Patent · US Expired

Device for feeding fluidizing gas to the openings in a grid for supporting a bed of particles to be fluidized

US4968492A · kind A · utility

9Cited by
7References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 1989
Grant dateNov 6, 1990
Priority date
Expiry dateAug 16, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J8/44
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The device for feeding fluidizing gas to the openings (1) in a fluidizing grid (2) comprises an end piece (4) fitted on each bottom inlet (3) to each opening (1) and having a length e lying in the range between 0 and 0.5 times the diameter d of the end piece, and a cup (5a) into which the end piece extends, with the bottom (6) of the cup being at a distance i from the end piece, which distance may optionally be adjustable. The entire device is housed in a fluidizing gas feed box (5).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.