JP5743054B2 - 排ガス処理装置 - Google Patents
排ガス処理装置 Download PDFInfo
- Publication number
- JP5743054B2 JP5743054B2 JP2010265144A JP2010265144A JP5743054B2 JP 5743054 B2 JP5743054 B2 JP 5743054B2 JP 2010265144 A JP2010265144 A JP 2010265144A JP 2010265144 A JP2010265144 A JP 2010265144A JP 5743054 B2 JP5743054 B2 JP 5743054B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- catalyst layer
- dust
- thin plate
- duct
- 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.)
- Expired - Fee Related
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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
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- 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
- B01D53/86—Catalytic processes
- B01D53/90—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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
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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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/20—Intercepting solids by baffles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
(2)前記触媒層の開口幅が3〜10mm、前記傾斜薄板スリットの高さが30〜100mm、および前記傾斜角度が水平方向に対して5〜45度の範囲である(1)に記載の装置。
図1は、本発明の一実施例を示す排ガス処理装置の説明図、図2は、本発明に用いる傾斜薄板スリットの部分模式図である。この装置は、ボイラなどから排出される燃焼排ガス1中の窒素酸化物を除去する触媒層3を有する脱硝反応器2を備え、該脱硝反応器2の上流側には、該排ガスの流れが水平方向から垂直方向へ変化する立ち上がり部9を有するダクトを有し、該立ち上がり部9入口の前記水平方向のダクト9内および前記脱硝反応器2内の前記触媒層3入口には、細長い菱形形状を有する薄板14を前記触媒層の開口幅よりも小さいスリット幅で垂直方向に、かつ排ガス流路断面に所定の傾斜角度で多数配列させた傾斜薄板スリット13と、該傾斜薄板スリット13の下端に取り付けられたダスト捕集排出部とが設けられている。なお、図中、4は節炭器5出口の水平ダクトに設けられたホッパー、7は脱硝反応器入口に設けられたスクリーンプレートを示す。
2. 脱硝反応器
3. 触媒層
4. ホッパー
7. スクリーンプレート
9. ダクト
11. ホッパー
13. 傾斜薄板スリット
14. 傾斜薄板
Claims (2)
- 燃焼排ガス中の窒素酸化物を除去する触媒層を有する脱硝反応器を備えた排ガス脱硝装置であって、上記脱硝反応器の上流側における排ガスダクトを該排ガスの流れが水平方向から垂直方向へ変化する立ち上がり部を有するダクト構造を有し、該立ち上がり部入口の前記水平方向のダクト内または/および前記脱硝反応器内の前記触媒層入口に、複数の薄板を、前記触媒層の開口幅よりも小さいスリット幅で垂直方向に、かつ排ガス流路断面に所定の傾斜角度で多数配列させた傾斜薄板スリットと、該傾斜薄板スリットの下端に取り付けられたダスト捕集排出部とを備えたことを特徴とする排ガス脱硝装置。
- 前記触媒層の開口幅が3〜10mm、前記傾斜薄板スリットの高さが30〜100mm、および前記傾斜角度が水平方向に対して5〜45度の範囲である請求項1に記載の装置。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010265144A JP5743054B2 (ja) | 2010-11-29 | 2010-11-29 | 排ガス処理装置 |
US13/990,057 US9283520B2 (en) | 2010-11-29 | 2011-11-28 | Exhaust gas treatment apparatus |
EP11844567.5A EP2647418B1 (en) | 2010-11-29 | 2011-11-28 | Exhaust gas treatment apparatus |
PCT/JP2011/077338 WO2012073873A1 (ja) | 2010-11-29 | 2011-11-28 | 排ガス処理装置 |
PL11844567T PL2647418T3 (pl) | 2010-11-29 | 2011-11-28 | Urządzenie do oczyszczania gazów odlotowych |
ES11844567.5T ES2563093T3 (es) | 2010-11-29 | 2011-11-28 | Aparato de tratamiento de gases de escape |
KR1020137016502A KR20130133220A (ko) | 2010-11-29 | 2011-11-28 | 배기 가스 처리 장치 |
CN2011800639522A CN103282104A (zh) | 2010-11-29 | 2011-11-28 | 排气处理装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010265144A JP5743054B2 (ja) | 2010-11-29 | 2010-11-29 | 排ガス処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012115719A JP2012115719A (ja) | 2012-06-21 |
JP5743054B2 true JP5743054B2 (ja) | 2015-07-01 |
Family
