EP0243801A1 - Cycle combiné gaz et vapeur avec lit fluidisé - Google Patents

Cycle combiné gaz et vapeur avec lit fluidisé Download PDF

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Publication number
EP0243801A1
EP0243801A1 EP87105588A EP87105588A EP0243801A1 EP 0243801 A1 EP0243801 A1 EP 0243801A1 EP 87105588 A EP87105588 A EP 87105588A EP 87105588 A EP87105588 A EP 87105588A EP 0243801 A1 EP0243801 A1 EP 0243801A1
Authority
EP
European Patent Office
Prior art keywords
fluidized bed
combustion chamber
fuel
combustion
gas
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.)
Granted
Application number
EP87105588A
Other languages
German (de)
English (en)
Other versions
EP0243801B1 (fr
Inventor
Wolfgang Dipl.-Ing. Schemenau
Jürgen Ing. grad. Bennert
Dietrich Dr. Ing. Ceelen
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.)
ASEA BROWN BOVERI AKTIENGESELLSCHAFT
Original Assignee
Brown Boveri und Cie AG Germany
Asea Brown Boveri AG Germany
BBC Brown Boveri AG Germany
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 Brown Boveri und Cie AG Germany, Asea Brown Boveri AG Germany, BBC Brown Boveri AG Germany filed Critical Brown Boveri und Cie AG Germany
Priority to AT87105588T priority Critical patent/ATE48673T1/de
Publication of EP0243801A1 publication Critical patent/EP0243801A1/fr
Application granted granted Critical
Publication of EP0243801B1 publication Critical patent/EP0243801B1/fr
Expired legal-status Critical Current

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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
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/061—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with combustion in a fluidised bed

