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WO2010055025A1 - Procédé et dispositif de surveillance de la combustion dans une centrale sur la base de la distribution réelle de la concentration d'une substance - Google Patents

Procédé et dispositif de surveillance de la combustion dans une centrale sur la base de la distribution réelle de la concentration d'une substance Download PDF

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Publication number
WO2010055025A1
WO2010055025A1 PCT/EP2009/064887 EP2009064887W WO2010055025A1 WO 2010055025 A1 WO2010055025 A1 WO 2010055025A1 EP 2009064887 W EP2009064887 W EP 2009064887W WO 2010055025 A1 WO2010055025 A1 WO 2010055025A1
Authority
WO
WIPO (PCT)
Prior art keywords
combustion chamber
fuel
combustion
concentration distribution
type
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.)
Ceased
Application number
PCT/EP2009/064887
Other languages
German (de)
English (en)
Inventor
Bernhard Meerbeck
Rainer Speh
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Priority to US13/128,475 priority Critical patent/US20110287372A1/en
Priority to EP09763897.7A priority patent/EP2347179B1/fr
Priority to CN200980154274.3A priority patent/CN102272523B/zh
Publication of WO2010055025A1 publication Critical patent/WO2010055025A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/022—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium

Definitions

  • the invention relates to a method for monitoring the combustion in a combustion chamber of a power plant while measuring a real concentration distribution of a substance or a real temperature distribution in the
  • the invention relates to a device for monitoring the combustion in a combustion chamber of a power plant with a device for measuring a real concentration distribution of a substance or a real temperature distribution in the combustion chamber.
  • the basic objective is to use a combustion chamber of the power plant, such as a boiler with a square footprint of 10 meters by 10 meters
  • absorption spectroscopy is known.
  • sonic pyrometry is known. With absorption spectroscopy or sonic pyrometry, only mean values of a line in the boiler room or combustion chamber can be measured.
  • the CAT measuring technique For calculating the temperature and concentration distribution in a plane of a combustion chamber from measured average values at different locations of the combustion chamber of a power plant, the CAT measuring technique, computer aided tomography, is known.
  • the object is according to the invention with a method according to claim 1, a method according to claim 3, a
  • a method according to the invention for monitoring the combustion in a combustion chamber of a power plant comprises the steps of: measuring a real temperature distribution in the combustion chamber and
  • a first embodiment of a combustion monitoring apparatus in a combustion chamber of a power plant comprises means for measuring a real concentration distribution of a substance in the combustion chamber and means for inferring on the type of fuel based on the measured real concentration distribution.
  • a device according to the invention for monitoring the combustion in a combustion chamber of a power plant comprises means for measuring a real temperature distribution in the combustion chamber and means for inferring on the type of fuel based on the measured real temperature distribution.
  • the basic idea of the invention lies in the fact that characteristic distributions, in particular known types of coal, of characteristic distributions, in particular two-dimensional distributions, can be determined for the concentration of at least one substance in the exhaust gas and / or for the temperature in the combustion chamber.
  • characteristic distributions in particular known types of coal
  • characteristic distributions can be determined for the concentration of at least one substance in the exhaust gas and / or for the temperature in the combustion chamber.
  • a recognition of the type of fuel and in particular the type of coal is possible.
  • the recognized species or variety can then be taken into account in the regulation of combustion and in particular in the automatic switching of control parameters, such as the excess air, advantageously for reducing pollutant emissions and for reducing fuel consumption.
  • “substance” generally means any type of combustion product, in particular in the form of gas as a component of the exhaust gas.
  • fuel is understood to mean any type of material which is incinerated in power plants. For the presently particularly relevant coal-fired power plants, these are different types of coal or different types of coal.
  • a comparison with at least one stored characteristic concentration pattern of the substance or a stored characteristic temperature pattern takes place when inferring on the type of fuel.
  • the inference to the type of fuel takes place simultaneously with the measurement. So it is not necessarily a sequential procedure when measuring concentration / s and the temperature and more
  • Fig. 2 shows an embodiment of the method according to the invention.
  • a combustion chamber 10 of a not further illustrated coal power plant is shown in which burns a coal fire during operation of the coal power plant.
  • the combustion chamber 10 are the fuel coal with associated fuel gases, multiple flames 11 and exhaust gases.
