EP2883004A1 - Poêle cheminée - Google Patents

Poêle cheminée

Info

Publication number
EP2883004A1
EP2883004A1 EP13762370.8A EP13762370A EP2883004A1 EP 2883004 A1 EP2883004 A1 EP 2883004A1 EP 13762370 A EP13762370 A EP 13762370A EP 2883004 A1 EP2883004 A1 EP 2883004A1
Authority
EP
European Patent Office
Prior art keywords
layer
fireplace according
outer body
stove
fireplace
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Withdrawn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
EP13762370.8A
Other languages
German (de)
English (en)
Inventor
Andreas Bock
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
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 Individual filed Critical Individual
Publication of EP2883004A1 publication Critical patent/EP2883004A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F24B1/02—Closed stoves
    • 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
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/002—Surrounds
    • 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
    • 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
    • F24B1/191—Component parts; Accessories

Definitions

  • the invention relates to a stove for heating rooms according to the preamble of claim 1.
  • Stoves are known from the prior art, which cause a combination of thermal radiation with convection heating rooms.
  • the structure of these stoves includes a combustion chamber, which is surrounded by a mostly layered constructed furnace body.
  • the oven body heats up strongly and often reaches temperatures above 200 ° C. This is on the one hand not dangerous and there is a risk of injury, in addition, the furnace body of heat resistant materials, such as firebricks, which are usually solid and heavy, be constructed to prevent damage to the materials during operation.
  • the prevailing on the surface of the stove temperature thus also affects the usable furnace materials and therefore the appearance and the design options of wood-burning stoves.
  • the object of the invention is therefore to reduce the Au OHtemperatur of wood stoves, while simple design, low weight and high stability of the furnace.
  • the invention solves this problem in a stove of the type mentioned above with the features specified in the characterizing part of claim 1. It is inventively provided that the furnace body is at least partially, in particular completely, surrounded by an outer body and the outer body is spaced from the furnace body. Between the furnace body and the Au ch moments an air-filled convection space is formed by the spacing.
  • the outer body has a cladding comprising at least two layers with different thermal properties. By thermal properties are meant the thermal conductivity, the heat transfer and the absorption, the absorption of thermal radiation.
  • the outer body has a lid which is permeable to air with the convection space and the outer furnace environment.
  • the Au .isson preferably near the bottom and / or in the ground, air inlets that connect the outer furnace environment with the convection space permeable to air. Through the air-permeable lid and the air inlets, an air circulation between the outer furnace environment and the convection space, in particular by natural convection generated.
  • a high removal of heat energy allows rapid heating of the furnace environment, all outside the furnace, and thus the installation space.
  • An appealing embodiment of the stove is achieved and facilitates the attachment of a film when externa lateral surface of the outer body as a kink-free body of revolution, which is in particular cylinder jacket-shaped. It is particularly attractive if the cross section of the outer body is curved and / or corner-free, in particular circular or oval.
  • a particularly attractive external design is achieved by the outer body being in the form of a can, in particular in the form of a beverage can. This allows the appearance of a large beverage can and has a special design effect.
  • a small thickness of the cladding is achieved by placing the second layer on the first
  • the first layer is formed as a good heat-conducting layer, in particular with a higher coefficient of thermal conductivity than the second layer, and in particular has a heat conduction coefficient of 50 to 80 W / mK.
  • the heat is distributed quickly and evenly over the entire layer.
  • a particularly stable embodiment of the cladding arises when the first layer consists of metal, in particular sheet steel.
  • a particularly low heat transfer in the Au wharmonic wharmonic effect is achieved by the second layer has a lower coefficient of thermal conductivity than the first layer, preferably from 0.1 to 0.25 W / mK.
  • the second layer is formed as a heat insulating layer and is constructed in particular of Keramikmaschineisoliermaterial.
  • the heating of the second layer by thermal radiation is reduced when the furnace body facing surface of the second layer is white and / or reflective.
  • the temperature in the cladding of the stove can be lowered particularly effectively, if a further third layer is provided, which lies radially in the outer body furthest inside. As further inward is understood in connection with the stove closer to the combustion chamber.
  • the first layer is from 1 mm to 3 mm
  • the second layer from 6 mm to 18 mm
  • the third layer from 1 mm to 3 mm thick.
  • a uniform temperature distribution in the third layer of the cladding is achieved by the third layer is formed as a good heat-conducting layer, in particular with a higher thermal conductivity than the second layer, and in particular has a heat transfer coefficient of 50 to 80 W / mK.
  • the stability of the cladding is increased and the cost is reduced if the third layer consists of metal, in particular sheet steel.
