JPH11287417A - Kiln type gasification incinerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a kiln type gasification incinerator to easily and properly take out carbide from the interior of a rotating rotary kiln. SOLUTION: In an incinerator having a rotating approximate closed type rotary kiln 1 being a gasification carbonizing chamber for an incinerated substance, an incinerated substance discharge mechanism to discharge an incinerated substance in the rotary kiln 1 from the rotary kiln 1 is provided. The rotary kiln 1 has its one end face forming a fixed wall, the incinerated substance discharge mechanism 10 is provided with a discharge port for an incinerated substance formed in the lower part of the fixed wall, and a wedge-form container 36 arranged in a state to protrude in the rotary kiln 1 through the position of the discharge port and an internal space is connected to a discharge port. This wedge-form container 36 has a tapered-off part 36b pointing to one in a tangential line direction of the rotary kiln 1 and an opening part 36c pointing to the other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an externally heated kiln-type gasification incinerator for heating, drying, gasifying and carbonizing incinerated materials, particularly sludge.

[0002]

2. Description of the Related Art Waste disposal of municipal garbage and sewage sludge is mainly incinerated because ocean dumping is prohibited. However, these have a high moisture content, and in particular, since sludge contains 80% or more of moisture (dewatered sludge), there is a problem that combustion is difficult and energy consumption for incineration is large.

[0003] Conventionally, sludge incinerators that heat sludge or the like to gasify and carbonize the sludge, for example, kiln-type gasification incinerators equipped with an external combustion type rotary kiln have been proposed. The kiln-type gasification incinerator is heated and gasified while sludge is continuously introduced into a rotary kiln, which is a tube that is heated and rotated from the outside, and moves from an input port to a discharge port due to the inclination of the rotary kiln. In addition to being carbonized, the generated gas is ejected from the rotary kiln and combustible components are burned, which also becomes a heat source during operation.

In this kiln-type gasification incinerator, gas generated when sludge is gasified is used as a part of a heat source, so that energy consumption can be relatively suppressed, and sludge is converted into charcoal and reduced. For example, there is an advantage that it can be effectively used as fuel, soil improvement material, horticultural soil, and the like. Conventionally, carbide generated in the rotary kiln was dropped from an opening end of the rotary kiln to a discharge port, a storage tank, or the like and taken out.

[0005]

However, the conventional incinerator has the following problems. In other words, in the past, carbide was simply dropped from the open end of the rotary kiln and taken out.Therefore, considering the timing of taking out the carbide according to the amount and condition of the carbide in the rotary kiln, discharging the carbide and stopping the discharge as appropriate It was not possible to perform selective take-out such as letting go. In particular, since the rotary kiln is rotating, it has been difficult to control the discharge of carbides in a rotating state.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a kiln-type gasification incinerator capable of easily and appropriately removing carbides from a rotating rotary kiln.

[0007]

The present invention has the following features to attain the object mentioned above. That is, the kiln-type gasification incinerator according to claim 1 is an incinerator provided with a rotatable substantially closed rotary kiln that is a gasification and carbonization chamber for the incineration material, wherein the incineration material in the rotary kiln is converted from the rotary kiln. The rotary kiln is provided with a fixed wall at one end surface thereof, and the incinerated material discharge mechanism has a discharge port for the incinerated material formed at a lower portion of the fixed wall, and a discharge port for the discharge port. A wedge-shaped container projecting from the position into the rotary kiln and having an internal space connected to a discharge port, the wedge-shaped container having a tapered portion directed to one of the tangential directions of the rotary kiln and an open portion directed to the other. The technology that is distributed is adopted.

In this kiln-type gasification incinerator, an incineration material discharge mechanism is provided with a wedge-shaped container arranged so as to protrude from the position of the discharge port into the rotary kiln, and the internal space is connected to the discharge port. When the rotary kiln is rotated toward the opening of the wedge-shaped container, the carbide in the rotary kiln is turned from the opening of the wedge-shaped container into the interior by turning the rotary kiln toward the opening of the wedge-shaped container. Into the space and discharged outside through the outlet. Further, when the rotary kiln is rotated in the opposite direction, that is, toward the tapered portion of the wedge-shaped container, the carbide in the rotary kiln moves over the wedge-shaped container and becomes difficult to enter from the opening, so that the discharge from the discharge port is stopped.

