Oil absorption flashboard for oily sewage treatment

The invention belongs to the technical field of flashboards, and particularly relates to an oil absorption flashboard for oily sewage treatment. The flashboard comprises a trash holding flashboard and an oil suction mechanism, the trash holding flashboard comprises a flashboard and a trash holding grid, and the flashboard is located on the trash holding grid and integrally connected with the trash holding grid; the oil suction mechanism comprises an oil suction box and a sliding block, the box body of the oil suction box is in a net shape, a filter plate is arranged in the oil suction box, and oil suction cotton is arranged on the filter plate; a sliding groove is formed in the trash holding flashboard, and the sliding block is fixed to the oil suction tank and can be arranged in the sliding groove in a sleeved mode so that the oil suction tank can slide up and down along the sliding groove. The oil suction flashboard can prevent oil-containing water on the upper layer from flowing out, and the turbine oil fi