Purify VOCs industrial waste gas system

The utility model discloses a purify VOCs industrial waste gas system relates to the exhaust -gas treatment field, including the PLC controller, a plurality of exhaust air chamber, mixing chamber and catalytic reaction chamber, exhaust air chamber is equipped with air intlet, exhaust air chamber is all looped in with the mixing chamber through first pipeline and second pipeline, be equipped with the air exhauster on the first pipeline, the second pipeline is equipped with the forced draught blower, electric heater and flow control valve I, catalytic reaction chamber is looped in through collecting tuber pipe and waste heat recycling tube and mixing chamber, it is equipped with filter and spark arrester to collect the tuber pipe, waste heat recycling tube is equipped with catalysis exhaust fan and flow control valve II, be equipped with gas concentration detection apparatus in the mixing chamber, be equipped with catalytic converter in the catalytic reaction chamber, gas concentration detection apparatus and c