WO2017170735A1 - Système d'alimentation d'objet à brûler - Google Patents

Système d'alimentation d'objet à brûler Download PDF

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Publication number
WO2017170735A1
WO2017170735A1 PCT/JP2017/012995 JP2017012995W WO2017170735A1 WO 2017170735 A1 WO2017170735 A1 WO 2017170735A1 JP 2017012995 W JP2017012995 W JP 2017012995W WO 2017170735 A1 WO2017170735 A1 WO 2017170735A1
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WO
WIPO (PCT)
Prior art keywords
supply
combustion object
furnace
combustion
gas
Prior art date
Application number
PCT/JP2017/012995
Other languages
English (en)
Japanese (ja)
Inventor
一芳 伊藤
Original Assignee
住友重機械工業株式会社
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 住友重機械工業株式会社 filed Critical 住友重機械工業株式会社
Priority to MYPI2018702884A priority Critical patent/MY193470A/en
Publication of WO2017170735A1 publication Critical patent/WO2017170735A1/fr
Priority to PH12018501820A priority patent/PH12018501820A1/en

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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
    • F23B40/02—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed by scattering over the fuel-supporting surface
    • 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

Definitions

  • the present invention relates to a combustion object supply system.
  • a furnace described in Patent Document 1 is known as a furnace for burning fuel.
  • fuel such as biomass fuel, which is an organic resource derived from animals and plants excluding fossil resources, is burned in a combustion furnace.
  • a combustion object supply system that supplies fuel as a combustion object to such a furnace is provided.
  • the combustion object when supplying the combustion object to the furnace, the combustion object may burn at a position different from the desired position in the furnace. Therefore, there has been a demand for a combustion object supply system that can burn a combustion object at a desired combustion position.
  • This invention was made in order to solve the above-mentioned subject, and it aims at providing the combustion target supply system which can burn a combustion target in a desired combustion position.
  • a combustion object supply system is a combustion object supply system that supplies a combustion object into a furnace that burns the combustion object, and combusts toward the furnace.
  • a combustion object supply unit that supplies the object, and a supply position adjustment mechanism that adjusts a supply position of the combustion object in the furnace.
  • This combustion object supply system includes a supply position adjustment mechanism that adjusts the supply position of the combustion object in the furnace in addition to the combustion object supply unit that supplies the combustion object to the furnace.
  • the supply position adjustment mechanism may include a gas supply unit, and adjust the supply position by applying a gas force supplied from the gas supply unit to the combustion object.
  • the supply position of the combustion object can be adjusted with a simple configuration that only supplies gas. Since what is supplied is a gas, it does not interfere with combustion. Further, when air is used as the gas, it can be effectively used as combustion air.
  • the gas supply angle when the supply angle to the furnace by the combustion object supply unit is compared with the gas supply angle by the gas supply unit, the gas supply angle may be an upward angle.
  • the gas supply angle provided by the gas supply unit is set to be higher than the supply angle provided by the combustion target supply unit, thereby imparting a horizontal movement force to the combustion target supplied into the furnace. Can do.
  • the combustion object supply unit includes a combustion object supply path through which the combustion object passes, and the gas supply unit includes a gas supply path through which the gas passes.
  • the combustion object supply path and the gas An intersection where the supply path intersects may be set, and the intersection may be set at a position closer to the furnace than the base end portion of the combustion object supply path.
  • the intersection may be set on the wall of the furnace or inside the furnace.
  • the object to be burned can be burned at a desired combustion position.
  • FIG. 1 is a schematic configuration diagram illustrating a combustion system including a combustion object supply system according to the present embodiment.
  • FIG. 2 is a cross-sectional view showing a detailed configuration of the combustion object supply system.
  • FIG. 1 is a schematic configuration diagram illustrating a combustion system including a combustion object supply system according to the present embodiment.
  • the combustion system 100 includes a furnace 1 that burns a combustion object, and a combustion object supply system 10 that supplies the combustion object into the furnace 1.
  • the type of the furnace 1 is not particularly limited, and any type of furnace may be applied.
  • the kind of combustion target object is not specifically limited, You may apply all types of fuel. Examples of combustion objects include fuels such as biomass fuel, coal, wood, RPF, and TDF.
  • FIG. 2 is an enlarged view of the combustion object supply system 10.
  • the combustion object supply system 10 includes a combustion object supply unit 2 and a supply position adjustment mechanism 3.
  • the combustion object supply unit 2 is a part that supplies the combustion object toward the furnace 1.
  • the combustion object supply unit 2 includes a combustion object supply path 6 through which the combustion object passes.
  • the combustion object supply path 6 is configured by a pipe extending from the base end portion 6 a outside the furnace 1 and connected to the furnace 1.
  • the combustion object supply path 6 is configured to extend downward from the base end portion 6 a and obliquely downward toward the furnace 1 at a midway position.
