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  2. Blast furnace - Wikipedia

    en.wikipedia.org/wiki/Blast_furnace

    Blast furnaces used in the ISP have a more intense operation than standard lead blast furnaces, with higher air blast rates per m 2 of hearth area and a higher coke consumption. [ 79 ] Zinc production with the ISP is more expensive than with electrolytic zinc plants, so several smelters operating this technology have closed in recent years. [ 80 ]

  3. Blast furnace gas - Wikipedia

    en.wikipedia.org/wiki/Blast_furnace_gas

    Blast furnace gas (BFG) [1] is a by-product of blast furnaces that is generated when the iron ore is reduced with coke to metallic iron. It has a very low heating value , about 3.5 MJ/m 3 (93 BTU /cu.ft), [ 2 ] because it consists of about 51 vol% nitrogen and 22 vol% carbon dioxide , which are not flammable.

  4. Agglomerate (steel industry) - Wikipedia

    en.wikipedia.org/wiki/Agglomerate_(Steel_industry)

    the production of ferromanganese in the blast furnace requires a high manganese yield and therefore high basicities, up to i = 1.7 or 1.8 (bearing in mind that in this particular case, the index corresponds to = [] + [] + [] []!). Meltability is a secondary consideration in this case, as slag temperatures can reach 1,650°C (instead of 1,450°C ...

  5. Industrial furnace - Wikipedia

    en.wikipedia.org/wiki/Industrial_furnace

    An industrial furnace, also known as a direct heater or a direct fired heater, is a device used to provide heat for an industrial process, typically higher than 400 degrees Celsius. [1] They are used to provide heat for a process or can serve as reactor which provides heats of reaction.

  6. Gary Works - Wikipedia

    en.wikipedia.org/wiki/Gary_Works

    For many years, the Gary Works was the world's largest steel mill, and it remains the largest integrated mill in North America. [1] It is operated by U.S. Steel. The Gary Works includes both steelmaking and finishing facilities as an integrated mill, and has an annual capacity of 8.2 million tons. [2] It contains: [3] Four blast furnaces

  7. What is SunCoke Energy and why does it want to buy ... - AOL

    www.aol.com/news/suncoke-energy-why-does-want...

    June 29, 2022 at 1:07 PM Derik Holtmann/dholtmann@bnd.com News broke Wednesday that United States Steel plans to sell its two blast furnaces at Granite City Works to SunCoke Energy, Inc .