EP1846151B1 - Procede et dispositif de transformation thermochimique d'un combustible - Google Patents

Procede et dispositif de transformation thermochimique d'un combustible Download PDF

Info

Publication number
EP1846151B1
EP1846151B1 EP06706461.8A EP06706461A EP1846151B1 EP 1846151 B1 EP1846151 B1 EP 1846151B1 EP 06706461 A EP06706461 A EP 06706461A EP 1846151 B1 EP1846151 B1 EP 1846151B1
Authority
EP
European Patent Office
Prior art keywords
combustion zone
fuel
stream
floor
fluid
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.)
Expired - Lifetime
Application number
EP06706461.8A
Other languages
German (de)
English (en)
Other versions
EP1846151A1 (fr
Inventor
Peter Quicker
Gerold Dimaczek
Frank Fojtik
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of EP1846151A1 publication Critical patent/EP1846151A1/fr
Application granted granted Critical
Publication of EP1846151B1 publication Critical patent/EP1846151B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • F23C10/12—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 exclusively within the combustion zone
    • 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
    • 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
    • F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
    • 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
    • F23C10/24—Devices for removal of material from the bed

Definitions

  • the invention relates to a method and a device for the thermochemical conversion of a fuel. It relates in particular to the field of fluidized bed combustion, in which the fuel is burned in a fluidized bed formed by a circulating fluid.
  • a fluidized bed reactor in which the fuel is supplied via a projecting in the vicinity of the bottom of the reactor in the horizontal tube.
  • the ash removal takes place through a further horizontally extending tube, which likewise opens into the reactor near the bottom.
  • the proposed method disadvantageously only a discontinuous process is possible. In particular, the process is not suitable for the combustion of ash-rich fuels.
  • the US 5,858,033 describes a fluidized bed reactor in which the fuel is supplied through a laterally opening into the upper part of the reactor tube. At the bottom of the reactor, an annular nozzle arrangement is provided, with which a circulating fluid flow is generated. The ash produced in fluidized bed combustion is removed via an annular gap surrounding the nozzle arrangement at the bottom of the reactor. Similar fluidized bed reactors are from the US 5,980,858 as well as the US 5,922,090 known. The ash discharge takes place via a grate at the bottom of the fluidized bed reactor. In the known fluidized bed reactors, clogging of the nozzles and discharge of unburned fuel may occur.
  • DE 198 06 318 A1 as well as the DE 199 37 521 A1 describe processes for the combustion of waste products and waste materials from the paper industry.
  • the energy generated in the fluidized bed combustion is recovered from the exhaust gas via heat exchangers.
  • DE 690 00 323 T2 as well as the DE 693 07 918 T3 describe fluidized bed reactors in which the combustion takes place in a cylindrical reactor. Again, the heat recovery is usually carried out by means connected in the exhaust gas flow heat exchanger.
  • the DE 198 48 155 C1 . DE 32 14 649 C3 . DE 37 15 516 A1 . DE 38 03 437 A0 . DE 39 29 178 A1 as well as the DE 696 18 819 T2 disclose fluidized bed reactors in which an inert material is fed to the reactor to produce the fluidized bed.
  • Fluidized bed reactors with a bottom means for diverting the fuel flow to a second combustion zone are off EP0302849 A1 and from JP55-118515 A known.
  • the known in the art fluidized bed reactors are usually designed for a high power range. In particular, they are not suitable for burning ash-rich solid fuels, for example biomass, in a small power range.
  • Object of the present invention is to provide a method and an apparatus with which fuels are thermochemically feasible easily and inexpensively in a small power range.
  • thermochemical conversion of a fuel according to claim 1 is provided.
  • the combustion of the fuel takes place in a fluidized bed reactor which is subdivided into a first and a second combustion zone by means of a flow guide.
  • a flow guide This allows a positive guidance of the fuel flow and thus a particularly compact design of the fluidized bed reactor.
  • the proposed method is particularly suitable for combustion of fuel in a small power range.
  • the method is suitable for burning solid and ash-rich fuels, for example biomass.
