CAUSE ANALYSIS OF TENSION ROD RUPTURE OF MPS COAL PULVERIZER AND COUNTERMEASURES THEREOF

NING Guo-rui1; LI Zhi-shan2; WANG Qiang1 1.Beijing Guohua Electric Power Technology Research Centre Co Ltd

doi:10.19666/j.rlfd.2008.08.012

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CAUSE ANALYSIS OF TENSION ROD RUPTURE OF MPS COAL PULVERIZER AND COUNTERMEASURES THEREOF

更新时间：2025-09-28

- CAUSE ANALYSIS OF TENSION ROD RUPTURE OF MPS COAL PULVERIZER AND COUNTERMEASURES THEREOF
- Thermal Power Generation Issue 8, Pages: 45-46(2008)
- 作者机构：
  
  1. 北京国华电力技术研究中心有限公司
  2. 国华绥中发电有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.08.012
  CLC： TK223.25
- Published：2008
- 稿件说明：
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NING Guo-rui1, LI Zhi-shan2, WANG Qiang1 1.Beijing Guohua Electric Power Technology Research Centre Co Ltd. CAUSE ANALYSIS OF TENSION ROD RUPTURE OF MPS COAL PULVERIZER AND COUNTERMEASURES THEREOF[J]. Thermal power generation, 2008, (8): 45-46.
DOI：

NING Guo-rui1, LI Zhi-shan2, WANG Qiang1 1.Beijing Guohua Electric Power Technology Research Centre Co Ltd. CAUSE ANALYSIS OF TENSION ROD RUPTURE OF MPS COAL PULVERIZER AND COUNTERMEASURES THEREOF[J]. Thermal power generation, 2008, (8): 45-46. DOI： 10.19666/j.rlfd.2008.08.012.

摘要

某电厂MPS型磨煤机频繁出现拉杆断裂的现象

分析认为其原因是此类磨煤机拉杆结构设计不当

以及运行过程中导向装置的磨损使得拉杆长期在剪切力、弯矩及拉伸力的联合作用下工作

从而造成频繁断裂。对此

提出了改进磨煤机拉杆结构、加强维护等措施

实施后取得了良好的效果。

Abstract

The tension rod rupture phenomenon has frequently occurred on MPS type coal pulverizer in one power plant.It is believed from analysis that the causes leading to frequent rupture of the tension rod are as follows:the structure design of tension rod for coal pulverizer of this type is improper

and the wornout of guiding device in the process of operation makes the tension rod to be worked in long-term under combined effect of bending moment from shearing force and tension force.For this

measures as retrofitting tension rod structure for the coal pulverizer and strengthening the maintenance etc.have been put forward

after implementation

good result being obtained.

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