WO1998023853A1 - Verfahren zur optimierung des betriebes von fossil befeuerten kraftwerksanlagen - Google Patents
Verfahren zur optimierung des betriebes von fossil befeuerten kraftwerksanlagen Download PDFInfo
- Publication number
- WO1998023853A1 WO1998023853A1 PCT/EP1997/006466 EP9706466W WO9823853A1 WO 1998023853 A1 WO1998023853 A1 WO 1998023853A1 EP 9706466 W EP9706466 W EP 9706466W WO 9823853 A1 WO9823853 A1 WO 9823853A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- measures
- efficiency
- operating
- economic
- costs
- Prior art date
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
- F01K13/00—General layout or general methods of operation of complete plants
- F01K13/02—Controlling, e.g. stopping or starting
Definitions
- the invention relates to a method for optimizing fossil-fired power plants.
- the invention is therefore based on the object of specifying a method with which power plant systems can be operated in an economically optimal manner.
- the potential of the respective system should be used in the best possible way by optimizing the operating mode.
- the object is achieved according to the invention in that the economic benefit of measures to improve the efficiency of the system and, moreover, the necessary economic effort is determined, and that depending on the comparison of the economic benefit and the economic effort of or for improvement measures, it is decided whether, when and / or which improvement measures are to be carried out.
- the improvement measures are changes in the operating sequence and / or interventions during operation or maintenance, retrofitting and / or conversion measures when the plant is out of operation.
- the operational sequence without downtime it is e.g.
- it is advantageous to intervene in the system control for example to blow soot or to correct the excess air, etc., but taking into account and taking into account the effort required for this, for example how high the steam consumption, according to the invention (or compressed air consumption) of the soot blowers used, so that an estimate can be made as to whether the efficiency improvement measures are economically sensible and, if this is not the case, may not be carried out or only later.
- the current state of the plant is compared with the state achievable by operational means on the basis of measured values provided by a process control system and calculations based on plant models.
- improvement measures are economically evaluated according to a graduated catalog of measures.
- the catalog of measures preferably includes an immediate intervention in the operational sequence, for example to correct the excess air, but also with regard to the soot blowing of selected or all heating surfaces, a condenser cleaning or also the adjustment or readjustment of injection control loops.
- the cost reduction by reducing the excess air to increase costs by increasing the reheater (ZU) injection can be related or evaluated.
- ZU reheater
- sootblowers when sootblowers are used, the costs for air and compressed air can be compared with the costs saved due to the reduced exhaust gas loss.
- the actual efficiencies are advantageously determined from measured operating values and calculated values.
- the information about the process status is preferably provided by a process control system. It is particularly advantageous if the calculation of the operating values includes system model calculations.
- Plant models are preferably combustion calculations, fire chamber model, boiler model, models of the water-steam cycle, these operating values preferably being based on measured operating values, for example air and / or flue gas values and current values. These calculated and / or measured operating values allow the determination of key figures such as boiler or System efficiency beyond statements, inter alia, about the state of contamination of individual heating surfaces in the boiler.
- Operating optimization systems which operate in particular using computers and computer programs according to the method according to the invention, are preferably independent of the process control system of the system. The process control system only provides the measured values required for the evaluation and operating value calculations.
- the determination of the increased operating costs of the current driving style compared to the economically optimal plant operation is preferably achieved by iterative optimization calculations.
- the method according to the invention is preferably suitable for saving primary energy by uncovering and utilizing operating reserves of the respective system.
