Coal mine waterproof flow measurement metering device

The utility model discloses a coal mine waterproof flow measuring and metering device which comprises an integrated box, and the integrated box is sequentially provided with a water passing box, a drying box and a flow meter from top to bottom. A first fixing plate and a second fixing plate are fixed in the water passing box, a plurality of water passing holes are formed in the first fixing plateand the second fixing plate, a plurality of water passing plates which are distributed at equal intervals are fixed between the first fixing plate and the second fixing plate, and the water passing plates are in an S shape; a water receiving hopper is arranged at the bottom of the water passing tank, communicates with the bottom of the water passing tank and is connected with the outside through awater outlet pipe; the water passing box is communicated with the drying box through a connecting pipe, a first filter plate and a second filter plate are fixedly arranged in the drying box, and absorbent cotton is laid on th