Solar water heater how to buy solar energy need to pay attention to what the problem
I believe that every consumer who decides to buy solar energy will have a lot of questions, especially on how to choose solar energy. In order to let everyone have a new understanding of solar energy products, here Xiaobian compiled the following knowledge about solar energy.
1, solar water heater principle
The sun light shines on the vacuum tube and is absorbed by the selective absorbing coating on the outer wall of the inner tube. It is converted into heat energy. The water in the vacuum tube is heated, the density of hot water rises slightly, the density of cold water sinks downward, and the cold and hot water continuously Alternately, the water in the tank is gradually heated.
2, solar water heater structure
A complete solar water heater consists of four parts: vacuum tubes, water tanks (including liners, insulation layers, barrel skins), brackets, and accessory accessories.
(Solar structure)
3, need to pay attention to the purchase of solar energy
(1) choose the brand
Large companies have advanced equipment, processes and inspection methods, and product quality is guaranteed.
(2) Look at the water tank
The insulation material of the tank liner directly determines the insulation performance of the tank. Currently, the most advanced foaming material in the industry is green non-fluorine foaming, safe and non-toxic.
(3) Calculation capacity
At the time of purchase, consumers can set the “family size*30 liters†as the total capacity required. However, in addition to taking a bath and considering the use of dishes, hand washing, etc., consumers are advised to buy a slightly larger capacity.
(4) See the function
Many consumers who buy solar energy will feel that the water supply and electric heating operations are very troublesome. Therefore, the convenience of use must be considered when purchasing. It is best to select fully automatic, as long as one key can easily have hot water.
(5) Look at the vacuum tube
When you purchase, you should carefully observe the film on the vacuum tube. The quality is good and the color is uniform. There is no scratch on the film and no peeling or peeling occurs.
(6) Look at services
Solar industry has one statement: three points of product, seven points service. It is best to choose the products of a large company with strong strength and professional after-sales service system.
I believe that after everyone reads our popular science introduction, they will have a certain understanding of solar energy knowledge and the industry. I hope that we can ask more questions and we will answer them one by one.
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