JPH0559905A - Refuse incinerating gas turbine composite plate - Google Patents
Refuse incinerating gas turbine composite plateInfo
- Publication number
- JPH0559905A JPH0559905A JP21999891A JP21999891A JPH0559905A JP H0559905 A JPH0559905 A JP H0559905A JP 21999891 A JP21999891 A JP 21999891A JP 21999891 A JP21999891 A JP 21999891A JP H0559905 A JPH0559905 A JP H0559905A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- boiler
- evaporator
- steam
- gas turbine
- 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.)
- Withdrawn
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
- F01K23/106—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 water evaporated or preheated at different pressures in exhaust boiler
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は，ゴミ焼却ガスタービン
複合発電に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refuse incineration gas turbine combined power generation.
【０００２】[0002]
【従来の技術】従来，ゴミ焼却プラントは，ストーカー
方式や流動床方式等により，単純に焼却処理をするだけ
か，または低圧の蒸気で熱回収を行い，小規模な発電や
小規模暖房等に利用されているに過ぎなかった。したが
って，また，その発電効率も低かった。2. Description of the Related Art Conventionally, garbage incineration plants are used for small-scale power generation, small-scale heating, etc. by simply incinerating by a stalker system or fluidized bed system or by recovering heat with low-pressure steam. It was only used. Therefore, its power generation efficiency was also low.
【０００３】[0003]
【発明が解決しようとする課題】従来のゴミ焼却プラン
トで高効率，大規模発電が達成できなかった理由として
は，まず，都市ゴミ等に含まれる多量の塩素，硫黄等に
よる高温腐蝕が予想されるため，高温，高圧の蒸気条件
が採用できず，したがって熱効率も低いこと，またゴミ
の燃焼エネルギーだけに限定していたため，大規模発電
が達成できなかったこと等が挙げられる。The reason why high efficiency and large-scale power generation cannot be achieved in the conventional refuse incineration plant is that high temperature corrosion due to a large amount of chlorine, sulfur, etc. contained in municipal refuse is expected. Therefore, high-temperature and high-pressure steam conditions cannot be adopted, and therefore the thermal efficiency is low, and because it was limited to the combustion energy of dust, large-scale power generation could not be achieved.
【０００４】[0004]
【課題を解決するための手段】本発明は，前記従来の課
題を解決するために，ガスタービンと，上記ガスタービ
ンの排ガスが導入され，ガス入口部に助燃バーナ，その
後流に高圧過熱器，高圧蒸発器，低圧蒸発器および低圧
節炭器を有する排ガスボイラと，蒸発器を有するゴミ焼
却炉と，上記排ガスボイラ内で発生した過熱蒸発により
駆動される混圧復水蒸気タービンとを備え，上記高圧蒸
発器で発生した飽和蒸気と上記蒸発器で発生した飽和蒸
気とが上記高圧過熱器に送給されることを特徴とするゴ
ミ焼却ガスタービン複合プラントを提案するものであ
る。In order to solve the above-mentioned conventional problems, the present invention introduces a gas turbine, an exhaust gas of the gas turbine, an auxiliary combustion burner at a gas inlet portion, a high pressure superheater at a subsequent flow, An exhaust gas boiler having a high-pressure evaporator, a low-pressure evaporator and a low-pressure coal economizer, a refuse incinerator having an evaporator, and a mixed pressure steam recuperator driven by superheat evaporation generated in the exhaust gas boiler are provided. A waste incineration gas turbine complex plant characterized in that saturated steam generated in a high-pressure evaporator and saturated steam generated in the evaporator are fed to the high-pressure superheater.
【０００５】[0005]
【作用】本発明においては，高圧過熱器を廃ガスボイラ
内にのみ設けるので，ゴミ焼却炉における高温腐蝕を心
配することなく，従来のゴミ焼却プラントでは得られな
かった高温・高圧の蒸気を回収することができ，高効率
化が達成される。また，ガスタービンプラントとゴミ焼
却プラントの複合化により，ゴミ燃焼エネルギーだけに
頼ることなく，ガスタービンや排ガスボイラに使用する
クリーン燃料の燃焼エネルギーを任意に利用できるた
め，必要な発電規模に合わせた発電設備を構成すること
ができる。In the present invention, since the high-pressure superheater is provided only in the waste gas boiler, there is no concern about high-temperature corrosion in the waste incinerator, and high-temperature / high-pressure steam that cannot be obtained in the conventional waste incineration plant is recovered. It is possible to achieve high efficiency. In addition, by combining a gas turbine plant and a waste incineration plant, the combustion energy of clean fuel used for gas turbines and exhaust gas boilers can be arbitrarily used without relying solely on the waste combustion energy, so that the required power generation scale can be adjusted. Power generation equipment can be configured.
