CORROSION CHARACTERS OF TP347H STEEL UNDER ATMOSPHERE OF SUPERHEATERS OF BIOMASSBURNED BOILERS(Ⅱ)

YIN Jia-min1; WU Zhan-song21.Guangdong Electric Power Design Institute

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CORROSION CHARACTERS OF TP347H STEEL UNDER ATMOSPHERE OF SUPERHEATERS OF BIOMASSBURNED BOILERS(Ⅱ)

更新时间：2025-09-28

- CORROSION CHARACTERS OF TP347H STEEL UNDER ATMOSPHERE OF SUPERHEATERS OF BIOMASSBURNED BOILERS(Ⅱ)
- Thermal Power Generation Vol. 38, Issue 8, Pages: 41-45(2009)
- 作者机构：
  
  1. 广东省电力设计研究院
  2. 清华大学热科学与动力工程教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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YIN Jia-min1, WU Zhan-song21.Guangdong Electric Power Design Institute. CORROSION CHARACTERS OF TP347H STEEL UNDER ATMOSPHERE OF SUPERHEATERS OF BIOMASSBURNED BOILERS(Ⅱ)[J]. Thermal power generation, 2009, 38(8): 41-45.
DOI：

YIN Jia-min1, WU Zhan-song21.Guangdong Electric Power Design Institute. CORROSION CHARACTERS OF TP347H STEEL UNDER ATMOSPHERE OF SUPERHEATERS OF BIOMASSBURNED BOILERS(Ⅱ)[J]. Thermal power generation, 2009, 38(8): 41-45. DOI：

摘要

模拟生物质锅炉过热器区的气相条件以及过热器管壁沾灰状况

在500~600℃范围内对奥氏体不锈钢TP347H进行了腐蚀试验研究。通过测定试样的增重量

得出了腐蚀动力学曲线;利用配有能谱分析仪的扫描电镜和X射线衍射仪

对试样腐蚀后的形貌结构、元素含量和腐蚀产物的组成成分进行了分析。结果表明

当试片表面存在生物质灰时

TP347H的腐蚀速率比无灰大大增加;沾有生物质灰的TP347H对反应温度非常敏感

随着反应温度的增加

TP347H的抗腐蚀性能逐渐降低。

Abstract

A study on corrosion test of TP347H austenic stainless steel has been carried out in a temperature range of 500~600 ℃

simulating the atmosphere and ash deposition on tube-wall of superheaters in biomass-burned boilers.The corrosion dynamic curves have been obtained through mass gain;the appearance

elements content

and composition of corrosion products after corrosion of specimens being analysed by using the scanning electron microscope(SEM) equiped with energy dispersive spectrometer(EDS) and X-ray diffraction(XRD) meter.Test shows that the corrosion rate of TP347H steel with biomass ash deposition is greatly increased compared with that without biomass ash deposition;the TP347H steel with biomass ash deposition is very sensitive to the reaction temperature

the anti-corrosion performance of TP347H steel is gradually decreased with the increase of reaction temperation.

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Related Author

YIN Jia-min

WU Zhan-songKey Laboratory of Thermal Science and Power Engineering under Educatoinal Ministry

LUO Bixiong1

YIN Jiamin1

WU Zhansong2 1.Guangdong Provincial Electric Power Design Institute

DING Yan-jun

WU Zhan-songKey Laboratory for Thermal Science and Power Engineering under Educational Ministry

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Related Institution

Department of Thermal Engineering, Tsinghua University

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