Harmless separating system of bone, flesh and grease of mortal livestock

The utility model discloses a harmless separation system of bone, flesh and grease of mortal livestock. The harmless separation system of bone, flesh and grease of mortal livestock comprises a mortal livestock treating unit, a high-temperature hydrolyzing and drying unit, a grease squeezing unit and a grease purifying and separating unit; the mortal livestock treating unit comprises a mortal livestock sterilizing device and a low-temperature storage tank; the high-temperature hydrolyzing and drying unit comprises a high-temperature high-pressure hydrolyzing and drying integrated machine and a heat supplying device; the grease purifying and separating unit comprises a heating and oil storing tank, a heating device at the lower end of the heating and oil storing tank, a horizontal centrifugal machine, an oil clarifying tank, a first finished product oil tank and a second finished product oil tank. According to the utility model, the technical difficulties of environment pollution caused by the mortal livestock which are sold in the market, resource waste in harmless treatment process, high treatment cost and the like are solved radically; the investment cost for harmless treatment of the mortal livestock is reduced; the effective utilization of resources is achieved; the economical benefit of enterprises is reduced; meanwhile, the ecological environment is also protected effectively; a solid foundation is developed for harmless treatment of the mortal livestock.