阅读说明：本技术 一种贮存用转运系统 (transfer system for storage ) 是由 彭思 吴德慧 郭晓方 梁汝囡 降宇波 窦远 宋文博 沈琛林 于 2018-07-18 设计创作，主要内容包括：本发明涉及一种贮存用转运系统,包括位移系统和屏蔽容器；所述屏蔽容器设置于所述位移系统上以随着所述位移系统移动至与贮存井对应的位置；所述屏蔽容器包括容器体和提升机构；所述容器体包括防护外层和设置于所述防护外层内的下端开口的内腔；所述提升机构包括设置在所述内腔中的吊具；所述吊具能够沿着所述内腔运动以将吊装物置于所述贮存井中。本发明的技术方案操作时可以实现全过程的γ屏蔽,切实保证操作人员及外围环境的安全；屏蔽容器分别设置了取放屏蔽塞和放射性废物的腔体,通过大车和小车的运动,两个腔体内的提升机构可分别从贮存井中取放屏蔽塞和放射性废物,而大车和小车的运动可通过控制系统实现全自动化,因此整个贮存过程人员干预少,效率高,操作简单。(The invention relates to a transfer system for storage, which comprises a displacement system and a shielding container; the shielding container is arranged on the displacement system to move to a position corresponding to the storage well along with the displacement system; the shielding container comprises a container body and a lifting mechanism; the container body comprises a protective outer layer and an inner cavity which is arranged in the protective outer layer and has an opening at the lower end; the lifting mechanism comprises a spreader disposed in the inner cavity; the spreader is movable along the inner cavity to place a sling in the storage well. The technical scheme of the invention can realize gamma shielding in the whole process during operation, and practically ensure the safety of operators and the peripheral environment; the shielding container is respectively provided with a cavity for taking and placing the shielding plug and the radioactive waste, the lifting mechanisms in the two cavities can respectively take and place the shielding plug and the radioactive waste from the storage well through the movement of the cart and the trolley, and the movement of the cart and the trolley can be automatically completed through the control system, so that the personnel intervention in the whole storage process is less, the efficiency is high, and the operation is simple.)

1. A transport system for storage, comprising: comprises a displacement system and a shielding container; the shielding container is arranged on the displacement system to move to a position corresponding to the storage well along with the displacement system;

The shielding container comprises a container body and a lifting mechanism; the container body comprises a protective outer layer and an inner cavity which is arranged in the protective outer layer and has an opening at the lower end; the lifting mechanism comprises a spreader disposed in the inner cavity; the spreader is movable along the inner cavity to place a sling in the storage well.

2. A transport system for storage according to claim 1 wherein: the inner chamber is two, is provided with the hoist respectively.

3. A transport system for storage according to claim 2 wherein: the lifting mechanism also comprises a fixed pulley arranged at the top of the container body, and the driving mechanism is a winch; and a steel wire rope of the winch is connected with the lifting appliance after passing through the fixed pulley.

4. A transport system for storage according to claim 1 wherein: the shielding container further comprises a compensation shielding mechanism, and the compensation shielding mechanism comprises a compensation shielding plate and a lifting mechanism; the compensation shielding plate is arranged at the lower part of the shielding container; the lifting mechanism is connected with the compensation shielding plate to drive the compensation shielding plate to be switched between an upper state and a lower state.

5. A transport system for storage according to claim 4 wherein: a gap is left between the compensation shielding plate and the container body.

6. A transport system for storage according to any of claims 1 to 5, wherein: the displacement system comprises a first displacement device and a second displacement device; the shielding container is arranged on the second displacement device; the second displacement device is arranged on the first displacement device to drive the shielding container to move relative to the first displacement device; the first displacement device is arranged on the ground of the storage room to drive the second displacement device to move relative to the ground of the storage room.

7. A transport system for storage according to claim 6 wherein: the moving directions of the first displacement device and the second displacement device are not parallel.

