WO2013018954A1 - 연소장치 - Google Patents

연소장치 Download PDF

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Publication number
WO2013018954A1
WO2013018954A1 PCT/KR2011/007335 KR2011007335W WO2013018954A1 WO 2013018954 A1 WO2013018954 A1 WO 2013018954A1 KR 2011007335 W KR2011007335 W KR 2011007335W WO 2013018954 A1 WO2013018954 A1 WO 2013018954A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
burner body
flame
combustion
fuel
Prior art date
Application number
PCT/KR2011/007335
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
황석중
Original Assignee
(주)한성고주파
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 (주)한성고주파 filed Critical (주)한성고주파
Priority to US14/234,428 priority Critical patent/US20140158108A1/en
Priority to EP11870296.8A priority patent/EP2738459A4/de
Priority to JP2014522725A priority patent/JP2014524006A/ja
Priority to CN201180072427.7A priority patent/CN103703315A/zh
Publication of WO2013018954A1 publication Critical patent/WO2013018954A1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/02—Closed stoves
    • F24B1/024—Closed stoves for pulverulent fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B10/00—Combustion apparatus characterised by the combination of two or more combustion chambers
    • F23B10/02—Combustion apparatus characterised by the combination of two or more combustion chambers including separate secondary combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
    • F23B50/12—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
    • F23B60/02—Combustion apparatus in which the fuel burns essentially without moving with combustion air supplied through a grate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B90/00—Combustion methods not related to a particular type of apparatus
    • F23B90/04—Combustion methods not related to a particular type of apparatus including secondary combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • 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
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air above the fire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/006—Arrangements for cleaning, e.g. soot removal; Ash removal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F24B5/021—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves combustion-air circulation
    • F24B5/023—Supply of primary air for combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F24B5/028—Arrangements combining combustion-air and flue-gas circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B7/00—Stoves, ranges or flue-gas ducts, with additional provisions for convection heating 
    • F24B7/02—Stoves, ranges or flue-gas ducts, with additional provisions for convection heating  with external air ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/20—Fuel flow guiding devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2209/00—Safety arrangements
    • F23D2209/10—Flame flashback
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/26—Biowaste
    • F23G2209/261—Woodwaste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/06—Solid fuel fired boiler
    • F24D2200/065—Wood fired boilers
    • F24D2200/067—Pellet fired boilers

