JPH11105034A - Method and apparatus for grinding and washing synthetic resin container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain raw material which is closely restored to virgin material by washing out substantially completely contaminants adhering to a PET bottle. SOLUTION: A PET bottle grinding and washing apparatus 20 comprises a grinding means 3, a washing means 4, a rinsing and hydrating means 5 and a foreign matter removing means 6. The grinding means 3 grinds a PET bottle. The washing means 4 wahes flakes resulting from through grinding by the grinding means 3. The rinsing and hydrating means 5 rinses and cleans flakes washed by the washing means 4 and hydrates flakes so rinsed and cleaned. The foreign matter removing means 6 removes foreign matters from flakes. Furthermore, an organic solvent washing means 21 and a flake skin polishing means 26 are provided. The organic solvent washing means 21 washes flakes using an organic solvent. The flake skin polishing means 26 separates dirty powders by stirring flakes at a high speed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The method and apparatus for crushing and cleaning a synthetic resin container according to the present invention, for example, use a used PET (polyethylene terephthalate) container (so-called PET bottle) in order to effectively use resources. The present invention relates to a method and an apparatus for reusing, and particularly to a method and an apparatus for reliably and efficiently performing the washing when the PET bottle is crushed and washed.

[0002]

2. Description of the Related Art In recent years, awareness of the preservation of the natural environment has been increasing, and as a part thereof, campaigns for recycling have been activated. In other words, the importance of suppressing the harmful effects on the environment when disposing of wastes from various household items, etc., and suppressing the wasteful consumption of limited resources by effectively using the resources is loudly voiced. The above-mentioned recycling campaign is being promoted as a union between the public and private sectors. As one of such recycling campaigns, the reuse of so-called PET bottles has attracted attention. The above PET bottles are manufactured by PET (polyethylene terephthalate), and are widely used as containers for various soft drinks and the like. Conventionally, used PET bottles (empty PET bottles) can be reused,
It had been treated as non-combustible waste.

[0003] By the way, due to an increase in energy for recycling as described above and an increase in necessity of its implementation,
From April 1, 1997, the Containers and Packaging Recycling Law came into effect. This law obliges manufacturers of the above glass bottles and plastic bottles to collect and reuse used glass bottles and plastic bottles. And the PET bottle are collected by the municipality, and the manufacturer of the glass bottle or PET bottle takes the collected bottle or PET bottle from the municipality and re-commercializes it. For glass bottles and PET bottles subject to the above law, we do not consider cleaning, disinfecting and reusing them, and exclusively use other products (for example,
Recycle as raw materials for clothing and carpets. In addition, the said PET bottle is a PET 100% bottle,
PP (polypropylene), vinyl chloride, PE (polyethylene), aluminum alloy, etc. are not mixed or adhered, and are colorless and transparent without coloring.
Furthermore, the object from which the label or the like has been removed is the object.

[0004] A processing method and apparatus for reusing the PET bottle as a raw material of another product will be briefly described below. FIG. 4 is a schematic diagram showing the above-described processing apparatus that is conventionally implemented. This apparatus comprises a bale crushing means 1 for scraping used PET bottles stored in a state of being compressed in a small number and separating them into individual PET bottles, and a PET bottle separated by the bale crushing means 1 And a crushing means for crushing the PET bottles selected by the sifting means 2 into flakes (container pieces described in the claims). 3, a washing means 4 for washing and dewatering the flakes crushed by the crushing means 3, a rinsing dewatering means 5 for rinsing the flakes washed by the washing means 4 and further performing a dehydration treatment;
Foreign matter removing means 6 for removing foreign matter from flakes rinsed and dewatered by the rinsing and dewatering means 5
And

[0005] Among the above means 1 to 6, the bail crushing means 1 separates the used PET bottles stored in a state of being compressed in a small number into individual PET bottles as described above. The sorting means 2 is provided for sorting only PET bottles that can be reused as raw materials. That is, containers made of synthetic resin such as PET bottles include those made of polyvinyl chloride and polystyrene in addition to those made of PET. As described above, when materials other than those made of PET are mixed, not only can they not be used as reusable raw materials, but there is a possibility that the above-mentioned various means may be adversely affected. For this reason, an appropriate one is selected by the selection means 2.

