The flameless burner for heating SiC and steel crucibles allows uniform heating with no hotspots, and this makes a significant contribution to extending the service life of the crucibles. The premixing of gas and air and the resulting near-stoichiometric combustion allow the burner to realize energy savings of up to 20 % in comparison with standard crucible furnaces. The increased flow speed prevents erosion and allows insulations of lower density to be used. The burner is continuously adjustable at constant emission values. The exhaust gas outlet is located at the bottom of the furnace. This leaves space for a continuous working platform which simplifies access for loading and cleaning purposes.
The new porous burner technology for the gas heating of our crucible furnaces can be used for magnesium and aluminium.