Disaln dan Ujl Klnerja Pengerlng Rotari Tumpukan untuk Pengeringan Jagung Pipilan

Abstract

A millry bed dryer for Qraln had been OOVfl/oped 1100 testf1d In this study. The drye' WIIS oosiQned In OTd6r 10 providfJ /VI etrootive mixing e6l!ct. The dryer uMJd perforIIlfld cylindrical drvm for its chamber ffoo WIJ8 rotated by an flIectrIcffI motor; 71Ie I'8SUIt showed IlIat ~ the numbe13 0/ rotBtIon WIJS 20, the shflIJfld com had boon mixed eff6ctiVflly. To moot this oonditioo, thff drom was rotalfld for 5 minutes eVflry 15 minutes during thu drying pr!}OIIA. As the IV5u/t the varillOOn of moistuIV content In rudiff/ diru<.;OOn wa5 /fIss than 1. t% w.b. WIth drying air temparatuIV of670C and trooC tha spaclffc alHlrp)' consumpllon of tha drywW818 5.6 MJ/kg 10 rJKJuca tha moisIuIV oontent 110m 25 to 16" b.b. and 5.4 /,UIkg 110m 17 to 13% .... b. TharmaI el>9llW was Ihfl highest contributor of total Untl'Y)' COfI5Umplion. A3 it had boon ullJ)fJCled. Ihfl full load of tha drya, provldad a lo ... a, machan/cal anargy raqulramant than tha half load.