放射性气溶胶在线监测系统设计

Design of an Online Detection System for Radioactive Aerosol

设计了一种在线式放射性气溶胶监测装置.监测系统由气溶胶探测单元、信息处理单元、电气接线箱、电气控制箱、抽气泵及管路附件等组成.性能测试结果表明:基于能谱测量的监测装置具有灵敏度高、测量量程范围宽、抗天然氡钍干扰能力强的特点,具有良好的环境适应性与电磁兼容性,适合于核设施气态排出流中放射性气溶胶在线监测.该放射性气溶胶监测装置达到了设计目标.

An online radioactive aerosol monitoring setup is designed.The monitoring system is composed of aerosol detection unit,information processing unit,electrical junction box,electrical control box,air pump and pipeline accessories.The performance test results show that:the monitoring setup based on energy spectrum measurement is suitable for online radioactive aerosol monitoring of radioactivity in gaseous effluents,especially for the characteristics of high sensitivity,wide measurement range,strong resistance to natural radon and thorium interference,the environmental adaptability and electromagnetic compatibility.The radioactive aerosol monitoring setup has reached the design goal.