Performance Evaluation and Modification of an Existing Rice Destoner

Year 2017, Volume: 3 Issue: 3, 169 - 175, 26.09.2017

Mohammed Gana Yisa Adeshina Fadeyibi Kamil Kayode Katibi O. C. Ucheoma

https://doi.org/10.19072/ijet.329078

Abstract

Destoning
is a processing technique for removing stones and broken grains from a batch of
milled rice. This research was carried out to modify an existing rice destoner
for the purpose of increasing its capacity and efficiency. The modification
introduced addressed challenges associated with the existing machine, such as
lower stone removal efficiency and lower air flow channel, which affects the
aerodynamic lifting of the rice grains. The
performance was evaluated for 3 kg of locally milled rice samples based on the design
capacity of the machine, cleaning efficiency and degree of grain flow. The result showed that the design capacity (1800 kg/h) of the
modified destoner was higher than that of the existing (864 kg/h). Also, the
machine has 40.8% destoning efficiency which is relatively higher than the
existing machine.

Keywords

Cleaning efficiency, Design, Material flow efficiency, Rice destoner, Rice

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