Definitions

  • the present invention relates to a combustion apparatus, and more particularly, a wood boiler or a wood boiler using wood chips or wood pellets as a fuel. It is about.
  • incinerators for boilers, stoves, hot air fans or other combustible wastes have been used, which use wood chips from thin wood or waste wood, or wood pellets extruded in small lumps as fuel.
  • a boiler burns wood chips, wood pellets, or other combustible materials into the burner body to ignite and injects air, and if the air is not supplied enough, fuel is incompletely burned, soot is generated, and sufficient fire power is generated. There was a problem that can not get calories.
  • the air is strongly injected into the burner body to obtain sufficient heat or heat, the burner's fire power is increased, but the unburned or partially burned wood chips or wood pellets accumulated on the burner's grill are introduced into the burner.
  • the present invention has been proposed in view of the problems of the conventional wood boiler as described above, the present invention has a simple structure and is installed in a boiler or a stove, a hot air fan or an incinerator, such as wood chips or wood pellets, and other fuels efficiently It is to provide a combustion apparatus of a new structure that can be burned close to the complete combustion, to prevent the environmental pollution caused by soot and to obtain a strong fire power and heat value compared to the amount of fuel used.
  • the burner body 10 formed therein is a porous plate 12, the fuel is stacked, the fuel inlet 14 communicated with the upper side of the burner body 10 and the burner body
  • the first air supply part 18 communicating with the lower part of the porous plate 12 of 10 and supplying air, and the ignition part which is formed adjacent to the porous plate 12 of the burner body 10, and lights a fuel.
  • a flame discharge port 24 extending from the other side of the upper part of the burner body 10 and discharging the flame and heat according to the combustion, and extending laterally from the outer circumferential surface of the flame discharge port 24;
  • a second cylindrical cyclone portion 30 extending partially) and a second air supply portion communicating with one side of the circumferential portion of the cyclone portion 30 to supply outside air in a tangential direction to the cyclone portion 30.
  • a combustion apparatus is provided, comprising (32).
  • a portion of the cyclone portion 30 toward the burner body 10 toward the burner body 10 in the flame outlet 24 is provided with a tapered inner cylinder 34 for limiting the cross-sectional area of air flow.
  • a combustion apparatus is provided.
  • the fuel inlet 14 is formed extending in the shape of a tube, the middle of the tube-shaped fuel inlet 14 to prevent the backfire air inlet for injecting pressurized air toward the burner body 10 (A combustion apparatus is provided, characterized in that 15) is formed.
  • a fine through-hole 31 is formed on the outer circumferential surface of the cyclone portion 30 is provided with a combustion device characterized in that the ash generated after combustion is discharged.
  • the flame and the heat are discharged from the flame outlet 24.
  • the air is discharged from the first air supply unit 18, even though the air is blown hard at a high pressure from the first air supply unit 18, fuel particles, incomplete combustion products, or soot scattered from the fuel pile burned by this air flow cause the flame outlet 24 to be blown out.
  • the fuel particles, the incomplete combustion product or the soot are transferred to the cyclone unit 30 by centrifugal force generated by the swirling air flowing in the tangential direction from the second air supply unit 32 of the cyclone unit 30.
  • the tapered inner cylinder 34 is installed at the portion of the cyclone portion 30 facing the burner body 10 in the flame discharge port 24, the tapered inner cylinder 34 restricts the passage area of the air, and thus occurs in the cyclone portion 30.
  • the turning air is discharged is discharged to the outside of the flame discharge port 24 rather than flowing back toward the burner body 10, it is possible to smoothly discharge the flame and air through the flame discharge port (24).
  • the fuel inlet 14 is disposed in the shape of a tube and a flame prevention air inlet 15 is formed in the middle thereof, thereby injecting pressurized air toward the burner main body 10, whereby the flame in the burner main body 10 is discharged. Backfire through the fuel inlet 14 can be prevented.
  • a fine through hole 31 is formed on the outer circumferential surface of the cyclone part 30 so that ashes generated after the non-interchangeable combustion products captured in the cyclone part 30 are completely burned are discharged to the outside through the fine through hole 31.
  • the inside of the cyclone portion 30 can be prevented from being accumulated with ash.
  • Figure 3 is a state diagram applying the apparatus of the present invention to a hot air generator
  • FIG. 1 is an external view of a preferred embodiment of the present invention
  • FIG. 2 is a sectional view of the embodiment
  • FIG. 3 is a state diagram in which the apparatus of the present invention is applied to a hot air generator.
  • a perforated plate 12 is disposed in a substantially horizontal direction below the inner side of the burner body 10 in a case shape, and the outside of the perforated plate 12 is disposed outside.
  • the first air supply unit 18 through which air is introduced is formed.
  • the first air supply unit 18 is connected to a fan or blower (not shown) to supply air to the burner body 10.
  • the ignition part 20 is formed in the upper part of the said 1st air supply part 18 and just above the porous plate 12.
  • the ignition unit 20 is equipped with a suitable ignition means not shown, for example, a gas torch or an electric heater may be used as such ignition means.
  • a tubular fuel inlet 14 is formed at one upper side of the burner body 10.
  • the fuel inlet 14 may be configured in various forms, but the fuel inlet 14 and the burner main body may be used to easily inject small grains of fuel such as wood chips or wood pellets, and to prevent backfire. It is preferable to maintain the interval with 10, in consideration of this, the fuel inlet 14 is preferably manufactured in the form of a long tube.
  • the backfire prevention air inlet 15 is formed in the middle of the fuel inlet 14, and the backfire prevention air inlet 15 is connected to the burner body 10 with respect to the fuel inlet 14 and pressurized therethrough. By injecting air, the flame rises along the fuel inlet 14 in the burner body 10 to prevent backfire.
  • the other side of the burner body 10 is formed with a cylindrical flame outlet 24 extending upward in a substantially inclined direction.
  • the flame outlet 24 is to discharge the flame and heat generated by burning in the burner body 10 to the outside to supply directly to the required place or to guide the heat exchanger.
  • a short cylinder is formed in the middle of the flame discharge port 24, preferably in the shape of a disk of a predetermined thickness in the vicinity of the burner body 10, and extends radially from the outer circumferential surface of the flame discharge port 24.
  • the cyclone part 30 is provided. By the cyclone portion 30, the discharge cross-section of the flame discharge port 24 is extended by a short section.
  • a second air supply part 32 is formed at one side of the cyclone part 30 in tangential direction with respect to the cyclone part 30.
  • the second air supply part 32 is connected to a fan or blower to supply air of a strong flow. In this way, the air flow turning around the cyclone portion 30 is formed by the strong air flow introduced from the outside.
  • this cyclone portion 30 when burning fuel in the burner body 10, relatively from the first air supply unit 18 to supply a sufficient amount of air to the burner body 10 for complete combustion. Even when the air is supplied with a strong force, incomplete combustion products such as unburned fuel particles or partially burned fuel particles or soot in the burner main body 10 are lifted by this powerful air flow and escape to the flame outlet 24. In this case, the centrifugal force acts on the cyclone portion 30 by the cyclone formed by the air introduced into the cyclone portion 30 from the second air supply portion 32, thereby partially burning the gas.
  • Particles such as fuel or soot
  • Particles are not discharged to the flame discharge port 24 and are led to the outside of the cyclone part 30, ie, turned, and fresh air introduced from the outside by the second air supply part 32. Since enough oxygen is supplemented by so re-burned in the cyclone section 30, it is possible to complete combustion because of the re-combustion doemeuro the incomplete combustion product is not excreted unchanged.
  • the combustion apparatus of the present invention supplies sufficient air to the first air supply unit 18 with strong wind to increase the combustion efficiency in the burner body 10 and at the same time, fuel particles scattered by the cyclone unit 30. B. By capturing the incomplete combustion product and additionally supplying air through the second air supply unit 32 to burn again, it is possible to completely burn, but greatly reduce the emission of soot or dust to achieve an eco-friendly combustion device.
  • a tapered inner cylinder 34 is provided at the inlet side of the cyclone portion 30, that is, the portion facing the burner, to limit the cross-sectional area of the air flow.
  • the tapered inner cylinder 34 reduces the cross-sectional area of the air passage from the cyclone portion 30 toward the burner body 10 so that the swirling air flow formed by the cyclone portion 30 is reduced from the cyclone portion 30. When exiting, it flows back toward the burner body 10 to prevent the exhaust gas from being discharged from the burner body 10 and to induce it to be discharged to the outside of the flame outlet 24 more smoothly.
  • a fine through hole 31 is formed on the outer circumferential surface of the cyclone portion 30, which is incompletely burned by the air additionally supplied from the cyclone portion 30, and the remaining ash is recycled to the cyclone portion 30. It does not accumulate inside, and it is made to discharge
  • the fuel inlet 14 extends in the shape of a tube, and in the middle of the tube-shaped fuel inlet 14, a backfire prevention air inlet 15 is formed to communicate obliquely toward the burner body 10.
  • a backfire prevention air inlet 15 is formed to communicate obliquely toward the burner body 10.
  • combustion device 2 according to the present invention is applied to the hot air blower 1.
  • the heat from this combustion apparatus 2 is supplied to the required receiving place via the heat exchanger 4 which consists of fin tubes.
  • Combustion apparatus according to the present invention can be used for a variety of purposes, such as a boiler or stove in addition to such a hot air fan.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid-Fuel Combustion (AREA)
  • Air Supply (AREA)
PCT/KR2011/007335 2011-07-29 2011-10-05 연소장치 WO2013018954A1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US14/234,428 US20140158108A1 (en) 2011-07-29 2011-10-05 Combustion device
EP11870296.8A EP2738459A4 (de) 2011-07-29 2011-10-05 Verbrennungsvorrichtung
JP2014522725A JP2014524006A (ja) 2011-07-29 2011-10-05 燃焼装置
CN201180072427.7A CN103703315A (zh) 2011-07-29 2011-10-05 燃烧装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20110075700A KR101185034B1 (ko) 2011-07-29 2011-07-29 버너
KR10-2011-0075700 2011-07-29

