Fuel injection in blast furnaces

Details Fuel injection in blast furnaces Fuel injection in blast furnaces

1978-03-06

1980-02-12

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C22B 500

Patent

active

041882059

ABSTRACT:
This invention encompasses an improved process for injecting a homogenized water-hydrocarbon liquid fuel composition into blast furnace of the type wherein water and a liquid hydrocarbon fuel is homogenized and then atomized into a blast furnace under pressure to reduce coke consumption, the improvement which comprises introducing into the water-hydrocarbon liquid fuel composition usually prior to homogenization a metallic element in the form of a compound thereof, said metallic element being selected from the group consisting of magnesium, calcium, manganese, iron, cobalt, nickel, copper, zinc, aluminum, tin, lead, strontium, barium, zirconium, chromium, molybdenum, and tungsten in a quantity sufficient to provide 5-50 ppm as metal in the water-hydrocarbon liquid fuel composition whereby the efficiency of the blast furnace water-hydrocarbon liquid fuel injection is improved.
In addition, from 100-10,000 ppm of a water-in-oil emulsifying agent may be incorporated into the water-hydrocarbon liquid fuel composition.

REFERENCES:
patent: 2141848 (1938-12-01), Adams et al.

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