EP2885542A1 - Gebläsevorrichtung mit integriertem krümmer für einen gasbrenner - Google Patents
Gebläsevorrichtung mit integriertem krümmer für einen gasbrennerInfo
- Publication number
- EP2885542A1 EP2885542A1 EP13739392.2A EP13739392A EP2885542A1 EP 2885542 A1 EP2885542 A1 EP 2885542A1 EP 13739392 A EP13739392 A EP 13739392A EP 2885542 A1 EP2885542 A1 EP 2885542A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- blower
- manifold
- blower device
- gas
- 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
Links
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 7
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 abstract description 3
- 230000000151 anti-reflux effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000006071 cream Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
- F23D14/36—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- 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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- 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
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/82—Preventing flashback or blowback
- F23D14/825—Preventing flashback or blowback using valves
-
- 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
Definitions
- the invention relates to a blower device for connection to a gas burner, which is designed as a premixing blower for gas and combustion air.
- Premixing blower devices are used inter alia in heating systems with gas burners for heating domestic hot water and / or heating water.
- Pre-mixing blowers are known from the prior art, at the outlet of which the mixed gas-air mixture is distributed over a manifold and thus supplied to the gas burner over a larger area.
- each component is defined, which is suitable, a promoted by the blower gas-air mixture to the gas burner via a relative to the
- the manifold is attached via a flange to the outlet of the blower device.
- Blower device is promoted a gas-air mixture, this connection is to form with a suitable gas for gasket seal and corresponding fasteners.
- the kummer thus connected to the blower housing must meet the requirements of tightness over its entire life and be tested for leaks before use. 5
- a multi-part design of the blower housing and manifold is thus not only erintensiv, but also consuming in the assembly and leak testing.
- blower device which is suitable for connection to a gas burner and adapted to premix a gas-air mixture before being supplied to the gas burner, wherein they a fan housing and integrally formed thereon, for connection to includes the gas burner provided manifold.
- the manifold can be integrated into the blower housing in an overall component.
- a sealed interface between fan housing and manifold, as is common in the art, can be
- Blower housing with the manifold over the life of the component ensures that in the transition region of blower housing and
- the blower housing is formed from a lower housing part and a housing cover, wherein the Manifold connects at least to the lower housing part.
- the lower housing part is the component of the blower device, which essentially forms the flow path for the conveyed air or in the flow direction after the gas inlet for the gas-air mixture. It is therefore favorable to integrate the gas feed into the blower base.
- a return flow protection is provided, which is formed sealingly and thus prevents the already promoted to the manifold gas-air mixture after a shutdown or Failure of the fan can flow back into the area of the blower housing. It is also excluded that in the case of an overpressure in the exhaust system exhaust gas back into the range of
- Blower housing arrives.
- the system of the blower housing is thus fluidly separated from the system of the manifold and the subsequent gas burner by the closed and sealed Ragströmschutz.
- the backflow protection is designed as a flap which can be opened on one side, which is opened or kept open during operation by the flow generated by the fan, and closes in a gravity-controlled manner when the fan is switched off.
- the flap is made of rubber or silicone.
- the transition region from the blower housing to the manifold of a preferred embodiment is designed such that the housing cover covers not only the blower housing but also parts of the manifold, but in any case the area in which the backflow preventer is located at the blower outlet.
- the manifold is provided in the area covered by the housing cover with a recess corresponding to the shape.
- the housing cover in which the housing cover extends into the region of the manifold, the housing cover is attached to the manifold and to the housing lower part.
- the flow pressure is reduced by the increased area in the area of the manifold, so that the sealing of the housing cover at the manifold is simplified.
- provision may also be made for the fan outlet or parts thereof to extend into the elbow with predetermined shaping for defined flow generation within the elbow.
- Blower housing built-in manifold made of die-cast aluminum.
- the tooling costs here are particularly low, since the blower device according to the invention is designed as a simple "open-close-housing".
- FIG. 1 shows a perspective view of the blower device with connected components
- FIG. 2 shows a perspective view of the fan device without
- FIGS. 1 and 2 only the features necessary for understanding the invention are shown schematically by way of example. Like reference numerals designate like parts.
- FIG. 1 shows the blower device 1 made of die-cast aluminum for connection to a gas burner 10 in a perspective illustration when installed.
- the motor for driving the blower is covered by a motor protection cap 9 is placed.
- a gas valve 11 is arranged, which is connected to the gas supply integrated into the blower lower part 4 6 (see Figure 2) and provides the gas supply.
- the fan housing 2 is formed from the lower housing part 4 and the housing cover 5, wherein the manifold 3 is integrally integrated in the illustrated embodiment in the lower housing part 4 of the blower housing 2.
