JP2016166778A - Carrier truck of storage container, carrying-in method and storage container of radioactive waste - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a carrier truck of storage container capable of easily carrying in to a predetermined position.SOLUTION: The carrier truck of a storage container is a carrier truck for carrying in a storage tank of radioactive wastes, which has an opening 111a in an upper part of the body and is capable of reserving radioactive wastes therein, into an installation zone A, and includes: a first carrier truck and a second carrier truck 31 which are movable along a floor 11; and a moving device 61 capable of moving the first carrier truck and the second carrier truck 31.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a storage container transport carriage, a storage container carrying method, and a radioactive waste storage container for carrying a radioactive waste storage container into a predetermined place in various plants.

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

  As a storage tank for storing such radioactive waste, there are those described in Patent Document 1 and Patent Document 2 below. The radioactive waste storage and transfer device described in Patent Document 1 has an open air container for storing radioactive waste, an agitation transfer pump placed in the shielded water of the container, and a transfer pipe connected to the pump. The radioactive waste and the shielding water are stirred and mixed and then discharged from the transfer pipe. In addition, the radioactive waste storage container described in Patent Document 2 is configured by joining a cylindrical upper container and a lower container by welding.

  In Patent Document 2, as a method for carrying in a storage container, a storage container for carrying in a predetermined area a radioactive waste storage container having an opening at the top of the main body and capable of storing radioactive waste inside is disclosed. The method includes a step of horizontally transferring an upper container from a side inlet portion and carrying it into the area, a step of transferring the upper container carried into the area upward, and a lower container as the side inlet. A step of horizontally transferring from the section and carrying it below the upper container in the section; a step of moving the upper container downward and placing it on the lower container; and joining the upper container and the lower container And a step of performing.

  Patent Document 3 listed below is a storage container transport cart for carrying a radioactive waste storage container into a predetermined area having an opening at the top of the main body and storing radioactive waste therein. It is shown that a carriage main body movable along the floor surface and a support member having one end connected to the carriage main body and the other end supporting the side of the storage container.

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

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

  SUMMARY OF THE INVENTION The present invention solves the above-described problems, and an object thereof is to provide a storage container transport cart, a storage container transport method, and a radioactive waste storage container that can be easily carried into a predetermined position. .

  In order to achieve the above object, a transport container cart according to the present invention carries a radioactive waste storage container into a predetermined area having an opening at the top of the main body and capable of storing radioactive waste therein. A storage container transport cart, comprising: a cart body movable along a floor surface; and a moving device that allows the cart body to move.

  Therefore, since the transport carriage is movably provided by the moving device, a large storage container can be easily carried into a predetermined position.

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

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

  In the storage container transport cart according to the present invention, the moving device pushes out the cart main body, and the cart main body is provided with an attachment member capable of connecting an extrusion mechanism in the moving device. And

  Therefore, since the conveying cart is movable by being attached with the pushing mechanism of the moving device, the large storage container can be easily carried into a predetermined position.

  In the storage container transport cart of the present invention, the moving device travels the cart main body, and the cart main body is provided with a guide roller that is rolled by a drive mechanism in the moving device. It is characterized by.

  Accordingly, since the transport carriage is mounted by attaching the drive mechanism of the moving device and the guide roller rolls, the large storage container can be easily carried into a predetermined position.

  In the transport container cart of the storage container according to the present invention, one end is connected to the cart body, and the other end includes a support member capable of supporting the side of the storage container.

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

  In the storage container transport cart according to the present invention, the cart body has a frame on which the storage container can be arranged on the inside by connecting ends of a pair of horizontal beams and a pair of horizontal beams. The support member is connected to the frame body.

  Therefore, by placing the storage container inside the frame and supporting it by the support member, the storage container can be transported with a small gap from the floor surface regardless of the height of the cart body, and the storage container is installed. The storage container can be easily carried in and installed even when the side entrance is small relative to the area to be operated.

  In the storage container transport cart according to the present invention, the support member is connected to a longitudinal intermediate portion of each longitudinal beam and each transverse beam.

  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 support member can be reduced in size and weight.

  In the storage container transport cart according to the present invention, the storage container has a plurality of support pads fixed at equal intervals in a circumferential direction on a side portion of the storage container, and an end portion of the support member passes through the support pad. It is characterized in that it is detachably connected to the side portion.

  Accordingly, by fixing the support pad to the side of the storage container in advance, the storage container can be easily supported by connecting the support member and the support pad.

  In the storage container transport cart according to the present invention, the support pad has a female screw portion into 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 storage container carrying-in method of the present invention carries a radioactive waste storage container having an opening at the top of a main body and capable of storing radioactive waste into a predetermined area. A method for carrying in a storage container, the step of horizontally transferring the upper container from the side entrance along the floor surface and carrying it into the area, and the step of transferring the upper container carried into the area upward And a step of horizontally transferring the lower container along the floor surface from the side entrance portion 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. And 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 inlet and transferred upward, the lower container is carried from the side inlet to the lower side of the upper container, and the upper container is placed on the lower container. By joining the storage container, the storage container can be easily carried in and installed even if the side entrance is small relative 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 the area where the storage container is installed.

  In the storage container carrying-in method of 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 the tip facing downward and transferred together with the lower container, and the floor A positioning hole provided on a surface side so that a tip of the positioning pin can be inserted, and the positioning hole when the lower container is transferred to a predetermined position below the upper container The tip of the positioning pin is inserted into the.

  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 storage container carrying-in method of the present invention, the step of horizontally transferring the lower container from the side entrance and carrying it below the upper container in the area is attached to a transport carriage on which the lower container is mounted. The transporting carriage is horizontally transported by pulling the cable member between the fixed side and the fixed side.

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

  In the storage container carrying-in method according to the present invention, the lower container is mounted on a transport cart, and the transport cart is transported on the floor surface so that it is transported into the area and disposed on the floor surface. After the transport cart is unloaded from the area, the transport cart is lowered by the lifting device and installed on a foundation provided on the floor surface.

  Therefore, it is possible to easily carry out the transport carriage by placing it on an area where the lower container is placed on the transport carriage and raising the lower container by the lifting device.

  In the storage container carrying-in method of the present invention, the lower container is supported on the side surface by the transport carriage, and is carried into the area by the travel of the transport carriage.

