U-shaped pot on top of the machine vacuum jacketed steam heating, variable speed turbine, gear reducer combination machines, increasing the horizontal stirring moments, using Teflon material scraper agitator, In the roll of material in the mixing process, comprehensive full contact with the pot stirrer, ensuring no dead stirring. Pot's lid, discharge, reset the hydraulic, mechanical transmission control, operation is extremely convenient. Vacuum frying can reduce the frying temperature, especially suitable for frying heat-sensitive materials, avoiding the excessive heat caused by the deterioration of color and flavor, maintaining the raw original color, smell, taste, frying improved efficiency and reduce energy consumption, shorten the frying time.