In the kiln-type gasification incinerator according to the second aspect, in the kiln-type gasification incinerator according to the first aspect, the incineration material discharge mechanism is arranged to protrude from the discharge port into the wedge-shaped container. A technology that includes a screw conveyor that is driven to rotate is employed.

[0010] In this kiln type gasification incinerator, the incineration material discharge mechanism is provided with a screw conveyor that is arranged to protrude from the discharge port into the wedge-shaped container and is driven to rotate. Further, the carbide that has entered the wedge-shaped container can be forcibly discharged while being cut out from the discharge port.

In the kiln-type gasification incinerator according to the third aspect, in the kiln-type gasification incinerator according to the first or second aspect, the wedge-shaped container is provided in the discharge port so as to be able to advance and retreat in a substantially axial direction of the rotary kiln. The incineration material discharge mechanism is provided with a container moving means for moving the wedge-shaped container forward and backward.

In this kiln-type gasification incinerator, the wedge-shaped container is disposed so as to penetrate the discharge port so as to be able to advance and retreat in a substantially axial direction of the rotary kiln. Therefore, the wedge-shaped container can be advanced and retracted by the container advancing and retreating means, and the opening area of the wedge-shaped container in the rotary kiln can be changed to adjust the discharge amount. Further, it becomes possible to retract the wedge-shaped container from the inside of the rotary kiln, or to switch the discharge position of the wedge-shaped container protruding outside from the discharge port.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a kiln type gasification incinerator according to the present invention will be described below with reference to FIGS. In these figures, reference numeral 1 denotes a rotary kiln, 2 denotes a heating space, 3 denotes an outer cylinder, 4 denotes a heating / combustion device, 5 denotes a lower incineration chamber, and 6 denotes a gas-permeable container.

The kiln-type gasification incinerator of this embodiment is a gasification incinerator that employs an external heat rotary kiln that heats, dries, gasifies, and carbonizes sewage sludge as incineration. As shown in FIG. 1, a substantially cylindrical rotary kiln 1 that is a gasification and carbonization chamber for sludge, a substantially cylindrical outer cylinder portion 3 that forms a heating space 2 of the rotary kiln 1 outside the rotary kiln 1, Lower incinerator 5 disposed below outer cylinder 3 and having heating / combustion device 4
A gas permeable container 6 is provided between the outer cylinder part 3 and the lower incineration chamber 5 so that the exhaust gas from the lower incineration chamber 5 can flow through the heating space 2.

In this kiln type gas incinerator, a sludge feeding mechanism 7 for feeding sludge into the rotating rotary kiln 1, a kiln rotating mechanism 8 for rotating the rotary kiln 1 at a predetermined speed, and a gas generated in the rotary kiln 1. An exhaust gas supply mechanism 9 that guides gas from the rotary kiln 1 into the lower incineration chamber 5 and sends the gas to the lower incineration chamber 5, and an incineration material discharge mechanism 10 that discharges dry carbide in the rotary kiln 1 from the rotary kiln 1.

The sludge feeding mechanism 7 includes a sludge hopper 11 storing sewage sludge (dewatered sludge) and the sludge hopper 1.
An airtight sludge feeder 12 provided at the lower part of the sludge hopper 11 for airtightly feeding the sludge in the sludge hopper 11 into the rotary kiln 1.
And The sludge input machine 12 is provided with the input motor 1
The rotary screw 3 is provided with a screw 14 for injection, and the screw 14 for injection is provided at an outlet below the sludge hopper 11, and the sludge inlet 1b of the shaft 1a formed at one end of the rotary kiln 1. Through a rotary joint 15.

The rotary kiln 1 is made of heat-resistant steel, Hastelloy, or the like, and is rotatable at one end and the other end of the outer cylindrical portion 3 by a rotating ring 16 and a roller 17. It is supported with sex. And rotary kiln 1
Is the inclination angle θ with the sludge inlet 1b facing upward, 0 ° <θ
It is of a tiltable type (downward to the right in FIG. 1) whose axis can be tilted within the range of <7 °.

The roller 17 supports one end only in the radial direction and the other end in the radial and thrust directions to absorb the elongation of the rotary kiln 1 due to heat. Further, the rotary kiln 1 has a lid 1c on the other end side separated from the rotary kiln 1, and is connected to the outer cylinder 3 by a fixing bracket 1d to form a fixed wall.

