JPH1114797A - Radioactive waste crushing and sorting facility - Google Patents

Abstract

(57) [Summary] [Problem] To be able to be isolated from the outside and enhance the sorting ability. SOLUTION: A waste taking-out section 23 capable of taking out radioactive waste carried in a state of being placed in a sealed container 22, and a crushing section 35 crushing the radioactive waste taken out from the waste taking-out section 23. And a radioactive waste sorting unit 51 that sorts the radioactive waste crushed by the crushing unit 35, and the radioactive waste sorted by the radioactive waste sorting unit 51 is filled into each of the collection containers 72, 75, 78, and 84. Filling device 7
3, 76, 79, 85 are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radioactive waste crushing and sorting facility, and more particularly, to a radioactive waste crushing and sorting facility capable of being isolated from the outside and enhancing its sorting ability. It is about facilities.

[0002]

2. Description of the Related Art In a facility that handles radiation, it is inevitable that radioactive waste such as low-level radioactive waste is generated. Therefore, it is necessary to dispose of generated radioactive waste such as low-level radioactive waste.

Conventionally, such radioactive waste has been appropriately treated in individual facilities. However, in a large-scale facility such as a nuclear power plant, the amount of radioactive waste generated is relatively large. Construction of a treatment facility capable of efficiently treating radioactive waste is desired.

[0004] However, a treatment facility for efficiently treating such radioactive waste does not exist at present.

On the other hand, in the field of general industrial waste, a waste crushing and sorting facility as shown in FIG. 9 is used for treating waste.

That is, the waste carried by the truck 1 is put into the receiving hopper 2, and the waste put into the receiving hopper 2 is transferred from the receiving hopper 2 to the low-speed rotary crusher 4 using the receiving conveyor 3. And is crushed by the low-speed rotary crusher 4 with a weak crushing force.

[0007] The waste crushed by the low-speed rotary crusher 4 is dropped onto the switching conveyor 5, and the waste crushed by the low-speed rotary crusher 4 does not contain metals such as iron and aluminum. When the crushed waste is sufficiently finely crushed, the crushed waste is sent to the combustible material conveyor 6 by the switching conveyor 5 and sent to the garbage pit 7 of the incineration facility for incineration.

On the other hand, if the waste crushed by the low-speed rotary crusher 4 contains metal such as iron or aluminum, or is not crushed very finely, the switching conveyor 5 cannot be used for the above purpose. Is put into another receiving hopper 8.

Then, the waste is received by the receiving hopper 8,
It is combined with another type of waste carried by the truck 9, sent from the receiving hopper 8 to the high-speed rotary crusher 11 using the receiving conveyor 10, and crushed by the high-speed rotary crusher 11 by strong crushing force. You.

The waste crushed by the high-speed rotary crusher 11 is sent to the crushed material transfer conveyor 13 by using the crushed material transfer conveyor 12, and the magnetic force is separated by the magnetic separator 14 at the exit side of the crushed material transfer conveyor 13. And non-ferrous waste.

[0011] The iron-based waste is sent to the iron hopper 15 as it is, compressed by the metal compressor 16 and recovered as a resource.

The non-ferrous waste is then sent to a particle size sorter 17, where the non-combustible material is first sorted.

The selected incombustibles are stored in the incombustibles storage hopper 1.
8 and landfilled.

The waste sorted next by the grain size sorter 17 is dropped to an aluminum sorter input conveyor 19, sent to the aluminum sorter 20 by the aluminum sorter input conveyor 19, and converted into aluminum and other waste. Be sorted out.

Then, the aluminum is sent to the aluminum hopper 21 as it is, compressed by the metal compressor 16 and recovered as a resource.

The waste other than aluminum is sent as combustibles to a combustible transfer conveyor 6 and sent to a garbage pit 7 in an incineration facility for incineration.

Finally, the waste that has been taken out without being sorted by the particle size sorter 17 is sent to the combustible transfer conveyor 6 as combustibles, sent to the garbage pit 7 of the incineration facility, and incinerated.