  • a high absorption value of the third layer and thus a high absorption of the heat radiation, which is delivered to the air flowing in the convection space and transported away from the furnace is achieved when the furnace body facing surface of the third layer has a dark color and especially dark, in particular black or anthracite, painted.
  • a small radial expansion and a higher stability of the cladding is achieved when the third layer is in contact with the second layer.
  • the third layer is excluded from penetrating at least one, in particular at two, points.
  • a simplified installation of the panel is achieved when the panel is constructed of several, preferably four, separately mountable and / or replaceable, trim parts. This also allows easy replacement of individual, damaged furnace parts.
  • a facilitated attachment of the film on Au zange provides that the film is adhered to the outer surface of the Au zelless and in particular is designed as an adhesive film. This also facilitates a design change, which can also be carried out by a non-specialist.
  • a particularly appealing design of the stove is achieved by the film is printed or painted.
  • the pressure of a favorite beverage can imitated and in combination with the above-mentioned shape of the beverage can the impression of a large, the installation space heating beer can be produced.
  • a more flexible handling of the film in the manufacturing process and easier installation on the stove provides that the film has a thickness of 0.5 mm to 3 mm.
  • a holistic design is created when the film surrounds the outer surface of the outer surface of the film around its entire surface.
  • FIG. 1 and 2 are perspective views of two different embodiments of the stove
  • FIG. 3 is a front view of an embodiment of the stove
  • FIG. 4 is a side view of FIG. 3,
  • FIG. 7 is a sectional view A-A according to FIG. 3,
  • FIG. 10 is a side view of FIG. 10,
  • FIG. 12 is a plan view of FIG. 10,
  • FIG. 13 is a sectional view D-D of FIG. 10,
  • 16 and 17 show a schematic structure of the cladding layers and a schematic course of the heat conduction and radiation.
  • FIG. 1 shows a first advantageous embodiment of the stove 10 with a cylindrical outer body 1.
  • the shell of the outer body 1 is free of corners, cylindrical and constructed of several trim parts.
  • Fig. 1 shows an oven door 1 1, which ensures access to an inner combustion chamber 9.
  • a removable ash tray 12 is formed below the oven door 1 1, a removable ash tray 12 is formed.
  • the cylindrical Au chisson 1 includes at the top of a cover 5 from.
  • the cover 5 is circular in shape and has a plurality of air outlets 20 passing through it.
  • a recess 16 for chimney pipes is shown.
  • Near the bottom 6 of the Au chismes 1 rectangular air inlets 7 are formed in the panel 3 of the outer body 1.
  • a film 8 is applied.
  • Fig. 2 is a perspective view of another embodiment of the stove 10 is shown.
  • the embodiment of the stove 10 shown in Fig. 1 is formed with a trim cover 15 and a cladding floor 14.
  • the cover lid 5 attached trim cover 15 is frusto-conical and has air outlets 13.
  • the cladding floor 14 is equal to the trim cover 15th formed and attached to the bottom of the outer body 1, the bottom 6 of the stove 10.
  • the external appearance of the Au chelles 1 is modeled on a beverage can.
  • the panel 3 is covered with a film 8 which is executed here einfärbig. However, the film 8 can be printed or painted with any design and, for example, imitate the design of a beer can.
  • Fig. 3 and Fig. 4 show a front view and a side view of one of the very similar in Fig. 1 embodiment of the stove 10.
  • the furnace door 1 1 is provided with a glass sheet and allows the view into the combustion chamber 9. Furthermore, the radial on Scope of the outer body 1 arranged air inlets 7 shown.
  • the panel 3 is covered with a single-color printed film 8.
  • FIG. 5 and FIG. 6 each show floor plans rotated by 90 ° about the cylinder axis of the embodiment of the stove 10 shown in FIG. 3.
  • the cover 5 is shown with air outlets 20 arranged concentrically in a circle radially one behind the other and has a centrally located recess 16 for chimney pipes.
  • Fig. 7 shows a sectional view A-A of the embodiment of the stove 10 shown in Fig. 3.
  • an ash rack 17 having a plurality of intersecting holes through which the firing residues, e.g. Ash, are discharged to a container 21 of the ash tray 12.
  • the combustion chamber 9 surrounds a furnace body 2, which is further surrounded by a convection chamber 4.
  • the outer body 1 surrounding the convection space 4 and objected to by the furnace body 2 comprises the cladding 3, the cover 5, the base 6 and a rear wall 19 perforated in this embodiment.
  • a heat exchange space 18 is formed in the furnace body 2.
  • Near the bottom 6 1 rectangularly formed air inlets 7 are excluded in the outer body.
  • the cover 5 is interspersed with a plurality of air outlets 20 and has in the center a recess 16 for chimney pipes.
  • FIG. 8 shows a section BB of the embodiment of the stove 10 shown in FIG. 7.
  • the section runs perpendicular to the cylinder axis through the combustion chamber 9 and represents the stove in the direction of the bottom 6.
  • the furnace body 2 is in the direction of the oven door 1 1 and limited to the other sides of the combustion chamber 9.
  • the panel 3 of the Au chelles 1 is constructed in layers and includes a first, radially outward lying layer 31, a second layer 32 and a third layer 33.
  • the second layer 32 is present the first layer 31 touching and consists of Keramikmaschineisoliermaterial.
  • the radially innermost third layer 33 bears against the second layer 32 and consists of sheet steel.