The kiln rotating mechanism 8 includes a sprocket 1 coaxially fixed to the outer periphery of the shaft 1a of the rotary kiln 1.
9 and a kiln rotating motor 21 in which a chain 20 wound around the sprocket 19 is wound around a rotating shaft. The kiln rotation mechanism 8 can appropriately change the rotation direction of the rotary kiln 1 by selecting the rotation direction of the kiln rotation motor 21. The lower incineration chamber 5 is formed in a vertical, substantially cylindrical shape with a refractory heat insulating material, and is provided with an ash discharge port 5a having a closed structure from which ash can be taken out, and a screen above the ash discharge port 5a. 2
2 are formed.

The heating / combustion device 4 includes an LPG source 23 used for pilot and an LNG source 24 used for initial heating and high-temperature combustion. Combustible gas supply pipe 25 provided with LPG and LNG supply ports 25a
And The air permeable container 6 is disposed at the lower end on the other end side of the outer cylindrical portion 3 and has a bottom wall 6a serving as a gas permeable screen. Inside the coke C which is a carbide pressed product as a lump heating medium. Is filled.

The outer cylindrical portion 3 is formed of a fire-resistant and heat-insulating material, and has a permeable peripheral wall portion 3a formed in a part of an outer peripheral portion thereof. As shown in FIG.
As shown in FIG. 3, an exhaust gas purifying container 26 partially filled with coke C and having the gas permeable peripheral wall portion 3a as a part is provided, and the exhaust gas from the heating space 2 is provided with the coke C in the exhaust gas purifying container 26. An exhaust port 26a for passing and exhausting air is provided. The exhaust port 26a is connected to a suction blower (not shown).

A charging bucket elevator 27 is connected to the exhaust gas purifying container 26 to convey and supply coke C therein. The exhaust gas purifying container 26 and the gas permeable container 6 are connected by an upper and lower connecting pipe (pipe) 28 for transferring the coke C in the gas exhaust gas purifying container 26 into the gas permeable container 6.

The upper and lower connecting pipes 28 are provided along the outer periphery of the outer tubular section 3 and have a pipe section 29 projecting upward from the air permeable container 6 at a lower portion thereof. It has become. The pipe portion 29 is provided with a transfer amount adjusting mechanism 30. The transfer amount adjusting mechanism 30 includes a take-out screw 30a arranged in the pipe portion 29,
An adjusting motor 30b having the take-out screw 30a as a rotation axis.

That is, the transport amount adjusting mechanism 30 controls the proper amount of coke C by rotating the unloading screw 30a.
Is sent into the air permeable container 6. The take-out screw 30a is set to have a smaller diameter than the inner diameter of the pipe portion 29 to such an extent that coke C can be prevented from being caught. In addition, on the lower side surface of the outer cylindrical portion 3,
A blower pipe 32 from an air blower 31 is provided in a penetrating state to supply air to the heating space 2.

The exhaust gas supply mechanism 9 has a suction pipe 33 penetrating through the lid 1c, sucks exhaust gas in the rotary kiln 1 and sets the inside of the rotary kiln 1 to a predetermined reduced pressure state. The exhaust connection pipe 3 connected to the exhaust blower 34 and connected to a blow port 5b formed in the lower incineration chamber 5 via a blower (not shown).
5 is provided. The air outlet 5b is provided on the inner peripheral surface of the lower incinerator 5 and is formed so as to blow out gas in a tangential direction of the inner peripheral wall of the lower incinerator 5.

As shown in FIGS. 1 and 3, the incineration material discharge mechanism 10 air-tightly penetrates a carbide discharge port (discharge port) 1e formed in the lid 1c, and has a horizontal wedge-shaped cross section. A discharge container (wedge-shaped container) 36, a cutting screw (screw conveyor) 37 arranged in the discharge container 36 to cut out the dried carbide outside, and the cutting screw 37 provided on a rotating shaft and driven to rotate. A discharge motor 38 and a cylinder (container moving means) 39 for moving the discharge container 36 forward and backward together with the discharge motor 38 in the penetrating direction are provided.

