JPS60206909A - Exhaust heat recovery gas turbine power generating facility - Google Patents
Exhaust heat recovery gas turbine power generating facilityInfo
- Publication number
- JPS60206909A JPS60206909A JP6472984A JP6472984A JPS60206909A JP S60206909 A JPS60206909 A JP S60206909A JP 6472984 A JP6472984 A JP 6472984A JP 6472984 A JP6472984 A JP 6472984A JP S60206909 A JPS60206909 A JP S60206909A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- boiler
- damper
- gas turbine
- bypass
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
- F01K23/103—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle with afterburner in exhaust boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
- F22B35/007—Control systems for waste heat boilers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は排熱回収ガスタービン発電設備に関し、特にガ
スタービンの排ガスが有するエネルギーの有効利用を図
ったものに関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to exhaust heat recovery gas turbine power generation equipment, and particularly to equipment that aims to effectively utilize the energy contained in the exhaust gas of a gas turbine.
従来例の構成とその問題点
ガスタービンの排ガスは通常の火焚きボイラーの燃焼ガ
スに比べて温度が低く、風−が多いため、排ガス熱エネ
ルギーの回収は通常の火焚きボイラーではできない。こ
のガスタービンの排熱回収は通常は専用の排ガスエコノ
マイザなどのツシトガスボイラーを用いて行なわれるが
、排ガスエネルギーはガスタービンの出力に依存してお
り、排ガスボイラーに対する蒸気需賛変化には追随する
ことはできない。Conventional Structure and Problems The exhaust gas of a gas turbine has a lower temperature than the combustion gas of a normal fire-fired boiler and has more wind, so it is not possible to recover exhaust gas thermal energy with a normal fire-fired boiler. This gas turbine exhaust heat recovery is normally performed using a gas boiler such as a dedicated exhaust gas economizer, but the exhaust gas energy depends on the output of the gas turbine, and it follows changes in steam demand for the exhaust gas boiler. It is not possible.
発明の目的
本発明はガスタービンよシ排出される排ガスの熱回収を
通常のボイラー内に導入して行なうようにした排熱回収
ガスタービン発電設備を提供することを目的とするもの
である。OBJECTS OF THE INVENTION An object of the present invention is to provide an exhaust heat recovery gas turbine power generation facility in which heat recovery of exhaust gas discharged from a gas turbine is carried out by introducing the heat into an ordinary boiler.
発明の構成
本発明は、ガスタービンの排ガス経路を２つに分岐して
、一方に排ガスダンパーを介して追い焚きバーナを設置
するとともに、他方にプロセス蒸気量または蒸気圧力に
よって制御されるバイパスダンパーを接続し、前記追い
焚きバーナの下流側に押込みファンを含む付属設備をも
った通常の火焚きボイラーを設置し、該火焚きボイラー
の排ガス経路中に給水加熱器を介装し、前記火焚きボイ
ラーへの給水を前記給水加熱器を通して行なう経路とｉ
Ｍ接に行なう経路とに切換えるパルプを設け、前記バイ
パスダンパーを前記給水加熱器の上流仙で前記火焚きボ
イラーの排ガス経路に接続し、前記押込みファンから火
焚きボイラーへの燃焼用空気の供給経路中にダンパーを
介装したものであシ、ガスタービン発電設備と通常の火
焚きボイラー設備のどちらか一方の運転もしくは並列運
転か可能となり、多様性を有する熱併給ガスタービン発
電プラントが得られる。Structure of the Invention The present invention branches the exhaust gas path of a gas turbine into two, and installs a reheating burner on one side via an exhaust gas damper, and a bypass damper controlled by the process steam amount or steam pressure on the other side. A normal fire-fired boiler with attached equipment including a forced fan is installed downstream of the reheating burner, a feed water heater is interposed in the exhaust gas path of the fire-fired boiler, and the fire-fired boiler is connected to the reheating burner. a route for supplying water to through the feed water heater;
The bypass damper is connected to the exhaust gas path of the fire-fired boiler at an upstream side of the feed water heater, and the combustion air supply path from the forced fan to the fire-fired boiler is provided. By inserting a damper therein, it is possible to operate either the gas turbine power generation equipment or the ordinary fire-fired boiler equipment, or to operate them in parallel, thereby providing a versatile cogeneration gas turbine power generation plant.