Definitions

  • the invention relates to a method for generating electrical energy according to the preamble of patent claim 1.
  • the invention also relates to a combined gas turbine steam power plant for carrying out the method according to the preamble of patent claim 2.
  • a system of this type has become known from the prior art, in which steam is generated with the aid of a vortex-fired burner and is fed to a steam turbine (US Pat. No. 4,387,560).
  • the steam is released and the power output is fed to an electrical generator to generate electricity.
  • the associated gas turbine plant is simultaneously sucked ambient air through a compressor order e-g and compacted in an in Fluidized bed combustion arranged heat exchanger it heats, heated in a downstream combustion chamber and then fed to a gas turbine that drives another electric generator.
  • a fuel gas which is generated from the solid fuel of the fluidized bed.
  • the object of the invention is therefore to provide a method or a plant of the type mentioned, in which the fuel gas can be produced from the fuel of the fluidized bed furnace with little effort and therefore inexpensively.
  • the fuel gas required to operate the combustion chamber is thus generated in the fluidized bed. This simplifies the process and eliminates the need for special measures for gas generation and for transporting the fuel from the location of the gas generation into the combustion chamber of the fluidized bed furnace. Especially It should also be emphasized that no special measures are required in order to supply the heat required for the gasification or degassing.
  • the fluidised bed has a stationary fluidized bed having a defined surface, the fuel gas line of the Rajfeuerun g to the combustion chamber of the fluidized bed to be connected.
  • the connection is preferably made above the fuel supply point in an area that adjoins the fuel supply upwards and has a vertical extension of 1/5 to 1/15 of the vertical thickness of the fluidized bed.
  • the fluidized bed itself has a thickness in the vertical direction which is approximately 30 to 60% of the clear height of the combustion chamber.
  • the fuel gas uniformly g from Gasification or Entgasun withdraw szone, it is recommended that the fuel gas passage in the gasification or degassing by a plurality of openings which are preferably running in a plane and distributed approximately uniformly on the periphery of the combustion chamber, is connected to the combustion chamber.
  • the fuel gas line is connected to a ring line surrounding the combustion chamber, which in turn has connections to the openings have g s.
  • the circulation channel seen in circulating direction, downstream of the fuel feed point a combustion gas collector in the form of a haubenarti g en extension of the circulation channel comprises, connected to the combustion chamber for fuel gas supply is.
  • a particularly preferred development of the invention consists in that a stationary second fluidized bed with a fluidized bed with a defined surface is inserted into the circulation channel, into which part of the fluidized bed combustion fuel can be fed, and which contains a low-oxygen gas, preferably exhaust gas from the fluidized bed combustion, as the fluidizing medium and can be supplied for at least partial degassing of the fuel.
  • a second fluidized bed is inserted as Brennstoffent g aser Betrie will.
  • the heat required for the degassing is introduced into the second fluidized bed by the hot ash and / or slag particles circulating in the circulation channel, while the fluidized bed is generated by the supplied oxygen-poor gas.
  • a very expedient embodiment of the above teachings, that optimizes the fuel gas generation, is that above the second fluidized bed a connected to the combustion chamber Brennaassammelraum prior g ESE hen is that, seen in the circulating direction, entering the second fluidized bed part of the circulation channel in the fluidized bed ends that the part of the circulation channel leading from the second fluidized bed is connected to at least one overflow weir which laterally delimits the fluidized bed and the height of which determines the vertical thickness of the fluidized bed.
  • solid, small-sized fuel preferably hard coal, lignite or oil shale with a grain size of 0.5 to 15 mm
  • a conveyor above a horizontal nozzle bottom 18 arranged in the lower end region at the fuel supply point 20 by means of a line 13.
