WO1998033014A1 - Incinerateur - Google Patents

Incinerateur Download PDF

Info

Publication number
WO1998033014A1
WO1998033014A1 PCT/JP1998/000226 JP9800226W WO9833014A1 WO 1998033014 A1 WO1998033014 A1 WO 1998033014A1 JP 9800226 W JP9800226 W JP 9800226W WO 9833014 A1 WO9833014 A1 WO 9833014A1
Authority
WO
WIPO (PCT)
Prior art keywords
hearth
waste
incinerator
combustion
fuel
Prior art date
Application number
PCT/JP1998/000226
Other languages
English (en)
Japanese (ja)
Inventor
Kiichiro Kurogi
Original Assignee
Oil-Recycle Co., Ltd.
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 Oil-Recycle Co., Ltd. filed Critical Oil-Recycle Co., Ltd.
Priority to AU55755/98A priority Critical patent/AU5575598A/en
Publication of WO1998033014A1 publication Critical patent/WO1998033014A1/fr

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/80—Furnaces with other means for moving the waste through the combustion zone
    • F23G2203/805—Furnaces with other means for moving the waste through the combustion zone using a rotating hearth

Definitions

  • the present invention relates to an incinerator mainly used for mixing and incinerating general waste and industrial waste, waste oil, waste solvent, waste paint, waste plastic, waste tire, petroleum sludge, chicken dung, sludge, wastewater, etc. It is. Background art
  • a storage furnace As conventional waste incinerators, a storage furnace, a kiln, a disk stirring furnace, a fluidized sand furnace and the like are known.
  • metal stirrers are installed in the incinerators to improve the combustibility, stair grate, sand patrol device, and devices that diffuse incinerators throughout the grate And incinerate continuously on a grate that moves in one direction.
  • the hearth is a metal grate, those that burn liquefied petroleum solids cannot burn completely because they burn below the grate, but also have high calories.
  • the grate deteriorates quickly due to the high heat generated from the waste.
  • the rotation of the hearth causes a rising slope and a falling slope to appear on the hearth, and the center of rotation of the burnable material rotating and flowing on the hearth is different from the center of rotation of the hearth. Utilizing the action that occurs eccentrically near the rising slope, a new combustion layer is sequentially created on the surface of the deposited material to be burned and incinerated.
  • the incinerated material is separated into large and small solids and powdered ash to create a new fuel layer, which can be repeatedly incinerated until it becomes powdered ash, so that the incinerated material can be completely burned.
  • the present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to provide an incinerator which is suitable for incinerating relatively lightweight general waste and is economical and easy to use. is there. Disclosure of the invention
  • a hearth provided so as to rotate while being inclined with respect to a horizontal plane, and an air jetting means provided above the hearth, the combustion shell is provided at the center of the hearth of the hearth.
  • the first feature is that a discharge port is provided, and the furnace bottom is formed on a mortar-shaped slope from the periphery to the fuel shell discharge port.- With this, when the hearth rotates, the furnace bottom has a steep slope and a gentle slope. Appear steadily, and a gentle flow and a quick flow occur in the combustion material in the hearth, high-speed combustion is performed, and a high temperature can be maintained stably.
  • the second feature is that the inclination angle of the hearth is variably provided, and the flow and combustion of the combustion material in the hearth can be adjusted by the interaction between the rotation and the inclination of the hearth.
  • a dust ash discharge portion having a plurality of vertical grooves at the lower portion of the inner peripheral surface of the fuel husk discharge port, and a lid slidable up and down in the fuel husk discharge port and inside the powder ash discharge portion are provided.
  • FIG. 1 is a vertical cross-sectional view of an incinerator according to the present invention
  • FIG. 2 is a partial cross-sectional view near a fuel shell discharge port at the bottom of the incinerator.
  • the main configuration of the incinerator of the present embodiment will be described by dividing it into “furnace body and hearth”, “discharge system”, “blast system”, “waste input mechanism”, and “auxiliary device”.
  • the incinerator of the present embodiment includes a furnace body 1 having a furnace head 4, a hearth 2 housed and installed therein, and a base for rotatably holding the hearth 2.
  • the upper part of the hearth 2 is covered with a furnace head 4, and the periphery of the upper opening of the hearth 2 is covered by a hearth covering part 4 a formed continuously below the furnace head 4.
  • the hearth 2 has its lower surface held on a base 3 via a gear body 8 of a turntable bearing external gear type, and the gear body 8 and a rotary drive device 10 such as a speed change motor mounted on the base 3 are connected. By direct connection and connection, it rotates while tilting at an overall angle described later.
