CN119102396A

CN119102396A - Movable hot chamber

Info

Publication number: CN119102396A
Application number: CN202411224094.0A
Authority: CN
Inventors: 王华才; 王森才; 朱浩源; 程焕林; 汤琪
Original assignee: China Institute of Atomic of Energy
Current assignee: China Institute of Atomic of Energy
Priority date: 2024-09-02
Filing date: 2024-09-02
Publication date: 2024-12-10

Abstract

The embodiment of the application relates to the technical field of additional-protection cells, in particular to a movable hot chamber which comprises a base body, a wall body and a cover body. The pedestal body can be detachable and fixedly connected with the wall body, and after the pedestal body is fixedly connected with the wall body, the pedestal body and the wall body form a shielding object accommodating space and a test space for accommodating equipment for testing the object to be tested. The movable hot chamber in the embodiment of the application can modularly transport the hot chamber to a required place, and assemble and disassemble the hot chamber at the required place so as to test a test object at the required place, thereby avoiding long-distance transport of the test object, reducing the risk of radiation overflow caused by the long-distance transport of the test object, simultaneously testing the test object at the required place in time, judging the running condition of equipment in real time according to the test condition, and avoiding delaying the processing time of equipment failure.

Description

Movable hot chamber

Technical Field

The embodiment of the application relates to the technical field of additional-protection cells, in particular to a movable hot chamber.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The spent fuel assembly produced in the nuclear facility, the material which is stained with radioactive substances after irradiation and the like are all required to be processed in a hot chamber when performing operations such as performance test and experiment after irradiation.

The heat chamber is used as a special facility for treating radioactive substances, needs to meet the construction requirements of shielding, sealing, isolation and the like so as to meet the requirements of radiation protection, and ensures the safety of operators.

Disclosure of Invention

The following presents a simplified summary of the application in order to provide a basic understanding of some aspects of the application. It should be understood that this summary is not an exhaustive overview of the application. It is not intended to identify key or critical elements of the application or to delineate the scope of the application. Its purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.

The embodiment of the application provides a movable hot chamber, which can test an object to be tested and comprises a base body, a wall body and a cover body. The base body is detachably and fixedly connected with the wall body, after the base body is fixedly connected with the wall body, the base body and the wall body form a shielding object accommodating space and a test space for accommodating equipment for testing an object to be tested, the object to be tested is tested in the test space, a plurality of functional channels or mounting pore canals are formed on the wall body, the object to be tested is processed or the object to be tested is processed and observed through the functional channels or the mounting pore canals, and the cover body is arranged to seal the test space and the shielding object accommodating space.

According to the movable hot chamber, the hot chamber is modularized into the detachable base body, the wall body and the cover body, so that the hot chamber is modularly transported to a required place according to the actual application requirement, and is assembled and disassembled at the required place, so that a test object is tested at the required place, the test object is prevented from being transported remotely, the risk of radiation overflow caused by the test object in long-distance transportation is reduced, meanwhile, the test object can be tested at the required place in time, the running condition of equipment is judged in real time according to the test condition, and the processing time of the fault of the equipment is prevented from being delayed.

Drawings

Other objects and advantages of the present application will become apparent from the following description of embodiments of the present application, which is to be read in connection with the accompanying drawings, and may assist in a comprehensive understanding of the present application.

FIG. 1 is a schematic structural view of a movable thermal chamber according to one embodiment of the application.

Reference numerals illustrate:

10. The device comprises a seat body, 20, wall bodies, 201, a first wall body, 202, a second wall body, 203, a third wall body, 21, a shielding object accommodating space, 22, a test space, 23, a transfer channel, 24, an observation window mounting hole, 25, a manipulator mounting hole, 26, a liquid outflow hole, 30, a cover body, 31, a first cover body, 32, a second cover body, 40, an observation window, 50, a manipulator, 60, a supporting piece, 70 and a test bench.

It should be noted that the drawings are not necessarily to scale, but are merely shown in a schematic manner that does not affect the reader's understanding.