【０００６】[0006]
【実施例】図１は本発明の一実施例を示す系統図であ
る。図中１はゴミ供給系統，２は燃焼エア供給系統，３
は押込通風機，４はゴミ焼却流動床ボイラ（又はストー
カーボイラ），５は高圧ドラム（流動床ボイラ用），６
は節炭器（流動床ボイラ用），７は燃焼ガスクリーニン
グシステム，８は煙突，９は高圧飽和蒸気配管，１０は
高圧節炭器出口連絡管，１１は高圧節炭器入口連絡管，
１２は高圧給水管（排熱ボイラ用），１３は高圧給水系
統（共通），１４は大気吸入系統，１５はガスタービン
燃料系統，１６は空気圧縮機，１７はパワータービン，
１８は発電機（ガスタービン駆動），１９はガスタービ
ン排気系統，２０は助燃バーナー，２１は助燃用燃料系
統，２２は高圧過熱器，２３は高圧蒸発器，２４は高圧
蒸気ドラム（排ガスボイラ用），２５は高圧蒸発器，２
６は低圧過熱器，２７は低圧蒸発器，２８は低圧蒸気ド
ラム，２９は低圧節炭器，３０は脱気器蒸発器，３１は
脱気器付蒸気ドラム，３２は低圧給水ポンプ，３３は高
圧給水ポンプ，３４は復水ポンプ，３５は復水器，３６
は混圧復水蒸気タービン，３７は低圧過熱蒸気系統，３
８は高圧過熱蒸気系統，３９は排ガスボイラ用煙突，４
０は排ガスボイラ，４１はガスタービンをそれぞれ示
す。1 is a system diagram showing an embodiment of the present invention. In the figure, 1 is a garbage supply system, 2 is a combustion air supply system, 3
Is a forced draft fan, 4 is a refuse incineration fluidized bed boiler (or stalker boiler), 5 is a high pressure drum (for fluidized bed boiler), 6
Is a economizer (for fluidized bed boiler), 7 is a combustion gas cleaning system, 8 is a chimney, 9 is high pressure saturated steam piping, 10 is high pressure economizer outlet communication pipe, 11 is high pressure economizer inlet communication pipe,
12 is a high-pressure water supply pipe (for exhaust heat boiler), 13 is a high-pressure water supply system (common), 14 is an air intake system, 15 is a gas turbine fuel system, 16 is an air compressor, 17 is a power turbine,
18 is a generator (gas turbine drive), 19 is a gas turbine exhaust system, 20 is an auxiliary combustion burner, 21 is an auxiliary combustion fuel system, 22 is a high pressure superheater, 23 is a high pressure evaporator, 24 is a high pressure steam drum (for an exhaust gas boiler) ), 25 is a high pressure evaporator, 2
6 is a low pressure superheater, 27 is a low pressure evaporator, 28 is a low pressure steam drum, 29 is a low pressure economizer, 30 is a deaerator evaporator, 31 is a steam drum with a deaerator, 32 is a low pressure feed pump, 33 is High-pressure water supply pump, 34 is a condensate pump, 35 is a condenser, 36
Is a mixed pressure steam recovery turbine, 37 is a low pressure superheated steam system, 3
8 is a high pressure superheated steam system, 39 is a stack for an exhaust gas boiler, 4
Reference numeral 0 represents an exhaust gas boiler, and 41 represents a gas turbine.
【０００７】ゴミ焼却ボイラ４においてゴミ供給系統１
から供給されるゴミは，押込通風機３により燃焼エア供
給系統２から導入される空気とともに燃焼に供される。
燃焼により生じたガスは，高圧蒸発器２５，節炭器６で
熱交換した後に，燃焼ガスクリーニングシステム７を通
って，煙突８から排出される。ゴミ焼却ボイラ４の給水
は，排ガスボイラ４０の脱気器付蒸気ドラム３１から，
高圧給水ポンプ３３により昇圧され，節炭器６で加熱さ
れて，高圧ドラム５へ供給される。ゴミ焼却ボイラ４の
高圧蒸発器２５等で発生した飽和蒸気は，高圧飽和蒸気
配管９を通って，排ガスボイラ４０の高圧過熱器２２に
導入される。A waste supply system 1 in the waste incineration boiler 4
The dust supplied from the air is supplied to the combustion by the forced draft fan 3 together with the air introduced from the combustion air supply system 2.
