CN111524635A - An isolation device and radioactive waste treatment system - Google Patents

Abstract

An embodiment of the present invention provides an isolation device and a radioactive waste treatment system. The isolation device is applied to a radioactive waste treatment system, and the radioactive waste treatment system is arranged in a accommodating room, and the accommodating room is divided into two parts by the isolation device. a first accommodating space and a second accommodating space; the isolation device includes an isolation layer, and a loading channel is opened on the isolation layer, and the loading channel can be used for radioactive waste to move from the first accommodating space to the In the second accommodating space, a movable sealing cover is also provided on the isolation layer. When the sealing cover moves to the first position to close the loading channel, the first accommodating space and the second accommodating space are separated from each other. The accommodating spaces are isolated, and when the sealing cover moves to the second position to unseal the loading channel, the first accommodating space and the second accommodating space are connected. In the embodiment of the present invention, the safety of the radioactive waste treatment system is higher through the isolation device.

Description

An isolation device and radioactive waste treatment system

technical field

The invention relates to the technical field of waste treatment, in particular to an isolation device and a radioactive waste treatment system.

Background technique

The development of nuclear engineering and nuclear technology has led to the generation of more and more radioactive waste. Radioactive waste is harmful to human body and cannot be placed at will, but must be disposed of properly. In the prior art, the radioactive waste is usually compressed first, and then the compressed waste after the compression treatment is put into a barrel for manual grouting treatment. Compression treatment and grouting treatment of radioactive waste are in the same area, which causes grouting workers to be extremely vulnerable to radiation damage from the stored radioactive waste. Therefore, the safety of the radioactive waste treatment system in the prior art is low.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide an isolation device and a radioactive waste treatment system to solve the problem of low safety of the radioactive waste treatment system in the prior art.

In a first aspect, an embodiment of the present invention provides an isolation device, which is applied to a radioactive waste treatment system. The radioactive waste treatment system is arranged in a accommodating room, and the accommodating room is divided into a first accommodating space by the isolation device. and the second accommodation space;

The isolation device includes an isolation layer, a loading channel is opened on the isolation layer, and the loading channel can be used for moving radioactive waste from the first accommodating space to the second accommodating space, and the isolation layer is further A movable sealing cover is provided, when the sealing cover moves to the first position to close the loading channel, the first accommodating space is isolated from the second accommodating space, and when the sealing cover When moving to the second position to unseal the loading channel, the first accommodating space and the second accommodating space are connected.

Optionally, a sliding component is provided on the isolation layer, and the sealing cover is connected with the sliding component.

Optionally, the sliding component is at least two guide rails, the guide rails are respectively installed on both sides of the loading channel, and both ends of the sealing cover are connected to the guide rails.

Optionally, a drive assembly is provided on the isolation layer, and the drive assembly is connected to the sealing cover for driving the sealing cover to move on the sliding assembly.

Optionally, the drive assembly includes a hydraulic cylinder, and a piston on the hydraulic cylinder is connected to the sealing cover.

Optionally, a position switch is provided on the isolation layer, and the position switch is used to limit the moving position of the sealing cover.

Optionally, a sealing component is provided around the side of the loading channel close to the first accommodating space, and the sealing component can cooperate with the sealing cover.

In a second aspect, an embodiment of the present invention provides a radioactive waste treatment system, the radioactive waste treatment system is disposed in a accommodating room, the radioactive waste treatment system includes the isolation device according to any one of the first aspects, the The radioactive waste treatment system also includes:

a compression device, the compression device is arranged in the first accommodating space, and the compression device is used to compress the radioactive waste;

A grouting device is provided in the second accommodating space, and the grouting device is used for grouting the compressed radioactive waste.

Optionally, the compression device includes a clamping assembly for moving the compressed radioactive waste from the first accommodating space to the second accommodating space through the loading channel.

Optionally, the grouting device includes a container, which can be connected with the loading channel, and the container is used for receiving the compressed radioactive waste.

An embodiment of the present invention provides an isolation device and a radioactive waste treatment system. The isolation device is applied to a radioactive waste treatment system, and the radioactive waste treatment system is arranged in a accommodating room, and the accommodating room is divided into two parts by the isolation device. a first accommodating space and a second accommodating space; the isolation device includes an isolation layer, and a loading channel is opened on the isolation layer, and the loading channel can be used for radioactive waste to move from the first accommodating space to the In the second accommodating space, a movable sealing cover is also provided on the isolation layer. When the sealing cover moves to the first position to close the loading channel, the first accommodating space and the second accommodating space are separated from each other. The accommodating spaces are isolated, and when the sealing cover moves to the second position to unseal the loading channel, the first accommodating space and the second accommodating space are connected. In the embodiment of the present invention, the safety of the radioactive waste treatment system is higher through the isolation device.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative labor.

