Method and equipment for volume reduction treatment of low-radioactivity waste circular filters

A low-radioactivity filter technology, which is applied to the equipment and field for reducing the volume of low-radioactivity waste circular filters, can solve the problems of high disposal costs, large storage volume, and large storage space, and improve compression efficiency , to ensure cleanliness and improve the sealing effect

Active Publication Date: 2017-06-27
HENAN HEJING CLEANING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For low-radioactive waste round filters, domestic nuclear industry units simply pack radioactive waste round filters into 200L standard waste barrels for storage. A standard R series round filter (dimensions: φ518× 624), a standard waste bin can only hold one round filter, the storage volume is large and takes up a lot of storage space
In addition, according to relevant information, it costs 70,000 yuan to dispose of a 200L standard waste bin equipped with an R-series circular filter, which is expensive.

Method used

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  • Method and equipment for volume reduction treatment of low-radioactivity waste circular filters
  • Method and equipment for volume reduction treatment of low-radioactivity waste circular filters

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] a. Transfer to the compression station: the waste circular filter 2 to be compressed with an external dimension of φ518mm×624mm is transferred to the compression station at the center of the working table at the bottom of the hydraulic press 4 via the roller table 1.

[0039] b. Position limit and package: close the isolation door I3-1 located at the entrance of the hydraulic machine 4, and the isolation door I3-1 cooperates with the isolation door II3-2 closed at the outlet of the hydraulic machine 4 to make the hollow inner cavity of the hydraulic machine 4 form an airtight space chamber; adjust the working pressure of the hydraulic press 4 to be 560KN; start the limit oil cylinder 14, the cylinder rod of the limit oil cylinder 14 moves down vertically, and the limit tube 7 connected to the output end of the limit oil cylinder 14 moves vertically down thereupon, and the The compressed waste circular filter 2 is limited and wrapped in the inner cavity of the limit cylin...

Embodiment 2

[0048] a. Transfer to the compression station: the waste round filter 2 to be compressed with an external dimension of φ518mm×335mm is transferred to the compression station at the center of the working table at the bottom of the hydraulic press 4 via the roller table 1.

[0049] b. Position limit and package: close the isolation door I3-1 located at the entrance of the hydraulic machine 4, and the isolation door I3-1 cooperates with the isolation door II3-2 closed at the outlet of the hydraulic machine 4 to make the hollow inner cavity of the hydraulic machine 4 form an airtight space cavity; adjust the working pressure of the hydraulic press 4 to be 360KN; start the limit oil cylinder 14, the cylinder rod of the limit oil cylinder 14 moves down vertically, and the limit tube 7 connected to the output end of the limit oil cylinder 14 moves vertically down thereupon, and the The compressed waste circular filter 2 is limited and wrapped in the inner cavity of the limit cylinder ...

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Abstract

The invention discloses a method and equipment for volume reduction treatment of low-radioactivity waste circular filters. The method includes: transferring a to-be-compressed waste circular filter to a compression station, and adopting a limiting oil cylinder for driving a limiting barrel to vertically move downwards so as to limit and wrap the to-be-compressed waste circular filter in an inner cavity of the limiting barrel; adopting a main cylinder of a hydraulic press for driving a compression plate to press downwards vertically to downwardly compress the waste circular filter into a cake shape; pushing to a discharging station at the bottom surface of a cavity of a receiving glove box by a pushing device; after a clamping device clamps, allowing an isolation device to horizontally move away from a circular discharging hole, so that the waste circular filter is vertically discharged into a lining seal bag in a cavity of a waste bucket; after the cavity of the waste bucket is full, performing sealing, packaging, transferring and storing. The compression volume reduction ratio is high, storage volumes of the waste circular filters are greatly reduced, and aftertreatment cost is reduced. In addition, the method and the equipment have advantages of high automation degree, high efficiency, safety, energy saving, environmental friendliness and the like.

Description

technical field [0001] The invention relates to a device and method for volume reduction treatment of decommissioned low-radioactive waste circular filters in nuclear air and gas treatment systems, and is suitable for treating specific activity less than or equal to 4×10 6 Bq / kg (GB 9133-1995, that is, radioactive solid waste Class I) waste circular filter. Background technique [0002] In accordance with the country's long-term plan to develop clean nuclear energy and expand the nuclear industry, with the rapid development of nuclear power technology, filters used in nuclear facilities, especially low-radioactive waste filters, are being decommissioned and piled up in large quantities. For low-radioactive waste round filters, domestic nuclear industry units simply pack radioactive waste round filters into 200L standard waste barrels for storage. A standard R series round filter (dimensions: φ518× 624), a standard waste bucket can only hold a circular filter, which has a la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21F9/36G21F9/30
CPCG21F9/30G21F9/36
Inventor 王战胜邹涤李西峰李玉玲王勇卢岩曾心耀
Owner HENAN HEJING CLEANING TECH
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