What is the heating principle of solar water heater?
What is the working principle of vacuum collector solar water heater?By manual or automatic water supply system for thermal insulation water tank, heat preservation water tank is communicated with the air through the exhaust port, the water outside the exhaust through the exhaust port, when the water is discharged through the exhaust port of the air pressure inside the tank inlet inward, always with the external balance, full of water through the water tank overflow signal off inlet valve. The solar vacuum tube, absorbing coating to absorb solar energy and water in the tube of the heat exchange tube inner wall selective tube, the water temperature rises, the density decreased, and the water in the water tank has the density difference of formation heat siphon head, the water in the water tank in automatic cycle pressure without the aid of it to realize the heating process.
The utility model is characterized in that the vacuum heat collecting tube absorbs sunlight to convert the water in the heat energy heating pipe into the water. The water tank can be kept warm and can be used for hot water for several hours. Due to the overall thermal insulation, coupled with auxiliary heating, such water heaters four seasons. The solar water heater because of long-time exposed material, on the tank and the bracket presents severe test, corrosion resistance, heat resistance, cold resistance to rust, so it is some material of stainless steel, some Aluminum Alloy. Due to the difference between the South and the north of the sun, to absorb more sunlight for the design principles, the design of the stent and the ground is not the same.
Solar water heater is to absorb the radiation heat of the sun, heating cold water to provide people in life, production of energy-saving equipment. It is the most mature and the most advanced products in solar thermal utilization in china. For the people to provide environmental protection, safety, energy saving, health of the new water heater products. The most common solar water heater has three kinds: the stuffy sun type solar water heater, the plate type solar water heater and the vacuum tube solar water heater. The heat collector and the water tank of the solar water heater are combined into one body. Simple structure, low price. However, poor insulation, can not be used overnight, winter can not be used. The flat plate solar water heater is composed of a flat plate solar collector, a water storage tank, a circulating pipe and a bracket. The utility model relates to a heat absorbing body which is made of a copper aluminum composite tube plate, a whole copper tube plate and a stainless steel stamping and welding. In addition to the northern region can not be used in winter, other seasons can be used. The utility model relates to a vacuum tube solar water heater which is composed of a vacuum heat collecting pipe, a water tank, a bracket, a pipe fitting and a control device.