1 is a schematic structural diagram of a accommodating chamber provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an isolation device provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 and FIG. 2 , an embodiment of the present invention provides an isolation device, which is applied to a radioactive waste treatment system. The radioactive waste treatment system is arranged in a containing chamber 1 , and the containing chamber 1 passes through the isolation device. is divided into a first accommodating space 11 and a second accommodating space 12;

The isolation device includes an isolation layer 2, and a loading channel 3 is opened on the isolation layer 1, and the loading channel 3 can be used for the movement of radioactive waste from the first accommodating space 11 to the second accommodating space 12, The isolation layer 2 is also provided with a movable sealing cover 4 . When the sealing cover 4 moves to the first position to close the loading channel 3 , the first accommodating space 11 and the second accommodating space 11 are closed. When the sealing cover 4 moves to the second position to unseal the loading channel 3 , the first accommodating space 11 and the second accommodating space 12 are connected.

Wherein, the accommodating room 1 may be a cabinet, or may be a place where a radioactive waste treatment system is placed, such as a factory building. The isolation device can be welded by steel plate or steel structure, and is connected with the civil foundation through bolts. The position and shape of the interface of the isolation device are matched with the civil foundation or designed according to the preset structure. The isolation layer 2 may be an isolation board, or may be an isolation wall of a factory building, or the like. The isolation layer 2 can isolate the accommodating chamber 1 into two upper and lower accommodating spaces, or can isolate the accommodating chamber 1 into two left and right accommodating spaces, which is not limited in the embodiment of the present invention. It is convenient for radioactive waste to move from the first accommodating space 11 to the second accommodating space 12. The isolation layer 2 isolates the accommodating room 1 into two upper and lower accommodating spaces. The first accommodating space 11 Located above the second accommodating space 12 . The loading channel 3 may be a through hole, and the shape of the through hole is not limited. Preferably, the loading channel 3 may be a circular hole. The sealing cover 4 is used to close the loading channel 3, and the sealing cover 4 can be in the form of a circular shape or a square shape. Preferably, the sealing cover 4 is a square shape.

Among them, the first accommodating space 11 can place a compression device for compressing the radioactive waste, and storing more radioactive wastes that have not been compressed and that have been compressed, and the first accommodating space 11 has relatively high radioactive radiation . A grouting device can be placed in the second accommodating space 12 for grouting the compressed radioactive waste, with low radioactive radiation. After the compressed radioactive waste is moved from the first accommodating space 11 to the second accommodating space 12, the loading channel 3 is closed by moving the sealing cover 4 to the first position, so as to By isolating the first accommodating space 11 and the second accommodating space 12 , physical shielding and isolation of the radiation zones of the high-radiation region and the low-radiation region can be achieved. The isolation device can also provide logistics or operation channels for the shielding walls of the same type of radioactive workshop, which is used to isolate various types of radioactive workshops, etc. The first accommodating space 11 and the second accommodating space 12 can also be used to place other radioactive wastes for disposal. device.

Wherein, the radioactive waste treatment system can be controlled by PLC (Programmable Logic Controller, programmable logic controller), and the movement of the sealing cover 4 is controlled by the PLC.

An embodiment of the present invention provides an isolation device, which is applied to a radioactive waste treatment system. The radioactive waste treatment system is arranged in an accommodation chamber 1, and the accommodation chamber 1 is divided into a first accommodation space 11 and a first accommodation space by the isolation device. The second accommodating space 12; the isolation device includes an isolation layer 2, and a loading channel 3 is opened on the isolation layer 1, and the loading channel 3 can be used for the movement of radioactive waste from the first accommodating space 11 to the The second accommodating space 12 is further provided with a movable sealing cover 4 on the isolation layer 2 . When the sealing cover 4 moves to the first position to close the loading channel 3 , the first accommodating space 11 and the second accommodating space 12 are isolated. When the sealing cover 4 moves to the second position to unseal the loading channel 3, the first accommodating space 11 and the second accommodating space 11 are separated. Conduction between the spaces 12 . In the embodiment of the present invention, the safety of the radioactive waste treatment system is higher through the isolation device.

