CN112897473B - 硫酸生产中一转一吸和二转二吸互相切换的转化工艺 - Google Patents
硫酸生产中一转一吸和二转二吸互相切换的转化工艺 Download PDFInfo
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- CN112897473B CN112897473B CN202110175933.4A CN202110175933A CN112897473B CN 112897473 B CN112897473 B CN 112897473B CN 202110175933 A CN202110175933 A CN 202110175933A CN 112897473 B CN112897473 B CN 112897473B
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- section
- heat exchanger
- gas
- catalyst layer
- sulfur dioxide
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 74
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 132
- 239000007789 gas Substances 0.000 claims abstract description 86
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003546 flue gas Substances 0.000 claims abstract description 15
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 96
- 239000003054 catalyst Substances 0.000 claims description 84
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000011084 recovery Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 235000011149 sulphuric acid Nutrition 0.000 claims description 2
- 239000001117 sulphuric acid Substances 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 22
- 239000011593 sulfur Substances 0.000 abstract description 20
- 229910052717 sulfur Inorganic materials 0.000 abstract description 20
- 239000006260 foam Substances 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 11
- 239000012141 concentrate Substances 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 3
- 239000010931 gold Substances 0.000 abstract description 3
- 229910052737 gold Inorganic materials 0.000 abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 3
- 239000011733 molybdenum Substances 0.000 abstract description 3
- 235000010269 sulphur dioxide Nutrition 0.000 description 50
- 239000007788 liquid Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 238000006477 desulfuration reaction Methods 0.000 description 8
- 230000023556 desulfurization Effects 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 238000004939 coking Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 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
- 238000012824 chemical production Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/80—Apparatus
- C01B17/806—Absorbers; Heat exchangers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/78—Preparation by contact processes characterised by the catalyst used
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/80—Apparatus
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110175933.4A CN112897473B (zh) | 2021-02-09 | 2021-02-09 | 硫酸生产中一转一吸和二转二吸互相切换的转化工艺 |
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CN202110175933.4A CN112897473B (zh) | 2021-02-09 | 2021-02-09 | 硫酸生产中一转一吸和二转二吸互相切换的转化工艺 |
Publications (2)
Publication Number | Publication Date |
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CN112897473A CN112897473A (zh) | 2021-06-04 |
CN112897473B true CN112897473B (zh) | 2022-10-25 |
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CN202110175933.4A Active CN112897473B (zh) | 2021-02-09 | 2021-02-09 | 硫酸生产中一转一吸和二转二吸互相切换的转化工艺 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115382374B (zh) * | 2022-09-08 | 2023-12-01 | 常州市永祥化工有限公司 | 一种二氧化硫多级循环高效转化系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE115516T1 (de) * | 1990-03-23 | 1994-12-15 | Monsanto Co | Rückgewinnung von energie aus einem schwefelsäureprozess. |
CN200995117Y (zh) * | 2006-12-22 | 2007-12-26 | 扬州庆松化工设备有限公司 | 低浓度二氧化硫烟气两转两吸制酸装置 |
CN202893174U (zh) * | 2012-11-02 | 2013-04-24 | 云浮市金泰化工有限公司 | 一种硫酸生产的尾气脱硫装置 |
WO2015191212A1 (en) * | 2014-06-09 | 2015-12-17 | Chemetics Inc. | Single contact, single absorption system for producing sulfuric acid with high conversion efficiency |
CN107673314B (zh) * | 2017-11-02 | 2020-06-16 | 湖北陆盛环保工程有限公司 | 一种低浓度so2烟气一转两吸硫酸制备方法 |
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- 2021-02-09 CN CN202110175933.4A patent/CN112897473B/zh active Active
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Effective date of registration: 20240403 Address after: Room 601, building 7, 323 Jianmin Road, Nanjing Chemical Industrial Park, Jiangsu 210000 Patentee after: Liu Qian Country or region after: China Patentee after: Liu Han Address before: Room 601, building 7, 323 Jianmin Road, Nanjing Chemical Industrial Park, Jiangsu 210000 Patentee before: Liu Qian Country or region before: China Patentee before: Nanjing Qiansheng Chemical Technology Co.,Ltd. |