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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(10): 1984-1993
DOI: https://doi.org/10.20546/ijcmas.2018.710.229


Techno-Economics of Pyramid Shape Solar-Biomass Hybrid Drying of Nutmeg
D.R. Pavane1, Y.P. Khandetod2 and A.G. Mohod1
1Department of EOES, CAET, Dr. BSKKV, Dapoli. M.S., India
2CAET, Dr. BSKKV, Dapoli. M.S., India
*Corresponding author
Abstract:

Preservation of fruits, vegetables, and food are essential for keeping them for a long time without further deterioration in the quality of the product. Solar drying has been used since time immemorial to dry plants, seeds, fruits, meat, fish, wood, and other agricultural, forest products. The aim of the dryer is mainly for the welfare of the marginalized and poor farmers those who can’t afford hi-tech facilities and equipment’s to preserve their agricultural products. Conventionally, nutmeg (Myristica fragrans) is dried in the sun or in kitchen fire place utilizing the heat radiated from the stove drying requires more time and affected its quality. In order to maintain quality and to increase sufficient temperature in the drying chamber during rainy season and cloudy hours, a pyramid shape solar biomass dryer assisted with biomass combustor was designed. Power of the pyramid shape scientists experimented by making model pyramids and placing different types of food in them. The food stayed in good condition much longer than expected. 1959, engineer Karel Drbal did a similar experiment with blunt razor blades. It was found that the blades actually became sharp again when stored in pyramid. The pyramid may act as a resonant cavity that drives out water molecules from the steel edge by resonant action on water, thereby dehydrating the razor blade edge. Resonant effects on water that use microwave energy is a known form of electromagnetic dehydration. Thus, rapid dehydration of the blade may help restore sharpness to steel blades more quickly. A pyramid shape solar biomass dryer assisted with biomass combustor was designed and developed for drying of nutmeg in batch. A pyramid shape solar-biomass hybrid dryer was designed and fabricated in the Dr. BSKKV, Dapoli. With the objective to evaluate the pyramid shape solar -biomass hybrid dryer for nutmeg in rainy season in view to drying hours in a day and to compensate over the use of conventional energy sources for drying of agricultural produce. At no load test without biomass combustor the average temperature in the pyramid shape solar dryer was found to be 60.46 °C at corresponding ambient temperature of 33.23°C, solar radiation 570.65 W/m2, relative humidity 31.10 %, in the winter season of December 2017. The average temperature of pyramid shape solar dryer was found to be 64.32 °C at ambient temperature of 37.30 °C, relative humidity 30.45 %, solar radiation 650.45W/m2 during the month of March 2017. At no load test pyramid shape solar biomass hybrid dryer the average temperature in the solar biomass hybrid dryer was found to be 55.84 °C at corresponding ambient temperature of 27.16 °C, solar radiation 239.21 W/m2, relative humidity 87.58 %, in the winter season of December 2017. The average moisture content of nutmeg sample reduced from 613 to 7.8% (db) in 19 h. Average drying rate was found to be 0.2564 to 0.0005 gm/100gm bdm min, respectively. The maximum efficiency of biomass combustor and pyramid shape solar-biomass hybrid dryer was found to be 74.84 and 29.10 per cent.


Keywords: Pyramid shape solar dryer, solar biomass hybrid dryer, biomass combustor, drying efficiency, nutmeg, cost economic
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How to cite this article:

Pavane, D.R., Y.P. Khandetod and Mohod, A.G. 2018. Techno-Economics of Pyramid Shape Solar-Biomass Hybrid Drying of Nutmeg.Int.J.Curr.Microbiol.App.Sci. 7(10): 1984-1993. doi: https://doi.org/10.20546/ijcmas.2018.710.229