JP2008000740A - Device and method for treating organic solid waste - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a high-throughput carbonization treating device that discharges neither odor nor CO<SB>2</SB>. <P>SOLUTION: The system is provided with a first furnace 1 that is connectable to a nitrogen supply device T for supplying nitrogen into the furnace and heats an organic solid waste P at a predetermined temperature to perform dehydration and degassing processes, a second furnace 2 that is connectable to a nitrogen supply device T for supplying nitrogen into the furnace and heats the organic solid waste P treated in the furnace 1 at a predetermined temperature to thermally decompose and carbonize the same, and a third furnace 3 that is connectable to a nitrogen supply device T for supplying nitrogen into the furnace and cools down the organic solid waste P treated in the furnace 2 to a predetermined temperature. The furnaces 1, 2, and 3 are formed by comparting a single longitudinal internal space in a furnace with comparting doors 5 that can perform compartmentation and cancel the compartmentation. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a processing apparatus and a processing method for organic solid waste such as dead cows.

Conventionally, industrial waste is mainly incinerated at a temperature of about 900 ° C. for the purpose of decomposition of dioxins by complete combustion. However, according to this treatment, the amount of CO ₂ generated is large, and it is not possible to meet the recent demand for global warming.

  As this type of technology, Patent Literature 1 discloses a processing apparatus and a processing method for organic solid waste such as scrap meat and meat-and-bone meal. In this treatment method, the scrap meat is heated to the natural temperature together with the wood chip for auxiliary combustion to spontaneous combustion and pyrolysis, and more specifically, the spontaneous combustion is incompletely burned while maintaining the furnace space in an oxygen-deficient state. Then, the thermal decomposition is continued in a state where the carbon component hardly burns, and finally carbonization is completely carried out to the inside (of the waste meat M). According to this treatment method, “Compared to conventional incineration of scrap meat using fossil fuels, energy consumption is extremely low, processing can be carried out at a very low cost, and carbon dioxide emissions are markedly reduced. It is said that the load on the environment is minimal. Furthermore, “the carbonized product can be reused as a safe charcoal material for various purposes such as a soil conditioner, a hygroscopic material, and a water-moisture purification material”.

JP 2004-324961 A (paragraph numbers 0032, 0033, 0039, FIG. 7, FIG. 8)

The treatment method of Patent Document 1 is very excellent in terms of CO ₂ emission and reuse of carbonized products. However, on the other hand, as shown in FIG. 7 and FIG. 8 of the above-mentioned patent document, a wood chip for auxiliary combustion is required, and the configuration in the furnace is complicated. In FIG. There was room for improvement, such as requiring a dehumidifying dryer.

The present invention has been made in view of such various points, and a main object thereof is to provide a carbonization processing apparatus having a high processing capacity and which does not emit odor and CO ₂ .

Means and effects for solving the problems

  The problems to be solved by the present invention are as described above. Next, means for solving the problems and the effects thereof will be described.

According to the first aspect of the present invention, there is provided an organic solid waste carbonization apparatus configured as follows. That is, a first furnace that can be connected to a nitrogen supply device that supplies nitrogen into the furnace and heats organic solid waste at a predetermined temperature to perform dehydration and degassing, and nitrogen that supplies nitrogen into the furnace A second furnace that can be connected to a supply device and that heats and decomposes the organic solid waste treated in the first furnace at a predetermined temperature; and a nitrogen supply device that supplies nitrogen into the furnace. A third furnace that is connectable and cools the organic solid waste treated in the second furnace to a predetermined temperature. The first furnace, the second furnace, and the third furnace are formed by partitioning an internal space of a single long furnace by a partition door that can partition and release the section. With the above configuration, the dehydration process and the degassing process, the carbonization process, and the cooling process are performed in different furnaces, that is, the temperatures of the furnaces constituting the carbonization apparatus are substantially constant. The time required for raising and lowering the furnace temperature is not required, so that a carbonization apparatus having a high processing capacity can be obtained. Since the first furnace, the second furnace, and the third furnace are formed by simply partitioning a single long furnace using the partition door, the organic matter between the furnaces is released by releasing the partition. Easy transport of solid waste is realized. Further, since the inside of the furnace can be made into a nitrogen atmosphere, generation of odor and CO ₂ in each furnace can be avoided, and spontaneous combustion of the organic solid waste in the second furnace and the third furnace can be avoided. Furthermore, the carbonized organic solid waste can be used as a new resource.

