EP0369950B1 - Heizanlage - Google Patents

Heizanlage Download PDF

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Publication number
EP0369950B1
EP0369950B1 EP89810878A EP89810878A EP0369950B1 EP 0369950 B1 EP0369950 B1 EP 0369950B1 EP 89810878 A EP89810878 A EP 89810878A EP 89810878 A EP89810878 A EP 89810878A EP 0369950 B1 EP0369950 B1 EP 0369950B1
Authority
EP
European Patent Office
Prior art keywords
air
fuel
flow
combustion
chimney
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.)
Expired - Lifetime
Application number
EP89810878A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0369950A2 (de
EP0369950A3 (de
Inventor
Gert Basten
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0369950A2 publication Critical patent/EP0369950A2/de
Publication of EP0369950A3 publication Critical patent/EP0369950A3/de
Application granted granted Critical
Publication of EP0369950B1 publication Critical patent/EP0369950B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/34—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by ultrasonic means
    • F23D11/345—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by ultrasonic means with vibrating atomiser surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • 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
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
    • F23N1/10—Regulating fuel supply conjointly with another medium, e.g. boiler water and with air supply or draught
    • F23N1/102—Regulating fuel supply conjointly with another medium, e.g. boiler water and with air supply or draught using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air

Definitions

  • the invention relates to a heating system according to the preamble of claim 1.
  • burners with atomization of the liquid fuel by means of ultrasound are known (see, for example, the document DE-A-27 49 859), which do not have the disadvantages of the atomizer burner mentioned above, but have not been able to establish themselves to date due to insufficient flame stability in practice .
  • the object of the present invention is therefore, in particular, to provide a heating system which does not have these disadvantages mentioned above and which, in all the constantly changing atmospheric conditions with an always stable flame, ensures complete combustion, i.e. near-stoichiometric, and also allows the combustion of very small amounts of fuel per unit of time perfectly and with a stable flame.
  • the device shown has a speed-controlled air flow generator 2 of example within the cylindrical housing 1 have 1.8 watts for generating an air flow 3, and a first flow guide 4 downstream of this air flow generator 2 for generating an at least approximately laminar air flow.
  • a commercially available air volume flow measuring device 6 is arranged in this laminar flow area 5, and a second flow guide device 8 consisting of five guide vanes 7 (see in particular FIG. 3) is arranged downstream of this laminar flow area 5.
  • This diffuser 8 gives the flowing, precisely regulated air a swirl around the longitudinal axis 9 of the burner for intensive mixing of the metered air with extremely fine atomized heating oil supplied from the ultrasonic fuel atomizer 10. The latter is fed completely without pressure to the fuel atomizer 10 provided with a piezoelectric ultrasonic oscillator by means of a pump (not shown) via the line 11 and the solenoid valve 12.
  • a computing unit 14 connected to the air volume flow measuring device 6 via a feed line 13 is connected to an air temperature sensor 15, an air pressure sensor 16 and a fuel flow measuring device 17, and immediately electronically calculates the parameters for a near-stoichiometric one from the parameters determined in this way Combustion required exact amount of air, and regulates, if necessary, the speed of the air flow generator 2 until the required amount of air is supplied exactly.
  • a flame tube 18 made of ceramic is arranged in the flow direction after the fuel atomizer 10, the adjoining combustion chamber can be lined with fireclay brick in a known manner.
  • the flame tube 18 is connected to the rest of the burner via thermal insulation 19.
  • the burner described above is connected to a boiler 21 and the latter is connected to a chimney 22 on the flue gas side.
  • a chimney hat 24 in order to have the least possible influence on the chimney draft through the chimney outlet from outside air flows 23.
  • a chimney top is e.g. available under the name "Basten-Regulator” (registered trademark) from Inventina AG., CH-7302 Landquart (Switzerland).
  • Such a chimney cap minimizes the influence of different wind flows from the chimney outlet mouth on the natural draft in the chimney 22, so that the air pressure in the boiler 21 is practically unaffected by such chimney flows even with very gusty winds remains, and therefore represents an extremely important component in this burner concept.
  • the burner described can even be used to burn less than 300 grams of heating oil per hour and generates practically no noise.
  • the ignition device and the control of the piezoelectric ultrasonic vibrator are commercially available and are therefore not described in detail.
  • the total electrical energy consumption of this burner, including the measuring and control device, does not exceed the amount of 10 to 15 watts for a single-family house.
  • a two-fuel boiler 21 '( Figure 5) If a two-fuel boiler 21 '( Figure 5) is used, then the exhaust side, e.g. At the outlet from this boiler, a CO and a CO2 sensor 25 and 26 are arranged for the near-stoichiometric combustion of solid fuels.
  • These sensors 25 and 26 are electrically connected to the computing unit 14, the latter being programmed in such a way that the speed during the combustion of solid fuels in the boiler combustion chamber depending on the CO and CO2 actual values determined in this way on the exhaust gas side and predetermined corresponding target values and / or the direction of rotation of the air flow generator 2 is adjusted to achieve near-stoichiometric combustion with a slight excess of air.
  • FIG. 5 also shows an air conditioning system provided with a heating system according to the invention for air conditioning living rooms or offices.
  • the supply air to be treated is first controlled by a control element 29 corresponding to the volume of the computing unit 21 ' a connected to the cooling system 30 first heat exchanger 31 and then a second to the heating system 21 'connected to the second heat exchanger 32, the cooling system 30 and the heat supply to the second heat exchanger 32 regulator 33 also depending on the determined indoor climate actual values and the predetermined target Values are controlled by the computing unit 21 '.
  • the first heat exchanger 31 can be used to cool the supplied supply air 34 or in combination with the second heat exchanger 32 to dehumidify the same.
  • the computing unit 14 is connected to an air volume flow measuring device 36 arranged in the supply air duct 35 and to a temperature and humidity sensor 37 and 38 for determining the corresponding actual values of the supply air 34.
  • a water ultrasonic atomizer 39 is also arranged in the supply air duct 35, which increases the moisture content of the air flowing through as a function of actual moisture values ascertained in the air duct and / or in the room 40 to be air-conditioned and supplied to the computing unit 14 and predetermined target values if the latter is undershot .
  • the water supply line 41 of the atomizer 39 there is also a control unit which is also controlled by the computing unit 14 Solenoid valve 42 arranged to regulate the flow of water to the atomizer 39.
  • a water atomizer 39 provided with a piezoelectric ultrasound transmitter is extremely advantageous because it is possible with such an atomizer to introduce the required liquid to be supplied into the incoming air 34 in the form of an extremely fine mist.
  • a flow guide device 43 consisting of guide vanes is provided in the outlet area of the ultrasonic atomizer 39, which gives the supply air 34 to be enriched with water and metered in this mixing area a strong swirl about the longitudinal flow axis 44.
  • the air conditioning system shown is not continuous as before, but is only used in a corrective sense in the case of actual values which deviate too greatly from the room climate setpoints, which enables significant energy savings, and an air change which is too small and associated with the various disadvantages and dangers excessive ventilation with correspondingly high heating costs can be prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Special Spraying Apparatus (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
EP89810878A 1988-11-17 1989-11-17 Heizanlage Expired - Lifetime EP0369950B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4266/88 1988-11-17
CH4266/88A CH678099A5 (enrdf_load_stackoverflow) 1988-11-17 1988-11-17