  • ashes occurring in the thermochemical reaction are removed through discharge openings provided on the bottom.
  • closure means may be provided.
  • an ash collecting space can be provided between the grate and the discharge openings, which can be emptied discontinuously by opening the discharge openings.
  • thermochemical conversion is led by at least one provided in the vicinity of the feed opening exhaust port.
  • a cross-sectional area of the second combustion zone increases at least in sections from the bottom in the direction of the feed opening.
  • the flow velocity is reduced.
  • there forms a fluidized bed at the choice of a suitable flow rate stay in the large particles longer than small ones. Small particles, in particular fine ash particles, are removed, whereas large particles which still contain usable fuel are burned efficiently.
  • a particularly efficient combustion of the fuel can be achieved.
  • the reactor according to the invention may be box-shaped.
  • two second combustion zones are expediently provided which are adjacent to the first combustion zone are arranged.
  • the second combustion zone surrounds the first combustion zone.
  • the first combustion zone is, for example, cylindrical.
  • thermochemical conversion is removed by a heat exchanger which at least partially surrounds the second combustion zone and / or is part of the flow guiding means provided between the first and the second combustion zone. This allows a particularly effective utilization of the energy released during the thermochemical conversion.
  • the heat exchanger may be at least partially shielded from the first and / or second combustion zone by a refractory shield.
  • the shield is suitably made of a refractory ceramic material. Depending on the configuration of the reactor, it may have the form of a plate, a cylinder, a truncated cone or the like. In particular, the refractory shield may also be part of the flow guide.
  • thermochemical reaction may be combustion or gasification.
  • solid, but also liquid fuels can be converted.
  • the device for deflecting the fuel flow on a roof or conical-like deflection has nozzles for accelerating the fuel flow deflected by the deflection means in the direction of the second combustion zone.
  • the nozzles may have a round, oval or slot-shaped opening.
  • the fuel flow is expediently accelerated by a fluid supplied through the nozzles.
  • the fluid can through the nozzles are ejected in a direction facing the ground. This assists the positive flow of fuel flow generated by the flow directing means from the first to the second combustion zone.
  • the fluid is expediently at least one gas selected from the following group: air, inert gas, flue gas or radiation-active gas.
  • a radiation-active gas is understood to mean a gas which allows heat transfer with a particularly high heat flux density. Especially at high temperatures of more than 900 ° C, a significant portion of the heat is transmitted by radiation. With a radiation-active gas, the heat transfer can be effectively carried out by means of radiation.
  • the radiation-active gas preferably contains 40% by weight of a triatomic gas, for example one or more of the following gases: CO 2 , NH 3 , H 2 O, SO 2 or also CH 4 .
  • the radiation-active gas may also be mixed with air.
  • the fluid may contain at least one additive selected from the following group: lime, ammonia, urea, limestone.
  • additives contribute to a low-emission combustion of fuels as possible.
  • a device for preheating the fluid is also provided.
  • the combustion temperature can be adjusted and / or controlled.
  • thermochemical conversion of a solid fuel according to claim 16 is provided.
  • the proposed device is compact and allows efficient thermochemical conversion of fuels even in a small power range. Because of the advantageous embodiments of the device, reference is made to the above statements. The described features are suitable mutatis mutandis as development of the device.
  • a first combustion zone 1 is bounded laterally by plates 2 made of a refractory material such as alumina, magnesia, zirconia or the like.
  • a deflection device 3 is provided at the bottom B of the fluidized bed reactor.
  • the deflection device 3 has a roof-shaped or saddle-like design, with the roof surfaces or saddle flanks falling away from the center of the fluidized-bed reactor towards its sides in the direction of the bottom B.
  • the deflection device 3 may be made of a temperature-resistant metal or also of a refractory ceramic material.
