EVAPORATORS AND EVAPORATION METHODS

摘要

This invention relates to an evaporator comprising a casing ( 1; 21 ) and a heater ( 7; 27 ). Gas is supplied through an inlet ( 4; 24 ) and discharged through an outlet ( 5; 25 ). The casing forms an evaporating space ( 2; 22 ) and a heating space ( 3; 33 ) heated by the heater ( 7; 27 ). The evaporating space ( 2; 22 ) may be partially filled with a liquid ( 16; 36 ). The gas flows from the inlet ( 4; 24 ) via the heating space ( 3; 23 ) to the evaporating space ( 2; 22 ) and further to the outlet ( 5; 25 ). This invention moreover relates to an evaporator comprising an outer and an inner tub. The outer tub is heated. The inner tub may contain a water reserve and is inserted into the outer tub. The upper side of the bottom of the outer tub ( 8; 28 ) or the underside of the bottom of the inner tub ( 10; 30 ) is made of a soft elastic material. The invention finally relates to corresponding methods.