Induction Furance Ramming Mass

Induction furnaces are latest furnaces used for melting of the metals specially the Iron. There furnaces requires the ramming mass for insulation or lining between coil and melting metals. Induction furnace Ramming Mass is produced from the Silicon dioxide stone. It is made of SiO2 (Silicon dioxide). Silica Ramming Mass (SiO2) is acidic in nature. Induction furnace Ramming Mass is used in powder form for lining or ramming in induction furnace. Good quality quartzite stone is used to produce the Silica ramming mass. Very high purity quartzite stone is used to produce the Induction furnace Ramming Mass. 

 

Quartzite stone is broken crushed in machines, and then it is powdered. If there will be impurities in the mineral stone, then it may create problem in function of the induction furnace. Impurities in stone will produce more amount of the liquid at heavy temperature. It will be lower down the chemical and mechanical resistance property of the lining. High purity silica gives longer life to induction furnace. Material produces from high quality silica is uniform in quality and physical properties. 

 

Induction furnace Ramming Mass are compact in comparison to other linings. Compactness of the Induction furnace Ramming Mass depends on the proportion of the size of the granules in Induction furnace Ramming Mass powder. Proportion of the size of granules is known and granulometrics. Granulometric composition should be in such way that there should be minimum vacant or open space among the particles. 

 

An ideal granulometric composition of commercial acidic Induction furnace Ramming Mass is given below.

 

 

SIZE PERCENTAGE 

 

4mm to 1mm            33% 

 

1mm to 0.20mm       30% 

 

0.20mm to0.06mm   17% 

 

0.06mm & below     20%

 

Proportion of the finest material is very important, as it takes part in the sintering reaction in furnance. If the fine particles are more than recommended percentage then it may lead to adverse effect of on performance of ramming layer. 

 

 

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