Factors affecting the plasticity of fire clay for up lead copper rod

Many factors affect the fire clay for up lead copper rod plasticity. One is generated in the clay mineral species, crystal morphology and crystallinity. Composed of highly ordered kaolinite kaolin, low plasticity; composed of low order degree of kaolinite kaolin on the contrary. In addition the clay particle size, cation exchange, can cation exchange type affects its plasticity.Fire clay  for up lead copper rod name,generation age, kaolinite order degree, particle size,plasticity index. In practice, the main methods to increase the plasticity of fire clay for up lead copper rod raw materials:
① The choice of fire clay materials, to remove non plastic impurities therein, such as quartz sand;
② The choice of fine grinding, increase the degree of dispersion;
③ Add appropriate amount of plastic binder, such as pulp waste liquid, dextrin;
④ The fire clay vacuum extrusion processing;
⑤ Prolong the time of the trapped fire clay material.
The combination of raw materials refers to clay materials and plastic raw material combination, the formation of plastic mud pie and has a dry strength ability.The combination of clay usually can form plastic mud pie when added to standard quartz sand (particles composed of 0.25 ~ 0.15mm accounted for 70%, 0.15 ~ 0.09mm 30%) and the number of flexural strength after drying to reflect.Generally, the plasticity of clay, the combining ability is strong (there are exceptions, such as the Nanning ball clay is very pure and fine grain, good plasticity. But because of the surface energy of adsorbed water, drying dehydration shrinkage, producing multiple fractures resulting in the drying intensity difference. The plasticity index is 36 ~ 47, while the flexural strength is only 0.48mpa.

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.
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