  Therefore, by carrying the transport cart to the area where the side surface portion of the lower container is supported, the height of the lower container supported by the transport cart can be kept low, and the transportability of the lower container can be improved. Can do.

  In the storage container carrying-in method of the present invention, the lower container is installed on the foundation, then fixed to the foundation with a plurality of foundation bolts, and then the upper container is placed thereon.

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

  The storage container carrying-in method of the present invention is characterized in that after the upper container and the lower container are joined, a guide rail for the discharge pump is attached so as to continue from the opening to the inside.

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

  In the storage container carrying-in method of the present invention, the upper container has a roof plate having the opening and a plurality of trunk plates having a ring shape, and the lower container has a plurality of trunk plates having a ring shape. And a bottom plate having a dish shape, and a skirt that supports the bottom plate, and the roof plate, the plurality of trunk plates, the bottom plate, and the skirt are carried to the front of the area through a passage from the entrance of the building. Here, the roof plate and the plurality of trunk plates are joined to form the upper container, and the plurality of trunk plates, the bottom plate, and the skirt are joined to constitute the lower container, It carries in to the said area in order of the said upper container and the said lower container.

  Therefore, by constructing the storage container from a plurality of parts such as a roof plate, a trunk plate, a bottom plate, and a skirt, even a narrow passage can be easily transported to the area where it is installed, and the assembly is improved. Can do.

  In the storage container carrying-in method of the present invention, the side entrance to the area is set lower than the total height of the storage container and higher than the heights of the upper container and the lower container. It is characterized by that.

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

  In order to achieve the above object, the radioactive waste storage container of the present invention has an opening in the upper part of a cylindrical main body, the lower part has a dish shape, and can store radioactive waste inside. A radioactive waste storage container, wherein a cylindrical upper container and a lower container are joined together by welding, and the lower container is transferred below the upper container while the upper container is transferred upward. When the upper container and the lower container are joined, the lower container is provided with a positioning pin arranged with the tip facing downward, and is transferred to a predetermined position below the upper container. Further, the tip of the positioning pin is inserted into a positioning hole provided on the floor surface side.

  Therefore, it is carried into a predetermined position in the state of a small upper container and a lower container, and a large storage container can be easily carried into a predetermined position by joining the upper container and the lower container. can do. Moreover, the positioning pin is inserted into the positioning hole, so that 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 radioactive waste storage container according to the present invention includes a roof plate having the opening, a plurality of ring plates, a bottom plate having a dish shape, and a skirt for supporting the bottom plate, The roof plate, the plurality of trunk plates, the bottom plate, and the skirt are combined and joined in this order.

  Therefore, by constituting from a plurality of parts such as a roof plate, a trunk plate, a bottom plate, and a skirt, even a narrow passage can be easily conveyed, and the assembling property can be improved.

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

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

According to the storage container transport cart of the present invention, one end portion of the support member is connected to the cart body movable along the floor surface, and the side portion of the storage container can be supported by the other end portion. 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 carrying in the storage container and the radioactive waste storage container of the present invention, the storage container is divided into upper and lower parts, brought into the area where the upper container is installed and raised, and then the lower container is carried in, 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 relative to the area where the storage container is installed. .

FIG. 1 is a schematic front view showing a storage tank as a radioactive waste storage container according to an embodiment of the present invention. FIG. 2 is a top view of the storage tank of this embodiment. FIG. 3A is a schematic view of a roof plate constituting the storage tank of the present embodiment. FIG. 3-2 is a schematic view of a body plate constituting the storage tank of the present embodiment. FIG. 3-3 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 this embodiment. FIG. 3-5 is a schematic view of a lower skirt constituting the storage tank of the present embodiment. FIG. 4 is a side view showing the first and second steps in the storage tank carry-in method of the present embodiment. FIG. 5 is a front view showing the first and second steps. FIG. 6A is a top view illustrating the first step. FIG. 6B is a top view illustrating the first step. FIG. 6-3 is a schematic diagram illustrating the first step. FIG. 7 is a top view illustrating the second step. FIG. 8 is a side view showing a third step in the storage tank carrying-in method of 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 diagram illustrating the leg portion of the transport carriage and the fourth step. FIG. 12 is a schematic diagram illustrating the lower tank support portion and the fourth step in the transport carriage. FIG. 13 is a side view showing the carrying-out step of the transport carriage in the storage tank carrying-in method of the present embodiment. FIG. 14 is a top view illustrating the lower tank installation process. FIG. 15 is a schematic diagram illustrating an elevating device for a transport cart. FIG. 16 is a side view showing the installation process of the lower tank in the storage tank carrying-in method of the present embodiment. FIG. 17 is a side view showing the fifth and sixth steps in the storage tank carrying-in method of the present embodiment.

  Exemplary embodiments of a storage container transport cart according to the present invention will be described below in detail with reference to the accompanying drawings. In addition, this invention is not limited by this Example, Moreover, when there exists multiple Example, what comprises combining each Example is also included.

  FIG. 1 is a schematic front view showing a storage tank as a radioactive waste storage container according to an 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 diagram of a roof plate constituting the storage tank of this embodiment, and Fig. 3-3 is a bottom plate constituting the storage tank of this 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, and FIG. The side view showing the 1st, 2nd process in the carrying-in method of the storage tank of a present Example, FIG. 5 is the front view showing the 1st, 2nd process, FIG. 6-1 is the top view showing the 1st process, 6-2 is a top view showing the first step, FIG. 6-3 is a schematic view showing the first step, FIG. 7 is a top view showing the second step, 8 is a side view showing the third step in the storage tank loading method 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 showing the third step, FIG. 11 is a schematic diagram showing the legs of the transfer carriage and the fourth step, and FIG. 12 is a schematic view showing the support portion of the lower tank and the fourth step in the transfer carriage, FIG. 13 is a side view showing a transporting cart unloading process in the storage tank loading method of the present embodiment, FIG. 14 is a top view showing a lower tank installing process, and FIG. FIG. 16 is a side view showing the installation process of the lower tank in the storage tank carrying-in method of this embodiment, and FIG. 17 is a side view showing the fifth and sixth steps in the storage tank carrying-in method of this embodiment. is there.

