CN214226534U - Filter element replacing and transferring tool for radioactive water filter - Google Patents
Filter element replacing and transferring tool for radioactive water filter Download PDFInfo
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- CN214226534U CN214226534U CN202120178139.0U CN202120178139U CN214226534U CN 214226534 U CN214226534 U CN 214226534U CN 202120178139 U CN202120178139 U CN 202120178139U CN 214226534 U CN214226534 U CN 214226534U
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Abstract
The utility model relates to the technical field of maintenance of radioactive water filters, in particular to a filter element replacing and transferring tool of a radioactive water filter, which comprises a shielding container and a transport vehicle; the shielding container comprises a base, and an axial through hole allowing the filter element to move up and down is formed in the base; the base is also provided with a radial notch, one end of the radial notch is communicated with the axial through hole, and the other end of the radial notch extends to the edge of the base; the drawer is inserted into the radial notch and is provided with a wrench which extends from the inside of the drawer to the outside of the base; the base is positioned at the top of the radial notch, and a guide opening allowing the wrench to move along the radial direction is formed in the base; the axial bottom end of the cylinder is connected with the top of the base, and the cylinder opening of the cylinder is butted with the axial through hole; the top cover is detachably connected with the axial top end of the barrel through a barrel flange. The utility model provides a filter core is changed and is transported instrument simple structure, small for the filter core is changed and is transported the operation very portably, has improved the filter core and has transported efficiency.
Description
Technical Field
The utility model relates to a radioactive water filter overhauls technical field, specifically is a radioactive water filter core is changed and transport instrument.
Background
The radioactive water filter is one of the most important devices of the nuclear power plant, and is used as a filtering device of a radioactive water loop of the nuclear power plant and plays a role in filtering corrosion activation products, fission products and other granular impurities of the loop and an auxiliary system of the loop. The radioactive water filter element needs to be replaced after running for a period or alarming of high pressure difference before and after the filter, and the waste filter element needs to be stored in a waste filter element storage pool after being transported across a plurality of plants.
The filter element gripping apparatus and the shielding container of the existing radioactive water filter are generally integrated, and have large volume and complex structure, so that the requirement on the space of a factory building is high, the filter element is easy to topple in the transferring process, the safety is poor, the difficulty of the integral transferring operation is high, and the transferring efficiency is low; in addition, the structure of the existing shielding container is also complex, and the transferring efficiency of the filter element is further low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists, provide a radiowater filter core change and transportation instrument easy and simple to handle, transport efficiently, the security is high.
The utility model provides a technical scheme that its technical problem adopted is: a radioactive water filter element replacing and transferring tool comprises a shielding container and a transport vehicle;
the shielding container comprises
The base is provided with an axial through hole which allows the filter element to move up and down; the base is also provided with a radial notch, one end of the radial notch is communicated with the axial through hole, and the other end of the radial notch extends to the edge of the base;
the drawer is inserted into the radial notch and is provided with a wrench which extends from the inside of the drawer to the outside of the base; the base is positioned at the top of the radial notch, and a guide opening allowing the wrench to move along the radial direction is formed in the base;
the axial bottom end of the cylinder is connected with the top of the base, and the cylinder opening of the cylinder is butted with the axial through hole;
the top cover is detachably connected with the axial top end of the cylinder through a cylinder flange;
the transport vehicle comprises
And the top of the vehicle body is provided with a shielding container support and a shielding container locking block which are detachably connected with the base.
The filter element replacing and transferring tool is simple in structure and small in size, so that the filter element replacing and transferring operation is very simple and convenient, and the filter element transferring efficiency is improved; and the shielding container can be in spacing connection with the transport vechicle in the transportation, is difficult for taking place to tumble, and the security is high.
Preferably, the shielding device further comprises a temporary shielding frame, wherein the temporary shielding frame comprises at least two shielding frame bodies which are arranged in an arc shape, and the tops of the shielding frame bodies are provided with hooks; and the axial top end of the barrel is provided with a hanging frame which is matched and connected with the hook.
Preferably, two adjacent shielding frame bodies are detachably connected through a limiting connecting piece.
Preferably, the cylinder comprises an inner cylinder, an outer cylinder and a lead pouring layer arranged between the inner cylinder and the outer cylinder.
Preferably, a locking structure which is connected with a wrench in a matched mode is arranged at one end, close to the axial through hole, of the guide opening of the base.
