EP2801760B1 - Brûleur à gaz à fibres métalliques et ventilateur - Google Patents

Brûleur à gaz à fibres métalliques et ventilateur Download PDF

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Publication number
EP2801760B1
EP2801760B1 EP13866483.4A EP13866483A EP2801760B1 EP 2801760 B1 EP2801760 B1 EP 2801760B1 EP 13866483 A EP13866483 A EP 13866483A EP 2801760 B1 EP2801760 B1 EP 2801760B1
Authority
EP
European Patent Office
Prior art keywords
gas
metal fiber
burner
pad
fan
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.)
Not-in-force
Application number
EP13866483.4A
Other languages
German (de)
English (en)
Other versions
EP2801760A4 (fr
EP2801760A1 (fr
Inventor
Keum seok SONG
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.)
Song Keum Seok
Original Assignee
Song Keum Seok
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 Song Keum Seok filed Critical Song Keum Seok
Priority claimed from PCT/KR2013/008629 external-priority patent/WO2014137051A1/fr
Publication of EP2801760A1 publication Critical patent/EP2801760A1/fr
Publication of EP2801760A4 publication Critical patent/EP2801760A4/fr
Application granted granted Critical
Publication of EP2801760B1 publication Critical patent/EP2801760B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
    • F23D14/36—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air in which the compressor and burner form a single unit
    • 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
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • 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
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • 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
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/70—Baffles or like flow-disturbing devices
    • 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
    • F24C3/047—Ranges
    • 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
    • F24C3/10—Arrangement or mounting of ignition devices
    • F24C3/103—Arrangement or mounting of ignition devices of electric ignition devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2212/00—Burner material specifications
    • F23D2212/005—Radiant gas burners made of specific materials, e.g. rare earths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/00003—Fuel or fuel-air mixtures flow distribution devices upstream of the outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14701—Swirling means inside the mixing tube or chamber to improve premixing

