Second-generation nuclear power station spent fuel storage cadmium rack disassembly equipment

A technology for dismantling equipment and spent fuel, which is applied in the field of spent fuel processing equipment and can solve problems such as dismantling of dismantling equipment without a cadmium grid

Inactive Publication Date: 2020-10-23
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, there is no dedicated cadmium grid dismantling equipment for the dismantling of cadmium grids

Method used

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  • Second-generation nuclear power station spent fuel storage cadmium rack disassembly equipment
  • Second-generation nuclear power station spent fuel storage cadmium rack disassembly equipment
  • Second-generation nuclear power station spent fuel storage cadmium rack disassembly equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] like Figure 1 to Figure 3 As shown, the dismantling equipment for the spent fuel storage cadmium grid of the second-generation nuclear power plant includes a support platform 1 for supporting the cadmium grid and dismantling parts installed on the support platform 1;

[0036] The disassembled parts include a wrench 3 and a drilling and milling power head 2;

[0037] The drilling and milling power head 2 includes a drill bit and a milling cutter that can work independently;

[0038] The wrench 3, the drill bit and the milling cutter are respectively connected with driving mechanisms for driving their respective work.

[0039] For the dismantling of cadmium grids, in the prior art, since there are no special tools or equipment, the dismantling of cadmium grids is mainly done manually, which leads to the corresponding dismantling personnel being in a radiation environment. It is beneficial to the health of dismantling personnel, and the corresponding protective measures...

Embodiment 2

[0045] The present embodiment is further limited on the basis of embodiment 1, as Figure 1 to Figure 3 As shown, in order to facilitate the judgment of the bolt seizure situation, to protect the dismantling equipment and to quickly replace the bolt removal method if necessary: ​​switch from loosening the wrench 3 to drilling with the drill bit or using the drill bit to apply torque for bolt removal, It is set to: a detection mechanism for detecting the output torque of the wrench 3 is also included. In specific use, the wrench 3 can be an electric wrench, a pneumatic wrench, a hydraulic wrench, etc. The specific torque detection can be done indirectly by using the detection of the parameters of the wrench drive power supply, the detection of the parameters of the air pressure source, and the detection of the parameters of the hydraulic pressure source. Take advantage of the strain on the wrench for direct access.

[0046] As a technical solution to facilitate automatic work,...

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PUM

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Abstract

The invention discloses second-generation nuclear power station spent fuel storage cadmium rack disassembly equipment. The equipment comprises a supporting platform which is used for supporting a cadmium rack and a disassembly component which is installed on the supporting platform; the disassembly component comprises a wrench and a drilling and milling power head; the drilling and milling power head comprises a drill bit and a milling cutter which can independently operate; and driving mechanisms are connected with the wrench, the drill bit and the milling cutter and respectively drive the wrench, the drill bit and the milling cutter to work. By using the disassembly equipment to complete disassembly of the cadmium rack, radiation on operators can be reduced, and reduction of the amount of waste and lowering of following waste disposal costs can be realized to the greatest extent.

Description

technical field [0001] The invention relates to the technical field of spent fuel processing equipment, in particular to a second-generation nuclear power plant spent fuel storage cadmium grid dismantling equipment. Background technique [0002] With the operation of the second-generation nuclear power plants in China, the spent fuel pools of most of the units are close to full capacity. At the same time, the spent fuel reprocessing plants cannot receive the spent fuel produced by each nuclear power plant at this stage. In order to improve the storage capacity of the spent fuel pools of nuclear power plants, It has become an inevitable trend to intensify the transformation of storage racks on the basis of the original spent fuel pool. When carrying out high-intensity transformation of spent fuel pools, it is necessary to remove part of the existing cadmium grids in the spent fuel pools. The cadmium grids after dismantling have a certain level of radioactivity, and the measur...

Claims

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Application Information

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IPC IPC(8): B25B27/14G21C19/07
CPCB25B27/14G21C19/07Y02E30/30
Inventor 刘荣李成业邹森周忠政何子昂廖泽军邓鹏宇吴伟林锘涵廖佳涛孙宇尤益辉王万金胡胜刘懋袤
Owner NUCLEAR POWER INSTITUTE OF CHINA
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