  • a fluid supply device 4 is provided, which has a feed tube 5 and nozzles 6.
  • the nozzles 6 are arranged so that a fluid passed through obliquely in the direction of a portion of the bottom B, which is located approximately below a second combustion zone 7.
  • the nozzles 6 are bounded by the preferably made of a metal deflecting device 3.
  • the deflection device 3 heats up. As a result, it also preheats a fluid passed through the nozzles 6.
  • a feed chute or feed channels may also be provided in the feed device 4, which are arranged in particular in such a way that a further preheating of the fluid is thereby effectively achieved.
  • the second combustion zone 7 is arranged adjacent to the first combustion zone 1.
  • the fluid may in particular be a gas, for example air, inert gas or a radiation-active gas.
  • the nozzles 6 expediently open in the region of the lower end of the deflection device 3. Nozzle openings, designated by the reference numeral 8, can be slit-like, oval or round.
  • ash collection zones 9 Approximately below the second combustion zone 7 are ash collection zones 9, which are covered with 10 gratings. In the area of ash collection zones 9 discharge openings 11 are further provided for discharging ash. The discharge openings 11 are expediently located below flaps 12.
  • flaps 12 By opening the flaps 12, the interior of the fluidized bed reactor for maintenance and cleaning purposes in a simple manner accessible. Instead of the flaps 12, of course, other closure means can be provided, which allow a recurring access to the interior of the fluidized bed reactor.
  • a parallel to the bottom B extending cross-sectional area of the second combustion zone 7 increases up to a designated by the reference numeral 13 Mauwirbel Anlagenzone.
  • the walls of the second combustion zone 7 are provided with an outer heat exchanger 14 and an inner heat exchanger 15.
  • the inner heat exchanger 15 acts as well as the plate 2 as Flow guide and separates the first combustion zone 2 of the second combustion zone. 7
  • a supply opening 16 for supplying fuel and two exhaust openings 17 for discharging exhaust gas are provided in an upper region of the fluidized bed reactor. Between the exhaust gas openings 17 and the plates 2 is a gap or passage 18, which allows passage of a coming of the second combustion zone 7 fuel flow into the first combustion zone 1.
  • the function of the fluidized-bed reactor is as follows: Fuel supplied by the feed opening 16, for example biomass, is guided in the direction of the deflection device 3 in the first combustion zone 1 and is burnt. The directed in the direction of the deflector 3 fuel flow is split by means of the deflection device 3 into two partial streams and deflected in the direction of the second combustion zone 7. To maintain the flow, for example, air is blown through the feed tube 5, which exits at the nozzle openings 8 and accelerates the partial flows, so that they are directed in the opposite direction in the second combustion zones 7 upwards. As a result of the cross-sectional enlargement provided in the second combustion zones 7, the flow velocity decreases.
  • the resulting in the combustion in the combustion zones 1, 7 heat is decoupled by means of the heat exchangers 14, 15 and can be used elsewhere for power generation, heating or the like.
  • the supplied through the feed tube 5 fluid such as air, can be preheated by means provided in the bottom B and / or in the deflection device 3 along the nozzle 6 fluid channels. This makes it possible to set or control the combustion temperature.
  • Coarse ash particles are collected in the ash collection zones 9 and discharged via the discharge openings 11, preferably continuously.
  • the present invention is not limited to the described embodiment.
  • differently designed eddy current reactors are also suitable.
  • the first combustion zone 1 can also be cylindrical and the second combustion zone 7 can be designed as an annular gap surrounding the first combustion zone 1.
  • the exhaust gas opening 17 can likewise be designed as an annular gap which surrounds the feed opening 16.
  • the deflecting device 3 may be designed conical or dome-like in a cylindrical embodiment.
  • the arrangement of the nozzles 6 is chosen so that an optimal circulation of the fuel through the first 1 and the second combustion zone 7 is ensured.
  • a speed of the circulating fuel flow is to be adjusted in dependence on the geometry of the second combustion zone 7 in such a way that mist swirl layer zones 13 expediently form there.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Claims (30)

