EP2065641A3 - Method for operating a continuous flow steam generator and once-through steam generator - Google Patents

Method for operating a continuous flow steam generator and once-through steam generator Download PDF

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Publication number
EP2065641A3
EP2065641A3 EP07023081A EP07023081A EP2065641A3 EP 2065641 A3 EP2065641 A3 EP 2065641A3 EP 07023081 A EP07023081 A EP 07023081A EP 07023081 A EP07023081 A EP 07023081A EP 2065641 A3 EP2065641 A3 EP 2065641A3
Authority
EP
European Patent Office
Prior art keywords
steam generator
flow
mass flow
characteristic
evaporator
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Withdrawn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
EP07023081A
Other languages
German (de)
French (fr)
Other versions
EP2065641A2 (en
Inventor
Jan BRÜCKNER
Joachim Dr. Franke
Frank Thomas
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to EP07023081A priority Critical patent/EP2065641A3/en
Priority to PT88536644T priority patent/PT2212618E/en
Priority to PCT/EP2008/065522 priority patent/WO2009068446A2/en
Priority to ES08853664T priority patent/ES2402842T3/en
Priority to MYPI2010002487A priority patent/MY154744A/en
Priority to RU2010126182/06A priority patent/RU2010126182A/en
Priority to AU2008328934A priority patent/AU2008328934B2/en
Priority to CN200880116657.7A priority patent/CN102216685B/en
Priority to EP08853664A priority patent/EP2212618B1/en
Priority to BRPI0819844-6A priority patent/BRPI0819844A2/en
Priority to CA2706794A priority patent/CA2706794C/en
Priority to JP2010535331A priority patent/JP5318880B2/en
Priority to US12/743,881 priority patent/US9482427B2/en
Priority to PL08853664T priority patent/PL2212618T3/en
Priority to TW097145590A priority patent/TWI465674B/en
Priority to ARP080105181A priority patent/AR069453A1/en
Publication of EP2065641A2 publication Critical patent/EP2065641A2/en
Priority to ZA201001475A priority patent/ZA201001475B/en
Publication of EP2065641A3 publication Critical patent/EP2065641A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/38—Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Air Conditioning Control Device (AREA)
  • Central Heating Systems (AREA)

Abstract

Ein Verfahren zum Betreiben eines Durchlaufdampferzeugers mit einer Verdampferheizfläche (4), bei dem einer Vorrichtung zum Einstellen des Speisewassermassenstroms (Ṁ) ein Sollwert (Ṁ s) für den Speisewassermassenstrom (Ṁ) zugeführt wird, der anhand des Verhältnisses aus dem aktuell in der Verdampferheizfläche (4) vom Heizgas auf das Strömungsmedium übertragenen Wärmestrom einerseits und einer im Hinblick auf den gewünschten Frischdampfzustand vorgegebenen Soll-Enthalpieerhöhung des Strömungsmediums in der Verdampferheizfläche (4) andererseits vorgegeben wird, soll einen für die Durchführung des Verfahrens besonders geeigneter Zwangdurchlaufdampferzeuger (1, 1') angeben. Dazu wird erfindungsgemäß der vom Heizgas auf das Strömungsmedium übertragene Wärmestrom unter Berücksichtigung eines für die aktuelle Temperatur des Heizgases am Verdampfereintritt charakteristischen Temperaturkennwerts und eines für den aktuellen Massenstrom des Heizgases charakteristischen Massenstromkennwerts ermittelt.

