Research Progress and Direction Thinking on Corrosion of Key Heat Transfer Components in Waste Incineration Boilers

doi:10.11902/1005.4537.2019.073

Journal of Chinese Society for Corrosion and protection

2020, Vol. 40

Issue (3): 205-214 DOI: 10.11902/1005.4537.2019.073

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Research Progress and Direction Thinking on Corrosion of Key Heat Transfer Components in Waste Incineration Boilers

JIANG Xuguang(

), LIU Xiaobo

State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China

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Abstract

The research progress on the corrosion of key heat transfer components of boilers in domestic waste incineration power plants was reviewed. The corrosion characteristics and mechanism of three common corrosion types including chlorine corrosion, sulfur corrosion and alkali metal salt corrosion have been discussed respectively. Factors affecting corrosion were analyzed，such as metal materials, temperature, corrosive medium content, water vapor and heavy metal elements. The main achievements and shortcomings of the current research were summarized, and on this basis, further research directions were also proposed.

Key words: waste incineration chlorine sulfur alkali metal coupled corrosion

Received: 05 June 2019

ZTFLH:

TK224.9

Fund: National Key R&D Program of China(2018YFF0215001);National Key R&D Program of China(2018YFC1901302);National Key R&D Program of China(2017YFC0703100);Innovative Research Groups of National Natural Science Foundation of China(51621005);National Natural Science Foundation of China(51676172);Fundamental Research Funds for Zhejiang University(2018FZA4010);Fundamental Research Funds for Zhejiang University(2016FZA4010)

Corresponding Authors: JIANG Xuguang E-mail: jiangxg@zju.edu.cn

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Cite this article:

JIANG Xuguang, LIU Xiaobo. Research Progress and Direction Thinking on Corrosion of Key Heat Transfer Components in Waste Incineration Boilers. Journal of Chinese Society for Corrosion and protection, 2020, 40(3): 205-214.

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https://www.jcscp.org/EN/10.11902/1005.4537.2019.073 OR https://www.jcscp.org/EN/Y2020/V40/I3/205

Fig.1 Relationship between wall temperature and corrosion rate of heating surface of incinerator^[39]

Fig.2 Thermogravimetric results for the corrosion of iron at 400~700 ℃ in He±5% O₂±815 mg/m³ HCl^[5]

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