Principles of solar water heaters

solar water heater is a major industry in the application of solar achievements, it is for the people to provide environmental protection, safety and energy conservation, the health of the new water heater products, solar water heater is the absorb solar radiation heat heating cold water is available to people in daily life, in the use of energy-saving equipment.

Solar water heater system is composed of:

Collector:

Collecting element in the system. Its functional equivalent electric water heaters, electric heat pipe. And electric water heaters, gas water heaters, solar collectors use the sun's heat radiation, and therefore the heating time only on the day of the sun.

Tank insulation:

And electric water heater tank insulation, storage container of hot water. Because the solar water heater can only work during the day, and people generally only use hot water in the evening, it must be through the tank insulation collector hot water in the daytime output stored. The volume is the sum of the amount of hot water every night with.



Connecting pipes:

Transport hot water from the collector to the tank insulation, cold water from the water tank insulation transported to the collector channel, so that the entire system to form a closed loop. The design is reasonable, connected to the correct cycle pipeline is critical to the solar system can reach a top working condition. The hot water pipes must be insulated handle. The pipeline there must be high quality, guaranteed service life of more than 20 years.

Role in environmental protection

Equivalent to 2.5 kWh of heat per square meter of flat plate solar collectors per normal sunshine day, can produce annual savings of about 200 kg of standard coal, a decrease of more than 700 kilograms of CO2 emissions. The extensive use of solar water heaters, domestic hot water, heating, air conditioning, and save money at the same time will greatly improve the pollution of the Earth.

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