The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消结构简单,对主要通风阻力损失影响小,防尘、防潮及噪效果明显,可广泛应用于煤矿主要通风消噪。

The harnessing of noise and smust to boiler are studied,pugging and ventilation are adopted to harnest noise of fan.

通过对煤矿锅炉噪治理和烟尘治理研究,阐述了通过采用隔罩和械通风冷却设施对引风和鼓风噪治理。