Figure imgaf001
A method for operating a continuous steam generator having an evaporator heating surface (4), in which a setpoint value ( Ṁ s ) for the feedwater mass flow ( Ṁ ) is supplied to a device for adjusting the feedwater mass flow ( Ṁ ), which is determined from the ratio in the evaporator heating surface ((). 4), on the one hand, and a desired enthalpy increase of the flow medium in the evaporator heating surface (4) given by the hot gas to the flow medium, on the one hand, is intended to have a forced circulation steam generator (1, 1 ') which is particularly suitable for carrying out the method. specify. For this purpose, according to the invention, the heat flow transferred from the heating gas to the flow medium is determined taking into account a temperature characteristic value characteristic of the actual temperature of the heating gas at the evaporator inlet and a mass flow characteristic characteristic of the current mass flow of the heating gas.
Figure imgaf001
EP07023081A 2007-11-28 2007-11-28 Method for operating a continuous flow steam generator and once-through steam generator Withdrawn EP2065641A3 (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
EP07023081A EP2065641A3 (en) 2007-11-28 2007-11-28 Method for operating a continuous flow steam generator and once-through steam generator
BRPI0819844-6A BRPI0819844A2 (en) 2007-11-28 2008-11-14 Method of operation of a single pass steam generator and forced flow steam generator
CA2706794A CA2706794C (en) 2007-11-28 2008-11-14 Method for operating a once-through steam generator and forced-flow steam generator
ES08853664T ES2402842T3 (en) 2007-11-28 2008-11-14 Procedure for the operation of a steam generator as well as a steam generator
MYPI2010002487A MY154744A (en) 2007-11-28 2008-11-14 Method for operating a once-through steam generator and forced-flow steam generator
RU2010126182/06A RU2010126182A (en) 2007-11-28 2008-11-14 METHOD FOR OPERATION OF A DIRECT-LINE VAPOR GENERATOR AND A DIRECT CIRCULATION STEAM GENERATOR
AU2008328934A AU2008328934B2 (en) 2007-11-28 2008-11-14 Method for operating a once-through steam generator and forced-flow-once-through steam generator
CN200880116657.7A CN102216685B (en) 2007-11-28 2008-11-14 Method for operating a once-through steam generator and forced-flow steam generator
EP08853664A EP2212618B1 (en) 2007-11-28 2008-11-14 Method for operating a continuous flow steam generator and once-through steam generator
PT88536644T PT2212618E (en) 2007-11-28 2008-11-14 Method for operating a continuous flow steam generator and once-through steam generator
PCT/EP2008/065522 WO2009068446A2 (en) 2007-11-28 2008-11-14 Method for operating a once-through steam generator and forced-flow steam generator
JP2010535331A JP5318880B2 (en) 2007-11-28 2008-11-14 Method for operation of once-through boiler and forced once-through boiler
US12/743,881 US9482427B2 (en) 2007-11-28 2008-11-14 Method for operating a once-through steam generator and forced-flow steam generator
PL08853664T PL2212618T3 (en) 2007-11-28 2008-11-14 Method for operating a continuous flow steam generator and once-through steam generator
TW097145590A TWI465674B (en) 2007-11-28 2008-11-26 Method for operation a once-through steam generator and forced-flow steam generator
ARP080105181A AR069453A1 (en) 2007-11-28 2008-11-28 PROCEDURE FOR THE OPERATION OF A CONTINUOUS CIRCULATION STEAM GENERATOR, AS WELL AS FORCED CONTINUOUS CIRCULATION STEAM GENERATOR
ZA201001475A ZA201001475B (en) 2007-11-28 2010-03-01 Method for operating a once-through steam generator and forced-flow steam generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07023081A EP2065641A3 (en) 2007-11-28 2007-11-28 Method for operating a continuous flow steam generator and once-through steam generator

Publications (2)

Publication Number Publication Date
EP2065641A2 EP2065641A2 (en) 2009-06-03
EP2065641A3 true EP2065641A3 (en) 2010-06-09

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP07023081A Withdrawn EP2065641A3 (en) 2007-11-28 2007-11-28 Method for operating a continuous flow steam generator and once-through steam generator
EP08853664A Active EP2212618B1 (en) 2007-11-28 2008-11-14 Method for operating a continuous flow steam generator and once-through steam generator

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08853664A Active EP2212618B1 (en) 2007-11-28 2008-11-14 Method for operating a continuous flow steam generator and once-through steam generator

Country Status (16)

