CN214141606U - Urea catalytic hydrolysis ammonia preparation denitration process units - Google Patents
Urea catalytic hydrolysis ammonia preparation denitration process units Download PDFInfo
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- CN214141606U CN214141606U CN202023225884.0U CN202023225884U CN214141606U CN 214141606 U CN214141606 U CN 214141606U CN 202023225884 U CN202023225884 U CN 202023225884U CN 214141606 U CN214141606 U CN 214141606U
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- Prior art keywords
- urea
- catalytic hydrolysis
- hydrolysis reactor
- evaporation
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000004202 carbamide Substances 0.000 title claims abstract description 90
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 44
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 43
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 34
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000001704 evaporation Methods 0.000 claims abstract description 20
- 230000008020 evaporation Effects 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 8
- 238000004090 dissolution Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 4
- 230000002265 prevention Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000011949 solid catalyst Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
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CN202023225884.0U CN214141606U (en) | 2020-12-28 | 2020-12-28 | Urea catalytic hydrolysis ammonia preparation denitration process units |
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CN202023225884.0U CN214141606U (en) | 2020-12-28 | 2020-12-28 | Urea catalytic hydrolysis ammonia preparation denitration process units |
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CN214141606U true CN214141606U (en) | 2021-09-07 |
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CN202023225884.0U Active CN214141606U (en) | 2020-12-28 | 2020-12-28 | Urea catalytic hydrolysis ammonia preparation denitration process units |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114505044A (en) * | 2022-02-23 | 2022-05-17 | 西安热工研究院有限公司 | Filling type urea catalytic hydrolysis system and method |
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2020
- 2020-12-28 CN CN202023225884.0U patent/CN214141606U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114505044A (en) * | 2022-02-23 | 2022-05-17 | 西安热工研究院有限公司 | Filling type urea catalytic hydrolysis system and method |
CN114505044B (en) * | 2022-02-23 | 2023-10-20 | 西安热工研究院有限公司 | Filling urea catalytic hydrolysis system and method |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A process unit for ammonia production and denitrification by catalytic hydrolysis of urea Effective date of registration: 20221212 Granted publication date: 20210907 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN BEST ENVIRONMENT EQUIPMENT Co.,Ltd. Registration number: Y2022980026415 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20240103 Granted publication date: 20210907 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN BEST ENVIRONMENT EQUIPMENT Co.,Ltd. Registration number: Y2022980026415 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A process device for catalytic hydrolysis of urea to produce ammonia and denitrification Granted publication date: 20210907 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN BEST ENVIRONMENT EQUIPMENT Co.,Ltd. Registration number: Y2024980001872 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |