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作 者:王利鹤[1] 刘飞[2] 赵永来[1] 李海军[2] 李颖 WANG Lihe;LIU Fei;ZHAO Yonglai;LI Haijun;LI Ying(Vocational and Technical College of Inner Mongolia Agricultural University,Inner Mongolia Baotou 014109,China;School of Mechanical and Electrical Engineering,Inner Mongolia Agricultural University,Inner Mongolia Hohhot 010018,China)
机构地区:[1]内蒙古农业大学职业技术学院,内蒙古包头014109 [2]内蒙古农业大学机电工程学院,内蒙古呼和浩特010018
出 处:《饲料工业》2022年第3期30-34,共5页Feed Industry
基 金:国家自然科学基金项目[51665047];内蒙古自然科学基金项目[2019MS03069]。
摘 要:针对目前肉羊颗粒全混合日粮(PTMR)饲喂机普遍存在比能产量低、送料均匀度低、破碎率高问题,通过搭建肉羊PTMR饲喂机试验台,以PTMR为试验对象,以螺旋推运器转速(A)、带式输送器转速(B)、平带传动装置线速度(C)为试验因素,比能产量(R1)、送料均匀度(R2)、破碎率(R3)为试验指标开展性能试验。正交旋转试验结果表明:试验因素对比能产量影响由大到小依次为A>B>C;试验因素对送料均匀度影响由大到小依次为C>A>B;试验因素对破碎率影响由大到小依次为A>B>C。通过优化求解并进行试验验证,得到试验最优参数为螺旋推运器转速(A)57.96 r/min、带式输送器转速(B)150.42 r/min、平带传动装置线速度(C)0.40 m/s。Because pelleted total mixed ratio(PTMR)for mutton sheep generally has the problems of low specific energy yield,low feeding uniformity and high crushing rate at present.The test-bed of PTMR for mutton sheep has been built,and the performance test was carried out.The granular fully mixed ration(PTMR)was taken as the test object.The screw pusher speed A,the belt conveyor speed B and the flat belt conveyor linear speed C were taken as factors of the test.The specific energy output R1,feeding uniformity R2 and crushing rate R3 were taken as the test indexes.The results of the orthogonal rotation test showed that the influence of experimental factors on energy yield was A>B>C in descending order;the influence of test factors on feeding uniformity was C>A>B in descending order;the influence of test factors on crushing rate in descending order was A>B>C.Through the optimization solution and experimental verification,it was obtained that the optimal test parameters were screw pusher speed A 57.96 r/min,belt conveyor speed B 150.42 r/min and flat belt drive linear speed C 0.40 m/s.
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