APPARATUS FOR BLOWING PULVERIZED COAL INTO METAL RECEIVER OF BLAST FURNACE Russian patent published in 1998 - IPC

Abstract RU 2103375 C1

FIELD: apparatuses for simultaneously blowing pulverized coal and gaseous oxidizer into blast furnace shaft. SUBSTANCE: in zone of end of tuyere nozzle pulverized coal is introduced to hot air blast in the form of hollow ring-like stream. Gaseous oxidizer is introduced inside said hollow ring-like stream. Lance includes two coaxial pipes and distributing apparatus provided with central opening for pulverized coal. EFFECT: improved design. 16 cl, 8 dwg

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Authors

Leon Ulveling[Lu]

Ivon Kremmer[Be]

Charl'Z Shmidt[Lu]

Dates

1998-01-27Published

1993-06-29Filed