EP2597371A1 - Holzheizvorrichtung mit kontinuierlicher Holzeinspeisung - Google Patents

Holzheizvorrichtung mit kontinuierlicher Holzeinspeisung Download PDF

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Publication number
EP2597371A1
EP2597371A1 EP12007693.0A EP12007693A EP2597371A1 EP 2597371 A1 EP2597371 A1 EP 2597371A1 EP 12007693 A EP12007693 A EP 12007693A EP 2597371 A1 EP2597371 A1 EP 2597371A1
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EP
European Patent Office
Prior art keywords
heating device
magazine
logs
combustion chamber
contained
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.)
Withdrawn
Application number
EP12007693.0A
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English (en)
French (fr)
Inventor
André Ricci
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2597371A1 publication Critical patent/EP2597371A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
    • F23B50/12—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed
    • 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
    • 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
    • F23G7/105—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses of wood waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/16—Over-feed arrangements

Definitions

  • the present invention relates to a wood heating device fed by logs including compressed wood and / or traditional type, said device comprising a combustion chamber arranged to accommodate at least one log at a time, equipped with at least one external air intake port, at least one outlet of combustion fumes, and communicating with ash recovery means from the combustion of said logs, said device comprising continuous supply means of said combustion chamber.
  • the publication FR 2,668,581 proposes for example an automatic feeding mechanism of a wood boiler having a plurality of superimposed and inclined slides, for directing logs to a collector channel, itself coupled to a log mount adapted to convey said logs to a loading chute connected to said boiler.
  • Such a solution assumes the implementation of numerous technical means connected to each other and likely to gradually deregulate or even cause a failure of the mechanism in the absence of permanent maintenance. Therefore, such a solution is not only expensive from the point of view of its manufacture but also of its use. Moreover, it has the disadvantage of only operate with previously calibrated logs, those not having adequate dimensions always requiring manual introduction into the combustion chamber. Finally, such a mechanism for automatic feeding of a boiler occupies a large volume and assumes to have a location of suitable size, which is hardly compatible with real estate prices still rising.
  • the present invention aims at overcoming the aforementioned drawbacks by proposing a wood-fired heating device fed automatically and continuously for a given period of time, independently of the presence of a user, by means of a simple structure system. and bulky, so as to minimize its cost, maintenance and congestion.
  • Another object of the invention is to propose such a wood heating device whose continuous feeding system works equally well with logs of calibrated dimensions, such as logs of compressed wood, as with traditional logs of which the dimensions are slightly variable relative to each other within the same category.
  • the subject of the present invention is a wood heating device of the type indicated in the preamble, characterized in that it comprises a store arranged to accommodate a plurality of superimposed logs, said store comprising at least one opening of introduction said logs in said magazine and at least one feed opening communicating with said combustion chamber, arranged to allow the passage of at least one log from said magazine to said combustion chamber, said insertion opening having a movable cover between a open position and a sealed closed position while said feed opening is connected to at least one feed ramp extending transversely inside said magazine and forming, with respect to a horizontal plane, an angle ⁇ chosen so such that said logs contained in said magazine are delivered successively in said combustion chamber issuant by gravity along said feed ramp as and when combustion of said log contained in said combustion chamber.
  • said angle ⁇ is between 40 ° and 50 °.
  • said magazine comprises at least one peripheral wall connected to a bottom defining said feed ramp, said insertion opening being formed near the upper end of said peripheral wall while said opening feed is formed near said bottom.
  • the invention is also characterized in that said peripheral wall comprises at least one thermally insulated partition separating it from the circuit made by the hot convection air inside said heating device.
  • the peripheral wall also has at least a part of a rear face or a side face of the heating device.
  • the heating device comprises a management unit arranged to select different modes of operation of said device.
  • the heating device according to the invention is also characterized in that it comprises means for detecting the open position of said lid.
  • said cover may further comprise a return spring for causing its automatic return to its sealed closed position.
  • the heating device is also characterized in that said feed opening comprises at least one flap arranged to pivot between an open position in which the passage of at least one log contained in said store to said combustion chamber is allowed and a closed position in which the passage of at least one log contained in said magazine to said combustion chamber is prohibited.
