DESIGN OF THE SAMPLING MEASUREMENT AND RADIOCHEMISTRY LAB IN THE NUCLEAR ISLAND OF HTR-PM

被引：0

作者：

Lou, Mengqi ^{[1
]}

Li, Wenqian ^{[1
]}

Xie, Feng ^{[1
]}

Cao, Jianzhu ^{[1
]}

Wei, Liqiang ^{[1
]}

Tong, Jiejuan ^{[1
]}

Kong, Jiaji ^{[2
]}

机构：

[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Collaborat Innovat Ctr Adv Nucl Energy Technol, Key Lab Adv Reactor Engn & Safety,Minist Educ, Beijing 100084, Peoples R China

[2] Chinergy Co LTD, Beijing 100193, Peoples R China

来源：

PROCEEDINGS OF THE 26TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 2018, VOL 2 | 2018年

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Radiation monitoring system is very important to the safe operation of the nuclear power plant. The radiation monitor, including the on-line type and the off-line type, can provide the radioactive level for a given system, certain areas, or unique substance promptly. However, as a supplementary method, the sampling measurement can supply more accurate information about the source term. In this paper, we present the design of the sampling measurement in the nuclear island of HTR-PM. The sampling measurement contains the helium sampling from the primary coolant, the radioactive dust sampling from the primary loop, the liquid sampling from the tritiated water and some process systems, the gas sampling from certain areas, etc. The frequency of the sampling measurement depends on regulatory requirements and actual operational demands. The control values of the samples are settled on the basis of the source term analysis and regulatory requirements. The radiochemistry lab has been designed to meet the requirement of the sampling measurement, in which the main instruments include a Nal gamma spectrometer, two high-purity germanium gamma spectrometers, a four-channel ultralow background alpha/beta analyzer, and a low background liquid scintillation counter. The characteristics of these instruments will be described in details in the paper.

引用

页数：7

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