  • the distance between the nozzle base 18 and the fuel supply point 20 is approximately 1/20 to 1/5 of the vertical thickness of the fluidized bed 14, preferably 1/8 to 1/5.
  • the fuel is suitably mixed with additives such as dolomite or limestone Beth Solo Sharingi g em to sulfur components, which are introduced with the fuel in the combustion chamber, during the Verbrennungsvoraanges bind in the fluidized bed to.
  • the nozzle base 18 arranged in the lower region of the combustion chamber 12 has a multiplicity of openings through which the combustion air or the fluidizing air is fed to the fluidized bed.
  • a deduction for ash portions is not shown in the drawings, which leads downward from the nozzle bottom 18 into the outside space.
  • At the top of the firebox 12 is connected to an exhaust gas duct 19, which leads to a chimney (not shown) through an exhaust gas purification system 21, which contains dedusters, cleaners and, if necessary, a denitrification device for removing nitrogen oxides.
  • a heat exchanger 22 for. B. in the form of coils, in the combustion chamber 12 before g e-see, which is connected on the one hand by the pipe 24 to the pressure side of the outside air compressor 26 of the gas turbine system and on the other hand is connected by a pipe 28 to the inlet of the expansion turbine 30 .
  • the combustion chamber 32 is inserted into the pipeline 28. In the combustion chamber 32, the air is heated directly, ie mixed with the hot flue gases, and then fed to the turbine 30.
  • the fuel gas for the gas burner 36 which is part of the combustion chamber, is removed from the combustion chamber 12 of the fluidized bed furnace through the combustion gas line 44.
  • at least one opening 45 is provided in the combustion chamber wall.
  • the opening 45 is expediently arranged in the region of the horizontal fuel supply plane.
  • the opening 45 is circular and has a diameter that is equal to 1/20 to 1/10 of the diameter of the combustion chamber.
  • the fuel supply level runs through the fuel supply point 20; the opening 45 is arranged in a region which has a vertical extent which is equal to 1/5 to 1/15 of the vertical thickness of the fluidized bed 14.
  • a ring line preferably runs around the vertical combustion chamber wall and stands with several approximately evenly distributed on the firebox wall Openings 45 in connection. The openings are in a horizontal plane.
  • the fuel gas line 44 is then connected to the ring line.
  • the ring line is not shown in Figure 1.
  • a filter device 42 is inserted into the fuel gas line 44. The solids retained in the filter device are fed back to the fluidized bed furnace.
  • the fuel gas cleaned in the filter device 42 is compressed in a compressor 35 and fed into the gas burner 36 and burned in the combustion chamber 34 of the combustion chamber 32.
  • the output of the turbine 30 is defined by the burning of g s-air line 46 with that of the space 25 g Wirbel Anlagenfeue- run connected, which is located below the nozzle plate 18 and a vertical height has, which is equal to 1/4 to 1/5 of the vertical thickness of the fluidized bed 14.
  • the suction side of the compressor 26 is through a Ansau g- line 48 connected to the environment 50th
  • the shaft of the compressor 26 is coupled to the shaft of the turbine 30, and the shaft of a generator 52 is also coupled, which converts the excess energy into electrical current.
  • the steam power plant shown in a very simplified form in FIG. 1 has an evaporator 54 which is arranged in or possibly above the fluidized bed 14 and receives feed water from a feed water pump 58 through a pipeline 56.
  • the steam generated is fed to a high-pressure steam turbine 60, partially expanded there and fed to the reheater 40 through the pipeline 62. This is in the upper end rich of the combustion chamber 12 above the heat exchanger 22 and the fluidized bed 14.
  • the evaporator 54 and the reheater 40 are preferably formed as coils.
  • the reheated steam is fed through the pipe 64 of the low pressure steam turbine 66, laid here and then in a capacitor 68 g liquefier si t.
  • the condensate is fed to the feed water pump 58 so that the circuit is closed.
  • the two turbines 60 and 66 are coupled with their shafts and drive an electric generator 70.
  • ambient air is sucked in, compressed by the compressor 26 through the suction line 48, advantageously through a filter, and supplied to the heat exchanger 22 through the pipe 24.
  • this compressed air is heated by the flue gases of the fluidized bed furnace and fed through the pipeline 28 via the combustion chamber 32 to the turbine 30.