[0018]

However, when the above-mentioned waste crushing and sorting facility for general industrial waste is used as it is as a radioactive waste crushing and sorting facility, the following problems occur. there were.

That is, in the waste crushing and sorting facility for general industrial waste, since each facility is open to the outside, it is impossible to prevent the radioactivity from spreading to the surroundings.

Further, since there is no mechanism for adjusting the water content of the waste, the waste is often sorted while still wet, and the sorting ability is not high. If the sorting ability is low in this way, the load on equipment for melting and processing each of the ferrous metal, the non-ferrous metal, and the incombustibles in the subsequent stage is undesirably increased.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a radioactive waste crushing and sorting facility capable of being isolated from the outside and enhancing its sorting ability.

[0022]

According to the present invention, a sealed container 22 is provided.
Take-out section 23 capable of taking out radioactive waste carried in a state of being put into a waste area, and a waste take-out section 23
Crushing unit 35 for crushing radioactive waste taken out of
And a radioactive waste sorting section 51 for sorting the radioactive waste crushed by the crushing section 35, and a radioactive waste sorted by the radioactive waste sorting section 51 to collect the radioactive waste in the respective collecting containers 72, 75, 78,
The present invention relates to a radioactive waste crushing and sorting facility, which is provided with filling devices 73, 76, 79, and 85 for filling into 84.

In this case, a waste drying unit 43 for drying the crushed radioactive waste may be provided between the crushing unit 35 and the radioactive waste sorting unit 51.

According to the above means, the following effects can be obtained.

The radioactive waste carried in the sealed container 22 is taken out by the waste take-out section 23, and the radioactive waste taken out from the waste take-out section 23 is crushed by the crushing section 35.
The crushed radioactive waste is sorted by the radioactive waste sorting unit 51, and the radioactive waste sorted by the radioactive waste sorting unit 51 is filled by the filling devices 73, 76, 79, 85 into the respective recovery containers 72, 75, 78 and 84 are filled.

As described above, the waste extracting section 23 is provided,
The radioactive waste is carried in the sealed container 22, and each of the filling devices 73, 76, 79, 85 is provided, and the radioactive waste sorted by the radioactive waste sorting unit 51 is directly collected into each collection container 72. , 75, 78, and 84, it is possible to prevent the diffusion of radioactive waste to the outside.

The radioactive waste crushed by the crushing unit 35 is dried by the waste drying unit 43 and then sorted by the radioactive waste sorting unit 51.

As described above, by drying the radioactive waste before being sorted by the radioactive waste sorting unit 51 in advance in the waste drying unit 43, the accuracy of the sorting can be improved.

[0029]

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

FIGS. 1 to 8 show an embodiment of the present invention.

In the present invention, first, there is provided a waste take-out part 23 for taking out radioactive waste such as low-level radioactive waste carried in a state sealed in a sealed container 22 such as a drum can.

The waste take-out unit 23 tilts the can opening device 24 for opening the sealed container 22 such as a drum and the like and the sealed container 22 such as the drum opened by the opening device 24 and drops it onto the receiving conveyor 25. A turning machine 26 and an extraction device 27 that forcibly extracts the radioactive waste when the radioactive waste is not dropped from the sealed container 22 such as a drum can tilted by the tilting machine 26 are provided.

As shown in FIG. 2, the extracting device 27 has an opening locking arm 29 which locks to the edge of the opening 28 of the sealed container 22 such as a drum, and the inside of the sealed container 22 such as a drum. Part 30 that can be screwed into radioactive waste clogged
And an extraction device main body 31 that supports the opening locking arm portion 29 and the drill portion 30, and a movable carriage 32 that moves the extraction device main body 31 in the axial direction of the sealed container 22 such as a drum can.

At the downstream side of the waste take-out unit 23, a crushing unit 35 including a crushing machine such as a biaxial shear crushing device 33 and a crushing machine such as a vertical high-speed rotary crushing machine 34 is provided.