  • the hearth is rotatably supported on the base 3 in a state of being inclined at a certain inclination angle (hereinafter referred to as “overall angle”) with respect to a horizontal plane, and the entire angle is provided so as to be tilted within a limited variable angle.
  • all angle a certain inclination angle
  • the base 3 is held by a base support 6 as a tilting fulcrum and two hydraulic tilting cylinders 16a, and the hearth 2 tilts by the expansion and contraction of the tilting cylinders 16a. is there.
  • This tilting structure is used for adjusting the flow movement of the combustion material described later.
  • the hearth 2 has a hearth 2b formed on a mortar-shaped slope having an elevation angle of about 15 degrees with its center at the center, and is formed in a substantially pot shape having a cylindrical peripheral wall 2c on its outer periphery.
  • the whole angle is set to be 5 degrees around 40 degrees. Therefore, if the whole angle of the hearth 2 is 40 degrees with respect to the horizontal line, the elevation angle is 15 degrees above the hearth b (left side in Fig. 1). A steep slope of about 55 degrees, which is obtained by adding 40 degrees to the total angle, appears at the lower part (right side in Fig. 1). As the hearth 2b rotates, the angle gradually increases from the gentle 25-degree slope located below it, and eventually becomes a steep slope of about 55 degrees above it. The waste that accumulates on the hearth 2b, where the inclination angle changes, forms a slope of about 35 degrees that flows on the surface and burns.
  • the overall angle of the hearth 2 is 40 degrees as described above, the upper part of the hearth 2b (the left side in FIG. 1) has a sharp angle of about 55 degrees.
  • the lower part (right side in Fig. 1) has a gentle slope of about 25 degrees. Therefore, a large amount of waste is deposited on the lower gentle slope, and less on the upper steep slope. The hearth 2 rotates and the waste repeatedly collapses due to the transition from the gentle slope to the steep slope. Then, they move from the upper steep slope to the lower gentle slope and move so as to stack.
  • waste layer is formed in the order of larger ones from the surface.
  • large-sized waste slopes are exposed on the top layer, and medium-sized and small-sized wastes are separated and stacked on the bottom layer, such as powder ash. And are constantly discharged.
  • the combustion flame is efficiently conducted by creeping up the steep slope.
  • the flames of the burned material which are mostly stacked on the lower gentle slope, transfer heat by burning the burned material on the upper steep slope.
  • the high-temperature combustibles on the upper steep slope eventually move to the lower gentle slope while maintaining the high temperature due to the flow motion of the combustibles described above. Therefore, the inside of the hearth 2 is maintained at a high temperature by repeating the heat conduction from below and the flow and lamination of the high-temperature combustion material.
  • one of the reasons for keeping the hearth 2 ⁇ high is one of the reasons that the furnace bed 2 ⁇ can be maintained at a high temperature because large combustion products whose combustion degree is relatively low due to the above-mentioned lamination are always exposed. To about 1000 degrees. And it is possible.
  • the total angle is set at 40 degrees, which is about 5 degrees added to this, as the inclination angle of the entire hearth. I have.
  • the combustion state changes due to various conditions such as combustion, etc., the state is adjusted by changing the overall angle accordingly. Accordingly, it is possible to obtain a good rolling motion when the tilting range of the entire hearth 2 angle is constant in a range of about 36 degrees to about 41 degrees.
  • Discharge system such as cinders.
  • the lid 15 is formed in a cylindrical shape by a refractory, and as shown in FIG. 2, when the lid 15 is flush with the hearth 2, the fuel shell outlet 2 a is closed and the fuel shell etc. Is not emitted.
  • the powdered ash discharge part 12 is cage-shaped with a plurality of vertical grooves 12a formed around it, and the lid 15 is located below this powdered ash discharge part 12, as shown in FIG. As a result, the powder ash is discharged from the flutes 12a, and the lid 15 is located below it, thereby discharging the fuel husk including large incombustibles.
  • non-combustible substances that can only partially burn are mixed and assisted by the two primary waste oil burners 14a, but the remaining fuel is discharged at once by fully opening the discharge port 2a. Since it becomes possible to separate and discharge the powdered ash and the solid hull, it is easy to treat incombustibles after incineration. By moving the lid 15 upward, it protrudes into the hearth 2 and pushes up the non-combustible pebble layer accumulated in the hearth 2b to collapse it, thereby burning the slope of the hearth 2b. Prevents the generation of clean force.
