CN105061222B - 2,4‑二氨基甲苯提纯系统 - Google Patents
2,4‑二氨基甲苯提纯系统 Download PDFInfo
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- CN105061222B CN105061222B CN201510550897.XA CN201510550897A CN105061222B CN 105061222 B CN105061222 B CN 105061222B CN 201510550897 A CN201510550897 A CN 201510550897A CN 105061222 B CN105061222 B CN 105061222B
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- crystallizer
- receiving tank
- circulating water
- temperature adjustment
- water
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- 238000000746 purification Methods 0.000 title claims abstract description 34
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 230000035900 sweating Effects 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 150000004999 2,4-diaminotoluenes Chemical class 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 210000002837 heart atrium Anatomy 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- GWXQNFKETHVQIZ-UHFFFAOYSA-N 2-methylbenzene-1,3-diamine;4-methylbenzene-1,3-diamine Chemical class CC1=CC=C(N)C=C1N.CC1=C(N)C=CC=C1N GWXQNFKETHVQIZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 16
- 238000002425 crystallisation Methods 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 11
- 150000005000 2,6-diaminotoluenes Chemical class 0.000 description 8
- 230000008025 crystallization Effects 0.000 description 7
- DYSXLQBUUOPLBB-UHFFFAOYSA-N 2,3-dinitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O DYSXLQBUUOPLBB-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- DYFXGORUJGZJCA-UHFFFAOYSA-N phenylmethanediamine Chemical compound NC(N)C1=CC=CC=C1 DYFXGORUJGZJCA-UHFFFAOYSA-N 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000012041 food component Nutrition 0.000 description 1
- 239000005417 food ingredient Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000010956 selective crystallization Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000002699 waste material 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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CN201510550897.XA CN105061222B (zh) | 2015-09-01 | 2015-09-01 | 2,4‑二氨基甲苯提纯系统 |
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CN201510550897.XA CN105061222B (zh) | 2015-09-01 | 2015-09-01 | 2,4‑二氨基甲苯提纯系统 |
Publications (2)
Publication Number | Publication Date |
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CN105061222A CN105061222A (zh) | 2015-11-18 |
CN105061222B true CN105061222B (zh) | 2017-12-29 |
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CN201510550897.XA Active CN105061222B (zh) | 2015-09-01 | 2015-09-01 | 2,4‑二氨基甲苯提纯系统 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106178582A (zh) * | 2016-08-31 | 2016-12-07 | 烟台国邦化工机械科技有限公司 | 一种熔融结晶方法 |
CN107903178A (zh) * | 2017-11-28 | 2018-04-13 | 沧州众赫科技有限责任公司 | 在甲苯二胺混合物中分离和提纯2,4‑二氨基甲苯的方法和装置 |
CN108681348A (zh) * | 2018-08-07 | 2018-10-19 | 天津会自动化科技有限公司 | 一种化工熔融塔智能温控系统 |
CN111494980A (zh) * | 2020-04-20 | 2020-08-07 | 湖北东方化工有限公司 | 一种用于硝基甲苯熔融结晶的系统和方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100355476C (zh) * | 2005-11-25 | 2007-12-19 | 四川大学 | 熔融结晶法制备高纯有机物的装置 |
CN101250113B (zh) * | 2008-03-28 | 2010-09-29 | 浙江鸿盛化工有限公司 | 一种对苯二胺的精制方法 |
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Application publication date: 20151118 Assignee: Yuansheng branch of Cangzhou Dahua TDI Co.,Ltd. Assignor: HEBEI FENGYUAN GREEN TECHNOLOGY Inc. Contract record no.: X2021980002215 Denomination of invention: Purification system of 2,4-Diaminotoluene Granted publication date: 20171229 License type: Common License Record date: 20210329 |
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Address after: 061000 Floor 5, R&D Building, No. 9, Guofeng Avenue, High tech Zone, Cangzhou City, Hebei Province Patentee after: Hebei Fengyuan Environmental Protection Technology Group Co.,Ltd. Address before: 061000 south of No.1 Road, Zhongjie Industrial Park, Cangzhou City, Hebei Province Patentee before: HEBEI FENGYUAN GREEN TECHNOLOGY Inc. |
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Address after: 010000 West Wanda Sales Center, Genghis Khan West Street, Huimin District, Hohhot City, Inner Mongolia Autonomous Region Patentee after: Antai Fengyuan Environmental Protection Technology (Inner Mongolia) Group Co.,Ltd. Country or region after: China Address before: 061000 Floor 5, R&D Building, No. 9, Guofeng Avenue, High tech Zone, Cangzhou City, Hebei Province Patentee before: Hebei Fengyuan Environmental Protection Technology Group Co.,Ltd. Country or region before: China |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: 2,4-diaminotoluene purification system Granted publication date: 20171229 Pledgee: Baotou Branch of Inner Mongolia Hohhot Jingu Rural Commercial Bank Co.,Ltd. Pledgor: Antai Fengyuan Environmental Protection Technology (Inner Mongolia) Group Co.,Ltd. Registration number: Y2024150000015 |