The gas generated by combustion is heat-exchanged by the high-pressure evaporator 25 and the economizer 6, and then discharged through the combustion gas cleaning system 7 and the chimney 8. Water supply to the waste incineration boiler 4 is performed from the steam drum 31 with a deaerator of the exhaust gas boiler 40.
The pressure is raised by the high-pressure water supply pump 33, heated by the economizer 6, and supplied to the high-pressure drum 5. Saturated steam generated in the high-pressure evaporator 25 and the like of the refuse incineration boiler 4 is introduced into the high-pressure superheater 22 of the exhaust gas boiler 40 through the high-pressure saturated steam pipe 9.
【０００８】一方，ガスタービン燃料系統１５から供給
されるガスまたは灯油等のクリーン燃料は，大気吸入系
統１４から供給され空気圧縮機１６で圧縮された空気と
ともに燃焼に供される。燃焼ガスはパワータービン１７
で仕事をして，発電機１８により電力を発生する。仕事
を終えた排ガスは，排ガスボイラ４０に導入され，助燃
用燃料系統２１から助燃バーナ２０に供給される燃料の
燃焼に供された後，高圧過熱器２２，高圧蒸発器２３，
低圧過熱器２６，低圧蒸発器２７，低圧節炭器２９，脱
気器蒸発器３０等の伝熱管と熱交換し，排ガスボイラ用
煙突３９から排出される。On the other hand, clean fuel such as gas or kerosene supplied from the gas turbine fuel system 15 is supplied to the combustion together with the air supplied from the atmosphere intake system 14 and compressed by the air compressor 16. Combustion gas is power turbine 17
The electric generator 18 generates electric power. The exhaust gas that has finished the work is introduced into the exhaust gas boiler 40 and is used for combustion of the fuel supplied from the auxiliary combustion fuel system 21 to the auxiliary combustion burner 20, and then the high pressure superheater 22, the high pressure evaporator 23,
The heat is exchanged with heat transfer tubes such as the low-pressure superheater 26, the low-pressure evaporator 27, the low-pressure economizer 29, and the deaerator evaporator 30, and is discharged from the exhaust gas chimney 39.
【０００９】ここで高圧過熱器２２には，排ガスボイラ
４０自体の高圧蒸発器２３で発生する飽和蒸気のみでな
く，前述のゴミ焼却ボイラ４の高圧蒸発器２５等で発生
した飽和蒸気も導入されて，過熱される。発生した蒸気
は，それぞれ高圧過熱蒸気系統３８および中圧過熱蒸気
系統３７を通って，混圧復水蒸気タービン３６で仕事を
し，電力を発生する。混圧復水蒸気タービン３６の排気
は，復水器３５を通って復水ポンプ３４で昇圧された
後，排ガスボイラ４０の給水として供給される。（蒸気
タービンは背圧型の場合もある。）上記のとおり本実施
例においては，ゴミ焼却ボイラ４には高温腐蝕の恐れが
ある過熱器を設置せず，節炭器６，高圧蒸発器２５のみ
を設置し，発生した飽和蒸気を排ガスボイラ４０の高圧
過熱器２２へ導入して過熱蒸気とする。したがって，プ
ラント全体として高温高圧の蒸気条件を採用することが
でき，高効率を得ることができる。Here, not only the saturated steam generated in the high-pressure evaporator 23 of the exhaust gas boiler 40 itself but also the saturated steam generated in the high-pressure evaporator 25 of the waste incineration boiler 4 are introduced into the high-pressure superheater 22. Are overheated. The generated steam passes through the high-pressure superheated steam system 38 and the medium-pressure superheated steam system 37, respectively, to work in the mixed pressure recuperative steam turbine 36 to generate electric power. The exhaust gas from the mixed pressure steam condensing steam turbine 36 is supplied to the exhaust gas boiler 40 after being pressurized by the condensate pump 34 through the condenser 35. (The steam turbine may be a back pressure type.) As described above, in the present embodiment, the waste incineration boiler 4 is not provided with a superheater that may cause high temperature corrosion, and only the economizer 6 and the high pressure evaporator 25 are provided. Is installed and the generated saturated steam is introduced into the high-pressure superheater 22 of the exhaust gas boiler 40 to be superheated steam. Therefore, high-temperature and high-pressure steam conditions can be adopted for the entire plant, and high efficiency can be obtained.
