CN110634584A - Ball valve type shielding transfer device - Google Patents
Ball valve type shielding transfer device Download PDFInfo
- Publication number
- CN110634584A CN110634584A CN201910900996.4A CN201910900996A CN110634584A CN 110634584 A CN110634584 A CN 110634584A CN 201910900996 A CN201910900996 A CN 201910900996A CN 110634584 A CN110634584 A CN 110634584A
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- Prior art keywords
- shielding
- valve core
- assembly
- channel
- transfer
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/12—Closures for containers; Sealing arrangements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/14—Devices for handling containers or shipping-casks, e.g. transporting devices loading and unloading, filling of containers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a ball valve type shielding transfer device, which comprises: the device comprises a shielding valve core, a shielding valve body, a valve core rotating assembly, a valve core installation auxiliary assembly, a valve core operating assembly, a sealing cover assembly, an operating cable mechanism and a sealing assembly of the operating cable mechanism; the valve core installation auxiliary assembly is used for installing the shielding valve core and the valve core rotating assembly into the shielding valve body; the shielding case can rotate through case rotating assembly, is equipped with first passageway on the shielding valve body, is equipped with the second passageway on the shielding case, rotates first default position when the shielding case for first passageway and second passageway intercommunication are constituteed transfer passage, case operating assembly are used for driving the shielding case and rotate under the drawing of operating cable rope, and sealed lid subassembly is used for right transfer passage seals, and this device has realized the optimization of radiation protection and transportation operation.
Description
Technical Field
The invention relates to the field of radioactive objects entering and exiting a closed box chamber in radioactive facilities, in particular to a ball valve type shielding transfer device.
Background
In radioactive facilities (including nuclear power plants, research reactors, experimental reactors, irradiation inspection and test facilities, radioactive three-waste treatment facilities, radioactive product production plants, radiotherapy places, radioactive animal and plant research places, other radioactive research and test facilities and the like), when the radioactivity level of a substance to be treated (gamma radiation, neutron radiation or mixed radiation) reaches a certain level or more, appropriate radiation protection measures are required to protect the radiation safety and radioactivity safety of personnel and the environment. Generally, shielding, distance control, time control and the like are comprehensively adopted in the process to realize the purposes, and the related devices or equipment are different according to different radioactive facility processes, wherein the shielding transfer passage is a common and necessary device for radioactive parts to enter and exit the closed box chamber.
In the practice of long-term design, manufacturing, installation and use and later maintenance, traditional transfer passage has more drawback and not enough, including operate inconvenient, the commonality is poor, maintain the maintenance difficulty, be unfavorable for keeping the atmospheric pressure in the closed box indoor stable, cause easily that radioactive substance reveals etc..
In nuclear facilities or radioactive sites, shielding transfer passages are used more and more, and along with the development of the society, the requirements on the shielding transfer passages are higher and higher, the traditional transfer mode and equipment are not suitable for meeting the practical requirements at present, a novel transfer device is urgently needed to meet the market requirement, and the invention just fills the blank.
Disclosure of Invention
Aiming at the technical background, in order to meet the use requirement of radioactive objects entering and exiting a closed box chamber in a nuclear facility or a radioactive place, make the radioactive objects more suitable for transportation under a strong radioactive environment or transportation of radioactive objects, change the traditional transportation mode, and apply the characteristics of shielding, sealing, convenient operation and the like to the transportation process, the invention provides a novel ball valve type shielding transportation device applied to the special place, thereby realizing the optimization of radiation protection and transportation operation.
