DE4408635A1 - Method for adding esp. crude lignite to fluid bed firing - Google Patents

Method for adding esp. crude lignite to fluid bed firing

Info

Publication number
DE4408635A1
DE4408635A1 DE19944408635 DE4408635A DE4408635A1 DE 4408635 A1 DE4408635 A1 DE 4408635A1 DE 19944408635 DE19944408635 DE 19944408635 DE 4408635 A DE4408635 A DE 4408635A DE 4408635 A1 DE4408635 A1 DE 4408635A1
Authority
DE
Germany
Prior art keywords
air
coal
fluidized bed
reactor
arrangement
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
DE19944408635
Other languages
German (de)
Other versions
DE4408635C2 (en
Inventor
Kurt Dipl Ing Stroeer
Dieter Dr Ing Koritz
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.)
VEAG Vereinigte Energiewerke AG
Original Assignee
VEAG Vereinigte Energiewerke 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 VEAG Vereinigte Energiewerke AG filed Critical VEAG Vereinigte Energiewerke AG
Priority to DE19944408635 priority Critical patent/DE4408635C2/en
Priority to PCT/EP1995/000395 priority patent/WO1995024591A1/en
Priority to AU16648/95A priority patent/AU1664895A/en
Publication of DE4408635A1 publication Critical patent/DE4408635A1/en
Application granted granted Critical
Publication of DE4408635C2 publication Critical patent/DE4408635C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/508—Sulfur oxides by treating the gases with solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81—Solid phase processes
    • B01D53/82—Solid phase processes with stationary reactants
    • 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 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
    • F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
    • 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 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/16—Fluidised bed combustion apparatus specially adapted for operation at superatmospheric pressures, e.g. by the arrangement of the combustion chamber and its auxiliary systems inside a pressure vessel
    • 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 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/18—Details; Accessories
    • F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
    • 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
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2201/00—Pretreatment of solid fuel
    • F23K2201/50—Blending
    • F23K2201/505—Blending with additives
    • 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
    • F23K2900/00—Special features of, or arrangements for fuel supplies
    • F23K2900/03001—Airlock sections in solid fuel supply lines

Abstract

The method involves a mixture of dust and air formed in a metering device being fed into and/or over the turbulent fluid bed (26). A lignite conveyor pipe is incorporated from the top into the reactor and connected with a conveyor and immersion pipe leading as far as the fluid bed. The lignite conveyor pipe is incorporated in a metering container arrangement which has a container possessing a fluid bed (26) with air pipe (15).

Description

Die Erfindung betrifft ein Verfahren und eine Anordnung zur Zufuhr von vorgebrochener Kohle, insbesondere Rohbraunkohle in eine zirkulierende druckaufgeladene Wirbelbettfeuerung.The invention relates to a method and an arrangement for Supply of pre-crushed coal, especially raw lignite in a circulating pressure-charged fluidized bed furnace.

Die Zufuhr von vorgebrochener Rohbraunkohle in eine zirkulierende druckaufgeladene Wirbelbettfeuerung erfolgt im allgemeinen über eine Brennstoffaufgabe und -dosierung direkt am Umfang in das Wirbelbett (z. B. DE 36 19 141, DE 37 26 643, 40 07 635, 40 29 065, 41 05 227).The supply of pre-crushed raw brown coal in one circulating pressure-charged fluidized bed firing takes place generally via fuel feed and metering directly on the circumference into the fluidized bed (e.g. DE 36 19 141, DE 37 26 643, 40 07 635, 40 29 065, 41 05 227).

Um eine gleichmäßige Verteilung im Wirbelbett zu erreichen, sind erhebliche technische und/oder technologische Maßnahmen erforderlich.In order to achieve an even distribution in the fluidized bed, are significant technical and / or technological Measures required.

Auch die Zuführung des Brennstoffes über einen Wirbelschacht weist zwar fördertechnische Vorteile auf, jedoch ist die Betriebsführung äußerst aufwendig.Also the supply of fuel through one Vortex shaft has advantages in terms of conveyor technology, however, the operational management is extremely complex.

Der Erfindung liegt die Aufgabe zugrunde, die Rohbraunkohle ohne besondere Fördermittel in das Wirbelbett einzutragen.The invention is based, the raw lignite the task without entering special funds in the fluidized bed.

