US3661499A - Radiation burners or glow radiators - Google Patents

Radiation burners or glow radiators Download PDF

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Publication number
US3661499A
US3661499A US6189A US3661499DA US3661499A US 3661499 A US3661499 A US 3661499A US 6189 A US6189 A US 6189A US 3661499D A US3661499D A US 3661499DA US 3661499 A US3661499 A US 3661499A
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Prior art keywords
insulating layer
combustion
gases
heat
combustion chamber
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Expired - Lifetime
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US6189A
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English (en)
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Kurt Krieger
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    • 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
    • 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
    • F23D14/14—Radiant burners using screens or perforated plates
    • F23D14/145—Radiant burners using screens or perforated plates combustion being stabilised at a screen or a perforated plate

Definitions

  • ABSTRACT Foreign Application Priority Data
  • a radiation burner or glow radiator in which a combustible mixture of gas or fuel vapor and air is supplied from a distribu- 1969 Germany 05 [4&0 tion chamber to a permeable burner head, which comprises an i 52] U S Cl 431/328 insulating layer of heat-resisting and/or fireproof material, for [511 In.
  • the burner head also com- I26/92 prising a heat-radiating surface of heat-resisting and/0r fireproof material, consisting of one or more hollow moulded I 56]
  • Cited bodies provided with outlets, in such a way that burning gases issuing from these outlets impinge upon an external surface of UNITED STATES PATENTS an adjacent region of a heat-radiating surface.
  • This invention relates to a radiation burner or glow radiator, in which a combustible mixture of gas or fuel vapor and air is supplied through a distribution chamber to a permeable burner head, which comprises an insulating layer of heat-resisting or fireproof material, for instance a fiber fleece, provided with discrete passage apertures for the combustible mixture, and also a heat-radiating surface of heat-resisting or fireproof material located towards the outside of the burner, and played upon by hot combustion gases.
  • a permeable burner head which comprises an insulating layer of heat-resisting or fireproof material, for instance a fiber fleece, provided with discrete passage apertures for the combustible mixture, and also a heat-radiating surface of heat-resisting or fireproof material located towards the outside of the burner, and played upon by hot combustion gases.
  • the heat-radiating surface consists of a heat-resisting metal plate. Between this and the insulating layer, provided with discrete apertures, there is an intervening space, in which the combustible mixture burns, thereby heating the metal plate from its rear side. The burnt gases pass directly forwards into the atmosphere through holes provided in the metal plate.
  • the object of the present invention is to develop further and improve a burner of the kind hereinbefore set forth, in order to obtain particularly advantageous results, particularly with respect to its output capacity and/or efficiency, and to the temperature conditions.
  • the invention provides that the heat-radiating surface consists of one or more molded bodies, exhibiting or forming cavities, and is provided with outlets leading outwards from the cavities, in such a way that the gases issuing from these outlets pass on to the outer side of an adjacent region of the heat-radiating surface.
  • the heat-radiating surface is not only heated from the inside, but that the outer side, the external surface, is also acted upon by hot gases. These gases here impart further heat to the heat-radiating surface, so that a substantially better utilization of the energy of the fuel is obtained, and also an increase in efiiciency. Owing to heat being supplied to the heat-radiating surface from both the inside and the outside, the heating here becomes more intensive, so that higher temperatures can be reached.
  • the entire surface may be formed by one or more molded bodies, the cross-sectional profile of which is a sequence of alternating projections and recesses, wherein the cavities to which the combustible mixture flows, and in which it is burnt, lie underneath the projections whereas in the falling and rising flanks of this profile are arranged the outlets for the hot gases, through which the same issue, to impinge upon the opposite flank of the profile.
  • the profile may here be acuteangled, or even rounded.
  • the construction admits of being such that at times only one profile peak, with the flanks descending on both sides, is formed by each molded body, in which case a series of such molded bodies then lies-parallel side by side, or else lies in such a way that one molded body contains or forms a number of hill-and-valley elements in one piece.
  • a further advantageous construction consists in the feature that the heat-radiating surface is formed of molded bodies which are provided in each case on two opposite sides with outlet apertures, while the inlets for the combustible mixture are located in positions located between these outlet apertures, and which are arranged in staggered relationship to one another in such a way that in each case the outlet apertures of two adjacent molded bodies point in different directions.
  • the cross-sectional profile of the molded bodies may be closed or may even be open.
