Scraper assembly for use with a fluidized bed condenser
US4291753A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1979 |
| Grant date | Sep 29, 1981 |
| Priority date | — |
| Expiry date | Feb 7, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S165/079
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A fluidized bed condenser for use in condensing zirconium tetrachloride or hafnium tetrachloride vapor into solid zirconium tetrachloride or hafnium tetrachloride includes a scraper assembly. The scraper assembly includes at least one scraper arm located adjacent an inlet through which fluid zirconium tetrachloride or hafnium tetrachloride enters the condenser vessel. A cleanout rod is also mounted on the vessel to clean out the inlet, and the scraper includes a cleanout assembly for preventing build up of solid material in a solid outlet area defined in the vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.