CN103588231A - 制备硫酸镁的方法 - Google Patents
制备硫酸镁的方法 Download PDFInfo
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- CN103588231A CN103588231A CN201310612323.1A CN201310612323A CN103588231A CN 103588231 A CN103588231 A CN 103588231A CN 201310612323 A CN201310612323 A CN 201310612323A CN 103588231 A CN103588231 A CN 103588231A
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- CN
- China
- Prior art keywords
- flue gas
- magnesium sulfate
- sal epsom
- oxygen
- desulfurization
- 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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Links
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 title claims abstract description 71
- 229910052943 magnesium sulfate Inorganic materials 0.000 title claims abstract description 36
- 235000019341 magnesium sulphate Nutrition 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 239000003546 flue gas Substances 0.000 claims abstract description 94
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000000034 method Methods 0.000 claims abstract description 64
- 239000001301 oxygen Substances 0.000 claims abstract description 64
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 64
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000001704 evaporation Methods 0.000 claims abstract description 30
- 230000008020 evaporation Effects 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000002425 crystallisation Methods 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000006477 desulfuration reaction Methods 0.000 claims description 50
- 239000002002 slurry Substances 0.000 claims description 47
- 230000023556 desulfurization Effects 0.000 claims description 45
- 239000013078 crystal Substances 0.000 claims description 22
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 21
- 239000000347 magnesium hydroxide Substances 0.000 claims description 21
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 239000012047 saturated solution Substances 0.000 claims description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 239000012452 mother liquor Substances 0.000 claims description 9
- 239000005864 Sulphur Substances 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 230000000153 supplemental effect Effects 0.000 claims description 6
- 239000002562 thickening agent Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 210000002966 serum Anatomy 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 238000004537 pulping Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000008025 crystallization Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 229960003390 magnesium sulfate Drugs 0.000 description 25
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 18
- 239000000047 product Substances 0.000 description 17
- 238000010521 absorption reaction Methods 0.000 description 15
- 239000000395 magnesium oxide Substances 0.000 description 14
- 238000007254 oxidation reaction Methods 0.000 description 11
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 7
- 239000003245 coal Substances 0.000 description 7
- 230000003009 desulfurizing effect Effects 0.000 description 7
- 238000005245 sintering Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- WRUGWIBCXHJTDG-UHFFFAOYSA-L magnesium sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Mg+2].[O-]S([O-])(=O)=O WRUGWIBCXHJTDG-UHFFFAOYSA-L 0.000 description 5
- 229940061634 magnesium sulfate heptahydrate Drugs 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 230000001131 transforming effect Effects 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000002594 sorbent Substances 0.000 description 2
- SMDQFHZIWNYSMR-UHFFFAOYSA-N sulfanylidenemagnesium Chemical compound S=[Mg] SMDQFHZIWNYSMR-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229940076230 magnesium sulfate monohydrate Drugs 0.000 description 1
