EP1077348B1 - Dispositif de chauffage par rayonnement chauffé au gaz - Google Patents

Dispositif de chauffage par rayonnement chauffé au gaz Download PDF

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Publication number
EP1077348B1
EP1077348B1 EP00121839A EP00121839A EP1077348B1 EP 1077348 B1 EP1077348 B1 EP 1077348B1 EP 00121839 A EP00121839 A EP 00121839A EP 00121839 A EP00121839 A EP 00121839A EP 1077348 B1 EP1077348 B1 EP 1077348B1
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EP
European Patent Office
Prior art keywords
hood
burner
converter
heating gases
radiant heater
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
EP00121839A
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German (de)
English (en)
Other versions
EP1077348A1 (fr
Inventor
Herbert Baumanns
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Individual
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Individual
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Publication of EP1077348A1 publication Critical patent/EP1077348A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/04—Stoves or ranges for gaseous fuels with heat produced wholly or partly by a radiant body, e.g. by a perforated plate
    • F24C3/042—Stoves
    • 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
    • F23D14/12—Radiant burners
    • F23D14/125—Radiant burners heating a wall surface to incandescence
    • 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
    • F23D14/12—Radiant burners
    • F23D14/151—Radiant burners with radiation intensifying means other than screens or perforated plates

Definitions

  • the invention relates to a gas-heated heat radiator, the Can be used as a ceiling spotlight for heating halls is.
  • incandescent lamps in the form of incandescent lamps and in are known Form of dark spots.
  • incandescent lamps is one Ceramic plate provided the numerous continuous Has openings in which supplied gas is burned, wherein the ceramic plate is heated to the annealing temperature and Radiates heat. This results in high Radiation temperatures, so that incandescent lamps usually in greater height can be used.
  • US Pat. No. 4,727,854 describes a gas-heated heat radiator, where the heating gases generated by a burner be passed through a radiation tube, which in a hood open at the bottom is arranged.
  • the radiation pipe is heated up by the heating gases and then shines heat from the outside.
  • the radiation tube forms one Converter, whose heat exchange surface; along which the heating gases flow, the inner tube wall is while the heat radiation to the outside through the pipe outer wall.
  • a gas heated radiant heater with the characteristics of The preamble of claim 1 is described in US 4,507,083.
  • This radiant heater has a burner, the slit-shaped nozzles from a mixing chamber upwards or facing down or to one side.
  • the Flame space is formed by refractory bricks, in which it is molded. They each contain one bell-expanding space in which the Combustion gases enter from the top and out of it flared end they flow out. This expanded room is either open to one side or open to the top. He is not intended to trap the combustion gases or damming.
  • the invention has for its object a gas-heated To create radiant heaters in which the converter at all Places is heated evenly and therefore at low Energy consumption generates a high heat output.
  • the converter is which absorbs the convection heat of the combustion gases and in Radiant heat is implemented, a body with opposite effective radiation area enlarged surface on which sweep along the combustion gases.
  • the needed Temperature (approx. 300 ° C) of the converter is not caused by high Speeds of the heating gases reached, but by a greatly enlarged surface on which the heating gases sweep along and which is thereby heated convectively.
  • the Partial surfaces of this surface shine on each other. Because the externally effective radiation area of the converter is a lot is smaller than the heat exchange surface, the 'heats up Converter to the required temperature.
  • the effective one The radiation area of the converter is that in the radiation direction projected area.
  • the heat radiator according to the invention can be used as an economical dark radiator be designated. With him the heating or Combustion gases along a converter structure greatly increased surface area. By the big one Ratio of heat exchange area to radiation area achieved that the heating gases are relatively slow at the converter can flow along. This is the heat exchange improved. Gas combustion can be considered atmospheric Combustion takes place where a forced draft burner does not is required. Because of the even distribution of the gases the gas consumption is low. The converter can do this be dimensioned so that the highest efficiency is achieved that is permissible. It is also advantageous that the Radiant heater has a light weight, which is particularly true the mounting of the heat radiator on a hall roof by Meaning is. All components are easily accessible, so that maintenance is made easier.
  • Another advantage is that the converter from the Heating gases can be flowed through in the transverse direction and thus is heated evenly at all points. This results in uniform radiation intensity over the entire Radiating surface.
  • the Converter arranged in a hood open at the bottom, below which direct the combustion gases from the burner.
  • the hood thus forms a reverse lake, so to speak absorbs the combustion gases and 'on the converter along forwards.
  • the combustion gases pass along one Edge under the hood, flow through the hood in Transverse direction, along the converter and leave the hood on the opposite edge.
  • a gas and heat exchange also takes place in Longitudinal direction of the hood instead.
  • The. Hood adjusts one structure open below, through the opening of which the converter is easily accessible for cleaning or maintenance purposes.
  • This hood can be a reflective surface and / or a Have radiation area.
  • a radiant area ideally acts as a black body, i.e. it absorbs incident radiation and emits its own radiation.
  • the burner can be on the one edge of the hood as a separate Device be attached. It contains a longitudinal one Fuel tube, which is preferably only part of the Combustion chamber length extends.
