Powder material leakage detection device

The invention relates to the technical field of pulverized coal leakage detection, and discloses a powder material leakage detection device which comprises a main body mechanism, an outer cylinder, a ventilation ring fixedly connected to the bottom end of the outer cylinder and an air collection cover fixedly connected to the top end of the outer cylinder. A guide groove is formed in the inner wall of the outer cylinder, a driving part is arranged on the inner wall of the outer cylinder, a temporary storage part is arranged in the outer cylinder, a monitoring part is arranged in the outer cylinder, and a moving part is installed at the bottom end of the outer cylinder in a matched mode; according to the device, pulverized coal in the space can be collected through the device, and the leakage of the pulverized coal in the closed space can be more safely and accurately detected in a centralized detection mode, so that the safety is ensured, the situation that false alarm is easily caused when the detection thre