JP6647789B2 - How to bring in storage containers - Google Patents

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport trolley of a storage container for transferring a storage container of radioactive waste to a predetermined place in a variety of plants, a method of transferring the storage container, and a storage container of radioactive waste.

  Conventionally, for example, a storage facility for radioactive waste is a storage facility for storing radioactive waste such as radioactive filter sludge and radioactive waste ion exchange resin for a long time in a water-containing state, and is stored in a tank for a certain period of time. The purpose is to safely and easily take out the radioactive waste. The storage facility has a tank installed in a space surrounded by a radiation shielding wall. The tank is provided with guide rails located on a vertical line inside the tank. The radiation shielding wall on the upper side in the space has an upper end opening, and the opening is closed by a plug-shaped lid made of a radiation shielding material.

  As storage tanks for storing such radioactive waste, there are those described in Patent Literature 1 and Patent Literature 2 below. The apparatus for storing and transferring radioactive waste described in Patent Document 1 has an open-to-atmosphere container for storing radioactive waste, a stirring transfer pump that is placed in shielded water of the container, and a transfer pipe connected to the pump. Then, the radioactive waste and the shielding water are discharged from the transfer pipe after stirring and mixing. The storage container for radioactive waste described in Patent Document 2 is configured by joining a cylindrical upper container and a lower container by welding.

  Patent Document 2 discloses a method for loading a storage container into which a storage container for storing radioactive waste, which has an opening at the top of the main body and is capable of storing radioactive waste, is transported to a predetermined area. A method comprising: horizontally transferring an upper container from a side entrance portion and carrying the upper container into the area; transferring the upper container carried into the region upward; and transferring the lower container to the side entrance. Transferring the upper container horizontally below the upper container in the area, transferring the upper container downward and placing it on the lower container, and joining the upper container and the lower container. And the step of performing

  Patent Document 3 below discloses a storage container transport trolley that has an opening at an upper part of a main body and carries a storage container of radioactive waste capable of storing radioactive waste therein to a predetermined area, It is shown that the vehicle includes a bogie main body movable along a floor surface, and a support member having one end connected to the bogie main body and the other end supporting a side of the storage container.

JP-A-61-161499 JP 2012-154745 A JP 2012-154746 A

  By the way, since the storage tank for radioactive waste stores radioactive resin, it is necessary to install it in a room under the building, which is shielded by concrete walls, under the building. However, since the storage tank for radioactive waste is a large container, it is difficult to carry it into the basement of the building.

  The present invention has been made to solve the above-described problems, and has an object to provide a transport trolley of a storage container, a method of loading a storage container, and a storage container of radioactive waste that can be easily loaded into a predetermined position. .

  In order to achieve the above object, the storage container transport trolley of the present invention has an opening at an upper portion of a main body and carries a radioactive waste storage container capable of storing radioactive waste therein to a predetermined area. A carriage for transporting a storage container, comprising: a carriage main body movable along a floor surface; and a moving device capable of moving the carriage main body.

  Therefore, the large-sized storage container can be easily carried into a predetermined position by providing the transport vehicle so as to be movable by the moving device.

  In the transport trolley of the storage container according to the present invention, the moving device is for towing the bogie main body, and the bogie main body is provided with an attachment member capable of connecting a rope member for towing in the moving device. It is characterized by being.

  Accordingly, the transport vehicle is movable with the cable member of the moving device attached thereto, so that a large storage container can be easily carried into a predetermined position.

  In the transporting trolley for storage containers of the present invention, the moving device pushes out the trolley main body, and the trolley main body is provided with an attachment member capable of connecting an extruding mechanism in the moving device. And

  Therefore, the transport trolley is movable with the push-out mechanism of the moving device attached thereto, so that a large storage container can be easily carried into a predetermined position.

  In the transport trolley of the storage container according to the present invention, the moving device moves the trolley main body, and the trolley main body is provided with a guide roller that is rolled by a driving mechanism in the moving device. It is characterized by.

  Therefore, the transport vehicle can be moved by the drive mechanism of the moving device attached and the guide rollers being rolled, so that a large storage container can be easily carried into a predetermined position.

  The storage container transport trolley of the present invention is characterized in that one end is connected to the trolley body and the other end is provided with a support member capable of supporting the side of the storage container.

  Therefore, since the bogie main body supports the side of the storage container via the support member, the storage container can be transported in a low posture state, and the large storage container can be easily carried into a predetermined position. Can be.

  In the storage container transport trolley of the present invention, the bogie main body forms a frame in which the storage container can be arranged inside by connecting each end of a pair of horizontal vertical beams and a pair of horizontal beams. The support member is connected to the frame.

  Therefore, by arranging the storage container inside the frame and supporting it with the support member, the storage container can be transported with a small gap from the floor surface regardless of the height of the bogie main body. Even if the side entrance is small with respect to the area to be stored, the storage container can be easily carried in and installed.

  In the transporting trolley for a storage container according to the present invention, the support member is connected to a longitudinally intermediate portion of each of the vertical beams and the horizontal beams.

  Therefore, by shortening the distance between each vertical beam and each horizontal beam and the storage container, the length of the support member can be shortened, and the size and weight of the support member can be reduced.

  In the storage container transport cart according to the present invention, the storage container has a plurality of support pads which are fixed to a side portion of the storage container at equal intervals in a circumferential direction, and an end portion of the support member is connected to the storage container via the support pad. Is detachably connected to the side of the.

  Therefore, by previously fixing the support pad to the side of the storage container, the storage container can be easily supported by connecting the support member and the support pad.

  In the transporting trolley for a storage container according to the present invention, the support pad has a female screw portion to which a fixing bolt for fixing the support member is screwed.

  Therefore, the connection work between the support member and the support pad can be simplified.

  In order to achieve the above object, a method for carrying a storage container according to the present invention includes the step of carrying a radioactive waste storage container having an opening at an upper portion of a main body and capable of storing radioactive waste therein to a predetermined area. A method for loading a storage container, the method comprising: horizontally transferring an upper container along a floor surface from a side entrance to load the storage container into the area; and transferring the upper container transferred into the area upward. And horizontally transferring the lower container from the side entrance along the floor surface and carrying the lower container below the upper container in the area, and positioning the lower container at a predetermined position below the upper container. A step of transferring the upper container downward and placing it on the lower container, and a step of joining the upper container and the lower container.

  Therefore, after the upper container is carried into the area from the side entrance and transferred upward, the lower container is carried below the upper container from the side entrance, and the upper container is placed on the lower container and By joining the storage containers, the storage container can be easily carried in and installed even when the side entrance portion is small with respect to the area where the storage container is installed. Moreover, by positioning the lower container at a predetermined position below the upper container, the lower container can be installed at a predetermined position in an area where the storage container is installed.

  In the method for loading a storage container according to the present invention, the step of positioning the lower container at a predetermined position below the upper container includes: a positioning pin that is disposed with its tip directed downward and is transferred together with the lower container; A positioning hole provided on the front surface side so that a tip of the positioning pin can be inserted therein, and the positioning hole is provided when the lower container is transferred to a predetermined position below the upper container. The tip of the positioning pin is inserted into the positioning pin.

  Therefore, by inserting the positioning pin into the positioning hole, the lower container can be positioned at a predetermined position below the upper container, and the lower container can be installed at a predetermined position in the area where the storage container is installed. .

  In the method for loading a storage container according to the present invention, the step of horizontally transferring the lower container from the side entrance portion and loading the lower container below the upper container in the area is attached to a transport trolley on which the lower container is mounted. The transporting cart is horizontally transferred by pulling and pulling the rope member with the fixed side.

  Therefore, a large storage container can be easily carried into a predetermined position by providing the transport vehicle so as to be movable.

