Method and apparatus for segregation testing of particulate solids
US7581458B2 · kind B2 · utility
2Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2006 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Jan 8, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N15/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A bed of particulate solids is fluidized in a test chamber to yield multiple test samples for subsequent evaluation of segregation effects. A controlled stream of gas enters the chamber in a series of flow rate cycles each progressively increasing to a maximum rate of gas flow and then decreasing, the maximum rate increasing for successive cycles. An indicating function is formed from measurements of corresponding rates of gas flow and pressure across the bed. Upon termination of the fluidization, multiple samples are sequentially extracted from a single space at the bottom of the test chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.