KR20130021518A - Thermal decomposition apparatus of organic-waste - Google Patents

Abstract

PURPOSE: A pyrolyzer is provided to completely block the inflow of air in a supply device of an organic waste, and supply a fixed quantity of chips. CONSTITUTION: A pyrolyzer of an organic waste comprises a pyrolysis furnace(53), a scraper apparatus for removing an adhesive, and a carbon residue processing unit processing a carbon residue(78). The carbon residue processing unit comprises a screw conveyor(70) accommodating and cooling a carbon residue(78) of an organic waste coming out of the pyrolysis furnace; a second screw conveyor(81) repeatedly cooling the carbon residue by accommodating the carbon residue cooled from the screw conveyor; a first and a second damper(90,91) supplying the carbon residue in a fixed quantity which comes out by discharging from the second screw conveyor; a selection conveyor(93) transferring to filter a metal material mixed in the carbon residue coming from the first and the second damper; a magnetic separator(92) which is installed around the selection conveyor, absorbs and separates the metal material by the magnetic force; a collector(94) collecting the selected metal material; and a storage compartment(95) storing the carbon residue in which the metal material is removed. An exhaust pipe(96) is installed in the storage compartment, a selection conveyor(93) and a collector(94), and remove the dust which is generated by connecting the exhaust pipe to a bag filter(97). A nitrogen supplying apparatus(98) is connected to the storage compartment, thereby preventing an explosion by the gas generated by supplying nitrogen in the storage compartment.

Description

Thermal decomposition apparatus of organic-waste

The present invention relates to a pyrolysis apparatus for organic wastes which is thermally decomposed to organic wastes and extracted with oil and gas.

Prior patent registration technology by the present inventors associated with the present invention is that of Patent Registration No. 10-962480. The present invention relates to an "organic waste pyrolysis apparatus", which relates to an apparatus for extracting fuel gas and fuel oil by thermal decomposition of organic waste, which is a polymer waste.

Another patent application by the present inventors related to this invention is the thing of patent application 2010-66035. This relates to a "pyrolysis furnace," in which organic waste introduced into the pyrolysis furnace is pyrolyzed to generate oil vapor, and the generated oil vapor is exhausted into a gas through a gas outlet, enters a tubular part, and enters an oil collection tank. During this process, carbon residues remain in the remaining carbides which are vaporized in the pyrolysis furnace.

In addition, there is a technique related to "system for extracting fuel oil by pyrolysing organic waste" of Patent Registration No. 10-955425 as a prior art by the present inventors.

The above technique does not completely block the generated air or the incoming air, even if the device for supplying the chip of this organic waste consisting of waste tire chips has a structure to block air inflow to some extent. Fire or explosion occurred in the pyrolysis unit.

In pyrolysis equipment that thermally decomposes organic waste chips, when oxygen in the atmosphere enters, explosions or fires occur due to internal combustion gases. As a result, problems often arise not only in facilities but also in human accidents.

Another patent application by the present inventors related to this invention is the thing of patent application 2010-66035. This relates to a "pyrolysis furnace" in which organic wastes introduced into the pyrolysis furnace are pyrolyzed to generate oil vapor. The generated oil vapor is exhausted into the gas through the gas outlet and flows into the oil collection tank 47. In this process, it is possible to accumulate drag or vapor adhesives, and a device for removing them is required.

The present invention is further invented by further improving the apparatus of the present invention.

In the present invention, the problem of quantitative supply generated in the device for supplying the chips of organic waste in the device and the problem of fire and explosion accident due to the air introduced during the process has been revealed.

In addition, there is a problem that the adhesive generated from the oil vapor prevents the smooth flow of the oil vapor and the oil collection work by blocking the gas pipe installed horizontally.

In addition, in the conventional apparatus, there was no separate treatment device for carbon residues.

In view of the above, the present invention has developed devices which can solve the above problems.