[0006] At present, various synthetic resin containers are shown in FIG.
The mark as shown in FIG. FIG.
(A) shows a PET bottle (that is, made of PTE) which is an object of the present invention. This mark is attached to a video cassette tape or an A-PET container in addition to the plastic bottle. By the way, FIG.
The mark shown in (B) is made of high-density polyethylene,
The mark shown in the figure (C) is made of polyvinyl chloride,
The marks shown in FIG. 3D represent those made of low-density polyethylene. Containers with the mark shown in FIG. 5D include mayonnaise and ketchup containers. The marks shown in FIG. 5 (E) are made of polypropylene, the marks shown in FIG. 5 (F) are made of polystyrene, and the marks shown in FIG. 5 (G) are synthetic resins other than the above-mentioned various synthetic resins. (Including composite materials) are shown. The sorting means 2 sorts only the PET containers among the containers classified as described above.

[0007] Further, the sorting means 2 makes an unsuitable container that remains covered or has a label attached even if the container is made of PET. This is, when performing the processing in each of the subsequent processing means, in a state where the lid or label is still attached,
This is because undesired components may be mixed and a raw material having a desired purity or the like may not be obtained. Such a sorting means 2 may be provided with various kinds of sensors and a means for automatically sorting, or a worker may visually check a container sent on the conveyor as shown in the example of FIG. You may make it determine.

[0008] The crushing means 3 is for crushing the PET bottles selected by the sorting means 2 into small pieces.
Crush into flakes of about 2 cm to 2 cm. The crushing means 3 is provided with a pre-cleaning means for pre-cleaning the PET bottle in the inside thereof. The pre-cleaning is for roughly cleaning the dust and the like remaining in the PET bottle, and discharges the dust and the like from the PET bottle by, for example, squirting water into the PET bottle. Furthermore,
In the case of the example shown in the figure, a specific gravity selection means 7 is provided downstream of the crushing means 3. The specific gravity selecting means 7 is for removing caps and labels made of aluminum alloy, and employs a so-called liquid cyclone provided with a water storage tank and a stirring device for charging flakes and the like crushed by the crushing means 3. it can. Since the cap and the label have different specific gravities with respect to the flakes, these can be separated. That is, since only the flakes sink to the bottom of the water storage tank, only the flakes are sorted by collecting the sinking flakes. By doing so, the cap and the label are removed, and a useful raw material can be produced.

The washing means 4 is provided to completely remove the dirt from the flakes. The cleaning means 4 includes a first cleaning / dewatering means 8, a hot water cleaning means 9, and a second cleaning / dewatering means 10. The first and second washing / dewatering means 8 and 10 are for cleaning and dewatering the flakes. As such first and second washing / dehydrating means 8, 10, for example, a rotary washing / dehydrating machine can be used. In this case, the flakes are put into the means 8 and 10 together with detergent-containing hot water (for example, 95 ° C.), stirred for about 30 minutes, and then dehydrated. The hot water washing means 9
The flakes, which have been treated by the first washing / dehydrating means 8, are washed with hot water also serving as a sterilizing treatment. The flakes are put into hot water containing a detergent and stirred. After this treatment, the substrate is washed by the second washing / dehydrating means 10. The hot water or hot water sent to the means 8, 9, 10 is supplied by a separately provided boiler. In addition, a heater is provided in the tank constituting the hot water washing means 9 to prevent the temperature of the hot water from lowering. Although not shown, the hot water washing means 9 is provided with vibration means such as an ultrasonic vibrator.
Vibration may be applied to the flakes to improve the efficiency of dirt removal. In addition to the hot water cleaning means 9, an ultrasonic cleaning means for removing dirt by vibration caused by the action of the ultrasonic vibrator may be provided.

[0010] The rinsing and dewatering means 5 comprises the washing means 4
The flakes after washing are rinsed and then dehydrated. In the case of the illustrated example, a rotary washing and dewatering machine is also employed, and flakes are put into the rotary washing and dehydrating machine together with water, and the mixture is stirred and then dehydrated.
This treatment is performed using water at normal temperature, warm water, or the like, and is dried by a hot air dryer 11 provided separately after dehydration. The hot air dryer 11 blows hot air onto the flakes to dry them.

