The Vegetable Steam Peeling Machine is a new type of equipment for peeling fruits and vegetables. Currently, the traditional peeling methods available on the market include chemical agent peeling and grinding wheel bristle roller peeling. Chemical agent peeling has high operating costs, leaves drug residues, affects the quality of fruits and vegetables, and also pollutes the environment. The grinding wheel bristle roller for peeling causes significant wear and tear on the meat quality, resulting in waste. The pits and depressions on the surface of fruits and vegetables cannot be cleaned, and the peeling efficiency is low.
The Potato Steam Peeling Machine introduces high-temperature and high-pressure (for example, 200°C, 1.2MPA) saturated water steam into a closed cooking tank, creating a high-temperature and high-pressure state inside. It then conducts instantaneous (several seconds) heat preservation cooking on the skin of tuber fruits. The saturated water steam is rapidly discharged from the tank through the steam outlet, restoring the tank to a normal temperature and pressure state. Thus, the process of "high temperature and high pressure - instantaneous steaming - normal temperature and normal pressure" for steaming and peeling is completed.
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This process, through the sudden heating and cooling of tuber fruits, achieves rapid expansion and contraction of the fruit and vegetable skin, breaking the adhesion between the skin and the flesh, and forcing the skin to separate from the flesh. On the other hand, high-pressure saturated water vapor penetrates into the epidermis. At the moment it rapidly empties and returns to normal pressure, the saturated water vapor suddenly expands, "separating" the epidermis from the meat, achieving the effect of puffing and peeling.
In addition, the steam inlet and outlet are smooth, and the entire heating and pressurization process is completed instantly. Only the skin is separated under the effect of high temperature and high pressure, but the meat quality still maintains its original temperature and retains its original flavor. Also, because the cooking tank is supported by a stirrer, the rotating stirrer ensures that the tuber fruits inside the tank are heated evenly, preventing the meat from being burned, and it also makes the feeding and discharging of materials convenient and easy.