- 229940091250 magnesium supplement Drugs 0.000 description 1
- LFCFXZHKDRJMNS-UHFFFAOYSA-L magnesium;sulfate;hydrate Chemical compound O.[Mg+2].[O-]S([O-])(=O)=O LFCFXZHKDRJMNS-UHFFFAOYSA-L 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
序号 | 项目 | 数量 | 单位 |
1 | 脱硫装置入口烟气量(工况) | 1590000 | m3/h |
2 | 标态烟气量 | 1104504 | Nm3/h |
3 | 脱硫装置入口温度 | 120 | ℃ |
4 | SO2入口浓度 | 2000 | mg/Nm3 |
5 | 脱硫效率 | 98 | %质量百分比 |
6 | 镁硫比 | 1.02 | |
7 | 氧化镁纯度 | 85 | %质量百分比 |
8 | 烟气含湿量 | 9 | %质量百分比 |
序号 | 项目 | 数量 | 单位 |
1 | 脱硫装置出口烟气量(工况) | 1374117 | m3/h |
2 | 排烟温度 | 50 | ℃ |
3 | SO2排放浓度 | <50 | mg/Nm3 |
4 | 硫酸镁产出量 | 4.3 | t/h |
5 | 硫酸镁品质 | >98 | %质量百分比 |
序号 | 项目 | 数量 | 单位 |
1 | 主含量(以MgSO4·7H2O计) | 98.0 | %质量百分比 |
2 | 铁(以Fe计)含量 | 0.005 | %质量百分比 |
3 | 氯化物(以CL计)含量 | 0.30 | %质量百分比 |
4 | 重金属含量 | 0.001 | %质量百分比 |
5 | 水不溶物含量 | 0.10 | %质量百分比 |
序号 | 项目 | 数量 | 单位 |
1 | 脱硫装置出口烟气量(工况) | 1384210 | m3/h |
2 | 排烟温度 | 50 | ℃ |
3 | SO2排放浓度 | <40 | mg/Nm3 |
4 | 硫酸镁产出量 | 4.5 | t/h |
5 | 硫酸镁品质 | >98 | %质量百分比 |
序号 | 项目 | 数量 | 单位 |
1 | 脱硫系统入口烟气量(工况) | 400000 | m3/h |
2 | 标态烟气量 | 277863 | Nm3/h |
3 | 脱硫系统入口温度 | 120 | ℃ |
4 | SO2入口浓度 | 3000 | mg/Nm3 |
5 | 镁硫比 | 1.02 |
6 | 氧化镁纯度 | 85 | %质量百分比 |
7 | 烟气含湿量 | 5.2 | %质量百分比 |
序号 | 项目 | 数量 | 单位 |
1 | 脱硫装置出口烟气量(工况) | 346085 | m3/h |
2 | 排烟温度 | 51 | ℃ |
3 | SO2排放浓度 | <100 | mg/Nm3 |
4 | 硫酸镁产出量 | 1.7 | t/h |
5 | 硫酸镁品质 | >98 | %质量百分比 |
序号 | 项目 | 数量 | 单位 |
1 | 脱硫装置出口烟气量(工况) | 1305411 | m3/h |
2 | 排烟温度 | 50 | ℃ |
3 | SO2排放浓度 | <50 | mg/Nm3 |
4 | 硫酸镁产出量 | 3.5 | t/h |
5 | 硫酸镁品质 | >98 | %质量百分比 |
序号 | 项目 | 数量 | 单位 |
1 | 脱硫装置出口烟气量(工况) | 328780 | m3/h |
2 | 排烟温度 | 52 | ℃ |
3 | SO2排放浓度 | <100 | mg/Nm3 |
4 | 硫酸镁产出量 | 1.1 | t/h |
5 | 硫酸镁品质 | >98 | %质量百分比 |
Claims (10)
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CN103588231A true CN103588231A (zh) | 2014-02-19 |
CN103588231B CN103588231B (zh) | 2016-02-10 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104843749A (zh) * | 2015-05-19 | 2015-08-19 | 金小弟 | 一种利用氧化镁脱硫废液、废渣制备胶凝材料原料的方法 |
CN105523573A (zh) * | 2016-01-21 | 2016-04-27 | 青海盐湖工业股份有限公司 | 一种七水硫酸镁及其制备方法 |
CN106731634A (zh) * | 2017-01-18 | 2017-05-31 | 北京金投清蓝环境科技有限公司 | 一种氧化镁脱硫联产七水硫酸镁系统 |
CN107140663A (zh) * | 2017-07-05 | 2017-09-08 | 青海盐湖工业股份有限公司 | 一种七水硫酸镁的制备工艺 |
WO2019001430A1 (zh) * | 2017-06-27 | 2019-01-03 | 河北纽思泰伦环保科技有限公司 | 镁法脱硫副产物精制七水硫酸镁工艺的处理系统及方法 |
CN110436490A (zh) * | 2019-08-06 | 2019-11-12 | 东北大学 | 一种利用镁法烟气脱硫产物亚硫酸镁一步法制备硫氧镁短纤维材料的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102631836A (zh) * | 2012-04-20 | 2012-08-15 | 深圳市粤华机电技术开发有限公司 | 氧化镁烟气脱硫回收七水硫酸镁新工艺 |
-
2013
- 2013-11-28 CN CN201310612323.1A patent/CN103588231B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102631836A (zh) * | 2012-04-20 | 2012-08-15 | 深圳市粤华机电技术开发有限公司 | 氧化镁烟气脱硫回收七水硫酸镁新工艺 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104843749A (zh) * | 2015-05-19 | 2015-08-19 | 金小弟 | 一种利用氧化镁脱硫废液、废渣制备胶凝材料原料的方法 |
CN105523573A (zh) * | 2016-01-21 | 2016-04-27 | 青海盐湖工业股份有限公司 | 一种七水硫酸镁及其制备方法 |
CN106731634A (zh) * | 2017-01-18 | 2017-05-31 | 北京金投清蓝环境科技有限公司 | 一种氧化镁脱硫联产七水硫酸镁系统 |
WO2019001430A1 (zh) * | 2017-06-27 | 2019-01-03 | 河北纽思泰伦环保科技有限公司 | 镁法脱硫副产物精制七水硫酸镁工艺的处理系统及方法 |
CN107140663A (zh) * | 2017-07-05 | 2017-09-08 | 青海盐湖工业股份有限公司 | 一种七水硫酸镁的制备工艺 |
CN110436490A (zh) * | 2019-08-06 | 2019-11-12 | 东北大学 | 一种利用镁法烟气脱硫产物亚硫酸镁一步法制备硫氧镁短纤维材料的方法 |
CN110436490B (zh) * | 2019-08-06 | 2020-10-30 | 东北大学 | 一种利用镁法烟气脱硫产物亚硫酸镁一步法制备硫氧镁短纤维材料的方法 |
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Address after: 30-2, building 100176, Beijing University of Technology Software Park, 1 North Sheng Bei Jie, Beijing economic and Technological Development Zone, Beijing, Daxing District Applicant after: Tong Shanghui Address before: 100022 software park, Beijing University of Technology, Yizhuang Development Zone, Beijing 30-2 Applicant before: Tong Shanghui |
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