WO2008013016A1

WO2008013016A1 - Waste disposal apparatus

Info

Publication number: WO2008013016A1
Application number: PCT/JP2007/062556
Authority: WO
Inventors: Takeshi Kawahara
Original assignee: Takeshi Kawahara
Priority date: 2006-07-27
Filing date: 2007-06-15
Publication date: 2008-01-31
Also published as: JP2008032287A

Abstract

A waste disposal apparatus comprising a housing defining an incineration chamber of approximately cubic form for incineration of waste; a first air introduction pipe for introduction of external air from a wall portion of the housing into the incineration chamber; an air introduction member erected on a bottom surface of the incineration chamber; a second air introduction pipe for introduction of external air from a wall face of the air introduction member into the incineration chamber; and magnets fitted to the first air introduction pipe and second air introduction pipe so as to apply magnetism to the external air introduced into the incineration chamber, so that through the second air introduction pipe, the external air can flow in to even the vicinity of the center of the incineration chamber to which inflow of the external air is difficult through the first air introduction pipe only.

Description

Papers Waste treatment equipment Technical field

The present invention relates to a waste treatment apparatus that incinerates waste, and more particularly to a waste treatment apparatus that can efficiently incinerate waste while suppressing generation of dioxins and malodors. Background art

Conventionally, general waste and industrial waste are generally incinerated after being collected by garbage trucks. Waste that is waste may be incinerated at home or school.

However, these incineration treatments burn waste in the incinerator, resulting in harmful substances such as dioxin and hydrocarbons and bad odors associated with combustion, which is a major environmental problem. In addition, incineration at high temperatures using fossil fuels required a large running cost, and a large amount of combustion residual ash was generated, causing problems in the processing.

Therefore, in order to deal with such problems, incinerators that try to suppress the generation of dioxins by inducing waste heat by using induction superheating means to raise the temperature inside the incinerator, for example, This is disclosed in Japanese Patent Application Laid-Open No. 2 0 0 5-1 4 1 9 1 4 and Japanese Patent Application Laid-Open No. 2 0 0 5-1 2 7 6 8 0.

However, an incinerator that burns waste at a high temperature as disclosed in the above document requires an incinerator with excellent heat resistance, which increases manufacturing costs. Furthermore, in the incinerator described above, it is necessary to supply current to the coil, which is an induction superheating means, and there is a problem that a large cost is required for the equipment. In recent years, there has been a demand for an apparatus that has a small and cost-effective structure that can be used by ordinary households and companies, and that can treat waste while suppressing the generation of dioxins. It was done. Therefore, the applicant of the present invention applied the international patent application PCT / JP 2 0 0 6/3 2 4 3 9 8 (basic application: Japanese Patent Application 2 0 0 5-3 5 2 0 8 1) We have proposed a household treatment device that promotes the heating effect by applying a magnetic force to the air introduced into the interior.

However, the above household processing equipment has a sufficient structure to handle the amount of waste discharged from ordinary households, but there are limits to the amount of waste discharged from general companies. There was also a need to improve processing capacity so that it could be used by general companies. If the capacity of the main body of this household processing unit is increased as it is, the air with magnetic force introduced into the main body of the processing unit will not be able to reach the whole, so that a sufficient heating effect is maintained. I couldn't.

Therefore, the present invention has been made in view of the above circumstances, and its purpose is to suppress the generation of dioxins even if the incinerator capacity is increased in order to increase the amount of waste that can be treated. At the same time, it is an object of the present invention to provide a waste treatment apparatus capable of maintaining a treatment capacity capable of incinerating waste. Disclosure of the invention

The object of the present invention is a waste treatment apparatus for incinerating waste, wherein a housing that forms a substantially cubic incineration chamber for incinerating the waste is formed from the wall portion of the housing. A first air introduction pipe for introducing external air into the incineration chamber, an air introduction member standing on the bottom surface of the incineration chamber, and a second for introducing external air from the wall surface of the air introduction member into the incineration chamber. Achieved by a waste treatment apparatus comprising: an air introduction pipe; and a magnet that is disposed in the first air introduction pipe and the second air introduction pipe and that magnetizes the external air introduced into the incineration chamber. Is done.