  In the method for loading a storage container according to the present invention, the lower container is mounted on a transport trolley, and the transport trolley travels on the floor, is loaded into the area, and is a lifting device disposed on the floor. And after the transport trolley is carried out of the area, the transport trolley is lowered by the elevating device and installed on a foundation provided on the floor surface.

  Therefore, the transport trolley can be easily carried out by carrying the transport trolley into the area where the lower container is installed and raising the lower container by the elevating device.

  In the method for carrying a storage container according to the present invention, the lower container is supported on the side surface of the carrier, and is carried into the area by traveling of the carrier.

  Therefore, the height of the lower container supported by the transport trolley can be kept low by loading the transport trolley into the area where the side portion of the lower container is supported and installed, and the portability of the lower container is improved. Can be.

  In the method for carrying a storage container according to the present invention, the lower container is fixed to the foundation with a plurality of foundation bolts after being installed on the foundation, and then the upper container is placed.

  Therefore, by mounting the upper container after fixing the lower container to the foundation, the lower container can be fixed at an appropriate position in a lightweight state, and the lower container is displaced due to the mounting operation of the upper container. Can be prevented.

  In the method of loading a storage container according to the present invention, after the upper container and the lower container are joined, a guide rail for a discharge pump is attached so as to be continuous from the opening to the inside.

  Therefore, by mounting the guide rail after assembling the container body, the assemblability can be improved without dividing the guide rail.

  In the method for loading a storage container according to the present invention, the upper container has a roof plate having the opening and a plurality of ring-shaped body plates, and the lower container has a plurality of ring-shaped body plates. And a bottom plate in the shape of a dish, and a skirt for supporting the bottom plate. And, here, the roof plate and the plurality of body plates are joined to constitute the upper container, and the plurality of body plates, the bottom plate and the skirt are joined to constitute the lower container, The upper container and the lower container are carried into the area in this order.

  Therefore, by constructing the storage container from a plurality of parts such as a roof plate, a body plate, a bottom plate, and a skirt, it is possible to transport the storage container to an area where it can be easily installed even in a narrow passage, thereby improving the assembling property. Can be.

  In the method for loading a storage container according to the present invention, the side entrance to the area is set lower than the total height of the storage container, and higher than each height of the upper container and the lower container. It is characterized by:

  Therefore, even when the height of the side entrance with respect to the area where the storage container is installed is specified, the storage container can be easily carried into this area and installed.

  The radioactive waste storage container of the present invention for achieving the above object has an opening at an upper portion of a main body having a cylindrical shape, a lower portion has a dish shape, and can store radioactive waste therein. A storage container for radioactive waste, wherein a cylindrical upper container and a lower container are joined by welding, and the lower container is transferred below the upper container in a state where the upper container is transferred upward. The upper container and the lower container are joined to each other, and the lower container is provided with a positioning pin arranged with its tip directed downward, and is transferred to a predetermined position below the upper container. The tip of the positioning pin is inserted into a positioning hole provided on the floor side.

  Therefore, the small upper container and the lower container are carried into a predetermined position, and the upper container and the lower container are joined to each other so that the large storage container can be easily carried into the predetermined position. can do. In addition, by inserting the positioning pins into the positioning holes, the lower container can be positioned at a predetermined position below the upper container, and the lower container can be installed at a predetermined position in the area where the storage container is installed. .

  The storage container for radioactive waste of the present invention has a roof plate having the opening, a plurality of body plates having a ring shape, a bottom plate having a dish shape, and a skirt supporting the bottom plate. Thus, the roof plate, the plurality of body plates, the bottom plate, and the skirt are combined and joined in this order.

  Therefore, by being composed of a plurality of parts such as a roof panel, a body panel, a bottom panel, and a skirt, even a narrow passage can be easily transported, and the assembling property can be improved.

  In the storage container for radioactive waste of the present invention, after the roof plate, the plurality of body plates, the bottom plate, and the skirt are joined, a guide rail for a discharge pump is formed so as to be continuous from the opening to the inside. It is characterized by being worn.

  Therefore, by mounting the guide rail after assembling the container body, the assemblability can be improved without dividing the guide rail.

According to the storage container transport trolley of the present invention, one end of the support member is connected to the trolley body movable along the floor surface, and the other end allows the side of the storage container to be supported. Can be transported in a low posture state, and a large storage container can be easily carried into a predetermined position.
Further, according to the method for loading a storage container and the storage container for radioactive waste of the present invention, the storage container has a vertically divided structure, and is loaded into an area where the upper container is to be installed and raised, and then the lower container is loaded. Since the container is placed on the lower container and joined together, the storage container can be easily carried in and installed even when the side entrance is small with respect to the area where the storage container is installed. .

FIG. 1 is a schematic front view showing a storage tank as a storage container for radioactive waste according to one embodiment of the present invention. FIG. 2 is a top view of the storage tank of the present embodiment. FIG. 3-1 is a schematic diagram of a roof shingle constituting the storage tank of the present embodiment. FIG. 3B is a schematic view of a body plate constituting the storage tank of the present embodiment. FIG. 3C is a schematic view of a bottom plate constituting the storage tank of the present embodiment. FIG. 3-4 is a schematic view of the upper part of the skirt constituting the storage tank of the present embodiment. FIG. 3-5 is a schematic view of the lower part of the skirt constituting the storage tank of the present embodiment. FIG. 4 is a side view illustrating the first and second steps in the method for loading a storage tank according to the present embodiment. FIG. 5 is a front view showing the first and second steps. FIG. 6-1 is a top view illustrating the first step. FIG. 6B is a top view illustrating the first step. FIG. 6C is a schematic diagram illustrating the first step. FIG. 7 is a top view illustrating the second step. FIG. 8 is a side view illustrating a third step in the method for loading a storage tank according to the present embodiment. FIG. 9 is a front view illustrating the third step. FIG. 10A is a top view illustrating the third step. FIG. 10B is a top view illustrating the third step. FIG. 11 is a schematic view illustrating a leg portion and a fourth step of the transport vehicle. FIG. 12 is a schematic view illustrating a support portion of the lower tank and the fourth step in the transporting vehicle. FIG. 13 is a side view illustrating an unloading step of the transport trolley in the storage tank loading method of the present embodiment. FIG. 14 is a top view illustrating the lower tank installation step. FIG. 15 is a schematic diagram illustrating a lifting device of the transport vehicle. FIG. 16 is a side view illustrating an installation process of the lower tank in the method for loading a storage tank according to the present embodiment. FIG. 17 is a side view illustrating fifth and sixth steps in the method for loading a storage tank according to the present embodiment.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the present invention is not limited to the embodiments, and when there are a plurality of embodiments, the embodiments include a combination of the embodiments.

  FIG. 1 is a schematic front view showing a storage tank as a storage container for radioactive waste according to one embodiment of the present invention, FIG. 2 is a top view of the storage tank of this embodiment, and FIG. FIG. 3-2 is a schematic view of a roof plate forming the storage tank of the example, FIG. 3-2 is a schematic view of a body plate forming the storage tank of the example, and FIG. 3-3 is a bottom plate forming the storage tank of the example. FIG. 3-4 is a schematic view of the upper part of the skirt constituting the storage tank of the present embodiment, FIG. 3-5 is a schematic view of the lower part of the skirt constituting the storage tank of the present embodiment, and FIG. FIG. 5 is a front view illustrating the first and second steps, FIG. 6-1 is a top view illustrating the first step, and FIG. 6-2 is a top view illustrating the first step, FIG. 6-3 is a schematic view illustrating the first step, FIG. 7 is a top view illustrating the second step, 8 is a side view showing a third step in the method for loading a storage tank of the present embodiment, FIG. 9 is a front view showing the third step, FIG. 10-1 is a top view showing the third step, and FIG. 2 is a top view illustrating a third step, FIG. 11 is a schematic view illustrating a leg portion of the transport trolley and a fourth step, FIG. 12 is a schematic view illustrating a support portion of a lower tank in the transport trolley and a fourth step, FIG. 13 is a side view illustrating a carrying-out step of the transporting vehicle in the method for loading a storage tank according to the present embodiment, FIG. 14 is a top view illustrating a lower tank installing step, and FIG. FIG. 16 is a side view showing a step of installing a lower tank in the method of loading a storage tank of the present embodiment, and FIG. 17 is a side view showing fifth and sixth steps of a method of loading a storage tank of the present embodiment. is there.

