Mine ventilation device

The utility model relates to the technical field of mine equipment. The utility model relates to a mine ventilation device. The device comprises a device body, a filtering assembly and an electrical cavity, a shell is arranged at the outer end of the device main body; a ventilator is arranged at the top end of the device main body; an exhaust pipe is arranged at one end of the device main body; anexhaust cavity is formed in the inner end of the exhaust pipe; a ventilation plate is arranged at the other end of the device main body; a dustproof net is arranged on the inner layer of the ventilation plate; an exhaust fan is arranged at one end in the device main body; a purified gas outlet is formed in the top end of the filtering assembly; ventilation pipes are arranged at the two ends of the filtering assembly; an air pump is fixed at the outer end of the ventilation pipe; a timer is arranged at the inner end of the electrical cavity, a storage battery pack is arranged at one end of thetimer, a dual-power-suppl