CN104529829A - 一种尿素合成的方法 - Google Patents
一种尿素合成的方法 Download PDFInfo
- Publication number
- CN104529829A CN104529829A CN201410805004.7A CN201410805004A CN104529829A CN 104529829 A CN104529829 A CN 104529829A CN 201410805004 A CN201410805004 A CN 201410805004A CN 104529829 A CN104529829 A CN 104529829A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- high pressure
- carbon dioxide
- urea
- pressure
- 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.)
- Granted
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 239000004202 carbamide Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000002194 synthesizing effect Effects 0.000 title abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 113
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 103
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 50
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 46
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 42
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 16
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 235000011089 carbon dioxide Nutrition 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 7
- 238000005469 granulation Methods 0.000 claims description 7
- 230000003179 granulation Effects 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 claims description 4
- 230000023556 desulfurization Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000354 decomposition reaction Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 235000013877 carbamide Nutrition 0.000 description 48
- 239000007789 gas Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- PPBAJDRXASKAGH-UHFFFAOYSA-N azane;urea Chemical compound N.NC(N)=O PPBAJDRXASKAGH-UHFFFAOYSA-N 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410805004.7A CN104529829B (zh) | 2014-12-22 | 2014-12-22 | 一种尿素合成的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410805004.7A CN104529829B (zh) | 2014-12-22 | 2014-12-22 | 一种尿素合成的方法 |
Publications (2)
Publication Number | Publication Date |
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CN104529829A true CN104529829A (zh) | 2015-04-22 |
CN104529829B CN104529829B (zh) | 2016-06-15 |
Family
ID=52845511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410805004.7A Expired - Fee Related CN104529829B (zh) | 2014-12-22 | 2014-12-22 | 一种尿素合成的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN104529829B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108299243A (zh) * | 2018-05-04 | 2018-07-20 | 山东鸿运工程设计有限公司 | 一种用于吸收三聚氰胺尾气的尿素生产系统与方法 |
CN110746324A (zh) * | 2019-09-24 | 2020-02-04 | 四川金象赛瑞化工股份有限公司 | 一种尿素生产低温、高效、节能低压分解工艺 |
CN111939643A (zh) * | 2020-09-21 | 2020-11-17 | 河南弘康环保科技有限公司 | 车用尿素溶液超净生产系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0504966A1 (en) * | 1991-03-22 | 1992-09-23 | SNAMPROGETTI S.p.A. | Urea production process of high energy efficiency |
CN1074901A (zh) * | 1992-12-23 | 1993-08-04 | 中国五环化学工程公司 | 二氧化碳气提法尿素增产新工艺及装置 |
CN1086511A (zh) * | 1993-08-02 | 1994-05-11 | 中国五环化学工程总公司 | 节能、节资、安全型尿素生产工艺及装置 |
US5849952A (en) * | 1989-09-15 | 1998-12-15 | Shamprogetti S.P.A. | Urea production process with high energy efficiency |
CN1554643A (zh) * | 2003-12-25 | 2004-12-15 | 黑龙江黑化集团有限公司 | 改进工业生产尿素的方法和设备 |
-
2014
- 2014-12-22 CN CN201410805004.7A patent/CN104529829B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5849952A (en) * | 1989-09-15 | 1998-12-15 | Shamprogetti S.P.A. | Urea production process with high energy efficiency |
EP0504966A1 (en) * | 1991-03-22 | 1992-09-23 | SNAMPROGETTI S.p.A. | Urea production process of high energy efficiency |
CN1074901A (zh) * | 1992-12-23 | 1993-08-04 | 中国五环化学工程公司 | 二氧化碳气提法尿素增产新工艺及装置 |
CN1086511A (zh) * | 1993-08-02 | 1994-05-11 | 中国五环化学工程总公司 | 节能、节资、安全型尿素生产工艺及装置 |
CN1554643A (zh) * | 2003-12-25 | 2004-12-15 | 黑龙江黑化集团有限公司 | 改进工业生产尿素的方法和设备 |
Non-Patent Citations (1)
Title |
---|
孙盛杰和杨树禹: "浅谈尿素的工艺流程及设计特点", 《黑龙江科技信息》, no. 4, 31 December 2012 (2012-12-31), pages 23 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108299243A (zh) * | 2018-05-04 | 2018-07-20 | 山东鸿运工程设计有限公司 | 一种用于吸收三聚氰胺尾气的尿素生产系统与方法 |
CN108299243B (zh) * | 2018-05-04 | 2024-04-30 | 山东鸿运工程设计有限公司 | 一种用于吸收三聚氰胺尾气的尿素生产系统与方法 |
CN110746324A (zh) * | 2019-09-24 | 2020-02-04 | 四川金象赛瑞化工股份有限公司 | 一种尿素生产低温、高效、节能低压分解工艺 |
CN111939643A (zh) * | 2020-09-21 | 2020-11-17 | 河南弘康环保科技有限公司 | 车用尿素溶液超净生产系统 |
Also Published As
Publication number | Publication date |
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CN104529829B (zh) | 2016-06-15 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Gao Shuwei Inventor before: Guo Ruizong |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170424 Address after: 300350 Tianjin city Jinnan District Gang Zhen Shuang Gang Cun Bei Jie Xi dragon double 3 No. 8 Patentee after: Gao Shuwei Address before: 312432 Zhejiang city of Shaoxing province Shengzhou City Lake Yan Street West Backstreet 66 Jinshan scenic garden room 908 Patentee before: SHENGZHOU PILOTAGE INFORMATION TECHNOLOGY CO., LTD. |
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CB03 | Change of inventor or designer information |
Inventor after: Song Yongping Inventor after: Geng Lanju Inventor before: Gao Shuwei |
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TR01 | Transfer of patent right |
Effective date of registration: 20170703 Address after: 062150 No. 383 Xinxing North Street, Hebei, Botou Co-patentee after: Geng Lanju Patentee after: Song Yongping Address before: 300350 Tianjin city Jinnan District Gang Zhen Shuang Gang Cun Bei Jie Xi dragon double 3 No. 8 Patentee before: Gao Shuwei |
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Effective date of registration: 20180314 Address after: No. 76, dragon village, Duji Town, Ningjin County, Dezhou, Shandong Patentee after: Meng Xianchun Address before: 062150 No. 383 Xinxing North Street, Hebei, Botou Co-patentee before: Geng Lanju Patentee before: Song Yongping |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20171222 |