WO2023041810A1 - Heating device with thermal insulation as a collecting container, and heating system with such a heating device - Google Patents

Heating device with thermal insulation as a collecting container, and heating system with such a heating device Download PDF

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Publication number
WO2023041810A1
WO2023041810A1 PCT/EP2022/076463 EP2022076463W WO2023041810A1 WO 2023041810 A1 WO2023041810 A1 WO 2023041810A1 EP 2022076463 W EP2022076463 W EP 2022076463W WO 2023041810 A1 WO2023041810 A1 WO 2023041810A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
heating device
thermal insulation
medium
heating
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Application number
PCT/EP2022/076463
Other languages
German (de)
French (fr)
Inventor
Bernd Wieland
Original Assignee
Robert Bosch Gmbh
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Publication of WO2023041810A1 publication Critical patent/WO2023041810A1/en

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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
    • F24H9/00—Details
    • F24H9/16—Arrangements for water drainage 
    • F24H9/17—Means for retaining water leaked from heaters
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F28D20/0039—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material with stratification of the heat storage material
    • 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
    • F24H1/18—Water-storage heaters
    • F24H1/181—Construction of the tank
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators
    • 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
    • F28D9/00—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

Definitions

  • the present invention relates to a heating device comprising a heat exchanger, which is intended to transfer heat from a first medium to a second medium, and a heating system with such a heating device.
  • Heating devices with at least one heat exchanger for transferring heat from a first medium to a second medium are known from the prior art.
  • the present invention with the features of the main claim is characterized by thermal insulation, which is intended to thermally insulate the heat exchanger at least partially, and which at the same time serves as a collection container for the first medium and/or second medium escaping from the heat exchanger during maintenance Medium is formed. This makes maintenance by a technician easier and cleaner.
  • the heat exchanger is a plate heat exchanger.
  • the invention can be implemented particularly well.
  • the first medium is supplied to the heat exchanger from a buffer store and/or an external heat generator. In this way, the thermal insulation can be used particularly advantageously as a collection container.
  • the second medium is service water, preferably from a stratified storage tank, which means that the thermal insulation can also be used particularly advantageously as a collection container.
  • the thermal insulation at least partially thermally insulates the heat exchanger in a first position and acts as a collection container in a second position.
  • a technician can himself determine in which position he arranges the thermal insulation and accordingly when he uses the thermal insulation as a collection container. Accordingly, maintenance can be carried out flexibly as required.
  • the thermal insulation preferably in the first position, is arranged in a form-fitting manner on the heat exchanger and/or surrounds the heat exchanger at least partially in a form-fitting manner. This achieves particularly good thermal shielding.
  • the thermal insulation preferably in the second position, is arranged at least essentially below the heat exchanger.
  • a medium escaping from the heat exchanger can be collected particularly well by the thermal insulation as a collection container.
  • thermal insulation is designed like a trough. This enables particularly good insulation and, at the same time, particularly good collection of medium escaping from the heat exchanger.
  • the thermal insulation is at least partially made of a foam-like material, preferably made of expanded polypropylene. As a result, the manufacturing costs can be kept low.
  • FIG. 1 shows a schematic representation of an exemplary embodiment of a heating system
  • FIG. 2 shows a further schematic representation of the exemplary embodiment of the heating system from FIG. 1,
  • Fig. 3 shows a perspective view of an embodiment of a heating device from Fig. 1,
  • FIG. 4 shows a further perspective illustration of the exemplary embodiment of the heating device from FIG. 3.
  • the heating system includes a heating device 10 which is intended to heat heating water for a heating circuit 12 and/or service water for a consumer 14 .
  • the heating device 10 has a heating cell 16 with a burner unit 18 which is intended to heat heating water for the heating circuit 12 by burning a fuel such as natural gas.
  • the heating device 10 has a heat exchanger 20 which is intended to transfer heat from a first medium, in the present case the heating water, to a second medium, in the present case the service water.
  • the heat exchanger 20 is a plate heat exchanger 21.
  • the heat exchanger 20 is provided to incorporate heat from an external heat generator 22 for heating the service water.
  • the external heat generator 22 is a solar unit 24 which is thermally coupled to the heating device 10 via a buffer memory 26 .
