B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
209/85
B03B 5/30 (2006.01) B03B 5/34 (2006.01) B03B 9/00 (2006.01) B04C 5/30 (2006.01)
Patent
CA 1317912
ABSTRACT OF THE DISCLOSURE A method is disclosed of enriching raw material comprising a mixture of coal and coal spoil to produce an enriched coal product. The method uses hydrocyclonic separation with a suspension medium containing coal, coal spoil and a liquid and includes the steps of supplying raw material to the intake of a first stage of hydrocyclonic separation, and extracting at a first output of the first stage of hydrocyclonic separation an enriched coal product and extracting at a second output of the first stage of hydrocyclonic separation a mixture of coal and coal spoil. The mixture of coal and coal spoil from the second output of the first stage of hydrocyclonic separation is then passed to the intake of a second stage of hydrocyclonic separation, and a middling type material is extracted at a first output of the second stage of hydrocyclonic separation and a refuse type material is extracted at a second output of the second stage of hydrocyclonic separation. The middling type material is divided from the second stage of hydrocyclonic separation into a first part and a second part, the first part being directed to an intake of the first stage of hydrocyclonic separation and the second part being directed to an intake of the second stage of hydrocyclonic separation.
576848
Felmeri Istvan
Ferencz Jozsef
Stum Rezso
Felmeri Istvan
Ferencz Jozsef
G. Ronald Bell & Associates
Haldex Vallalat
Stum Rezso
LandOfFree
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