CN116510501A - 一种喷氨混合器及烟气脱硝系统 - Google Patents
一种喷氨混合器及烟气脱硝系统 Download PDFInfo
- Publication number
- CN116510501A CN116510501A CN202111261158.0A CN202111261158A CN116510501A CN 116510501 A CN116510501 A CN 116510501A CN 202111261158 A CN202111261158 A CN 202111261158A CN 116510501 A CN116510501 A CN 116510501A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- pipe
- gas
- flue gas
- reducer
- 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.)
- Pending
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 592
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 247
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000003546 flue gas Substances 0.000 title claims abstract description 98
- 238000005507 spraying Methods 0.000 title claims abstract description 93
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 91
- 238000002156 mixing Methods 0.000 claims abstract description 76
- 230000000903 blocking effect Effects 0.000 claims abstract description 44
- 238000002347 injection Methods 0.000 claims description 78
- 239000007924 injection Substances 0.000 claims description 78
- 239000012895 dilution Substances 0.000 claims description 48
- 238000010790 dilution Methods 0.000 claims description 48
- 239000007789 gas Substances 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 21
- 239000003054 catalyst Substances 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- 238000004880 explosion Methods 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 19
- 239000002956 ash Substances 0.000 description 31
- 238000010438 heat treatment Methods 0.000 description 15
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 12
- 239000000428 dust Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000003068 static effect Effects 0.000 description 9
- 238000006477 desulfuration reaction Methods 0.000 description 7
- 230000023556 desulfurization Effects 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 7
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- PPBAJDRXASKAGH-UHFFFAOYSA-N azane;urea Chemical compound N.NC(N)=O PPBAJDRXASKAGH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01D53/8631—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
- B01D2251/2062—Ammonia
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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)
Abstract
Description
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111261158.0A CN116510501A (zh) | 2022-01-21 | 2022-01-21 | 一种喷氨混合器及烟气脱硝系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111261158.0A CN116510501A (zh) | 2022-01-21 | 2022-01-21 | 一种喷氨混合器及烟气脱硝系统 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN116510501A true CN116510501A (zh) | 2023-08-01 |
Family
ID=87392634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111261158.0A Pending CN116510501A (zh) | 2022-01-21 | 2022-01-21 | 一种喷氨混合器及烟气脱硝系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116510501A (zh) |
-
2022
- 2022-01-21 CN CN202111261158.0A patent/CN116510501A/zh active Pending
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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: 20240119 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Applicant after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant before: CHINA PETROLEUM & CHEMICAL Corp. Applicant before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |