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Home Service FAQs FAQ of coal-fired boilers What kind of coal is good for chain boiler?

What kind of coal is good for chain boiler?

27 Aug 2021

Chain grate has certain selectivity for coal types, and soft coal with volatile content above 15%, ash melting point above 1250℃, moderate particle size and calorific value above 18800~21000kJ/kg is more suitable.

 

The ash content in coal should be controlled at 10%~30%. The pulverized coal (0~6mm) should not exceed 50%~55%, the pulverized coal of 0~3mm should not exceed 30%, and the lump coal size should not exceed 40mm.

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