| 摘要 |
<p>The present invention relates to a solar collector (1) comprising an inlet (2), an outlet (3) and a channel system (4) arranged for transportation of a fluid from the inlet to the outlet while the fluid absorbs solar energy. The channel system comprises at least one section (22-25) including a distribution channel (18), a collecting channel (19), and a plurality of heat absorbing channels arranged for transportation of fluid from the distribution channel to the collecting channel. The channel system comprises a first transverse pipe (10) designed to house said distribution channel and a second transverse pipe (11) arranged at a distance from the first transverse pipe and designed to house said collecting channel, and a plurality of heat absorbing pipes (14) connected between the first and second transverse pipes and designed to house said plurality of heat absorbing cannels, and at least some of said heat absorbing pipes are provided with at least one return pipe (32) arranged to recirculate a part of the fluid in the heat absorbing cannel.
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