As shown in FIG. 3, the twin-shaft shearing and crushing device 33 is provided with a horizontal and parallel cutter with a cutter (not shown).
With two crushing rollers 36, the two crushing rollers 36 are rotated so that the opposing portions move downward, and a cutter is used while pulling in the radioactive waste put between the crushing rollers 36. It is designed to be crushed. The size of crushing the radioactive waste is adjusted by the size of the cutter and the interval between the crushing rollers 36.

If there is radioactive waste that does not pass between the crushing rollers 36, an overload condition occurs. This is automatically detected, and once the crushing roller 36 is rotated reversely, the radioactive waste is returned. A mechanism is provided for re-crushing again.

Further, if the crushing is not possible even after three reverse rotations, a crushing unsuitable material discharging device 37 for automatically removing the radioactive waste is provided. The radioactive waste removed from the biaxial shear crushing device 33 by the crushing unsuitable material discharging device 37 is:
Although not shown, it is discharged to a sealed container such as a drum can specially prepared for that purpose.

As shown in FIG. 4, the vertical high-speed rotary crusher 34 has a multi-stage hammer 39 provided rotatably in a horizontal direction about a vertical rotation shaft 38, and crushed by a hammer 39. Sweeper 4 that rotates horizontally about rotation axis 38 to scrape radioactive waste
0.

At the downstream side of the crushing unit 35, a dryer such as a cylindrical vertical three-stage dryer 42 is disposed via a crushed material conveyor 41 to form a waste drying unit 43.

As shown in FIG. 5, the cylindrical vertical three-stage dryer 42 divides the inside of a vertical cylindrical dryer main body 44 whose axis is directed up and down into two tanks 45 and 46 vertically. At the same time, a steam 47 of about 100 ° C. is supplied to the upper, lower and middle portions of the two tanks 45 and 46 so that the two tanks 45 and 46 are indirectly heated to maintain a temperature of about 85 ° C. Forming heating chambers 48, respectively, and
A stirrer 50 that rotates around a rotation shaft 49 is provided inside each of the tanks 45 and 46. In addition,
Although not particularly shown, the cylindrical vertical three-stage dryer 42 has
From the outside to the first tank 45, from the first tank 45 to the second tank 4
6, an opening / closing door mechanism for allowing the radioactive waste to enter and exit from the second tank 46 to the outside is provided.

Then, a radioactive waste sorting section 51 is provided downstream of the waste drying section 43.

The radioactive waste sorter 51 includes a permanent magnet type rotary drum magnetic sorter 52, a wind sorter 53, a rotary particle size sorter 54, and a vibratory combined gravity specific gravity sorter 55.
And a permanent magnet drum rotating aluminum sorter 56 and the like.

The above-mentioned permanent magnet type rotary drum magnetic separator 52
As shown in FIG. 6, a sorter body 60 having a waste inlet 57 at the upper part, a nonferrous metal chute 58 and a ferrous metal chute 59 at the lower part in a forked shape, and a sorter body 60. Rotating drum 61 provided in the
Inside, along the direction of rotation of the rotating drum 61, the portion of the range extending from the waste input port 57 to the intermediate portion of the ferrous metal chute 59 entrance beyond the nonferrous metal chute 58 entrance is prevented from rotating. Fixed permanent magnet 6 fixedly arranged
And 2. In addition, the chute 5 for nonferrous metal
Numeral 8 is formed below the waste inlet 57, and the ferrous metal chute 59 is formed downstream of the rotating drum 61 in the rotation direction with respect to the non-ferrous metal chute 58.

As shown in FIG. 6, the wind sorter 53 has a rotating drum 61 from the side of the iron-based metal chute 59.
The air 63 is blown toward the portion corresponding to the entrance of the non-ferrous metal chute 58 so that a light combustible material such as paper or cloth which is magnetically attracted to the surface of the rotating drum 61 due to the adhesion of the magnetic material or the like. The blower 64 is configured to blow off the object from the rotating drum 61.

