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浅谈平板式热管太阳能热水器的优势性!
来源:http://www.sdlntyn.com 发布时间:2019-1-30 9:59:25 浏览次数:257
平板式热管太阳能热水器是用热管代替一般平板集热器中的水管。热管内部的作业液体能够选用防冻的液体。
Flat-plate heat pipe solar water heater uses heat pipe instead of water pipe in general flat-plate collector. The working liquid inside the heat pipe can choose the anti-freezing liquid.
在热管的蒸腾段两侧焊有纵向肋片,肋片和热管上涂有选择性涂料,以吸收太阳辐射能。热管的冷凝段插人水箱中,当太阳光照射热管蒸腾段的时分.热量经过涂层和金属管壁进人热管内部。
Longitudinal fins are welded on both sides of the transpiration section of the heat pipe, and selective coatings are applied on the fins and heat pipe to absorb solar radiation energy. The condensation section of the heat pipe is inserted into the water tank. When the sun illuminates the transpiration section of the heat pipe, the heat passes through the coating and the metal pipe wall and enters the inside of the heat pipe.
热管内部的作业液体受热汽化,蒸汽流入到热管的冷凝段放出热量加热水箱中的水,蒸汽冷凝成液体后回流到热管的蒸腾段接受太阳热重新汽化为蒸汽,再流入到冷凝段放出热量,如此重复循环。
The working liquid inside the heat pipe is heated and vaporized, and the steam flows into the condensation section of the heat pipe and releases the water in the heat heating water tank. After the steam condenses into liquid, it flows back to the transpiration section of the heat pipe to receive the solar heat to vaporize again, and then flows into the condensation section to release heat, thus repeating the cycle.
与一般平板式太阳能热水器比较.平板式热管太阳能热水器有如下好处
Comparing with flat solar water heaters, flat solar water heaters have the following advantages
1、平板式热管太阳能热水器的热管一般均为重力式热虹吸管.它具有单向导热性的特色,即热量只能从蒸腾段导向冷凝段,而不能从冷凝段导向蒸腾段,因此.在北方区域当夜晚外界温度低于水箱内温度时,热量不会从水箱经过热管散失到外部环境中去;

1. The heat pipes of flat-plate heat pipe solar water heaters are generally gravitational thermosiphons. It has the characteristics of single-conductivity, that is, heat can only be directed from the transpiration section to the condensation section, but not from the condensation section to the transpiration section. Therefore, in the northern region, when the external temperature is lower than the temperature in the water tank at night, the heat will not be dissipated from the water tank through the heat pipe to the external environment.

2、 热管的作业液体能够选用防冻工质.在北方寒冷区域能够防止冬夜因温度过低而冻破热管;
2. The working fluid of the heat pipe can choose the anti-freezing working fluid. In the cold area of the north, it can prevent the heat pipe from freezing and breaking because of the low temperature in winter night.
3、 每根热管都是独立的热管元件.单根热管如有扭坏能够更换,而与体系无关,故安装维修均较便利,运用寿命长。
3. Each heat pipe is an independent heat pipe element. If a single heat pipe is twisted, it can be replaced, but it has nothing to do with the system. Therefore, the installation and maintenance are more convenient and the service life is long.
热管平板太阳能热水器的缺点是价格较高,为了提高传热功率,热管以及肋片更好选用铜、铝等有色金属,这就提高了制作成本。假如选用碳钢作为热管及肋片的资料,则价格可能与一般平板式太阳能热水器相差不多。
The disadvantage of flat solar water heater with heat pipe is its high price. In order to improve the heat transfer power, copper and aluminum are the best choice for heat pipe and fin, which increases the production cost. If carbon steel is chosen as the material of heat pipe and fin, the price may be similar to that of flat panel solar water heater.
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The above information is our Jinan Renorette Solar Energy Release Hope to help you with our website: http://www.sdlntyn.com!