EP3361181B1 - Chaudière - Google Patents

Chaudière Download PDF

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Publication number
EP3361181B1
EP3361181B1 EP18155921.2A EP18155921A EP3361181B1 EP 3361181 B1 EP3361181 B1 EP 3361181B1 EP 18155921 A EP18155921 A EP 18155921A EP 3361181 B1 EP3361181 B1 EP 3361181B1
Authority
EP
European Patent Office
Prior art keywords
boiler
flow
heating circuit
connection
flow connection
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.)
Active
Application number
EP18155921.2A
Other languages
German (de)
English (en)
Other versions
EP3361181A1 (fr
Inventor
Thomas Pesendorfer
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.)
Viessmann Climate Solutions SE
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Viessmann Climate Solutions SE
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Filing date
Publication date
Application filed by Viessmann Climate Solutions SE filed Critical Viessmann Climate Solutions SE
Publication of EP3361181A1 publication Critical patent/EP3361181A1/fr
Application granted granted Critical
Publication of EP3361181B1 publication Critical patent/EP3361181B1/fr
Active legal-status Critical Current
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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
    • 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
    • F24H9/12—Arrangements for connecting heaters to circulation pipes

Definitions

  • the invention relates to a heating boiler according to the preamble of patent claim 1.
  • a boiler of the type mentioned is from the document DE 44 15 028 A1 known.
  • This boiler consists of a boiler room through which a heating circuit medium flows, which has a return connection for supplying the heating circuit medium to the boiler room and both a flow connection and an additional flow connection for removing the heating circuit medium from the boiler room, with the return flow connection in an opening arranged in the boiler room and an opening to the boiler room having flow guidance is designed to open out, with a device for adjusting a flow rate of heating circuit medium flowing through the flow connection and/or via the opening through the additional flow connection is provided, with the flow connection and the additional flow connection being designed to open out into a common main flow connection.
  • the object of the invention is to improve a heating boiler of the type mentioned at the outset.
  • one should effective and cost-effective construction for controlling the (total) flow temperature independently of the boiler temperature can be created.
  • the flow guide is tubular and the heating circuit medium, apart from the heating circuit medium flowing out at the opening, is insulated from the heating circuit medium and leads into the boiler room and opens out into the flow connection.
  • the heating boiler according to the invention is characterized by the fact that with the help of this special flow guidance construction it is possible in a simple manner to guide the relatively cool heating circuit medium arriving at the return connection from the heating circuit equipped with a heating circuit pump through the boiler room to the flow connection with practically no thermal influence . Since hotter heating circuit medium coming directly from the boiler room is also available via the additional flow connection, the temperature of the heating circuit medium at a common outlet or at a central main flow connection of the boiler, in the flow connection on the one hand and the additional flow connection on the other hand can be set exactly. The tighter the flow connection is closed, the more heating circuit medium will flow through the opening mentioned above brought into the boiler room and the hotter the heating circuit medium will then be at the common outlet mentioned above.
  • the requirement that an opening is provided on the flow guide means that at least one opening is provided. It is particularly preferred, however, to provide a plurality of openings through which comparatively cold heating circuit medium coming from the return connection can flow into the boiler room. Whether a lot or little heating circuit medium flows from the return connection into the boiler room is, as already explained, determined by the device.
  • the heating boiler according to the invention which - which is not shown separately - is preferably designed as a biomass boiler, in particular a pellet boiler, or also as a condensing boiler, consists initially in a known manner of a boiler room 1 through which a heating circuit medium (in particular water) flows, the one Return connection 2 for supplying the heating circuit medium to the boiler room 1 and both a flow connection 3 and an additional flow connection 4 for removing the heating circuit medium from the boiler room 1, the return connection 2 opening into a flow guide 5 arranged in the boiler room 1 and having an opening 5.1 to the boiler room 1 is trained.
