| 摘要 |
<p>The invention relates to an installation using the sun rays to prepare domestic warm water. According to the invention, the installation comprises some cylinders (1) made of PET, painted in black, mounted on horizontal rows, by means of some connecting plugs (2), each cylinder (1) being introduced into another transparent cylinder made of PET, having a diameter larger than the diameter of the first cylinder (1), so as to ensure a good thermal insulation, more such rows being mounted in parallel, by means of some connecting hoses (3), the cold water supply being made at the lower side, through a supply valve (R), the warm water being obtained at the upper side, through a discharge hose (5) provided with a vertical plane loop and with a venting valve (4).</p> |