As shown in FIG. 7, the rotary particle size sorter 54 has a cylindrical sorter body 65 arranged with an axis inclined obliquely, and is rotatable to the inside upstream side of the sorter body 65. A fine-cylindrical sieve 66 and a sieve 6
6. A coarse cylindrical sieve 6 integrally disposed downstream of the sieve 6.
7, an incombustible material outlet 68 formed below the fine sieve 66 of the separator main body 65 for sending incombustible materials to the vibrating combined gravity specific gravity separator 55, and a coarse sieve of the separator main body 65. 6
A non-ferrous metal outlet 69 for sending non-ferrous metal waste to a permanent magnet drum rotating aluminum sorter 56 formed at the lower part of 7
And a waste inlet 70 formed at the upper end of the separator main body 65 and a combustible and flame-retardant material outlet 71 formed at the lower end of the separator main body 65.

On the downstream side of the iron-based metal chute 59 of the permanent magnet type rotary drum magnetic force sorter 52, an iron-based metal waste is charged into an iron-based metal recovery container 72 such as a drum can. An object filling device 73 is provided.

Further, the above-mentioned vibration type specific gravity difference sorter 55 combined with wind power is used.
A non-combustible material filling device 76 for filling non-combustible materials into a non-combustible material collection container 75 such as a drum via a non-combustible material conveyor 74 is provided at the outlet side of the non-combustible material.

Further, on the downstream side of the non-ferrous metal take-out port 77 of the permanent magnet type drum rotary aluminum sorter 56, non-ferrous metal waste is charged into a non-ferrous metal collection container 78 such as a drum can. An object filling device 79 is provided.

Further, an outlet 71 for combustible and flame-retardant material of the rotary particle size sorter 54, an outlet 80 for combustible and flame-retardant material of the rotary aluminum sorter 56 of a permanent magnet type drum, a vibration specific gravity combined with wind power On the downstream side of the combustible and flame-retardant material outlet 81 of the sorting machine 55, via the combustible and flame-retardant material transport conveyors 82 and 83, to the combustible and flame-retardant material collection bag 84 such as a plastic bag. A flammable material flame-retardant bag filling device 85 for filling flammable material-flammable material is provided.

The above-mentioned ferrous metal waste filling device 73, noncombustible material filling device 76, non-ferrous metal waste filling device 79,
As shown in FIG. 8, each of the filling devices such as the bag filling device 85 for combustible and flame-retardant materials is provided at an outlet at the lower end of the hopper 86,
Measuring unit 8 that can be partitioned by upper door 87 and lower door 88
9 is provided.

The above devices and the connection between the devices are all covered with a hood 90 (partly omitted in the drawing).

Further, a dust collection system 91 is connected to the output side of the twin-shaft shear crusher 33, the output side of the vertical high-speed rotary crusher 34, the cylindrical vertical three-stage dryer 42, and the permanent magnet type. A dust collecting system 92 is connected to the rotary drum magnetic force sorter 52, a bag filter 95 having a cyclone 93 and an air compressor 94 is connected to the dust collecting system 91, and the dust collecting system 92 is connected to the bag filter 95. Connect, cyclone 93 and bag filter 9
The combustible and flame-retardant materials collected in step 5 are sent to the combustible and flame-retardant bag filling device 85.

The cyclone 9 of the dust collection systems 91 and 92
A filter 96, an exhaust fan 97, a silencer 98, and a stack 99 are provided on the exit side of the bag 3 and the bag filter 95.

The combined use of wind force and vibration type specific gravity difference sorter 55
Is connected to a wind circulation system 102 having a cyclone 100 and a blower 101 so that the combustible and nonflammable materials collected by the cyclone 100 are sent to the combustible and nonflammable material bag filling device 85. ing.

Further, the crushed material transport conveyor 41, a rotary particle size sorter 54, a vibrating type specific gravity difference sorter 55 combined with wind power,
The drain 103 from the permanent magnet type drum rotary aluminum sorter 56 is sent to a water treatment facility (not shown) for processing.

In FIG. 1, reference numeral 104 denotes a surveillance camera attached to each device.

Next, the operation will be described.

The radioactive waste such as low-level radioactive waste is carried into the waste take-out section 23 while being sealed in a sealed container 22 such as a drum.

