铸工车间内有一部分高噪设备,可以封闭在一个小的空间中,使它与周围环境隔离起来。也有一些设备可直接利用其设备的机罩改进为隔声罩,可使车间的噪声水平得以改善。落砂机、清理滚筒就属于这类设备。 1、落砂机从调查数据看,30吨落砂机噪声级为106分贝。40吨落砂机102分贝,422型落砂机107.5分 Casting workshop part of the high noise equipment, can be enclosed in a small space, so that it is isolated from the surrounding environment. There are also some devices that can be directly converted into enclosures using the hoods of their equipment, improving the level of noise in the shop floor. Falling sand machine, cleaning rollers belong to this type of equipment. 1, falling sand machine From the survey data, 30 tons of falling sand machine noise level of 106 dB. 40 tons of sand machine 102 decibels, 422-type sand machine 107.5 points