The foundation of refractory concrete in copper smelting

An overview of incompletely refractory concrete:
By ramming (manual or mechanical) method of construction, and hardened in the heating effect is higher than normal temperature under the unshaped refractory concrete. By refractory aggregate, with certain gradation of powder, binder, additive water or other liquid after mixing.Smelting ramming mass: high alumina, clay, magnesite, dolomite, and zirconium carbide carbon.The use of function material of smelting  ramming mass: good chemical stability, erosion resistance, abrasion resistance, spalling resistance, thermal shock resistance, are widely used in metallurgy, building materials, nonferrous metal smelting, chemical industry, machinery and other manufacturing industries. The use of high temperature in the casting process of the thermal insulation refractory concrete.In injection molding, assembling in molded block head insulation board or install insulation overall cap mouth, prolong the coagulation time of molded block head of molten steel, molten copper molded block feeding to reduce the volume of the riser head effectively, thereby reducing the cutting head rate, improve the rate of the ingot blank. In the mouth and take reasonable design with effective insulation conditions, but also can improve the quality of molten copper block in a certain extent.Insulation board is also widely used as tundish working lining, its superior insulation performance, can reduce the tapping temperature; cold tundish, from baking, energy saving; automatic cleaning and replacement of shedding in the tundish working lining can improve the strength and work environment.The ingredients and production ingredients are usually made of refractory insulating board, fiber and binder plus a small amount of powder additives. The refractory is a kind of high refractoriness, fine-grained, refractory and molten steel with no reaction, such as quartz sand and silicon magnesium such as magnesium sand etc.;Fiber can be divided into inorganic (mineral wool fiber, alumina fiber etc.) and organic fibers (such as paper fiber, plant fiber, chemical fiber, etc.); binder resin, sodium silicate (water glass), polyvinyl alcohol, powder adding heat of superfine powder according to the need can be selected or siliceous. Magnesia.The use of environmental conditions and according to a certain mixture according to the raw material, mixing water into mud, by the pump into the mold, made of a shape in the vacuum suction extrusion or vacuum suction filter under the condition of the product (plate or overall cap), after drying, the performance of the product is usually in refractoriness, density, flexural strength, porosity, permeability, shrinkage and moisture. Installation and insulation board effectiveness of die casting thermal insulation plate with a clamping method in the ingot head installation method, nail fixation method .Compared with the clay lining risk, use insulation board, can improve the rate of finished ingot is 5% ~ 10%, the economic benefit is considerable; its size is also affected by the high pouring riser, the molded block head surface insulation agent level and adiabatic plate thickness, several factors influencing the adiabatic riser geometry.

Taurus Refractory ramming mass Factory mainly engaged in professional manufacturer of development, production and sales of the refractory mixture such as melting copper, aluminum and zinc furnace lining. And supply castable refractory for copper smelting, ramming mass for molten copper,fire clay,refractory mortar, refractory cement ,refractory mixture, refractory concrete and silica sand for copper smelting.
Website: http://www.jnrefractory.com  
Contact: Mr. Niu
Tel: +86-371-64372566
Fax: +86-371-64372588
Mobile Phone: +86-15137151612
Email: info@jnrefractory.com
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