Heat exchange pipe with extruded fins
AssigneeAmerifab, Inc.
InventorsRichard J. Manasek, David P. Kincheloe
Life of this patent
Estimating the term…
Abstract
An apparatus and method for cooling the interior wall of an electric arc furnace. The device is an extruded heavy-walled pipe having a base and a fin or plurality of fins. Such pipes are attached to a plate in serpentine fashion and hung on the inside wall of the electric arc furnace above the hearth, thereby forming a cooling surface between the interior and the furnace wall. The fins are sized and arranged to retain splattered slag. The slags solidifies on the pipes, forming an insulation barrier between the molten iron material and the cooling pipes and, consequently, the wall of the furnace.
Claims19
A heavy-walled steel, iron, cast alloy, or ferrous alloy pipe for use in a cooling panel in an electric-arc metallurgical furnace, comprising:
- a unitary pipe, including:
- a tubular section;
- an elongate ridge extending outwardly from the exterior surface of said tubular section, said ridge extending along the length of the tubular section;
- and
- a base section on the exterior surface said tubular section, said base section opposed to said elongate ridge.
A heavy-walled steel, iron, cast alloy, or ferrous alloy pipe for use in a cooling panel in an electric-arc metallurgical furnace, comprising:
- a unitary pipe, including:
- a tubular section having a first portion and a second portion;
- means, outwardly extending from the exterior surface of said first portion of said tubular section, for retaining transient matter, said means forming an elongate ridge;
- and
- a base section on the exterior surface of said second portion of said main section, said base section opposed to said elongate ridge.
A method of cooling the interior wall of an electric-arc furnace, comprising the steps of:
- providing a panel, said panel including a plurality of unitary pipes, each of said pipes having a tubular section, an elongate ridge and a base section, each of said pipes being formed by extrusion;
- attaching said panel to the interior of the electric-arc furnace;
- and
- retaining transient matter from the electric-arc furnace on said elongate ridge.
Dependencies are inferred from the claim text.