The role of pelletizing ceramsite: it plays a decisive role that pelletizing ceramsite in the ceramic production, as the following:

1 Determining the pre-intensity, and impacting the late-strength, ceramsite has a certain pre-intensity after the granulation. If this intensity is good, damage rate will be low in the transport and conservation; on the contrary, the rate of damage will be high. Advanced granulation technology, and the rate of finished products is high.

In addition, the compactedness of pelletizing good ceramsite is high, and late-strength is often high. If pelletizing ceramsite is poor, the ceramsite is loose, which will affect the late-strength, so that the strength of finished ceramic products decreased, in a way, it is the basis for the development of late-strength ceramsite.

2 Deciding to appearance quality of ceramsite grain, smoothness. It is essential that the appearance of the product. Granulation process to make ceramic molding, and can make it with a rounded, smooth, beautiful external features. Granulation is good or bad, it determines the shape of its quality. A good granulation process, can make the ceramsite uniform size, smooth and beautiful. Poor granulation process, can make the appearance of coarse ceramsite, grain size uneven. Therefore, granulation determines its external quality.

3 Affecting the basic quality of ceramsite, in addition to several major quality of the appearance of quality, strength, water absorption, granulation also affect the other quality of ceramsite, such as ceramic softening coefficient, durability, frost resistance.

4 Impacting water absorption of ceramsite, and the main factors are the water absorption of raw materials, pore-forming agent properties, molding granulation quality. Among a lot of factors, it is undoubtedly the most important that the quality of molding granulation. High quality of granulation with good stomatal sealing, small and thin pores, so water absorption is lower.

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