FIELD: coking industry. SUBSTANCE: invention consists in that heating gas heated in heat exchanger 10 is directed into heating gas recycling circuit from heat exchanger 10 through semicoking drum 1. To cool heating gas, installation is provided with heat absorber 12. To control heat supply into semicoking drum 1, heating gas is directed at least partially and controllably through by-pass pipeline 11 comprising heat absorber 12 into heat exchanger 10 detouring drum 1. Heating gas may partially and controllably be transferred into semicoking drum 1 through heat absorber 12. Distribution of heating gas is provided with arrangement of pipelines and control means 15,16,18,19. EFFECT: improved heat condition of process. 9 cl, 1 dwg
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