【００１０】本実施例ではまた，排ガスボイラ４０内に
低圧蒸気系を設置するとともに，高・低圧等の蒸気を導
入することのできる混圧復水蒸気タービン３６を設けた
ので，排ガスボイラでの熱回収量が増大し，プラント効
率が更に向上するとともに，大規模発電が実現する。Further, in this embodiment, since the low pressure steam system is installed in the exhaust gas boiler 40 and the mixed pressure re-steam steam turbine 36 capable of introducing high and low pressure steam is provided, the heat in the exhaust gas boiler is reduced. This will increase the amount of recovery, further improve plant efficiency, and realize large-scale power generation.
【００１１】なお，排ガスボイラ４０の入口の助燃バー
ナー２０は，負荷変動，出力制御等に備えて設置されて
いるものである。The auxiliary burner 20 at the inlet of the exhaust gas boiler 40 is installed for load fluctuation, output control and the like.
【００１２】従来のゴミ焼却発電設備の発電効率は１０
％程度であり，電力を得る目的でこれにただ単純にガス
タービン発電設備を並設したとしても，表１に示される
とおり，トータルの発電効率として２６．３％しか得ら
れない。一方，燃料入熱量等の条件を全く同一として，
本実施例のゴミ焼却ガスタービン複合発電設備を採用す
ると，発電効率は３３．２％も得られ，従来のプラント
に対し相対値で約２６％も向上させることができる。The power generation efficiency of the conventional refuse incineration power generation facility is 10
%, And even if gas turbine power generation equipment is simply installed in parallel for the purpose of obtaining electric power, as shown in Table 1, the total power generation efficiency is only 26.3%. On the other hand, if the conditions such as the heat input amount of fuel are completely the same,
When the refuse incineration gas turbine combined cycle power generation equipment of this embodiment is adopted, the power generation efficiency can be as high as 33.2%, and can be improved by about 26% in relative value to the conventional plant.
【００１３】[0013]
【表１】 [Table 1]
【００１４】[0014]
【発明の効果】本発明によれば，ゴミ焼却ボイラに高温
腐蝕を発生させることなく，プラントの発電効率を格段
に向上させることができ，またゴミ焼却熱を活用した大
規模発電が実現する。According to the present invention, the power generation efficiency of the plant can be markedly improved without causing high temperature corrosion in the waste incineration boiler, and large-scale power generation utilizing the waste incineration heat can be realized.
【図１】図１は本発明の一実施例を示す系統図である。FIG. 1 is a system diagram showing an embodiment of the present invention.
１ ゴミ供給系統 ２ 燃焼エア供給系統 ３ 押込通風機 ４ ゴミ焼却流動床ボイラ（又はストーカーボイ
ラ） ５ 高圧ドラム（流動床ボイラ用） ６ 節炭器（流動床ボイラ用） ７ 燃焼ガスクリーニングシステム ８ 煙突 ９ 高圧飽和蒸気配管 １０ 高圧節炭器出口連絡管 １１ 高圧節炭器入口連絡管 １２ 高圧給水管（排熱ボイラ用） １３ 高圧給水系統（共通） １４ 大気吸入系統 １５ ガスタービン燃料系統 １６ 空気圧縮機 １７ パワータービン １８ 発電機（ガスタービン駆動） １９ ガスタービン排気系統 ２０ 助燃バーナー ２１ 助燃用燃料系統 ２２ 高圧過熱器 ２３ 高圧蒸発器 ２４ 高圧蒸気ドラム（排ガスボイラ用） ２５ 高圧蒸発器 ２６ 低圧過熱器 ２７ 低圧蒸発器 ２８ 低圧蒸気ドラム ２９ 低圧節炭器 ３０ 脱気器蒸発器 ３１ 脱気器付蒸気ドラム ３２ 低圧給水ポンプ ３３ 高圧給水ポンプ ３４ 復水ポンプ ３５ 復水器 ３６ 混圧復水蒸気タービン ３７ 低圧過熱蒸気系統 ３８ 高圧過熱蒸気系統 ３９ 排ガスボイラ用煙突 ４０ 排ガスボイラ ４１ ガスタービン1 Waste Supply System 2 Combustion Air Supply System 3 Push-in Fan 4 Waste Incineration Fluidized Bed Boiler (or Stoker Boiler) 5 High Pressure Drum (For Fluidized Bed Boiler) 6 Coal Saver (For Fluidized Bed Boiler) 7 Combustion Gas Cleaning System 8 Chimney 9 High-pressure saturated steam pipe 10 High-pressure economizer outlet communication pipe 11 High-pressure economizer inlet communication pipe 12 High-pressure water supply pipe (for waste heat boiler) 13 High-pressure water supply system (common) 14 Atmosphere intake system 15 Gas turbine fuel system 16 Air compression Machine 17 Power turbine 18 Generator (gas turbine drive) 19 Gas turbine exhaust system 20 Auxiliary burner 21 Auxiliary fuel system 22 High pressure