WO2016024328A1 - Dispositif de combustion - Google Patents

Dispositif de combustion Download PDF

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Publication number
WO2016024328A1
WO2016024328A1 PCT/JP2014/071300 JP2014071300W WO2016024328A1 WO 2016024328 A1 WO2016024328 A1 WO 2016024328A1 JP 2014071300 W JP2014071300 W JP 2014071300W WO 2016024328 A1 WO2016024328 A1 WO 2016024328A1
Authority
WO
WIPO (PCT)
Prior art keywords
rooster
rotating
fuel
fixed
clinker
Prior art date
Application number
PCT/JP2014/071300
Other languages
English (en)
Japanese (ja)
Inventor
鈴木　博
正人 青島
Original Assignee
二光エンジニアリング株式会社
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 二光エンジニアリング株式会社 filed Critical 二光エンジニアリング株式会社
Priority to JP2015510564A priority Critical patent/JP5740545B1/ja
Priority to PCT/JP2014/071300 priority patent/WO2016024328A1/fr
Priority to MDA20160113A priority patent/MD20160113A2/ro
Publication of WO2016024328A1 publication Critical patent/WO2016024328A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • F23B40/04—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed from below through an opening in the fuel-supporting surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/10—Under-feed arrangements
    • F23K3/14—Under-feed arrangements feeding by screw

