JP2013240784A - 流れ制御グリッド - Google Patents
流れ制御グリッド Download PDFInfo
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- JP2013240784A JP2013240784A JP2013107872A JP2013107872A JP2013240784A JP 2013240784 A JP2013240784 A JP 2013240784A JP 2013107872 A JP2013107872 A JP 2013107872A JP 2013107872 A JP2013107872 A JP 2013107872A JP 2013240784 A JP2013240784 A JP 2013240784A
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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
- B01D53/74—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
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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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- 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
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0093—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- 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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/10—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for stationary applications
-
- 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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0436—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being of the steerable jet type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/0409—Position sensing or feedback of the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/634—Electronic controllers using input signals representing a state of a valve
Abstract
【解決手段】流れ制御グリッド40であって、互いに接続された複数のチャネルアセンブリ51〜66を備え、複数のチャネルアセンブリのそれぞれは、流れ直線化セクション42および流れ変向セクションを形成しており、流れ変向セクション44は、円弧状セグメントと、第1の実質的に平坦なセグメントとを有し、第1の実質的に平坦なセグメントは、流れ直線化セクションに配置されており、円弧状セグメントは、流れ直線化セクションから外方へ延びている。
【選択図】図1
Description
Claims (19)
- 流れ制御グリッドであって、
互いに接続された複数のチャネルアセンブリを備え、
該複数のチャネルアセンブリのそれぞれは、流れ直線化セクションおよび流れ変向セクションを形成しており、
該流れ変向セクションは、円弧状セグメントと、第1の実質的に平坦なセグメントとを有し、
該第1の実質的に平坦なセグメントは、前記流れ直線化セクションに配置されており、
前記円弧状セグメントは、前記流れ直線化セクションから外方へ延びていることを特徴とする、流れ制御グリッド。 - 前記チャネルアセンブリは、段状の構成に配置されている、請求項1記載の流れ制御グリッド。
- 前記流れ直線化セクションは、複数の流れプレートを有し、該複数の流れプレートは、互いに実質的に平行に配置されており、かつ隣接する流れプレートの間に流路を形成するように互いから間隔を置かれている、請求項1記載の流れ制御グリッド。
- 前記流れ直線化セクションは、第1の高さを有し、前記流れプレートは、第1の幅だけ互いから間隔を置かれており、前記第1の高さを前記第1の幅で割ったものがアスペクト比を規定し、該アスペクト比は、約3〜約4.5の大きさを有する、請求項3記載の流れ制御グリッド。
- 前記流れ変向セクションは、前記円弧状セグメントから延びる第2の実質的に平坦なセクションを有する、請求項1記載の流れ制御グリッド。
- 流過する流体の方向の約90°の変更を行うように作用する、請求項1記載の流れ制御グリッド。
- 前記流れ制御グリッドは、該流れ制御グリッドの出口において実質的に均一な速度分布を提供するように働き、該実質的に均一な速度分布は、約0.85〜1.10の大部分の値を有する標準化された速度によって規定される、請求項1記載の流れ制御グリッド。
- 前記流れ制御グリッドの出口において実質的に均一な速度分布を提供するように働き、該実質的に均一な速度分布は、基準線の約±15°の範囲の方向を有する角速度によって規定される、請求項1記載の流れ制御グリッド。
- 流体速度を制御するための導管であって、
フードセクションと流体接続した入口ダクトと、
段状の構成でフードセクションにわたって延びる流れ制御グリッドと、
互いに接続された複数のチャネルアセンブリと、を備え、
該複数のチャネルアセンブリのそれぞれは、流れ直線化セクションと、流れ変向セクションとを有し、
該流れ変向セクションは、円弧状セグメントと、実質的に平坦なセグメントとを有し、
該実質的に平坦なセグメントは、前記流れ直線化セクションに配置されており、
