Breakthrough in Clinker grinding

R. Bohan, J. Kline
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Abstract

Particle size reduction is one of the most energy intensive and inefficient processes in use today. Traditional means for calculating energy requirements used for sizing equipment rely on empirically derived formulas and indices. The standard work indices of Kick, Bond and Von Rittinger each work within specific particle size ranges based on empirically derived factors. To date the true energy required for size reduction alone is still unknown. Because of this the true efficiency of size reduction processes are also unknown. Fundamental research at the Massachusetts Institute of Technology's (MIT) Concrete Sustainability Hub (CSH) is taking a closer look at the theoretical power required for particle size reduction on the micro scale. This work has the potential to greatly reduce the power required for cement manufacture. This paper reviews the MIT research and discusses the possible implications and next steps for that work.
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熟料研磨的突破
颗粒尺寸减小是当今使用的最耗能和效率低下的过程之一。计算施胶设备所需能量的传统方法依赖于经验推导的公式和指数。Kick、Bond和Von Rittinger的标准功指标均基于经验推导的因素,在特定的粒径范围内工作。到目前为止,仅仅缩小尺寸所需的真正能量仍然是未知的。因此,尺寸减小过程的真正效率也是未知的。麻省理工学院(MIT)混凝土可持续性中心(CSH)的基础研究正在仔细研究在微观尺度上减小颗粒尺寸所需的理论力量。这项工作有可能大大降低水泥制造所需的功率。本文回顾了麻省理工学院的研究,并讨论了可能的影响和下一步的工作。
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