Further, the above object is that the first air introduction pipe and the second air introduction pipe are This is achieved effectively by having a valve for adjusting the introduction amount of the external air at the base portion arranged outside the casing.

Further, the object is that a plurality of the second air introduction pipes are arranged on the wall surface of the air introduction member inside the air introduction member through the bottom of the incineration chamber from the wall portion of the housing. In addition, the object is effectively achieved by the structure branching to the pipe outlet. Further, the object is to pass the external air to the peripheral surface of the portion of the second air introduction pipe passing through the incineration chamber. This is achieved effectively by providing a plurality of air supply holes for supplying to the bottom.

In addition, the above object is a structure in which the second air introduction pipe branches into a plurality of pipe outlets that are arranged on the wall surface of the air introduction member inside the air introduction member through the bottom of the casing. It is achieved effectively by being.

In addition, the above object is achieved by the structure in which the second air introduction pipe communicates with a plurality of pipe outlets arranged on the wall surface of the air introduction member through the lower part of the bottom of the housing. Is achieved.

Furthermore, the above object is effectively achieved by the air introduction member being erected on the bottom surface of the incineration chamber at an interval of 1400 mm to 1600 mm.

As described above, according to the paper sheet counting apparatus of the present invention, the first air introduction pipe for introducing the external air magnetized from the wall portion of the housing forming the incineration chamber is provided. Further, a second air introduction pipe is provided for introducing external air magnetized from an air introduction member standing on the bottom surface of the incineration chamber into the incineration chamber. As a result, the external air can be introduced through the second air introduction pipe even near the center of the incineration room where it is difficult for the first air introduction pipe to flow in the external air. However, air for burning waste can be introduced throughout the incineration chamber. As a result, while maintaining high processing capacity and low cost to suppress the generation of dioxins, the amount of waste discharged from general enterprises can be treated. Therefore, the incinerator can be enlarged.

In the waste treatment apparatus according to the present invention, the air necessary for burning the waste is supplied by natural convection through the first air introduction pipe and the second air introduction pipe without using power such as a pump. So you can reduce running costs. Brief Description of Drawings

FIG. 1 is a front view schematically showing the external appearance of a waste treatment apparatus according to the first embodiment of the present invention.

FIG. 2 (a) is a side view showing the base portion of the first air introduction pipe, and FIG. 2 (b) is a side view showing the base portion of the second air introduction pipe.

FIG. 3 is a cross-sectional view of the main part showing the incineration chamber of the waste treatment apparatus according to the first embodiment of the present invention.

FIG. 4 is a top view of the incinerator along the line IV—] V in FIG.

FIG. 5 is a cross-sectional view of the main part showing the incineration chamber of the waste disposal apparatus according to the second embodiment of the present invention.

FIG. 6 is a cross-sectional view of the main part showing the incineration chamber of the waste disposal apparatus according to the third embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[First embodiment]

FIG. 1 is a front view schematically showing the external appearance of a waste treatment apparatus according to the first embodiment of the present invention. In FIG. 1, a waste treatment apparatus 1 includes a casing 2 that forms a substantially cubic incineration chamber, and an exhaust pipe 3 that is erected on the top of the casing 2, and is made of raw garbage, paper, fiber Combustible waste such as synthetic resin is burned in the housing 2 and burned gas Is sent to the outside through the exhaust pipe 3.

Case 2 is made of a ferrous metal such as stainless steel with excellent heat resistance, and a hollow, substantially rectangular parallelepiped incineration chamber is formed by joining multiple metal plates with a certain thickness by welding or the like. Is done. A plurality of supports 4, 4 are attached to the bottom surface of the case 2, and the case 2 is grounded via the support 4. In addition, a plurality of (two in the present embodiment) input parts 5 and 5 are provided on the upper surface of the case 2 for putting the combustible waste into the incineration chamber in the case 2. . The insertion portions 5 and 5 are provided on the inner side of the lid members 5 a and 5 a and the lid members 5 a and 5 a, which are attached so as to be rotatable in the direction of arrows XX ′ in FIG. It has a double door structure in which the entrance is closed by a uniform shirt member (not shown).

