Needle coke raw material moisture removal device

The utility model belongs to the technical field of distillation, and particularly relates to a moisture removal device for needle coke raw materials. The device comprises a flash tower, an oil collecting tank is arranged at the upper part in the flash tower, a discharge port is formed in the joint of a bottom plate of the oil collecting tank and a flash tower body, the discharge port is connectedwith a heat exchanger, a flash side oil extraction pump is arranged between the discharge port and the heat exchanger, and the flash side oil extraction pump is connected with the flash tower througha side line return pipeline; the top of the flash tower is connected with a tower top return tank, a cooler is arranged between the top of the flash tower and the tower top return tank, and the towertop return tank is further connected with the flash tower; the middle of the flash tower is connected with a raw material feeding line through a heat exchanger; and the bottom of the flash tower is connected with a tower botto