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Journal of Materials Science: Materials in Electronics
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Journal of Researches in Mechanics of Agricultural Machinery
Design, construction and evaluation of a washing machine with water circulation system for agricultural tuber products


 submission: 26/05/2018 | acception: - | publication: 15/11/2019

DOI 

Authors
nader sakenian dehkordi1*, amir abbasi chermhini2, shahin besharati3

1-Mechanics of biosystems engineering department, shahrekord university, shahrekord, Iran،sakenian@agr.sku.ac.ir

2-Mechanics of biosystems engineering department, shahrekord university, shahrekord, Iran،xecrex.90@gmail.com

3-Mechanics of biosystems engineering department, shahrekord university, shahrekord, Iran،shahin_besharati@yahoo.com



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Abstract

There is an especial importance in machines used for washing the agricultural tuber products. Optimized use of water, energy and attention to the economical aspects are important factors in design of these machines. Regarding these factors, a device was designed, constructued and tested. Experiments were carried out to measure and analyze the amount of impurities and wastes, and the percentage of damage based on a randomized complete block design with factorial experiment with two products, three levels of input weight; three levels of speed of conveyor belt each with four replications. The results showed that the weight of the input product and the speed of the conveyor belt had no significant effect on the amount of waste materials per kg of product, but had a significant effect on the percentage of damages. The damage for potato was significantly higher than carrot. The optimum speed of the conveyor belt was found at ۲.۴ m s-۱ for ۵ kg min-۱ feeding. The amount of water saved by the machine was one l min-۱. Based on the results, with use of a filter in water circulation system and recycling the water, water saving of ۵۰% was obtained.




Keywords

design and construction  agricultural products machine washing  tubers products  water saving 



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