Further, the foreign matter removing means 6 provided downstream of the rinsing and dewatering means 5 comprises an aluminum removing means 14 and an air separating means 12. The aluminum removing means 14 is provided for removing the aluminum alloy contained in the flake. That is, the aluminum removing means 14 is provided in order to prevent pieces such as a cap made of an aluminum alloy (a so-called aluminum cap) from being mixed. As the aluminum removing means 14, for example, a vibrating screen can be adopted. Further, the aluminum removing means 1
At the subsequent stage of 4, an air separation means 12 is provided, and after passing through the air separation means 12, washed flakes are stored in a predetermined container 13. The wind separation means 12 removes labels and the like which still remain by a cyclone. The flakes cleaned and debris removed as described above are further reduced into particles (so-called chips) through a melting process or the like, and then separately carried into a product manufacturing plant or the like, where the products such as clothes and carpets are manufactured. Used as a raw material for

[0012] Because of the above-described configuration, the PET bottles that have been conventionally simply discarded as garbage can be reused, and the resources can be effectively used.
It is possible to prevent environmental pollution caused by disposal as in the related art.

[0013]

By using the above-described processing apparatus, the PET bottle can be reused as a raw material for other products. However, in the above-described conventional apparatus, the following improvements have been made. There was room. That is, as the amount of impurities contained in the raw material is as small as possible, the quality of a product (for example, carpet) made using the raw material is improved. In other words, the less the impurities contained in the raw material, the closer to the so-called virgin raw material. For this purpose, in the above-described conventional apparatus, cleaning is performed in several orders (first and second cleaning / dewatering means 8, 10 and hot water cleaning means 9), and foreign matter is removed by the foreign matter removing means 6. I have. However, in the above-mentioned washing means 4, for example, if the used PET bottles (for example, all the contents have been emptied after drinking) are rinsed and submitted in accordance with the rules at the time of collection, almost complete If the contents (e.g., edible oil) are sent out for collection while remaining, or if they are sent out for collection with dust mixed in the plastic bottle, In some cases, the conventional apparatus cannot completely remove dirt, and it is necessary to take countermeasures.

The method and apparatus for crushing and cleaning a synthetic resin container according to the present invention have been devised in view of the above-mentioned circumstances, and the object thereof is to provide a more reliable cleaning method for a synthetic resin container. An object of the present invention is to provide a method and apparatus for crushing and cleaning a container.

[0015]

To achieve the above object, the present invention relates to a method for crushing and cleaning a synthetic resin container and a method for crushing and cleaning a synthetic resin container in the apparatus according to the present invention. As described in the above, a pulverizing step of pulverizing the synthetic resin container, a cleaning step performed subsequent to the pulverizing step, cleaning the container pieces pulverized by the pulverizing step, and a cleaning step performed subsequent to the cleaning step A rinse dewatering step of rinsing and dehydrating the container pieces washed by the cleaning step, and a foreign matter removing step of removing foreign substances from the rinsed and dewatered container pieces by the rinse dewatering step. In the method of crushing and cleaning a synthetic resin container provided, an organic solvent cleaning step of cleaning the container piece with an organic solvent, and rapidly stirring the dry container piece. Removing dirt content of the powder caused by the high speed stirring, it is characterized in that the skin polishing step of the container piece, the provided.

Further, as described in the second aspect, the organic solvent washing step can be configured to include a distillation step of distilling the used organic solvent to make it reusable.
Further, as described in claim 3, the organic solvent washing step may be configured to remove dirt by stirring or vibrating the container piece and the organic solvent.

When the container pieces are washed using the method for crushing and washing a synthetic resin container according to the present invention, the organic solvent washing step of washing in an organic solvent in addition to the washing by the conventional method. And a high-speed stirring of the dried container pieces, and a step of polishing the skin of the container pieces to remove the powder of the dirt generated by the high-speed stirring. It can be almost completely removed, and more effective cleaning can be performed. That is, even if edible oils and labels that are difficult to wash are stuck to the container pieces, these edible oils and labels are subjected to a new step of two steps of the organic solvent washing step and the container piece skin polishing step. The labels are reliably removed, and the dirt can be almost completely removed. As a result,
Since very good quality flakes (raw materials) can be obtained, the flakes (raw materials) selected using the method according to the present invention are very close to virgin raw materials, and high-quality products can be manufactured.

Further, by providing the distillation step as described in claim 2, the organic solvent used in the organic solvent washing step can be reused repeatedly, and the wasteful consumption of the organic solvent can be suppressed. Further, when the organic solvent and the container pieces are agitated or vibrated during the organic solvent cleaning step, the cleaning (removal of dirt) ability is improved, and the cleaning of the container pieces becomes more efficient. It is possible to perform it more reliably.