前記円弧状セグメントは、前記流れ直線化セクションから外方へ延びていることを特徴とする、流体速度を制御するための導管。 - 前記流れ制御グリッドの上流に配置された少なくとも1つの流れ分配配列を備える、請求項9記載の流体速度を制御するための導管。
- 少なくとも1つの流れ分配配列は、前記導管を横切って延びる少なくとも1つの円筒状部材を含む、請求項9記載の流体速度を制御するための導管。
- 前記流れ制御グリッドは、基準線の約±15°の範囲の方向を有する角速度ベクトルによって規定される、出口における実質的に均一な速度分布を提供するように働く、請求項9記載の流体速度を制御するための導管。
- 前記流れ直線化セクションは、複数の流れプレートを有し、該複数の流れプレートは、互いに実質的に平行に配置されており、かつ隣接する流れプレートの間に流路を形成するように互いから離間させられている、請求項9記載の流体速度を制御するための導管。
- 前記流れ直線化セクションは、第1の高さを有し、前記流れプレートは、第1の幅だけ互いから離間させられており、前記第1の高さを前記第1の幅で割ったものが、第1の比を規定し、該第1の比は、約3〜約4.5の大きさを有する、請求項13記載の流体速度を制御するための導管。
- 前記流れ変向セクションは、前記円弧状セグメントから延びる第2の実質的に平坦なセクションを有する、請求項9記載の流体速度を制御するための導管。
- 選択的触媒還元反応器に配置されている、請求項9記載の流体速度を制御するための導管。
- 前記流れ制御グリッドは、該流れ制御グリッドの出口において実質的に均一な速度分布を提供するように働き、該実質的に均一な速度分布は、約0.85〜約1.1の大部分の値を有する標準化された速度によって規定される、請求項9記載の流体速度を制御するための導管。
- 前記流れ直線化セクションは、第1の高さを有し、前記流れプレートは、第1の幅だけ互いから離間させられており、前記第1の高さを前記第1の幅で割ったものが、アスペクト比を規定し、該アスペクト比は、約2〜約9の大きさを有する、請求項3記載の流れ制御グリッド。
- 前記流れ変向セクションは、第1の高さを有し、前記流れプレートは、第1の幅だけ互いから離間させられており、前記第1の高さを前記第1の幅で割ったものが、第1の比を規定し、該第1の比は、約2〜約9の大きさを有する、請求項13記載の流体速度を制御するための導管。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/477,158 | 2012-05-22 | ||
US13/477,158 US9409124B2 (en) | 2012-05-22 | 2012-05-22 | Flow control grid |
Publications (2)
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JP2013240784A true JP2013240784A (ja) | 2013-12-05 |
JP5904971B2 JP5904971B2 (ja) | 2016-04-20 |
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JP2013107872A Expired - Fee Related JP5904971B2 (ja) | 2012-05-22 | 2013-05-22 | 流れ制御グリッド |
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US (1) | US9409124B2 (ja) |
EP (1) | EP2666535B1 (ja) |
JP (1) | JP5904971B2 (ja) |
KR (1) | KR101555536B1 (ja) |
CN (1) | CN103418238B (ja) |
MY (1) | MY166356A (ja) |
TW (1) | TWI582354B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US9409124B2 (en) * | 2012-05-22 | 2016-08-09 | Alstom Technology Ltd | Flow control grid |
ES2897206T3 (es) * | 2017-09-06 | 2022-02-28 | Consorzio Coltech | Un dispositivo para reducir los contaminantes de una mezcla gaseosa |
US10724412B2 (en) | 2017-12-20 | 2020-07-28 | Cnh Industrial America Llc | Exhaust system for a work vehicle |
US10907821B2 (en) | 2019-03-07 | 2021-02-02 | General Electric Company | HRSG with stepped tube restraints |
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Also Published As
Publication number | Publication date |
---|---|
MY166356A (en) | 2018-06-25 |
CN103418238A (zh) | 2013-12-04 |
JP5904971B2 (ja) | 2016-04-20 |
CN103418238B (zh) | 2017-05-10 |
EP2666535A1 (en) | 2013-11-27 |
KR20130130642A (ko) | 2013-12-02 |
EP2666535B1 (en) | 2022-06-08 |
KR101555536B1 (ko) | 2015-10-06 |
TW201400767A (zh) | 2014-01-01 |
US9409124B2 (en) | 2016-08-09 |
TWI582354B (zh) | 2017-05-11 |
US20130312858A1 (en) | 2013-11-28 |
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