  The organic solid waste treatment apparatus is preferably configured as follows. That is, the first furnace and the second furnace are configured as a muffle furnace. According to the above configuration, since the heating chamber and the processing chamber in each furnace are completely separated by the presence of the partition walls, the configuration in each furnace is simplified, so that high workability for cleaning in each furnace is achieved. Is realized.

  The organic solid waste treatment apparatus is preferably configured as follows. That is, a plurality of hearth rollers are arranged in parallel in the furnaces of the first furnace, the second furnace, and the third furnace, and the organic solid waste is placed on the plurality of hearth rollers in a state of being stored in a tray. Is transported between each furnace. According to the above configuration, the organic solid waste can be transported very smoothly between the furnaces with a simple configuration.

According to the second aspect of the present invention, the treatment of the organic solid waste is performed by the following method. That is, a first step in which organic solid waste is heated at a predetermined temperature in a nitrogen atmosphere to perform dehydration treatment and degassing treatment, and the organic solid waste treated in the first step in a nitrogen atmosphere at a predetermined temperature. And a second step of carbonizing by pyrolysis and carbonization, and a third step of cooling the organic solid waste treated in the second step to a predetermined temperature under a nitrogen atmosphere. Thus, by performing the treatment in each furnace under a nitrogen atmosphere, generation of odor and CO ₂ in each furnace is avoided, and spontaneous combustion of the organic solid waste in the second furnace and the third furnace is performed. Can be avoided. The carbonized organic solid waste can be used as a new resource.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front sectional view of a carbonization apparatus according to an embodiment of the present invention. 2 is a cross-sectional view taken along line 2-2 in FIG.

  As shown in FIG. 1, in the present embodiment, the carbonization processing apparatus 100 includes a first furnace 1, a second furnace 2, and a third furnace 3 that are arranged in a row. Among these, the first furnace 1 can be connected to a nitrogen supply device T that supplies nitrogen into the furnace, and plays a role of dehydrating and degassing the organic solid waste P by heating it at a predetermined temperature. Hereinafter, the configuration of the first furnace 1 will be described in detail.

  That is, the first furnace 1 is formed in a box shape composed of heat insulating walls with a predetermined thickness, and a pair of heat insulating walls facing in the horizontal direction is used to carry the organic solid waste P into the first furnace 1. A carry-in hole 1n and a carry-out hole 1s for carrying out the organic solid waste P appropriately treated in the first furnace 1 to the second furnace 2 are respectively drilled. A cylindrical muffle furnace 1m is formed from the formed heat insulating wall toward the heat insulating wall in which the carry-out hole 1s is formed (see also FIG. 2). The muffle furnace 1m is made of partition walls made of heat-resistant metal or thin refractory. Is formed. The organic solid waste P in the processing chamber 1h is indirectly heated by burning a combustion gas such as propane gas in the heating chamber 1k. The carry-in hole 1n and the carry-out hole 1s formed in the first furnace 1 are configured to be closed by a partition door 5 that can be moved up and down by the operation of the hydraulic cylinder 4. The organic solid waste P is stored in the tray 6 for easy handling. The tray 6 is made of, for example, stainless steel, and is formed in a box shape with an open top, and on a plurality of hearth rollers (conveying rollers) 7, 7... Arranged in parallel in the muffle furnace 1m. It is placed in a stacked state of a predetermined level (1 level in FIG. 2, for example, 2 levels or 3 levels or more are possible). The hearth rollers 7, 7... Are specifically arranged in parallel with the extending direction of the muffle furnace 1 m, and are connected to a driving motor such as a stepping motor, for example, by appropriately controlling the driving motor. High-precision positioning of the tray 6 in the muffle furnace 1 m (positioning in the extending direction of the muffle furnace 1 m) is realized.