  • the solar unit 24 collected heat, with a corresponding Spiral heat exchanger 28 coupled lines 30, 32, are transferred to a medium located in the buffer memory 26, in this case heating water.
  • This heating water from the buffer tank 26 can then in turn be fed via further corresponding lines 34, 36 and three-way valves 38, 40 to the burner unit 18 for heating the same heating water and/or the heat exchanger 20 for heating the service water.
  • heating water is fed to the burner unit 18, it is heated by means of this and then fed directly to the heating circuit 12. If the heating water is fed to the heat exchanger 20, heat is transferred from the heating water to the service water by means of this heat exchanger.
  • the process water from a stratified storage tank 46 is supplied to the heat exchanger 20, in the present case by means of further corresponding lines 42, 44.
  • feed pumps 48 are arranged at the appropriate points.
  • the heating device 10 is now characterized by a thermal insulation 50, which is provided for the heat exchanger 20, or the first medium and/or second medium located in the heat exchanger 20, in the present case the heating water and the service water, at least partially thermally, in the case shown preferably to insulate against the heat cell 16, and which at the same time as a collecting container 52 for the first medium and/or second medium exiting from the heat exchanger 20 during maintenance, in the present case for the heating water exiting from the heat exchanger during maintenance and / or domestic water, is formed.
  • a thermal insulation 50 which is provided for the heat exchanger 20, or the first medium and/or second medium located in the heat exchanger 20, in the present case the heating water and the service water, at least partially thermally, in the case shown preferably to insulate against the heat cell 16, and which at the same time as a collecting container 52 for the first medium and/or second medium exiting from the heat exchanger 20 during maintenance, in the present case for the heating water exiting from the heat exchanger during maintenance and / or domestic water, is
  • the thermal insulation 50 is designed in such a way that in a first position it at least partially thermally insulates the heat exchanger 20 and in a second position it functions as a collection container 52 . In this way, a technician can determine for himself in which position he should place the thermal insulation 50 arranges and accordingly when he uses the thermal insulation 50 as a collection container 52. This means that maintenance can be carried out flexibly as required.
  • FIGS. 1 and 3 each show a representation of the exemplary embodiment with the thermal insulation 50 in the first position
  • FIGS. 2 and 4 each show a representation of the exemplary embodiment with the thermal insulation 50 in the second position.
  • the thermal insulation 50 is arranged in a form-fitting manner on the heat exchanger 20 or surrounds the heat exchanger 20 at least partially in a form-fitting manner.
  • the thermal insulation 50 does not insulate the heat exchanger 20 on the side on which the lines 42, 44 are connected to the heat exchanger 20.
  • the thermal insulation 50 insulates the heat exchanger 20 towards the other sides. As a result, particularly good thermal shielding, in particular from the heat cell 16, is achieved.
  • the thermal insulation 50 is arranged as a collection container 52 below the heat exchanger 20 .
  • the thermal insulation 50 is arranged as a collection container 52 below the heat exchanger in such a way that the side of the heat exchanger 20 on which the lines 42, 44 are connected to the heat exchanger 20 is above the thermal insulation 50 or the collection container 52 , located.
  • heating water and/or service water which escapes from the heat exchanger 20 when the lines 42, 44 are detached from the heat exchanger 20 and/or from the lines 42, 44 can be collected in the thermal insulation 50 or the collection container 52 .
  • a medium escaping from the heat exchanger 20 can thus be collected particularly well by the thermal insulation 50 as a collection container 52 .
  • the thermal insulation 50 or the collection container 52 is designed like a trough.
  • the heat exchanger 20 can be thermally insulated over a particularly large area, and at the same time the thermal insulation 50 or the collection container 52 can collect a medium escaping from the heat exchanger 50 particularly well.
  • the thermal insulation 52, or the collection container 52, in the embodiment shown is made of a foam-like material, in the case shown expanded polypropylene. In this way, the thermal insulation 50 or the collection container 50 can be manufactured at low cost.

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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)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Details Of Fluid Heaters (AREA)

Abstract

The invention relates to a heating device (10) comprising a heat exchanger (20), which is intended for transferring heat from a first medium to a second medium, and also relates to a heating system (100) with such a heating device (10). It is proposed to provide thermal insulation (50), which is intended to at least partially thermally insulate the heat exchanger (20) and which at the same time is formed as a collecting container (52) for the first medium and/or second medium escaping from the heat exchanger during maintenance.