  • said magazine may comprise at least one internal separation partition making it possible to define at least two compartments for storing said logs inside said magazine.
  • the heating device may comprise means for detecting the presence of logs in said store.
  • said means for detecting the presence of logs in said magazine can be arranged to trigger a complementary heating device when the quantity of logs contained in said magazine is less than a predetermined threshold value.
  • said means for detecting the presence of logs in said magazine may further comprise warning means arranged to indicate that the amount of logs contained in said magazine is less than a predetermined threshold value.
  • the invention relates to a device 1 for wood heating, such as for example a wood stove, intended to be fed both with logs 5 obtained from compressed wood and logs of traditional type, according to the choice of the user.
  • logs 5 obtained from compressed wood and logs of traditional type, according to the choice of the user.
  • the heating device 1 comprises, in a conventional manner, a combustion chamber 10 equipped with an external combustion air intake port 11 and a coupled combustion fumes outlet orifice 12. a fan 18 for forced extraction of said combustion fumes via a flue (not shown).
  • the combustion air arrives from the outside environment towards the combustion chamber 10 while circulating inside a sealed conduit 110 in the direction indicated by the arrows F0 , whereas the combustion fumes are directed by means of a deflector 24 to a sealed duct 120 in which they circulate in the direction indicated by the arrows F1 in the direction of the outlet orifice 12.
  • the combustion chamber 10 further comprises a receptacle 13, the dimensions of which are such that it allows it to accommodate at least one log 5 at a time.
  • Said receptacle 13 is preferably removable and has perforated walls of a plurality of holes 14 allowing on the one hand the arrival of the combustion air to the home and on the other hand the evacuation of the ash from the combustion successive logs 5 to a removable collection tank 17 and intended to be emptied periodically by a user.
  • a movable gate 16, disposed between the receptacle 13 and the recovery tank 17, also makes it possible, if necessary, to manually shake the ashes contained in the receptacle 13 in order to facilitate their fall into the collection tank 17 and to ensure perfect circulation of combustion air in the combustion chamber 10.
  • the illustrated heating device 1 is of the electronically controlled type, and as such comprises means for automatically igniting the fire in said combustion chamber 10, such as for example at least one electric spark plug 15 (cf. Fig. 3 ) allowing an electronic ignition of the log 5 contained in the receptacle 13.
  • the wood heating device according to the invention would be of traditional type, the log 5 could also be ignited manually, by example using a liquid or solid firelighter, newspaper, small wood, or any other similar ignition means.
  • Heat exchangers 20 also cause the transfer of the heat produced by the combustion of the logs 5 to the circulating convection air, from an inlet orifice 21 coupled to a fan 22, in the direction of the arrows F2 through a conduit watertight 210 (cf. Fig. 4 ).
  • the convection air is discharged to the ambient environment by means of a series of ventilation fins 23, possibly motorized.
  • the front face 25 of the heating device 1 further comprises, in a conventional manner, a glazed door 19, movable between a sealed closed position and an open position obtained only when the heating device 1 is off and cold.
  • the glazed door 19 mainly allows to visualize the flames rising in the combustion chamber, for the purpose as well to check the smooth running of the combustion as to enjoy the beauty of the fire. Its opening makes it possible to proceed to the cleaning of the combustion chamber 10, the receptacle 13 or of said glass door 19. In the case of a wood-burning device of traditional type, the opening of the glass door 19 also allows the manual introduction into the combustion chamber 10 of the various means of manual ignition of the fire mentioned above.
  • the heating device 1 also comprises means for automatically feeding the combustion chamber 10, allowing it to operate continuously for a predetermined period of time, by avoiding the compulsory presence of a user to regularly introduce logs 5 into the receptacle 13 via the glass door 19.
  • the heating device 1 comprises for this purpose a magazine 4, 400, 410 arranged to accommodate a plurality of superimposed logs.
  • the magazine 4, 400, 410 is defined by the rear face 26, a portion of the side faces 27 of the heating device 1, a bottom 28, and a partition 29 thermally insulated separating it from the circuit made by the hot convection air inside the sealed conduit 210.
  • the magazine 4, 400, 410 has an insertion opening 40 formed by the upper ends of the partition 29, rear faces 26, and side 27 of the heating device 1.
  • the opening 40 allows the filling of the magazine 4 by the introduction of the logs 5. It comprises a lid 6 movable between an open position allowing access to the magazine 4, 400, 410 and a sealed closed position prohibiting this access.
  • the cover 6 and / or the opening 40 includes a seal guaranteeing the sealing of the position closed of said cover 6.
