The flue gas on-line analyzer uses a fully-sampled sampling method for the fixed source SO2, NOx, CO, CO2, O2, soot, flue gas flow, pressure, temperature such as real-time monitoring, with user management, data preservation, display and printing functions, and can be timely and real-time monitoring data through a supporting environmental monitoring network system to all levels of environmental protection Sector The use of high pressure blower is mainly for gas sampling in flue gas detection system.