CWS is a new coal-based liquid fuel, from about 60% to 70% coal, 30% to 40% water and a small amount of chemical additives prepared from solid, liquid two-phase dispersion system. It has good liquidity and stability, pumpable, is an ideal substitute for oil clean coal fuel atomization and stable combustion. China is a rich coal resources and oil resources plaque and needy countries, CWS as a clean energy source, can reduce the serious pollution caused by traditional coal development and utilization of technology on our environment; and it can be directly used for boiler-generation oil combustion and gasification polygeneration for coal chemical and power generation, how to use low-quality coal preparation of high-quality coal slurry, coal-water slurry into a slurry and mobility how to improve, how to improve the coal-water slurry gasification efficiency is hot and difficult problems of coal-water slurry research has important significance and application prospects. Ning East coalfield rich in coal resources, Ningxia coal chemical industry raw material industrial base. The gasification technology is an important component of clean coal technology, more than 1000t / d scale coal gasification plant are basically the entrained flow gasification technology, which has become a domestic large-scale, high-efficiency coal gasification technology the technology of choice. The slag liquid slag, furnace wall lining is often encountered by the poor flow of high temperature liquid coal ash erosion and liquid coal ash blocking residue, resulting in the problem of nozzle clogging during operation. Generally be applied additive way to solve this problem, but using Add a flux, is bound to a certain extent, an increase of oxygen consumption, the amount of slag and slag heat loss, blending can effectively reduce the ash fusion temperature, so as to control coal ash the purpose of the melting characteristics. The main purpose of this experiment is the to explore coal - ash melting point - into a pulp - macerals law provide experimental criterion for the preparation of Ning Dong Coal Water Slurry Preparation.
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