| 摘要 |
<p>Described is an air solar heater useful in processes for drying products, which contains a flexible collector manufactured with plastic sheets or fabric or any other material able to absorb the sun radiation and transform it into heat. Said heater has the possibility of being folded and packed so as to be easily handled and transported. Two plastic sheets or canvas or fabrics are attached in such a manner that ducts are formed for making the air to flow therethrough, said plastic sheets being exposed to the solar radiation and heated so that heating the air flowing through them.</p> |