  • the heated air is expanded and then through the burning of s Kunststofftechnisch g 46 as combustion air to the room 25 and thus the fluidized bed 14 is supplied. Since the combustion air still has an overpressure of approximately 0.2 to 1 bar, the combustion air swirls the fuel and thus the formation of the fluidized bed 14 is achieved.
  • the compressed air in the heat exchanger 22 can only be heated to a correspondingly low temperature of approximately 500 to 750 ° C. which, however, is too low for economical operation of the turbine 30. Therefore, this air is after after leaving the heat exchanger 22 in the combustion chamber 32 is heated further, to the extent necessary for optimal operation of the turbine 30 and as permitted for operation of the turbine with regard to its mechanical strength.
  • the air in the combustion chamber is heated to a temperature of approximately 900 to 1000 ° C.
  • the combustion chamber 32 is fired by at least one gas burner 36, the as effet be fuel gas through the fuel 44 g of fluidized bed combustion takes.
  • the fuel gas passage is closed e-44 in a zone of the fluidized bed 14 in the combustion chamber of g, is formed in the locking or by degasification of the solid fuel, such as lump coal, gaseous fuel. This zone is usually located directly above the level in which the solid fuel is supplied at the feed point 20.
  • the fuel gas produced contains, inter alia, CH 4 , CO, H 2 and N 2 and Co 2 .
  • the compressed air flowing in from the heat exchanger 22 is further heated, mixed with the combustion exhaust gases, and supplied to the turbine 30.
  • this mixture containing oxygen becomes combustion air and swirl air through the combustion air line 46 into the space 25 initiated.
  • the air flows up through the openings in the nozzle base 18, swirls the fuel and thus causes the formation of the fluidized bed 14.
  • the fluidized bed 14 accordingly consists of the swirled fuel which burns completely in the fluidized bed.
  • the required solid fuel is introduced into the combustion chamber 12 together with the additives, such as dolomite or lime, through a line at the fuel supply point 20.
  • Burnt-out components of the fuel such as ash, are drawn off through a line (not shown).
  • the exhaust gases flow in the combustion chamber upwardly passed to the individual heat exchangers 54, 22, 40 heat, and will be run by the Abgasmat- g 19 in the form of a pipe on the exhaust gas purification system 21 led to a not shown chimney.
  • the mechanical energy emitted by the turbine 30 serves to drive the compressor 26, the remaining energy is converted into electrical current in the electrical generator 52.
  • the feed water supplied is evaporated and overheated in the evaporator 54 in a known manner and the high pressure steam which is produced is fed to the high pressure turbine 60.
  • the steam in the reheater 40 is again overheated and fed through the pipeline 64 to the low-pressure steam turbine 66, expanded and liquefied in the condenser 68.
  • the energy obtained is released as electrical energy from generator 70 to a power grid.
  • FIG. 2 shows the area of the fluidized bed furnace 10 of FIG. 1 in one embodiment variant and as a detail. Recurring individual parts in FIG. 2 are provided with the corresponding reference numbers in FIG. 1, which are expanded by the amount 100.
  • the fluidized bed furnace according to Figure 2 which is provided in its entirety by the reference numeral 110, has a likewise vertically extending combustion chamber 112 with a preferably circular cross-section, in which the evaporator 154 of the Dampfkraftanla g s, the heat exchanger 122 for heating the compressed air and the reheater 140 of the steam power plant are arranged one above the other.
  • a nozzle plate 118 is arranged here as well, which now ⁇ ff- g s the combustion chamber with the space 125 disposed thereunder connect.
  • the burning of g s-air line 146 which supplies from the expansion turbine, the expanded mixture of combustion exhaust gas and air as the combustion air of the fluidized bed ends.
  • the supply point 120 for supplying the fuel to the combustion chamber 112 can still be seen.
  • a discharge line for burned-out fuel is not shown for the sake of clarity. This would be from Lead the lower area of the combustion chamber 112 outwards.
  • the upper end region of the combustion chamber 112 is connected to the lower end region by a circulation channel 72 running outside the combustion chamber 112.
