Gas drilling dust falling device for oil-gas exploration

The invention provides an oil-gas exploration gas drilling dust falling device which comprises a main body, a main body fixing part, a dust falling unit, a circulating unit, a gas flow sensor, a rock debris particle concentration sensor and a control box. The dust falling unit comprises a water inlet main pipe, a plurality of groups of atomizing water inlet pipes and a plurality of groups of atomizing nozzles, the atomizing water inlet pipes and the atomizing nozzles are connected to the water inlet main pipe, the circulating unit comprises a collecting circulating pool arranged below the outlet of the main body, a control valve, a water adding pump and a circulating water adding pipe, and the water inlet main pipe is communicated with the collecting circulating pool through the circulating water adding pipe; the gas flow sensor and the rock debris particle concentration sensor are respectively arranged at an inlet and an outlet of the main body; and the control box can control the start and stop of the water