EP1396682A1 - Abnehmbare Rauchgasbuchse mit automatischem Ventil und mit Nachverbrennungskammer für eine Heizanlage - Google Patents

Abnehmbare Rauchgasbuchse mit automatischem Ventil und mit Nachverbrennungskammer für eine Heizanlage Download PDF

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Publication number
EP1396682A1
EP1396682A1 EP03360096A EP03360096A EP1396682A1 EP 1396682 A1 EP1396682 A1 EP 1396682A1 EP 03360096 A EP03360096 A EP 03360096A EP 03360096 A EP03360096 A EP 03360096A EP 1396682 A1 EP1396682 A1 EP 1396682A1
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EP
European Patent Office
Prior art keywords
smoke box
box according
chamber
nozzle
afterburner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03360096A
Other languages
English (en)
French (fr)
Other versions
EP1396682B1 (de
Inventor
Robert Richard
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.)
Fondis SA
Original Assignee
Fondis SA
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 Fondis SA filed Critical Fondis SA
Publication of EP1396682A1 publication Critical patent/EP1396682A1/de
Application granted granted Critical
Publication of EP1396682B1 publication Critical patent/EP1396682B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/18—Stoves with open fires, e.g. fireplaces
    • F24B1/185—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion
    • F24B1/189—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers 
    • F24B1/1895—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers  flue-gas control dampers

