JPH09262277A - Method and device for melting and solidifying waste - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a melting/solidifying method such that an object to be processed consisting mainly of resin can be efficiently processed, completely sterilized even if it is a resin container such as a used medical syringe with a needle, greatly reduced in dimensions as a waste resin, and transformed into a resin block so as to be utilized for recycling. SOLUTION: An object to be processed mainly consisting of resin is put in a solidifying tank 20, heat-sterilized by heating the tank 20, and melted. Then, the object is pressurized from above inside the tank 20, with the upper layer of the object depressed as the lower layer is melted in the tank 20; also, the air in the object is forced out, as is a gas generated during the melting of the object; after the object is melted, it is kept warm for a set time for aging. Subsequently, the melted object is cooled, solidified, transformed into a resin block and taken out of the solidifying tank 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for melting and solidifying waste resin for heat sterilizing a syringe including a used injection needle.

[0002]

2. Description of the Related Art A conventional technique for heating, melting, and treating a waste resin of a syringe including a used injection needle of this type is disclosed in, for example, JP-A-3-31515 and 5-2.
There are techniques described in Japanese Patent No. 3657, Japanese Patent Application Laid-Open No. 5-317371, Japanese Utility Model Publication No. 5-46447, and the like.

[0003]

However, the above-mentioned conventional technique has one of the following problems. The processing efficiency of the object to be processed mainly of resin is poor. When handling resin containers such as medical syringes, needle insertion accidents are frequent, so sterilization is performed in accordance with national guidelines. The volume of waste resin cannot be reduced enough. After the waste resin is melted and solidified, it cannot be made into a resin block that can be recycled.

The problem to be solved by the present invention is to solve the above-mentioned problems of the prior art and to efficiently process an object to be processed mainly composed of a resin, and the object to be processed includes a medical injection needle, for example. A waste resin that can be completely sterilized according to national guidelines even for resin containers such as syringes, can significantly reduce the volume of waste resin to be processed, and can be made into a resin block that can be effectively used for recycling. To provide a method of melting and solidifying.

Another object of the present invention is to provide an apparatus for melting and solidifying waste resin, which can accurately carry out the method of the present invention with a simple and easy-to-handle facility.

Further, another problem to be solved by the present invention is that a part of the waste resin such as a syringe with a used injection needle contains a metal piece having a sharp corner or a contaminant such as an illustrator. Even in such a case, it is an object to provide an apparatus for melting and solidifying a waste resin which can be formed into a resin block that can be safely processed and handled safely.

Further, another problem to be solved by the present invention is to melt the waste resin which is easy to use so that the deaeration press plate and the resin block can be easily taken out from the solidification tank after the treatment of the object to be treated, It is to provide a solidification device.

[0008]

In order to solve the above-mentioned problems, in the present invention, an object to be treated mainly containing a resin is put into a solidification tank, and the solidification tank is heated to heat and melt the object to be treated. Pressurize the object to be treated from the upper part in the solidification tank, sink the upper layer part as the lower part of the object in the solidification tank is melted, and the air contained in the object to be treated Eject the generated gas generated during the melting of the product, heat sterilize the syringe contaminated with infectious bacteria in a medical institution under the necessary and sufficient conditions, after melting the object to be processed, aging by incubating for a set time, The molten object is cooled and solidified to form a resin block, and then the resin block is taken out from the solidification tank.

In order to solve the above-mentioned problems, in the present invention, a heat-retaining tank which is a closed container, a solidification tank which is made of metal and is placed inside the heat-retaining tank in which an object to be treated is placed, and a lower portion of the solidification tank A heat source that melts the object to be processed in the solidification tank by heating from the side, and is placed on the object to be processed in the solidification tank that is formed to have a large weight and the lower layer of the object to be processed in the solidification tank melts. As a result, the upper layer of the object to be processed is pressurized, and the air contained in the object to be processed and the deaeration press plate that expels the gas generated from the object to be processed during melting and the high temperature heater A heater tank for contact and sterilization, and a gas adsorption tank for adsorbing and purifying harmful components in the generated gas sucked from the inside of the heat retaining tank,
And a gas suction pump for sucking the air and the generated gas from the heat-retaining tank, and a cooling medium for feeding a cooling medium around the solidifying tank to cool and solidify the object to be processed melted in the solidifying tank. The device is provided with a lock device that cannot open the lid door for a predetermined time during operation.

Further, in order to solve the above-mentioned problems, according to the present invention, a protective container made of a metal plate or a wire mesh is housed in the bottom of the solidification tank, and an object to be treated is housed in a resin container.
The storage container is placed in a solidification tank to treat the object to be treated which has a risk of containing foreign matters in the waste resin.

Further, in order to solve the above problems, in the present invention, a means for receiving the deaeration press plate is provided at a predetermined position in the depth direction of the solidification tank.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 8 show an example of an apparatus for carrying out the method of the present invention. FIG. 1 is a partially cutaway front view showing an outline of the entire apparatus for melting and solidifying waste resin, and FIG. 1 is a plan view, FIG. 3 is a system diagram of a device for melting and solidifying waste resin, FIG. 4 is a vertical sectional view of a solidification tank, FIG. 5 is a plan view of FIG. 4, and FIG. 6 is a vertical sectional view of a deaeration press plate. 7 is a plan view of FIG. 6, and FIG. 8 is a circuit diagram of the control device.

Melting of the waste resin of the embodiment shown in these figures,
As shown in FIGS. 1 and 3, the solidifying device includes a mounting table 1, an exterior case 3, a heat retaining tank 8, a support frame 18 for various members, and an electric heater which is a heat source for melting an object to be processed. 19, solidification tank 20, protective container 23, and storage container 2
4, a deaeration press plate 25, a gas adsorption tank 30 for the generated gas of the object to be treated, a gas suction pump 32, a cooling outside air intake supply device 33, and a control device 38.

As shown in FIG. 1, the caster 2 is attached to the mounting table 1 so that it can be moved to the vicinity of the storage place of the object to be processed. Various members such as the outer case 3 are mounted on the mounting table 1, and the gas adsorption tank 30, the control device 38, and the like are mounted.

The outer case 3 is, as shown in FIG.
It is mounted on the mounting table 1. An opening 4 is provided on the top of the outer case 3. In this opening 4,
A lid 5 is attached, and the lid 5 is openably and closably attached via a hinge 6 as shown in FIG. 2, and a grip 7 is provided. Then, the heat insulation tank 8 and the solidification tank 20 are passed through the opening 4 in the upper part of the outer case 3.
The storage container 24 is put in and taken out.

As shown in FIG. 1, the heat-retaining tank 8 is housed in the outer case 3 and mounted on the mounting table 1. An opening 9 is provided in the upper portion of the heat retaining tank 8, and a lid 10 is fitted in the opening 9.
The lid body 10 is provided with a handle 11, and as shown in FIG. 3, the lid body 10 can be stopped by a clamp 12. Further, a relatively thick bottom plate 13 is attached to the heat retaining tank 8. The heat-retaining tank 8 is formed as a hermetically sealed container so that the generated gas or the like generated during melting of the object to be processed is temporarily sealed and the object to be melted is kept warm. Furthermore, an operation panel 14 is attached to the outside of the heat retaining tank 8.

As shown in FIG. 1, the operation panel 14 is provided at a position where an operator can easily operate it. The operation panel 14 has a push button 15 to be pushed when the operation of the apparatus is started.
And a push button 16 to be pushed at the time of stop and a push button 17 to be pushed at the time of exchanging the gas adsorption tank. These push buttons 15 to 17 make it possible for the operator as well as others to know the operating state of the apparatus. It is like this.

The support frame 18 is installed on the bottom plate 13 of the heat retaining tank 8 as shown in FIG.

A sheath heater, for example, is used for the electric heater 19 which is the heat source. This electric heater 19
As shown in FIG. 1, it is supported on the support frame 18. Further, the electric heater 19 is constructed so that its temperature can be adjusted.

The solidification tank 20 is made of metal such as stainless steel and is formed in a pot shape as shown in FIGS. 1, 4 and 5. Inside the solidification tank 20, a step portion 21 that is a means for receiving the deaeration press plate 25 is provided at a predetermined position near the bottom portion in the depth direction. Also, the solidification tank 20
A pot-shaped temple 22 used when the solidification tank 20 is taken in and out is attached to the upper part of the. The solidifying tank 20 is housed inside the heat retaining tank 8.
And the support frame 18 to which the electric heater 19 is attached
Is placed on top. In the solidification tank 20, the object to be processed is heated and melted, then cooled and solidified into a predetermined shape.