Dies wird dadurch erreicht, daß erfindungsgemäß die Kohle mittels Schwerkraftförderung als einen quasi Dickstoffstrom in den Reaktor eingebracht und auf einen Förderweg bis in den Bereich des Wirbelbettes geführt wird.This is achieved in that the coal according to the invention by means of gravity feed as a quasi thick material flow introduced into the reactor and on a conveyor path up to the area of the fluidized bed is guided.

Zur Realisierung ist die Kohle-Förderleitung von oben in den Reaktor eingebunden und mit einem bis in den Bereich des Wirbelbettes geführten Förder- und Tauchrohres verbunden.To achieve this, the coal conveyor line is in from above the reactor integrated and with one up into the area of the fluidized bed conveying and immersion pipe connected.

An einem Ausführungsbeispiel wird die Erfindung näher erläutert. Die Zeichnung zeigt die zirkulierende druckaufgeladene Wirbelbettfeuerung im Prinzip.The invention is illustrated in more detail using an exemplary embodiment explained. The drawing shows the circulating Pressure-charged fluidized bed firing in principle.

Der Wirbelbettdruckbehälter 1 mit der Wirbelbettfeuerung 2 weist die Luftzufuhr 3 mit Lüfter 4 auf. Die Wirbelbettfeuerung 2 besitzt den Düsenboden 5 mit den Luftdüsen 6 sowie die Brenngasableitung 7. The fluidized bed pressure vessel 1 with the fluidized bed combustion 2 has the air supply 3 with fan 4 . The fluidized bed combustion 2 has the nozzle base 5 with the air nozzles 6 and the fuel gas discharge line 7 .

Oberhalb und/oder seitlich vom Wirbelbettdruckbehälter 1 sind die Brennstoffbehälter 8.1 . . . 8.n angeordnet. Die Brennstoffbehälter 8 besitzen die Brennstoffzufuhr 9 mit Schleuse 10 und die Additivleitung 11. In der Kohletransportanlage 28 ist der Vorbrecher mit Siebanlage 12 eingeordnet. Der Brennstoffbehälter 8 weist den Düsenboden 13 sowie die Luftkammer 14 mit der Luftleitung 15 auf, in der der Lüfter 16 eingeordnet ist. Im Oberteil 17 des Brennstoffbehälters 8 besteht die Luft/Staub-Leitung 18. Die Luft/Staub-Leitung 18 weist die Einbindung 19 als Primär-, Sekundär-, oder Tertiärluftleitung in den Düsenboden 5 und/oder die Einbindung 20 mit Regler 21 als Abbrandluftleitung auf. Unmittelbar oberhalb des Düsenbodens 13 ist das Brennstoffrohr 22 mit Regler 23 und Tauchrohr 24 mit der Einmündung 25 in den Bereich des Wirbelbettes 26 angeordnet.The fuel tanks 8.1 are above and / or to the side of the fluidized bed pressure tank 1 . . . 8. n arranged. The fuel tanks 8 have the fuel supply 9 with lock 10 and the additive line 11 . The primary crusher with screening plant 12 is arranged in the coal transport plant 28 . The fuel tank 8 has the nozzle base 13 and the air chamber 14 with the air line 15 , in which the fan 16 is arranged. In the upper part 17 of the fuel tank 8 there is the air / dust line 18 . The air / dust line 18 has the connection 19 as a primary, secondary or tertiary air line in the nozzle base 5 and / or the connection 20 with controller 21 as a combustion air line. Immediately above the nozzle base 13 , the fuel tube 22 with the regulator 23 and the immersion tube 24 with the junction 25 in the region of the fluidized bed 26 is arranged.