- the method according to the invention can also be used with great advantage for the following applications:
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/319,107 US6230495B1 (en) | 1996-11-27 | 1997-11-19 | Method for optimizing fossil-fueled power stations |
CA002273182A CA2273182A1 (en) | 1996-11-27 | 1997-11-19 | Method for optimizing fossil-fueled power stations |
EP97951244A EP0941396A1 (de) | 1996-11-27 | 1997-11-19 | Verfahren zur optimierung des betriebes von fossil befeuerten kraftwerksanlagen |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19649184 | 1996-11-27 | ||
DE19649184.3 | 1996-11-27 | ||
DE19748315.1A DE19748315B4 (de) | 1996-11-27 | 1997-10-31 | Verfahren zur Optimierung des Betriebes von fossil befeuerten Kraftwerksanlagen |
DE19748315.1 | 1997-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998023853A1 true WO1998023853A1 (de) | 1998-06-04 |
Family
ID=26031665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/006466 WO1998023853A1 (de) | 1996-11-27 | 1997-11-19 | Verfahren zur optimierung des betriebes von fossil befeuerten kraftwerksanlagen |
Country Status (4)
Country | Link |
---|---|
US (1) | US6230495B1 (de) |
EP (1) | EP0941396A1 (de) |
CA (1) | CA2273182A1 (de) |
WO (1) | WO1998023853A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6591225B1 (en) * | 2000-06-30 | 2003-07-08 | General Electric Company | System for evaluating performance of a combined-cycle power plant |
US7275025B2 (en) * | 2000-12-27 | 2007-09-25 | General Electric Company | Method and system for analyzing performance of a turbine |
US6735490B2 (en) | 2001-10-12 | 2004-05-11 | General Electric Company | Method and system for automated integration of design analysis subprocesses |
US7050943B2 (en) * | 2001-11-30 | 2006-05-23 | General Electric Company | System and method for processing operation data obtained from turbine operations |
US20050171704A1 (en) * | 2004-01-29 | 2005-08-04 | Lewis Bradley M. | Method for the automated quantification of power production, resource utilization and wear of turbines |
JP4115958B2 (ja) * | 2004-03-26 | 2008-07-09 | 株式会社東芝 | プラントの運転スケジュール最適化方法および最適化システム |
US7974826B2 (en) * | 2005-09-23 | 2011-07-05 | General Electric Company | Energy system modeling apparatus and methods |
CN102841983B (zh) * | 2012-08-10 | 2015-11-18 | 南京南瑞继保电气有限公司 | 一种工业窑炉热效率在线监测方法 |
US9477214B2 (en) * | 2013-03-07 | 2016-10-25 | General Electric Company | Plant control systems and methods |
CN103279652B (zh) * | 2013-05-13 | 2016-03-30 | 浙江大学 | 一种基于蜂群行为的dna遗传算法的复杂化工过程建模方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4996951A (en) * | 1990-02-07 | 1991-03-05 | Westinghouse Electric Corp. | Method for soot blowing automation/optimization in boiler operation |
EP0573140A2 (de) * | 1992-05-06 | 1993-12-08 | Honeywell Inc. | Wirtschaftliche Echtzeitleistungszuordnung |
US5347466A (en) * | 1991-07-15 | 1994-09-13 | The Board Of Trustees Of The University Of Arkansas | Method and apparatus for power plant simulation and optimization |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4069675A (en) * | 1976-03-16 | 1978-01-24 | Measurex Corporation | Method of optimizing the performance of a multi-unit power |
US4454840A (en) * | 1983-07-14 | 1984-06-19 | The Babcock & Wilcox Company | Enhanced sootblowing system |
US4466383A (en) * | 1983-10-12 | 1984-08-21 | The Babcock & Wilcox Company | Boiler cleaning optimization with fouling rate identification |
-
1997
- 1997-11-19 EP EP97951244A patent/EP0941396A1/de not_active Withdrawn
- 1997-11-19 CA CA002273182A patent/CA2273182A1/en not_active Abandoned
- 1997-11-19 WO PCT/EP1997/006466 patent/WO1998023853A1/de not_active Application Discontinuation
- 1997-11-19 US US09/319,107 patent/US6230495B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4996951A (en) * | 1990-02-07 | 1991-03-05 | Westinghouse Electric Corp. | Method for soot blowing automation/optimization in boiler operation |
US5347466A (en) * | 1991-07-15 | 1994-09-13 | The Board Of Trustees Of The University Of Arkansas | Method and apparatus for power plant simulation and optimization |
EP0573140A2 (de) * | 1992-05-06 | 1993-12-08 | Honeywell Inc. | Wirtschaftliche Echtzeitleistungszuordnung |
Non-Patent Citations (1)
Title |
---|
A.C. SOMMER AND R.S. RAND: "Industrial Powerhouse System Coordination", ISA TRANSACTIONS., vol. 24, no. 4, 1985, PITTSBURGH US, pages 63 - 71, XP002058618 * |
Also Published As
Publication number | Publication date |
---|---|
US6230495B1 (en) | 2001-05-15 |
CA2273182A1 (en) | 1998-06-04 |
EP0941396A1 (de) | 1999-09-15 |
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