CN102371079B - 高浓度甲缩醛加压精馏工艺及制备装置 - Google Patents
高浓度甲缩醛加压精馏工艺及制备装置 Download PDFInfo
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- CN102371079B CN102371079B CN201010250317.2A CN201010250317A CN102371079B CN 102371079 B CN102371079 B CN 102371079B CN 201010250317 A CN201010250317 A CN 201010250317A CN 102371079 B CN102371079 B CN 102371079B
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- distillation column
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- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000004821 distillation Methods 0.000 title abstract description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 90
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000243 solution Substances 0.000 claims abstract description 15
- 239000007791 liquid phase Substances 0.000 claims abstract description 5
- 239000011259 mixed solution Substances 0.000 claims abstract description 5
- 238000000066 reactive distillation Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 12
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 8
- 239000004571 lime Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000008098 formaldehyde solution Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 9
- 238000011049 filling Methods 0.000 description 7
- 238000010992 reflux Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 230000009849 deactivation Effects 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
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- 239000000976 ink Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- -1 polyoxymethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010250317.2A CN102371079B (zh) | 2010-08-09 | 2010-08-09 | 高浓度甲缩醛加压精馏工艺及制备装置 |
Applications Claiming Priority (1)
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CN201010250317.2A CN102371079B (zh) | 2010-08-09 | 2010-08-09 | 高浓度甲缩醛加压精馏工艺及制备装置 |
Publications (2)
Publication Number | Publication Date |
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CN102371079A CN102371079A (zh) | 2012-03-14 |
CN102371079B true CN102371079B (zh) | 2015-01-21 |
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CN201010250317.2A Active CN102371079B (zh) | 2010-08-09 | 2010-08-09 | 高浓度甲缩醛加压精馏工艺及制备装置 |
Country Status (1)
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CN (1) | CN102371079B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104190103B (zh) * | 2014-01-06 | 2016-06-08 | 山东辰信新能源有限公司 | 一种制备甲缩醛的反应精馏塔及装置 |
CN103936569B (zh) * | 2014-04-08 | 2016-03-30 | 江苏凯茂石化科技有限公司 | 一种高浓度甲缩醛生产工艺装置和方法 |
CN104761430A (zh) * | 2015-03-12 | 2015-07-08 | 赛鼎工程有限公司 | 一种变压热耦合精馏分离甲缩醛与甲醇的工艺 |
CN104722249B (zh) * | 2015-03-24 | 2017-01-11 | 江苏凯茂石化科技有限公司 | 一种用于聚甲氧基二甲醚合成的多段式反应塔及聚甲氧基二甲醚合成工艺装置 |
CN104876808B (zh) * | 2015-06-04 | 2017-10-20 | 中建安装工程有限公司 | 一种利用新型催化精馏规整填料生产甲缩醛的装置及工艺 |
CN105152826B (zh) * | 2015-07-21 | 2017-08-25 | 姜玉兰 | 一种医药中间体联苯基化合物的合成方法 |
CN110054550B (zh) * | 2019-04-09 | 2022-03-29 | 天津大学 | 一种气相甲醛法生产聚甲氧基二甲醚的工艺系统和方法 |
CN110156579A (zh) * | 2019-05-07 | 2019-08-23 | 镇江李长荣高性能材料有限公司 | 一种甲缩醛制备工艺 |
CN110496576A (zh) * | 2019-09-17 | 2019-11-26 | 无锡赫利邦化工科技有限公司 | 一种聚甲氧基二甲醚合成与分离系统 |
CN111807940A (zh) * | 2020-07-21 | 2020-10-23 | 安徽金轩科技有限公司 | 一种佳乐麝香生产中废甲醇循环利用的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1807379A (zh) * | 2006-02-15 | 2006-07-26 | 江阴市华凤化工植绒有限公司 | 将低浓度甲缩醛脱除杂质获得高纯度甲缩醛的方法 |
CN101139268A (zh) * | 2007-09-17 | 2008-03-12 | 浙江三博聚合物有限公司 | 含醇稀甲醛溶液提浓除醇的新方法 |
CN201755419U (zh) * | 2010-08-09 | 2011-03-09 | 江苏恒茂机械制造有限公司 | 高浓度甲缩醛加压精馏制备装置 |
-
2010
- 2010-08-09 CN CN201010250317.2A patent/CN102371079B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1807379A (zh) * | 2006-02-15 | 2006-07-26 | 江阴市华凤化工植绒有限公司 | 将低浓度甲缩醛脱除杂质获得高纯度甲缩醛的方法 |
CN101139268A (zh) * | 2007-09-17 | 2008-03-12 | 浙江三博聚合物有限公司 | 含醇稀甲醛溶液提浓除醇的新方法 |
CN201755419U (zh) * | 2010-08-09 | 2011-03-09 | 江苏恒茂机械制造有限公司 | 高浓度甲缩醛加压精馏制备装置 |
Non-Patent Citations (1)
Title |
---|
反应精馏技术生产甲缩醛的新工艺研究;宋磊;《青岛科技大学硕士学位论文》;20090630;1.1.42连续合成反应工艺、1.1.4.3催化精馏合成工艺、4.3中试试验装置设计 * |
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Publication number | Publication date |
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CN102371079A (zh) | 2012-03-14 |
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Owner name: JIANGSU KAIMAO CHEMICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANGSU HENGMAO MACHINERY MANUFACTURE CO., LTD. Effective date: 20140430 |
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Effective date of registration: 20140430 Address after: Xuelang Street Ge Dai Binhu District of Jiangsu Province in 214000 communities in Wuxi City Applicant after: Jiangsu Kaimao Chemical Technology Co., Ltd. Address before: 213169, Jiangsu province Changzhou city Wujin District snow town industrial concentration area Applicant before: Jiangsu Hengmao Machine Manufacture Co., Ltd. |
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Denomination of invention: High concentration methylal pressure distillation process and preparation device thereof Effective date of registration: 20170622 Granted publication date: 20150121 Pledgee: Jiangsu Wujin credit Company limited by guarantee Pledgor: Jiangsu Kaimao Chemical Technology Co., Ltd. Registration number: 2017990000474 |
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