考察各种稀土元素及复合稀土药剂对灰分熔点的影响, 根据灰垢转化试验结果, 考察在模拟灰中添加稀土元素Ce, La, Nd或复配的药剂SH1210等对熔灰腐蚀的影响, 试验结果表明: 750 ℃下元素Ce, La, Nd及复配的药剂SH1210可以和模拟灰形成稳定高熔点化合物, 起到疏松灰垢的作用; 750 ℃在熔灰中添加Ce, La, Nd及复配的药剂SH1210能减缓熔灰腐蚀; 添加SH1210可提高金属的抗热腐蚀性能.
参考文献
| [1] | Prost E .The fusibility and composition of coal cinders[J].Coll Guard,1965,70:796. |
| [2] | Sage W L;Mcllroy J B .Relationship of coal ash viscosity to chemical composition[J].Engineering of Power,1960,4:145. |
| [3] | Bryers R W .Fireside slagging,fouling,and high-temperature corrosion of heat-transfer surface due to impurities in steam-raising fuels[A].,1996,22:29. |
| [4] | Thomas W H.Inorganic Constituents of Petroleum[M].London:Oxford University Press,1938:65. |
| [5] | Bowden A T;Draper P;Rowling H.The problem of fuel oil ash deposition in open-cycle gas turbines[A].,1953:167. |
| [6] | Miller P D;Slunder G J;Krause H H.Control of corrosion and deposits in stationary boilers burning residual fuel oil[A].Navy Department,1963:5. |
| [7] | Sinha R K .High-temperature fireside corrosion and its control by chemical additives[J].MP,1992,4:44. |
| [8] | Tiwari S N;Prakash S .Magnesium oxide as inhibitor of hot oil ash corrosion[J].Materials Science and Technology,1998,14:467. |
| [9] | Bornstein N S;Roth H A;Pike R A .Vanadium Corrosion Inhibitor[P].US:005637118A,1997. |
| [10] | 李碚;高怀荪;江丽萍 .铈提高Fe-15Cr合金抗氧化能力的作用机制[J].中国腐蚀与防护学报,1986,6(03):205. |
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