NO150616B - PROCEDURE FOR OPERATING A GAS TURBIN COMBUSTION ROOM FOR AA OPEN LOW NOX RELEASE, AND COMBUSTION ROOMS FOR THE PROCEDURE - Google Patents

PROCEDURE FOR OPERATING A GAS TURBIN COMBUSTION ROOM FOR AA OPEN LOW NOX RELEASE, AND COMBUSTION ROOMS FOR THE PROCEDURE Download PDF

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Publication number
NO150616B
NO150616B NO794284A NO794284A NO150616B NO 150616 B NO150616 B NO 150616B NO 794284 A NO794284 A NO 794284A NO 794284 A NO794284 A NO 794284A NO 150616 B NO150616 B NO 150616B
Authority
NO
Norway
Prior art keywords
procedure
combustion
operating
pumps
low nox
Prior art date
Application number
NO794284A
Other languages
Norwegian (no)
Other versions
NO794284L (en
NO150616C (en
Inventor
Robert Alan Jorgensen
Roger Arthur Farrell
Bruce William Gerhold
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NO794284L publication Critical patent/NO794284L/en
Publication of NO150616B publication Critical patent/NO150616B/en
Publication of NO150616C publication Critical patent/NO150616C/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/26—Control of fuel supply
    • F02C9/32—Control of fuel supply characterised by throttling of fuel
    • F02C9/34—Joint control of separate flows to main and auxiliary burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/34—Feeding into different combustion zones
    • F23R3/346—Feeding into different combustion zones for staged combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/31—Fuel schedule for stage combustors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Of Fluid Fuel (AREA)

Description

Anordning ved kjøleanlegg for indirekte kjøling av f. eks. kunstfrosne isbaner. Device at a cooling plant for indirect cooling of e.g. frozen ice rinks.

Foreliggende oppfinnelse vedrører en The present invention relates to a

anordning ved kjøleanlegg for indirekte device at cooling plants for indirect

kjøling av f. eks. kunstfrosne isbaner ved cooling of e.g. artificially frozen ice rinks by

hjelp av en i en lukket krets sirkulerende using one in a closed circuit circulating

kuldebærer. Ved disse anlegg av denne art cold carrier. At these facilities of this nature

må kuldebærerens sirkulasjonsretning periodisk omkastes for at temperaturen langs the cooling medium's circulation direction must be periodically reversed so that the temperature along

kuldebærerrørene skal bli jevnest mulig. the coolant pipes must be as smooth as possible.

Denne omkastning av strømningsretningen This reversal of flow direction

har hittil vanligvis foregått ved hjelp av has so far usually taken place by means of

ventiler som omstilles periodisk. valves that are adjusted periodically.

Av sikkerhetsgrunner har man minst For safety reasons, you have at least

to kuldebærerpumper i hvert anlegg, hvilke two coolant pumps in each plant, which

pumper ennvidere er dimensjonert for hele pumps are furthermore dimensioned for the whole

kuldebærerstrømmen. I henhold til oppfinnelsen anvendes disse pumper på en the coolant flow. According to the invention, these pumps are used on a

sådan måte at man ikke behøver de hittil in such a way that you don't need them until now

anvendte omkasterventiler som er kostbare diverter valves used which are expensive

og forårsaker trykkfall som igjen øker pum-pearbeidet. Oppfinnelsen utmerker seg ved and causes a pressure drop which in turn increases the pumping work. The invention is distinguished by

at kuldebærerens strømningsretning i den that the coolant flow direction in it

lukkede krets er periodisk omkastbar ved closed circuit is periodically reversible by

hjelp av to innbyrdes i motsatt retning periodisk arbeidende pumper som er således with the help of two periodically working pumps in the opposite direction, which are thus

utført at kuldebæreren kan passere gjennom den i øyeblikket stillestående pumpe carried out so that the coolant can pass through the currently stationary pump

med små trykktap. with small pressure losses.

