JP5220085B2 - Building for radiation related facilities - Google Patents

Description

  The present invention relates to a radiation-related facility building having a facility for washing clothes used in a radiation control area.

  Conventionally, a worker who has worked in a radiation control area undresses in a predetermined undressing area after the work is finished, and puts the undressed clothes into a transporting basket prepared by type. The transport basket containing the clothes is transported to the laundry facility area of the waste disposal building by the laundry staff, and the clothes are washed and dried by the laundry dryer provided in the laundry facility area. Next, the clothes that have undergone washing and drying are inspected for contamination, and the clothes that pass this inspection are folded in the finishing area, and after the clothes are bundled, they are transported to the deployment area. The The clothes conveyed to the deployment area are put on a clothes deployment shelf provided in the deployment area. Then, before entering the radiation control area, the worker takes out necessary equipment from the clothing deployment shelf and performs work after wearing clothes.

  Conventionally, a nuclear power plant landing system has been proposed that automatically inspects clothes that have been washed and dried to check for contamination and automatically folds only clothes that are free of contamination (Patent Document 1).

JP-A-9-253400

  By using a system such as that disclosed in Patent Document 1, it is possible to reduce the work burden on the laundry clerk.

  By the way, since a large amount of clothes and armor gathers in the laundry facility area, it is desirable to provide the laundry facility area in a place where there are no people or few people in the waste treatment building. Here, if the waste treatment building is a building composed of a plurality of floors, it is conceivable to provide a laundry facility area on the top floor where the top is the rooftop.

  However, providing a laundry facility area on the top floor of a waste disposal building requires not only laundry personnel to transport the transport basket to the top floor, but also laundry and dried clothing to other floors or buildings. This increases the work load. In particular, when the undressing area or the deployment area where the clothes that have been washed and dried are deployed is a building different from the waste disposal building, the work load on the laundry staff is further increased.

  The present invention provides a radiation-related facility building that solves such problems and reduces the work burden of laundry personnel, and realizes efficient collection of clothes to be washed and deployment of washed clothes. The purpose is to do.

  In order to achieve the above object, the present invention has the following configuration.

  (1) An undressing area where workers in a radiation control area undress, an upper floor having a deployment area where clothes that have been washed and dried are deployed, and a laundry facility for washing and drying clothes undressed by workers in the radiation control area A radiation-related facility building having an area and a lower-floor floor adjacent to the laundry facility area and having a finishing area for folding clothes that have been washed and dried in the laundry facility area. An input unit for inputting the clothes of the worker is disposed, and in the laundry facility area, a recovery unit for recovering the clothes of the worker in the radiation control area, and a laundry drying for washing and drying the clothes recovered by the recovery unit And a sorting unit that detects contamination of the clothes that the washing and drying unit has washed and dried, and sends out uncontaminated clothing to the finishing area. A chute part is provided between the input part and the recovery part to guide the clothes from the input part to the recovery part, and the clothes finished in the finishing area are between the deployment area and the finishing area. A building for radiation related facilities, characterized in that it is provided with lifting means for transporting to a deployment area.

  According to (1), there is an undressing area on the upper floor, and the worker undresses there and puts the clothes into the chute, thereby transferring the clothes to the laundry facility area. In addition, clothes that have not been contaminated and washed in the laundry facility area are folded in the finishing area, and several clothes are bundled together and conveyed to the deployment area through the lifting means. Thus, since clothes circulate between the upper floor and lower floor of the building for radiation related facilities, it becomes possible to efficiently collect the clothes to be washed and deploy the washed clothes. This makes it possible to greatly reduce the work of carrying clothes by laundry personnel.

  (2) In (1), the collection part is located immediately below the input part, and the finishing area is located immediately below the deployment area.

  According to (2), in the movement of clothes between the upper floor and the lower floor in the building for radiation-related facilities, the movement path of the clothes does not cross on the way, and it is possible to circulate smoothly. Become. This makes it possible to efficiently collect the clothes to be washed and deploy the washed clothes.

  (3) The building for radiation-related facilities according to (1) or (2), wherein the upper floor and the lower floor are adjacent floors.

  (4) A radiation-related facility building according to (3), comprising two floors, the upper floor and the lower floor.

  According to (3) and (4), it is possible to shorten the length of the chute part and the lifting means, and the cost can be reduced accordingly.

  (5) The building for radiation-related facilities according to (4), wherein the lower floor is an underground floor.