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

  That is, the storage tank 101 is configured by joining a roof plate 111, a plurality of trunk plates 112, 113, a bottom plate 114, and skirts 115, 116 in order from above.

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

  As shown in FIG. 3-2, the trunk plates 112 and 113 are one trunk plate 112 and five trunk plates 113, and the trunk plate 112 and the trunk plate 113 have the same ring shape. In addition, two round rings 122 are temporarily fixed to the inner peripheral surface portion of the body plates 112 and 113 by spot welding, and the round rings 122 prevent deformation during transportation. The perfect circle ring 122 is removed at the time of assembly.

  As shown in FIG. 3C, the bottom plate 114 has a dish shape. In addition, a perfect circle ring 123 is temporarily fixed to the outer peripheral edge portion of the bottom plate 114 by spot welding, and the perfect circle ring 123 prevents deformation during conveyance. The perfect ring 123 is removed at the time of assembly.

  The skirts 115 and 116 are an upper skirt 115 and a lower skirt 116. As shown in FIG. 3-4, the skirt upper part 115 has a ring shape. In addition, the skirt upper portion 115 has two perfect circle rings 124 temporarily fixed to the inner peripheral surface portion thereof by spot welding, and each perfect circle ring 124 prevents deformation during conveyance. The 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 the lower portion of the ring-shaped main body 116a by welding, and reinforcing members 116c are welded at equal intervals in the circumferential direction. It is fixed and configured. Also, the skirt lower portion 116 has a perfect circle ring 125 temporarily fixed to the inner peripheral surface portion by spot welding, and the perfect circle ring 125 prevents deformation during conveyance. The perfect ring 125 is removed at the time of assembly.

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

  That is, as shown in FIG. 1 and FIG. 2, one trunk plate 112 and five trunk plates 113 are joined so as to be continuous vertically, and the roof plate 111 is joined to the upper part thereof, and the position of the opening 111a. The pump carry-in nozzle 131 is fixed to the base. In addition, a resin discharge nozzle 133 is attached to the trunk plate 112 via a resin inlet nozzle 132, and the resin discharge nozzle 133 is supported by a support member 134 that is suspended from the roof plate 111. The body plate 112 is attached with a cleaning water pipe 136 via a cleaning water inlet nozzle 135, and the cleaning 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. Moreover, the vent pedestal 140 is attached to the roof plate 111 so as to open to the outside.

  In addition, the roof plate 111 has a plurality of support members 141 that radiate on the lower surface and are fixed at equal intervals in the circumferential direction. Further, the roof plate 111 has a top angle 143 fixed thereto.

  The skirt upper portion 115 and the skirt lower portion 116 are joined to each other, and the skirt upper portion 115 is joined to the lower end portion of the body plate 113 and the outer peripheral edge portion of the bottom plate 114 is joined. The skirt lower part 116 is provided with a manhole 144. A pair of guide rails 145 are arranged along the axial centers of the roof plate 111, the trunk plates 112 and 113, the bottom plate 114, and the skirts 115 and 116, and are continuous with the opening 111a, and a plurality of support members. 146 is supported by the body plate 113.

  Next, the carrying-in method of the radioactive waste storage tank of a present Example is demonstrated. In the present embodiment, for example, in various plants such as a nuclear power plant and a reprocessing plant, a storage tank installation area is provided in an underground portion of the building. For this reason, after manufacturing a component that divides the storage tank at a factory on another site, it is transported to the building by a truck, etc., and the multiple members are carried from the entrance of the building and pass through a predetermined passage or opening. To the storage tank installation area.

  In this case, the roof plate 111, the plurality of trunk plates 112, 113, the bottom plate 114, the skirts 115, 116, and the like constituting the storage tank 101 are transported to the carry-in area in front of the installation area, and the roof plate 111 and the trunk plate 112 are transported. The upper tank 102 is manufactured by joining the three body plates 113, and the lower tank 103 is manufactured by joining the two body plates 113, the bottom plate 114, and the skirts 115 and 116. And it carries in to an installation area in order of the upper tank 102 and the lower tank 103, and joins both. Actually, the lower tank 103 is manufactured by joining the body plate 113, the bottom plate 114, and the skirts 115, 116 while carrying in the area where the upper tank 102 is installed.

  In this building, as shown in FIGS. 4 to 7, in the installation area A, vertical walls 12, 13, 14 are erected on three sides with respect to the floor surface 11, and a ceiling 15 is formed above. A carry-in entrance (side entry portion) 16 is provided on one side excluding the vertical walls 12, 13, and 14, and an opening 17 is provided in the ceiling 15. In this case, the carry-in port 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 also provided on the carry-in entrance 16 side. A loading area B is provided adjacent to the loading port 16 side in the installation area A.

  The method for carrying in the radioactive waste storage tank according to the present embodiment is a method for carrying the storage tank 101 from the loading area B into the installation area A, and the upper tank 102 is horizontally disposed along the floor surface 11 from the loading port 16. A first step of transferring and carrying into the installation area A, a second step of transferring the upper tank 102 carried into the installation area A upward, and a lower tank 103 horizontally from the carry-in entrance 16 along the floor surface 11 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; It has the 5th process mounted on the tank 103, and the 6th process which joins the upper tank 102 and the lower tank 103. FIG.

  Further, in the third step, the lower tank 103 is mounted on a transport cart, and the transport cart travels on the floor surface 11 so that the lower tank 103 is carried into the installation area A, and is lifted and lowered by the lifting device disposed on the floor surface 11. After being lifted and transported from the installation area A, it is lowered by the lifting device and installed on the foundation. In this case, the side surface of the lower tank 103 is supported by the transport cart, and is carried into the installation area A by the travel of the transport cart.

  In the fourth step, the lower tank 103 is positioned by a 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, the guide rail 145 for the discharge pump is attached so as to continue from the opening 111a.

  Hereinafter, the structure for implement | achieving the carrying-in method of the storage tank of the radioactive waste of a present Example is demonstrated in detail.

