垃圾焚烧炉受热面防护技术的研究进展

曲作鹏, 张贝贝, 谢广校, 杨宇曦, 王永田, 田欣利, 王海军

Research Progress on Protection Technology for Waste Incinerator Heating Surfaces

QU Zuopeng, ZHANG Beibei, XIE Guangxiao, YANG Yuxi, WANG Yongtian, TIAN Xinli, WANG Haijun

表2 Ni基合金/YSZ涂层1.3 a后的寿命预测结果[39]

Table 2 Life prediction results for Ni-based alloy/YSZ coating after 1.3 a[39]

Materical Position Temperature / ℃ Coating Corrosion environment Life time of coatings / a Gas Steam Corrosivity Effect of Soot Blower Position affected by SB Position not affected by SB 310HcbN 2ry SH steam outlet 488 450 YSZ/625 Strong Weak >3 ≥1.5 YSZ/NiCrBSi >3 ≥1.5 Cr3C2·NiCr <0.3 <0.3 Alloy625 Tertiary SH steam outlet 510 500 YSZ/625 Weak Middle >3 - YSZ/NiCrBSi >3 - Tertiary SH steam inlet 621 445 YSZ/625 Strong Strong >3 ≥1.5 YSZ/NiCrBSi >3 ≥1.5