  According to (5), since the laundry facility area where a large amount of clothes gather is on the underground floor, the influence on the surroundings by the radiation from the clothes before washing can be reduced.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the building for radiation related facilities which implement | achieved efficiently performing collection | recovery of the clothes to wash, and arrangement | positioning of the washed clothes while reducing the work burden of the laundry worker.

It is explanatory drawing which shows the principal part structure of each floor of the building for radiation related facilities in one Embodiment of this invention. It is an arrangement plan of various facilities on the ground floor. It is an arrangement plan of various facilities on the first basement floor.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is an explanatory diagram showing a main configuration of each floor of a building for radiation related facilities according to an embodiment of the present invention.

  The radiation-related facility building 1 is a two-layered building including a ground floor 1 floor 3 and a basement floor 1 floor 5.

  The ground floor 1 is provided with an undressing area 10 where workers working in the radiation management area undress and a deployment area 20 where clothes worn by workers working in the radiation management area are deployed. . Here, the clothing refers to a hat, gloves, work clothes, underwear, socks and the like. The undressing area 10 is provided with a loading box 12 for loading clothes taken off by workers, and the deployment area 20 is provided with a deployment shelf 22 for storing washed clothes.

  On the first basement floor 5, a laundry facility area 30 for washing and drying clothes and a finishing area 40 for folding the clothes that have been washed and dried and binding a plurality of clothes are provided. In the laundry facility area 30, a collection basket 32 that collects clothes put in the input box 12, a washing / drying machine 34, and a landing monitor device 36 are provided. A binding machine 42 is provided in the finishing area 40.

  The laundry dryer 34 is for washing and drying clothes. The landing monitor device 36 includes a monitoring unit and a sorting unit. The monitoring unit detects the radiation dose of the clothes that have been washed and dried, and determines whether or not the clothes are contaminated with radioactivity depending on whether or not the detection result exceeds a predetermined reference value. It is. The sorting unit sorts the contaminated clothing and the uncontaminated clothing based on the determination result of the monitoring unit, and sends the uncontaminated clothing to the finishing area 40. Note that clothing determined to be contaminated is treated as waste.

  A chute 50 is provided at the bottom of the charging box 12. The collection basket 32 is disposed directly below the input box 12, and the lower end of the chute 50 faces the collection basket 32. For this reason, the clothes thrown into the throwing box 12 fall while being guided by the chute 50 and are stored in the collection basket 32.

  There is a finishing area 40 immediately below the deployment area 20, and the radiation-related facility building 1 is provided with a lifting device 60 that moves up and down between the deployment area 20 and the area 40. The clothes bound in the finishing area 40 are placed on the lifting device 60 and conveyed to the deployment area 20 on the upper floor. And the clothes conveyed from the finishing area 40 of the lower floor are accommodated in the deployment shelf 22 of the deployment area 20 by the laundry clerk.

  Next, the movement path | route of the clothing in the building 1 for radiation related facilities is demonstrated. In FIG. 1, an arrow indicated by a solid line indicates a movement route of clothes in the building 1 for radiation related facilities. The worker who has worked in the radiation management area takes off the clothes in the undressing area 10 and puts it in the throwing box 12. The clothes thrown into the throwing box 12 fall from the ground floor 1 to the ground floor 5 while being guided by the chute 50 and are stored in the collection basket 32. When a predetermined amount of clothing is stored in the collection basket 32, the laundry clerk moves the collection basket 32 to the laundry dryer 34 and puts the clothing into the laundry dryer 34. The laundry clerk carries the clothes, which have been washed and dried by the washing / drying machine 34, to the landing monitor device 36. The landing monitor device 36 determines whether or not the clothes are contaminated, and sends out only the clothes determined not to be contaminated to the finishing area 40. In the finishing area 40, the laundry clerk folds the clothes and bundles a plurality of clothes by the binding machine 42. Then, the bundled clothes are placed on the lifting device 60 and conveyed to the deployment area 20 on the upper floor. The clothes conveyed to the deployment area 20 are stored in the deployment shelf 22 by type.

  Then, the workers in the radiation management area take out the washed clothes from the deployment shelf 22 before moving to the radiation management area, change to the washed clothes, and then move to the radiation management area. Thereafter, the worker who has finished the work in the radiation management area moves to the undressing area 10 of the building 1 for radiation related facilities. For this reason, as a result, the clothes move from the deployment area 20 to the undressing area 10 as indicated by the dashed line in FIG. Therefore, work clothes in the radiation management area circulate between the ground floor 1 and the ground floor 5.