8. a transport system for storage according to claim 7 wherein: the first displacement device and the second displacement device both comprise a bearing body and a guide rail; the carriers move along respective guide rails.

Technical Field

The invention belongs to the field of nuclear industrial engineering, and particularly relates to a transfer system for storage.

Background

In nuclear engineering, solid waste is generally stored in a storage warehouse before final treatment, a plurality of storage wells are arranged on a bottom plate in the storage warehouse, a plurality of waste barrels can be stored in each storage well, a shielding plug is arranged at each storage well mouth, the shielding plug is taken away firstly when the waste barrels are stored, and the shielding plug is reset after the storage operation is completed. In order to ensure the safety of personnel in the process, the gamma shielding continuity of the storage process must be ensured, and the operation time of the personnel auxiliary transportation system should be shortened as much as possible.

In view of the above, the present invention provides a technical solution to comprehensively consider the above problems.

disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a storage and transportation system which can realize the storage and transportation of radioactive wastes under the conditions of continuous shielding and full-automatic operation without the intervention of operators.

The technical scheme of the invention is as follows:

A storage transport system comprising a displacement system and a shielded container; the shielding container is arranged on the displacement system to move to a position corresponding to the storage well along with the displacement system;

the shielding container comprises a container body and a lifting mechanism; the container body comprises a protective outer layer and an inner cavity which is arranged in the protective outer layer and has an opening at the lower end; the lifting mechanism comprises a spreader disposed in the inner cavity; the spreader is movable along the inner cavity to place a sling in the storage well.

Furthermore, in the transfer system for storage, two inner cavities are provided with lifting appliances respectively.

Further, in the transportation system for storage, the lifting mechanism further comprises a fixed pulley arranged at the top of the container body, and the driving mechanism is a winch; and a steel wire rope of the winch is connected with the lifting appliance after passing through the fixed pulley.

Further, in the above transportation system for storage, the shielding container further includes a compensation shielding mechanism, and the compensation shielding mechanism includes a compensation shielding plate and a lifting mechanism; the compensation shielding plate is arranged at the lower part of the shielding container; the lifting mechanism is connected with the compensation shielding plate to drive the compensation shielding plate to be switched between an upper state and a lower state.

further, in the above transfer system for storage, a gap is left between the compensation shielding plate and the container body.

Further, the above-mentioned transport system for storage, the displacement system comprises a first displacement device and a second displacement device; the shielding container is arranged on the second displacement device; the second displacement device is arranged on the first displacement device to drive the shielding container to move relative to the first displacement device; the first displacement device is arranged on the ground of the storage room to drive the second displacement device to move relative to the ground of the storage room.

Further, in the above-described transport system for storage, the moving directions of the first displacement device and the second displacement device are not parallel.

Further, in the above transportation system for storage, the first displacement device and the second displacement device each include a carrier and a guide rail; the carriers move along respective guide rails.

the invention has the following beneficial effects:

the technical scheme of the invention can realize gamma shielding in the whole process during operation, and practically ensure the safety of operators and the peripheral environment; the shielding container is respectively provided with a cavity for taking and placing the shielding plug and the radioactive waste, the lifting mechanisms in the two cavities can respectively take and place the shielding plug and the radioactive waste from the storage well through the movement of the cart and the trolley, and the movement of the cart and the trolley can be automatically completed through the control system, so that the personnel intervention in the whole storage process is less, the efficiency is high, and the operation is simple.

drawings

FIG. 1 is a schematic view of the construction of the storage transportation system of the present invention in operation.

FIG. 2 is a schematic view showing the structure of the transport system for storage according to the present invention.

Fig. 3 is a schematic structural view of the shielding container of the present invention.

Fig. 4 is a schematic cross-sectional view taken along the direction J-J in fig. 3.

