Portable composite roaster

A portable composite roaster comprising:

• water tank space parts surrounded by water tank outer side plates, a water tank outer bottom plate water tank inner side plates and a water tank inner bottom plate for storing water therein;
• at least one cooling and evaporation space parts respectively opened in the upper sides and formed between the water tank outer side plates and the water tank inner side plates;
• an air inlet pipe formed in such a fashion as to pass through the water tank outer side plates and the water tank inner side plates for introducing air into the roaster from the outside;
• gas supply means mounted on one or both sides of the cooling and evaporation space parts for supplying fuel, such as gas, to the roaster;
• bottom gas combustion means mounted on the bottom of a combustion space part surrounded by the water tank space parts in order to burn gas supplied from the gas supply means;
• and
• side gas combustion means mounted or detachably mounted on the side of the combustion space part in order to burn gas introduced from the gas supply means to the side of the combustion space part.