Oppfinnelsen er gjengitt skjematisk på The invention is shown schematically on

tegningen, hvor 1 betegner en kuldebærer-kjøler som avkjøles av et kjølemedium som the drawing, where 1 denotes a coolant cooler which is cooled by a cooling medium which

ledes gjennom en ledning 2 og som f. eks. is led through a line 2 and which, e.g.

fordampes i kjøleren 1. Et ekspansjonskar evaporates in the cooler 1. An expansion vessel

3 tjener til å oppta kuldebærerens volum - 3 serves to occupy the coolant's volume -

variasjoner som følge av temperaturend-ringer. variations due to temperature changes.

Kjøleren 1 er forbundet med et rør- The cooler 1 is connected by a tube

system 4, f. eks. for en isbane over lednin-ger 5 og 6, i hver av hvilke der er innkob-let en pumpe 7 henholdsvis 8 som pumper kuldebæreren i motsatte retninger. system 4, e.g. for an ice track over lines 5 and 6, in each of which a pump 7 and 8 respectively is connected which pumps the coolant in opposite directions.

Pumpene settes igang og stanses av f. eks. et programverk så de bare kan ar-beide vekselvis. For å nedsette påkjennin-gene på pumpemotorene bør der fordelaktig gå så lang tid fra den ene pumpe stan-ser til den annen går igang at kuldebæ-rersirkulasjonen har opphørt eller på det nærmeste opphørt. The pumps are started and stopped by e.g. a piece of software so they can only work alternately. In order to reduce the stress on the pump motors, there should advantageously be such a long period of time between one pump stopping and the other starting that the coolant circulation has ceased or almost ceased.

Behovet for reservepumper er på til-fredsstillende måte tilgodesett ved at man ved feil på en av pumpene uten større u-lemper kan la kuldebæreren strømme bare den ene retning i den tid det tar å få re-parert den feilaktige pumpe. The need for spare pumps is satisfactorily met by the fact that, in the event of a fault on one of the pumps, the coolant can be allowed to flow in only one direction for as long as it takes to repair the faulty pump without major inconvenience.

Da kuldebæreren må passere en stillestående pumpe, er pumpene således dimensjonert at trykkfallet og dermed trykk-tapene i den stillestående pumpe er små. As the coolant must pass a stationary pump, the pumps are dimensioned in such a way that the pressure drop and thus the pressure losses in the stationary pump are small.

Claims (2)

1. Anordning ved kjøleanlegg for indirekte kjøling av f. eks. kunstfrosne isbaner ved hjelp av en i en lukket krets sirkulerende kuldebærer, karakterisert ved at kuldebærerens strømningsretning i den lukkede krets er periodisk omkastbar ved hjelp av to innbyrdes i motsatt retning periodisk arbeidende pumper (7, 8) som er således utført at kuldebæreren kan passere gjennom den i øyeblikket stillestående pumpe med små trykktap.1. Device at a cooling plant for indirect cooling of e.g. artificially frozen ice rinks using a cooling medium circulating in a closed circuit, characterized in that the flow direction of the cooling medium in the closed circuit is periodically reversible by means of two pumps (7, 8) periodically working in the opposite direction, which are designed in such a way that the cooling medium can pass through the currently stationary pump with small pressure losses. 2. Anordning ifølge påstand 1, karakterisert ved at pumpene er styrt av et programverk.2. Device according to claim 1, characterized in that the pumps are controlled by a program.
NO794284A 1979-01-12 1979-12-27 PROCEDURE FOR OPERATING A GAS TURBIN COMBUSTION ROOM FOR AA OPEN LOW NOX RELEASE, AND COMBUSTION ROOMS FOR THE PROCEDURE NO150616C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US301679A 1979-01-12 1979-01-12

Publications (3)