In order to achieve the purpose, the application provides a ball valve type shielding transfer device, the device is embedded into a wall body when being installed, one end of the device is connected with a closed box chamber, the other end of the device is a butt joint and operation surface of the device, and a transfer channel is arranged in the device; the device comprises: the device comprises a shielding valve core, a shielding valve body, a valve core rotating assembly, a valve core installation auxiliary assembly, a valve core operating assembly, a sealing cover assembly, an operating cable mechanism and a sealing assembly of the operating cable mechanism; the valve core installation auxiliary assembly is used for installing the shielding valve core and the valve core rotating assembly into the shielding valve body; the shielding case can rotate through case rotating assembly, and shielding valve body fixed mounting is equipped with first passageway in the wall body on the shielding valve body, is equipped with the second passageway on the shielding case, rotates first predetermined position when the shielding case for first passageway and second passageway intercommunication are constituteed the transfer passage, case operating assembly are used for driving the shielding case and rotate under the traction of operating cable, and sealed lid subassembly is located the other end of device, sealed lid subassembly is used for right the transfer passage seals.
Preferably, the wall body is a concrete wall or a metal shielding wall.
Preferably, the shielding valve core is of a cylindrical structure, a channel is formed in the radial direction of the shielding valve core to serve as a second channel, channel walls are arranged on two sides of the second channel, the shielding valve core can rotate around the axis of the valve core rotating assembly, the closing and the conduction of the transfer channel are realized according to the position where the shielding valve core stops rotating, and when the shielding valve core rotates to enable the first channel to be communicated with the second channel, the transfer channel is conducted; when the shielding valve core rotates to the position that the channel wall corresponds to the first channel, the transfer channel is closed.
Preferably, the shielding valve core is of a solid steel structure or adopts a lead pouring structure.
Preferably, the shielding valve body is rectangular in shape and is used for installing the shielding valve core, the valve core rotating assembly, the valve core installation auxiliary assembly, the valve core operating assembly, the sealing cover assembly, the operating cable mechanism and the sealing assembly of the operating cable mechanism.
Preferably, the spool turning assembly includes: go up the base of lower extreme, all be equipped with on every base: the upper end and the lower end of the shielding valve core are respectively connected with the bearing, so that the shielding valve core can rotate.
Preferably, the valve core installation auxiliary assembly is of a roller tray structure.
Preferably, the valve core operation assembly is a gear pair transmission structure, and an external handle operation mode is adopted for operating the shielding valve core to rotate around the axis of the shielding valve core, so that the shielding transfer channel is opened and closed.
Preferably, the sealing cover assembly is located one side of the closed box chamber, a rotary opening and closing mode is adopted, the clamping position of the sealing cover is realized through the spring pressing balls on the periphery of the sealing cover, and the sealing of the shielding transfer channel is realized through the compression contact of the sealing surface of the sealing cover.
Preferably, the operating cable mechanism and its sealing assembly are used for opening and closing the sealing cover and for threading and sealing the rotating shaft, the driving wheel and the cable.
One or more technical solutions provided by the present application have at least the following technical effects or advantages:
the invention effectively solves a plurality of defects and shortcomings of the traditional transfer mode and equipment, and mainly solves the problems that radioactive parts can conveniently enter and exit the closed box chamber, radioactive shielding in the transfer process is fully ensured, the integrity of the sealing of the closed box chamber is ensured, and radioactive substances, especially radioactive aerosol in the closed box chamber, are prevented from leaking, so that the occupational radiation health of operators is effectively protected, the outflow of radiation pollutants is maximally avoided, and the radiation safety of the environment is protected. In addition, the invention also fully considers the characteristic of using in radioactive places, and has great convenience in the aspects of installation, use and later maintenance.
The invention can be applied to a radioactive closed box chamber of a concrete wall body, can also be applied to a (metal) modularized radioactive closed box chamber, and is also suitable for a non-closed radioactive box chamber (without air sealing requirement). Meanwhile, the shielding transfer passage can be designed and produced in a standardized manner, and shielding transfer passages of different specifications and models can be selected according to requirements of users so as to meet different transfer requirements in different places.
