JPH11193909A - Incinerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small and easy-to-handle incinerator being used in hotel, school or small company in which 90% or more of dioxin and 70% or more of carbon dioxide can be removed even if the combustion capacity per hour is lower than 200 kg, i.e., criterion of Environment Agency, by burning combustibles in high temperature region thereby substantially removing nitrides, carbon dioxides and dioxins from the combustion gas before it is exhausted. SOLUTION: Combustibles are burnt in a first combustion chamber 2 to produce combustion gas 22 which is introduced while feeding the air from a fan 4 to a second combustion chamber 3 for burning the mixture of coal 50 and coke 51 at high temperature. The combustion gas 22 is burnt in high temperature region producing no dioxin and brought into contact with a red-hot metallic catalyst 30 thus removing nitrides, carbon dioxides and noxious substances principally comprising dioxin substantially from the combustion gas 22 efficiently. Furthermore, the combustion gas 22 is sprayed with water in a shower room 5 in order to remove carbon dioxide substantially and purified before being exhausted to the outside.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an incinerator and, more particularly, to combustible materials such as garbage, paper and plastic after combustible materials are burned together with a mixture of charcoal and coke in a first combustion chamber. The combustion gas generated by the combustion is re-burned at a high temperature together with a mixture of charcoal and coke in the second combustion chamber to remove harmful substances such as nitrogen oxides, carbon dioxide, and dioxins contained in the combustion gas and exhaust the gas. The present invention relates to a small and easy-to-handle incinerator which can be used mainly in hotels, schools, small and medium-sized business establishments and the like.

[0002]

2. Description of the Related Art Waste treatment is usually carried out by local governments, but with the increase in waste volume, waste measures such as reduction of emissions and charging of disposal costs have begun to be implemented. It is effective for waste disposal to treat waste at each business site and each individual, and incinerators that allow waste dischargers to independently treat flammable waste that is relatively easy to dispose of have attracted attention. I am collecting.

Conventionally, small incinerators used for the above-mentioned applications only have a function of incinerating combustibles simply by spontaneously burning them in the furnace, so that the combustion temperature is not constant and is considerably lower than 900 ° C. Burning plastics containing chlorine components generates a lot of harmful substances such as dioxin and carbon dioxide due to low temperature combustion.However, very small incinerators that take measures against dioxin and carbon dioxide There are almost no furnaces, and the combustion gas containing the harmful substances is discharged into the air as it is, which has a problem of deteriorating the environment, and urgent measures have been desired even for very small incinerators.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to eliminate the above-mentioned disadvantages of the prior art, and has as its object to burn combustibles while sending air into a first combustion chamber. The combustion gas generated by the combustion in the first combustion chamber is supplied to a second combustion chamber disposed above the first combustion chamber.
By burning the combustibles completely by removing the harmful substances, mainly nitrogen oxides, carbon dioxide and dioxin, by reburning at high temperature with a mixture of charcoal and coke while introducing air into the combustion chamber and sending air, An object of the present invention is to provide an incinerator capable of removing harmful substances such as nitrogen oxides, carbon dioxide and dioxin contained in combustion gas of combustibles other than garbage with a simple configuration and at low cost.

Another object of the present invention is to burn combustibles at a high temperature together with a mixture of charcoal and coke while sending air into the first combustion chamber, and to remove combustion gas generated by combustion in the first combustion chamber above the first combustion chamber. Harmful substances, mainly nitrogen oxides, carbon dioxide and dioxin, by completely combusting the combustibles by introducing the air into the second combustion chamber, which is then re-burned at a high temperature together with a mixture of charcoal and coke while introducing air. It is an object of the present invention to provide an incinerator capable of removing harmful substances such as nitrogen oxides, carbon dioxide, and dioxin contained in the combustion gas thereof with a simple configuration and at low cost even by removing garbage. .

Another object is to burn combustibles together with a mixture of charcoal and coke at a high temperature while sending air into the first combustion chamber, and to burn combustion gas generated by combustion in the first combustion chamber above the first combustion chamber. At a high temperature together with a mixture of charcoal and coke while introducing air into a second combustion chamber disposed at a high temperature. By removing harmful substances, mainly carbon dioxide and dioxins, even garbage can reduce harmful substances such as nitrogen oxides, carbon dioxide and dioxins contained in the combustion gas with a simple configuration and low cost Another object of the present invention is to provide an incinerator that can be removed very efficiently and completely.

