Method of manufacture of blast furnace cokes containing substant

Details Method of manufacture of blast furnace cokes containing substant Method of manufacture of blast furnace cokes containing substant

1980-05-12

1982-03-09

Garris, Bradley

Distillation: processes, thermolytic

And shaping to desired form or configuration

Prior to charging to carbonizing zone

201 8, 201 21, 201 23, 201 24, C10B 5300, C10B 5308, C10B 5502, C10B 5704

Patent

active

043187790

ABSTRACT:
Blast furnace coke containing low grade coal in a high blending ratio is manufactured by a method which comprises blending not less than 60% of a blended coal having an adjusted total moisture content of not more than 4% with not more than 40% of briquettes and carbonizing the resultant mixture.
The blended coal consists essentially of not less than 80% of coking coal and not more than 20% of low grade coal. When coking coal of a kind which has its coking property segregated according to its grain size distribution is pulverized and classified by sifting and the portion of fine particles is used as mixed with the coking coal, the blending ratio of the low grade coal in the blended coal can be increased to up to 35%. The briquettes consist essentially of not less than 10% of coking coal and not more than 90% of low grade coal.

REFERENCES:
patent: 2782147 (1957-02-01), Burstlein
patent: 3883399 (1975-05-01), Nire
patent: 4100031 (1978-07-01), Kiritani et al.

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