Then, the sealed container 22 such as a drum can carried into the waste take-out section 23 is first opened by the can opener 24, tilted by the tilting machine 26, and the radioactive waste inside is transferred onto the receiving conveyor 25. Let it fall.

Here, when the radioactive waste is not dropped from the sealed container 22 such as the drum can tilted by the tilting device 26, the radioactive waste is forcibly extracted by using the extracting device 27. .

More specifically, as shown in FIG. 2, the extraction device main body 31 is moved in the axial direction of the sealed container 22 such as a drum by a movable cart 32, and the opening attached to the extraction device main body 31 is moved. The locking arm 29 is locked to the edge of the opening 28 of the sealed container 22 such as a drum and the like, and the drill 30 attached to the extraction device main body 31 is radioactive waste clogged inside the sealed container 22 such as a drum. Screw it into an object,
The removal of the radioactive waste from the sealed container 22 such as a drum can is performed by moving the extraction device main body 31 in the opposite direction by the moving carriage 32. In this state, the radioactive waste is removed by rotating the drill unit 30 in the reverse direction. To drill part 30
And the radioactive waste is allowed to fall onto the receiving conveyor 25.

The radioactive waste dropped onto the receiving conveyor 25 is crushed by the receiving conveyor 25 into the crushing section 35.
The crusher is sequentially crushed by a crusher such as a biaxial shear crusher 33 and a crusher such as a vertical high-speed rotary crusher 34.

First, in the biaxial shear crusher 33, as shown in FIG. 3, the radioactive waste is transferred between two horizontal and parallel crushing rollers 36 rotated so that the opposing portions move downward. When it is thrown into the crushing roller 36
While being pulled in, the crusher is crushed by a cutter (not shown) attached to the crushing roller 36. The size of crushing the radioactive waste is adjusted by the size of the cutter and the interval between the crushing rollers 36.

At this time, if there is radioactive waste that does not pass between the crushing rollers 36, an overload condition occurs. This is automatically detected, and once the crushing roller 36 is rotated reversely, the radioactive waste is returned. And then crush it again.

Further, when the radioactive waste cannot be crushed even if it is reversely rotated three times, the radioactive waste is crushed by an unsuitable material discharging device 37.
Automatically remove it. The radioactive waste removed from the biaxial shear crushing device 33 by the crushing unsuitable material discharging device 37 is discharged to a sealed container such as a drum can specially prepared for the purpose, not shown.

Next, in the vertical high-speed rotary crusher 34, radioactive waste is crushed by a multi-stage hammer 39 which is rotated in a horizontal direction about a vertical rotation shaft 38 as shown in FIG. The crushed radioactive waste is rotated horizontally about a rotating shaft 38 by a sweeper 4.
By 0, it is scraped out.

As a result, in particular, glass, concrete, and the like, which are the main components of the incombustibles, are crushed into pieces and have a size and shape suitable for being sorted by the radioactive waste sorting section 51 at the subsequent stage.

As described above, the radioactive waste is crushed in two stages by the twin-shaft shearing crusher 33 and the vertical high-speed rotary crusher 34, so that the radioactive waste can be reliably reduced to a desired size. Can be crushed.

The radioactive waste crushed by the crushing unit 35 is sent to a dryer such as a cylindrical vertical three-stage dryer 42 of the waste drying unit 43 through the crushed material conveyor 41 and dried. .

That is, the cylindrical vertical three-stage dryer 42
Then, the crushed radioactive waste, as shown in Figure 5,
First, it is sent to the upper first tank 45 to remove moisture to some extent, and then is sent to the lower second tank 46 to be sufficiently dried, and is provided in the second tank 46 (not shown). When it is confirmed by a hygrometer or the like that it has been sufficiently dried, it is taken out.

At this time, the stirrer 50 is moved so that radioactive waste does not adhere to the bottom surfaces of the first tank 45 and the second tank 46.

Heating chambers 48 are formed at the upper, lower, and intermediate portions of the two tanks 45, 46, respectively, and steam 47 at about 100 ° C. is supplied to the heating chambers 48, respectively.
By indirectly heating 46 to maintain the temperature at about 85 ° C., the steam 47 is isolated from radioactive waste so that the steam 47 is not contaminated by radioactivity.