  • two measuring planes 12 and 14 are provided horizontally and parallel to each other, at the Peripheral edge spaced from each other several measuring instruments 16 are located.
  • two of the measuring instruments 16 allow a linear measurement in the associated measuring plane 12 or 14, wherein the concentration of the substances O2 (oxygen) and CO (carbon monoxide) can be measured with the aid of the measuring instruments 16 and an associated evaluation device 18.
  • the temperature distribution in the associated measuring plane 12 or 14 can be determined with the measuring instruments 16 and the evaluation device 18.
  • the measurement is based on a combination of measurement technology and CAT calculation.
  • the evaluation device 18 is operationally coupled via a data bus 20 with an optimizing device 22, an operating device 24 and a guide or control system 26.
  • an optimizing device 22 By means of the operating device 24, the real concentration distributions measured by the evaluation device 18 and temperature distributions in the planes 12 and 14 can be used for the optimization device 22 to deduce therefrom the type of combustion material currently burned in the combustion chamber 10, in this case the local type of coal.
  • the type of fuel is determined in order to optimize the burning in the combustion chamber 10 flames 11, in particular with regard to a low emission of NO x (nitrogen oxide).
  • the optimizer 22 uses stored, characteristic patterns of the concentrations of said substances in the exhaust gas and the temperature, which have been determined with reference fuel and stored in the optimizer 22.
  • the real measured distributions of the concentration and the temperature become with these patterns compared and recognized with the comparison of similarities.
  • the associated method is illustrated in FIG. It comprises the step 28 of measuring the concentration distribution z. As the substances O 2 and CO and the temperature distribution in the plane 12. In step 30, the concentration distribution z. B. the substances O 2 and CO in the plane 14 and the local temperature distribution measured. In step 32, as explained above, the concentration distribution and the temperature distribution in the planes 12 and 14 are evaluated in such a way that the nature of the fuel in the combustion chamber 10 can be deduced.
  • step 34 an optimization of the combustion, for example, by a change in the air stratification and / or a section-wise changing the excess air.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour la surveillance de la combustion dans une centrale. Une distribution réelle de la concentration d'une substance et/ou une distribution réelle de la température est mesurée dans la chambre de combustion et des conclusions sur la nature de la matière combustible sont formulées sur la base de la distribution réelle de la concentration ou de la distribution réelle de la température, une comparaison étant faite entre une distribution de la concentration ou une distribution de la température de la substance déterminée à l'aide d'un échantillon de matière combustible et la distribution réelle de la concentration ou la distribution réelle de la température mesurée.
PCT/EP2009/064887 2008-11-11 2009-11-10 Procédé et dispositif de surveillance de la combustion dans une centrale sur la base de la distribution réelle de la concentration d'une substance Ceased WO2010055025A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/128,475 US20110287372A1 (en) 2008-11-11 2009-11-10 Method and Device for Monitoring the Combustion Process in a Power Station on the Basis of an Actual Concentration Distribution of a Material
EP09763897.7A EP2347179B1 (fr) 2008-11-11 2009-11-10 Procédé et dispositif de surveillance de la combustion dans une centrale sur la base de la distribution réelle de la concentration et la température d'une substance
CN200980154274.3A CN102272523B (zh) 2008-11-11 2009-11-10 用于根据物质实际的浓度分布监测发电站燃烧的设备和方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008056674A DE102008056674A1 (de) 2008-11-11 2008-11-11 Verfahren und Vorrichtung zum Überwachen der Verbrennung eines Kraftwerks auf der Grundlage einer realen Konzentrationsverteilung eines Stoffes
DE102008056674.8 2008-11-11

Publications (1)

Publication Number Publication Date
WO2010055025A1 true WO2010055025A1 (fr) 2010-05-20

Family

ID=42084487

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/064887 Ceased WO2010055025A1 (fr) 2008-11-11 2009-11-10 Procédé et dispositif de surveillance de la combustion dans une centrale sur la base de la distribution réelle de la concentration d'une substance

Country Status (5)

Country Link
US (1) US20110287372A1 (fr)
EP (1) EP2347179B1 (fr)
CN (1) CN102272523B (fr)
DE (1) DE102008056674A1 (fr)
WO (1) WO2010055025A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20120457A1 (it) * 2012-05-25 2013-11-26 Eltek Spa Dispositivo di controllo per rubinetti di gas
US9448201B2 (en) * 2013-03-29 2016-09-20 Rosemount Analytical, Inc. In situ probe with improved diagnostics and compensation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999039137A1 (fr) * 1998-01-30 1999-08-05 Siemens Aktiengesellschaft Procede et dispositif pour faire fonctionner une installation de combustion
WO2007062019A2 (fr) * 2005-11-22 2007-05-31 Clean Combustion Technologies Llc Procede et systeme de combustion