In the main configuration of the present invention, in the pyrolysis device of organic waste to crush the organic waste in the form of chips to thermally decompose it to extract the fuel oil to be stored in the oil collection tank 47, a chip for storing the organic waste in the form of chips It is equipped with a storage chamber (1), a transfer conveyor (4) for feeding organic waste chips from the chip storage chamber (1), and a load cell (11) to receive a fixed quantity supply of organic waste chips transferred from the transfer conveyor (4). A buffer hopper (9), a feeding hopper (12) installed under the buffer hopper (9), and equipped with a load cell (16), and a pyrolysis furnace (53) for pyrolyzing organic waste chips received from the feeding hopper. In addition, the scraper device is installed to remove the adhesive adhered by the oil vapor exhausted after the organic waste chip is pyrolyzed in the pyrolysis furnace 53, and carbon residues remaining after pyrolysis in the pyrolysis furnace 53 And a carbon residue treatment apparatus for treating 78), wherein the scraper device includes a vertical gas pipe 54 vertically installed on an upper portion of the pyrolysis furnace 53 and oil vapor adhered inside the vertical gas pipe 64. In order to scrape off the adhesive, a scraper 40 vertically reciprocated by a cylinder, a gas pipe 41 installed in a horizontal connection with the vertical gas pipe 54, and installed inside the gas pipe 41. It characterized in that it comprises a side scraper 42, the side scraper 42 is made of a coil shape, by scraping the adhesive adhered to the inner wall of the gas pipe 41 in accordance with the rotation of the side scraper 42 to the pyrolysis furnace Characterized in that it is configured to be pushed toward 53

In addition, the carbon residue treatment apparatus receives a screw conveyor 70 for accommodating and cooling the carbon residue 78 of organic waste from the pyrolysis furnace 53, and a carbon residue 78 cooled in the screw conveyor 70. The second screw conveyor (81) for cooling the carbon residue again, the first and second dampers (90,91) for supplying a fixed amount of the carbon residue discharged from the second screw conveyor (81), and the first and second dampers. (90,91) sorting conveyor (93) for transporting to filter the metal material mixed in the carbon residues, and the magnetic separator installed around the sorting conveyor (93) to adsorb and separate the metal material by magnetic force ( 92), a collecting container 94 for collecting the sorted metal material, and a storage chamber 95 for storing the carbon residue from which the metal material is removed, wherein the screw conveyor 70 and the second screw are provided. Conveyor 81 is the same sphere The screw conveyor (70) is configured to form a cooling passage (75) inside the casing (74) of its outer diameter so that the coolant flows, and the shaft (72) having a screw (73) inside the screw conveyor (70). ) Is installed to transfer the carbon residue in the rotation of the shaft, the screw 73 is formed with a concave bucket 79, characterized in that the carbon residue can be configured to lift, the casing 74 is characterized in that to install a screw 73 so that the space 77 is formed in the upper portion, and the exhaust pipe 96 to the storage chamber 95, the sorting conveyor 93 and the collecting container 94 And the exhaust pipe 96 is connected to the bag filter 97 to remove dust generated. The nitrogen supply device 98 is connected to the storage chamber 95 to supply nitrogen. Gas generated in storage room 95 Characterized in that is configured to prevent detonation of

According to the present invention, the inflow of air from the chip feeder of organic waste can be completely blocked and the chips can be supplied in quantity, thus preventing accidents such as explosions and fires caused by the inflow of air in the subsequent pyrolysis process of the chip. This can greatly contribute to the protection of facilities and the prevention of safety accidents.

In addition, according to the present invention, it is possible to remove the adhesive adhering to the gas pipe 41 installed in the transverse direction before pulling up the oil vapor generated in the pyrolysis furnace 53 and flowing into the oil collecting tank. The oil can be collected in a clean state to facilitate or shorten the post-treatment process, and the separated adhesive is introduced back into the pyrolysis furnace 53, so that the adhesive can be completely pyrolyzed secondarily.

In addition, according to the present invention, the carbonized carbon residues are separately collected to enable continuous pyrolysis operation in a pyrolysis furnace, and the remaining carbon residues can be recycled by predetermined cooling and recovery treatment. In addition, it is possible to solve the problem of the explosion or polluting gas which is likely to occur in the process according to the system of the present invention. In addition, accurate and quantitative supply by the first and second dampers (90,91) ensures the correct and smooth operation of the recovery facility, and it is possible to remove and remove the metal material mixed in the carbon residues, thereby reprocessing the carbon residues separately. It can be recycled without

1 is a view for explaining a chip supply apparatus of organic waste according to the present invention
2 is an enlarged view illustrating main parts of FIG. 1;
Figure 3 is a detailed view of the flap damper used in the present invention
4 is a view for explaining a side scraper device according to the present invention;
5 shows a side scraper according to the present invention.
6 is a side view of a side scraper;
7 is a block diagram of a carbon residue treatment apparatus according to the present invention
FIG. 8 is an explanatory view of principal parts of major components of FIG. 7; FIG.
9 is a detailed view of the screw conveyor 70.