The radioactive waste dried in the waste drying section 43 in this way is passed through a radioactive waste sorting section 51, where a permanent magnet type rotary drum magnetic sorter 52, a wind sorter 53, and a rotary particle size sorter 54 are used. And wind-powered vibration-type specific gravity difference sorter 5
5 and a permanent magnet drum rotating aluminum sorter 56 or the like.

The radioactive waste before being sorted by the radioactive waste sorting section 51 is dried in the waste drying section 43 in advance, so that the sorting accuracy can be improved.

In the radioactive waste sorting section 51, the radioactive waste is first sent to a permanent magnet rotary drum magnetic separator 52 as shown in FIG. It is sorted as follows.

That is, when the radioactive waste is introduced from the waste input port 57 on the upper part of the sorter main body 60 of the permanent magnet type rotary drum magnetic sorter 52, the radioactive waste of the rotary drum 61 provided in the sorter main body 60 is provided. Anything other than the magnetic material comes into contact with and collides with the surface, and falls downward from the non-ferrous metal chute 58 provided below the waste inlet 57.

However, when the radioactive waste is a magnetic material, the fixed permanent magnet 62 is fixed inside the rotating drum 61 so as not to rotate.
When it comes into contact with or collides with the surface of the rotating drum 61, it is magnetically attracted to the surface of the rotating drum 61.

Then, the magnetic material attracted by the magnetic force moves by the rotation of the rotary drum 61 and is demagnetized at the intermediate position of the entrance of the iron-based metal chute 59 where the fixed permanent magnet 62 disappears. It falls to the use chute 59.

At this time, since a magnetic material or the like is attached,
There are light combustibles such as paper and cloth that are magnetically attracted to the surface of the rotating drum 61 and conveyed to the entrance of the ferrous metal chute 59. Such light combustibles such as paper and cloth are shown in FIG.
The wind 63 blown from the side of the ferrous metal chute 59 to the portion corresponding to the entrance of the non-ferrous metal chute 58 of the rotary drum 61 by the blower 64 of the wind separator 53 as shown in FIG. It will be blown off.

Light combustibles such as paper and cloth blown off from the rotating drum 61 are dropped onto the non-ferrous metal chute 58 or the cyclone 93 is connected to the dust collecting system 91 connected to the sorter main body 60. Will be sent to

Then, the magnetic substance dropped into the iron-based metal chute 59, that is, the iron-based metal waste is sent to the iron-based metal waste filling device 73, and the iron-based metal waste filling device 7
3, the iron-based metal collection container 72 such as a drum can is filled.

The iron-based metal waste filled in the iron-based metal recovery container 72 such as a drum can is then subjected to volume reduction at a volume reduction facility (not shown).

On the other hand, the non-magnetic material dropped into the non-ferrous metal chute 58, that is, the non-ferrous metal waste, is thereafter sent to the rotary particle size sorter 54, where it is sorted. .

In the rotary particle size sorter 54, the non-ferrous metal waste entering from the waste inlet 70 formed at the upper end of the cylindrical sorter body 65 whose axis is obliquely disposed is As shown in FIG. 7, first, non-combustible materials are sorted out by being sieved by a fine-cylindrical sieve 66 rotated on the upstream side of the inside of the main body 65 of the sorter, and the non-combustible material outlet 68 is selected.
Taken out of

Next, the non-ferrous metal waste is sorted out by a coarse cylindrical sieve 67 integrally disposed downstream of the fine sieve 66, thereby separating the non-ferrous metal waste 69. Taken out of

Then, the waste remaining from the coarse cylindrical sieve 6 is taken out from the combustible and incombustible material outlet 71 as combustible and incombustible material.

The noncombustible material outlet 68 of the rotary particle size sorter 54
The non-combustible material taken out of is then sent to the combined use of wind force and vibration type specific gravity difference sorter 55.

