降噪

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

该消声装置结构简单,对主要风机的阻力损失影响小,尘、噪效果明显,可广泛的应用于煤矿主要风机的消声噪。

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

对煤矿锅炉噪声治理和烟尘治理的研究,阐述了用隔声罩和机械风冷却设施对引风机和鼓风机的噪治理。