EP2404112A1 - Tür mit eingebautem brenner für heizgerät - Google Patents
Tür mit eingebautem brenner für heizgerätInfo
- Publication number
- EP2404112A1 EP2404112A1 EP10701549A EP10701549A EP2404112A1 EP 2404112 A1 EP2404112 A1 EP 2404112A1 EP 10701549 A EP10701549 A EP 10701549A EP 10701549 A EP10701549 A EP 10701549A EP 2404112 A1 EP2404112 A1 EP 2404112A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- burner
- door according
- inlet opening
- door
- deflector plate
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 34
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000008246 gaseous mixture Substances 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims description 2
- 230000010339 dilation Effects 0.000 claims description 2
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 239000011810 insulating material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000003570 air Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M7/00—Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M7/00—Doors
- F23M7/04—Cooling doors or door frames
-
- 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
- F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
- F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
-
- 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
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
-
- 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
- F24H9/00—Details
- F24H9/02—Casings; Cover lids; Ornamental panels
-
- 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
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00003—Fuel or fuel-air mixtures flow distribution devices upstream of the outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00018—Means for protecting parts of the burner, e.g. ceramic lining outside of the flame tube
Definitions
- the present invention relates to a thermally insulated integrated burner door for a heating appliance.
- heaters comprising a tube, or a set of tubes, traversed by a fluid to be heated - for example water - and whose wall is exposed to the combustion gases generated by the burner.
- This "door” is a wall which is removable so as to allow the maintenance of the apparatus, in particular the periodic cleaning of the burner. It is fixed for example by means of a series of peripheral screws to the periphery fixed frame) of the front of the apparatus.
- the burner is fixed in the central part of the door, on its internal face, so that it is positioned in the interior space of the apparatus, near the (or) tube (s) when the door is closed .
- the outer face of the door is connected to a supply duct of a combustible gas mixture (fuel gas / air or oil / air for example), and the transfer of this mixture to the burner is through an appropriate opening in the door.
- a combustible gas mixture fuel gas / air or oil / air for example
- the area of the inner face of the door that surrounds the burner is lined with a heat-resistant and thermally insulating material, for example a ceramic-based material plate, the actual door being in position.
- a heat-resistant and thermally insulating material for example a ceramic-based material plate, the actual door being in position.
- metal usually cast aluminum.
- the temperature of the gases issuing from the burner has a value which, as an indication, is generally between 950 and
- the temperature of the outer face of the door can reach a temperature of between 120 and 180 0 C.
- the energy loss can be of the order of 150 Wh, or 540 kJ (depending on the power rating of the burner).
- a first object of the invention is to provide a door significantly reducing this loss, thereby improving the performance of the device.
- a second object of the invention is to provide a simple door structure, lightweight, easy to manufacture, inexpensive and suitable for automated mass production.
- a third object of the invention is to provide a door whose design improves the quality of combustion of the burner.
- a fourth objective of the invention is to improve safety by avoiding the risk of burns.
- the subject of the invention is therefore an integrated burner door for a heating appliance, and this door is provided on its internal face with a gas burner and on its external face with a system for supplying a combustible gas mixture. at the burner; it is adapted to be engaged in the frame of a wall of the device, and to be fixed to this frame removably.
- this door comprises a pair of metal sheets secured to one another at their periphery, the outer sheet having in its central zone an inlet opening for the arrival of said gas mixture while the sheet metal interior has in its central zone an outlet opening, coaxial with said inlet opening, to which is fixed the burner, these two sheets being spaced from one another, leaving between them a space inside which is fixedly mounted a deflector plate, the latter having the shape of a disc, whose diameter is substantially greater than that of said inlet and outlet openings of said door, and being mounted centered on the axis of these openings and perpendicular to it, this deflector plate being composed of two parallel plates slightly spaced, fixed to each other at their periphery, the deflector plate being thus shaped and dime It is determined that the flow of gaseous mixture entering the apparatus through said inlet opening is deflected outwardly of the baffle plate, bypassing the peripheral edge from outside to inside, and then flowing over its face. internal, to exit through said outlet opening and enter the burner.
- the outer sheet that is exposed to ambient air remains cold or warm, in accordance with the intended purpose.
- preheating the mixture before it arrives at the burner improves the quality of the combustion and the efficiency of the apparatus.