1 relates to an apparatus for supplying organic waste in an apparatus according to the invention.

As shown, the present invention, for example, from the chip storage chamber (1) for storing the crushed waste tires and the like into chips to the transfer conveyor (4) by the screw conveyor (3) through the stirring by the agitator (2) Send chips

Alternatively, if necessary, it can be supplied via a drawer tube 6 separately provided under the chip storage chamber 1. In this case, an opening and closing damper 7 for supply control is installed.

The chip sent to the conveying conveyor 4 is pushed forward by the conveying screw 8 installed therein. When the tip of the transfer conveyor 4 is reached, chips are dropped into the buffer hopper 9 by the opening and closing operation of the flap damper 14. The load cell 11 is installed at the inlet of the buffer hopper 9, and when the weight is set by a predetermined amount of chips, the introduced chips are sent downward.

The lower end of the buffer hopper 9 is provided with a flap damper 10 for controlling the introduced chips down again. A feeding hopper 12 is installed at the bottom of the flap damper 10, and a rotary valve 13 is installed at the bottom of the feeding hopper 12 so that the supply of chips to the lower portion of the flap damper 10 is quantitatively performed. The load cell 16 is also installed in the flap damper 10 to supply chips to the bottom when the weight reaches a predetermined amount.

2 is an enlarged view illustrating main parts of FIG. 1;

As shown, the lead portion 20 is formed at the tip of the conveying conveyor 4, the chip is supplied by the flap damper 14 provided on the lower portion. Installing the flap damper 14 can prevent the air from entering. The flap damper 10 which operates by air pressure was also installed in the buffer hopper 9 which a chip is supplied to the lower part.

On the other hand, the confirmation window 25 is provided in the buffer hopper 9 and the feeding hopper 12 side, and the exhaust pipe 26 was provided in the upper part, respectively. Confirmation window 25 is of a structure consisting of a transparent window that can confirm the inside of the buffer hopper 9 and the feeding hopper 12, the exhaust pipe 26 is to allow the air inside the discharge. The exhaust pipe 26 is exhausted by an exhaust device 28 having an exhaust fan 27.

The exhaust device 28 is not only connected to the buffer hopper 9 and the feeding hopper 12 but also to the flap dampers 10 and 14 and the load cells 11 and 16 and the rotary valve 13, which are caused by these components. All air can be evacuated, preventing air from entering the subsequent process. Thus, in the subsequent process of thermally decomposing the chip to separate and extract gas and oil, problems such as explosion and combustion caused by air inflow can be eliminated.

In addition, in the above structure, the primary and secondary flap dampers 14 and 10 and the secondary and secondary load cells 11 and 16 are installed to accurately measure and supply a chip supply amount.

If the supply amount of chip is not accurate, there is a change in operation to the condition set by the pyrolysis device. Therefore, it is difficult and inconvenient to change the set operation condition. As a result, the chip feeding device is a very important part of the device.

In particular, the rotary valve 13 additionally installed at the lower end is a device capable of very accurate metering according to the amount of rotation, and is also a device for preventing air inflow. For example, if air is introduced, the explosion may occur in the oil and gas generation process due to the pyrolysis operation in the pyrolysis furnace 53 for the chip, which is a subsequent process.

3 shows the configuration of the flap dampers 10 and 14 which are provided below the lead portion 20 and below the buffer hopper 9.

As shown, the flap dampers 10 and 14 are installed just below the chute 30 at the lower end of the lead portion 20 and the buffer hopper 9 to open and close the lower end.

The flapper 32 is opened and closed at the bottom of the chute 30, and the flapper 32 is opened and closed with the shaft 33 as the hinge axis. That is, the lever 35 connected to the front end of the piston 34 is pivotally connected to the shaft 33 by the pulling operation of the piston 34 of the air cylinder 3, thereby turning the lever 35. Flapper 32 connected to the opening and closing operation

According to the organic waste supply device as described above, the inflow of air from the chip supply device can be completely blocked, and the quantity of chips can be supplied. Accidents can be prevented beforehand, which can greatly contribute to facility protection and safety accidents.