  • the heating device 1 may comprise means for detecting the open position of the cover 6, such as, in particular, a probe (not shown) connected for example to sound or visual signaling means, where appropriate linked to a delay in case of non-closure of the sealed lid 6, to an automatic closing mechanism of the lid, to a delay or to means able to cut the operation of the heating device 1.
  • the magazine 4, 400, 410 also comprises a feed opening 41 communicating with the combustion chamber 10 and whose dimensions allow the passage of at least one log 5 at a time from said magazine 4, 400, 410 to said chamber
  • the feed opening 41 is connected to the bottom 28 of the magazine 4, 400, 410 which, with respect to a horizontal plane P , forms an angle ⁇ , preferably between 40 ° and 50 °. °.
  • the logs 5 contained in the magazine 4, 400, 410 are delivered automatically and successively into the receptacle 13 of the combustion chamber 10 by sliding by gravity, as and when the combustion of the log 5 contained in the receptacle 13, along the bottom 28 advantageously defining a feed ramp.
  • the feed opening 41 comprises at least one pivoting flap 7 arranged to occupy an open position in which the passage of at least one log 5 contained in the magazine 4, 400, 410 to the combustion chamber 10 is authorized and a closed position in which the logs 5 are retained in said magazine 4, 400, 410.
  • the closed position of the pivoting flap 7 allows in particular to proceed to a cleaning of the combustion chamber 10 without having to emptying the magazine 4, 400, 410, or simply stopping the supply of the combustion chamber 10 and therefore the operation of the heater 1.
  • the heating device 1 may comprise a magazine 4 without internal partitioning (cf. Fig. 3 and 4 ), in which the logs 5 simply rest on each other and are organized relative to each other as and when they are introduced into said magazine 4 and their sliding along the bottom 28.
  • the heating device 1 may also comprise a magazine 400 equipped with four compartments 300 of vertical axis delimited by internal vertical partitions 32, 33, 34.
  • the heating device 1 may comprise a magazine 410 having two compartments 310 of vertical axis delimited by a vertical partition 31, interposed for example halfway between the rear face 26 of the heating device 2 and the insulated partition 29.
  • the dimensions of the magazine 4, 400, 410 and the compartments 300, 310 are variable and adjusted with respect to the size of the logs 5 that they are supposed to contain and to the quantity of logs 5 that the user wishes to store in the magazine 4, 400, 410.
  • the compartmentalized configurations are more particularly suitable for large volume stores they optimize optimally through organized stacking and no game logs 5 which can therefore be welcomed more numerous.
  • other embodiments in which the magazine is compartmentalized differently from the illustrated examples are also conceivable.
  • the heating device 1 may be equipped with means for detecting the presence of logs 5 in the magazine 4, 400, 410 arranged, if necessary, to trigger a complementary heating device when the quantity of logs 5 contained in said magazine 4, 400, 410 is less than a pre-established threshold value.
  • a complementary heating device can be defined for example by an oil boiler, an electric central heating, a pellet stove or any other heating device able to take over in the event of a stoppage of operation of the wood heating device. 1 according to the invention.
  • the means for detecting the presence of logs 5 in said magazine 4, 400, 410 may also simply comprise warning means, such as in particular a light or sound signal, the sending of a message via a network of signals. telecommunications, arranged to indicate to a user that the amount of logs 5 contained in the magazine 4, 400, 410 is less than a predetermined threshold value and that a filling of the magazine 4, 400, 410 is required.
  • the heating device 1 can be coupled to a management unit (not shown) controlled, if necessary, remotely by means of a remote control and in particular making it possible to manage the speed of combustion. , and / or the speed of rotation of the fans as well as any other operating parameter of said heating device 1.
  • a management unit not shown
  • the invention achieves the goals set, namely to propose a heating device 1 fed by logs of wood 5 of any type and structure, as well calibrated such as logs of compressed wood than uncalibrated, said heater having a increased autonomy thanks to a longer burning time without human intervention.
  • the heating device 1 according to the invention further comprises a simple structure allowing its manufacture at lower cost and requiring only limited maintenance.
  • its compact structure has a small footprint and allows its installation in a small room, including a living room of a home.
  • the present invention is not limited to the embodiment described but extends to any modification and variation obvious to a person skilled in the art while remaining within the scope of protection defined in the appended claims.
  • the present invention also relates to other wood-burning appliances such as, for example, inserts, stoves, fireplaces. wood-fired central heating boilers or any other appliance of the same type, modified to incorporate a 4,400,410 store and, where appropriate, suitably sized.
EP12007693.0A 2011-11-23 2012-11-14 Holzheizvorrichtung mit kontinuierlicher Holzeinspeisung Withdrawn EP2597371A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1103564A FR2982931A1 (fr) 2011-11-23 2011-11-23 Dispositif de chauffage au bois alimente en continu