  In the present embodiment, first, a storage tank as a storage container for radioactive waste of the present embodiment will be described. As shown in FIGS. 1 and 2, a storage tank (storage container) 101 has an opening at an upper portion of a main body having a cylindrical shape, a lower portion has a dish shape, and can store radioactive waste therein. Things. The storage tank 101 is configured by welding a cylindrical upper tank (upper container) 102 and a cylindrical lower tank (lower container) 103 by welding.

  That is, the storage tank 101 is configured such that a roof plate 111, a plurality of body plates 112 and 113, a bottom plate 114, and skirts 115 and 116 are sequentially combined and joined from above.

  As shown in FIG. 3A, the roof plate 111 has a disk shape, and has a circular opening 111a in the center. Further, the roof plate 111 has four bending prevention beams 121 temporarily fixed to the upper surface thereof by spot welding, and the deformation during transportation is prevented by each of the bending prevention beams 121. The bending prevention beam 121 is removed at the time of assembly.

  As shown in FIG. 3B, the body plates 112 and 113 are one body plate 112 and five body plates 113, and the body plate 112 and the body plate 113 have the same ring shape. The body plates 112 and 113 are temporarily fixed to the inner peripheral surface thereof by two round rings 122 by spot welding, and the respective round rings 122 prevent deformation during conveyance. In addition, this perfect circle ring 122 is removed at the time of assembly.

  The bottom plate 114 has a dish shape as shown in FIG. Further, the bottom plate 114 is temporarily fixed to the outer peripheral edge thereof by spot welding with a spot-welded ring 123, which prevents deformation during conveyance. In addition, this perfect circle ring 123 is removed at the time of assembly.

  The skirts 115 and 116 are an upper skirt 115 and a lower skirt 116. The skirt upper portion 115 has a ring shape as shown in FIG. 3-4. The skirt upper part 115 has two perfect circular rings 124 temporarily fixed to the inner peripheral surface by spot welding, and the perfect circular rings 124 prevent deformation during transportation. Note that this perfect circle ring 124 is removed at the time of assembly. As shown in FIG. 3-5, the skirt lower portion 116 has a disk-shaped flange portion 116b fixed to a lower portion of a ring-shaped main body 116a by welding, and a reinforcing member 116c formed by welding at equal intervals in the circumferential direction. It is fixed and configured. The skirt lower portion 116 is temporarily fixed with a perfect circular ring 125 on the inner peripheral surface thereof by spot welding, and the perfect circular ring 125 prevents deformation during transportation. The perfect ring 125 is removed at the time of assembly.

  The storage tank 101 is configured by joining the roof plate 111, body plates 112 and 113, bottom plate 114, skirts 115 and 116, and the like by welding. After these members are joined to form a main body, a guide rail 145 (see FIG. 1) for a discharge pump, which will be described later, is attached so as to be continuous inside from the opening 111a.

  That is, as shown in FIGS. 1 and 2, one body plate 112 and five body plates 113 are joined so as to be vertically continuous, and a roof plate 111 is joined to an upper portion thereof, and the position of the opening 111 a is located. , A pump loading nozzle 131 is fixed. Further, a resin discharge nozzle 133 is attached to the body plate 112 via a resin inlet nozzle 132, and the resin discharge nozzle 133 is supported by a support member 134 suspended from the roof plate 111. Further, a washing water pipe 136 is attached to the body plate 112 via a washing water inlet nozzle 135, and the washing water pipe 136 is supported by a support member 137 suspended from the roof plate 111. Further, a nozzle screen 139 is attached to the body plate 112 via an overflow nozzle 138. A vent nozzle 140 is attached to the roof plate 111 so as to open to the outside.

  The roof plate 111 has a plurality of radially extending support members 141 fixed to the lower surface at equal intervals in the circumferential direction. The roof panel 111 has a top angle 143 fixed thereto.

  The upper skirt 115 and the lower skirt 116 are joined to each other. The upper skirt 115 is joined to the lower end of the body plate 113 and the outer peripheral edge of the bottom plate 114 is joined. The manhole 144 is mounted on the lower skirt 116. A pair of guide rails 145 are arranged along the axis of the roof plate 111, body plates 112 and 113, bottom plate 114, and skirts 115 and 116 so as to be continuous with the opening 111a. 146 supports the body plate 113.

  Next, a method for loading the storage tank for radioactive waste according to the present embodiment will be described. In this embodiment, for example, in various plants such as a nuclear power plant and a reprocessing plant, a storage tank installation area is provided in a basement portion of a building. For this reason, at a factory on another site, the storage tank is divided into parts and then manufactured, transported to the building by truck, etc., and the plurality of parts are brought in from the entrance of the building and passed through predetermined passages and openings. To the storage tank installation area.

  In this case, the roof plate 111, the plurality of body plates 112, 113, the bottom plate 114, the skirts 115, 116, etc., which constitute the storage tank 101, are transported to the carry-in area before the installation area, and the roof sheet 111 and the body plate 112 are transported. And the three body plates 113 are joined to produce the upper tank 102, and the two body plates 113, the bottom plate 114 and the skirts 115 and 116 are joined to produce the lower tank 103. Then, the upper tank 102 and the lower tank 103 are carried into the installation area in this order, and the two are joined. Actually, the lower tank 103 is manufactured by joining the body plate 113, the bottom plate 114, and the skirts 115 and 116 while carrying the upper tank 102 into the area where the upper tank 102 is installed.

  In this building, as shown in FIGS. 4 to 7, in the installation area A, walls 12, 13, and 14, which are perpendicular to the floor 11, are provided on three sides, and a ceiling 15 is formed above. A carry-in entrance (side entrance portion) 16 is provided on one side except for the vertical walls 12, 13, 14, and an opening 17 is provided on the ceiling 15. In this case, the carry-in entrance 16 to the installation area A is set to be lower than the total height of the storage tank 101 (the height at which the upper tank 102 and the lower tank 103 are joined), and the upper tank 102 and the lower tank 103 It is set higher than each height. That is, in the installation area A, vertical walls 12, 13, and 14 are erected on three sides, and a vertical wall 18 is provided above the entrance 16 as well. A loading area B is provided adjacent to the loading area 16 in the installation area A.

  The method for carrying in the storage tank for radioactive waste in this embodiment is a method for carrying the storage tank 101 from the carrying-in area B to the installation area A, in which the upper tank 102 is horizontally moved from the carrying-in entrance 16 along the floor surface 11. A first step of transporting and transporting the upper tank 102 into the installation area A; a second step of transporting the upper tank 102 transported upward into the installation area A; A third step of transferring and carrying the lower tank 103 below the upper tank 102 in the installation area A; a fourth step of positioning the lower tank 103 at a predetermined position below the upper tank 102; There is a fifth step of placing the tank on the tank 103 and a sixth step of joining the upper tank 102 and the lower tank 103.

