EP2414731B1 - Verfahren zur verbesserung des dynamischen verhaltens eines kohlegefeuerten kraftwerkes bei primären und/oder sekundären anforderungen des elektrizitätsnetz-betreibers an die stromabgabe in das netz und kohlegefeuertes kraftwerk - Google Patents

Verfahren zur verbesserung des dynamischen verhaltens eines kohlegefeuerten kraftwerkes bei primären und/oder sekundären anforderungen des elektrizitätsnetz-betreibers an die stromabgabe in das netz und kohlegefeuertes kraftwerk Download PDF

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Publication number
EP2414731B1
EP2414731B1 EP10718437.6A EP10718437A EP2414731B1 EP 2414731 B1 EP2414731 B1 EP 2414731B1 EP 10718437 A EP10718437 A EP 10718437A EP 2414731 B1 EP2414731 B1 EP 2414731B1
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EP
European Patent Office
Prior art keywords
coal
coal dust
grinding
power plant
silo
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EP10718437.6A
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German (de)
English (en)
French (fr)
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EP2414731A1 (de
Inventor
Hellmuth Brueggemann
Olivier Drenik
Michael Heim
Haider Mirza
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General Electric Technology GmbH
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Alstom Technology AG
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Application filed by Alstom Technology AG filed Critical Alstom Technology AG
Priority to PL10718437T priority Critical patent/PL2414731T3/pl
Publication of EP2414731A1 publication Critical patent/EP2414731A1/de
Application granted granted Critical
Publication of EP2414731B1 publication Critical patent/EP2414731B1/de
Priority to HRP20161325TT priority patent/HRP20161325T1/hr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/02—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in parallel arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • F23C6/045—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure
    • F23C6/047—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure with fuel supply in stages
    • 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
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2201/00—Pretreatment of solid fuel
    • F23K2201/10—Pulverizing
    • F23K2201/1006—Mills adapted for use with furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2203/00—Feeding arrangements
    • F23K2203/10—Supply line fittings
    • F23K2203/103—Storage devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2203/00—Feeding arrangements
    • F23K2203/10—Supply line fittings
    • F23K2203/105—Flow splitting devices to feed a plurality of burners