  • a heating circuit medium in particular water
  • the boiler room 1 is designed to at least partially enclose a combustion chamber 8 .
  • the combustion chamber 8 is completely surrounded by the boiler chamber 1, with the boiler chamber 1 having at least one outer wall 1.1 that delimits a volume that is sealed off in a fluid-tight manner.
  • the flow guide 5 is designed to open out into the flow connection 3 (i.e. - apart from the opening 5.1 - connected in a fluid-tight manner) and a device 6 for setting a flow rate that optionally flows through the flow connection 3 and/or via the opening 5.1 through the additional flow connection 4 Flow amount of heating medium is provided.
  • the flow guide 5 it is particularly preferable for the flow guide 5 to have not just one but several openings 5.1 (e.g. in the form of round holes) so that the heating circuit medium coming from the return connection 2 can flow into the boiler room 1 as evenly as possible.
  • the openings 5.1 are furthermore particularly preferably all formed on the same side of the flow guide 5.
  • the opening 5.1 or openings 5.1 are in the direction of the outer wall 1.1 of the boiler room 1, on the preferably also the flow connection 3 and the additional flow connection 3 are arranged pointing.
  • the flow guide 5 is tubular 15 in order to guide the heating circuit medium isolated from the heating circuit medium in the boiler room 1 apart from the outflowing heating circuit medium at the above-mentioned openings 5.1.
  • the flow guide 5 is optionally arranged adjacent and predominantly along an outer wall 1.1 of the boiler chamber 1 and/or between the outer wall 1.1 and the combustion chamber 8.
  • the flow guide 5 is designed in one piece between the return connection 2 and the flow connection 3, ie heating circuit medium can only leave the flow guide 5 via the opening 5.1 or openings 5.1 or via the flow connection 3.
  • the flow connection 3 and the additional flow connection 4 are designed to open out into a common main flow connection 7 , which is arranged here outside of the boiler room 1 .
  • the flow connection 3 and the additional flow connection 4 are arranged at the same height on the boiler room 1 .
  • These two connections 3, 4, but preferably also the device 6 for setting the respective amount of heating circuit medium, are then positioned completely within the boiler room 1.
  • hot heating circuit medium is thus mixed in via the additional flow connection 4 according to the setting of the device 6 at the main flow connection 7, with the heating circuit medium being fed into the boiler room 1 via the opening 5.1 or openings 5.1 and heated there.
  • the openings 5.1 are arranged at a distance from the additional flow connection 4 in order to avoid a hydraulic short circuit.
  • this is optionally designed as a valve that is preferably continuously adjustable with regard to its flow rate and/or can be actuated by means of a heating control.
  • the device 6 is optionally arranged on the flow connection 3 and/or between the flow guide 5 and the main flow connection 7 .
  • the boiler according to the invention works as follows: The starting point for the following explanation is that the device 6 or the valve is closed, ie an outflow of heating circuit medium via the flow connection 3 to the main flow connection 7 is completely prevented. As a result, the heating circuit medium returned to the boiler via the return connection 2 must flow into the boiler room 1 via the openings 5.1. This in turn means that the heating circuit medium introduced into the boiler room 1 is heated by the heat-emitting combustion chamber 8 . In addition, for reasons of continuity, since the flow connection 3 is closed, the amount of heating circuit medium that was fed to the boiler room 1 via the return flow connection 2 must be discharged via the additional flow connection 4, which also means that the heating circuit medium arriving at the main flow connection 7 is maximal is heated.
  • the heating circuit medium can enter the boiler room 1 via the openings 5.1, provided that the flow resistance of the flow guide 5 between the return connection 2 and the flow connection 3 is sufficiently low to stream. Rather, it can flow practically unhindered from the return connection 2 via the flow guide 5 to the flow connection 3 and from there to the main flow connection 7 connected to a heating circuit with a heating circuit pump (not shown separately because it is generally known). Since the heating circuit medium thereby from the flow guide 5 is shielded from the boiler room 1, it is heated only slightly, if at all, i.e. the temperature of the heating circuit medium at the main flow connection 7 roughly corresponds to the temperature of the heating circuit medium at the return flow connection 2.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Claims (9)

