Apparatus for fuel gas production and combustion

An apparatus for fuel gas production and combustion comprising:

• a solid fuel feeding unit for receiving and feeding solid fuel;
• a gas producing unit connected to the solid fuel feeding unit for receiving solid fuel from the solid fuel feeding unit;
• an air feeding unit connected to the gas producing unit for feeding air to the gas producing unit to cause a gasification reaction;
• an ash trapping unit connected to the gas producing unit for separating fly ash and dust from a fuel gas;
• a burner unit connected to the ash trapping unit for combusting the fuel gas;
• and
• an ash discharging unit connected to the gas producing unit and the ash trapping unit, the ash discharging unit comprising a bottom ash discharging part and a fly ash discharging part),
• wherein the air feeding unit comprises a plurality of air feeding parts, wherein at least one of the air feeding parts being connected to the gas producing unit and at least another one of the air feeding parts being connected to the ash trapping unit, and wherein the ash trapping unit is configured to receive air from the air feeding unit.