Definitions

  • the present invention relates to a box removable flue gas with integrated automatic flap which has an afterburner.
  • This box smoke is intended for space heaters solid fuel.
  • the fire rate When operating a solid fuel heating, the fire rate must be optimal to avoid the leakage of a part significant calories in the evacuation circuit combustion gases and fumes.
  • the valve generally consists of a flap pivoting around an axis whose ends relate to two landing surfaces fixed to the body of the discharge nozzle making the whole hardly removable.
  • the slowdown circuit of fumes develops dissociated from the part central exhaust nozzle allowing neither a easy access for sweeping, disassembly and quick removal for cleaning and possibly replacement.
  • the smoke box described consists of three parts assembled together by simple assembly manual: a nozzle receiving the exhaust duct, a valve holder part which engages and is mounted by a quick assembly method in a room nozzle receiving bottom and which delimits with this an annular recovery chamber for heat, and a flap mounted articulated to pivot on the valve holder part which automatically switches to open position when the door is opened.
  • the demountability is total. Indeed, there are only three pieces that go up quickly one inside the other without any tool to constitute the smoke box.
  • This constitution allows the use of one-piece cast iron parts providing strength, longevity and thermal inertia. We also benefit from a compact unit in which the discharge forms a body with the smoke box.
  • the present invention aims to provide an improvement to this type of smoke box, making it even more advantageous.
  • Fuel heaters solid have a hearth in which the fuel solid is piled up and burned. Because of this piling, combustion is generally far from being complete and the smoke escaping from the hearth contains still a significant amount of unburnt.
  • unburnt products mainly contain carbon monoxide and volatile compounds from distillation of solid fuels, such as the wood, brought to high temperature inside the home. They escape from the hearth in the smoke of combustion, pass through the smoke box and are released into the atmosphere. They are therefore particularly polluting.
  • the improved smoke box of this invention allows while retaining the advantages and the characteristics mentioned above, to limit pollutant releases to the atmosphere and increase the efficiency of the heater by recovering maximum calories.
  • the improved smoke box has an afterburner chamber in which unburnt material during primary combustion at inside the hearth, are burned in turn. Overall, the combustion of solid fuel is thus more complete and pollutant releases are greatly reduced.
  • the calories produced during the post-combustion are mostly recovered, thereby increasing the efficiency of the device heater.
  • the afterburner can be shaped and arranged in the heat recovery chamber, defined between walls of the nozzle receiving chamber and the flap holder part of the smoke box such as previously described.
  • the post-combustion chamber due to its central position in the upper volume above the upper wall of the fireplace, evenly radiates the heat, which allows optimal diffusion of the heat recovered.
  • the smoke box according to the invention is intended to equip any space heating appliance solid fuel, without restricting its scope. She was more particularly designed for a closed fireplace.
  • a hearth 1 closed chimney in the form of a closed box 2 by a glass door 3.
  • This box 2 defines a combustion chamber 4 constituting the hearth in which must burn a wood fire fed through a front opening 5 closed by the door 3.
  • the closed hearth is delimited by side walls 6 and 7, a bottom 8 and an upper wall 9.
  • a cover wall 10 closes the box 2 upwards leaving between it and the top wall 9 from the foyer a recovery chamber 11 open towards the front by a front opening in the form, by example, of several front mouths such as 12 exhausting the flow of hot air into the room to be heated.
  • the improved smoke box according to the invention comes to be mounted in the central position of the part top of closed hearth 1.
  • a nozzle 13 consisting of a single piece of shape general cylindrical tubular presenting at its upper end a tubular cylindrical section 14 in which is fitted by fitting a smoke evacuation duct 15.
  • the body of the nozzle 13 ends at its other end by a cylindrical part 16 of larger diameter delimiting a reception chamber 17.
  • the two end parts of the nozzle are connected by a central shoulder 18.
  • valve member 19 of general shape cylindrical. She went up to this bedroom reception 17 by a rapid assembly means of the type for example with quick lock says quarter turn or bayonet or any other equivalent means quick assembly.
  • This valve member 19 has a body tubular of generally cylindrical shape, the edge of which lower is shaped as a slowdown ring 20 and holding extending in peripheral projection towards outside.
  • This crown 20 has a structure alternating full parts 21 and empty parts 22, for example in slots followed by notches, among which are receptive slots 25 and introductory notches 26 of larger dimension. These are intended to cooperate, in a support and blocking goal, with support legs 27 shaped in the lower edge 29 in a crown of the nozzle 13 in the form of transverse tabs is continuing inwardly projecting.
  • the valve member 19 continues towards the high by two landing notches such as 30 diametrically opposite and with rounded bottom, shaped recessed in the upper peripheral edge 31 of the valve holder part 19, to serve as a bearing for ends 32 of the pivot axis 33 of a valve 34.
  • valve-holder part 19 Between these notches is conformed in this valve-holder part 19 a semi-circular shoulder 36 against which the valve 34 abuts closing.
  • the valve 34 is a single piece of cast iron disc-shaped in two half-parts 37 and 38 of semicircular contours and of unequal dimensions, of which part 37 is of larger diameter than the other 38 so as to introduce an asymmetry dimensional and mass and thus create by gravity an automatic call back down toggle the valve 34 by its heavier half-part 37.
  • the valve 34 is mounted articulated by a pivot joint 39 ( Figures 3 and 4) pivotally actuated by the hook end 40 a push rod 41 which passes through its other end the top front of the device for abut against the upper cross member of the door glazed when it is closed or against a projection 42 provided opposite for this purpose.
  • annular recovery chamber 43 in which there is a slowing down of the fumes and an exchange heat. It communicates from below with the hearth by the crenellated crown 20 and from above with the exhaust duct 15 through an interval exhaust 44 existing between the shoulder 18 of the nozzle 13 and the upper edge of the valve member 19.
  • this annular chamber of recovery can be shaped and arranged in one afterburner 46 for materials unburnt that pass through this room within combustion fumes.
  • the burning unburnt fires automatically in the afterburner and generates a significant amount of calories that can be recovered.
  • the afterburner is then self-sustaining, as long as there is material left to burn and sufficient oxygen, thanks to the heat that it produces.
  • Solid fuel combustion started inside the fireplace can end in the afterburner where unburnt compounds pollutants are degraded in turn.
  • the rejects pollutants in the atmosphere are thus considerably reduced.
  • the system according to the invention comprises a supply air ramp 47 preferably located near entrance 48 of the afterburner located between the edges nozzle 13 and the valve holder 19. This supply air ramp provides fresh air at temperature appropriate.
  • the supply air ramp (47) can also be placed advantageously in the box smoke, that is to say in the described structure located in the upper part of the foyer.
  • tubing 49 part of which is shaped like a crown 50, the diameter of which preferably corresponds substantially to that of the entrance to the annular chamber of afterburner 46 or is slightly higher than this.
  • Tubing 49 continues with part of connection 51 opening to the outside of the appliance of heating.
  • the crown portion 50 of the tubing has air distribution orifices 52, preferably evenly distributed over its entire length and oriented for example next to entry 48 of the afterburner. These holes could be oriented differently, in particular towards the exit of the afterburner.
  • the supply air ramp 47 provides the entrance to the afterburner room the supplement of oxygen necessary for the combustion of unburnt, under the form of air taken from the outside of the heating and distributed through orifices 52.
  • orifices 52 can advantageously be shaped so as to play the role of nozzles.
  • the air is blown at the entrance to the post-combustion by natural current or by flow forced using for example a turbine or a fan.
  • the device includes a means any heating of the air distributed by the ramp 47 or a means of direct heating of the afterburner 46, including for example one or several electrical resistances.
  • the air diffused by the ramp 47 is heated to a sufficient temperature.
  • the part of connection 51 of tubing 49 pass preferably inside the chamber combustion 4 of hearth 2 of the heater before ending up in the smoke box.
  • the device according to the invention can also include in addition an additional means of heating, complementing the calorific intake by source of fire and primary combustion taking place in the combustion chamber 4, so reach a level of heat sufficient to generate afterburning.
  • Such a heating means Annex may be required when the heat of the fireplace is insufficient, especially when starting the primary combustion or when the fire decreases.
  • a system regulation automatically controlling the start-up and the extinction of the additional heating means comprising for example a temperature sensor placed in or upstream of the afterburner in order to detect a possible absence of afterburner.
  • the combustion fumes containing the unburnt materials pass near the crown 50 from the supply air manifold 47 and mix with the air hot and rich in oxygen blown through orifices 52.
  • the fumes then enter the chamber afterburner 46 through entrance 48 through empty parts 22 of the crown 20 and undergo a afterburner.
  • the afterburner 46 Due to its angled shape, the afterburner 46 causes a slowdown in circulation of fumes before their evacuation through the exhaust duct 15. This slowing down allows the afterburner to have time to come true completely within the afterburner. In addition, it makes possible a heat exchange maximum to recover the calories produced by afterburning.
  • the shoulder 18 of the nozzle 13 is extended on its face lower by a circular rim 53 extending towards the bottom, which thus forms in the escape gap 44 a chicane that the fumes are forced to bypass before you can take the conduit evacuation 15.
  • fins 54 can advantageously be provided on the outside of the cylindrical part lower 16 of the nozzle 13. Preferably, these fins 54 are arranged radially, at intervals regular and substantially vertical. Of such fins 54 have been shown in the figures 3 and 4.
  • This modification is recommended for security reasons, in order to prevent the end of the exhaust duct 15 is deformed or deteriorated by flames or high temperatures prevailing in the afterburner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Solid-Fuel Combustion (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Catching Or Destruction (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Baking, Grill, Roasting (AREA)
EP03360096A 2002-09-09 2003-08-26 Heizanlage mit abnehmbarer Rauchgasbuchse mit automatischem Ventil und mit Nachverbrennungskammer Expired - Lifetime EP1396682B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0211143 2002-09-09
FR0211143A FR2844339B1 (fr) 2002-09-09 2002-09-09 Boite a fumees demontable, a clapet automatique et a chambre de postcombustion pour appareils de chauffage.