Detailed Description

Exemplary embodiments of the present application will be described hereinafter with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific decisions must be made in order to achieve the developer's specific goals, such as compliance with system-and business-related constraints, and that these constraints will vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

It should be noted here that, in order to avoid obscuring the present application due to unnecessary details, only the device structures and/or processing steps closely related to the solution according to the present application are shown in the drawings, while other details not greatly related to the present application are omitted.

The inventor of the application discovers that because the test object to be treated in the hot chamber is usually a radioactive substance, strict radiation protection requirements need to be met in the transportation process of the test object to be transported to the hot chamber, the difficulty is high, the efficiency is low, and therefore, the conventional fixed hot chamber is difficult to realize the timely detection and test of the test object, and the defects of flexibility, mobility and the like exist.

Based on this, an embodiment of the present application provides a movable heat chamber in which an object to be tested can be tested, as shown in fig. 1, fig. 1 shows a schematic structural diagram of the movable heat chamber according to an embodiment of the present application, and the heat chamber includes a base 10, a wall 20, and a cover 30. The base 10 can be detachably and fixedly connected with the wall 20, after the base 10 is fixedly connected with the wall 20, the base 10 and the wall 20 form a shielding object accommodating space 21 and a test space 22 for accommodating equipment for testing an object to be tested, the object to be tested is tested in the test space 22, a plurality of functional channels or mounting holes are formed in the wall 20, the object to be tested is processed or the processing of the object to be tested is observed through the functional channels or the mounting holes, and the cover 30 is arranged to seal the test space 22 and the shielding object accommodating space 21.

According to the embodiment of the application, the hot chamber is modularized into the detachable seat body 10, the wall body 20 and the cover body 30, so that the hot chamber is modularly transported to a required place according to the requirements of practical application, and is assembled and disassembled at the required place to test a test object at the required place, so that the test object is prevented from being transported remotely, the risk of radiation overflow caused by the test object in long-distance transportation is reduced, meanwhile, the test object can be tested at the required place in time, the running condition of equipment is judged in real time according to the test condition, and the processing time of the equipment failure is prevented from being delayed.

In some embodiments, the plurality of functional channels or mounting tunnels may include a transfer channel 23 formed on the wall 20 through which an object to be tested enters the test space 22, a viewing window mounting tunnel 24 formed on the wall 20, a viewing window 40 mounted in the viewing window mounting tunnel 24 to view the test space 22 through the viewing window 40, a robot mounting tunnel 25 formed on the wall 20, and a robot 50 mounted in the robot mounting tunnel 25 to operate the apparatus and the object to be tested in the test space 22 using the robot 50. In this embodiment, the transfer channel 23 is reserved on the wall 20, and the installation channels for installing the observation window 40 and the manipulator 50 are reserved, so that the observation window 40 and the manipulator 50 are transported separately and then installed on the wall 20 after being transported to a required place, and therefore, the rapid transportation, assembly and disassembly of the hot room are realized.

Wherein the transfer channel 23, the viewing window mounting duct 24 and the robot mounting duct 25 are in sealing connection with the wall 20, for example, by sealing with a sealing ring, so as to avoid leakage of the shielding filled in the shielding accommodating space 21.

The transfer channel 23 may be arranged to be connected to an external device for transferring the test object, and the transfer channel 23 and the external device are provided with an interlocking mechanism arranged to remove the test object from the transfer channel 23 after the transfer channel 23 is completely locked to the external device, thereby avoiding communication between the interior of the heat chamber and the exterior, resulting in leakage of radioactive material inside the test space 22.

The viewing window 40 may be a liquid viewing window, which is internally filled with a zinc bromide solution to shield radiation, to ensure safety of an operator when viewing the test space 22 through the viewing window 40, and to facilitate installation and removal.

The manipulator 50 can adopt master-slave type manipulator, and master-slave type manipulator includes master hand, slave hand and wall bushing, and wall bushing runs through manipulator installation pore 25 and installs in wall body 20, and master hand is connected with the wall bushing one end that is located the hot laboratory cave outside, and slave hand is connected with the wall bushing one end that is located test space 22 inside to drive slave hand through master hand, realize long-range operation, ensure that operating personnel can operate test equipment and test object in the test space 22 outside the safe distance, improve the security of operation. And, the slave hand is provided with a sleeve to prevent the slave hand from being contaminated.

