论文部分内容阅读
球磨机是火力发电厂诸多噪声源中强度较高的噪声源之一,球磨机在正常运转时噪声级达105~113dB(A),远远超过国家允许的噪声标准,不仅污染工人作业场所的环境,严重影响
Ball mill is one of the most powerful sources of noise in thermal power plants. The noise level of ball mill is 105 ~ 113dB (A) in normal operation, which far exceeds the national noise standards. It not only pollutes the working environment of workers, Serious impact