STUDY ON LOAD DETECTING METHOD FOR BALL MILLS IN POWER PLANT AND REALIZATION THEREOF

doi:10.19666/j.rlfd.2004.11.008

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STUDY ON LOAD DETECTING METHOD FOR BALL MILLS IN POWER PLANT AND REALIZATION THEREOF

更新时间：2025-09-28

- STUDY ON LOAD DETECTING METHOD FOR BALL MILLS IN POWER PLANT AND REALIZATION THEREOF
- Thermal Power Generation Issue 11, Pages: 25-27(2004)
- 作者机构：
  
  1. 抚顺发电有限责任公司
  2. 西安交通大学,陕西,西安,710049
  3. ,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.11.008
  CLC： TP274
- Published：2004
- 稿件说明：
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STUDY ON LOAD DETECTING METHOD FOR BALL MILLS IN POWER PLANT AND REALIZATION THEREOF[J]. Thermal power generation, 2004, (11): 25-27.
DOI：

STUDY ON LOAD DETECTING METHOD FOR BALL MILLS IN POWER PLANT AND REALIZATION THEREOF[J]. Thermal power generation, 2004, (11): 25-27. DOI： 10.19666/j.rlfd.2004.11.008.

摘要

对发电厂现场采集的钢球磨煤机 (球磨机 )运行时的噪声信号进行分析

发现球磨机的噪声信号能量可以很好的反映球磨机筒内负荷。由于能量的计算量大且不易用数字电路实现

经过推导找到了用FFT变化后的频谱计算球磨机噪声能量的方法

并在此基础上设计了基于DSP的智能球磨机负荷检测仪

经在国内 2 0多台球磨机上应用

收到了良好的效果

Abstract

Based on analysis of noise sygnals collected from ball mills in operation at field of power plant

it was found that the energy of noise signal from ball mills can properly reflect the load in the barrel of ball mills. Owing to the energy calculation is very complex and can not be easily accomplished in digital circuits

a method of calculating noise energy has been suggested by using the frequency spectrum after FFT transformation

and an intelligent load detecting instrument for ball mills being designed on the basis of DSP. The said instruments have been used on more than 30 ball mills in power plants over the country

achieving good results.

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