  • the first layer 31 consists of sheet steel and, like the third layer, has a coefficient of thermal conduction ⁇ between 50 W / mK and 80 W / mK.
  • the second layer is white, has a low absorption value and has a thermal conductivity coefficient ⁇ of 0.1 W / mK to 0.25 W / mK.
  • the layer structure of the panel 3 is designed as a sandwich construction and allows high stability with low weight.
  • the panel 3 consists of several separately mountable trim parts.
  • Fig. 9 shows a sectional view C-C perpendicular to the cylinder axis of the Au ch moments 1 through the convection chamber 4 and the heat exchange chamber 18.
  • the convection chamber 4 is extended over the combustion chamber 9 and surrounds the heat exchange chamber 18 completely.
  • the heat exchange chamber 18 has a square cross section and is designed as a sheet steel construction.
  • FIG. 10 shows a front view of the beverage can-shaped design of the stove 10.
  • FIG. 13 shows a full section D-D of the sectional axes shown in FIG. In FIG. 13, the inner workings with the convection chamber 4, the heat exchange chamber 18 and the combustion chamber 9 of the chimney stove 10 shaped as beverage cans are shown.
  • Figures 14a and 14b show perspective views of one embodiment of the trim cover 15 and the trim floor 14.
  • a plurality of circumferentially-spaced, rectangular air inlets 7 are formed near the bottom 6.
  • the air outlets 20 are shown for the outflow of air from the convection chamber 4 and the recess 16 for chimney pipes.
  • FIGS. 15a and 15b show perspective views of a further embodiment of the trim cover 15.
  • the trim cover 15 has a frusto-conical shape and has an end face that is recessed on the smaller end face.
  • the upper air outlets 13 are arranged distributed circumferentially on the lateral surface of the recess and formed rectangular.
  • FIG. 16 and FIG. 17 schematically show the structure of an embodiment of the wood-burning stove 10.
  • FIG. 16 shows a perspective view
  • FIG. 17 shows a sectional view of the schematic structure of the panel 3 of the outer body 1.
  • a base heat is processed in the combustion chamber 9 on the ash rack 17 with small wood on which logs are placed.
  • the high heat emission of the embers causes the hydrocarbons of the laid logs to degas during the pyrolysis process. With the addition of so-called secondary air, these gases are completely burned off in the form of long-tongued flames.
  • the outgassing flue gas is then converted by complete combustion in C0 2 .
  • the majority of the reaction energy is converted into heat and passed through the combustion chamber 9 to the furnace body 2.
  • the predominant part of the heat is passed through the oven body 2 to the outside Shen, a small part remains as residual heat in the flue gas available.
  • the flue gas is passed from the combustion chamber 9 via a plurality of deflections in the heat exchange chamber 18 (Fig. 7). In this case, the flue gas in the form of heat transfer and heat radiation is further energy to the furnace body 2 from.
  • the heat energy absorbed by the furnace body 2 is for the most part discharged by heat transfer to the air flowing in the convection chamber 4 and radiated to a further part as heat radiation from the furnace body 2 ( Figure 16, Figure 17). Due to the temperature differences between the furnace environment and the heated convection chamber 4 is formed by the air inlets 7, the air outlets 20 and the convection 4 an air circulation (Fig.7). In this case, fresh air flows in the air inlets 7 near the bottom 6, via the convection chamber 4 further and via the air outlets 20 in the lid 5 from the stove 10. In the convection chamber 4, a natural convection is formed, which absorbs the majority of the heat collected in the oven body 2 by the heat transfer and emits at discharge from the stove 10 to the furnace environment and this heats it. The perforated furnace rear wall 19 thereby amplifies the air flow rate and thereby the heat derived by the convection.
  • the third layer 33 On the inner surface of the third layer 33, a black color is applied.
  • the black coating 22 increases the absorption value of the layer 33 and the heat radiation emitted by the oven body 2 is absorbed almost completely in the third layer 33.
  • the high thermal conductivity ⁇ of the third layer 33 causes a uniform distribution of heat in the entire layer.
  • the third layer 33 absorbed heat is largely released to the air flowing in the convection 4 air and transferred to a further part of the radially inner surface of the second layer 32.
  • the film 8 is glued ( Figure 16, Figure 17).
  • the film 8 is formed as an adhesive film and printed or painted with different motifs or patterns. Due to the thickness of the film 8, which is preferably formed from 0.5 mm to 3 mm, the technical thermal properties of the furnace lining 3 of the stove 10 are only slightly affected. The low surface temperature ensures that the film 8 does not melt during operation or the adhesive does not peel off.
  • the continuous third layer 33 may be locally removed in order to reduce local overheating.
  • the underlying and exposed by the recesses second layer 32 takes by their white color only a small part of the heat radiation and prevents critical, particularly hot spots overheating and excessive heat absorption.
  • the second layer 32 may be reflective instead of white and reflect the heat radiation of the furnace body 2 again.
  • the second layer 32 may be formed as an air-filled space or as a vacuum between the third layer 33 and the first layer 31, thereby replacing the heat-insulating task of the second layer 32 by appropriately dimensioning the gap.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)