Publications (1)

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EP2597371A1 true EP2597371A1 (de) 2013-05-29

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EP12007693.0A Withdrawn EP2597371A1 (de) 2011-11-23 2012-11-14 Holzheizvorrichtung mit kontinuierlicher Holzeinspeisung

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EP (1) EP2597371A1 (de)
FR (1) FR2982931A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2886953A1 (de) 2013-12-19 2015-06-24 Martijn Arnold Van Rossum Holzofen mit einer versorgungsleitung für scheiten

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56157705A (en) * 1980-05-07 1981-12-05 Toshiba Electric Appliance Co Ltd Combustion device for solid fuel
US4442825A (en) * 1980-01-21 1984-04-17 Geoffrey Waldau Fuel feeder device for space heating stoves
FR2600312A1 (fr) * 1986-06-23 1987-12-24 Costes William Distributeur de buches pour cheminee
FR2668581A1 (fr) 1990-10-26 1992-04-30 Clement Pascal Distributeur de buches pour l'alimentation des chaudieres a bois.
US5462046A (en) * 1994-04-22 1995-10-31 Hannah; Jacquilyn K. Fireplace log dispensing apparatus
FR2721096A1 (fr) 1994-06-10 1995-12-15 Philippe Zinty Dispositif d'alimentation et d'allumage automatique d'une chaudière avec du bois de chauffage.
WO2009021255A2 (de) * 2007-08-14 2009-02-19 Peter Winkler Vorrichtung zum verbrennen von festbrennstoffelementen
EP2157373A1 (de) * 2008-08-18 2010-02-24 Ulrich Finger Holzbrikett-Beschickungsanlage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442825A (en) * 1980-01-21 1984-04-17 Geoffrey Waldau Fuel feeder device for space heating stoves
JPS56157705A (en) * 1980-05-07 1981-12-05 Toshiba Electric Appliance Co Ltd Combustion device for solid fuel
FR2600312A1 (fr) * 1986-06-23 1987-12-24 Costes William Distributeur de buches pour cheminee
FR2668581A1 (fr) 1990-10-26 1992-04-30 Clement Pascal Distributeur de buches pour l'alimentation des chaudieres a bois.
US5462046A (en) * 1994-04-22 1995-10-31 Hannah; Jacquilyn K. Fireplace log dispensing apparatus
FR2721096A1 (fr) 1994-06-10 1995-12-15 Philippe Zinty Dispositif d'alimentation et d'allumage automatique d'une chaudière avec du bois de chauffage.
WO2009021255A2 (de) * 2007-08-14 2009-02-19 Peter Winkler Vorrichtung zum verbrennen von festbrennstoffelementen
EP2157373A1 (de) * 2008-08-18 2010-02-24 Ulrich Finger Holzbrikett-Beschickungsanlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2886953A1 (de) 2013-12-19 2015-06-24 Martijn Arnold Van Rossum Holzofen mit einer versorgungsleitung für scheiten

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FR2982931A1 (fr) 2013-05-24

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