RESEARCH AND IMPROVEMENT OF SPIRAL BUNKER
RESEARCH AND IMPROVEMENT OF SPIRAL BUNKER出 版 物：《Journal of Coal Science & Engineering(China)》 (煤炭学报（英文版）)
年 卷 期：1996年第2卷第1期
页 面：111-116页
学科分类：081901[工学-采矿工程] 0819[工学-矿业工程] 08[工学]
主 题：bunker spiral chute mathematical model
摘 要：A great attention has been paid to slowing the degradation of coal nowadays. The spiral bunker is the main measure to lower the degradation. In this paper the application and research of spiral bunker are introduced. And two non-normal spiral chutes are discussed. One is in the tangential direction of the inner wall of the bunker, another is in the direction of the diameter of the bunker. Mathematical models of the non-normal spiral chutes are set up to optimize the geometrical parameters of the spiral curved surface, which would ensure that coal travels smoothly to the bottom of the bunker. The results would be useful for designing and retrofitting the spiral bunker.
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