On the other hand, the invention relating to the method and apparatus for crushing and cleaning a synthetic resin container according to the present invention relates to an apparatus for crushing and cleaning a synthetic resin container.
Crushing means for crushing the synthetic resin container, washing means for washing the container pieces crushed by the crushing means, rinsing dewatering means for rinsing the container pieces washed by the washing means and further dewatering, A foreign matter removing means for removing foreign matter from the container pieces rinsed and further dehydrated by the rinsing and dewatering means. A solvent cleaning means, and a container piece skin polishing means for stirring the dried container pieces at high speed and removing dirt powder generated by the high speed stirring with a screen or the like. .

When the container pieces are cleaned by using the synthetic resin container crushing and cleaning apparatus according to the present invention configured as described above, cleaning by an organic solvent cleaning means is performed in addition to the cleaning by the conventional apparatus described above. Since the dirt removal treatment is performed on the container pieces by the skin polishing means, more effective cleaning can be performed. That is, even in the case of a synthetic resin container in which edible oil or the like which is difficult to wash remains, the organic solvent washing means and the skin polishing means for the piece of the container, respectively, by two new means, By performing the dirt removing process, the dirt is almost completely removed from the container piece. As a result, extremely high-quality flakes (raw materials) can be obtained. Therefore, the flakes (raw materials) selected using the apparatus according to the present invention are very close to the virgin raw materials, and a high-quality product can be manufactured.

Further, as described in claim 5, the organic solvent washing means may be provided with a distillation means for distilling the used organic solvent to make it reusable. As described above, by providing the distillation means, the organic solvent can be reused repeatedly, and wasteful consumption of the organic solvent can be suppressed.

Further, as described in claim 6, the organic solvent cleaning means may be provided with a stirring means for stirring the container piece and the organic solvent. The stirring means may include, for example, an electric motor and a stirring blade fixed to an output shaft of the electric motor, as described in claim 7, or as described in claim 8. To
A magnet coupling can be provided that includes an electric motor, a drive rotor made of magnet fixed to the output shaft of the electric motor, and a driven rotor that is rotatable with the rotation of the drive rotor. Further, instead of the stirring means, a vibration means for vibrating the container piece and the organic solvent may be provided. As the vibration means, for example, an ultrasonic vibrator can be adopted. As described above, if a structure for stirring or vibrating the organic solvent and the container piece is added to the organic solvent cleaning means, the cleaning (dirt removal) capability is improved, and the cleaning of the container piece can be performed more reliably. Will be possible.

[0023] In addition, as for the position where the surface polishing means of the container piece is provided, as described in claim 11, in the case where the foreign matter removing means has a wind separation means for removing labels by a cyclone. Preferably, it is provided at a stage subsequent to the wind sorting means.

[0024]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment in which the apparatus for crushing and cleaning a synthetic resin container according to the present invention is applied to a apparatus for crushing and cleaning PET bottles. The crushing and cleaning apparatus 20 according to the present embodiment includes an organic solvent cleaning means 21 for cleaning flakes, which are container pieces, with an organic solvent, high-speed stirring of the flakes, and unnecessary vibrations generated by the high-speed stirring. (Refer to FIG. 3). Other configurations and operations are the same as those of the above-described conventional structure. Therefore, the description of the same parts as those of the conventional structure will be omitted or simplified, and the following description focuses on the features of the present invention.

The PET bottle crushing and cleaning apparatus 20 according to this embodiment is provided with an organic solvent cleaning means 21 at a stage subsequent to the rinsing and dewatering means 5. As shown in FIG. 2, the organic solvent cleaning means 21 includes an organic solvent storage tank 22 and a cleaning tank for storing the flakes and feeding a desired amount of organic solvent from the organic solvent storage tank 22 to wash the flakes. A tank 23 and a collecting tank 24 for collecting the contaminated organic solvent by use are provided. An organic solvent can be sent from the storage tank 22 into the washing tank 23, and the organic solvent and the flakes can be stirred by a stirring means such as a rotating blade, or can be vibrated by a vibration means such as an ultrasonic vibrator. And As the organic solvent, a solvent having a conventionally known cleaning ability such as trichlene can be employed.

The stirring means is constituted, for example, as follows. That is, an electric motor and a stirring blade fixed to the output shaft of the electric motor, or an electric motor, and a magnet drive rotor fixed to the output shaft of the electric motor; A magnet coupling including a driven rotor rotatable with the rotation of the drive rotor can be provided. In any case, the rotation speed of the electric motor does not need to be so high.
In order to prevent the above-mentioned flakes from being damaged by contact with the rotating blade or causing a problem in the electric motor, a member formed with a large number of through holes such as a wire mesh is provided above the rotating blade. .