Preferably, an auxiliary moving structure is arranged between the drawer and the radial notch.
Preferably, the top cover is provided with a gripper supporting frame body and a gripper guide body arranged inside the gripper supporting frame body.
Preferably, the top of the top cover is provided with a lifting lug.
Preferably, the transportation vehicle further includes a handlebar connected to the vehicle body, and the handlebar is provided with a hand brake.
Preferably, the transport vehicle further comprises a universal wheel with a parking foot brake, wherein the universal wheel is connected with the bottom of the vehicle body.
Advantageous effects
The utility model provides a filter core is changed and is transported instrument simple structure, small for the filter core is changed and transport the operation very portably, has improved the filter core and has transported efficiency, and the filter core is changed and is transported instrument radiation protection performance of this application is good in addition, can reduce about 60% radiation dose during staff's operation, and the security performance is high, can effectively avoid shielding container to take place to tumble.
Drawings
FIG. 1 is a schematic structural view of a shielding container of the present application;
fig. 2 is a schematic structural view of a shielding frame body of the temporary shielding frame of the present application;
FIG. 3 is a schematic structural view of a transport vehicle according to the present application;
fig. 4 is a schematic structural diagram of a drawer according to the present application.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 3 in combination with fig. 4, the radioactive water filter cartridge replacing and transferring tool comprises a shielding container and a transport cart, wherein the shielding container comprises a base 14, a drawer 13, a barrel body and a top cover 4, and the transport cart comprises a cart body.
The base 14 is provided with an axial through hole allowing the filter element 10 to move up and down, and the base 14 is further provided with a radial notch, one end of which is communicated with the axial through hole, and the other end of which extends to the edge of the base 14.
The axial bottom end of the cylinder body is connected with the top of the base 14, and the cylinder opening of the cylinder body is butted with the axial through hole. The barrel comprises an inner barrel 9, an outer barrel 7 and a lead pouring layer 8 arranged between the inner barrel 9 and the outer barrel 7, and the shielding container can have good radiation-proof performance through the arrangement of the double-layer barrel and the lead pouring layer 8.
The top cap 4 through barrel flange 5 with the axial top dismantlement formula of barrel is connected, makes things convenient for the instrument to maintain and safeguard the maintenance. The top cover 4 is provided with a gripping apparatus supporting frame body 3 and a gripping apparatus guide body 2 arranged inside the gripping apparatus supporting frame body 3. The setting of gripping apparatus support frame body 3 and gripping apparatus guide body 2 is convenient for the gripping apparatus location installation and is being snatched the filter core in-process and lead for the gripping apparatus, can improve the success rate that the filter core was snatched to the gripping apparatus. After the filter element is successfully grabbed, part of the grabbers can be left on the grabber supporting frame body 3 and used for supporting the filter element in the transferring process. The top of the top cover 4 is provided with a lifting lug 1 for hoisting the shielding container.
A drawer 13 is inserted in said radial slot and is provided with a wrench 12 extending from the inside of the drawer 13 to the outside of the base 14. The base 14 is provided with a guide opening at the top of the radial slot opening for allowing the wrench 12 to move along the radial direction. The drawer 13 can be extracted from the radial slot by means of the wrench 12 until the drawer 13 is offset from the axial through hole, so that the filter cartridge 10 can enter/leave the inner cavity of the cartridge from the axial through hole; still can insert drawer 13 to making drawer 13 and axial perforation coincidence from radial notch through spanner 12, can play the closure effect on the one hand, and on the other hand can collect the radioactive waste water of not accuse dry in the filter core 10, has improved shielding container's security and transportation effect.