The protective container 23 is made of a material such as a metal plate or a wire mesh, which is insoluble in high temperatures and solvents.
It is shaped like a shallow basket. And this protective container 2
3 receives a metal piece, an illustrator, an injection needle, etc. contaminated in the object to be processed, and melts the object to be processed, and then shrinks and solidifies as it cools, the metal piece, the illustrator, an injection needle, etc. The foreign matter is protected so as not to protrude from the resin block.

The storage container 24 is made of resin, stores the object to be treated therein, and is accommodated in the solidification tank 20 as shown in FIG. This storage container 24
Is designed to melt together with the object to be processed when the object is heated.

The deaeration press plate 25 is made of metal and has a large weight. Further, as shown in FIG. 1, the deaeration press plate 25 is fitted inside the solidification tank 20,
Further, it is formed to have a size to be mounted on the step portion 21 provided in the solidification tank 20. Further, as shown in FIGS. 6 and 7, the deaeration press plate 25 is provided with a large number of air escape holes 26 at substantially equal intervals, and the upper surface of the deaeration press plate 25 has a handle. 27 is attached. The deaeration press plate 25 is mounted in the solidification tank 20,
The object to be processed in the storage container 24 is pressurized, and the air contained in the object to be processed and the gas generated during the melting of the object to be processed are rapidly transferred from the solidification tank 20 to the heat retaining tank 8 from the object to be processed. It is supposed to be kicked out to.

In the initial stage of operation, the contaminated air in the resin expands as the temperature rises, and in order to prevent the contaminated air from overflowing from the heat-retaining tank before being heat-sterilized, in a heater at a temperature of 700 ° C. or higher. A heater tank for passing gas into contact therewith and performing sterilization treatment instantaneously is operated until the heat-retaining tank 8 reaches 200 ° C. or higher to completely maintain the surrounding environment against infectious bacteria.

In this embodiment, as the gas adsorption tank 30, as shown in FIG. 3, a double gas adsorption tank in which an upper tank 30a and a lower tank 30b are stacked is used. The gas adsorption tank 30 is equipped with an adsorbent that adsorbs harmful components of the gas generated from the object to be treated. Further, as shown in FIG. 1, the gas adsorption tank 30 is installed in the mounting table 1, and the upper tank 30a is connected to the heat retaining tank 8 through the gas intake pipe 29 having the gas intake nozzle 28, and the lower stage The tank 30b is connected to a gas suction pump 32 via a gas suction pipe 31. In the gas adsorption tank 30, the air expelled from the object to be treated and the gas generated during the melting of the object to be treated are introduced from above the inside of the heat retaining tank 8 into the gas intake nozzle 28 and the gas intake pipe 29. It is designed to be taken in through, adsorbed on an adsorbent, and collected.

The gas suction pump 32 is also the mounting table 1 described above.
It is installed inside. This gas suction pump 32
As shown in FIG. 3, the gas adsorption tank 30 is connected to the lower tank 30 b through a gas suction pipe 31.
The gas treated in (1) is sucked in, and the detoxified purified gas is released to the atmosphere.

As shown in FIG. 3, the cooling outside air intake supply device 33 has an outside air intake port 34 and a solenoid valve 35.
And an air amount control valve 36. The cooling outside air intake supply device 33 is attached to the mounting table 1 described above, and the cooling air is sent to the lower portion inside the heat insulating tank 8 through the air amount control valve 36 and the air sending pipe 37 to solidify the solidifying tank 20. The melted object to be processed is cooled and solidified.

The control device 38 is provided with control circuits such as an electric heater 19, a gas suction pump 32, a blower (not shown) for the cooling outside air intake supply device 33, and an air amount control valve 36, and controls these devices. Is configured to. Further, the operation panel 14 is connected to the control device 38.

Next, one embodiment of the method of the present invention will be described with reference to the operation of the waste resin melting and solidifying device having the above-mentioned structure.

The object to be treated in this example is
A resin container such as a syringe with a used injection needle. Therefore, it is necessary to pay attention to safety and hygiene when treating this.

Therefore, first, when processing an object to be processed mainly made of resin as described above, the entire apparatus is moved to near the storage location of the object to be processed via the caster 2.

A protective container 23 made of a metal plate or a wire mesh is set at the bottom of the solidification tank 20. On the other hand, a predetermined amount of the object to be processed is stored in the resin storage container 24. And
The storage container 24 containing the object to be processed is stored in the solidification tank 20.