Publications (3)

Publication Number Publication Date
EP0369950A2 EP0369950A2 (de) 1990-05-23
EP0369950A3 EP0369950A3 (de) 1992-02-26
EP0369950B1 true EP0369950B1 (de) 1994-08-03

Family

ID=4272909

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810878A Expired - Lifetime EP0369950B1 (de) 1988-11-17 1989-11-17 Heizanlage

Country Status (8)

Country Link
US (1) US5122053A (enrdf_load_stackoverflow)
EP (1) EP0369950B1 (enrdf_load_stackoverflow)
JP (1) JPH02247419A (enrdf_load_stackoverflow)
AT (1) ATE109551T1 (enrdf_load_stackoverflow)
CA (1) CA2003114A1 (enrdf_load_stackoverflow)
CH (1) CH678099A5 (enrdf_load_stackoverflow)
DD (1) DD289584A5 (enrdf_load_stackoverflow)
DE (1) DE58908143D1 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7159407B2 (en) * 2004-06-09 2007-01-09 Chen Kuo-Mei Atomized liquid jet refrigeration system
US20060032930A1 (en) * 2004-08-13 2006-02-16 Banner Engineering & Sales, Inc. Methods and apparatus for controlling baking oven zone temperature
US7293388B2 (en) * 2005-05-13 2007-11-13 Armatron International, Inc. Adaptive control system
DE202005014282U1 (de) * 2005-09-10 2005-11-24 Blum, Theodor Klimagerät
US7856853B2 (en) * 2006-02-01 2010-12-28 Owens Corning Intellectual Capital, Llc Rotary process for making mineral fiber insulation material
US8303297B2 (en) * 2007-10-31 2012-11-06 Webster Engineering & Manufacturing Co., Llc Method and apparatus for controlling combustion in a burner
DE102010044762A1 (de) * 2010-09-08 2012-03-08 Honeywell Technologies S.A.R.L. Vorrichtung zur Kalibrierung einer Gasbrennerregelung
DE102016113222A1 (de) * 2016-07-18 2018-01-18 Webasto SE Brenner und Fahrzeugheizgerät
US10274195B2 (en) * 2016-08-31 2019-04-30 Honeywell International Inc. Air/gas admittance device for a combustion appliance

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255804A (en) * 1963-08-15 1966-06-14 Exxon Research Engineering Co Ultrasonic vaporizing oil burner
GB1388036A (en) * 1971-04-26 1975-03-19 Matsushita Electric Ind Co Ltd Liquid fuel burners
US3861852A (en) * 1974-01-25 1975-01-21 Berger Harvey Fuel burner with improved ultrasonic atomizer
US3905752A (en) * 1974-05-03 1975-09-16 Hy Way Heat Systems Inc Oil burner
US4153201A (en) * 1976-11-08 1979-05-08 Sono-Tek Corporation Transducer assembly, ultrasonic atomizer and fuel burner
US4330260A (en) * 1979-01-31 1982-05-18 Jorgensen Lars L S Method and apparatus for regulating the combustion in a furnace
GB2041081B (en) * 1979-02-03 1983-03-09 Lucas Industries Ltd Heater for gaseous fluid
AU5639780A (en) * 1979-03-23 1980-09-25 Kintyre Enterprises Ltd. Fuel burner
US4605167A (en) * 1982-01-18 1986-08-12 Matsushita Electric Industrial Company, Limited Ultrasonic liquid ejecting apparatus
AT387842B (de) * 1985-05-14 1989-03-28 Hefel Herbert Schornsteinaufsatz
US4887958A (en) * 1986-10-10 1989-12-19 Hagar Donald K Method and system for controlling the supply of fuel and air to a furnace

Also Published As

Publication number Publication date
ATE109551T1 (de) 1994-08-15
US5122053A (en) 1992-06-16
DE58908143D1 (de) 1994-09-08
CA2003114A1 (en) 1990-05-17
CH678099A5 (enrdf_load_stackoverflow) 1991-07-31
JPH02247419A (ja) 1990-10-03
EP0369950A2 (de) 1990-05-23
EP0369950A3 (de) 1992-02-26
DD289584A5 (de) 1991-05-02

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