- said inlet and outlet openings are circular;
- said deflector plate has, on the peripheral edge portion of its internal face, studs or bosses through which this face is applied and fixed against the external face of said inner plate, this by quasi-point contact zones which do not interfere with the passage of the gas mixture, while limiting the heat transfer from the inner plate to the baffle plate;
- said deflector plate is provided with a thermal insulation interposed between said sheets, this insulator consisting of a neutral gas, such as nitrogen for example, or of a solid material, for example based on ceramics;
- a neutral gas such as nitrogen for example
- a solid material for example based on ceramics
- the constituent inner plate of said deflector plate has a convex central portion which allows its elastic deformation and enables it to absorb the stresses generated by the expansions and contractions related to temperature variations, depending on whether the apparatus is in operation or stopped;
- the constituent outer sheet of said deflector plate has a central portion in the form of a stud whose tip is turned towards the inlet opening, this stud favoring the radial distribution of the flow of the gas mixture penetrating through said inlet opening;
- said burner is flat, its combustion surface being perpendicular to the axis of said openings;
- said burner is slightly curved, its combustion surface being convex and centered on the axis of said openings;
- said burner is annular, its cylindrical combustion surface being centered on the axis of said openings;
- the zone of the inner sheet which surrounds the outlet opening is lined on its internal face with a heat-resistant and thermally insulating material, such as a ceramic or ceramic-based material;
- a heat-resistant and thermally insulating material such as a ceramic or ceramic-based material;
- the door is provided on its inner face, a peripheral seal adapted to be applied against the outer face of a flange integral with said wall frame;
- the system for supplying the combustible gas mixture comprises a sleeve mounted at the inlet opening of said outer sheet, and fixed thereto;
- the door is equipped with an electric motorcycle-fan which is integral with said outer sheet and is adapted to suck the gas mixture through said inlet opening and discharge to the burner;
- said fan motor is of the centrifugal type and has a series of rotary blades which are housed in a recess in the wall of said outer sheet, which serves as a housing, and extend close to the outer face of the deflector plate;
- the stator of said motor-fan is positioned inside the inlet opening of said outer sheet, and, on the other hand, the system for feeding the combustible gas mixture comprises an annular collector mounted at this inlet opening and fixed to the outer sheet, thus surrounding the stator of said motor-fan, this manifold being fed with gaseous fuel through a conduit and its wall being pierced with a plurality of radial orifices through which the gaseous fuel is diffused in the annular gap separating the stator from the edge of the inlet opening, and then sucked by said rotating blades, together with the ambient air (oxidizer) which is sucked by this same annular gap.
- the system for feeding the combustible gas mixture comprises an annular collector mounted at this inlet opening and fixed to the outer sheet, thus surrounding the stator of said motor-fan, this manifold being fed with gaseous fuel through a conduit and its wall being pierced with a plurality of radial orifices through which the gaseous fuel is diffuse
- FIG. 1 is a front view, in axial section, of a heating device equipped with a door which is the subject of a first embodiment of the invention, in which the burner integrated into the door is flat;
- FIG. 3 is a view similar to that of Figure 1, showing a second embodiment of the invention, wherein the burner integrated in the door is cylindrical;
- - Figure 4 is a view similar to that of Figure 1, showing a third embodiment of the invention, wherein the door is equipped with a motor fan;
- FIG. 6 is a perspective view, cut away, showing an alternative embodiment of the invention, wherein the deflector plate which equips the door has a projecting portion;
- FIG. 7 is a perspective view showing the inner plate and the baffle plate of the door shown in FIG.
- FIGS. 1, 3, 4 and 6 the circulation of the gaseous currents has been visualized by arrows, the apparatus being considered in operation.
- this is merely an example of a condensing heat exchanger of the type produced by GIANNONI FRANCE under the name "ISOTHERMIC” (registered trademark).
- This type of exchanger comprises two bundles of helical tubes coaxially mounted inside a gas-tight envelope, separated by a partition of thermally insulating material.
- the tubes are traversed by the fluid to be heated, water for example. They have an oval flattened section and the interstice between turns is calibrated and of small width.
- the burner is located inside one of the beams, said primary, and the hot gases from the burner through these interstices from the inside to the outside, with a high heat exchange coefficient. They then bypass the insulating partition and cross the interstices of the other beam, said secondary, in the opposite direction (from the outside towards the inside), before being evacuated out of the envelope by a conduit or a suitable cuff. .