  • the hearth 2, the furnace head 4, and the hearth cover 4a are provided with air blowing means (air outlets) for cooling.
  • This blowing means is provided with a plurality of vertical ventilation holes (primary ventilation) 18c drilled in the hearth cover 4a and a plurality of drilling holes in the lower part of the furnace head 4.
  • a horizontal air outlet (secondary air outlet) 18 b a plurality of peripheral wall air outlets (primary air outlets) 18 a formed in the peripheral wall 2 c of the hearth 2, and through each air passage 17 to these air outlets.
  • It consists of three blowers 27 that supply air and three three-way valves 19 that control these supplies ::
  • Each blower passage 17 has a hearth 2, a furnace head 4, and a hearth cover 4a. It is formed inside the wall and cools each part by the inflow of air. On the contrary, the hot air heated by the cooling blows out from each air outlet.
  • blowers 27 also supply air to the primary waste oil burner 14a and the secondary waste oil burner 14b via the three-way valve 19, respectively, and adjust the thermal power of each waste oil burner by adjusting the three-way valve 19. .
  • a waste inlet 21 is formed in the hearth cover 4a of the furnace body 1 to sequentially introduce waste into the hearth 2, and a cylindrical charging hose 22 communicating with the waste inlet 21 is disposed at an upper portion thereof.
  • this device In the conventional loading hob, clogging was caused in the inside by the pressure when the waste dropped.
  • this device In order to eliminate this clogging, this device has a fan-shaped injection wing 23 that swings repeatedly like a swing inside the injection hopper 22, which repeatedly oscillates left and right to remove the input waste. On the one hand, it works out and on the other hand, it pushes up the waste from below, so that clogging due to the falling pressure can be relaxed and the loading operation can be performed smoothly.
  • a charging wing 23 is rotatably supported inside a charging hopper 22 via a rotating shaft 23a, and a gear (not shown) is attached so as to rotate around the rotating shaft 23a. Is connected via a chain 25 to a deceleration motor 24 of a drive unit mounted on the base 3.
  • a deceleration motor 24 of a drive unit mounted on the base 3. As a result, clogging of the input hopper 22 or the waste input port 21 is alleviated, and continuous input of various sizes of waste is enabled. For example, household garbage etc. can be thrown in together with garbage bags.
  • the entire lower part of the incinerator is buried underground, and the input hopper 22 is transported to a truck or heavy excavator. From it may be placed at a height that can drop waste directly 3
  • two primary waste oil burners 14a and 14b are provided, respectively, for igniting the waste and promoting its combustion.
  • the two primary waste oil burners 14a are located on both sides of the charging hob 22
  • the pressure inside the furnace body 1 is reduced by providing an exhaust port 20 in the furnace head 4.
  • One side of the exhaust port 20 is used as a safety valve.
  • a fountain tower 26 for wastewater treatment for discharging wastewater toward the center of the furnace head is attached to the center of the furnace head and the hearth cover 4a, and regulates the temperature of the heated furnace. It is provided to be able to. Next, a method of using the incinerator according to the present invention will be described.
  • the waste is stacked to this state and ignited by two primary waste oil burners 14a.
  • the position where the flame of the primary waste oil burner 14a comes into contact with the waste is covered by two-thirds of the radius below the center of the hearth 2 as shown by the arrow X in Fig. 1.
  • new waste is introduced so that the amount of waste stored in hearth 2 always fills the lower part of hearth 2 I do.
  • the present invention is configured as described above, it is most suitable for incinerating relatively lightweight general waste and is convenient.
  • the three steps of waste input, combustion, and ash emission can be performed smoothly without any hindrance to continuous combustion, and a rapid start-up combustion temperature of about 1000 degrees can be maintained.
  • this combustion can be further adjusted to a desirable state, and the above-mentioned effect is further enhanced.
  • the present invention can be used mainly as an incinerator for mixing and incinerating general waste and industrial waste, waste oil, waste solvent, waste paint, waste plastic, waste tire, petroleum sludge, chicken dung, sludge, wastewater, and the like.
  • incinerator In addition to its use as an incinerator, it is possible to use high heat as a facility that needs to supply heat at a constant temperature for a long time, for example, as a boiler for power generation or hot water boules, or as a dryer for sewage pollution.
  • this incinerator is used instead of the combustion furnace currently used in boilers and the like that uses heavy oil etc. as fuel, fossil fuel becomes unnecessary and fuel consumption can be significantly reduced, while at the same time waste disposal is performed. be able to

