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《Transactions of the Chinese Society of Agricultural Engineering》 2008-12
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Structure and working principle of de-huller with multiple cutter units for lotus seeds

Zhang Yonglin,Yi Qiwei,Yu Qun,Wang Wangping,Hu Zhigang(Department of Mechanical Engineering,Wuhan Polytechnic University,Wuhan 430023,China)  
In order to reach high efficiency and low loss of mechanized de-hulling for lotus seeds,de-huller for lotus seeds was designed based on the cutting principle and corresponding to the physical and structure characteristics of lotus seeds.In the design of the de-huller,the lotus seeds were fed into the de-hulling channel in queue of the seeds with a certain heading orientation by using a screw expeller,and the de-hulling channel composed of two rotating supporting roller and a con-rotating cutting roller was established to realize the de-hulling of seeds.The integrated adjustment unit was designed for the adjustment of the main cutting parameters such as cutting force,cutting depth,two obliquities in horizontal and vertical plane so that the different variety and granularity of seeds were de-hulled.With the experiment on the a physical prototyping,the de-huller was specified with the capacity of above 100 kg/h,the de-hulling rate of 90%,the separating rate of kernel from hull of 92%and the broken rate of kernels of less than 3%.The analysis and practice demonstrated that the de-huller was characterized with the innovative design,stable performance,reliable operation and convenient adjustment and suited for the mechanical processing of lotus seeds.
【Fund】: 湖北省科技攻关计划项目(2006AA402C80)
【CateGory Index】: S226.4
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