- This shell 6 contains a tubular helical winding of stainless steel 7, of flattened and oval section, of axis X-X '. It is composed of a primary beam 70 and a secondary beam 71, separated by an insulating disc 600. It is a condensing heat exchanger, of the same type as those described in the aforementioned documents, suitable for heat water or any other fluid, which is circulated in the winding 7.
- the door 1 has a generally circular shape, centered on the axis XX 'and has peripheral fasteners (not shown) for mounting removably on the front of the device, for example using four ears arranged at 90 °, and screwed to the facade.
- the door 1 comprises a pair of thin walls, one outer 10, the other inner 11. These walls are made of stainless steel sheet cut and stamped.
- this peripheral flange 100 has an annular cavity, facing inwards, which receives a seal 101 adapted to be applied, when the door is closed, against a support collar 72 fixed in the frame 61 and contact, by its internal face, against the first turn of the winding 7.
- the stamping of the outer plate 10 is such that it has an outwardly directed convexity, the central zone of which is pierced by a circular opening 102 centered on X-X '.
- the wall flanking this opening has a profile adapted for mounting and sealing - for example by means of screws or welding - a sleeve 5 (shown in dashed lines) for feeding the combustible gas mixture into the apparatus via a suitable conduit 50.
- the stamping of the inner plate 11 is such that it has an inwardly directed convexity, the central zone of which is pierced by a circular opening 103 centered on X-X '.
- This opening is bordered by an annular mouth on which is fixed the burner 2.
- the latter has the shape of a cylindrical cup of low height, the annular portion 20 is fitted and retained by clamping (press fit) and / or by some welding spots, on said mouth, while its flat bottom 21 is perforated, constituting the combustion surface.
- the burner has a composite structure, comprising a perforated stamped inner sheet and a fibrous and porous outer wall allowing a good attachment of the flame.
- the bottom 21 acting as a combustion surface could be slightly curved, with its convexity turned towards the inside of the apparatus, and its center of curvature centered on X-X '.
- This curved shape allows the dilation phenomena to be well absorbed, the combustion surface being able to deform naturally to take a more or less pronounced curvature depending on this expansion.
- a discoid plate 3 of small thickness In this space is housed a discoid plate 3 of small thickness, centered on X-X '. Its diameter is substantially larger than that of the openings 102 and 103; it is nevertheless slightly less than that of said free space.
- the plate 3 consists of two thin walls 30, 31, for example made of stainless steel sheet, fixed to one another at their periphery 300 in a sealed manner, for example by crimping and / or welding.
- the outer sheet 30 is flat;
- the inner plate 31 has an annular main zone which is also flat, parallel to the plate 30, and a central zone 310 which is slightly curved, with an inwardly turned convexity (burner side).
- an insulating material 32 for example a neutral gas such as nitrogen or a ceramic-based solid material. Its function is to limit heat transfer between the two walls.
- the inner wall 31 is provided at its periphery with several bosses, such as stampings 311, regularly distributed (for example six bosses at 60 ° angle) through which it is fixed to the sheet 11.
- the door 1 comprises, on the inside, an annular lining 4 made of thermally insulating material, and resistant to heat, for example ceramic or ceramic material.
- This lining is axially fitted by its central opening on the cylindrical portion 20 of the burner 2 and is retained against the inner face of the wall 11 by an appropriately shaped internal rim 720 of the bearing flange 72.
- the annular liner 4 covers the wall 11 at the periphery of the burner, up to the level of the winding 7, constituting a heat shield with respect to very hot gases from the burner present inside the primary beam of the exchanger.
- the burner having been ignited, by means of a suitable ignition system (not shown), and the gaseous air / fuel fuel mixture being fed into the sleeve 5 via the conduit 50, the apparatus operates as explained above. after.
- the flow of gas which enters the apparatus passes through the opening 102 (arrows F), meets the flat wall 30 of the plate 3 which faces it, and is split into a multitude of gaseous currents which are deflected at right angles and which flow radially from the axis XX 'towards the outside of the disk, to the peripheral edge 300 (arrows G), while licking the wall 30; arrived beyond the edge 300, they bypass it (arrows H) and flow in the opposite direction, in the direction of the axis X-X ', towards the outlet opening 103, this time licking the wall 31 (arrows I) to finally penetrate inside the burner 2.
