| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: procedure consists in heat treatment of scale accompanied with transition of oil into vapour phase and in removal of oil from zone of heat treatment. Heat treatment is performed by heating scale to temperature 180280C at its mixing and in conditioning at said temperature till contents of oil in scale reaches as high, as 1.5%. Also, oil is removed from the zone of heat treatment in form of its vapours. ^ EFFECT: simplification of procedure. ^ 2 cl, 3 ex |
