CN102617405B - 一种合成气生产尿素流程中含氢尾气循环利用工艺 - Google Patents
一种合成气生产尿素流程中含氢尾气循环利用工艺 Download PDFInfo
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- CN102617405B CN102617405B CN2012100656558A CN201210065655A CN102617405B CN 102617405 B CN102617405 B CN 102617405B CN 2012100656558 A CN2012100656558 A CN 2012100656558A CN 201210065655 A CN201210065655 A CN 201210065655A CN 102617405 B CN102617405 B CN 102617405B
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- gas
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- urea
- ammonia
- synthesis
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- 239000007789 gas Substances 0.000 title claims abstract description 97
- 239000004202 carbamide Substances 0.000 title claims abstract description 68
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 63
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000001257 hydrogen Substances 0.000 title claims abstract description 29
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 125000004122 cyclic group Chemical group 0.000 title abstract 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 113
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 96
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 53
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 40
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005406 washing Methods 0.000 claims abstract description 30
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 26
- 238000005261 decarburization Methods 0.000 claims abstract description 24
- 230000023556 desulfurization Effects 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000007701 flash-distillation Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 9
- 235000011089 carbon dioxide Nutrition 0.000 claims description 9
- 150000002431 hydrogen Chemical class 0.000 claims description 9
- 239000007791 liquid phase Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910001868 water Inorganic materials 0.000 claims description 7
- 238000005304 joining Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- -1 and/or Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 13
- 239000001569 carbon dioxide Substances 0.000 abstract description 13
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract 5
- 230000008020 evaporation Effects 0.000 abstract 5
- 239000000463 material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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CN2012100656558A CN102617405B (zh) | 2012-03-13 | 2012-03-13 | 一种合成气生产尿素流程中含氢尾气循环利用工艺 |
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CN2012100656558A CN102617405B (zh) | 2012-03-13 | 2012-03-13 | 一种合成气生产尿素流程中含氢尾气循环利用工艺 |
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CN102617405A CN102617405A (zh) | 2012-08-01 |
CN102617405B true CN102617405B (zh) | 2013-12-11 |
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CN2012100656558A Expired - Fee Related CN102617405B (zh) | 2012-03-13 | 2012-03-13 | 一种合成气生产尿素流程中含氢尾气循环利用工艺 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103319375B (zh) * | 2013-05-10 | 2015-04-01 | 中国五环工程有限公司 | 一种合成氨制尿素的节能工艺及其系统 |
CN103880040A (zh) * | 2014-02-25 | 2014-06-25 | 中盐安徽红四方股份有限公司 | 大型合成氨液氮洗装置尾气回收处理方法 |
CN109607567B (zh) * | 2018-12-19 | 2022-04-29 | 南京新世纪江南环保科技发展有限公司 | 一种利用含氢或含碳尾气一体化生产合成氨、碳酸氢钠、甲酸钠、尿素的方法 |
CN114506859A (zh) * | 2022-02-18 | 2022-05-17 | 中船(邯郸)派瑞特种气体股份有限公司 | 一种高纯氘代氨的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1384045A (zh) * | 2001-05-07 | 2002-12-11 | 德士古发展公司 | 生产氨/尿素的气化工艺 |
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 |
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2012
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1384045A (zh) * | 2001-05-07 | 2002-12-11 | 德士古发展公司 | 生产氨/尿素的气化工艺 |
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 (2)
Title |
---|
李圣君.降低中、低压系统尾气放空氨损失的措施.《化肥设计》.2001,第39卷(第5期),第37页1.1部分至第39页第3部分. |
降低中、低压系统尾气放空氨损失的措施;李圣君;《化肥设计》;20011231;第39卷(第5期);第37页1.1部分至第39页第3部分 * |
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