To solve the problems existed in traditional spraying dust suppression measures ,such as easy blockage ,poor at-omization effect and small coverage ,a set of gas-water spraying dust-settling system featured by anti-clogging and easy installation is set up .First ,the atomizing mechanism of gas-water spraying is analyzed in this paper and then the pressure ration between gas and water for best atomization effect of each spray nozzle is determined through comprehensive experi-ment .Finally ,the gas-water spraying model and corresponding filtration system are built according to actual field condi-tions and they are installed and applied in shearers in fully mechanized coal faces ,which turn out to be beneficial to dust suppression .%针对综采工作面传统的喷雾降尘措施存在的易堵塞、雾化效果差、覆盖范围小等不足，提出了一套防堵塞，易安装的气水喷雾降尘系统。分析了气水喷嘴的雾化原理，通过实验确定了单个喷嘴最佳雾化效果的气水压力比，根据现场实际情况设计了气水喷雾模块及过滤系统，并在综采面采煤机安装应用，取得了良好的降尘效果。
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