JPH05215317A - Incineration equipment for wet refuse - Google Patents

Abstract

PURPOSE:To mix oil with wet refuse such as leftover rice containing moisture and bring wet refuse to an easily burnable state, and to incinerate cinders completely in an auxiliary combustion chamber when wet refuse is changed into cinders in an incineration chamber. CONSTITUTION:Oil is mixed with wet refuse 4 charged into a hopper 5, into which wet refuse 14 is charged, oil is attached equally onto the surfaces of wet refuse 4 in a cylinder 9 by the slow revolution of a screw 8, and wet refuse is heated by an electric heater 10 during a time when wet refuse is passed in the cylinder 9, thus dehydrating and drying wet refuse 4. A rotary vane 17 is rotated slowly on a cradle 15 and refractory lumps 18 are turned gradually together with wet refuse 4, the refractory jumps 18 are rolled on the cradle 15 and the lumps of wet refuse 4 are destroyed, and the refractory lumps 18 are red-heated by a burner 19. The cinders of wet refuse 4 carried into an auxiliary combustion chamber 13 from the cradle 15 of a combustion chamber 12 are incinerated by an auxiliary burner 28.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for incinerating food waste such as leftover food and the like for removing water from the food waste, drying and incinerating it.

[0002]

2. Description of the Related Art JP-A-2-82011
The conventional garbage disposal method) refers to
It is immersed in oil in a waste oil tank heated to 0 to 200 ° C to remove water, and the raw garbage floating on the oil surface is incinerated at 500 ° C.
The method of incinerating raw garbage is disclosed above.

Further, the method of incinerating raw garbage disclosed in Japanese Patent Application Laid-Open No. 2-230009 (hereinafter referred to as "second prior art") and the incinerator for carrying out this method include silica stone on a grate provided in the incinerator. There is disclosed an incinerator in which a heating layer in which a granular refractory material is laid is provided, and a combustion flame injection pipe having a plurality of small holes provided through the heating layer is projected upward.

[0004]

In the above-mentioned first prior art, since the waste oil tank is used, the processing apparatus itself becomes large-scale, and it is difficult to place it in a kitchen or the like having a small floor area, and the garbage is immersed in the waste oil. Due to this, there was a problem that it took time and effort to remove it. Further, in the above-mentioned second conventional technique, the heating layer is first heated to turn it into red heat, but there is a problem that it is difficult to combust and carbonizes because the garbage is deposited on the heating layer.

Therefore, an object of the first invention of the present invention is to provide an incinerator for garbage that is easily burnt by mixing oil with garbage such as leftover rice containing water.

According to the second aspect of the present invention, when raw garbage such as leftover rice containing water is mixed with oil to make it easier to burn, when the raw garbage remains unburned in the combustion chamber, it is stored in the auxiliary combustion chamber. It is an object of the present invention to provide an incinerator for garbage that can be completely incinerated.

[0007]

As a means for solving the above problems, the present invention provides a hopper for throwing in garbage.
And an oil feeder for injecting oil into this raw garbage, a cylinder that receives the raw garbage and pushes the raw garbage forward with a screw that is rotated by an electric motor, and heats the raw garbage passing through the cylinder. And a combustion chamber having a pedestal for receiving raw garbage sent from the cylinder, a large number of heat-storing refractory masses placed on the pedestal, and a raw material on the pedestal. Provided is an incinerator for raw garbage comprising a rotary blade for stirring the dust and the refractory lump, and an incinerator equipped with a burner for burning the raw refractory lump and heating the refractory lump.

As another means, a hopper for feeding raw garbage, an oil feeder having a pipe 6A for injecting oil into the raw garbage, and a screw which receives the raw garbage and is rotated by an electric motor. And a transfer chamber consisting of a cylinder for pushing the raw garbage forward, a heater for heating the raw dust passing through the cylinder, and a combustion chamber having a cradle for receiving the raw dust sent from the cylinder, A large number of heat-storing refractory lumps placed on the pedestal, a rotor blade that stirs the garbage and the refractory lumps on the pedestal, and the garbage on the pedestal are burnt together with the refractory lumps. There is provided an incinerator for food waste comprising a burner for heating, an auxiliary combustion chamber for receiving the unburned residue of the unburned garbage from the cradle, and an incinerator having an auxiliary burner for burning the unburned residue.

