Long copper and aluminum ingot hot shearing heating furnace

Abstract

The invention belongs to the technical field of non-ferrous metal extruding equipment, in particular to a blank long and round ingot fuel heating furnace used in copper and aluminum extruding industry. The blank long and round ingot fuel heating furnace comprises a furnace body which is the rack of the heating furnace, the rack is provided with a bar feeding device, a combustion device, a circulating device, a bar transfer device, a bar discharging device and a constant-length shearing mechanism, wherein the combustion device comprises a combustor, a combustion chamber, a mixer and a heating room, the circulating device comprises a draft fan, an air induction channel, a heating room, a hot air channel, a mixer and , a circulating air return channel, and the constant-length shearing mechanism comprises a shearing rack, a movable cutter base, a fixed cutter base and a shearing oil cylinder. Compared with the traditional technologies, the blank long and round ingot fuel heating furnace can directly heat long and round ingots which are not sheared and performs hot shearing by using a fly cutter of the shearing mechanism installed on the heating furnace after the long and round ingots are heated to heating reaches reach the standard so as to obtain required short ingots. The blank long and round ingot fuel heating furnace has the remarkable advantages of accurate length, fixed size adjustability, no saw dust, fast temperature rise, even temperature, high automation degree and the like and meets requirement on environmental protection.

Description

technical field [0001] The invention belongs to the technical field of non-ferrous metal extrusion equipment, in particular to a fuel-type heating furnace for billet oblong casting used in the copper and aluminum extrusion industry. Background technique [0002] Non-ferrous metals, especially copper and aluminum profiles, are produced and processed by extrusion. The blank before extrusion - the round ingot, needs to be heated. Heating the ingot can improve the plasticity of the metal and greatly reduce the extrusion force; the level and uniformity of the heating temperature also directly affect the internal and surface quality of the extruded product; at the same time, the cost of the heating process occupies a considerable part of the production cost. proportion. Foreign non-ferrous metal round ingot heating furnaces mostly use electric heating, while domestic heating fuels have experienced electricity, diesel and coal in just two decades. Greatly sacrificed part of the ...

AI Technical Summary

Problems solved by technology

At present, production enterprises in developed countries with foreign extrusion technology, such as Eagle Capital of the United States and Essen Company of Germany, have adopted the method of medium frequency heating and thermal shearing of long cast ingots; individual extrusion equipment manufacturers in coastal areas of my country are also developing The heating and hot shearing process and equipment of foreign enterprises, and a small number of intermediate frequency heating and hot shearing ingot heating furnaces are used in individual large-scale copper and aluminum profile enterprises, but it is difficult to popularize due to high heating costs and low production efficiency

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