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.

• 简要介绍高操作弹性，低液气流动参数，特殊物料，规整填料对液体分布器的特殊要求及这类液体分布器的结构形式，操作原理，性能特点，设计和选用等。