Fig. 5 is a schematic cross-sectional view in another direction of fig. 3.

in the above drawings, 1, a shield container; 2. a second displacement device; 3. a track; 4. a first displacement device; 5. a track; 6. a protective outer layer; 7. supporting a lug; 8. an elevator; 15. a fixed pulley; 16. a wire rope; 17. a winch; 18. a carbon steel plate; 19. an inner cavity; 20. a spreader; 21. a compensation shield plate; 22. a double output shaft motor; 23. a coupling; 24. a connecting shaft; 25. a coupling; 26. a wheel assembly; 27. a carrier; 28. a carrier; 29. a motor; 30. a wheel assembly; 31. a reservoir floor; 32. a shield plug; 33. a storage well; 34. a waste bin.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

As shown in fig. 1, the present invention provides a transport system for storage, comprising a displacement system and a shielded container 1; the shielding container 1 is arranged on the displacement system to move with the displacement system to a position corresponding to the storage well 33. A gap is left between the bottom surface of the shielding container 1 and the ground 31 of the storage to prevent the shielding container 1 from interfering with the ground when moving along with the displacement system.

In operation, the displacement system of the present invention moves the shielding container 1 on the ground 31 of the storage facility so that the opening at the lower end of the shielding container 1 is aligned with the storage well 33.

As shown in fig. 3 to 5, the shield container 1 includes a container body and a lifting mechanism; the container body comprises a protective outer layer 6 and an inner cavity 19 which is arranged in the protective outer layer 6 and has an opening at the lower end; the lifting mechanism comprises a spreader 20 disposed in the internal cavity 19; the spreader 20 is movable along the internal cavity 19 to place a sling in the storage well 33. The number of the inner cavities 19 is two, two cavities (including a shielding plug lifting cavity and a radioactive waste lifting cavity) with lower openings are formed by welding a thin-wall stainless steel shell and section steel in a splicing mode, and lifting appliances 20 are respectively arranged and used for taking and placing a shielding plug 32 and transferring radioactive wastes; the outer protective layer is formed by splicing a plurality of plates and carbon steel plates from inside to outside, the lower part of the outer protective layer is open, the plates are connected through bolts, and the carbon steel plates are simultaneously used as installation base bodies of other parts contained in the shielding container 1.

As shown in fig. 3 and 4, the lifting mechanism further comprises a fixed pulley 15 arranged at the top of the container body, and the driving mechanism is a winch 17; and a steel wire rope 16 of the winch 17 passes through the fixed pulley 15 and then is connected with the lifting appliance 20. Specifically, the support lug 7 is fixed on the carbon steel plate 18 and the second displacement device 2 through bolts, and the shielding container 1 is fixed on the second displacement device 2 through the support lug 7; two inner chambers 19 are respectively provided with a set of lifting mechanism for respectively taking and placing shielding plug 32 and radioactive waste, the lifting mechanism comprises a winch 17, a steel wire rope 16, a lifting appliance 20 and a fixed pulley 15, because two sets of lifting mechanisms are arranged, the head space is not enough, the two winches 17 are respectively arranged on carbon steel plates 14 at two sides of the protective outer layer 6, one end of the steel wire rope 16 is connected with the lifting appliance 20, the lifting appliance passes through the fixed pulley 15 at the top of the shielding container 1, the other end of the steel wire rope is fixed on the winch 17, the lifting movement of the automatic lifting appliance 20 in the container body 6 is realized through the fixed pulley 15 and the winch 17, and the lifting appliance 20 can automatically grab a waste barrel 34 and the.

In this embodiment, the shielding container 1 further includes a compensation shielding mechanism, and the compensation shielding mechanism includes a compensation shielding plate 21 and a lifting mechanism; the compensation shield plate 21 set up in 1 lower part of shielded container is formed by polylith carbon steel board and the concatenation of lead boron polyethylene board from interior to exterior, around the container body round, and leave certain clearance between the container body carbon steel board. The lifting mechanism is connected with the compensation shielding plate 21 to drive the compensation shielding plate 21 to switch between an upper state and a lower state.