  • the molded bodies may for instance be constructed in the shape of tubular elements of circular cross-section, or of a flattened round cross-section, or of a cross-section of basically angular form, corresponding substantially to a triangle resting upon one side.
  • the molded bodies may, according to the form of their cross-sections, be provided not only with outlet apertures at opposite ends, but also, if desired, with further outlets in the region of their side walls.
  • the molded bodies also admit of being provided with inlet tubes for the combustible mixture. With respect to the material of these little tubes, 'what has been stated above correspondingly applies.
  • the tubes may be made in one piece with the molded bodies, or may be connected either detachably or firmly with them. With each molded body either one inlet tube or a plurality of inlet tubes may be associated. in particular, the construction further admits of being such that the inlet tubes, insulating layer, or serve as a lining for the latter.
  • each molded body there may be associated an insertion, which forms an inlet tube for the combustible mixture, and/or is equipped with an inlet tube.
  • a construction of the molded bodies which is also very advantageous in connection with the production consists in the feature that the same are provided with recesses issuing from open ends. These recesses may be selected, with respect to their number, size and shape, according to the particular requirements, and may form outlets for the hot gases.
  • FIG. 1 shows in plan a part of a burner constructed according to the invention
  • FIG. 2 shows a section on the line Il-ll in FIG. 1;
  • FIG. 3 shows in plan a part of another burner construction according to the invention
  • FIG. 4 shows a section on the line'lVlV in FIG. 3;
  • FIG. 5 shows in sectional elevation a modified burner construction
  • FIG. 6 shows in plan a and FIG. 7 shows a section through another molded-body construction.
  • the burner illustrated in FIGS. 1 and 2 comprises a burner casing l, with an inlet pipe 2 for a mixture of gas and air, and with a distribution chamber 3, together with a rectangular burner head denoted as a whole by the numeral 4.
  • the latter comprises an insulating layer 5, and a heat-radiating surface 7 formed by individual molded blocks 6.
  • the insulating layer 5 consists of a fiber fleece, this being primarily a fleece of ceramicfibers, or of fibers having an oxide basis. Although this has been found very advantageous, the provision of some other insulating layer, of solid ceramic material for instance, is not precluded.
  • the insulating layer 5 rests upon a metal plate 8 or a wire network, and is provided with discrete passage apertures for the combustible mixture. With the construction shown, these are formed by small tubes 10 of heatproof metal or else of ceramic material. At the positions of the tubes 10 the metal plate 8 is provided with corresponding holes 9.
  • the tubes 10 form at the same time the inlet paths for the combustible mixture to the molded bodies 6, and also a holding means for the latter, and may for instance be connected with the molded bodies 6 in a suitable manner by an upset collar or a flange, either fixedly, or, it may be, in such a way as to allow a slight relative movement.
  • the molded bodies 6 consist, in the burner construction illustrated in FIGS. 1 and 2, of tubular elements of triangular cross-section, so that there are open cavities H at the ends.
  • the material of the molded bodies 6 may be a heat-resisting metal, for instance a nickel-chromium alloy, or even a ceramic material.
  • the molded bodies 6 are individually staggered in part of a further burner construction;
  • each molded body 6 is heated not only outwards from within but also on its outside.
  • the heat-radiating surface 7 is formed by a molded body 15, the cross-sectional profile of which is an alternating sequence of projections a and recesses 15b.
  • the burner head 14 here again comprises an insulating layer 16 of a fiber fleece, which, towards the distribution chamber 3 of the burner, is covered by a metal plate 17, and which is provided with discrete passages in the form of tubes 18. Through the latter the combustible mixture passes into the cavities H, which are enclosed by the molded body 15, and in which the combustion is effected.
  • the flanks 15: of the molded body profile are provided with outlet apertures 19, through which the hot gases issue, to impinge upon the outside of an adjacent flank of the profile and additionally heat the latter.
  • the single corrugated body 15 may alternatively be replaced by an assemblage of individual members of triangular cross-section.
  • FIG. 5 illustrates a burner construction in which, as in the construction of FIGS. 1 and 2, over an insulating layer 20, with inlet tubes 21, molded bodies 22 are arranged in staggered relationship to one another. These molded bodies 22 here have a somewhat M-shaped cross-section. Besides the outlet apertures 23 formed by the open ends of the molded bodies 22, further outlets are here provided in the form of holes 24 in inner walls 22a that face one another in each molded body itself. The hot gases issuing through these outlets 24 therefore additionally heat these walls 24 of the molded body 22 on their outer sides.
  • the heatradiating surface 7 iscomposed of individual molded bodies 25, the basic form of which is the same as or similar to those of the molded bodies 6 shown in FIG. 2.
  • the molded bodies 25 are not arranged in staggered relationship to one another, but have the same directional orientation among themselves, so that a profile of the heat-radiating surface is obtainedwhich is comparable with the construction of FIGS. 3 and 4.