実施例と作用
以下本発明の一実施例を図面に基づいて鍔！、ｌ明する
。図面において、（１）はガスタービンで、燃焼器（２
）からの燃焼ガスによりＭｍされ、燃焼器（２）へ圧縮
空気を供給する空気圧縮機（３）および発電機（４）を
回転駆動する。（５）は通常の火焚きボイラーで、この
火焚キボイラー（５）とガスタービン（１）の間にガス
タービン（１）の排ガスを再燃するための追い焚きバー
ナ（６）が設置されている。（７）は追い焚き燃料制御
装置で、ガスタービン（１）の排ガス流量を検知して追
い焚きバーナ（６）への燃料供給量を制御する。（８）
は火焚きボイラー（５１１Ｃ燃焼用空気を供給する押込
みファンで、該燃焼用空気は空気予熱器（９）で火焚き
ボイラー（５）からの排ガスと熱交換された後、火焚き
ボイラー（５）に供給される。ＱＯはＱ２気予熱器（９
）からの排ガスの排出経路中に介装された給水力ロ熱器
で、給水タンク（ロ）から火焚きボイラー（５）への供
給水を加熱する６ｔ１２１は給水バルブ、０３）は給水
バイパスバルブで、給水タンク（１１）からの供給水を
給水加熱器（１０を通して火抜きボイラー（５）に供給
するか、直接に火焚きボイラー（５）に供給するかの選
択をするパルプブである。α４１Ｆｉバイパスダンパー
で、ガスタービン（１）の出口側から給水加熱器αＯの
人口側へのバイパス経路０５１中に介装されている。α
（２）はガスタービン（１）の出口側から追い焚きバー
ナ（６）への排ガス経路中に介装された排ガスダンパー
、（１７＋は空気予熱器（９）から火焚きボイラー（６
１への燃焼用空気経路中に介装された燃焼用空気ダンパ
ーである。EXAMPLE AND FUNCTION The following is an example of the present invention based on the drawings! , Illustrate. In the drawing, (1) is a gas turbine, and the combustor (2) is a gas turbine.
) is used to rotatably drive an air compressor (3) that supplies compressed air to the combustor (2) and a generator (4). (5) is a normal fire-fired boiler, and a reheating burner (6) is installed between this fire-fired boiler (5) and the gas turbine (1) to reburn the exhaust gas of the gas turbine (1). . (7) is a reheating fuel control device that detects the exhaust gas flow rate of the gas turbine (1) and controls the amount of fuel supplied to the reheating burner (6). (8)
is a forced fan that supplies combustion air to a fire-fired boiler (511C). After the combustion air is heat-exchanged with the exhaust gas from the fire-fired boiler (5) in the air preheater (9), it is sent to the fire-fired boiler (5). QO is supplied to the Q2 air preheater (9
6t121 is a water supply valve, 03) is a water supply bypass valve, which heats the water supplied from the water supply tank (b) to the fire-fired boiler (5) with a water supply power heater installed in the exhaust gas exhaust path from the This is a pulp valve that allows you to select whether to supply water from the water tank (11) to the fire extraction boiler (5) through the water heater (10) or directly to the fire-burning boiler (5). The bypass damper is interposed in the bypass path 051 from the outlet side of the gas turbine (1) to the artificial side of the feed water heater αO.
(2) is an exhaust gas damper installed in the exhaust gas path from the outlet side of the gas turbine (1) to the reheating burner (6);
1 is a combustion air damper interposed in the combustion air path to the combustion air path.
（１８）は火焚きボイラー（６）への燃料供給量を制御
する火災き燃料制御装置ｄである。(18) is a fire-fired fuel control device d that controls the amount of fuel supplied to the fire-fired boiler (6).
Ｌ記構成において、ガスタービン（１）の運休時は、バ
イパスダンパー１１排ガスダンパー（Ｉ６１を全閉し、
燃焼用空気ダンパーＱ７）を全開し、給水パルプ賭を全
閉し、給水バイパスバルブＱ３１を全開し、押込みファ
ン（８）ケ運転することにより通常のボイラー設備とし
て運用される。ガスタービン（１）を運転する０゛ｆは
、押込みファン（８）を停止し、燃焼用ガスダンパー（
Ｉηを全閉し、排ガスダンパー（国を全開し、ガスター
ビン（１）の排ガスを追い焚きバーナ（６）で否燃し、
Ａ■ｉ常のボイラー火炉温度にまで加熱して火焚きボイ
ラー（５）に導入し、熱併給ガスタービン発電プラント
として運転する。この時パイパスタ゛ンパーＩは火焚き
ボイラー（５）のボイラー蒸発ｋを検知してバイパス経
路８０を通過する排ガスのバイパス量を制御し、ボイラ
ー蒸気の需要変化に対応して再燃する排力゛ス量を調整
する。同時に、給水パルプ０２１を全開し、給水バイパ
スバルブ（１３）を全閉して、バイパス経路ａｉｉ＋を
通してバイパスされる排ガスの熱エネルギーを回収する
。ボイラー蒸気の需要がさらに増加した場合は、押込み
ファン（８）全運転し、燃焼用空気ダンパーＱηを全開
してガスタービン（１）と同時運転を行なう。In the L configuration, when the gas turbine (1) is out of operation, the bypass damper 11 exhaust gas damper (I61 is fully closed,
The combustion air damper Q7) is fully opened, the water supply pulp valve is fully closed, the water supply bypass valve Q31 is fully opened, and the forced fan (8) is operated to operate as normal boiler equipment. 0゛f, which operates the gas turbine (1), stops the forced fan (8) and turns on the combustion gas damper (
Iη is fully closed, the exhaust gas damper is fully opened, and the exhaust gas from the gas turbine (1) is reheated and burnt with the burner (6).
