EP2828587B1 - Doppelzweck-wärmetauscher - Google Patents

Doppelzweck-wärmetauscher Download PDF

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Publication number
EP2828587B1
EP2828587B1 EP13718417.2A EP13718417A EP2828587B1 EP 2828587 B1 EP2828587 B1 EP 2828587B1 EP 13718417 A EP13718417 A EP 13718417A EP 2828587 B1 EP2828587 B1 EP 2828587B1
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EP
European Patent Office
Prior art keywords
coil
heat exchanger
jacket
stub pipe
utility water
Prior art date
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Application number
EP13718417.2A
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English (en)
French (fr)
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EP2828587A2 (de
Inventor
Adam Pacholski
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.)
AIC Sp zoo
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AIC Sp zoo
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Priority to PL13718417T priority Critical patent/PL2828587T3/pl
Publication of EP2828587A2 publication Critical patent/EP2828587A2/de
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Publication of EP2828587B1 publication Critical patent/EP2828587B1/de
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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
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
    • F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
    • F24H1/28—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes
    • F24H1/287—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes with the fire tubes arranged in line with the combustion chamber
    • 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
    • F24H1/48—Water heaters for central heating incorporating heaters for domestic water
    • F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—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
    • F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—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
    • F28D7/02—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
    • F28D7/024—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 the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—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
    • F28D7/16—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 in parallel spaced relation
    • F28D7/163—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F28D7/1669—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
    • F28D7/1676—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube with particular pattern of flow of the heat exchange media, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—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
    • F28D7/16—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 in parallel spaced relation
    • F28D7/1684—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 in parallel spaced relation the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • 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
    • F24H9/001—Guiding means
    • F24H9/0015—Guiding means in water channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/424—Means comprising outside portions integral with inside portions
    • F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples

Definitions

  • the invention relates to a dual purpose heat exchanger used in central heating systems and hot utility water systems.
  • Document PL 165 412 B1 discloses a heat exchanger of counter-current flow, used in central heating and utility water systems.
  • the exchanger comprises a cylindrical jacket terminating with bottoms, heating water stub pipes located in the exchanger axis, heated water stub pipes in the part of the cylindrical jacket and a replaceable coil unit wound around a core in a counter-current arrangement and fixedly connected with tube-sheets.
  • the jacket comprises two identical symmetrical parts equipped with a bolted-flange connection in the middle of the exchanger length.
  • the replaceable coil unit is seated between fastening elements, fixedly installed inside the jacket.
  • An aligning and installation arbour is mounted to each tube-sheet of the coil unit, which represents an extension of the core and passes through a centric hole in the fastening element, terminating with a connection element.
  • the exchangers can be functionally connected into sets.
  • Document PL 299295 A1 discloses a heat exchanger, especially for detached houses, comprising a hot utility water exchanger releasably connected with the central heating exchanger using flanges, between which a metal baffle is inserted with complete sealing, representing, at the same time, thermal insulation on both sides of the baffle; however, the heating coils of the central heating exchanger zero stage are connected in parallel with the coil distributor.
  • Document PL 53318 Y1 discloses a heat exchanger used in central heating and hot utility water systems in group or individual high power thermal substations.
  • the exchanger is equipped with a cylindrical jacket with heated water stub pipes and spiral coils for heating water located inside the jacket around the core in a counter-current arrangement, whose ends are fixedly installed to the tube-sheets.
  • the front walls of the exchanger are demountable covers, and the heating water stub pipes are located perpendicularly to the exchanger axis between the covers and tube-sheet.
  • Document PL 184526 B1 discloses a direct water heater formed of a housing divided into two zones located one on top of the other or next to each other. Each zone comprises a water spraying nozzle located in the top section above the filling, consisting of heat exchanging elements and a tank located under the filling of heat exchanging elements and connected to a closed loop with a heat exchanging device.
  • the first section further comprises a burner used to heat the water sprayed by the nozzle above the filling, and the other comprises an exhaust gas duct.
  • Direct water heater with two chambers allows for the supply of hot water from two sources of different temperatures for different purposes.
  • WO 01/98716 A1 discloses a hot water boiler with a flow heater for tap water, comprising a combustion chamber, an outlet for heating water from a gap-shaped passage arranged around the combustion chamber, a tube coil for tap water arranged in said passage, and an inlet for return heating water.
  • the boiler comprises a preheater for return heating water arranged in the combustion chamber.
  • the preheater has an outlet line which conducts preheated heating water out of the combustion, chamber to the lower part of the boiler, from where it passes upward in the gap-shaped passage surrounding the combustion chamber while being heated by the combustion chamber and transferring heat to the tap water.
  • the purpose of the invention is to minimize the dimensions of the device housing heat exchanger used in a central heating system and hot utility water system.
  • the dual purpose heat exchanger is defined in claim 1 or 2 and comprises a central heating fluid circuit and a hot utility water circuit, and contains a fired main heat exchanger and a coil enclosed by an external jacket equipped with an inlet stub pipe for fluid heating the utility water in the coil as well as an inlet and outlet stub pipe for utility water, the flow chamber of fluid heating the utility water in the coil is connected with the flow chamber of heated fluid in the main exchanger, characterised in that the main heat exchanger jacket is of a conical shape with the diameter increasing towards the top, or of a known cylindrical shape, inside which there is a set of vertical tube elements fixed at their ends on both sides to the tube-sheets, the coil is wound on the jacket of the main heat exchanger below a combustion chamber located over the top tube-sheet, the external jacket enclosing the coil is tightly connected with the main exchanger jacket, forming a flow chamber of fluid heating the utility water in the coil, whose chamber is connected with the flow chamber of heated fluid in the main exchanger using at least one overflow
  • the dual purpose heat exchanger comprises a known fired main heat exchanger and a copper coil 2 wound on the exchanger jacket 1.
  • the main exchanger jacket is of a conical shape with the diameter increasing towards the top, inside which there is a set of vertical tube elements 1 3 fixed at their ends on both sides to tube-sheets.
  • the combustion chamber 10 is located over the top tube-sheet.
  • the coil 2 is wound around the main heat exchanger jacket 1, and the coil is enclosed by an external jacket 3 equipped with an inlet stub pipe 6 of fluid heating the utility water in coil 2 and an inlet stub pipe 4 and an outlet stub pipe 5 of utility water.
  • the inlet stub pipe 4 and outlet stub pipe 5 of utility water are connected with the jacket 3 using a welded, stainless sleeve with a thread, ring and nut.
  • the jacket 3 is tightly connected with the main exchanger jacket 1, and the space between the jackets 1, 3, composing a flow chamber of fluid heating the utility water in coil 2, is connected through the overflow hole 7 with the flow chamber 8 of heated fluid in the main exchanger.
  • the inlet stub pipe 11 of fluid passes through the external jacket 3 to the main heat exchanger; the outlet stub pipe 12 of hot fluid is located within the top section of the main heat exchanger jacket 1.
  • the external jacket 3 has uniform dents 9 in three vertical rows that set the coil 2 turns.
  • Hot exhaust in the combustion chamber 10 flows down via tube elements 13 and give up the heat of fluid circulating in a counter-current arrangement in relation to the direction of exhaust flow inside the jacket 1.
  • Hot fluid from the main exchanger, collected by the outlet stub pipe 12 is cyclically introduced through the inlet stub pipe 6 to the chamber between jackets 1 and 3, where by when flowing down, it heats the utility water in the coil 2 and then, through the overflow hole 7 in the jacket 1 of the main heat exchanger, returns to the flow chamber 8 of heated fluid in the main exchanger.
  • Utility water is supplied to the coil 2 using an inlet stub pipe 4, which is heated by flowing in a counter-current arrangement in relation to the heating fluid and is collected by the outlet stub pipe 5.
  • the dual purpose heat exchanger described in the first embodiment, has a cavity for coil 2 ( fig. 4 ) formed in the main heat exchanger jacket 1.
  • the dual purpose heat exchanger described in the first embodiment, has the main heat exchanger jacket 1 in a cylindrical shape ( fig. 5 ).
  • the dual purpose heat exchanger described in the third embodiment, has a cavity for coil 2 ( fig. 6 ) formed in the main heat exchanger jacket 1.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Claims (2)

