JP2002265953A - Carbonization apparatus and equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a high-quality activated carbon to be continuously produced from organic lees. SOLUTION: In a combustion chamber 31 of a carbonization oven 7, a cylindrical rotary kiln 32 extending almost horizontally is freely rotatably installed. On the inner wall of the rotary kiln 32, a spiral weir 33 is installed, the number of turns of the spiral weir 33 being set so as to be a value obtained by dividing the carbonization time by the time required for one rotation of the rotary kiln 32. In the spiral weir 33, a vertical weir 34 which can turn over and agitate a carbonization material in the peripheral direction of the rotary kiln 32 is installed. At the tip of the vertical weir 34, an inclined section 36 which can turn over and agitate the carbonization material in the axis direction of the rotary kiln 32 is installed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carbonization apparatus and equipment.

[0002]

2. Description of the Related Art For example, organic wastes such as chicken dung produced by poultry farming, beer brewing, coffee brewing, tea brewing, oil brewing, and okara brewing produced by beer brewing are currently only partially reused. , Most of which is disposed of as waste. In addition, chicken manure comes out as it is in a state where the grains of the feed are hardly digested, so it has components that are very similar to other organic matter tanks, and can be treated almost the same as organic matter tanks. To be included. On the other hand, in the case of cow dung and the like, the degree of digestion and absorption is advanced, so that the components are different, and it is difficult to handle as organic matter. Such an organic matter container has the property of being pulverized (case-like), and has a high water content of 80 to 50% and a considerable viscosity, so that it is difficult to handle. ing.

[0003] Therefore, in order to effectively reuse such an organic matter tank, it has been studied to carbonize the organic matter tank to produce charcoal. For example, Japanese Patent No. 2567549 discloses a technique in which chicken dung is heated and carbonized with an inclined rotating drum to produce chicken dung charcoal.

[0004]

However, the chicken manure production apparatus disclosed in the above-mentioned Japanese Patent No. 2567549 has to be batch-type since the technology for continuously supplying a raw material such as chicken manure, which is difficult to handle, has not been established. Since continuous production could not be performed, there was a problem that production efficiency was low.

[0005] In addition, in the above-mentioned chicken dung charcoal production apparatus, at least one annular weir is provided inside the rotary drum, and the chicken dung is inverted and stirred by the annular weir. Since the stirring effect is insufficient, heat cannot be evenly transmitted to the chicken manure, and there is a problem that the carbonized core remains in the obtained chicken manure charcoal.

Further, in a configuration in which an annular weir is merely provided on an inclined rotary drum, there is no guarantee that the chicken manure that has been introduced earlier will always be discharged first. There was a problem that too long chicken manure was mixed, and only chicken manure of unstable quality could be produced.

[0007] Further, the chicken manure charcoal obtained by the above-mentioned chicken manure charcoal production apparatus is merely mere charcoal, and cannot be made into high quality with added value like activated carbon.

[0008] Therefore, an object of the present invention is to solve the above-mentioned problems and to provide a carbonization treatment apparatus and equipment capable of continuously producing high-quality activated carbon from an organic matter tank.

[0009]

In order to solve the above problems, according to the first aspect of the present invention, a cylindrical rotary kiln extending in a substantially horizontal direction is rotatably provided inside a combustion chamber to form a carbonization furnace. And a spiral weir provided on the inner wall of the rotary kiln, and the number of turns of the spiral weir,
A carbonization time is set to a value obtained by dividing the time required for one rotation of the rotary kiln, and a vertical weir is provided between the spiral weirs so that the carbonized material can be inverted and stirred in the circumferential direction of the rotary kiln. A carbonization treatment device, characterized in that an inclined portion capable of inverting and stirring the carbonized raw material in the axial direction of the rotary kiln is provided.

