CN114573479B - 一种乙二醇双(丙腈)醚连续化提纯方法及装置 - Google Patents
一种乙二醇双(丙腈)醚连续化提纯方法及装置 Download PDFInfo
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- CN114573479B CN114573479B CN202210479659.4A CN202210479659A CN114573479B CN 114573479 B CN114573479 B CN 114573479B CN 202210479659 A CN202210479659 A CN 202210479659A CN 114573479 B CN114573479 B CN 114573479B
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- China
- Prior art keywords
- evaporator
- buffer tank
- pump
- preheater
- ethylene glycol
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- 238000000034 method Methods 0.000 title claims abstract description 46
- VTHRQKSLPFJQHN-UHFFFAOYSA-N 3-[2-(2-cyanoethoxy)ethoxy]propanenitrile Chemical compound N#CCCOCCOCCC#N VTHRQKSLPFJQHN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000006798 recombination Effects 0.000 claims description 3
- 238000005215 recombination Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 4
- 239000002000 Electrolyte additive Substances 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 22
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 18
- 239000012043 crude product Substances 0.000 description 13
- 238000000926 separation method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000005917 acylation reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- -1 ethylene glycol dipropylene ether Chemical class 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- BCGCCTGNWPKXJL-UHFFFAOYSA-N 3-(2-cyanoethoxy)propanenitrile Chemical compound N#CCCOCCC#N BCGCCTGNWPKXJL-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000010933 acylation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PYMZYVXDCJXPAM-UHFFFAOYSA-N ethane-1,2-diol;propanenitrile Chemical compound CCC#N.CCC#N.OCCO PYMZYVXDCJXPAM-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0006—Coils or serpentines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/009—Collecting, removing and/or treatment of the condensate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210479659.4A CN114573479B (zh) | 2022-05-05 | 2022-05-05 | 一种乙二醇双(丙腈)醚连续化提纯方法及装置 |
Applications Claiming Priority (1)
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CN202210479659.4A CN114573479B (zh) | 2022-05-05 | 2022-05-05 | 一种乙二醇双(丙腈)醚连续化提纯方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN114573479A CN114573479A (zh) | 2022-06-03 |
CN114573479B true CN114573479B (zh) | 2022-07-26 |
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CN202210479659.4A Active CN114573479B (zh) | 2022-05-05 | 2022-05-05 | 一种乙二醇双(丙腈)醚连续化提纯方法及装置 |
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Family Cites Families (2)
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CN109053492B (zh) * | 2018-08-24 | 2021-03-02 | 中国化学赛鼎宁波工程有限公司 | 一种己二腈精馏提纯系统及其精馏提纯方法 |
CN213912397U (zh) * | 2020-12-04 | 2021-08-10 | 北京诚益通控制工程科技股份有限公司 | 一种工业大麻cbd组分分离自动控制系统 |
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- 2022-05-05 CN CN202210479659.4A patent/CN114573479B/zh active Active
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method and device for continuous purification of ethylene glycol bis (propiononitrile) ether Effective date of registration: 20220927 Granted publication date: 20220726 Pledgee: Industrial and Commercial Bank of China Limited Dongying Shengli Sub branch Pledgor: Shandong Haike Xinyuan material technology Co.,Ltd. Registration number: Y2022980016412 |
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Date of cancellation: 20231030 Granted publication date: 20220726 Pledgee: Industrial and Commercial Bank of China Limited Dongying Shengli Sub branch Pledgor: Shandong Haike Xinyuan material technology Co.,Ltd. Registration number: Y2022980016412 |
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