FR2743869A1 - Furnace for burning shredded green wood - Google Patents

Furnace for burning shredded green wood Download PDF

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Publication number
FR2743869A1
FR2743869A1 FR9600544A FR9600544A FR2743869A1 FR 2743869 A1 FR2743869 A1 FR 2743869A1 FR 9600544 A FR9600544 A FR 9600544A FR 9600544 A FR9600544 A FR 9600544A FR 2743869 A1 FR2743869 A1 FR 2743869A1
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Prior art keywords
boiler
condenser
exchanger
enclosure
base
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French (fr)
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FR2743869B1 (en
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CLERC DE BUSSY LE
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CLERC DE BUSSY LE
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
    • F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
    • F24H1/28—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes
    • F24H1/285—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes with the fire tubes arranged alongside the combustion chamber
    • 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
    • F23B7/002—Combustion techniques; Other solid-fuel combustion apparatus characterised by gas flow arrangements
    • F23B7/005—Combustion techniques; Other solid-fuel combustion apparatus characterised by gas flow arrangements with downdraught through fuel bed and grate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

The furnace has a firebox (14) with a grate (15) on which the green wood, broken down into small fragments, is burned in a thin layer (16) which is constantly fed. The wood is burned in the presence of a pre-heated air flow which is fed downwards through the firebox. The air emerges together with gases from the wood at the bottom to be mixed with tertiary air and fed back up through a combustion chamber (9). After ignition, the gases give off most of their heat in heat exchangers (5,6) before passing through an exchanger/condenser (25). Beneath the firebox and in line with its axis of symmetry the furnace has an open-topped chamber (33) which is connected to the combustion chamber (9). The chamber (33) is closed at the bottom by a shutter unit (39), and its side wall has a series of calibrated apertures (38). A conical manifold (8) is situated beneath the furnace, connecting the lower ends of the heat exchanger and condenser and having its lower end linked to a water column (22) for collecting sediment.

Description

Le type de chaudière auquel s'appliquent les perfectionnements objets de la présente invention est décrit dans les documents PS 93.11 1200 et 91-09684. Elle est du t"pe à volumes internes disposés < 'onL'entflquelnent a partir du foyer (14): fonctionnant sous dépression. et dont le lit de combustion
16). de faible épaisseur reposant sur iagnlle( 15) de l'entonnoir ouvert (17). est alimenté en continu à l'aide de fragments de bols vert .The type of boiler to which the improvements object of the present invention apply is described in documents PS 93.11 1200 and 91-09684. It is t "pe with internal volumes arranged <'onL'entflquelnent from the hearth (14): operating under vacuum. And whose combustion bed
16). of small thickness resting on iagnlle (15) of the open funnel (17). is continuously fed using fragments of green bowls.

Une planche unique est annexée au dossier, elle représente, en coupe, un exemple de réalisation non limitatif équipé des perfectionnements selon l'invention. A single plate is appended to the file, it represents, in section, a nonlimiting exemplary embodiment equipped with improvements according to the invention.

Construite selon un axe de symétrie vertical (I) son enveloppe forme la double paroi (2) laquelle comporte les issues (3) et (4) qui permettent d'inclure l'eau qu'elle contient dans le circuit d'une installation de chauffage non représentée
A l'intérieur de l'enveloppe (2) sont disposés concentriquement
suspendu, l'entonnoir- foyer (14) dans lequel prend place la grille (I 15) sur laquelle repose le lit de combustion ( 16) constitué des fragments de bois vert . déposés en continu, qui s'y consument.Built along a vertical axis of symmetry (I) its envelope forms the double wall (2) which includes the exits (3) and (4) which allow the water it contains to be included in the circuit of a heating not shown
Inside the envelope (2) are arranged concentrically
suspended, the funnel-hearth (14) in which takes place the grid (I 15) on which rests the combustion bed (16) made of fragments of green wood. continuously deposited, which are consumed there.

