A flame-proof and explosion-proof surface combustion gas includes a burner body pierced with a series of orifices, each of which is extended by a rim, wherein the orifices are arranged in several rows of aligned orifices; and a gas distributor that includes a distributor body equipped with a plurality of longitudinal gas-distribution branches, each branch being pierced with a line of orifices bordered by a rim. The distributor body is positioned inside the burner body such that each orifice of the distributor body is coaxial with an orifice of the burner body, wherein when the burner body is coupled to an air supply source and the distributor body is coupled to a gas supply source, the air and the gas mix only at the rims of the burner body.
The heat exchanger has a helically bound bundle (2) of tubes fixedly mounted inside a casing fitted with a pipe for evacuating gases generated by a burner (6). The casing (1) is made of a heat-resistant plastic material. A containment mechanism comprising a tie rod (5) and an annular plate (30) ensures mechanical containment of the bundle in an axial direction to absorb thrust loads resulting from fluid internal pressure
F24H 1/43 - 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
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL Details
The present invention relates to a heat exchanger (1′), comprising: —a gas-tight casing (2), —at least one tube (4) made from a good thermally conducting material and inside which a fluid to be heated can circulate, this tube (4) being helically wound so as to form a helical winding (40) having a longitudinal axis (X-X′) which is arranged inside said casing (2), —means for conveying and/or for producing hot gases inside said casing (2), such as a burner (3), so as to define a combustion chamber (26) therein, this helical winding (40) being arranged so as to form a gap (45) between two adjacent turns, said at least one tube (4) having a front face (41) and a rear face (42) which are opposing, a bottom side (43) oriented towards the longitudinal axis (X-X′) and a top side (44) oriented towards the casing (2), said front face (41) and said rear face (42) of the tube (4) being planar or substantially planar and being located on either side of the gap (45). This heat exchanger is noteworthy in that said at least one tube (4) has, on the front face (41) thereof and/or the rear face (42) thereof, a shoulder (46) which extends from the bottom side (43) of the tube towards the top side (44) thereof, over part of the height (H1) of the straight section of this tube (4) and also over the whole, or virtually the whole, length of this tube (4).
F28D 7/12 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, i.e. return type
F28D 7/02 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
F28F 1/02 - Tubular elements of cross-section which is non-circular
4.
FLAME-PROOF AND EXPLOSION-PROOF SURFACE COMBUSTION GAS BURNER
The present invention relates to a flame-proof and explosion-proof surface combustion gas burner (1). This burner is notable in that it comprises a burner body (2) pierced with a series of orifices (21), each of which is extended by a rim (22), these orifices (21) being arranged in several rows (24) of aligned orifices (21), and a gas distributor (5) which comprises a distributor body (50) equipped with a plurality of longitudinal gas-distribution branches (52), each branch (52) being pierced with a line of orifices which are bordered by a rim (59). Moreover, the distributor body (50) is placed inside the burner body (2) in such a way that each orifice of the distributor body (50) is coaxial with an orifice (21) of the burner body (2) so that when the burner body (2) is coupled to an air supply source and the distributor body (50) is coupled to a gas supply source, the air and the gas mix only at the rims (22) of the burner body (2).
The present invention relates to a heat exchanger (1'), comprising: - a gas-tight casing (2), - at least one tube (4) made from a good thermally conducting material and inside which a fluid to be heated can circulate, this tube (4) being helically wound so as to form a helical winding (40) having a longitudinal axis (X-X') which is arranged inside said casing (2), - means for conveying and/or for producing hot gases inside said casing (2), such as a burner (3), so as to define a combustion chamber (26) therein, this helical winding (40) being arranged so as to form a gap (45) between two adjacent turns, said at least one tube (4) having a front face (41) and a rear face (42) which are opposing, a bottom side (43) oriented towards the longitudinal axis (X-X') and a top side (44) oriented towards the casing (2), said front face (41) and said rear face (42) of the tube (4) being planar or substantially planar and being located on either side of the gap (45). This heat exchanger is noteworthy in that said at least one tube (4) has, on the front face (41) thereof and/or the rear face (42) thereof, a shoulder (46) which extends from the bottom side (43) of the tube towards the top side (44) thereof, over part of the height (H1) of the straight section of this tube (4) and also over the whole, or virtually the whole, length of this tube (4).