  • the circulation channel preferably has a circular cross section.
  • the cross-section is approximately 10 to 25% of the cross section of the combustion chamber 112.
  • the circulation passage has a portion 74 which lacks horizontally from the upper end of the combustion chamber 112 and into a Z y klonab- separator 76 opens.
  • the exhaust gas guide 119 is connected to the central and upward leading pipe of the z y clone separator, which leads to the exhaust gas purification system, not shown in FIG. 2.
  • a vertically running section 78 of the circulation channel 72 is connected to the lower, tapering region of the conical cyclone separator 76, which section passes through an arc 80 into a section 82 leading to the combustion chamber 112.
  • This portion 82 extends in this case with a slope from the bow 80 to the combustion chamber 112 towards and opens in the vicinity of the nozzle plate 118, preferably directly above the nozzle floor in the combustion chamber 112.
  • the arc has an angle of about 110 to 130 0th
  • the air flows through the nozzle base 118 into the combustion chamber 112 and swirls the small-sized fuel supplied at the supply point 120, a fluidized bed is formed which fills the entire combustion chamber 112 and which causes the fuel to burn completely.
  • the fluidized bed formed in the combustion chamber 112 and consisting of fuel particles circulates starting from the upper end area of the combustion chamber 112, through the circulation channel 72 down into the area directly above the nozzle base 118, it is therefore a circulating fluidized bed.
  • the exhaust gases are separated from the solid components in the cyclone separator 76 and drawn off through the exhaust gas guide 119.
  • a feed point 84 for fluidized bed fuel prior g ESE hen In the portion 82 of the circulation channel, seen in circulating direction (arrow 86) to the sheet 80, a feed point 84 for fluidized bed fuel prior g ESE hen.
  • the feed point 84 is arranged on the top of the section 82. Downstream of the feed point, an upwardly extending, hood-like extension 87 of the section 82 is arranged in its immediate vicinity, at the highest point of which the fuel gas line 144 leading to the combustion chamber 32 of the gas turbine system is connected to the removal point 145 in the form of an opening.
  • the fuel gas line 144 contains a filter device 142 and a compressor 135.
  • the combustion chamber is not shown.
  • the extension 87 has a height and a maximum width, which is approximately 2 to 3 times the diameter of the circulation channel 72.
  • the expanded rejuvenated Terun g 87 upwardly to a point at which the fuel gas line is connected 144th
  • the fuel supplied at the feed point 84 is not degassed Wirbel Anlagenminuteun g s-fuel, in particular small-sized coal, by the direction of arrow 86 circulating in the circulation channel of the circulating coke and ash particles We entrained and heated.
  • a gasification or devolatilization is carried out of this fuel, the resulting combustion gas thereby accumulate in the hood-like extension 87 and is drawn off through the fuel gas passage 144 and the combustor of the gas turbine supplied nenanla g e.
  • the degassed residues of the supplied fuel are then introduced together with the coke and ash particles into the combustion chamber 112, where they burn together with the fuel supplied at the fuel supply point 120.
  • the circulation of the fluidized bed through the combustion chamber 112 and the circulation channel 72 is brought about by the mixture of combustion chamber exhaust gas and air containing oxygen supplied by means of the combustion air line 146, which mixture enters the combustion chamber 112 from the chamber 125 through the nozzle floor 118. This mixture also causes combustion in the combustion chamber.
  • FIG. 3 shows the area of the sections 78, 82 and the arch 80 of the circulation channel in accordance with Figure 2 as a starting Guide e g s distinction and as a detail in a larger representation lun g.
  • Individual parts of FIG. 2 also contained in FIG. 3 have reference numerals in FIG. 3, which are enlarged by an amount of 100 compared to FIG.
  • a stationary second fluidized bed 102 For the production of fuel gas by degassing Wirbel Anlagenun g s-combustion material in the region of the arc of the circulation channel inserted 180,172 a stationary second fluidized bed 102, which operates similarly as the fluidized bed 14 of FIG 1.