ID=46171805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010265144A Expired - Fee Related JP5743054B2 (ja) | 2010-11-29 | 2010-11-29 | 排ガス処理装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9283520B2 (ja) |
EP (1) | EP2647418B1 (ja) |
JP (1) | JP5743054B2 (ja) |
KR (1) | KR20130133220A (ja) |
CN (1) | CN103282104A (ja) |
ES (1) | ES2563093T3 (ja) |
PL (1) | PL2647418T3 (ja) |
WO (1) | WO2012073873A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6005015B2 (ja) * | 2013-09-04 | 2016-10-12 | 三菱日立パワーシステムズ株式会社 | ダクト壁面構造 |
JP6206197B2 (ja) * | 2014-01-15 | 2017-10-04 | 新日鐵住金株式会社 | 石炭灰処理装置 |
KR101659403B1 (ko) * | 2015-01-15 | 2016-09-23 | 두산중공업 주식회사 | 연소시스템의 분진집적 방지용 덕트 구조 |
JP6560007B2 (ja) * | 2015-04-08 | 2019-08-14 | 三菱日立パワーシステムズ株式会社 | 排ガス処理装置 |
US10634029B2 (en) * | 2016-08-23 | 2020-04-28 | General Electric Technology Gmbh | Mobile selective catalyst reduction system |
JP2019147142A (ja) * | 2018-02-28 | 2019-09-05 | 三菱日立パワーシステムズ株式会社 | 排ガス処理装置 |
JP7356367B2 (ja) * | 2020-02-06 | 2023-10-04 | 三菱重工業株式会社 | 灰堆積防止機能付き触媒反応器 |
CN113731039B (zh) * | 2021-09-14 | 2022-05-20 | 大唐环境产业集团股份有限公司 | 一种scr脱硝系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5799724U (ja) * | 1980-12-05 | 1982-06-19 | ||
JPS63201626U (ja) * | 1987-06-19 | 1988-12-26 | ||
JPS6428936A (en) | 1987-07-24 | 1989-01-31 | Kansai Nippon Electric | Manufacture of semiconductor device |
JPH0451849Y2 (ja) * | 1987-08-12 | 1992-12-07 | ||
JP2724176B2 (ja) * | 1988-09-30 | 1998-03-09 | バブコツク日立株式会社 | 排ガス脱硝装置 |
JP3362212B2 (ja) * | 1995-04-21 | 2003-01-07 | 日立造船株式会社 | 触媒脱硝装置 |
WO2003002912A1 (en) * | 2001-06-29 | 2003-01-09 | Seghers Keppel Technology Group Nv | Flue gas purification device for an incinerator |
JP4523745B2 (ja) * | 2001-11-29 | 2010-08-11 | 三菱重工業株式会社 | 浄化装置 |
SE527104C2 (sv) | 2004-05-21 | 2005-12-20 | Alstom Technology Ltd | Sätt och anordning för avskiljning av stoftpartiklar |
JP5141199B2 (ja) * | 2007-11-15 | 2013-02-13 | 株式会社Ihi | 排煙脱硝装置 |
CN201643886U (zh) * | 2010-04-23 | 2010-11-24 | 重庆大学 | 一种烟气脱硝前置预除尘装置 |
-
2010
- 2010-11-29 JP JP2010265144A patent/JP5743054B2/ja not_active Expired - Fee Related
-
2011
- 2011-11-28 EP EP11844567.5A patent/EP2647418B1/en not_active Not-in-force
- 2011-11-28 WO PCT/JP2011/077338 patent/WO2012073873A1/ja active Application Filing
- 2011-11-28 US US13/990,057 patent/US9283520B2/en not_active Expired - Fee Related
- 2011-11-28 ES ES11844567.5T patent/ES2563093T3/es active Active
- 2011-11-28 PL PL11844567T patent/PL2647418T3/pl unknown
- 2011-11-28 KR KR1020137016502A patent/KR20130133220A/ko not_active Application Discontinuation
- 2011-11-28 CN CN2011800639522A patent/CN103282104A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP2647418A4 (en) | 2014-09-17 |
US9283520B2 (en) | 2016-03-15 |
EP2647418A1 (en) | 2013-10-09 |
KR20130133220A (ko) | 2013-12-06 |
CN103282104A (zh) | 2013-09-04 |
WO2012073873A1 (ja) | 2012-06-07 |
PL2647418T3 (pl) | 2016-07-29 |
EP2647418B1 (en) | 2016-02-10 |
JP2012115719A (ja) | 2012-06-21 |
US20130287639A1 (en) | 2013-10-31 |
ES2563093T3 (es) | 2016-03-10 |
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