Development of Batch Type Convection Dryer for Fish Cracker Manufacturing

Muhammad Naim, Leman and Shahrol, Mohamaddan and Ana Sakura, Zainal Abidin and Mohamad Syazwan Zafwan, Mohamad Suffian and Khairul Fikri, Tamrin and Rubiyah, Baini and Akihiko, Hanafusa (2021) Development of Batch Type Convection Dryer for Fish Cracker Manufacturing. In: The International Conference on Intelligent Manufacturing and Energy Sustainability (ICIMES-2021), June 18– 19, 2021, Hyderabad.

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Abstract

Manual production of fish cracker is inherenly inefficient with low productivity. Mechanisation and automation of the drying process which constitutes a major process would contribute to increase production. In this study, a batch type convection dryer for fish cracker with a capacity of 2 kg was developed. The prototype with a dimension of 89-cm length, 72-cm width and 60-cm height consists of a drying chamber, moving tray, transmission system, heating element and control system. A moving tray concept was applied for the machine design. The maximum temperature that can be reached in the chamber without load is 40.0 °C. Two different air velocities of 1.5 m/s and 2.0 m/s were applied in both simulation and experimental study. The higher air velocity was observed to shorten the time taken to heat the overall drying chamber. It was observed that the air velocity is higher when the tray rotates close to the fan inlet at the angle of 135°. The simulation results are consistent with the experiment in terms of temperature profile and air velocity. As a result, the dryer has successfully improved the drying hygiene and maintain the quality of fish cracker produced.

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