CN103521060A - 利用锅炉烟气氨法脱硫处理硫回收尾气的方法 - Google Patents
利用锅炉烟气氨法脱硫处理硫回收尾气的方法 Download PDFInfo
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- CN103521060A CN103521060A CN201210229836.XA CN201210229836A CN103521060A CN 103521060 A CN103521060 A CN 103521060A CN 201210229836 A CN201210229836 A CN 201210229836A CN 103521060 A CN103521060 A CN 103521060A
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- flue gas
- sulfur recovery
- tail gas
- absorption
- absorption tower
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- 238000000034 method Methods 0.000 title claims abstract description 113
- 239000007789 gas Substances 0.000 title claims abstract description 75
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000011084 recovery Methods 0.000 title claims abstract description 66
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 66
- 239000011593 sulfur Substances 0.000 title claims abstract description 66
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000003546 flue gas Substances 0.000 title claims abstract description 59
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 13
- 230000023556 desulfurization Effects 0.000 title claims abstract description 13
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 92
- 239000007788 liquid Substances 0.000 claims abstract description 41
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 20
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 claims abstract description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 claims description 31
- 238000007254 oxidation reaction Methods 0.000 claims description 18
- 230000003647 oxidation Effects 0.000 claims description 17
- 239000000779 smoke Substances 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 14
- 239000006096 absorbing agent Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 239000006227 byproduct Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 239000003245 coal Substances 0.000 claims description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000012452 mother liquor Substances 0.000 claims description 4
- 239000002918 waste heat Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000013505 freshwater Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000005864 Sulphur Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- GVGLGOZIDCSQPN-PVHGPHFFSA-N Heroin Chemical compound O([C@H]1[C@H](C=C[C@H]23)OC(C)=O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4OC(C)=O GVGLGOZIDCSQPN-PVHGPHFFSA-N 0.000 description 6
- 238000005984 hydrogenation reaction Methods 0.000 description 6
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- 238000012856 packing Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 230000003020 moisturizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
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Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Treating Waste Gases (AREA)
Abstract
Description
组分 | 摩尔含量/% |
H2S | 0.000 |
SO2 | 0.491 |
COS | 0.000 |
CS2 | 0.001 |
CO2 | 36.658 |
O2 | 3.000 |
N2 | 38.353 |
Ar | 0.453 |
H2O | 21.036 |
项目 | 指标 |
外观 | 无可见机械杂质 |
氮(N)含量(以干基计)≥ | 21.0 |
水分≤ | 0.30 |
游离酸含量≤ | 0.05 |
项目 | SCOT工艺 | RAR工艺 | SSR工艺 | 本发明 |
总硫回收率 | 99.8%以上 | 99.8%以上 | 99.8%以上 | 99.9%以上 |
排放指标SO2 | <600mg/Nm3 | <600mg/Nm3 | <600mg/Nm3 | <100mg/Nm3 |
能否达标排放 | 能 | 能 | 能 | 远低于指标 |
Claims (9)
Priority Applications (1)
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CN201210229836.XA CN103521060B (zh) | 2012-07-04 | 2012-07-04 | 利用锅炉烟气氨法脱硫处理硫回收尾气的方法 |
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CN201210229836.XA CN103521060B (zh) | 2012-07-04 | 2012-07-04 | 利用锅炉烟气氨法脱硫处理硫回收尾气的方法 |
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Publication Number | Publication Date |
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CN103521060A true CN103521060A (zh) | 2014-01-22 |
CN103521060B CN103521060B (zh) | 2017-01-25 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105020723A (zh) * | 2015-07-30 | 2015-11-04 | 中国五环工程有限公司 | 一种基于Claus反应系统的低硫排放的硫回收工艺及系统 |
CN107983125A (zh) * | 2018-01-05 | 2018-05-04 | 正和集团股份有限公司 | 一种硫磺烟气的深度洁净化处理系统以及工艺 |
CN108949268A (zh) * | 2018-07-20 | 2018-12-07 | 北京欧美中科学技术研究院 | 一种可节能降耗的脱硫吸收液 |
US10343110B2 (en) | 2017-05-25 | 2019-07-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
US10357741B2 (en) | 2017-09-07 | 2019-07-23 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
US10399033B2 (en) | 2017-05-25 | 2019-09-03 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
US10406477B2 (en) | 2017-03-15 | 2019-09-10 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
US10421040B2 (en) | 2017-07-03 | 2019-09-24 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
US10583386B2 (en) | 2017-06-14 | 2020-03-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
CN112495154A (zh) * | 2020-12-07 | 2021-03-16 | 昆岳互联环境技术(江苏)有限公司 | 一种新型硫回收尾气脱硫脱硝装置及方法 |
US10953365B2 (en) | 2018-07-20 | 2021-03-23 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
US11027234B2 (en) | 2018-04-13 | 2021-06-08 | Jiangnan Environmental Protection Group Inc. | Oxidization of ammonia desulfurization solution |