Optionally, the isolation layer 2 is provided with a sliding component, and the sealing cover 4 is connected with the sliding component. Wherein, the sliding component may include a guide rail 5 or a pulley, etc., and the movement of the sealing cover 4 is controlled by the sliding component, and the automation degree of the isolation device is relatively high.

Optionally, the sliding component is at least two guide rails 5 , the guide rails 5 are respectively installed on both sides of the loading channel 3 , and both ends of the sealing cover 4 are connected to the guide rails 5 . The movement of the sealing cover 4 is controlled by the guide rail 5, which facilitates the control of the moving direction of the sealing cover 4, and the control effect is better.

Optionally, a drive assembly 6 is disposed on the isolation layer 2 , and the drive assembly 6 is connected to the sealing cover 4 for driving the sealing cover 4 to move on the sliding assembly. Wherein, the driving component 6 may be a driving component 6 such as a hydraulic cylinder or a pneumatic cylinder, and the movement of the sealing cover 4 is controlled by the driving component 6 to further improve the automation degree of the isolation device.

Optionally, the driving assembly 6 includes a hydraulic cylinder, and the piston on the hydraulic cylinder is connected to the sealing cover 4 . The piston may be located on the side of the sealing cover 4 away from the loading channel 3 , the piston may be connected with the surface of the sealing cover 4 , and the movement direction of the piston is parallel to the setting direction of the guide rail 5 . When the piston moves repeatedly, the piston drives the sealing cover 4 to move repeatedly along the setting direction of the guide rail 5, so that the sealing cover 4 moves to the first position to close the loading channel 3, or the sealing cover 4 moves to the second position position to unseal the loading channel 3. Using a hydraulic cylinder as the driving component 6, the structure of the isolation device is relatively simple, and the sealing cover 4 can be moved safely and smoothly.

Optionally, a position switch is provided on the isolation layer 2 , and the position switch is used to limit the movement position of the sealing cover 4 . The position switch can be arranged on the end of the guide rail 5 or on the hydraulic cylinder to control the stroke of the hydraulic cylinder and state monitoring, limit the movement position of the sealing cover 4 along the setting direction of the guide rail 5, and can precisely control the movement of the sealing cover 4 to the first position. A position to close the loading channel 3 also prevents the sealing cover 4 from disengaging from the guide rail 5 .

Optionally, a sealing component is provided around the side of the loading channel 3 close to the first accommodating space 11 , and the sealing component can cooperate with the sealing cover 4 . The sealing component can be a sealing ring, and the sealing ring can cooperate with the sealing cover 4 to completely isolate the first accommodating space 11 and the second accommodating space 12, so as to ensure the relative sealing integrity of the whole device.

The embodiment of the present invention further provides a radioactive waste treatment system, the radioactive waste treatment system is arranged in the accommodating room 1, the radioactive waste treatment system includes the isolation device described in the embodiment of the present invention, and the radioactive waste treatment system also include:

a compression device, the compression device is arranged in the first accommodating space 11, and the compression device is used to compress the radioactive waste;

A grouting device, the grouting device is arranged in the second accommodating space 12, and the grouting device is used for grouting the compressed radioactive waste.

Wherein, the compression device is used for compressing the radioactive waste, specifically, the radioactive waste may be placed in a compression mold for compression.

The radioactive waste treatment system of the embodiment of the present invention uses an isolation device to divide the accommodation chamber 1 into a first accommodation space 11 and a second accommodation space 12 , so that the safety of the radioactive waste treatment system is high.

Optionally, the compression device includes a clamping assembly, and the clamping assembly is used to move the compressed radioactive waste from the first accommodating space 11 to the second accommodating space through the loading channel 3 . Space 12. The clamping assembly can be a mechanical gripper, and the compressed radioactive waste is clamped and moved from the first accommodating space 11 to the second accommodating space 12 by the clamping assembly, thereby further improving the radioactive waste treatment. The degree of automation of the system.

Optionally, the grouting device includes a container, which can be connected to the loading channel 3, and the container is used for receiving the compressed radioactive waste. The container may be a barrel, specifically, a 200L standard waste barrel. The container can be connected with the loading channel 3, specifically, the container can be arranged under the loading channel 3, and the container and the loading channel 3 can be connected by a flange, so that the container can receive the compression through the loading channel 3. For the treated radioactive waste, the flange can adjust the vertical distance between the bottom of the loading channel 3 and the container on the container loading station within a certain stroke. By arranging the container to connect with the loading channel 3, the radioactive waste after the compression treatment can be prevented from being scattered from the loading channel 3, which will affect the subsequent grouting operation.

