EP1224421B1 - Procede de production d'energie thermique a partir de fruits oleagineux de faible granulometrie, de preference a partir de colza, et dispositif de mise en oeuvre de ce procede - Google Patents

Procede de production d'energie thermique a partir de fruits oleagineux de faible granulometrie, de preference a partir de colza, et dispositif de mise en oeuvre de ce procede Download PDF

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Publication number
EP1224421B1
EP1224421B1 EP00965620A EP00965620A EP1224421B1 EP 1224421 B1 EP1224421 B1 EP 1224421B1 EP 00965620 A EP00965620 A EP 00965620A EP 00965620 A EP00965620 A EP 00965620A EP 1224421 B1 EP1224421 B1 EP 1224421B1
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EP
European Patent Office
Prior art keywords
combustion
arrangement according
combustion chamber
combustion space
exit opening
Prior art date
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Expired - Lifetime
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EP00965620A
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German (de)
English (en)
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EP1224421A1 (fr
Inventor
Johann Kübel
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Individual
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Priority to AT00965620T priority Critical patent/ATE294948T1/de
Priority to DK00965620T priority patent/DK1224421T3/da
Priority to SI200030712T priority patent/SI1224421T1/xx
Publication of EP1224421A1 publication Critical patent/EP1224421A1/fr
Application granted granted Critical
Publication of EP1224421B1 publication Critical patent/EP1224421B1/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B7/00—Combustion techniques; Other solid-fuel combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses

Definitions

  • the invention relates to a method for generating thermal energy small-grained oil fruits, preferably from rapeseed. Furthermore, the invention relates to a Apparatus for carrying out such a method.
  • US-A-4 334 485 discloses a method for generating thermal energy from small agricultural granules, wherein granules and combustion air are metered in a combustion chamber at a pressure between 20-200 lbs / in 2 (about 1.38-13 , 8 bar).
  • a pressure between 20-200 lbs / in 2 (about 1.38-13 , 8 bar).
  • an explosion is initiated by the coil.
  • the combustion products flow from the combustion chamber through the outlet opening. This coil causes a heating of the combustion chamber.
  • the present invention has for its object to the mentioned disadvantages avoid and a method and apparatus for generating thermal energy from small-grained oil fruits, preferably from oilseed rape to create, with which or with which the grains can be burned without prior processing.
  • This object is achieved by the invention proposing a method according to the characterizing part of Claim 1 before.
  • the combustion chamber of the combustion chamber is at a temperature between 500 ° C and 1250 ° C, for example to a temperature of about 1000 ° C, preheated.
  • This temperature represents an ignition of the first, the combustion chamber fed grains safely and it can after such inflammation of the Preheating be ended.
  • the supplied grains of the oil crops at least in one Section of the combustion chamber issued a spiral movement, causing the Retention of the grains in the combustion chamber lengthened and complete combustion all supplied grains is ensured.
  • the volume of the combustion chamber is variable, thereby regulating also the pressure prevailing in the combustion chamber and in particular in the starting phase during preheating can be adapted to the requirements.
  • An apparatus for performing the method according to the invention is characterized by characterized the features of the characterizing part of claim 7.
  • the grains are fed via the supply line dosed to the combustion chamber and there after the initial ignition due to the in the combustion chamber by the preheating same prevailing temperature in the presence of the required Combustion air and while maintaining the required pressure explosive burned, wherein the resulting flame emerges from the flame outlet opening and gives off their heat energy.
  • the feed of the grains of oil crops is via the feed pipe and the feed the required combustion air via the combustion air supply line with overpressure, thus, a pressure drop in the combustion chamber can be prevented.
  • To be a flawless To ensure operation of the device according to the invention are in the supply line for the supply of the grains of the oil crops and / or in the area of the flame outlet opening Pressure control devices provided by which the required pressure in the combustion chamber is maintained.
  • the metering device can also as Pressure control device may be formed.
  • the combustion chamber consists of an inner tube and one of this inner tube at a distance surrounding and communicating with this inner tube outer jacket. This will achieved a compact design, in which nevertheless the required residence time of Grains of oilseeds is guaranteed in the combustion chamber.
  • the supply line for the Supply of grains in the inner tube opens, in which the disconnectable Preheating device is arranged, and when the flame outlet opening in Outer jacket is provided.
  • the grains of the oil crops are then through the supply line initially fed into the inner tube, which during startup by the Preheater was heated to a temperature so that a priming occurs.
  • the preheater can be switched off, as a result of the required for the ignition of the individual grains temperature by the Combustion process is maintained.
  • the grains of the inner tube supplied to the Oil fruits get into the with this inner tube after passing the inner tube communicating outer shell, where an afterburn takes place, until finally the resulting flame emerges from the flame outlet opening.
  • the inner wall of the inner tube with a to provide spiral-shaped depression, wherein the supply line, preferably tangentially opens into the inner tube.
  • a wall preferably a transversely to the axis of the inner tube extending end wall, the outer shell may be adjustable.
  • the volume of the combustion chamber is increased by adjusting this wall and it will also the pressure control devices in the flame outlet opening controlled such that the required during the starting process low pressure is ensured in the combustion chamber.
  • the volume of the combustion chamber is reduced, thereby ensuring the required for the explosive combustion of the grains of the oil crops pressure.
  • a wall of the outer shell as, preferably formed by an electric actuator, movable plate.
  • At least one combustion air supply line opens according to the invention, preferably tangentially, into the inner tube, so that there is the combustion air required for the combustion of the grains of the oil crops.
  • the tangential supply of combustion air supports the spiral movement of the grains in the inner tube.
  • a controllable in at least one combustion air supply line Blower provided by which the control of the amount of the explosive Combustion required combustion air takes place.
  • This blower can be designed that it serves as a pressure regulating device for maintaining the required pressure in the Combustion chamber is used.