With the development of economy and society in China, the ball valve type shielding transfer channel can be widely used in nuclear facilities and numerous radioactive research, experiment and production places.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention;
FIG. 1 is a schematic view of a ball valve type shielded transfer device of the present application;
FIG. 2 is a schematic view of the internal structure of the ball valve type shielded transfer device of the present application;
FIG. 3 is a schematic cross-sectional view of a ball valve type shielded transfer device of the present application;
the device comprises a shielding valve core-7, a shielding valve body-3, a valve core rotating assembly-5, a valve core installation auxiliary assembly-6, a valve core operating assembly-4, a sealing cover assembly-1, an operating cable mechanism and a sealing assembly-2 thereof.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 1-3, the ball valve type shielding transportation channel provided by the present invention is mainly used for the radioactive objects in radioactive facilities (including nuclear power plants, research reactors, experimental reactors, irradiation inspection and test facilities, radioactive three-waste treatment facilities, radioactive product production plants, radiotherapy sites, radioactive animal and plant research sites, and other radioactive research and test facilities) to enter and exit a closed box room.
The shielding transfer passage provided by the invention adopts a ball valve type structural design and comprises a shielding valve core 7, a shielding valve body 3, a valve core rotating assembly 5, a valve core installation auxiliary assembly 6, a valve core operating assembly 4, a sealing cover assembly 1, an operating cable mechanism and a sealing assembly 2 thereof, a connecting fastener and the like. When the device is installed in a radioactive facility, the device is embedded into a wall body (a concrete wall or a metal shielding wall), one end (one end of a sealing cover) is welded with the closed box chamber, and the other end is a butt joint and operation surface of a transfer container or a transferred object.
The shielding valve core 7 is of a radial hollow cylinder structure and can rotate around a valve core axis (cylinder axis), and a solid steel structure or a lead pouring structure can be selected according to factors such as shielding capacity, wall thickness and the like.
The shielding valve body 3 is rectangular and used for installing a valve core, a valve core rotating assembly, a valve core installation auxiliary assembly, a valve core operating assembly, a connecting sealing cover assembly, a valve core operating assembly, an operating cable sealing assembly and the like, and has the function of locally reinforcing the whole transfer channel. According to factors such as shielding capacity, wall thickness and the like, a solid steel structure can be selected or a lead pouring structure can be adopted.
The valve core rotating component 5 comprises a base, a clamping sleeve, a bearing, a positioning block and the like at the upper end and the lower end, and is used for fixing the valve core and enabling the valve core to have the function of rotating around an axis.
The valve core installation auxiliary assembly 6 is of a roller tray structure and is used for installing the valve core and the valve core rotating assembly into the valve body and facilitating the maintenance, overhaul and replacement of the valve core and the valve core rotating assembly.
The valve core operation component 4 is of a gear pair transmission structure, adopts an external handle operation mode and is used for operating the valve core to rotate around the axis of the valve core, so that the opening and the closing of the shielding transfer channel are realized.
The sealing cover assembly 1 is located on one side of the closed box chamber, a rotary opening and closing mode is adopted, the clamping position of the sealing cover is realized through spring pressing balls on the periphery of the cover, the sealing of the shielding transfer channel is realized through the compression contact of the sealing surface of the cover, and the pressing force of the spring can be adjusted by adjusting the screw in depth of a screw located outside the spring.
The operating cable mechanism and the sealing assembly 2 thereof are used for opening and closing the sealing cover and threading and sealing the rotating shaft, the driving wheel, the cable and the like, when the sealing cover needs to be opened and closed, the hand wheel outside the shielding transfer channel is rotated, the steel wire rope is pulled, and the rotating wheel linked with the rotating shaft of the sealing cover drives the sealing cover to rotate around the rotating shaft, so that the sealing cover is opened and closed.
The invention carries out model selection design, manufacture and installation according to the shielding capacity of a use place, the size requirement of a transported object and other conditions, and only a cavity matched with the ball valve type shielding transport channel needs to be reserved for a closed box chamber connected with the closed box chamber.
The implementation of the invention is to determine the shielding requirement, the size of the transported object, the thickness of the wall body, other installation interfaces and the like, design according to the process structure of the invention, and then manufacture and install the related components. The shielding valve body and the valve core channel can be made of a solid steel structure or a lead pouring structure according to the conditions.