According to the first aspect of the present invention, by supplying the carbonized raw material to the rotary kiln disposed in the combustion chamber, the carbonized raw material can be heated and carbonized. At this time, by rotating the rotary kiln, the carbonized raw material can be inverted and stirred. Further, by providing the spiral weir along the inner wall of the rotary kiln, the carbonized raw material can be transported from the inlet side to the outlet side while carbonizing the carbonized raw material. At this time, by setting the number of turns of the spiral weir to a value obtained by dividing the carbonization time by the time required for one rotation of the rotary kiln, the carbonization time can be controlled to be constant by simply rotating the rotary kiln at a constant speed. Becomes Further, the vertical weir provided between the spiral weirs allows the carbonized raw material to be inverted and stirred in the circumferential direction of the rotary kiln. Further, by providing the inclined portion at the tip of the vertical weir, the carbonized raw material can be inverted and stirred in the axial direction of the rotary kiln. Therefore, it is possible to uniformly and efficiently transfer heat by inverting and stirring the carbonized raw material evenly, thereby preventing the core from remaining in the product.

[0011] The invention described in claim 2 is characterized in that an air shutoff device is provided on the entrance side and the exit side of the rotary kiln.

According to the second aspect of the present invention, an activated carbon is manufactured by controlling the oxygen concentration inside the rotary kiln by providing the air shut-off devices on the inlet side and the outlet side of the rotary kiln. Becomes possible.
Further, the supply of the carbonized raw material and the removal of the product in a state where the air is blocked can be performed without hindrance by the air blocking device, and continuous production can be performed.

[0013] In the invention described in claim 3, a quantitative supply device for the carbonized raw material is provided on the inlet side of the rotary kiln, and the quantitative supply device comprises a hopper and an extrusion cylinder device provided below the hopper. Wherein the hopper is provided with a scraping blade which reciprocates in a circumferential direction along an inclined inner wall and extends substantially up and down, and the scraping blade has a required angle of attack. apparatus.

According to the third aspect of the present invention, by providing a carbonized raw material quantitative supply device on the inlet side of the rotary kiln, continuous production can be performed. At this time, by extruding the carbonized raw material of the hopper with an extrusion cylinder device, even if the carbonized raw material has a high water content and viscosity, it can be supplied in a constant amount. Also,
By providing the hopper with a scraping blade that reciprocates in the circumferential direction along the inner wall and extends almost up and down, even if the carbonized raw material has a high water content and viscosity, it can adhere to the hopper and the scraping blade. The viscous carbonized raw material can be sent to the extrusion cylinder device without the need. Further, by providing the scraping blade with a required angle of attack, the carbonized raw material having a high water content and viscosity can be advanced toward the extrusion cylinder device without needlessly compacting. In addition, by reciprocatingly sliding the scraping blade in synchronization with the operation of the fixed-quantity feeding device,
The carbonized raw material can be handled without consolidation.

According to a fourth aspect of the present invention, there is provided a carbonization apparatus having the carbonization apparatus according to any one of the first to third aspects.

According to the fourth aspect of the present invention, the same function and effect as those of the first to third aspects can be obtained.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

FIGS. 1 to 11 show an embodiment of the present invention.

First, the structure will be described. As shown in FIG. 1, a carbonization treatment facility 1 according to this embodiment includes a carry-in conveyor 2 and a carry-in conveyor 2 which carry in an organic material such as chicken dung as a carbonized material in order from the upstream side. 2. A quantitative supply device 3 for quantitatively supplying the carbonized raw material carried in by 2 and a carbonized raw material having a high water content (80 to 50%) quantitatively supplied by the quantitative supply device 3 to a predetermined moisture content (almost 25%). Dryer 4, a crusher 5 for finely pulverizing the carbonized raw material dried by the dryer 4, a carbonized raw material supply device 6 for supplying the carbonized raw material crushed by the crusher 5, and a carbonized material supplied by the carbonized raw material supply device 6. Carbonization furnace 7 for activating the raw material by the steam generated by the carbonization raw material itself for active carbonization, cooler 8 for cooling the activated carbon obtained in carbonization furnace 7, unloading conveyor 9 for unloading the activated carbon cooled by cooler 8, unloading And a reservoir tank 10 for temporarily storing the unloaded activated carbon by conveyors 9. In the drawing, reference numeral 11 denotes a cooling tower for sending cold water to the cooler 8 and the like, reference numeral 12 denotes a control panel, and reference numeral 13 denotes a fan for sending combustion air.