  1. Procédé de transformation thermochimique d'un combustible comprenant les étapes suivantes:
    a) préparation d'un réacteur à lit fluidisé comportant une première zone de combustion centrale (1) et une seconde zone de combustion (7) séparée de la première zone de combustion par des moyens de guidage d'écoulement (2, 15), la première zone de combustion (1) présentant un orifice d'alimentation (16) pour l'amenée de combustible et un dispositif (3) prévu au fond (B) du réacteur à lit fluidisé, à l'opposé de l'orifice d'alimentation (16), pour dévier un courant de combustible dans la seconde zone de combustion (7),
    b) amenée de combustible par l'orifice d'alimentation (16) de manière à former un courant de combustible dirigé vers le fond (B)
    c) déviation du courant de combustible au fond (B), dans la seconde zone de combustion (7) de façon à ce que le courant de combustible soit guidé dans un sens essentiellement opposé et soit accéléré au moyen de buses (6) vers la seconde zone de combustion (7) où, par une augmentation au moins segment par segment de la surface de section de la seconde zone de combustion (7) du fond (B) vers l'orifice d'alimentation (16), la vitesse d'écoulement du courant de combustible est réduite dans la zone de la grande surface de section de telle façon qu'une zone de lit fluidisé secondaire (13) se forme dans la seconde zone de combustion (7), et
    d) déviation, supplémentaire du courant de combustible à proximité de l'orifice d'alimentation (16) de façon à ce que le courant de combustible soit recyclé dans la première zone de combustion.
  2. Procédé selon la revendication 1, où la cendre résultant de la transformation thermochimique est évacuée par des orifices d'évacuation (11) prévus sur le fond (B).
  3. Procédé selon l'une des revendications précédentes, où des moyens d'obturation sont prévus pour obturer les orifices d'évacuation (11).
  4. procédé selon l'une des revendications précédentes, où les orifices d'évacuation (11) sont séparés de la première (1) et/ou de la seconde zone de combustion (7) par une grille (10).
  5. Procédé selon l'une des revendications précédentes, où les gaz d'échappement générés lors de la transformation thermochimique sont évacués à travers au moins un orifice de gaz d'échappement (17) prévu à proximité de l'orifice d'alimentation (16).
  6. Procédé selon l'une des revendications précédentes, où la seconde zone de combustion (7) entoure la première zone de combustion (1).
  7. Procédé selon l'une des revendications précédentes, où la chaleur engendrée lors de la transformation thermochimique est évacuée à travers un échangeur de chaleur (14, 15) qui entoure au moins partiellement la deuxième zone de combustion (7) et/ou est partie composante du moyen de guidage d'écoulement prévu entre la première (1) et la seconde zone de combustion (7).
  8. Procédé selon l'une des revendications précédentes, où l'échangeur de chaleur (14, 15) par rapport à la première (1) et/ou la seconde zone de combustion (7) est blindé au moins partiellement par un blindage (2) résistant au feu.
  9. Procédé selon l'une des revendications précédentes, où la transformation thermochimique est une combustion ou une gazéification.
  10. Procédé selon l'une des revendications précédentes, où le Dispositif (3) pour la déviation du courant de combustible présente un moyen de déviation en forme de toit ou de forme conique.
  11. Procécé selon l'une des revendications précédentes, où le courant de combustible est accéléré par un fluide amené à travers les buses (6).
  12. Procédé selon l'une des revendications précédentes, où le fluide est rejeté à travers les buses (6) dans un sens dirigé vers le fond (B).
  13. Procédé selon l'une des revendications précédentes, où le fluide est au moins un gaz sélectionné à partir du groupe suivant: air, gaz inerte, gaz de fumée ou gaz radioactif.
  14. Procédé selon l'une des revendications précédentes, où le fluide contient au moins un additif sélectionné à partir du groupe suivant: lait de chaux, ammoniac, urée, pierre à chaux.
  15. Procédé selon l'une des revendications précédentes, où un dispositif est prévu pour préchauffer le fluide.
