Air-fuel mixing device

Details Air-fuel mixing device Air-fuel mixing device

1979-04-26

1981-03-17

Ruehl, Charles A.

Furnaces

Fuel feeders

Blower

110347, F23K 302

Patent

active

042560446

ABSTRACT:
An air-fuel mixing device for mixing solid pulverized fuel with air in preselected ratios prior to combustion including an upstanding hollow tube forming an air-fuel mixing chamber, with a table disposed in the tube intermediate the top and bottom ends thereof whereby the table edges are spaced from the walls of the tube to provide an air passageway therebetween. A fuel feeder feeds pulverized fuel into the top of the tube thence onto the table and off the edges thereof in preselected amounts. A blower feeds pressurized air into the lower end of the tube and then upwardly past the table edges whereby such upwardly flowing air catches the pulverized fuel overflow from the table and mixes therewith to form an air-fuel mixture which is channeled from the tube to associated fuel burners.

REFERENCES:
patent: 3986271 (1976-10-01), Andrews
patent: 4092094 (1978-05-01), Lingl, Jr.
patent: 4131072 (1978-12-01), Lingl, Jr. et al.

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