As shown in FIGS. 2 to 4, the fixed-quantity supply device 3 includes a substantially inverted conical hopper 20 and this hopper 20.
And an extrusion cylinder device 21 provided at a lower portion. A driving device 2 such as a motor is located at the axis of the hopper 20.
2 and a rotating shaft 24 that reciprocates via a speed reduction mechanism 23, and a scraping blade 26 is rotatably mounted on the rotating shaft 24 via upper and lower supports 25 extending substantially in the radial direction. . The two scraping blades 26 are provided with a phase of 180 degrees. And this scraping blade 2
Numeral 6 extends substantially up and down along the inclined inner wall of the hopper 20 and is configured to slide on the inner wall of the hopper 20.
The scraping blade 26 has a required angle of attack 27 with respect to the vertical line.
(About 5 degrees). The scraper blades 26 are configured to be rotatable forward and backward in synchronization with the operation of the extrusion cylinder device 21 (reverse rotation when the extrusion cylinder device 21 is pushed out, and forward rotation when the extrusion cylinder device 21 is pulled back). ). Also,
As shown in FIGS. 5 and 6, near the lower end of each of the scraping blades 26, a substantially angled U-shaped repose blade 28 that extends substantially in the tangential direction of the hopper 20 and has a substantially U-shape in plan view is provided. The angle of repose collapse blades 28 are provided at two locations above and below.

As shown in FIG. 7, the carbonizing furnace 7 includes a combustion chamber 31 provided with a burner 30 and a cylindrical rotary kiln 32 extending in a substantially horizontal direction provided inside the combustion chamber 31. The rotary kiln 32 can be rotated by a driving device 28 such as a motor.

Further, on the inner wall of the rotary kiln 32,
A spiral weir 33 extends in the axial direction. Spiral weir 3
The number of turns of 3 is set to a value obtained by dividing the carbonization time by the time required for one rotation of the rotary kiln 32. For example, the carbonization time is 1 hour, and the rotary kiln 32 is 1 hour.
In the case of one rotation per minute, the spiral weir 33 has 60 turns.

Then, as shown in FIG. 8, the spiral weir 33
Between them, there is provided a vertical weir 34 capable of inverting and stirring the carbonized material in the circumferential direction of the rotary kiln 32. In FIG. 8, three vertical weirs 34 are provided in the circumferential direction. The vertical weir 34 is set lower than the spiral weir 33 so that the carbonized raw material does not cross the spiral weir 33. In addition, the vertical weir 34
The rotary kiln 32 is laid at an angle 35 of approximately 45 degrees with respect to the radial direction of the rotary kiln 32 in order to enhance the inversion and stirring performance of the carbonized raw material in the circumferential direction.

As shown in FIG. 9, an inclined portion 36 is provided at the tip (the edge on the side opposite to the inner wall) of the vertical weir 34 so that the carbonized material can be inverted and agitated in the axial direction of the rotary kiln 32. . The angle of inclination of the inclined portion 36 is approximately 30 degrees to 45 degrees in order to increase the possibility of inversion and stirring of the carbonized raw material in the axial direction.
Set to degree.

Further, as shown in FIGS. 10 and 11, on the entrance and exit sides of the rotary kiln 32, there are provided air shutoff devices 37 and 38 which can take out the product while shutting off and holding the air. The air shut-off device 37 on the entry side includes a hopper 39
And a screw conveyor 40. The hopper 39 is provided with a level adjusting device 41 that detects the level of the carbonized raw material in the hopper 39 or the oxygen concentration in the rotary kiln 32 and sends a command to the carbonized raw material feeder 6 or the screw conveyor 40. Also,
The air shut-off device 38 on the outlet side is a rotary shut gate 4.
The hopper 43 includes a hopper 43, a hopper 44, and a screw conveyor 45.

The inlet and outlet air shutoff devices 37, 3
As 8, a two-stage shut gate may be used. The shut gate may be of a slide type instead of a rotary type.

Next, the gas flow in each of the above apparatuses will be described with reference to FIG.

The gas containing water vapor and dust generated in the dryer 4 is sent to the cyclone 51 via the duct 50. The dust separated in the cyclone 51 is recovered as it is, and the gas containing water vapor and fine dust is passed through the intake fan 52 and the duct 53 to the combustion chamber 3 of the carbonization furnace 7.
It is sent to 1 and burned.

