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Water heater for the pool do it yourself - Blog about repair

Water heater for the pool do it yourself

26-03-2018
Useful

Dousing with cold water and occasionally diving into an ice-hole in some cases can be beneficial for health. But for a long time in such conditions can not swim. To fully enjoy the comfort of bathing, it's good to know how to make a water heater for the pool with your own hands. Not in all places weather conditions are such that the fluid can warm up just by being in the sun. It is in these situations that we cannot do without additional help.

System requirements

Water is the environment in which the human body relaxes and rests in the best possible way. But, in addition, it is in such conditions that there is a danger of injury that could be injured. For this reason, the heating system must meet the basic requirements:

  • relatively high heating rate;
  • good insulation in the presence of electric current;
  • minimum implementation costs;
  • environmental safety;
  • the possibility of continuous use;
  • ease of self-assembly;
  • availability of all components;
  • lack of complex mechanisms;
  • ease of repair.

In most cases, it will not be possible for a particular mechanism to comply with all the points listed, but if at least 80% of them are covered, then such a solution can be considered very productive.

Types of water heaters

The ideal option is such a solution, which does not consume any coolant and electrical energy. But in real conditions this is almost impossible to achieve. There are a large number of varieties of both commercial and independent developments.

Use of gas boiler. This option can not be called economical, but thanks to him, a large amount of heat can be quite quickly. The disadvantage of this system is the need for some refinement. If you let the water from the pool directly into the heater, it can clog it and cause scaling on the heat exchanger. In turn, this will result in costly repairs.

Wood burning water heater. This makes a small firebox through which the coil is passed. Water, passing through it, heats up and returns to the tank. In this case, you must constantly monitor the state of the system and do the loading of firewood. Also there is no possibility to carry out continuous heating. At night, the water will lose its temperature.

Heat pumps. It makes no sense to put such a unit only to heat the pool. It will be inexpedient in terms of performance and material waste. You can use it in the case when it is already built into the heating system of the whole house. The condition for its operation is the ambient temperature, which must be above + 5 ° C.

Electric heaters. Inherently similar to instantaneous water heaters for domestic use. The principle of operation is that the fluid passes through the coil, which is in contact with the heating element. Thus, the transfer of thermal energy. Such a solution is very uneconomical in terms of energy costs. The power elements can reach and exceed 6 kW. If you apply it for a long time, then the electricity bill will block all the joy of bathing.

Solar water heaters. In such decisions, the sun acts as a heater. His resource is inexhaustible, you do not need to pay for it, so this solution can be considered ideal. But do not forget that during high clouds, when the rays are scattered, the performance drops, and at night it is completely zero.

Installation or connection to any of these options can be done independently. Some can be assembled with the first screw. How to do this will be discussed below.

Heating the fluid in the pool is only half the battle. Constantly it is necessary to monitor the cleanliness of the internal space, and also to ensure that the water does not bloom. Heat preservation is also one of the main tasks.

Several options for solar heaters

For the manufacture of productive and interesting options will need the following components:

  • black sheet of cellular polycarbonate;
  • polypropylene pipe with a diameter of 25 mm;
  • fittings, their number and parameters will depend on the specific configuration;
  • circulation or drainage pump;
  • filter.

The manufacturing sequence will be as follows:

  1. You must take two pieces of pipe. Their length should be 7 cm longer than the width of the polycarbonate sheet.
  2. The MPN adapter is soldered to one end of each segment (or MRI, everything will depend on how you need to ensure the connection).
  3. On the other hand, the pipe is closed with a plastic plug.
  4. Markup is made along the pipe. Two lines are applied. The distance between them should be equal to the thickness of the plastic sheet.
  5. Nozzles are fixed in a vice so that they can not be moved. With the help of the grinder, slots are made.
  6. On the one and the other side of the polycarbonate, the prepared elements are put on.
  7. The joints are coated with an adhesive that is water resistant.
  8. The whole construction is left for a certain period of time for full seizure to occur.
  9. Place the resulting unit is necessary on the roof under the slope. The directivity of the internal channels should go along the sheet.
  10. The feed pipe is connected to the lower part, and the discharge pipe is connected to the upper part.
  11. In the pool pipe falls to the bottom. To it is attached the cartridge from the filter flask. In another embodiment, you can cut off the neck of a 2-liter bottle 15 cm long. Wear a stocking on the open part and fix it with a tie. The hose is connected to another part. It is output to the circulation pump.
  12. To the second outlet of the pump pipe is supplied from the bottom of the manifold.
  13. The pipe from the upper part of the collector is supplied to the basin so that the bay takes place from above.
  14. In order to start the whole mechanism, it is necessary to partially fill it with water so that the pump can pick up the current.

The essence of the operation lies in the fact that cold water is taken from the bottom of the pool, is fed into the lower part of the polycarbonate. Passing through its entire area through small channels, it warms up and returns again to the tank. With a reservoir size of 6? 2 m, the power reaches approximately 7 kW.