  • the configuration of the supply path 6 is not particularly limited, and may be set to any shape and length.
  • the base end portion 6a of the combustion object supply path 6 is connected to a supply source of the combustion object (not shown). The details of the positional relationship between the combustion object supply unit 2 and the supply position adjusting mechanism 3 will be described later.
  • the supply position adjustment mechanism 3 is a mechanism that adjusts the supply position of the combustion object in the furnace 1.
  • the supply position adjusting mechanism 3 applies the force to the combustion object at the timing upstream of the furnace 1, at the time of entering the furnace 1, and at the timing after entering the furnace 1, thereby
  • the supply position in the furnace 1 can be adjusted. For example, when no force is applied, if the combustion object supplied from the combustion object supply unit 2 is supplied as it is into the furnace 1, it immediately falls near the side wall part 5 of the furnace 1 as indicated by the supply position PG ⁇ b> 2.
  • the supply position adjusting mechanism 3 applies a predetermined force to the combustion object from the combustion object supply unit 2 in the internal space of the furnace 1 as indicated by the supply position PG1.
  • the combustion object can be supplied to a position separated from the side wall 5.
  • the suitable position of the attachment position of the combustion object supply system 10 with respect to the furnace 1 and the supply position of the combustion object adjusted by the supply position adjusting mechanism 3 will be described.
  • You may set the combustion position of a combustion target object suitably.
  • the positions of the combustion object supply unit 2 and the supply position adjusting mechanism 3 in the height direction of the furnace 1 may be set as appropriate.
  • the supply position adjusting mechanism 3 preferably supplies fuel toward a position near the center in the internal space of the furnace 1. Note that one combustion object supply system 10 may be provided for the furnace 1 or a plurality of combustion object supply systems 10 may be provided.
  • a plurality of combustion object supply systems 10 may be provided at the same position in the height direction and at different positions in the horizontal direction, or may be provided at the same position in the horizontal direction and different positions in the height direction. It may be provided, and a plurality may be provided at different positions in the height direction and the horizontal direction. 2 illustrates the structure in which the combustion object supply system 10 is provided in a portion extending in the vertical direction of the side wall portion 5, but the side wall portion 5 is inclined with respect to the vertical direction.
  • the combustion object supply system 10 may be provided in the part.
  • the supply position adjusting mechanism 3 includes a gas supply unit 7.
  • the supply position adjustment mechanism 3 adjusts the supply position of the combustion object in the furnace 1 by applying the force of the gas supplied from the gas supply unit 7 to the combustion object.
  • the gas supply unit 7 includes a gas supply source 8 configured by a pump, a blower, or the like, and a gas supply path 9 through which the gas passes.
  • the gas supply path 9 is connected to the gas supply source 8 on the proximal end side and is connected to the side wall portion 5 of the furnace 1 on the distal end side.
  • the gas supply unit 7 may supply air, oxygen, combustion exhaust gas, or the like as a gas. Note that the gas supply amount of the gas supply passage 9 may be appropriately set depending on the supply amount and weight of the combustion target object from the combustion target supply passage 6.
  • the combustion object supply path 6 and the gas supply path 9 intersect each other at a position on the furnace 1 side.
  • the combustion object supply path 6 is connected to the vicinity of the tip of the gas supply path 9. That is, the combustion object supply path 6 extends from obliquely upward to the vicinity of the tip of the gas supply path 9 that extends from the gas supply source 8 toward the furnace 1 and is connected to the side wall 5. It is connected to 9 tube walls.
  • the gas supply path 9 and the combustion object supply path 6 are in communication with each other.
  • the central axis of the gas supply path 9 is “CL1”
  • the central axis of the combustion object supply path 6 is “CL2”
  • the horizontal line set in the horizontal direction is “HL”
  • the combustion object supply path 6 The positional relationship of each component when the intersection at which the gas supply path 9 intersects is “MP” will be described.
  • the intersection MP is set at the intersection of the central axis CL1 of the gas supply path 9 and the central axis CL2 of the combustion object supply path 6.
  • intersection angle between the gas supply path 9 and the combustion object supply path 6 is defined as “ ⁇ 1”.
  • the intersection angle ⁇ 1 is an angle formed by the central axis CL1 and the central axis CL2 at the intersection MP when viewed from the horizontal direction.
  • the intersection angle ⁇ 1 may be set to 0 ° to 90 °.
  • the crossing angle ⁇ 1 may be appropriately set depending on the size of the furnace 1, the handling in front of the furnace, the space, and the like.
  • the gas supply path 9 and the combustion object supply path 6 form a predetermined angle when viewed from above and below, and the combustion object
  • the supply path 6 is connected to the side of the gas supply path 9.
  • the angle of the combustion object supply passage 6 with respect to the horizontal direction is “ ⁇ 2”.
  • the angle ⁇ 2 is an angle formed by the central axis CL2 of the combustion object supply path 6 and the horizontal line HL at the intersection MP.