The cylinder 39 is fixed on a support 40 provided at the upper portion of the lower incinerator 5 on the side of the lid 1c. The support 40 has a carbide outlet 40a for taking out dry carbide, A carbide inlet 40b for introducing carbide into the lower incineration chamber 5 is formed. The carbide inlet 40b is disposed in the vicinity of the upper periphery of the lower incineration chamber 5 and in the vicinity of the air outlet 5b in the forward direction in the ejection direction.

The discharge container 36 has a discharge hole 36a formed in the lower portion on the base end side. The discharge hole 36a is located immediately above the carbide input port 40b and the carbide discharge port 40a by the movement of the cylinder 39. It is arranged to be. That is, the discharge container 36 is located at these positions.
The dried carbide cut by the cutting screw 37 can be dropped to the carbide inlet 40b or the carbide outlet 40a. In addition, the discharge container 36 is arranged such that the tapered portion 36b faces one side in the tangential direction of the rotary kiln 1 and the opening portion 36c faces the other side.

Next, a method of incinerating sludge (dewatered sludge) by the kiln type gas incinerator according to the present invention and a method of discharging carbide will be described below.

First, in the lower incineration chamber 5, the flammable gas of LPG or LNG is supplied and burned by the heating / combustion device 4, and the heating space 2 and the rotary kiln 1 are heated via the gas permeable container 6. You. That is, the lower incineration chamber 5 becomes a primary combustion chamber, and the heating space 2 becomes a secondary combustion chamber in which combustion is performed by a combustible component such as generated gas.

The exhaust blower 34 of the exhaust gas supply mechanism 9
Thereby, the inside of the rotary kiln 1 is reduced in pressure. Further, by driving the kiln rotating motor 21 of the kiln rotating mechanism 8, the rotary kiln 1 is rotated at a predetermined speed via the chain 20 and the sprocket 19. At the time of the initial heating, the discharge container 36 and the cutting screw 3 are
7 is set to a position where it projects most outward from the lid 1c, that is, a state in which the amount of projection into the outer cylinder 3 is minimum.

In this state, the sludge thrower 12 of the sludge throwing mechanism 7 is driven to throw sludge in the sludge hopper 11 into the rotary kiln 1 from the sludge inlet 1b. That is, the sludge is scraped out by the charging screw 14 which is driven to rotate by the charging motor 13, and is air-tightly pumped from the sludge inlet 1b. The introduced sludge gradually goes down in the rotating high-temperature rotary kiln 1, that is, the lid 1.
While moving to the c side, it is dried, gasified, and carbonized by heating.

At this time, the generated gas is sucked by the exhaust blower 34 of the exhaust gas supply mechanism 9 and mixed with the air via the exhaust connection pipe 35 to be connected to the inner peripheral tangential line from the blow port 5b of the lower incineration chamber 5. And is burned in the lower incinerator 5 together with the fly ash contained therein. The fly ash melted in the lower incinerator 5 is converted into slag as ash outlet 5a.
Taken out of

On the other hand, a method of discharging the dry carbide in the rotary kiln 1 will be described with reference to FIGS. First, the cylinder 39 of the incineration material discharge mechanism 10 is driven to make the discharge hole 36a of the discharge container 36 into the carbide inlet 40.
Place directly above b. Further, the discharge motor 38 is driven to rotate the cutting screw 37 in a direction in which the dried carbide is scraped out.

At this time, by rotating the rotary kiln 1 toward the opening portion 36c of the discharge container 36, that is, in the X direction shown in FIG. , And enters the internal space through the opening portion 36c, thereby facilitating discharge of the dried carbide by the cutting screw 37.
When the rotary kiln 1 is rotated in the reverse direction (Y direction in FIG. 3), that is, toward the tapered portion 36b of the discharge container 36, the dry carbide in the rotary kiln 1 moves over the discharge container 36 and moves. The discharge of the dry carbide is stopped because it is difficult to enter from the portion 36c.

The cut and discharged dry carbide is introduced into the lower incineration chamber 5 from the carbide inlet 40b, mixed with the exhaust gas and air blown out from the blower port 5b, and subjected to combustion in a vortex state. That is, the cutting screw 37, the discharging motor 38, the cylinder 39, and the carbide inlet 40b supply the dried carbide to the lower incinerator 5
It also functions as a carbide introduction means for introducing into the inside.