  16. Dispositif pour la transformation thermochimique d'un combustible solide avec un réacteur à lit fluidisé comportant une première zone de combustion centrale (1) et une seconde zone de combustion (7) séparée par des moyens de guidage d'écoulement (2, 15), la première zone de combustion (7) présentant un orifice d'alimentation (16) pour l'amenée de combustible et un dispositif (3) prévu, au fond (B) du réacteur à lit fluidisé, à l'opposé de l'orifice d'alimentation (16), pour dévier un courant de combustible dans la seconde zone de combustion (7), de façon à ce qu'un courant de combustible dirigé vers le fond (B) à partir de l'orifice d'alimentation (16) soit dévié dans la seconde zone de combustion (7), guidé dans un sens essentiellement opposé et de nouveau dévié à proximité de l'orifice d'alimentation. (16) et recyclé dans la première zone de combustion (1),
    caractérisé en ce que
    le dispositif (3) pour la déviation du courant de combustible présente des buses (6) pour l'accélération du courant de combustible dévié à l'aide de moyens de déviation vers la seconde zone de combustion (7) et
    qu'une surface de section de la seconde zone de combustion (7) augmente au moins segment par segment du fond (B) vers l'orifice d'alimentation (16), ce qui ralentit la vitesse d'écoulement du courant de combustible dans la zone de la grande surface de section de façon telle qu'une zone de lit fluidisé secondaire (13) se forme dans la seconde zone de combustion (7).
  17. Dispositif selon la revendication 16, où des orifices d'évacuation (11) sur le fond (B) sont prévus pour l'évacuation de cendres résultant de la transformation thermochimique.
  18. Dispositif selon la revendication 16 ou 17, où des moyens d'obturation sont prévus pour obturer les orifices d'évacuation (11).
  19. Dispositif selon l'une des revendications 16 à 18, où les orifices d'évacuation (11) sont séparés de la première (1) et/ou de la seconde zone de combustion (7) par une grille (10).
  20. Dispositif selon l'une des revendications 16 à 19, où au moins un orifice de gaz d'échappement (17) à proximité de l'orifice d'alimentation (16) est prévu pour l'évacuation des gaz d'échappement générés lors de la transformation thermochimique.
  21. Dispositif selon l'une des revendications 16 à 20, où la seconde zone de combustion (7) entoure la première zone de combustion (1).
  22. Dispositif selon l'une des revendications 16 à 21, où un échangeur de chaleur (14, 15) est prévu pour l'évacuation de la chaleur engendrée lors de la transformation thermochimique, lequel entoure au moins partiellement la seconde zone de combustion (7) et/ou est partie composante du moyen de guidage d'écoulement prévu entre la première (1) et la deuxième zone de combustion (7).
  23. Dispositif selon l'une des revendications 16 à 22, où l'échangeur de chaleur (14, 15) par rapport à la première (1) et/ou la seconde zone de combustion (7) est blindé au moins partiellement par un blindage (2) résistant au feu.
  24. Dispositif selon l'une des revendications 16 à 23, où la transformation thermochimique est une combustion ou une gazéification.
  25. Dispositif selon l'une des revendications 16 à 24, où le dispositif (3) pour la déviation du courant de combustible présente un moyen de déviation en forme de toit ou de forme conique.
  26. Dispositif selon l'une des revendications 16 à 25, où le courant de combustible est accéléré par un fluide amené à travers les buses (6).
  27. Dispositif selon l'une des revendications 16 à 26, où les buses (6) sont disposées de telle façon que leur sens d'éjection est dirigé vers le fond (B).
  28. Dispositif selon l'une des revendications 16 à 27, où le fluide est au moins un gaz sélectionné à partir du groupe suivant: air, gaz inerte, gaz de fumée ou gaz radioactif.
  29. Dispositif selon l'une des revendications 16 à 28, où le fluide contient au moins un additif sélectionné à partir du groupe suivant: lait de chaux, ammoniac, urée, pierre à chaux.
  30. Dispositif selon l'une des revendications 16 à 29, où un dispositif est prévu pour préchauffer le fluide.
EP06706461.8A 2005-02-09 2006-01-28 Procede et dispositif de transformation thermochimique d'un combustible Expired - Lifetime EP1846151B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005005796A DE102005005796A1 (de) 2005-02-09 2005-02-09 Verfahren und Vorrichtung zur thermochemischen Umsetzung eines Brennstoffs
PCT/EP2006/000745 WO2006084590A1 (fr) 2005-02-09 2006-01-28 Procede et dispositif de transformation thermochimique d'un combustible