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

L'invention porte sur un incinérateur économique, d'utilisation pratique et pouvant incinérer efficacement des déchets ordinaires de poids relativement faible. L'incinérateur présente un foyer (2) sensiblement façonné en cuvette et muni d'une sole de four (2b) conique présentant un angle frontal d'inclinaison d'environ 15 degrés et un orifice central d'évacuation des cendres. La rotation du foyer (2) fluidise les combustibles pour les recouvrir de combustibles de faible volume placés au-dessous, et un réglage des mouvements d'écoulement sur une face inclinée déclenche la combustion rapidement pour permettre une conduction thermique efficace et le maintien d'une température du four élevée.
PCT/JP1998/000226 1997-01-23 1998-01-22 Incinerateur WO1998033014A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU55755/98A AU5575598A (en) 1997-01-23 1998-01-22 Incinerator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9/46855 1997-01-23
JP09046855A JP3094282B2 (ja) 1997-01-23 1997-01-23 焼却炉

Publications (1)

Publication Number Publication Date
WO1998033014A1 true WO1998033014A1 (fr) 1998-07-30

Family

ID=12758964

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/000226 WO1998033014A1 (fr) 1997-01-23 1998-01-22 Incinerateur

Country Status (3)

Country Link
JP (1) JP3094282B2 (fr)
AU (1) AU5575598A (fr)
WO (1) WO1998033014A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015163822A (ja) * 2014-02-28 2015-09-10 有限会社オイル・リサイクル 焼却炉

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100458284C (zh) * 2005-12-15 2009-02-04 沈福昌 一种焚烧废物的成套装置
CN114576636B (zh) 2022-02-17 2022-11-08 生态环境部南京环境科学研究所 一种危险废弃包装物热解焚烧处理装置及其处理工艺

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031779U (fr) * 1973-07-17 1975-04-08
JPS5154560U (fr) * 1974-10-23 1976-04-26
JPH0277430U (fr) * 1988-11-17 1990-06-14
JPH0480511A (ja) * 1990-07-24 1992-03-13 Oil Risaikuru:Kk 焼却炉
JPH04208303A (ja) * 1990-11-30 1992-07-30 Oil Risaikuru:Kk 焼却炉
JPH06347015A (ja) * 1993-06-04 1994-12-20 Oil Risaikuru:Kk 焼却炉

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031779U (fr) * 1973-07-17 1975-04-08
JPS5154560U (fr) * 1974-10-23 1976-04-26
JPH0277430U (fr) * 1988-11-17 1990-06-14
JPH0480511A (ja) * 1990-07-24 1992-03-13 Oil Risaikuru:Kk 焼却炉
JPH04208303A (ja) * 1990-11-30 1992-07-30 Oil Risaikuru:Kk 焼却炉
JPH06347015A (ja) * 1993-06-04 1994-12-20 Oil Risaikuru:Kk 焼却炉

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015163822A (ja) * 2014-02-28 2015-09-10 有限会社オイル・リサイクル 焼却炉

Also Published As

Publication number Publication date
JPH10205732A (ja) 1998-08-04
AU5575598A (en) 1998-08-18
JP3094282B2 (ja) 2000-10-03

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