  • the outlet slot of the combustion chamber is shaped so that the heating gases extend over the length of the Outlet slot distributed substantially evenly from the Exit the combustion chamber. This means that the Flow resistance of the outlet slot in the length range of Burner tube is larger than in those length ranges, in which the burner tube is not available.
  • the heat radiator has an elongated hood 10 which formed as an inverted U-shaped trough open at the bottom is and can have a length of several meters.
  • the hood 10 is e.g. made of metal and here it has a horizontal extending base plate 10a, which slopes downwards and connect outside side plates 10b and 10c.
  • the hood could also have an edgeless round structure or one have a different polygon structure.
  • the hood 10 is on hers Provide the top with thermal insulation 11, e.g. out can consist of a layer of heat-insulating material. at in the present embodiment there is thermal insulation 11 from an auxiliary hood 12 placed on the hood 10, the with the hood 10 forms a heat-insulating air space 13.
  • This burner 15 has an elongated Burner chamber 16 on the bottom with Air inlet openings 17 is provided and on its top a slot-shaped elongated outlet opening 18 for which has heating gases.
  • a horizontal burner tube 19 on its top has numerous gas outlet openings 20, which in are arranged at regular intervals.
  • the burner tube 19 is supplied from an external gas line 21 gas that from the. Gas outlet openings 20 exits and mixed with the outside air burns so that over the gas outlet openings 20 atmospherically burning flames are created.
  • the burner tube 19 extends only over a partial area the length of the hood 10, here about the middle third. So that the heating gases are evenly distributed over the entire length of the burner chamber 16 from the outlet 18th emerge is in the middle of the length of the Burner chamber 16 a sheet narrowing the outlet opening 18 18a provided a throttling effect in this area exerts while the other areas of the outlet opening 18th are unthrottled. Furthermore, in the burner chamber 16 Guide plate 22 made of refractory material to the Protect hood 10 from direct exposure to the flames. The Baffle 22 extends over the outlet openings 20 and parallel to the side plate 10b of the hood 10. The outlet opening 18 is directed so that those emerging from it Heating gases on the side plate 10b of the hood 10 along strike.
  • the heating gases that have left the burner chamber 16 rise under the hood 10 and flow on the hood wall along to after releasing a significant portion of their heat flow out under the opposite edge 23.
  • the heating gases can, for example, directly into the Environment can be derived. But you can also by one Chimney (not shown) can be removed.
  • the converter 24 is located under the base plate 10a of the hood attached. This converter 24 extends over the entire length of the hood 10. It contains a base plate 25, from which numerous parallel ribs 26 project downwards, so that the converter here - seen from the front - is comb-shaped. Extend between the ribs 26 downwardly open guide channels 27 which are transverse to Longitudinal direction of the hood 10 run. On the front The hood 10 ends by end walls 28 and 29, respectively completed.
  • the heating gases flow after leaving the burner chamber 16 along the converter 24 and through the guide channels 27 therethrough. They heat the converter 24, the for example made of steel or ceramic. Because of the Ribs 26, converter 24 has a very large surface area, which is in heat exchange with the heating gases. To this In this way, the converter heats itself up even at a slower rate Flow rate of the heating gases very strongly. On the other hand, the converter 24 emits radiant heat downwards from. The effective radiation area of the converter 24 is in essentially through the vertical projection of the converter is much smaller than that Heat exchange surface. After the converter 24 has heated up a thermal equilibrium is created between the absorbed convection heat and the emitted Radiant heat, the converter having a temperature of e.g. Assumes 300 ° C. After the heating gases heat the converter 24 have left the hood with a temperature of about 150 ° C.
  • a wind protection grille 30 arranged over the entire hood opening extends and prevents drafts from reaching converter 24 arrives and cools it down.
  • the windscreen 30 serves also the increase in efficiency.
  • the parts of the hood 10, in particular the side plates 10b and 10c, can be designed as reflectors to reflect on reflecting incident heat radiation and thus to be directed diagonally into the space below the hood 10. In this way, a wide radiation pattern be achieved.
  • parts of the Manufacture hood from radiation absorbing material that Absorbs radiant heat and acts as an internal radiator.
  • the hood 10 open at the bottom causes a flow of the Heating gases along the guide channels 27 of the converter 24.
  • Die Hood forms a kind of thermosiphon in which the heating gases first ascend and down after releasing their heat be derived.
  • the converter 24 is in the present Embodiment designed so that the guide channels 27th just passed. It can also be designed as a labyrinth be in which the heating gases have a meandering shape Pass through the flow path.
  • the burner 15 is here at the top of the Hood arranged and releases the heating gases from its underside 15a exit into the hood.
  • the converter 24a which here as down open (reverse) gutter is formed parallel to the burner 15 runs.
  • the converter 24a is smooth here Walls open, however the walls could also be structured his.
  • the converter 24a has an essentially trapezoidal shape.
  • the Walls of the converter 24a have a surface that the area of the opening 32 is much larger.
  • the area 32 forms the projection of the surface of the converter 24a. she is much smaller than the area of the converter.
  • the outflow of the heating gases from the burner 15 is designated by 33 in FIG.
  • the heating gases that burn the burner 15 have left, flow into the converter 24a on one side into it, flow diagonally upwards and back again below, in order to then exit under the edge of the hood 10.
  • the hood is the same as in the first embodiment 10 elongated and the burner 15 and the converter 24a run as elongated components in the longitudinal direction of the Hood.
  • the converter is in this embodiment in. Flows through the transverse direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Resistance Heating (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Claims (10)