Definitions

  • the invention relates to a method and arrangement for improving the dynamic behavior of a coal-fired power plant at primary and / or secondary requirements of the electricity grid operator to the power delivery to the grid.
  • Deviations from the specified mains frequency value occur especially when the power demand on the power plants connected to the electricity grid suddenly changes, for example because a power plant is disconnected from the grid due to an accident or a large consumer is switched on or because the network configuration or network distribution changes.
  • the primary control is still supported by the secondary control or secondary control power, which compensates for quasi-stationary deviations of both the frequency and the transfer capacity after the sudden adjustment of the power consumed or generated by the primary control.
  • coal-fired power plants are usually formed with coal dust firing in which the coal ground in the coal grinding plant are fed directly via pulverized coal pipes of the combustion chamber of the power plant (so-called "direct” coal dust firing).
  • direct coal dust firing The treatment of the fuel is one of the main factors for a good combustion, a good efficiency, low emissions and little unburned in the ash to use this by-product.
  • the coal grinding plant or coal mill must be in a stationary heat and mass flow equilibrium, which means that load changes to the pulverized coal firing and thus the power plant itself can be carried out only slowly and thus a delay occurs when made or required load changes ,
  • the delay time of the coal mill with changing fuel quantity or task is an essential part of the total system delay time.
  • the delay time of the coal mill can be long according to the raw coal preparation process (depending on fineness, moisture, hardness of the raw coal and the mill load) and therefore has an adverse effect on the delay time of the entire system.
  • the US 4,332,207 discloses the delivery of coal from a raw coal bunker and through a pulverizer directly into the furnace via burners.
  • the coal can be fed from an independent source through a variable feed into the furnace.
  • the object of the invention is therefore to provide a method for improving the dynamic behavior of a coal-fired power plant at primary and / or secondary requirements of the electricity network operator to the power delivery to the network, in which the delay time of coal dust firing of the power plant is reduced so that the power plant complies with the specifications or conditions of respective national electricity grid operators. It is a further object of the invention to provide an arrangement for improving the dynamic behavior of a coal-fired power plant at primary and / or secondary requirements of the electricity grid operator to the power delivery to the grid.
  • An advantageous embodiment of the invention provides that the storage volume V Sp having silo in normal operation of the indirect combustion system volume side in about half filled with coal dust for provision and use in increasing the primary and / or secondary requirements of the electricity network operator to the power delivery to the grid and the remaining storage volume is used to receive and store the excess coal dust produced while reducing the primary and / or secondary requirements of the electricity grid operator to the power delivery to the grid.
  • the increase or decrease of indirectly supplied amount of pulverized coal by a controlled increase or decrease in the throughput of the metering organs. This makes it possible to precisely address the needs or the dynamic behavior of the coal-fired power plant.
  • An advantageous embodiment provides to increase or reduce the volume flow of the conveying gas blower in a controlled manner when increasing or decreasing the amount of coal dust indirectly supplied. Thus, the smooth entry of coal dust is maintained in the combustion chamber.
  • the increase or decrease in the throughput of the metering organs and / or the increase or decrease in the volume flow of the delivery gas blower is effected by the affected by the requirements of the electricity grid block power control of the coal-fired power plant.
  • the primary requirement or the primary control is triggered by a remote-controlled signal.
  • the secondary requirement or the secondary control is also triggered by a remote-controlled signal.
  • the secondary requirement or the secondary regulation can also be triggered by written or verbal instruction to the operating personnel of the power plant.
  • the power generated In an electrical power system, the power generated must be constantly in balance with the load power. Changes in the load of the load or faults in power plants affect this balance and cause frequency deviations in the network to which the machines participating in the primary control or the primary demand react.
  • the primary control or equivalent primary demand ensures, due to its control behavior, the restoration of the balance between generated and consumed power within a few seconds, keeping the frequency within the permissible limits.
  • the secondary control or secondary demand comes into operation, the objective of which is to return the frequency to its desired value and the transfer rates to the agreed values and thus to have the entire activated primary control capacity available as a reserve again.
  • FIG. 1 shows the Interpretation of Primary and Secondary Control Performance and Primary and Secondary Response Values of the UK Electricity Grid Regulations (Grid Code UK), which are based on a Frequency Change of -0.5 Hz from the target frequency of the electricity grid has to be made.
