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Radioactive water filtering element dismounting device and transfer tool thereof

A technology for a water filter and a disassembly device is applied in the field of a radioactive water filter filter element disassembly device and its transport tool, which can solve the problems of complex device structure, high risk of overturning, large volume and weight of equipment, etc. The effect of radiation leakage and small space limitation

Pending Publication Date: 2021-07-02
SANMEN NUCLEAR POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this patent solves the problem of high radiation exposure for workers in the traditional maintenance process, the structure of the device is relatively complicated, and the equipment is relatively large in size and weight, and the risk of tipping over when transferring between different factory areas is extremely high

Method used

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  • Radioactive water filtering element dismounting device and transfer tool thereof
  • Radioactive water filtering element dismounting device and transfer tool thereof
  • Radioactive water filtering element dismounting device and transfer tool thereof

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Embodiment

[0044] Such as Figure 1~5 As shown, the present invention includes a radioactive water filter element removal device and a transfer tool for the device. Specifically, the radioactive water filter element removal device includes a shielded container 1, a filter element gripper 2, a temporary hatch cover 3 and a shielding lead blanket 4;

[0045] Such as figure 1 and figure 2 The shielding container is a cylindrical structure, the middle part of the shielding container 1 is a container body 14, a top cover 15 is provided on the top of the container body, and a base 16 is connected to the lower end of the container body. Inside the container body 14 there is a cylindrical accommodating chamber 11 arranged axially along the container body, the lower end of the accommodating chamber forms an open docking port 12 on the base, and the diameter of the accommodating chamber and the docking port is not smaller than that of the filter element Diameter; there is an upwardly protrudin...

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Abstract

The invention provides a filtering element dismounting device for a radioactive water filter. The filtering element dismounting device comprises a cylindrical shielding container, a filtering element gripping apparatus and a temporary hatch cover, the shielding container is provided with a containing cavity arranged in the axial direction of the shielding container, the containing cavity forms an open butt joint port at the lower end of the shielding container, and the containing cavity forms a gripper guide hole with the caliber smaller than that of the containing cavity at the upper end of the cylindrical shielding container. The filtering element gripping apparatus comprises a rod-shaped gripping apparatus guide part and a gripping part arranged at the lower end of the gripping apparatus guide part, the gripping apparatus guide part is connected with the gripping apparatus guide hole in a sliding fit manner, and the gripping part is arranged in the containing cavity; and the temporary hatch cover is provided with a middle interface corresponding to the butt joint interface. When the filtering element is detached, the radiation dosage borne by workers can be effectively reduced, the efficiency of the detaching process is high, and a large amount of operation time can be saved.

Description

technical field [0001] The invention relates to a dismantling device for a filter element of a radioactive water filter and a transfer tool thereof, and belongs to the field of dismantling and transferring of radioactive components of a nuclear power plant. Background technique [0002] The radioactive water filter is one of the very important equipments of the nuclear power plant. As a filter device for the radioactive water circuit of the nuclear power plant, it plays the role of filtering the corrosion and activation products, fission products and other granular impurities of the primary circuit and its auxiliary system. The radioactive water filter element needs to be replaced after one cycle of operation or high pressure difference alarm before and after the filter. After being transported across multiple workshops, it is stored in the waste filter element storage pool. [0003] After long-term operation of nuclear power plants, the corrosion and activation products of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21F5/14G21F5/06G21F5/12
CPCG21F5/14G21F5/06G21F5/12
Inventor 赵得欢赵文炳董宝泽金飞王斌元郭科科卢净高震常宏斌陶威名白玉栋于兴涛陆建华
Owner SANMEN NUCLEAR POWER CO LTD
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