Design and development of hydraulic type charcoal briquettor
2015
Bisana, B.B. | Bondad, A.A.M. | Pulmano, D.B. | Lulo, C.T. | Cosico, L.A.
A hydraulic type briquetting machine was fabricated at the FPRDI's Bio-Energy and Equipment Development machine shop using mild steel plates, angle bars, flat bars, black iron (BI) pipes, galvanized iron (GI) sheets, directional valve, hydraulic cylinder, hydraulic pump, hydraulic oil, electric motor, pressure gauge, and other fittings. The machine is equipped with a hopper to feed the charcoal fines-binder mixture to the mold. It delivers 300 kg of briquettes per 8 hour of operation. Charcoal briquettes from coco shell charcoal fines were produced at two cassava starch binder levels (6% and 8%) using the hydraulic briquettor. The performance of the experimental briquettes was compared with the briquettes produced using the FPRDI improved manual briquettor. The crushing strength (CS) of the 6%-bound charcoal briquettes was statistically the same for manual and hydraulic briquettors. Meanwhile, the CS, density, and time to completely burn the 6%- and 8%-bound briquettes improved with the hydraulic type briquette having statistically superior qualities compared to the manual type. Production cost was USD 0.36/kg and USD 0.25/kg for manual and hydraulic briquettor, respectively. The manual type is more suited to end-users with limited resources while the hydraulic type is ideal for those with enough capital.
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