  In the installation area A, a foundation 20 for installing the storage tank 101 is laid on the floor 11. A guide rail 21 having a pair of I-shaped cross sections located on both sides of the foundation 20 is fixed to the floor surface 11 from the carry-in area B to the installation area A. As shown in FIGS. 4 to 6-3, the first transport carriage 22 that is a transport carriage carries the upper tank 102 from the carry-in area B into 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 vertical beams 23 orthogonal to the guide rail 21 and having two I-shaped cross sections. It consists of and. Each vertical beam 23 has an upper surface portion connected to an end portion of the horizontal beam 24 and a lower surface portion mounted with a plurality of guide rollers 25 that roll on the guide rail 21. In this case, the vertical beam 23 and the horizontal beam 24 constitute a frame, and the vertical beam 23, the horizontal beam 24, and the guide roller 25 constitute a cart body. Accordingly, the first transport carriage 22 can mount the upper tank 102 on each cross beam 24, and moves from the loading area B to the installation area A along the guide rail 21, so that the upper tank 102 is brought into the carry-in port. 16 can be carried into 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 pulls the bogie main body, and includes a cable member 62 and a pulling mechanism 63. The rope member 62 is hung between the carriage 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 cable member 62 is connected at one end to a support piece 23a as an attachment member provided on the side of the longitudinal beam 23 of the carriage body, and is attached to the wall 12 as a support piece as an attachment member. The other end is connected to 12a. The traction mechanism 63 shortens or extends the length of the rope member 62 and is configured as a so-called lever block, and shortens the length of the rope member 62 by operating the lever. The moving device 61 is provided on both sides of the carriage main body corresponding to each vertical beam 23 of the carriage main body, and the first conveying carriage 22 is installed by operating both simultaneously to shorten the length of each cord member 62. Tow to area A side. In addition, the other end of the rope member 62 is connected to a support piece (not shown) as an attachment member provided on the floor surface 11 on the carry-in area B side. By shortening, the 1st conveyance trolley 22 is pulled to the area B for carrying in.

  Moreover, the 1st conveyance trolley | bogie 22 may be provided so that the movement by the moving apparatus 65 is possible, as shown to FIGS. 6-2. The moving device 65 pushes out the main body of the carriage and has an extrusion mechanism. The push-out mechanism is configured as, for example, a hydraulic actuator, and is disposed between the carriage 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, the mounting member is provided on the side of the transverse beam 24 of the carriage body. The tip of the rod 67 is connected to the support piece 24a as a support, and the hydraulic cylinder 66 is connected to a support piece (not shown) as an attachment member provided on the floor surface 11. The moving device 65 pushes the first transport carriage 22 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 sends the hydraulic oil to the hydraulic cylinder 66 and shortens the rod 67 so that the first transport carriage 22 is pulled back to the loading area B side.

  Moreover, the 1st conveyance trolley | bogie 22 may be provided so that the movement by the moving apparatus 69 is possible, as shown to FIGS. 6-3. The moving device 69 travels the carriage body and has a drive mechanism. The drive mechanism is configured as a rotational drive mechanism such as a motor, for example, and is coupled to the guide roller 25 to roll the guide roller 25. And the moving apparatus 69 moves the 1st conveyance trolley 22 to the installation area A side by rolling the guide roller 25 to one direction with the drive mechanism of the moving apparatus 69. FIG. 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 drive mechanism of the moving device 69.

  In the installation area A, four suspension pieces 28 are attached to the ceiling 15. On the other hand, the upper tank 102 has four suspension pieces 102a fixed to the outer peripheral portion at equal intervals in the circumferential direction in advance. Accordingly, 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), whereby the upper tank 102 is passed through the suspension chain 29. Can be lifted and transferred upward.

  On the other hand, as shown in FIGS. 8 to 12, the second transport cart 31 as a transport cart carries the lower tank 103 from the carry-in area B to the installation area A. The second transport carriage 31 has two I-shaped cross sections orthogonal to the guide rail 21 and vertical beams 32 having two I-shaped cross sections parallel to the guide rail 21 in substantially the same manner as the first transport carriage 22. It consists of two horizontal beams 33 that connect the vertical beams 32. Each vertical beam 32 has an end portion of the horizontal beam 33 connected to the upper surface portion of each end portion, and a plurality of guide rollers 34 that roll on the guide rail 21 are mounted on the lower surface portion. 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 cart body.

  As shown in FIGS. 8 and 10-1, the second transport carriage 31 is provided so as to be movable by a moving device 61. The moving device 61 pulls the bogie main body, and includes a cable member 62 and a pulling mechanism 63. The rope member 62 is hung between the carriage 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 cable member 62 is connected at one end to a support piece 32a as an attachment member provided on the side of the longitudinal beam 32 of the carriage body, and is attached to the wall 12 as a support piece as an attachment member. The other end is connected to 12a. The traction mechanism 63 shortens or extends the length of the rope member 62 and is configured as a so-called lever block, and shortens the length of the rope member 62 by operating the lever. The moving device 61 is provided on both sides of the carriage main body corresponding to each vertical beam 32 of the carriage main body, and the second transport carriage 31 is installed by operating both simultaneously to shorten the length of each cord member 62. Tow to area A side. In addition, the other end of the rope member 62 is connected to a support piece (not shown) as an attachment member provided on the floor surface 11 on the carry-in area B side. By shortening, the 2nd conveyance trolley 31 is pulled to the area B for carrying in.

  Moreover, the 2nd conveyance trolley | bogie 31 may be provided so that the movement by the moving apparatus 65 is possible, as shown to FIGS. 10-2. The moving device 65 pushes out the main body of the carriage and has an extrusion mechanism. The push-out mechanism is configured as, for example, a hydraulic actuator, and is disposed between the carriage 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, the mounting member is provided on the side of the transverse beam 33 of the carriage body. The tip of the rod 67 is connected to the support piece 33 a as a support, and the hydraulic cylinder 66 is connected to a support piece (not shown) as an attachment member provided on the floor surface 11. The moving device 65 pushes the second transport carriage 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 back the second transport carriage 31 to the loading area B side when the hydraulic oil is sent to the hydraulic cylinder 66 and the rod 67 expands and contracts.

  Moreover, the 2nd conveyance trolley | bogie 31 may be provided so that the movement by the moving apparatus 69 is possible, as shown to FIGS. 6-3. The moving device 69 travels the carriage body and has a drive mechanism. The drive mechanism is configured as a rotation drive mechanism such as a motor, for example, and is connected to the guide roller 34 to roll the guide roller 34. And the moving apparatus 69 moves the 2nd conveyance trolley 31 to the installation area A side by rolling the guide roller 34 to one direction with the drive mechanism of the moving apparatus 69. FIG. The moving device 69 moves the second transport carriage 31 to the loading area B side by rolling the guide roller 34 in the other direction by the drive mechanism of the moving device 69.

