open-hearth melting furnace

  • 1open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls. [1885 90] * * * or Siemens Martin process Steelmaking… …

    Universalium

  • 2Open hearth furnace — Engineering portal …

    Wikipedia

  • 3open hearth — noun 1. : the shallow hearth of a reverberatory melting furnace heated by hot gases above it 2. : an open hearth furnace …

    Useful english dictionary

  • 4Hearth — (h[aum]rth), n. [OE. harthe, herth, herthe, AS. heor[eth]; akin to D. haard, heerd, Sw. h[ a]rd, G. herd; cf. Goth. ha[ u]ri a coal, Icel. hyrr embers, and L. cremare to burn.] 1. The pavement or floor of brick, stone, or metal in a chimney, on… …

    The Collaborative International Dictionary of English

  • 5Hearth ends — Hearth Hearth (h[aum]rth), n. [OE. harthe, herth, herthe, AS. heor[eth]; akin to D. haard, heerd, Sw. h[ a]rd, G. herd; cf. Goth. ha[ u]ri a coal, Icel. hyrr embers, and L. cremare to burn.] 1. The pavement or floor of brick, stone, or metal in a …

    The Collaborative International Dictionary of English

  • 6Hearth money — Hearth Hearth (h[aum]rth), n. [OE. harthe, herth, herthe, AS. heor[eth]; akin to D. haard, heerd, Sw. h[ a]rd, G. herd; cf. Goth. ha[ u]ri a coal, Icel. hyrr embers, and L. cremare to burn.] 1. The pavement or floor of brick, stone, or metal in a …

    The Collaborative International Dictionary of English

  • 7Hearth penny — Hearth Hearth (h[aum]rth), n. [OE. harthe, herth, herthe, AS. heor[eth]; akin to D. haard, heerd, Sw. h[ a]rd, G. herd; cf. Goth. ha[ u]ri a coal, Icel. hyrr embers, and L. cremare to burn.] 1. The pavement or floor of brick, stone, or metal in a …

    The Collaborative International Dictionary of English

  • 8reverberatory furnace — Furnace used for smelting, refining, or melting in which the fuel is not in direct contact with the contents but heats it by a flame blown over it from another chamber. Such furnaces are used in copper, tin, and nickel production, in the… …

    Universalium

  • 9Electric arc furnace — An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc. Arc furnaces range in size from small units of approximately one ton capacity (used in foundries for producing cast iron products) up to about 400 …

    Wikipedia

  • 10Cornwall Iron Furnace — U.S. National Register of Historic Places U.S. National Historic Landmark …

    Wikipedia