Description

Beschreibung Description
Titel mischer Isolierung als
Figure imgf000003_0001
sowie Heizsystem mit einer
Figure imgf000003_0002
Title mixer insulation than
Figure imgf000003_0001
as well as heating system with a
Figure imgf000003_0002
Die vorliegende Erfindung betrifft eine Heizvorrichtung umfassend einen Wärmeübertrager, welcher dazu vorgesehen ist Wärme von einem ersten Medium auf ein zweites Medium zu übertragen, sowie ein Heizsystem mit einer solchen Heizvorrichtung. The present invention relates to a heating device comprising a heat exchanger, which is intended to transfer heat from a first medium to a second medium, and a heating system with such a heating device.
Stand der Technik State of the art
Aus dem Stand der Technik sind Heizvorrichtungen mit zumindest einem Wärmeübertrager zum Übertragen von Wärme eines ersten Mediums auf ein zweites Medium bekannt. Heating devices with at least one heat exchanger for transferring heat from a first medium to a second medium are known from the prior art.
Offenbarung der Erfindung Disclosure of Invention
Die vorliegende Erfindung mit den Merkmalen des Hauptanspruchs zeichnet sich demgegenüber durch eine thermische Isolierung aus, welche dazu vorgesehen ist den Wärmeübertrager zumindest teilweise thermisch zu isolieren, und welche zugleich als Auffangbehälter für das bei einer Wartung aus dem Wärmeübertrager austretende erste Medium und/oder austretende zweite Medium ausgebildet ist. Dadurch kann eine Wartung durch einen Techniker einfacher und sauberer erfolgen. In contrast, the present invention with the features of the main claim is characterized by thermal insulation, which is intended to thermally insulate the heat exchanger at least partially, and which at the same time serves as a collection container for the first medium and/or second medium escaping from the heat exchanger during maintenance Medium is formed. This makes maintenance by a technician easier and cleaner.
Durch die in den Unteransprüchen aufgeführten Merkmale sind vorteilhafte Weiterbildungen der Erfindung nach dem Hauptanspruch möglich. So ist es vorteilhaft, wenn es sich bei dem Wärmeübertrager um einen Plattenwärmeübertrager handelt. Dadurch kann die Erfindung besonders gut realisiert werden. Auch ist es vorteilhaft, wenn das erste Medium aus einem Pufferspeicher und/oder einem Fremdwärmeerzeuger dem Wärmeübertrager zugeführt wird. So kann die thermische Isolierung als Auffangbehälter besonders vorteilhaft eingesetzt werden. Advantageous developments of the invention according to the main claim are possible due to the features listed in the subclaims. It is advantageous if the heat exchanger is a plate heat exchanger. As a result, the invention can be implemented particularly well. It is also advantageous if the first medium is supplied to the heat exchanger from a buffer store and/or an external heat generator. In this way, the thermal insulation can be used particularly advantageously as a collection container.
Ebenso ist es vorteilhaft, wenn es sich bei dem zweiten Medium um Brauchwasser, vorzugsweise aus einem Schichtspeicher, handelt, wodurch ebenfalls die thermische Isolierung als Auffangbehälter besonders vorteilhaft eingesetzt werden. It is also advantageous if the second medium is service water, preferably from a stratified storage tank, which means that the thermal insulation can also be used particularly advantageously as a collection container.
Von Vorteil ist es auch, wenn die thermische Isolierung in einer ersten Position den Wärmeübertrager zumindest teilweise thermisch isoliert und in einer zweiten Position als Auffangbehälter fungiert. So kann ein Techniker bei einer Wartung selbst bestimmten in welche Position er die thermische Isolierung anordnet und entsprechend wann er die thermische Isolierung als Auffangbehälter verwendet. Entsprechend kann dadurch eine Wartung je nach Bedarf flexibel erfolgen. It is also advantageous if the thermal insulation at least partially thermally insulates the heat exchanger in a first position and acts as a collection container in a second position. Thus, during maintenance, a technician can himself determine in which position he arranges the thermal insulation and accordingly when he uses the thermal insulation as a collection container. Accordingly, maintenance can be carried out flexibly as required.