Definitions

  • the present invention relates to a combustion apparatus for burning a solid fuel in which crushed materials such as wood are formed into pellets or lumps.
  • one end of the transport plate is arranged at the position of one end (opening) of the transport cylinder, and the wood pellet is subjected to a lateral transport force due to the rotation of the transport plate.
  • the transport cylinder is displaced laterally with respect to the lateral center of the rooster part so that the wood pellets are spread evenly in the lateral direction.
  • an object of the present invention is to provide a pelletized fuel combustion apparatus capable of improving the combustion state of a solid fuel such as pellets by suppressing the accumulation of combustion debris and the generation of clinker in the rooster part.
  • Another object of the present invention is to provide a combustion apparatus that prevents clinker such as combustion residue after combustion from solidifying and staying firmly in the rooster part, and is excellent in combustibility and maintainability.
  • a combustion apparatus includes a fuel transport unit in which pellet-like or lump solid fuel is pushed and transported in the horizontal direction by rotation of a spiral fuel feed shaft provided therein, and the fuel feed
  • a fuel discharge part of the fuel transfer part formed by opening vertically upward from the shaft tip part side, a rooster part attached to the fuel discharge part and the solid fuel being pushed up and burned through the opening part,
  • the rooster portion is a substantially conical fixed rooster attached to the fuel discharge portion, a rotary rooster that is rotatably disposed on the upper peripheral edge of the fixed rooster, and a rooster rotary blade that rotates the rotary rooster.
  • Has A rotating rooster claw projecting in the center direction is formed inside the rotating rooster, and a fixed rooster claw partially protruding upward is formed on the fixed rooster, along with the rotation of the rotating rooster by the rooster rotary blade.
  • the combustion apparatus of the present invention is the combustion apparatus according to (1), wherein the rooster rotor blades that rotate the rotary rotor are rotating blades attached to the tip of the rotary shaft of the fuel feed shaft of the fuel transfer section.
  • the rotary rooster is rotated on the fixed rooster by pushing and rotating the rotary rooster hook provided at the lower portion of the rooster.
  • the combustion apparatus of the present invention is the combustion apparatus according to the above (1) or (2), wherein the clinker removing apparatus includes a vertical bar fixed to a rotating rooster and extending upward, and a vertical bar extending horizontally from a tip of the vertical bar.
  • the opening part of the rooster part is not blocked by a clinker such as combustion residue.
  • the combustibility can be kept constant at all times, and the maintainability is excellent.
  • a clinker removing device is provided on the rotating rooster, it prevents the clinker from growing and sticking to a certain size or more on the rooster, so that solid fuel such as pellets burned on the rooster can be obtained. It can be maintained properly at all times.
  • FIG. 1 is a schematic perspective view of a combustion apparatus according to an embodiment of the present invention. It is an expansion perspective view of a rooster part. It is a disassembled perspective view of a rooster part. It is a schematic explanatory drawing of a clinker removal apparatus. It is explanatory sectional drawing of a fuel conveyance part. (A) It is explanatory sectional drawing explaining the fuel conveyance state in a rooster part. (B) It is explanatory drawing explaining the rotational drive mechanism which rotates a rotation rooster. It is a schematic sectional drawing explaining the usage condition of the combustion apparatus which concerns on embodiment of this invention.
  • the combustion apparatus 10 of the present embodiment is provided with pellet-like or massive solid fuel therein.
  • a fuel transport unit 11 that is pushed and transported in the horizontal direction by the rotation of the spiral fuel feed shaft;
  • a fuel discharge unit 12 of the fuel transport unit that is formed to open vertically upward from the front end of the fuel feed shaft;
  • a rooster part 13 attached to the fuel discharge part 12 and solid fuel is pushed up through the opening and burned.
  • the rooster 13 is an abbreviation provided with a base 12a attached to a fuel discharge part 12 opened upward on the front side of the fuel transport part 11, and an opening 13a fixed on the base 12a and through which solid fuel is pushed up.
  • a conical fixed rooster 13d and a rotating rooster 13e that is rotatably mounted on the fixed rooster 13d are provided.
  • the rooster portion 13 is made of a heat-resistant casting or the like formed in a substantially conical shape as a whole, and has an opening portion 13a having an opening through which the solid fuel pushed up from the fuel transport portion 11 passes. Since the top portion of the rooster portion 13 has a substantially conical shape directed upward, the area of the combustion portion provided with the air holes 13f can be widened, and the clinker is formed along the inclined surface 13k forming the combustion portion. Combustion can be continued while dropping outward.
  • the clinker refers to a solidified product of combustion ash.
  • the rooster part 13 is provided with the rooster rotary blade
  • the rooster rotary blade 20 includes a rotary vane 21 attached to the tip of the shaft portion 11c of the fuel feed shaft of the fuel transport unit 11, and a rotary rooster hook 13c provided below the rotary rooster 13e. Is done.
  • the rotary blade 21 is a rod-like rotary body that is coaxially fixed to the tip end side of the fuel feed shaft 11b, and the tip of the rotary blade 21 that rotates in synchronization with the fuel feed shaft 11b abuts against the side wall of the rotary rooster hook 13c.
  • the rotation rooster 13e is rotated on the fixed rooster 13d by a predetermined angle. That is, the rotary vane 21 rotates the rotary rooster 13e on the fixed rooster by pushing around a plurality of rotary rooster hooks 13c arranged at equal intervals around the lower circumferential portion of the rotary rooster 13e formed in a conical shape.
