Solar Water Heater

The solar water heater is also called the solar collector. It serves to heat running water. The simplest solar heater is a barrel painted black and filled with water. Black color absorbs solar energy better than other colors and converts it into heat. As a result, the water in the barrel will heat up.
Solar water heater
Naturally, this is the most primitive way to collect the heat energy of the sun. I'll show you how to make a portable solar water heater, a simple design from available parts that you can easily buy at any construction store. This water heater will be efficient and very easy to manufacture.

What is a solar water heater?

A solar collector is a copper pipe, twisted in a spiral, enclosed in a rectangular case with one transparent wall .The water heater has a small weight and size, so it is easily transported, for which a carrying handle is screwed from the side.

What is the purpose of this solar water heater?

I personally use the solar water heater to quickly heat water in the pool. Since it can work in the winter, it can even be used for heating during the daytime.

Pros of solar water heating

- Everything is free, it helps to save energy. - Sunny the collector also works in the winter, but with less efficiency. - It does not require special expenses for equipment manufacturing. - Pumps that drive water can also be powered from the sun using solar panels.

The process of manufacturing a solar collector

We need: - Copper tubing length of 15 meters and a diameter of 6 mm. - Plastic cable clamps ( nylon screeds. - Plywood for the back wall. - Wooden sticks and slats for the side walls and fixing glass. - Plexiglass or organic glass. - Black paint spray. - Fasteners (nails, screws, screws). - Transitional fitting for a copper tube. Maybe something else was missed.
Solar water heater
So, Mr. Nom needs to expand the tube in one layer with a small indentation,To estimate the size of the future solar collector. And you can immediately take a certain size of the box, and then cut off the extra tube.
Solar water heater
After the size has been chosen draw pencil lines along and across. These will be the line of fastening of the tube. Fold up the phone. We drill holes in the diameter of the clamps and fasten the tube with them, see the photo.
Solar water heater
Solar water heater
Solar water heater
Solar water heater
So gradually fix the entire skein. Then, sticking part of the clamps cut off with pliers. The plywood, on which our coil is now located, is not the back of the hull. We will build the body separately, and we will invest this panel there.
Solar water heater
We assemble the box under the panel with the serpentine.
Solar water heater
In this box we put our plywood with a serpentine.If you plan to use the collector in winter, I recommend putting insulation between the back wall and plywood with a serpentine.
Solar water heater
Drill holes in the side bars for pipe output.
Solar water heater
We nail the slats on the inside on which the glass will lie.
Solar water heater
Measure glass so that everything is flush, without unnecessary slots.
Solar water heater
Solar water heater
Screw the adapters under the garden hose.
Solar water heater
I fasten the handle for carrying and transporting.
Solar water heater
Spray paint to paint the inner surface.
Solar water heater
Close the glass.
Sunnywater heater
Connect the hose with water and give a small head.
 Solar water heater
On a sunny day, outgoing water with an average pressure can heat up 75 degrees Celsius.
Solar water heater
 Solar water heater
Solar water heater

The result of the work

The solar water heater heats the water well without too much difficulty, so I advise you to repeat it. Such panels can be arranged in groups, then the efficiency of such a system will be many times more. The large garden pools have an autonomous water filtration system that works all the time. Including a water heater in this system, you have nothing to lose, and the water in the pool will always be warm. And in general the entire pool can be in the shade, and the solar collector in the sun.

Video of building a solar water heater with own hands

Heated by several panels, using not copper tube, and a garden rubber hose.The efficiency is certainly lower due to the poor conduction of heat by the garden hose.


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