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System and method applicable to uranium hexafluoride liquefaction and sample distribution

A uranium hexafluoride and sample technology, which is applied in the system field of UF6 liquefaction and sample separation, can solve the problems of low sample separation efficiency and low stability, improve sample separation efficiency, save sample separation time, and reduce labor intensity effect

Inactive Publication Date: 2019-07-05
CHINA NAT NUCLEAR URANIUM ENRICHMENT
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  • Abstract
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Problems solved by technology

[0004] The technical problem to be solved in the present invention is: the liquefaction sampling device and method of UF6 in the prior art have low system stability and low sampling efficiency

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  • System and method applicable to uranium hexafluoride liquefaction and sample distribution
  • System and method applicable to uranium hexafluoride liquefaction and sample distribution
  • System and method applicable to uranium hexafluoride liquefaction and sample distribution

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Embodiment Construction

[0031] A system and method suitable for liquefaction and sampling of UF6 according to the present invention will be described in detail below with reference to the drawings and examples.

[0032] Such as Figure 8 As shown, a system of the present invention suitable for liquefaction and sample separation of UF6 includes a sample storage channel, a pressure gauge, an oven, a channel residual sample collection container (1 liter container), Φ3 valve F7, Φ3 valve F8 and Φ3 Bottom flange adapter. The pressure gauge, oven, channel residual sample collection container (1 liter container), and Φ3 valve F7 are respectively connected to different ports of the sample storage channel, and Φ3 valve F7 passes through Figure 4 The elbow connector shown is connected to the Φ3 valve bottom flange transition head, the Φ3 valve bottom flange transition head is installed with the Φ3 valve F8, and the Φ3 valve F8 and the two sample sampling ports pass through respectively Image 6 The sampling...

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Abstract

The invention belongs to the technical field of analysis, detection and metering and relates to a system and method applicable to uranium hexafluoride liquefaction and sample distribution. According to the system, a pressure gauge, a drying oven, a channel residual sample collection container and a phi3 valve F7 are respectively connected with the different interfaces of a sample storage channel;the phi3 valve F7 is connected with a phi3 valve bottom flange transition head through a bend connecting piece; a phi3 valve F8 is installed on the phi3 valve bottom flange transition head; the phi3 valve F8 is connected with two sample separate taking openings through sampling connecting pipes; and plugging heads are arranged at the sample separate taking openings respectively. With the system and method of the invention adopted, sample distribution efficiency is improved, the stability of a sample distribution system is enhanced, the labor intensity of operators is reduced, irradiation dosesare reduced, and the security protection and environmental protection risks of posts are controllable.

Description

technical field [0001] The invention belongs to the technical field of analysis, detection and measurement, and in particular relates to a system and method suitable for liquefaction and sampling of uranium hexafluoride. Background technique [0002] The liquefaction and sampling mainly uses the heating liquefaction technology to liquefy and divide the UF6 sample in the large sample container into the small sampling container for laboratory analysis. Liquefaction sampling is the first process of various physical and chemical analysis and testing work. The reliability of the sampling system directly affects the efficiency of the sampling work, and also directly affects the accurate and timely reporting of subsequent analysis data. [0003] At present, the liquefaction and separation of UF6 in uranium enrichment enterprises is mainly based on the relevant nuclear industry standards, and the design of the liquefaction sampling device and operation process is completed by itself...

Claims

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Application Information

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IPC IPC(8): G01N1/18
CPCG01N1/18
Inventor 李明程栋胡海宏隆建荣金青
Owner CHINA NAT NUCLEAR URANIUM ENRICHMENT
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