  • the second fluidized bed 102 in a vertical space 90 preferably with a circular cross section, in the lower area of which a horizontally arranged nozzle base 92 is provided with a plurality of openings.
  • a space 94 is provided which opens into the tubing 96, and g do with the interposition of a blower or a compressor to the exhaust system of the system having the reference numeral 19 in Figure 1, is connected.
  • the connection is preferably made after the intended exhaust gas cleaning system. This is not shown in Figure 3.
  • the vertically extending straight section 186 of the circulation channel 172 is introduced, preferably centrally, to such an extent that the mouth of the section 186 lies in the stationary second fluidized bed 102 and is at a distance from the nozzle bottom 92 which is approximately 1/2 to 1 / 4 of the vertical thickness of the fluidized bed 102.
  • This stationary second fluidized bed is located directly above the nozzle base 92 and has a defined surface 100.
  • the section 182 of the circulation duct which leads back to the combustion chamber of the steam generator with a gradient is connected to a vertical side wall of the chamber 90. That vertical region of the side wall which is located between the connection point 106 of the section 182 and the nozzle base 92 forms an overflow weir 104.
  • the height of the overflow weir 104 determines the vertical thickness of the stationary second fluidized bed 102, or the thickness of this fluidized bed can be selected by a corresponding height of the overflow weir.
  • the upper end portion of the space 90 forms a fuel gas collection chamber 108.
  • fuel gas line is connected at least one ⁇ ff- now 244 g at the donor site 245 in shape.
  • a filter device 242 together with compressor 235 is advantageously connected into the fuel gas line 244.
  • Immediately above the nozzle base 92 is the feed point 116 for fuel to the space 90, through which fluidized bed fuel can be supplied to the second fluidized bed 102.
  • the circulation duct 172 is flowed through by circulating ash and coke components of the fluidized bed furnace. These enter the space 90 through the section 186 and, starting from the nozzle bottom 92, fill the space 90 up to the connection point 106, flow over the overflow weir 104 and are then inclined through the section 182 to the combustion chamber of the fluidized bed firing of the steam generator ( see FIG. 1).
  • the height of the vertically extending overflow weir 104 determines the thickness of the layer which forms on the nozzle bottom 92 and which forms the fluidized bed 102. It should be noted here that section 186 of the circulation channel in the fluidized bed 102 is immersed and discharges there.
  • fluidized bed firing fuel intended for fuel gas generation is introduced into the second fluidized bed 102.
  • low-oxygen gas with an oxygen content of at most 5 vol%, preferably exhaust gas, which is taken from the exhaust gas duct 19 of the fluidized bed furnace of the steam generator, is fed through the pipeline 96, so that the fuel introduced cannot burn, but is only degassed . Since the second fluidized bed 102 is switched into the circulation channel 172 of the fluidized bed firing of the steam generator, the heat required for degassing the fuel is introduced into the second fluidized bed 102 by the circulating hot ash and coke particles.
  • the resulting fuel gas flows upward in the combustion gas collection space 108, where it is withdrawn through the fuel gas passage 244 and through the filter means 242 and the compressor the combustion chamber of Gasturbinenanla e g as a fuel gas supplied to the 235th
  • the degassed fuel flows together with the ash and coke particles of the circulation channel 172 through the section 182 of the fluidized-bed firing used to generate steam.
  • fuel is then directly into the fluidized bed of the ferzeu Damp g ers introduced.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
EP87105588A 1986-04-19 1987-04-15 Cycle combiné gaz et vapeur avec lit fluidisé Expired EP0243801B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87105588T ATE48673T1 (de) 1986-04-19 1987-04-15 Kombinations-gas-dampfturbinenanlage mit wirbelschichtfeuerung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863613300 DE3613300A1 (de) 1986-04-19 1986-04-19 Verfahren zum erzeugen von elektrischer energie mit einer eine wirbelschichtfeuerung aufweisenden kombinierten gasturbinen-dampfkraftanlage sowie anlage zur durchfuehrung des verfahrens
DE3613300 1986-04-19

