Pulverized fuel delivery system for a blast furnace

Details Pulverized fuel delivery system for a blast furnace Pulverized fuel delivery system for a blast furnace

1982-08-16

1984-05-01

Scherbel, David A.

Dispensing

Processes of dispensing

75 42, B67B 700

Patent

active

RE0315729

ABSTRACT:
A pulverized fuel delivery system for a blast furnace in which pulverized coal is delivered in dense phase fluidized form into the blast furnace from gas pressurized tanks that are placed in communication, one at a time, in cyclical sequence with a penumatic transport means. The tank gas pressure is regulated in accordance with the blast furnace wind rate to control the weight flow rate of pulverized coal into the furnace and the transport gas flow rate is regulated in accordance with the fuel weight flow rate to maintain a prescribed transport gas flow rate per pound of coal delivered to the furnace.

REFERENCES:
patent: 2477804 (1949-08-01), Huber
patent: 3167421 (1965-01-01), Pfeiffer et al.
patent: 3230016 (1966-01-01), Gilbert et al.
patent: 3252618 (1966-05-01), Anderson et al.
patent: 3347418 (1967-10-01), Fefferman
patent: 3599832 (1971-08-01), Smith
patent: 3795418 (1974-03-01), Barenyi
patent: 3840260 (1974-10-01), Wacker et al.
patent: 3847428 (1974-11-01), Uebelstadt
patent: 4061386 (1977-12-01), Chupick
"Coal Injection into No. 5 Blast Furnace at Stanton and Stavely Ltd.". Journal of Iron and Steel Institute, vol. 201; Aug. 1963; Summers et al.
"Engineering and Design Considerations of Coal Injection", AIME Procedings of the 23rd Conference, vol. 23, 1964: Summers.

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