Process for preparing blast furnace cokes

Details Process for preparing blast furnace cokes Process for preparing blast furnace cokes

1977-01-04

1978-07-11

Wolk, Morris O.

Distillation: processes, thermolytic

And shaping to desired form or configuration

Prior to charging to carbonizing zone

201 8, 201 21, 201 23, 201 24, 201 40, 201 41, C10B 4710, C10B 5308, C10B 5704

Patent

active

041000315

ABSTRACT:
A process for preparing blast furnace cokes which contain large amounts of low-grade coal which comprises the steps of adding a binder to a coal for making briquettes which comprises a substantially low-grade coal such as non- and/or poorly-coking coal; either alone or when blended in an amount of up to about 40% or more with a charging coal; mixing the binder and the coal briquetting the mixture in a roll press to form briquettes of two or more types; blending the resulting briquettes of different types with a charging coal in a total amount of about 35% or more of the briquettes based on the charging coal and, to prepare a blended charging coal; and carbonizing the blended charging coal in a coke oven.

REFERENCES:
patent: 3560346 (1971-02-01), Gunter
patent: 3692505 (1972-09-01), Reichl
patent: 3883399 (1975-05-01), Nire
patent: 3907648 (1975-09-01), Nire et al.

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