  • Each of the molded bodies 6 is provided with recesses 26, which issue from the open ends of the molded body 25, and form outlet apertures for the gases, which can accordingly impinge upon the outer sides of the adjacent molded bodies.
  • the recesses 26 at one end of each molded body 25, as shown in FIG. 6, are located to one side of the peak of the profile of the molded body, and at the other end on the other side of the profile peak.
  • FIG. 7 a burner construction in which there is associated with each molded body 27 an insertion 28 consisting for example of ceramic material, which in its upper portion is of plate-like or slab-like construction, and in its lower portion, engaging in the insulating layer 30, is equipped with a little metal tube 29. Through this tube, and the part of the insertion 28 connected therewith, the combustible mixture flowing in from the distribution chamber 3 passes into the molded body 27, to be burnt there.
  • the molded bodies 27 may be constructed as shown in FIG. 6, or may even be of some other suitable construction.
  • a radiation burner comprising: a casing defining a distribution chamber, means for supplying thereto a combustible combustible mixture, and a burner head consisting of hollow body means located on the outer side of said insulating layer, each of said body means including a wall bounding a combustion chamber and having an external heat-radiating surface, this wall being formed with outlets for hot combustion gases, so arranged that the hot combustible gases, after leaving the said combustion chamber through such outlets, impinge upon an external heat-radiating surface of a combustion chamber, which is also internally heated by the combustion of gases or vapors therein, and wherein the hollow molded body means consisting of a plurality'of tubular molded bodies, each being formed withopen outlet apertures at two opposite ends, each of the passages through the insulating layer leading to an inlet located between the opposite ends of one of the molded bodies, and the tubular bodies being arranged in staggered relationship to one another so that the outlet apertures of adjacent tubular'bodies point in different directions.
  • tubular molded bodies being formed not only with outlet apertures at their opposite ends but also with further outlet apertures in inner wall surfaces.
  • a radiation burner comprising: a casing defining a distribution chamber, means for supplying thereto a combustible mixture of air and gas or fuel vapor, an insulating layer of heat-resisting material formed of a fibrous fleece, said insulating layer covering said distribution .chamber, and being formed with discrete apertures serving as passages for the said combustible mixture, and a burner head consisting of hollow body means located on the outer side'of said insulating layer, each of said body means including a wall bounding a combustion chamberand having an external heat-radiating surface, this wall being formed with outlets for hot combustion gases, so arranged that the hot combustible gases, after leaving the said combustion chamber through such outlets, impinge upon an external heat-radiating surface of a combustion chambenwhich is also internally heated by the combustion of gases or vapors therein, and wherein each combustion chamber is in'the form of a triangular prism, with an outlet recess in the fonn of a notch in
  • a radiation burner comprising: a casing defining a distribution chamber, means for supplying thereto a combustible mixture of air and gas or fuel vapor, an insulating layer of heat-resisting material formed of a fibrous fleece, said insulating layer covering said distribution chamber, and being formed with discrete apertures serving as passages for the said combustible mixture, and a burner head consisting of hollow body means located on the outer side of said insulating layer, each of said body means including a wall bounding a combustion chamber and having an external heat-radiating surface, this wall being formed with outlets for hot combustion gases, so arranged that the hot combustible gases, after leaving the said combustion chamber through such outlets, impinge upon an external heat-radiating surface of a combustion chamber, which is also internally heated by the combustion of gases or vapors therein, and wherein each molded body is of substantially M-shaped cross-section, open underneath, with outlet apertures in the slanting inner sides of the cross-section.
  • a radiation burner comprising: a casing defining a distribution chamber, means for supplying thereto a combustible mixture of air and gas or fuel vapor, an insulating layer of heat-resisting material formed of a fibrous fleece, said insulating layer covering said distribution chamber, and being formed with discrete apertures serving as passages for the said combustible mixture, and a burner head consisting of hollow gases or vapors therein, and wherein each of the passages extending through the insulating layer from the distribution chamber to the interior of a molded body is lined with an inlet tube, each of these tubes including a lower metal portion and an upper portion, this upper portion extending through an aperture in the base of a combustion chamber and terminating in a platelike member resting on the inside of this base.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
US6189A 1969-02-03 1970-01-27 Radiation burners or glow radiators Expired - Lifetime US3661499A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1905148A DE1905148C3 (de) 1969-02-03 1969-02-03 Strahlungsbrenner