Publications (1)

Publication Number Publication Date
WO2013018954A1 true WO2013018954A1 (ko) 2013-02-07

Family

ID=47113970

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/007335 WO2013018954A1 (ko) 2011-07-29 2011-10-05 연소장치

Country Status (6)

Country Link
US (1) US20140158108A1 (de)
EP (1) EP2738459A4 (de)
JP (1) JP2014524006A (de)
KR (1) KR101185034B1 (de)
CN (1) CN103703315A (de)
WO (1) WO2013018954A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101312016B1 (ko) 2011-12-19 2013-10-14 (주)한성고주파 연소장치
CN103528084B (zh) * 2013-10-30 2016-01-20 艾治文 自身预热式高温氧化排烟罩
JP6497580B2 (ja) * 2015-02-13 2019-04-10 島根県 熱源機器
CN107328099B (zh) * 2017-08-17 2023-09-15 成都佳达农业科技发展有限公司 生物质热风炉以及全自动生物质热风炉

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JP2005155982A (ja) * 2003-11-25 2005-06-16 Wako Kikai Kogyo Kk 燃焼炉
JP2007178057A (ja) * 2005-12-28 2007-07-12 Kaneko Agricult Mach Co Ltd バイオマス燃料給湯器
KR100765689B1 (ko) * 2007-05-14 2007-10-12 채혁 목재칩 또는 펠릿을 연료로 하는 안전 버너

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JP2007178057A (ja) * 2005-12-28 2007-07-12 Kaneko Agricult Mach Co Ltd バイオマス燃料給湯器
KR100765689B1 (ko) * 2007-05-14 2007-10-12 채혁 목재칩 또는 펠릿을 연료로 하는 안전 버너

Also Published As

Publication number Publication date
JP2014524006A (ja) 2014-09-18
EP2738459A4 (de) 2015-04-15
CN103703315A (zh) 2014-04-02
US20140158108A1 (en) 2014-06-12
EP2738459A1 (de) 2014-06-04
KR101185034B1 (ko) 2012-09-21

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