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Title: Apparatus for solar coal gasification

Abstract

Apparatus for using focused solar radiation to gasify coal and other carbonaceous materials is described. Incident solar radiation is focused from an array of heliostats onto a tower-mounted secondary mirror which redirects the focused solar radiation down through a window onto the surface of a vertically-moving bed of coal, or a fluidized bed of coal, contained within a gasification reactor. The reactor is designed to minimize contact between the window and solids in the reactor. Steam introduced into the gasification reactor reacts with the heated coal to produce gas consisting mainly of carbon monoxide and hydrogen, commonly called synthesis gas, which can be converted to methane, methanol, gasoline, and other useful products. One of the novel features of the invention is the generation of process steam at the rear surface of the secondary mirror.

Inventors:
OSTI Identifier:
5359436
Assignee:
TIC; ERA-05-030063; EDB-80-087840
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 14 SOLAR ENERGY; COAL GASIFICATION; SOLAR PROCESS HEAT; COAL GASIFICATION PLANTS; DESIGN; BIOMASS; CARBON; CARBON MONOXIDE; CENTRAL RECEIVERS; FLUIDIZED-BED COMBUSTION; HELIOSTATS; SOLAR FURNACES; TOWER FOCUS COLLECTORS; CARBON COMPOUNDS; CARBON OXIDES; CHALCOGENIDES; CHEMICAL REACTIONS; COMBUSTION; CONCENTRATING COLLECTORS; ELEMENTS; ENERGY; ENERGY SOURCES; EQUIPMENT; FURNACES; GASIFICATION; HEAT; INDUSTRIAL PLANTS; NONMETALS; OXIDATION; OXIDES; OXYGEN COMPOUNDS; PROCESS HEAT; RENEWABLE ENERGY SOURCES; SOLAR COLLECTORS; SOLAR EQUIPMENT; SOLAR RECEIVERS; THERMOCHEMICAL PROCESSES; 010404* - Coal, Lignite, & Peat- Gasification; 140905

Citation Formats

Gregg, D.W. Apparatus for solar coal gasification. United States: N. p., Web.
Gregg, D.W. Apparatus for solar coal gasification. United States.
Gregg, D.W. . "Apparatus for solar coal gasification". United States.
@article{osti_5359436,
title = {Apparatus for solar coal gasification},
author = {Gregg, D.W.},
abstractNote = {Apparatus for using focused solar radiation to gasify coal and other carbonaceous materials is described. Incident solar radiation is focused from an array of heliostats onto a tower-mounted secondary mirror which redirects the focused solar radiation down through a window onto the surface of a vertically-moving bed of coal, or a fluidized bed of coal, contained within a gasification reactor. The reactor is designed to minimize contact between the window and solids in the reactor. Steam introduced into the gasification reactor reacts with the heated coal to produce gas consisting mainly of carbon monoxide and hydrogen, commonly called synthesis gas, which can be converted to methane, methanol, gasoline, and other useful products. One of the novel features of the invention is the generation of process steam at the rear surface of the secondary mirror.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {},
month = {}
}