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| SOME PROBLEMS ABOUT MATHEMATICAL MODEL FOR OPERATING PARAMETERS OF MINERAL PROCESSING MACHINERY |
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| DOI： |
| KeyWord:Mathematical modle,Vibration mill,Wet high-intensity magnetic separation |
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| Abstract: |
| Taking the problems existed in the mathematical models about the grinding technology of vibration mill and about the wet high-intensity magnetic separation in magnetic separator as example,it is pointed out that,for obtaining a reliable mathematical model,the main factors should not be neglected and the physical conception should be strictly distinguished while making a hypothesis,or resulting in a wrong model.It is also pointed out that the content of mathematical model should be complete and the steps to analyze real situation and to verify the model in practice are indispensable.In addition,it is mentioned that the dimension of Hgrad(H),which is encountered frequently in magnetic separation research and reflects the attractiveness of magnetic field,is unlike the dimension of force and calling it as a magnetic force is improper. |
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