JPH0464811A - Refuse incinerator - Google Patents

Abstract

PURPOSE:To control temperature, to protect an incinerator wall, to recover carbon by means of a fractional recovery device by a method wherein refuse is burnt in a cylinder part without generating noise, innoxious and odorless exhaust gas is exhausted, the volume of refuse is reduced, and besides heat generated by combustion is recovered by a heat recovery heat accumulating device. CONSTITUTION:Refuse 2 is charged through a charge port 1 to which a lower conveyance passage 3 is communicated and conveyed by means of a first conveyance device 4. A cylinder part 5 is connected and communicated to an end part 6 of the lower conveyance part 3 and approximately vertically erected, and air holes 7 are formed. The refuse 2 is pressed and compressed by a compressing device. The pressed compressed refuse 2 is orderly pushed up in the cylinder part 5 by means of a pushing-up device 9. The refuse 2 is heated in the cylinder part 5 by means of a combustion device 10, heat from the burnt refuse 2 is recovered and accumulated at the outside of the cylinder part 5 by a heat recovery heat accumulating device 21. The burnt refuse 2 is conveyed in a pressed state from an upper part 13 of the cylinder part 5 through an upper conveyance passage 12 by means of a second conveyance device 31. An exhaust device 34 is provided with the upper conveyance passage 12 and exhausts exhaust gas generated by combustion. The refuse 2 is recovered by a fractional recovery device 14.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Use] The present invention relates to a waste incinerator installed in condominiums, small and medium-sized business establishments, etc.

[Conventional technology]

Conventionally, garbage was collected by cleaning trucks in condominiums, small and medium-sized businesses, etc.

[Problem to be Solved by the Invention 1] However, the above-mentioned conventional apparatus has a problem in that heat, carbon, etc. are wasted because the garbage is simply collected by a cleaning vehicle.

Therefore, the present invention burns waste noiselessly, exhausts non-toxic and odorless exhaust gas, thereby reducing the volume of waste, recovers heat from combustion, protects the furnace wall, and removes carbon and other substances. The aim is to acquire and provide waste incinerators that can collect waste.

[Means for Solving the Problems 1] The present invention provides a garbage input port into which garbage is input, a lower conveyance path communicating with the garbage input port and through which the garbage is conveyed by a first conveyance device, and a lower conveyance path in which the garbage is conveyed by a first conveyance device. Connects and communicates with the end of the conveyance path,
a cylindrical portion that stands vertically and is provided with air holes;
A compression device that presses and compresses the garbage that has been conveyed to the cylindrical portion, a push-up device that pushes up the compressed garbage within the cylindrical portion, and combustion that heats and burns the pushed up garbage within the cylindrical portion. a heat recovery/storage device that recovers heat from the pressed and burned waste within the cylindrical part and stores the heat outside the cylindrical part; An upper conveyance path that is conveyed by a second conveyance device, exhausts the exhaust gas generated by the combustion, and separates and collects the waste that has passed through the exhaust device provided in the upper conveyance path and the upper conveyance path. This is a waste incinerator characterized by comprising a separation and collection device.

[Effect]

According to the present invention, trash is burned noiselessly within the cylinder, and non-toxic and odorless exhaust gas is exhausted, thereby reducing the volume of trash. Furthermore, heat from combustion can be recovered by a heat recovery and storage device to control the temperature and protect the furnace wall, and carbon and the like can be recovered by a separation recovery device.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments with reference to the drawings.

FIG. 1 is a sectional view of one embodiment of the present invention, and FIG. 2 is a view taken along the line A--A in FIG.

Garbage 2 is inputted from the input port 1 , the lower conveyance path 3 communicates with the garbage input port 1 , and the garbage 2 is conveyed by the first conveyance device 4 .

Further, the first conveyance device 4 is composed of a plurality of pairs of door mechanisms that open and close to convey the garbage 2, but it may also be constituted by a screw mechanism or a pressing mechanism that conveys the garbage 2 by pressing it. is not particularly limited.

It also includes a heating device 15 that heats the waste 2 in the lower conveyance path 3, and a molten material recovery device 16 that collects molten material from the heated waste 2.

The melt recovery device 16 is equipped with a sieve 20 to prevent the garbage 2 from falling.
will be established.

When the heating temperature by this heating device 15 is sequentially changed, the synthetic resin in the garbage 2 is sequentially melted, and the melt recovery device 1
It falls to 6 and accumulates.

Here, the synthetic resin is removed to reduce the amount of chloride gas (hydrochloric acid), oxidized gas, etc. generated when the garbage 2 is burned.

