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A treatment method for radioactive waste

A radioactive waste and treatment method technology, applied in the field of radioactive waste treatment, can solve the problem of occupying the space of a large nuclear waste yard

Active Publication Date: 2021-04-23
航天国环技术集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method has been developed for decades, although the technology is very mature, but it needs to occupy a lot of nuclear waste storage space

Method used

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  • A treatment method for radioactive waste
  • A treatment method for radioactive waste

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Embodiment 1

[0035] This embodiment provides a treatment method for radioactive waste, which is mainly applied to the treatment of relatively fine particles such as solid radioactive waste powder, such as figure 1 As shown, the processing method includes the following steps:

[0036] S1, start the spray device 2 in the feed tower 1, and run it for 1-2 minutes in advance to keep the humid environment in the feed tower;

[0037] S2. The radioactive waste powder is fed through the feed port 11, and the radioactive waste powder is fully mixed with the weakly alkaline absorption solution sprayed from the spray device 2, so that the acidic components in the radioactive waste powder and the weakly alkaline absorption solution After the reaction is absorbed, the composition and concentration of the weakly alkaline absorbing solution can be determined according to the main components of the radioactive waste powder. Most of the radioactive waste powder is captured by the weakly alkaline absorbing s...

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Abstract

The present invention discloses a method of dealing with radioactive waste, involving the field of radioactive waste treatment, including the spray device in the inlet tower; sending radioactive waste powder through the inlet port, and the weakness sprayed from the spray device from the spray device.The alkaline absorption solution is fully mixed, and most of the radioactive waste powder is captured and flowing into the liquid tank by weak alkaline absorption solution; a few radioactive waste that has not been captured into the heating drying device through the spiral pusher;After heating and drying, it is discharged through the exit of the solid residue; the radioactive and cymbal and boron detection devices are detected to the solution in the liquid tank.The boron concentration and radioactive concentration solution enters the high concentration processing device, medium concentration processing device and low concentration processing device for processing to achieve the emission level.The present invention realizes the reduction and harmless treatment of radioactive waste.

Description

technical field [0001] The invention relates to the technical field of radioactive waste treatment, in particular to a radioactive waste treatment method. Background technique [0002] In order to solve the increasingly serious energy problem, on the premise of ensuring safety and reliability, relevant state departments are steadily promoting the construction and use of nuclear power plants. How to effectively deal with radioactive waste while minimizing the volume of radioactive waste has always been an unsolved problem in countries all over the world. [0003] The radioactivity of radioactive waste cannot be eliminated by general physical, chemical and biological methods, and can only be reduced by the decay of radionuclides themselves. When the radiation emitted by radioactive waste passes through the material, ionization and excitation will occur, which will cause radiation damage to organisms. Radioactive nuclides in radioactive waste release energy through decay. Whe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21F9/30G21F9/34G21F9/12
CPCG21F9/12G21F9/30G21F9/34
Inventor 郑先强
Owner 航天国环技术集团有限公司
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