  1. Doppelzweck-Wärmetauscher, der einen Zentralheizungsflüssigkeits- und einen Brauchwarmwasserkreislauf, sowie einen Hauptwärmetauscher und eine von einem Außenmantel (3) umgebene Heizschlange (2) mit einem Einlauf (6) für das wärmeabgebende Medium in der Heizschlange (2) sowie einen Einlauf (4) und einen Auslauf (5) für das Brauchwasser umfasst, wobei die Strömungskammer des wärmeabgebenden Mediums für das Brauchwassers in der Heizschlange (2) mit der Strömungskammer des aufzuwärmenden Mediums (8) im Hauptaustauscher verbunden ist, dadurch gekennzeichnet, dass der Mantel (1) des Hauptwärmetauschers eine konische Form mit einem nach oben hin zunehmenden Durchmesser aufweist, in dessen Innenraum sich eine Reihe von vertikalen Rohren (13) befindet, die an ihren Enden beidseitig an den Rohrwänden befestigt sind, sowie die Heizschlange (2) auf dem Mantel (1) des Hauptwärmetauschers unterhalb der Verbrennungskammer (10) aufgewickelt ist, die sich über der oberen Rohrwand befindet, wobei der äußere Mantel (3), der die Rohrschlage (2) umgibt, an den Mantel (1) des Hauptwärmetauschers dicht angeschlossen ist und somit eine Strömungskammer des wärmeabgebenden Mediums für die Erwärmung des Brauchwassers in der Heizschlange (2) bildet, die mit der Strömungskammer des aufzuwärmenden Mediums (8) im Hauptwärmetauscher durch mindestens einen Überlauf (7) verbunden ist, der am Boden des Mantels (1) des Hauptwärmetauschers angeordnet ist, sowie der Einlauf (4) für das Brauchwasser und der Einlauf (11) des Mediums zum Hauptwärmetauscher im unteren Teil des Außenmantels (3), der die Rohrschlage (2) umgibt, angeordnet ist, und der Auslauf (5) des Brauchwassers und der Einlauf (6) des wärmeabgebenden Mediums in der Heizschlange (2) im oberen Teil des die Heizschlange (2) umgebenden Außenmantels (3) angeordnet ist, und der Auslauf (12) des heißen Mediums des Hauptwärmetauschers im oberen Teil des Mantels (1) des Hauptwärmetauschers angeordnet ist, darüber hinaus sind der Einlauf (4) und der Auslauf (5) des Brauchwassers mit dem Außenmantel (3) der Heizschlange verbunden und zwar mit Hilfe einer angeschweißten Edelstahlhülse mit Gewinde, Ring und Mutter, und im Außenmantel (3) der Heizschlange in drei vertikalen Reihen gleichmäßige Vertiefungen (9) ausgeführt sind, die die Anordnung der Schlangenwicklungen (2) bestimmen, oder durch die Schlangenwicklungen (2) abwechselnd ein Band geführt wird, das ihre Position bestimmt, oder die Schlangenwicklungen (2) auf einem Trennkamm aufgebaut sind, und optional im Mantel (1) des Hauptwärmetauschers eine Nische für die Heizschlange (2) ausgebildet ist.
  2. Doppelzweck-Wärmetauscher der einen Zentralheizungsflüssigkeits- und einen Brauchwarmwasserkreislauf, sowie einen Hauptwärmetauscher, dessen Mangen (1) eine zylindrische Form aufweist sowie eine von einem Außenmantel (3) umgebene Heizschlange (2) mit einem Einlauf (6) für das wärmeabgebende Medium in der Heizschlange (2) sowie einen Einlauf (4) und einen Auslauf (5) für das Brauchwasser umfasst, wobei die Strömungskammer des wärmeabgebenden Mediums für das Brauchwassers in der Heizschlange (2) mit der Strömungskammer des aufzuwärmenden Mediums (8) im Hauptaustauscher verbunden ist, dadurch gekennzeichnet, dass im Innenraum des Mantels (1) des Hauptwärmetauschers sich eine Reihe von vertikalen Rohren (13) befindet, die an ihren Enden beidseitig an den Rohrwänden befestigt sind, sowie die Heizschlange (2) auf dem Mantel (1) des Hauptwärmetauschers unterhalb der Verbrennungskammer (10) aufgewickelt ist, die sich über der oberen Rohrwand befindet, wobei der, äußere Mantel (3), der die Rohrschlage (2) umgibt, an den Mantel (1) des Hauptwärmetauschers dicht angeschlossen ist und somit eine Strömungskammer des wärmeabgebenden Mediums für die Erwärmung des Brauchwassers in der Heizschlange (2) bildet, die mit der Strömungskammer des aufzuwärmenden Mediums (8) im Hauptwärmetauscher durch mindestens einen Überlauf (7) verbunden ist, der am Boden des Mantels (1) des Hauptwärmetauschers angeordnet ist, sowie der Einlauf (4) für das Brauchwasser und der Einlauf (11) des Mediums zum Hauptwärmetauscher im unteren Teil des Außenmantels (3), der die Rohrschlage (2) umgibt, angeordnet ist, und der Auslauf (5) des Brauchwassers und der Einlauf (6) des wärmeabgebenden Mediums in der Heizschlange (2) im oberen Teil des die Heizschlange (2) umgebenden Außenmantels (3) angeordnet ist, und der Auslauf (12) des heißen Mediums des Hauptwärmetauschers im oberen Teil des Mantels (1) des Hauptwärmetauschers angeordnet ist, darüber hinaus sind der Einlauf (4) und der Auslauf (5) des Brauchwassers mit dem Außenmantel (3) der Heizschlange verbunden und zwar mit Hilfe einer angeschweißten Edelstahlhülse mit Gewinde, Ring und Mutter, und im Außenmantel (3) der Heizschlange in drei vertikalen Reihen gleichmäßige Vertiefungen (9) ausgeführt sind, die die Anordnung der Schlangenwicklungen (2) bestimmen, oder durch die Schlangenwicklungen (2) abwechselnd ein Band geführt wird, das ihre Position bestimmt, oder die Schlangenwicklungen (2) auf einem Trennkamm aufgebaut sind, und optional im Mantel (1) des Hauptwärmetauschers eine Nische für die Heizschlange (2) ausgebildet ist.
EP13718417.2A 2012-03-23 2013-03-15 Doppelzweck-wärmetauscher Active EP2828587B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13718417T PL2828587T3 (pl) 2012-03-23 2013-03-15 Dwufunkcyjny wymiennik ciepła

