JP5575701B2 - 脱硝装置及び脱硝方法 - Google Patents
脱硝装置及び脱硝方法 Download PDFInfo
- Publication number
- JP5575701B2 JP5575701B2 JP2011111472A JP2011111472A JP5575701B2 JP 5575701 B2 JP5575701 B2 JP 5575701B2 JP 2011111472 A JP2011111472 A JP 2011111472A JP 2011111472 A JP2011111472 A JP 2011111472A JP 5575701 B2 JP5575701 B2 JP 5575701B2
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- Prior art keywords
- denitration
- catalyst
- correlation
- catalytic
- nox concentration
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- 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
-
- 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
- B01D53/75—Multi-step processes
-
- 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
-
- 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
- B01D53/8696—Controlling the catalytic process
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2219/00—Treatment devices
- F23J2219/10—Catalytic reduction devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2219/00—Treatment devices
- F23J2219/20—Non-catalytic reduction devices
Description
Claims (3)
- 燃焼炉で発生するNOxを含有した排ガスに、還元剤を注入して無触媒脱硝を行う無触媒脱硝手段と、前記無触媒脱硝を行った排ガスに還元剤を注入し、脱硝触媒を用いて有触媒脱硝を行う有触媒脱硝手段とを備える脱硝装置であって、
前記燃焼炉の負荷と前記無触媒脱硝手段で注入する還元剤の注入量との相関関係である第1相関関係を予め記憶し、前記第1相関関係に基づいて前記無触媒脱硝手段で注入する還元剤の注入量を制御し、且つ、前記燃焼炉の負荷と前記脱硝触媒の入口側におけるNOxの濃度である入口NOx濃度との相関関係である第2相関関係を予め記憶し、前記第2相関関係に基づいて入口NOx濃度を予測し、当該入口NOx濃度に基づいて前記有触媒脱硝手段で注入する還元剤の注入量を制御する制御手段と、
前記脱硝触媒の劣化を検知する触媒劣化検知手段と、を備え、
前記制御手段は、前記触媒劣化検知手段により前記脱硝触媒が劣化したと検知した場合に、前記脱硝触媒の劣化に応じて前記第1相関関係及び前記第2相関関係を書き換えることが可能であること、
を特徴とする脱硝装置。 - 前記制御手段は、前記燃焼炉で燃焼する燃料の種類に応じて、前記第1相関関係及び前記第2相関関係を複数記憶することが可能であることを特徴とする請求項1に記載の脱硝装置。
- 燃焼炉で発生するNOxを含有した排ガスに、還元剤を注入して無触媒脱硝を行い、前記無触媒脱硝を行った排ガスに還元剤を注入し、脱硝触媒を用いて有触媒脱硝を行う脱硝方法であって、
前記燃焼炉の負荷と前記無触媒脱硝で注入する還元剤の注入量との相関関係である第1相関関係を予め記憶し、前記第1相関関係に基づいて前記無触媒脱硝で注入する還元剤の注入量を制御し、且つ、前記燃焼炉の負荷と前記脱硝触媒の入口側におけるNOxの濃度である入口NOx濃度との相関関係である第2相関関係を予め記憶し、前記第2相関関係に基づいて入口NOx濃度を予測し、当該入口NOx濃度に基づいて前記有触媒脱硝で注入する還元剤の注入量を制御し、
前記脱硝触媒が劣化したと検知した場合に、前記脱硝触媒の劣化に応じて前記第1相関関係及び前記第2相関関係を書き換えること、
を特徴とする脱硝方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011111472A JP5575701B2 (ja) | 2011-05-18 | 2011-05-18 | 脱硝装置及び脱硝方法 |
PCT/JP2012/060986 WO2012157413A1 (ja) | 2011-05-18 | 2012-04-24 | 脱硝装置及び脱硝方法 |
MYPI2013004146A MY165561A (en) | 2011-05-18 | 2012-04-24 | Denitrator and denitration method |
KR1020137027020A KR101470784B1 (ko) | 2011-05-18 | 2012-04-24 | 탈초장치 및 탈초방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011111472A JP5575701B2 (ja) | 2011-05-18 | 2011-05-18 | 脱硝装置及び脱硝方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012239970A JP2012239970A (ja) | 2012-12-10 |
JP2012239970A5 JP2012239970A5 (ja) | 2014-03-06 |
JP5575701B2 true JP5575701B2 (ja) | 2014-08-20 |
Family
ID=47176749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011111472A Active JP5575701B2 (ja) | 2011-05-18 | 2011-05-18 | 脱硝装置及び脱硝方法 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5575701B2 (ja) |
KR (1) | KR101470784B1 (ja) |
MY (1) | MY165561A (ja) |
WO (1) | WO2012157413A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111514726B (zh) * | 2019-02-02 | 2024-01-26 | 广东万引科技发展有限公司 | 一种新型干法水泥窑用复合生物质脱硝剂、其使用方法以及脱硝系统 |
CN111636934B (zh) * | 2020-05-24 | 2021-03-16 | 西安交通大学 | 一种高效清洁高变负荷速率燃煤发电系统及运行方法 |
CN112651166B (zh) * | 2020-11-24 | 2023-03-28 | 呼和浩特科林热电有限责任公司 | 脱硝系统入口氮氧化物浓度预测方法、装置及脱硝系统 |
CN114558434A (zh) * | 2022-03-04 | 2022-05-31 | 广东瑞星环境科技有限公司 | 一种针对生物质锅炉烟气超净排放协同处理的方法及设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05103951A (ja) * | 1991-10-14 | 1993-04-27 | Ebara Corp | 排ガス脱硝方法及びその装置 |
JPH1119469A (ja) * | 1997-06-30 | 1999-01-26 | Babcock Hitachi Kk | 脱硝反応器のアンモニア注入制御装置 |
JP3831804B2 (ja) * | 1998-02-24 | 2006-10-11 | 中国電力株式会社 | 排ガスの脱硝装置 |
JP2000237536A (ja) * | 1998-12-21 | 2000-09-05 | Nkk Corp | 焼却炉の排ガス脱硝装置 |
CA2489372C (en) * | 2002-06-14 | 2008-10-07 | The Chugoku Electric Power Co., Inc. | Nox removal catalyst management unit for nox removal apparatus and method for managing nox removal catalyst |
-
2011
- 2011-05-18 JP JP2011111472A patent/JP5575701B2/ja active Active
-
2012
- 2012-04-24 WO PCT/JP2012/060986 patent/WO2012157413A1/ja active Application Filing
- 2012-04-24 KR KR1020137027020A patent/KR101470784B1/ko active IP Right Grant
- 2012-04-24 MY MYPI2013004146A patent/MY165561A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP2012239970A (ja) | 2012-12-10 |
WO2012157413A1 (ja) | 2012-11-22 |
KR20130133291A (ko) | 2013-12-06 |
KR101470784B1 (ko) | 2014-12-08 |
MY165561A (en) | 2018-04-05 |
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