Publications (1)

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US3661499A true US3661499A (en) 1972-05-09

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Application Number Title Priority Date Filing Date
US6189A Expired - Lifetime US3661499A (en) 1969-02-03 1970-01-27 Radiation burners or glow radiators

Country Status (6)

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US (1) US3661499A (fr)
DE (1) DE1905148C3 (fr)
FR (1) FR2031191A5 (fr)
GB (1) GB1229762A (fr)
SE (1) SE345732B (fr)
SU (1) SU354673A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2192759A1 (fr) * 1972-07-21 1974-02-15 Sovkhoz Mi Ovoschn
US4861261A (en) * 1986-02-05 1989-08-29 Kurt Krieger Method of operating a gas-infrared radiator, and the gas-infrared radiator
US5104309A (en) * 1988-05-16 1992-04-14 Kurt Krieger Radiant burner for gaseous fuel
US20050017203A1 (en) * 2002-02-12 2005-01-27 Richard Aust Infrared emitter embodied as a planar emitter
US20120178034A1 (en) * 2011-01-12 2012-07-12 Lynx Grills, Inc. Barbeque radiant burner
US20130280662A1 (en) * 2010-11-16 2013-10-24 Ulrich Dreizler Combustion method with cool flame base
WO2017124008A1 (fr) * 2016-01-13 2017-07-20 Clearsign Combustion Corporation Stabilisateur de flamme perforé à espaces entre les groupes de tuiles
EP3049721A4 (fr) * 2013-09-23 2017-09-20 Clearsign Combustion Corporation Système de brûleur utilisant de multiples stabilisateurs de flamme perforés et procédé de fonctionnement
US10571124B2 (en) 2013-02-14 2020-02-25 Clearsign Combustion Corporation Selectable dilution low NOx burner
US11378273B2 (en) * 2017-01-11 2022-07-05 A. O. Smith Corporation Reduced resonance burner

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3832496C2 (de) * 1988-09-22 1995-06-08 Vaillant Joh Gmbh & Co Gasbrenner
DE10222450A1 (de) * 2002-02-12 2003-08-21 Voith Paper Patent Gmbh Als Flächenstrahler ausgebildeter Infrarot-Strahler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901086A (en) * 1931-05-28 1933-03-14 Cox Frederick John Gas burner
US3087041A (en) * 1957-10-09 1963-04-23 Era Heater Corp Space heater
US3312269A (en) * 1966-04-06 1967-04-04 Comb Res Corp Infra-red radiant heater and grid therefor
US3445175A (en) * 1966-04-06 1969-05-20 Kurt Krieger Gas burners