Besonders vorteilhaft ist es, wenn die thermische Isolierung, vorzugsweise in der ersten Position, formschlüssig am Wärmeübertrager angeordnet ist und/oder den Wärmeübertrager zumindest teilweise formschlüssig umgibt. Dadurch wird eine besonders gute thermische Abschirmung erreicht. It is particularly advantageous if the thermal insulation, preferably in the first position, is arranged in a form-fitting manner on the heat exchanger and/or surrounds the heat exchanger at least partially in a form-fitting manner. This achieves particularly good thermal shielding.
Besonders vorteilhaft ist es auch, wenn die thermische Isolierung, vorzugsweise in der zweiten Position, zumindest im Wesentlichen unterhalb des Wärmeübertragers angeordnet ist. Dadurch kann ein aus dem Wärmeübertrager austretendes Medium durch die thermische Isolierung als Auffangbehälter besonders gut aufgefangen werden. It is also particularly advantageous if the thermal insulation, preferably in the second position, is arranged at least essentially below the heat exchanger. As a result, a medium escaping from the heat exchanger can be collected particularly well by the thermal insulation as a collection container.
Besonders vorteilhaft ist es auch, wenn die thermische Isolierung wannenartig ausgebildet ist. Dadurch wird eine besonders gute Isolierung und zugleich ein besonders gutes Auffangen von aus dem Wärmeübertrager austretenden Mediums ermöglicht. It is also particularly advantageous if the thermal insulation is designed like a trough. This enables particularly good insulation and, at the same time, particularly good collection of medium escaping from the heat exchanger.
Auch ist es vorteilhaft, wenn die thermische Isolierung zumindest teilweise aus einem schaumartigen Material, vorzugsweise aus expandiertem Polypropylen, ausgebildet ist. Dadurch können die Herstellungskosten geringgehalten werden. It is also advantageous if the thermal insulation is at least partially made of a foam-like material, preferably made of expanded polypropylene. As a result, the manufacturing costs can be kept low.
Zeichnungen In den Zeichnungen ist ein Ausführungsbeispiel der Erfindung schematisch dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen drawings In the drawings, an embodiment of the invention is shown schematically and explained in more detail in the following description. Show it
Fig. 1 eine schematische Darstellung eines Ausführungsbeispiels eines Heizsystems, 1 shows a schematic representation of an exemplary embodiment of a heating system,
Fig. 2 eine weitere schematische Darstellung des Ausführungsbeispiels des Heizsystems aus Fig. 1, FIG. 2 shows a further schematic representation of the exemplary embodiment of the heating system from FIG. 1,
Fig. 3 eine perspektivische Darstellung eines Ausführungsbeispiels einer Heizvorrichtung aus Fig. 1, Fig. 3 shows a perspective view of an embodiment of a heating device from Fig. 1,
Fig. 4 eine weitere perspektivische Darstellung des Ausführungsbeispiels der Heizvorrichtung aus Fig. 3. FIG. 4 shows a further perspective illustration of the exemplary embodiment of the heating device from FIG. 3.
Beschreibung der Ausführungsbeispiele Description of the exemplary embodiments
In Fig. 1 ist eine schematische Darstellung eines Ausführungsbeispiels eines Heizsystems 100 gezeigt. Das Heizsystem umfasst eine Heizvorrichtung 10, welche dazu vorgesehen ist Heizwasser für einen Heizkreis 12 und/oder Brauchwasser für einen Verbraucher 14 zu erwärmen. 1 shows a schematic representation of an exemplary embodiment of a heating system 100 . The heating system includes a heating device 10 which is intended to heat heating water for a heating circuit 12 and/or service water for a consumer 14 .
In dem gezeigten Ausführungsbeispiel weist die Heizvorrichtung 10 eine Wärmezelle 16 mit einer Brennereinheit 18 auf, welche dazu vorgesehen ist Heizwasser für den Heizkreis 12 durch Verbrennung eines Brennstoffs, wie beispielsweise Erdgas, zu erwärmen. In the exemplary embodiment shown, the heating device 10 has a heating cell 16 with a burner unit 18 which is intended to heat heating water for the heating circuit 12 by burning a fuel such as natural gas.
