The positive pressure distribution on the bearing surface of screw down system of 950 primary mill was studied using FEM and the corresponding improvement way has been put forward.
通过有限元分析，研究了950开坯机压下系统球面轴承表面正压力的分布情况，并据此提出了相应的改进措施。
Primary investigation based on the applications of liners of different material qualities has showed that, the ball mill liners made from high chrome cast-iron exhibits longer service life.
通过多种不同材质衬板的工业使用，初步探明了用高铬铸铁制造的球磨机衬板，使用寿命较长。
The screening technology is a primary way to insure high yield and super fineness of fine grinding mill. But it is mainly used in the obstructing equipment in the chamber of fine grinding mill.
采用磨内筛分技术是保证高细磨的高产量与高细度的主要技术措施，但主要使用在高细磨各粉磨仓的隔仓装置上。
Meanwhile analysis was made on how primary air, concentration of pulverized coal, mill outlet temperature and pulverized coal fineness affected ion ignition.
为此分析了点火过程中一次风速、煤粉浓度、磨煤机出口温度和煤粉细度等对等离子点火的影响。
The primary treatment of the paper mill black liquor and furol after neutralizing treatment by the upflow anaerobic digester is introduced in this paper.
本文介绍应用上流式厌氧消化器，将造纸和糠醛车间排出的高浓度有机废液——造纸黑液和糠醛废水经中和处理后，进行废水一级处理。
Based on the processing flow of Dashihe separation mill, using spiral sluice, the possibility of obtaining final concentrate under coarse primary grinding is searched for.
探索大石河选厂在生产流程的基础上，应用螺旋溜槽，获取粗磨后最终精矿的可能性。
Through installing recirculation tube on the mill and shrinking the primary air pipe diameter, the percentage of cool Sir To combustor is reduced by 8. 12%.
在增加磨煤机再循环风管的同时缩小一次风管径，使进入炉膛的冷风量减少了8.12%(总风量)。
Through installing recirculation tube on the mill and shrinking the primary air pipe diameter, the percentage of cool Sir To combustor is reduced by 8. 12%.
在增加磨煤机再循环风管的同时缩小一次风管径，使进入炉膛的冷风量减少了8.12%(总风量)。
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