CN103301722B - 碳酸铵或碳酸氢铵制降氮脱硝用氨水方法 - Google Patents
碳酸铵或碳酸氢铵制降氮脱硝用氨水方法 Download PDFInfo
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- CN103301722B CN103301722B CN201310221925.4A CN201310221925A CN103301722B CN 103301722 B CN103301722 B CN 103301722B CN 201310221925 A CN201310221925 A CN 201310221925A CN 103301722 B CN103301722 B CN 103301722B
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- Prior art keywords
- ammoniacal liquor
- reaction tower
- circulation fluid
- ammonium carbonate
- carbonic hydroammonium
- 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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- 235000011114 ammonium hydroxide Nutrition 0.000 title claims abstract description 61
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 52
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000001099 ammonium carbonate Substances 0.000 title claims abstract description 38
- 235000012501 ammonium carbonate Nutrition 0.000 title claims abstract description 35
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 71
- 239000012530 fluid Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 44
- 239000012452 mother liquor Substances 0.000 claims description 36
- 229910021529 ammonia Inorganic materials 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000011343 solid material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000002085 persistent effect Effects 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 abstract description 12
- 238000002360 preparation method Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 3
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310221925.4A CN103301722B (zh) | 2013-06-06 | 2013-06-06 | 碳酸铵或碳酸氢铵制降氮脱硝用氨水方法 |
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CN201310221925.4A CN103301722B (zh) | 2013-06-06 | 2013-06-06 | 碳酸铵或碳酸氢铵制降氮脱硝用氨水方法 |
Publications (2)
Publication Number | Publication Date |
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CN103301722A CN103301722A (zh) | 2013-09-18 |
CN103301722B true CN103301722B (zh) | 2015-09-30 |
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CN201310221925.4A Expired - Fee Related CN103301722B (zh) | 2013-06-06 | 2013-06-06 | 碳酸铵或碳酸氢铵制降氮脱硝用氨水方法 |
Country Status (1)
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CN (1) | CN103301722B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111439758B (zh) * | 2020-03-18 | 2024-02-23 | 宁波上福源环保科技有限公司 | 一种含氨废气回收再利用装置及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2825630A (en) * | 1954-04-30 | 1958-03-04 | Phillips Petroleum Co | Composition control of aqueous ammonia solution by differential pressure |
CN101829486A (zh) * | 2010-06-08 | 2010-09-15 | 叶力平 | 用于烟气脱硝的碳酸氢铵湿法制氨工艺及系统 |
CN201793380U (zh) * | 2010-09-09 | 2011-04-13 | 西安热工研究院有限公司 | 一种碳酸氢铵热解制氨系统 |
US8088336B2 (en) * | 2007-04-23 | 2012-01-03 | Denso Corporation | Reducing gas generator and solid reductant SCR system having the generator |
CN203284216U (zh) * | 2013-06-06 | 2013-11-13 | 四川亚连科技有限责任公司 | 碳酸铵或碳酸氢铵制降氮脱硝用氨水装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202620989U (zh) * | 2012-06-13 | 2012-12-26 | 北京烨晶科技有限公司 | 用于氨和二氧化碳混合气体的分离系统 |
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2013
- 2013-06-06 CN CN201310221925.4A patent/CN103301722B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2825630A (en) * | 1954-04-30 | 1958-03-04 | Phillips Petroleum Co | Composition control of aqueous ammonia solution by differential pressure |
US8088336B2 (en) * | 2007-04-23 | 2012-01-03 | Denso Corporation | Reducing gas generator and solid reductant SCR system having the generator |
CN101829486A (zh) * | 2010-06-08 | 2010-09-15 | 叶力平 | 用于烟气脱硝的碳酸氢铵湿法制氨工艺及系统 |
CN201793380U (zh) * | 2010-09-09 | 2011-04-13 | 西安热工研究院有限公司 | 一种碳酸氢铵热解制氨系统 |
CN203284216U (zh) * | 2013-06-06 | 2013-11-13 | 四川亚连科技有限责任公司 | 碳酸铵或碳酸氢铵制降氮脱硝用氨水装置 |
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CN103301722A (zh) | 2013-09-18 |
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Address after: West high tech Zone Chengdu city Sichuan province 610000 City Road No. 399 Patentee after: SICHUAN TECHAIRS Co.,Ltd. Address before: West high tech Zone Chengdu city Sichuan province 610000 City Road No. 399 Patentee before: SICHUAN YALIAN TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20201020 Address after: 314400 Room 501, 5th Floor, Block D, 28 Shuangfu Road, Haining Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG TIANCAI YUNJI TECHNOLOGY Co.,Ltd. Address before: West high tech Zone Chengdu city Sichuan province 610000 City Road No. 399 Patentee before: SICHUAN TECHAIRS Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20150930 |