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Malwade, V. V.
- Development of a Marking Nut Desheller
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Authors
Affiliations
1 Department of Agricultural Engineering, Maharashtra Institute of Technology, Aurangabad (M.S.), IN
2 Department of Mechanical Engineering, Marathwada Institute of Technology, Aurangabad (M.S.), IN
1 Department of Agricultural Engineering, Maharashtra Institute of Technology, Aurangabad (M.S.), IN
2 Department of Mechanical Engineering, Marathwada Institute of Technology, Aurangabad (M.S.), IN
Source
International Journal of Agricultural Engineering, Vol 11, No 2 (2018), Pagination: 289-293Abstract
Marking nut or ‘Semecarpus anacardium L.’is a versatile tree found abundantly in humid regions of world. Its unique physical trait sets it apart from other agricultural produce; no nut has same shape and size there is a tremendous variation in length, width and thickness of nuts. Nut is a double walled shell and between the cellular space of double walls there is a presence of toxic resin called BSL (Bhilawan shell liquid). Present desheller is simple in its operation and is developed focusing its future potential. It comprises of a double acting pneumatic cylinder (32 bore), solenoid valve, a nut placing die, operative tool and air compressor. Nuts are placed in a specific flat position at centre of cylindrical die, this die is drilled in center so that the stroke passes completely through its centre and is positioned just below the stroke of pneumatic cylinder. A tapered tool screwed with cylinder stroke of 50mm and when stroke occurs its cuts through the nuts center and kernel separation is done. It provide 100 per cent protection from splashing of BSL and no human strength for deshelling. Trails were conducted at three different pressures to evaluate performance of machine at 4.8,6.2 and 7.8 kg/cm2 and 300 nuts at 2.38 per cent M.C. (dry basis) were cracked at each pressure. Highest efficiency was observed at 6.2 kg/cm2 and removal of whole kernel was also good. At 6.2 kg/cm2 pressure 86.20 per cent efficiency and 0.68kg/hr capacity were observed. Machine cost with optimum design is approx. 7500INR.Keywords
Marking Nut, Double Walled Shell, Toxic Resin, Pneumatic Cylinder.
References
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- Development of Pomegranate Arils Separator
Abstract Views :201 |
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Authors
Affiliations
1 Department of Agricultural Engineering, Maharashtra Institute of Technology, Aurangabad (M.S.), IN
1 Department of Agricultural Engineering, Maharashtra Institute of Technology, Aurangabad (M.S.), IN
Source
International Journal of Agricultural Engineering, Vol 11, No 2 (2018), Pagination: 300-304Abstract
Pomegranate is high demanding fruit due to its unique properties. It is an important fruit crop of arid and semiarid regions of the world and India is the leading producer of pomegranate in the world. As per the data available on national horticultural board the annual area and production of pomegranate fruit for Maharashtra state in year 2015-16 is 128.40 (‘000 Ha) and 1486.11 (‘000 MT), respectively. As pomegranate having leathery pericarp, it requires more time for manual separation approximately 8-10 minutes for one fruit. The various materials required for the development of pomegranate arils separator are cylinder, shaft, nylon rods, stationary rods, motor, sieve, cutting mechanism, speed regulator, cylinder supporting frame, arils collection tray, etc. The performance evaluation was carried out on the product basis. In these parameters like aril removal efficiency (%), aril unremoved (%), mechanical waste (%) and capacity (kg/hr) of machine were calculated. The results of aril removal efficiency (%), aril unremoved (%), mechanical waste (%) and feeding capacity (kg/hr) were 76.18, 23.80, 14.10 and 38.34 kg/hr capacity at 250 RPM. The results performance was checked by using four different RPM like 150, 200, 250 and 300. In this 250 RPM was selected because it is observed that, as speed of motor increased at certain level it produced better results like high aril removal efficiency, high capacity and low mechanical waste than lower speed.Keywords
Pomegranate, Arils, Pericarp, Sphericity, Probes, Compression, Texture Profile Analysis.References
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- Singh, D. and Sethi, V. (2007). Studies on separation techniques of pomegranate arils and their effect on quality of Anardana. J. Food Engg., 79 : 671–674.