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UF6 gas leakage detecting, sample and monitoring device and method thereof

A sampling device and gas technology, applied in the field of UF6 gas leak detection sampling monitoring device, can solve the problems of observation and monitoring, UF6 leakage failure, etc., and achieve the effect of preventing serious accidents

Pending Publication Date: 2017-07-07
CNNC JIANZHONG NUCLEAR FUEL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: in the prior art, the UF produced in the gasification tank 6 Leaks cannot be directly observed and monitored from the outside

Method used

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  • UF6 gas leakage detecting, sample and monitoring device and method thereof

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Embodiment Construction

[0020] In the following, in conjunction with the drawings and embodiments, a UF of the present invention 6 The gas leak detection sampling monitoring device and method are described in detail.

[0021] When the gas uranium hexafluoride encounters water, the following reactions occur:

[0022] UF 6 +H 2 O→UO 2 F 2 +4HF

[0023] The reaction will be completed in a very short time, and a large number of positive and negative ions are generated in the solution, which will inevitably lead to a sharp rise in the conductivity of water.

[0024] UF of the present invention 6 Gas leak detection sampling device such as figure 1 As shown, it includes: the tank body 1, the air inlet 2, the overflow port 3, the air outlet 4, the deionized water injection port 5, the organic glass window 6 and the conductivity probe 7.

[0025] The tank body 1 is a cylindrical tank body, the air inlet 2 is provided at the lower part of the tank body 1, and the air inlet 2 is connected to the UF 6 The gas sampling pi...

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Abstract

The invention belongs to the technical field of a nuclear fuel element manufacturing, and particularly relates to a UF6 gas leakage detecting, sample and monitoring device and a method thereof. The device comprises a tank body (1), an air inlet (2), an overflow opening (3), an exhaust opening (4), a de-ionized water filling opening (5), an organic glass window (6), and a conductivity testing head (7). The UF6 gas monitoring method includes steps of step 1, gas sampling; step 2, conductivity monitoring; step 3, regular check. The device and the method solve the problems that the UF6 leakage in a gasifying tank cannot be directly observed and monitored from outer part in the prior art; the device and the method can directly observe and monitor the UF6 leakage happened in the gasifying tank, timely report an alarm and prevent serious accident.

Description

Technical field [0001] The invention belongs to the technical field of nuclear fuel element manufacturing, and specifically relates to a UF 6 Gas leak detection sampling monitoring device and method. Background technique [0002] Preparation of UO by dry process 2 Powder production is by combining solid UF 6 Heat, pass into the reformer, react under certain conditions, and finally make UO after special treatment 2 powder. [0003] Of which solid UF 6 The heating and gasification process is to install UF 6 The solid container is sent to a sealed gasification tank for heating. After reaching a certain temperature and pressure, the valve is opened to remove the UF 6 The gas is passed into the reformer for reaction. [0004] Due to UF 6 The gas is highly dangerous and will have bad effects once a large amount of leakage. In the production process, if UF 6 Leaking outside the gasification tank will react violently with water vapor in the air. The phenomenon is obvious and there are many ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/22G01M3/40
CPCG01M3/40G01N1/22
Inventor 皮晓涛代勇张程鲁博祥文鹏程张宇航安东
Owner CNNC JIANZHONG NUCLEAR FUEL
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