【摘要】 在煤直接液化工艺中,油煤浆和液化残渣的流变特性参数是工艺设计的重要基础数据之一。本文总结了我国液化油煤浆在常压常温、常压升温和加压升温条件下流变特性的研究进展和相应的流变模型,介绍了溶剂的性质、煤在溶剂中的溶胀、煤的热溶产物或初始液化反应产物等对煤浆体系黏度变化的影响,对开展我国液化油煤浆和液化残渣的流变特性研究,具有一定的指导意义。更多还原

【Abstract】 The rheological behavior of coal-oil slurry(COS) and coal-liquefied residue is fundamental information for direct coal liquefaction.The development and corresponding models of the rheological properties of Chinese COS under conditions,such as at ambient temperature under atmospheric pressure,during heating under normal pressure and at elevating temperature under high pressure,were summarized.The predominant factors affecting the viscosity of COS systems,such as the nature of solvent,the swelling property of coal,and the thermal dissolution or initial liquefied products were introduced.It could provide guidance for the research on rheology of COS and liquefaction residue.更多还原