... ice on overgrowing commerce and insdustry , the product Widely Used In marine fishery, food processing , dye and pigment , Biopharmaceuticals , ... design of sttionary and fixed vertical evaporators is adopted in order to avoid the problems including the leaked refrigerating ... evaporators , and so on , thus as evaporator is endurable in long service life , with the refrigerant is diffcult to leak 4. ...