A Study on Heat Utilization Efficiency of Fuel Briquettes from Burnt Sawdust
Keywords:
Fuel briquettes, Burnt sawdust, Heat utilization efficiency, Extrusion processAbstract
This study aims to the heat utilization efficiency of fuel briquettes from combustible sawdust using 3 types of binders: cassava starch, molasses, and gurjun oil. To determine the best ratio of the mixture between the binder and the burnt sawdust to the heat efficiency of the fuel briquettes from the burnt sawdust. The fuel extrusion process uses the cold-pressed screw compression technique with a 3 hp motor fuel briquette machine, extruded at a spiral speed of 270 rpm screw speed. The fuel briquettes’ density, compressive strength, and heating value.
The results of the experiment showed that density, compressive strength, heating value, and thermal efficiency obtained from the solid fuel rods made of burnt sawdust/gurjun oil mixture were the highest at the ratio of the binder's mass to the burnt sawdust of 0.5:7 giving the highest density, compressive strength, heating value, and heat utilization efficiency of 589.46 kg/m³, 226.69 MPa, 16.88 MJ/kg, and 20.25%, respectively.
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