The combustible gas containing steam and the gas containing fine dust generated in the rotary kiln 32 of the carbonization furnace 7 are sent to the cyclone 55 through the duct 54. The fine dust separated by the cyclone 55 is recovered as it is, and the combustible gas containing water vapor is sent to the combustion chamber 31 of the carbonization furnace 7 through the intake fan 56 and the duct 57 and burned.

As described above, the gas generated in the dryer 4 and the rotary kiln 32 is burned in the combustion chamber 31 so that the odor is not incinerated and is not emitted to the outside.

The combustion gas combusted in the combustion chamber 31 is sent to the dryer 4 through a duct 58 and an exhaust fan 59 to be used as a heat source. It has become so. A part of the combustion gas is used as a carrier gas of the dryer 4 through the branch duct 62.
Further, surplus combustion gas from the combustion chamber 31 is directly discharged from the chimney 6.
1 to the atmosphere.

Next, the operation of this embodiment will be described.

In the carbonization equipment 1, as shown in FIG. 1, an organic container such as chicken dung is carried into the fixed quantity supply device 3 by the carry-in conveyor 2 as a carbonized raw material. The carbonized raw material is supplied to the dryer 4 in a constant amount by the constant amount supply device 3.

The carbonized raw material has a high water content (80 to 50%)
Therefore, the dryer 4 dries to a predetermined moisture content (approximately 25%). The carbonized raw material dried by the dryer 4 is finely pulverized by the pulverizer 5. By pulverizing the carbonized raw material in this way, the thermal efficiency in the post-process is improved.

The carbonized raw material pulverized by the pulverizer 5 is supplied to the carbonizing furnace 7 by the carbonized raw material supply device 6 and is steamed in the carbonizing furnace 7 to be activated by the steam generated by the carbonized raw material itself to activate the activated carbon. (Steam activation).

The activated carbon obtained in the carbonizing furnace 7 is cooled by the cooler 8 and is discharged by the discharge conveyor 9 to the storage tank 1.
0 and temporarily stored.

According to this embodiment, by providing the carbonized raw material quantitative supply device 3 on the inlet side of the rotary kiln 32, continuous production can be performed.

At this time, by extruding the carbonized raw material of the hopper 20 by the extrusion cylinder device 21, even if the carbonized raw material has a high water content and viscosity, it can be supplied quantitatively.

Further, by providing the hopper 20 with the scraper blades 26 which reciprocate in the circumferential direction along the inner wall and extend substantially up and down, even if the carbonized raw material has a high water content and viscosity, The viscous carbonized raw material can be sent to the extrusion cylinder device 21 without adhering to the extruding cylinder device 21 or the scraping blade 26. This is because the scraping blade 26 successfully scrapes the carbonized raw material to be attached to the inner peripheral wall of the hopper 20. In contrast, when a screw or the like is provided in the hopper 20, the viscous carbonized raw material is
0 or remains on the scraping blade 26,
Eventually, it cannot be sent to the extrusion cylinder device 21.

Further, the required angle of attack 27
By imparting a force to propel the carbonized raw material downward during the forward rotation of the scraping blade 26 and release the downward driving force of the carbonized raw material during the reverse rotation, the scraping blade 26 By performing the normal rotation and the reverse rotation, the carbonized raw material having a high water content and viscosity can be advanced toward the extrusion cylinder device 21 without needlessly consolidating.

In particular, the scraping blade 26 is connected to the extrusion cylinder device 2
By reciprocating sliding in synchronization with the operation 1, the carbonized raw material can be sent with almost no compaction. That is, when the extrusion cylinder device 21 is extruded, the scraping blade 26 is reversely rotated to release the downward propulsion force, and the extrusion cylinder device 2 is released.
By rotating the scraper blades 26 forward during the retraction of 1 to give a downward propulsion force, the carbonized raw material can be efficiently sent to the extrusion cylinder device 21.

Further, as shown in FIGS. 5 and 6, near the lower end of each scraping blade 26, a substantially angled U-shaped repose blade 28 extending substantially in the tangential direction of the hopper 20 is provided. The carbonized raw material near the outlet of the hopper 20 can be efficiently crushed and dropped from the outlet. Also, by making the angle of repose vanes 28 substantially U-shaped in plan view,
It can function at both forward rotation and reverse rotation.