The present invention relates to a condensation heat exchanger (10) comprising: - at least one tube (7) in the form of a helical winding (70), having a planar front face (71) and a planar rear face (72) and being housed in a casing (2), - means (5) for producing a hot gas inside said casing, - a discoid deflector (8) which is provided with a peripheral flange (823) and is arranged in the helical winding (70), such that the flange thereof is inserted in a gap between two successive turns, and a combustion chamber (25) and a condensation chamber (26) are to be provided in the casing (2). This exchanger is noteworthy in that the front face (8231) of said flange (823) is gas-tightly attached to the rear face (72) of the final turn (702) of said winding (70) which is located in the combustion chamber (25), in that at least one protruding element (8233) is arranged between the rear face (8232) of said flange (823) and the front face (71) of the first turn (703) which is located in the condensation chamber (26), so as to provide therebetween a gap for circulation of the gases (73'), and in that the external diameter of the discoid deflector (D1) is less than the internal diameter (D2) of the helical winding (70) so as to provide a passage for circulation of the hot gases (27).
F24H 1/43 - 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
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL Details
F24H 8/00 - Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
F28D 7/02 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
A condensation heat exchanger including at least one helically-coiled tube, inside which a fluid to be heated can circulate, a deflector, and a shell mounted inside which the tube, the shell having a gas-discharge sleeve having a bottom and a facade for feeding and/or producing a hot gas, inside the shell. The shell comprises a tubular metallic shroud closed at its two ends by a facade and a bottom, wherein the bottom is made of composite plastic, the rear edge of the shroud has a plurality of fastening tongues, the bottom has, at its periphery, a plurality of fastening slots arranged along at least part of its circumference, each fastening slot bordered longitudinally by a first longitudinal rib projecting outwardly, and wherein each fastening tongue is inserted into a fastening slot and folded twice around the first rib.
F28F 9/00 - CasingsHeader boxesAuxiliary supports for elementsAuxiliary members within casings
F16B 17/00 - Fastening means without screw-thread for connecting constructional elements or machine parts by a part of or on one member entering a hole in the other
F24H 1/43 - 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
F24H 9/14 - Arrangements for connecting different sections, e.g. in water heaters
F28D 7/02 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies
F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
The present invention relates to a condensation heat exchanger comprising at least one helically-coiled tube, inside which a fluid to be heated can circulate, a deflector, and a shell inside which said tube is mounted, this shell being provided with a gas-discharge sleeve, with a bottom and with a façade that supports means for feeding and/or for producing a hot gas, inside the shell. This exchanger is noteworthy in that said shell comprises: a tubular metallic shroud closed at its two ends by a façade and by a bottom, in that the bottom is made of composite plastic, in that the rear edge of the shroud has a plurality of fastening tongues, in that the bottom has, at its periphery, a plurality of fastening slots arranged along at least part of its circumference, each fastening slot being bordered longitudinally by a first longitudinal rib that projects outwardly, and in that each fastening tongue is inserted into a fastening slot and folded twice around said first rib.
F24H 1/43 - 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
F24H 8/00 - Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
F24H 9/14 - Arrangements for connecting different sections, e.g. in water heaters
F28D 7/02 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 9/00 - CasingsHeader boxesAuxiliary supports for elementsAuxiliary members within casings
F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies
F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
A deflector for a condensation heat exchanger and to an exchanger provided with such a deflector. The deflector includes two front and rear cups with inner surfaces at the bottom designed in relief so as to have at least one circulation groove. The two cups are assembled on either side of a central partition so that each groove forms, with the partition, a channel in which a heat-transfer fluid is intended to circulate. The channels of the front and rear cups are connected via an opening bored into the central partition, so that the heat transfer fluid can circulate from an inlet coupling to an outlet coupling of the deflector, through the channels by flowing on either side of the central partition.
F24H 1/43 - 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
F24H 8/00 - Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL Details
F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 7/02 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28D 7/04 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled
13.
