CAJ | 학술논문

研究NiO/Fe2O3湿式混合与球磨过程中的噪声能消耗、球磨效率及二者之间的关系。结果表明，球磨工艺的最佳工艺参数为：填水率64.10%~85.47%，小/大球个数比360/20，球磨机转速300.9 r/min，填粉率约10.88%，填球率20.53%~23.88%，球磨时间6 h。引入离散元法(DEM)分析球磨过程中噪声能消耗与球磨效率之间的关系，得到噪声能消耗与填球率关系的经验方程。研究表明粉体的平均粒度随着噪声能的消耗而减小，而球磨效率和球碰撞能的利用率则随着噪声能消耗的增加而减小。
연구NiO/Fe2O3습식혼합여구마과정중적조성능소모、구마효솔급이자지간적관계。결과표명，구마공예적최가공예삼수위：전수솔64.10%~85.47%，소/대구개수비360/20，구마궤전속300.9 r/min，전분솔약10.88%，전구솔20.53%~23.88%，구마시간6 h。인입리산원법(DEM)분석구마과정중조성능소모여구마효솔지간적관계，득도조성능소모여전구솔관계적경험방정。연구표명분체적평균립도수착조성능적소모이감소，이구마효솔화구팽당능적이용솔칙수착조성능소모적증가이감소。
The relationship between the efficiency of NiO/Fe2O3 wet grinding and noisy-power dissipation was studied. The optimal grinding parameters were found as:a slurry water content of 64.10%-85.47%, ball number ratio of 360/20, revolution speed of 300.9 r/min, powder-filling ratio of 10.88%, ball-filling ratio of 20.53%-23.88%, and grinding time of approximately 6 h. The discrete element method (DEM) was employed to analyze relationship between the noisy-power dissipation and the grinding efficiency, and equations describing the relationship were derived. The mean particle size of the ground powder decreased with a decrease in the degree of noisy-power dissipation, while the grinding efficiency and the amount of specific impact power used decreased with an increase in the degree of noisy-power dissipation.