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causes of e cessive vibration of coal mill with too small coal volume

causes of e cessive vibration of coal mill with too small coal volume

In the operation process of thecoal mill, there are many kinds of signals with high frequency, such as grinding current,vibrationsignal, grinding differential pressure and other signals. Su et al. designed a system to record thevibrationsignals of thecoal milland transfer them into energy amplitudes by wavelet packet approach. With the ...

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