Weiter weist die Heizvorrichtung 10 einen Wärmeübertrager 20 auf welcher dazu vorgesehen ist Wärme von einem ersten Medium, im vorliegenden Fall vom Heizwasser, auf ein zweites Medium, im vorliegenden Fall auf das Brauchwasser, zu übertragen. In dem gezeigten Fall handelt es sich bei dem Wärmeübertrager 20 um einen Plattenwärmeübertrager 21. Furthermore, the heating device 10 has a heat exchanger 20 which is intended to transfer heat from a first medium, in the present case the heating water, to a second medium, in the present case the service water. In the case shown, the heat exchanger 20 is a plate heat exchanger 21.
In dem gezeigten Ausführungsbeispiel ist der Wärmeübertrager 20 dazu vorgesehen Wärme eines Fremdwärmeerzeugers 22 zur Erwärmung des Brauchwassers mit einzubinden. Im gezeigten Fall handelt es sich bei dem Fremdwärmeerzeuger 22 um eine Solareinheit 24 die über einen Pufferspeicher 26 mit der Heizvorrichtung 10 thermisch gekoppelt ist. So kann durch die Solareinheit 24 aufgefangene Wärme, über entsprechende mit einem Spiralwärmetauscher 28 gekoppelte Leitungen 30, 32, auf ein im Pufferspeicher 26 befindliches Medium, im vorliegenden Fall Heizwasser, übertragen werden. Dieses Heizwasser aus dem Pufferspeicher 26 kann dann wiederum über weitere entsprechende Leitungen 34, 36 und Drei-Wege-Ventile 38, 40 der Brennereinheit 18 zur Erwärmung desselben Heizwassers und/oder dem Wärmeübertrager 20 zur Erwärmung des Brauchwassers zugeführt werden. In the exemplary embodiment shown, the heat exchanger 20 is provided to incorporate heat from an external heat generator 22 for heating the service water. In the case shown, the external heat generator 22 is a solar unit 24 which is thermally coupled to the heating device 10 via a buffer memory 26 . Thus, by the solar unit 24 collected heat, with a corresponding Spiral heat exchanger 28 coupled lines 30, 32, are transferred to a medium located in the buffer memory 26, in this case heating water. This heating water from the buffer tank 26 can then in turn be fed via further corresponding lines 34, 36 and three-way valves 38, 40 to the burner unit 18 for heating the same heating water and/or the heat exchanger 20 for heating the service water.
Wird das Heizwasser der Brennereinheit 18 zugeführt, so wird es mittels dieser Erwärmt und anschließend direkt dem Heizkreis 12 zugeführt. Wird das Heizwasser dem Wärmeübertrager 20 zugeführt, so wird mittels diesem Wärme vom Heizwasser auf das Brauchwasser übertragen. Im gezeigten Fall wird dem Wärmeübertrager 20, im vorliegenden Fall mittels weiteren entsprechenden Leitungen 42, 44, das Brauchwasser aus einem Schichtspeicher 46 zugeführt. If the heating water is fed to the burner unit 18, it is heated by means of this and then fed directly to the heating circuit 12. If the heating water is fed to the heat exchanger 20, heat is transferred from the heating water to the service water by means of this heat exchanger. In the case shown, the process water from a stratified storage tank 46 is supplied to the heat exchanger 20, in the present case by means of further corresponding lines 42, 44.
Um die verschiedenen Medienströme, insbesondere zwischen der Solareinheit 24 und dem Pufferspeicher, sowie innerhalb der Heizvorrichtung 10 zu ermöglichen, sind an den entsprechenden Stellen Förderpumpen 48 angeordnet. In order to enable the different media flows, in particular between the solar unit 24 and the buffer store, and within the heating device 10, feed pumps 48 are arranged at the appropriate points.
