Method for oxidizing pulverous fuel with two gases having differ

Details Method for oxidizing pulverous fuel with two gases having differ Method for oxidizing pulverous fuel with two gases having differ

1994-09-22

1995-08-22

Andrews, Melvyn

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75707, C22B 512, C22B 2300

Patent

active

054436206

ABSTRACT:
A method for oxidizing the pulverous fuel of a furnace, advantageously a flash smelting furnace, by means of a burner, so that the oxidation takes place mainly owing to an effective mixing of two different combustion gases, pulverous fuel and possibly an extra fuel, in the furnace space. The combustion gases are conducted into the furnace space in separate jet flows, so that oxygen is fed in through the center in an at least partly turbulent flow, and the air is fed around it in several separate flows. A burner for mixing pulverous fuel and combustion gas and for burning them in the furnace space is described.

REFERENCES:
patent: 5133801 (1992-07-01), Saarinen

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