Gaseous online sampling control device of concentrating of multichannel

Gaseous online sampling control device of concentrating of multichannel, including the install bin, be provided with the electromagnetism valves in the install bin, be provided with a plurality of airinlet and a gas outlet on the electromagnetism valves, be provided with on the top panel at install bin top with the electromagnetism valves on the pagoda joint that air inlet quantity is the same, every pagoda joint's lower extreme is connected with an air inlet on the electromagnetism valves through an air inlet hose, every pagoda joint's upper end all is connected with the flue flange of installing at the flue lateral part through a heat tracing pipe, a plurality of flue flange is followed flue length direction interval and is set up, the gas outlet of electromagnetism valves is connectedwith a sampling gas of installing on it on the board joint of giving vent to anger through an air outlet hose. The utility model discloses can realize the online sampling control of concentrating of multiple pollutant in the f