CN104803535B - 一种从脱硫废水中回收盐的回收系统及回收工艺 - Google Patents
一种从脱硫废水中回收盐的回收系统及回收工艺 Download PDFInfo
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- 150000003839 salts Chemical class 0.000 title claims abstract description 51
- 239000002351 wastewater Substances 0.000 title claims abstract description 45
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 39
- 230000023556 desulfurization Effects 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 174
- 238000001704 evaporation Methods 0.000 claims abstract description 103
- 239000011780 sodium chloride Substances 0.000 claims abstract description 87
- 230000008020 evaporation Effects 0.000 claims abstract description 75
- 238000002425 crystallisation Methods 0.000 claims abstract description 58
- 230000008025 crystallization Effects 0.000 claims abstract description 57
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 40
- 239000007832 Na2SO4 Substances 0.000 claims abstract description 23
- 230000009977 dual effect Effects 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000746 purification Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 77
- 239000012266 salt solution Substances 0.000 claims description 51
- 239000012452 mother liquor Substances 0.000 claims description 35
- 238000010025 steaming Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 11
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 8
- 229910001385 heavy metal Inorganic materials 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 7
- 239000012267 brine Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 4
- 229910001424 calcium ion Inorganic materials 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 4
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 4
- 238000009834 vaporization Methods 0.000 claims description 4
- 230000008016 vaporization Effects 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 235000014171 carbonated beverage Nutrition 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 50
- 235000011152 sodium sulphate Nutrition 0.000 description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- IRWTZAIAVBBZPM-UHFFFAOYSA-L disodium hydrogen sulfate hydroxide hydrochloride Chemical compound S(=O)(=O)([O-])O.[Na+].Cl.[OH-].[Na+] IRWTZAIAVBBZPM-UHFFFAOYSA-L 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000011734 sodium Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- XIUMQSREFXCDGE-UHFFFAOYSA-L S(=O)(=O)([O-])O.[Na+].[Cl-].[Na+] Chemical compound S(=O)(=O)([O-])O.[Na+].[Cl-].[Na+] XIUMQSREFXCDGE-UHFFFAOYSA-L 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000370738 Chlorion Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- -1 pH value Substances 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Description
成分 | kg/h | g/l | % |
CaSO4 | 36.2 | 3.02 | 0.30 |
NaNO3 | 6.4 | 0.53 | 0.05 |
Na2SO4 | 23.7 | 1.98 | 0.19 |
MgCl2 | 166.2 | 13.85 | 1.36 |
重金属 | 0.0201 | 0.0017 | 0.00 |
NaCl | 15.1 | 1.25 | 0.12 |
H2O | 11932.4 | 994.37 | 97.97 |
M | 12180 | ||
ρ | 1015 | kg/m3 | |
Q | 12.0 | m/h |
进料 | kg/h | g/l | % |
CaSO4 | 0.0 | 0.00 | 0.00 |
CaCl2 | 0.0 | 0.00 | 0.00 |
Na2SO4 | 317.3 | 21.88 | 1.99 |
Na2CO3 | 4.35 | 0.30 | 0.03 |
NaOH | 1.45 | 0.10 | 0.01 |
NaNO3 | 0.0 | 0.00 | 0.00 |
重金属 | 0.0 | 0.00 | 0.00 |
NaCl | 2900.0 | 200.00 | 18.19 |
H2O | 12720.1 | 877.25 | 79.78 |
M | 15943.1551 | 1099.53 | 100.00 |
ρ | 1099.52794 | kg/m3 | |
Q | 14.5 | m/h | |
温度 | 25 | ℃ |
成分 | kg/h | g/l | % |
Na2SO4 | 317.3 | 40.01 | 3.33 |
Na2CO3 | 4.35 | 0.55 | 0.05 |
NaOH | 1.45 | 0.18 | 0.02 |
NaCl | 2490.3 | 314.05 | 26.17 |
H2O | 6701.9 | 845.20 | 70.43 |
成分 | kg/h | % |
Na2SO4 | 0.227 | 0.100076 |
Na2CO3 | 0.003 | 0.001372 |
NaOH | 0.001 | 0.000457 |
NaCl | 221.529 | 97.78399 |
H2O | 4.8 | 2.114101 |
成分 | kg/h | % |
Na2SO4 | 0.227 | 0.102135 |
Na2CO3 | 0.003 | 0.0014 |
NaOH | 0.001 | 0.000467 |
NaCl | 221.529 | 99.79599 |
H2O | 0.222 | 0.100008 |
M | 222.0 | 100 |
Claims (5)
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CN105254104B (zh) * | 2015-11-06 | 2017-09-19 | 江苏京源环保股份有限公司 | 一种低运行成本的电厂脱硫废水零排放处理工艺 |
CN106395949B (zh) * | 2016-11-30 | 2023-02-21 | 江苏迈安德节能蒸发设备有限公司 | 一种硫酸钠废水的处理系统 |
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NL2020788B1 (en) * | 2017-04-21 | 2019-06-26 | China Petroleum & Chem Corp | Apparatus and Method for Treating Waste Water Containing Ammonium Salts |
CN107381598B (zh) * | 2017-06-09 | 2023-08-08 | 石家庄新奥环保科技有限公司 | 一种回收装置及方法 |
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SU929580A1 (ru) * | 1980-02-25 | 1982-05-23 | Московский Ордена Ленина Энергетический Институт | Способ регенерации N @ -катионитных фильтров |
CN101456635B (zh) * | 2008-12-17 | 2011-04-27 | 深圳市能源环保有限公司 | 一种电厂废水处理方法及系统 |
CN102060408B (zh) * | 2010-12-07 | 2012-06-06 | 华电水处理技术工程有限公司 | 一种废水蒸干工艺及装置系统 |
CN102992555A (zh) * | 2013-01-17 | 2013-03-27 | 黑龙江鑫达晟机械科技有限公司 | 利用机械压缩蒸发结晶器系统进行废水处理的方法 |
CN103708666A (zh) * | 2013-12-19 | 2014-04-09 | 武汉尚远环保股份有限公司 | 脱硫废水回用与零排放处理方法及设备 |
CN103936220A (zh) * | 2014-05-06 | 2014-07-23 | 田晓良 | 一种炼化含盐污水零排放处理工艺 |
CN104529038B (zh) * | 2014-12-26 | 2015-12-02 | 佛山市德嘉电力环保科技开发有限公司 | 燃煤电厂湿法脱硫废水的防结垢蒸发结晶处理工艺及系统 |
CN104478152B (zh) * | 2014-12-29 | 2016-04-27 | 丹东东方机电工程有限公司 | 脱硫系统含钠盐废水处理装置 |
CN204588909U (zh) * | 2015-05-06 | 2015-08-26 | 广州新普利节能环保科技有限公司 | 一种从脱硫废水中回收盐的回收系统 |
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Inventor after: Huang Yingying Inventor after: Zhang Guanglin Inventor after: Mo Xinlai Inventor after: Tan Zibin Inventor before: Zhang Guanglin Inventor before: Mo Xinlai Inventor before: Huang Yingying Inventor before: Tan Zibin |
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Denomination of invention: Recycling system and recycling process for recycling salt from desulfurization waste water Effective date of registration: 20181228 Granted publication date: 20170315 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU SINPURELY ENERGY CONSERVATION & ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: 2018440000409 |
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Granted publication date: 20170315 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU SINPURELY ENERGY CONSERVATION & ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: 2018440000409 |