Cooling element and method for manufacturing cooling elements
AssigneeOutokumpa Oyj
InventorVeikki Polvi
Life of this patent
Estimating the term…
Abstract
A cooling element designed particularly for furnaces, said element comprising a housing (1) mainly made of copper, and a channel system (6) provided in the housing for cooling medium circulation. At least on a part of the surface of the element housing (1), there is arranged, by means of a diffusion joint, a corrosion-resistant surface layer (2). The invention also relates to a method for arranging said surface layer in the cooling element.
Claims13
A cooling element designed particularly for furnaces, said element comprising a housing mainly made of copper, and a channel system provided in the housing for cooling medium circulation, wherein at least in part of the surface of the element housing, there is arranged, by means of a diffusion joint, a corrosion-resistant surface layer, made of steel.
A method for arranging a corrosion-resistant surface layer in a cooling element consisting mainly of copper, wherein the surface layer, made of steel, is attached to the element housing by means of a diffusion joint and that in between the surface layer and the junction surfaces of the housing, there is arranged at least one intermediate layer consisting mainly of nickel (Ni) or chromium (Cr) or of an alloy or mixture thereof prior to creating the joint.
Dependencies are inferred from the claim text.