  • FIG. 3 An exploded perspective view of the rooster part of FIG. 3, a schematic explanatory view of the clinker removing device of FIG. 4, an explanatory cross-sectional view of the fuel transfer part of FIG. 5, and an explanatory cross-section for explaining the fuel transfer state in the rooster part of FIG.
  • the clinker removing device will be described with reference to the explanatory diagram of the rotational drive mechanism for rotating the rotational rooster in FIG.
  • a clinker removing device 30 that rotates together with the rotating rooster 13 e is fixed to the upper portion of the rooster portion 13, and the crushed small pieces are removed from the outer peripheral edge of the rooster portion 13.
  • the clinker removing device 30 includes a vertical bar 31 fixed to the rotating rooster 13e and extending upward, a first horizontal bar 32 extending horizontally from the tip of the vertical bar, and an angle from the tip of the first horizontal bar 32. And a second horizontal bar 33 extending horizontally.
  • a member for removing the clinker of the fixed rooster 13d is suspended from the second horizontal bar 33 and attached thereto. That is, the clinker removing member 34 is attached to the tip of the second horizontal bar 33 (in the direction of the outer edge of the fixed rooster) as the first member, and the clinker removing plate 35 near the attachment position of the first horizontal bar as the second member. Is attached.
  • the clinker removing member 34 plays a role of stirring the clinker fixed and staying on the fixed rooster 13d, and the clinker removing plate 35 discharges the mixed clinker from the outer edge of the fixed rooster 13d to remove the clinker of the fixed rooster 13d. To play a role. As described above, since the clinker removing device 30 is provided on the rotating rooster 13e, the clinker adhering and staying on the fixed rooster 13d after the solid fuel burns is crushed and discharged, and the continuous combustion of the solid fuel is stabilized. Can be maintained.
  • the fuel transport unit 11 rotates the fuel feed shaft 11b to push up the solid fuel from the back side of the rooster portion 13, the solid fuel is raised on the upper surface of the fixed rooster 13d.
  • the flow of solid fuel that passes through the flank keeps the flammability constant at all times without being clogged by the clinker or unburned matter adhering to the opening 13a, and maintenance for the cleaning of the rooster portion 13, etc. Can be omitted.
  • the fuel transport unit 11 includes a fuel feed shaft 11b provided with a screw blade made of steel or the like at the center of the substantially cylindrical container, and a drive unit such as an electric motor 22 that drives the fuel feed shaft 11b. It has a fuel hopper 17 or the like continuously provided on the base end side of the cylindrical container, and operations such as supply of solid fuel supplied to the rooster part 13 by a control unit connected to the drive unit, supply amount, on / off operation, etc. Can be controlled.
  • the combustion apparatus of the present embodiment controls the supply amount of the solid fuel supplied to the rooster portion 13 based on the detection signal of the thermosensor 25 provided in the can body 23, ON / OFF control of the combustion state on the rooster 13 can also be performed.
  • a backfire prevention thermosensor 29 may be provided to provide a backfire prevention function. In this case, a backfire prevention thermosensor 29 is provided on the upstream end side of the cylindrical casing 11a in the fuel transfer section 11, and the backfire prevention is performed when the seed fire on the rooster section 13 moves into the cylindrical casing 11a.
  • the thermosensor 29 detects a specified temperature or higher, rotates the fuel feed shaft 11b based on the detection signal from the backfire prevention thermosensor 29, pushes up the fuel to the rooster portion 13, and feeds and burns combustion air. Backfire can be prevented.
  • the backfire prevention thermosensor 29 it is possible to prevent the fire from being transferred to the fuel hopper 17 connected to the fuel transfer unit 11 or the fuel feed shaft 11b from being damaged by heat.
  • a combustion apparatus with excellent safety can be provided. By controlling such a combustion state, continuous operation can be performed easily and safely, and the operating efficiency can be greatly improved.
  • the combustion apparatus 10 shown in FIG. 1 is built in so as to be able to be taken in and out, a combustion chamber 14 for burning solid fuel to generate combustion gas, and the combustion gas is supplied to the cylindrical gas flow path. It is also possible to provide a smoke pipe section 15 that is subjected to heat exchange with gas or water flowing around the outside and discharged to the outside. As a result, the combustion heat in the rooster portion 13 can be efficiently recovered and heat recovery is excellent, and the rooster portion 13 is pulled out from the combustion chamber 14 and can be easily cleaned and maintained in a large space. Is excellent.
  • the combustion chamber 14 is formed in a cylindrical container shape or the like, and the solid fuel on the rooster portion 13 is burned in a predetermined combustion state.
  • the smoke pipe section 15 is composed of a large number of pipe pipes 15a, and high-temperature combustion gas generated in the combustion chamber 14 is supplied to the cylindrical gas flow path of the pipe pipe 15a, and water and gas supplied to the outside of the pipe pipes. To be able to heat.
  • the combustion apparatus of the present invention can improve the combustion state of solid fuel such as pellets by suppressing the generation and accumulation of clinker in the rooster part, and the clinker such as combustion debris after combustion solidifies and adheres to the rooster part It has high flammability and maintainability, so it has high industrial applicability.
  • Combustion device 11 Fuel transfer section 11a: Cylindrical casing 11b: Fuel feed shaft 11c: Shaft section 12: Fuel discharge section 12a: Base 13: Rooster section 13a: Opening section 13c: Rotating rooster hook 13d: Fixed rooster 13e: Rotating rooster 13f: Air hole 13k: Inclined surface 14: Combustion chamber 15: Smoke pipe portion 15a: Pipe pipe 17: Fuel hopper 18: Blower 20: Rooster rotor blade 21: Rotating blade 22: Electric motor 23: Can body 25: Thermo sensor 26: Rotating rooster claw 27: Fixed rooster claw 28: Clearance 29: Backfire prevention thermosensor 30: Clinker removal device 31: Vertical bar 32: First horizontal bar 33: Second horizontal bar 34: Clinker removal member 35: Clinker removal Board

