Educational film showing the workings of a blast furnace.
British Instructional Films presentation.
Shot of the exterior of a blast furnace. Graphic illustration of Hot Blast Stoves, Exhaust Stack, Charging Gear and Blast Furnace. Coke Iron Ore and Limestone is put into the blast furnace. Hot air is pumped from the stoves into the blast furnace, gas is released. Animation of the processes. Slag and iron are produced. Shot of piles of limestone, iron ore and coke. Large containers of this raw material are transported to the furnace.
Graphic animation of raw material being poured into the furnace through gas tight "bell" valves. Bustle pipe and tuyers are labelled on the diagram. Animation of the smelting process. Slag and iron tap-holes are labelled on diagram. Men at work at the base of the furnace. We see hot slag pouring out of a tap-hole. Flames come off the hot substance. We see it pouring into a large vat. Men work close to the steam. The iron is tapped in the foundry. Rivers of hot liquid metal are seen. Many men work. Iron pours out of tunnels into large vats. Moving machinery. The vats are transported on wheels. The molten iron is cast into "pigs". The iron is poured into moulds. Inside the foundry, lots of steam. Pig iron in piles.
Produced with the Co-operation of the National Committee for Visual Aids in Education.