  • this angle ⁇ 2 may be regarded as a supply angle of the combustion object to the furnace 1 by the combustion object supply unit 2.
  • the combustion object is supplied into the furnace 1 from the tip end portion 9a of the gas supply path 9 on the downstream side from the intersection MP.
  • “the supply angle of the combustion object to the furnace 1” Is the upstream side of the intersection MP and corresponds to the angle ⁇ 2 of the combustion object supply path 6 in the vicinity of the intersection MP.
  • the angle ⁇ 2 may be appropriately set depending on the size of the furnace 1, the handling in front of the furnace, the space, and the like.
  • the angle of the gas supply path 9 with respect to the horizontal direction is “ ⁇ 3”.
  • the angle ⁇ 3 is an angle formed by the central axis CL1 of the gas supply path 9 and the horizontal line HL at the intersection MP.
  • the angle ⁇ 3 may be appropriately determined depending on the size of the furnace 1, the handling in front of the furnace, the space, and the like.
  • this angle ⁇ 3 may be regarded as a gas supply angle to the furnace 1 by the gas supply unit 7.
  • the gas supply path 9 may face diagonally upward with respect to the horizontal direction.
  • the gas supply angle may be an upward angle.
  • “the gas supply angle is an upward angle” means that when the gas supply path 9 is directed downward, the angle with respect to the horizontal direction is shallower than the combustion object supply path 6 (from the angle ⁇ 2). It indicates a state where the angle ⁇ 3 is small) or a state where the gas supply path 9 faces upward (when the angle ⁇ 3 is negative).
  • the intersection MP is set at a position closer to the furnace 1 than the base end portion 6a of the combustion object supply path 6 (see FIG. 1).
  • the intersection MP is Arranged on the side wall 5 side of the furnace 1.
  • the intersection MP may be arranged at the position of the side wall 5 of the furnace 1 or may be arranged inside the furnace 1 (space inside the side wall 5). In the form shown in FIG.
  • the intersection MP is arranged at the position of the side wall 5 of the furnace 1 because it is arranged inside the thickness dimension of the side wall 5. Note that, when the intersection MP is disposed in the furnace 1, a part of the combustion object supply path 6 and the gas supply path 9 penetrates the side wall portion 5 and protrudes into the internal space of the furnace 1. Further, the intersection MP may be arranged outside the furnace 1 by connecting the combustion object supply path 6 to the gas supply path 9 at a position separated from the side wall of the furnace 1 to the outside.
  • the combustion object supply path and the gas for a purpose different from the present invention (for example, when the main object is to mix the combustion object and gas).
  • the “supply position adjusting mechanism” in this specification is used. Shall not fall under.
  • the “supply position adjusting mechanism” according to the present embodiment gives the combustion object a force that contributes to the horizontal velocity component of the combustion object when the combustion object is supplied into the furnace 1. Is.
  • the combustion object supply system 10 includes a supply position adjustment mechanism 3 that adjusts the supply position of the combustion object in the furnace 1 in addition to the combustion object supply unit 2 that supplies the combustion object into the furnace 1. .
  • a supply position adjustment mechanism 3 that adjusts the supply position of the combustion object in the furnace 1 in addition to the combustion object supply unit 2 that supplies the combustion object into the furnace 1. .
  • the supply position adjustment mechanism 3 includes a gas supply unit 7.
  • the supply position is adjusted by applying a gas force supplied from the gas supply unit 7 to the combustion object.
  • the supply position of the combustion object can be adjusted with a simple configuration that only supplies gas.
  • the structure may be complicated, the force may be difficult to adjust, or clogging may occur in the piping.
  • these problems do not occur when gas is used.
  • what is supplied is gas, it does not interfere with combustion.
  • the air for combustion in the furnace 1 and the air for supply position adjustment can be combined.
  • the gas supply angle is an upward angle.
  • the combustion object supply unit 2 includes a combustion object supply path 6 through which the combustion object passes. Moreover, the gas supply part 7 is provided with the gas supply path 9 which lets gas pass. An intersection MP where the combustion object supply path 6 and the gas supply path 9 intersect is set, and the intersection MP is set closer to the furnace 1 than the base end portion 6a of the combustion object supply path 6.
  • the intersection MP is set in the side wall 5 of the furnace 1 or inside the furnace 1.
  • the present invention is not limited to the embodiment described above.
  • the positional relationship between the combustion object supply path 6 and the gas supply path 9 is not limited to the above-described embodiment, and the gas supply path 9 is connected to the combustion object supply path 6 from above. It may be a configuration.
  • the supply position adjusting mechanism is not limited to the configuration using the gas supply unit, and may be one that applies mechanical force to the combustion object, such as a conveyor device, a rotation device, or a pusher.
  • the combustion object is accelerated by passing through a passage that forms a steep angle with respect to the horizontal direction, and then passes through a passage that forms a shallow angle with respect to the horizontal direction, thereby moving toward the furnace 1 in the horizontal direction.
  • a mechanism that scatters may be adopted as the supply position adjustment mechanism.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