When the dried carbide is to be taken out of the incinerator, the cylinder 39 is driven to dispose the discharge hole 36a of the discharge container 36 directly above the carbide take-out port 40a. Further, while the rotary kiln 1 is rotated in the same direction as described above, the discharge motor 38 is driven to rotate the cutting screw 37 in a direction in which the dried carbide is scraped out. As a result, the cut dry carbide is discharged to the outside from the discharge hole 36a through the carbide outlet 40a.

When the dry carbide is not discharged, the cylinder 39 is driven to place the discharge container 36 on the lid 1.
c (to the right in FIG. 1), and
By disposing the distal end portion of the rotary kiln 6 at a position substantially flush with the lid portion 1c, it is possible to retreat from the rotary kiln 1.

The exhaust gas provided for combustion in the lower incinerator 5 is
The rotary kiln 1 is heated while passing through the coke C of the gas permeable container 6 and flowing into the heating space 2, and the remaining combustible components are provided for combustion. The fly ash that has not been burned in the lower incinerator 5 is trapped when the exhaust gas passes through the coke C, is heated and melted in the coke C, and dioxin or the like in the fly ash is heated by the heat of the coke C. Is thermally decomposed.

As described above, in the heating space 2, the gasified combustible component contributes to combustion, and the high temperature state is maintained by the radiant heat of the coke C in the heated gas-permeable container 6. The circulated exhaust gas passes through the coke C in the exhaust gas purifying container 26 from the permeable peripheral wall portion 3a and is discharged from the exhaust port 26a. At this time, the fly ash is captured in the coke C, and the exhaust gas is discharged while being deodorized and cooled.

The atmosphere temperature in each space is heated from about 900 ° C. to about 1200 ° C. in the lower incineration chamber 5, and is about 850 ° C. in the coke C in the permeable container 6. In the heating space 2, the temperature is 600 ° C. to 700 ° C.
° C, and in the rotary kiln 1,
The temperature is set to about 450 ° C. to about 450 ° C. Then, the temperature of the coke C of the exhaust gas purifying container 26 is about 300 ° C., and finally the exhaust port 26 a is cooled from 150 ° C. to about 200 ° C.

Although coke C is used as the bulk heating medium, other bulk heating medium may be used. For example,
By using a ceramic or ceramic-based metal catalyst having a porous shape, a hollow cylindrical shape, or a coil spring shape as a lump heating medium, many small gaps existing in these are suitable as a filter for catching fly ash. In addition, it is possible to obtain an excellent effect as a source of radiant heat in a high temperature state.

Although sewage sludge is used as the incineration material, it may be used for other incineration materials. For example, city garbage and the like may be incinerated. Further, the exhaust gas discharged from the exhaust port 26a is sufficiently purified by deodorization and capture of fly ash, etc. However, the exhaust port 26a may be provided with a purification device such as a dust collector connected thereto.

In this kiln-type gasification incinerator, the incineration material discharge mechanism 10 is disposed so as to protrude into the rotary kiln 1 from the position of the carbide discharge port 1e, and the internal space is connected to the discharge container 36 connected to the carbide discharge port 1e. The discharge container 36 is disposed with the tapered portion 36b facing one of the tangential directions of the rotary kiln 1 and the opening portion 36c facing the other, so that the rotary kiln 1 is placed in the opening portion 36c of the discharge container 36. When rotated, the dry carbide in the rotary kiln 1 enters the internal space from the opening 36c of the discharge container 36 and is discharged to the outside through the carbide discharge port 1e.

When the rotary kiln 1 is rotated in the opposite direction, that is, toward the tapered portion 36b of the discharge container 36, the dry carbide in the rotary kiln 1 moves over the discharge container 36 and hardly enters through the opening 36c. Therefore, the discharge from the carbide discharge port 1e is stopped. That is, by selecting the rotation direction of the rotary kiln 1, the discharge of the internal carbide can be controlled.

Further, since the incineration material discharge mechanism 10 is provided with the cut-out screw 37 which is disposed so as to protrude from the carbide discharge port 1e into the discharge container 36 and is driven to rotate,
By rotating the cutout screw 37,
The dried carbide that has entered the discharge container 36 can be forcibly discharged from the carbide discharge port 1e, and smooth discharge can be performed.

