CN101230022B - 联二脲连续生产工艺 - Google Patents
联二脲连续生产工艺 Download PDFInfo
- Publication number
- CN101230022B CN101230022B CN200810020207XA CN200810020207A CN101230022B CN 101230022 B CN101230022 B CN 101230022B CN 200810020207X A CN200810020207X A CN 200810020207XA CN 200810020207 A CN200810020207 A CN 200810020207A CN 101230022 B CN101230022 B CN 101230022B
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- CN
- China
- Prior art keywords
- reactor
- reaction
- hydrazine hydrate
- mother liquor
- urea
- 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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- ULUZGMIUTMRARO-UHFFFAOYSA-N (carbamoylamino)urea Chemical compound NC(=O)NNC(N)=O ULUZGMIUTMRARO-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title claims description 14
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims abstract description 64
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 60
- 239000012452 mother liquor Substances 0.000 claims abstract description 50
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 46
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004202 carbamide Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000007787 solid Substances 0.000 claims abstract description 25
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000009833 condensation Methods 0.000 claims abstract description 19
- 230000005494 condensation Effects 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000010924 continuous production Methods 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 8
- 238000006482 condensation reaction Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 abstract description 13
- 239000002351 wastewater Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 abstract 2
- 239000011259 mixed solution Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 230000036632 reaction speed Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- -1 after 13 hours Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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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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CN200810020207XA CN101230022B (zh) | 2008-02-27 | 2008-02-27 | 联二脲连续生产工艺 |
Applications Claiming Priority (1)
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CN200810020207XA CN101230022B (zh) | 2008-02-27 | 2008-02-27 | 联二脲连续生产工艺 |
Publications (2)
Publication Number | Publication Date |
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CN101230022A CN101230022A (zh) | 2008-07-30 |
CN101230022B true CN101230022B (zh) | 2011-05-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200810020207XA Active CN101230022B (zh) | 2008-02-27 | 2008-02-27 | 联二脲连续生产工艺 |
Country Status (1)
Country | Link |
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CN (1) | CN101230022B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101709043B (zh) * | 2009-07-09 | 2012-06-13 | 福建省邵武市榕丰化工有限公司 | 联二脲生产中废气废液综合利用 |
CN101967114B (zh) * | 2010-08-27 | 2013-07-03 | 浙江工程设计有限公司 | 合成联二脲的连续生产方法及装置 |
CN102399173B (zh) * | 2011-11-28 | 2014-02-19 | 江苏索普化工股份有限公司 | 制备联二脲的方法 |
CN105399618B (zh) * | 2015-12-21 | 2018-04-10 | 浙江华亿工程设计有限公司 | 异丁酰氯合成的连续生产装置 |
CN106008278B (zh) * | 2016-06-06 | 2017-12-19 | 青海盐湖工业股份有限公司 | 一种联二脲的制备方法 |
CN107029642A (zh) * | 2017-05-08 | 2017-08-11 | 宜兴市宏博精细化工有限公司 | 一种5‑氯‑8‑羟基喹啉制备装置 |
CN111574410A (zh) * | 2020-06-09 | 2020-08-25 | 青海盐湖工业股份有限公司 | 一种尿素和联二脲的联产系统 |
CN114890918A (zh) * | 2022-06-01 | 2022-08-12 | 宁夏日盛高新产业股份有限公司 | 一种联二脲无酸缩合生产方法 |
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2008
- 2008-02-27 CN CN200810020207XA patent/CN101230022B/zh active Active
Non-Patent Citations (2)
Title |
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石庆斌等.减法生产联二脲的工艺.氯碱工业 5.2006,(5),32-34. |
石庆斌等.减法生产联二脲的工艺.氯碱工业 5.2006,(5),32-34. * |
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Publication number | Publication date |
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CN101230022A (zh) | 2008-07-30 |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20080730 Assignee: Jiangsu Sopo Chemical Co.,Ltd. Assignor: JIANGSU SOPO (Group) Co.,Ltd. Contract record no.: 2014320000203 Denomination of invention: Series production technology of biurea Granted publication date: 20110518 License type: Exclusive License Record date: 20140311 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Continuous Production Process of Diurea Granted publication date: 20110518 Pledgee: Bank of Jiangsu Limited by Share Ltd. Zhenjiang branch Pledgor: JIANGSU SOPO (Group) Co.,Ltd. Registration number: Y2024980024739 |