  Further, in the third step, the lower tank 103 is mounted on the transport trolley, and is carried into the installation area A by the transport trolley traveling on the floor 11, and is moved by the elevating device arranged on the floor 11. After being lifted and the transport vehicle is carried out of the installation area A, it is lowered by the elevating device and installed on the foundation. In this case, the side surface of the lower tank 103 is supported by the transport trolley, and is carried into the installation area A by the travel of the transport trolley.

  In the fourth step, the lower tank 103 is positioned by the positioning device at a predetermined position below the upper tank 102.

  In the fifth step, after the lower tank 103 is installed on the foundation, it is fixed to the foundation with foundation bolts, and then the upper tank 102 is placed.

  In the sixth step, after the upper tank 102 and the lower tank 103 are joined, a guide rail 145 for a discharge pump is attached so as to be continuous inside from the opening 111a.

  Hereinafter, a configuration for realizing the method for carrying the storage tank for radioactive waste of the present embodiment will be described in detail.

  In the installation area A, a foundation 20 for installing the storage tank 101 on the floor 11 is laid. From the loading area B to the installation area A, a pair of I-shaped guide rails 21 are fixed to the floor 11 on both sides of the foundation 20. As shown in FIGS. 4 to 6-3, the first transport vehicle 22 as a transport vehicle transports the upper tank 102 from the transport area B to the installation area A. The first transport carriage 22 includes two vertical beams 23 having two I-shaped cross sections parallel to the guide rail 21 and four horizontal beams 24 connecting the two vertical beams 23 having two I-shaped cross sections orthogonal to the guide rail 21. It is composed of Each of the vertical beams 23 has an upper end connected to an end of a horizontal beam 24 and a lower surface provided with a plurality of guide rollers 25 that roll on the guide rails 21. In this case, a frame body is formed by the vertical beams 23 and the horizontal beams 24, and a bogie main body is formed by the vertical beams 23, the horizontal beams 24, and the guide rollers 25. Therefore, the first transporting carriage 22 can mount the upper tank 102 on each of the cross beams 24, and moves the upper tank 102 from the loading area B to the installation area A along the guide rails 21 to load the upper tank 102 into the loading area A. 16 to the installation area A.

  As shown in FIGS. 4 and 6-1, the first transport carriage 22 is provided so as to be movable by a moving device 61. The moving device 61 is for towing the bogie main body, and has a cable member 62 and a towing mechanism 63. The rope member 62 is bridged between the bogie main body on the moving side and the vertical wall 12 on the fixed side, and includes, for example, a chain. In this embodiment, the rope member 62 has one end connected to a mounting piece 23 a as a mounting member provided on the side of the vertical beam 23 of the bogie main body, and a mounting piece as a mounting member provided on the wall 12. The other end is connected to 12a. The traction mechanism 63 shortens or lengthens the length of the rope member 62, and is configured as a so-called lever block, and reduces the length of the rope member 62 by operating a lever. The moving device 61 is provided on both sides of the bogie main body in correspondence with each vertical beam 23 of the bogie main body, and both are operated at the same time to shorten the length of each cable member 62, thereby installing the first transport bogie 22. Tow to area A side. In the moving device 61, the other end of the rope member 62 is connected to a mounting piece (not shown) as a mounting member provided on the floor surface 11 on the side of the loading area B, and the length of the rope member 62 is reduced. By shortening, the first transport trolley 22 is pulled to the loading area B side.

  Further, as shown in FIG. 6B, the first transport carriage 22 may be provided so as to be movable by the moving device 65. The moving device 65 extrudes the bogie main body, and has an extruding mechanism. The pushing mechanism is configured as, for example, a hydraulic actuator, and is disposed between the bogie main body on the moving side and the floor surface 11 on the fixed side. The push-out mechanism as a hydraulic actuator has a hydraulic cylinder 66 and a rod 67 connected to a piston in the hydraulic cylinder 66. In this embodiment, a mounting member provided on the side of the cross beam 24 of the bogie main body is provided. The tip of the rod 67 is connected to the mounting piece 24a, and the hydraulic cylinder 66 is connected to a mounting piece (not shown) provided as an attachment member provided on the floor surface 11. The moving device 65 pushes the first transport trolley 22 to the installation area A side when the hydraulic oil is sent to the hydraulic cylinder 66 and the rod 67 extends. On the other hand, the moving device 65 pulls the first transport carriage 22 back to the loading area B side by the hydraulic oil being sent to the hydraulic cylinder 66 and the rod 67 being shortened.

  Further, as shown in FIG. 6C, the first transporting carriage 22 may be provided so as to be movable by a moving device 69. The moving device 69 moves the bogie main body, and has a drive mechanism. The drive mechanism is configured as a rotation drive mechanism such as a motor, and is connected to the guide roller 25 to roll the guide roller 25. The moving device 69 moves the first transport carriage 22 toward the installation area A by rolling the guide roller 25 in one direction by the driving mechanism of the moving device 69. Further, the moving device 69 moves the first transport carriage 22 to the loading area B side by rolling the guide roller 25 in the other direction by the driving mechanism of the moving device 69.

  In the installation area A, four hanging pieces 28 are attached to the ceiling 15. On the other hand, in the upper tank 102, four hanging pieces 102a are fixed to the outer peripheral portion in advance at equal intervals in the circumferential direction. Therefore, the four suspension chains 29 are locked from the suspension pieces 28 to the suspension pieces 102a of the upper tank 102, and the suspension chain 29 is pulled by a chain block (not shown). Can be lifted and transported upward.

  On the other hand, as shown in FIGS. 8 to 12, the second transport vehicle 31 which is a transport vehicle transports the lower tank 103 from the transport area B to the installation area A. The second carrier 31 has two I-shaped cross sections parallel to the guide rails 21 and two I-shaped sections orthogonal to the guide rails 21 in substantially the same manner as the first carrier 22. And two horizontal beams 33 connecting the vertical beams 32. Each of the vertical beams 32 has an upper surface at each end connected to an end of the horizontal beam 33 and a lower surface provided with a plurality of guide rollers 34 that roll on the guide rails 21. In this case, the vertical beam 32 and the horizontal beam 33 constitute a frame, and the vertical beam 32, the horizontal beam 33, and the guide roller 34 constitute a bogie main body.

  As shown in FIG. 8 and FIG. 10A, the second transport cart 31 is provided so as to be movable by a moving device 61. The moving device 61 is for towing the bogie main body, and has a cable member 62 and a towing mechanism 63. The rope member 62 is bridged between the bogie main body on the moving side and the vertical wall 12 on the fixed side, and includes, for example, a chain. In this embodiment, the rope member 62 has one end connected to a mounting piece 32 a as a mounting member provided on a side portion of the vertical beam 32 of the bogie main body, and a mounting piece as a mounting member provided on the wall 12. The other end is connected to 12a. The traction mechanism 63 shortens or lengthens the length of the rope member 62, and is configured as a so-called lever block, and reduces the length of the rope member 62 by operating a lever. This moving device 61 is provided on both sides of the bogie main body corresponding to each vertical beam 32 of the bogie main body, and both are operated at the same time to shorten the length of each cable member 62, thereby installing the second transport bogie 31. Tow to area A side. In the moving device 61, the other end of the rope member 62 is connected to a mounting piece (not shown) as a mounting member provided on the floor surface 11 on the side of the loading area B, and the length of the rope member 62 is reduced. By shortening, the second carrier 31 is pulled toward the loading area B.

