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Title:
STEAM GENERATING FACILITY AND TURBINE-PUMP DRIVING CONTROL DEVICE THEREOF
Document Type and Number:
Japanese Patent JP2013072409
Kind Code:
A
Abstract:

To maintain driving of a steam turbine, by starting the steam turbine even if a power supply is cut off.

This steam generating facility includes a steam generating source 10, the steam turbine 20 driven by steam from the steam generating source, and a water supply pump 30 for supplying water to the steam generating source by being driven by driving of the steam turbine. This turbine-pump driving control device C includes a steam control valve 50 as a normally opening adjusting valve for adjusting a flow rate of the steam flowing in the steam turbine from the steam generating source, an overspeed limiting governor 60 mechanically connected to a turbine rotor 21 of the steam turbine and having the driving end 75 for moving by rotation of the turbine rotor, and a link mechanism 95 for converting the movement of the driving end into operation in the closing direction of the steam control valve 50 when a rotating speed of the turbine rotor increases.


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Inventors:
Hosomi, Eiichi
Ito, Naoharu
Meguro, Keiichi
Yamamoto, Yasuharu
Koyama, Yasuhiro
Nagano, Masaki
Ito, Takao
Application Number:
JP2011000213903
Publication Date:
April 22, 2013
Filing Date:
September 29, 2011
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F01D17/24; F01D15/08; F01D17/20
Domestic Patent References:
JP4648211B22011-03-09
JPS5514976A1980-02-01
JPS5846803U1983-03-29
JP4648211B22011-03-09
JPS5514976A1980-02-01
JPS5846803U1983-03-29
Foreign References:
US0705890A1902-07-29
US2889117A1959-06-02
US3465769A1969-09-09
US0705890A1902-07-29
US2889117A1959-06-02
US3465769A1969-09-09
Attorney, Agent or Firm:
森 隆一郎
志賀 正武
高橋 詔男
山崎 哲男
松沼 泰史