Russian-made solar collectors are efficient equipment that has fairly high quality characteristics and is able to heat residential buildings.
Description of the device
The essence of the work of such units is that they are able to absorb, accumulate and distribute the accumulated energy. It is used to meet the various needs of consumers at home. The general principle of the solar collector is due to its constituent components. It has a collecting device, a heat exchanger circuit, a battery, a receiver and sensors. The main structural element is made of a copper alloy, which is subsequently insulated with polyurethane and anodized aluminum coating. It is through the absorption device that further heat distribution is carried out.
Due to the fact that in the upper part of the equipment there is a movement of liquid, which produces energy intake from copper tips. The media will heat up in the coil. Such a cycle will be closed and continue until the temperature of the carrier becomes higher than the temperature of the liquid. Naturally, a significant part of the effective operation of a Russian-made solar collector, like any other, will depend on the duration of a sunny day and other weather features.
Types of collectors
There are several basic types of devices.
- The first model is a coaxial installation. This device has the form of a double bulb made of glass, inside of which there is no air. He is pumping out of there. An absorbent coating is applied to the surface. For this reason, energy is transferred directly from the tube itself.
- The second model is a feather design, which is presented in the form of a single-wall flask.
- There are also varieties of models for the circulation of the carrier of a thermosiphon system.
- There are solar collector systems in which a low power pump is installed. These are forced circulation networks. The advantage is that the power consumption is significantly reduced, and the energy received is increased.
- Distinguish models and the number of their contours.
Characteristics of Russian models
The most famous Russian-made solar collectors are Dacha and Universal. For example, the SCH-18 model is characterized by a rather high coefficient of efficiency, in which the condensate temperature reaches 250 degrees Celsius. The flasks for these types of devices are made of copper, and the coolant is liquid. It is also important to note that there is no water in the vacuum, which helps to avoid freezing in the cold period. The case is strong enough, which is an important property for areas with strong winds. In order to avoid dust and dirt, rubberized anti-dust pads are installed. The highest efficiency is observed up to a temperature of -35 degrees Celsius. These Russian-made solar collectors are manufactured to all international standards, which guarantees their reliability and safety.
How to choose a device
If there is a need to purchase these types of devices, then it is necessary to consider several basic nuances.
- If the roof on which you plan to install the system is flat, it is best to choose a collector with a tubular system. The device will hold very firmly with a large sail.
- It is necessary to study in sufficient detail such characteristics of the tubes as the type, size, quantity, and also the area occupied by the equipment.
- In addition, it is important to find out such general system parameters as dimensions, liquid volume, absorber surface, quality of the glass of the bulb and the thickness of the insulator.
- When purchasing, you need to consider that the price of the solar collector does not include the cost of such components as a tank, battery and exchanger.
Production in Russia
Of course, the production of collectors in Russia is developing every year, but if we take into account the global scale, then the Russian market is not even taken into account when analyzing the data. However, it is worth noting that the quality of domestic models is rapidly approaching European. If we talk about the cost of this type of product, then you need to consider such factors. Firstly, whether the company has its own production of components, and secondly, whether it is engaged in the assembly of imported elements or buys ready-made ones. Given these two rather important factors, we can say that the average price of a solar collector is in the region from 20 to 30 thousand rubles.
It is also important to understand that only firms such as Solar Wind and Solarintech are engaged in the full assembly of solar systems. The remaining companies produce only solar panels. Very popular among people are models that are manufactured by Sokol. They are good in that it is possible to modify the device.
Fluid heating
There are solar water heaters for the home, but for their normal functioning it is necessary that certain conditions are met. It is very important to carry out the installation process correctly. The power of heating the water depends on this. Under the most favorable conditions, in the winter season it will be possible to increase the water temperature by about 50-65%, and in the summer season by 100%.
Based on these figures, we can confidently say that in the summer season, this kind of system is not only enough to heat water, but also to provide heat to the house. Another rather big advantage will be that in the summer period the generated energy is enough for the operation of some household appliances.
Design Differences and Reviews
There are types such as vacuum manifolds. The main difference is the tubes for this type of solar collector. They are coated with special materials to increase the degree of absorption of sunlight. In addition, in such tubes most often there is one more, but with a smaller diameter.
There is a vacuum between the two components. Thanks to this, it was possible to increase efficiency by about 30% and increase the amount of stored heat. In collectors of this type, it is possible to heat the fluid to 300 degrees Celsius.
Reviews on this product are mostly positive. Many users note high savings, and especially in those years that differ in sunshine. Many of the buyers installed German, Chinese, as well as Russian models of the device. Some people complained that these units generate a lot of heat, but with hot water everything is not so good, and if the family is large, you have to save a little.