The production process of liquid dairy products mainly includes: raw milk acceptance, milk cleaning, refrigeration, preheating, homogenization sterilization, cooling, aseptic filling, fermentation, final product storage etc. Steam boiler is used for fermentation, disinfection, drying, etc., The sterilization of liquid dairy products and the fermentation process of sour milk are the main uses of the boilers in dairy plants. According to the experience from working with many dairy companies in the past, fermentation, disinfection and sterilization of dairy products is the main steam consumption sections. If heating and bathing heat are added, steam demand will be higher.