Single-side drainage V-shaped filter tank capable of preventing sand leakage

The utility model discloses a unilateral drainage V-shaped filter tank capable of preventing sand leakage, belongs to the field of water treatment, and solves the problem of sand leakage of the V-shaped filter tank. The sand filtering pool, the drainage channel and the drainage gallery are sequentially communicated, sand filtering materials are arranged in the sand filtering pool, the sand filtering pool and the drainage channel are connected through a partition wall in a common wall mode, a baffle in the length direction of the drainage channel is arranged in the drainage channel, the baffle divides the drainage channel into a sand collecting area and a drainage area, and the baffle is lower than the partition wall. The sand collecting area and the drainage area are in overflow communication through a baffle, the sand collecting area is in overflow communication with the sand filtering pool through a partition wall, and the drainage area is communicated with the drainage gallery through a drainage pipeline.