[0007] Still another object is to provide a shower room for spraying water from a shower device toward a combustion gas in a second manner.
Spraying shower-like water on the combustion gas from which the harmful substances mainly including nitrogen oxides and dioxins have been removed by re-burning in the high-temperature region in the second combustion chamber by disposing the combustion gas downstream of the combustion chamber. Thus, even in an incinerator of 200 kg or less per hour according to the Environment Agency, 90% of dioxin and 70% or more of carbon dioxide contained in combustion gas can be removed.

Another object of the present invention is to provide a radiator for collecting and cooling water sprayed from a shower device toward a combustion gas in a shower room and supplying the water to the shower device again. The water to be sprayed can be circulated and used, and as a result, the amount of water used can be greatly reduced and the running cost can be reduced.

[0009]

In summary, the method of the present invention (claim 1) is to burn combustibles while sending air into a first combustion chamber, and to generate combustion gas generated by combustion in the first combustion chamber. (1) a second arrangement above the combustion chamber
The method is characterized in that the combustibles are completely burned by reburning at a high temperature together with a mixture of charcoal and coke while introducing air into a combustion chamber and removing harmful substances mainly including nitrogen oxides, carbon dioxide and dioxins. It is assumed that.

In the method of the present invention (claim 2), the combustibles are burned at a high temperature together with a mixture of charcoal and coke while blowing air into the first combustion chamber, and the combustion gas generated by the combustion in the first combustion chamber is discharged. The combustibles are completely burned by being recombusted at a high temperature together with a mixture of charcoal and coke while introducing air into the second combustion chamber disposed above the first combustion chamber to supply air, thereby allowing nitrogen oxides and carbon dioxide to be completely combusted. And harmful substances mainly including dioxins are removed.

In the method of the present invention (claim 3), a combustible is burned at a high temperature together with a mixture of charcoal and coke while blowing air into the first combustion chamber, and the combustion gas generated by the combustion in the first combustion chamber is discharged. The combustible material is brought into contact with a red-hot metal catalyst by bringing the combustion gas into contact with a red-hot metal catalyst while introducing air into a second combustion chamber disposed above the first combustion chamber to feed air and reburn at a high temperature with a mixture of charcoal and coke. Is completely burnt to remove harmful substances mainly including nitrogen oxides, carbon dioxide and dioxin.

Further, the incinerator of the present invention (Claim 4) has a first combustion chamber capable of burning combustibles together with a mixture of charcoal and coke while sending air by a blower, and an upper part of the first combustion chamber. A second combustion chamber disposed to introduce combustion gas generated by combustion of the combustible material in the first combustion chamber while blowing air by a blower to reburn the combustion gas at a high temperature together with a mixture of charcoal and coke; And exhausting after removing harmful substances mainly including nitrogen oxides, carbon dioxide and dioxin contained in the combustion gas.

[0013] The incinerator of the present invention (claim 5) has a first combustion chamber capable of burning combustibles together with a mixture of charcoal and coke while blowing air by a blower, and an upper part of the first combustion chamber. A combustion gas generated by the combustion of the combustible material in the first combustion chamber is introduced while blowing air by a blower, and the combustion gas is reburned at a high temperature together with a mixture of charcoal and coke, and glows red at the top. A second combustion chamber in which a metal pipe serving as a metal catalyst is disposed and a combustion gas passes through the metal pipe and is in contact therewith, wherein nitrogen oxides, carbon dioxide and carbon dioxide contained in the combustion gas are provided. It is characterized in that exhaust is performed after removing harmful substances mainly including dioxin.