  • this flame outlet opening may be formed as Venturi nozzle, where it occasionally advantageous, the flame outlet opening as a multi-stage venturi train. It can then between individual stages an afterburner be provided, in which an afterburning of the unburned gases takes place.
  • an afterburner be provided, in which an afterburning of the unburned gases takes place.
  • the preferably designed as a pipe socket Flame outlet opening at least one throttle valve provided by which a Pressure control in the combustion chamber is made possible by changing the flap position.
  • Flame outlet opening can be formed as a labyrinth.
  • combustion chamber in particular the inner tube and surrounding it Outer jacket, made of a refractory, preferably ceramic, material. It but also the combustion chamber can be surrounded by a cooling jacket through which overheating is prevented.
  • the device according to the invention is based on Embodiments schematically illustrated.
  • Fig. 1 shows in section a first embodiment of the invention Contraption.
  • Fig. 2 illustrates another embodiment of the device according to the invention represents.
  • the device shown in Fig. 1 has a combustion chamber 1 with a Combustion chamber 2 on.
  • a combustion chamber 2 open a supply line 3, via which the Combustion chamber 2 from a reservoir 4 via a controllable metering device 5 grains be supplied one after the other from small-grained oil crops, as well as a Combustion air supply line 6, in which a controllable fan 7 is turned on.
  • a controllable fan 7 in which a controllable fan 7 is turned on.
  • turn-off preheater 8 located in the combustion chamber 2 a turn-off preheater 8 in the form an oil burner.
  • the resulting flame exits from a flame outlet opening 9 and can then be used for thermal utilization. Again, this must be taken care of be worn, that on this flame outlet opening 9 no pressure drop in Combustion chamber takes place.
  • the flame outlet opening is designed as a venturi nozzle.
  • Multi-stage venturi with post-combustion facilities between individual stages provide, which not only a pressure drop in the combustion chamber 2 avoided with certainty but also a full exploitation of the grains of oil crops inherent energy is guaranteed.
  • Flame outlet opening may also be formed as a labyrinth.
  • the combustion chamber consists of an inner tube 11 and a distance of this inner tube 11 surrounding outer shell 12, which is also tubular and coaxial with the inner tube 11th is formed running.
  • the inner tube 11 opens tangentially a supply line 3, via which grains of small-seeded oil fruits from a reservoir, not shown be fed to the inner tube.
  • the medium is hiebei expediently air used, which also forms part of the combustion air.
  • a combustion air supply pipe 6 opens tangentially into the inner pipe 11, about which the supply of needed for the combustion of the grains in the inner tube Primary air takes place.
  • the inner wall of the inner tube 11 has a spiral-shaped depression 13, by which the grains supplied is given a spiral movement, whereby their residence time is increased in the inner tube.
  • An end face of the inner tube is closed by a wall 14, in which a Pipe socket 15 is provided in the one, for example, from a gas burner existing preheating device 8 protrudes.
  • the opposite end of the inner tube 11 is open, so that there the inner tube with the space enclosed by the outer shell 12 space 16 communicates.
  • this space 16 opens the flame outlet opening 9 forming Pipe socket 17, in which throttle valves 18 are provided.
  • the room 16 is in Area of the open end of the inner tube 12 with a further air supply line 19 for the supply of secondary air connected.
  • a wall of the outer shell 12 is formed as a movable plate 20.
  • the Movement of the same takes place via a rod 21 by means of a not shown electric actuator.
  • the inner tube 11 and the outer shell 12 and the plate 20 are made refractory, in particular ceramic, material, soft the high, during combustion
  • the grains can withstand occurring temperatures of up to 1600 ° C.
  • the inner tube 11 through the preheater 8 to one for the combustion the grains required temperature of, for example, 1000 ° C preheated.
  • a certain amount of grains is fed via the supply line 3 to the inner tube, wherein the grains move along the spiral-shaped depression 13 and on the ignite the hot wall of the inner tube.
  • the plate 20 is hiebei in one Position in which the volume of the space 16 is small, and the throttle valves are 18 open.
  • the Preheater 8 are turned off.
  • shifting the plate 20 is a Increasing the volume of the space 16 and the position of the throttle valve 18 is in Closing direction changed.
  • the successively supplied via the supply line 3 grains ignite due to the now prevailing in the inner tube 11 temperature, with a Chain reaction takes place and these grains with appropriate supply of primary air over the combustion air supply line 11 burn explosively, causing a drop the temperature is prevented.
  • the occurring at the open End of the inner tube 11 hot gases are deflected and pass over the outer shell 12th enclosed space 16, in which by supplying secondary air over the Air supply line 19 a post-combustion takes place in the pipe socket 17, wherein the emerging flame from the flame outlet opening 8 emerges.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Combustion Of Fluid Fuel (AREA)