In some embodiments, the wall body 20 may include a first wall body 201 and a second wall body 202, the first wall body 201 being disposed outside the second wall body 202, the first wall body 201 and the second wall body 202 and the base body 10 forming the shield receiving space 21, the second wall body 202 and the base body 10 forming the test space 22, and a plurality of functional channels or installation holes being formed between the first wall body 201 and the second wall body 202. In the embodiment, the two layers of walls are arranged, and the shielding object accommodating space 21 is formed between the two layers of walls and is used for accommodating shielding objects, so that double-layer radiation shielding is realized by the walls and the shielding objects, and the radiation protection requirement of long-time operation of operators is met.

Illustratively, the first and second walls 201, 202 may be stainless steel metal plates for shielding radiation.

In some embodiments, the wall 20 may further include a third wall 203, where the third wall 203 is disposed between the first wall 201 and the second wall 202 to enhance the radiation shielding effect, and at the same time, strengthen the overall structure of the heat chamber and improve the stability of the heat chamber.

In some embodiments, the cover 30 may include a first cover 31 and a second cover 32, the first cover 31 being detachably connected to the wall 20, the first cover 31 being configured to close the test space 22, and the second cover 32 being configured to close the shield accommodating space 21. In this embodiment, the test space 22 and the shield accommodating space 21 are sealed by the first cover 31 and the second cover 32, respectively, wherein the first cover 31 prevents the radioactive substance in the test space 22 from leaking, and the second cover 32 is used for reducing volatilization of the shield filled in the shield accommodating space 21.

The first cover 31 is formed with a lifting hole so that equipment inside the test space 22 can enter through the lifting hole and is disposed in the test space 22, and in addition, the lifting hole is further disposed so as to open the hot chamber under emergency conditions to cope with sudden accidents and improve the safety of the hot chamber.

Illustratively, the first cover 31 may be cast iron and concrete slab, and the second cover 32 may be a steel plate insert plate to ensure good strength and corrosion resistance of the first cover 31 and the second cover 32.

In some embodiments, the movable thermal chamber may further comprise a support 60, the support 60 being arranged within the shield receiving space 21 and being arranged to provide support for the functional components mounted in the mounting duct to ensure robustness of the functional components. For example, as shown in fig. 1, the support 60 may provide support for the viewing window 40.

In some embodiments, the shield may be a liquid, and the wall 20 is provided with a liquid outlet 26, and the liquid is first discharged from the liquid outlet 26 when the wall 20 is disassembled. The shielding material accommodating space 21 is filled with a liquid as a shielding material in the present embodiment to simplify the hot cell structure while maximizing the radiation shielding effect, and the shielding material may be water or a heavy ion aqueous solution, for example. Meanwhile, the liquid outflow opening 26 is arranged on the wall 20, so that liquid is discharged when the hot chamber is disassembled and moved, and therefore the disassembly, assembly and transportation difficulties of the hot chamber are reduced, and the efficiency is improved.

In some embodiments, the movable thermal chamber may further include stiffeners disposed between the walls 20 and configured to strengthen the walls 20 to enhance the strength and load-bearing capacity of the walls 20 and to enhance the overall stability of the movable thermal chamber.

Illustratively, the stiffener may include a stiffener and a stiffening beam disposed between the first layer of wall 201 and the second layer of wall 202.

In some embodiments, the wall 20 and the base 10 are connected in a sealing manner, so as to avoid leakage of the shielding filled in the shielding accommodating space 21.

Specifically, the wall 20 may be configured to be connected to the socket of the base 10, and the socket may be configured as a loop-shaped socket to enhance the sealing of the connection between the wall 20 and the base 10.

In some embodiments, the bottom surface of the base 10 may be disposed such that a portion coupled with the wall 20 is higher than a portion of the base 10 not coupled with the wall 20, i.e., a slope having a high middle and a low outer side is formed at a position where the floor of the base 10 is coupled with the wall 20, so as to facilitate discharging the liquid as the shield while further avoiding leakage of the shield.

In some embodiments, the movable thermal chamber may further include a test bed 70, the test bed 70 being disposed within the test space 22 to carry test subjects and other equipment required for testing, and the like.