Die Heizvorrichtung 10 zeichnet sich nun durch eine thermische Isolierung 50 aus, welche dazu vorgesehen ist den Wärmeübertrager 20, bzw. das in dem Wärmeübertrager 20 befindliche erste Medium und/oder zweite Medium, im vorliegenden Fall das Heizwasser und das Brauchwasser, zumindest teilweise thermisch, im gezeigten Fall bevorzugt gegenüber der Wärmezelle 16, zu isolieren, und welche zugleich als Auffangbehälter 52 für das bei einer Wartung aus dem Wärmeübertrager 20 austretende erste Medium und/oder zweite Medium, im vorliegenden Fall für das bei einer Wartung aus dem Wärmeübertrager austretende Heizwasser und/oder Brauchwasser, ausgebildet ist. Dadurch kann eine Wartung durch einen Techniker einfacher und sauberer erfolgen. Insbesondere muss der Techniker nach beenden der Wartung das ausgelaufene Heizwasser und/oder Brauchwasser nicht aufwischen. Darüber hinaus werden die Umliegenden Funktionseinheiten und/oder Komponenten vor dem auslaufenden Heizwasser und/oder Brauchwasser geschützt. The heating device 10 is now characterized by a thermal insulation 50, which is provided for the heat exchanger 20, or the first medium and/or second medium located in the heat exchanger 20, in the present case the heating water and the service water, at least partially thermally, in the case shown preferably to insulate against the heat cell 16, and which at the same time as a collecting container 52 for the first medium and/or second medium exiting from the heat exchanger 20 during maintenance, in the present case for the heating water exiting from the heat exchanger during maintenance and / or domestic water, is formed. This makes maintenance by a technician easier and cleaner. In particular, the technician does not have to wipe up the spilled heating water and/or service water after completing the maintenance. In addition, the surrounding functional units and/or components are protected from leaking heating water and/or service water.
In dem gezeigten Ausführungsbeispiel ist die thermische Isolierung 50 derart ausgebildet, dass sie in einer ersten Position den Wärmeübertrager 20 zumindest teilweise thermisch isoliert und in einer zweiten Position als Auffangbehälter 52 fungiert. So kann ein Techniker bei einer Wartung selbst bestimmten in welche Position er die thermische Isolierung 50 anordnet und entsprechend wann er die thermische Isolierung 50 als Auffangbehälter 52 verwendet. Eine Wartung kann dadurch je nach Bedarf flexibel erfolgen. In the exemplary embodiment shown, the thermal insulation 50 is designed in such a way that in a first position it at least partially thermally insulates the heat exchanger 20 and in a second position it functions as a collection container 52 . In this way, a technician can determine for himself in which position he should place the thermal insulation 50 arranges and accordingly when he uses the thermal insulation 50 as a collection container 52. This means that maintenance can be carried out flexibly as required.
Entsprechend ist in Fig. 1 und Fig. 3 jeweils eine Darstellung des Ausführungsbeispiels mit der thermischen Isolierung 50 in der ersten Position und in Fig. 2 und Fig. 4 jeweils eine Darstellung des Ausführungsbeispiels mit der thermischen Isolierung 50 in der zweiten Position gezeigt. Correspondingly, FIGS. 1 and 3 each show a representation of the exemplary embodiment with the thermal insulation 50 in the first position, and FIGS. 2 and 4 each show a representation of the exemplary embodiment with the thermal insulation 50 in the second position.
In der ersten Position gemäß dem in Fig. 1 und Fig. 3 gezeigten Ausführungsbeispiel ist die thermische Isolierung 50 formschlüssig am Wärmeübertrager 20 angeordnet, bzw. umgibt den Wärmeübertrager 20 zumindest teilweise formschlüssig. In dem gezeigten Fall isoliert die thermische Isolierung 50 den Wärmeübertrager 20 zu einer Seite, an der die Leitungen 42, 44 am Wärmeübertrager 20 angeschlossen sind, hin nicht. Zu den übrigen Seiten hin isoliert die thermische Isolierung 50 den Wärmeübertrager 20 jedoch. Dadurch wird eine besonders gute thermische Abschirmung, insbesondere gegenüber der Wärmezelle 16, erreicht. In the first position according to the exemplary embodiment shown in FIGS. 1 and 3 , the thermal insulation 50 is arranged in a form-fitting manner on the heat exchanger 20 or surrounds the heat exchanger 20 at least partially in a form-fitting manner. In the case shown, the thermal insulation 50 does not insulate the heat exchanger 20 on the side on which the lines 42, 44 are connected to the heat exchanger 20. However, the thermal insulation 50 insulates the heat exchanger 20 towards the other sides. As a result, particularly good thermal shielding, in particular from the heat cell 16, is achieved.