In the carbonization furnace 7, by supplying the carbonized raw material to the rotary kiln 32 disposed in the combustion chamber 31, the carbonized raw material can be heated and carbonized.
At this time, by rotating the rotary kiln 32,
The carbonized raw material can be inverted and stirred. A spiral weir 33 extends along the inner wall of the substantially horizontal rotary kiln 32.
Is provided, the carbonized raw material can be sequentially transported from the entry side to the output side while carbonizing the carbonized raw material.

At this time, by setting the number of turns of the spiral weir 33 to a value obtained by dividing the carbonization processing time by the time required for one rotation of the rotary kiln 32, the carbonization processing time is kept constant only by rotating the rotary kiln 32 at a constant speed. Can be managed.

Further, a vertical weir 34 provided between the spiral weirs 33
, It is possible to invert and stir the carbonized raw material in the circumferential direction of the rotary kiln 32.

An inclined portion 36 provided at the tip of the vertical weir 34
, It is possible to invert and stir the carbonized raw material in the axial direction of the rotary kiln 32. Therefore, it is possible to uniformly and efficiently transfer heat by inverting and stirring the carbonized raw material evenly, thereby preventing the core from remaining in the product.

Further, by providing the air shutoff devices 37 and 38 on the inlet side and the outlet side of the rotary kiln 32, the oxygen concentration in the rotary kiln 32 can be controlled to carbonize the carbonized raw material. Here, by setting the moisture content of the carbonized raw material to approximately 25% in the dryer 4, it becomes possible to produce activated carbon by performing steam activation with steam generated by the carbonized raw material itself. In addition, the air shutoff devices 37, 3
By virtue of 8, the supply of the carbonized raw material and the removal of the activated carbon as a product in a state where the air is shut off can be performed without any trouble, and continuous production can be performed.

Here, the air shut-off devices 37 on the inlet side and the outlet side,
As 38, a two-stage shut gate can be used. However, when a two-stage shut gate is used, the opening and closing operation of the two-stage shut gate becomes complicated. However, it is necessary to use the screw conveyors 40 and 45 having high airtightness in the second stage by setting the shut gate to one stage. By
The complicated shut gate opening / closing operation can be simplified. Also, the shut gate can be of a rotary type.

Further, since the inlet side air shutoff device 37 is where the carbonized raw material having a water content of approximately 25% enters, it is possible to eliminate the need for a shut gate by utilizing the hermeticity of the carbonized raw material itself. it can. That is, the level adjusting device 41 detects the level of the carbonized raw material in the hopper 39 or the oxygen concentration in the rotary kiln 32 and sends a command to the carbonized raw material feeder 6 or the screw conveyor 40,
By maintaining the carbonized raw material in the hopper 39 at a predetermined level, a required hermeticity can be obtained, so that the shut gate can be made unnecessary. If the level of the carbonized raw material in the hopper 39 is low, the hermeticity is broken, and if the level of the carbonized raw material in the hopper 39 is high, the carbonized raw material is compacted and clogged.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. Included in this invention.

For example, besides chicken dung, besides poultry manure, organic matter such as beer brewing, coffee brewing, tea brewing, oil brewing, and okara brewing can be used as the carbonized raw material.

[0052]

As described above, according to the first aspect of the present invention, the carbonized raw material can be heated and carbonized by supplying the carbonized raw material to the rotary kiln disposed in the combustion chamber. At this time, by rotating the rotary kiln, the carbonized raw material can be inverted and stirred. Further, by providing the spiral weir along the inner wall of the rotary kiln, the carbonized raw material can be transported from the inlet side to the outlet side while carbonizing the carbonized raw material. At this time, by setting the number of turns of the spiral weir to a value obtained by dividing the carbonization time by the time required for one rotation of the rotary kiln, the carbonization time can be controlled to be constant by simply rotating the rotary kiln at a constant speed. Becomes Further, the vertical weir provided between the spiral weirs allows the carbonized raw material to be inverted and stirred in the circumferential direction of the rotary kiln. Further, by providing the inclined portion at the tip of the vertical weir, the carbonized raw material can be inverted and stirred in the axial direction of the rotary kiln. Therefore, it is possible to uniformly and efficiently transfer heat by inverting and stirring the carbonized raw material evenly, thereby preventing the core from remaining in the product.

