Distributor for multistage fluidized beds

Patent · Tue Jun 16 00:00:00 EDT 1992

OSTI ID:7171734

Wormser, A

This patent describes a multibed fluidized bed system. It comprises a fluidized bed vessel having a casing surrounding a first distributor and a second distributor downstream from the first distributor; a first bed material placed on the first distributor and a second bed material placed on the second distributor; each of the bed materials having an angle of repose; and wherein the angle formed by the substantially straight elongated tubular passages and the upper surface is less than the angle of repose of the second bed material.

• Assignee: NOV; NOV-92-041090; EDB-92-154905
• Patent Number(s): US 5122346; A
• Application Number: PPN: US 7-521579
• OSTI ID: 7171734
• Resource Relation: Patent File Date: 10 May 1990
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
42 ENGINEERING
COAL
FLUIDIZED-BED COMBUSTION
FLUIDIZED BEDS
TECHNOLOGY ASSESSMENT
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COMBUSTION
ENERGY SOURCES
FOSSIL FUELS
FUELS
MATERIALS
OXIDATION
THERMOCHEMICAL PROCESSES
014000* - Coal
Lignite
& Peat- Combustion
421000 - Engineering- Combustion Systems