4 is a view for explaining the process after the organic waste chip described above is introduced into the pyrolysis furnace 53 through the buffer hopper 9 and the feeding hopper 12.

In the pyrolysis furnace 53 composed of several stages as illustrated, the chips of the organic wastes introduced are pyrolyzed to produce oil vapor. At this time, the vertical gas pipe 54 is installed on the pyrolysis furnace 53, the scraper 40 is installed.

The scraper 40 is connected to the cylinder to scrape the inner wall of the vertical gas pipe 54 by an operation of scraping the vertical gas pipe 54 by the piston operation of the cylinder. A gas pipe 41 is horizontally connected to the upper side of the scraper 40, a gas pipe 41 is connected to a condenser 44, and an oil collection tank 47 is provided below the condenser 44. Therefore, by the cooling action in the condenser 44, the oil vapor condenses and collects in the oil collection tank 47.

In the present invention, the side scraper 42 is provided inside the gas pipe 41 to be installed. The side scraper 42 rotates inside the gas pipe 41, but the reason for installing the scraper 42 is to scrape off the sticky or sticky material adhered to the inner wall of the gas pipe 41. When the side scraper 42 rotates, the adhesive adhered to the inner wall is scraped and pushed toward the scraper 40 to be dropped below the pyrolysis furnace 53.

A condenser 44 is installed at the horizontal end of the gas pipe 41. In the condenser 44, a cooling tube 46 through which cooling water supplied from the cooling tower 45 flows is provided in a zigzag manner, and as the cooling water passes through the cooling tube 46 in a zigzag manner, the temperature inside the condenser 44 decreases. Drop. Then, since the oil component of the oil vapor contained in the gas passing through the condenser 44 is cooled and condensed to fall down, oil can be collected in the oil collection tank 47 configured thereunder.

5 is a detailed view of the side scraper 42.

As shown in the figure, the side scraper 42 is formed in a coil shape horizontally, and the wing piece 48 is formed to scratch the inner wall of the gas pipe 41 itself. The adhesive which has emerged is configured so that the adhesive can be pushed to the left side when the side scraper 42 rotates. That is, the side scraper 42 itself is configured in a horizontal manner in a spiral manner, and when the side scraper 42 itself rotates, the scraped scraped material is advanced and pushed out in the spiral direction.

FIG. 6 is a view of FIG. 2 viewed from the right side.

As shown in the drawing, when the pulley 50 rotates the rotational force of the motor 49 to turn the rotation shaft 51, the side scraper 42 coaxially connected with the rotation shaft 51 is configured to rotate.

According to the above configuration, before the oil vapor and the like generated in the pyrolysis furnace 53 rise and flow into the oil collecting tank, the adhesive adhered to the gas pipe 41 installed in the horizontal direction can be removed, and The oil can be collected in a convenient state, which makes the post-treatment process convenient or short.

In addition, according to the present invention, the separated adhesive is introduced back into the pyrolysis furnace 53, so that the adhesive can be completely pyrolyzed secondarily.

FIG. 7 is a device for treating residual carbon residue after pyrolysis of organic waste chips in the pyrolysis furnace 53 shown in FIG.

As shown, after pyrolyzing organic waste in the pyrolysis furnace 53, the remaining carbon residue 78 is introduced into the inlet 71 of the screw conveyor 70. The temperature of the carbon residue 78 introduced is about 300 to 350 degrees Celsius. Therefore, the carbon residue remaining at such a high temperature still contains a lot of residual gas.

Therefore, carbon residues should be cooled down and residual gas should be treated safely.

To this end, as shown in Figure 8, a screw conveyor 70 is installed, which is formed on the outer periphery of the shaft 72, the screw 73 is formed and the outer casing 74 is formed. A partition wall 76 is formed just inside the casing 74, and cooling water flows therein to help cool the carbon residues therein. The coolant inlet 82 and the coolant outlet 83 are formed at one end and the other end of the screw conveyor 70, respectively.

The screw 73 formed on the shaft 72 is not installed tightly on the inner diameter of the casing 74 but is installed so that the space 77 is formed on the upper portion thereof. The reason for this installation is to give the receiving space and flow passage of the gas generated inside. Without this space 77, equipment failure or explosion may occur due to the residual gas pressure generated.

The carbon residue 79 introduced into the inlet 71 is pushed forward as the screw 73 rotates. At this time, the gas generated inside goes up into the space 77.

