Radionuclide sealing and solidifying tank

Abstract

The utility model discloses a radionuclide sealing and solidifying tank which comprises a tank body, fixing seats are arranged on the left side and the right side of the upper end of the tank body respectively, the rear ends of the two fixing seats are both fixedly connected with the front end of a connecting seat, and the radionuclide sealing and solidifying tank further comprises a sealing mechanism. The sealing mechanism comprises fixing plates, adjusting seats and adjusting grooves, the fixing plates are slidably connected into sliding grooves formed in the middles of the opposite inner side faces of the two fixing seats respectively, the adjusting seats are arranged at the lower ends of the fixing seats respectively, the adjusting grooves are formed in the lower sides of the rear ends of the adjusting seats respectively, and the sealing mechanism further comprises a pressing plate and a cover plate. The pressing plate is arranged between the ends, close to the center of the interior of the tank body, of the two fixing plates, the radionuclide sealing and solidifying tank is firm in sealing and convenient and fast to operate, a traditional sealing and fixing mode through bolt connection is replaced, and the problem that the sealing effect is reduced due to the fact that a sealing gasket is uneven in stress is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of storage equipment, specifically to a radionuclide storage and solidification tank. BACKGROUND

[0002] The radionuclide storage and solidification tank is a container specially used for storing and solidifying radionuclides, which fixes radionuclides in the interior of the tank body through the cooperation of solidification medium and radionuclide adsorption material, and then places the radionuclide storage and solidification tank in a deep geological disposal facility, and then fills the gap around the radionuclide storage and solidification tank with deep geological disposal modified clay buffer backfill material. The deep geological disposal facility is a facility for permanently disposing of radioactive waste. This facility uses the natural barrier and artificial barrier of geological layers to ensure that radionuclides are isolated from the biosphere for a long period of time. In the prior art, the patent with the authorized publication number CN 105047241 B discloses a container for transporting radioactive substances, which includes a sealed tank for sealing radioactive substances, and a containment protection body for fixedly containing the sealed tank during transportation. The tank wall, tank cover and tank bottom of the sealed tank are all hollow structures and are uniformly filled with radiation protection materials. Although this equipment can connect the tank body and the tank cover through bolts to realize sealing when in use, the operator needs to install multiple bolts with tools to ensure the sealing effect of the tank cover in actual operation. If the operation is not proper, the fastening force of some bolts may be insufficient, while the fastening force of other bolts may be too large, which will cause uneven stress on the sealing gasket and finally affect the sealing effect. Therefore, we propose a radionuclide storage and solidification tank. UTILITY MODEL CONTENTS

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a radionuclide storage and solidification tank, which is firm and easy to operate. Only one adjusting wheel needs to be rotated to realize sealing, replacing the traditional sealing and fixing method through bolt connection. The problem of reduced sealing effect due to uneven stress on the sealing gasket is solved, and the problems in the background art can be effectively solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a radionuclide storage and solidification tank, comprising a tank body, two fixed seats are arranged on the left and right sides of the upper end of the tank body, the rear ends of the two fixed seats are fixedly connected with the front end of a connecting seat, and further comprising a sealing mechanism.

[0005] The sealing mechanism comprises a fixed plate, an adjusting seat and an adjusting groove, the fixed plate is slidably connected in the sliding groove which is opened in the middle of the opposite inner sides of the two fixed seats, the lower end of the fixed seat is provided with the adjusting seat, the lower side of the rear end of the adjusting seat is provided with the adjusting groove, the sealing is firm and the operation is also convenient, only one adjusting wheel needs to be rotated to realize the sealing work, the traditional sealing fixing mode through the bolt body is replaced, and the problem of uneven stress of the sealing gasket and reduced sealing effect is solved.

[0006] Further, the sealing mechanism further comprises a pressing plate and a cover plate, the pressing plate is arranged between the one end of the two fixed plates close to the inner center of the tank body, the lower end of the pressing plate is placed with the cover plate, the lower end of the pressing plate is in contact with the upper end of the cover plate, and the tank body can be sealed.

[0007] Further, the sealing mechanism further comprises a sealing gasket, the sealing gasket is arranged at the lower end of the cover plate, and the lower end of the sealing gasket is in contact with the upper end of the tank body, so that the sealing box between the tank body and the cover plate is improved.

[0008] Further, the sealing mechanism further comprises a connecting plate and a trapezoidal block, the connecting plate is slidably connected with the inner wall of the connecting seat, the left and right sides of the front end of the connecting plate are respectively provided with the trapezoidal block, and the inclined surfaces of the lower ends of the trapezoidal blocks are respectively in contact with the bottom walls of the longitudinally adjacent adjusting grooves, so that the adjusting seat can be moved through the adjusting groove.

[0009] Further, the connecting seat is rotatably connected with a screw rod, the connecting plate is threadedly connected to the middle part of the outer arc surface of the screw rod through the threaded hole arranged in the middle part of the front end of the connecting plate, and the rear end of the screw rod is provided with an adjusting wheel, so that the trapezoidal block can be moved through the connecting plate.

