Workshop air recovery control system

A workshop air recovery control system comprises dust removal filtering equipment, air draft equipment, a central air duct, an outdoor temperature and humidity sensor, air conditioning equipment and a control module. The air conditioning equipment is used for adjusting the temperature and humidity in the workshop, the dust removal filtering equipment is used for filtering air in the workshop, the output end of the dust removal filtering equipment is connected with the air inlet end of the air draft equipment, and the air outlet end of the air draft equipment is connected with the central air duct; the central air duct is provided with a first air outlet used for exhausting air to a workshop and a second air outlet used for exhausting air to the outside, a first control valve capable of opening or closing the first air outlet is arranged at the first air outlet, and a second control valve capable of opening or closing the second air outlet is arranged at the second air outlet; the outdoor temperature and humid