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  • 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)

Abstract

Le problème décrit par la présente invention est de fournir un dispositif de combustion pour un combustible en granulés, le dispositif étant apte à supprimer l'accumulation ou la génération de scories dans une partie de grille et d'améliorer un état de combustion d'un combustible solide possédant une forme de granulés ou similaire. La solution selon la présente invention consiste en un dispositif comprenant une partie de transport de combustible 11 qui transport un combustible solide, une partie d'évacuation de combustible 12 qui s'ouvre verticalement vers le haut, et une partie de grille 13 qui brûle le combustible solide. La partie de grille comporte une grille conique fixe 13d, une grille rotative 13e qui est disposée de manière rotative sur une partie supérieure du bord périphérique de la grille fixe, et une pale rotative de grille 20 qui fait tourner la grille rotative. Les scories sont intercalées et pulvérisées en petites pièces par une griffe de grille rotative 26 formée sur l'intérieur de la grille rotative et une griffe de grille fixe 27 qui fait saillie vers le haut à partir de la grille fixe, et les petites pièces sont éliminées du bord périphérique externe de la partie de grille par un dispositif d'élimination de scories qui tourne conjointement avec la grille rotative.
PCT/JP2014/071300 2014-08-12 2014-08-12 Dispositif de combustion WO2016024328A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2015510564A JP5740545B1 (ja) 2014-08-12 2014-08-12 燃焼装置
PCT/JP2014/071300 WO2016024328A1 (fr) 2014-08-12 2014-08-12 Dispositif de combustion
MDA20160113A MD20160113A2 (ro) 2014-08-12 2014-08-12 Aparat de combustie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/071300 WO2016024328A1 (fr) 2014-08-12 2014-08-12 Dispositif de combustion

Publications (1)

Publication Number Publication Date
WO2016024328A1 true WO2016024328A1 (fr) 2016-02-18

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ID=53534157

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/071300 WO2016024328A1 (fr) 2014-08-12 2014-08-12 Dispositif de combustion

Country Status (3)

Country Link
JP (1) JP5740545B1 (fr)
MD (1) MD20160113A2 (fr)
WO (1) WO2016024328A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210156657A (ko) * 2020-06-18 2021-12-27 대한민국(농촌진흥청장) 클링커 제거장치를 포함하는 연소로

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU183126U1 (ru) * 2018-06-07 2018-09-11 Общество с ограниченной ответственностью Торгово-промышленная компания "Красноярскэнергокомплект" Устройство подачи топлива с поворотной ретортной горелкой

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007107845A (ja) * 2005-10-14 2007-04-26 Yamamoto Co Ltd 燃焼装置
KR20090121439A (ko) * 2008-05-22 2009-11-26 일도바이오테크주식회사 고체연료 연소기용 연소재 제거링

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0324963Y2 (fr) * 1985-05-09 1991-05-30
JP2004293828A (ja) * 2003-03-25 2004-10-21 Mdn:Kk 燃焼装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007107845A (ja) * 2005-10-14 2007-04-26 Yamamoto Co Ltd 燃焼装置
KR20090121439A (ko) * 2008-05-22 2009-11-26 일도바이오테크주식회사 고체연료 연소기용 연소재 제거링

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210156657A (ko) * 2020-06-18 2021-12-27 대한민국(농촌진흥청장) 클링커 제거장치를 포함하는 연소로
KR102387418B1 (ko) * 2020-06-18 2022-04-15 대한민국 클링커 제거장치를 포함하는 연소로

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Publication number Publication date
JP5740545B1 (ja) 2015-06-24
JPWO2016024328A1 (ja) 2017-04-27
MD20160113A2 (ro) 2017-03-31

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