[0010] Further, the inner part of the fixed seat is provided with a guide slide column, the guide slide column is located on the side away from the inner center of the tank body and is slidably connected with the sliding hole arranged in the lower end of the vertically adjacent fixed plate, the upper end of the fixed plate and the top wall of the fixed seat are respectively provided with a spring, the spring is sleeved on the outer part of the upper side of the guide slide column, and the tension generated by the contraction of the spring can drive the pressing plate to move and reset through the fixed plate.

[0011] Further, the lower side of the cavity in the tank body is provided with a protective layer, so that the shielding effect of the tank body is improved.

[0012] Compared with the prior art, the radioactive nuclide storage and solidification tank has the following advantages:

[0013] Further improve the sealing between the tank and the cover plate, sealing firm and convenient operation, only need to rotate an adjusting wheel can realize sealing work, instead of the traditional way through the bolt connection to seal fixed, solve the problem of uneven stress on the sealing gasket and reduce the sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic diagram of the utility model;

[0015] Figure 2 It is a structure schematic diagram of the utility model upper side section;

[0016] Figure 3 It is a structure schematic diagram of the utility model front side section;

[0017] Figure 4 It is a structure schematic diagram of the utility model right side section;

[0018] Figure 5 It is a structure schematic diagram of the utility model A place amplification.

[0019] In the drawing: 1 tank, 2 fixed seat, 3 connecting seat, 4 sealing mechanism, 41 fixed plate, 42 pressure plate, 43 adjusting seat, 44 adjusting groove, 45 connecting plate, 46 trapezoidal block, 47 cover plate, 48 sealing gasket, 5 screw rod, 6 adjusting wheel, 7 guide slide column, 8 spring, 9 protective layer. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1-5 The embodiment provides a technical scheme: a radionuclide storage and solidification tank, comprising a tank body 1, two fixed seats 2 are arranged on the left side and the right side of the upper end of the tank body 1, the rear end of the two fixed seats 2 is fixedly connected with the front end of a connecting seat 3, further comprising a sealing mechanism 4;

[0022] The sealing mechanism 4 comprises a fixed plate 41, an adjusting seat 43 and an adjusting groove 44, the fixed plate 41 is slidably connected in the sliding groove opened in the middle of the opposite inner side of the two fixed seats 2 respectively, the lower end of the fixed seat 2 is provided with the adjusting seat 43 respectively, the lower side of the rear end of the adjusting seat 43 is provided with the adjusting groove 44 respectively, the sealing mechanism 4 further comprises a pressing plate 42 and a cover plate 47, the pressing plate 42 is arranged between the one end of the two fixed plates 41 close to the inner center of the tank body 1, the lower end of the pressing plate 42 is placed with the cover plate 47, the lower end of the pressing plate 42 is in contact with the upper end of the cover plate 47, the sealing mechanism 4 further comprises a sealing gasket 48, the sealing gasket 48 is arranged at the lower end of the cover plate 47, the lower end of the sealing gasket 48 is in contact with the upper end of the tank body 1, the sealing mechanism 4 further comprises a connecting plate 45 and a trapezoidal block 46, the connecting plate 45 is slidably connected with the inner wall of the connecting seat 3, the left and right sides of the front end of the connecting plate 45 are respectively provided with the trapezoidal block 46, the inclined surfaces of the lower ends of the trapezoidal blocks 46 are respectively in contact with the bottom walls of the longitudinally adjacent adjusting grooves 44, the sealing gasket 48 is made of fluorine rubber, the fluorine rubber is resistant to high temperature and chemical corrosion, and is suitable for high radiation and high temperature environment, thereby further improving the sealing property between the tank body 1 and the cover plate 47, the operation is also relatively convenient while the sealing is firm, the traditional sealing and fixing mode through the bolt connection is replaced, and the problem that the sealing effect is reduced due to uneven force of the sealing gasket 48 is solved.

[0023] Wherein: the inside of the connecting seat 3 is rotatably connected with a screw rod 5, the connecting plate 45 is threadedly connected to the middle part of the outer arc surface of the screw rod 5 through the threaded hole arranged in the middle part of the front end thereof, the rear end of the screw rod 5 is provided with an adjusting rotating wheel 6, the operator rotates the adjusting rotating wheel 6, the adjusting rotating wheel 6 drives the screw rod 5 to rotate, and the screw rod 5 drives the connecting plate 45 to move leftwards through the threaded connection in the process of rotating.

[0024] Wherein: the inside of the fixed seat 2 is respectively provided with a guide sliding column 7, the guide sliding column 7 is respectively located on the side of the adjusting seat 43 away from the inner center of the tank body 1, the guide sliding column 7 is slidably connected with the sliding hole opened in the lower end of the vertically adjacent fixed plate 41, the spring 8 is arranged between the upper end of the fixed plate 41 and the top wall of the fixed seat 2 respectively, the spring 8 is sleeved on the outside of the upper side of the guide sliding column 7, and the tension generated by the contraction of the spring 8 can drive the pressing plate 42 to move and reset through the fixed plate 41.

