Multi agri-waste cookstove
2000
Velasco, R.D. | Domingo, A.R. | Balderama, O.F. | Ramos, I.E. (Isabela State Univ., Echague, Isabela (Philippines). Affiliated Non-conventional Energy Center)
A multi-agri-waste cookstove, which makes use of rice hull, corn cobs, and other agricultural waste materials as fuel was developed. Performance of the cooking equipment was evaluated based on the different kinds of fuel used and the different sizes of holes at center frustum. Findings revealed that crushed corn cobs took the highest kindling rate (the time it takes to start the fuel) with an average of 1.12 min followed by ricehull with a mean of 0.30 min. The 2.0 cm size of hole at the center frustum took the longest kindling time with an average of 0.85 min., followed by 0.5 cm-hole, 1.0 cm-hole, and 1.5 cm-hole, with an average of 0.76, 0.62 and 0.61 min., respectively. Rice hull fuel took the highest boiling time with a mean of 9.11 min. compared with crushed corn cobs, with 6.89 min. Size of holes and kinds of fuel had no significant influence on boiling time. Crushed corn cobs took the highest fuel consumption rate, with an average of 0.115 kg/min. Ricehull had 0.039 kg/min. The cookstove was more convenient to use because aside from its bigger fuel-carrying capacity, it was also equipped with a canal under the pot support that prevented water from dropping into the hopper and wetting the fuel. It had an ash pan that contained burned ash
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