JPS5846803U

JPS5846803U - gas turbine

Info

Publication number: JPS5846803U
Application number: JP14145081U
Authority: JP
Inventors: 貞二宮川; 河崎　正道
Original assignee: 株式会社荏原製作所
Priority date: 1981-09-25
Filing date: 1981-09-25
Publication date: 1983-03-29
Also published as: JPH0121121Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は説明用の蒸気のエンタルピとエントロピンの関
係を示すｉ−ｓ線図、第２図は側面図で示した従来のタ
ービンの概念的説明図、第３図は蒸気ノズル部分を展開
して示した説明図、第４図は第２図、第３図に示すター
ビンの出力と蒸気消費量の関係を示す図、第５図は従来
のタービンの別な例の概念的説明図、第６図は第５図に
示すタービンの蒸気消費量を示す図、第７図はこの考案
のタービンの概念的説明図、第８図はこの考案のタービ
ンの蒸気消費量を示す図、第９図はこの考案のタービン
のエアーアクチュエーターの具体的な構成の一例を示す
図である。符号の説明、１・・・ブレード、２・・・軸、３・・・
ケージ：／グ、４・・・軸承、５・・・ラビリンスバッ
キング、１１・・・ノズル部、２１．２２・・・ノズル
弁、３１゜３２、　３３．　３４・・・蒸気加減弁、５
１・・・カバナー、６１・・・圧力発信器、６２・・・
圧力調節器、６３・・・コントロールボックス、７１．
７２・・・アクチュエータ、７３．７４・・・ピストン
、７５．７６・・・弁杆、８０・・・エアシリンダー、
８１・・・アダプタ、８２・・・フランジ、８３・・・
パイプ、８４・・・弁本体、８５・・・ピストン杆、８
６・・・コネクター、８７・・・ボルト、８８・・・ス
ペーサー、８９・・・ピン。Figure 1 is an I-S diagram showing the relationship between enthalpy and entropin of steam for explanatory purposes, Figure 2 is a conceptual illustration of a conventional turbine shown in side view, and Figure 3 is an expanded view of the steam nozzle. 4 is a diagram showing the relationship between the output and steam consumption of the turbine shown in FIGS. 2 and 3, and FIG. 5 is a conceptual explanatory diagram of another example of a conventional turbine. FIG. 6 is a diagram showing the steam consumption of the turbine shown in FIG. 5, FIG. 7 is a conceptual explanatory diagram of the turbine of this invention, FIG. 8 is a diagram showing the steam consumption of the turbine of this invention, and FIG. The figure shows an example of a specific configuration of the air actuator of the turbine of this invention. Explanation of symbols, 1...blade, 2...shaft, 3...
Cage: /g, 4... Bearing, 5... Labyrinth backing, 11... Nozzle part, 21.22... Nozzle valve, 31° 32, 33. 34...Steam control valve, 5
1...Coverner, 61...Pressure transmitter, 62...
Pressure regulator, 63...control box, 71.
72...Actuator, 73.74...Piston, 75.76...Valve rod, 80...Air cylinder,
81...Adapter, 82...Flange, 83...
Pipe, 84... Valve body, 85... Piston rod, 8
6... Connector, 87... Bolt, 88... Spacer, 89... Pin.

Claims

[Scope of utility model registration request]

In a gas turbine equipped with one or more nozzle valves, the nozzle valve is equipped with a remote control actuator, and the nozzle valve is opened and closed in accordance with the turbine output by operating the actuator in accordance with increases and decreases in the turbine output. , a gas turbine characterized in that only the minimum number of nozzle valves necessary are always open.