The air supply should be controlled efficiently;
Flame contact with all the gases should be achieved;
The minimum combustion temperature of the primary chamber should not be less than 850°C;
The primary combustion chamber should be equipped with a means to provide supplemental liquid fuel supply.
The primary chamber should be cold face refractory lining, with a minimum thickness 100 mm.
The following conditions should be met in the secondary combustion chamber:
The air supply should be controlled efficiently;
Flame contact with all the gases should be achieved;
The size of the secondary chamber should be properly designed to ensure that the gas retention time should not be less than 2 seconds;
The secondary chamber should be cold face refractory lining, with a minimum thickness 100 mm;
The chamber should incorporate an integrated combustion burner air fans with automatically controlled distribution;
The gas temperature, as measured against the inside wall in the secondary chamber (not in the flame zone) should not be less than 1,100°C;
400x210x300cm( without chimney)