  FIG. 2 is a layout diagram of various facilities on the ground floor. In the floor shown in FIG. 2, for convenience of explanation, the direction A in the figure is the front direction or the front side, the direction B opposite to the direction A in the figure is the rear direction or the rear side, and the direction A in the figure. The direction C perpendicular to the drawing is referred to as the left direction or the left side, and the direction D opposite to the direction C is referred to as the right direction or the right side.

  As shown in FIG. 2, on the ground floor 1 floor 3, in addition to the undressing area 10 and the deployment area 20 shown in FIG. 1, a shoe storage, hand washing place, first aid room, water heater room, rest room, shower room, check There are points and locker rooms. The undressing area 10 is disposed near the center of the left front part of the first floor 3 on the ground. The hand washing area is disposed adjacent to the rear side of the dressing area 10. Here, a part of the dressing area 10 extends rearward on the left side of the hand washing area. Further, a locker room is disposed adjacent to the left rear portion of the floor 3 on the first floor and the rear side of the hand washing area. The deployment area 20 is provided at the right rear part of the floor 3 on the first floor and on the right side of the locker room. In addition, the check point is disposed adjacent to the front side of the deployment area 20 and the left side of the hand washing area. Further, a shoe storage area and a passage for moving to the radiation control area are provided on the front side of the check point, that is, on the right front portion of the floor 3 on the ground floor.

  In the undressing area 10, seven throwing boxes 12 corresponding to the throwing portions are installed along the traveling direction of the worker. Specifically, the input box 12 is arranged so as to input in the order of work gloves, work clothes, trousers, hats, cotton gloves, shirts, and crotch. A changing press 14 is installed at the boundary between the dressing area 10 and the hand washing area.

  The changing press 14 is a long member that forms a step having a width of about 30 cm, and is provided at the boundary between the dressing area 10 and the hand washing area. Here, the hand washing place and the area beyond the hand washing place are set as non-contaminated areas. That is, the changing press 14 is a boundary between the undressing area and the non-contaminated area, and it is a rule that anything other than the minimum necessary clothing cannot exceed the changing press 14.

  In addition, a sock box 12 is provided in a dead space between the changing press 14 and the pillar. That is, in this embodiment, eight throwing boxes 12 are installed in the dressing area 10.

  The checkpoint is equipped with an inspection table to check whether the worker is contaminated with radioactivity and an entrance gate for exiting to the radiation control area. In the locker room, a plurality of lockers are arranged to store the belongings of workers.

  In FIG. 2, the floor structure is such that it cannot move directly from the dressing area 10 to the rest room or the shower room, but always moves through the hand washing area beyond the changing press 14. In addition, the locker room cannot be moved directly to the undressing area or the check point, and has a floor configuration that always moves to the check point through the deployment area 20.

  Next, the movement route of the worker on the ground floor 1 will be described.

  The worker who worked in the radiation management area moves in the order of the path P indicated by the two-dotted line in FIG. First, move to the undressing area 10, undress, put work gloves, work clothes, trousers, hats, cotton gloves and crotch into the corresponding input boxes 12, and finally put the socks near the changing press 14. Is placed in the dosing box 12 arranged in FIG. After putting the clothes into the dosing box 12, the worker can go over the changing press 14 and go to the locker room through the hand washing area, the check point, and the deployment area 20. The worker can go out of the building 1 for radiation related facilities after changing clothes in the locker room. It is also possible to use a shower room or a break room from the locker room.

  When the worker enters the radiation management area from the radiation related facility building 1, the worker moves in the order of the route Q indicated by the two-dot chain line in FIG. 2. First, after entering the locker room and storing clothes and baggage, the user moves to the deployment area 20. The worker takes out the clothes for work washed from the deployment shelf 22 in the deployment area 20 and wears the clothes. After wearing the work clothes, the worker moves to the checkpoint, passes through the entrance gate, wears shoes, and moves to the radiation control area.

  FIG. 3 is a layout view of various facilities on the first basement floor. In the floor shown in FIG. 3, for convenience of explanation, the direction A in the figure is the front direction or the front side, and the direction B is the opposite direction to the direction A in the figure, like the first floor on the ground shown in FIG. Is the rear direction or rear side, the C direction in the figure perpendicular to the A direction in the figure is called the left direction or the left side, and the D direction opposite to the C direction in the figure is called the right direction or the right side.

