Many people would like to have your own outdoor pool in the country. But not everyone can afford such luxuries as water heating using the electric heater. The development of modern technologies allows the use of alternative solar energy for these purposes.
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Advantages of alternative energy solar collector heating the water in the outdoor pool using a solar collector is the most efficient way of creating comfortable temperature. It is an economical way of heating, allowing you to quickly recoup the costs of the solar panels. When you consider that in many suburban areas there are often shortages of electricity, solar energy is the only available and permanent source of electricity
What in the outdoor pool you want to heat water? In the continental climate of Russia, the water in the outdoor pools needs to be heated often, even in summer. And in the offseason not do without it. At a low temperature of the water, even for an adult water treatments can result in a cold. But if we are talking about young children, it is necessary to maintain a comfortable temperature so that children do not get hypothermic in the water.
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Private pools open and closed, tend to have small volume. Perfect for these artificial reservoirs is considered water temperature of +24, +28 °C. If you bathe children, it is advisable to adhere to a water temperature of +28,+30 °C even in hot summer weather. Only in this case will be able to cool and not to get sick from the temperature difference.
The difference of temperature of air and water should not exceed 2-3 degrees, only in this case there will be no sudden feeling of chill and promezhnosti at the time of exit from the water. In the indoor air must be warmer than the temperature of the water at these temperatures. For the outdoor pool permissible warm water temperature is +21, +26 °C.
To maintain the required temperature of the pool water omogucavanje collectors. The owners of these reservoirs will not require large financial investments and efforts. A microclimate is created from the operation of such equipment will be the most favorable for children and adults.
Besides such a heater will allow you to use the indoor pool throughout the year, not just during summer that will enhance the health of family members and thereby raise the level of quality of life.
Solar panel system not only allows you to save on electricity. It is easy to care for. The owner will only have to regularly clean the filters from contamination, to reduced efficiency of the solar collector.
Technology of warm-pool water through the solar collector
The pool owner can connect and establish an Autonomous solar panel for water heating in the pool and can connect to alternative home heating system and heating hot water. In this case, the use of solar energy to lay still in the development stage of the project of a country cottage as developing communication, and select the energy sources of the future house. Such a unified system will allow to avoid overheating of the solar battery and will allow you to use as a source of heating water for pools solar collectors installed on the roof of the house.
Design of a solar collector
Solar heating of pool water includes:
- The collector;
- The pumps that pump water and ensure its circulation in the pool;
- Heat exchanger system that enables transfer of heat throughout the mass of water;
- Protective filters for the pump, producing clean water;
- Valves are engaged in the water supply.
The water from the pool through the filters is pumped by the pump to the heat exchanger. At the entrance to the heat exchanger is a sensor for fixing the temperature of the water environment. If it is below the specified value, and the collector is already hot enough, the water automatically flows into the heat exchanger. If the sensor detects a predetermined temperature level, with the help of the pump the water comes back. Cold water enters the heat exchanger where it is heated to the desired temperature with the solar collector.
Inside the module heat exchanger is a special tube, through which moves the coolant heated by a solar battery. This system resembles a huge kettle, which is heated not by electricity, but by solar energy.
Rules for the selection of the solar collector When choosing the right collector, solar energy, it is necessary to define correctly the power of such equipment and the total area of solar panels. You will need to take into account the number of Sunny days in a certain period and the need to use heated water of the pool.To determine the total area of solar collector required:
- To determine what type of tank you want to use (open or closed);
- To choose the place of installation;
- Choose the correct tilt, orientation and type solar panels;
- To highlight the essential features of the tank manifold, including volume, area, type of covering material, depth, color coating;
- To set the intensity of use of the pool;
- To set the temperature level of the heated water;
- To determine the intensity of water flow.
All of these calculations must be performed for each specific pool individually. You should also consider some General points. For example, for indoor pools, solar collectors should be placed on the area constituting from 50% to 70% of the surface of the water. In outdoor artificial ponds, the area occupied by the collector, must leave from 70% to 100% of the water surface.
The place of installation of solar collectors for heating water in the pool
When you install solar panels for heating water in the pool must adhere to certain rules. Such heating equipment can not be put on a level surface. The piping of the back flow of water should be placed above the direct supply. This principle of uniform lift pipes allows to avoid the formation in them of air pockets and slow down the process of heating.
In closed basins, collector, solar energy installed on the southern side of the roof, with the deviation from the South direction shouldn't be more than 450. You can also use the slopes of the roof, oriented to the West or to the East. But in this case, the total collector area must increase.
When using a vacuum manifold, for which you can use a flat roof with a slope less than 15°, you can not use the orientation of the compass. Such systems are motivated by the location of the solar disk above the horizon.
You can also install solar panels over the pool, using the guides. When the pool is not used, the collector will close it and play the role of insulation. With this method of installing solar panels can increase the level of heliopause and protect the coolant from overheating.
How to reduce loss of solar energy
In the calculations related to the selection and installation of solar panels also need to calculate the loss of energy that is characteristic of all heating systems. This will allow you to minimize and more efficiently use the energy of solar collectors.
The heat loss in the pool is affected:
- The evaporation of water and the natural heat exchange of water and environment;
- Overflow of water through the sides of the pool and splashing time swimming;
- The ground takes a lot of heat from the pool;
- When cleaning the filter with warm water.
To reduce heat loss in the outdoor pools need at night close them with a special insulating material that will also protect the pond from clogging.