superheater 23 High pressure evaporator 24 High pressure steam drum (for exhaust gas boiler) 25 High pressure evaporator 26 Low pressure superheater 27 Low Pressure Evaporator 28 Low Pressure Steam Drum 29 Low Pressure Economizer 30 Deaerator Evaporator 31 Deaerator Steam drum with attachment 32 Low-pressure feed pump 33 High-pressure feed pump 34 Condensate pump 35 Condenser 36 Mixed-pressure condensing steam turbine 37 Low-pressure superheated steam system 38 High-pressure superheated steam system 39 Exhaust gas boiler chimney 40 Exhaust gas boiler 41 Gas turbine
Claims (1)
ガスが導入され，ガス入口部に助燃バーナ，その後流に
高圧過熱器，高圧蒸発器，低圧蒸発器および低圧節炭器
を有する排ガスボイラと，蒸発器を有するゴミ焼却炉
と，上記排ガスボイラ内で発生した過熱蒸発により駆動
される混圧復水蒸気タービンとを備え，上記高圧蒸発器
で発生した飽和蒸気と上記蒸発器で発生した飽和蒸気と
が上記高圧過熱器に送給されることを特徴とするゴミ焼
却ガスタービン複合プラント。1. A gas turbine, and an exhaust gas boiler, into which exhaust gas from the gas turbine is introduced, having an auxiliary combustion burner at a gas inlet portion, and having a high pressure superheater, a high pressure evaporator, a low pressure evaporator and a low pressure economizer in a downstream thereof, A waste incinerator having an evaporator, and a mixed pressure steam returning steam driven by superheat evaporation generated in the exhaust gas boiler are provided, and saturated steam generated in the high pressure evaporator and saturated steam generated in the evaporator Is sent to the above-mentioned high-pressure superheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21999891A JPH0559905A (en) | 1991-08-30 | 1991-08-30 | Refuse incinerating gas turbine composite plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21999891A JPH0559905A (en) | 1991-08-30 | 1991-08-30 | Refuse incinerating gas turbine composite plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0559905A true JPH0559905A (en) | 1993-03-09 |
Family
ID=16744332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21999891A Withdrawn JPH0559905A (en) | 1991-08-30 | 1991-08-30 | Refuse incinerating gas turbine composite plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0559905A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0786625A2 (en) | 1996-01-26 | 1997-07-30 | Hitachi, Ltd. | Electric power generation system utilising waste burning heat |
| EP1355109A1 (en) * | 2002-04-16 | 2003-10-22 | SWE Strom und Fernwärme GmbH | Method for generating power from refuse |
| JP2010159658A (en) * | 2009-01-07 | 2010-07-22 | Hitachi Ltd | Gas turbine system using high humidity and method for deairing collected water for gas turbine system |
| JP2016200083A (en) * | 2015-04-13 | 2016-12-01 | 株式会社藤井基礎設計事務所 | Power generating system |
-
1991
- 1991-08-30 JP JP21999891A patent/JPH0559905A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0786625A2 (en) | 1996-01-26 | 1997-07-30 | Hitachi, Ltd. | Electric power generation system utilising waste burning heat |
| EP1355109A1 (en) * | 2002-04-16 | 2003-10-22 | SWE Strom und Fernwärme GmbH | Method for generating power from refuse |
| JP2010159658A (en) * | 2009-01-07 | 2010-07-22 | Hitachi Ltd | Gas turbine system using high humidity and method for deairing collected water for gas turbine system |
| JP2016200083A (en) * | 2015-04-13 | 2016-12-01 | 株式会社藤井基礎設計事務所 | Power generating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19981112 |