新疆某地煤矿放射性水平调查及从业人员剂量分析

doi:10.13491/j.issn.1004-714X.2021.01.010

2021, Vol. 30

Issue (1): 44-47 DOI: 10.13491/j.issn.1004-714X.2021.01.010

Radiation Monitoring/Original Articles

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Investigation on radiation level in certain coal mines in Xinjiang and dose analysis of employees

XU Huiping¹, LI Jun²

1. China Institute of Atomic Energy, Beijing 102413 China;
2. Xinjiang Monitoring and Supervising Centre of Radiation Environment

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Abstract Objective To understand the distribution of associated radioactivity, though investigating and analyzing the level of environmental radioactivity in certain coal mines in Xinjiang, and estimate the effective dose received by the workers.Methods Taking coal mining activities in a certain area of Xinjiang Province as the object of the study, the environmental radioactivity level in the mining process was obtained through on-site measurement and sampling analysis, and the exposure dose of the workers in the coal mining process was evaluated accordingly.Results The radiation dose rate and radon concentration in the underground environment of most coal mines in this area are high. The content of radionuclides in gangue of each coal mine is less than 1 Bq/g, the content of radionuclides in most coal samples is less than 1 Bq/g, and the total α and β in the gusher water of each coal mine are lower than the discharge limits of the sewage discharge standards. The radon concentration level in coal mines is an important factor affecting the radiation exposure of workers.Conclusion Through the investigation of this project, the radioactive level of coal resources stored underground in a certain area is understood，which provides an objective basis for the management and planning of existing coal mines in this area, and provides technical support for the management of exploitation and utilization of mineral resources in China.

Key words： Coal Mine Workers Effective Dose

Received: 17 May 2020

PACS:

X591

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XU Huiping,LI Jun. Investigation on radiation level in certain coal mines in Xinjiang and dose analysis of employees[J]. , 2021, 30(1): 44-47.

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http://www.zgfsws.com/EN/10.13491/j.issn.1004-714X.2021.01.010 OR http://www.zgfsws.com/EN/Y2021/V30/I1/44

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