A■i It is heated to the normal boiler furnace temperature and introduced into the fire-fired boiler (5), and is operated as a cogeneration gas turbine power generation plant. At this time, the pipe stamper I detects the boiler evaporation k of the fire-fired boiler (5), controls the bypass amount of exhaust gas passing through the bypass path 80, and controls the amount of exhaust gas reburned in response to changes in demand for boiler steam. Adjust. At the same time, the water supply pulp 021 is fully opened, the water supply bypass valve (13) is fully closed, and the thermal energy of the exhaust gas bypassed through the bypass path aii+ is recovered. If the demand for boiler steam increases further, the forced fan (8) is fully operated and the combustion air damper Qη is fully opened to operate simultaneously with the gas turbine (1).
このように、バイパスダンパー（１４！は、押込みファ
ンを停止している時に、ボイラー蒸気二、Ｍ匁に応じて
追い焚き量を調整し、給水加熱器ＧＯはこの時にバイパ
スされた排ガスから熱エネルギーを回収し、燃焼用空気
ダンパーｌＩηは押込みファン（８）側への逆流を防止
する。排ガスダンパー（Ｉ６１は、ガスタービン（１）
を停止してボイラー設備として単独に運転する時に、ガ
スタービン（１１Ｉｌｌへの逆流を防止する。このよう
にガスタービン発’ＭＥ ＶＳ １ｉｉｉと通常のボイ
ラー設備のどちらか一方の運転もしくは並列運転が可能
となり、多様性を有す熱併給ガスタービン発電プラント
となるー
発明の効果
以上本発明によれば、バイパスダンパーによシボイラー
蒸気の需要変化に対応して再燃する排ガスｊ寸を調整し
ながら追い焚き量をＷ１■整し、同時に給水加熱器によ
シバイパス排ガスから熱エネルギを回収できるものであ
シ、しかも、ガスタービン発電設備と通常の火焚きボイ
ラー設備のどちらか一方の運転もしくは並列運転が可能
であり、多様性を有する熱併給ガスタービン発電プラン
トを得るに至ったものである。In this way, the bypass damper (14!) adjusts the amount of reheating according to the boiler steam 2, M momme when the forced fan is stopped, and the feed water heater GO uses thermal energy from the exhaust gas bypassed at this time. The combustion air damper lIη prevents the backflow to the forced fan (8) side.The exhaust gas damper (I61 is the gas turbine (1)
This prevents backflow to the gas turbine (11Ill) when the boiler is stopped and operated independently as boiler equipment.In this way, it is possible to operate either the gas turbine generator ME VS 1iii or the normal boiler equipment or in parallel. According to the present invention, a bypass damper is used to reheat while adjusting the size of the reburned exhaust gas in response to changes in the demand for boiler steam. It is possible to adjust the amount of water to W1■ and at the same time recover thermal energy from the bypass exhaust gas using a feed water heater. Moreover, it is possible to operate either the gas turbine power generation equipment or the ordinary fire-fired boiler equipment or in parallel. This has led to the creation of a versatile cogeneration gas turbine power plant.