Further, the lid 5 of the outer case 3 is opened, the lid 10 of the heat-retaining tank 8 is removed, and the solidification tank 20 in which the protective container 23 and the storage container 24 containing the object to be treated are stored is used. And hang it through the opening 4 of the outer case 3 and the opening 9 of the heat retaining tank 8 into the heat retaining tank 8.
It is installed on the electric heater 19 supported by the support frame 18.

Then, as shown in FIG. 1, the temple 22 of the solidification tank 20 is turned down, and the deaeration press plate 25 is placed on the object to be treated in the solidification tank 20. Further, the lid 10 is fitted into the opening 9 of the heat-retaining tank 8, and the lid 10 is stopped by the clamp 12.

The lid 5 is attached to the opening 4 of the outer case 3 and the opening 4 is closed. In this state, the operator pushes the push button 15 that is pushed when the operation panel 14 attached to the heat insulation tank 8 is started. When the push button 15 is pressed, the ignition side switch for the electric heater of the control device 38 is turned on and the electric heater 19 is ignited.

As described above, when the electric heater 19 is ignited, the solidification tank 20 is heated, and the resin container 24 and the object to be treated, which is waste resin, are heated and melted. .

The deaeration press plate 25 placed in the solidification tank 20 and placed on the object to be processed pressurizes the object to be processed in the upper layer portion in the solidification tank 20 and sinks it. At this time, the air contained in the object to be treated and the generated gas generated during the melting of the object to be treated are expelled by the deaeration press plate 25, and the air escape provided in the deaeration press plate 25. It escapes into the heat insulation tank 8 through the hole 26. Unless the air contained in the object to be processed or the generated gas generated during the melting of the object to be processed is promptly expelled, the heat transfer efficiency is poor,
It takes a long time to melt the waste resin to be treated. In this respect, in this embodiment, as the melting proceeds from the lower layer portion in the solidification tank 20, the degassing press plate 25 pressurizes the object to be processed and causes it to sink, and at the same time, it enters the object to be processed. Since the air and the generated gas generated during the melting of the object to be processed are driven out, the melting efficiency of the object to be processed can be increased.

As described above, the air contained in the object to be processed and expelled and the generated gas generated during the melting of the object to be treated are temporarily enclosed in the hermetically-sealed protective layer 8. The inside of the heat insulating tank 8 is kept in a high temperature atmosphere by the air and the generated gas. In order to prevent an abnormal increase in the internal pressure in the heat-retaining tank, and because the contaminated air cannot be released to the outside air as it is, the gas passes through the inside of the high-temperature heater tank and is contacted immediately, and is instantly sterilized, and leaks to the adsorption tank.

When the object to be treated is heated or melted, if the object to be treated has some foreign matter such as metal pieces having a sharp angle, illustrator and injection needle, the foreign matter is a metal plate or a wire mesh. It is received by the protective container 23 formed in. This prevents impurities of the object to be processed from protruding onto the surface of the resin block when the resin block is formed.

The deaeration press plate 25 descends as the object to be processed is heated and melted. When the deaeration press plate 25 descends to a predetermined position, the deaeration press plate 25 is located below the solidification tank 20 in the depth direction. It is received by a step portion 21 provided at a position closer to it. This prevents the deaeration press plate 25 from adhering to the resin block when forming the resin block.

After heating and melting of the object to be processed, a set time is set,
The inside of the solidification tank 20 is kept at a high temperature, and the melted object is aged. As a result, even if the object to be treated is a medical-use resin container, it can be sanitized safely when completely sterilized in accordance with national guidelines and formed into a resin block.

After aging the molten object to be processed for a set time, the electric heater 19 is extinguished, the gas suction pump 32 shown in FIG. 3 is started, and air and generated gas are sucked from the upper portion of the heat retaining tank 8 by the gas suction nozzle 28. The gas is taken into the gas adsorption tank 30 through the gas intake pipe 29. This gas adsorption tank 30 is configured in a two-stage manner of an upper tank 30a and a lower tank 30b, and an adsorbent is installed in each of the tanks of the upper tank 30a and the lower tank 30b. The contained harmful components are adsorbed on the adsorbent and purified. The gas adsorption tank 30
The gas that has been purified and detoxified by is sucked by the gas suction pump 32 from the lower tank 30b of the gas adsorption tank 30 through the gas suction pipe 31 and released to the atmosphere.

