EP0194975A2 - Strahlungsheizeinrichtung - Google Patents

Strahlungsheizeinrichtung Download PDF

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Publication number
EP0194975A2
EP0194975A2 EP86810126A EP86810126A EP0194975A2 EP 0194975 A2 EP0194975 A2 EP 0194975A2 EP 86810126 A EP86810126 A EP 86810126A EP 86810126 A EP86810126 A EP 86810126A EP 0194975 A2 EP0194975 A2 EP 0194975A2
Authority
EP
European Patent Office
Prior art keywords
wall
primary
intermediate channel
channel
thermal radiation
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.)
Withdrawn
Application number
EP86810126A
Other languages
English (en)
French (fr)
Other versions
EP0194975A3 (de
Inventor
Maurice Grosjean
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.)
Gyger Gilbert
Original Assignee
Gyger Gilbert
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
Application filed by Gyger Gilbert filed Critical Gyger Gilbert
Publication of EP0194975A2 publication Critical patent/EP0194975A2/de
Publication of EP0194975A3 publication Critical patent/EP0194975A3/de
Withdrawn legal-status Critical Current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
    • F24H1/18—Water-storage heaters
    • 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
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • 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
    • F24H6/00—Combined water and air heaters

Definitions

  • the present invention relates to a device for heating a medium by thermal radiation in the visible spectrum emitted by a radiating body brought to high temperature by an energy source.
  • an electric heating resistor is immersed in the water to be heated and is in direct or indirect contact with water.
  • the object of the present invention is to avoid the drawbacks mentioned above and to make maximum use of the radiation energy produced by a heat source at high temperature.
  • the radiation heating device which is the subject of the invention has the characteristics defined in the claims.
  • the heating device according to the invention is essentially provided with an intermediate channel which separates the energy source at high temperature of the medium to be heated, in particular water, which allows a free circulation of air in this channel, and which allows the emission and transmission, through this channel, of radiation used for heating indirect of said medium.
  • Said intermediate channel comprises at least one inlet opening and one outlet opening which connect this channel to the outside of the heating device and which allow the free circulation of air in this channel.
  • Said air inlet and outlet openings will advantageously be associated with means comprising for example a diaphragm making it possible to adjust the inlet and the outlet of the air circulating in this channel.
  • the high temperature heat source used in a device according to the invention can be an electric heating resistor which is brought to high temperature without being directly and negatively influenced by the medium to be heated.
  • the electric heating resistor can therefore work at its maximum power, while allowing optimum heat transfer.
  • the boiler shown in FIG. 1 comprises an electric heating resistor 5 constituting a source of radiant energy at high temperature, which is surrounded by a first cylindrical wall 1 constituting a primary, radiating, coaxial partition formed of a material capable of supporting the high temperature of the radiant heat produced by the heating resistor 5.
  • This primary, radiant partition has internal and external faces which are blackened, so that it can act as a black body capable of absorbing this radiant heat on its front face , internal, to heat up as well, and to emit secondary radiation in the visible spectrum.
  • These two coaxial partitions 1 and 2 are radially spaced and delimit between them an annular passage forming an intermediate channel 3 which is provided with an inlet opening 7 and an outlet opening 8 communicating with the outside of the device and serving to allow free air circulation in this channel 3, as indicated by arrows in FIG. 1.
  • the water tank 4 of the boiler described is delimited by an external insulating wall 6, closed at its two ends, and provided with a cold water inlet 9 and a hot water outlet 10.
  • the coaxial partitions 1 and 2 thus delimit the intermediate channel 3 which separates the source of energy at high temperature, constituted by the heating resistor 5, from the water to be heated in the tank 4.
  • the boiler shown in FIG. 3 comprises an oil burner which has a flame 15, constitutes a source of radiant energy at high temperature, and is arranged axially in a combustion chamber delimited by a cylindrical wall 11 constituting a primary, radiating partition. , coaxial formed of a material capable of withstanding the high temperature of the flame 15 of the burner.
  • This primary, radiant partition 11 has blackened internal and external faces, so that it can act as a black body capable of absorbing on its blackened internal surface the radiant heat emitted by the flame 15, thus heating up, and reemitting radially towards the exterior, from its blackened external surface, secondary radiation in the visible spectrum.
  • This first wall 11 constituting a primary, radiating partition used to intercept and re-emit the radiation produced by the flame 15, is surrounded by a second cylindrical wall 12 which constitutes a secondary, coaxial partition formed of a heat conducting material, and which serves to the exchange of heat with the water to be heated contained in a tank 14.
  • the two coaxial walls 11 and 12 are spaced radially from each other, serve to delimit between them a vertical annular passage forming an intermediate channel 13 which is provided at its lower end with an air inlet 17 and, at its upper end with an air outlet 18, and allows free circulation of air along this channel 13, as indicated by arrows in FIG. 3.
  • the tank 14 of this boiler is delimited by an external insulating wall 16 closed at its two ends, and provided with a tangential cold water inlet 19 and a radial hot water outlet 20 .
  • the coaxial walls 11 and 12 thus delimit the intermediate channel 13 which separates the flame 15 from the burner, constituting the source of energy at high temperature, from the water to be heated.
  • the heating device according to FIGS. 4 and 5 constitutes a variant similar to that already described according to FIGS. 1 and 2.
  • the identical elements thus have the same reference numbers in FIGS. 1.2 and 5.6, and will only be briefly described here.
  • the heating device is provided with an electrical resistance composed of a plurality of electrical heating spirals 25, each mounted on a porcelain support and housed respectively in corresponding longitudinal grooves formed at the periphery of a body refractory 22.
  • This body 22 is heated to high temperature by these spirals 25 and has an external wall 21, constituting a primary wall used to emit thermal radiation in the visible spectrum and to delimit one side of the intermediate channel 3 for the free circulation of air using the air inlet 7 and outlet 8 openings communicating with the outside of the heating device.
  • the intermediate channel 3 is also delimited by a secondary wall 2 whose internal surface receives, through this channel 3, the thermal radiation emitted in the visible spectrum by the primary wall 21, while its external surface is in contact with water to be heated in the tank 4, provided with an external insulating wall 6 and inlet 9 and outlet 10 openings.
  • the radiation heating device according to the invention can also be advantageously used for heating water or any other suitable medium, therefore various fluids, liquids or gases, or any solid medium, intended for indirect heating by transmitted thermal radiation. through said intermediate air circulation channel.
  • said intermediate air circulation channel comprising in particular said primary, radiant wall associated with said intermediate channel of free air circulation, it becomes possible to carry this wall pri mayor, radiating at a very high temperature allowing it to emit thermal radiation in the visible spectrum, to avoid at the same time any harmful overheating, or indeed undesirable cooling, and thus to ensure prolonged indirect heating by high radiation temperature with high efficiency.