The incinerator of the present invention (claim 6) is provided with an air supply pipe for blowing air for combustion at a lower portion, and a first combustion chamber capable of burning a mixture of charcoal and coke together with combustibles. An air supply pipe disposed above the first combustion chamber and blowing air for combustion is disposed at a lower portion, and a metal tube serving as a metal catalyst that glows red is disposed at an upper portion, and air is supplied from the air supply pipe. While burning the mixture of charcoal and coke at a high temperature while feeding, introducing the combustion gas generated by the combustion of the combustible material in the first combustion chamber and reburning the combustion gas, the combustion gas is glowed. A second combustion chamber that is brought into contact with a metal catalyst; a blower that pressurizes air to the air supply pipes of the first combustion chamber and the second combustion chamber; and a blower that is disposed downstream of the second combustion chamber and generates a combustion gas. Shower water towards A shower chamber provided with a shower device for spraying in the form of a gas, wherein the second combustion chamber reburns the combustion gas at a high temperature to thereby remove nitrogen oxides, carbon dioxide and dioxin contained in the combustion gas. After removing harmful substances mainly, the combustion gas is passed through water sprayed in a shower in the shower room to remove carbon dioxide contained in the combustion gas and exhaust the gas. It is characterized by the following.

In the incinerator according to the present invention, an air supply pipe for blowing air for combustion is provided at a lower portion of the incinerator, and a first combustion chamber capable of burning a mixture of charcoal and coke together with combustibles. An air supply pipe disposed above the first combustion chamber and blowing air for combustion is disposed at a lower part, and a metal pipe which becomes a red catalyst and becomes a metal catalyst is disposed at an upper part, and air is supplied from the air supply pipe. While the mixture of charcoal and coke is burned at a high temperature while introducing the combustion gas generated by the combustion of the combustible material in the first combustion chamber, the combustion gas is reburned, and then the combustion gas is red-heated. A second combustion chamber that is brought into contact with the metal catalyst; a blower that pressurizes air to the air supply pipes of the first combustion chamber and the second combustion chamber; and a combustion gas that is disposed downstream of the second combustion chamber. Showering water towards A shower room in which a shower device for spraying water is disposed, and the water sprayed toward the combustion gas in the shower room is collected and cooled, and then supplied to the shower device again to circulate and use the water. A radiator, and after removing the harmful substances mainly containing nitrogen oxides, carbon dioxide and dioxin contained in the combustion gas by reburning the combustion gas at a high temperature in the second combustion chamber, In the shower room, the combustion gas is passed through water sprayed like a shower to remove carbon dioxide contained in the combustion gas and exhaust the same.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments shown in the drawings. The incinerator 1 according to the present invention includes a first combustion chamber 2, a second combustion chamber 3, a blower 4, a shower chamber 5, and a radiator 6 in FIGS.

The first combustion chamber 2 is a room for burning a combustible material 8 such as garbage, paper, plastic, etc., and is made of a refractory material such as a steel plate. Refractory brick 7 is affixed to the necessary parts of the part,
Inside, a combustion table 10 in which a plurality of metal rods 9 are horizontally arranged in a staggered manner is disposed to divide the first combustion chamber 2 into a combustion chamber 11 above the combustion table 10 and an air chamber 12 below. ing.

At the upper part of the combustion chamber 11, a loading door 14 to which a lock mechanism 13 is attached is disposed so as to be openable and closable by a hinge 15, and the loading door 14 is opened so that the combustible material 8 is loaded. Further, an opening / closing door 19 which can be opened and closed by a hinge 16 is provided on a side surface of the air chamber 12, and ash which is a residue generated by opening the opening / closing door 19 and burning the combustible material 8. To be scraped and processed.

The air chamber 12 has an air hole 2 over its entire length.
An air supply pipe 21 having an opening 1a is disposed to penetrate the air chamber 12, and a connection port 21b protruding outside the air chamber 12 is provided.
Is connected to a blower 4 to be described later, and is configured to send air to the air chamber 12 by pressure.

The second combustion chamber 3 transfers the combustible material 8 to the first combustion chamber 2.
It is for reburning the combustion gas 22 generated at the time of combustion in a high temperature range, is made of a refractory material, is disposed downstream of the first combustion chamber 2, preferably above, The combustion chamber 28 includes a combustion chamber 28 and a reaction chamber 29 provided on the downstream side of the combustion chamber 28.
A plurality of combustion chambers 24 and 25 are formed by being horizontally separated by two metal cages 23 having openings 3a, and an air supply pipe 26 connected to the blower 4 is arranged below the cage 23. The air is supplied from the blower 4 to the second combustion chamber 3 under pressure.

