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Dry glove box aerosol monitoring system and dry glove box aerosol monitoring method

A monitoring system and aerosol technology, applied in the field of high-temperature molten salt metallurgy, can solve the problems of inability to online synchronous continuous measurement, insufficient air tightness, and atmosphere damage in dry glove boxes, and achieve easy decontamination, fast and convenient installation, and improved performance. The effect of maintenance life

Inactive Publication Date: 2018-08-24
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current technology has insufficient airtightness, the atmosphere in the dry glove box is often destroyed, and online synchronization and continuous measurement cannot be performed.

Method used

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  • Dry glove box aerosol monitoring system and dry glove box aerosol monitoring method
  • Dry glove box aerosol monitoring system and dry glove box aerosol monitoring method
  • Dry glove box aerosol monitoring system and dry glove box aerosol monitoring method

Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0083] When handling plutonium dioxide subpackages, the aerosol concentration in the dry glove box is about 10 0.5 hours after the start of weighing. 4 Bq / m 3 , the aerosol concentration in the room is about 0.01Bq / m 3 , the water and oxygen content in the dry glove box are less than 1ppm.

experiment example 2

[0085] Using the same conditions as in Example 1, the aerosol concentration in the dry glove box was about 10 in 1 hour after weighing. 3 Bq / m 3 , the aerosol concentration in the room is about 0Bq / m 3 , water and oxygen content are less than 1ppm.

experiment example 3

[0087] Utilize the same condition of embodiment 1, the aerosol concentration in the dry method glove box is about 10 in 1.5 hours after starting to weigh. 2 Bq / m 3 , the aerosol concentration in the room is about 0Bq / m 3 , water and oxygen content are less than 1ppm.

[0088] From the results of the above examples, it can be concluded that this set of monitoring system and method can effectively realize the function of continuous aerosol monitoring without destroying the atmosphere in the dry glove box, and has good air tightness and accurate measurement data.

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Abstract

The invention belongs to the technical field of high-temperature molten salt metallurgy, and particularly relates to a dry glove box aerosol monitoring system and a dry glove box aerosol monitoring method. The dry glove box aerosol monitoring system comprises a dry glove box, a purge gas supply system, an enclosing glove box, an aerosol monitor and a wind discharge system. According to the presentinvention, the dry glove box is the main operation glove box with characteristics of relatively large volume and more operation working positions; the enclosing glove box is specially used for placing instruments; and the design of the enclosing glove box is used, the pipelines adopt corrugated pipes, and the joints use the vacuum flange joint and the 1 / 2 quick joint, such that the whole set of the equipment is quick and convenient to install, the sealing of each component is achieved, the room environment (the aerosol concentration is less than 2*10<-2>Bq / m<3>) with the system inside remainsthe unchanged state, and the life safety of the workers is ensured to the greatest extent.

Description

technical field [0001] The invention belongs to the technical field of high-temperature molten salt metallurgy, and in particular relates to a dry glove box aerosol monitoring system and a monitoring method. Background technique [0002] The research system of post-processing is high-temperature molten salt system, which mainly involves the high-temperature operation of uranium and plutonium metals with strong chemical activity and chloride molten salts with strong water absorption. Under high temperature conditions, uranium and plutonium metals are easily mixed with air The water and oxygen react chemically. In addition, the absorption of water by chloride molten salt will also increase the difficulty and danger of high temperature operation, and cause the hydrolysis of uranium and plutonium, thereby reducing the yield and purity of uranium and plutonium. [0003] Research on the preparation of plutonium metal by using plutonium dioxide as raw material. The research objec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00G01T1/178
CPCG01N33/0009G01T1/178
Inventor 张凯何辉林如山陈辉孟照凯王长水宋鹏贾艳虹
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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