In the vibration type specific gravity difference sorter 55 combined with wind power, combustible and flame-retardant substances contained in non-combustible substances are sorted out.
An incombustibles filling device 76 is provided via an incombustibles conveyor 74.
And is charged into a non-combustible material recovery container 75 such as a drum by a non-combustible material filling device 76.

The non-combustible material filled in the non-combustible material collection container 75 such as a drum can is then subjected to volume reduction processing at a volume reduction processing facility (not shown).

Non-ferrous metal outlet 6 of rotary particle size sorter 54
The non-ferrous metal waste removed from 9 is then sent to a permanent magnet drum rotating aluminum sorter 56.

Permanent magnet drum rotating aluminum sorter 56
Then, combustible and flame-retardant substances contained in the non-ferrous metal waste are sorted out, and the non-ferrous metal waste is sorted into the non-ferrous metal waste filling device 7.
9, the non-ferrous metal collection container 78 such as a drum can is filled.

The non-ferrous metal waste filled in the non-ferrous metal collection container 78 such as a drum can is then subjected to volume reduction at a volume reduction facility (not shown).

Also, the combustible and flame-retardant material taken out of the combustible and flame-retardant material outlet 71 of the rotary particle size sorter 54 and the combustible and flame-retardant material of the vibratory combined gravity type gravity difference sorter 55 are removed. Exit 8
1, and the combustible and flame-retardant materials extracted from the combustible and flame-retardant material outlet 80 of the permanent magnet type drum rotary aluminum sorter 56 via the combustible and flame-retardant material conveyors 82 and 83,
It is sent to the bag filling device 85 for combustible and incombustible materials, etc., and is filled in the bag for incombustible and incombustible materials such as plastic bags 84 by the bag filling device for incombustible and so on.

The combustible flame-retardant and the like filled in the combustible flame-retardant collection bag 84 such as a plastic bag are then incinerated at an incineration facility (not shown).

The above-mentioned ferrous metal waste filling device 73, non-combustible material filling device 76, non-ferrous metal waste filling device 79,
In each filling device such as the bag filling device 85 for combustible and nonflammable materials, as shown in FIG. 8, the upper door 87 is opened and the lower door 88 is closed, so that the hopper 86 and the weighing unit 8 are closed.
9 is charged with radioactive waste, and when a predetermined amount of radioactive waste enters the measuring section 89, the upper door 87 is closed and the lower door 88 is closed.
The radioactive waste from the measuring unit 89 to the collection containers such as the ferrous metal collection container 72, the incombustibles collection container 75, the non-ferrous metal collection container 78, and the collection bag 84 for combustible and incombustible materials is collected. So that things are filled.

As described above, the waste take-out section 23 is provided on the entrance side to carry the radioactive waste in the sealed container 22 and the filling devices 73, 76, 7 are provided on the exit side.
9 and 85 are provided, and the radioactive wastes sorted by the radioactive waste sorter 51 are directly collected in the respective recovery containers 72, 75, and 7
8, 84 can prevent the diffusion of radioactive waste to the outside.

Further, by covering all of the above-mentioned devices and the connecting portions between the devices with the hood 90 (partially omitted in the drawing), the radioactive waste to the outside can be more reliably assured. It is possible to prevent the diffusion of an object.

Further, in the above-mentioned facility, in particular, the radioactive waste sorting section 51 uses a lot of chutes and the like to transfer the radioactive waste sequentially, so that the number of conveyors can be reduced, and accordingly, It is designed to reduce maintenance and maintenance work.

Further, on the output side of the rotary particle size sorter 54, a vibrating type specific gravity difference sorter 55 and a permanent magnet type drum rotary aluminum sorter 56 are provided. Since the incombustibles and non-ferrous metal wastes are further separated from combustible and flame-retardant materials, the purity of the non-flammables and non-ferrous metal wastes can be increased. It is possible to reduce the burden on the volume reduction processing facility.