Die Wirkungsweise ist folgende:
Brennstoff 27 wird über die Kohletransportanlage 28 dem Brecher 12 zugeführt und entsprechend zerkleinert. Die zerkleinerte Kohle 29 gelangt über die Schleuse 10 in den Brennstoffbehälter 8. Gleichzeitig wird Additiv 30 über die Additivleitung 11 zugeleitet. Das so eingebrachte Brennstoff-Additiv-Gemisch wird durch Druckluft 31 oberhalb des Düsenbodens 13 aufgelockert und fließfähig gehalten. Die Auflockerungsluft 32 gelangt nach dem Fließbett 33 als Verbrennungswirbelbettluft 34 in den Düsenboden 5 und/oder über die Einbindung 20 und den Regler 21 als Abbrandluft 35 in die Wirbelbettfeuerung 2. Das aufgelockerte, fließfähige Brennstoff-Additiv-Gemisch 36 im Brennstoffbehälter 8 gelangt in das Brennstoffrohr 22, von dort über den Regler 23 zur Brennstoff-Lastregelung der Wirbelbettfeuerung 2 in das Tauchrohr 24. Über die Einmündung 25 wird das Gemisch 36 direkt in das Wirbelbett 26 zugeführt. The mode of action is as follows:
Fuel 27 is fed to the crusher 12 via the coal transport system 28 and comminuted accordingly. The shredded coal 29 reaches the fuel tank 8 via the lock 10 . At the same time additive 30 is supplied via the additive line 11 . The fuel-additive mixture thus introduced is loosened by compressed air 31 above the nozzle base 13 and kept flowable. The loosening air 32 arrives after the fluidized bed 33 as combustion fluidized bed air 34 in the nozzle base 5 and / or via the integration 20 and the controller 21 as combustion air 35 into the fluidized bed furnace 2 . The loosened, flowable fuel-additive mixture 36 in the fuel tank 8 enters the fuel pipe 22 , from there via the regulator 23 for the fuel load control of the fluidized bed combustion 2 into the immersion pipe 24 . Via the mouth 25 , the mixture 36 is fed directly into the fluidized bed 26 .

Zur Aufrechterhaltung eines kontinuierlichen Brennstoffstromes zum Wirbelbett werden die entsprechenden Brennstoffbehälter 8.1; 8.2; 8.n beladen, gespannt und entleert. Der Druck in den Brennstoffbehältern 8 ist größer als der Druck in dem Wirbelbettdruckbehälter 1. Die Beladung des Brennstoffbebehälters 8.1 erfolgt im drucklosen Zustand. Nach der Kohleaufladung wird die Brennstoff- und Additivzufuhr druckfest abgesperrt und der Brennstoffbehälter mit Druckluft 31 aufgeladen und danach entleert. Der Zyklus Laden, Spannen, Entleeren wird entsprechend gesteuert.To maintain a continuous flow of fuel to the fluidized bed, the corresponding fuel tank 8.1 ; 8.2 ; 8. n loaded, tensioned and emptied. The pressure in the fuel tanks 8 is greater than the pressure in the fluidized bed pressure tank 1 . The fuel tank 8.1 is loaded in the depressurized state. After the coal has been charged, the fuel and additive supply is shut off in a pressure-resistant manner and the fuel tank is charged with compressed air 31 and then emptied. The cycle loading, clamping, emptying is controlled accordingly.

BezugszeichenlisteReference list

1 Wirbelbettdruckbehälter
2 Wirbelbettfeuerung
3 Luftzufuhr
4 Lüfter
5 Düsenboden
6 Luftdüse
7 Brenngasableitung
8.1 . . . 8.n Brennstoffbehälter
9 Brennstoffzufuhr
10 Schleuse
11 Additivleitung
12 Siebanlage
13 Düsenboden
14 Luftkammer
15 Luftleitung
16 Lüfter
17 Oberteil
18 Luft/Staub-Leitung
19 Einbindung
20 Einbindung
21 Regler
22 Brennstoffrohr
23 Regler
24 Tauchrohr
25 Einmündung
26 Wirbelbett
27 Brennstoff
28 Kohletransportanlage
29 Kohle
30 Additiv
31 Druckluft
32 Auflockerungsluft
33 Fließbett
34 Verbrennungswirbelbettluft
35 Abbrandluft
36 Brennstoff-Additiv-Gemisch 1 fluidized bed pressure vessel
2 fluidized bed firing
3 air supply
4 fans
5 nozzle bases
6 air nozzle
7 Fuel gas discharge
8.1 . . . 8 .n fuel tank
9 Fuel supply
10 lock
11 Additive line
12 screening plant
13 nozzle base
14 air chamber
15 air line
16 fans
17 top
18 Air / dust line
19 integration
20 involvement
21 controllers
22 fuel pipe
23 controller
24 dip tube
25 confluence
26 fluidized bed
27 fuel
28 coal transport system
29 coal
30 additive
31 compressed air
32 loosening air
33 fluid bed
34 Combustion fluidized bed air
35 combustion air
36 Fuel additive mixture