In der zweiten Position gemäß dem in Fig. 2 und Fig. 4 gezeigten Ausführungsbeispiel ist die thermische Isolierung 50 als Auffangbehälter 52 unterhalb des Wärmeübertragers 20 angeordnet. In dem gezeigten Fall ist die thermische Isolierung 50 als Auffangbehälter 52 derart unterhalb des Wärmeübertragers angeordnet, dass sich die Seite des Wärmeübertragers 20, an der die Leitungen 42, 44 am Wärmeübertrager 20 angeschlossen sind, oberhalb der thermischen Isolierung 50, bzw. des Auffangbehälters 52, befindet. Dadurch kann Heizwasser und/oder Brauchwasser, welches, beim Lösen der Leitungen 42, 44 vom Wärmeübertrager 20, aus dem Wärmeübertrager 20 und/oder aus den Leitungen 42, 44 austritt, in der thermischen Isolierung 50, bzw. dem Auffangbehälter 52, aufgefangen werden. So kann ein aus dem Wärmeübertrager 20 austretendes Medium durch die thermische Isolierung 50 als Auffangbehälter 52 besonders gut aufgefangen werden. In the second position according to the exemplary embodiment shown in FIGS. 2 and 4 , the thermal insulation 50 is arranged as a collection container 52 below the heat exchanger 20 . In the case shown, the thermal insulation 50 is arranged as a collection container 52 below the heat exchanger in such a way that the side of the heat exchanger 20 on which the lines 42, 44 are connected to the heat exchanger 20 is above the thermal insulation 50 or the collection container 52 , located. As a result, heating water and/or service water which escapes from the heat exchanger 20 when the lines 42, 44 are detached from the heat exchanger 20 and/or from the lines 42, 44 can be collected in the thermal insulation 50 or the collection container 52 . A medium escaping from the heat exchanger 20 can thus be collected particularly well by the thermal insulation 50 as a collection container 52 .
In dem gezeigten Ausführungsbeispiel ist die thermische Isolierung 50, bzw. der Auffangbehälter52, wannenartig ausgebildet. Dadurch kann der Wärmeübertrager 20 besonders großflächig, thermisch isoliert werden und zugleich kann die thermische Isolierung 50, bzw. der Auffangbehälter 52, ein aus dem Wärmeübertrager 50 austretenden Medium besonders gut auffangen. In the exemplary embodiment shown, the thermal insulation 50 or the collection container 52 is designed like a trough. As a result, the heat exchanger 20 can be thermally insulated over a particularly large area, and at the same time the thermal insulation 50 or the collection container 52 can collect a medium escaping from the heat exchanger 50 particularly well.
Darüber hinaus ist die thermische Isolierung 52, bzw. der Auffangbehälter 52, in dem gezeigten Ausführungsbeispiel aus einem schaumartigen Material, im gezeigten Fall aus expandiertem Polypropylen, ausgebildet. So wird eine kostengünstige Herstellung der thermischen Isolierung 50, bzw. des Auffangbehälters 50, ermöglicht. In addition, the thermal insulation 52, or the collection container 52, in the embodiment shown is made of a foam-like material, in the case shown expanded polypropylene. In this way, the thermal insulation 50 or the collection container 50 can be manufactured at low cost.

Claims

-7- Ansprüche -7- Claims
1. Heizvorrichtung (10) umfassend einen Wärmeübertrager (20), welcher dazu vorgesehen ist Wärme von einem ersten Medium auf ein zweites Medium zu übertragen, gekennzeichnet durch eine thermische Isolierung (50), welche dazu vorgesehen ist den Wärmeübertrager (20) zumindest teilweise thermisch zu isolieren, und welche zugleich als Auffangbehälter (52) für das bei einer Wartung aus dem Wärmeübertrager austretende erste Medium und/oder austretende zweite Medium ausgebildet ist. 1. A heating device (10) comprising a heat exchanger (20) which is intended to transfer heat from a first medium to a second medium, characterized by thermal insulation (50) which is intended to at least partially thermally insulate the heat exchanger (20). to insulate, and which is also designed as a collecting container (52) for the first medium and/or the second medium emerging from the heat exchanger during maintenance.