[0025] Wherein: the lower side of the cavity in the inside of the tank body 1 is provided with a protective layer 9, the protective layer 9 is made of barite concrete, the barite concrete has high density and better radiation shielding performance.

[0026] The working principle of the radionuclide sealing and solidifying tank is as follows: in the process of using the radionuclide sealing and solidifying tank, first, the radionuclide is put into the inside of the tank body 1, and then the radionuclide is wrapped by the radionuclide adsorption material, so that the radionuclide is further fixed by the radionuclide adsorption material, the stability of the radionuclide in the solidification process is ensured, then the solidification medium (such as cement, asphalt) is filled into the inside of the tank body 1, so that the radionuclide adsorption material and the radionuclide are wrapped therein, after the wrapping is completed, the solidification medium is physically cooled and solidified by the external cooling equipment, a stable solidified body is formed, the radionuclide is prevented from moving or diffusing, after the solidification medium is cooled and solidified, the cover plate 47 is placed at the upper end of the tank body 1, the sealing gasket 48 is aligned with the upper end of the tank body 1, the sealing gasket 48 is made of fluorine rubber, the fluorine rubber is resistant to high temperature and chemical corrosion, and is suitable for high radiation and high temperature environments, then the operator rotates the adjusting rotating wheel 6, the adjusting rotating wheel 6 drives the screw rod 5 to rotate, the screw rod 5 drives the connecting plate 45 to move leftwards through threaded connection in the process of rotating, the connecting plate 45 drives the trapezoidal block 46 to move leftwards, at this moment, the trapezoidal block 46 gives the adjusting seat 43 a downward pulling force through the adjusting groove 44, so that the adjusting seat 73 drives the pressing plate 42 to move downwards through the fixed plate 41, the spring 8 is extended, the pressing plate 42 gives the sealing gasket 48 a downward pressure through the cover plate 47, so that the sealing gasket 48 is tightly fixed with the upper end of the tank body 1, the protective layer 9 is made of barite concrete, the barite concrete has high density and better radiation shielding performance, then the radionuclide sealing and solidifying tank is placed in a deep geological disposal facility, after the placement is completed, the gap around the radionuclide sealing and solidifying tank is filled with deep geological disposal modified clay buffer backfill material, so that a buffer layer is formed around the tank body 1, and the influence of external impact and earthquake activity on the tank body 1 is reduced.

[0027] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations are made by using the contents of the utility model specification and drawings, or are directly or indirectly used in other related technical fields, and the same is included in the patent protection range of the utility model.

Claims

1. A radionuclide encapsulation and solidification tank, comprising a tank body (1), a fixing seat (2) is arranged on the left side and the right side of the upper end of the tank body (1) respectively, the rear end of the two fixing seats (2) is fixedly connected with the front end of a connecting seat (3), characterized in that: Also include sealing mechanism (4); The sealing mechanism (4) further comprises a pressing plate (42) and a cover plate (47), the pressing plate (42) is arranged between the two fixed plates (41) near the one end of the inner center of the tank body (1), the lower end of the pressing plate (42) is placed with the cover plate (47), the lower end of the pressing plate (42) and the upper end of the cover plate (47) are in contact.

2. The radionuclide immobilization canning pot of claim 1, wherein: The sealing mechanism (4) further comprises a sealing gasket (48), the sealing gasket (48) is arranged at the lower end of the cover plate (47), and the lower end of the sealing gasket (48) is in contact with the upper end of the tank body (1).

3. A radionuclide immobilization can according to claim 2, characterized in that: The sealing mechanism (4) further comprises a connecting plate (45) and a trapezoidal block (46), the connecting plate (45) is slidably connected with the inner wall of the connecting seat (3), the left and right sides of the front end of the connecting plate (45) are respectively provided with trapezoidal blocks (46), and the lower end of the trapezoidal block (46) is in contact with the bottom wall of the longitudinally adjacent adjusting groove (44).

4. The radionuclide immobilization canning pot of claim 1, wherein: The connecting seat (3) is rotatably connected with a screw rod (5), the connecting plate (45) is threadedly connected to the middle part of the outer arc surface of the screw rod (5) through the threaded hole arranged in the middle part of the front end thereof, and the rear end of the screw rod (5) is provided with an adjusting rotating wheel (6).

5. A radionuclide immobilization can according to claim 4, characterized in that: The inner part of the fixed seat (2) is respectively provided with a guide slide column (7), the guide slide column (7) is located at the side away from the inner center of the tank body (1) of the horizontally adjacent adjusting seat (43), the guide slide column (7) is slidably connected with the slide hole arranged at the lower end of the vertically adjacent fixed plate (41), the spring (8) is arranged between the upper end of the fixed plate (41) and the top wall of the fixed seat (2), and the spring (8) is sleeved on the outer part of the upper side of the guide slide column (7).

6. The radionuclide immobilization canning pot of claim 1, wherein: The lower side of the cavity in the tank body (1) is provided with a protective layer (9).

7. The radionuclide immobilization canning pot of claim 1, wherein: ​

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