CN109821265A - 一种己内酰胺粗残液精馏装置及工艺 - Google Patents
一种己内酰胺粗残液精馏装置及工艺 Download PDFInfo
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- CN109821265A CN109821265A CN201910198499.4A CN201910198499A CN109821265A CN 109821265 A CN109821265 A CN 109821265A CN 201910198499 A CN201910198499 A CN 201910198499A CN 109821265 A CN109821265 A CN 109821265A
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- caprolactam
- raffinate
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- evaporator
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- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims abstract description 402
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000009194 climbing Effects 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000003776 cleavage reaction Methods 0.000 claims description 42
- 230000007017 scission Effects 0.000 claims description 42
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 12
- 125000002252 acyl group Chemical group 0.000 claims description 9
- 150000001412 amines Chemical class 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 8
- 150000001408 amides Chemical class 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 5
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- 238000013021 overheating Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 7
- 238000007670 refining Methods 0.000 description 6
- 238000004821 distillation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 150000003951 lactams Chemical class 0.000 description 3
- -1 acyl Amine Chemical class 0.000 description 2
- AWSFEOSAIZJXLG-UHFFFAOYSA-N azepan-2-one;hydrate Chemical compound O.O=C1CCCCCN1 AWSFEOSAIZJXLG-UHFFFAOYSA-N 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 1
- CLBRCZAHAHECKY-UHFFFAOYSA-N [Co].[Pt] Chemical compound [Co].[Pt] CLBRCZAHAHECKY-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910198499.4A CN109821265B (zh) | 2019-03-15 | 一种己内酰胺粗残液精馏装置及工艺 |
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CN201910198499.4A CN109821265B (zh) | 2019-03-15 | 一种己内酰胺粗残液精馏装置及工艺 |
Publications (2)
Publication Number | Publication Date |
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CN109821265A true CN109821265A (zh) | 2019-05-31 |
CN109821265B CN109821265B (zh) | 2024-07-09 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110523099A (zh) * | 2019-09-03 | 2019-12-03 | 济宁康德瑞化工科技有限公司 | 一种三乙胺氧化物脱水系统 |
CN114478344A (zh) * | 2022-04-01 | 2022-05-13 | 史秦博苑 | 一种己内酰胺高效气化分离工艺及系统 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110523099A (zh) * | 2019-09-03 | 2019-12-03 | 济宁康德瑞化工科技有限公司 | 一种三乙胺氧化物脱水系统 |
CN114478344A (zh) * | 2022-04-01 | 2022-05-13 | 史秦博苑 | 一种己内酰胺高效气化分离工艺及系统 |
CN114478344B (zh) * | 2022-04-01 | 2024-03-22 | 史秦博苑 | 一种己内酰胺高效气化分离工艺及系统 |
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Effective date of registration: 20240613 Address after: No.3, Kunyu Road, innovation and entrepreneurship Park, high tech Industrial Park, Wushi Town, Pingjiang County, Yueyang City, Hunan Province, 414500 Applicant after: HUNAN ZHONG TIAN YUAN ENVIRONMENTAL ENGINEERING LTD. Country or region after: China Address before: No. 3 Kunyu Road, Wushi Industrial Park, Pingjiang County, Yueyang City, Hunan Province, 414517 Applicant before: HUNAN QINYU CHEMICAL TECHNOLOGY Co.,Ltd. Country or region before: China |
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