Composition of solar energy hot water engineering system

Views: 3     Author: Site Editor     Publish Time: 2021-12-17      Origin: Site


Composition of solar energy hot water engineering system

With the popularization of solar energy hot water engineering system, more and more enterprises and school users begin to use solar energy hot water engineering. They all know that solar energy is an inexhaustible natural energy, which is safe, convenient and pollution-free. With the development of modern industry and transportation industry, excessive exploitation and use of fossil fuels have caused environmental pollution and destroyed the earth's atmosphere. Today, the environment on which human beings depend is increasingly destroyed, and more and more attention is paid to the research and use of clean and sanitary solar energy in China, and solar energy will surely become.

1. Heat collector

In the solar energy hot water engineering system, the heat collector is the key component of the solar energy hot water engineering system, which collects solar auxiliary energy to heat hot water. In the past, the solar collectors of the solar hot water engineering system in the north generally used multiple household solar water heaters in series and parallel. However, according to their different structural forms, we are generally divided into flat plate collectors, vacuum tube collectors, heat pipe vacuum tube collectors and other forms.

2. the bracket

Because the solar angle is different in different places, the solar collector needs to receive sunlight better, and the bracket needs to install the solar collector according to different local latitudes, so it needs to be supported by a bracket. The bracket is basically welded with section steel, but also stainless steel. The support must be firm.

3. Auxiliary heat system

The utilization of solar energy is greatly influenced by the outside world. In order to ensure its all-weather use, when the solar energy can't reach the water temperature, the auxiliary heating method should be adopted. Some of our common auxiliary heating systems include electric heating, air energy heat pump, various boilers, gas heating, coal burning, etc.

4. Heat storage tank

Because solar energy is affected by weather, geography and other factors, the irradiation is unstable, discontinuous, and the instantaneous energy is low, so it is necessary to accumulate energy continuously, so it is required to be equipped with heat preservation and heat storage tanks. Thermal storage tanks generally have stainless steel tanks, steel tanks and even cement tanks according to their different materials, and polyurethane foam materials are generally used as thermal insulation materials. But the important principle can't cause water pollution, and the heat preservation is good.

5. Control system

Hot water engineering must meet the needs of users according to its different use requirements, that is, it needs to design different operation modes to control, such as water temperature, water quantity, pressure, heating mode, etc. The control system generally has manual control and automatic control.

6. System piping

Under the sunshine, the solar energy system in hot water engineering continuously obtains heat and performs heat cycle according to its different operation modes. Therefore, it is necessary to install its pipelines, valves, pressurized circulating pumps, etc. in the system, thus forming the pipeline system in hot water engineering. Whether the pipeline selection, installation and insulation of the system are reasonable or not will directly affect the thermal efficiency of the system.

7. heat preservation

Most of the solar energy in hot water engineering is installed in the open air and exposed to the sun, with a large temperature difference between cold and hot. In order to ensure the normal use of the system and a certain service life, the bare parts such as brackets and pipes must be insulated.

Building groups applying solar water heating system should be put into use together with solar water heating system in unified planning, synchronous design, synchronous construction and buildings at the same time, so as to ensure that all parts of the selected solar water heating system and its auxiliary facilities are organically combined with building planning and layout and building design to become a reasonable and inseparable part in building planning and design.The integration design has at least the following requirements:(1) For the building groups applying solar water heating system, in planning and design, it is especially necessary to combine the geographical conditions of the site, local climate conditions, sunshine conditions and other factors to determine and design the distance between buildings and the combination of building shapes, so as to meet the requirements of solar water heating system to the maximum extent.(2) The selection of solar hot water system should combine the building function and its demand for hot water supply mode, comprehensively consider the environment, climate, solar energy resources and conventional auxiliary energy types, compare the prices of different types of solar hot water systems, conduct economic and technical analysis, and choose the applicable ones as appropriate.(3) In terms of pipeline layout, all the buildings should be reserved with pipeline openings in advance, and the solar energy circulation pipelines and hot and cold water supply pipelines should be reasonably arranged.

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