In addition, a plurality of first air introduction pipes 6 and 6 for introducing external air into the incineration chamber in the housing 2 are fitted in both side walls of the housing 2 in the thickness direction of the housing 2. The bases 6 a and 6 a are provided outside the housing 2. Further, on both side walls of the casing 2, a plurality of second air introduction pipes for introducing external air into the incineration chamber in the casing 2 at positions below the first 'air introduction pipes 6 and 6. 7 and 7 are fitted in the thickness direction of the casing 2, and bases 7 a and 7 a are provided outside the casing 2.

FIG. 2 (a) is a side view showing the base 6a of the first air introduction pipe 6, and (b) is a side view showing the base 7b of the second air introduction pipe 7. FIG.

In these drawings, the base portion 6 a of the first air introduction pipe 6 and the base portion 7 a of the second air introduction pipe 7 are sucked from the air suction ports 6 b and 7 b, respectively, and incinerated in the housing 2. Valves 8 and 9 are provided to adjust the amount of external air introduced into the. In addition, permanent magnets 10 and 11 are attached to the inner peripheral surfaces of the air intake ports 6 b and 7 b, respectively. The permanent magnets 10 and 11 are arranged so that their magnetic poles face each other, and the magnetic field is formed so as to be orthogonal to the flow of external air introduced from the air suction ports 6 b and 7 b. As a result, magnetism is exerted on the external air introduced through the magnetic field, and the external air subjected to the magnetism is After passing through the tubes 8, 9, the air is introduced into the incineration chamber in the housing 2 through the air introduction pipes 6, 7. This external air with magnetism has the effect of promoting heating, and can burn the waste without extinguishing the fire.

In the present embodiment, as shown in FIG. 2, the inner diameter d 2 of the second air introduction pipe 7 is larger than the inner diameter d 1 of the first air introduction pipe 6. The reason for this will be described with reference to FIGS. 3 and 4 described later. In this embodiment, the permanent magnets 10 and 11 are attached to the air inlet 6 b of the first air inlet pipe 6 and the air inlet 7 b of the second air inlet pipe 7. For example, an electromagnet may be used instead of the permanent magnets 10 and 11.

FIG. 3 is a cross-sectional view of the main part showing the incineration chamber of the waste treatment apparatus according to the present embodiment, and FIG. 4 is a top view of the incineration chamber along line IV-IV in FIG. .

In FIG. 3, a plurality of first air introduction pipes 6, 6 are fitted and fixed to the wall portion of the housing 2, and each tube outlet 6 c, 6 c is formed in a substantially cubic shape formed in the housing 2. The shape of the incineration chamber 1 2 is arranged on the side surface 1 2 a. On the other hand, the second air introduction pipe 7 passes from the bases 7a and 7a arranged on the left and right outer sides of the casing 2 through the left and right walls of the casing 2 through the bottom of the incineration chamber 12 and into the incineration chamber. 1 2 Bottom surface of air 1 2 b Air inlet member 1 3 b fitted into the wall surface of the air, and a plurality of pipe outlets 7 c arranged inside the air inlet member 1 3 inside the air inlet member 1 3 7 The structure is branched into c. Also, a plurality of air supply holes 7 d for supplying external air to the bottom of the incineration chamber 12 are formed in the peripheral surface of the portion of the second air introduction pipe 7 that passes through the incineration chamber 12. Due to the difference in the tube structure, as shown in FIG. 2, the inner diameter d 2 of the second air introduction tube 7 is larger than the inner diameter d 1 of the first air introduction tube 6. The diameters dl and d 2 are not limited, but preferably, the inner diameter d 1 of the first air introduction pipe 6 is 30 mm to 50 mm, and the second air introduction pipe 7 The inner diameter d2 force of 60 mm to 80 mm. Further, the air introduction member 13 standing on the bottom surface of the incineration chamber 12 is formed of an iron-based metal such as stainless steel having excellent heat resistance, like the case 2. The position and number of the air introduction members 1 3 are determined by the dimensions of the incinerator 1 2. In general, the external air that has been magnetized and introduced from the left and right walls of the housing 2 has an interval between the left and right wall surfaces of the incineration chamber 12 in which the air introduction pipe is arranged is 180 mm or more. Otherwise, the heating effect will be halved. Therefore, in the waste treatment apparatus 1 according to the present embodiment, the two air introduction members 1 3, 3, so that the interval s is 1400 mm to 1600 mm, preferably about 1500 mm. 1 3 is provided.

