Experimental vertical sterilization pot DN400 typeIt can achieve energy-saving by circulating hot water. The inflow and outflow of water are easy to control, and heating can be done using electric heating or steam heating to quickly heat and cool sterilized food. The vertical electric heating sterilization pot is the main equipment for sterilizing food and canned food, and is also suitable for pressure cooking in the food industry (candied grain processing) and shaping treatment in the textile industry. The device has a reasonable structure, good sealing, easy opening and closing, convenient operation, stable performance, and largely preserves the color, aroma, taste, and shape of various foods.