CN214210014U - 一种氨改尿素水解制氨脱硝工艺装置 - Google Patents
一种氨改尿素水解制氨脱硝工艺装置 Download PDFInfo
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- CN214210014U CN214210014U CN202023194383.0U CN202023194383U CN214210014U CN 214210014 U CN214210014 U CN 214210014U CN 202023194383 U CN202023194383 U CN 202023194383U CN 214210014 U CN214210014 U CN 214210014U
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- Prior art keywords
- urea
- ammonia
- hydrolysis reactor
- pump
- urea hydrolysis
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000004202 carbamide Substances 0.000 title claims abstract description 73
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 38
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 27
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000010790 dilution Methods 0.000 claims abstract description 12
- 239000012895 dilution Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 abstract description 4
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Application Number | Priority Date | Filing Date | Title |
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CN202023194383.0U CN214210014U (zh) | 2020-12-25 | 2020-12-25 | 一种氨改尿素水解制氨脱硝工艺装置 |
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CN202023194383.0U CN214210014U (zh) | 2020-12-25 | 2020-12-25 | 一种氨改尿素水解制氨脱硝工艺装置 |
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CN214210014U true CN214210014U (zh) | 2021-09-17 |
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CN202023194383.0U Active CN214210014U (zh) | 2020-12-25 | 2020-12-25 | 一种氨改尿素水解制氨脱硝工艺装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116002716A (zh) * | 2022-12-28 | 2023-04-25 | 华能沁北发电有限责任公司 | 一种用于火电厂尿素水热制氨的零废排放系统及其方法 |
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2020
- 2020-12-25 CN CN202023194383.0U patent/CN214210014U/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116002716A (zh) * | 2022-12-28 | 2023-04-25 | 华能沁北发电有限责任公司 | 一种用于火电厂尿素水热制氨的零废排放系统及其方法 |
CN116002716B (zh) * | 2022-12-28 | 2024-05-28 | 华能沁北发电有限责任公司 | 一种用于火电厂尿素水热制氨的零废排放系统及其方法 |
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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 | ||
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 denitration by hydrolysis from ammonia to urea Effective date of registration: 20221212 Granted publication date: 20210917 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 | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20240103 Granted publication date: 20210917 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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A process device for ammonia to urea hydrolysis to produce ammonia and denitrification Granted publication date: 20210917 Pledgee: Dalian Branch of Shanghai Pudong Development Bank Co.,Ltd. Pledgor: DALIAN BEST ENVIRONMENT EQUIPMENT Co.,Ltd. Registration number: Y2024980001872 |