In addition to the above, a dust collection system 91 is further connected to the output side of the twin-shaft shear crusher 33, the output side of the vertical high-speed rotary crusher 34, and the cylindrical vertical three-stage dryer 42, Further, a dust collection system 92 is connected to the permanent magnet type rotary drum magnetic force sorter 52, and fine dust and the like of radioactive waste entering the dust collection system 91 are filtered by a cyclone 93 and a bag filter 95 provided with an air compressor 94. , And fine dust of radioactive waste entering the dust collection system 92 is collected by the bag filter 95.

The combustible flame-retardant materials and the like collected by the cyclone 93 and the bag filter 95 are sent to the combustible flame-retardant material and the like bag filling device 85, and the combustible flame-retardant material and the like such as plastic bags are collected. 8
4 is filled.

In addition, the above-mentioned vibration type specific gravity difference sorter 55 combined with wind power is used.
In addition, a cyclone 100 and a wind circulation system 102 having a blower 101 are connected to collect dust with the cyclone 100.

The combustible flame-retardant materials and the like collected by the cyclone 100 are sent to the combustible flame-retardant material and the like bag filling device 85 and filled into the combustible flame-retardant and the like recovery bag 84 such as a plastic bag. You.

The combustible flame-retardant and the like filled in the combustible combustible flame-retardant collection bag 84 such as a plastic bag are directly incinerated as described above.

Further, the crushed material transport conveyor 41, the rotary type particle size sorter 54, and the vibrating type specific gravity difference sorter 55 combined with wind power.
Also, the drain 103 from the permanent magnet type drum rotary aluminum sorter 56 is sent to a water treatment facility (not shown) for processing.

Each of the above work steps can be monitored by a monitoring camera 104 attached to each device.

It should be noted that the present invention is not limited to only the above-described embodiment, and it is needless to say that various changes can be made without departing from the spirit of the present invention.

[0108]

As described above, according to the radioactive waste crushing and sorting facility of the present invention, it is possible to obtain an excellent effect that it can be isolated from the outside and the sorting ability can be enhanced.

[Brief description of the drawings]

FIG. 1 is an overall schematic system diagram of an example of an embodiment of the present invention.

FIG. 2 is a schematic view of the extraction device of FIG.

FIG. 3 is a schematic view of the twin-shaft crusher of FIG. 1;

FIG. 4 is a schematic view of the vertical high-speed rotary crusher of FIG.

FIG. 5 is a schematic view of the cylindrical vertical three-stage dryer of FIG. 1;

FIG. 6 is a schematic view of the permanent magnet type rotary drum magnetic separator of FIG. 1;

FIG. 7 is a schematic diagram of the rotary particle size sorter of FIG.

FIG. 8 is a schematic view of each filling device of FIG.

FIG. 9 is an overall schematic system diagram showing a waste crushing and sorting facility for general industrial waste.

[Explanation of symbols]

 22 Sealed Container 23 Waste Extraction Section 35 Crushing Section 43 Waste Drying Section 51 Radioactive Waste Sorting Section 72 Iron-based Metal Recovery Container (Recovery Container) 73 Iron-based Metal Waste Filling Device (Filling Device) 75 Incombustible Material Recovery Container ( Collection container) 76 Non-combustible material filling device (Filling device) 78 Non-ferrous metal collection container (Recovery container) 79 Non-ferrous metal waste filling device (Filling device) 84 Collection bag for combustible and flame retardant materials (Recovery container) 85 Combustible material Flame retardant bag filling equipment (filling equipment)

Claims (2)

[Claims] 1. A waste take-out section (23) capable of taking out radioactive waste carried in a sealed container (22), and radioactive waste taken out of the waste take-out section (23). A crushing unit (35) for crushing materials, a radioactive waste sorting unit (51) for sorting radioactive waste crushed by the crushing unit (35), and a radioactive waste sorted by the radioactive waste sorting unit (51) Collect each container (72) (75)
(78) Filling device for filling (84) (73) (76)
(79) A radioactive waste crushing and sorting facility comprising (85). 2. The radioactive waste according to claim 1, further comprising a waste drying unit (43) for drying the crushed radioactive waste, between the crushing unit (35) and the radioactive waste sorting unit (51). A crushing and sorting facility.