GB1465404A - Auxiliary equipment for turbo generators - Google Patents

Auxiliary equipment for turbo generators

Info

Publication number
GB1465404A
GB1465404A GB423674A GB423674A GB1465404A GB 1465404 A GB1465404 A GB 1465404A GB 423674 A GB423674 A GB 423674A GB 423674 A GB423674 A GB 423674A GB 1465404 A GB1465404 A GB 1465404A
Authority
GB
United Kingdom
Prior art keywords
valve
air
turbine
main
open
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.)
Expired
Application number
GB423674A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HARGREAVES CO Ltd H
Original Assignee
HARGREAVES CO Ltd H
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HARGREAVES CO Ltd H filed Critical HARGREAVES CO Ltd H
Priority to GB423674A priority Critical patent/GB1465404A/en
Publication of GB1465404A publication Critical patent/GB1465404A/en
Expired legal-status Critical Current

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
    • F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
    • F01K9/02—Arrangements or modifications of condensate or air pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • 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
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • F01K13/025—Cooling the interior by injection during idling or stand-by

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

1465404 Auxiliary plant for steam turbines HICK HARGREAVES & CO Ltd 30 Dec 1974 [30 Jan 1974] 4236/74 Heading FIT The invention relates to steam turbine plant of a turbogenerator in which the air suction pump associated with the condenser may be adapted to supply cooling air to the turbine so as to ensure more rapid cooling of the turbine when the latter is to be taken out of service. In the Fig. a main 2 is provided with suction valves 1 by which the condenser may be connected to the main and with air discharge valves 1 A by which the main may be connected to the turbine for supply of cooling air thereto. An air pump 15 of the Rootes blower type and driven by a motor 16 is provided. In normal operation, the valve 1 is open and valve 1A is closed, the pump 15 taking its suction from the main 2, and so from the condenser through the line which includes an atmospheric air operated ejector 5 which comprises an air inlet valve 6, a water mist spray inlet nozzle and valve 8, also a valve-controlled by-pass 7. The valves 3,4 and 11 are open and the valve 12 closed during this phase of operation, the pump discharging through silencers 18 and 22, the valve 20 being open. Thus a vacuum is built-up and maintained in the condenser. When the turbine is to be shut-down and taken out of service, the valve 1 is closed and valve 1A opened. The valves 3 and 11 are closed and valve 12 opened; valve 20 is closed and valve 24 is opened. The air pump or blower 15 now takes in atmospheric air through silencer 13 and discharges it at increased pressure through the silencer 18, thence through the aftercooler 23 and open valve 24 to the main 2 from which the cool air passes through open valve 1A into the turbine for cooling thereof. The aftercooler is cooled by water from the header tank 25.
GB423674A 1974-12-30 1974-12-30 Auxiliary equipment for turbo generators Expired GB1465404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB423674A GB1465404A (en) 1974-12-30 1974-12-30 Auxiliary equipment for turbo generators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB423674A GB1465404A (en) 1974-12-30 1974-12-30 Auxiliary equipment for turbo generators

Publications (1)

Publication Number Publication Date
GB1465404A true GB1465404A (en) 1977-02-23

Family

ID=9773307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB423674A Expired GB1465404A (en) 1974-12-30 1974-12-30 Auxiliary equipment for turbo generators

Country Status (1)

Country Link
GB (1) GB1465404A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015090107A (en) * 2013-11-06 2015-05-11 三菱日立パワーシステムズ株式会社 Steam turbine forced cooling device, steam turbine system including steam turbine forced cooling device, and steam turbine forced cooling method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015090107A (en) * 2013-11-06 2015-05-11 三菱日立パワーシステムズ株式会社 Steam turbine forced cooling device, steam turbine system including steam turbine forced cooling device, and steam turbine forced cooling method
EP2871329A1 (en) * 2013-11-06 2015-05-13 Mitsubishi Hitachi Power Systems, Ltd. Steam turbine forced air cooling system, equipment, and steam turbine equipped with it
US9810094B2 (en) 2013-11-06 2017-11-07 Mitsubishi Hitachi Power Systems, Ltd. Steam turbine forced air cooling system, equipment, and steam turbine equipped with it

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19941229