JP2016094937A - ガスタービンシステムにおけるエミッション制御システム及びその方法 - Google Patents
ガスタービンシステムにおけるエミッション制御システム及びその方法 Download PDFInfo
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
-
- 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
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2241/00—Applications
- F23N2241/20—Gas turbines
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
12 エミッションコントローラ
14 ガスタービンエンジン
16 ボトミングサイクル
18 後処理システム
20 SCRシステム
22 圧縮機
24 燃焼器
26 タービン
28 燃料ノズル
38 排気ガス
48 SCR反応器
50 触媒
52 入口
56 噴射装置
58 アンモニアスリップ
60 排気ストリーム
62 ガスタービンコントローラ
64 後処理コントローラ
66 プロセッサ
76 SCR出口センサ
124 SCRモデル
130 GTモデル
152 オプティマイザ
154 多変数モデル
156 推定器
Claims (20)
- プロセッサ(66)を含むエミッション制御システム(12)を備えたシステム(10)であって、前記プロセッサが、
排気ストリーム(60)のための後処理システム(18)に含められる選択的触媒還元(SCR)システム(20)に対する1又はそれ以上のSCR作動条件を受け取り、
前記排気ストリームを前記後処理システム内に配向するよう構成されたガスタービンエンジン(14)のための1又はそれ以上のガスタービン作動条件を受け取り、
SCRモデル(124)及び前記1又はそれ以上のSCR作動条件に基づいて前記SCRシステムへのNH3流を導出し、
NO/NOx比を導出し、
前記NH3流、前記NO/NOx比又はこれらの組み合わせに基づいて前記ガスタービンエンジンに対する燃料スプリットを導出する、
ようにプログラムされている、システム。 - 前記プロセッサが、SCRマップ(128)を実行することにより前記NO/NOx比を導出するようプログラムされる、請求項1に記載のシステム。
- 前記プロセッサが、NH3スリップ設定点及び前記SCRモデルを入力として用いることによりNH3流を導出するようプログラムされる、請求項1に記載のシステム。
- 前記プロセッサが、NH3スリップ設定点及び測定されたNH3スリップを入力として用いることによりNH3流を導出するようプログラムされる、請求項1に記載のシステム。
- 前記プロセッサが、前記後処理システムの1又はそれ以上の測定出力に基づいて前記SCRモデルを更新するよう構成された推定器(156)システムを実行するようプログラムされている、請求項1に記載のシステム。
- 前記プロセッサが、前記SCRモデルの1又はそれ以上のパラメータを更新することにより前記SCRモデルを更新するようプログラムされている、請求項5に記載のシステム。
- 前記1又はそれ以上のパラメータが、前記SCRシステムにおいて使用される触媒(50)の特徴を含む、請求項6に記載のシステム。
- 前記排気ストリームを受け取り、該排気ストリームを機械的又は電気的出力に変換するよう構成されたボトミングサイクル(16)を備え、前記後処理システムが、該ボトミングサイクルに含まれる、請求項1に記載のシステム。
- 前記エミッション制御システムが、後処理コントローラ(64)及びガスタービンコントローラ(62)を含み、前記後処理コントローラが、1又はそれ以上の前記SCRシステム作動条件を受け取り、前記SCRへのNH3流を導出し、及び前記ガスタービンエンジンのための燃料スプリットを導出するよう構成されている、請求項1に記載のシステム。
- 排気ストリーム(60)のための後処理システム(18)に含められる選択的触媒還元(SCR)システム(20)に対する1又はそれ以上のSCRシステムの作動条件を受け取るステップと、
前記排気ストリームを前記後処理システム内に提供するよう構成されたガスタービンエンジン(14)のための1又はそれ以上のガスタービン作動条件を受け取るステップと、
SCRモデル(124)及び前記1又はそれ以上のSCR作動条件に基づいて前記SCRシステムへのNH3流を導出するステップと、
NO/NOx比を導出するステップと、
前記NH3流、前記NO/NOx比又はこれらの組み合わせに基づいて前記ガスタービンエンジンに対する燃料スプリットを導出ステップと、
を含む、方法。 - 前記NO/NOx比を導出するステップが、SCRマップ(128)を実行することにより前記NO/NOx比を導出するステップを含む、請求項10に記載の方法。
- 前記NH3流を導出するステップが、NH3スリップ設定点及び前記SCRモデルを入力として用いることによりNH3流を導出するステップを含む、請求項10に記載の方法。
- 前記NH3流を導出するステップが、NH3スリップ設定点及び測定されたNH3スリップを入力として用いることによりNH3流を導出するステップを含む、請求項10に記載の方法。
- 推定器(156)システムを実行して、前記後処理システムの1又はそれ以上の測定出力に基づいて前記SCRモデルを更新するステップを更に含む、請求項10に記載の方法。
- 前記推定器システムを実行して前記SCRモデルを更新するステップが、前記推定器システムを実行して前記SCRモデルの1又はそれ以上のパラメータを更新するステップを含む、請求項14に記載の方法。
- システム(10)であって、
燃料を燃焼して第1の出力を生成するよう構成されたガスタービンエンジン(14)と、
前記ガスタービンエンジンに流体結合され、前記ガスタービンエンジンの排気ストリーム(38)を受け取って第2の出力を生成するよう構成されたボトミングサイクル(16)と、
前記ボトミングサイクルに配置され、前記排気ストリームを受け取って該排気ストリームからNOxを除去するよう構成された選択的触媒還元(SCR)システム(20)と、
プロセッサ(66)を含むコントローラ(12)と、
を備え、前記プロセッサが、
1又はそれ以上のSCRシステム作動条件を受け取り、
1又はそれ以上のガスタービン作動条件を受け取り、
SCRモデル(124)及び前記1又はそれ以上のSCR作動条件に基づいて前記SCRシステムへのNH3流を導出し、
NO/NOx比を導出し、
前記NH3流、前記NO/NOx比又はこれらの組み合わせに基づいて前記ガスタービンエンジンに対する燃料スプリットを導出する、
ようにプログラムされている、システム。 - 前記プロセッサが、NH3スリップ設定点及び前記SCRモデルを入力として用いることによりNH3流を導出するようプログラムされる、請求項16に記載のシステム。
- 前記プロセッサが、NH3スリップ設定点及び測定されたNH3スリップを入力として用いることによりNH3流を導出するようプログラムされる、請求項16に記載のシステム。
- 前記プロセッサが、前記SCRシステムの1又はそれ以上の測定出力に基づいて前記SCRモデルを更新するよう構成された推定器(156)システムを実行するようプログラムされている、請求項16に記載のシステム。
- 前記コントローラが、処理コントローラ(64)及びガスタービンコントローラ(62)を含み、前記後処理コントローラが、1又はそれ以上の前記SCRシステム作動条件を受け取り、前記SCRシステムへのNH3流を導出するように構成され、前記ガスタービンコントローラが1又はそれ以上のガスタービン作動条件を受け取るように構成されており、前記後処理コントローラが更に、前記NO/NOx比を導出し、及び前記ガスタービンエンジンのための燃料スプリットを導出するよう構成されている、請求項16に記載のシステム。
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US20160115839A1 (en) | 2016-04-28 |
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