2) La chambre de combustion (9) qui entoure le foyer (14) et dont la paroi extérieure ( lO)est constituée de pisé réfractaire. Dans cette paroi est implanté un caisson annulaire (12) en communication avec l'atmosphère par l'intermédiaire du tube (12). Ce caisson est percé de trous calibrés ( 13) débouchant à la base de la chambre (9) 3) Incorporé à l'enveloppe (2), un faisceau de tubes échangeurs, extérieurement irrigués, dont deux sont représentés en (5) et (6). Ces tubes débouchent à leur base en (7) à l'intérieur du collecteur (8). 2) The combustion chamber (9) which surrounds the hearth (14) and whose outer wall (10) is made of refractory clay. In this wall is located an annular box (12) in communication with the atmosphere via the tube (12). This box is pierced with calibrated holes (13) opening at the base of the chamber (9) 3) Incorporated into the casing (2), a bundle of exchanger tubes, externally irrigated, two of which are shown in (5) and ( 6). These tubes open at their base at (7) inside the manifold (8).

4) Un condenseur (25) qui est enserré entre la virole (32) et la paroi (2) de la chaudière. Il est constitué à partir d'un tube à ailettes rectangulaires (26) enroulé en spirale, et dont le tube (26), porteur des ailettes, muni d'une entrée (28) et d'une sortie (29) est parcouru par de l'eau froide, tandis que les ailettes, en positions verticales et radiales sont traversées par le flux des gaz brûlés, flux repris par le collecteur (30) en communication par le conduit (31) par lequel s'effectue la mise en dépression de la chaudière.4) A condenser (25) which is enclosed between the ferrule (32) and the wall (2) of the boiler. It is formed from a tube with rectangular fins (26) wound in a spiral, and whose tube (26), carrying the fins, provided with an inlet (28) and an outlet (29) through which cold water, while the fins, in vertical and radial positions, are crossed by the flow of burnt gases, flow taken up by the manifold (30) in communication by the conduit (31) through which the vacuum is effected of the boiler.

Au - dessus du lit de combustion (16) est placé un entonnoir d'alimentation (17) demeurant ouvert pendant le fonctionnement ce qui permet d'établir une alimentation continue en fragments. A l'intérieur et en périphérie de l'entonnoir (17) débouchent en (18) les tuyaux (19) d'un échangeur de température situé dans la chambre de combustion (9) elle-meme. Par l intermédiaire du conduit (20) appartenant au collecteur (2 (21). il est possible de pulser de l'air ambiant qui en traversant les tubes échangeurs ( 19) sera porté à haute température. Above the combustion bed (16) is placed a feed funnel (17) which remains open during operation, thereby establishing a continuous supply of fragments. Inside and at the periphery of the funnel (17) open into (18) the pipes (19) of a temperature exchanger located in the combustion chamber (9) itself. By means of the conduit (20) belonging to the manifold (2 (21). It is possible to pulsate ambient air which, through the exchanger tubes (19), will be brought to high temperature.

Sous la grille (15) et dans l'entonnoir-foyer (14) prend place le tube (34) en communication avec l'atmosphère par son entrée (27). Le tube (34) comporte des orifices calibrés (35). Under the grid (15) and in the funnel-hearth (14) takes place the tube (34) in communication with the atmosphere by its inlet (27). The tube (34) has calibrated orifices (35).

Le collecteur (8) dont le fond est incliné est fermé à sa base par la colonne d'eau d'un décanteur formant siphon (22) comportant un déversoir (23). Cette disposition permet de séparer de l'atmosphère le volume interne des éléments de la chaudière D'autre part le collecteur (8) met en communication la sortie (7) de l'échangeur (5)6) 6) avec l'entrée (24) du condenseur (25).  The collector (8) whose bottom is inclined is closed at its base by the water column of a decanter forming a siphon (22) comprising a weir (23). This arrangement allows the internal volume of the elements of the boiler to be separated from the atmosphere. On the other hand, the collector (8) places the outlet (7) of the exchanger (5) 6) in communication with the inlet ( 24) of the condenser (25).