Optionally, the number of the loading channels 3 is at least two, and the number of the sealing covers 4 is the same as the number of the loading channels 3 . By setting the number of loading channels 3 to be multiple, the waste treatment efficiency of the radioactive waste treatment system can be improved.

A specific embodiment is used to illustrate the radioactive waste treatment system of the present invention:

The radioactive waste can be compressed into a cake shape by using a compression device to compress the radioactive waste. Place the receiving packaging barrel for the cake-shaped radioactive solid waste on the cake-shaped radioactive solid waste loading station in the second accommodation space, so that the receiving packaging barrel is directly under the loading channel, and adjust the non-standard method on the loading channel by adjusting the non-standard method on the loading channel. The height of the blue, so that the loading channel is connected with the receiving drum. In the initial state, the sealing cover is located at the first position to close the loading channel, and the first accommodating space and the second accommodating space are in a relatively independent state. After the compression device completes the overpressure operation on the radioactive waste, under the action of the hydraulic cylinder driving mechanism, the sealing cover is moved to the second position to unpack the carrying channel. A single cake-shaped radioactive solid waste is horizontally hoisted directly above the loading channel by the special mechanical gripper attached to the compression device, and the special mechanical gripper puts the cake-shaped radioactive solid waste into the loading channel, so that it enters the receiving packaging barrel. When a receiving and packaging barrel is full, under the action of the hydraulic cylinder driving mechanism, the sealing cover is moved to the first position and the loading channel is closed. The above operations can be repeated to continue loading the second receiving packaging barrel. When the cake-shaped radioactive solid waste is loaded, move the sealing cover to the first position to ensure the shielding isolation of the first accommodating space and the second accommodating space.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments may be referred to each other.

In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", The orientations or positional relationships indicated by "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, It is only for the convenience of describing the present invention and simplifying the description, not to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "arrangement" and "connection" should be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a direct connection or an indirect connection through an intermediate medium. The fixed connection can be common technical solutions such as welding, screw connection and tightening. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art who is familiar with the technical scope disclosed by the present invention can easily think of changes or replacements, which should cover within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. An isolation device is applied to a radioactive waste treatment system, wherein the radioactive waste treatment system is arranged in an accommodating chamber, and the accommodating chamber is divided into a first accommodating space and a second accommodating space through the isolation device;

the isolation device comprises an isolation layer, a loading channel is formed in the isolation layer, the loading channel can be used for radioactive wastes to move from the first accommodating space to the second accommodating space, a movable sealing cover is further arranged on the isolation layer, when the sealing cover moves to a first position to seal the loading channel, the first accommodating space is isolated from the second accommodating space, and when the sealing cover moves to a second position to unseal the loading channel, the first accommodating space is communicated with the second accommodating space.

2. An isolation device as claimed in claim 1, wherein a sliding assembly is provided on the isolation layer, the sealing cover being connected to the sliding assembly.

3. The isolation device of claim 2, wherein the sliding assembly is at least two guide rails, the guide rails are respectively installed at both sides of the loading passage, and both ends of the sealing cover are connected with the guide rails.

4. An isolation device as claimed in claim 2, wherein a drive assembly is provided on the isolation layer, the drive assembly being connected to the sealing cover for driving the sealing cover to move on the sliding assembly.

5. An isolation device as claimed in claim 4, wherein the drive assembly comprises a hydraulic cylinder, a piston on the hydraulic cylinder being connected to the sealing cover.

6. An isolation device as claimed in claim 1, wherein the isolation layer is provided with a position switch for limiting the position of movement of the sealing cover.

7. The isolation device of claim 1, wherein a sealing assembly is disposed around a side of the loading passage adjacent to the first receiving space, and the sealing assembly is capable of engaging with the sealing cover.

8. A radioactive waste treatment system, wherein the radioactive waste treatment system is provided in a housing chamber, the radioactive waste treatment system comprising the isolation device of any one of claims 1 to 7, the radioactive waste treatment system further comprising:

the compression device is arranged in the first accommodating space and is used for compressing the radioactive waste;

and the grouting device is arranged in the second accommodating space and is used for grouting the compressed radioactive waste.

9. The radioactive waste disposal system according to claim 8, wherein the compressing device comprises a clamping assembly for moving the compressed radioactive waste from the first receiving space to the second receiving space through the loading passage.

10. The radioactive waste treatment system according to claim 8, wherein the grouting device comprises a receptacle engageable with the loading passage, the receptacle for receiving the compressed radioactive waste.

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