CORROSIVE CHARACTORS OF TP347H STEEL IN SUPERHEATER'S ATMOSPHERE OF BIOMASS-BURNED BOILER

YIN Jia-min; WU Zhan-songKey Laboratory of Thermal Science and Power Engineering under Educatoinal Ministry

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CORROSIVE CHARACTORS OF TP347H STEEL IN SUPERHEATER'S ATMOSPHERE OF BIOMASS-BURNED BOILER

更新时间：2025-09-28

- CORROSIVE CHARACTORS OF TP347H STEEL IN SUPERHEATER'S ATMOSPHERE OF BIOMASS-BURNED BOILER
- Thermal Power Generation Vol. 38, Issue 7, Pages: 27-31(2009)
- 作者机构：
  
  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：
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- Published：2009
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YIN Jia-min, WU Zhan-songKey Laboratory of Thermal Science and Power Engineering under Educatoinal Ministry. CORROSIVE CHARACTORS OF TP347H STEEL IN SUPERHEATER'S ATMOSPHERE OF BIOMASS-BURNED BOILER[J]. Thermal power generation, 2009, 38(7): 27-31.
DOI：

YIN Jia-min, WU Zhan-songKey Laboratory of Thermal Science and Power Engineering under Educatoinal Ministry. CORROSIVE CHARACTORS OF TP347H STEEL IN SUPERHEATER'S ATMOSPHERE OF BIOMASS-BURNED BOILER[J]. Thermal power generation, 2009, 38(7): 27-31. DOI：

摘要

模拟生物质锅炉过热器区的气相条件

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

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。试验表明

TP347H的耐腐蚀性很好

但是对反应温度和气相中HCl的浓度非常敏感

并且随着反应温度和HCl浓度的增加

TP347H的抗腐蚀性能逐渐降低。

Abstract

A corrosion test of austenitic stainless steel TP347H has been carried out in the temperature range of 500~600 ℃

simulating the atmospheric condition in superheater's zone of biomass-burned boiler.Through mass gain of the specimans

the corrosive dynamic curves have been obtained.The appearance and structure

the element's content

and the composition of corrosion products of specimans after corrosion have been analysed by using scanning electron microscope(SEM) coordinated with energy dispersive spectrometer(EDS) and X-ray diffraction(XRD) meter.Results of test show that the corrosion-resistant behavior of TP347H steel is very good

but it is extremly sensitive to the reaction temperature and concentration of HCl in the gas-phase.The anti-corrosion performance of said steel decreases with increasing of the reaction temperature and concentration of HCl.

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Related Author

YIN Jia-min1

WU Zhan-song21.Guangdong Electric Power Design Institute

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

YANG Tao

Related Institution

Guangdong Electric Power Design and Research Institute

Department of Thermal Engineering, Tsinghua University

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