  As shown in FIG. 3, the basement floor 1 is provided with a mask washing area, a collection box 70, a C equipment storage area, etc. in addition to the washing facility area 30 and the finishing area 40 shown in FIG. On the right side of the laundry facility area 30, a finishing area 40, a mask removal area, a collection box 70, a decontamination sink 72, a C equipment storage area, and the like are provided.

  The collection box 70 includes a collection box for C equipment (mainly C clothing) and a tie-rack (clothing like a feather worn on top of C equipment), a collection box for C helmets, a collection box for masks, and B shoes. A collection box and a collection box of C shoes / C boots are arranged in this order.

  The mask removal area is an area provided on the front side of the collection box 70 for cleaning the mask collected in the collection box 70. The decontamination sink 72 is an area for cleaning the C shoes collected in the collection box 70. The C equipment storage area is an area that is provided at a predetermined interval behind the collection box 70 and stores the washed and dried C equipment. A protective storage rack and a deployment shelf for the C equipment are installed. ing.

  The laundry facility area 30 is arranged in an area on the left side of the first basement floor 5 excluding a part of the left front part closer to the center. Further, the finishing area 40 is disposed in the area on the right rear side of the basement floor 1 and is adjacent to the right side of the laundry facility area 30. Furthermore, the mask decontamination area, the collection box 70, the decontamination sink 72, the C equipment storage area, and the like are arranged in a region adjacent to the front side of the finishing area 40 and the right side of the laundry facility area 30.

  A laundry facility area 30 is arranged as shown in FIG. 3 immediately below the dressing area 10 and the locker room on the ground floor 1 shown in FIG. 2, and in particular, directly below the eight input boxes 12 in the laundry facility area 30. The collection basket 32 is disposed at the part.

  Six washing dryers 34 are arranged on the rear side with respect to the clothes receiving position by the collection basket 32 facing the opening of the chute 50. Four of them are arranged side by side in the center of the left side in the laundry facility area 30, and the remaining two are in the center of the right side in the laundry facility area 30, near the boundary between the laundry facility area 30 and the C equipment storage area. Are arranged side by side.

  Further, one dryer is installed on the rear side of the four laundry dryers 34 in the center of the left side in the laundry facility area 30. Further, a landing monitor device 36 is installed in the rear side of the dryer, that is, in the left rear area of the first basement floor 5. In addition, three landing monitor devices 36 are installed on the rear side of the two washing dryers 34 in the center on the right side in the laundry facility area 30. The three landing monitor devices 36 are installed across the laundry facility area 30 and the finishing area 40. Of the five washing / drying machines 34, two washing / drying machines 34 are exclusively used for the C equipment. The landing monitor device 36 installed at the left rear part of the first floor 5 of the basement is used exclusively for finishing the C equipment.

  The C equipment storage area is installed next to the finishing area 40, and further, a collection box 70 and a decontamination sink 72 are provided facing the C equipment storage area. Further, a mask washing area is installed next to the collection box 70. Further, a changing press 80 is disposed at the end of the collection box 70 on the washing facility area 30 side and at the end of the mask decontamination area. It is possible for the C equipment that has dropped the mark to move over the changing press 80 to the laundry facility area 30.

Here, the clothes put into the throwing box 12 are clothes belonging to the B equipment, and the B equipment is classified into the B area (the surface contamination density (becquerel / cm ² ) is less than 4 (α ray When there is nothing to be released), this equipment is worn when the concentration of radioactive material in the air (becquerel / cm ³ ) is less than 1 × 10 ⁻⁴ ). In addition, the C equipment shown in FIG. 3 is classified according to the degree of contamination into C area (surface contamination density (becquerel / cm ² ) is less than 40 (when there is nothing that emits α rays), This equipment is worn when the radioactive substance concentration (becquerel / cm ³ ) is less than 1 × 10 ⁻³ .

  Next, the movement path | route of the clothing in the basement 1st floor 5 is demonstrated.