  • the diagram of Fig. 1 indicates that a power plant connected to the electricity grid in accordance with the primary control P must react with a plant response within a period of time T Sp of 10 seconds and thereby the power plant output must be increased. The amount of power increase within this period T Sp depends on the load range with which the power plant is currently operating at the time of the frequency drop.
  • the British Electricity Network regulations set at a specified requested Minimum load (minimum generation) of 65% of the rated power RC (Registered Capacity) of the power plant determines that at this part load the power plant output must be increased within 10 seconds by 10% (percentage A P ) of the nominal power or capacity RC of the power plant ( please refer FIG. 2 ).
  • the abscissa shows the load range (in% of RC) of the power plant
  • the ordinate shows the primary and secondary control ranges (in% of the RC)
  • the power increase decreases linearly from 10% to 0.
  • FIG. 2 In the case of a frequency overrun or reduction of the primary and / or secondary requirements of the electricity network operator to the power delivery to the grid is in accordance with FIG. 2 It is planned to lower the power plant capacity in the partial load range between 95% and 70% of the nominal power of the power plant within 10 seconds by 10% of the nominal power RC of the power plant. Between the partial load ranges of 70% to 65% of the power plant rated power RC, the power reduction decreases linearly from 10% to approx. 6.5 and between 100% and the partial load range of 95% the power reduction increases linearly from approx. 5% to 10%.
  • FIG. 2 also indicates the minimum load (minimum generation MG) of the power plant required by the UK electricity grid, which is 65% of the rated power of the power plant.
  • FIG. 3 shows by way of example how these requirements set out in the British Electricity Grid Regulations can be met.
  • the furnace 1 of the power plant according to the invention and not shown, for example, with four coal grinding 2.1, 2.2, 2.3, 2.4 formed, all of which directly fire the combustion chamber of the power plant, not shown (direct firing or direct firing system), wherein at least one of the coal -Mahlanlagen 2.1, 2.2, 2.3, 2.4 is designed such that so that the combustion chamber instead indirectly fired directly (indirect firing or indirect firing system) can be, ie that at least one of the coal grinding 2.1, 2.2, 2.3, 2.4 next to direct firing system is additionally formed with an indirect firing system.
  • each coal grinding 2.1, 2.2, 2.3, 2.4 are served in each case a burner level and emanating from the respective coal grinding plants 2.1, 2.2, 2.3, 2.4 outgoing pulverized coal pipes 3.1, 3.2, 3.3, 3.4 each serve the burner, not shown in the respective Corners or side walls of the generally rectangular combustion chamber of the coal-fired power plant.
  • the feed devices 9.1, 9.2, 9.3, 9.4 located downstream of the delivery members 10 are supplied via a conveying gas line 11 with a conveying gas, for example air, which is supplied by a conveying gas blower 12 is introduced.
  • the feeder 15 may be, for example, an injector, a feed shoe, a dust pump or the like.
  • the separated in the separator 4 carrier gas or carrier air is discharged via a carrier gas discharge line 14 and fed to the atmosphere, where it is previously cleaned again in a Staubabscheidesystem.
  • the carrier gas may also be introduced into the combustion chamber or into the combustion chamber downstream flue passages of the coal-fired power plant instead of into the atmosphere and freed of dust in the existing dust collection system (e.g., E-filter, baghouse filter or the like) of the power plant.
  • each of the storage lines 7.1, 7.2, 7.3, 7.4 each have their own separator 4 and its own downstream silo 5, from which then depart the respective supply lines 9.1, 9.2, 9.3, 9.4.
  • the coal grinding plants 2.1, 2.2, 2.3 of the furnace 1 work according to FIG. 3 in such a way that the pulverized coal pulverized therein is fed directly to the combustion chamber for combustion via the respective pulverized coal pipes 3.1, 3.2, 3.3, 3.4.
  • coal grinding plant 2.4 which is an example (it may be any other grinding system instead of the grinding plant 2.4) in addition to the direct firing system is additionally formed with an indirect firing system, are in the coal dust lines 3.1, 3.2, 3.3, 3.4 respectively arranged pulverized coal Turnouts 6 and 13 are set such that the pulverized coal pulverized in the coal grinding plant 2.4 is not fed directly to the combustion chamber but via the silo 5 to the combustion chamber.
  • arranged in the supply lines 9.1, 9.2, 9.3, 9.4 metering organs 10 and feeders 15 in operation and conveying gas is provided by the conveying gas line 11 and the conveying gas blower 12 to the feeders 15.
  • the conveying gas takes in the feeders 15 each assigned by the metering organs 10 coal dust and promotes him into the combustion chamber.
  • the mode of operation of the grinding plant 2.4 is such that, as a rule, at the beginning of the operation, the grinding capacity of the grinding plant 2.4 compared to the grinding capacity of the grinding plant 2.1, 2.2, 2.3 or 2.3 compared to the current demand of the grinding capacity of the grinding plant 2.4 or compared to the instantaneous actual performance of the grinding plant 2.4 is increased to fill with the oversupply of crushed fuel, the storage volume V Sp having silo 5 volume side about half.
  • the grinding capacity of the grinding plant 2.4 is equalized with those of the grinding plant 2.1, 2.2, 2.3 or the current demand of the grinding capacity of the grinding plant 2.4.
  • the discharge or delivery rate of the metering elements 10 corresponds to the volume grinding performance of the grinding plant 2.4, ie after the filling process, the amount of pulverized coal from the silo 5 is discharged as produced by the grinding plant 2.4 and entered into the silo 5 , with smallest losses in the separator 4 are taken into account.