  In order to supply nitrogen to the processing chamber 1h, the muffle furnace 1m is formed with a nitrogen supply hole and a nitrogen pipe 1t extending from the nitrogen supply hole to the outside of the muffle furnace 1m, and the nitrogen pipe 1t A connecting flange for connecting to the nitrogen supply device T schematically shown by a two-dot chain line is provided at the tip of the. Similarly, in order to discharge the gas such as water vapor and organic gas generated in the muffle furnace 1m, the heat insulation wall of the first furnace 1 has a gas discharge hole and the gas discharge hole to the outside of the muffle furnace 1m. An extending gas pipe 1g is formed, and a connection flange for connecting to a gas suction device G schematically indicated by a two-dot chain line is provided at the tip of the gas pipe 1g. On the other hand, in order to supply combustion gas to the heating chamber 1k, the heat insulating wall of the first furnace 1 has a combustion gas supply hole, and a combustion gas pipe 1b extending from the combustion gas supply hole to the outside of the first furnace 1. , And a connection flange is provided at the tip of the combustion gas pipe 1b for connection to the combustion gas supply device B schematically indicated by a two-dot chain line. Furthermore, in the muffle furnace 1m, an unillustrated temperature measuring device for measuring the temperature in the muffle furnace 1m, an unillustrated pressure measuring device for measuring the pressure in the muffle furnace 1m, Is provided. A drain hole 1d for draining the water in the muffle furnace 1m is formed in the lower part of the muffle furnace 1m.

  The second furnace 2 can be connected to a nitrogen supply device T that supplies nitrogen into the furnace, and the organic solid waste P treated in the first furnace 1 is heated and thermally decomposed at a predetermined temperature. To play a role in carbonization. Hereinafter, the configuration of the second furnace 2 will be described in detail. In addition, about the structure same as the structure of the 1st furnace 1 among the structures of the 2nd furnace 2, the description is omitted suitably.

  That is, the second furnace 2 is formed in a box shape including a heat insulating wall, and a carry-in hole 2n, a carry-out hole 2s, and a muffle furnace 2m are formed. By combusting the combustion gas in the heating chamber 2k, the organic solid waste P in the processing chamber 2h is indirectly heated. The carry-in hole 2n and the carry-out hole 2s are configured to be closed by a partition door 5 that is operated by the hydraulic cylinder 4. A plurality of hearth rollers 7, 7 ... are arranged side by side in the muffle furnace 2m. The muffle furnace 2m is provided with a nitrogen pipe 2t and a gas pipe 2g, and a combustion gas pipe 2b is formed on the heat insulation wall of the second furnace 2. A temperature meter and a pressure meter are provided in the muffle furnace 2 m. A drain hole 2d for draining water in the muffle furnace 2m is formed in the lower part of the muffle furnace 2m.

  The third furnace 3 can be connected to a nitrogen supply device T that supplies nitrogen into the furnace, and serves to cool the organic solid waste P treated in the second furnace 2 to a predetermined temperature. Take on. Hereinafter, the configuration of the third furnace 3 will be described in detail. In addition, about the structure same as the structure of the 1st furnace 1 among the structures of the 3rd furnace 3, the description is omitted suitably.

  That is, the third furnace 3 is formed in a box shape made of a heat insulating wall, and a carry-in hole 3n, a carry-out hole 3s, and a muffle furnace 3m are formed. A cooling chamber 3k is formed between the heat insulating wall of the third furnace 3 and the muffle furnace 3m, and a fan 3f for air-cooling the muffle furnace 3m is provided in the cooling chamber 3k. Further, a heat exchanger 3e shown schematically is provided in the muffle furnace 3m. The heat exchanger 3e serves to cool the cooling water in the cooling water flow pipe arranged along the outer periphery of the muffle furnace 3m. The carry-in hole 3n and the carry-out hole 3s are configured to be closed by a partition door 5 that is operated by the hydraulic cylinder 4. A plurality of hearth rollers 7, 7 ... are arranged side by side in a muffle furnace 3m. The muffle furnace 3m is provided with a nitrogen pipe 3t and a gas pipe 3g. A temperature meter and a pressure meter are provided in a muffle furnace 3 m. A drainage hole 3d for draining water in the muffle furnace 3m is formed in the lower part of the muffle furnace 3m.

