摘要
采用二次正交旋转组合试验方法,取脱粒滚筒线速度、风口真空压强、果穗含水率为影响因素,破碎率、含杂率、未脱净率、吸杂误夹种率为目标函数,对影响玉米种子脱粒效果的部件尺寸和作业参数进行了试验验证和优化设计。试验分析得出:当脱粒滚筒线速度4.6~5.5 m/s、果穗含水率14.4%~15.9%、风口真空压强为6.3 MPa时,含杂率低于1.1%,破碎率低于0.86%,未脱净率低于1.1%,吸杂误夹种率低于0.44%。该试验研究可应用于立式轴流玉米单穗种子脱粒机的产品优化设计和作业参数选择。
Three structure and operation parameters which had effect on vertical axial-flow corn single panicle thresher were optimized. The quadratic rotary orthogonal experiments were carried out. Taking linear velocity of threshing cylinder,negative pressure value of fan,moisture content of cluster as effect factors,and broken rate,impurities,loss of entrapped grains,gettering drift loss as objective function,the structure size and operation parameters were experimented and optimized design. The result showed that when the linear velocity of threshing cylinder was 4. 6 ~ 5. 5 m / s,the moisture content of cluster was14. 4% ~ 15. 9%,the negative pressure value of fan was 6. 3 MPa,the broken rate was less than 1. 1%,impurities rate was less than 0. 86%,loss rate of entrapped grains was less than 1. 1%,and gettering drift loss rate was less than 0. 44%. This experiment's analysis could provide theory basis for the optimization design and operation parameter selection for the vertical axial single panicle threshing corn product.
出处
《农业机械学报》
EI
CAS
CSCD
北大核心
2014年第S1期73-79,共7页
Transactions of the Chinese Society for Agricultural Machinery
基金
农业科技成果转化资金资助项目(2012GB2C600257)
国家自然科学基金资助项目(31101090)
国家公益性行业(农业)科研专项经费资助项目(201203028.4)
关键词
玉米
单穗脱粒机
试验
优化
Corn Single grain thresher Experiment Optimization
