期刊论文

The Experimental Research on Influence of Radon ExhalationFrom Sandstone Uranium Rocks Under TVU Coupling Effect

中文

铀矿冶

1000-8063

2019

38

2

140-145

10.13426/j.cnki.yky.2019.02.012

国家自然科学基金(11875164) 湖南省自然科学基金青年基金(2019JJ50489)。

本校为第一机构

采用自主设计的极端条件下多场耦合作用下氡析出测试装置,探究了在耦合作用下砂岩型类铀矿岩的氡析出规律。试验块以南方某铀尾矿砂为骨料,以高强水泥、精铁粉、蒸馏水为基础原料模拟衡阳汪家冲盆地白垩系砂岩。试验结果表明,析出罐内的试验块氡析出率与超声波功率呈线性增长。在激振器水平往复式振动作用下,氡析出率随频率增长而增加。在温度梯度的作用下,随着温度梯度递增,氡析出率也随之增大。在温度一定时,在低频振动和超声波共同作用下,试验组氡析出率的变化率趋于定值。通过正交试验方差分析,得出在三因素下,温度显著性最大,为控制氡析出提供了优先控制因素。

The law of radon exhalation from sandstone uranium rocks under multi-coupling effect by using the self-designed radon exhalation apparatus under severe conditions was carried.Experimental blocks of sandstone uranium rocks were made by employing a uranium tailing sands as the aggregate,applying high-strength cement,iron powder,distilled water as the foundation materials in order to simulate cretaceous sandstone at Hengyang Wangjiachong basin.Experimental results show that when the power of ultrasonic increases,the radon exhalation rate of uranium rocks is increased linearly.As the frequency of ...