... machine, but also instruct your worker the key technique of how to operate the whole equipment. Most important of all, our engineer ... Dust removal system(draft fan, high pressure water nozzle,chimney) 7 Black slag system(Built-in spiral plate, auto-slagging system ... will be discharged automatically. Light ,pure oil gas will flow to the condenser. Condensation systemCooling pipesA large amount of oil gas ...