Claims (21)

  1. Procédé de production d'énergie thermique à partir de fruits oléagineux de faible granulométrie, de préférence à partir de colza, caractérisé en ce que l'on préchauffe d'abord l'espace de combustion (2) d'une chambre de combustion (1) et on amène d'une façon dosée des grains non-broyés ainsi que de l'air de combustion à cet espace de combustion (2), après quoi on termine le préchauffage et on maintient une pression d'au moins 2 bar dans l'espace de combustion, de manière que les grains des fruits oléagineux amenés dans la suite brûlent sous forme d'explosion et que la flamme ainsi produite émerge à travers une ouverture de sortie de flammés (9).
  2. Procédé selon la revendication 1, caractérisé en ce que l'espace de combustion (2) de la chambre de combustion (1) est préchauffé à une température entre 500°C et 1250°C, préférablement à une température d'environ 1000°C.
  3. Procédé selon la revendication 1, caractérisé en ce que l'on maintien une pression entre 2 bar et 13 bar dans l'espace de combustion (2) de la chambre de combustion (1).
  4. Procédé selon la revendication 1, caractérisé en ce que l'on amène les grains individuellement et l'un après l'autre à l'espace de combustion (2) de la chambre de combustion (1).
  5. Procédé selon la revendication 1, caractérisé en ce que l'on communique un mouvement en spire aux grains des fruits oléagineux au moins dans une partie de l'espace de combustion.
  6. Procédé selon la revendication 1, caractérisé en ce que le volume de l'espace de combustion est changeable.
  7. Dispositif de mise en oeuvre du procédé selon la revendication 1, caractérisé par une chambre de combustion (1) avec un espace de combustion (2), dans lequel un dispositif de préchauffage (8) à interrompre est prévu, par exemple un brûleur à fuel, qu'au moins un conduit d'amenée (3) pour l'amenée des grains des fruits oléagineux non-broyés et au moins un conduit d'amenée de l'air de combustion (6) débouchent dans l'espace de combustion (2), qu'un dispositif de dosage réglable (5) est prévu dans le conduit d'amenée (3) pour l'amenée des grains des fruits oléagineux non-broyés, que l'espace de combustion (2) est prévu d'une ouverture de sortie de flammes (9), et que des moyens sont prévus pour maintenir une pression d'au moins 2 bar dans l'espace de combustion (2), et que des moyens de réglage de pression sont prévus dans ce but dans le conduit d'amenée (3) pour l'amenée des grains des fruits oléagineux non-broyés et/ou dans la zone de l'ouverture de sortie de flammes.
  8. Dispositif selon la revendication 7, caractérisé en ce que l'espace de combustion (2) consiste d'un tuyau intérieur (11) et d'une chemise extérieure (12), qui entoure ce tuyau intérieur (11) avec un écartement et qui communique avec ce tuyau intérieur (11).
  9. Dispositif selon la revendication 8, caractérisé en ce que le conduit d'amenée (3) débouche dans le tuyau intérieur (11 ), dans lequel le dispositif de préchauffage (8) à interrompre est disposé, et que l'ouverture de sortie de flammes (9) est prévue dans la chemise extérieure (12).
  10. Dispositif selon la revendication 8, caractérisé en ce que la paroi intérieur du tuyau intérieur (11) est prévue d'un encastrement en spire (13), et que le conduit d'amenée (3) débouche, de préférence, tangentiellement dans le tuyau intérieur (11).
  11. Dispositif selon la revendication 8, caractérisé en ce qu'une paroi de la chemise extérieure (12), préférablement une paroi de bout s'étendant transversalement à l'axe du tuyau intérieur, est formée d'une manière réglable.
  12. Dispositif selon la revendication 11, caractérisé en ce qu'une paroi de la chemise extérieure (12) est formée comme plaque déplaçable (20), préférablement par un servomoteur électrique.
  13. Dispositif selon une quelconque des revendications 7 à 12, caractérisé en ce qu'au moins un conduit d'amenée de l'air de combustion (6) débouche, de préférence tangentiellement, dans le tuyau intérieur (11).
  14. Dispositif selon la revendication 13, caractérisé en ce qu'un autre conduit d'amenée de l'air de combustion (6) pour l'amenée de l'air secondaire débouche dans l'espace (16) entouré par la chemise extérieure (12).
  15. Dispositif selon une quelconque des revendications 7 à 14, caractérisé en ce qu'une soufflante réglable (7) est prévue dans au moins un conduit d'amenée de l'air de combustion (6).
  16. Dispositif selon la revendication 7, caractérisé en ce que l'ouverture de sortie de flammes (9) est formée comme buse de Venturi.
  17. Dispositif selon la revendication 16, caractérisé en ce que l'ouverture de sortie de flammes (9) est formée comme buse de Venturi à étages multiples, un dispositif de postcombustion étant prévu de préférence entre des étages individuels.
  18. Dispositif selon la revendication 7, caractérisé en ce qu'au moins un volet de réglage (18) est prévu dans l'ouverture de sortie de flammes (9), préférablement formée comme tubulure (17).
  19. Dispositif selon la revendication 7, caractérisé en ce que l'ouverture de sortie de flammes (9) est formée comme labyrinthe.
  20. Dispositif selon la revendication 7, caractérisé en ce que la chambre de combustion (1) avec l'espace de combustion (2), particulièrement le tuyau intérieur (11) et la chemise extérieure (12), qui l'entoure, consistent d'un matériau réfractaire, préférablement céramique.
  21. Dispositif selon la revendication 7, caractérisé en ce que l'espace de combustion (2) est entouré d'une chemise réfrigérante (10).
EP00965620A 1999-10-01 2000-10-02 Procede de production d'energie thermique a partir de fruits oleagineux de faible granulometrie, de preference a partir de colza, et dispositif de mise en oeuvre de ce procede Expired - Lifetime EP1224421B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT00965620T ATE294948T1 (de) 1999-10-01 2000-10-02 Verfahren zum erzeugen thermischer energie aus kleinkörnigen ölfrüchten, vorzugsweise aus raps, und vorrichtung zur durchführung des verfahrens
DK00965620T DK1224421T3 (da) 1999-10-01 2000-10-02 Fremgangsmåde til frembringelse af termisk energi ud fra finkornede olieholdige afgröder, fortrinsvis raps, og indretning til udövelse af fremgangsmåden
SI200030712T SI1224421T1 (en) 1999-10-01 2000-10-02 Method for generating thermal energy from fine-grained oleaginous fruits, preferably from rape and a device for carrying out said method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT168299 1999-10-01
AT0168299A AT408798B (de) 1999-10-01 1999-10-01 Verfahren zum erzeugen thermischer energie aus kleinkörnigen ölfrüchten, vorzugsweise aus raps und vorrichtung zur durchführung des verfahrens
PCT/AT2000/000259 WO2001025688A1 (fr) 1999-10-01 2000-10-02 Procede de production d'energie thermique a partir de fruits oleagineux de faible granulometrie, de preference a partir de colza, et dispositif de mise en oeuvre de ce procede