  • the block power control of the coal-fired power plant influenced, which substantially increases the amount of coal discharged through the metering elements 10 from the silo 5 and the combustion chamber indirectly supplied pulverized coal compared to the instantaneous actual performance or against the by the coal grinding plants 2.1, 2.2, 2.3 each supplied coal dust.
  • the current actual power refers to the power or the partial load with which the coal-fired power plant is currently operated and from which also the combustion chamber supplied amount of fuel and thus the respective throughput of the individual coal grinding 2.1, 2.2, 2.3, 2.4 is dependent ,
  • the coal grinding plant 2.4 downstream silo 5 is designed and formed with a corresponding capacity or storage volume V Sp for the coal dust to be stored.
  • exemplary four coal grinding plants 2.1, 2.2, 2.3, 2.4 are each formed with an indirect combustion system and thus with a silo 5 for storing coal dust. If, by way of example, two, three or all four coal grinding plants 2.1, 2.2, 2.3, 2.4 are additionally formed with an indirect firing system or an indirect firing system, then the entire required storage volume or the absorption capacity V Sp of pulverized coal can be reduced to the existing number of silos 5 or the storage volume V Sp are increased by the increased number of silos 5.
  • the storage volume V Sp of the silo 5 is designed such that during normal operation, ie at steady state, the storage volume V Sp of the silo 5 is filled in about half and thereby has stored enough coal dust, in the event of Frequency drop or a primary and / or secondary requirement of the electricity network operator to the power delivery to the network, ie a transient state, to bring an increased amount of pulverized coal in the combustion chamber to improve the dynamic behavior of the power plant.
  • the silo 5 must still have enough storage capacity to bring in the case of frequency exceeding or a primary and / or secondary requirement of the electricity network operator to the power delivery to the network, so again a transient state, a reduced amount of coal dust in the combustion chamber can and absorb the stored during the transient condition of the grinding plant 2.4 excess amount of coal dust in the silo 5 and store it.
  • the feeders 15 and the coal dust lines (feed lines 9.1, 9.2, 9.3, 9.4 and coal dust lines 3.1, 3.2, 3.3, 3.4) downstream of the silo or the silo 5 up to the Combustion chamber dimensionally appropriate to be formed in order to pass the required amounts of fuel in the required short time and to be able to supply the combustion chamber.
  • the conveying gas or carrying air required for this purpose is brought in by the conveying gas line 11 and regulated by means of the conveying gas blower 12.
  • FIG. 4 schematically shows the dynamic behavior of a direct and an indirect firing or of a direct and an indirect firing system of a coal-fired power plant. While the increase of the steam generator power from L 0 to L 1 in direct firing from t 0 requires the time t 2 , the increase of the same steam generator power in indirect firing from t 0 requires only the time t, and thus comes with an ideal, jump-shaped Increase within a time t 0 (step response) much closer.
  • Increasing the steam generator capacity from L 0 to L 1 represents a percentage A P of the power plant rated power RC, for example an increase of 10% of the power plant rated power RC.
  • the coal grinding 2.4 can be operated as a direct firing system by the coal dust switches 6 and 13 converted and the coal dust through the pulverized coal pipes 3.1, 3.2, 3.3, 3.4 is fed directly to the combustion chamber and the silo 5 and the allocating organs 10 and the feeders 15 thus bypassed (bypass). If further coal grinding plants 2.1, 2.2, 2.3 are additionally constructed with an indirect firing system, then one or more coal grinding plants can be converted to the operation as an indirect firing system by conversion of the pulverized coal switches 6 and 13 and thus the indirect firing system in maintenance temporarily replace the coal grinding plant 2.4.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
EP10718437.6A 2009-04-03 2010-03-19 Verfahren zur verbesserung des dynamischen verhaltens eines kohlegefeuerten kraftwerkes bei primären und/oder sekundären anforderungen des elektrizitätsnetz-betreibers an die stromabgabe in das netz und kohlegefeuertes kraftwerk Active EP2414731B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL10718437T PL2414731T3 (pl) 2009-04-03 2010-03-19 Sposób optymalizacji zachowania dynamicznego elektrowni opalanej węglem przy pierwotnych i/lub wtórnych wymogach administratora sieci elektrycznej dla odprowadzania prądu elektrycznego do tej sieci oraz elektrownia opalana węglem
HRP20161325TT HRP20161325T1 (hr) 2009-04-03 2016-10-12 Postupak za poboljšanje dinamičkog ponašanja elektrane na ugljen za primarne i / ili sekundarne zahtjeve operatera električne mreže s obzirom na trenutnu proizvodnju prema mreži i elektrana na ugljen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009016191A DE102009016191B4 (de) 2009-04-03 2009-04-03 Verfahren und Anordnung zur Verbesserung des dynamischen Verhaltens eines kohlegefeuerten Kraftwerkes bei primären und/oder sekundären Anforderungen des Elektrizitätsnetz-Betreibers an die Stromabgabe in das Netz
PCT/DE2010/000323 WO2010115396A1 (de) 2009-04-03 2010-03-19 Verfahren und anordnung zur verbesserung des dynamischen verhaltens eines kohlegefeuerten kraftwerkes bei primären und/oder sekundären anforderungen des elektrizitätsnetz-betreibers an die stromabgabe in das netz