US11224838B2 (en) | 2019-12-26 | 2022-01-18 | Jiangnan Environmental Protection Group Inc. | Controlling aerosol production during absorption in ammonia-based desulfurization |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1935322A (zh) * | 2006-10-13 | 2007-03-28 | 金川集团有限公司 | 一种冶炼烟气中二氧化硫回收的方法 |
CN201171962Y (zh) * | 2007-12-14 | 2008-12-31 | 广东省电力设计研究院 | 两炉一塔式湿法烟气脱硫装置烟气系统 |
CN101601964A (zh) * | 2009-06-03 | 2009-12-16 | 李鹏举 | 一种高效氨法烟气脱硫工艺及装置 |
WO2010115871A1 (en) * | 2009-04-08 | 2010-10-14 | Shell Internationale Research Maatschappij B.V. | Method of treating an off-gas stream and an apparatus therefor |
CN201669044U (zh) * | 2009-12-30 | 2010-12-15 | 娄爱娟 | 一种带有氧化槽的氨法烟气脱硫装置 |
CN102205202A (zh) * | 2010-03-29 | 2011-10-05 | 北京丰汉工程咨询有限公司 | 一种含h2s的酸性气的处理方法 |
CN102309919A (zh) * | 2010-07-07 | 2012-01-11 | 中国石油化工股份有限公司 | 含硫化合物废气组合处理方法 |
-
2012
- 2012-07-04 CN CN201210229836.XA patent/CN103521060B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1935322A (zh) * | 2006-10-13 | 2007-03-28 | 金川集团有限公司 | 一种冶炼烟气中二氧化硫回收的方法 |
CN201171962Y (zh) * | 2007-12-14 | 2008-12-31 | 广东省电力设计研究院 | 两炉一塔式湿法烟气脱硫装置烟气系统 |
WO2010115871A1 (en) * | 2009-04-08 | 2010-10-14 | Shell Internationale Research Maatschappij B.V. | Method of treating an off-gas stream and an apparatus therefor |
CN101601964A (zh) * | 2009-06-03 | 2009-12-16 | 李鹏举 | 一种高效氨法烟气脱硫工艺及装置 |
CN201669044U (zh) * | 2009-12-30 | 2010-12-15 | 娄爱娟 | 一种带有氧化槽的氨法烟气脱硫装置 |
CN102205202A (zh) * | 2010-03-29 | 2011-10-05 | 北京丰汉工程咨询有限公司 | 一种含h2s的酸性气的处理方法 |
CN102309919A (zh) * | 2010-07-07 | 2012-01-11 | 中国石油化工股份有限公司 | 含硫化合物废气组合处理方法 |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105020723A (zh) * | 2015-07-30 | 2015-11-04 | 中国五环工程有限公司 | 一种基于Claus反应系统的低硫排放的硫回收工艺及系统 |
US10413864B2 (en) | 2017-03-15 | 2019-09-17 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
US10675584B2 (en) | 2017-03-15 | 2020-06-09 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
US10406477B2 (en) | 2017-03-15 | 2019-09-10 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
US10343110B2 (en) | 2017-05-25 | 2019-07-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
US10561982B2 (en) | 2017-05-25 | 2020-02-18 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
US10471383B2 (en) | 2017-05-25 | 2019-11-12 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
US10399033B2 (en) | 2017-05-25 | 2019-09-03 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
US10406478B2 (en) | 2017-05-25 | 2019-09-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
US10413865B2 (en) | 2017-05-25 | 2019-09-17 | Jiangnan Enviromental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
US10583386B2 (en) | 2017-06-14 | 2020-03-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
US10589212B2 (en) | 2017-06-14 | 2020-03-17 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
US10556205B2 (en) | 2017-07-03 | 2020-02-11 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
US10618001B2 (en) | 2017-07-03 | 2020-04-14 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
US10427097B2 (en) | 2017-07-03 | 2019-10-01 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
US10421040B2 (en) | 2017-07-03 | 2019-09-24 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
US10561984B2 (en) | 2017-07-03 | 2020-02-18 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
US10357741B2 (en) | 2017-09-07 | 2019-07-23 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
US10449488B2 (en) | 2017-09-07 | 2019-10-22 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
US10369517B2 (en) | 2017-09-07 | 2019-08-06 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
CN107983125A (zh) * | 2018-01-05 | 2018-05-04 | 正和集团股份有限公司 | 一种硫磺烟气的深度洁净化处理系统以及工艺 |
US11027234B2 (en) | 2018-04-13 | 2021-06-08 | Jiangnan Environmental Protection Group Inc. | Oxidization of ammonia desulfurization solution |
CN108949268A (zh) * | 2018-07-20 | 2018-12-07 | 北京欧美中科学技术研究院 | 一种可节能降耗的脱硫吸收液 |
US10953365B2 (en) | 2018-07-20 | 2021-03-23 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
US11529584B2 (en) | 2018-07-20 | 2022-12-20 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
US11224838B2 (en) | 2019-12-26 | 2022-01-18 | Jiangnan Environmental Protection Group Inc. | Controlling aerosol production during absorption in ammonia-based desulfurization |
CN112495154A (zh) * | 2020-12-07 | 2021-03-16 | 昆岳互联环境技术(江苏)有限公司 | 一种新型硫回收尾气脱硫脱硝装置及方法 |
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Address after: No. 29 Suyuan Avenue, Jiangning District, Nanjing City, Jiangsu Province, 211102 Patentee after: JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECTION Co.,Ltd. Country or region after: China Address before: No. 1700 Shuanglong Avenue, Jiangning District, Nanjing City, Jiangsu Province, 211100 Patentee before: JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECTION Co.,Ltd. Country or region before: China |
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Address after: No. 29 Suyuan Avenue, Jiangning District, Nanjing City, Jiangsu Province, 211102 Patentee after: Jiangsu Jiangnan Ecological Carbon Technology (Group) Co.,Ltd. Country or region after: China Address before: No. 29 Suyuan Avenue, Jiangning District, Nanjing City, Jiangsu Province, 211102 Patentee before: JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECTION Co.,Ltd. Country or region before: China |