Publications (2)

Publication Number Publication Date
EP0243801A1 true EP0243801A1 (fr) 1987-11-04
EP0243801B1 EP0243801B1 (fr) 1989-12-13

Family

ID=6299089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105588A Expired EP0243801B1 (fr) 1986-04-19 1987-04-15 Cycle combiné gaz et vapeur avec lit fluidisé

Country Status (5)

Country Link
US (2) US4845942A (fr)
EP (1) EP0243801B1 (fr)
JP (1) JPS62255535A (fr)
AT (1) ATE48673T1 (fr)
DE (2) DE3613300A1 (fr)

Cited By (1)

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EP0329155A1 (fr) * 1988-02-18 1989-08-23 A. Ahlstrom Corporation Système et méthode de production d'énergie avec turbine à gaz intégrée

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DE3907217A1 (de) * 1989-03-07 1990-09-13 Steinmueller Gmbh L & C Verfahren zum betreiben eines kombinierten gasturbinen-/dampfturbinen-prozesses
US4911107A (en) * 1989-06-09 1990-03-27 The Babcock & Wilcox Company Standby cooling system for a fluidized bed boiler
US5236354A (en) * 1991-03-18 1993-08-17 Combustion Power Company, Inc. Power plant with efficient emission control for obtaining high turbine inlet temperature
US5190451A (en) * 1991-03-18 1993-03-02 Combustion Power Company, Inc. Emission control fluid bed reactor
US5255507A (en) * 1992-05-04 1993-10-26 Ahlstrom Pyropower Corporation Combined cycle power plant incorporating atmospheric circulating fluidized bed boiler and gasifier
US5239946A (en) * 1992-06-08 1993-08-31 Foster Wheeler Energy Corporation Fluidized bed reactor system and method having a heat exchanger
DE4224958A1 (de) * 1992-07-24 1994-01-27 Ver Energiewerke Ag Verfahren und Anordnung zum Betrieb eines Kombikraftwerkes
DE4236512C2 (de) * 1992-10-26 2001-05-10 Ver Energiewerke Ag Verfahren zum Betrieb eines Kombikraftwerkes, wobei Rauchgas eines Kessels mit einer unterstöchiometrisch in vergaserähnlichem Betrieb gefahrenen Wirbelschichtfeuerung gereinigt, mit der Zuführung von Reinluft nachverbrannt und einer Gasturbine zugeführt wird
DE4227146A1 (de) * 1992-08-18 1994-02-24 Saarbergwerke Ag Verfahren zur Erzeugung von Energie in einer kombinierten Gas-Dampfkraftanlage
CA2102637A1 (fr) * 1992-11-13 1994-05-14 David H. Dietz Reacteur a lit fluidise en mouvement associe a un systeme de generation cyclique de courant
US5285629A (en) * 1992-11-25 1994-02-15 Pyropower Corporation Circulating fluidized bed power plant with turbine fueled with sulfur containing fuel and using CFB to control emissions
DE4307167C2 (de) * 1993-03-06 2002-06-27 Llb Lurgi Lentjes Energietechn Verfahren zur Herstellung eines Brenngases zur Verfeuerung in einer Brennkammer
JP2733188B2 (ja) * 1993-06-18 1998-03-30 川崎重工業株式会社 加圧型ガス化炉による石炭直接燃焼ガスタービン複合発電システム
DE4409057C2 (de) * 1994-03-11 2001-05-17 Ver Energiewerke Ag Verfahren zum Betrieb einer druckaufgeladenen zirkulierenden mit Braunkohle betriebenen Wirbelschichtfeuerung für ein Kombikraftwerk
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US5469698A (en) * 1994-08-25 1995-11-28 Foster Wheeler Usa Corporation Pressurized circulating fluidized bed reactor combined cycle power generation system
US5666801A (en) * 1995-09-01 1997-09-16 Rohrer; John W. Combined cycle power plant with integrated CFB devolatilizer and CFB boiler
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CN1297732C (zh) * 1999-12-21 2007-01-31 西门子公司 汽轮机装置的运行方法以及按此方法工作的汽轮机装置
US6430914B1 (en) * 2000-06-29 2002-08-13 Foster Wheeler Energy Corporation Combined cycle power generation plant and method of operating such a plant
US6843058B1 (en) * 2002-09-23 2005-01-18 Joseph Frank Pierce, Jr. Method for making gypsum and zinc sulfide
US7267698B1 (en) 2002-09-23 2007-09-11 Pierce Jr Joseph Frank Method for producing hydrogen
US6886340B1 (en) * 2002-09-23 2005-05-03 Joseph Frank Pierce, Jr. Method for converting waste into electricity
EP2094970B1 (fr) * 2006-11-17 2017-01-11 Summerhill Biomass Systems, Inc. Combustibles en poudre, leurs dispersions, et dispositifs de combustion y relatifs
US9039407B2 (en) 2006-11-17 2015-05-26 James K. McKnight Powdered fuel conversion systems and methods
US20080148739A1 (en) * 2006-12-22 2008-06-26 Paul Marius A Fluidized bed heavy fuel combustor
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FR2994249B1 (fr) * 2012-08-06 2018-09-07 Degremont Procede et installation de production d'electricite a partir de dechets fermentescibles, en particuler de boues de station d'epuration
CN108397250B (zh) * 2018-03-14 2019-02-26 浙江城建煤气热电设计院有限公司 一种低温余热发电装置

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EP0243801B1 (fr) 1989-12-13
US4845942A (en) 1989-07-11
DE3613300A1 (de) 1987-10-22
US4901521A (en) 1990-02-20
JPS62255535A (ja) 1987-11-07
ATE48673T1 (de) 1989-12-15
DE3761156D1 (de) 1990-01-18

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