EP0604390A3 - Method for feeding a multiple pressure steam generator and feed pump. - Google Patents

Method for feeding a multiple pressure steam generator and feed pump. Download PDF

Info

Publication number
EP0604390A3
EP0604390A3 EP93890249A EP93890249A EP0604390A3 EP 0604390 A3 EP0604390 A3 EP 0604390A3 EP 93890249 A EP93890249 A EP 93890249A EP 93890249 A EP93890249 A EP 93890249A EP 0604390 A3 EP0604390 A3 EP 0604390A3
Authority
EP
European Patent Office
Prior art keywords
feeding
steam generator
feed pump
pressure steam
multiple pressure
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Withdrawn
Application number
EP93890249A
Other languages
German (de)
French (fr)
Other versions
EP0604390A2 (en
Inventor
Peter Dipl-Ing Antosijevicz
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.)
Austrian Energy and Environment AG and Co KG
Original Assignee
Austrian Energy and Environment AG and Co KG
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 Austrian Energy and Environment AG and Co KG filed Critical Austrian Energy and Environment AG and Co KG
Publication of EP0604390A2 publication Critical patent/EP0604390A2/en
Publication of EP0604390A3 publication Critical patent/EP0604390A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/10—Multi-stage pumps with means for changing the flow-path through the stages, e.g. series-parallel, e.g. side loads
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
    • F04D15/0227—Lack of liquid level being detected using a flow transducer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D11/00—Feed-water supply not provided for in other main groups
    • F22D11/02—Arrangements of feed-water pumps
EP93890249A 1992-12-24 1993-12-20 Method for feeding a multiple pressure steam generator and feed pump. Withdrawn EP0604390A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2572/92 1992-12-24
AT257292 1992-12-24

Publications (2)

Publication Number Publication Date
EP0604390A2 EP0604390A2 (en) 1994-06-29
EP0604390A3 true EP0604390A3 (en) 1995-04-19

Family

ID=3536696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93890249A Withdrawn EP0604390A3 (en) 1992-12-24 1993-12-20 Method for feeding a multiple pressure steam generator and feed pump.

Country Status (1)

Country Link
EP (1) EP0604390A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9810587D0 (en) * 1998-05-15 1998-07-15 Cryostar France Sa Pump
DE102004031469A1 (en) * 2004-06-30 2006-01-26 Ksb Aktiengesellschaft Controlled, energy-saving minimum quantity device of a multi-stage centrifugal pump with a very high pressure special stage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH169452A (en) * 1933-06-03 1934-05-31 Sulzer Ag Steam generator system with a high-pressure and a low-pressure part.
US2593058A (en) * 1949-04-19 1952-04-15 Continental Foundry And Machin Automatic recirculating control for pumps
US2720838A (en) * 1951-09-22 1955-10-18 Reconstruction Finance Corp Mechanism for protecting boiler feed pump
US3118386A (en) * 1964-01-21 Multi-stage centrifugal pump
US3204407A (en) * 1961-03-30 1965-09-07 Bbc Brown Boveri & Cie Combined gas turbine and steam turbine power plant
JPS55114837A (en) * 1979-02-27 1980-09-04 Hitachi Ltd Combined cycle power plant
JPS58217709A (en) * 1982-06-10 1983-12-17 Toshiba Corp Composite cycle power generating plant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118386A (en) * 1964-01-21 Multi-stage centrifugal pump
CH169452A (en) * 1933-06-03 1934-05-31 Sulzer Ag Steam generator system with a high-pressure and a low-pressure part.
US2593058A (en) * 1949-04-19 1952-04-15 Continental Foundry And Machin Automatic recirculating control for pumps
US2720838A (en) * 1951-09-22 1955-10-18 Reconstruction Finance Corp Mechanism for protecting boiler feed pump
US3204407A (en) * 1961-03-30 1965-09-07 Bbc Brown Boveri & Cie Combined gas turbine and steam turbine power plant
JPS55114837A (en) * 1979-02-27 1980-09-04 Hitachi Ltd Combined cycle power plant
JPS58217709A (en) * 1982-06-10 1983-12-17 Toshiba Corp Composite cycle power generating plant

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HERBERT JERICHA: "Wärme-Cogeneration", ELEKTROTECHNIK UND INFORMATIONSTECHNIK, vol. 109, no. 11, 1992, WIEN AT, pages 558 - 569 *
PATENT ABSTRACTS OF JAPAN vol. 4, no. 167 (M - 042) 19 November 1980 (1980-11-19) *
PATENT ABSTRACTS OF JAPAN vol. 8, no. 69 (M - 286) 31 March 1984 (1984-03-31) *

Also Published As

Publication number Publication date
EP0604390A2 (en) 1994-06-29

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