变压式排气管道结构与运行特性分析

Analysis on the duct construction and operating character of the sharing exhaust system in residential kitchen

介绍变压式排气管道的作用及防窜气原理，并对多层住宅厨房变压式共用排气管道系统运行状态下的压力分布及其变压式结构参数进行理论分析．指出厨房排油烟机与管道系统的配合特性．

This paper introduces the function of sharing duct with varied pressure and the principle to prevent from collaborating gas. It analyses the operating pressure distribution of the sharing exhaust duct system for multi-storeyed residential kitchen and the parameters of varied pressure construction. It also points out the cooperating character between the kitchen hood and exhaust duct system.