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EP2414731A1 EP2414731A1 (de) 2012-02-08
EP2414731B1 true EP2414731B1 (de) 2016-07-13

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EP10718437.6A Active EP2414731B1 (de) 2009-04-03 2010-03-19 Verfahren zur verbesserung des dynamischen verhaltens eines kohlegefeuerten kraftwerkes bei primären und/oder sekundären anforderungen des elektrizitätsnetz-betreibers an die stromabgabe in das netz und kohlegefeuertes kraftwerk

Country Status (9)

Country Link
US (1) US20120122042A1 (zh)
EP (1) EP2414731B1 (zh)
CN (1) CN102388267B (zh)
DE (1) DE102009016191B4 (zh)
ES (1) ES2597961T3 (zh)
HR (1) HRP20161325T1 (zh)
HU (1) HUE029851T2 (zh)
PL (1) PL2414731T3 (zh)
WO (1) WO2010115396A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201114894D0 (en) * 2011-08-30 2011-10-12 Doosan Power Systems Ltd Combustion apparatus
DE102011053656A1 (de) * 2011-09-15 2013-03-21 Hitachi Power Europe Gmbh Verfahren zum Betrieb einer Feuerungsanlage eines kohlegefeuerten Kraftwerks
FR3016806B1 (fr) * 2014-01-28 2017-11-17 Electricite De France Procede de reduction des emissions de nox dans une centrale thermique a charbon.
WO2016020559A1 (es) * 2014-08-07 2016-02-11 Inerco Ingeniería, Tecnología Y Consultoría, S.A. Sistema de optimización de la combustión para calderas de combustible sólido pulverizado y caldera que incorpora dicho sistema
DE102016201182A1 (de) 2016-01-27 2017-07-27 Siemens Aktiengesellschaft Membranpumpe mit Staubansaugung von unten
DE102016216016A1 (de) 2016-08-25 2018-03-15 Siemens Aktiengesellschaft Herstellung eines porösen Aluminiumfilters für eine Membranpumpe
DE102016216012A1 (de) 2016-08-25 2018-03-01 Siemens Aktiengesellschaft Membranpumpe mit porösem, gewölbtem Aluminiumfilter
DE102016216006A1 (de) 2016-08-25 2018-03-01 Siemens Aktiengesellschaft Doppelmembran für eine Staubpumpe
CN117739359A (zh) * 2023-12-19 2024-03-22 华电电力科学研究院有限公司 燃煤机组给煤中断自动稳燃烧方法、装置、设备及介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332207A (en) * 1980-10-30 1982-06-01 Combustion Engineering, Inc. Method of improving load response on coal-fired boilers
DE3147083A1 (de) 1981-11-27 1983-06-09 Steag Ag, 4300 Essen Feuerungsanlage und verfahren zum betrieb der feuerungsanlage
WO1984001016A1 (en) * 1982-09-02 1984-03-15 Combustion Eng Supplying pulverized coal to a coal-fired furnace

