Strength Analysis of P91 Hot Pressing Elbow in Main Steam Pipeline of Supercritical Unit

LIU Ming; BAI Jia

doi:10.3969/J.ISSN.2095-3429.2017.02.002

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Strength Analysis of P91 Hot Pressing Elbow in Main Steam Pipeline of Supercritical Unit

更新时间：2025-06-06

- Strength Analysis of P91 Hot Pressing Elbow in Main Steam Pipeline of Supercritical Unit
- Vol. 38, Issue 2, Pages: 7-11(2017)
- 作者机构：
  
  华电电力科学研究院,浙江,杭州,310030
- 作者简介：
- 基金信息：
- DOI：10.3969/J.ISSN.2095-3429.2017.02.002
  CLC： TK225
- Online First：30 April 2017，
  
  Published：2017
- 稿件说明：
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LIU Ming, BAI Jia. Strength Analysis of P91 Hot Pressing Elbow in Main Steam Pipeline of Supercritical Unit[J]. 2017, 38(2): 7-11.
DOI：

LIU Ming, BAI Jia. Strength Analysis of P91 Hot Pressing Elbow in Main Steam Pipeline of Supercritical Unit[J]. 2017, 38(2): 7-11. DOI： 10.3969/J.ISSN.2095-3429.2017.02.002.

摘要

采用有限元仿真分析方法对某600MW超临界机组主蒸汽管道P91热压弯头进行了强度分析

得到了90°弯头结构在内压作用下的应力分布规律

并依据仿真分析结果选择测点位置

采用电阻应变测量技术对该弯头的应力分布进行了试验测试

测试结果与仿真分析结果吻合度较好

最后采用有限元仿真分析结果对该弯头进行了强度校核。

Abstract

The analysis method of main steam pipeline of P91 hot pressing elbow of a 600 MW supercritical unit strength analysis using finite element simulation

got a 90 degree bend structure under internal pressure stress distribution

and on the basis of the simulation results select the measuring position

the resistance strain measurement technique on the stress distribution of the elbow the test

the test results and the simulation results is better

finally using the finite element simulation results of the bend strength was checked.

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Related Author

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Related Institution

College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Pudong New District

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