分析了抚顺石化公司腈纶化工厂腈纶纺丝组件清洗工序原有的硝酸尾气治理工艺方案,认为存在着较严重的硝酸损失及废气污染问题。
The existing process scheme to treat nitric acid tail gas from the washing stage of acrylon filature components in acrylon chemical Plant of Fushun Petrochemical Company was analyzed.
结果表明,压缩机(火用)损失接近系统总输入(火用)的50%,床层(火用)损失接近30%,冷却器(火用)损失为9。 39%,废气带走的(火用)为5。 73%; 总(火用)效率为8。 51%。
It is showed that the exergy loss ofthe compressure is nearly50% of total input exergy and the bed column almost30% the coler 9.39% the waste gas 5.73% the total energy efficiency is only8.51%.
又由于烟道废气大部份处于循环利用状态,从而降低了废气排放导致的空气污染,同时避免了废气排放导致的热能损失,可有效提高炉窑的热效率。
The circular utilization of the flue gas can lower the air pollution caused by the waste gas exhaust and raise the heat efficiency of furnace and kiln.
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