The base 14 is provided with a locking structure which is matched and connected with the wrench 12 at one end of the guide opening close to the axial through hole. When the drawer 13 is inserted into the innermost part of the radial slot, the wrench 12 is just positioned at the innermost end of the guide opening, at the moment, the wrench 12 can be rotated to connect and fix the wrench 12 and the locking structure, so that the drawer 13 and the base 14 are connected and fixed, the drawer 13 is prevented from being opened accidentally, and the safety performance of the shielding container is improved. The locking structure may include a magnetic attraction body disposed on the sidewall of the guiding opening of the base 14, and a magnetic attraction abutting body is disposed on the wrench rod of the wrench 12. When the wrench 12 rotates to a certain angle, the magnetic attraction abutting body on the wrench 12 is staggered with the magnetic attraction body on the base 14, the wrench 12 is separated from the base 14, and the wrench 12 can drive the drawer 13 to be drawn out of/inserted into the radial notch; when the wrench 12 rotates to another angle, the magnetic attraction abutting body on the wrench 12 and the magnetic attraction body on the base 14 are just overlapped and connected, and the wrench 12 and the base 14 are connected and fixed, so that the drawer 13 is limited and fixed in the radial notch. An auxiliary moving structure is arranged between the drawer 13 and the radial notch. The auxiliary moving structure can be a ball groove arranged in the radial groove opening and a ball arranged in the ball groove, the side wall and the bottom of the drawer 13 move relative to the base 14 through the ball, and the drawing and inserting convenience of the drawer 13 is improved.
The top of the vehicle body is provided with a shielding container support 19 and a shielding container locking block 20 which are detachably connected with the base 14. Before transferring, the base 14 of the shielding container is firstly placed on the shielding container support 19 and the shielding container locking block 20, and then the shielding container is clamped and limited by the rotary wrench of the shielding container locking block 20, so that the shielding container is prevented from being tilted in the transferring process, and the safety of the transferring process is improved. When the shielding container is required to be taken down from the transport vehicle, only the rotary wrench of the locking block 20 of the shielding container needs to be rotated, so that the operation is very simple and convenient, and the transferring efficiency of the filter element is high.
The transport vechicle still include with the hand (hold) of car body connection, the hand (hold) is equipped with manual brake 18, can be used for emergency braking under the emergency during transit, has improved the security performance of transport vechicle. The transport vechicle still include with the universal wheel 21 that has the parking service brake that the automobile body bottom is connected, after the transport vechicle reachd the station, through the braking of parking service brake with the transport vechicle, prevent that the swift current car phenomenon from appearing in the transport vechicle, further improved the security performance of transport vechicle.
As shown in fig. 2, the temporary shielding rack further comprises at least two shielding rack bodies 17 which are arranged in an arc shape and provided with hooks 16 at the tops. And the axial top end of the barrel is provided with a hanging rack 6 which is matched and connected with the hook 16. When the radiation of a certain filter element is very high, the temporary shielding frame can be hung on the hanging frame 6 of the barrel body only when the barrel body can not effectively shield, the radiation-proof performance of the shielding container can be improved through the temporary shielding frame, and the safety of filter element transfer is further improved.
Two adjacent shielding support bodies 17 are detachably connected through a limiting connecting piece. Can connect whole shielding support body 17 fixedly through spacing connecting piece, improve the overall stability of interim shielding frame, and then improve shielding container's security performance once more. The limiting connecting piece can be a buckle, an adhesive tape and a hoop, and the application does not limit the specific structure of the limiting connecting piece.
The filter core of this application is changed and is transported the instrument concrete use as follows: firstly, the base 14 of the shielding container is fixedly connected with the shielding container support 19 and the shielding container locking block 20 of the transport vehicle, then the shielding container is transported to an overhauling station through the transport vehicle, and then the direction of the transport vehicle is locked through a parking service brake. And secondly, firstly, pulling open the rotary wrench of the locking block 20 of the shielding container to loosen the shielding container from the transport vehicle, then measuring radiation parameters of the filter element of the radioactive water filter, determining whether a temporary shielding frame needs to be installed, and if the temporary shielding frame needs to be installed, hanging the shielding frame body 17 on the hanging frame 6 through the hook 16 and connecting and fixing the shielding frame body 17 through a limiting connecting piece. And thirdly, connecting the lifting appliance with the lifting lug 1 of the shielding container, lifting the shielding container above the filter module through the lifting appliance, and completing centering with the filter module. Fourthly, firstly, the wrench 12 is rotated to loosen the drawer 13 from the radial notch, then the drawer 13 is drawn out from the radial notch until the drawer 13 is staggered with the axial through hole, and then the filter element grabbing operation is completed through the grabbing tool. Fifthly, the filter element is lifted to the inside of the cylinder of the shielding container, the filter element is positioned on the gripping apparatus supporting frame body 3 through part of the gripping apparatus, and finally the drawer 13 is inserted into the drawer 13 from the radial notch to be coincided with the axial through hole and the wrench 12 is rotated to enable the drawer 13 to be in limit connection with the radial notch. And sixthly, hoisting the shielding container to a shielding container support 19 and a shielding container locking block 20 of the transport vehicle through a lifting appliance, rotating a rotating wrench of the shielding container locking block 20 to enable the shielding container to be limited and fixed with the transport vehicle, finally releasing a parking foot brake of the universal wheel 21, and transferring the transport vehicle to a filter element storage station.