図面は本発明の一実施例を示す系統図である。
（１）・・・ガスタービン、（４）・・・発電機、（５
）・・・火焚きボイラー、（６）・・・追い焚きバーナ
、（８）・・・押込みファン、（９）・・・空気予熱器
、ＱＩＪ・・・給水加熱器、（１２１・・・給水パル７
”、Ｌ１３１・・・給水バイパスパルプ、α弔・・・バ
イパスダンパー、（＋６）・・・排ガスダンパー、ａη
・・・燃焼用空気ダン代理人 森 木 義 弘The drawing is a system diagram showing one embodiment of the present invention. (1)... Gas turbine, (4)... Generator, (5
)... Fire-fired boiler, (6)... Reheating burner, (8)... Forced fan, (9)... Air preheater, QIJ... Feed water heater, (121... water supply pal 7
", L131...Water supply bypass pulp, α弔...Bypass damper, (+6)...Exhaust gas damper, aη
...Combustion air agent Yoshihiro Moriki
Claims (1)
方に排ガスダンパーを介して追い焚キハーナを設置する
とともに、他方にプロセス蒸気量または蒸気圧力によっ
て制御されるバイパスダンパーを接続し、前妃追い焚き
バーナの下流側し゛こ押込みファンを含む付縞設備をも
った通常の火焚きボイラーを設置し、該火焚きボイラー
の排ガス経路中に給水加熱器を介装し、前記火焚きボイ
ラーへの給水を前記給水加熱器を通して行なう経路と直
接に行なう経路とに切換えるバルブｆＷけ、ＦＩｉｌ記
バイパスダンパーを前記給水加熱器の上流側で前記火焚
きボイラーの排ガス経路に接続し、前記押込みファンか
ら火焚きボイラーへの燃焼用空気の供給経路中にダンパ
ー全介装したことを特徴とする排熱回収ガスタービン発
電膜イＪ＾。1. The exhaust gas path of the gas turbine is divided into two, and a reheating system is installed on one side via an exhaust gas damper, and a bypass damper controlled by the process steam amount or steam pressure is connected to the other side. A normal fire-fired boiler with striped equipment including a push-in fan is installed on the downstream side of the reheating burner, and a feed water heater is interposed in the exhaust gas path of the fire-fired boiler. A bypass damper is connected to the exhaust gas path of the fire-fired boiler on the upstream side of the feedwater heater, and a bypass damper is connected to the exhaust gas path of the fire-fired boiler on the upstream side of the feedwater heater, and a bypass damper is connected to the exhaust gas path of the fire-fired boiler on the upstream side of the feedwater heater. An exhaust heat recovery gas turbine power generation membrane J^ characterized by having a damper completely installed in the supply path of combustion air to the boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6472984A JPS60206909A (en) | 1984-03-30 | 1984-03-30 | Exhaust heat recovery gas turbine power generating facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6472984A JPS60206909A (en) | 1984-03-30 | 1984-03-30 | Exhaust heat recovery gas turbine power generating facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60206909A true JPS60206909A (en) | 1985-10-18 |
| JPH0341654B2 JPH0341654B2 (en) | 1991-06-24 |
Family
ID=13266526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6472984A Granted JPS60206909A (en) | 1984-03-30 | 1984-03-30 | Exhaust heat recovery gas turbine power generating facility |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60206909A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062506A (en) * | 1992-06-17 | 1994-01-11 | Hitachi Ltd | Exhaust afterburning combined plant and operation control method therefor |
| DE102010055914A1 (en) | 2010-12-23 | 2011-08-25 | Daimler AG, 70327 | Device for distribution of exhaust gas flow of internal combustion engine in vehicle, has exhaust gas system having exhaust pipe, in which exhaust after treatment device and heat recovery device are arranged |
| DE102010055915A1 (en) | 2010-12-23 | 2012-06-28 | Daimler Ag | Device for distributing gas streams of internal combustion engine of vehicle, accumulates exhaust gases by reducing flow rate of dosing/bypass valves towards internal combustion engine based on operating state of engine |
| JP2019124127A (en) * | 2018-01-12 | 2019-07-25 | 三菱日立パワーシステムズ株式会社 | Gas-turbine combination system and operation switching method therefor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5400850B2 (en) * | 2011-10-12 | 2014-01-29 | 川崎重工業株式会社 | Method and apparatus for controlling exhaust heat boiler system |
-
1984
- 1984-03-30 JP JP6472984A patent/JPS60206909A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062506A (en) * | 1992-06-17 | 1994-01-11 | Hitachi Ltd | Exhaust afterburning combined plant and operation control method therefor |
| DE102010055914A1 (en) | 2010-12-23 | 2011-08-25 | Daimler AG, 70327 | Device for distribution of exhaust gas flow of internal combustion engine in vehicle, has exhaust gas system having exhaust pipe, in which exhaust after treatment device and heat recovery device are arranged |
| DE102010055915A1 (en) | 2010-12-23 | 2012-06-28 | Daimler Ag | Device for distributing gas streams of internal combustion engine of vehicle, accumulates exhaust gases by reducing flow rate of dosing/bypass valves towards internal combustion engine based on operating state of engine |
| JP2019124127A (en) * | 2018-01-12 | 2019-07-25 | 三菱日立パワーシステムズ株式会社 | Gas-turbine combination system and operation switching method therefor |
| US11156130B2 (en) | 2018-01-12 | 2021-10-26 | Mitsubishi Power, Ltd. | Gas turbine cogeneration system and operation mode change method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0341654B2 (en) | 1991-06-24 |
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