Method of treating sponge iron

Details Method of treating sponge iron Method of treating sponge iron

1977-10-25

1979-10-02

Hill, Ralph J.

Classifying, separating, and assorting solids

With heat treatment

209139R, 209466, 75 34, B07B 402

Patent

active

041695330

ABSTRACT:
A method of reducing the temperature of sponge iron to a safe level for storage and shipment including the steps of transferring freshly prepared sponge iron in particulate form to a separator vessel, such sponge iron being at dangerously high temperatures rendering it susceptible to oxidation; passing a cooling gas stream through the sponge iron in order to initially cool and fluidize the sponge iron and transfer smaller particles and fines away from the larger, more solid sponge iron particulate; conveying by vibration the remaining sponge iron towards a storage area and applying the cooling gas to the remaining sponge iron as it is conveyed towards storage in order to reduce the average temperature of the sponge iron to a safe level.

REFERENCES:
patent: 2557059 (1951-06-01), de Marchi
patent: 2847767 (1958-08-01), Carrier
patent: 2939411 (1960-06-01), Priestley
patent: 2963152 (1960-12-01), Leslie et al.
patent: 2983051 (1961-05-01), Zimmermann et al.
patent: 3089253 (1963-05-01), Evans
patent: 3131052 (1964-04-01), Peras
patent: 3929417 (1975-12-01), Rosa et al.

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