Definitions

  • the present invention relates to an industrial gas burner used in a restaurant or a communal feeding facility, and more particularly, to a fan-metal fiber gas burner capable of widely and uniformly dispersing flame by a mesh-type metal fiber pad installed on a burner head and an idle-type dispersing blade installed at an inside of the burner head, so that cooking time can be shortened and burning noise may be greatly reduced when the gas is exhausted.
  • an industrial gas burner is classified into a burner having two holes/two lines or three holes/three lines, a double-pipe burner, and a jet burner according to an arrangement of nozzles formed in the burner head.
  • a gas burner since gas is exhausted through a nozzle, the flame of a burning part is limited to the surroundings of the nozzle and is not steady so that the flame is flickered.
  • a gas burner using a metal fiber which is capable of uniformly dispersing flame to shorten heating and cooking time and to greatly reduce noise in consideration of the above, has been known in the art.
  • the metal fiber which serves as a combustion member, is installed at an upper end of a burner head.
  • the metal fiber which is made of a metallic material
  • the metal fiber has a flat combustion structure so that the entire surface may be used as a combustion surface.
  • the metal fiber gas burner has combustion efficiency and heating power greater than those of the nozzle type gas burner, the use of the metal fiber gas burner has been increased.
  • Typical exemplary structures of a gas burner using a metal fiber as a combustion member according to the related art include are depicted in FIG. 2 and disclosed in Korean Patent Unexamined Publication No. 2011-0106785 and Korean Utility Model Registration No. 20-0328095 , respectively, the latter disclosing the features specified in the preamble of claim 1.
  • the gas burner depicted in FIG. 2 among the related arts mentioned above includes a metal fiber b flatly installed on an upper end of a burner head a. Gas and air suitably mixed with each other by a blower and a gas supply apparatus are supplied through a pipe member c to the burner head a, so that the gas is spouted out upwardly through a mesh of the metal fiber.
  • the metal fiber is operated as a combustion member so that the gas is burned.
  • the gas burner disclosed in Korean Patent Unexamined Publication No. 2011-0106785 among the related arts includes a metal fiber pad which is formed by overlapping several metallic mesh members having mutually different fiber diameters and net knots and substitutes for a nozzle.
  • the metal fiber pad is installed on a top surface of a gas burner head so that relatively uniform flame is exploded through the entire mesh member.
  • a distribution plate which is attached to an end of a mixture on a pipe line, which is placed under the pad while passing upwardly through a central portion of a bottom of the burner head, prevents the gas spouted out to the end of the mixture from being concentrated on the central portion of the pad, so that the gas is induced to be spouted out in all directions.
  • the number of metallic meshes constituting the pad of the gas burner is too many, so that the fabrication of the pad is difficult and the weight of the pad is heavy.
  • the juice and residue of food get in between meshes and stick to the meshes so that the mesh holes are narrowed.
  • the heating power of flame exploded through the pad is lowered and the cleaning of the pad becomes worse.
  • a previous scheme of controlling flame intensity by controlling the gas feeding rate has low gas diffusion so that the flame exploded from the pad is rough differently from the quiet and beautiful flame caused while the gas is being burned at an infrared ray pad.
  • the previous scheme is insufficient to uniformly heat food and is debased in visual esthetic feeling although a gas burner is used.
  • the flame intensity is decreased, the noise still remains as a research subject.
  • the gas burner disclosed in Korean Utility Model Registration No. 20-0328095 among the related arts includes a stainless pad which substitutes for a gridiron and is formed of overlapping several metal meshes having mutually different wire diameters and mesh shapes.
  • the stainless pad is installed to a combustion part of the burner head.
  • a resistance plate is installed to a central portion of burner head under the pad, so that the inflow gas bumps against the resistance plate so that the gag is spread in all directions.
  • the gas bumps against the resistance plate in the burner head so that the gas is spread in all directions, the gas is clustered on one edge of the pad if the gas pressure is elevated. To the contrary, if the gas pressure is lowered, the gas is engulfed in the flame so that the gas tends to be clustered on the central portion of the pad.
  • CN 2 380 800 Y discloses a utility model of an induction type burner having a turbofan group in the air-fuel mixture supply duct.
  • An object of the present invention is to provide a fan metal fiber gas burner, in which a metal fiber pad is installed and gas is supplied through a blow pressure to be burn, capable of uniformly distributing gas to the entire pad so that the flame can be uniformly exploded from all portions of the pad and the noise problem can be solved.
  • a fan-metal fiber gas burner which includes a detachable metal fiber pad installed to a combustion part of a burner head, a supply pipe connected to a central portion of a bottomof the burner head, and a blower to supply oxygen necessary to burn gas through the supply pipe.
  • the fan-metal fiber gas burner includes an idle-type dispersing blade provided below the metal fiber pad in the burner head to uniformly dispersing gas in all directions while being pure-rotated according to a gas supplying pressure, and a guide plate having a curved surface.
  • the idle-type dispersing blade which is sensitively operated in response to a pressure of blowing air including gas regardless of the blow air, uniformly mixes the blowing air with the gas, and disperses softly and uniformly the mixture like spread of fog, so that the flame can be uniformly exploded on the entire pad.