- the manifold 3 is partially covered by the housing cover 5, wherein in the manifold 3 for this purpose a corresponding in Figure 2 to be recognized recess is provided.
- Figure 2 shows the one-piece housing lower part 4 with the connected thereto manifold 3 of Figure 1 without the additional components.
- a return flow protection 7 designed as a flap is provided in the flow region, which prevents a return flow of the gas-air mixture or exhaust gas from the region of the bend 3 back into the blower housing 2.
- the lower housing part 4 and the manifold 3 are formed such that the housing cover 5 of Figure 1 completely covers the remindström attacks 7 and this is thus accessible both during assembly and during removal of the housing cover 5.
- the housing cover 5 can be fastened at different points on the housing lower part 4. Also on the manifold 3 attachment points 13 are provided for attachment of the housing cover 5.
- the backflow protection 7 is designed as a sealing flap made of silicone and rotatably mounted in the flow channel or by means of a hinge joint, so that it is difficult to remove in the uninfluenced state. force-controlled in its sealing closed position passes.
- a flap it is opened by means of the flow in the direction of arrow P in the direction of the bend 3 by an opening movement, wherein the opening movement is made possible only in the direction of the bend 3.
- the flap is sealingly on both the housing cover 5 and the lower housing part 4, wherein in the latter additionally a circumferential groove is provided to which the flap applies a sealing.
- the housing outlet 8 of the lower housing part 4 extends into the manifold 3 in order to ensure a uniform distribution of the gas-air mixture within the manifold 3.
- blower device 1 With the blower device 1 is first premixed within the fan housing 2 via the gas valve 1 1 supplied gas with combustion air and then conveyed into the manifold 3 to be supplied here flat to the gas burner 10.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gas Burners (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012107128.4A DE102012107128A1 (de) | 2012-08-03 | 2012-08-03 | Gebläsevorrichtung mit integriertem Krümmer |
PCT/EP2013/064862 WO2014019835A1 (de) | 2012-08-03 | 2013-07-12 | Gebläsevorrichtung mit integriertem krümmer für einen gasbrenner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2885542A1 true EP2885542A1 (de) | 2015-06-24 |
EP2885542B1 EP2885542B1 (de) | 2018-02-21 |
Family
ID=48808319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13739392.2A Active EP2885542B1 (de) | 2012-08-03 | 2013-07-12 | Gebläsevorrichtung mit integriertem krümmer für einen gasbrenner |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2885542B1 (de) |
DE (2) | DE102012107128A1 (de) |
WO (1) | WO2014019835A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3015768B1 (de) | 2014-10-29 | 2019-02-20 | Honeywell Technologies Sarl | Anordnung mit einem Gasventil, einem Lüfter, einem Gas-/Luftmischer und einer Brennertür |
JP6529364B2 (ja) * | 2015-07-09 | 2019-06-12 | リンナイ株式会社 | 給湯器 |
JP6534333B2 (ja) * | 2015-10-19 | 2019-06-26 | リンナイ株式会社 | 給湯器 |
JP6534337B2 (ja) | 2015-10-26 | 2019-06-26 | リンナイ株式会社 | 給湯器 |
DE102019112644A1 (de) * | 2019-05-14 | 2020-11-19 | Ebm-Papst Landshut Gmbh | Gebläsegehäuse eines Gasgebläses mit redundant vorgesehenen Rückschlagventilen |
JP2022098738A (ja) * | 2020-12-22 | 2022-07-04 | 株式会社ノーリツ | 燃焼装置及び温水装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0834695B1 (de) * | 1996-10-03 | 1999-09-01 | Siabs Industry S.R.L. | Vorrichtung zum Zuführen eines Gas/Luft-Gemisches zu einem Brenner, insbesondere für Heizungsanlagen |
DE20308866U1 (de) * | 2003-06-06 | 2003-08-14 | Buderus Heiztechnik Gmbh | Rückschlagklappe |
US20050178344A1 (en) * | 2004-02-17 | 2005-08-18 | Garrett Michael K. | Gas delivery system with pre-mix blower |
-
2012
- 2012-08-03 DE DE102012107128.4A patent/DE102012107128A1/de not_active Withdrawn
- 2012-08-03 DE DE202012012538U patent/DE202012012538U1/de not_active Expired - Lifetime
-
2013
- 2013-07-12 WO PCT/EP2013/064862 patent/WO2014019835A1/de active Application Filing
- 2013-07-12 EP EP13739392.2A patent/EP2885542B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE102012107128A1 (de) | 2014-02-06 |
WO2014019835A1 (de) | 2014-02-06 |
DE202012012538U1 (de) | 2013-04-29 |
EP2885542B1 (de) | 2018-02-21 |
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