关键词: 转轮除湿, 屏障环境, 动物实验室

Abstract: The animal laboratory of environmental barrier system in Zhengzhou University was built in 1998,and possessed automatic control of parameters,such as temperature,humidity,pressure.But there was not dehumidification function,and the facility was not in accordance with the current certification requirements of GLP.For this reasons,a variety of research and analysis on dehumidification mode were carried out in our center and finnally a system,that uses of small wheel dehumidifier for dehumidifying air supply without changing the original air-conditioning units was chosen.The performance of the system is good,not only in the technical indicators of the humidity control requirements,but also in reduction of investment and operating expenses.

Key words: Desiccant wheel technology, Environmental barriers, Animal laboratory