Analysis and Countermeasures for Coking Problem in One Thermal Storage Electrical Boiler

concerning with boiler coking phenomena after two boilers being put into operation,the analyses such as the equipment design,commission,the coal quality changes and the operation adjustment have been made.The measures have also been taken involving the modification of burner,the analysis of the coal quality into boiler and the management of the coal distribution,the thermal adjustment of the primary air tube of the mill and the operation adjustment.The result Proved that the boiler coking has been decreased and the safety,economic performance and stable operation of the two boiler are guaranteed.