Cooling and dewaxing system for sunflower seed oil production and processing

The utility model relates to a cooling and dewaxing system for sunflower seed oil production and processing. The cooling and dewaxing system comprises at least one crystallizing tank, a feeding pipeline, a discharging pipeline, a heat exchanger, a screw pump and a plate-and-frame filter press, wherein the feeding pipeline and the discharging pipeline are connected with the crystallizing tank; the heat exchanger is used for cooling degummed oil in the feeding pipeline; according to the utility model, degummed oil conveyed into the crystallizing tank is pre-cooled through the heat exchanger, so that the cooling of the degummed oil is accelerated, the degummed oil at the central position is continuously guided and diffused through the rotation of the diffusion piece, the degummed oil is circularly driven to flow, the uniformity is good, and the degummed oil is easily and quickly cooled to form wax crystals; a filter aid is added into the crystallizing tank through the filter aid adding assembly, the heat exchang