CN109675433A - A kind of flue-gas denitration process - Google Patents
A kind of flue-gas denitration process Download PDFInfo
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- CN109675433A CN109675433A CN201910071522.3A CN201910071522A CN109675433A CN 109675433 A CN109675433 A CN 109675433A CN 201910071522 A CN201910071522 A CN 201910071522A CN 109675433 A CN109675433 A CN 109675433A
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- 239000003546 flue gas Substances 0.000 title claims abstract description 41
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims abstract description 15
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000007787 solid Substances 0.000 claims abstract description 18
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004202 carbamide Substances 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000000227 grinding Methods 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 239000003517 fume Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 235000004443 Ricinus communis Nutrition 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000002411 adverse Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 17
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000010531 catalytic reduction reaction Methods 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 description 13
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- -1 flue-gas Nitrogen oxides Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019788 craving Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910071522.3A CN109675433B (en) | 2019-01-25 | 2019-01-25 | Flue gas denitration process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910071522.3A CN109675433B (en) | 2019-01-25 | 2019-01-25 | Flue gas denitration process |
Publications (2)
Publication Number | Publication Date |
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CN109675433A true CN109675433A (en) | 2019-04-26 |
CN109675433B CN109675433B (en) | 2021-11-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910071522.3A Active CN109675433B (en) | 2019-01-25 | 2019-01-25 | Flue gas denitration process |
Country Status (1)
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CN (1) | CN109675433B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113893683A (en) * | 2021-08-17 | 2022-01-07 | 华能重庆珞璜发电有限责任公司 | Full-load denitration system of subcritical coal-fired boiler |
CN114452812A (en) * | 2021-12-28 | 2022-05-10 | 深圳华明环保科技有限公司 | Production process of solid-state denitration agent |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3853788A (en) * | 1973-02-06 | 1974-12-10 | American Cyanamid Co | Process for hydrotreating catalyst and product thereby |
US20050103710A1 (en) * | 2003-11-18 | 2005-05-19 | Sabottke Craig Y. | Dynamic membrane wafer assembly and method |
CN104587830A (en) * | 2015-01-09 | 2015-05-06 | 西安西热锅炉环保工程有限公司 | Urea solution intra-flue direct injection pyrolysis device and method with SCR (Selective Catalytic Reduction) system |
CN205914091U (en) * | 2016-08-16 | 2017-02-01 | 杭州凡腾科技股份有限公司 | Intermittent type feeding formula batching jar |
CN106731638A (en) * | 2017-02-24 | 2017-05-31 | 南通大学 | Processing method of the aluminium ash for factory smoke desulphurization denitration |
CN107550283A (en) * | 2016-06-30 | 2018-01-09 | 重庆新动生物技术有限公司 | One kind accelerates stirring curer |
CN108816367A (en) * | 2018-08-03 | 2018-11-16 | 霍邱新阳之光电子商务有限公司 | It is a kind of for grinding the grinder of graphite powder |
-
2019
- 2019-01-25 CN CN201910071522.3A patent/CN109675433B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3853788A (en) * | 1973-02-06 | 1974-12-10 | American Cyanamid Co | Process for hydrotreating catalyst and product thereby |
US20050103710A1 (en) * | 2003-11-18 | 2005-05-19 | Sabottke Craig Y. | Dynamic membrane wafer assembly and method |
CN104587830A (en) * | 2015-01-09 | 2015-05-06 | 西安西热锅炉环保工程有限公司 | Urea solution intra-flue direct injection pyrolysis device and method with SCR (Selective Catalytic Reduction) system |
CN107550283A (en) * | 2016-06-30 | 2018-01-09 | 重庆新动生物技术有限公司 | One kind accelerates stirring curer |
CN205914091U (en) * | 2016-08-16 | 2017-02-01 | 杭州凡腾科技股份有限公司 | Intermittent type feeding formula batching jar |
CN106731638A (en) * | 2017-02-24 | 2017-05-31 | 南通大学 | Processing method of the aluminium ash for factory smoke desulphurization denitration |
CN108816367A (en) * | 2018-08-03 | 2018-11-16 | 霍邱新阳之光电子商务有限公司 | It is a kind of for grinding the grinder of graphite powder |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113893683A (en) * | 2021-08-17 | 2022-01-07 | 华能重庆珞璜发电有限责任公司 | Full-load denitration system of subcritical coal-fired boiler |
CN113893683B (en) * | 2021-08-17 | 2023-10-20 | 华能重庆珞璜发电有限责任公司 | Subcritical coal-fired boiler full-load denitration system |
CN114452812A (en) * | 2021-12-28 | 2022-05-10 | 深圳华明环保科技有限公司 | Production process of solid-state denitration agent |
Also Published As
Publication number | Publication date |
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CN109675433B (en) | 2021-11-30 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20211110 Address after: 257300 Economic Development Zone, Guangrao County, Dongying City, Shandong Province Applicant after: SHANDONG DY NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: 315000 Ningbo Software Park, No. 750 Chuangyuan Road, high tech Zone, Ningbo, Zhejiang Applicant before: Bao Keke |
|
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 invention: A flue gas denitrification process Effective date of registration: 20230619 Granted publication date: 20211130 Pledgee: Shandong Guangrao Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG DY NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023980044381 |
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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 |
Granted publication date: 20211130 Pledgee: Shandong Guangrao Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG DY NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2023980044381 |