  • the idle-type dispersing blade can be economically operated without consuming any energy and any operation noise is not almost generated.
  • a fan-metal fiber gas burner includes a detachable metal fiber pad installed to a combustion part of a burner head, a supply pipe connected to a central portion of a bottom of the burner head, a blower to supply oxygen necessary to burn gas through the supply pipe, and a gas supply apparatus.
  • the fan-metal fiber gas burner includes an idle-type dispersing blade fixed below the metal fiber pad of the burner head and pure-rotated according to a pressure of blow air including gas; and a curve-shaped inducing plate attached to a low end of a central shaft of the idle-type dispersing blade and to disperse uniformly and upwardly a rising gas pressure.
  • a fan-metal fiber gas burner includes a burner head 1, a supply pipe 2 connected to the central portion of a bottom of the burner head 1 to communicate with an inside of the burner head 1, a pad 3 mounted on a combustion part of the burner head 1, a blower 4 installed to a rear end of the supply pipe 2, a gas supply apparatus 5 installed to the supply pipe 2 at the front of the blower 4 and an idle-type dispersing blade 6 installed to an inside of the burner head 1.
  • the pad 3 is formed by sequentially stacking a metal mesh 9 and a metal fiber 10 and fixed between an upper fixing rim and a lower fixing rim 8.
  • the pad 3 utilizes a tissue property of the metal fiber 10, so that the gas is uniformly spread out through the entire surface of the pad 3 and burned to quietly explode flame.
  • the blower 4 which is an air volume variable blower capable of controlling an air flow rate, supplies an air together with gas through the supply pipe 2.
  • the gas supply apparatus 5 includes a gas hose connected to a gas barrel and the supply pipe 2 and continuously supplies gas by using the gas pressure and the air flow rate.
  • the idle-type dispersing blade 6 is a non-electric adaptive blade which is pure-rotated in sensitive response to the pressure of blowing air including the gas flowing into the burner head 1 through the supply pipe 2 and is installed to an inside of the burner head 1 below the pad 3.
  • the pad 3 and the idle-type dispersing blade 6 are preferably spaced apart from each other by at least a distance in the range of 5 cm to 10 cm. Since a space is formed between the pad 3 and the idle-type dispersing blade 6, the resistance against the rotor is reduced so that the rotation is smoothly performed and the mixing and diffusion of gas are improved.
  • the metal mesh 9 of the pad 3 is formed of stainless having excellent corrosion and heat resistance and excellent durability.
  • the metal mesh 9 supports the metal fiber 10 to prevent the metal fiber 10 from drooping due to strong flame.
  • the metal fiber 10 may have the same standard as the metal mesh 9 and a single metal fiber 10 may be used.
  • the metal mesh 9 and the metal fiber 10 are sequentially stacked and after the upper fixing rim 8 is placed on the metal fiber 10 and the coupling holes of the metal fiber 10, the metal mesh 9, the upper and lower fixing rims 7 and 8 are aligned with those of a flange 16, the metal fiber 10, the metal mesh 9, the upper and lower fixing rims 7 and 8 are coupled to the flange 16 with screws 13.
  • a curve-shaped inducing plate 20 for dispersing the gas pressure rising upwardly is integrally installed to the low end of the central shaft around which the idle-type dispersing blade 6 is fitted.
  • the inducing plate 20 included a curve shaped inducing plate and a hemisphere shaped including plate.
  • the inducing plate 20 has a diameter W larger than an inner diameter H of the supply pipe 2 placed below the inducing plate 20. After the rising gas pressure which collides against the curved surface 22 is dispersed in all directions as the arrow of FIG. 6 , the gas collides against the idle-type dispersing blade so that rotation energy is continuously supplied to the idle-type dispersing blade. Thus, the idle-type dispersing blade 6 is continuously rotated.
  • a size of the inducing plate 20 is equal to or less than the inner diameter of the supply pipe 2, the collision area is reduced so that the diffusion efficiency cannot be obtained.
  • Reference numeral '14' denotes ignition member attaching piece extending toward one side of the upper fixing rim 7 and reference numeral '15' denotes a piezoelectric type ignition member.
  • the gas g1 flowing through the supply pipe 3 while a blow pressure is maintained allows the idle-type dispersing blade 6 to be driven and is burned while the gas g1 is being dispersed upwardly through the pad 3.
  • the gas g2 is softly stirred with the idle-type dispersing blade 6 which is rotated by the gas g1 to which the blow pressure is applied, so that the gas g2 is dispersed like spread of fog.
  • the dispersed gas g2 uniformly permeates into the whole of the metal fiber 10 by the upward blow pressure so that the gas g2 is smoothly burn, so the flame f having uniform heating power explodes from all portions.
  • the curved surface 22 which is placed just on the upper end of the supply pipe 2 in the structure of the gas burner, experts the greatest effect on the primary task of dispersing the gas flowing into the supply pipe 2.
  • the diameter W of the curved surface 22 is larger than the inner diameter H of the supply pipe 2, so that the dispersion after the rising gas collides against the curved surface can be improved.
  • the idle-type dispersing blade which is sensitively operated in response to a pressure of blowing air including gas regardless of the blow air, uniformly mixes the blowing air with the gas, and disperses softly and uniformly the mixture like spread of fog, so that the flame can be uniformly exploded on the entire pad.
  • the blow pressure a path of which is varied due to the collision of the induce plate with the curved surface, is operated as rotation energy, the idle-type dispersing blade can be economically operated without consuming any energy and any operation noise is not almost generated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Claims (3)