Country Link
US (1) US9482427B2 (en)
EP (2) EP2065641A3 (en)
JP (1) JP5318880B2 (en)
CN (1) CN102216685B (en)
AR (1) AR069453A1 (en)
AU (1) AU2008328934B2 (en)
BR (1) BRPI0819844A2 (en)
CA (1) CA2706794C (en)
ES (1) ES2402842T3 (en)
MY (1) MY154744A (en)
PL (1) PL2212618T3 (en)
PT (1) PT2212618E (en)
RU (1) RU2010126182A (en)
TW (1) TWI465674B (en)
WO (1) WO2009068446A2 (en)
ZA (1) ZA201001475B (en)

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EP2255076B1 (en) * 2008-02-26 2015-10-07 Alstom Technology Ltd Method for regulating a boiler and control circuit for a boiler
EP2194320A1 (en) 2008-06-12 2010-06-09 Siemens Aktiengesellschaft Method for operating a once-through steam generator and once-through steam generator
DE102010042458A1 (en) 2010-10-14 2012-04-19 Siemens Aktiengesellschaft Method for operating a combined cycle power plant and for the implementation of the method prepared gas and steam turbine plant and corresponding control device
DE102011004277A1 (en) * 2011-02-17 2012-08-23 Siemens Aktiengesellschaft Method for operating a directly heated solar thermal steam generator
DE102011076968A1 (en) 2011-06-06 2012-12-06 Siemens Aktiengesellschaft Method for operating a circulation heat recovery steam generator
EP2789813A1 (en) * 2013-04-10 2014-10-15 Siemens Aktiengesellschaft Method for flexible operation of a power plant assembly
DE102014206012A1 (en) * 2014-03-31 2015-10-01 Mtu Friedrichshafen Gmbh A method of controlling a vapor content of a working fluid heated in an evaporator of a system for conducting a thermodynamic cycle, a system control device, a thermodynamic cycle system, and an internal combustion engine and system arrangement
DE102014222682A1 (en) * 2014-11-06 2016-05-12 Siemens Aktiengesellschaft Control method for operating a continuous steam generator
CN104595884A (en) * 2015-01-29 2015-05-06 上海上电电力工程有限公司 Flue gas temperature rise system for forced circulation of drum boiler to maintain normal operation of SCR (Selective Catalytic Reduction)
US20170122133A1 (en) * 2015-11-02 2017-05-04 General Electric Company Steam turbine inlet temperature control system, computer program product and related methods
EP3647657A1 (en) 2018-10-29 2020-05-06 Siemens Aktiengesellschaft Feed water control for forced throughput by-product steam generator
WO2023247815A1 (en) * 2022-06-20 2023-12-28 Metso Metals Oy Arrangement and method for heat transfer evaluation

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Also Published As

Publication number Publication date
WO2009068446A2 (en) 2009-06-04
AU2008328934A1 (en) 2009-06-04
JP5318880B2 (en) 2013-10-16
CN102216685B (en) 2014-10-22
US20100288210A1 (en) 2010-11-18
AU2008328934B2 (en) 2013-05-23
PL2212618T3 (en) 2013-09-30
MY154744A (en) 2015-07-15
EP2065641A2 (en) 2009-06-03
RU2010126182A (en) 2012-01-10
EP2212618B1 (en) 2013-04-03
TW200936957A (en) 2009-09-01
ZA201001475B (en) 2010-10-27
BRPI0819844A2 (en) 2015-06-16
TWI465674B (en) 2014-12-21
ES2402842T3 (en) 2013-05-09
CA2706794A1 (en) 2009-06-04
AR069453A1 (en) 2010-01-20
PT2212618E (en) 2013-05-24
WO2009068446A3 (en) 2010-07-15
JP2011504996A (en) 2011-02-17
CN102216685A (en) 2011-10-12
US9482427B2 (en) 2016-11-01
CA2706794C (en) 2016-03-22
EP2212618A2 (en) 2010-08-04

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