Claims (10)

1. Verfahren zur Zufuhr von vorgebrochener Kohle, insbesondere Rohbraunkohle, in eine zirkulierende druckaufgeladene Wirbelbettfeuerung, wobei Kohle über eine Zuteileinrichtung in den Reaktor eingebracht wird, gekennzeichnet dadurch, daß die Kohle mittels Schwerkraftförderung als ein quasi Dickstoffstrom in den Reaktor eingebracht und auf einen Förderweg bis in den Bereich des Wirbelbettes geführt wird.1. A method for supplying pre-crushed coal, in particular raw lignite, in a circulating pressure-charged fluidized bed combustion, coal being introduced into the reactor via an allotment device, characterized in that the coal is introduced into the reactor as a quasi-thick material stream by gravity conveying and onto a conveying path up to is led into the area of the fluidized bed. 2. Verfahren nach Anspruch 1, gekennzeichnet dadurch, daß die Rohbraunkohle in einer Zuteilbehälter-Anordnung durch Luft aufgelockert geladen, gespannt und abgefördert wird.2. The method according to claim 1, characterized in that the raw lignite in an allocation container arrangement Air is loosened, tensioned and transported away. 3. Verfahren nach Anspruch 1 und 2, gekennzeichnet dadurch, daß die in die Zuteilbehälter-Anordnung eingebrachte Luft als Primär-, Sekundär-, Tertiär- und/oder Ausbrandluft in den Reaktor eingebracht wird.3. The method according to claim 1 and 2, characterized in that that the air introduced into the hopper assembly as primary, secondary, tertiary and / or burnout air in the reactor is introduced. 4. Anordnung nach Anspruch 1 bis 3, gekennzeichnet dadurch, daß ein in der Zuteilbehälter-Anordnung gebildetes Staub-Luft-Gemisch unter, in und/oder über das Wirbelbett eingebracht wird.4. Arrangement according to claim 1 to 3, characterized in that that one formed in the hopper assembly Dust-air mixture under, in and / or over the fluidized bed is introduced. 5. Verfahren nach Anspruch 1, gekennzeichnet dadurch, daß mit der Kohle ein Additiv in die Zuteilbehälter-Anordnung eingebracht wird.5. The method according to claim 1, characterized in that with the coal an additive in the allocation container arrangement is introduced. 6. Anordnung zur Zufuhr von gebrochener Kohle, insbesondere Rohbraunkohle, in eine zirkulierende druckaufgeladene Wirbelbettfeuerung, wobei eine Kohle-Förderleitung über eine Zuteilereinrichtung in den Reaktor eingebunden ist, gekennzeichnet dadurch, daß die Kohle-Förderleitung von oben in den Reaktor einge­ bunden und mit einem bis in den Bereich des Wirbelbettes geführten Förder- und Tauchrohres verbunden ist. 6. Arrangement for supplying broken coal, in particular Raw lignite, in a circulating pressure-charged Fluidized bed firing, with a coal conveyor line over an allocation device is integrated in the reactor, characterized by that the coal delivery line from above into the reactor tied and with one to the area of the fluidized bed guided delivery and immersion tube is connected.   7. Anordnung nach Anspruch 6, gekennzeichnet dadurch, daß die Kohle-Förderleitung in eine Zuteilbehälter-Anordnung eingebunden ist, deren Behälter mit einem eine Luftleitung aufweisenden Wirbelboden versehen sind.7. Arrangement according to claim 6, characterized in that the coal delivery line in an allocation container arrangement is involved, the container with an air line having vertebral floors are provided. 8. Anordnung nach Anspruch 6 und 7, gekennzeichnet dadurch, daß die Zuteilbehälter-Anordnung über eine Abluftleitung mit dem Reaktor verbunden und als Primärluft-, Sekundärluft-, Tertiärluft- und/oder Ausbrandluft-Leitung eingebunden ist.8. Arrangement according to claim 6 and 7, characterized in that that the allocation container arrangement via an exhaust air line connected to the reactor and as primary air, Secondary air, tertiary air and / or burnout air line is involved. 9, Anordnung nach Anspruch 6 bis 8, gekennzeichnet dadurch, daß die Abluftleitung unter, in und/oder über das Wirbelbett eingebunden ist.9, arrangement according to claim 6 to 8, characterized in that that the exhaust duct below, in and / or over the Fluid bed is involved. 10. Anordnung nach Anspruch 1, gekennzeichnet dadurch, daß in die Zuteilbehälter-Anordnung eine Additiv-Förderleitung eingebunden ist.10. The arrangement according to claim 1, characterized in that an additive delivery line into the distribution container arrangement is involved.
DE19944408635 1994-03-09 1994-03-09 Method and arrangement for supplying pre-crushed coal, in particular raw lignite, to a circulating pressure-charged fluidized bed furnace Expired - Fee Related DE4408635C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19944408635 DE4408635C2 (en) 1994-03-09 1994-03-09 Method and arrangement for supplying pre-crushed coal, in particular raw lignite, to a circulating pressure-charged fluidized bed furnace
PCT/EP1995/000395 WO1995024591A1 (en) 1994-03-09 1995-02-03 Process and device for operating a pressure-loaded, lignite-fed, circulating fluidised bed furnace for composite power stations
AU16648/95A AU1664895A (en) 1994-03-09 1995-02-03 Process and device for operating a pressure-loaded, lignite-fed, circulating fluidised bed furnace for composite power stations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19944408635 DE4408635C2 (en) 1994-03-09 1994-03-09 Method and arrangement for supplying pre-crushed coal, in particular raw lignite, to a circulating pressure-charged fluidized bed furnace