The lifting mechanism comprises two lifters 8, and the two lifters 8 are symmetrically arranged on the side surface of the container body; the end face of a push rod of the lifter 8 is provided with a flange, the flange is connected with the compensation shielding carbon steel plate through a screw, and the lifting motion of the compensation shielding plate 21 is realized through synchronous lifting of the two lifters 8. The compensation shield 21 is in a high position when the shielding container 1 moves between the respective storage wells 33, and is in a low position when the shielding container 1 lifts the radioactive waste or the radioactive waste is put into the storage wells 33, for compensating a gap between the shielding container 1 and the ground, and ensuring gamma shielding during the storage.

As shown in fig. 1 and 2, the displacement system comprises a first displacement device 4 and a second displacement device 2; the shielding container 1 is arranged on the second displacement device 2; the second displacement device 2 is arranged on the first displacement device to drive the shielding container 1 to move relative to the first displacement device 4; the first displacement device 4 is arranged on the storage floor 31 to move the second displacement device 2 relative to the storage floor 31. The directions of movement of the first displacement means 4 and the second displacement means 2 are not parallel. The first displacement device 4 and the second displacement device 2 both comprise a bearing body and a guide rail; the carriers move along respective guide rails.

Specifically, the second displacement device 2 includes a carrier 27, a wheel assembly 26, and a travel drive mechanism. The supporting body 27 is a rectangular frame formed by welding carbon steel plates, the 4 wheel assemblies 26 are respectively fixed on two sides of the supporting body 27, the walking driving mechanism is composed of a double-output-shaft motor 22, a coupler 23, a connecting shaft 24 and a coupler 25, the double-output-shaft motor 22 is located at one end of the supporting body 27 and is connected with the connecting shaft 24 through the coupler 23, and the connecting shaft 24 is connected with the wheel assemblies 26 on two sides of the supporting body 27 through the coupler 25 so as to drive the wheel assemblies 26 to move.

The first displacement device 4 comprises a carrier 28, a wheel assembly 30, a motor 29 and a rail 3. The bearing body 28 is a rectangular frame formed by splicing section steels, 4 wheel assemblies 30 are fixed on two sides of the bearing body 28, and the left wheel assembly 30 and the right wheel assembly 30 are respectively driven by a motor 29 due to the long span of the bearing body 28; the rail 3 is fixed to the carrier 28 by screws. The track 5 is fixed on the ground of the storage.

Sensors (not shown in the drawing) are arranged on the first displacement device 4 and the second displacement device 2, the coordinate position of the shielding container 1 in the storage can be read, and after a control system (not shown in the drawing) receives position signals fed back by the sensors, the movement of the first displacement device 4 and the second displacement device 2 is controlled, so that the two cavities of the shielding container 1 can move to different storage wells 33, and the grabbing of the shielding plug 32 and the radioactive waste barrel 34 is realized.

The radioactive waste barrel 34 is transferred to the storage well 33 by the transfer system for storage as follows, and after the operator inputs the coordinates of the designated storage well 33, the following storage process is fully automated by the program of the control system:

1. The shield plug lifting cavity of the storage transfer system moving to the shield container 1 is positioned above the appointed storage well 33;

2. the shielding container 1 lifts the lifting mechanism in the cavity to move, and lifts the shielding plug 32 into the shielding plug lifting cavity;

3. The storage transfer system is operated until its radioactive waste lifting chamber of the shielded container 1 is located above the storage well 33;

4. The lifting mechanism of the compensation shielding plate 21 acts to lower the compensation shielding plate 21;

5. The radioactive waste in the shielding container 1 lifts the lifting mechanism in the cavity to place the radioactive waste barrel 34 in the cavity into the storage well 33;

6. The lifting mechanism of the compensation shielding plate 21 acts to lift the compensation shielding plate 21;

7. The transportation system for storage runs until the shielding plug lifting cavity of the shielding container 1 is positioned above the storage well 33;

8. The shield plug lifting mechanism of the shield container 1 operates to place the shield plug 32 in the shield plug lifting chamber into the storage well 33.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.