Progress in Multi Scale Research Methods on the Influence of Surfactants on Coal Wettability

本文从煤矿安全生产角度，系统综述了表面活性剂对煤润影响的多尺度研究方法进展。首先，介绍了煤尘润湿性能的研究背景和表面活性剂的关键作用；其次，归纳了不同类型表面活性剂的宏观实验研究成果及其头基与尾链结构的调控机制；再次，详细总结了分子动力学模拟和量子化学计算在揭示表面活性剂与煤相互作用微观机理中的应用；最后，探讨了未来在表面活性剂分子设计和煤尘治理技术中的发展趋势。本研究旨在为表面活性剂的优化设计提供理论支持，并为煤矿降尘技术的高效应用提供科学依据。From the perspective of coal mine safety production, this paper systematically reviews progress in multi scale research methods on the influence of surfactants on coal wettability. Firstly, the research background of coal dust wettability and the key role of surfactants are introduced. Secondly, the macroscopic experimental research results of different types of surfactants and the regulation mechanism of head group and tail chain structure are summarized. Thirdly, the application of molecular dynamics simulation and quantum chemical calculation in revealing the microscopic mechanism of the interaction between surfactant and coal is summarized in detail. Finally, the future development trends in surfactant molecular design and coal dust control technology are discussed. The purpose of this study is to provide theoretical support for the optimal design of surfactants and provide scientific basis for the efficient application of coal mine dust reduction technology.