During installation, firstly determining the connection and positioning of the closed box chamber, fixing the shielding valve body by adopting a wall tool or other modes, assembling the lower end part of the valve core rotating assembly with the valve core channel, pushing the valve core channel into the shielding valve body by utilizing the valve core installation auxiliary assembly, positioning and fixing, and then assembling the upper end part of the valve core rotating assembly with the valve core channel and the shielding valve body; and then installing the valve core operation assembly, the sealing cover assembly, the operation cable mechanism, the sealing assembly and the like, and finally completing the installation of external structural parts, fasteners, sealing elements and the like.
During operation, firstly, the sealing cover outside the channel is opened, the transfer container is in butt joint with the shielding transfer channel, then the valve core operation assembly is rotated to enable the shielding transfer channel to be in an open state, then the steel wire rope operation hand wheel outside the channel is rotated, and the sealing cover is opened, pushed and transferred to the shielding transfer channel until the sealing cover is sent into the closed box chamber. After the transfer operation is finished, the steel wire rope operation hand wheel is rotated to close the sealing cover, the valve core operation assembly is rotated again to enable the shielding transfer channel to be in a closed state, the external transfer container is moved away, and finally the sealing cover outside the channel is closed to finish the whole operation process. During reverse transfer, the operation is carried out according to the same path and method, and the only difference is that the operation of pushing the transferred objects is changed into the operation of pulling out the transferred objects.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
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 also intended to include such modifications and variations.
Claims (10)
1. A ball valve type shielding transfer device is characterized in that the device is embedded into a wall body during installation, one end of the device is connected with a closed box chamber, the other end of the device is a butt joint and operation surface of the device, and a transfer channel is arranged in the device; the device comprises: the device comprises a shielding valve core (7), a shielding valve body (3), a valve core rotating assembly (5), a valve core installation auxiliary assembly (6), a valve core operating assembly (4), a sealing cover assembly (1), an operating cable mechanism and a sealing assembly (2) thereof; the valve core installation auxiliary assembly (6) is used for installing the shielding valve core (7) and the valve core rotating assembly (5) into the shielding valve body (3); shielding case (7) can rotate through case rotating assembly (5), and shielding valve body (3) fixed mounting is equipped with first passageway on shielding valve body (3) in the wall body, is equipped with the second passageway on shielding case (7), rotates first default position when shielding case (7) for first passageway and second passageway intercommunication are constituteed the transfer passage, case operating assembly (4) are used for driving shielding case (7) to rotate under the traction of operating cable rope, and seal cover subassembly (1) is located the other end of device, seal cover subassembly (1) are used for right the transfer passage seals up.
2. The ball valve type shielding transfer device according to claim 1, wherein the wall body is a concrete wall or a metal shielding wall.
3. The ball valve type shielding transfer device according to claim 1, wherein the shielding valve core (7) is of a cylindrical structure, a channel is formed in the radial direction of the shielding valve core (7) to serve as a second channel, channel walls are arranged on two sides of the second channel, the shielding valve core (7) can rotate around the axis of the valve core rotating assembly (5), the transfer channel is closed and conducted according to the position where the shielding valve core (7) stops rotating, and when the shielding valve core (7) rotates to enable the first channel to be communicated with the second channel, the transfer channel is conducted; when the shielding valve core (7) rotates to the channel wall corresponding to the first channel, the transfer channel is closed.
4. The ball valve type shielding transfer device according to claim 1, wherein the shielding valve core (7) is of a solid steel structure or adopts a lead-filled structure.
5. The ball valve type shielding transfer device according to claim 1, wherein the shielding valve body (3) is rectangular in shape and is used for installing the shielding valve core (7), the valve core rotating assembly (5), the valve core installation auxiliary assembly (6), the valve core operating assembly (4), the sealing cover assembly (1), the operating cable mechanism and the sealing assembly (2) thereof.
6. The ball valve shielded transfer device of claim 1, wherein the spool rotation assembly (5) comprises: go up the base of lower extreme, all be equipped with on every base: the upper end and the lower end of the shielding valve core (7) are respectively connected with the bearing, so that the shielding valve core (7) can rotate.