[0009]

According to the above-mentioned means, the raw garbage thrown into the hopper for throwing the raw garbage such as leftover food is mixed with the oil from the oil feeder, and the slow rotation of the screw causes the raw garbage inside the cylinder. Since the oil will be evenly attached to the surface of the raw garbage, the raw garbage 4 will be dehydrated and dried by being heated by the electric heater while passing through the cylinder. It can be in a so-called flammable state in which it is easily combusted when it is transported to a room.

Further, since the rotary blades slowly rotate on the pedestal, the refractory lumps gradually rotate together with the raw garbage, so that even if there is a lump of raw dust, the refractory lumps roll on the pedestal and The lumps are destroyed, and moreover, they come into contact with the surface of the refractory mass that has been red-heated by the burner and are incinerated by the heat storage of the refractory mass. In addition, the unburned residue of the garbage carried from the cradle of the combustion chamber to the auxiliary combustion chamber is further heated by the auxiliary burner and completely incinerated into ash.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes an incinerator for garbage, which comprises a transfer device 2 and an incinerator 3.

The transfer device 2 receives a raw material 4 such as leftover food, a hopper 5, an oil feeder 6 for injecting oil into the raw material, and the raw material 4 which is rotated by an electric motor 7. It is composed of a cylinder 9 for gradually pushing the garbage 4 forward by a screw 8 and an electric heater 10 for heating the garbage passing through the cylinder, and is supported by the arm 11 on the side wall of the incinerator 3. There is.

Since the electric motor 7 has a mechanism in which it is decelerated and rotated by a gear, and therefore the screw 8 rotates slowly, oil is evenly attached to the surface of the garbage 4 in the cylinder 9. Become.

Further, the electric heater 10 heats the raw garbage 4 passing through the cylinder 9 at a temperature of about 200 ° C. to dehydrate and dry the water contained in the raw garbage 4.

As the oil to be attached to the surface of the garbage 4, it is preferable to use the waste oil used in, for example, a fryer installed in a kitchen such as a restaurant from the viewpoint of waste oil treatment.

The incinerator 3 is made of refractory brick or the like in a box shape, and comprises a combustion chamber 12, an auxiliary combustion chamber 13, and a machine chamber 14.

A disk-shaped pedestal 15 is provided in the combustion chamber 12.
A rotary blade 16 pivotally supported by a rotary shaft 16 penetrating the pedestal 15 and slowly rotating on the pedestal 15; and a large number of heat storage refractory masses 1 made of silica stone and placed on the pedestal 15.
8 and a burner 19 located on the pedestal 15 are arranged.

The lower end of the rotary shaft 16 has the machine chamber 14
And the electric motor 20 located in the machine room 14
Is transmitted through the endless belt 21, and therefore the rotary blades 17 rotate slowly, so that the refractory lump 18 is gradually rotated, that is, agitated, together with the garbage 4, so that the lump of the garbage 4 is refracted by the refractory lump 18. It will be destroyed.

A window 22 is formed on the side wall of the incinerator 3 for passing the raw dust 4 from the transfer device 2, and the raw dust 4 passing through the window 22 passes through the inclined surface 23 and the combustion chamber 12 It falls on a disk-shaped pedestal 15 arranged inside, is heated in a temperature range of 500 to 700 ° C. by a burner 19 and is incinerated, and is burned by the burner 19 in a range of 500 to 7 ° C.
The refractory mass 18, which has been heated to a temperature of 00 ° C. and turned red, is incinerated by heat storage.

A part of the pedestal 15 is formed with a passage 24 consisting of a net, a slit or a small hole, and the unburned residue of the garbage 4 burned to a predetermined size is discharged from the passage 24 into the combustion chamber. The gas is discharged into the auxiliary combustion chamber 13 through a discharge port 25 formed between the auxiliary combustion chamber 13 and the auxiliary combustion chamber 13.

On the other side wall of the incinerator 3, there are arranged an inlet / outlet port 26 for the refractory lump 18 and a lid 27 for covering the inlet / outlet, and the refractory lump 18 is replaced.

In the auxiliary combustion chamber 13, the burner 19 is provided.
Auxiliary burner 28 that is driven with
The unburned garbage 4 unburned residue conveyed to the auxiliary combustion chamber 13 is heated in the temperature range of 500 to 700 ° C. by the auxiliary burner 28 to be completely incinerated into ash.

On the side wall of the auxiliary combustion chamber 13, there are arranged the ash outlet 29 and a lid 30 for covering the outlet.
Further, an exhaust passage 32 communicating with a chimney 31 attached to the incinerator 3 is formed in the auxiliary combustion chamber 13. A communication passage 33 that guides smoke from the combustion chamber 12 to the exhaust passage 32 is formed between the exhaust passage 32 and the combustion chamber 12. By guiding the smoke in the combustion chamber 12 from the communication passage 33 to the exhaust passage 32, the smoke is not secondarily burned to become black smoke.