Another heating mechanism is also made quite simply. For it will need:

  • metal-plastic pipe with a diameter of 16 mm;
  • glass;
  • black paint in the barrel, resistant to temperature;
  • edged board 10? 3 cm;
  • screwdriver;
  • self-tapping screws;
  • galvanized sheet metal 1 × 2 m;
  • hacksaw for wood.

The assembly of the whole structure is carried out as follows:

  • Two blanks 2 m long are cut from the board. The other two segments should be 1 m each.
  • They are twisted together in a rectangle.
  • The back is sewn with sheet metal.
  • The inner side is covered with black paint, which will attract more sunlight.
  • The whole construction space is conventionally divided into two parts. In each of them it is necessary to lay a metal-plastic pipe, which will be rolled up in the form of a snail.
  • Two circuits are interconnected in one closed system.
  • For fixation of the pipe, restrictive bars of wood or other material are fixed on the sides.
  • Inside, everything is again painted with black spray paint.
  • In one of the end walls, a cutout is made and the supply pipe is passed through. In the same way, it is worth doing from the opposite end diagonally.
  • The box is closed on top with ordinary glass. This will give the opportunity to raise the temperature to the maximum possible value.
  • A pump is installed near the pool. Self-priming centrifugal can be used. He is not afraid of airing. He will also successfully suck up the water and feed it upstairs.
  • The collector is installed at an angle of 30 ° in the direction of the sun. It is advisable to place it on the roof.
  • A hose is lowered into the pool and a filter barrier is placed on it, as described above. The pipe is connected to the pump. A pipe for supplying liquid to the top is connected to the second outlet.
  • From the collector pipe is lowered directly into the pool.

The water, passing through the coiled sections of the pipe, manages to warm up well and subsequently release its temperature to the liquid that is in the tank. The coils may not necessarily be arranged as described above. It is possible to make the construction of large sizes and lay the pipe snake or other pattern, which will ensure maximum heating.

To automate the entire process, the pump can be connected to a special timer. On the device to make settings in this mode, so that it begins to function only during the day. The supercharger will turn on independently and you will not have to worry about uncomfortable conditions.

Wood heater

The essence of the method, which will be described below, fundamentally resembles solar heaters. Only the main element is not a natural, but an artificial source. Consider the general scheme. Components can be easily replaced by those that are available in a particular case. For work you will need:

  • plastic pipe or hose that can withstand hot water;
  • old radiator or battery;
  • circulation or suitable centrifugal pump;
  • 200 l metal barrel;
  • firewood.

Before assembly, you need to find a place on the site where you can freely make a fire. It should not be too close to the pool, because can damage it if it is assembled from PVC film or wood.

  1. The metal tank is installed. It is not necessary to use it. You can make improvised stands of bricks.
  2. Above it fits a radiator or an old battery.
  3. Nipples with Christmas trees are screwed onto the outlets at the ends, on which a hose can be put on. This can be an adapter with two threads for winding the pipe.
  4. To connect the outlet port and lower it into the pool.
  5. At the bottom of the pool install filter tip on the principle, as described above.
  6. Connect the intake hose to the pump.
  7. From the pump we make a connection to the inlet of the battery.
  8. Under the radiator we make a fire and turn on the pump.

If desired, the pool with 11 thousand liters of water can be heated to a temperature of 27 ° C in one day. If you continue to warm up, then get an impromptu Jacuzzi.

Before using an old battery or radiator, be sure to rinse them well. In the middle there can be a raid and rust, which will lead to damage to the impeller of the pump, and also stain water.

Можно сделать переносной прибор, который будет применяться на постоянной основе. Для этого понадобится металлическая труба диаметром 200 мм. Ее высота должна быть 80?100 см. На дно приваривается квадратный лист металла размером 30?30 см. По внешней стороне спиралью накручивается медная трубка желаемого диаметра. Верхний конец подключается к шлангу, по которому вода поступает в бассейн, к нижнему — подача. Для того чтобы вся система заработала, необходимо внутри гильзы развести костер и постоянно подкладывать firewood. Вода, поднимаясь по змейке, будет прогреваться и потом отдавать свою температуру в общей емкости. Чтобы увеличить КПД установки, можно найти еще одну гильзу большего диаметра и установить ее как кожух, тогда прогрев будет осуществляться еще быстрее.

Gas heater

As mentioned above, connecting directly to the boiler is fraught with costly repairs. Special heat exchangers have been developed for this case. They represent a small flask that is connected through a manifold to the heating system. In it on a snake hot water circulates. Thanks to the pump, which is installed near the pool, the liquid from it is fed into this sleeve, where the exchange takes place.

The article can be used as a practical guide for assembling a specific heater or as a hint for your own developments. We are sure that you will be able to assemble a productive unit.

Video

The assembly of the solar collector is shown below:

See also:

  • How to make a solar battery.
  • How to make a pool of PVC.
  • How to make a waterproofing pool.