The reaction chamber 29 is brought into contact with a red-heated metal tube 30 for causing the combustion gas 22 recombusted in the high temperature region in the second combustion chamber 3 to act as a metal catalyst. Nitrogen oxide (N
Ox), carbon dioxide (CO ₂ ), dioxin and other harmful substances, and 72 metal tubes 30 made of stainless steel, for example, having a thickness of 16 mmφ and a length of 500 mm are closely adhered in the vertical direction. The combustion gas 22 flows inside the metal tube 30 and between the metal tube 30 and the metal tube 30.
The metal tube 30 that glows red when rising through the gap 32
It is configured to contact with.

The blower 4 is for sending combustion air to the first combustion chamber 2 and the second combustion chamber 3 under pressure, and has a discharge port 4a connected to the air supply pipes 21 and 26, respectively.
For example, it is configured as a blower that is rotated by a motor 33. By rotating a built-in fan by the motor 33, ambient air is sucked from the air intake port 4b and discharged from the discharge port 4a. Air is supplied from the hole 21 a to the first combustion chamber 2 and air is supplied from the air supply pipe 26 into the second combustion chamber 3.

The shower room 5 contains water 34 in the combustion gas 22.
For dripping or spraying in the form of a shower,
Smoke exhaust passage 36 disposed in communication with the downstream side of second combustion chamber 3
A shower device 35 is disposed at the upper part of the container, and a gap T is provided between the shower device 35 and the smoke exhaust passage 36 at the uppermost part.
Is fixed, and a storage portion 5a for temporarily storing water 34 sprayed from the shower device 35 is formed at the bottom.

2 to 4, the shower device 35 is a pipe penetrating the shower room 5 and protruding into the flue gas passage 36. The pipe has a water spray hole 35a for spraying water over its entire length. A valve 40 with a manual operation lever 41 is provided outside the shower room 5.

The valve 40 is capable of adjusting the amount of water 34 sprayed into the combustion gas 22 from the watering hole 35a by operating the manual operation lever 41, and is fixed on the water tank 43. A water supply pipe 42 is connected to a discharge port 42a of a water supply pump 42 that suctions water 34 stored in the water tank 43 from a suction port 42b.

The radiator 6 is for regenerating and circulating the water 34 sprayed from the shower device 35. The radiator 6 is a cooling device including a filter 46 and a cooling fan 49. Is disposed between the water tank 43 and the storage unit 5a sprayed from the shower device 35.
Is returned through a drain pipe 45, and impurities contained in the water 34 are filtered by a filter 46, and then the water 34 heated by the heat of the combustion gas 22 is cooled by a cooling fan 49.
Is cooled, returned to the water tank 43, and reused.

According to the method of the present invention (claim 1), the combustibles 8 are burned while air is supplied into the first combustion chamber 2, and the combustion gas 22 generated by the combustion in the first combustion chamber 2 is burned.
Is introduced into the second combustion chamber 3 disposed above the first combustion chamber 2 and reburned at a high temperature together with the mixture of the charcoal 50 and the coke 51 while sending air in, thereby completely combusting the combustibles 8 and oxidizing nitrogen. This is a method to remove harmful substances mainly including substances, carbon dioxide and dioxin.

Further, according to the method of the present invention (claim 2), the combustibles 8 are burned at a high temperature together with the mixture of charcoal 50 and coke 51 while blowing air into the first combustion chamber 2 and generated by combustion in the first combustion chamber 2. The combustibles 8 are completely burned by conducting the burned gas 22 to the second combustion chamber 3 disposed above the first combustion chamber 2 and reburning the mixture with the mixture of charcoal 50 and coke 51 at a high temperature while feeding air. This is a method of removing harmful substances mainly including nitrogen oxides, carbon dioxide and dioxin.

In the method of the present invention (claim 3), the combustibles 8 are burned at a high temperature together with the mixture of the charcoal 50 and the coke 51 while blowing air into the first combustion chamber 2 and generated by combustion in the first combustion chamber 2. The combustion gas thus obtained is supplied to the first combustion chamber 2
The mixture of the charcoal 50 and the coke 51 is reburned at a high temperature together with the mixture of the charcoal 50 and the coke 51 while introducing air into the second combustion chamber 3 arranged above the metal catalyst 30 and the combustion gas 2 is supplied to the red-heated metal catalyst 30.
In this method, the combustibles 8 are completely burned by bringing them into contact with each other to remove harmful substances mainly containing nitrogen oxides, carbon dioxide and dioxins.

