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,要通的阻力损失影响小,防尘、防潮及噪效果明显,可广泛的应用于煤矿要通的消声噪。

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

通过煤矿锅炉噪声治理和烟尘治理的研究,阐述了通过采用隔声罩和械通冷却设施和鼓的噪治理。