  1. Dispositif de chauffage par rayonnement chauffé au gaz, comprenant un brûleur (15) dont les gaz de chauffage sont guidés le long d'un convertisseur (24), qui diffuse de la chaleur de rayonnement dans l'environnement, le convertisseur (24, 24a) comprenant une goulotte longitudinale (25) ou plusieurs canaux de conduction (27), à travers laquelle ou lesquels s'écoulent les gaz de chauffage, et le convertisseur (24, 24a) étant un corps ayant une surface plus grande que la surface de rayonnement efficace et dont la surface d'échange thermique exposée aux gaz de chauffage est au moins deux fois plus grande - de préférence au moins quatre fois plus grande - que la surface de rayonnement efficace, caractérisé en ce que la goulotte ou les canaux de conduction (27) est/sont ouverte/ouverts vers le bas, et en ce que le convertisseur (24) est disposé dans un capot (10) fermé vers le haut et ouvert vers le bas, sous lequel sont conduits les gaz de chauffages du brûleur (15).
  2. Dispositif de chauffage par rayonnement selon la revendication 1, caractérisé en ce que le brûleur (15) présente une chambre de brûleur (16), qui s'étend le long d'un bord (14) du capot (10) allongé, de telle sorte que les gaz de chauffage traversent le capot (10) perpendiculairement à la direction longitudinale de celui-ci et sortent au niveau du bord (23) opposé.
  3. Dispositif de chauffage par rayonnement selon la revendication 1, caractérisé en ce que le brûleur (15) est disposé à une extrémité du capot (10) allongé, les gaz de chauffage traversant le capot (10) dans le sens longitudinal.
  4. Dispositif de chauffage par rayonnement selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le capot (10) présente une isolation thermique (11) au niveau de sa face extérieure.
  5. Dispositif de chauffage par rayonnement selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la face intérieure du capot (10) est conçue, du moins par sections, comme une surface de réflexion.
  6. Dispositif de chauffage par rayonnement selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la face intérieure du capot (10) est conçue, du moins par sections, comme une surface de rayonnement.
  7. Dispositif de chauffage par rayonnement selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le brûleur (15) présente une tuyère de brûleur (19) munie d'ouvertures de sortie de gaz (20) et s'étendant dans une chambre de brûleur (16), dont la longueur est inférieure à celle de la chambre de brûleur (16), et en ce que la chambre de brûleur (16) présente une sortie (18) dont la largeur est réduite dans la zone de longueur de la tuyère de brûleur (19).
  8. Dispositif de chauffage par rayonnement selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'une grille pare-brise (30) est prévue sur l'ouverture du capot (10).
  9. Dispositif de chauffage par rayonnement selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le convertisseur (24) présente des canaux de conduction (27) ouverts vers le bas, qui s'étendent entièrement ou par sections perpendiculairement à la direction longitudinale du capot (10).
  10. Dispositif de chauffage par rayonnement selon la revendication 9, caractérisé en ce que le convertisseur (24) comprend une structure à nervures avec des nervures (26) dirigées vers le bas, les gaz de chauffage balayant les nervures parallèlement à celles-ci.
EP00121839A 1995-10-21 1996-10-19 Dispositif de chauffage par rayonnement chauffé au gaz Expired - Lifetime EP1077348B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29516643U DE29516643U1 (de) 1995-10-21 1995-10-21 Gasbeheizter Wärmestrahler
DE29516643U 1995-10-21
EP96116842A EP0769658B1 (fr) 1995-10-21 1996-10-19 Dispositif de chauffage par rayonnement chauffé à gaz