  Further, the second transport carriage 31 is provided with a first support member 35 capable of supporting the side portion of the lower tank 103 at the middle portion of each longitudinal beam 32 and each transverse beam 33 in the longitudinal direction. The first support member 35 has an I-shaped cross section, and is disposed along a horizontal direction orthogonal to each vertical beam 32 and each horizontal beam 33, and one end portion is bolted to the upper surface of each vertical beam 32 and each horizontal beam 33. It is connected 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 on 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 carriage 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, the other surface is a horizontal surface, and is in close contact with the outer peripheral surface of the lower tank 103. For example, welding (or , 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 is 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 first support members 35 and the number of first support pads 36 are the same. Although not shown, each first support member 35 has a plurality of mounting through holes formed in a support plate 35a integrally formed at the end, while each first support pad 36 has a mounting plate. A plurality of female screw portions are formed.

  Therefore, the second transport carriage 31 has the lower tank 103 disposed inside the frame body, and the support plates 35a of the first support members 35 are placed in the lower tanks 103 at positions raised from the floor 11 by a predetermined amount. The lower tank 103 can be detachably supported by being in close contact with the first support pad 36 and attaching the first support members 35 to the first support pads 36 with a plurality of fixing bolts 37. And this 2nd conveyance trolley 31 can support the lower tank 103 by each vertical beam 32 and each horizontal beam 33, and it moves to the installation area A from the carrying-in area B along the guide rail 21, The lower tank 103 can be carried into the installation area A from the carry-in port 16.

  Moreover, as shown in FIG.11 and FIG.12, the lower tank 103 is provided with the insertion hole 116bb in the flange part 116b. In the insertion hole 116bb, the positioning pin 71 is inserted with the tip directed downward. On the other hand, the positioning hole 20b is formed in the foundation 20. The positioning hole portion 20 b is inserted with the tip of the positioning pin 71 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 a foundation bolt. That is, when the lower tank 103 is transferred to a predetermined position below the upper tank 102, the positioning hole portion 20b is formed at the base of the position vertically below the insertion hole 116bb provided in the flange portion 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 through the insertion hole 116bb is inserted into the positioning hole portion 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 hole 116bb, the positioning pin 71, and the positioning hole portion 20b constitute a positioning device. As shown in FIG. 15, the foundation bolt 51 is used as the positioning pin 71, the attachment bolt 116ba through which the foundation bolt 51 penetrates the flange portion 116b of the lower tank 103 is used as the insertion hole 116bb, and the foundation bolt 51 is screwed together. The positioning device may be configured with the female screw portion 20a of the foundation 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 the circumferential direction on the side, and the second support pads 41 are provided with second support members. 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, the other surface is a horizontal surface, and is in close contact with the outer peripheral surface of the lower tank 103. Or, it is fixed by bolts). The second support pad 41 is fixed at a position that is substantially the same height as the first support pad 36 fixed to the vertical beam 32 described above and is shifted by about 30 degrees in the circumferential direction of the lower tank 103. Yes. Each second support member 42 has an I-shaped cross section, is disposed 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. Thus, the plurality of fixing bolts 43 pass through the support plate 42 a and are screwed into the second support pads 41, so that the second support members 42 are attached to the lower tank 103 via the second support pads 41. .

  The jack 44 as the lifting device has a piston 44 a that can be lifted and lowered by electric power (or hydraulic pressure), and is disposed on the floor surface 11 corresponding to the other end of each second support member 42. Therefore, each second support member 42 is fixed at a predetermined position with respect to the lower tank 103 carried into the installation area A from the carry-in area B by the second transport carriage 31, and the second support members 42 The lower tank 103 can be raised through the second support members 42 by disposing the jacks 44 below and operating the jacks 44 to advance the pistons 44a. In addition, after raising the lower tank 103 with the jack 44, the load of the lower tank 103 is received by inserting the several liner plate 45 between the foundation 20 and the flange part 116b of the lower tank 103. FIG.

  Then, in a state where the lower tank 103 is supported on the foundation 20 by the liner plate 45, the connection between the first support members 35 and the first support pads 36 is released by loosening the fixing bolts 37. 2 The transport cart 31 can be carried out from the installation area A to the carrying-in area B. Then, after raising the lower tank 103 using the jack 44, the liner plate 45 is removed, and the lower tank 103 is lowered via each second support member 42 by operating the jack 44 and retracting each piston. And can be placed on the foundation 20.

  Here, the carrying-in method of the radioactive waste storage tank of a present Example is demonstrated in detail.

  As shown in FIG. 1, the roof plate 111, the plurality of trunk plates 112, 113, the bottom plate 114, the skirts 115, 116, and the like constituting the storage tank 101 are manufactured in a factory and conveyed to a building by a truck, As shown in FIGS. 4 to 7, the building is transported from the entrance of the building to a loading area B before the installation area A through a predetermined passage. And in this carrying-in area B, the upper tank 102 is manufactured by joining the roof board 111, the trunk board 112, and the three trunk boards 113. FIG.

  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. And it moves to the installation area A from the carrying-in area B by advancing the 1st conveyance trolley 22 with the moving apparatus 61 (65,69). 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 transfer carriage 22, so that the work for carrying in the upper tank 102 is performed. Becomes easy.

  When the upper tank 102 is carried into the installation area A together with the first transport carriage 22, the end of each suspension chain 29 suspended from each suspension piece 28 provided on the ceiling 15 is connected to each suspension piece 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 FIGS. 8 to 12, the two body plates 113, the bottom plate 114, and the skirts 115 and 116 are joined in the carrying-in area B during the operation of transferring the upper tank 102 upward. 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 carry-in area B, the second transport carriage 31 is prepared in the carry-in area B, and the lower tank 103 is placed inside the frame. Is fixed to each first support pad 36 of the lower tank 103 at a position where it is raised by a predetermined amount from the floor surface 11, so that the second transport cart 31 is attached to the first support pad 36 of the lower tank 103. The lower tank 103 is supported. Then, the supported lower tank 103 is installed from the carry-in entrance 16 by moving the second transport carriage 31 from the carry-in area B to the installation area A along the guide rail 21 by the moving device 61 (65, 69). Can be brought into Zone A. Here, the lower tank 103 is positioned below the upper tank 102, and a predetermined gap is secured between them.

