Continuous airflow generating device with fixed particulate matter concentration

According to the continuous airflow generating device with the fixed particle concentration, a fuming system comprises a combustion chamber, a first draught fan is installed in the combustion chamber, a structure used for containing comburent is arranged in the combustion chamber, and a smoke outlet is formed in the other side of the combustion chamber; the mixing system comprises a plurality of mixing chambers connected in series and a first air pump, an upstream air inlet of the first mixing chamber is connected with the smoke outlet, a downstream air outlet of the previous mixing chamber is connected with an upstream air inlet of the next mixing chamber, and a downstream air outlet of the last mixing chamber outputs smoke for detection; a second fan is arranged at the upstream air inlet, a third fan and a first concentration sensor are arranged in the mixing chamber, an air outlet of the first air pump is connected with a main pipeline, the main pipeline is communicated with a single mixing chamber through