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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)
  • Heat-Pump Type And Storage Water Heaters (AREA)
EP86810126A 1985-03-12 1986-03-12 Strahlungsheizeinrichtung Withdrawn EP0194975A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH110685 1985-03-12
CH1106/85 1985-03-12

Publications (2)

Publication Number Publication Date
EP0194975A2 true EP0194975A2 (de) 1986-09-17
EP0194975A3 EP0194975A3 (de) 1988-07-13

Family

ID=4202629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86810126A Withdrawn EP0194975A3 (de) 1985-03-12 1986-03-12 Strahlungsheizeinrichtung

Country Status (1)

Country Link
EP (1) EP0194975A3 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262263A1 (de) * 1985-04-04 1988-04-06 van Heel, Joannes Marie Lufterhitzer
EP0374878A3 (de) * 1988-12-23 1991-02-20 Atwood Industries Inc. Gasheizgerät zur Warmwasserbereitung und zur Raumheizung
US5054108A (en) * 1987-03-30 1991-10-01 Arnold Gustin Heater and method for deionized water and other liquids
EP0877208A3 (de) * 1997-05-07 2000-07-05 Dietrich Schröck Strahlungswärme-Raumheizsystem
WO2008043573A1 (en) * 2006-10-13 2008-04-17 Willis Heating And Plumbing Co Ltd Water heating apparatus and system
WO2015117219A1 (en) * 2014-02-07 2015-08-13 Sylvain Laberge Baseboard for use in preheating water
WO2019025636A1 (en) * 2017-08-04 2019-02-07 Dometic Sweden Ab HEAT TRANSFER UNIT, UNIT AND HEATING APPARATUS FOR RECREATIONAL VEHICLES, AND RECREATIONAL VEHICLES

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2084287A (en) * 1935-08-29 1937-06-15 Handley Brown Heater Company Apparatus for heating liquids with fluid fuel
US2377785A (en) * 1943-08-25 1945-06-05 Walter E Hudson Electric furnace water heater
DE1295163B (de) * 1964-04-04 1969-05-14 Ettling Hermann Raumlufterhitzer mit Brauchwasserbereiter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0262263A1 (de) * 1985-04-04 1988-04-06 van Heel, Joannes Marie Lufterhitzer
US5054108A (en) * 1987-03-30 1991-10-01 Arnold Gustin Heater and method for deionized water and other liquids
EP0374878A3 (de) * 1988-12-23 1991-02-20 Atwood Industries Inc. Gasheizgerät zur Warmwasserbereitung und zur Raumheizung
EP0877208A3 (de) * 1997-05-07 2000-07-05 Dietrich Schröck Strahlungswärme-Raumheizsystem
WO2008043573A1 (en) * 2006-10-13 2008-04-17 Willis Heating And Plumbing Co Ltd Water heating apparatus and system
WO2015117219A1 (en) * 2014-02-07 2015-08-13 Sylvain Laberge Baseboard for use in preheating water
WO2019025636A1 (en) * 2017-08-04 2019-02-07 Dometic Sweden Ab HEAT TRANSFER UNIT, UNIT AND HEATING APPARATUS FOR RECREATIONAL VEHICLES, AND RECREATIONAL VEHICLES

Also Published As

Publication number Publication date
EP0194975A3 (de) 1988-07-13

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Inventor name: GROSJEAN, MAURICE