In some embodiments, the movable thermal chamber may further include a lighting system, a power supply system, a ventilation system, a lifting system, a waste recovery system, and the like, disposed inside the thermal chamber to assist in the performance of the test, and further include a radiation-proof camera configured to monitor the appearance of the thermal chamber for damage and record the detection and testing process of the test subject.

The assembly and use of the movable heat chamber of the present application will be further described in the following with specific examples.

When the movable heat chamber is assembled, the first wall 201, the second wall 202 and the third wall 203 are fixed on the base 10 to ensure that the first wall 201, the second wall 202 and the third wall 203 are respectively in sealing connection with the base 10, the observation window 40 and the manipulator 50 are installed in the observation window installation pore 24 and the manipulator installation pore 25, the shielding material is filled into the shielding material accommodating space 21, the shielding material accommodating space 21 is sealed by the second cover 32, the test bench 70, other devices required by tests and the like are hoisted into the test space 22 through the hoisting holes of the first cover 31, and the test space 22 is sealed by the first cover 31 after the arrangement is completed.

After the assembly, the test object is transferred into the test space 22 by using external equipment through the transfer channel 23, and the test object is subjected to the preparation treatment, detection, test and the like by using the manipulator 50, and the operation condition in the test space 22 is observed by combining the observation window 40 with other visual devices arranged in the hot chamber.

It should also be noted that, in the embodiments of the present application, the features of the embodiments of the present application and the features of the embodiments of the present application may be combined with each other to obtain new embodiments without conflict.

The present application is not limited to the above embodiments, but the scope of the application is defined by the claims.

Claims

1. A movable hot chamber, in which a test object can be tested, characterized in that it comprises:

The base, wall and cover,

The base can be detachably fixedly connected to the wall. After the base is fixedly connected to the wall, the base and the wall form a shielding accommodating space and a test space for accommodating equipment for testing the test object. The test object is tested in the test space.

A plurality of functional channels or installation holes are formed on the wall, and the object to be tested is processed or the processing of the object to be tested is observed by using the functional channels or installation holes;

The cover is configured to seal the test space and the shielding object accommodating space.

2. The movable hot chamber according to claim 1, characterized in that

The multiple functional channels or installation holes include:

A transfer channel is formed on the wall, and the test object enters the test space through the transfer channel;

An observation window installation channel is formed on the wall, and the observation window is installed in the observation window installation channel, so as to observe the test space through the observation window;

A manipulator installation hole is formed on the wall, and the manipulator is installed in the manipulator installation hole so that the manipulator can be used to operate the test equipment and the test object in the test space.

3. The movable hot chamber according to claim 1, characterized in that

The wall comprises a first layer of wall and a second layer of wall, wherein the first layer of wall is arranged outside the second layer of wall,

The first layer of walls, the second layer of walls and the base form the shielding object accommodating space; the second layer of walls and the base form the test space.

The plurality of functional channels or installation holes are formed between the first layer of walls and the second layer of walls.

4. The movable hot chamber according to claim 3, characterized in that

The wall also includes a third wall layer, and the third wall layer is arranged between the first wall layer and the second wall layer.

5. The movable hot cell according to claim 1, characterized in that

The cover body includes a first cover body and a second cover body, the first cover body is detachably connected to the wall body, and the first cover body is configured to enclose the test space;

The second cover is configured to close the shielding object accommodating space.

6. The movable heat chamber according to any one of claims 1 to 5, further comprising a support member, wherein the support member is arranged in the shielding object accommodating space and is arranged to provide support for the functional components installed in the installation channel.

7. The movable hot cell according to claim 1, characterized in that

The shield is a liquid, and

The wall is provided with a liquid outflow outlet, and when the wall is disassembled, the liquid is first discharged from the liquid outflow outlet.

8. The movable hot cell according to claim 1, characterized in that

It also includes a reinforcing member, which is arranged between the walls and is configured to reinforce the walls.

9. The movable hot cell according to claim 1, characterized in that

The wall body and the seat body are arranged to be sealed.

10. The movable hot cell according to claim 1, characterized in that

The bottom surface of the base is configured such that a portion combined with the wall is higher than a portion of the base not combined with the wall.