The cylindrical portion 5 is connected to and communicates with the end portion 6 of the lower conveyance path 3, is erected in a substantially vertical direction, and is provided with an air hole 7.

The compression device 8 presses and compresses the garbage 2 that has been conveyed to the cylindrical portion 5, and the pushing device 9, which includes a cylinder 98 and the like, sequentially pushes up the press-compressed garbage 2 within the cylindrical portion 5.

Next, a combustion device 1 consisting of a heater, an electromagnetic wave heating device, etc.
0 heats the pushed-up garbage 2 inside the cylindrical part 5 to promote combustion, recovers heat from the burned garbage 2 in the heat recovery and storage device 21 within the cylindrical part 5, and stores the heat outside the cylindrical part 5. do.

The location and number of combustion devices 10 are adjusted as appropriate.

The heat recovery heat storage device 21 will be described later.

Next, the burned waste 2 in the upper transport path 12 is pressed and transported from the upper part 13 of the cylindrical part 5 by the second transport device 31 .

Furthermore, the sorting and collection device 14 separates the garbage 2 conveyed through the upper conveyance path 12 using a sieve 32, and separates the garbage 2 into containers 33a and 33b.
Collected by Furthermore, the garbage in this container 33a is collected by a cleaning vehicle or the like.

In addition, carbon powder, which is separated and recovered by the sieve 32 in the container 33b, is used as fuel for reheating.

Further, an exhaust device 34 is provided in the upper conveyance path 12 to exhaust exhaust gas generated by this combustion.

Further, odor, dust, NO8, etc. in the exhaust gas are removed by burning the exhaust gas or electrically heating it.

Furthermore, it has a heating body 17 inside the hollow, and air holes 1 in the peripheral wall.
8 is provided, and a guide pipe 19 is provided that stands up from the bottom of the cylindrical portion 5.

This guide pipe 19 serves as a guide for guiding the dust 2 upward within the cylindrical portion 5.

Air hole 7 of cylinder part 5 and air hole 18 of guide pipe 19
Garbage 2 is combusted by the air being blown out,
In addition, combustion is suppressed by blocking air from the air holes 7 and 8, or by blowing out nitrogen or the like, and the temperature is controlled to a predetermined temperature.

FIG. 3 is a configuration diagram of the heat recovery and storage device 21 constituting this embodiment.

Next, the heat recovery heat storage device 21 includes a first container 11 forming the inner wall of the cylindrical portion 5 , a fluid heat medium filled in the first container 11 , and a second container provided outside the cylindrical portion 5 . a pipe 24 connected to and communicating with the first container 11 and passing through the second container 23;
When the fluid heat medium heated in the second container 23 is circulated through the pipe 24 by the pump 25, the heat storage material 26 absorbs heat from the fluid heat medium and stores the heat.

The pipe 24 has a valve 24 for fluid control.

The fluid heat medium in the first container 11 absorbs heat due to the combustion of the waste 2 in the cylindrical portion 5.

Next, the heat storage material 26 of this heat recovery and heat storage device 21 is made of water, inorganic salts, or a low melting point metal.

Next, these inorganic salts are NaN0z, NaNO3, KN
One of O3, KNO2, Nacl, Bacl, Kcl
It may be configured from the above.

Further, the inorganic salts may be composed of an aqueous solution in which water is added to the inorganic salts.

This low melting point metal consists of one or more of Sn and Pb.

Further, this low melting point metal may be composed of one or more of Sn and Pb, and one or more of Bi, Sb, As, and Cd.

The fluid heat carrier consists of water, oil, molten liquid, etc.

The second container 23 is made up of an outer wall plate and an inner wall plate, which are maintained in a vacuum state, or are made of heavy wall plates to have a heat insulating effect.

In this embodiment, the heat storage material 26 is preferably composed of inorganic salts or low melting point metals, but water may also be used.

At room temperature, the heat storage material 26 composed of inorganic salts or low melting point metals is solid, but heat is stored by the heat of the fluid heat medium, continues to store heat, and starts melting when a predetermined temperature is reached. Furthermore, heat storage continues.

Even after all of the heat storage material 26 is melted, heat storage continues, and the temperature further increases.

Then, conversely, the fluid heat medium circulating inside the pipe is heated by the heat stored in the heat storage material 26, and when the temperature drops to a predetermined temperature, solidification begins, and the entire body solidifies while generating latent heat of solidification. Continue supplying heat at the same temperature until

Once solidification is complete, the heating temperature is gradually lowered.

Therefore, a heat storage material made of an inorganic salt or a low melting point metal has a large heat storage capacity in the same volume as water, has high heat storage efficiency, and can reduce the volume of the device itself.

