Process for fixed bed coal gasification
Patent
·
OSTI ID:868459
- Greenville, SC
The combustion of gas produced from the combination of coal pyrolysis and gasification involves combining a combustible gas coal and an oxidant in a pyrolysis chamber and heating the components to a temperature of at least 1600.degree. F. The products of coal pyrolysis are dispersed from the pyrolyzer directly into the high temperature gasification region of a pressure vessel. Steam and air needed for gasification are introduced in the pressure vessel and the materials exiting the pyrolyzer flow down through the pressure vessel by gravity with sufficient residence time to allow any carbon to form carbon monoxide. Gas produced from these reactions are then released from the pressure vessel and ash is disposed of.
- Assignee:
- CRS Sirrine Engineers, Inc. (Houston, TX)
- Patent Number(s):
- US 5145490
- OSTI ID:
- 868459
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/48/
1600
air
allow
ash
bed
bed coal
carbon
carbon monoxide
chamber
coal
coal gas
coal gasification
coal pyrolysis
combination
combining
combustible
combustible gas
combustion
components
degree
directly
dispersed
disposed
exiting
fixed
fixed bed
flow
form
form carbon
gas
gas coal
gas produced
gasification
gasification involves
gravity
heating
introduced
involves
involves combining
materials
monoxide
oxidant
pressure
pressure vessel
process
produced
products
pyrolysis
pyrolysis chamber
pyrolyzer
reactions
region
released
residence
residence time
steam
sufficient
sufficient residence
temperature
temperature gas
time
vessel
1600
air
allow
ash
bed
bed coal
carbon
carbon monoxide
chamber
coal
coal gas
coal gasification
coal pyrolysis
combination
combining
combustible
combustible gas
combustion
components
degree
directly
dispersed
disposed
exiting
fixed
fixed bed
flow
form
form carbon
gas
gas coal
gas produced
gasification
gasification involves
gravity
heating
introduced
involves
involves combining
materials
monoxide
oxidant
pressure
pressure vessel
process
produced
products
pyrolysis
pyrolysis chamber
pyrolyzer
reactions
region
released
residence
residence time
steam
sufficient
sufficient residence
temperature
temperature gas
time
vessel