Publications (2)

Publication Number Publication Date
EP1224421A1 EP1224421A1 (fr) 2002-07-24
EP1224421B1 true EP1224421B1 (fr) 2005-05-04

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EP00965620A Expired - Lifetime EP1224421B1 (fr) 1999-10-01 2000-10-02 Procede de production d'energie thermique a partir de fruits oleagineux de faible granulometrie, de preference a partir de colza, et dispositif de mise en oeuvre de ce procede

Country Status (9)

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US (1) US6732665B1 (fr)
EP (1) EP1224421B1 (fr)
AT (1) AT408798B (fr)
AU (1) AU7630300A (fr)
CA (1) CA2386058C (fr)
DE (1) DE50010248D1 (fr)
ES (1) ES2240168T3 (fr)
PT (1) PT1224421E (fr)
WO (1) WO2001025688A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1636543B1 (fr) 2003-06-17 2019-12-11 Troxler Electronic Laboratories, Inc. Procede pour determiner la dimension d'un echantillon d'un materiau de construction et appareil associe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1082410A (fr) 1953-08-25 1954-12-29 L & C Steinmüller G M B H Chambre de combustion pour combustion pulsée
US2861423A (en) 1955-06-16 1958-11-25 Jerie Jan Combined combustion chamber for burning pulverized fuel and flyash separator
DE1252974B (de) * 1965-09-25 1967-10-26 Siemens Ag Gleichraumbrennkammer
US3802020A (en) * 1972-12-27 1974-04-09 R Stone Mobile field burner
US3880568A (en) * 1973-12-21 1975-04-29 Southwest Res Inst Combustion method and apparatus for generating repetitive explosions
US4334485A (en) * 1979-07-30 1982-06-15 Guida Frank C Method for generating heat energy by intermittent smoke charge combustion
US4655146A (en) * 1984-08-01 1987-04-07 Lemelson Jerome H Reaction apparatus and method
US5249952A (en) * 1992-04-24 1993-10-05 Cosmos Ventures, Inc. Exhaust fume energy source and waste combustion apparatus
US5343819A (en) * 1993-10-01 1994-09-06 Charest Deu Feu Inc. Corn furnace
DE19757619A1 (de) * 1997-12-23 1999-07-01 Sundermann Peters Bernhard M D Vorrichtung und Verfahren zur Erzeugung von Energie aus einem Brennstoff

Also Published As

Publication number Publication date
ES2240168T3 (es) 2005-10-16
DE50010248D1 (de) 2005-06-09
WO2001025688A1 (fr) 2001-04-12
US6732665B1 (en) 2004-05-11
AT408798B (de) 2002-03-25
ATA168299A (de) 2001-07-15
CA2386058C (fr) 2009-04-07
PT1224421E (pt) 2005-09-30
EP1224421A1 (fr) 2002-07-24
AU7630300A (en) 2001-05-10
CA2386058A1 (fr) 2001-04-12

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