• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Heater with one of a fan (7) support heating burner (1) and a first heat exchanger (2) for cooling the exhaust gases of the heating burner (1), a first exhaust pipe (4) for discharging the first heat exchanger (2) cooled exhaust gases of the heating burner (1) and a fresh air line (5) for supplying combustion air to the fan (7), a recuperator (3) downstream of the first heat exchanger (2), in the first heat exchanger (2) cooled exhaust gases of the heating burner (1) with at least one service water pipe and / or at least one hot water tank (6) are thermally conductively connected, wherein the recuperator (3) by a vacuum chamber (10) is enclosed, wherein the vacuum chamber (10) with the first fresh air line (5) and a second fresh air line (11) or a Opening for connecting to the environment is connected.
    公开号:AT510855A4
    申请号:T1995/2010
    申请日:2010-12-01
    公开日:2012-07-15
    发明作者:
    申请人:Vaillant Group Austria Gmbh；
    IPC主号:
    专利说明:

    * ♦ ···· ·· ♦ * · ♦ ·
    Vaillant Group Austria GmbH
    PT 5065 AT
    heater
    The invention relates to a heater in recuperator.
    Heaters with recuperators to increase efficiency are known from the prior art. In this case, the exhaust gas of a heating burner, which has been cooled in a first heat exchanger, further cooled by means of cold process water. While by means of heating water, the exhaust gas can be minimally cooled to the heating return temperature, the waste gas can be cooled down to a minimum of the temperature of the cold process water during process water cooling. Domestic hot water flows into households at a temperature of about 15 ° C. Further cooling is not possible. If no cold process water flows, then the stationary process water heats up and the exhaust gas can no longer be cooled down so much.
    The invention is based, to increase the efficiency of a heater with recuperator again the task.
    This is achieved according to the features of independent claim 1, characterized in that in a heater with recuperator the recuperator is arranged in a vacuum chamber.
    Advantageous embodiments of the invention will become apparent from the features of the dependent claims.
    Thus, the recuperator can be arranged with vacuum chamber next to or above the unit of heating burner and first heat exchanger.
    The invention will now be explained in detail with reference to FIGS.
    Figure 1 shows a heater with a heating burner 1, which is fed by a fan 7 and a fuel gas supply 8 with a fuel gas-air mixture. The hot combustion gases of the heating burner 1 flow through the combustion chamber 9, in which a heat exchanger 2 is located. These mentioned components 1, 2, 7, 8, 9 are located in a heating device vacuum chamber 13. The heat exchanger 2 is connected to a first exhaust pipe 4 for discharging the exhaust gases of the heating burner 1 cooled in the first heat exchanger 2. The heater vacuum chamber 13 is connected to a first fresh air duct 5 for supplying combustion air to the blower 7, wherein the first exhaust duct 4 and the fresh air duct 5 are coaxial.
    A recuperator 3 has a two-part water heater 6, which is located in a housing 14 surrounded by exhaust gas. This housing 14 in turn is surrounded by a vacuum chamber 10. From the housing 14, a second exhaust pipe 12 leads into the environment. This second exhaust pipe 12 is surrounded by a second fresh air line 11.
    The housing 14 of the recuperator 14 and the vacuum chamber 10 are connected via the first exhaust pipe 4 and the fresh air line 5 to the first heat exchanger 2 and the heater vacuum chamber 13. The hot water tank 6 is connected to a service water supply, not shown, and the first heat exchanger 2.
    The recuperator 3 with vacuum chamber 10 is arranged in the case shown next to the heater vacuum chamber 13; however, it may also be arranged above it.
    In the heating mode, the heating burner 1 is supplied via the blower 7 and the fuel gas supply 8 to a fuel gas-air mixture and ignited in the combustion chamber 9. The hot exhaust gases first flow through the first heat exchanger 2, in which hot water flows via the first heat exchanger 2 as the second medium. In the first heat exchanger 2, the hot exhaust gas releases thermal energy to the service water. The cooled exhaust gas flow through the exhaust pipe 4 into the housing 14 of the recuperator 3, where they flow around the two-part domestic water storage tank 6 and thereby emit thermal energy to the hot water located in the two-part water heater 6. At the same time, service water flows into the two-part process water storage tank 6. The hot water heated by the exhaust gas in the two-part domestic water storage tank 6 of the recuperator 3 flows via the first heat exchanger 2, where it is heated by the hot exhaust gases of the heating burner 1.
