FIELD: oil and gas industry.
SUBSTANCE: invention refers to central supply system for introduction of residual by-product to coke drum including inlet connection pipe attached to coke drum; and retractable injection nozzle located inside inlet connection pipe and containing inlet and outlet; at that, retractable injection nozzle is provided with possibility of sliding inside inlet connection pipe so that it can be retracted from inlet connection pipe to coke drum to introduce residual by-product to the above coke drum.
EFFECT: improvement of efficiency and uniform material distribution is provided.
4 cl, 5 dwg
