低阶煤分级研磨制浆工艺技术在我厂的应用
M-Sized Nitrogenous Fertilizer Progress(2013)
Abstract
<正>我厂目前使用的神木煤具有低灰分、低硫、低磷、低灰熔点(1 080~1 130℃)、中高发热量、热稳定性好、化学活性好、不粘结及有害杂质极低等特点,较适合水煤浆加压气化工艺用煤要求,且价格比烟煤便宜。但由于它属于低阶煤,又具有高内在水分、高比表面、高极性官能团含量和可磨性差等特点,难以制取高浓度水煤
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