Development and testing of back-up stove for solar dryers and solar air heaters

1.0       INTRODUCTION

The low solar radiation during winter and rainy season give rise to a need for backup heating source for solar dryers and solar air heaters. The backup charcoal stove consists of three main components, the stove, heat-exchanger and chimney. The stove is made up of the burner and ash tray. The burner is pyramidal with holes along the slanted height for air delivery to the heat-exchanger. Holes at the bottom of the burner allows for easy air circulation and the ash tray for collecting ashes. The heat exchanger is shell and tube type. The chimney has rectangular cross section; … read more