焦炉煤气HPF氨法脱硫装置优化改造

Optimization of HPF ammonia desulfurization unit for COG

介绍了HPF氨法脱硫装置运行情况,配合煤含硫量高、脱硫系统温度高是造成HPF氨法脱硫超标的主要原因。在不改变配煤比的情况下,通过增设脱硫液冷却器以降低脱硫液温度,使HPF氨法脱硫出口的硫化氢含量降至100mg/m^3左右,取得了良好效果。

This paper introduces the HPF ammonia desulfurization unit for COG.The reasons which caused the excess of the H2S in the HPF ammonia desulfurization unit are the high sulfur content of the mixed coal and the high temperature of the desulfurization unit.The H2S content in the COG after the HPF ammonia desulfurization unit can be decreased to about 100 mg/Nm3 by adding a cooler for the desulfurization liquid without changing the coal blending ratio, which obtains good results.