The invention discloses a dehydration device provided with automatic control and used for industrial production and a dehydration method of the dehydration device. The dehydration device comprises a box body, wherein the inner part of the box body is fixedly connected with a partition; the center of the partition is in sliding connection with a motor box; and a first motor is fixedly mounted inside the motor box. The invention relates to the technical field of industrial production machinery. According to the dehydration device provided with automatic control and used for industrial production disclosed by the invention, spin-drying barrels with materials are placed into the box body, a rotary sleeve on the bottoms of the spin-drying barrels is nested with a rotary block fixedly mounted at the top end of the output shaft of the first motor, and the first motor drives the rotary block to rotate, so that the rotary sleeve is driven to indirectly rotate the spin-drying barrels at high speed to dehydrate; and through a sliding connection design of the rotary sleeve and the rotary block, the spin-drying barrels are conveniently taken, and materials do not need to slowly take out after dehydration is ended, so that time is saved and working efficiency is improved. Multiple spin-drying barrels can be individually customized, so that continuous dehydration is facilitated, and working efficiency is improved.