The special demands on the liquid distributors by the high turndown,low values of the flow parameter, special materials, and structure packed are briefly introduced. 簡(jiǎn)要介紹高操作彈性,低液氣流動(dòng)參數,特殊物料,規整填料對液體分布器的特殊要求及這類(lèi)液體分布器的結構形式,操作原理,性能特點(diǎn),設計和選用等。