Method and apparatus for automatically controlling the rate of settlement of a solid in suspension in a liquid
Abstract
Abstract METHOD AND DEVICE FOR AUTOMATICALLY CONTROLLING THE RATE OF SETTLEMENT OF A SOLID IN SUSPENSION IN A LIQUID MEDIUM, IN PARTICULAR OF A PRECIPITATE FORMED IN THE LIQUID MEDIUM, AS A CONSEQUENCE OF A CONTINOUS CHEMICAL REACTION. PARTS OF THE SUSPENSION ARE PERIODICALLY DRAWN OFF FROM SAID MEDIUM AND DELIVERED TO A SETTLEMENT CELL TO BE SUBJECTED TO A CYCLE OF OPERATIONS WHICH COMPRISES STOPPING THE ABOVE DELIVERY WHEN THE SUSPENSION HAS REACHED A SET LEVEL IN THE CELL, MEASURING THE SETTING TIME OF THE INTERFACE OF THE PRECIPITATE AND OF THE SUPERNATANT LIQUID WHICH FORMS IN THE SUSPENSION AT REST, BETWEEN AN UPPER SET LEVEL AND A LOWER SET LEVEL IN SAID CELL, AND DISCHARGING OF THE SUSPENSION FROM THE CELL.
Inventors
- 👤 Paul Cahour
- 👤 Jean Decrop
- 👤 Alain Ledac
Bibliographic Details
Claims Analysis
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