Further, in the waste treatment apparatus 1 according to the present embodiment, the first air introduction pipe 6 is provided in the housing 2 having a height from the bottom surface of the incineration chamber 12 in the range of 700 mm to 800 mm. It is provided on the wall. Therefore, the height h of the air introduction member 13 in which the pipe outlet 7c of the second air introduction pipe 7 is arranged on the wall surface is set to 700 mm to 800 mm accordingly.

Further, as shown in FIG. 4, in the waste treatment apparatus 1 according to this embodiment, the pipe outlet 6 c of the first air introduction pipe 6 and the pipe outlet 7 of the second air introduction pipe 7 provided in four stages. c is provided in three rows in the vertical direction (the vertical direction in FIG. 4), but this is not limited and can be appropriately changed according to the dimensions of the incineration chamber 12 .

Next, a waste processing method by the waste processing apparatus 1 according to the present embodiment will be described. First, the lid member 5 a and the shutter of the casing 2 are opened, and the waste is introduced into the incineration chamber 12 from the input section 5. After the ignited material (heated material) is charged from the charging unit 5 and the waste is ignited, the lid member 5a and the shutter are closed to seal the incineration chamber 12 and the incineration chamber 1 2 by the valves 8 and 9 respectively. Adjust the amount of external air introduced into the. Since this external air is magnetized (permanent) by the permanent magnets 10 and 11, the thrown-in waste continues to burn without being extinguished in the incineration chamber 12. This combustion, unlike normal combustion, produced little flame Therefore, the amount of combustion gas emitted is also small, and the combustion temperature reaches about ι ο ο ο τ :. As a result, the concentration of dioxins generated when burning waste is reduced, and the combustion residual ash is reduced.

As described above, the waste treatment apparatus 1 according to this embodiment includes the first air introduction pipe 6 that introduces external air from the wall portion of the housing 2 and the air introduction that is erected on the bottom surface of the incineration chamber 12. And a second air introduction pipe 7 for introducing external air from the wall portion of the member 13. In this way, by providing two types of introduction pipes 6 and 7 with different external air introduction paths, a magnet is also provided in the vicinity of the center of the incineration chamber 12 where it is difficult for the first air introduction pipe 6 to flow in external air. 1 External air magnetized by 1 can be introduced through the second air introduction pipe 7. As a result, even if the capacity of the incineration chamber 12 is increased, external air for burning waste can be introduced throughout the incineration chamber.

In addition, by providing valves 8 and 9 at the bases 6a and 7a of the first air introduction pipe 6 and the second air introduction pipe 7, the amount of external air introduced into the incineration chamber 12 can be individually controlled. Therefore, it is possible to easily set the optimum external air introduction amount according to the amount and type of waste.

[Second Embodiment]

FIG. 5 is a cross-sectional view of the main part showing the incineration chamber of the waste disposal apparatus according to the second embodiment of the present invention. The same members as those in the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted.

As shown in the figure, in the waste treatment apparatus 1 ′ according to the present embodiment, the second air introduction pipe 7 ′ extends from the base portion 7 a ′ disposed outside the housing 2 to the bottom of the housing 2. Accordingly, a plurality of pipe outlets that are fitted into the bottom of the housing 2 positioned below the air introduction member 1 3 ′ and are arranged on the wall surface of the air introduction member 1 3 ′ inside the air introduction member 1 3 ′. 7 c 'branching structure.

That is, the second air introduction pipe 7 ′ according to this embodiment is the second air introduction pipe of the first embodiment. Most of the parts are not arranged in the incinerator 12 as in the case of the air introduction pipe 7, but the parts other than the pipe outlet 7c 'and the inside of the air introduction member 1 3' are arranged outside the casing 2. It is. As a result, the same effects as the first embodiment can be obtained, and the cost required for the heat resistance of the second air introduction pipe 7 ′ can be reduced.

