降噪

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

该消装置结构简单,对主要通风机的阻力损失影响,、潮及噪效果明显,可广泛的应于煤矿主要通风机的消噪。

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治理的研究,阐述了通过采罩和机械通风冷却设施对引风机和鼓风机的噪治理。