Views:1 Author:Site Editor Publish Time: 2019-12-05 Origin:Site
Solar energy is a new type of energy that is inexhaustible in the world today, and its use is increasingly widespread. Of course, residential solar water heaters have been widely used. The water of residential solar water heaters can be used for bathing, washing clothes, washing, etc. It reduces the use of other fuels, protects the environment, and reduces the burden of personnel due to the nature of the work.
How does a residential solar water heater work?
Residential solar water heater performance
Residential solar water heaters are heating devices. Convert solar energy into heat and heat water from low temperature to high temperature to meet the hot water use in people's lives and production. It is divided into vacuum tube solar water heaters and flat panel solar water heaters according to the structure. Mainly based on vacuum tube solar water heaters, accounting for 95% of the domestic market share. The vacuum tube solar water heater is composed of a heat collecting tube, a water storage tank and a bracket. The conversion of solar energy into heat mainly depends on the vacuum collector tube. And the vacuum collector tube uses the principle that the hot water floats in the cold water to make the water produce microcirculation. Hot water is needed.
The heat absorption process of flat-panel solar water heaters is relatively simple. The solar radiation passes through the glass cover and the heat is absorbed by the collector and transferred along the ribs and walls to the water in the heat absorbing tube.
The collector plate of the vacuum tube solar water heater is composed of a plurality of vacuum heat collecting tubes. Just like many elongated hot water bottles are arranged side by side. The inner and outer layers of the vacuum tube are vacuum tubes, and the outer surface of the inner tube is coated with a special material, which can effectively absorb solar radiation energy, convert it into heat energy, and introduce it into the water inside the tube. By utilizing the principle that the ratio of cold water to hot water is small, the natural convection cycle between the heat absorbing tube and the heat insulating water tank forms a rise in cold water and hot water, and the water in the water tank gradually becomes hot.
By storing hot water in a insulated water tank, you can ensure that people use hot water at any time. Hot water or cold water is delivered through the connecting pipe as needed to form a closed loop. Through the control system display and water temperature, the automatic control of the water level can also prevent the vacuum tube from bursting after high temperature air drying and sudden injection of cold water. The mainframe support supports the collector plate and the insulated water tank, and is also used to adjust the angle between the collector plate and the ground plane to form an optimal tilt angle, so that the solar water heater collector plate can obtain the maximum solar energy.
Residential solar water heaters are characterized by no noise, no pollution, no poisoning, reliable installation, low carbon and environmental protection. Because of its high self-technical treatment process, good heat transfer performance and large hot water output, it is suitable for the needs of many families. In the cold winter, solar water heaters have strong antifreeze capabilities. In the summer, large-scale installation of solar energy can also isolate the floor. In sunny weather, you can take a hot bath without any fuel. If you have a cold, you can wash and wash your dishes in the winter so that you won't be drowned by cold water.
They are generally used in buildings, and some tourist places can also be used in large areas. Because of its good coordination and no pollution, it is a good long-term use equipment, low-carbon and environmentally friendly, and worth promoting.
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