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901086A (en) * 1931-05-28 1933-03-14 Cox Frederick John Gas burner
US3087041A (en) * 1957-10-09 1963-04-23 Era Heater Corp Space heater
US3312269A (en) * 1966-04-06 1967-04-04 Comb Res Corp Infra-red radiant heater and grid therefor
US3445175A (en) * 1966-04-06 1969-05-20 Kurt Krieger Gas burners

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2192759A1 (fr) * 1972-07-21 1974-02-15 Sovkhoz Mi Ovoschn
US4861261A (en) * 1986-02-05 1989-08-29 Kurt Krieger Method of operating a gas-infrared radiator, and the gas-infrared radiator
USRE34541E (en) * 1986-02-05 1994-02-15 Kreiger; Kurt Method of operating a gas-infrared radiator, and the gas-infrared radiator
US5104309A (en) * 1988-05-16 1992-04-14 Kurt Krieger Radiant burner for gaseous fuel
US20050017203A1 (en) * 2002-02-12 2005-01-27 Richard Aust Infrared emitter embodied as a planar emitter
US7038227B2 (en) 2002-02-12 2006-05-02 Voith Paper Patent Gmbh Infrared emitter embodied as a planar emitter
US9360210B2 (en) * 2010-11-16 2016-06-07 Ulrich Dreizler Combustion method with cool flame base
US20130280662A1 (en) * 2010-11-16 2013-10-24 Ulrich Dreizler Combustion method with cool flame base
US9066620B2 (en) * 2011-01-12 2015-06-30 Lynx Grills, Inc. Barbeque radiant burner
US20120178034A1 (en) * 2011-01-12 2012-07-12 Lynx Grills, Inc. Barbeque radiant burner
US9970656B2 (en) 2011-01-12 2018-05-15 Lynx Grills, Inc. Barbeque radiant burner
US10571124B2 (en) 2013-02-14 2020-02-25 Clearsign Combustion Corporation Selectable dilution low NOx burner
EP3049721A4 (fr) * 2013-09-23 2017-09-20 Clearsign Combustion Corporation Système de brûleur utilisant de multiples stabilisateurs de flamme perforés et procédé de fonctionnement
WO2017124008A1 (fr) * 2016-01-13 2017-07-20 Clearsign Combustion Corporation Stabilisateur de flamme perforé à espaces entre les groupes de tuiles
CN112432166A (zh) * 2016-01-13 2021-03-02 美一蓝技术公司 瓷砖组之间具有间隙的穿孔火焰保持器
EP3403026B1 (fr) * 2016-01-13 2021-12-15 ClearSign Technologies Corporation Système de combustion comprenant un premier et un second stabilisateurs de flammes perforés, séparés par un espace
US11313553B2 (en) * 2016-01-13 2022-04-26 Clearsign Technologies Corporation Plug and play burner
US20220299203A1 (en) * 2016-01-13 2022-09-22 Clearsign Technologies Corporation Burner and burner system with flange mount
CN112432166B (zh) * 2016-01-13 2023-10-27 美一蓝技术公司 瓷砖组之间具有间隙的穿孔火焰保持器
US11953199B2 (en) * 2016-01-13 2024-04-09 ClearSign Technologies Coporation Burner and burner system with flange mount
US11378273B2 (en) * 2017-01-11 2022-07-05 A. O. Smith Corporation Reduced resonance burner

Also Published As

Publication number Publication date
FR2031191A5 (fr) 1970-11-13
DE1905148A1 (de) 1970-08-13
DE1905148C3 (de) 1976-01-02
GB1229762A (fr) 1971-04-28
SE345732B (fr) 1972-06-05
DE1905148B2 (de) 1975-05-15
SU354673A1 (ru) 1972-10-09

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