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134738A (en) * 1978-04-10 1979-01-16 Foster Wheeler Energy Corporation Automated poking system for coal gasifier
US5367470A (en) * 1989-12-14 1994-11-22 Exergetics Systems, Inc. Method for fuel flow determination and improving thermal efficiency in a fossil-fired power plant
US5790420A (en) * 1989-12-14 1998-08-04 Lang; Fred D. Methods and systems for improving thermal efficiency, determining effluent flows and for determining fuel mass flow rates of a fossil fuel fired system
US5010827A (en) * 1990-05-08 1991-04-30 Wyerehaeuser Company Apparatus for detecting carryover particles in the interior of a furnace
DE19509412C2 (de) * 1995-03-15 1997-01-30 Siemens Ag Verfahren und Vorrichtung zur Feuerungsregelung einer Dampferzeugeranlage
DE19532539A1 (de) * 1995-09-04 1997-03-20 Heinz Prof Dr Ing Spliethoff Verfahren zur Überwachung einer Kraftwerksleistungsfeuerung
US5993194A (en) * 1996-06-21 1999-11-30 Lemelson; Jerome H. Automatically optimized combustion control
US7039555B2 (en) * 1998-03-24 2006-05-02 Exergetic Systems Llc Method for detecting heat exchanger tube failures and their location when using input/loss performance monitoring of a recovery boiler
EP1171834B8 (fr) * 1998-03-24 2005-03-23 Exergetic Systems, LLC Méthode d'alimentation/perte pour déterminer le flux de combustible, composition chimique, pouvoir calorifique et potentiel d'un système thermique alimenté par un combustible fossile
DE19841877A1 (de) * 1998-09-11 2000-04-20 Siemens Ag Verfahren und Vorrichtung zur Ermittlung der Rußbeladung eines Verbrennungsraums
US6227842B1 (en) * 1998-12-30 2001-05-08 Jerome H. Lemelson Automatically optimized combustion control
US6138588A (en) * 1999-08-10 2000-10-31 Abb Alstom Power Inc. Method of operating a coal-fired furnace to control the flow of combustion products
US6468069B2 (en) * 1999-10-25 2002-10-22 Jerome H. Lemelson Automatically optimized combustion control
KR100812491B1 (ko) * 2001-03-02 2008-03-11 포위텍 인텔리전트 테크놀로지스 게엠베하 열역학적 과정을 제어하기 위한 방법
EP1391655A1 (fr) * 2002-08-16 2004-02-25 Powitec Intelligent Technologies GmbH Méthode de surveillance d'une procédé thermodynamique
US7194382B2 (en) * 2004-02-06 2007-03-20 Georgia Tech Research Corporation Systems and methods for detection of combustor stability margin
US7010461B2 (en) * 2004-02-09 2006-03-07 General Electric Company Method and system for real time reporting of boiler adjustment using emission sensor data mapping
CA2599160A1 (fr) * 2005-02-25 2006-08-31 Zhen Jia Procede et systeme de combustion
US7661327B2 (en) * 2005-07-12 2010-02-16 John Frank Bourgein Method and system for dynamic sensing, presentation and control of combustion boiler conditions
US7328132B2 (en) * 2006-03-17 2008-02-05 Exergetic Systems, Llc Input/Loss Method using the genetics of fossil fuels for determining fuel chemistry, calorific value and performance of a fossil-fired power plant
US7865271B2 (en) * 2006-11-02 2011-01-04 General Electric Company Methods and systems to increase efficiency and reduce fouling in coal-fired power plants

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999039137A1 (fr) * 1998-01-30 1999-08-05 Siemens Aktiengesellschaft Procede et dispositif pour faire fonctionner une installation de combustion
WO2007062019A2 (fr) * 2005-11-22 2007-05-31 Clean Combustion Technologies Llc Procede et systeme de combustion

Also Published As

Publication number Publication date
US20110287372A1 (en) 2011-11-24
EP2347179A1 (fr) 2011-07-27
CN102272523A (zh) 2011-12-07
DE102008056674A1 (de) 2010-05-12
EP2347179B1 (fr) 2017-08-09
CN102272523B (zh) 2015-11-25

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