  The carry-out hole 1s and the carry-in hole 2n face each other, and when the tray 6 is carried out from the first furnace 1 through the carry-out hole 1s, this tray 6 is simultaneously carried into the second furnace 2 through the carry-in hole 2n. In addition, the partition door 5 for closing the carry-out hole 1s of the first furnace 1 serves as a so-called partition plate for closing the carry-in hole 2n of the second furnace 2 at the same time. Similarly, the carry-out hole 2s and the carry-in hole 3n face each other, and when the tray 6 is carried out from the second furnace 2 through the carry-out hole 2s, at the same time, the tray 6 is carried into the third furnace 3 through the carry-in hole 3n. The partition door 5 configured to close the carry-out hole 2s of the second furnace 2 simultaneously functions as a partition plate, which closes the carry-in hole 3n of the third furnace 3. From another point of view, the first furnace 1, the second furnace 2, and the third furnace 3 define an internal space (partition) of a single long furnace, and indicate the partitioned state. In other words, the carbonization treatment apparatus 100 according to this embodiment can be said to be a tunnel-type continuous furnace.

  On the opposite side of the second furnace 2 and the first furnace 1 is provided a first standby stand H for waiting the tray 6 to be carried into the first furnace 1, and the second furnace 2 and the third furnace 1 On the opposite side across the furnace 3, a second standby stand I is provided for waiting the tray 6 carried out from the third furnace 3. In the present embodiment, the hearth rollers 7, 7,... Are not provided on the upper surface of the first standby stand H, and the hearth rollers 7, 7,.

  Under the furnaces of the first furnace 1, the second furnace 2 and the third furnace 3, the drainage unit 1U for storing drainage pipes 1r, 2r and 3r extending downward from the drainage holes 1d, 2d and 3d.・ 2U / 3U is formed.

  Next, the carbonization method according to the present embodiment will be described. FIG. 3 is a flow of the carbonization processing method according to an embodiment of the present invention. In the following description, the subject of carbonization treatment will be described as a dead cow (hereinafter also simply referred to as a cow).

<Zero process: S300>
This step is a step of cutting a pre-frozen dairy cow into blocks of a predetermined size. A known cutting machine is used for cutting the dairy cow. Regarding the predetermined size, the size of the tray 6 actually used may be considered.

<First step: S310>
This step is a step in which the organic solid waste P is heated at a predetermined temperature and dehydrated and degassed in a nitrogen atmosphere. Details are as follows.

  That is, the cows (hereinafter also simply referred to as “dairy cow pieces”) cut into blocks of a predetermined size in the zeroth step are appropriately stored in the tray 6 and placed on the first waiting stand H, and the carry-in hole 1n is closed. The partition door 5 to be moved is raised by operating the hydraulic cylinder 4, the tray 6 is loaded into the first furnace 1, and the hydraulic cylinder 4 is operated again to lower the partition door 5, closing the loading hole 1n. To do. As a result, the muffle furnace 1 m is made to be in a confined state.

  Next, nitrogen is supplied from the nitrogen supply device T into the muffle furnace 1m through the nitrogen pipe 1t, and at the same time, the gas suction device G is intermittently operated to let the air in the muffle furnace 1m pass through the gas pipe 1g. Discharge. As a result, the inside of the muffle furnace 1 m is brought to a substantially complete nitrogen atmosphere. The reason why the inside of the muffle furnace 1m is a nitrogen atmosphere is to ensure good heat transfer in the muffle furnace 1m and to exclude oxygen.