The present invention is configured as described above,
Hereinafter, the operation will be described. 8 and 9, the charging door 14 is opened to put flammable materials 8 such as garbage, paper, and plastic onto the combustion table 10 of the first combustion chamber 2, and the air chamber 12 below the combustion table 10 is opened. A mixture of the charcoal 50 and the coke 51 is spread over the inside, and air blown in the direction of the arrow A from the blower 4 is blown out from the air hole 21 a of the air supply pipe 21 to convert the combustible material 8 together with the charcoal 50 and the coke 51 into 9.
Burn at a high temperature of 00 ° C or higher. In the case of combustibles 8 other than garbage, in the first combustion chamber 2, the combustion of the mixture of the charcoal 50 and the coke 51 is unnecessary, and it is sufficient to feed air and burn.

The ash generated by the combustion is processed by opening the opening / closing door 19 and being scraped out, and the combustion gas 22 containing the black smoke and the like generated by the incomplete combustion is guided to the second combustion chamber 3 and sent from the blower 4 under pressure. Air is supplied to the air supply pipe 26
Harmful substances, mainly nitrogen oxides, carbon dioxide and dioxin, can be decomposed by passing between a mixture of charcoal 50 and coke 51 laid on the cage 23, which is supplied from and burned at a high temperature. After recombustion in a high temperature range of 1300 ° C. to 1500 ° C., the mixture is led to the reaction chamber 29 and glows red and rises through the inside of the metal tube 30 acting as a metal catalyst and the gap 32 between the metal tubes 30. 90% of harmful substances such as nitrogen oxides, carbon dioxide and dioxin by contact with the glowing metal tube 30
Remove above.

The combustion gas 22 which is recombusted in a high temperature region in the two combustion chambers 24 and 25 of the second combustion chamber 3 and the reaction chamber 29 and which has almost all the harmful substances removed by the catalytic action.
Are the watering holes 3 of the shower device 35 in the shower room 5.
5a sprays water 34 into the combustion gas 22 to remove about 70% or more of the carbon dioxide contained in the combustion gas 22, and also removes and purifies particulate matter to remove the smoke.
The gas is exhausted to the outside through 6. It is known from various documents that about 69% of the oxygen dioxide in the combustion gas can be removed only by a water shower.

The water 34 sprayed from the shower device 35
Is dropped and temporarily stored in the storage section 5a, and then returned through the drain pipe 45.
After filtering the impurities contained therein, the cooling fan 49
Then, the water is returned to the water tank 43, and is again supplied to the shower device 35 by the water supply pump 42 to be circulated.

[0034] The incinerator 1 according to the present invention complies with the Environment Agency standards.
Even an incinerator of 200 kg or less per hour can remove 90% of dioxin and 70% of carbon dioxide. In the above-described embodiment, the mixture of charcoal and coke is spread in the first combustion chamber and burned together with combustibles. However, the combustion of combustibles in the first combustion chamber does not necessarily require the mixture of charcoal and coke. It is not necessary to use it, and in the case of combustible materials 8 other than garbage, only the combustible materials 8 may be burned in the first combustion chamber, and depending on the quality and quantity of the combustible materials 8. Only in one of the two combustion chambers 24 and 25 of the second combustion chamber 3 is the charcoal 5
Reburning may be performed using a mixture of 0 and coke 51.

[0035]

According to the present invention, as described above, combustibles are burned while sending air into the first combustion chamber, and the combustion gas generated by the combustion in the first combustion chamber is disposed above the first combustion chamber. The combustibles are completely burned by reburning at high temperature with a mixture of charcoal and coke while introducing air into the second combustion chamber to remove harmful substances mainly including nitrogen oxides, carbon dioxide and dioxin. Therefore, there is an effect that it is possible to provide an incinerator capable of removing harmful substances such as nitrogen oxides, carbon dioxide, and dioxin contained in the combustion gas of combustibles other than garbage with a simple configuration and at low cost.