2. Heizvorrichtung (10) nach Anspruch 1, dadurch gekennzeichnet, dass es sich bei dem Wärmeübertrager (20) um einen Plattenwärmeübertrager (21) handelt. 2. Heating device (10) according to claim 1, characterized in that the heat exchanger (20) is a plate heat exchanger (21).
3. Heizvorrichtung (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es sich bei dem ersten Medium um Heizwasser, vorzugsweise aus einem Pufferspeicher (26) und/oder einem Fremdwärmeerzeuger (22), handelt. 3. Heating device (10) according to one of the preceding claims, characterized in that the first medium is heating water, preferably from a buffer storage tank (26) and/or an external heat generator (22).
4. Heizvorrichtung (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es sich bei dem zweiten Medium um Brauchwasser, vorzugsweise aus einem Schichtspeicher (46), handelt. 4. Heating device (10) according to one of the preceding claims, characterized in that the second medium is process water, preferably from a stratified storage tank (46).
5. Heizvorrichtung (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die thermische Isolierung (50) in einer ersten Position den Wärmeübertrager (20) zumindest teilweise thermisch isoliert und in einer zweiten Position als Auffangbehälter (52) fungiert. 5. Heating device (10) according to one of the preceding claims, characterized in that the thermal insulation (50) in a first position at least partially thermally insulates the heat exchanger (20) and in a second position acts as a collection container (52).
6. Heizvorrichtung (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die thermische Isolierung (50), vorzugsweise in der ersten Position, formschlüssig am Wärmeübertrager (20) angeordnet ist und/oder den Wärmeübertrager (20) zumindest teilweise formschlüssig umgibt. -8- Heizvorrichtung (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die thermische Isolierung (50), vorzugsweise in der zweiten Position, zumindest im Wesentlichen unterhalb des Wärmeübertragers (20) angeordnet ist. Heizvorrichtung (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die thermische Isolierung (50) wannenartig ausgebildet ist. Heizvorrichtung (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die thermische Isolierung (50) zumindest teilweise aus einem schaumartigen Material, vorzugsweise aus expandiertem Polypropylen, ausgebildet ist. Heizsystem (100), umfassend eine Heizvorrichtung (10) nach einem der vorhergehenden Ansprüche und einen Fremdwärmeerzeuger (22) und/oder einen Pufferspeicher (26). 6. Heating device (10) according to one of the preceding claims, characterized in that the thermal insulation (50), preferably in the first position, is arranged in a form-fitting manner on the heat exchanger (20) and/or at least partially surrounds the heat exchanger (20) in a form-fitting manner. -8- Heating device (10) according to one of the preceding claims, characterized in that the thermal insulation (50), preferably in the second position, is arranged at least essentially below the heat exchanger (20). Heating device (10) according to one of the preceding claims, characterized in that the thermal insulation (50) is constructed like a trough. Heating device (10) according to one of the preceding claims, characterized in that the thermal insulation (50) is formed at least partially from a foam-like material, preferably from expanded polypropylene. Heating system (100), comprising a heating device (10) according to one of the preceding claims and an external heat generator (22) and/or a buffer storage (26).
PCT/EP2022/076463 2021-09-17 2022-09-23 Heating device with thermal insulation as a collecting container, and heating system with such a heating device WO2023041810A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339829A (en) * 1998-06-30 2000-02-09 Martin Howie Leak control
WO2010137987A2 (en) * 2009-05-29 2010-12-02 Braathen Thor F A water heater, a combination of a top cover and p bottom tray for a water heater, and a bottom cover for a water heater, for preventing water damage
DE102015216691A1 (en) * 2015-03-09 2016-09-15 Robert Bosch Gmbh Heat exchanger
EP3358279A1 (en) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Water heat exchanger accommodation unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339829A (en) * 1998-06-30 2000-02-09 Martin Howie Leak control
WO2010137987A2 (en) * 2009-05-29 2010-12-02 Braathen Thor F A water heater, a combination of a top cover and p bottom tray for a water heater, and a bottom cover for a water heater, for preventing water damage
DE102015216691A1 (en) * 2015-03-09 2016-09-15 Robert Bosch Gmbh Heat exchanger
EP3358279A1 (en) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Water heat exchanger accommodation unit

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