尽管工业领域已使用的液位计的类型较多，但根据已运行核电站乏燃料水池的特殊情况，能适用于的液位测量类型很少。本文详细介绍了非接触式液位计尤其是雷达液位计的测量原理，通过研究相关技术，提出适用的改进及安装措施，保证雷达液位计在环境工况下的可靠性应用，以推动雷达液位测量仪表在核电站特殊场所中的使用。%Although there are many types of liquid level meter, such as differential pressure, electrical contacts, electrical heating type, non-contact type, etc., but according to the special circumstances of spent fuel pool in running nuclear power plant, the level measurement types is rarely that can be applied to the place. The paper detailed introduced principle of non-contact measuring liquid level meter, especially radar level gauge, by studying the relevant technology, advances some measures for improvement and installation , ensure the reliability of radar level gauge in the environmental conditions, to promote the radar liquid level measuring instrument used in special places in nuclear power plants.
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