Further, the combustibles are burned at a high temperature together with a mixture of charcoal and coke while sending air into the first combustion chamber, and the combustion gas generated by the combustion in the first combustion chamber is disposed above the first combustion chamber. As a result, the combustibles are completely burned by removing the harmful substances mainly including nitrogen oxides, carbon dioxide and dioxin by introducing the air into the second combustion chamber and reburning the mixture with the mixture of charcoal and coke at a high temperature while sending air. Therefore, even if it is garbage, there is an effect that it is possible to provide an incinerator that can remove harmful substances such as nitrogen oxides, carbon dioxide, and dioxin contained in the combustion gas with a simple configuration and at low cost.

In addition, combustibles are burned at a high temperature together with a mixture of charcoal and coke while sending air into the first combustion chamber, and the combustion gas generated by the combustion in the first combustion chamber is disposed above the first combustion chamber. The mixture is then reburned at a high temperature with a mixture of charcoal and coke while sending air to the second combustion chamber, and the combustible gas is brought into contact with a red-heated metal catalyst to completely combust the combustibles to obtain nitrogen oxides, carbon dioxide and dioxin. Harmful substances such as nitrogen oxides, carbon dioxide and dioxins contained in the combustion gas of garbage can be reduced with a simple structure and low cost This has the effect of providing an incinerator that can be efficiently and completely removed.

Further, a shower chamber for spraying water from the shower device toward the combustion gas in a shower-like manner is disposed downstream of the second combustion chamber. Shower-like water is sprayed on the combustion gas from which harmful substances, mainly substances and dioxins, have been removed, so even incinerators of 200 kg per hour or less per hour specified by the Environment Agency can reduce dioxins contained in combustion gas. 90
% And carbon dioxide can be removed by 70% or more.

Further, in the shower room, a radiator is provided which collects water sprayed from the shower device toward the combustion gas, cools the water, and supplies the water to the shower device again.
The water sprayed toward the combustion gas can be circulated and used, and as a result, the amount of water used can be greatly reduced, so that the running cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of an incinerator.

FIG. 2 is a partially broken perspective view of the incinerator.

FIG. 3 is a vertical sectional view of the incinerator.

FIG. 4 is a perspective view of a shower device.

FIG. 5 is a perspective view of a metal tube as an example of a metal catalyst.

FIG. 6 is a perspective view of metal bars arranged in a zigzag pattern as an example of a combustion table.

FIG. 7 is a perspective view of an air supply pipe provided in the first combustion chamber.

FIG. 8 is a partially broken perspective view showing a state in which combustion gas generated by burning combustibles is processed and purified in a combustion chamber, a reaction chamber, and a shower chamber of a second combustion chamber.

FIG. 9 shows that after combustion gas generated by burning combustibles is reburned in a high temperature region in a second combustion chamber, water is sprayed in a shower room to mainly contain nitrogen oxides, carbon dioxide, and dioxin. It is a principal part longitudinal cross-sectional view showing a state in which harmful substances are removed.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 incinerator 2 first combustion chamber 3 second combustion chamber 4 blower 5 shower room 6 radiator 8 flammable substance 21 air supply pipe 22 combustion gas 26 air supply pipe 30 metal pipe as an example of metal catalyst 34 water 35 shower device 50 charcoal 51 Coke

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI F23C 11/00 316 F23C 11/00 316 F23G 5/16 F23G 5/16 EZ ZAB ZABD 5/44 ZAB 5/44 ZABG F23J 15 / 04 F23J 15/00 D 15/00 H

Claims (7)

