GB754213A - Steam power plants - Google Patents

Steam power plants

Info

Publication number
GB754213A
GB754213A GB565/54A GB56554A GB754213A GB 754213 A GB754213 A GB 754213A GB 565/54 A GB565/54 A GB 565/54A GB 56554 A GB56554 A GB 56554A GB 754213 A GB754213 A GB 754213A
Authority
GB
United Kingdom
Prior art keywords
valve
superheater
steam
pressure turbine
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.)
Expired
Application number
GB565/54A
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.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
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 Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of GB754213A publication Critical patent/GB754213A/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
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
    • F01K7/24—Control or safety means specially adapted therefor
    • 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
    • F01K9/04—Plants characterised by condensers arranged or modified to co-operate with the engines with dump valves to by-pass stages

Abstract

754,213. Steam turbine plant. SULZER FRERES, SOC. ANON. Jan. 8, 1954 [Jan. 27. 1953], No. 565/54. Class 110(3) In a plant having an intermediate superheater heated by flue gas and arranged between high and low pressure turbines, when operating conditions are such that it is undesirable to pass all the steam generated through the turbines, part of the steam is tapped from the supply to the high pressure turbine and by-passed through a cooler to the intermediate superheater. The same weight of steam is withdrawn from the plant upstream of the low pressure turbine to by-pass the latter. A high pressure turbine 10 is fed from a steam generator 1 through a superheater 3 and exhausts through an intermediate superheater 9 heated by flue gases of the boiler to an intermediate pressure turbine 11 which exhausts to low pressure turbines 12. A throttle valve 25 and quick acting valves 26, 27 are provided where shown. Turbines 12 exhaust to a condenser 14 coupled through a condensate pump 22 and a feed pump 2 to the boiler 1. A by-pass connection 6 between the outlet of superheater 3 and the inlet of superheater 9 includes valve 7 and a cooler 8 having a connection to the boiler feed supply controlled by a valve 19 and a connection 21 through a steam trap 20 to a cooler 18 discharging to the condenser. The cooler 18 is also connected through valve 17 to the outlet side of the superheater 9 and is fed with cooling water from the return feed connection 23 through valve 24. As shown in Fig. 2 the closure member of valve 17 is controlled by a spring loaded piston 28 subjected to the oil pressure in a pipe line 29 including a throttle 31 and a pressure release valve 30 controlled bv a diaphragm 32 subjected on opposite sides and over different areas to the pressures in the superheater 9 and the impulse stage of turbine 10 respectively. When the valve 7 is closed valves 30 and 17 close automatically. Alternatively the valve 17 may be controlled in accordance with the ratio of the amounts of steam flowing through and by-passing the high pressure turbine or in accordance with the pressure on the outlet side of the intermediate superheater, or the valve 17 may be adjusted by the inlet valve control for the high pressure turbine.
GB565/54A 1953-01-27 1954-01-08 Steam power plants Expired GB754213A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH754213X 1953-01-27

Publications (1)

Publication Number Publication Date
GB754213A true GB754213A (en) 1956-08-08

Family

ID=4534128

Family Applications (1)

Application Number Title Priority Date Filing Date
GB565/54A Expired GB754213A (en) 1953-01-27 1954-01-08 Steam power plants

Country Status (1)

Country Link
GB (1) GB754213A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901887A (en) * 1953-10-31 1959-09-01 Sulzer Ag System for starting and temporarily taking the load off a steam power plant having multistage reheating
WO2014032027A2 (en) * 2012-08-23 2014-02-27 Chevron U.S.A. Inc. System and method for recovery and cooling of steam and high temperature condensate
WO2023169726A1 (en) * 2022-03-07 2023-09-14 Siemens Energy Global GmbH & Co. KG Steam turbine plant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901887A (en) * 1953-10-31 1959-09-01 Sulzer Ag System for starting and temporarily taking the load off a steam power plant having multistage reheating
WO2014032027A2 (en) * 2012-08-23 2014-02-27 Chevron U.S.A. Inc. System and method for recovery and cooling of steam and high temperature condensate
WO2014032027A3 (en) * 2012-08-23 2014-10-16 Chevron U.S.A. Inc. System and method for recovery and cooling of steam and high temperature condensate
WO2023169726A1 (en) * 2022-03-07 2023-09-14 Siemens Energy Global GmbH & Co. KG Steam turbine plant

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