CN109663788B - 一种己内酰胺管路的清洗方法 - Google Patents
一种己内酰胺管路的清洗方法 Download PDFInfo
- Publication number
- CN109663788B CN109663788B CN201910019029.7A CN201910019029A CN109663788B CN 109663788 B CN109663788 B CN 109663788B CN 201910019029 A CN201910019029 A CN 201910019029A CN 109663788 B CN109663788 B CN 109663788B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- cleaning
- pressure
- inlet pipe
- caprolactam
- 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.)
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- 238000004140 cleaning Methods 0.000 title claims abstract description 132
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 claims abstract description 56
- 239000011261 inert gas Substances 0.000 claims abstract description 39
- 238000011010 flushing procedure Methods 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Polyamides (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910019029.7A CN109663788B (zh) | 2019-01-09 | 2019-01-09 | 一种己内酰胺管路的清洗方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910019029.7A CN109663788B (zh) | 2019-01-09 | 2019-01-09 | 一种己内酰胺管路的清洗方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109663788A CN109663788A (zh) | 2019-04-23 |
CN109663788B true CN109663788B (zh) | 2021-07-02 |
Family
ID=66149407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910019029.7A Active CN109663788B (zh) | 2019-01-09 | 2019-01-09 | 一种己内酰胺管路的清洗方法 |
Country Status (1)
Country | Link |
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CN (1) | CN109663788B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112588735B (zh) * | 2020-11-27 | 2022-04-08 | 山东中烟工业有限责任公司 | 一种加料机喷嘴在线清洁装置及其清洁方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0400269L (sv) * | 2003-08-01 | 2005-02-02 | Michael Abrahamsson | Förfarande och anordning för värmning medelst ett gasformigt medium. |
CN102389885A (zh) * | 2011-09-27 | 2012-03-28 | 新疆蓝山屯河聚酯有限公司 | 聚酯生产装置中备用熔体管线清洗技术 |
CN102430551B (zh) * | 2011-11-28 | 2014-12-31 | 安徽六国化工股份有限公司 | 磷酸一铵干燥塔料浆输送管道的蒸汽吹扫除垢方法 |
CN103658121B (zh) * | 2013-11-28 | 2015-06-24 | 浙江东华纤维制造有限公司 | 一种阳离子聚酯熔体管道清洗装置及其清洗方法 |
CN107150055A (zh) * | 2017-07-04 | 2017-09-12 | 山东中实易通集团有限公司 | 一种机组启动前不受蒸汽制约的辅汽吹扫系统及方法 |
CN207547188U (zh) * | 2017-11-21 | 2018-06-29 | 七台河宝泰隆圣迈煤化工有限责任公司 | 一种可清理燃料气管线内杂质的装置 |
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2019
- 2019-01-09 CN CN201910019029.7A patent/CN109663788B/zh active Active
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Publication number | Publication date |
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CN109663788A (zh) | 2019-04-23 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220329 Address after: 350200 Binhai Industrial Zone, Changle City, Fuzhou City, Fujian Province Patentee after: CHANGLE LIHENG POLYAMIDE TECHNOLOGY Co.,Ltd. Patentee after: CHANGLE HENGSHEN SYNTHETIC FIBER Co.,Ltd. Address before: 350218 Binhai Industrial Zone, Changle City, Fuzhou City, Fujian Province Patentee before: CHANGLE LIHENG POLYAMIDE TECHNOLOGY Co.,Ltd. |
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CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 301 Houcuo, Zhangliu Village, Jiangtian Town, Changle District, Fuzhou City, Fujian Province, 350206 Patentee after: Fujian Liheng Nylon Industry Co.,Ltd. Country or region after: China Patentee after: Fujian Hengshen Synthetic Fiber Technology Co.,Ltd. Address before: 350200 Binhai Industrial Zone, Changle City, Fuzhou City, Fujian Province Patentee before: CHANGLE LIHENG POLYAMIDE TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: CHANGLE HENGSHEN SYNTHETIC FIBER Co.,Ltd. |