L'enceinte (3') réceptrice de l'essentiel des cendres issues du ttlxCz (14) est pl'cee dans son prolongement. Elle est fermée à sa base par une écluse dont le fonctionnement permet l'établîssement d'un lit formé des cendres mêlées d'escarbilles (40), lit stabilise en hauteur grâce aux actions combinées des capteurs (36) et (37) et de l'écluse (39). L'enceinte (33) comporte en périphérie des onfices (38) calibrés par lesquels pénètre l'air nécessaire à la combustion des escarbilles contenues dans les cendres recueillies. The enclosure (3 ') which receives most of the ash from the ttlxCz (14) is extended. It is closed at its base by a lock whose operation allows the establishment of a bed formed from ash mixed with carbuncles (40), bed stabilizes in height thanks to the combined actions of sensors (36) and (37) and the lock (39). The enclosure (33) has peripheries (38) calibrated inlets through which penetrates the air necessary for the combustion of the carbuncles contained in the ash collected.

Sous l'écluse un conteneur (41) recueille les cendres issues de la chaudière. Under the lock a container (41) collects the ashes from the boiler.

Les flèches (42) et (43) représentent les retournements imposés aux gaz brûlés à l'intérieur de la chaudière. The arrows (42) and (43) represent the reversals imposed on the burnt gases inside the boiler.

Les perfectionnements objets de l'invention ont pour but de soustraire les cendres aux gaz brulés afin de les émettre proprement dans l'atmosphère. The object improvements of the invention are to remove the ash from the burnt gas in order to emit it cleanly into the atmosphere.

La présente analyse, des caractéristiques du fonctionnement va montrer les étapes aux cours desquelles sont réalisés les traitements spécifiques appliqués aux cendres dans la chaudière. This analysis of operating characteristics will show the stages during which the specific treatments applied to the ash in the boiler are carried out.

Par l'intermédiaire du conduit (3 1), relié à l'ouïe-aspiration d'un ventilateur non représenté, est réalisée la mise en dépression des volumes internes de la chaudière associée vases éléments constitutifs:
Foyer (14), Chambre de combustion (9), échangeur (5H6), collecteur (8), condenseur (25). Cette dépression détermine les entrées d'air pénétrant par les issues ouvertes en communication avec le volume interne de la chaudière.By means of the duct (3 1), connected to the hearing-suction of a fan not shown, the internal volumes of the associated boiler are placed under vacuum: constituent vessels:
Fireplace (14), Combustion chamber (9), exchanger (5H6), manifold (8), condenser (25). This vacuum determines the air inlets entering through the open outlets in communication with the internal volume of the boiler.

a - Air primaire traversant le lit de combustion (16) reposant sur la grille (15) du foyer (14). a - Primary air passing through the combustion bed (16) resting on the grate (15) of the hearth (14).

b - Air secondaire débouchant par les orifices (35) de la canne centrale (34)
c - Air tertiaire délivré au bas de la chambre de combustion (9) par les onfices (13) du caisson (11), entrée d'air située au - dessus de la base du foyer(14).b - Secondary air emerging through the orifices (35) of the central rod (34)
c - Tertiary air delivered at the bottom of the combustion chamber (9) by the openings (13) of the box (11), air inlet located above the base of the hearth (14).

d - Air quaternaire pénétrant par les orifices (38) à la base de l'enceinte (33).  d - Quaternary air penetrating through the orifices (38) at the base of the enclosure (33).

L'air pnmaire pulsé par l'intermédiaire du conduit (20) traverse les tubes (19) incorporées à la chambre de combustion (9) et débouche par les orifices (18) à l'intérieur de l'entonnoir (17). The primary air blown through the conduit (20) passes through the tubes (19) incorporated in the combustion chamber (9) and emerges through the orifices (18) inside the funnel (17).

