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Manufacturing of MgO-C brick raw material is the MgO content of sintered magnesia, 91% of the content of the MgO is electrically fused magnesite and fixed carbon content of 98% to 94 ~ 95%, ash content of natural flake graphite 5%. Binder for thermosetting phenolic resin and thermoplastic phenolic ... Read More
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1.The appearance and cleanliness inspection to be pouring equipment; 2 check the construction equipment in good condition, vibrating tools must have complete spare parts; 3 check the anchor type, size, layout and quality of welding, metal anchors must do expansion compensation processing; 4 check ... Read More
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The furnace is divided into fixed and tilting type two kinds, the general use of gas or oil as fuel. Aluminum smelting is usually fixed with reverberatory furnace. Reverberatory furnace non working layer refractory fiber felts and fireclay insulating brick masonry, the working layer of molten pool ... Read More
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Non working layer with fireclay insulating brick or bead brick rotary furnace, also available in bulk density of light weight castable refractory pouring 1.0g/cm3 or made of precast block masonry; working layer of dense clay bricks or Al2O3 content is more than 55% high alumina brick masonry. The ... Read More
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(1) Selection of refractory materials with high temperature resistance, corrosion resistance, heat shock resistance for lining. (2) The correct selection and collocation of refractory materials, to achieve a balanced lining. (3) The performance of refractory materials to understand the selected ... Read More
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1. The chemical effect 1) The composition of molten steel erosion of refractories. 2) Erosion of slag composition on refractories. 3) At high temperatures, the damage caused by refractory material itself produces reaction, generate new minerals produced by the phase change volume effect brought by ... Read More
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Alumina magnesia castable with high aluminium aggregate, high aluminum powder, magnesium powder as basic quality, with water glass as the novel castable. The bonding strength of water glass has good low temperature and high temperature, and it is also a kind of electrolyte containing Na+, glue ... Read More
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In order to make the materical of kiln liner function fully and ensure its turnaround, prolong service life, making following provisions for the masonry: 1、Sweep carefully the dust and crumbs on the inside wall of kiln shell. 2、Inside wall of kiln shell should be level up and no irregularity ... Read More
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Classification of refractory materials by chemical minerals (1) The siliceous refractory material (2) Magnesia refractories (3) Dolomite refractories (4) Carbon composite refractory (5) Containing zirconium refractory material (6) Special refractory material Read More
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A. Definition The traditional definition: Refractory degree not lower than 1580 degrees Celsius inorganic non-metallic materials; ISO definition: Refractory degree not lower than non metallic materials and products 1500 degrees Celsius.; B. Classification Common refractory: 1580 to 1770 DEG C ... Read More
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