  Next, the combustion gas is supplied from the combustion gas supply device B into the heating chamber 1k through the combustion gas pipe 1b, and the combustion gas is ignited by a known method, so that the nitrogen atmosphere in the muffle furnace 1m is about 20 to Heat for 30 minutes. At this time, the temperature of the nitrogen atmosphere in the muffle furnace 1 m is maintained at a predetermined temperature (150 ± 20 ° C.). This temperature adjustment will be realized by adjusting the supply amount of the combustion gas based on the measurement result of the above-mentioned temperature sensor. According to the above, the cow piece is heated and the cow piece is dehydrated and degassed. The “temperature of the organic solid waste” is considered in the “temperature of the nitrogen atmosphere existing around the cow piece”.

  Also during the above heating, it is preferable that nitrogen supply by the nitrogen supply device T is always performed, and gas discharge by the gas suction device G is performed intermittently (for example, every 20 seconds). Gases such as water vapor and organic gas generated by heating the cow piece are appropriately treated by a neutralizer (not shown) provided in the gas suction device G.

  The heating in the second step is generally performed for 20 to 30 minutes.

<Second step: S320>
This step is a step of heating and pyrolyzing and carbonizing the organic solid waste P treated in the first step at a predetermined temperature in a nitrogen atmosphere. Details are as follows.

  That is, when the processing in the first step is completed, the partition door 5 is raised by operating the hydraulic cylinder 4 related to the partition door 5 that partitions the first furnace 1 and the second furnace 2, and the hearth roller 7 The tray 6 in the first furnace 1 is carried into the second furnace 2 by appropriately controlling the rotation of 7. When the positioning of the tray 6 in the second furnace 2 is completed, the hydraulic cylinder 4 is operated to lower the partition door 5 and close the loading hole 2n of the second furnace 2 again.

  Next, nitrogen is supplied into the muffle furnace 2m from the nitrogen supply device T through the nitrogen pipe 2t, and at the same time, the gas suction device G is intermittently operated to let the air in the muffle furnace 2m pass through the gas pipe 2g. Discharge. As a result, the inside of the muffle furnace 2m is made a substantially complete nitrogen atmosphere. The reason why the inside of the muffle furnace 2m is in a nitrogen atmosphere is to ensure good heat transfer in the muffle furnace 2m and to avoid spontaneous combustion of the carbonized dairy cow pieces by eliminating oxygen.

  Next, the combustion gas is supplied from the combustion gas supply device B into the heating chamber 2k through the combustion gas pipe 2b, and the combustion gas is ignited by a known method, so that the nitrogen atmosphere in the muffle furnace 2m is about 120 to Heat for 180 minutes. At this time, the temperature of the nitrogen atmosphere in the muffle furnace 2m is maintained at a predetermined temperature (450 ± 20 ° C.). This temperature adjustment may be realized by monitoring the above-mentioned temperature measuring device as in the first step. According to the above, a cow piece is heated, pyrolyzed and carbonized.

  Also during the above heating, it is preferable that nitrogen supply by the nitrogen supply device T is always performed, and gas discharge by the gas suction device G is performed intermittently (for example, every 20 seconds). Gases such as water vapor and organic gas generated by heating the cow pieces are appropriately treated by a neutralizer (not shown) provided in the gas suction device G.

<Third step: S330>
This step is a step of cooling the organic solid waste P treated in the second step to a predetermined temperature in a nitrogen atmosphere. Details are as follows.

  That is, when the carbonization in the second step is completed, the partition door 5 is raised by operating the hydraulic cylinder 4 provided in the partition door 5 that partitions the second furnace 2 and the third furnace 3, and the hearth roller The tray 6 in the second furnace 2 is carried into the third furnace 3 by appropriately controlling the rotation of 7. When the positioning of the tray 6 in the third furnace 3 is completed, the hydraulic cylinder 4 is actuated to lower the partition door 5 and close the loading hole 3n of the third furnace 3 again.

