PREDICTION OF LOW CYCLE FATIGUE LIFE FOR TYPE DG670/140-2 BOILER DRUM AT XINDIAN POWER PLANT

doi:10.19666/j.rlfd.2000.03.015

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PREDICTION OF LOW CYCLE FATIGUE LIFE FOR TYPE DG670/140-2 BOILER DRUM AT XINDIAN POWER PLANT

Thermal Power Generation Issue 3, Pages: 49-54(2000)

更新时间：2025-09-28

- PREDICTION OF LOW CYCLE FATIGUE LIFE FOR TYPE DG670/140-2 BOILER DRUM AT XINDIAN POWER PLANT
- 作者机构：
  
  1. 辛店发电厂,山东,淄博,410012
  2. 国家电力公司热工研究院,西安,710032
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2000.03.015
  CLC： TM621
- Published：2000
- 稿件说明：
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PREDICTION OF LOW CYCLE FATIGUE LIFE FOR TYPE DG670/140-2 BOILER DRUM AT XINDIAN POWER PLANT[J]. Thermal Power Generation, 2000, (3): 49-54.
DOI：

PREDICTION OF LOW CYCLE FATIGUE LIFE FOR TYPE DG670/140-2 BOILER DRUM AT XINDIAN POWER PLANT[J]. Thermal Power Generation, 2000, (3): 49-54. DOI： 10.19666/j.rlfd.2000.03.015.

摘要

对辛店发电厂DG6 70 /140 - 2型锅炉汽包翻边下降管管座处的内压应力、热应力进行了三维有限元分析与计算。依据计算结果、材料的力学性能、疲劳寿命曲线和锅炉的运行工况对该汽包的低周疲劳寿命进行了预测

Abstract

Calculation and analysis is conducted with three-dimensional finite element method（3D FEM）for the primary membrane and thermal stresses in downcomer nozzle for type DG670/140-2 boiler drum at Xindian Power Plant.Prediction of low cycle fatigue life of this boiler drum is performed based the calculated stresses

the fatigue life curve and the mechanical properties of 18 MnMoNbg steel.

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