According to the second aspect of the present invention, the rotary kiln is provided with air shut-off devices on the inlet side and the outlet side,
Activated carbon can be produced by controlling the oxygen concentration inside the rotary kiln. Also, with the air shutoff device,
Supply of the carbonized raw material and removal of the product in a state where the air is shut off can be performed without any trouble, and continuous production can be performed.

According to the third aspect of the present invention, continuous production can be performed by providing the carbonized raw material quantitative supply device on the inlet side of the rotary kiln. At this time, by extruding the carbonized raw material of the hopper with an extrusion cylinder device, even if the carbonized raw material has a high water content and viscosity, it can be supplied in a constant amount. In addition, by providing the hopper with a scraping blade that slides back and forth in the circumferential direction along the inner wall and extends almost vertically, even if the carbonized raw material has a high water content and viscosity, the hopper and the scraping blade can be used. The viscous carbonized raw material can be sent to the extrusion cylinder device without being attached. Further, by providing the scraping blade with a required angle of attack, the carbonized raw material having a high water content and viscosity can be advanced toward the extrusion cylinder device without needlessly compacting. In addition, the carbonized raw material can be handled without consolidation by sliding the scraper blade back and forth in synchronization with the operation of the fixed amount supply device.

According to the fourth aspect of the present invention, the same advantageous effects as those of the first to third aspects can be obtained, which is a practically useful effect.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of an embodiment of the present invention.

FIG. 2 is a front view of the quantitative supply device of FIG.

FIG. 3 is a side view of the quantitative supply device of FIG. 1;

FIGS. 4A to 4D are cross-sectional views of each part (A to D) of FIG.

FIG. 5 is a partially enlarged sectional view of FIG. 3;

FIGS. 6A and 6B are cross-sectional views of each part (E and F parts) in FIG.

FIG. 7 is a side sectional view of the carbonization furnace of FIG. 1;

FIG. 8 is a front view of the spiral weir of FIG. 7;

FIG. 9 is a partially enlarged side view of the spiral weir of FIG. 7;

FIG. 10 is a sectional view showing an air shutoff device on the exit side of the carbonization furnace.

FIG. 11 is a side view of FIG. 10;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 3 Quantitative supply apparatus 7 Carbonization furnace 20 Hopper 21 Extrusion cylinder apparatus 26 Scraping blade 27 Attack angle 31 Combustion chamber 32 Rotary kiln 33 Spiral weir 34 Vertical weir 36 Inclined part 37 Air shutoff device 38 Air shutoff device

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Toshitaka Irisawa 1230 Nissei Engineering Co., Ltd., Kobari Shinjuku, Ina-cho, Kita-Adachi-gun, Saitama F-term (reference) 4D004 AA02 AA04 AC05 BA03 CA26 CB09 CB34 4G046 CA00 CC09 HA09 HB02 HC09 HC23 HC26 4H012 HA03 HA04 JA09

Claims (4)

[Claims] 1. A carbonization furnace comprising a rotatable cylindrical rotary kiln extending substantially horizontally in a combustion chamber, a spiral weir provided on an inner wall of the rotary kiln, and a number of turns of the spiral weir. Is set to a value obtained by dividing the carbonization processing time by the time required for one rotation of the rotary kiln, and a vertical weir is provided between the spiral weirs so that the carbonized material can be inverted and stirred in the circumferential direction of the rotary kiln; A carbonization apparatus characterized in that an inclined portion is provided at the tip of the rotary kiln, at which the carbonized material can be inverted and stirred in the axial direction of the rotary kiln. 2. A carbonization apparatus according to claim 1, wherein air shut-off devices are provided on an inlet side and an outlet side of said rotary kiln. 3. A device for quantitatively supplying carbonized raw material is provided on the inlet side of the rotary kiln, the device for quantitatively supplying includes a hopper and an extrusion cylinder device provided below the hopper, and the hopper has an inclined inner wall. 3. A carbonizing apparatus according to claim 1, further comprising: a scraper blade reciprocatingly slidable in a circumferential direction along the blade, and extending substantially up and down, wherein the scraper blade has a required angle of attack. 4. A carbonization facility comprising the carbonization apparatus according to claim 1.