The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2018
Filed:
Aug. 20, 2014
Outotec (Finland) Oy, Espoo, FI;
OUTOTEC (FINLAND) OY, Espoo, FI;
Abstract
Provided is an arrangement for cooling channels in an electrode column assembly of an electric arc furnace, wherein the lower part of the electrode column assembly is provided with a contact shoe ring formed of a plurality of contact shoe elements, a pressure ring formed of a plurality of pressure blocks, and a heat shield located above the pressure ring and formed of a plurality of heat shield segments. The contact shoe elements and/or the pressure blocks are provided with channels for a cooling liquid to flow therein. The channels made in the material of the contact shoe elements and/or the pressure blocks extend obliquely downwards from the upper ends of said contact shoe elements and/or the pressure blocks near to the lower ends of the same. At least two of said oblique channels join together at their lower ends to form a continuous channel.