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The function and working principle of the hot air circulation oven of Changzhou Yuanze Drying Equipment Co., Ltd. Since it is called a hot air circulation oven, there must be a blower (motor). As long as the blower is turned on, the hot air will always circulate in the air duct. Of course, this can be controlled by temperature control instruments or switches during the design process. The hot air circulation oven is used for heating and drying, So dehumidification is actually ongoing because as the temperature increases, the amount of water decreases.