CAUSE ANALYSIS AND TREATMENT OF ABNORMAL NOISE EXISTING ON MG TYPE COAL MILLS

FENG Xuefeng

doi:10.19666/j.rlfd.2005.08.020

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CAUSE ANALYSIS AND TREATMENT OF ABNORMAL NOISE EXISTING ON MG TYPE COAL MILLS

更新时间：2025-09-28

- CAUSE ANALYSIS AND TREATMENT OF ABNORMAL NOISE EXISTING ON MG TYPE COAL MILLS
- Thermal Power Generation Issue 8, Pages: 58-59(2005)
- 作者机构：
  
  洛阳石化总厂,河南,洛阳,471012
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2005.08.020
  CLC： TK223.25
- Published：2005
- 稿件说明：
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FENG Xuefeng. CAUSE ANALYSIS AND TREATMENT OF ABNORMAL NOISE EXISTING ON MG TYPE COAL MILLS[J]. Thermal power generation, 2005, (8): 58-59.
DOI：

FENG Xuefeng. CAUSE ANALYSIS AND TREATMENT OF ABNORMAL NOISE EXISTING ON MG TYPE COAL MILLS[J]. Thermal power generation, 2005, (8): 58-59. DOI： 10.19666/j.rlfd.2005.08.020.

摘要

洛阳石化总厂热电站配有4台MG 290/470钢球磨煤机

投入运行后

不同程度地存在异常声响

并多次出现了大牙轮合口螺栓断裂现象。分析认为

这是由于大牙轮变形及未及时检修所致

经相应处理后异响消除

运行正常。

Abstract

Two MG290/470 type ball mills were allocated in thermal power plant of Luoyang Petrochemical Headquarters Factory. After putting into operation

abnormal noise is existing in varying degrees

and fracture phenomena of bolts on the jointed face of big toothed wheel have frequently occurred. It is believed from analysis that the said situation to be the result of big toothed wheel being deformed

and having not been repaired in time. After treatment of the big toothed wheel

the abnormal noise of said mills has been eliminated.

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