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The characteristic of refractory clay brick

Source: | Author:ChangXing Refractory | Published time: 1668 days ago | 926 Views | Share:

In Clay brick, clay (such as shale, coal gangue powder) as the main raw material, after the sludge processing, molding, drying and roasting.

Ordinary brick size is 240 mm * 115 mm * 53 mm, according to the compressive strength (Newton per square millimeter, N/was) the size of the divided into MU30, MU25, MU20, level-mu15, MU10, MU7.5 six strength grade.

China clay brick of Al2O3 content in more than 40% more commonly, Fe2O3 content is less than 2.0 ~ 2.5%. Ingredients in the clinker is 65 ~ 85%, combined with clay for 35 ~ 15%.To combine pieces of clay and fine grinding of clinker grinding, again with the clinker particles mixture material dry clay and high pressure molding, firing under about 1400 ℃, with good performance. Refractory clay bricks under high temperature in weak acid, alkaline slag erosion resistance is a bit poor, but enhanced with Al2O3 content increase. Thermal stability of the silica brick, magnesia brick (see magnesia brick), etc.

Quality qualification of the blast furnace clay brick after drying treatment of vacuum impregnation phosphate, secondary low temperature firing phosphate impregnated products, used in lining of blast furnace body lining.