... the lid, oven, hob, induction body, hydraulic system, blast furnace operation boxes, the main contactor, controller, capacitor frame, regulator, ... The double lid open. 2.4 Vertical structure of furnace shell rolled steel plates welded together, pool the insulation ... sets of piston cylinder, a hydraulic control box, hydraulic station is equipped with throttle, furnace tilting speed 1.2M / fair share ...