粮油食品科技

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磨粉机磨辊齿型参数与功耗关系研究
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Research on the relationship between tooth profile parameters and power consumption of roller mill
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    摘要:

    通过分析磨粉机在皮磨系统研磨物料粒度与齿型参数的关系,确定邦德理论更适用磨粉机功耗关系研究。将粒径等参数带入邦德公式可知,功耗的影响因素与齿型、物料特性、磨辊速度、辊长、轧距、研磨时间和研磨前后的颗粒粒径有关。以Ⅰ~Ⅳ皮磨系统为研究对象,取轧距分别为0.8、0.6、0.4、0.2 mm,并做适当简化,运用Matlab绘出皮磨系统的功耗与齿深的关系图。由图可知,功耗随着齿辊磨损而逐渐增大。当磨损达到一定程度时,功耗变化急剧增大。由于功耗是评判磨辊是否需要拉丝或更换的重要指标,根据邦德定理从理论角度建立磨粉机功耗数学模型,为进一步研究齿辊磨损寿命与能耗关系提供理论参考。

    Abstract:

    Based on the analysis of the relationship between granularity of ground material and the tooth profile parameter of roller mill, Bond theory of power dissipation was selected to study power consumption of the roller mill. It showed that power consumption was affected by flute profile, material characteristics, roller speed, roll length, roll clearance, grinding time and the particle sizes before and after grinding. The relational graph of power consumption with tooth depth in break system was drawn up by Matlab and simplified properly, taking Ⅰ~Ⅳ break system as the research object, with roll clearance of 0.8, 0.6, 0.4, 0.2 mm, respectively. The results showed that the power consumption increased gradually with the increase of the wear extent of flute. When the wear reached a certain degree, the power consumption changed sharply. Since power consumption is one of the important indicators to judge whether the roller needs drawbench or to be changed, the power consumption mathematic model based on Bond theory provides reference for further study on the relationship between wear of tooth roller and energy consumption.

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黄奇鹏,武文斌,李 聪,林冬华,孟 乐.磨粉机磨辊齿型参数与功耗关系研究[J].粮油食品科技,2019,27(1):30-33.

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  • 在线发布日期: 2019-01-30
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