  1. Brûleur à soufflante à gaz à fibres métalliques comprenant un matelas de fibres métalliques amovible (3) installé sur une pièce de combustion d'une tête de brûleur (1), un tuyau d'alimentation (2) relié à une partie centrale du fond de la tête de brûleur (1), une soufflante (4) pour alimenter de l'oxygène nécessaire pour brûler du gaz à travers le tuyau d'alimentation (2), et un dispositif d'alimentation de gaz (5),
    caractérisé en ce que ledit brûleur à soufflante à gaz à fibres métalliques comprend en outre :
    une pale de dispersion de type inactif (6) fixée sous le matelas de fibres métalliques (3) de la tête de brûleur (1) et tournant selon la pression de soufflage de gaz contenant de l'air, et
    une plaque de guidage courbée (20) attachée à une extrémité inférieure d'un arbre central de la pale de dispersion de type inactif (6) pour disperser uniformément une pression de gaz croissante dans une direction ascendante.
  2. Brûleur à soufflante à gaz à fibres métalliques selon la revendication 1, dans lequel la pale de dispersion de type inactif (6) présente une structure non électrique qui n'a pas besoin d'un moteur ou d'énergie électrique.
  3. Brûleur à soufflante à gaz à fibres métalliques selon la revendication 1, dans lequel la plaque de guidage courbée (20) présente un diamètre plus grand que le diamètre intérieur du tuyau d'alimentation (2).
EP13866483.4A 2013-03-04 2013-09-26 Brûleur à gaz à fibres métalliques et ventilateur Not-in-force EP2801760B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20130002297 2013-03-04
PCT/KR2013/008629 WO2014137051A1 (fr) 2013-03-04 2013-09-26 Brûleur à gaz à fibres métalliques et ventilateur

Publications (3)

Publication Number Publication Date
EP2801760A1 EP2801760A1 (fr) 2014-11-12
EP2801760A4 EP2801760A4 (fr) 2015-12-02
EP2801760B1 true EP2801760B1 (fr) 2019-02-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13866483.4A Not-in-force EP2801760B1 (fr) 2013-03-04 2013-09-26 Brûleur à gaz à fibres métalliques et ventilateur

Country Status (1)

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EP (1) EP2801760B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964279B (zh) * 2015-06-15 2017-04-12 宁波方太厨具有限公司 一种灶具燃烧器
CN110513683B (zh) * 2019-09-11 2024-06-07 永康市华港厨具配件有限公司 商用燃气器具多功能燃烧器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2380800Y (zh) * 1999-05-28 2000-05-31 黄一学 能节省能源减少污染的燃气产品自动鼓风装置
KR200328095Y1 (ko) * 2003-07-09 2003-09-26 김은식 업소 및 주방용 가스버너

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2801760A4 (fr) 2015-12-02
EP2801760A1 (fr) 2014-11-12

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