摘要
对一台３５０／７００型球磨机进行筒内降噪设计，用统计能量法进行了分析，论述了该模型的合理性与可靠性，研究了模型简化、统计能量法子系统合并、参数的获取、共振与非共振声传递等问题．原球磨机噪声的实测值与用ＳＥＡ方法预测值比较一致，说明该模型是合理可靠的，并对处理之后的球磨机降噪量进行了预测，其值大约在１０ｄＢ左右．
The noise of roller mill is often unbearable, but it is difficult to predict or control. Statistical Energy Analysis (SEA) is an effective method for predicting industry machines. A reasonable SEA model for a 350/700 Type Roller of Yangluo Power Plant in Wuhan is given. Model simplification, SEA subsystems merging, parameters acquisition, and the transfer of resonant and non resonant sound are also discussed. 10 dB noise reduction is predicted for the roller mill after treatment.
出处
《华中理工大学学报》
CSCD
北大核心
1998年第a01期41-43,共3页
Journal of Huazhong University of Science and Technology
关键词
球磨机
统计能量法
噪声预测
火电厂
roller mill
statistical energy analysis
noise prediction