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP96116842A Division EP0769658B1 (fr) 1995-10-21 1996-10-19 Dispositif de chauffage par rayonnement chauffé à gaz

Publications (2)

Publication Number Publication Date
EP1077348A1 EP1077348A1 (fr) 2001-02-21
EP1077348B1 true EP1077348B1 (fr) 2003-09-17

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ID=8014395

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96116842A Expired - Lifetime EP0769658B1 (fr) 1995-10-21 1996-10-19 Dispositif de chauffage par rayonnement chauffé à gaz
EP00121839A Expired - Lifetime EP1077348B1 (fr) 1995-10-21 1996-10-19 Dispositif de chauffage par rayonnement chauffé au gaz

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP96116842A Expired - Lifetime EP0769658B1 (fr) 1995-10-21 1996-10-19 Dispositif de chauffage par rayonnement chauffé à gaz

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EP (2) EP0769658B1 (fr)
AT (2) ATE250202T1 (fr)
DE (3) DE29516643U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7116900B2 (en) 2003-04-01 2006-10-03 Radiant Optics, Inc. Radiant energy source systems, devices, and methods capturing, controlling, or recycling gas flows
CA2521134A1 (fr) 2003-04-01 2004-10-21 Radiant Optics, Inc. Systemes de sources d'energie rayonnante et procede pour capturer, commander, recycler des flux gazeux

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7309345U (de) * 1973-09-20 Jenewein & Gapp Gmbh Gaskaminofen
FR2190249A5 (fr) * 1972-06-22 1974-01-25 Utilisation Ration Gaz
US3763847A (en) * 1972-09-07 1973-10-09 Foster Miller Ass Radiant heater
DE2706043C2 (de) * 1977-02-12 1982-09-16 Herbert 4050 Mönchengladbach Baumanns Strahlungsbrenner
US4432727A (en) * 1982-09-21 1984-02-21 Joseph Fraioli Gas-fired infrared projection heater
US4507083A (en) * 1982-09-21 1985-03-26 Joseph Fraioli Gas-fired infrared projection heater
DE3415058A1 (de) * 1984-04-21 1985-10-31 GoGas Goch GmbH & Co, 4600 Dortmund Strahlungsbrenner
US4727854A (en) * 1986-05-08 1988-03-01 Johnson Arthur C W High efficiency infrared radiant energy heating system and reflector therefor
US4702693A (en) * 1986-12-03 1987-10-27 Joseph Fraioli Gas-fired infrared heater
DE3903540A1 (de) * 1989-02-07 1990-08-09 Guenter Petz Heizstrahler
FR2654806B1 (fr) * 1989-11-17 1992-02-14 Triatherm Sarl Appareil de chauffage au gaz par rayonnement infrarouge.

Also Published As

Publication number Publication date
DE59606754D1 (de) 2001-05-17
EP0769658A1 (fr) 1997-04-23
ATE200567T1 (de) 2001-04-15
DE29516643U1 (de) 1997-02-20
EP1077348A1 (fr) 2001-02-21
DE59610724D1 (de) 2003-10-23
ATE250202T1 (de) 2003-10-15
EP0769658B1 (fr) 2001-04-11

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