Publications (2)

Publication Number Publication Date
EP1846151A1 EP1846151A1 (fr) 2007-10-24
EP1846151B1 true EP1846151B1 (fr) 2013-09-18

Family

ID=36294537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06706461.8A Expired - Lifetime EP1846151B1 (fr) 2005-02-09 2006-01-28 Procede et dispositif de transformation thermochimique d'un combustible

Country Status (6)

Country Link
US (1) US20080149011A1 (fr)
EP (1) EP1846151B1 (fr)
JP (1) JP5007242B2 (fr)
CA (1) CA2597520C (fr)
DE (1) DE102005005796A1 (fr)
WO (1) WO2006084590A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2703339A1 (fr) * 2012-09-04 2014-03-05 Casale Chemicals S.A. Brûleur pour la production de gaz de synthèse
US20170356642A1 (en) * 2016-06-13 2017-12-14 The Babcock & Wilcox Company Circulating fluidized bed boiler with bottom-supported in-bed heat exchanger
NL2021739B1 (en) * 2018-10-01 2020-05-07 Milena Olga Joint Innovation Assets B V Reactor for producing a synthesis gas from a fuel

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3153091B2 (ja) * 1994-03-10 2001-04-03 株式会社荏原製作所 廃棄物の処理方法及びガス化及び熔融燃焼装置
US3863577A (en) * 1971-11-22 1975-02-04 Dorr Oliver Inc Fluidized bed reactor
US3907981A (en) * 1973-03-12 1975-09-23 Rockwell International Corp Method for recombining hydrogen and oxygen
US4060041A (en) * 1975-06-30 1977-11-29 Energy Products Of Idaho Low pollution incineration of solid waste
GB1577717A (en) * 1976-03-12 1980-10-29 Mitchell D A Thermal reactors incorporating fluidised beds
JPS55118515A (en) * 1979-03-08 1980-09-11 Ebara Corp Fluidizing bed type combustion furnace
JPS5758558Y2 (fr) * 1979-05-21 1982-12-14
JPS5630523A (en) * 1979-08-20 1981-03-27 Ebara Corp Fluidized bed type thermal reaction furnace
US4672918A (en) * 1984-05-25 1987-06-16 A. Ahlstrom Corporation Circulating fluidized bed reactor temperature control
AT382227B (de) * 1985-04-30 1987-01-26 Simmering Graz Pauker Ag Verfahren und vorrichtung zur verbrennung von festen, fluessigen, gasfoermigen oder pastoesen brennstoffen in einem wirbelschichtofen
DE3515516A1 (de) * 1985-04-30 1986-11-06 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen herstellung von polyphenylenethern
US5138982A (en) * 1986-01-21 1992-08-18 Ebara Corporation Internal circulating fluidized bed type boiler and method of controlling the same
DE3803437A1 (de) * 1987-06-02 1988-12-15 Lentjes Ag Wirbelschichtreaktor
AT401419B (de) * 1987-07-21 1996-09-25 Sgp Va Energie Umwelt Wirbelschichtverfahren zur vergasung und verbrennung von brennstoffen sowie vorrichtung zu seiner durchführung
DE3729971A1 (de) * 1987-09-08 1989-03-16 Wuenning Joachim Heissgaserzeugungseinrichtung mit thermischer nachverbrennung
EP0321308A1 (fr) * 1987-12-17 1989-06-21 Cet Energy Systems Inc. Foyer à lit fluidisé
DE3924723C2 (de) * 1988-08-15 1994-02-10 Reinhard Dipl Ing Eckert Energieumwandlungseinrichtung mit einer Wirbelkammerfeuerung
FI85909C (fi) * 1989-02-22 1992-06-10 Ahlstroem Oy Anordning foer foergasning eller foerbraenning av fast kolhaltigt material.
US4969404A (en) * 1989-04-21 1990-11-13 Dorr-Oliver Incorporated Ash classifier-cooler-combustor
