Double-layer circulating stepped water tank for cooling wires and cables

The utility model discloses a double-layer circulating stepped water tank for cooling wires and cables, which comprises an upper-layer cooling water tank, a lower-layer cooling water tank, a water feeding pipeline, a water passing step, a water return pipeline, a motor, a water pump, a circulating water tank and a small-sized step group, and the water passing step is connected between the upper-layer cooling water tank (1) and the lower-layer cooling water tank; the upper-layer cooling water tank is connected with a water pump through a water feeding pipeline, a circulating water tank is arranged below the lower-layer cooling water tank, the lower-layer cooling water tank is connected with the circulating water tank through a water return pipeline, and a small step group is arranged in the circulating water tank; v-shaped aluminum alloy guide wheels are arranged at two ends of the upper-layer cooling water tank and the lower-layer cooling water tank. The device is simple and practical in design; the cooling e