On-Line Monitoring Device of Airborne Particulate Concentration Based on The Principle of Vibration

The protection of the atmosphere environment that relates with people´s health relies on the monitoring of the environment. As an important index of the monitoring work, monitoring the concentration of the particulates in the air, especially PM10 and those particulates´ diameter that are shorter than 10 mum is now the emphasis of research both in foreign country and our own country. At present, foreign countries have already applied automatic monitoring method to observe PM10 particulate and PM2.5 monitoring is popular there. However, the routine off-line monitoring to PM2.5 has not been implemented and the auto on-line monitoring to PM10 still has some technique problems in China. An on-line monitoring method and device of the particulate concentration, based on the principle of vibration was put forward here and the feasibility of this method is proven by the calculation. It provides effective technology support for the research of particulate pollution status and source analysis of particulate and it improves the monitoring operation in the field of real-time character and accuracy.