  Further, as shown in FIG. 10B, the second transport cart 31 may be provided so as to be movable by the moving device 65. The moving device 65 extrudes the bogie main body, and has an extruding mechanism. The pushing mechanism is configured as, for example, a hydraulic actuator, and is disposed between the bogie main body on the moving side and the floor surface 11 on the fixed side. The pushing mechanism as a hydraulic actuator has a hydraulic cylinder 66 and a rod 67 connected to a piston in the hydraulic cylinder 66, and in this embodiment, an attachment member provided on a side of the cross beam 33 of the bogie main body. The tip of the rod 67 is connected to the mounting piece 33a, and the hydraulic cylinder 66 is connected to a mounting piece (not shown) provided as an attachment member provided on the floor surface 11. The moving device 65 pushes the second transport trolley 31 to the installation area A side when hydraulic oil is sent to the hydraulic cylinder 66 and the rod 67 extends. On the other hand, the moving device 65 pulls the second carrier 31 back to the carry-in area B side by the operation oil being sent to the hydraulic cylinder 66 and the rod 67 expanding and contracting.

  Further, as shown in FIG. 6C, the second transporting cart 31 may be provided so as to be movable by a moving device 69. The moving device 69 moves the bogie main body, and has a drive mechanism. The drive mechanism is, for example, configured as a rotary drive mechanism such as a motor, and is connected to the guide roller 34 to roll the guide roller 34. Then, the moving device 69 moves the second transport trolley 31 toward the installation area A by rolling the guide roller 34 in one direction by the driving mechanism of the moving device 69. In addition, the moving device 69 moves the second transport cart 31 to the loading area B side by rolling the guide roller 34 in the other direction by the driving mechanism of the moving device 69.

  Further, the second transport cart 31 is provided with a first support member 35 capable of supporting a side portion of the lower tank 103 at an intermediate portion of each longitudinal beam 32 and each lateral beam 33 in the longitudinal direction. The first support member 35 has an I-shaped cross section, is disposed along a horizontal direction orthogonal to each of the vertical beams 32 and each of the horizontal beams 33, and has one end attached to the upper surface of each of the vertical beams 32 and each of the horizontal beams 33 by bolts. And the other end is extended toward the inside of the frame. In this case, the mounting height of the first support member 35 is different between the vertical beam 32 and the horizontal beam 33. Specifically, as shown in FIG. 12, the first support member 35 provided on the vertical beam 32 is connected to the vertical beam 32 and mounted at the same height as the horizontal beam 33. As shown in FIG. The first support member 35 provided on the cross beam 33 is connected to the cross beam 33. The second transport cart 31 has a plurality of first support pads 36 fixed to the side of the lower tank 103 at equal intervals in the circumferential direction. The first support pad 36 has a curved surface such that one surface is in close contact with the outer peripheral surface of the lower tank 103, and the other surface is a horizontal surface, and is in close contact with the outer peripheral surface of the lower tank 103. , Bolts). In this case, since the mounting height of the first support member 35 is different between the vertical beam 32 and the horizontal beam 33, each first support pad 36 has a lower portion corresponding to the mounting height of each first support member 35. It is fixed at the position of the tank 103.

  In this case, the number of the first support members 35 and the number of the first support pads 36 are the same. Although not shown, each first support member 35 has a plurality of through holes for attachment formed in a support plate 35a integrally formed at an end portion, while each first support pad 36 has a plurality of through holes for attachment. A plurality of female threads are formed.

  Accordingly, in the second transporting cart 31, the lower tank 103 is disposed inside the frame, and the support plate 35a of each first support member 35 is moved to a position above the floor surface 11 by a predetermined amount. By attaching each first support member 35 to each first support pad 36 with a plurality of fixing bolts 37 in close contact with the first support pad 36, the lower tank 103 can be detachably supported. The second carrier 31 can support the lower tank 103 with each vertical beam 32 and each horizontal beam 33, and moves from the loading area B to the installation area A along the guide rails 21, thereby lowering the lower tank 103. 103 can be carried into the installation area A from the carry-in entrance 16.

  In addition, as shown in FIGS. 11 and 12, the lower tank 103 is provided with an insertion hole 116bb in the flange portion 116b. The positioning pin 71 is inserted into the insertion hole 116bb with the tip thereof facing downward. On the other hand, the base 20 has a positioning hole 20b. The tip of the positioning pin 71 is inserted into the positioning hole portion 20b when the lower tank 103 is transferred to a predetermined position below the upper tank 102. The predetermined position below the upper tank 102 is the installation area A, and is a position where the lower tank 103 is fixed to the foundation with foundation bolts. In other words, when the lower tank 103 is transferred to a predetermined position below the upper tank 102, the positioning hole 20b is formed on the base vertically below the insertion hole 116bb provided in the flange 116b of the lower tank 103. Therefore, when the lower tank 103 is transferred to a predetermined position below the upper tank 102, the tip of the positioning pin 71 inserted into the insertion hole 116bb is inserted into the positioning hole 20b. Therefore, when the tip of the positioning pin 71 is inserted into the positioning hole 20b, the lower tank 103 is positioned at a position where it is fixed to the foundation with the foundation bolt. The insertion holes 116bb, the positioning pins 71, and the positioning holes 20b constitute a positioning device. As shown in FIG. 15, the base bolt 51 is used as a positioning pin 71, the mounting bolt 116ba through which the base bolt 51 penetrates the flange portion 116b of the lower tank 103 is used as an insertion hole 116bb, and the base bolt 51 is screwed. The positioning device may be configured by using the female screw portion 20a of the base 20 as the positioning hole portion 20b.

  As shown in FIGS. 13 to 15, the lower tank 103 is provided with a plurality of second support pads 41 at equal intervals in a circumferential direction on a side portion. 42 is detachably attached by a fixing bolt 43. That is, the second support pad 41 has a curved surface such that one surface is in close contact with the outer peripheral surface of the lower tank 103, and the other surface is a horizontal surface, and is in close contact with the outer peripheral surface of the lower tank 103. Or, bolts). The second support pad 41 is fixed at substantially the same height as the first support pad 36 fixed to the vertical beam 32 described above, and at a position shifted by about 30 degrees in the circumferential direction of the lower tank 103. I have. Each second support member 42 has an I-shaped cross section, is arranged along the radial direction of the lower tank 103, and a support plate 42 a provided at one end is in close contact with each second support pad 41 of the lower tank 103. Then, the plurality of fixing bolts 43 pass through the support plate 42a and are screwed into the respective second support pads 41, so that the respective second support members 42 are attached to the lower tank 103 via the respective second support pads 41. .

  The jack 44 as a lifting / lowering device has a piston 44 a that can be raised / lowered by electric power (or hydraulic pressure), and is arranged on the floor surface 11 corresponding to the other end of each second support member 42. Therefore, the second support members 42 are fixed at predetermined positions with respect to the lower tank 103 carried into the installation area A from the carry-in area B by the second carrier trolley 31, and the second support members 42 By arranging the respective jacks 44 below and operating the respective jacks 44 to advance the respective pistons 44a, the lower tank 103 can be raised via the respective second support members 42. After the lower tank 103 is lifted by the jack 44, a plurality of liner plates 45 are inserted between the foundation 20 and the flange portion 116b of the lower tank 103 to receive the load of the lower tank 103.

  Then, in a state where the lower tank 103 is supported on the foundation 20 by the liner plate 45, the connection between each first support member 35 and each first support pad 36 is released by loosening the fixing bolts 37. The two transport carts 31 can be carried out from the installation area A to the carry-in area B. Thereafter, the lower tank 103 is raised by using the jack 44, then the liner plate 45 is removed, and the jack 44 is operated to retract each piston, thereby lowering the lower tank 103 via each second support member 42. Then, it can be placed on the foundation 20.

  Here, a method for carrying the storage tank for radioactive waste of the present embodiment will be described in detail.

