通风网络节能技术改造王庄煤矿程国平０前言煤矿通风技术进入八十年代以后，以节能降耗为中心的技术有了较快的发展，通风网络的节能改造已成为矿井一项重要的技改工作，其主要途径一般都是在不改变主要通风机性能的情况下改善通风系统，降低通风系统对风机输出功率的要求... Ventilation network energy-saving technological transformation Wangzhuang Coal Mine Cheng Guoping 0 Preface Coal mine ventilation technology into the 1980s, the energy saving technology as the center has developed rapidly, the ventilation network of energy-saving transformation has become an important mine technical innovation Work, the main approach is generally to improve the ventilation system without changing the performance of the main fan, reducing the requirements of the ventilation system on the fan output power ...