Comparison of Ceramic Alumina Silico Fiber Production Process
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Procedure
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Production Technics
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Process Principle
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Advantages
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Disadvantages
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Melting
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Electric Arc Furnace
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Melting raw material by hot heat produced by electric arc
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Heat concentration, less pollution on the electrode
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melt stream instability,
high shot content,
high enery consumption,
big noise
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Resistance furnace
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Electrode immersed in the melting furnace, raw material melted itself by the electric resistance
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Melt stream stability, lower shot content,
small noise, less dust of raw material
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Process into fibers
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Spray Technology
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Powered by compressed air or steam, disperse and stretch the melt stream into fibers
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Simple industrial equipment,
shorter fiber
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Lower production capacity, wide distribution of fiber diameter
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Spun Technology
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Disperse and stretch the melt stream into fibers by centrifugal force generated by high speed centrifugal roll
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High production capacity, lower shot content, longer fiber
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Complex equipment, difficult maintenance
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Ceramic Fiber Insulation