  When the lower tank 103 is carried into the installation area A together with the second transport carriage 31, as shown in FIGS. 11 and 12, the position determination is made so as to be inserted into the insertion hole 116bb provided in the flange portion 116b of the lower tank 103. 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 bolt, the positioning pin 71 is inserted into the positioning hole 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 transfer carriage 31, the lower tank 103 is supported by the second transfer carriage 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 116 b of the lower tank 103.

  Then, the first support pads 36 are removed from the first support members 35 of the lower tank 103 by loosening the fixing bolts 37 in a state where the lower tank 103 is supported on the foundation 20 by the liner plate 45. Subsequently, after removing only the lateral beam 33 on the wall 12 side from the second transport carriage 31, the second transport carriage 31 is moved to be carried out from the installation area A to the loading area B.

  In the carry-in area B, when the lower tank 103 is supported by the second transport carriage 31, the lower tank 103 is raised. In this case, the lower tank 103 may be raised using the jack 44, and at this time, the second support member 42 is fixed to each second support pad 41 of the lower tank 103, and each jack 44 The lower tank 103 may be raised through the second support members 42. Moreover, you may prepare a suspension chain, a lifting equipment, etc. separately.

  Further, 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 and the second transport carriage 31 is carried out. To do. In this case, the jack 44 is actuated a little to support the lower tank 103 via the second support member 42 at the position where the second transport carriage 31 supports the lower tank 103. The lower tank 103 is supported, and the connection between the lower tank 103 and the first support member 35 may be released.

  When the second transport carriage 31 is unloaded from the installation area A to the loading area B, as shown in FIG. 16, the lower tank 103 is then lifted using the jack 44, and then the liner plate 45 is removed. Then, the lower tank 103 is lowered via the second support members 42 and placed on the foundation 20 by operating the jacks 44 to retract the pistons 44a. Here, positioning of the lower tank 103 in the horizontal direction is performed on the foundation 20, and as shown in FIG. 15, the foundation bolt 51 is inserted into the plurality of mounting holes 116 ba provided in the flange portion 116 b of the lower tank 103 from above. The lower tank 103 is fixed on the foundation 20 by passing through and screwing into a female screw portion 20a configured by arranging a nut on the foundation 20 in advance.

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

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

  Thus, in the storage container transport cart of this embodiment, the radioactive waste storage tank 101 having the opening 111a at the top of the main body and storing radioactive waste therein is carried into the installation area A. The first and second transport carts 22 and 31 that are movable carts for the storage container and that are movable along the floor surface 11, and a moving device that enables the first transport cart 22 and the second transport cart 31 to move. 61, 65, 69.

  Therefore, since the 1st conveyance trolley 22 and the 2nd conveyance trolley 31 are provided so that a movement is possible by the moving apparatus 61,65,69, the large sized storage tank 101 can be easily carried in to a predetermined position.

  In the storage container transport cart of this 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 Supporting pieces 23 a and 32 a capable of connecting the cable member 62 for towing in the moving device 61 are provided. Accordingly, the first transport cart 22 and the second transport cart 31 can be moved by the cable member 62 of the moving device 61 being attached, so that the large storage tank 101 can be easily carried into a predetermined position.

  In the storage container transport cart of this 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. An attachment member capable of connecting the extrusion mechanism in the device 65 is provided. Accordingly, since the first transfer carriage 22 and the second transfer carriage 31 are movable with the push-out mechanism of the moving device 65 attached, 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 driving mechanism in the moving device 69 are provided. Accordingly, the first transport carriage 22 and the second transport carriage 31 can be moved when the drive mechanism of the moving device 69 is attached and the guide rollers 25 and 34 are rolled. Can be easily brought into position.

  In the storage container transport cart of the present embodiment, the first support member is connected to the second transport cart 31 at one end and can support the side of the lower tank 103 constituting the storage tank 101 at the other end. 35 is provided. Therefore, since the second transport carriage 31 supports the side portion of the lower tank 103 via the plurality of first support members 35, the lower tank 103 can be transported in a low posture, and a large storage tank 101 can be easily installed at a predetermined position.

  In addition, in the storage container transport cart of this embodiment, the ends of the pair of horizontal beams 32 and the beams 33 are connected to form a frame on which the lower tank 103 can be arranged. A second transport cart 31 is formed, and a first support member 35 is connected to the vertical beam 32 and the horizontal beam 33. Therefore, by disposing the lower tank 103 inside the frame and supporting it by the first support member 35, the lower tank 103 is transported from the floor 11 with a minute gap regardless of the height of the second transport carriage 31. Even when the carry-in port 16 is small with respect to the installation area A, the lower tank 103 can be easily carried in and installed.

  In the storage container transport cart of this embodiment, the first support members 35 are connected to the longitudinal intermediate portions of the vertical beams 32 and the horizontal beams 33, respectively. Therefore, the length of the first support member 35 can be shortened by reducing the distance between each vertical beam 32 and each horizontal beam 33 and the lower tank 103, and the load acting on the first support member 35 can be reduced. The first support member 35 can be reduced in size and weight.

  In the storage container transport cart 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 connected to the first support member 35. 1 is detachably connected to the side of the lower tank 103 via a support pad 36. Therefore, by fixing the first support pad 36 to the side of the lower tank 103 in advance, the first support member 35 and the first support pad 36 are connected to support the lower tank 103 easily. Can do.

  Further, the storage container transport cart of the present embodiment is provided with a female screw portion into which a fixing bolt 37 for fixing the first support member 35 is screwed to the first support pad 36. Therefore, it is possible to simplify the connection work between the first support member 35 and the first support pad 36.