AU5635290A (en) * 1989-05-01 1990-11-29 Ky Dangtran Fluidized bed device for combustion of low-melting fuels
DE3929178A1 (de) * 1989-09-02 1991-03-21 Balcke Duerr Ag Wirbelschichtreaktor und zugehoeriges betriebsverfahren
ES2099983T5 (es) * 1992-11-10 2002-08-16 Foster Wheeler Energia Oy Procedimiento y aparato para el funcionamiento de un sistema reactor de lecho fluidizado circulante.
FI93274C (fi) * 1993-06-23 1995-03-10 Ahlstroem Oy Menetelmä ja laite kuuman kaasuvirran käsittelemiseksi tai hyödyntämiseksi
US5401130A (en) * 1993-12-23 1995-03-28 Combustion Engineering, Inc. Internal circulation fluidized bed (ICFB) combustion system and method of operation thereof
US5922090A (en) * 1994-03-10 1999-07-13 Ebara Corporation Method and apparatus for treating wastes by gasification
US5465690A (en) * 1994-04-12 1995-11-14 A. Ahlstrom Corporation Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler
TW270970B (en) * 1995-04-26 1996-02-21 Ehara Seisakusho Kk Fluidized bed combustion device
WO1997031084A1 (fr) * 1996-02-21 1997-08-28 Foster Wheeler Energia Oy Systeme de reacteur a lit fluidise et procede d'exploitation
US5980858A (en) * 1996-04-23 1999-11-09 Ebara Corporation Method for treating wastes by gasification
WO1997048950A1 (fr) * 1996-06-21 1997-12-24 Ebara Corporation Procede et appareil de gazeification de lit fluidise
DE19714593A1 (de) * 1997-04-09 1998-10-15 Metallgesellschaft Ag Verfahren zum Verbrennen von Abfallstoffen in einer zirkulierenden Wirbelschicht
US7285144B2 (en) * 1997-11-04 2007-10-23 Ebara Corporation Fluidized-bed gasification and combustion furnace
DE19806318A1 (de) * 1998-02-06 1999-08-12 Harald Dipl Ing Dr Martin Verfahren und Einrichtung zur Aufarbeitung von Reststoffen der Papierindustrie (Spuckstoffe)
DE19843613C2 (de) * 1998-09-23 2000-12-07 Harald Martin Verfahren und Vorrichtung zur Aufarbeitung von Abprodukten und Abfallstoffen
DE19848155C1 (de) * 1998-10-20 2000-11-02 Ralf Paulsen Verfahren und Vorrichtung zur Verbrennung von Stoffen in einer Wirbelschicht
DE19859052C2 (de) * 1998-12-21 2001-01-25 Dieter Steinbrecht Verfahren und Einrichtung zur thermischen Abfallverwertung und Abfallentsorgung fester, flüssiger und pumpfähiger inhomogener brennbarer Gemische und thermische Reinigung kontaminierter Materialien in einer Wirbelschichtfeuerung
DE19903510C2 (de) * 1999-01-29 2002-03-07 Mg Technologies Ag Verfahren zum Verbrennen oder Vergasen in der zirkulierenden Wirbelschicht
DE19937524A1 (de) * 1999-08-03 2001-02-15 Harald Martin Verfahren und Vorrichtung zum Beseitigen von Abprodukten und Abfallstoffen
DE19937521A1 (de) * 1999-08-03 2001-02-15 Harald Martin Verfahren und Vorrichtung zum Trocknen, Trennen, Klassieren und Zersetzen von Abprodukten

Also Published As

Publication number Publication date
JP2008530491A (ja) 2008-08-07
WO2006084590A1 (fr) 2006-08-17
CA2597520C (fr) 2013-06-25
US20080149011A1 (en) 2008-06-26
EP1846151A1 (fr) 2007-10-24
JP5007242B2 (ja) 2012-08-22
DE102005005796A1 (de) 2006-08-17
CA2597520A1 (fr) 2006-08-17

