Fluidized bed reactor using capped dual-sized contact units and methods for use

Patent · Tue Aug 14 00:00:00 EDT 1990

OSTI ID:6769847

Zenz, F A

This patent describes a fluidized-bed, gas-solids reactor. It comprises:an enclosure vessel having a reaction chamber provided in its lower portion containing a dense phase fluidized bed of particulate solids material; means for feeding fresh particulate solids material into fluidized bed in the reactor chamber; a riser-downcomer unit; distributor means for introducing primary gas upwardly into the fluidized bed, and means for introducing secondary gas upwardly into the central riser passageway; and a cyclone separator flow connected to the vessel upper end portion for outward passage of gases and entrained solids therethrough.

• Assignee: HRI, Inc., Lawrenceville, NJ (USA)
• Patent Number(s): US 4947843; A
• Application Number: PPN: US s 7-348848
• OSTI ID: 6769847
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010800 -- Coal
Lignite
& Peat-- Waste Management
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
CONCENTRATORS
CYCLONE SEPARATORS
EQUIPMENT
FLUIDIZED BED REACTORS
FLUIDS
FUEL DISPERSION REACTORS
GASES
HOMOGENEOUS REACTORS
INERTIAL SEPARATORS
PARTICLES
PARTICULATES
POLLUTION CONTROL EQUIPMENT
REACTORS
RECYCLING
SEPARATION EQUIPMENT
SOLIDS
TECHNOLOGY ASSESSMENT