[Third embodiment]

FIG. 6 is a cross-sectional view of the main part showing the incineration chamber of the waste disposal apparatus according to the third embodiment of the present invention. The same parts as those in the first embodiment and the second embodiment described above are denoted by the same reference numerals, and the description thereof is omitted. ,

As shown in the figure, in the waste treatment apparatus 1 ′ ′ according to the present embodiment, the second air introduction pipe 7 ′ ′ is connected to the base 7a ′ ′ disposed on the left and right outer sides of the housing 2. The bottom of the body 2 is passed through the bottom of the housing 2 located below the air introduction member 1 3 ′, and the wall of the air introduction member 1 3 ′ is inserted inside the air introduction member 1 3 ′. In this structure, the pipe outlets 7 c are connected to each other.

That is, the second air introduction pipe 7 ′ ′ according to the present embodiment is not mostly disposed in the incinerator 12 like the second air introduction pipe 7 of the first embodiment. 7 c ′ and the air introduction member 1 3 ′ other than the inside are arranged on the outside of the housing 2, and each base 7 a ′ and each pipe outlet 7 c ′ ′ have a one-to-one correspondence. Yes. As a result, the same effect as in the first and second embodiments can be obtained, and the amount of external air introduced into the second air introduction pipe 7 ′ ′ can be individually controlled. The amount of external air introduced according to the amount and type of air can be set more optimally.

Note that the second air introduction pipe 7 ′ of the present embodiment is connected to a plurality of pipe outlets 7 c, 7 c ′ like the second air introduction pipes 7, 7 ′ of the first embodiment and the second embodiment. Since the base (air inlet) 7 a '' communicates with the single pipe outlet 7 c '', not the branched structure, the inner diameter of the second air inlet pipe 7 '' It may be the same as the inner diameter of the first air introduction pipe 6. The embodiment of the present invention has been specifically described above, but the present invention is not limited to this, and can be appropriately changed without departing from the spirit of the present invention.

Industrial applicability

As described above, the present invention can be applied to a small-scale or medium-scale waste treatment apparatus, and is useful for efficiently treating waste while suppressing generation of dioxins. .

Claims

Scope of request A waste treatment device that incinerates waste.

A housing forming a substantially cubic incineration chamber for incinerating the waste; a first air introduction pipe for introducing external air from the wall of the housing into the incineration chamber;

An air introduction member erected on the bottom surface of the incineration chamber;

A second air introduction pipe for introducing external air from the wall surface of the air introduction member into the incineration chamber;

A magnet which is disposed in the first air introduction pipe and the second air introduction pipe and which exerts magnetism on the external air introduced into the incineration chamber;

A waste treatment apparatus comprising: The first air introduction pipe and the second air introduction pipe are according to claim 1, wherein a valve for adjusting an introduction amount of the external air is provided at a base portion arranged outside the casing. Waste treatment equipment. The second air introduction pipe branches from the wall portion of the casing through the bottom portion of the incineration chamber to branch into a plurality of pipe outlets arranged on the wall surface of the air introduction member inside the air introduction member. The waste disposal apparatus according to claim 1 or 2, wherein: A plurality of air supply holes for supplying the external air to the bottom of the incineration chamber are perforated on a peripheral surface of a portion passing through the incineration chamber of the second air introduction pipe. The waste treatment apparatus as described in the item. The second air introduction pipe has a structure that branches under a plurality of pipe outlets arranged on a wall surface of the air introduction member inside the air introduction member through a lower part of the bottom of the housing. The waste disposal apparatus according to item 1 or 2. The range according to claim 1 or 2, wherein the second air introduction pipe passes through a lower part of the bottom of the casing and communicates with a plurality of pipe outlets arranged on the wall surface of the air introduction member. The waste treatment apparatus as described in the item. The waste treatment apparatus according to any one of claims 1 to 6, wherein the air introduction member is erected on a bottom surface of the incineration chamber at an interval of 1400 mm to 1600 mm. .