The utility model provides a filter core is changed and is transported instrument simple structure, small for the filter core is changed and transport the operation very portably, has improved the filter core and has transported efficiency, and the filter core is changed and is transported instrument radiation protection performance of this application is good in addition, can reduce about 60% radiation dose during staff's operation, and the security performance is high, can effectively avoid shielding container to take place to tumble.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (10)
1. The utility model provides a radioactive water filter core is changed and transport instrument which characterized in that: comprises a shielding container and a transport vehicle;
the shielding container comprises
A base (14) provided with an axial through hole allowing the filter element (10) to move up and down; the base (14) is also provided with a radial notch, one end of the radial notch is communicated with the axial through hole, and the other end of the radial notch extends to the edge of the base (14);
the drawer (13) is inserted into the radial notch and is provided with a wrench (12) extending from the inside of the drawer (13) to the outside of the base (14); the base (14) is provided with a guide opening which is positioned at the top of the radial notch and allows the wrench (12) to move along the radial direction;
the axial bottom end of the cylinder is connected with the top of the base (14), and the cylinder opening of the cylinder is butted with the axial through hole;
the top cover (4) is detachably connected with the axial top end of the cylinder body through a cylinder body flange (5);
the transport vehicle comprises
The top of the vehicle body is provided with a shielding container support (19) and a shielding container locking block (20) which are detachably connected with the base (14).
2. A radioactive water filter cartridge changing and transferring tool according to claim 1, wherein: the shielding device is characterized by also comprising a temporary shielding frame, wherein the temporary shielding frame comprises at least two shielding frame bodies (17) which are arranged in an arc shape and provided with hooks (16) at the tops; and a hanging rack (6) which is matched and connected with the hook (16) is arranged at the axial top end of the cylinder body.
3. A radioactive water filter cartridge changing and transferring tool according to claim 2, wherein: two adjacent shielding frame bodies (17) are detachably connected through a limiting connecting piece.
4. A radioactive water filter cartridge changing and transferring tool according to claim 1, wherein: the barrel comprises an inner barrel (9), an outer barrel (7) and a lead pouring layer (8) arranged between the inner barrel (9) and the outer barrel (7).
5. A radioactive water filter cartridge changing and transferring tool according to claim 1, wherein: and a locking structure which is matched and connected with the wrench (12) is arranged at one end, close to the axial through hole, of the guide opening of the base (14).
6. A radioactive water filter cartridge changing and transferring tool according to claim 1, wherein: an auxiliary moving structure is arranged between the drawer (13) and the radial notch.
7. A radioactive water filter cartridge changing and transferring tool according to claim 1, wherein: the top cover (4) is provided with a gripping apparatus supporting frame body (3) and a gripping apparatus guiding body (2) arranged inside the gripping apparatus supporting frame body (3).
8. A radioactive water filter cartridge changing and transferring tool according to claim 1, wherein: the top of the top cover (4) is provided with a lifting lug (1).
9. A radioactive water filter cartridge changing and transferring tool according to claim 1, wherein: the transport vehicle further comprises a handle connected with the vehicle body, and a hand brake (18) is arranged on the handle.
10. A radioactive water filter cartridge changing and transferring tool according to claim 1, wherein: the transport vehicle also comprises a universal wheel (21) which is connected with the bottom of the vehicle body and is provided with a parking foot brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120178139.0U CN214226534U (en) | 2021-01-22 | 2021-01-22 | Filter element replacing and transferring tool for radioactive water filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120178139.0U CN214226534U (en) | 2021-01-22 | 2021-01-22 | Filter element replacing and transferring tool for radioactive water filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214226534U true CN214226534U (en) | 2021-09-17 |
Family
ID=77690560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120178139.0U Active CN214226534U (en) | 2021-01-22 | 2021-01-22 | Filter element replacing and transferring tool for radioactive water filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214226534U (en) |
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2021
- 2021-01-22 CN CN202120178139.0U patent/CN214226534U/en active Active
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