释义 |
evaporator [i`vap·ǝ´rād·ǝr] CHEMICAL ENGINEERING A device used to vaporize part or all of the solvent from a solution; the valuable product is usually either a solid or concentrated solution of the solute. MECHANICAL ENGINEERING Any of many devices in which liquid is changed to the vapor state by the addition of heat, for example, distiller, still, dryer, water purifier, or refrigeration system element where evaporation proceeds at low pressure and consequent low temperature. |