Ray liver oil extraction and preparation device

The utility model provides a skate liver oil extracting and preparing device which comprises a water storage tank, a pulverizer, four reaction devices, an oil-water separation tank, a delivery pump, seven intermediate storage tanks, a centrifugal machine, a clarification centrifugal machine, a solid-liquid separation device, a deodorization tower, a condenser, a cooling tower, a vacuum pump, a finished product oil tank, an acid storage tank, an alkali storage tank and a heat conduction oil pool which are connected through pipelines and valves. The whole ray cod-liver oil extraction and preparation device comprises a crude cod-liver oil extraction operation unit and a cod-liver oil refining operation unit, and the two production units can be operated independently and can also be operated cooperatively at the same time to form a set of complete ray cod-liver oil extraction and preparation device. The process adopts a two-step hydrolysis method, so that the production efficiency and the extraction rate of the s