On the other hand, a screw (79) is formed on the screw 73, while the screw 73 rotates to operate as if the carbon residue (78) to rip off. The bucket 79 itself has a concave gourd shape and rotates as if the carbon residue 78 is scooped out. Thus, the carbon residues are quickly heat exchanged to promote cooling and to help the gas remaining within the capital residues 78 to be discharged quickly.

When the carbon residue 78 is pushed to the end of the screw 73 by the screw 73 is discharged through the outlet 80 formed in the lower portion. The temperature of the carbon residue 78 coming out of the discharge port 80 is in a state where the temperature is dropped to about 150 degrees Celsius, and enters the inlet port 84 of the second screw conveyor 81 as shown in FIG.

Since the configuration of the second screw conveyor 81 is the same as the configuration of the screw conveyor 70, its structural description is omitted. With this double, two screw conveyors, the carbon residue can cool down to about 80 degrees Celsius when discharged, and exhaust the residual gas.

The cooling water supplied from the cooling water supply device 85 is branched into the cooling water inlet 82 and the second cooling water inlet 86 of the screw conveyor 70, respectively, and is introduced into the screw conveyor 70 and the second screw conveyor 81. Cooling water exiting the cooling water outlet 83 and the second cooling water outlet 88 through the cooling water is discharged to the cooling water discharge device 87 is disposed or supplied to another heating device using the heat source of the waste cooling water or the cooling water supply device (85) can be recycled and recycled.

The temperature of the carbon residue 78 coming out of the second outlet 89 through the second screw conveyor 81 can be dropped to about 80 degrees Celsius as described above, so that it can be safely treated in subsequent processing.

The carbon residues discharged are metered out through the first and second dampers 90 and 91. The first and second dampers use dampers operated by air cylinders. The reason for sending out through the two dampers is to prevent the unexpected explosion or fire by blocking the supply of the correct amount of carbon residue and the inflow of air by quantitative measurement.

The carbon residues passed through the dampers are sent to the sorting conveyor 93 and picked out by the magnetic separator 92 installed in the vicinity thereof. The magnetic separator 92 is a magnetic device and can magnetically attract and filter a metal material attachable to a magnet.

The sorted metal material is collected in the collecting container 94, and the remaining carbon residue is sent to the storage chamber 95 by the screw conveyor 100 via the supply pipe 99, and then stored and recycled as necessary.

In this process, the exhaust pipe 96 is installed in the storage chamber 95, the sorting conveyor 93, and the collecting container 94 so that the exhaust pipe 96 is connected to the bag filter 97 to remove dust generated. In addition, the nitrogen supply device 98 is connected to the storage chamber 95 to supply nitrogen to prevent explosions caused by the gas generated in the storage chamber 95.

According to the present invention as described above, the inflow of air from the supply device of the chip of organic waste can be completely blocked and supply the chip of quantitative, such as explosion and fire caused by the inflow of air in the subsequent pyrolysis process of the chip. Accidents can be prevented beforehand, which can greatly contribute to facility protection and safety accidents.

In addition, according to the present invention, it is possible to remove the adhesive adhering to the gas pipe 41 installed in the transverse direction before pulling up the oil vapor generated in the pyrolysis furnace 53 and flowing into the oil collecting tank. The oil can be collected in a clean state to facilitate or shorten the post-treatment process, and the separated adhesive is introduced back into the pyrolysis furnace 53, so that the adhesive can be completely pyrolyzed secondarily.

In addition, according to the present invention, the carbonized carbon residues are separately collected to enable continuous pyrolysis operation in a pyrolysis furnace, and the remaining carbon residues can be recycled by predetermined cooling and recovery treatment. In addition, it is possible to solve the problem of the explosion or polluting gas which is likely to occur in the process according to the system of the present invention. In addition, accurate and quantitative supply by the first and second dampers (90,91) ensures the correct and smooth operation of the recovery facility, and it is possible to remove and remove the metal material mixed in the carbon residues, thereby reprocessing the carbon residues separately. It can be recycled without

