多因素对高频气力分选机分选效率影响

来源 :辽宁工程技术大学学报(自然科学版) | 被引量 : 0次 | 上传用户:zuizui8321
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在给料速度一定的前提下,采用Design expert 7.1.3软件对高频气力分选机的风量、床面倾角、激振力进行试验方案设计和结果分析.结果表明:在其它操作条件一定的前提下,风量、床面倾角、激振力对分选效率的影响均为显著的,风量对分选效率的影响最大,激振力次之,床面倾角影响最小;通过分析实验结果并建立数学模型,最终可得到优化的实验条件.其结果为,在风量200 m3/h,床面倾角9°、激振力4.7 kN的条件下,可得到83.596 6%的分选效率. Design expert 7.1.3 software was used to test the air volume, bed inclination and exciting force of high-frequency pneumatic separator under the premise of constant feed rate.The results show that under other operating conditions, Under the precondition, air volume, bed inclination and exciting force have significant effects on the separation efficiency, the air volume has the greatest effect on the separation efficiency, the second is the excitation force, and the influence of the bed inclination is the least. By analyzing the experimental results and establishing The mathematical model can finally obtain the optimized experimental conditions.The results show that the separation efficiency of 83.596 6% can be obtained under the conditions of air volume of 200 m3 / h, bed inclination of 9 ° and excitation force of 4.7 kN.
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