L'intensité de ce flux d'air à température élevée est réglée de telle sorte qu'il s'oppose à l'entrée d'air frais en provenance de la gueule de l'entonnoir (17). Ce flux à température élevé (4000C environ! pénètre au travers du lit de combustion (16) et son potennel thermique est tel qu'il provoque l'expulsion brutale de l'eau contenue dans les fragments de bois vert aussitôt déposés à la surface du lit. ce qui permet leur mise en combustion sous-Jacente.The intensity of this flow of air at high temperature is adjusted so that it opposes the entry of fresh air from the mouth of the funnel (17). This flow at high temperature (about 4000C! Penetrates through the combustion bed (16) and its thermal potential is such that it causes the sudden expulsion of the water contained in the fragments of green wood immediately deposited on the surface of the lit. which allows their underlying combustion.

Le flux important de gaz en ignition contient la vapeur d'eau extraite du bois vert déposé sur le lit de combustion. Ce flux. dont la vitesse est relativement élevée. est chargé des cendres et escarbilles ayant traversé la gnlle. Il contient une forte proportion de gaz CO. lequel brule partiellement en présence de l'air secondaire débouchant sous la grille (15). par les onfices (35) de la canne (34).  The large flow of gas in ignition contains the water vapor extracted from the green wood deposited on the combustion bed. This flow. whose speed is relatively high. is responsible for the ashes and carbuncles having crossed the gnlle. It contains a high proportion of CO gas. which partially burns in the presence of secondary air emerging under the grid (15). by the canals (35) of the cane (34).

Sous l'effet de l appel provenant de la dépression établie en aval, les gaz brûlés se retournent en (42) pour pénétrer à la base de la chambre de combustion (9) ou oti ils rencontrent le complément d'air necessaire à leur conlbustioll complète, complement provenant deb rtricc. i du caisson Il).  Under the effect of the call coming from the depression established downstream, the burnt gases are turned over at (42) to penetrate at the base of the combustion chamber (9) where they meet the additional air necessary for their combustion. complete, complement from deb rtricc. i of box II).

Selon l'une des dispositions caracténstiques de l mxentl()n. laquelle comporte l'enceinte (33).  According to one of the characteristic provisions of l mxentl () n. which includes the enclosure (33).

ouvcrte vers le haut. placée selon l'axe de symétrie (I) et sous le foyer (14). le volume interne de la dite enceinte étant en communication avec celui de la chaudière elle-même, les cendres mêlées d'escarbilles continuent leur trajectoire pour se déposer dans la dite enceinte et ainsi. se trouver soustraites aux gaz brûlés qui, après leur retournement, entrent dans la chambre de combustion (9). opens up. placed along the axis of symmetry (I) and under the focal point (14). the internal volume of said enclosure being in communication with that of the boiler itself, the ashes mixed with carbuncles continue their trajectory to deposit in said enclosure and thus. be withdrawn from the burnt gases which, after their overturning, enter the combustion chamber (9).

L'enceinte (33) est fermée à sa base par l'écluse (39). Celle-cl. en combinaison avec les capteurs de niveau (36) et (37). permet la rétention pour une durée suffisante d'un volume de cendres (40) afin que les escarbilles contenues brûlent en présence de l'air quaternaire pénétrant par les orifices calibrés (38) perces dans la parol de l'enceinte (33). Les gaz brûles Issus de cette combustion complémentaire rejoignent le flux principal de gaz abordant la base de la chambre de combustion. The enclosure (33) is closed at its base by the lock (39). This one. in combination with the level sensors (36) and (37). allows the retention for a sufficient period of a volume of ash (40) so that the carbuncles contained burn in the presence of quaternary air penetrating through the calibrated orifices (38) pierced in the floor of the enclosure (33). The burnt gases from this additional combustion join the main gas flow approaching the base of the combustion chamber.

