The circulating oil circuit is equipped with an automatic slag discharge device and a double-layer filter.The oil circuit is equipped with a heat exchange oil cooling system, a nitrogen-filled insurance system, and a cleaning system.The frying machine is equipped with a vibration demoulding device and a pneumatic demoulding device.To prevent the product from sticking to the mold and causing oil contamination. The bottom of the stove frame adopts a suspended design to reduce oil accumulation and facilitate floor cleaning.