1) grain pre cleaner
谷物粗选器
2) grain pre-cleaner
[农机]谷物粗选器
3) grain cleaning
谷物清选
1.
The quality of grain cleaning depends on four design parameters : oscillating frequency, acceleration and the direction, and velocity of air flow under fixed working conditions.
在现有气流振动筛选谷物清选机构使用条件一定的情况下,选择影响清选工作质量的4个主要运动学参数,即振动频率、加速度大小和加速度方向角以及气流速度作为设计变量,通过回归正交设计和台架试验的方法建立了清选工作质量与4个设计变量之间的数学模型,并通过优化设计求出这4个设计变量的最优配合方案。
4) cereal cleaning
谷物清选
1.
Working characteristics of vibration sieve in grain cleaning were investigated to improve cereal cleaning windmill.
使用谷物清选风车清选杂交水稻,推导出理想的曲柄转速为300 r/min,曲柄半径为10mm。
2.
The research and development situation of cereal cleaning mechanism at home and abroad were introduced in this thesis.
本文介绍了国内外关于谷物清选机械的研究动态和发展概况,确定了谷物清选风车的设计方案。
5) grain sorting machinery
谷物清选机
1.
After having investigated at home and abroad,this paper briefly introduced the analyzing-state of grain sorting machinery;Analyzed the working circumstance about wide-ranging used tumbling box and vibrating grain sorting machinery in granary,preliminarily found the problems on their working and also provided improvement measures as the basis for its further production and amelioration.
通过对国内外谷物清选机的调研,简要阐述谷物清选机的研究现状;分析了粮仓常用的滚筒式和振动式谷物清选机的工作状况,找出了存在的问题并提出了相应的改进措施。
2.
After having investigated at home and abroad, this paper briefly introduced types of the grain sorting machinery,especially introduced the principle ,types and characteristics about wide-ranging using four kinds of grain sorting machinery at present, this paper also analyzed the advantages and the insufficiencies of grain sorting machinery.
通过对国内外谷物清选机的调研与资料检索,综述了谷物清选机的种类,特别阐述了目前应用广泛的4种类型清选机的原理、类型及特点,分析了谷物清选机的优点和存在的不足。
6) grain color selector
谷物色选机
补充资料：粗选
粗选
roughing
CUXU0n粗选(r oughing)对入选原矿进行初步分选的作业或过程。原矿经过粗选，被分为粗精矿(或混合精矿)、中矿和尾矿等两种或两种以上的产物。粗选精矿或混合精矿一般需进行精选富集或进一步分离，才能得到合格精矿。粗选可以由一个分选作业来完成，其作业精矿或尾矿，一般需进行精选或扫选;也可以由若干分选作业组成的粗选段或粗选厂来完成。 (王士源)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条