    By flowing through the housing 14 with hot or at least warm exhaust gases, this heats up. The vacuum chamber 10 surrounding the housing 14 absorbs this heat. There, the heat is transferred to the fresh air flowing from the second fresh air line 11 via the vacuum chamber 10, the first fresh air line 5 and the heater vacuum chamber 13 to the blower. As a result, the Strahlveriuste be minimized.
    As with any heat exchanger, the principle is that the warmer medium can be minimally cooled to a temperature above the temperature of the colder medium, the maximum heat transfer is achieved in a countercurrent flow. Exhaust gases of conventional natural gas-fired heating burner 1 have a water vapor content of about 105 grams of water vapor per dry kilogram of exhaust gas. •···············································································································································································································
    The dew point of the exhaust gas is around 55 ° C. Especially in winter, the outside air temperature is lower than the hot water temperature, so that in the recuperator heat can be transferred from the exhaust gas to the fresh air again. Since the exhaust gases are already cooled in the first heat exchanger 2 to a temperature well below 100 ° C, there is no risk of overheating in the recuperator 3, if it can no longer absorb heat.
    According to the invention, it would also be possible for heating water to flow in the first heat exchanger 2 and to heat the process water preheated in the recuperator 3 from the heating water to the setpoint temperature for hot water heating in a further heat exchanger (not shown).
    I
    权利要求:
    Claims (3)
    [1]
    ··· ···· * ·· 2 6. 1t. 1. Heater with one of a fan (7) support heating burner (1) and a first heat exchanger (2) for cooling the exhaust gases of the heating burner (1), a first exhaust pipe (4) for discharging in the first heat exchanger (2) cooled exhaust gases of the heating burner (1) and a fresh air line (5) for supplying combustion air to the fan (7), a recuperator (3) downstream of the first heat exchanger (2), in which in the first heat exchanger (2 ) cooled exhaust gases of the heating burner (1) with at least one service water pipe and / or at least one hot water tank (6) are thermally conductively connected, characterized in that the recuperator (3) by a vacuum chamber (10) is enclosed, wherein the vacuum chamber (10) the first fresh air line (5) and a second fresh air line (11) or an opening for connection to the environment is connected.
    [2]
    2, heater with recuperator (3) according to claim 1, characterized in that the recuperator (3) with a vacuum chamber (10) next to the unit of heating burner (1) and the first heat exchanger (2) is arranged. I ·· * «· • · · · · < 2 · · «» »» * * · · ···· »t * ·« • e * * 9 · ♦ · · Φ ··
    [3]
    3. heater with recuperator (3) according to claim 1, characterized in that the recuperator (3) with vacuum chamber (10) above the unit of heating burner (1) and the first heat exchanger (2) is arranged.
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    同族专利:
    公开号 | 公开日
    EP2461100B1|2018-01-03|
    EP2461100A2|2012-06-06|
    EP2461100A3|2014-12-31|
    AT510855B1|2012-07-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US4651680A|1985-07-25|1987-03-24|Service National: Gaz De France|Reduced wreath condensation boiler|
    US20100089295A1|2008-10-15|2010-04-15|Mel Moench|Continuously-Fed Non-Densified Biomass Combustion System|
    DE2950901C2|1978-12-22|1982-04-22|Naamloze Vennootschap Nederlandse Gasunie, Groningen|Central heating system|
    DK439582A|1982-01-07|1983-07-08|Scanergi Miljoe Energisyst|Condensing boiler boiler|
    FR2554565B1|1983-11-07|1988-12-09|Leblanc Sa E L M|CONDENSING BOILER|
    AT404984B|1996-08-19|1999-04-26|Huber Walter Dipl Ing Dr|PLANT FOR PREPARING HOT WATER|AT514857B1|2013-08-08|2015-06-15|Vaillant Group Austria Gmbh|Primary heat exchanger of a condensing boiler|
    EP3742057A1|2019-05-21|2020-11-25|Georg Fischer JRG AG|Heat recovery|
    CN112503668A|2019-12-23|2021-03-16|匡宇翔|Continuous integrated air circulation and purification device for hospital and chemical environment|
    CN111775984B|2020-07-20|2021-08-03|南京溧水高新产业股权投资有限公司|Spontaneous combustion preventing carriage system of coal delivery train|
    法律状态:
    2017-08-15| MM01| Lapse because of not paying annual fees|Effective date: 20161201 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1995/2010A|AT510855B1|2010-12-01|2010-12-01|HEATER|ATA1995/2010A| AT510855B1|2010-12-01|2010-12-01|HEATER|
    EP11009230.1A| EP2461100B1|2010-12-01|2011-11-22|Heating device|
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