The Research Of Universal Partition Curve Model In Gravity-fed Three Product Heavy Medium Cyclone

To create a new preparation plant, reform a preparation plant, replace the dense medium separation machine, commonly need to predict the effect by use of the partition curve. When lack of the actual sorting data, usually take the approximate formula as partition curve for predicting. The advantage of the approximate formula is easy to use, but the disadvantages are also very clear:the prediction effect of approximate formula usually better than the actually separation effect. So, when lack of actual distribution curve material, we need a distribution curve model which more accurately and easy to use. The general distribution curve model is put forward on such a background.In1978at the University of Pittsburgh, B.S. Gottfried first put forward the general distribution professor curve concept in the United States. In domestic only Professor Lu Mai-xi at China University of Mining and Technology put forward the general distribution curve model about jigging coal. As to dense medium separation, though, the general distribution curve model is still in point blank stage, In view of gravity-fed three products H. M. cyclone is more and more extensive employed, so this paper will put forward the general distribution professor curve model in allusion to it.This paper collected a lot of single machine detecting data of gravity-fed three products H. M. cyclone. The author through analyzing the data, completing relate calculation, simulating the distribution rate by the use of mathematical model under the condition of the same Ep value, using a parallel moving theory, then get the general distribution curve model's specific shape. Through the contrast with practical data value and approximate formula, demonstrates the general distribution curve model not only has higher precision, but also convenient to use, so it is worthy to be popularized.The conclusion of this paper can supply a theoretical guidance to design a preparation plant and process reconstruct, guide the practical production, is of great significance for popularization. Figure17; table18; reference37...