- the combustion visualized by darts d, generates hot burnt gases (arrows J), whose temperature is of the order of 950 to 1000 0 C ;
- the fluid circulating inside the winding is first preheated in the secondary beam 71, then heated in the primary beam 70, as is well known.
- the inner plate 31 of the deflector plate 3 is at a temperature substantially higher than its outer plate 30.
- this temperature varies relatively significantly, and frequently, during the phases of implementation. route and stop the device. This results in successive expansion and retraction of this wall, higher than those of the outer wall, sources of mechanical stresses may eventually alter the peripheral connection of the two walls.
- this risk is eliminated thanks to the presence of the central curvature 310 which can elastically deform, in a reversible manner, absorbing these stresses, so that they do not reverberate at the level of the peripheral junction flange 300.
- the heat losses of the device to the outside are extremely low. Indeed, on the one hand, only a small part of the heat diffused by the plate 11 is transmitted to this plate 3 and, on the other hand, almost all the heat emitted on the facade is recovered by the incoming gas mixture. , which licks the hot walls during its baffle trajectory. In addition, this preheating improves the quality of combustion.
- the gaseous mixture delivered by the sleeve 5 is at a temperature of the order of 20 to 25 ° C
- the temperature of the outer wall 10 of the door is of the order of 25 to 30 ° C. significantly lower than the temperature at which the outer wall of a traditional door would be raised, which temperature would correspond to the external temperature of the wall 11 if it was not cooled by the incoming gas mixture, namely between 120 and 180 0 C approximately.
- Figure 3 relates to an embodiment of the door 1 which differs from the previous only by the type of burner built into the door.
- This is a cylindrical burner 2 ', of axis X-X', closed by a flat bottom 20 'and whose inlet has a flange-shaped rim 21' which surrounds the central opening 103 of the inner plate 11 and is fixed to the latter, for example by a few welding spots.
- FIGS. 4 and 5 relate to an embodiment of the door 1 which differs from that of FIGS. 1 and 2 in that an electric fan motor 8 of the centrifugal type, centered on the axis XX, is integrated at the door.
- annular stator 80 which is fixed to the outer plate 10 by means of suitable fastening tabs, not shown. It comprises a series of blades 82 carried by a rotary disk 83 which is fixed to its rotor 81 by means of screws 810. These blades are housed in a circular recess, of suitable shape, formed in the wall of the outer sheet 10 , which thus serves as a crankcase for the latter.
- the blade holder disc 83 extends in a general plane perpendicular to the X-X 'axis, close to the outer face of the deflector plate 3.
- the blades 82 are fixed on the outer face of the disc 83.
- the stator 80 of the fan motor is positioned with a certain clearance
- annular collector 9 (annular space) inside the inlet opening 102 of the outer plate 10. This opening has the shape of a mouth surrounded by an annular collector 9
- This collector can be attached or form an integral part of the sheet 10.
- the collector 9 is connected to a conduit 91 for supplying a gaseous oxidizer, such as butane or propane, for example. Its inner annular wall and / or that of the mouth which it surrounds is pierced with a plurality of orifices 90 regularly distributed at its periphery, making it possible to diffuse the gaseous oxidant in the form of jets into the annular gap surrounding the stator .
- a gaseous oxidizer such as butane or propane
- the gaseous oxidant passes through the conduit 91 (arrow C), arrives in the annular collector 9 (arrows D), leaves through the orifices 90 and is sucked inside the device by the blades 82 in motion (arrows F).
- the latter also aspire ambient air (fuel) which is taken outside (arrows E) and passes into the same annular gap, mixing with the gas from the orifices 90.
- the gas streams leaving the inlet mouth 102 do not actually lick the outer face of the plate 3.
- the plate 3 acts as a heat shield; since it is not in contact with the rotating disk 83, there is no heat transmission between these two elements, which puts the motor-fan away from temperature rises.
- a motor-fan of this kind a door provided with a cylindrical burner, like that of Figure 3.
- Figures 6 and 7 relate to an alternative embodiment of the door 1, which differs from the previous by the shape of the outer plate of the baffle plate. The latter is then referenced 3 '.
- This outer sheet, referenced 30 ' has a flat annular main zone, parallel to the inner plate 31 and a projecting pin-shaped central zone 301', the tip of which is turned towards the inlet opening 102 of the door 1.
- This form is obtained for example by stamping.
- the stud 301 improves the radial distribution of the incoming airflow, as represented by the arrows P.
