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Title: Slurry burner for mixture of carbonaceous material and water

Abstract

A burner is described for atomizing and directing a carbonaceous material-water slurry into a combustion chamber comprising: a fuel delivery tube into which the carbonaceous material-water slurry is introduced and displaced therealong toward a first end thereof; an atomizing air tube coaxially positioned about the fuel delivery tube, the atomizing air tube coupled to an atomizing air source wherein the atomizing air source directs atomizing air under pressure into the atomizing air tube toward a first end thereof; a fixed generally cylindrical nozzle mounted to the combustion chamber and coupled to the respective first ends of the fuel delivery tube and the atomizing air tube. The nozzle has outer channels continuous with the atomizing air tube at the first end thereof through which the atomizing air is directed and an inner, aft center fuel channel is coupled to and continuous with the fuel delivery tube at the first end thereof. The nozzle further includes forward inner diverging fuel channels coupled to and continuous with the aft center fuel channel and forming relatively small acute angles therewith and through which the carbonaceous material-water slurry is directed toward the outer periphery of a forward end portion of the nozzle and exits therefrom.

Inventors:
;
Publication Date:
OSTI Identifier:
6694397
Patent Number(s):
US 4644878
Assignee:
Dept. of Energy, Washington, DC
Resource Type:
Patent
Resource Relation:
Patent File Date: Filed date 5 Nov 1985
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 42 ENGINEERING; BURNERS; DESIGN; OPERATION; COAL; COMBUSTION; FUEL SLURRIES; AIR FLOW; ATOMIZATION; COMBUSTION CHAMBERS; FUEL FEEDING SYSTEMS; POSITIONING; PRESSURIZING; WATER; CARBONACEOUS MATERIALS; CHEMICAL REACTIONS; DISPERSIONS; ENERGY SOURCES; FLUID FLOW; FOSSIL FUELS; FUEL SYSTEMS; FUELS; GAS FLOW; HYDROGEN COMPOUNDS; MATERIALS; MIXTURES; OXIDATION; OXYGEN COMPOUNDS; SLURRIES; SUSPENSIONS; THERMOCHEMICAL PROCESSES; 014000* - Coal, Lignite, & Peat- Combustion; 421000 - Engineering- Combustion Systems

Citation Formats

Nodd, D G, and Walker, R J. Slurry burner for mixture of carbonaceous material and water. United States: N. p., 1987. Web.
Nodd, D G, & Walker, R J. Slurry burner for mixture of carbonaceous material and water. United States.
Nodd, D G, and Walker, R J. Tue . "Slurry burner for mixture of carbonaceous material and water". United States.
@article{osti_6694397,
title = {Slurry burner for mixture of carbonaceous material and water},
author = {Nodd, D G and Walker, R J},
abstractNote = {A burner is described for atomizing and directing a carbonaceous material-water slurry into a combustion chamber comprising: a fuel delivery tube into which the carbonaceous material-water slurry is introduced and displaced therealong toward a first end thereof; an atomizing air tube coaxially positioned about the fuel delivery tube, the atomizing air tube coupled to an atomizing air source wherein the atomizing air source directs atomizing air under pressure into the atomizing air tube toward a first end thereof; a fixed generally cylindrical nozzle mounted to the combustion chamber and coupled to the respective first ends of the fuel delivery tube and the atomizing air tube. The nozzle has outer channels continuous with the atomizing air tube at the first end thereof through which the atomizing air is directed and an inner, aft center fuel channel is coupled to and continuous with the fuel delivery tube at the first end thereof. The nozzle further includes forward inner diverging fuel channels coupled to and continuous with the aft center fuel channel and forming relatively small acute angles therewith and through which the carbonaceous material-water slurry is directed toward the outer periphery of a forward end portion of the nozzle and exits therefrom.},
doi = {},
url = {https://www.osti.gov/biblio/6694397}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1987},
month = {2}
}