EP3285020A2 - Appareil de chauffage - Google Patents

Appareil de chauffage Download PDF

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Publication number
EP3285020A2
EP3285020A2 EP17185304.7A EP17185304A EP3285020A2 EP 3285020 A2 EP3285020 A2 EP 3285020A2 EP 17185304 A EP17185304 A EP 17185304A EP 3285020 A2 EP3285020 A2 EP 3285020A2
Authority
EP
European Patent Office
Prior art keywords
housing
heater
fan
connection
connection element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17185304.7A
Other languages
German (de)
English (en)
Other versions
EP3285020A3 (fr
EP3285020B1 (fr
Inventor
Jochen Wriske
Didier Bodet
Henri Lami
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.)
Vaillant GmbH
Original Assignee
Vaillant GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE102017102100.0A external-priority patent/DE102017102100A1/de
Application filed by Vaillant GmbH filed Critical Vaillant GmbH
Publication of EP3285020A2 publication Critical patent/EP3285020A2/fr
Publication of EP3285020A3 publication Critical patent/EP3285020A3/fr
Application granted granted Critical
Publication of EP3285020B1 publication Critical patent/EP3285020B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/04—Joints; Connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L5/00—Blast-producing apparatus before the fire
    • F23L5/02—Arrangements of fans or blowers
    • 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
    • F24H9/0026—Guiding means in combustion gas channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2211/00—Flue gas duct systems
    • F23J2211/10—Balanced flues (combining air supply and flue gas exhaust)
    • F23J2211/101—Balanced flues (combining air supply and flue gas exhaust) with coaxial duct arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/20—Joints; Connections
    • F23J2213/203—Joints; Connections between stack/duct and combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled

Definitions

  • the invention relates to a heater for heating a heat transfer medium for heating a building or for providing hot water based on the combustion of a fuel.
  • the fresh air is usually supplied via a pipe through which the fresh air from the environment into the building and then into the housing of the heater is performed.
  • air-exhaust systems are used, in which the exhaust pipe is arranged concentrically within the fresh air pipe.
  • generic heaters at the top of the housing on a corresponding connection element for connection of the air-exhaust system are used.
  • the known from the prior art heater has the disadvantage that the fan occupies space as a separate component space and in the production requires a separate assembly step.
  • connection element for connecting the line for supplying combustion air must be provided on the heater housing.
  • connection element according to the invention simultaneously forms at least a part of the fan housing. This has the advantage that costs for the blower housing can be saved because a component fulfills several functions. Another advantage is that the unit of connection element and blower can be easily pre-assembled outside the housing to form an assembly and used together in the housing. In addition, space is saved because the fan is placed so particularly space-saving.
  • the fan is a radial fan and the connecting element has a flat surface which forms the side wall of the fan and is arranged orthogonally to the axis of rotation of the fan wheel.
  • the heater preferably the assembly, a connection that connects the suction side of the fan with the interior.
  • the known from the prior art advantageous formation of a negative pressure within the housing can be easily ensured.
  • all of the combustion air is directed through the heater housing.
  • the suction opening of the fan to the interior of the heater housing.
  • FIG. 1 represents a heater according to the invention. Material flows are shown as dashed arrows.
  • the heater is enclosed by a housing 6 and includes a burner 1 and a heat exchanger 2 for transferring the heat generated by the burner to a heat transfer medium, which is passed through a heat transfer medium circuit 18 by means of a pump 19 through the heat exchanger 2 and a heat sink outside the Heating device supplied with heat.
  • Burner 1 and heat exchanger 2 are arranged in a combustion chamber 20.
  • the exhaust gases flow via an exhaust gas guide 13 and a connectable external exhaust pipe 21 from the combustion chamber 20 into the environment.
  • Combustion air can be supplied via an external intake line 9, which can be arranged coaxially around the exhaust gas line 21 in the form of an air-exhaust system.
  • a connection element 7 is arranged on the upper side of the heater housing 6.
  • the connection element 7 comprises a pipe stub 8, to which the external intake pipe 9 can be connected, a cavity 14 for guiding the combustion air and a surface element 17 and optionally the exhaust gas guide 13.
  • Below the connection element 7, a blower 3 is arranged, which together with the connection element 7 forms an assembly.
  • the blower 3 includes a blower motor 22, a fan 4, and a blower housing 5.
  • the blower housing is formed of a part 11 that is identical to the face member 17 of the terminal 7 and the bottom 10 of the blower housing.
  • the surface element 17 is both functional 11 part of Blower 3 as well as functional part of the connection element 7. This saves costs, installation costs and space.
  • a radial blower whose side wall is the surface element 17, is shown. Through a cavity 14, which is optionally limited inter alia by the surface element 17, the combustion air from the pipe socket 8 via the opening 12 to the fan 4 of the blower 3 is guided.
  • other types of blower can share a part of the housing with the connection element 7.
  • connection element 7 has a connection 16, which pneumatically connects the suction side of the blower 3 to the interior of the heater housing 6, so that a negative pressure is generated in the heater housing 6 during operation.
  • connection 16 may also be provided elsewhere, for example on the underside 10 of the blower housing, as long as a pneumatic connection between the negative pressure side of the blower 3 and the interior of the heater housing 6 is established.
  • second connection 24 can also be provided here, which is arranged such that a pressure difference prevails between the second connection 24 and the connection 16 during operation so that during operation a combustion air flow continuously flows through the interior of the housing 6 and continuously flushes.
  • a gas mixing device 15 is provided, which mixes the combustion air supplied via a gas supply 23 fuel gas and the burner 1 for combustion.
  • FIG. 2 is contrary to FIG. 1 the opening 12 directed toward the inside of the heater housing 6, so that the combustion air is passed through the heater housing 6 instead of through a cavity 14, which is not present here, and this is subjected to negative pressure and rinsed continuously.
  • FIG. 3 shows in contrast to FIG. 1 a variant in which the connecting element 7 is formed in two parts.
  • the connection element 7 consists of a housing part 25, which forms the upper side of the heater housing and extends in this example over the entire width of the housing.
  • a connection part 26, which comprises the pipe socket 8, is connected to the housing part 25 in such a way that both parts together form the connection element 7.
  • FIG. 4 shows a further embodiment. Unlike the in FIG. 3 illustrated embodiment, the heater housing 6 on a top 27, which is broken for the implementation of the exhaust and air supply lines.
  • the connecting element 7 is arranged below the upper side 27, so that the cavity 14 is formed between the upper side 27 and the connecting element 7.
  • the exhaust pipe 21 is connected by means of the exhaust gas guide 13 on the connection element 7.
  • the suction line 9, however, is indirectly connected via the upper side 27 with the connection element 7.
  • the blower housing 5 of the blower 3 is again formed in part 11 by the connection element 7. In operation, the supply air from the intake pipe 9 is first passed into the cavity 14 and sucked from there by means of the blower 3 and the gas mixing device 15 is supplied.
  • the interior of the housing 6 is flushed with supply air.
  • an opening 16 is provided behind the blower 3, can get through the supply air into the blower.
  • the cavity 14 is also pneumatically connected to the interior in the lower region of the housing 6, so that the interior is continuously flushed with supply air.
  • the opening 24 can also end in the upper region of the housing. In this case, optionally, the opening 16 in the lower region of the housing end.
  • each in the FIGS. 1 to 4 illustrated embodiment and arrangement of the openings 16, 24 are combined with each of the embodiment variant of the connecting element 7 shown in the figures.
  • the openings 16 or 24 can be designed individually or omitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
EP17185304.7A 2016-08-18 2017-08-08 Appareil de chauffage Active EP3285020B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016215475 2016-08-18
DE102017102100.0A DE102017102100A1 (de) 2016-08-18 2017-02-03 Heizgerät