The open space 28 between the sealing member 27 and the heat storage material 26 is filled with neutral gas N2, inert gas Ar, or the like.

The heat storage material 26 and the second
Oxidation of the inner wall of the container 23 is prevented.

These inorganic salts include, for example, NaN02, NaNO
s, KNOz, KNOz, Nacl, Bacl,
Consisting of one or more of Kcl.

Furthermore, the inorganic salts may be composed of an aqueous solution in which water is added to the inorganic salts.

The low melting point metal includes, for example, one or more of Sn and Pb.

Furthermore, the low melting point metal may be composed of one or more of Sn and Pb, and one or more of Bi, Sb, As, and Cd.

The melting temperature of the heat storage material can be changed by changing the mixing ratio of the materials of the heat storage material 26 as exemplified above.

Furthermore, any desired solidification temperature can be achieved by mixing inorganic salts or low melting point metal components.

Of course, the materials such as inorganic salts and low melting point metals that are the heat storage material 26 are not limited to those described above.

Further, the present embodiment described above is supported by a support 30 on the floor 29.

Furthermore, it is economical to use late-night electricity in the combustion device 10, heating device 15, and heating element 17.

[Advantageous Effects of the Invention 1] As explained above, the present invention burns waste noiselessly within the cylindrical portion, exhausts non-toxic and odorless exhaust gas, and thereby reduces the volume of waste. In addition, a heat recovery and storage device recovers heat from combustion, controls temperature, protects the furnace wall,
This has the effect that carbon, etc. can be recovered by the separate recovery device.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a view taken along the line A--A in FIG. 1, and FIG. 3 is a configuration diagram of a heat recovery and storage device constituting this embodiment. 1... Garbage input port 2... Garbage 3... Lower conveyance path 4... First conveyance device 5... Cylinder part
8... Compression device 9... Pushing device 14
...Separate collection device 19...Guide pipe 21...
・Heat recovery device 31...second conveyance device

Claims (1)

[Scope of Claims] 1. A garbage input port into which garbage is input; a lower conveyance path communicating with the garbage input port and through which the garbage is conveyed by a first conveyance device; and an end portion of the lower conveyance path. A cylindrical part that is connected and communicated, stands upright in a substantially vertical direction, and is provided with air holes; a compression device that presses and compresses the waste that has been conveyed to the cylindrical part; a combustion device that heats and burns the pushed up waste inside the cylindrical section; a combustion device that collects heat from the pushed up and burned trash within the cylindrical section and stores it outside the cylindrical section; an upper conveyance path through which the burned waste is conveyed from the upper part of the cylindrical part by a second conveyance device; and an upper conveyance path through which exhaust gas generated by the combustion is exhausted and which is conveyed to the upper conveyance path. A waste incinerator characterized by comprising: an exhaust device provided therein; and a separation and recovery device that separates and collects the waste that has passed through the upper conveyance path. 2. The garbage incinerator according to claim 1, comprising: a heating device that heats the garbage in the lower conveyance path; and a molten material recovery device that recovers molten material from the heated waste. 3. The waste incinerator according to claim 1 or 2, further comprising a heating body in the hollow interior, an air hole provided in the peripheral wall, and a guide pipe erected from the bottom of the cylindrical portion. 4. The waste incinerator according to any one of claims 1 to 3, wherein the first transport device comprises a plurality of pairs of opening/closing door mechanisms for transporting the waste. 5. The waste incinerator according to any one of claims 1 to 3, wherein the first transport device comprises a screw mechanism for transporting the waste. 6. The waste incinerator according to any one of claims 1 to 3, wherein the first transport device comprises a pressing mechanism that transports the waste by pressing it. 7. The heat recovery heat storage device includes: a first container forming an inner wall of the cylindrical portion; a fluid heat medium filled in the first container; and a second container provided outside the cylindrical portion. a pipe connected to and communicated with the first container and passing through the second container; a fluid heat medium heated in the first container being pumped through the pipe into the second container; 7. The waste incinerator according to any one of claims 1 to 6, comprising: a heat storage material that absorbs heat from the fluid heat medium and stores the heat when it is circulated in the second container. 8. The waste incinerator according to claim 7, wherein the heat storage material is made of water, inorganic salts, or low melting point metals. 9 The inorganic salts are NaNO_2, NaNO_3, KN
The waste incinerator according to claim 8, comprising one or more of O_3, KNO_2, Nacl, Bacl, and Kcl. 10. The waste incinerator according to claim 8 or 9, wherein the low melting point metal comprises one or more of Sn and Pb. 11. The waste incinerator according to claim 8 or 9, wherein the low melting point metal comprises one or more of Sn and Pb, and one or more of Bi, Sb, As, and Cd.