Process and apparatus for magnetic separation
Abstract
Abstract A METHOD AND APPARATUS FOR SEPARATING MATERIALS. THE MATERIALS TO BE SEPARATED ARE LOADED IN PARALLEL ROWS ON A CONVEYOR BELT AND PASS BY A DEMAGNETISING APPARATUS, A MAGNETISING APPARATUS AND THEN A SENSOR. AN ISOLATING APPARATUS IS LOCATED DOWNSTREAM OF THE SENSOR TO PHYSICALLY SEPARATE PORTIONS OF THE MATERIALS. UPON THE DETECTION OF A MAGNETIC FIELD OF A PREDETERMINED INTENSITY THE SENSOR PRODUCES A SIGNAL WHICH IS CARRIED TO THE ISOLATING APPARATUS VIA AN AMPLIFIER AND A DELAY DEVICE WHICH COMPENSATE FOR THE TIME TAKEN FOR A PORTION OF THE MATERIALS TO BE CONVEYED FROM THE SENSOR TO THE ISOLATING APPARATUS. THE SENSOR IS PREFERABLY A DIFFERENTIAL INDUCTION DEVICE. THE SENSOR MAY BE ROTARY IN WHICH CASE IT IS USEFUL FOR SEPARATING FINELY CRUSHED OR POWDERY MATERIALS.
Inventors
- 👤 Claude Jacques Vibert
- 👤 Louis Jean Theodore Le Pape
Bibliographic Details
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