Circulating energy-saving device in rubber softener process

The utility model discloses a circulating energy-saving device in a rubber softener process, which comprises a softener tank and a hollow tank, the hollow tank is arranged on one side of the softener tank, a raw material tank is vertically mounted in the center of the inside of the hollow tank, and communicating pipes communicated with each other are arranged between the raw material tank and the softener tank. A feed inlet is formed in one side of the raw material tank and communicated with the interior of the raw material tank, a U-shaped pipe is communicated with the top of the softener tank, a heat recycling mechanism is arranged on the U-shaped pipe, a gas generator and a gas generator set are arranged below the U-shaped pipe, a vertical pipe is communicated with the top of the gas generator, and the top end of the vertical pipe is communicated with the U-shaped pipe. Through the arrangement of the hollow sleeve and the spiral coil pipe, heat generated in the conveying process of non-condensable gas can