Further, the discharge container 36 is disposed so as to penetrate into the carbide discharge port 1e so as to be able to advance and retreat in a substantially axial direction of the rotary kiln 1, and the incineration material discharge mechanism 10 has a cylinder 39 for moving the discharge container 36 forward and backward. Therefore, the discharge container 36 is moved forward and backward by the cylinder 39, and the opening 36c of the discharge container 36 in the rotary kiln 1 is opened.
The discharge area can be adjusted by changing the area of the opening. In addition, the discharge container 36 is evacuated from the rotary kiln 1,
It is possible to switch the discharge position of the dry carbide in the discharge container 36 protruding outside from the carbide discharge port 1e.

[0048]

According to the present invention, the following effects can be obtained. (1) According to the kiln-type gasification incinerator according to claim 1,
An incineration material discharge mechanism includes a wedge-shaped container that projects from the position of the discharge port into the rotary kiln and has an internal space connected to the discharge port, and the wedge-shaped container has a tapered portion directed toward one of the tangential directions of the rotary kiln and the other end. When the rotary kiln is rotated toward the opening of the wedge-shaped container, the carbides can enter through the opening, and the rotary kiln is rotated toward the tapered portion of the wedge-shaped container. In addition, it is possible to make it difficult for carbides to enter the opening. That is, the rotation direction of the rotary kiln can be appropriately selected according to the amount and the carbonization state of the carbide, and the discharge of the carbide can be controlled using the rotation force itself of the rotary kiln.

(2) According to the kiln-type gasification incinerator according to the second aspect, the incineration material discharge mechanism is provided with the screw conveyor that is disposed so as to protrude from the discharge port into the wedge-shaped container and is driven to rotate. By rotating the screw conveyor, the carbides that have entered the wedge-shaped container can be forcibly discharged from the discharge port. That is, not only the rotating force of the rotary kiln but also the cutting force of the screw conveyor allows the carbide to be positively discharged, and the discharge amount can be adjusted.

(3) According to the kiln-type gasification incinerator according to the third aspect, the wedge-shaped container is disposed so as to penetrate into the discharge port so as to be able to advance and retreat in a substantially axial direction of the rotary kiln, and the incineration material discharge mechanism is provided in the wedge-shaped container. Is provided, the wedge-shaped container can be advanced and retracted by the container advancing and retracting means to adjust the discharge amount, retract the wedge-shaped container, or switch the discharge position.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a kiln-type gasification incinerator according to the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. 1;

FIG. 3 is an enlarged view of a main part of a kiln-type gasification incinerator according to an embodiment of the present invention, as viewed from a rotary kiln axial direction.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rotary kiln 1a Lid (fixed wall) 1e Carbide discharge port 10 Incineration material discharge mechanism 36 Discharge container (wedge-shaped container) 36b Tapered portion 36c Open portion 37 Cutout screw 38 Discharge motor 39 Cylinder 40a Carbide take-out port 40b Carbide input port

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI F23G 7/04 602 F23G 7/04 602B

Claims (3)

[Claims] 1. An incinerator provided with a rotatable, substantially closed type rotary kiln that is a gasification and carbonization chamber for incinerated matter, comprising an incinerated matter discharge mechanism for discharging incinerated matter in the rotary kiln from the rotary kiln, One end face of the rotary kiln is a fixed wall, and the incinerated material discharge mechanism is provided with a discharge port for the incinerated material formed at a lower portion of the fixed wall, and is protruded from the position of the discharge port into the rotary kiln. An inner space including a wedge-shaped container connected to a discharge port, wherein the wedge-shaped container is arranged such that a tapered portion is directed to one of tangential directions of the rotary kiln and an opening is directed to the other. Kiln-type gasification incinerator. 2. The kiln-type gasification incinerator according to claim 1, wherein the incineration material discharge mechanism includes a screw conveyor that is arranged to protrude from the discharge port into the wedge-shaped container and is driven to rotate. A kiln-type gasification incinerator characterized by the following. 3. The kiln-type gasification incinerator according to claim 1, wherein the wedge-shaped container is disposed so as to penetrate into the discharge port so as to be able to advance and retreat in a substantially axial direction of the rotary kiln; The kiln-type gasification incinerator, wherein the mechanism includes a container moving means for moving the wedge-shaped container forward and backward.