Automatic recovery device for drained water of regular drainage cooling pond of thermodynamic system

The utility model discloses an automatic drainage recovery device for a periodic drainage cooling pond of a thermodynamic system, which is characterized in that a pump outlet pipeline (1) is connected with a self-suction tank (3) through a centrifugal pump (2) and an inlet pipeline (12) in sequence; the self-suction tank (3) is communicated with an inlet suction pipeline (4); comprising an automatic liquid level control system (5) connected with the fixed-row cooling tank (33); the self-suction tank (3) is communicated with a water replenishing pipeline (13), the lower part of a self-suction tank body (15) is connected with a bottom discharge pipeline (19), and the upper part of the self-suction tank body (15) is connected with an overflow pipeline (17); a water drain valve (18) and an overflow observation port (20) are arranged on the bottom discharge pipeline (19); and an overflow valve (16) is arranged on the overflow pipeline (17). The device is simple in structure and operation, low in construction cost