Publications (2)

Publication Number Publication Date
EP1396682A1 true EP1396682A1 (de) 2004-03-10
EP1396682B1 EP1396682B1 (de) 2006-05-17

Family

ID=31503142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03360096A Expired - Lifetime EP1396682B1 (de) 2002-09-09 2003-08-26 Heizanlage mit abnehmbarer Rauchgasbuchse mit automatischem Ventil und mit Nachverbrennungskammer

Country Status (4)

Country Link
EP (1) EP1396682B1 (de)
AT (1) ATE326665T1 (de)
DE (1) DE60305257D1 (de)
FR (1) FR2844339B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2980259A1 (fr) * 2011-09-15 2013-03-22 Oliger France Dispositif de chauffage incorporant des moyens pour reguler le debit des gaz de combustion

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522782A1 (fr) * 1982-01-11 1983-09-09 Fondis Sa Perfectionnement a l'evacuation directe des fumees dans les ensembles de chauffage a foyer ferme
FR2831650A1 (fr) * 2001-10-31 2003-05-02 Fondis Sa Boite a fumees demontables a clapet automatique integre pour un appareil de chauffage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522782A1 (fr) * 1982-01-11 1983-09-09 Fondis Sa Perfectionnement a l'evacuation directe des fumees dans les ensembles de chauffage a foyer ferme
FR2831650A1 (fr) * 2001-10-31 2003-05-02 Fondis Sa Boite a fumees demontables a clapet automatique integre pour un appareil de chauffage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2980259A1 (fr) * 2011-09-15 2013-03-22 Oliger France Dispositif de chauffage incorporant des moyens pour reguler le debit des gaz de combustion

Also Published As

Publication number Publication date
FR2844339B1 (fr) 2005-04-15
FR2844339A1 (fr) 2004-03-12
ATE326665T1 (de) 2006-06-15
EP1396682B1 (de) 2006-05-17
DE60305257D1 (de) 2006-06-22

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