Publications (3)

Publication Number Publication Date
EP3285020A2 true EP3285020A2 (fr) 2018-02-21
EP3285020A3 EP3285020A3 (fr) 2018-02-28
EP3285020B1 EP3285020B1 (fr) 2020-07-22

Family

ID=59579428

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17185304.7A Active EP3285020B1 (fr) 2016-08-18 2017-08-08 Appareil de chauffage

Country Status (1)

Country Link
EP (1) EP3285020B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100028832A1 (it) * 2021-11-12 2023-05-12 Riello Spa Una caldaia a condensazione con un gruppo cielo perfezionato per la connessione con condotti di scarico gas combusti e di alimentazione di aria comburente

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4303579B4 (de) 1992-02-07 2005-06-16 Vaillant Gmbh Heizgerät

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643797A1 (de) * 1986-12-20 1988-06-23 Walter Dreizler Atmosphaerisches gasheizgeraet mit externer abgasrueckfuehrung zur no(pfeil abwaerts)x(pfeil abwaerts)-reduzierung
FR2814797B1 (fr) * 2000-09-29 2003-10-10 Leblanc Sa E L M Perfectionnements apportes aux appareils de chauffage tels que les chaudieres murales a ventouse

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4303579B4 (de) 1992-02-07 2005-06-16 Vaillant Gmbh Heizgerät

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100028832A1 (it) * 2021-11-12 2023-05-12 Riello Spa Una caldaia a condensazione con un gruppo cielo perfezionato per la connessione con condotti di scarico gas combusti e di alimentazione di aria comburente
EP4180717A1 (fr) * 2021-11-12 2023-05-17 Riello S.p.A. Chaudière à condensation avec ensemble de toit amélioré pour la connexion avec des conduits d'évacuation de gaz de combustion et d'alimentation en air de combustion

Also Published As

Publication number Publication date
EP3285020A3 (fr) 2018-02-28
EP3285020B1 (fr) 2020-07-22

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