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL398607A PL223959B1 (pl) 2012-03-23 2012-03-23 Dwufunkcyjny wymiennik ciepła
PCT/PL2013/000033 WO2013141728A2 (en) 2012-03-23 2013-03-15 Dual purpose heat exchanger

Publications (2)

Publication Number Publication Date
EP2828587A2 EP2828587A2 (de) 2015-01-28
EP2828587B1 true EP2828587B1 (de) 2020-08-12

Family

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Family Applications (1)

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EP13718417.2A Active EP2828587B1 (de) 2012-03-23 2013-03-15 Doppelzweck-wärmetauscher

Country Status (4)

Country Link
EP (1) EP2828587B1 (de)
ES (1) ES2817173T3 (de)
PL (2) PL223959B1 (de)
WO (1) WO2013141728A2 (de)

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KR101606264B1 (ko) * 2014-04-22 2016-03-24 최영환 순환 가이드를 구비한 열교환기
CN104479693B (zh) * 2014-12-22 2017-01-25 杭州锅炉集团股份有限公司 焦炉荒煤气显热回收系统及回收方法
CN104531173A (zh) * 2014-12-22 2015-04-22 杭州锅炉集团股份有限公司 焦炉荒煤气上升管显热回收装置及回收方法
PL232220B1 (pl) * 2015-07-05 2019-05-31 Aic Spolka Akcyjna Kondensacyjny wymiennik ciepła
GB201610729D0 (en) * 2016-06-20 2016-08-03 Evans Peter And Sallaku Arben Boiler
PL242434B1 (pl) 2020-07-20 2023-02-20 Aic Spolka Akcyjna Dwufunkcyjny kocioł grzewczy
PL244327B1 (pl) 2022-01-05 2024-01-08 Aic Spolka Akcyjna Kocioł hybrydowy
PL244678B1 (pl) * 2022-01-23 2024-02-19 Aic Spolka Akcyjna Kocioł elektryczny dwufunkcyjny
EP4361523A1 (de) * 2022-10-31 2024-05-01 Apen Group S.p.A. Brennwertkessel mit brenner und speicher für hybridanlagen mit wärmepumpe

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Publication number Publication date
PL398607A1 (pl) 2013-09-30
PL223959B1 (pl) 2016-11-30
EP2828587A2 (de) 2015-01-28
WO2013141728A2 (en) 2013-09-26
PL2828587T3 (pl) 2021-01-11
WO2013141728A3 (en) 2013-11-21
ES2817173T3 (es) 2021-04-06

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