As described above, while sucking the air and the generated gas in the heat retaining tank 8, the cooling outside air intake supply device 33 shown in FIG. 3 is activated, and the outside air for cooling is taken in through the outside air intake port 34, and the control valve 36. The amount of air is controlled by, and cooling air is sent from the lower part of the heat insulating tank 8 through the air sending pipe 37 to cool and solidify the molten object in the solidifying tank 20.

As described above, in this embodiment, the high temperature air and the generated gas are sucked from the upper portion of the heat retaining tank 8 and taken out, and then the cooling air is fed into the heat retaining tank 8 to cool the solidifying tank 20. Since the object to be processed is cooled,
The cooling efficiency can be improved.

By cooling the object to be treated in the solidification tank 20 with cooling air to solidify it, the object to be treated contracts and a resin block is formed.

After cooling the resin block to a substantially predetermined temperature, the cooling outside air intake supply device 33 is stopped. This stop may be automatic or manual. After that, the outer case 3
The lid 5 is opened, the clamp 12 of the lid 10 of the heat retaining tank 8 is released, and the lid 10 is removed. Next, the solidification tank 20 containing the resin mass is taken out from the outer case 3 through the opening 9 of the heat retaining tank 8 and the opening 4 of the outer case 3. When the object to be treated is subsequently processed, after removing the deaeration press plate 25 and the resin block from the solidification tank 20,
An object to be treated, which is waste resin, is newly placed in a resin storage container 24, the storage container 24 is placed in the solidification tank 20, and the above-described processing steps are repeated.

The resin block thus formed is recycled.

Further, specific examples will be listed.

{Example 1} According to this Example 1, it was possible to obtain a resin block in which the volume of the object to be treated was reduced to about 1/4.

{Example 2} Also in this Example 2, it was possible to obtain a resin block in which the volume of the object to be treated was reduced to about 1/4.

{Example 3} According to this Example 3, the volume of the object to be treated, which is a syringe with a puncture needle, can be reduced to about 1 / 4.5, and a completely sterilized resin block can be obtained in accordance with national safety guidelines. It was

By the way, in the present invention, another heat source may be used as the heat source instead of the electric heater 19.

The means for receiving the deaeration press plate 25 is not limited to the stepped portion 21, but a part of the solidification tank 20 may be a tapered surface, or a plurality of protrusions may be provided on the same circumference. .

Further, not only air but also water may be used as the cooling medium for the molten object to be treated.

[0056]

As described above, according to the first aspect of the present invention.
In the invention described, the object to be treated mainly of resin is put into a solidification tank made of metal, and the object to be treated is heated and melted by heating the solidification tank, and the object to be treated is heated from the upper part in the solidification tank. As the lower layer of the material to be processed in the solidification tank is melted by pressurizing, the upper layer of the material to be processed is submerged, and the air contained in the material to be processed and Since the generated gas is expelled, it has the effect of efficiently melting the object to be processed, and since the object to be processed is kept warm for a set time after melting, the object to be processed is a medical resin. Even a container has the effect of being completely sterilized in accordance with national safety guidelines and can be processed without any problems in hygiene, so that the molten material to be processed can be cooled and solidified to form a resin block. The effect that can significantly reduce the volume of the processed object There are, there is also an effect that may be subjected to resin mass recycling.

According to the second aspect of the present invention,
A heat insulation tank that is a closed container, a solidification tank made of metal, a heat source,
A heavy-duty deaeration press plate, a gas adsorption tank and a gas suction pump for the gas generated from the object to be processed, and a cooling medium supply device for the molten object to be processed. The thing is put in the solidification tank, the solidification tank is housed in the heat retention tank, and is installed on the upper part of the heat source, and the object to be treated in the solidification tank is heated and melted by the heat source from the lower part of the solidification tank, At this time, the object to be processed is pressed from the upper part by the deaeration press plate, and as the lower layer part of the object to be processed is melted, the upper layer part is submerged, and at the same time, the air contained in the object to be processed, Eject the generated gas generated during the melting of the object to be processed, heat sterilize the object to be processed, melt it, and age it in the heat retaining tank for a set time.After aging, the air and the gas in the heat retaining tank by the gas suction pump. In the generated gas by the gas adsorption tank Adsorbing harmful components, while purifying,
Since the cooling medium is fed into the heat-retaining tank by the cooling-medium supply device to cool and solidify the object to be processed melted in the solidification tank to form a resin block, the method of the present invention is handled easily. Easy equipment has the effect of being able to implement it accurately.

