We need full understanding of milk pasteurization machine

Fresh milk pasteurization machine has ice refrigeration type, compressor refrigeration type, single tank type and economic type. The economic type is to heat and sterilize the tap water circulation, which is more wasteful of water, but the price is more affordable. Compressor refrigeration pasteurization machine has two water tanks, respectively hot water tank and cold water tank, the side has a hydraulic meter to indicate the water level, and the interface connecting the refrigeration compressor, the interface has a refrigeration