太阳能干燥的方式有两种:一种为加透明盖板进行直接曝晒,称为吸收式;另一种是利用太阳能加热某种流体,然后将此流体直接或间接加热待干燥的物体,称为间接式或对流式。对流式太阳能干燥器一般以空气为工质,空气在太阳能集热器中被加热,在干燥器内与干燥的湿物料接触,热空气把热量传给湿物料,使其中水分汽化,并把水蒸气带走,从而使湿物料干燥。
这种结构简单的新型太阳空气加热器在太阳能干燥及采暖等领域有很大的潜在应用价值。
This new kind of solar air heaters can be expected to have a wide potential application in areas such as solar drying and solar heating.
解决太阳能干燥设施内高湿条件下的结露问题是应用和推广太阳能谷物干燥技术的难点之一。
In use and spreading of solar-energy drying facility (SEDF), it is one of the key points to solving dewfall problem in the high humidity inside of SEDF.
本研究为今后太阳能干燥技术在无机盐化工干燥行业的应用提供了一定的理论依据与技术支持。
In short, the environmental effect of this system is significantly great. This study provided theory evidences and technical supports for the optimization of process parameters during drying.
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