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中文摘要：
为了实现气固流化床选煤系统的连续、高效运行,设计了一种新型的高效干法分选机,该分选机的主要优点为：提出了加重质短距回流装置,使机外的加重质循环量减少了80%,有利于维持床层高度及密度的均匀与稳定,且减小了加重质运载设备的负荷及数量,降低了运行成本;开发了易拆卸布风装置,拆卸耗时缩短了90%。因此,基于该分选机建立的模块式分选系统可连续、有效地分选50～6mm煤炭。结果表明,分选密度为1.61g/cm^3时,所得可能偏差E值为0.06g/cm^3。
英文摘要：
To realize he coninuous and highly-efficien operaion of coal beneficiaion sysem using a gas-solid fluidized bed, a new ype of dry high-efficiency separaor was designed, he major advanages of he separaor are as follows： he shor device recycling medium solids was proposed. he circulaing mass of he medium solids ouside he separaor was decreased by 80%. his is, herefore, beneficial o he uniformiy and sabiliy of he bed heigh and densiy. Furhermore, he load and number of he conveyors for medium solids dropped, hus decreasing he operaing cos; he gas disribuor easily deached was developed, leading o a 90% decrease in removing ime. herefore, a modularized dry beneficiaion sysem based on he separaor can efficienly separae 50-6mm coal coninuously, he experimenal resuls show ha, a a separaing densiy of 1.61g/cm^3, a probable error, E, value of 0.06g/cm^3 was achieved.
同期刊论文项目
同项目期刊论文
Experimental and numerical simulation studies of the fluidization characteristics of a separating ga
The effect of feed-coal particle size on the separating characteristics of a gas-solid fluidized bed
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