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Borg Svemann,
Woodworker
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By 1350 blast furnaces had been invented, the earliest ones so far faound were in Lapphyttan, Sweden.
Coke is used chiefly to smelt iron ore and other bearing materials in blast furnaces, acting both as a source of heat and as a chemical reducing agent to produce pig iron or hot metal.
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Miles Rhodes,
Wine Taster
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It was foreseen that this connection would allow relatively cheap import of coke and consequent thereon a radical change in mineral processing on the field to blast furnaces or other superior technology.
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Richard Hosking,
Paranormal Investigator
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Many everyday gadgets emit these invisible wavelengths such as infrared with microwaves and blast furnaces and ultraviolet with welders and germicidal lamps.
These furnaces were called "cold" blast furnaces ,to indicate that while they used a bellows or similar device to provide a steady blast of air into the furnace nothing was done to preheat the air going into the furnace.
Blast forces, for example, can overturn gas stoves and furnaces or bring flammable objects into contact with them to cause fires, as often happens in earthquakes and similar events.
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Bori Gonbutoren,
Reindeer Herder
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Then extensive blast furnaces niust be erected for the conversion of the ore into pig metal, and a forge built for turning the pig metal into wrought iron by the processes of puddling * and rolling.
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Tony Howell,
Skateboarder
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Re-use in blast furnaces involves blowing granulatedplastic waste into the blast furnace in place of coke as a reducing agent toreduce ferric oxide to iron.
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Paddy McGuinness,
Newsagent
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A new partnership of Merry and Cunningham decided to build a set of blast furnaces which would use the local iron ore, the local splint coal and the plentiful supply of water in the loch.
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Dave Simons,
Internet Entrepeneur
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The highly productive blast furnaces along with LD Converters and down stream continuous casting facilities provide a distinct edge to Tata Steel and help it achieve its vision of becoming the world's lowest cost producer of steel.
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Jake Farley,
Truck Driver
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The pellets are cooled and screened for quality and then loaded onto trains and ore boats for shipment to National Steel's blast furnaces and steel mills in Michigan and Illinois.
There are twelve shafts for mining coal in active operation within a radius of two miles of the town, besides four blast furnaces and one rolling or steel and nail mill.
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