Pulverized coal concentration measuring device and using method thereof

The invention relates to the technical field of pulverized coal measurement, in particular to a pulverized coal concentration measuring device and a using method thereof.The pulverized coal concentration measuring device comprises a working box, connecting pipes are fixedly connected to the two sides of the working box, a discharging pipe is installed at the bottom of the working box, a working chamber is formed in the working box, and a feeding opening is formed in the surface of the discharging pipe; and the surface of the discharging pipe is fixedly connected with two sets of limiting blocks, the surface of the discharging pipe is sleeved with a sliding block, the two sides of the sliding block are fixedly connected with connecting blocks, and the interiors of the connecting blocks are fixedly connected with grips. Through matched use of the feeding port, the discharging pipe, the sliding block, a connecting block, a sliding groove, a compression spring and an elastic check block, a worker can quickly take