4 Transfer conveyor 9 Buffer hopper
10 Flap Damper 11 Load Cell
12 Feeding Hopper 13 Rotary Valve
14 Flap Damper 16 Load Cell
20 Drawer 25 Confirmation Window
28 Exhaust System 30 Chute
31 Air Cylinder 32 Flapper
33 shaft
40 scraper 41 gas pipe
42 side scraper 44 condenser
45 Cooling tower 47 Oil collection tank
48 wing 49 motor
50 pulley 51 rotary shaft
53 Pyrolysis furnace 54 Vertical gas pipe
70 screw conveyor 72 shaft
73 screw 74 casing
75 cooling flow path 77 space
78 Carbon residue 79 Bucket
81 2nd Conveyor Screw 90,91 1st, 2nd Damper
92 Magnetic Separator 93 Sorting Conveyor
94 Collectors 95 Storage Room
99 pipeline

Claims (9)

In the pyrolysis device of organic waste to pulverize the organic waste in the form of chips to thermally decompose it to extract the fuel oil to be stored in the oil collection tank 47,
Chip storage chamber (1) for storing organic waste in the form of chips,
Transfer conveyor (4) for supplying organic waste chips received from the chip storage chamber (1),
A buffer hopper 9 equipped with a load cell 11 to receive a fixed quantity supply of organic waste chips received from a transfer conveyor 4,
A feeding hopper 12 installed below the buffer hopper 9 and having a load cell 16 mounted thereon;
Pyrolysis furnace (53) for pyrolyzing the organic waste chip received from the feeding hopper,
The scraper device is installed to remove the adhesive adhered by the oil vapor exhausted after the organic waste chip is pyrolyzed in the pyrolysis furnace 53,
Organic waste pyrolysis apparatus comprising a carbon residue treatment apparatus for treating carbon residue 78 remaining after pyrolysis in the pyrolysis furnace 53. According to claim 1, The scraper device,
Vertical gas pipe 54 is installed vertically on the pyrolysis furnace 53,
A scraper 40 vertically reciprocated by a cylinder to scrape off the oil vapor adhered to the inside of the vertical gas pipe 64;
A gas pipe 41 connected to and installed in a horizontal direction of the vertical gas pipe 54;
Pyrolysis device of organic waste, characterized in that it comprises a side scraper (42) installed inside the gas pipe (41) The method of claim 2,
The side scraper 42 is made of a coil shape, according to the rotation of the side scraper 42 to scrape off the adhesive adhered to the inner wall of the gas pipe 41, characterized in that configured to be pushed toward the pyrolysis furnace 53 Pyrolysis device of organic waste According to claim 1, wherein the carbon residue treatment apparatus,
Screw conveyor 70 for receiving and cooling the carbon residue 78 of the organic waste from the pyrolysis furnace 53,
A second screw conveyor 81 which receives the carbon residue 78 cooled by the screw conveyor 70 and cools the carbon residue again;
First and second dampers 90 and 91 for quantitatively supplying the carbon residue discharged from the second screw conveyor 81;
A sorting conveyor (93) for conveying to filter the metallic material mixed in the carbon residues passed through the first and second dampers (90,91);
Magnetic separator 92 is installed around the sorting conveyor 93 to adsorb and separate the metal material by magnetic force.
Collector 94 for collecting the selected metal material,
Pyrolysis device of organic waste, characterized in that it comprises a storage chamber (95) for storing the carbon residue from which the metal material is removed The method of claim 4, wherein
The screw conveyor 70 and the second screw conveyor 81 is made of the same structure, the screw conveyor 70 is formed so that the cooling water flows by forming a cooling flow path 75 inside the casing 74, the outer diameter. In the screw conveyor 70, a shaft 72 having a screw 73 is installed to transfer carbon residues by rotation of the shaft. The method of claim 5, wherein
The screw (73) is formed with a concave bucket (79), the thermal decomposition device of organic waste, characterized in that configured to be able to pour carbon residues The method of claim 5, wherein
The casing 74 is a pyrolysis device for organic waste, characterized in that to install a screw 73 so that the space 77 is formed in the upper portion thereof The method of claim 4, wherein
The exhaust pipe 96 is installed in the storage chamber 95, the sorting conveyor 93, and the collecting container 94, and the exhaust pipe 96 is connected to the bag filter 97 to remove dust generated. Pyrolysis device of organic waste The method of claim 4, wherein
The pyrolysis device of organic waste, characterized in that to connect the nitrogen supply device 98 to the storage chamber 95, to prevent explosion by the gas generated in the storage chamber 95 by the supply of nitrogen.

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