Injector for calciner

Patent · Tue Oct 04 04:00:00 EDT 1983

OSTI ID:5506726

Davis, R L; Edwards, D L; Graf, H G; Macbeth, Jr, W B

Combustion gas such as air, oxygen-enriched air or oxygen is introduced to a calcining zone at an intermediate level in a vertical shaft kiln for the calcining of petroleum coke utilizing a plurality of radially disposed combustion gas injectors and at least one vertically disposed injector located within the shaft kiln and extending into the calcining zone. The injector includes means for circulating coolant around the periphery of the injector so that common metals may be used in the high temperature (above 2000/sup 0/ F.) environment of the shaft kiln. The vertical combustion gas injector may extend from the top of the calcining chamber to the calcining zone or from the bottom of the calcining chamber to the calcining zone. When the vertical combustion gas injector extends vertically upwardly from the bottom of the calcining chamber, means for introducing recycle gas to the calcining chamber may be incorporated into the vertical combustion gas injector.

• Assignee: Conoco Inc.
• Patent Number(s): US 4407700
• OSTI ID: 5506726
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010406* -- Coal & Coal Products-- Pyrolysis & Cracking-- (-1987)
AIR
CALCINATION
CHEMICAL REACTIONS
COKE
COMBUSTION
COOLING
DECOMPOSITION
ELEMENTS
FLUIDS
GASES
INJECTION
INTAKE
KILNS
MATERIALS
NONMETALS
OXIDATION
OXYGEN
PETROLEUM PRODUCTS
PYROLYSIS
RECYCLING
THERMOCHEMICAL PROCESSES