Abstract

L'invention concerne un poêle cheminée servant à chauffer des locaux et comprenant une chambre de combustion (9) agencée à l'intérieur d'un corps de poêle (2). Selon l'invention, le corps de poêle (2) est au moins en partie entouré d'un corps extérieur (1), le corps extérieur (1) étant situé à une certaine distance du corps de poêle (2) et un espace de convection (4) rempli d'air étant formé entre le corps de poêle (2) et le corps extérieur (1). Le corps extérieur (1) est muni d'un habillage (3) qui comprend au moins deux couches (31, 32) présentant des propriétés thermiques différentes.
EP13762370.8A 2012-08-09 2013-08-09 Poêle cheminée Withdrawn EP2883004A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT503122012 2012-08-09
ATA50442/2012A AT513399A1 (de) 2012-08-09 2012-10-11 Ofen mit Schichtaufbau
PCT/AT2013/050158 WO2014022875A1 (fr) 2012-08-09 2013-08-09 Poêle cheminée

Publications (1)

Publication Number Publication Date
EP2883004A1 true EP2883004A1 (fr) 2015-06-17

Family

ID=49170502

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13762370.8A Withdrawn EP2883004A1 (fr) 2012-08-09 2013-08-09 Poêle cheminée

Country Status (3)

Country Link
EP (1) EP2883004A1 (fr)
AT (1) AT513399A1 (fr)
WO (1) WO2014022875A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20155563A1 (it) * 2015-11-13 2017-05-13 Sida Pirolisi S R L S Stufa pirolitica con camera di combustione perfezionata

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399805A (en) * 1981-06-29 1983-08-23 Kienlen Loren C Panel insulation apparatus
FR2524615A1 (fr) * 1982-04-05 1983-10-07 Castelmonte Srl Poele dit d'epoque fonctionnant au bois du type a convection
DE3832011A1 (de) * 1988-09-21 1990-03-29 Martin Schatta Thermobimetallgesteuerte heizregelung an kacheloefen
DE9007824U1 (de) * 1989-02-10 1997-08-07 Riener, Karl Stefan, Micheldorf Ofen mit einem aus mehreren Teilen zusammengesetzten Brennraum
DE102006047475A1 (de) * 2006-10-05 2008-04-10 "Skantherm"Wagner Gmbh & Co. Kg Kaminofen
FR2937406B1 (fr) * 2008-10-16 2010-11-26 Fondis Sa Facade d'habillage a blocs pivotants pour appareil de chauffage a combustion et a paroi avant vitree.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014022875A1 *

Also Published As

Publication number Publication date
AT513399A1 (de) 2014-04-15
WO2014022875A1 (fr) 2014-02-13

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