  Next, nitrogen is supplied from the nitrogen supply device T into the muffle furnace 3m through the nitrogen tube 3t, and at the same time, the gas suction device G is intermittently operated to supply the air in the muffle furnace 3m through the gas tube 3g. Discharge. As a result, the inside of the muffle furnace 3m is brought to a substantially complete nitrogen atmosphere. The reason why the muffle furnace 3m is made to have a nitrogen atmosphere is to avoid spontaneous combustion of carbonized dairy cow pieces by excluding oxygen.

  Next, the air cooling fan 3f is operated and the heat exchanger 3e is operated to rapidly cool the nitrogen atmosphere in the muffle furnace 3m. This cooling is continued until the temperature of the nitrogen atmosphere in the muffle furnace 3 m reaches a predetermined temperature (normal temperature).

  In addition, also in the above cooling, it is preferable that nitrogen supply by the nitrogen supply device T is always performed, and gas discharge by the gas suction device G is performed intermittently (for example, every 20 seconds). Gases such as water vapor and organic gas generated by heating the cow pieces are appropriately treated by a neutralizer (not shown) provided in the gas suction device G.

  After that, the carbonized dairy cow pieces that have been appropriately cooled in the third step are carried out to the second stand I.

As described above, the carbonization apparatus 100 in the above embodiment is configured as follows. That is, the first furnace 1 that can be connected to a nitrogen supply device T that supplies nitrogen into the furnace and that heats the organic solid waste P at a predetermined temperature to perform dehydration and degassing, and nitrogen in the furnace A second furnace 2 that can be connected to a nitrogen supply device T that supplies the organic solid waste P treated in the first furnace 1 at a predetermined temperature and thermally decomposes and carbonizes; and nitrogen in the furnace And a third furnace 3 that cools the organic solid waste P treated in the second furnace 2 to a predetermined temperature. The first furnace 1, the second furnace 2, and the third furnace 3 are formed by partitioning an internal space of a single long furnace by a partition door 5 that can partition and release the section. With the above configuration, the dehydration process and the degassing process, the carbonization process, and the cooling process are performed in different furnaces, that is, the temperatures of the furnaces constituting the carbonization apparatus 100 are substantially constant. Therefore, the time required for raising and lowering the temperature in the furnace becomes unnecessary, so that the carbonization processing apparatus 100 having high processing capability can be obtained. Since the first furnace 1-, the second furnace 2, and the third furnace 3 are formed by simply partitioning a single long furnace using the partition door 5, Easy transportation of the organic solid waste P between the furnaces is realized. Further, since the inside of the furnace can be a nitrogen atmosphere, generation of odor and CO ₂ in each furnace can be avoided, and spontaneous combustion of the organic solid waste P in the second furnace 2 and the third furnace 3 can be avoided. . Further, the carbonized organic solid waste P can be used as a new resource. It should be noted that the carbonization apparatus 100 according to the above embodiment can carbonize 6 cows in just 4 hours. In other words, the time required for one cycle is 4 hours.

  The carbonization apparatus 100 is further configured as follows. That is, the first furnace 1 and the second furnace 2 are configured as a muffle furnace 1 m (2 m). According to the above configuration, since the heating chamber 1k (2k) and the processing chamber 1h (2h) in each furnace are completely separated by the presence of the partition walls, the configuration in each furnace is simplified. High workability for cleaning inside is realized.

  The carbonization apparatus 100 is further configured as follows. That is, in the furnaces of the first furnace 1, the second furnace 2, and the third furnace 3, a plurality of hearth rollers 7, 7... Are arranged in parallel, and the organic solid waste P is placed on the tray 6. In the accommodated state, it is transported between the furnaces on the plurality of hearth rollers 7, 7. According to the above configuration, the organic solid waste P can be transported very smoothly between the furnaces with a simple configuration.

