过去,我厂打浆工段的φ450双圆盘磨运转时震耳欲聋,噪声高达98～108.5分贝(A)。 φ450双圆盘磨是近年来国内造纸厂用于打浆的一种新设备,我厂就有4台,每台配用115千瓦电机一台,占地面积为87.129平方米。还有一台精浆机,经测定其噪声也超过国家标准。根据现场条件,我们设计了占 In the past, my factory beating section φ450 dual disc grinding operation deafening, noise up to 98 ~ 108.5 dB (A). φ450 double disc mill is used in domestic paper mills for beating a new equipment in recent years, I have four plants, each equipped with a 115-kilowatt motor, covers an area of ​​87.129 square meters. There is also a refiner, measured by the noise also exceeded the national standard. According to the site conditions, we designed accounted for