  Moreover, in the carrying-in method of the storage container of a present Example, the storage tank 101 of the radioactive waste which has the opening part 111a in the upper part of a main body and can store radioactive waste inside is carried in to the installation area A. The storage container loading method includes a first step of horizontally transferring the upper tank 102 from the carry-in entrance 16 along the floor surface 11 and carrying it into the installation area A, and an upper tank 102 carried into the installation area A. A second step of transferring upward, a third step of transferring the lower tank 103 horizontally from the carry-in entrance 16 along the floor 11 and carrying it below the upper tank 102 in the installation area A, and the lower tank 103 as the upper tank 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 together 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 from the carry-in port 16 below the upper tank 102, and the upper tank 102 is placed on the lower tank 103. Even when the carry-in port 16 is small with respect to the installation area A where the storage tank 101 is installed, the storage tank 101 can be easily carried in and installed by mounting and joining the two. 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 storage container loading method of the present embodiment, the step of positioning the lower tank 103 at a predetermined position below the upper tank 102 is a positioning pin that is disposed with the tip facing 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, 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. Accordingly, 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 is installed at a predetermined position in the installation area A. Can do.

  Further, in the storage container loading method of the present embodiment, the step of horizontally transferring the lower tank 103 from the side entrance portion along the floor surface 11 and loading it below the upper tank 102 in the installation area A is performed by the lower tank 103. The second transport carriage 31 is horizontally transferred along the floor surface 11 by pulling the cable member 62 attached to the second transport carriage 31 on which the stool is mounted between the fixed member and the cable member 62. Therefore, by providing the second transport carriage 31 so as to be movable, the large storage tank 101 can be easily carried into a predetermined position.

  Moreover, in the storage container carrying-in method of the present embodiment, the lower tank 103 is mounted on the second transport carriage 31 and travels along the guide rail 21 so as to be carried into the installation area A and disposed on the floor surface 11. After being lifted by the jack 44 and unloading the second transport carriage 31 from the installation area A, it is lowered by the jack 44 and installed on the foundation 20. Therefore, the second transfer carriage 31 can be easily carried out by placing the lower tank 103 on the second transfer carriage 31 and carrying the lower tank 103 into the installation area A and raising the lower tank 103 by the jack 44.

  Further, in the storage container carrying-in method of the present embodiment, the side surface portion of the lower tank 103 is supported by the second transport carriage 31 and is carried into the installation area A by the travel of the second transport carriage 31. Accordingly, the second transport cart 31 supports the side surface of the lower tank 103 and carries it into the installation area A, so that the height of the lower tank 103 supported by the second transport cart 31 can be kept low. The transportability of the tank 103 can be improved.

  In the storage container loading method of the present embodiment, the lower tank 103 is installed on the foundation 20 and then 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. doing. Accordingly, 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 by the mounting work of the upper tank 102. The position shift of the lower tank 103 can be prevented.

  In the storage container carrying-in method of the present embodiment, the upper tank 102 and the lower tank 103 are joined, and then attached to the discharge pump guide rail 145 so as to continue from the opening 111a. Therefore, by attaching the guide rail 145 after the assembly of the main body, it is possible to improve the assembling performance without dividing the guide rail 145.

  Moreover, in the storage container carrying-in method of the present embodiment, the upper tank 102 is constituted by a roof plate 111 and a plurality of trunk plates 112 and 113, and the lower tank 103 is constituted by a plurality of trunk plates 113, a bottom plate 114, and skirts 115 and 116. The roof plate 111, the plurality of trunk plates 112, 113, the bottom plate 114, and the skirts 115, 116 are carried to the loading area B through the passage from the entrance of the building. Here, the roof plate 111 and the plurality of trunk plates 112, 113 are joined to form the upper tank 102, and a plurality of body plates 113, a bottom plate 114, and skirts 115, 116 are joined to constitute the lower tank 103, and the upper tank 102 and the lower tank 103 are arranged in this order. Carrying into installation area A. Therefore, the storage tank 101 is composed of a plurality of parts including the roof plate 111, the trunk plates 112 and 113, the bottom plate 114, and the skirts 115 and 116, so that the storage tank 101 can be easily transported even in a narrow passage. Can be improved.

  Moreover, in the carrying-in method of the storage container of the present embodiment, the carry-in port 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), In addition, the height of each of the upper tank 102 and the lower tank 103 is set higher. Therefore, even when the height of the carry-in port 16 with respect to the installation area A where the storage tank 101 is installed is defined, the storage tank 101 can be easily carried into the installation area A and installed.

Further, in the radioactive waste storage container of the present embodiment, the cylindrical body has an opening 111a in the upper part, the lower part has a dish shape, and the radioactive waste can be stored therein. A waste storage tank 101 is formed by joining a cylindrical upper tank 102 and a lower tank 103 by welding. Furthermore, the radioactive waste storage container of this example is
The lower tank 103 is transferred to the lower side of the upper tank 102 with the upper tank 102 transferred upward, and the upper tank 102 and the lower tank 103 are joined. The lower tank 103 is arranged with the tip directed downward. When the positioning pin 71 is provided and 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.

  Accordingly, the storage tank 101 is formed by bringing the tank into the installation area A in the state of the small upper tank 102 and the lower tank 103, and the upper tank 102 and the lower tank 103 are joined to form a large storage tank. 101 can be carried in easily. In addition, 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 is installed at a predetermined position in the installation area A. Can do.

  Further, in the radioactive waste storage container according to the present embodiment, the roof plate 111 having the opening 111a, the plurality of ring-shaped trunk plates 112 and 113, the bottom plate 114 having a dish shape, and the bottom plate 114 are supported. The storage tank 101 is configured by combining and joining the skirts 115 and 116 to be sequentially combined. Therefore, by comprising a plurality of parts including the roof plate 111, the trunk plates 112 and 113, the bottom plate 114, and the skirts 115 and 116, even a narrow passage can be easily transported and the assemblability can be improved. Can do. In addition, each part is formed in a ring shape and transported so as not to be deformed, thereby facilitating assembly work in the carry-in area B, and can be easily carried into the installation area A and joined in a short period of time.

  Further, in the radioactive waste storage container of the present embodiment, the roof plate 111, the plurality of trunk plates 112, 113, the bottom plate 114, and the skirts 115, 116 are joined to each other so as to continue from the opening 111a. A guide rail 145 for the discharge pump is mounted. Therefore, by attaching the guide rail 145 after the assembly of the main body, it is possible to improve the assembling performance 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 trunk plates 112 and 113, the bottom plate 114, and the skirts 115 and 116. Is not limited to the examples. In addition, the storage tank 101 is an upper tank 102 and a lower tank 103, and is sequentially carried into the installation area A. However, the number of divisions at this time is not limited to two, and an upper tank, a middle tank, a lower tank, etc. It may be divided into three or four or more.

