KINERJA MESIN PENGERING MIKRO BERTENAGA KOMBINASI SURYA DAN LISTRIK DALAM PENGERINGAN KAYU JATI
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Abstract
Indonesia is one of the exporting countries for wood crafts to 193 countries, but in the process, it often suffers losses due to
product returns by the buyer due to cracked defects when the goods arrive at the ordering country. One of the efforts to improve the
quality of wood crafts is to dry the wood according to the destination country so that the dimensions and humidity are relatively
stable. The industrial-scale wood drying process requires a high investment, so developing a small-scale dryer for artisans is necessary.
This study aims to design and test the performance of a simple wood dryer with a capacity of 1.5 m³ at an affordable cost, easy to
operate and use by the public. The test samples used were stems and branches of teak (Tectona grandis L.f.). The heater used is
a combination of solar heat and electricity, namely the heat of the sun is maintained and flowed into the wood drying chamber
through a fan that sucks hot air from the combustion chamber into the drying chamber. Hot air is circulated to the inlet again
continuously to be redistributed to the drying chamber. The test results show that the daily average temperature of solar heat received
by the drying chamber is between 40−50°C, while the temperature for drying teak wood is between 45−70°C. From the evaluation
that has been done, the heating plate is less effective in heating the space, so it is necessary to replace it with a modification of the
installation of the heating element on battery powered devices.
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