[Claims] A first combustion chamber that burns combustibles while sending air into the first combustion chamber; and a combustion gas generated by the combustion in the first combustion chamber is supplied to a second combustion chamber disposed above the first combustion chamber.
The method is characterized in that the combustibles are completely burned by reburning at a high temperature together with a mixture of charcoal and coke while introducing air into a combustion chamber and removing harmful substances mainly including nitrogen oxides, carbon dioxide and dioxins. Combustion method in an incinerator. 2. A combustible material is burned at a high temperature together with a mixture of charcoal and coke while blowing air into the first combustion chamber, and a combustion gas generated by the combustion in the first combustion chamber is distributed above the first combustion chamber. The combustibles are completely burned by re-burning at a high temperature with a mixture of charcoal and coke while introducing air into the second combustion chamber provided to remove harmful substances mainly including nitrogen oxides, carbon dioxide and dioxin. A combustion method in an incinerator characterized by removing. 3. A combustible material is burned at a high temperature together with a mixture of charcoal and coke while sending air into the first combustion chamber, and a combustion gas generated by combustion in the first combustion chamber is distributed above the first combustion chamber. The combustibles are completely burned by bringing the combustion gas into contact with a red-hot metal catalyst while causing the mixture to come into contact with the mixture of charcoal and coke at a high temperature while introducing air into the second combustion chamber. A combustion method in an incinerator characterized by removing harmful substances mainly including carbon dioxide and dioxin. 4. A first combustion chamber capable of burning combustibles together with a mixture of charcoal and coke while blowing air by a blower, and a first combustion chamber disposed above the first combustion chamber and blowing air by a blower. A second combustion chamber for introducing combustion gas generated by the combustion of the combustibles in the first combustion chamber and reburning the combustion gas at a high temperature together with a mixture of charcoal and coke, the second combustion chamber being included in the combustion gas An incinerator characterized in that it is configured to remove harmful substances mainly including nitrogen oxides, carbon dioxide and dioxin and then exhaust the same. 5. A first combustion chamber capable of burning combustibles together with a mixture of charcoal and coke while blowing air by a blower, and a first combustion chamber disposed above the first combustion chamber while blowing air by the blower. Introducing a combustion gas generated by the combustion of the combustible in the first combustion chamber, re-burning the combustion gas at a high temperature together with a mixture of charcoal and coke, and arranging a metal tube which glows red to form a metal catalyst at an upper portion. And a second combustion chamber configured so that the combustion gas passes through the metal tube and comes into contact therewith, to remove harmful substances mainly containing nitrogen oxides, carbon dioxide and dioxin contained in the combustion gas. An incinerator characterized by being configured to exhaust after. 6. A first combustion chamber provided at a lower portion with an air supply pipe for blowing air for combustion, capable of burning a mixture of charcoal and coke together with combustibles, and above the first combustion chamber. An air supply pipe for blowing air for combustion is disposed at a lower portion, and a metal tube which becomes a metal catalyst by glowing red is disposed at an upper portion, and a mixture of charcoal and coke is heated at a high temperature while sending air from the air supply pipe. A second combustion chamber for introducing the combustion gas generated by the combustion of the combustibles in the first combustion chamber while burning, reburning the combustion gas, and then contacting the combustion gas with the metal catalyst which glows red. A blower for pumping air to the air supply pipes of the first combustion chamber and the second combustion chamber; and a shower disposed downstream of the second combustion chamber for spraying water toward the combustion gas in a shower shape. Equipment installed And a shower that, the second
After removing the harmful substances mainly including nitrogen oxides, carbon dioxide and dioxin contained in the combustion gas by reburning the combustion gas at a high temperature in a combustion chamber, the combustion gas is showered in the shower chamber. An incinerator characterized in that the incinerator is configured to pass through water sprayed in a shape to remove carbon dioxide contained in the combustion gas and exhaust the same. 7. A first combustion chamber which is provided with an air supply pipe for blowing air for combustion at a lower portion and is capable of burning a mixture of charcoal and coke together with combustibles, and above the first combustion chamber. An air supply pipe for blowing air for combustion is provided at a lower portion, and a metal tube which becomes a metal catalyst by glowing red is provided at an upper portion.A mixture of charcoal and coke is heated at a high temperature while sending air from the air supply pipe. A second combustion chamber for introducing the combustion gas generated by the combustion of the combustibles in the first combustion chamber while recombusting the combustion gas, and then bringing the combustion gas into contact with the metal catalyst that glows red. And a blower for supplying air to the air supply pipes of the first combustion chamber and the second combustion chamber by pressure, and a shower-like spray of water toward the combustion gas disposed downstream of the second combustion chamber. Shower equipment installed A radiator that collects and cools the water sprayed toward the combustion gas in the shower room, cools the water, supplies the water again to the shower device, and circulates and uses the water. After the combustion gas is reburned at a high temperature in a chamber to remove harmful substances mainly containing nitrogen oxides, carbon dioxide and dioxin contained in the combustion gas, the combustion gas is showered in the shower chamber. An incinerator characterized in that the incinerator is configured to pass through water sprayed on the combustion gas to remove and exhaust carbon dioxide contained in the combustion gas.