Further, instead of the stirring means such as the stirring blade or the magnetic coupling, a vibration means for vibrating the flakes and the organic solvent may be provided. As the vibrating means, for example, a configuration in which an ultrasonic vibrator is fixed to the bottom of the cleaning tank 23 can be preferably adopted. As described above, if the organic solvent and the flakes are stirred or vibrated by the organic solvent cleaning means 21, the cleaning ability is improved, and the flakes can be more reliably cleaned.

As described above, the organic solvent cleaning means 21
The addition of a structure that stirs or vibrates the organic solvent and the flakes improves the cleaning ability, makes it possible to reliably remove dirt such as oil remaining on the flakes, and further reliably cleans the flakes. It is possible to do. The organic solvent used for washing is sent to the recovery tank 24, and is distilled in the recovery tank 24. As a means for distillation, a conventionally known distillation means 25 can be employed. The organic solvent after distillation is stored in the storage tank 2 so as to be reused.
2 and stored in the storage tank 22.

Further, the PET bottle crushing and cleaning apparatus 20 according to the present embodiment is provided with a skin polishing means 26 at a stage subsequent to the wind screening apparatus 12. As shown in FIG. 3, the skin polishing means 26 includes a stirring means 27 and a skin of each frame which has been shaved off by polishing the flakes together with the stirring by the stirring means 27. A vibrating screen 28 for removing powder of edible oil and labels. The stirrer 27 stirs the flakes sent from the wind separator 12 at a high speed, and may employ a conventionally known stirrer such as a device having an electric motor and a stirring blade. Further, the vibrating screen 28 is for removing powder of the edible oil and labels which are adhered (sticked) to the flakes due to the flakes being rubbed with each other. Conventionally known ones can be adopted. The stirring means 27 may have the same configuration as the stirring means in the above-mentioned organic solvent cleaning means. In this case, a member formed with a large number of through-holes such as a wire mesh is provided above the rotating blade so that the flakes do not come into contact with the rotating blade and become damaged or a problem occurs in the electric motor. And take other measures.
In addition, instead of the vibrating screen 28, an adsorbing means for adsorbing the powder is provided, or the powder is flaked by using the difference in properties such as specific gravity between the powder and the flake (a portion where the flake is present (a stirring tank). Etc.) may be separated or removed.

Using the crushing / cleaning apparatus 20 according to the present embodiment configured as described above, the collected PET bottles are crushed and further washed to obtain a raw material for carpets and the like. It is. That is, similar to the above-described conventional structure, starting from the bail crushing means 1, the sorting means 2
, A crushing step by the crushing means 3, a washing step in three stages by the washing means 4, and a rinsing and dewatering step by the rinsing and dewatering means 5. In this process, the collected PET bottles are finely crushed (made into flakes), and further subjected to a first and second washing / dehydrating step and a hot water washing step to perform a temporary washing. At this point, the PET bottle in which no dirt such as edible oil remains at the time of collection can be used as a raw material. On the other hand, there is a possibility that the PET bottles or the like to which edible oil or the like has adhered at the time of collection may still be stained even though they have been washed by the washing means 4.

However, in the case of the structure of the present embodiment, the organic solvent cleaning step by the organic solvent cleaning means 21 and the dirt removal step (flake skin polishing step) by the flake skin polishing means 26 are performed. The dirt is almost completely removed. That is, in the organic solvent removing step, the organic solvent and the flakes are stirred or vibrated by the rotating blades or the like or an ultrasonic vibrator, and together with the cleaning power of the organic solvent itself, the edible oil and the like are removed. Removes dirt almost completely.

Next, in the skin polishing step by the skin polishing means 21, the flakes come into contact with each other and rub against each other as the flakes are stirred at a high speed by the stirring means 22. More specifically, the flakes come into contact with each other due to the agitation and generate heat. In this state, water is poured into the flake. As a result, the flakes shrink rapidly, and in the process, dirt is separated. Therefore, even if edible oils and labels adhere to the surface of each flake, these edible oils and labels are shaved off and separated from the flakes in a powder state. Such powder is removed by the vibrating screen 28. As a result, the flakes that have undergone this skin polishing step are in a state in which the edible oil, labels, and other contaminants have been removed.

