Electronically controlled Baum jig washing
One can list the obvious as well as the future possible advantages of using radar monitorig in Baum jig operations. The radar beam measures continuously and accurately the slightest differences taking place in the weight of discard material gathering on the grid-plates. These measurements are transmitted to a panel on which calibrated dials indicate variations in the shale bed, the rate of shale discharge, the separation gravity and the speed of pulsation. Also indicated are such features as heavy load or overload conditions, light feed or normal feed conditions, with alarm signals to indicate to the operator that his attention is required. The discharge of shale (and middlings) is automatically regulated from the measurements taken by the radar device, through a variable orifice valve situated on top of the compression chamber. The principal aim of the control process is to maintain uniform conditions within the bed of material so that the most efficient stratification can be produced. The relationship between the radar device and the variable orifice valve which regulates shale discharge is such that the adjustment of a knob on the electronic panel will instantly alter the specific gravity of separation. The radar signals can be linked up with other electronic equipment to control the raw coal feed to the jig thus avoiding overloading or light loading. A Baum jig with radar automatic controls would appear ideally suited for integration with a completely computerized coal preparation plant.
- OSTI ID:
- 5750093
- Journal Information:
- Mine Quarry; (United States), Journal Name: Mine Quarry; (United States) Vol. 8:7; ISSN MQRYA
- Country of Publication:
- United States
- Language:
- English
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