En traversant la chambre de combustion. les gaz en ignition achevent leur combustion. ce qui a pour effet de maintenir l'entonnoir foyer (14) ainsi que les tubes (19) à température élevée. Ensuite. ils basculent vers l'échangeur (5)-(6) de la chaudière ou ils cèdent la majeure partie de leur potentiel. La température des gaz brûlés se retrouve à quelque 200 "C.  Crossing the combustion chamber. the igniting gases complete their combustion. which has the effect of maintaining the hearth funnel (14) and the tubes (19) at high temperature. Then. they switch to the exchanger (5) - (6) of the boiler or they give up most of their potential. The temperature of the burnt gases is around 200 "C.

Selon d'autres caractéristiques de l'invention, un échangeur-condenseur (25) est associé et accolé à la périphérie de la chaudière. Ce condenseur est traversé de bas en haut par les gaz brûlés. According to other features of the invention, an exchanger-condenser (25) is associated and attached to the periphery of the boiler. This condenser is crossed from bottom to top by the burnt gases.

De plus un collecteur à fond incliné (8) est fixé sous la chaudière. II met en communication l'issue des tubes (5) et (6) de l'échangeur avec la base du condenseur (25). les volumes internes des dits collecteurs et condenseurs étant en communication avec celui de la chaudière. Du fait de ces dispositions, un second retournement (43) se produit, mais cette fois lorsque la vitesse d'écoulement des gaz brûlés se trouve fortement diminuée à cause de l'expansion radiale des volumes parcourus. et de l'abaissement de leur température. In addition, an inclined bottom collector (8) is fixed under the boiler. It communicates the outlet of the tubes (5) and (6) of the exchanger with the base of the condenser (25). the internal volumes of said collectors and condensers being in communication with that of the boiler. Because of these provisions, a second reversal (43) occurs, but this time when the flow speed of the burnt gases is greatly reduced due to the radial expansion of the volumes traveled. and lowering their temperature.

De cette manière. les cendres fines encore véhiculées par les gaz brûlés Issus de l'échangeur (5F(6) vont de nouveau subir une séparation en continuant leur traiectoire pour se retrouver au fond du collecteur (8). In this way. the fine ashes still carried by the burnt gases From the exchanger (5F (6) will again undergo separation by continuing their trajectory to find themselves at the bottom of the collector (8).

Les gaz brûlés ne contenant plus guère que les ultra-fines pénètrent après leur retoumement (43) dans le condenseur (25). Dans ce parcours où leur température s'abaisse en dessous de 50"C. la condensation de la vapeur d'eau qu'ils contiennent s'opère et les ultra fines collent à l'eau produite qui. s'écoulant à contre-courant les entraine ainsi que les fines précédemnient déposées au fond du collecteur (8) d'où elles s'acheminent vers le réservoir décanteur (32). alimenté par siphon. où sont recueillis séparément l'eau condensée par débordement d'une pan. et les cendres déposées de l'autre.  The burnt gases containing little more than the ultra-fine penetrate after their whirling (43) in the condenser (25). In this course where their temperature drops below 50 "C. the condensation of the water vapor which they contain takes place and the ultra fines stick to the produced water which. Flowing against the current entrains them as well as the fines previously deposited at the bottom of the collector (8) from where they flow towards the decanting tank (32), supplied by siphon, where the condensed water is collected separately by overflowing a pan, and the ashes deposited on the other.

Claims (7)

