司 | 一种工业尿素生产真空设备仪表负向加蒸汽装置 |
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SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Jingzhong Inventor after: Chen Wei Inventor after: Ma Yanchun Inventor before: Zhang Jingzhong Inventor before: Chen Wei Inventor before: Wang Ling Inventor before: Ma Yanchun |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG JINGZHONG CHEN WEI WANG LING MA YANCHUN TO: ZHANG JINGZHONG CHEN WEI MA YANCHUN |
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Effective date of registration: 20210430 Address after: 234000 No. 157, Xichang Road, Suzhou, Anhui Patentee after: WANBEI COAL-ELECTRICITY GROUP Co.,Ltd. Address before: 232038 Anhui Huainan Tian Jia An District Quanshan Anhui Huaihua Limited by Share Ltd technology research and Development Center Patentee before: ANHUI HUAIHUA Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20151216 Termination date: 20210926 |