High-efficiency white water tray blowdown device

The utility model relates to a high-efficiency white water tray blowdown device which comprises a paper machine mesh part, a white water trough, a heavy slag blowdown pipe and a heavy pulp pump. The paper machine mesh part is communicated with the white water trough, and the heavy slag blowdown pipe and the heavy pulp pump are arranged on the bottom of the white water trough respectively. The high-efficiency white water tray blowdown device further comprises an adjustable baffle, a light slag blowdown pipe and an under-machine drain basin, the adjustable baffle is arranged in the white water trough to divided the white water trough into a blowdown area and an overflow area, the heavy slag blowdown pipe and the heavy pulp pump are located on the bottom of the white water trough, the under-machine drain basin is connected to the overflow area through a pipeline, and the light slag blowdown pipe is arranged on the pipeline. Compared with the prior art, the high-efficiency white water tray blowdown device has the advantages that improvement is easy, adjustment is easy, white water is not wasted, and the qualified rate and production efficiency can be improved.