Condensation heat exchanger provided with a heat exchange device
The invention relates to a condensation heat exchanger which comprises: —at least two concentric bundles (5, 5′) of tubes made from a material that is a good thermal conductor, inside which tubes a heat-transfer fluid is intended to circulate, each bundle of tubes (5, 5′) comprising a series of tubes (50, 50′) in the form of an arc of a circle, the tubes of each bundle (5, 5′) being arranged in parallel planes with a gap (53, 53′) between two adjacent tubes (50, 50′), —a single collector (6) made of a material that is a good conductor of heat and to which the two ends (51, 51′, 52, 52′) of each tube (50, 50′) of the various bundles (5, 5′) are connected, this collector (6) being equipped with inlet (61) and outlet (62) couplings. This exchanger is notable in that the collector (6) comprises several partitions delimiting various channels, which allow the fluid that is to be warmed up to be made to circulate in the various successive bundles from the outermost bundle to the innermost bundle.
F24H 1/43 - 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
F24H 8/00 - Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 7/08 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
F24H 1/40 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 7/02 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
14.
DEFLECTOR FOR CONDENSATION HEAT EXCHANGER AND EXCHANGER PROVIDED WITH SUCH A DEFLECTOR
The invention relates to a deflector for a condensation heat exchanger and to an exchanger provided with such a deflector. Said deflector (2) is characterised in that it includes two front (3) and rear (4) cups of which the inner surface (311, 411) of the bottom is designed in relief so as to have at least one circulation groove (34, 44), the two cups being assembled on either side of a central partition (5) so that each groove forms, with said partition, a channel in which a heat-transfer fluid is intended to circulate, the channels of the front and rear cups being connected via an opening (50) bored into said central partition (5), so that said heat-transfer fluid can circulate from an inlet coupling (40) to an outlet coupling (30) of the deflector, through said channels by flowing on either side of said central partition.
F24H 1/40 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
F24H 8/00 - Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL Details
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F24H 1/43 - 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
15.
CONDENSATION HEAT EXCHANGER PROVIDED WITH A HEAT EXCHANGE DEVICE
The invention relates to a condensation heat exchanger which comprises: – at least two concentric bundles (5, 5') of tubes made from a material that is a good thermal conductor, inside which tubes a heat-transfer fluid is intended to circulate, each bundle of tubes (5, 5') comprising a series of tubes (50, 50') in the form of an arc of a circle, the tubes of each bundle (5, 5') being arranged in parallel planes with a gap (53, 53') between two adjacent tubes (50, 50'), – a single collector (6) made of a material that is a good conductor of heat and to which the two ends (51, 51', 52, 52') of each tube (50, 50') of the various bundles (5, 5') are connected, this collector (6) being equipped with inlet (61) and outlet (62) couplings. This exchanger is notable in that the collector (6) comprises several partitions delimiting various channels, which allow the fluid that is to be warmed up to be made to circulate in the various successive bundles from the outermost bundle to the innermost bundle.
F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 7/08 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F24H 1/43 - 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
The invention concerns a surface-combustion gas burner comprising a combustion grate consisting of a metal sheet pierced with a series of slots. This burner is remarkable in that said metal sheet comprises a series of deflectors made in one piece with said metal sheet and protruding on the outer face of same, each deflector extending longitudinally and laterally above the entire surface of a slot, and in that each deflector comprises a guide portion for guiding the gas flow and a junction portion joining to the metal sheet, said guide portion being spaced from the metal sheet in such a way as to provide therewith at least one lateral gas ejection port, said deflectors being disposed in pairs in such a way that the lateral gas ejection ports of same face each other.
The invention concerns a surface-combustion gas burner comprising a combustion grate consisting of a metal sheet (1) pierced with a series of slots (2). This burner is remarkable in that said metal sheet comprises a series of deflectors (3) made in one piece with said metal sheet and protruding on the outer face (12) of same, each deflector (3) extending longitudinally and laterally above the entire surface of a slot (2), and in that each deflector (3) comprises a guide portion for guiding the gas flow and a junction portion joining to the metal sheet (1), said guide portion being spaced from the metal sheet (1) in such a way as to provide therewith at least one lateral gas ejection port (40, 40'), said deflectors being disposed in pairs in such a way that the lateral gas ejection ports of same face each other.
Heating boilers; water heaters; heat exchangers; heating
apparatus; burners; regulating and safety accessories for
gas pipes; regulation and control units for the flow of gas
to a burner.
