Analisis Efisiesni Blower Mesin Pengering Padi dengan Daya Penggerak 1000 RPM dan 818 RPM di CV Jasa Bhakti Karawang

Abstract

Along with the times, the need for technology is increasingly needed to support increasing human needs, including in the agricultural sector, where a tool is needed to dry rice quickly after going through the harvest process, therefore a Blower Machine for Drying Rice is made.   The blower used in the rice drying process is a centrifugal type with a curved blade, the workings of this blower machine is to pour rice into a room with an area of ​​5 x 12 m which has been installed in a series equipped with a screen that has a height of 60 cm from the ground, and a width of 60 cm. screen maximum of 2.5 mm, redistribute the grain so that it looks evenly distributed with a maximum pile height of 50 cm, then turn on the combustion furnace with gas fuel so that the temperature reaches 135℃, then turn on the driving motor, and wait until the water content in the rice reaches 13.8 -14%. Because according to the Indonesian National Standard (SNI) for milled dry grain, the recommended moisture content is 14%. From the analysis results, it is found that the blower is able to provide heat of 44.4 for 1000 Rpm blower rotation, and 40.2 for 818 Rpm.