FIELD: lines for chemical and heat treatment of elongated metallic products such as angles, tubes, channels and so on. SUBSTANCE: line includes product accumulator, furnace, converter, apparatus for charging and discharging products, device for loading and unloading alloying powder, accumulator for treated products. Novelty is drive rollers and through type furnace. Rollers are mounted before and behind furnace and they are inclined relative to motion axis in order to provide simultaneous reciprocation and rotation of converter inside furnace. Device for loading and unloading alloying powder is pneumatic one. EFFECT: simplified design of line, enhanced efficiency of operation, reduced labor consumption for loading and unloading alloying powder. 2 dwg
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