  1. Chaudière de chauffage, comprenant un compartiment de chaudière (1) traversée par un milieu de circuit de chauffage, qui comporte un raccord de retour (2) pour diriger le milieu de circuit de chauffage vers le compartiment de chaudière (1) et également un raccord d'entrée (3) ainsi qu'un raccord d'entrée supplémentaire (4) pour l'évacuation du milieu de circuit de chauffage de la compartiment de chaudière (1), sachant que le raccord de retour (2) est constitué débouchant dans un conduit d'écoulement (5) disposé dans le compartiment de chaudière (1) et comportant une ouverture (5.1) vers le compartiment de chaudière (1), sachant qu'un dispositif (6) destiné au réglage d'une quantité d'entrée en milieu de circuit de chauffage s'écoulant selon nécessité à travers le raccord d'entrée (3) et/ou par l'ouverture (5.1) à travers le raccord d'entrée supplémentaire (4) est prévu, sachant que le raccord d'entrée (3) et le raccord d'entrée supplémentaire (4) sont constitués débouchant dans un raccord d'entrée principal commun (7),
    caractérisée en ce que
    le conduit d'écoulement (5) est constitué de forme tubulaire et menant le milieu de circuit de chauffage en faisant abstraction du milieu de circuit de chauffage s'écoulant à l'ouverture (5.1) isolée du milieu de circuit de chauffage dans la compartiment de chaudière (1) et débouchant dans le raccord d'entrée (3).
  2. Chaudière selon la revendication 1,
    caractérisée en ce que
    le conduit d'écoulement (5) comporte plusieurs ouvertures (5.1).
  3. Chaudière selon la revendication 2,
    caractérisée en ce que
    les ouvertures (5.1) sont toutes constituées sur le même côté du conduit d'écoulement (5).
  4. Chaudière selon l'une quelconque des revendications 1 à 3, sachant que le compartiment de chaudière (1) comporte une paroi extérieure (1.1),
    caractérisée en ce que
    l'ouverture (5.1) est disposée sur le conduit d'écoulement (5) dirigée en direction de la paroi extérieure (1.1).
  5. Chaudière selon l'une quelconque des revendications 1 à 4,
    caractérisée en ce que
    le dispositif (6) est constitué sous la forme d'une soupape.
  6. Chaudière selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce que
    le dispositif (6) est situé sur le raccord d'entrée (3).
  7. Chaudière selon l'une quelconque des revendications 1 à 6,
    caractérisée en ce que
    le dispositif (6) est situé entre le conduit d'écoulement (5) et le raccord d'entrée principal (7).
  8. Chaudière selon l'une quelconque des revendications 1 à 7,
    caractérisée en ce que
    le conduit d'écoulement (5) est constitué en une pièce entre le raccord de retour (2) et le raccord d'entrée (3).
  9. Chaudière selon l'une quelconque des revendications 1 à 8,
    caractérisée en ce que
    le conduit d'écoulement (5) est disposé à proximité et surtout le long d'une paroi extérieure (1.1) du compartiment de chaudière (1).
EP18155921.2A 2017-02-13 2018-02-09 Chaudière Active EP3361181B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017102822.6A DE102017102822A1 (de) 2017-02-13 2017-02-13 Heizkessel

Publications (2)

Publication Number Publication Date
EP3361181A1 EP3361181A1 (fr) 2018-08-15
EP3361181B1 true EP3361181B1 (fr) 2022-10-05

Family

ID=61192707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18155921.2A Active EP3361181B1 (fr) 2017-02-13 2018-02-09 Chaudière

Country Status (2)

Country Link
EP (1) EP3361181B1 (fr)
DE (1) DE102017102822A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753065B4 (de) * 1997-11-29 2012-08-16 Wolf Gmbh Heizkessel mit thermohydraulischer Abkopplung für zwei Heizkreise

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4308759A1 (de) * 1993-03-19 1994-09-22 Froeling Kessel App Verfahren bzw. Heizkessel zum kombinierten Erwärmen einer Gebäudeheizung und eines Speicherbehälters für Brauchwasser
IT1273623B (it) * 1993-05-28 1997-07-08 Unical Ag Spa Generatore termico con combustione di biomassa
DE9318836U1 (de) 1993-12-08 1995-04-06 Metzner, Gerhard, Dipl.-Ing., 85579 Neubiberg Zentralheizungskessel für Öl-/Gasgebläsebrenner
DE4415028A1 (de) * 1994-04-29 1995-11-02 Broetje August Gmbh & Co Heizkessel mit Beimischeinrichtung
DE20107496U1 (de) 2001-05-02 2001-09-06 Buderus Heiztechnik Gmbh, 35576 Wetzlar Heizkessel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753065B4 (de) * 1997-11-29 2012-08-16 Wolf Gmbh Heizkessel mit thermohydraulischer Abkopplung für zwei Heizkreise

Also Published As

Publication number Publication date
EP3361181A1 (fr) 2018-08-15
DE102017102822A1 (de) 2018-08-16

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