  As shown in FIG. 1, a roof plate 111, a plurality of body plates 112 and 113, a bottom plate 114, skirts 115 and 116, etc., which constitute a storage tank 101, are manufactured in a factory, and are transported to a building by a truck or the like. As shown in FIGS. 4 to 7, the material is transported from the entrance of the building to a carry-in area B before the installation area A, as shown in FIGS. Then, the upper tank 102 is manufactured by joining the roof panel 111, the body panel 112, and the three body panels 113 in the loading area B.

  When the upper tank 102 is manufactured, the upper tank 102 is placed on the first transport carriage 22 supported by the guide rail 21 in the loading area B. Then, the first transporting carriage 22 is moved forward by the moving device 61 (65, 69) to move from the loading area B to the installation area A. In this case, even if the height of the carry-in port 16 is not sufficient, first, only the upper tank 102 is carried into the installation area A from the carry-in port 16 by the first transport carriage 22, so that the work of carrying in the upper tank 102 is performed. Becomes easier.

  When the upper tank 102 is carried into the installation area A together with the first transport carriage 22, the ends of the respective suspension chains 29 suspended from the respective suspension pieces 28 provided on the ceiling 15 are connected to the respective suspension pieces 102 a of the upper tank 102. The upper tank 102 is lifted and transferred upward by pulling the suspension chain 29 by the chain block.

  On the other hand, as shown in FIG. 8 to FIG. 12, during the operation of transferring the upper tank 102 upward, the two body plates 113, the bottom plate 114, and the skirts 115 and 116 are joined in the loading area B. Then, the lower tank 103 is manufactured.

  When the upper tank 102 is transferred to a predetermined upper position and the lower tank 103 is manufactured in the loading area B, the second transporting cart 31 is prepared in the loading area B, and the lower tank 103 is provided inside the frame. Is fixed to the first support pad 36 of the lower tank 103 by fixing the support plate 35a of each first support member 35 at a position raised from the floor surface 11 by a predetermined amount. The lower tank 103 is supported. Then, by moving the second carriage 31 along the guide rails 21 from the carry-in area B to the installation area A by the moving device 61 (65, 69), the supported lower tank 103 is installed from the carry-in entrance 16. It can be brought into Area A. Here, the lower tank 103 is located below the upper tank 102, and a predetermined gap is secured between the two.

  When the lower tank 103 is carried into the installation area A together with the second carriage 31, as shown in FIGS. 11 and 12, the positioning of the lower tank 103 which is inserted into the insertion hole 116 bb provided in the flange portion 116 b of the lower tank 103 is performed. The pin 71 moves together with the lower tank 103 while contacting the upper surface of the foundation 20. Then, when the lower tank 103 is transferred to a predetermined position fixed to the foundation by the foundation bolts, the positioning pins 71 are inserted into the positioning holes 20b provided in the foundation 20, and the lower tank 103 is positioned.

  When the lower tank 103 is carried into the installation area A together with the second transport trolley 31, the lower tank 103 is supported by the second transport trolley 31 in the installation area A as shown in FIGS. The second support members 42 are fixed to the second support pads 41 of the lower tank 103, and the jacks 44 are arranged below the second support members 42. Then, by operating each jack 44, the lower tank 103 is raised via each second support member 42. At this time, the load of the lower tank 103 is received by inserting a plurality of liner plates 45 between the foundation 20 and the flange portion 116b of the lower tank 103.

  Then, in a state where the lower tank 103 is supported on the foundation 20 by the liner plate 45, the fixing bolts 37 are loosened, so that each first support pad 36 is removed from each first support member 35 of the lower tank 103. Subsequently, after removing only the cross beam 33 on the wall 12 side from the second transport trolley 31, the second transport trolley 31 is moved to be carried out from the installation area A to the carry-in area B.

  When the lower transport tank 103 is supported by the second transport trolley 31 in the loading area B, the lower transport tank 103 is raised. In this case, the lower tank 103 may be raised using the jacks 44, and at this time, the second support members 42 are fixed to the respective second support pads 41 of the lower tank 103, and the jacks 44 are used. The lower tank 103 may be raised via each of the second support members 42. Alternatively, a hanging chain, a lifting facility, or the like may be separately provided.

  In addition, the jack 44 is operated to raise the lower tank 103 via the second support member 42, and in this state, the connection between the lower tank 103 and the first support member 35 is released to unload the second carrier 31. I do. In this case, the lower tank 103 is supported via the second support member 42 at a position where the second transporter 31 supports the lower tank 103 by slightly operating the jack 44, and the liner plate 45 places the lower tank 103 on the base 20. It is preferable to support the lower tank 103 and release the connection between the lower tank 103 and the first support member 35.

  Then, when the second transport vehicle 31 is carried out from the installation area A to the carry-in area B, as shown in FIG. 16, the lower tank 103 is then raised using the jack 44, and then the liner plate 45 is removed. Thereafter, the lower tank 103 is lowered via the second support members 42 by operating the jacks 44 to retract the respective pistons 44 a, and is placed on the foundation 20. Here, the lower tank 103 is positioned in the horizontal direction on the foundation 20, and as shown in FIG. 15, the base bolts 51 are inserted from above into a plurality of mounting holes 116ba provided in the flange portion 116b of the lower tank 103. The lower tank 103 is fixed on the foundation 20 by penetrating and screwing into a female screw portion 20 a configured by previously disposing a nut on the foundation 20.

  Thereafter, as shown in FIG. 17, the suspension tank 29 is moved by the chain block, thereby suspending the upper tank 102 and moving it downward, and placing the upper tank 102 on the lower tank 103. Then, the lower edge of the upper tank 102 and the upper edge of the lower tank 103 are welded and joined (welded portion J). Then, the suspension chain 29 is removed from the upper tank 102.

  After the upper tank 102 and the lower tank 103 are joined, a guide rail 145 for a discharge pump is arranged so as to be continuous inside from the opening 111a, and is supported on the body plate 113 by a plurality of support members 146.

  As described above, in the storage container transport trolley of the present embodiment, the radioactive waste storage tank 101 having the opening 111a at the top of the main body and capable of storing radioactive waste therein is carried into the installation area A. A transport device for transporting storage containers, wherein the first transport vehicle 22 and the second transport vehicle 31 are movable along the floor surface 11, and a moving device that enables the first transport vehicle 22 and the second transport vehicle 31 to move. 61, 65, and 69.

  Therefore, since the first transport vehicle 22 and the second transport vehicle 31 are movably provided by the moving devices 61, 65, and 69, the large storage tank 101 can be easily carried into a predetermined position.

  In the storage container transport cart of the present embodiment, the moving device 61 pulls the first transport cart 22 and the second transport cart 31, and the first transport cart 22 and the second transport cart 31 are: Mounted pieces 23a and 32a are provided to which the towing rope member 62 of the moving device 61 can be connected. Therefore, since the first transporting carriage 22 and the second transporting carriage 31 are movable with the rope member 62 of the moving device 61 attached thereto, the large storage tank 101 can be easily carried into a predetermined position.

  In the storage container transport cart of the present embodiment, the moving device 65 pushes out the first transport cart 22 and the second transport cart 31, and the first transport cart 22 and the second transport cart 31 move. A mounting member capable of connecting the pushing mechanism in the device 65 is provided. Therefore, since the first transporting carriage 22 and the second transporting carriage 31 are movable with the pushing mechanism of the moving device 65 attached thereto, the large storage tank 101 can be easily carried into a predetermined position.