According to such a construction, the raw garbage 4 thrown into the hopper 5 for throwing the raw garbage 4 such as leftover food is mixed with the oil from the oil feeder 6 and the screw 8 is slowly rotated. As a result, oil is evenly attached to the surface of the raw garbage 4 in the cylinder 9, and the raw garbage 4 is dehydrated and dried by being heated by the electric heater 10 while passing through the cylinder 9. Therefore, the so-called combustible state can be set in which the combustible state easily occurs when being carried to the combustion chamber 12.

Further, since the rotary blades 17 slowly rotate on the pedestal 15, the refractory lumps 18 are gradually rotated together with the raw garbage 4, so that even if the lumps of raw dust 4 exist, the refractory lumps 18 are present.
Will roll on the pedestal 15 and break the lumps of garbage 4, and the refractory lumps 18 that have been red-heated by the burner 19
The refractory mass 18 is incinerated by the heat of the refractory mass 18 coming into contact with the surface thereof.

Further, the unburned garbage 4 unburned residue carried from the cradle 15 of the combustion chamber 12 to the auxiliary combustion chamber 13 is further heated by the auxiliary burner 28 to be completely incinerated into ash.

[0028]

According to the present invention described above, the following effects are produced.

Oil will be evenly attached to the surface of the garbage in the cylinder, and the garbage will be dehydrated and dried by being heated by the electric heater while passing through the cylinder. As a result, it can be brought into a so-called combustible state in which it is easily combusted when it is conveyed to the combustion chamber, and oil and waste oil can be effectively used.

Since the rotary blades slowly rotate on the pedestal, the refractory lumps gradually rotate together with the raw garbage, so that even if there is a lump of raw dust, the refractory lumps roll on the pedestal and collect the lumps of raw garbage. In addition, the refractory lumps are destroyed, and moreover, they come into contact with the surface of the refractory lumps which have been red-heated by the burner and are incinerated due to the heat storage of the refractory lumps.

Since the unburned residue of the garbage transferred to the auxiliary combustion chamber from the pedestal of the combustion chamber is further heated by the auxiliary burner and completely incinerated into ash, the garbage can be easily treated and the incinerator is incinerated. Can be made small and compact.

[Brief description of drawings]

FIG. 1 is an overall vertical sectional side view showing a garbage incinerator.

FIG. 2 is a sectional view taken along the line AA in FIG.

[Explanation of symbols]

 2 Transfer Device 3 Incinerator 4 Garbage 5 Hopper 6 Oil Supply Machine 7 Electric Motor 8 Screw 9 Cylinder 10 Heater 12 Combustion Chamber 13 Auxiliary Combustion Chamber 15 Cradle 17 Rotor Blade 18 Refractory Mass 19 Burner 28 Auxiliary Burner

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI technical display location F23G 7/00 102 A 7815-3K

Claims (2)

[Claims] 1. A hopper for feeding raw garbage, an oil feeder for injecting oil into the raw garbage, and receiving the raw garbage,
A transfer device including a cylinder that pushes the raw garbage forward by a screw that is rotated by an electric motor, a heater that heats the raw dust passing through the cylinder, and a receiver that receives the raw dust sent from the cylinder. A combustion chamber provided with a pedestal, a large number of heat-resistant refractory masses placed on the pedestal, rotary blades for stirring the raw dust on the pedestal and the refractory lump, and the raw dust on the pedestal. As well as burning
An incinerator for garbage, comprising an incinerator equipped with a burner for heating the refractory mass. 2. A hopper for charging raw garbage, an oil feeder for injecting oil into the raw garbage, and receiving the raw garbage,
A transfer device including a cylinder that pushes the raw garbage forward by a screw that is rotated by an electric motor, a heater that heats the raw dust passing through the cylinder, and a receiver that receives the raw dust sent from the cylinder. A combustion chamber provided with a pedestal, a large number of heat-resistant refractory masses placed on the pedestal, rotary blades for stirring the raw dust on the pedestal and the refractory lump, and the raw dust on the pedestal. As well as burning
An apparatus for incinerating food waste, comprising a burner for heating the refractory lump, an auxiliary combustion chamber for receiving the unburned residue of the garbage from the cradle, and an incinerator having an auxiliary burner for burning the unburned residue.