Revendications: Claims: I - Cllauditrr fonctionnant sous depression organisee. du hpe n volume Énternes disposés concentriquement à partir du foyer (14). pour la conversion en energle calonfique du bois vert préalablement réduits en fragtnents, lesquels sont déposés en continu à la surface du lit de combustion (16) de faible épaisseur reposant sur la gnlle (15) de l'entonnoir-foyer (14) pour y etre consumé en présence d'un flux d'air primaire. porté préalablement à température élevée. qui le traverse de haut en bas, les gaz en ignition ainsi produits débouchant à la base du foyer (14) où ils se retournent pour pénétrer, en présence du flux d'air tertiaire, dans la chambre de combustion (9! où ils achèvent leur ignition avant de gagner. après basculement l'échangeur tubulaire (5)-(6) où ils cèdent la majeur partie de leur potentiel thermique. tandis que le restant est prélevé en traversant un échangeur-condenseur.  I - Cllauditrr operating under organized depression. of the hpe n volume Internals arranged concentrically from the focus (14). for the conversion into green energy of previously reduced green wood into fragments, which are continuously deposited on the surface of the combustion bed (16) of low thickness resting on the nozzle (15) of the funnel-hearth (14) to be consumed in the presence of a primary air flow. brought to high temperature beforehand. which crosses it from top to bottom, the ignition gases thus produced emerging at the base of the hearth (14) where they are turned over to penetrate, in the presence of the tertiary air flow, into the combustion chamber (9! where they complete their ignition before gaining, after tilting the tubular exchanger (5) - (6) where they yield most of their thermal potential, while the remainder is withdrawn by passing through a condenser-exchanger. juxtaposé à la chaudière. caractérisé en ce qu'une enceinte (33). ouverte vers le haut est placée selon l'axe de symétrie(l) et sous le foyer (14). le volume interne de la dite enceinte étant en communication avec celui de la chaudière elle-mème.juxtaposed with the boiler. characterized in that an enclosure (33). open upwards is placed along the axis of symmetry (l) and under the hearth (14). the internal volume of said enclosure being in communication with that of the boiler itself. 2 - Chaudière selon la revendication 1 caractérisée en ce que l'enceinte (i3) est fermée à sa base par une écluse (39). 2 - Boiler according to claim 1 characterized in that the enclosure (i3) is closed at its base by a lock (39). 3 - chaudière selon les revendications I et 2 caractérisée en ce que la paroi de l'enceinte (33) comporte des orifices calibrés (38). 3 - boiler according to claims I and 2 characterized in that the wall of the enclosure (33) has calibrated orifices (38). 4 - Chaudière selon la revendication I caractérisée en ce qu'un échangeurcondenseur (25) est associé et accolé à sa périphérie, condenseur traversé de bas en haut par les gaz brûlés. 4 - Boiler according to claim I characterized in that a condenser exchanger (25) is associated and attached to its periphery, condenser crossed from bottom to top by the burnt gases. 5 - Chaudière selon les revendications I et 4 caractérisée en ce qu'un collecteur à fond incliné (8) est fixé sous la chaudière, mettant en communication l'issue de l'échangeur (5)i6) avec la base du condenseur (25) les volumes internes des dits collecteurs et condenseurs étant en communication avec celui de la chaudière. 5 - Boiler according to claims I and 4 characterized in that an inclined bottom collector (8) is fixed under the boiler, connecting the outlet of the exchanger (5) i6) with the base of the condenser (25 ) the internal volumes of said collectors and condensers being in communication with that of the boiler. 6 - Chaudière selon les revendications 1- 4 et 5 caractérisée en ce que le volume interne du collecteur (8) à fond incliné est fermé à sa base par la colonne d'eau d'un décanteur formant siphon (22), comportant un déversoir (23). 6 - Boiler according to claims 1- 4 and 5 characterized in that the internal volume of the collector (8) with inclined bottom is closed at its base by the water column of a decanter forming a siphon (22), comprising a weir (23). 7 - Chaudière selon les revendications 1-3-4-5 et 6 caractérisée en ce que le condenseur (25) dont le tube (26). porteur des ailettes, munl des entrée (28) et sortie (29) est parcouru par de l'eau froide, tandis que les ailettes, en positions verticales et radiales sont traversées de bas en haut par le flux des gaz brûlés, flux repns par le collecteur (30) en communication par le conduit (31) par lequel s'effectue la mise en dépression de la chaudière.  7 - Boiler according to claims 1-3-4-5 and 6 characterized in that the condenser (25) including the tube (26). carrier of the fins, provided with the inlet (28) and outlet (29) is traversed by cold water, while the fins, in vertical and radial positions are traversed from bottom to top by the flow of burnt gases, flow repns by the manifold (30) in communication through the conduit (31) through which the vacuum is applied to the boiler.
FR9600544A 1996-01-18 1996-01-18 IMPROVED BOILER FOR THE OWN COMBUSTION OF GREEN WOOD Expired - Fee Related FR2743869B1 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806783A1 (en) * 2000-03-23 2001-09-28 Clerc De Bussy Le Rotating hearth, for combustion of broken up wood, comprises internal grille and is installed in stove combustion chamber, hearth internal volume communicates with external atmosphere
EP1300631A2 (en) * 2001-10-02 2003-04-09 Heribert Posch Combustion apparatus
EP1571393A1 (en) * 2004-03-03 2005-09-07 de Bussy, Jacques Method and device for combustion of biomass with high water content
WO2006004563A1 (en) * 2004-06-30 2006-01-12 Ali Nizami Ozcan Double-fuelled tubeless boiler with two combustion chambers
FR2890154A1 (en) * 2005-08-31 2007-03-02 Bussy Jacques Marie Yves De Combustion method for raising combustion temperature of low grade biomass e.g. wood, involves forming, at top of fragmented biomass, surface on which combustion bed is established and maintained at constant height
CN102734920A (en) * 2012-07-16 2012-10-17 李小艳 Waste heat recovery water heater