  The clothes thrown into the throwing box 12 (see FIG. 2) move in the order of the route R indicated by the two-dot chain line in FIG. That is, the laundry clerk moves the collection basket 32 to the laundry dryer 34 to wash and dry the clothes, and sends the washed clothes to the landing monitor device 36. The landing monitor device 36 sends out only the clothing determined not to be contaminated to the finishing area 40. The laundry clerk, after finishing in the finishing area 40, places the clothes on the lifting device 60 and transports it to the deployment area 20 on the upper floor.

  In addition, when a worker wears C equipment, he goes to the C equipment storage area on the first basement floor and wears C equipment.

  With this configuration, according to the present embodiment, as shown by the arrows in FIG. 1, the clothing circulates on the upper and lower floors of the radiation-related facility building 1, so that the movement of the clothing can be made compact. This makes it possible to reduce the burden on workers related to washing and drying.

  As described above, according to the present embodiment configured as described above, there is the undressing area 10 on the ground floor 1 and the worker undresses and puts the clothes into the chute 50 so that the clothes become the laundry facility area. Be transported. The clothes that have been washed and dried in the laundry facility area are folded in the finishing area 40, and several clothes are bundled together and conveyed to the deployment area 20 via the lifting device 60. Thus, since clothes circulate between the ground floor 1 and the ground floor 5 of the building 1 for radiation related facilities, the collection of the clothes to be washed and the deployment of the clothes to be washed are efficiently performed. This makes it possible to significantly reduce the work of carrying clothes by laundry personnel.

  Further, according to the present embodiment, since the collection basket 32 is located directly under the input box 12, the clothes put in the input box 12 fall into the collection basket 32 directly below. The finishing area 40 is located immediately below the deployment area 20, and the clothes are transferred from the finishing area 40 to the deployment area 20 by the lifting device 60. For this reason, when carrying clothes, the same passage, stairs, and elevator are no longer used, and the clothes circulate in the radiation-related facility building without crossing the movement route. This makes it possible to efficiently collect the clothes to be washed and deploy the washed clothes.

  Further, according to the present embodiment, the radiation-related facility building 1 is a two-layer building including the first floor 1 and the first floor 5, so that the lengths of the chute 50 and the lifting device 60 are shortened. It is possible to reduce the cost accordingly.

  Moreover, according to this embodiment, since the laundry facility area 30 where a large amount of clothes gather is on the underground floor, the influence on the surroundings by the radiation from the clothes before washing can be reduced. Moreover, since the undressing area 10 is on the ground floor 1 on the ground, the worker can easily enter the undressing area 10, and the travel distance until the worker reaches the undressing area 10 in the radiation related facility building 1 is shortened. It becomes possible. Thereby, the possibility that the inside of the building for radiation related facilities may be contaminated with radioactivity can be surely reduced.

DESCRIPTION OF SYMBOLS 1 Building for radiation related facilities 3 Ground floor 1st floor 5 Basement 1st floor 10 Undressing area 12 Input box 14, 80 Changing press 20 Deployment area 22 Deployment shelf 30 Laundry facility area 32 Collection basket 34 Washing dryer 36 Landing monitor device 40 Finishing area 42 Bundling machine 50 Chute 60 Lifting device 70 Collection box 72 Decontamination sink

Claims (5)

An upper floor having an undressing area where workers in a radiation control area undress, and a deployment area for deploying laundry-dried clothes;
A laundry facility area for washing and drying clothes undressed by a worker in a radiation control area, and a lower floor having a finishing area adjacent to the laundry facility area and for folding the clothes dried and dried in the laundry facility area. In buildings for radiation related facilities,
In the undressing area, a loading unit for placing clothes of workers in the radiation control area is arranged,
The laundry facility area includes a collection unit for collecting clothes of workers in the radiation control area, a laundry drying unit for washing and drying the clothes collected by the collection unit, and contamination of clothes that the laundry drying unit has washed and dried. And a sorting unit that sends out uncontaminated clothes to the finishing area,
A chute part is provided between the input part and the recovery part to guide clothes from the input part to the recovery part,
A building for radiation-related facilities, characterized in that lifting means for transporting clothes finished in the finishing area to the deployment area is provided between the deployment area and the finishing area. The collection unit is located directly below the input unit,
The radiation-related facility building according to claim 1, wherein the finishing area is located immediately below the deployment area.   The building for radiation related facilities according to claim 1, wherein the upper floor and the lower floor are adjacent floors.   The building for radiation-related facilities according to claim 3, comprising two floors, the upper floor and the lower floor.   The radiation-related facility building according to claim 4, wherein the lower floor is an underground floor.

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