Publication Number Publication Date
NO794284L NO794284L (en) 1980-07-15
NO150616B true NO150616B (en) 1984-08-06
NO150616C NO150616C (en) 1984-11-14

Family

ID=21703684

Family Applications (1)

Application Number Title Priority Date Filing Date
NO794284A NO150616C (en) 1979-01-12 1979-12-27 PROCEDURE FOR OPERATING A GAS TURBIN COMBUSTION ROOM FOR AA OPEN LOW NOX RELEASE, AND COMBUSTION ROOMS FOR THE PROCEDURE

Country Status (7)

Country Link
JP (1) JPS55112933A (en)
DE (1) DE3000672A1 (en)
FR (1) FR2446443A1 (en)
GB (2) GB2040031B (en)
IT (1) IT1130186B (en)
NL (1) NL187769C (en)
NO (1) NO150616C (en)

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US4545196A (en) * 1982-07-22 1985-10-08 The Garrett Corporation Variable geometry combustor apparatus
CA1209810A (en) * 1982-10-15 1986-08-19 Paul E. Scheihing Turbine combustor having improved secondary nozzle structure for more uniform mixing of fuel and air and improved downstream combustion
JPS6057131A (en) * 1983-09-08 1985-04-02 Hitachi Ltd Fuel feeding process for gas turbine combustor
JPS6429477U (en) * 1987-08-13 1989-02-22
US5237812A (en) * 1992-10-07 1993-08-24 Westinghouse Electric Corp. Auto-ignition system for premixed gas turbine combustors
US5487275A (en) * 1992-12-11 1996-01-30 General Electric Co. Tertiary fuel injection system for use in a dry low NOx combustion system
US5465570A (en) * 1993-12-22 1995-11-14 United Technologies Corporation Fuel control system for a staged combustor
DE4429757A1 (en) * 1994-08-22 1996-02-29 Abb Management Ag Two=stage combustion chamber
DE4441235A1 (en) * 1994-11-19 1996-05-23 Abb Management Ag Combustion chamber with multi-stage combustion
DE19649486A1 (en) * 1996-11-29 1998-06-04 Abb Research Ltd Combustion chamber
DE19728375A1 (en) * 1997-07-03 1999-01-07 Bmw Rolls Royce Gmbh Operating method for aircraft gas turbine engines
ITMI20032327A1 (en) * 2003-11-28 2005-05-29 Techint Spa GAS BURNER WITH LOW POLLUTING EMISSIONS.
DE102005060704A1 (en) 2005-12-19 2007-06-28 Rolls-Royce Deutschland Ltd & Co Kg Gas turbine combustor
RU2534189C2 (en) * 2010-02-16 2014-11-27 Дженерал Электрик Компани Gas turbine combustion chamber (versions) and method of its operation
FR2969703B1 (en) * 2010-12-23 2014-11-28 Snecma FUEL SUPPLY METHOD OF A TURBOMACHINE
JP6906381B2 (en) * 2017-07-03 2021-07-21 株式会社東芝 Combustion equipment and gas turbine
CN114353121B (en) * 2022-01-18 2022-12-20 上海交通大学 Multi-nozzle fuel injection method for gas turbine

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Also Published As

Publication number Publication date
IT1130186B (en) 1986-06-11
NL7909203A (en) 1980-07-15
FR2446443B1 (en) 1983-10-28
DE3000672A1 (en) 1980-07-24
NO794284L (en) 1980-07-15
NO150616C (en) 1984-11-14
FR2446443A1 (en) 1980-08-08
DE3000672C2 (en) 1989-02-09
GB2040031B (en) 1983-02-09
JPS638373B2 (en) 1988-02-22
GB2040031A (en) 1980-08-20
GB2098720A (en) 1982-11-24
IT8019051A0 (en) 1980-01-07
NL187769C (en) 1992-01-02
NL187769B (en) 1991-08-01
JPS55112933A (en) 1980-09-01
GB2098720B (en) 1983-04-27

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