  In the storage container transport cart of the present embodiment, the moving device 69 causes the first transport cart 22 and the second transport cart 31 to travel, and the first transport cart 22 and the second transport cart 31 are: Guide rollers 25 and 34 that are rolled by a drive mechanism of the moving device 69 are provided. Therefore, the first transporting carriage 22 and the second transporting carriage 31 can be moved by the drive mechanism of the moving device 69 being mounted and the guide rollers 25 and 34 being rolled, so that the large storage tank 101 can be moved to a predetermined position. It can be easily brought into the position.

  Further, in the storage container transport cart of this embodiment, one end is connected to the second transport cart 31 and the other end is capable of supporting the side of the lower tank 103 constituting the storage tank 101. 35 are provided. Therefore, by supporting the side portion of the lower tank 103 via the plurality of first support members 35 by the second transport cart 31, the lower tank 103 can be transported in a low posture, and the large storage tank 101 can be easily installed at a predetermined position.

  Further, in the transporting trolley of the storage container of the present embodiment, each end of the pair of horizontal vertical beams 32 and the pair of horizontal beams 33 is connected to form a frame in which the lower tank 103 can be arranged inside. A second carrier 31 is formed, and a first support member 35 is connected to the vertical beam 32 and the horizontal beam 33. Accordingly, by disposing the lower tank 103 inside the frame and supporting it by the first support member 35, the lower tank 103 is transported with a small gap from the floor surface 11 regardless of the height of the second transport vehicle 31. Therefore, even when the entrance 16 is small with respect to the installation area A, the lower tank 103 can be easily carried in and installed.

  Further, in the storage container transport trolley of the present embodiment, the first support member 35 is connected to each longitudinal beam 32 and each transverse beam 33 at the intermediate portion in the longitudinal direction. Therefore, the length of the first support member 35 can be shortened by reducing the distance between each of the vertical beams 32 and each of the horizontal beams 33 and the lower tank 103, and the load acting on the first support member 35 can be reduced. Thus, the size and weight of the first support member 35 can be reduced.

  Further, in the storage container transport trolley of the present embodiment, a plurality of first support pads 36 fixed at equal intervals in the circumferential direction are provided on the side of the lower tank 103, and the end of the first support member 35 is It is detachably connected to the side of the lower tank 103 via one support pad 36. Therefore, by fixing the first support pad 36 to the side portion of the lower tank 103 in advance, by connecting the first support member 35 and the first support pad 36, the lower tank 103 can be easily supported. Can be.

  In addition, in the transporting trolley of the storage container according to the present embodiment, the first support pad 36 is provided with a female screw portion to which a fixing bolt 37 for fixing the first support member 35 is screwed. Therefore, the connection work between the first support member 35 and the first support pad 36 can be simplified.

  In the method for carrying a storage container according to the present embodiment, a storage tank 101 of radioactive waste having an opening 111a at the top of the main body and capable of storing radioactive waste therein is carried into the installation area A. It is a method for carrying in a storage container, comprising: a first step of horizontally transferring an upper tank 102 from a carry-in port 16 along a floor 11 and carrying it into an installation area A; and a step of carrying the upper tank 102 carried into the installation area A. A second step of transferring the lower tank 103 upward from the carry-in port 16 along the floor 11 and carrying the lower tank 103 below the upper tank 102 in the installation area A; A fourth step of positioning at a predetermined position below 102, a fifth step of transferring the upper tank 102 downward and placing it on the lower tank 103, and joining the upper tank 102 and the lower tank 103 And a sixth step.

  Therefore, after the upper tank 102 is carried into the installation area A from the carry-in port 16 and transferred upward, the lower tank 103 is carried below the upper tank 102 from the carry-in port 16, and the upper tank 102 is placed on the lower tank 103. By mounting and joining the two, the storage tank 101 can be easily loaded and installed even if the entrance 16 is small with respect to the installation area A where the storage tank 101 is installed. Moreover, by positioning the lower tank 103 at a predetermined position below the upper tank 102, the lower tank 103 can be installed at a predetermined position in the installation area A.

  Further, in the method for loading a storage container according to the present embodiment, the step of positioning the lower tank 103 at a predetermined position below the upper tank 102 includes the step of positioning the lower tank 103 with its tip directed downward and transferred together with the lower tank 103. 71 and a positioning hole 20b provided on the floor surface 11 side so that the tip of the positioning pin 71 can be inserted therein, and when the lower tank 103 is transferred to a predetermined position below the upper tank 102. The tip of the positioning pin 71 is inserted into the positioning hole 20b. Therefore, by inserting the positioning pin 71 into the positioning hole 20b, the lower tank 103 can be positioned at a predetermined position below the upper tank 102, and the lower tank 103 can be installed at a predetermined position in the installation area A. Can be.

  In the method for loading a storage container according to the present embodiment, the process of horizontally transferring the lower tank 103 from the side entrance along the floor 11 and loading the lower tank 103 below the upper tank 102 in the installation area A includes the steps of: Is transported horizontally along the floor surface 11 by pulling a rope member 62 attached to the second transporting trolley 31 on which it is mounted and between it and the fixed side. Therefore, the second storage cart 31 is movably provided, so that the large storage tank 101 can be easily carried into a predetermined position.

  In the method for loading a storage container according to the present embodiment, the lower tank 103 is loaded on the second transport vehicle 31 and travels along the guide rails 21 to be loaded into the installation area A and placed on the floor surface 11. After being lifted up by the jack 44 and carrying out the second carriage 31 from the installation area A, it is lowered by the jack 44 and installed on the foundation 20. Accordingly, the lower tank 103 is loaded into the installation area A on the second transport trolley 31, and the lower tank 103 is raised by the jack 44, so that the second transport trolley 31 can be easily transported out.

  In the method for loading a storage container according to the present embodiment, the side surface of the lower tank 103 is supported by the second transport vehicle 31, and the second transport vehicle 31 travels into the installation area A. Accordingly, the height of the lower tank 103 supported by the second transport trolley 31 can be reduced by supporting the side surface of the lower tank 103 and carrying the second transport trolley 31 into the installation area A. The carrying property of the tank 103 can be improved.

  In the method for loading a storage container according to the present embodiment, after the lower tank 103 is installed on the foundation 20, it is fixed to the foundation 20 with a plurality of foundation bolts 51, and then the upper tank 102 is placed on the lower tank 103. are doing. Therefore, by mounting the upper tank 102 after fixing the lower tank 103 to the foundation 20, the lower tank 103 can be fixed at an appropriate position in a lightweight state, and the mounting work of the upper tank 102 can be performed. The displacement of the lower tank 103 can be prevented.

  In the method for loading a storage container according to the present embodiment, after the upper tank 102 and the lower tank 103 are joined, they are mounted on the guide rail 145 for the discharge pump so as to be continuous inside from the opening 111a. Therefore, by mounting the guide rail 145 after assembling the main body, the assemblability can be improved without dividing the guide rail 145.

  Further, in the method for loading a storage container according to the present embodiment, the upper tank 102 is constituted by a roof plate 111 and a plurality of body plates 112 and 113, and the lower tank 103 is constituted by a plurality of body plates 113, a bottom plate 114 and skirts 115 and 116. And the roof panel 111, the plurality of body panels 112, 113, the bottom panel 114, and the skirts 115 and 116 are carried into the loading area B through the passage from the entrance of the building, where the roof panel 111 and the plurality of body panels The upper tank 102 is formed by joining the upper and lower tanks 112 and 113, and the lower tank 103 is formed by joining the plurality of body plates 113, the bottom plate 114, and the skirts 115 and 116. It has been carried into the installation area A. Therefore, by configuring the storage tank 101 from a plurality of parts such as the roof plate 111, the body plates 112 and 113, the bottom plate 114, and the skirts 115 and 116, the storage tank 101 can be easily transported even in a narrow passage, and can be easily assembled. Can be improved.

