A method for constructing an aluminum alloy melting furnace with a high-nitrogen composite ceramic inner lining

Abstract

The invention provides a construction method for an aluminum alloy smelting furnace with a high-nitrogen composite ceramic lining layer. The method comprises the steps of arrangement of an aluminum silicate wool felt layer, a light silicon-calcium insulation board layer, an aluminum silicate insulating brick masonry layer, an oxide cement gum impervious layer and a high-nitrogen composite ceramic tile masonry layer on the outer portion of a furnace body with a furnace chamber respectively, arrangement of the furnace chamber, pouring of a furnace top high-aluminum castable insulating layer, arrangement of a stainless steel grid framework, arrangement of anchoring parts, arrangement of an I-steel beam and laying of a furnace top aluminum silicate insulating layer; in this way, the smelting furnace is constructed. The smelting furnace is provided with the high-nitrogen composite ceramic tile lining layer, thereby having the advantages of heat preservation, a good energy-saving effect, metal corrosion resistance, good molten aluminum quality, easy furnace cleaning, long service life and a short manufacturing period; he construction method is suitable for construction of an aluminum ingot smelting furnace.

Description

technical field [0001] The invention relates to a facility for metal smelting, in particular to a construction method for an aluminum alloy smelting furnace with a high-nitrogen composite ceramic inner lining. Background technique [0002] The melting furnace for melting aluminum ingots is metallurgical equipment in the metal smelting industry. Melting aluminum ingots in a high-temperature production environment is a complex physical and chemical change process. Impact, the working conditions are very harsh. The smelting furnace with ordinary refractory bricks and castables as insulation lining has problems of easy leakage, metal corrosion, serious lining wear, poor thermal insulation performance, high energy consumption, more slag accumulation, smaller volume, and maintenance Weaknesses such as high cost and short service life. Contents of the invention [0003] In order to overcome the shortcomings of existing melting furnaces with refractory bricks and castables as in...

AI Technical Summary

Problems solved by technology

The method includes laying of aluminum silicate cotton felt layer, laying of calcium silicate light insulation board layer, laying of aluminum silicate insulation brick masonry layer, laying of oxide ceramic mastic anti-seepage layer, laying of high nitrogen composite ceramic brick masonry layer, furnace Cavity setting, pouring of high-alumina castable insulation layer on the furnace top, stainless steel grid skeleton setting, anchor piece setting, I-beam setting, furnace top aluminum silicate insulation layer laying steps, to solve the technical problems of melting furnace body construction

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