Method and apparatus for the detection of stagnant regions in a fluidized bed or in pneumatic conveying lines
US4275353A · kind A · utility
3Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1979 |
| Grant date | Jun 23, 1981 |
| Priority date | — |
| Expiry date | Aug 23, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2208/00734
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A probe electrode is mounted across the wall of a fluidized bed column or solid particles feed thereto, and an air gap between the probe electrode and a neon lamp causes lamp flashes when the particles are normally circulating and allows the detection of stagnancy of the particles in absence of light flashes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.