Further, in the invention according to claim 3 of the present invention, a protection container made of metal or wire mesh and a storage container made of resin are provided, and the protection container is stored at the bottom of the solidification tank to be treated. Since the waste resin is stored in a storage container and then put in the solidification tank, the waste resin may be treated as if it contains metal pieces with sharp edges, illustrators, and foreign substances such as injection needles. Even if it is a product, it has an effect that it can be handled safely, and in the process of melting the object to be treated, the contaminants are received by the protective container, and after melting, the contaminants are projected onto the surface of the resin mass that has been cooled and solidified. Since this is not done, there is an effect that the resin block can be handled safely.

Further, in the invention according to claim 4 of the present invention, a receiving means for the deaeration press plate is provided at a predetermined position in the depth direction of the solidification tank, and the object to be treated in the solidification tank is from the lower layer portion. When the deaerating press plate descends while pressurizing the object as it is heated and melted, the deaerating press plate is received by the receiving means, melted in the solidification tank, and then cooled and solidified. Since the deaeration press plate adheres to the lump and is not integrated, the deaeration press plate and the resin lump can be easily taken out from the solidification tank after processing the object to improve usability. There is a measurable effect.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing an outline of an entire apparatus for melting and solidifying waste resin.

FIG. 2 is a plan view of FIG.

FIG. 3 is a system diagram of an apparatus for melting and solidifying waste resin.

FIG. 4 is a vertical sectional view of a solidification tank.

FIG. 5 is a plan view of FIG.

FIG. 6 is a vertical sectional view of a deaeration press plate.

FIG. 7 is a plan view of FIG. 6;

[Explanation of symbols] 1 mounting table 3 exterior case 8 heat-retaining tank 14 operation panel 19 electric heater that is a heat source 20 solidification tank 21 step portion that is a means for receiving a press plate for deaerating 23 metal plate or wire mesh protective container 24 resin Made storage container 25 deaeration press plate 26 air escape hole 29 gas intake pipe 30 gas adsorption tank 31 gas suction pipe 32 gas suction pump 33 cooling outside air intake supply device which is a supply device of cooling medium 38 control device

Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display location B09B 3/00 303G

Claims (4)

[Claims] 1. A treatment object mainly made of resin such as a syringe including a used injection needle is put in a solidification tank, and the treatment object is heated and melted by heating the solidification tank, and from the upper part of the solidification tank. Pressurizes the object to be processed, causing the lower layer of the object in the solidification tank to melt, causing the upper layer to sink, and the air contained in the object and the intermediate part of the object being melted Eliminate the generated gas that is generated, heat sterilize the syringe contaminated with infectious bacteria in a medical institution under necessary and sufficient conditions,
After melting the object to be processed, aging it by keeping it warm for a set time, cooling and solidifying the melted object to form a resin block, and melting the waste resin, which is characterized by taking out the resin block from the solidification tank, Solidification method. 2. A heat-retaining tank which is a closed container, a solidification tank which is made of metal and which is placed inside the heat-retaining tank, and which is heated from the lower side of the solidification tank so that the solidification tank is heated. A heat source for melting the processed material, and an upper layer portion of the processed material that is formed into a large weight and placed on the processed material in the solidification tank, and the lower layer portion of the processed material in the solidification tank is melted A press plate for deaeration that pressurizes the air contained in the object to be processed and the generated gas generated from the object to be processed during melting, and a heater tank for sterilizing by passing the air and the generated gas. , A gas adsorption tank for adsorbing and purifying harmful components in the generated gas sucked from the inside of the heat retaining tank, and a gas suction pump for sucking the air and the generated gas from inside the heat retaining tank, around the solidification tank The cooling medium is sent to the to cool the object to be melted in the solidification tank. A supply device of a cooling medium to be solidified, a lock device that cannot open the lid door for a predetermined time during operation,
An apparatus for melting and solidifying waste resin, characterized by comprising 3. The bottom of the solidification tank contains a protective container made of a metal plate or wire mesh, the resin-made storage container stores the object to be treated, and the storage container is put into the solidification tank to dispose of the waste resin. The apparatus for melting and solidifying a waste resin according to claim 2, wherein an object to be processed having a risk of containing impurities is treated. 4. The apparatus for melting and solidifying waste resin according to claim 2, wherein a receiving means for the deaeration press plate is provided at a predetermined position in the depth direction of the solidification tank.