Publications (2)

Publication Number Publication Date
DE4408635A1 true DE4408635A1 (en) 1995-09-14
DE4408635C2 DE4408635C2 (en) 1997-03-27

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8600032U1 (en) * 1986-01-03 1986-02-27 Ajo-Anlagentechnik GmbH & Co. KG i.K., 57258 Freudenberg Distribution container
DE3619141A1 (en) * 1986-06-06 1987-12-10 Hoelter Heinz Charging arrangement for pressure-charged fluidised-bed furnace
DE3726643A1 (en) * 1986-11-06 1988-05-11 Bergmann Borsig Veb Process and device for drying and burning fuel and waste materials, especially wet crude lignite
DE8704167U1 (en) * 1987-03-19 1988-07-21 Thyssen Industrie Ag, 4300 Essen, De
DE4029065A1 (en) * 1990-09-13 1992-03-19 Babcock Werke Ag Fluidized bed firing with a stationary fluidized bed
DE4105227A1 (en) * 1991-02-20 1992-08-27 Krupp Koppers Gmbh METHOD AND DEVICE FOR THE GASIFICATION OF A FINE-GRAINED TO DUST-SHAPED FUEL WITH FLUE GAS RECYCLING

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8600032U1 (en) * 1986-01-03 1986-02-27 Ajo-Anlagentechnik GmbH & Co. KG i.K., 57258 Freudenberg Distribution container
DE3619141A1 (en) * 1986-06-06 1987-12-10 Hoelter Heinz Charging arrangement for pressure-charged fluidised-bed furnace
DE3726643A1 (en) * 1986-11-06 1988-05-11 Bergmann Borsig Veb Process and device for drying and burning fuel and waste materials, especially wet crude lignite
DE8704167U1 (en) * 1987-03-19 1988-07-21 Thyssen Industrie Ag, 4300 Essen, De
DE4029065A1 (en) * 1990-09-13 1992-03-19 Babcock Werke Ag Fluidized bed firing with a stationary fluidized bed
DE4105227A1 (en) * 1991-02-20 1992-08-27 Krupp Koppers Gmbh METHOD AND DEVICE FOR THE GASIFICATION OF A FINE-GRAINED TO DUST-SHAPED FUEL WITH FLUE GAS RECYCLING

Also Published As

Publication number Publication date
DE4408635C2 (en) 1997-03-27

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