L'invention concerne un système d'alimentation d'un objet à brûler, le système alimentant un objet à brûler à un four destiné à brûler l'objet à brûler, et comprenant : une partie d'alimentation de l'objet à brûler destinée à alimenter l'objet à brûler au four ; et un mécanisme de réglage de position d'alimentation destiné à régler la position, dans le four, de l'alimentation de l'objet à brûler.
PCT/JP2017/012995 2016-03-30 2017-03-29 Système d'alimentation d'objet à brûler WO2017170735A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MYPI2018702884A MY193470A (en) 2016-03-30 2017-03-29 Combustion object supply system
PH12018501820A PH12018501820A1 (en) 2016-03-30 2018-08-24 Combustion object supply system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-068393 2016-03-30
JP2016068393A JP6875069B2 (ja) 2016-03-30 2016-03-30 燃焼対象物供給システム

Publications (1)

Publication Number Publication Date
WO2017170735A1 true WO2017170735A1 (fr) 2017-10-05

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ID=59965685

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Application Number Title Priority Date Filing Date
PCT/JP2017/012995 WO2017170735A1 (fr) 2016-03-30 2017-03-29 Système d'alimentation d'objet à brûler

Country Status (5)

Country Link
JP (1) JP6875069B2 (fr)
MY (1) MY193470A (fr)
PH (1) PH12018501820A1 (fr)
TW (1) TWI629435B (fr)
WO (1) WO2017170735A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR872463A (fr) * 1940-10-22 1942-06-10 Appareil mécanique pour le chargement et la répartition du charbon sur une grille de foyer
CH328362A (de) * 1953-10-26 1958-03-15 Prvni Brnenska Strojirna Vorfeuerung an einer Feuerungseinrichtung mit mechanischem Rost
US3669502A (en) * 1971-01-05 1972-06-13 Simpson Timber Co Pneumatic spreader stoker
JPS59229107A (ja) * 1983-04-01 1984-12-22 コンバツシヨン・エンヂニアリング・インコ−ポレ−テツド 炉
US4528917A (en) * 1983-07-05 1985-07-16 Northwest Iron Fireman, Inc. Solid fuel burner
US20140305357A1 (en) * 2013-04-11 2014-10-16 Babcock & Wilcox Power Generation Group, Inc. Dual phase fuel feeder for boilers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6187315B2 (ja) * 2014-02-28 2017-08-30 三菱マテリアル株式会社 流動仮焼炉
CN103953923B (zh) * 2014-05-04 2016-02-10 四川省宜宾惠美线业有限责任公司 一种播煤装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR872463A (fr) * 1940-10-22 1942-06-10 Appareil mécanique pour le chargement et la répartition du charbon sur une grille de foyer
CH328362A (de) * 1953-10-26 1958-03-15 Prvni Brnenska Strojirna Vorfeuerung an einer Feuerungseinrichtung mit mechanischem Rost
US3669502A (en) * 1971-01-05 1972-06-13 Simpson Timber Co Pneumatic spreader stoker
JPS59229107A (ja) * 1983-04-01 1984-12-22 コンバツシヨン・エンヂニアリング・インコ−ポレ−テツド 炉
US4528917A (en) * 1983-07-05 1985-07-16 Northwest Iron Fireman, Inc. Solid fuel burner
US20140305357A1 (en) * 2013-04-11 2014-10-16 Babcock & Wilcox Power Generation Group, Inc. Dual phase fuel feeder for boilers

Also Published As

Publication number Publication date
JP2017180949A (ja) 2017-10-05
TW201734366A (zh) 2017-10-01
PH12018501820A1 (en) 2019-06-17
MY193470A (en) 2022-10-14
JP6875069B2 (ja) 2021-05-19
TWI629435B (zh) 2018-07-11

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