Moreover, in the said embodiment, the process of the organic solid waste P is performed by the following methods. That is, the organic solid waste P is heated at a predetermined temperature in a nitrogen atmosphere to perform dehydration treatment and degassing treatment, and the organic solid waste P treated in the first step in a nitrogen atmosphere is A second step of heating at a predetermined temperature, pyrolyzing and carbonizing, and a third step of cooling the organic solid waste P treated in the second step to a predetermined temperature under a nitrogen atmosphere. By performing the treatment in each furnace under a nitrogen atmosphere in this way, generation of odor and CO ₂ in each furnace is avoided, and the organic solid waste P in the second furnace 2 and the third furnace 3 is avoided. Spontaneous combustion can be avoided. Further, the carbonized organic solid waste P can be used as a new resource.

  Although the preferred embodiments of the present invention have been described above, the above embodiments can be implemented with the following modifications.

◆ It is desirable to use commercially available silicoloy (registered trademark) as the heat insulation walls, muffle furnaces 1m, 2m, 3m, and tray 6 that make up the carbonization apparatus 100. According to this, heat resistance of about 1200 ° C. can be obtained.

◆ It is possible to connect the gas suction device G to a dioxin detector.

◆ The carbonization processing apparatus 100 according to the above embodiment is most suitable for a dead dairy cow from the viewpoint of extremely high processing capacity. Of course, the present carbonization apparatus 100 is not limited to the disposal of dead dairy cows, but can also be applied to the treatment of other animals (pigs, sheep, chickens, bears, todos, etc.).

◆ An additional deodorizing device may be provided in the carbonizing apparatus 100 in order to remove some odor generated when cutting a frozen dairy cow. If the carbonization processing apparatus 100 according to the above embodiment is employed, all the processes (except for the cutting process) are performed in a nitrogen atmosphere, and therefore, it is assumed that almost no odor is emitted.

◆ In the above embodiment, to heat the nitrogen atmosphere in the muffle furnace 1m, 2m, and 3m, the heat generated by the combustion of combustion gas such as propane gas is used. A configuration using a heating element is also conceivable.

◆ The application of products such as carbides and hydrocarbon oils as a result of the carbonization processing apparatus 100 according to the above embodiment will be left to future research and development.

Front sectional drawing of the carbonization processing equipment concerning one embodiment of the present invention. Sectional view taken along line 2-2 in FIG. Flow of carbonization method according to one embodiment of the present invention

Explanation of symbols

1 First furnace
2 Second furnace
3 Third furnace
4 Hydraulic cylinder
5 compartment door
6 trays
7 Hearth roller
B Combustion gas supply device
T Nitrogen supply device
G Gas suction device

Claims (4)

A first furnace that can be connected to a nitrogen supply device that supplies nitrogen into the furnace, heats the organic solid waste at a predetermined temperature, and performs dehydration and degassing;
A second furnace that can be connected to a nitrogen supply device that supplies nitrogen into the furnace, and heats and decomposes the organic solid waste treated in the first furnace at a predetermined temperature and carbonizes;
A third furnace that can be connected to a nitrogen supply device that supplies nitrogen into the furnace, and cools the organic solid waste treated in the second furnace to a predetermined temperature;
With
The first furnace, the second furnace, and the third furnace are formed by partitioning an internal space of a single long furnace by a partition door capable of partitioning and releasing the partition,
Carbonization treatment equipment for organic solid waste The first furnace and the second furnace are configured as a muffle furnace,
The carbonization processing apparatus of the organic solid waste of Claim 1 characterized by the above-mentioned In the furnace of the first furnace and the second furnace, the third furnace, a plurality of hearth rollers are arranged in parallel,
The organic solid waste is transported between the furnaces on the plurality of hearth rollers in a state of being stored in a tray.
An apparatus for carbonizing organic solid waste according to claim 1 or 2, A first step of dehydrating and degassing the organic solid waste by heating at a predetermined temperature under a nitrogen atmosphere;
A second step in which the organic solid waste treated in the first step is heated at a predetermined temperature and pyrolyzed and carbonized under a nitrogen atmosphere;
A third step of cooling the organic solid waste treated in the second step to a predetermined temperature under a nitrogen atmosphere;
including,
Carbonization treatment method for organic solid waste

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