Patent · US Expired

Scraper assembly for use with a fluidized bed condenser

US4291753A · kind A · utility

3Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1979
Grant dateSep 29, 1981
Priority date
Expiry dateFeb 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.