  In the method for loading a storage container according to the present embodiment, the entrance 16 to the installation area A is set lower than the total height of the storage tank 101 (the height at which the upper tank 102 and the lower tank 103 are joined), In addition, the height is set higher than each height of the upper tank 102 and the lower tank 103. Therefore, even when the height of the carry-in entrance 16 with respect to the installation area A where the storage tank 101 is installed is specified, the storage tank 101 can be easily carried into this installation area A and installed.

In addition, in the radioactive waste storage container of the present embodiment, the upper part of the cylindrical main body has an opening 111a and the lower part has a dish shape, and the radioactive waste capable of storing the radioactive waste therein. A waste storage tank 101 is formed by joining a cylindrical upper tank 102 and a lower tank 103 by welding. Further, the storage container for radioactive waste of the present embodiment is:
The lower tank 103 is moved below the upper tank 102 while the upper tank 102 is moved upward, and the upper tank 102 and the lower tank 103 are joined together. When the positioning pin 71 is transferred to a predetermined position below the upper tank 102, the tip of the positioning pin 71 is inserted into the positioning hole 20b provided on the floor surface 11 side.

  Therefore, the upper tank 102 and the lower tank 103 are carried into the installation area A in a small state, and the upper tank 102 and the lower tank 103 are joined to form the storage tank 101, whereby the large storage tank is formed. 101 can be easily carried in. Moreover, by inserting the positioning pins 71 into the positioning holes 20b, the lower tank 103 can be positioned at a predetermined position below the upper tank 102, and the lower tank 103 can be installed at a predetermined position in the installation area A. Can be.

  Further, in the storage container for radioactive waste of the present embodiment, the roof plate 111 having the opening 111a, the plurality of body plates 112 and 113 having a ring shape, the bottom plate 114 having a dish shape, and the bottom plate 114 are supported. The storage tank 101 is formed by sequentially combining and joining the skirts 115 and 116 to be used. Therefore, by comprising a plurality of parts such as the roof plate 111, the body plates 112 and 113, the bottom plate 114, and the skirts 115 and 116, even a narrow passage can be easily conveyed, and the assembling property is improved. Can be. In addition, since the components are formed in a ring shape and are transported so as not to be deformed, the assembling work in the loading area B is facilitated, and the components can be easily loaded into the installation area A and joined in a short period of time.

  Further, in the radioactive waste storage container of the present embodiment, after the roof plate 111, the plurality of body plates 112, 113, the bottom plate 114, and the skirts 115, 116 are joined, they are connected to the inside from the opening 111a. A guide rail 145 for the discharge pump is mounted. Therefore, by mounting the guide rail 145 after assembling the main body, the assemblability can be improved without dividing the guide rail 145.

  In the above-described embodiment, the storage tank 101 is configured by joining ten parts such as the roof plate 111, the plurality of body plates 112 and 113, the bottom plate 114, and the skirts 115 and 116. Is not limited to the embodiment. The storage tank 101 is an upper tank 102 and a lower tank 103, and the storage tank 101 is sequentially brought into the installation area A. However, the number of divisions at this time is not limited to two, and the upper tank, the middle tank, the lower tank, and the like are not limited to two. It may be divided into three, four or more.

  In the above-described embodiment, the carrying of the storage tank 101 into the installation area A has been described. In addition, when replacing the storage tank 101 or dismantling the plant, the storage tank 101 is carried out from the installation area A to the carry-in area B. In such a case, the storage tank 101 is divided into an upper tank 102 and a lower tank 103, and the storage tank 101 is carried out in the reverse procedure. Then, the first transport vehicle 22 and the second transport vehicle 31 are transferred from the installation area A to the carry-in area B by the moving device 61 (65, 69).

11 Floor 16 Carrying entrance (side entrance)
Reference Signs List 20 foundation 20b positioning hole 21 guide rail 22 first transporting trolley (transporting trolley)
29 Suspension chain 31 Second transport trolley (Transport trolley)
32 vertical beam 33 horizontal beam 35 first support member 36 first support pad 37 fixing bolt 41 second support pad 42 second support member 44 jack (elevating device)
51 foundation bolt 61,65,69 moving device 62 cable member 63 traction mechanism 66 hydraulic cylinder 67 rod 71 positioning pin 101 storage tank (storage container)
102 Upper tank (upper container)
103 Lower tank (lower container)
111 Roof panel 112, 113 Body panel 114 Bottom panel 115, 116 Skirt A Installation area B Loading area

Claims (8)

In carrying a storage container of radioactive waste into a predetermined area which has an opening at the top of the main body and can store radioactive waste therein,
Transporting the upper container horizontally from the side entrance to the area by a trolley body movable along the floor surface and a moving device capable of moving the trolley body,
Transferring the upper container carried into the area upward,
A step of horizontally transferring the lower container from the side entrance portion along the floor surface to a movable trolley body and a moving device capable of moving the trolley body, and carrying the lower container below the upper container in the area;
Positioning the lower container at a predetermined position below the upper container,
Transferring the upper container downward and placing it on the lower container,
Joining the upper container and the lower container,
A method for loading a storage container having:
The moving device is for towing the bogie main body, and the bogie main body is provided with an attachment member capable of connecting a rope member for towing in the moving device,
A foundation for laying the storage container on the floor is laid,
The step of positioning the lower container at a predetermined position below the upper container includes: a positioning pin that is disposed facing downward and is transferred together with the lower container; and a tip of the positioning pin provided on the base. A positioning hole provided so as to be insertable is provided, and the tip of the positioning pin is inserted into the positioning hole when the lower container is transferred to a predetermined position below the upper container,
The positioning pin includes a base bolt for fixing the lower container to the base, and the positioning hole includes a female screw part of the base to which the base bolt is screwed. How to bring in containers.   The step of horizontally transferring the lower container from the side entrance portion and carrying the lower container below the upper container in the area includes, between a fixed member and a rope member attached to a transport trolley on which the lower container is mounted. 2. The method according to claim 1, wherein the transporting carriage is horizontally moved by pulling over and pulling.   The lower container is mounted on a transport trolley, is carried into the area by the transport trolley traveling on the floor, and is lifted by an elevating device arranged on the floor, and the transport trolley is moved into the area. 3. The method according to claim 1, wherein after being carried out of the storage container, the storage device is lowered by the elevating device and installed on the foundation provided on the floor surface. 4.   4. The method according to claim 3, wherein a side surface of the lower container is supported by the carrier, and the lower container is carried into the area by traveling of the carrier. 5.   The said lower container is fixed to the said foundation with the some said foundation bolt after being installed in the said foundation, After that, the said upper container is mounted, The any one of Claim 1 to 4 characterized by the above-mentioned. 3. The method for carrying a storage container according to item 1.   The guide rail for a discharge pump is attached so that the upper container and the lower container may be connected to each other and connected to the inside of the lower container after the lower container is joined. A method for loading the storage container described in the above.   The upper container has a roof plate having the opening and a plurality of body plates having a ring shape, and the lower container has a plurality of body plates having a ring shape and a bottom plate having a dish shape. A skirt for supporting the bottom plate, and carrying the roof plate, the plurality of body plates, the bottom plate, and the skirt up to just before the area through a passage from an entrance of a building, wherein the roof plate and the skirt The upper container is formed by joining a plurality of body plates, and the lower container is formed by joining the plurality of body plates, the bottom plate, and the skirt, and the upper container and the lower container are arranged in this order. The method according to any one of claims 1 to 6, wherein the storage container is carried into an area.   The side entrance to the area is set lower than the total height of the storage container, and is set higher than each height of the upper container and the lower container. The method for carrying a storage container according to any one of the above.

Images