- the fan which brings the air fuel / gas fuel mixture into the sleeve 5 is less stressed and can turn less quickly to obtain the same flow.
- FIG. 7 shows that the deflector plate 3 'does not necessarily have a strictly circular contour, but that it may have at its periphery indentations 33 of various shapes, adapted to the passage of various elements, such as electrodes, ignition or ionization for example.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Gas Burners (AREA)
- Baking, Grill, Roasting (AREA)
- Air Supply (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0951422A FR2942866B1 (fr) | 2009-03-06 | 2009-03-06 | Porte a bruleur integre pour appareil de chauffage |
PCT/EP2010/051126 WO2010100004A1 (fr) | 2009-03-06 | 2010-01-29 | Porte à brûleur intégré pour appareil de chauffage |
Publications (2)
Publication Number | Publication Date |
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EP2404112A1 true EP2404112A1 (de) | 2012-01-11 |
EP2404112B1 EP2404112B1 (de) | 2016-06-29 |
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EP10701549.7A Active EP2404112B1 (de) | 2009-03-06 | 2010-01-29 | Tür mit eingebautem brenner für heizgerät |
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US (2) | US8978638B2 (de) |
EP (1) | EP2404112B1 (de) |
JP (1) | JP5342023B2 (de) |
KR (1) | KR101534894B1 (de) |
CN (1) | CN102341651B (de) |
CA (1) | CA2752093C (de) |
FR (1) | FR2942866B1 (de) |
RU (1) | RU2484376C1 (de) |
WO (1) | WO2010100004A1 (de) |
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DE102018102935A1 (de) | 2018-02-09 | 2019-08-14 | Vaillant Gmbh | Wärmezelle mit gekühlter Brennertür |
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CN102563663A (zh) * | 2012-02-02 | 2012-07-11 | 安徽盛运机械股份有限公司 | 垃圾焚烧炉专用看火门 |
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KR101597980B1 (ko) * | 2014-03-18 | 2016-02-29 | 주식회사 경동나비엔 | 열교환기 및 열교환기를 구성하는 단위플레이트의 제조방법 |
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JP6834772B2 (ja) * | 2017-05-22 | 2021-02-24 | 株式会社ノーリツ | 温水装置 |
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2009
- 2009-03-06 FR FR0951422A patent/FR2942866B1/fr active Active
-
2010
- 2010-01-29 EP EP10701549.7A patent/EP2404112B1/de active Active
- 2010-01-29 US US13/254,593 patent/US8978638B2/en active Active
- 2010-01-29 CN CN201080009922.9A patent/CN102341651B/zh active Active
- 2010-01-29 RU RU2011140497/06A patent/RU2484376C1/ru active
- 2010-01-29 WO PCT/EP2010/051126 patent/WO2010100004A1/fr active Application Filing
- 2010-01-29 CA CA2752093A patent/CA2752093C/fr active Active
- 2010-01-29 JP JP2011552372A patent/JP5342023B2/ja active Active
- 2010-01-29 KR KR1020117020721A patent/KR101534894B1/ko active IP Right Grant
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2015
- 2015-02-10 US US14/618,308 patent/US9816726B2/en active Active
Non-Patent Citations (1)
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See references of WO2010100004A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102018102935A1 (de) | 2018-02-09 | 2019-08-14 | Vaillant Gmbh | Wärmezelle mit gekühlter Brennertür |
Also Published As
Publication number | Publication date |
---|---|
FR2942866A1 (fr) | 2010-09-10 |
KR20110136802A (ko) | 2011-12-21 |
RU2484376C1 (ru) | 2013-06-10 |
JP5342023B2 (ja) | 2013-11-13 |
RU2011140497A (ru) | 2013-04-20 |
FR2942866B1 (fr) | 2012-03-23 |
JP2012519823A (ja) | 2012-08-30 |
US9816726B2 (en) | 2017-11-14 |
US8978638B2 (en) | 2015-03-17 |
CN102341651B (zh) | 2014-05-07 |
US20150153067A1 (en) | 2015-06-04 |
EP2404112B1 (de) | 2016-06-29 |
KR101534894B1 (ko) | 2015-07-07 |
CA2752093A1 (fr) | 2010-09-10 |
WO2010100004A1 (fr) | 2010-09-10 |
CA2752093C (fr) | 2016-06-14 |
CN102341651A (zh) | 2012-02-01 |
US20120000456A1 (en) | 2012-01-05 |
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