Equipment Features Natural gas (NG) or LPG is chosen as the fuel. The heating speed can be adjusted within a wide range. Fully combusted, energy-saving and environment-friendly. Suitable for molten aluminum ladles of different heights. Equipped with a conventional high-speed gas burner and a self-preheating burner. Gas and combustion air pressure detection, abnormal ignition alarm. Heating temperature and time are controllable. Long open flame ignition function. Flame detection function.