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OALib Journal期刊
ISSN: 2333-9721
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有机钙作用下褐煤so2、no析出及燃烧特性
, PP. 149-155
Keywords: 有机钙,褐煤,so2、no析出特性,燃烧特性
Abstract:
？在管式炉上研究了醋酸调制白云石产物、醋酸钙、丙酸钙等有机钙作用下龙口褐煤燃烧时so2、no的析出特性,并在热分析系统上考察了相应的燃烧特性。合适的工况条件下有机钙能有效抑制so2、no的析出。在973~1273k下,有机钙均能有效抑制so2的析出,而当温度继续升高,除醋酸钙外,其他有机钙抑制效果下降。在973~1173k时,有机钙促进了no的析出,而当温度高于1173k时,醋酸钙和丙酸钙的抑制效果明显。随着钙硫比的增加,有机钙对so2、no抑制效果普遍增强,而醋酸调制白云石产物在钙硫比为2.0~2.5时却促进no的析出。当钙硫比为2.0时,褐煤着火性能明显提高,着火点降低10~33k,但其燃尽时间稍有延长。
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