%0 Journal Article %T 潮湿煤炭水分对气流分级效果的影响 ' %A 于凤芹 %A 刘炯天 %A 孙乾 %A 张军华 %A 章新喜 %A 蒋善勇 %J 洁净煤技术 %D 2007 %X 利用自行设计制备的新型潮湿煤炭分级设备,进行了潮湿煤炭外在水分对气流分级效率的影响研究,在外在水分为6%时可以获得总分级效率82.92%、分级精度0.61,在外在水分为10%仍然可以获得总分级效率77.02%、分级精度0.57。在外在水分很高的情况下采用本设备仍然可以获得理想的分级效果。 A new apparatus for wet coal classification were designed,some experiments have been done to explore the efficiency on pneumatic classification of the wet coal's moisture,In the condition of 6%,the classification effi- ciency achieved 82.92% with the classification precision 0.61,when the surface moisture is 10%,the efficiency achieved 77.02% with the precision 0.57.An ideal efficiency can be achieved by using this apparatus when the surface moisture is very high %K 潮湿煤炭 %K 气流分级 %K 分级效率 %K 分级精度 wet coal %K pneumatic classification %K classification efficiencies %K classification precision %U http://www.jjmjs.com.cn/WKD/WebPublication/paperDigest.aspx?paperID=3d490121-6a7e-47f7-a5ba-cc8d5b861468