Low-carbon environmental protection has increasingly attracted the attention of modern people. Green environmental protection has gradually become a hot term for modern households. Solar water heaters are one of the simplest and most effective devices for household energy saving. How about solar water heaters? In this issue, we will follow Xiao Bian to understand the working principle of solar water heaters. It is much easier to understand the type and working principle of solar energy.
First, what is a solar water heater?
Solar water heaters convert solar energy into heat energy and heat water from low temperatures to high temperatures to meet people's hot water applications in life and production.
Advantages : Solar water heaters absorb heat from the sun through the heat-collecting device, and reduce the radiation, maximize the conversion of light and heat, and then store the heated water through a water storage device to store heat to meet people's hot water application. demand.
Type: Domestic solar water heaters are divided into two types according to the different collectors, one is an integrated vacuum tube solar water heater, using vacuum tube heat collection, natural circulation, and water supply through the gap, is a more common product on the market; the other is Plate split solar water heater, using plate collector collector, natural circulation or forced circulation, pressure water supply.
Second, what kind of home is suitable for installing a water heater?
Integral vacuum tube solar water heater: Because it uses the way of water supply, it must be placed on the roof, but also need to consider the pipe connection and insulation issues, so it is more suitable for buildings with a total height of less than 12 floors, living in 4- Households between 12 floors can be installed.
Flat-panel split solar water heaters: If the home floor is low, and you want to install solar water heaters, you can choose split-panel solar water heaters, because of the use of collectors and water tanks separated design, installation is not limited by the height of the floor, as long as the south to the sun is not Blocking can be installed.
Installation method of plate split: There are three ways to install plate solar water heater, one is that the collector is installed on the balcony and the water tank is installed indoors; the second is that the collector is installed on the balcony and water tank by means of the bracket. Installed indoors; there is also a collector and water tank mounted on the outdoor wall.
Third, how to choose solar water heater?
Three parts : vacuum tube, insulation layer, liner, vacuum tube must use high borosilicate 3.3 glass material to ensure light transmission, pressure resistance and anti-corrosion; liner is not less than 0.5mm thick stainless steel; insulation layer determines the insulation effect of the water heater Most of the market uses polyurethane foaming technology to keep warm, and some of them use integral high-pressure foaming technology to ensure the pressure and plumpness of the foam, which is more conducive to thermal insulation.
After-sales service : After-sales service is particularly important in the selection of solar water heaters. As the solar industry grows more and more, more and more manufacturers, and many are not qualified plant equipment, components to adopt OEM processing, quality is difficult to guarantee, select At that time, choosing large brand products was more secure.
Safety and security : The best choice for solar water heater products is the 3C certification mark, which is the country's mandatory certification of electricity products; in addition, it needs to pay attention to the product's pipe, accessories, whether it adapts to high temperature and cold conditions.
Fourth, how to use solar water heater properly?
Daily maintenance : In winter, the temperature is low, and the light is insufficient. When the system is not in use for a long time, the water in the system should be drained to avoid freezing of the pipeline. Check whether the pipeline insulation is cracked or disconnected. Replace the valve and it should be closed. After the system is powered off and restarted, check whether the data displayed on the controller is normal. If there is no water out of the sun when the sun is insufficient, look for the manufacturer for further inspection and maintenance.
Usage Note : The first time the Sheung Shui should be selected in the morning and evening under insufficient light conditions; tap water pressure is insufficient, it is recommended to increase the pressure device to use; can not immediately put the outlet toward the human body in order to avoid burns; vacuum tube to avoid long-term after installation When the sun is insufficient, avoid watering on the water several times a day.
Edit Comment: Consumers must have a comprehensive understanding of the solar water heater before selecting it. Whether it is the characteristics of the product or the most suitable installation conditions, it is the most sensible to recognize the need for selection.
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