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884566C (en) * 1951-06-12 1953-07-27 Hans Hoefinghoff Wrought iron boiler for steam and hot water heating systems
DE2404701A1 (en) * 1974-01-04 1975-08-07 Heinz Hoelter Small pulverised coal fired boiler - has a slag removing rotating wheel with slag cooling cycle
EP0058306A2 (en) * 1981-02-12 1982-08-25 Firma Walter Kroll Combustion device
FR2710399A1 (en) * 1993-09-21 1995-03-31 Clerc De Bussy Le Methods for continuous combustion of fragmented wood and application to a heating system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884566C (en) * 1951-06-12 1953-07-27 Hans Hoefinghoff Wrought iron boiler for steam and hot water heating systems
DE2404701A1 (en) * 1974-01-04 1975-08-07 Heinz Hoelter Small pulverised coal fired boiler - has a slag removing rotating wheel with slag cooling cycle
EP0058306A2 (en) * 1981-02-12 1982-08-25 Firma Walter Kroll Combustion device
FR2710399A1 (en) * 1993-09-21 1995-03-31 Clerc De Bussy Le Methods for continuous combustion of fragmented wood and application to a heating system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806783A1 (en) * 2000-03-23 2001-09-28 Clerc De Bussy Le Rotating hearth, for combustion of broken up wood, comprises internal grille and is installed in stove combustion chamber, hearth internal volume communicates with external atmosphere
EP1300631A2 (en) * 2001-10-02 2003-04-09 Heribert Posch Combustion apparatus
EP1300631A3 (en) * 2001-10-02 2004-02-04 Heribert Posch Combustion apparatus
EP1571393A1 (en) * 2004-03-03 2005-09-07 de Bussy, Jacques Method and device for combustion of biomass with high water content
FR2867258A1 (en) 2004-03-03 2005-09-09 Bussy Jacques Marie Yves De METHOD AND DEVICE FOR COMBUSTION OF BIOMASS ACCOMPANIED AND ACTIVATED BY A HIGH PROPORTION OF WATER
WO2006004563A1 (en) * 2004-06-30 2006-01-12 Ali Nizami Ozcan Double-fuelled tubeless boiler with two combustion chambers
EA009160B1 (en) * 2004-06-30 2007-10-26 Али Низами Озджан Doubled-fueled tubeless boiler with two combustion chambers
FR2890154A1 (en) * 2005-08-31 2007-03-02 Bussy Jacques Marie Yves De Combustion method for raising combustion temperature of low grade biomass e.g. wood, involves forming, at top of fragmented biomass, surface on which combustion bed is established and maintained at constant height
EP1760399A1 (en) * 2005-08-31 2007-03-07 de Bussy, Jacques Method and burner for the conversion of biomass into a hot gas stream
CN102734920A (en) * 2012-07-16 2012-10-17 李小艳 Waste heat recovery water heater

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