7. The ball valve type shielded transfer device according to claim 1, wherein the cartridge mounting aid assembly (6) is of a roller tray structure.
8. The ball valve type shielding transfer device according to claim 1, wherein the valve core operation assembly (4) is a gear pair transmission structure, and adopts an external handle operation mode for operating the shielding valve core (7) to rotate around the axis thereof, so as to realize the opening and closing of the shielding transfer channel.
9. The ball valve type shielding transfer device according to claim 1, wherein the sealing cover assembly (1) is located on one side of the closed box chamber, the clamping position of the sealing cover is realized by pressing the ball through the spring around the sealing cover in a rotating opening and closing mode, and the sealing of the shielding transfer channel is realized by the compression contact of the sealing surface of the sealing cover.
10. A ball valve shielded transfer device according to claim 1, wherein the operating cable mechanism and its sealing assembly (2) are used for opening and closing the sealing cover and for threading and sealing the rotary shaft, the transmission wheel and the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900996.4A CN110634584A (en) | 2019-09-23 | 2019-09-23 | Ball valve type shielding transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900996.4A CN110634584A (en) | 2019-09-23 | 2019-09-23 | Ball valve type shielding transfer device |
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| Publication Number | Publication Date |
|---|---|
| CN110634584A true CN110634584A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910900996.4A Pending CN110634584A (en) | 2019-09-23 | 2019-09-23 | Ball valve type shielding transfer device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1025907A1 (en) * | 1999-02-05 | 2000-08-09 | Werkstoff + Funktion Grimmel Wassertechnik GmbH | Washer for separating fine substances from coarse components with a liquid |
| CN101975655A (en) * | 2010-09-22 | 2011-02-16 | 上海交通大学 | Unsteady load simulation device |
| US20140341330A1 (en) * | 2009-05-06 | 2014-11-20 | Holtec International | Apparatus for storing and/or transporting high level radioactive waste, and method for manufacturing the same |
| CN104485144A (en) * | 2014-12-08 | 2015-04-01 | 中广核工程有限公司 | Shielding device for transferring radioactive waste bins of nuclear power plants |
| CN205277228U (en) * | 2016-01-14 | 2016-06-01 | 中国核动力研究设计院 | A hot laboratory cave shield door for highly radioactive field |
| CN105781314A (en) * | 2016-04-01 | 2016-07-20 | 中国核动力研究设计院 | Rotating opening and closing type door control device for screen doors |
| CN108389640A (en) * | 2018-02-01 | 2018-08-10 | 中国核电工程有限公司 | A kind of full-automatic shielding transfer door |
-
2019
- 2019-09-23 CN CN201910900996.4A patent/CN110634584A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1025907A1 (en) * | 1999-02-05 | 2000-08-09 | Werkstoff + Funktion Grimmel Wassertechnik GmbH | Washer for separating fine substances from coarse components with a liquid |
| US20140341330A1 (en) * | 2009-05-06 | 2014-11-20 | Holtec International | Apparatus for storing and/or transporting high level radioactive waste, and method for manufacturing the same |
| CN101975655A (en) * | 2010-09-22 | 2011-02-16 | 上海交通大学 | Unsteady load simulation device |
| CN104485144A (en) * | 2014-12-08 | 2015-04-01 | 中广核工程有限公司 | Shielding device for transferring radioactive waste bins of nuclear power plants |
| CN205277228U (en) * | 2016-01-14 | 2016-06-01 | 中国核动力研究设计院 | A hot laboratory cave shield door for highly radioactive field |
| CN105781314A (en) * | 2016-04-01 | 2016-07-20 | 中国核动力研究设计院 | Rotating opening and closing type door control device for screen doors |
| CN108389640A (en) * | 2018-02-01 | 2018-08-10 | 中国核电工程有限公司 | A kind of full-automatic shielding transfer door |
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Application publication date: 20191231 |