  In addition, the Example mentioned above demonstrated carrying in of the storage tank 101 to the installation area A. FIG. In addition, when the storage tank 101 is replaced or the plant is dismantled, the storage tank 101 is carried out from the installation area A to the carrying-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. And the 1st conveyance trolley 22 and the 2nd conveyance trolley 31 are transferred to the area B for carrying in from the installation area A by the moving apparatus 61 (65,69).

11 Floor 16 Carriage entrance (side entrance)
20 foundation 20b positioning hole 21 guide rail 22 1st conveyance cart (conveyance cart)
29 Suspension chain 31 2nd transport cart (transport cart)
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 plate 112,113 Body plate 114 Bottom plate 115,116 Skirt A Installation area B Carry-in area

Claims (21)

A storage container transport cart for carrying a radioactive waste storage container into an area having an opening at the top of the main body and capable of storing radioactive waste therein,
A cart body movable along the floor,
A moving device that makes the bogie main body movable;
A transport cart for a storage container.   The said moving apparatus pulls the said trolley | bogie main body, The said trolley | bogie main body is provided with the attachment member which can connect the cable member for the traction | pulling in the said moving apparatus. The storage container transport cart as described.   The storage container according to claim 1, wherein the moving device pushes out the cart main body, and the cart main body is provided with an attachment member capable of connecting an extrusion mechanism in the moving device. Transport cart.   The said moving apparatus is what makes the said trolley | bogie main body drive | work, The said trolley | bogie main body is provided with the guide roller rolled by the drive mechanism in the said moving apparatus. Storage container transport cart.   5. The storage container transport according to claim 1, further comprising a support member having one end connected to the cart body and the other end supporting a side of the storage container. Trolley.   The cart body has a frame in which the storage container can be arranged inside by connecting ends of a pair of horizontal beams and a pair of horizontal beams, and the support member is connected to the frame. 6. The storage container transport cart according to claim 5, wherein:   The said support member is each connected with the intermediate part of the longitudinal direction in each said vertical beam and each said horizontal beam, respectively, The conveyance cart of the storage container of Claim 6 characterized by the above-mentioned.   A plurality of support pads fixed at equal intervals in a circumferential direction on a side of the storage container, and an end of the support member is detachably connected to the side of the storage container via the support pad; The transport cart of the storage container according to claim 6 or 7.   The said support pad has the internal thread part with which the fixing volt | bolt for fixing the said support member is screwed together, The conveyance cart of the storage container of Claim 8 characterized by the above-mentioned. A method for carrying in a storage container for carrying in a predetermined area a radioactive waste storage container having an opening at the top of a main body and capable of storing radioactive waste therein,
A step of horizontally transferring the upper container from the side entrance along the floor surface and carrying it into the area;
Transferring the upper container carried into the area upward;
A step of horizontally transferring a lower container from the side entrance portion along the floor surface 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 carrying in a storage container, comprising:   The step of positioning the lower container at a predetermined position below the upper container includes a positioning pin that is disposed with the tip facing downward and transferred together with the lower container, and a positioning pin that is provided on the floor surface side. And a positioning hole provided so that the tip of the positioning pin can be inserted, and 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 hole. The method for carrying in the storage container according to claim 10.   The step of horizontally transporting the lower container from the side entrance and carrying it below the upper container in the area includes a cable member attached to a transport carriage on which the lower container is mounted between the fixed side and the cable member. The storage container carrying-in method according to claim 10 or 11, wherein the transport carriage is horizontally transferred by being stretched and pulled.   The lower container is mounted on a transport cart, and the transport cart travels on the floor surface, is carried into the area, and is lifted by a lifting device disposed on the floor surface. 13. The storage container carrying-in method according to any one of claims 10 to 12, wherein the storage container is lowered by the lifting device and installed on a foundation provided on the floor surface after being carried out of the container.   14. The storage container carrying-in method according to claim 13, wherein the lower container is supported by the carrying carriage and is carried into the area by traveling of the carrying carriage.   The lower container is fixed to the foundation by a plurality of foundation bolts after being installed on the foundation, and then the upper container is placed on the foundation. The storage container delivery method described.   The guide rail for the discharge pump is mounted so as to be continuous from the opening to the inside after the upper container and the lower container are joined to each other. The storage container delivery method described.   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 dish-shaped bottom plate, A skirt for supporting the bottom plate, and carrying the roof plate, the plurality of trunk plates, the bottom plate, and the skirt through the passage from the entrance of the building to the front of the area, wherein the roof plate and the A plurality of body plates are joined to form the upper container, the plurality of body plates, the bottom plate, and the skirt are joined to form the lower container, and the upper container and the lower container are arranged in this order. The storage container carrying-in method according to any one of claims 10 to 16, wherein the carrying-in is carried into an area.   18. The side entrance to the area is set lower than the total height of the storage container and higher than the heights of the upper container and the lower container. The storage container carrying-in method according to any one of the above. It has a cylindrical shape and has an opening in the upper part of the body, the lower part has a dish shape, and is a radioactive waste storage container capable of storing radioactive waste inside,
A cylindrical upper container and a lower container are joined together by welding, and the upper container and the lower container are moved by moving the lower container below the upper container in a state where the upper container is moved upward. Is to be joined
The lower container is provided with a positioning pin disposed with its tip facing downward, and when the lower container is transferred to a predetermined position below the upper container, the positioning hole is provided in a positioning hole provided on the floor surface side. A radioactive waste storage container in which a tip of a fixing pin is inserted.   The roof plate having the opening, a plurality of ring-shaped trunk plates, a bottom plate having a dish shape, and a skirt that supports the bottom plate, and the roof plate and the plurality of trunk plates from above The radioactive waste storage container according to claim 19, wherein the bottom plate and the skirt are combined and joined in this order.   21. A guide rail for a discharge pump is attached to the roof plate, the plurality of trunk plates, the bottom plate, and the skirt so as to be continuous from the opening to the inside. The radioactive waste storage container described in 1.

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