Copper furnace for continuously casting copper-aluminium composite material

Abstract

The invention provides a copper furnace for continuously casting a copper-aluminium composite material. The copper furnace comprises a melting furnace hearth, an insulating furnace hearth and a furnace shell, wherein the furnace shell is internally provided with an asbestos board, an insulating brick, a refractory brick and a casting material in sequence; the lower sides of the melting furnace hearth and the insulating furnace hearth are respectively provided with a temperature measuring port; each temperature measuring port is internally provided with a thermocouple sheathed with a metal ceramic tube; the lower parts of the melting furnace hearth and the insulating furnace hearth are provided with eccentric melting channels with unequal sections; the cross section of the melting furnace hearth is elliptical, and the elliptical eccentricity is 0.7-0.8; the widths b of the two sections of the eccentric melting channels are from 1.45a to 1.7a; the refractory casting material is filled at the periphery of each temperature measuring port; and the outer diameter of the metal ceramic tube is 14-16mm, and the distance from the front end of the metal ceramic tube to the inner walls of the melting furnace hearth and the insulating furnace hearth is 290-320mm. The copper furnace adopts an elliptical structure, has no dead corner, is good in insulating effect, can effectively prevent slagging, is beneficial to removing slag and can achieve uniform temperature; and the side-surface temperature measuring structure avoids direct contact with the upper liquid level of copper water, and avoids a copper furnace opening so as to prevent damage.

Description

technical field [0001] The invention belongs to the technical field of copper-clad aluminum casting, and in particular relates to a copper furnace for continuous casting of copper-aluminum composite materials. Background technique [0002] In the field of copper-clad aluminum casting technology, the commonly used copper furnace includes a melting furnace and a holding furnace. The first layer is an asbestos board insulation layer, and the middle is tamped with refractory materials. The shape of the furnace is generally square. tube. The heat preservation effect of the copper furnace with this structure is average, the heat transfer speed of the lining to the outside is fast, the power consumption of the copper furnace is increased, the surface temperature of the furnace shell is abnormally high, and the square furnace design makes it easy to appear heating dead corners in the copper furnace. The temperature of the molten copper is low, the temperature of the molten copper...

AI Technical Summary

Problems solved by technology

[0003] The invention provides a copper furnace for continuous casting of copper-aluminum composite materials, which solves the disadvantages of poor thermal insulation effect, inaccurate temperature measurement and uneven copper liquid temperature in the background technology.

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