After the organic solvent washing step and before the skin polishing step, a foreign matter removing step by the foreign matter removing means 6 is performed as described above. Also, the organic solvent cleaning means 2
1 has a distillation means 25 provided with an organic solvent storage tank 22 and a recovery tank 24. The distillation means 25 can perform a distillation step of reusing the used organic solvent, so that the organic solvent is wasted. It can be used effectively without consuming.
The method and apparatus for crushing and cleaning a synthetic resin container according to the present invention are not limited to the above-described embodiment, and may be applied to a case where a synthetic resin container other than the PET bottle is reused. Can be. Thus, when applying the present invention to a synthetic resin container other than a PET bottle,
Cleaning means and foreign matter removing means suitable for the synthetic resin are provided.

[0034]

The method and apparatus for crushing and cleaning a synthetic resin container according to the present invention are configured and operated as described above, and therefore, irremovable dirt adheres to a synthetic resin container such as a PET bottle. Even in this case, the dirt can be almost completely removed, and a material substantially equivalent to the virgin material can be obtained. As a result, the quality of the product made using this flake is further improved.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing an embodiment of the present invention.

FIG. 2 is a schematic view showing a main part of the same.

FIG. 3 is a schematic view showing a flake skin polishing means.

FIG. 4 is a view similar to FIG. 1 showing a conventional structure.

FIG. 5 is a view showing marks provided on a synthetic resin container.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 bail crushing means 2 sorting means 3 crushing means 4 washing means 5 rinsing dewatering means 6 foreign matter removing means 7 specific gravity sorting means 8 first washing and dewatering means 9 hot water washing means 10 second washing and dewatering means 11 hot air dryer 12 wind Sorting means 13 Container 14 Aluminum removing means 20 PET bottle crushing and washing device 21 Organic solvent washing means 22 Organic solvent storage tank 23 Washing tank 24 Recovery tank 25 Distillation means 26 Skin polishing means 27 Stirring means 28 Vibrating screen

Claims (11)

[Claims] A crushing step of crushing a synthetic resin container,
A washing step for washing the container pieces pulverized by the pulverizing step, which is performed subsequent to the pulverizing step; A rinsing and dewatering step of treating, and a foreign matter removing step of removing foreign matter from the container pieces that have been rinsed and further dewatered by the rinsing and dewatering step. An organic solvent washing step of washing with a solvent, and a high-speed stirring of the dried container pieces, and removal of dirt powder generated by the high-speed stirring, a skin polishing step of the container pieces. And a method of crushing and cleaning a synthetic resin container. 2. The method for crushing and cleaning a synthetic resin container according to claim 1, wherein the organic solvent cleaning step includes a distillation step of distilling the used organic solvent to make it reusable. . 3. The organic solvent cleaning step of removing dirt by stirring or vibrating the container piece and the organic solvent.
The method for crushing and cleaning a synthetic resin container according to any one of the above. 4. A crushing means for crushing a synthetic resin container,
A washing means for washing the container pieces pulverized by the pulverizing means, a rinsing dewatering means for rinsing the container pieces washed by the cleaning means and performing a further dehydration treatment; A synthetic resin container pulverizing and washing device comprising at least a foreign matter removing means for removing foreign matter from the container piece obtained, wherein an organic solvent washing means for washing the container piece with an organic solvent, and a dry container piece. A crushing and washing apparatus for a synthetic resin container, comprising: a container piece surface polishing means for causing high-speed stirring and removing powder of dirt generated by the high-speed stirring. 5. The apparatus for crushing and cleaning a synthetic resin container according to claim 4, wherein the organic solvent cleaning means includes a distillation means for distilling a used organic solvent and making it reusable. . 6. The synthetic resin according to claim 4, wherein the organic solvent washing means includes a stirring means for stirring the container piece and the organic solvent. Crushing and washing equipment for containers. 7. The synthetic resin container according to claim 6, wherein the stirring means includes an electric motor and a stirring blade fixed to an output shaft of the electric motor. Crushing and cleaning equipment. 8. The stirring means comprises: an electric motor, a magnet-made rotor fixed to an output shaft of the electric motor, a driven rotor rotatable with the rotation of the drive rotor,
7. The apparatus for crushing and cleaning a synthetic resin container according to claim 6, wherein the apparatus is a magnetic coupling comprising: 9. The synthetic resin according to claim 4, wherein said organic solvent cleaning means includes a vibrating means for vibrating said container piece and said organic solvent. Crushing and washing equipment for containers. 10. The apparatus according to claim 9, wherein the vibrating means is an ultrasonic vibrator. 11. The foreign matter removing means includes a wind screening means for removing labels by a cyclone, and a skin polishing means for the container piece is provided at a stage subsequent to the wind screening means. The apparatus for crushing and cleaning a synthetic resin container according to any one of claims 4 to 10.