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027835B (de) * 1954-12-23 1958-04-10 Steinkohlen Elek Zitaet Ag Verfahren zum Betreiben von Staubfeuerungen
PL152729B1 (en) * 1987-04-06 1991-01-31 Method of controlling operation of a power unit
CZ280159B6 (cs) * 1987-04-06 1995-11-15 Poludniowy Okreg Energetyczny Katowice Elektrownia Laziska Zařízení pro řízení energetického bloku
DE19521505B4 (de) * 1995-06-13 2004-07-01 Babcock Borsig Power Systems Gmbh Verfahren zum Verbrennen von Kohle mit weniger als 10 % flüchtigen Bestandteilen
US6418866B1 (en) * 1998-06-16 2002-07-16 Mitsubishi Heavy Industries, Ltd. Operating method of fluidized-bed incinerator and the incinerator
CN1328235A (zh) * 2000-06-13 2001-12-26 冯燧成 煤粉炉发电机组全烧煤矸石大幅度调峰技术
SK287642B6 (sk) * 2000-08-04 2011-05-06 Babcock-Hitachi Kabushiki Kaisha Horák na tuhé palivo a spôsob spaľovania horákom na tuhé palivo
DE10100331B4 (de) * 2001-01-05 2006-08-10 Alstom Power Boiler Gmbh Mühleneinrichtung und -Verfahren sowie Feuerungseinrichtung
CN100498060C (zh) * 2005-11-11 2009-06-10 南京科远控制工程有限公司 循环流化床锅炉燃烧优化控制方法
JP4363406B2 (ja) * 2006-02-07 2009-11-11 トヨタ自動車株式会社 内燃機関の空燃比制御装置
DE102008004400C5 (de) * 2008-01-14 2017-01-26 Babcock Borsig Steinmüller Gmbh Verfahren zur Dosierung von Kohlenstaub in eine Feuerungseinrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332207A (en) * 1980-10-30 1982-06-01 Combustion Engineering, Inc. Method of improving load response on coal-fired boilers
DE3147083A1 (de) 1981-11-27 1983-06-09 Steag Ag, 4300 Essen Feuerungsanlage und verfahren zum betrieb der feuerungsanlage
WO1984001016A1 (en) * 1982-09-02 1984-03-15 Combustion Eng Supplying pulverized coal to a coal-fired furnace

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Publication number Publication date
WO2010115396A1 (de) 2010-10-14
PL2414731T3 (pl) 2017-08-31
DE102009016191A1 (de) 2010-10-07
CN102388267A (zh) 2012-03-21
US20120122042A1 (en) 2012-05-17
CN102388267B (zh) 2014-05-07
ES2597961T3 (es) 2017-01-24
DE102009016191B4 (de) 2013-04-04
HUE029851T2 (en) 2017-04-28
EP2414731A1 (de) 2012-02-08
HRP20161325T1 (hr) 2016-11-18

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