Similar Documents

Publication Publication Date Title
EP0302849B1 (fr) Procédé et dispositif de combustion ou de gazéification des combustibles dans un lit fluidisé
DE2624302A1 (de) Verfahren zur durchfuehrung exothermer prozesse
EP0139085A1 (fr) Procédé et brûleur pour la combustion des combustibles liquides ou gazeux avec diminution de la formation de NOx
DE102004051477A1 (de) Verfahren und Anlage zur Regulierung der Feststoffumlaufmenge eines zirkulierenden Wirbelschichtreaktorsystems
EP0413799B1 (fr) Arrangement des grilles d'incineration de dechets et de detritus ainsi que methode d'operation
EP0862019A1 (fr) Procédé et dispositif pour le traitement thermique des cendres volantes des incinérateurs à grille
EP2375152B1 (fr) Dispositif et procédé de production de gaz chaud avec chauffage intégré d'un fluide caloporteur
DE2804513A1 (de) Brenner
EP0937944B1 (fr) Procédé et dispositif de combustion de combustibles contenant du vanadium
EP1846151B1 (fr) Procede et dispositif de transformation thermochimique d'un combustible
EP2691701B1 (fr) Procédé d'optimisation de la combustion totale des gaz d'échappement d'une installation de combustion
DE68917725T2 (de) Verbrennungsverfahren und regelungsverfahren dazu.
DE3012688C2 (de) Verdampfer mit Tauchbrenner
EP1052231A1 (fr) Procédé et dispositif de traitement de farine crue
DE3410945A1 (de) Verfahren zur verminderung der no(pfeil abwaerts)x(pfeil abwaerts)-bildung in mit kohlenstaub betriebenen feuerungsanlagen, insbesondere schmelzkammerfeuerungen, und feuerungsanlage zur durchfuehrung des verfahrens
DE102004037442B4 (de) Verfahren zur thermischen Behandlung von Abfall in einer thermischen Abfallbehandlungsanlage sowie thermische Abfallbehandlungsanlage
EP3537043B1 (fr) Installation d'incinération
DE1401920A1 (de) Wirbelfeuerung,insbesondere Wirbel-Schmelzfeuerung
EP2220434A1 (fr) Appareil de combustion à lit fluidisé
DE102009013713A1 (de) Verfahren zum Betreiben eines Biomasse-Heizkraftwerks mit einer Wirbelschichtfeuerung
DE3434970A1 (de) Einrichtung zur minderung der feststoffpartikel- und schadstoff-anteile im zwangsgefoerderten abgasstrom aus der verbrennung von kohlenstoffhaltigen feststoffen in einem reaktorbett
EP3650756A1 (fr) Système de lances démontable
DE2736493A1 (de) Verfahren und vorrichtung zum verbrennen von kohle
DE102007027601A1 (de) Herstellung und Kühlung von gasförmigen Kohlevergasungsprodukten
WO1990006474A1 (fr) Procede et dispositif pour traiter les cendres volantes carbonees contenues dans les gaz de combustion

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20070803

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20130408

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWAN

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 632426

Country of ref document: AT

Kind code of ref document: T

Effective date: 20131015

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502006013206

Country of ref document: DE

Effective date: 20131114

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: ALDO ROEMPLER PATENTANWALT, CH

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130724

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20130918

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20131219

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20140118

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502006013206

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20140120

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

BERE Be: lapsed

Owner name: FRAUNHOFER G.- ZUR FORDERUNG DER ANGEWANDTEN FORS

Effective date: 20140131

26N No opposition filed

Effective date: 20140619

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20140128

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502006013206

Country of ref document: DE

Effective date: 20140619

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140128

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140131

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20060128

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130918

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20170124

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20170125

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20170125

Year of fee payment: 12

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20180128

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180131

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20180928

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180128

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180128

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20190124

Year of fee payment: 14

Ref country code: DE

Payment date: 20190124

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20190118

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502006013206

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 632426

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200128

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200131

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200128

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200131