CN214881197U - 一种能够回收残液的二甲基乙酰胺生产装置 - Google Patents
一种能够回收残液的二甲基乙酰胺生产装置 Download PDFInfo
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- CN214881197U CN214881197U CN202121316823.7U CN202121316823U CN214881197U CN 214881197 U CN214881197 U CN 214881197U CN 202121316823 U CN202121316823 U CN 202121316823U CN 214881197 U CN214881197 U CN 214881197U
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- Prior art keywords
- rectifying tower
- dimethylacetamide
- residual liquid
- rectifying
- tank
- 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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- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 71
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 66
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000011084 recovery Methods 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000007791 liquid phase Substances 0.000 claims description 24
- 238000004064 recycling Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 11
- 239000012071 phase Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 229940113088 dimethylacetamide Drugs 0.000 description 36
- 239000000047 product Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000000746 purification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121316823.7U CN214881197U (zh) | 2021-06-11 | 2021-06-11 | 一种能够回收残液的二甲基乙酰胺生产装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121316823.7U CN214881197U (zh) | 2021-06-11 | 2021-06-11 | 一种能够回收残液的二甲基乙酰胺生产装置 |
Publications (1)
Publication Number | Publication Date |
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CN214881197U true CN214881197U (zh) | 2021-11-26 |
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Family Applications (1)
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CN202121316823.7U Active CN214881197U (zh) | 2021-06-11 | 2021-06-11 | 一种能够回收残液的二甲基乙酰胺生产装置 |
Country Status (1)
Country | Link |
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CN (1) | CN214881197U (zh) |
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2021
- 2021-06-11 CN CN202121316823.7U patent/CN214881197U/zh active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 332700 Jishan Industrial Park, Pengze, Jiujiang, Jiangxi Patentee after: Jiangxi xinlianxin Chemical Industry Co.,Ltd. Address before: 332700 Jishan Industrial Park, Pengze, Jiujiang, Jiangxi Patentee before: Jiujiang Xinlianxin Chemical Fertilizer Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dimethyl acetamide production device capable of recovering residual liquid Effective date of registration: 20231222 Granted publication date: 20211126 Pledgee: Jiujiang Bank Co.,Ltd. Pengze Sub branch Pledgor: Jiangxi xinlianxin Chemical Industry Co.,Ltd. Registration number: Y2023980073483 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |