A Simple Device for Barnyard Seeds Purification to Use It As Feeder for Small Birds جهاز بسيط لتنقية حبوب الدنيبة لإستخدامها کغذاء للطيور الصغيرة
EL-Shabrawy, T., Al-Rajhi, M. (2020). A Simple Device for Barnyard Seeds Purification to Use It As Feeder for Small Birds جهاز بسيط لتنقية حبوب الدنيبة لإستخدامها کغذاء للطيور الصغيرة. EKB Journal Management System, 11(6), 157-161. doi: 10.21608/jssae.2020.111736
T. H. EL-Shabrawy; M. A. Al-Rajhi. "A Simple Device for Barnyard Seeds Purification to Use It As Feeder for Small Birds جهاز بسيط لتنقية حبوب الدنيبة لإستخدامها کغذاء للطيور الصغيرة". EKB Journal Management System, 11, 6, 2020, 157-161. doi: 10.21608/jssae.2020.111736
EL-Shabrawy, T., Al-Rajhi, M. (2020). 'A Simple Device for Barnyard Seeds Purification to Use It As Feeder for Small Birds جهاز بسيط لتنقية حبوب الدنيبة لإستخدامها کغذاء للطيور الصغيرة', EKB Journal Management System, 11(6), pp. 157-161. doi: 10.21608/jssae.2020.111736
EL-Shabrawy, T., Al-Rajhi, M. A Simple Device for Barnyard Seeds Purification to Use It As Feeder for Small Birds جهاز بسيط لتنقية حبوب الدنيبة لإستخدامها کغذاء للطيور الصغيرة. EKB Journal Management System, 2020; 11(6): 157-161. doi: 10.21608/jssae.2020.111736

A Simple Device for Barnyard Seeds Purification to Use It As Feeder for Small Birds جهاز بسيط لتنقية حبوب الدنيبة لإستخدامها کغذاء للطيور الصغيرة

Journal of Soil Sciences and Agricultural Engineering
Article 1, Volume 11, Issue 6, June 2020, Page 157-161  XML PDF (898.59 K)
Document Type: Original Article
DOI: 10.21608/jssae.2020.111736
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Authors
T. H. EL-Shabrawy email 1; M. A. Al-Rajhi2
1Agric. Eng. Dept., Agric. Fac. Mansoura Univ.
2Agric. Eng. Research institute, Agric. Research Center, Egypt
Abstract
A portable apparatus for separating the expended husks from bird seed mixtures after the bird has shelled the seeds and left the husks among the seeds has been designed. It includes a hopper, rectangular case divided in two parts (one for receiving seeds and other collecting un-seed materials) and air supply means. The air stream agitates the mixture and floats the husks and fine dust up wardly for collection in the husk receiver while the air exhausts through holes at the opposite side. The experiments included four cleaning air speeds (2.5, 3.0, 3.5 and 4.0 m/s), four baffle angles (35, 40, 45 and 50°), two fiberglass baffles (with or without rubber covered) and two seed samples (before and after feeding). Cleaning efficiency and seed losses were measured. Results showed that, the maximum value of cleaning efficiency (98.7 %) for seed mixture before feeding was achieved at cleaning air speed of 4.0 m/s, baffle angle of 35° and baffle without rubber. The minimum value of seed losses (0.3 %) for seed mixture after feeding was achieved at cleaning air speed of 2.5 m/s, baffle angle of 50° and baffle with rubber. It is recommended to use the cleaning device at cleaning air speed of 4.0 m/s, baffle angle of 35°, baffle without rubber to increase the cleaning efficiency and use it at cleaning air speed of 2.5 m/s, baffle angle of 50°, baffle with rubber to lessen seed losses.  
Keywords
separating impurities; cleaning; barnyard seeds; small birds
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