Through the production practice, reasons to deflagration of the furnace hearth of the heating furnace were analyzed, and the different circumstances of the explosion to prevent the measures and methods were put forward.

The relationship of furnace hearth height to productivity is analyzed,and the the principle and calculating method for determining furnace hearth,are given.

On the basis of the result of that temperature is measured on three levels mesh belt type of far infrared dry stove during experimental production,This essay has preliminarily approached temperature distribution's condition in fumace hearth of far infrared heater and method of reducing temperature differential of the furnace heart

The optimization of permit condition for 1025 t/h boiler hearth firing;

Due to the large hearth of billet heating furnace, it is difficult to keep the temperature uniformity along the billet.

Based on the deformation of cell hearth and the damage of square steel and carbon block of cathodes, the relationship between lifetime of cells and the quality of cell hearth, cathode square steel and carbon block is discussed.

Applying 3D swing burner to reduce flue gas temperature difference of furnace outlets;

Reasons of abnormal pulsation of furnace pressure and its retrofit plan;

Application of thermoelectric generators in the furnace of power-plant boilers;

Adjustment to flue gas temperature deviation at the exit of boiler furnace;

By the use of SIMPLE algorithm a numerical simulation has been conducted of the three-dimensional isothermal flow field in a tangential-fired boiler furnace model.