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太阳能真空管的水温与水箱的水温之差
来源:http://www.sdlntyn.com 发布时间:2017-5-11 10:46:22 浏览次数:474
1、联体式自然循环型:真空管集热器直接与水箱相连,太阳能真空管的水温升高时热水进水箱上部,温度较低的水入真空管,这样周而复始,提高水箱水温。
1, combined with natural circulation: vacuum tube collector is directly connected with the water tank, hot water into the upper part of the water tank of solar vacuum tube water temperature rise, low temperature of the water in the vacuum tube, and improve water temperature.
2、成本虽然较低,但是效率差,而且不利于随时取热水。安装时各水箱需在同一水平位置,困难较大。
2, although the cost is low, but the efficiency is poor, and is not conducive to hot water at any time. When the installation of water tanks in the same horizontal position, difficult.
3、分体式强制循环型:真空管集热器通过管道与储水箱相连,根据太阳能真空管的水温与水箱的水温之差,用循环泵使太阳能真空管的水与水箱的水进行强制热交换。
3, the split forced circulation type vacuum tube heat collector is connected with the water tank through the pipeline, according to the water temperature in the water tank of the solar vacuum tube and the difference in the forced circulation pump used in the heat exchange of solar vacuum tube water and water in the water tank.
4、这种方式热效率高,水箱提温快,但需要增加循环泵的费用。有的用户采用定温出水式,即当太阳能集热器的水温高于设定值1时,向集热器供自来水,将集热器的热水顶入水箱,当太阳能集热器的水温低于设定值2时,停止供水。
4, this way, high thermal efficiency, water tank temperature fast, but the need to increase the cost of circulating pumps. Some users with constant temperature water, when the water temperature of the solar collector is higher than the set value of 1, for the tap water to the collector, the collector of the top of the water into the water tank, when the water temperature of the solar collector is lower than the set value of 2, to stop water supply.