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在热带国家,每年夏季水果和蔬菜大丰收后,大量的水果和蔬菜要腐坏,近来菲律宾使用了附带燃烧炉的太阳能干燥器(下面简称干燥器),用于食品保藏,解决了腐坏问题。使用该干燥器与太阳光直接晒干水果和蔬菜比较有八大优点: ①取得更高的热量;②水果和蔬菜干燥的时间短;③口味好;④细菌少;⑤含水分低;⑥保藏期长;⑦缩小场地;⑧晴、雨天都能加工。该干燥器是顶面为16.68度斜顶,外形呈梯形的设备。它是由木头和铝质框架,顶部覆盖一层透明聚乙烯薄膜组成的。该干燥器外加辅助太阳能加热器和辅助燃烧炉。
In the tropical countries, large quantities of fruits and vegetables are decayed after the summer harvest of fruits and vegetables each year. Recently, the Philippines has used solar dryers with combustion furnaces (hereinafter referred to as dryers) for food preservation to solve the problem of spoilage . The use of the dryer with direct sunlight and dried fruits and vegetables have eight major advantages: ① higher calorie; ② fruit and vegetable drying time is short; ③ taste good; ④ bacteria less; ⑤ with low moisture; ⑥ shelf-life Long; ⑦ narrow the site; ⑧ sunny, rainy days can be processed. The dryer is a top of 16.68 degrees inclined top, the trapezoidal shape of the device. It is made of wood and aluminum frame, covered with a transparent polyethylene film at the top. The dryer plus auxiliary solar heater and auxiliary burner.