Solar water heater water tank structure

Introduction Structure of solar water heater water tank The structure diagram of solar water heater water tank is shown in the figure: A solar water heater water storage tank generally consists of a liner water tank, insulation layer, outer shell, outer end cover, upp

Solar water heater water tank structure

The structure diagram of the water tank of the solar water heater is as shown in the figure:

The water storage tank of the solar water heater consists of usually a water tank liner, an insulation layer and an outer shell. , outer end cover, upper and lower spouts and exhaust holes, overflow hole, sewage outlet and electric heating hole.

Detailed information

Working principle of solar water heater

1. Heat absorption process

Vacuum tube solar water heater: Solar radiation passes through the outer tube of the vacuum tube, then is absorbed by the heat collecting coating and then transferred to the water in the tube along the inner tube wall. At this time the water is heated and. the temperature gradually increases and the density decreases and increases, forming an upward driving force. As the water chaude continues to rise and be stored in the upper part of the water storage tank, at the same time, the lower temperature water is continuously replenished from the other side of the pipe and so on, the whole tank is completed. the water rises to a certain temperature.

Flat plate solar water heater: The fluid circulates naturally in the heat collecting plate through the thermal siphon, then transmits the heat from solar radiation to the water tank in time. The fluid can also transfer heat. pump circulation, so that there is continuous flow, people can keep the water temperature stable.

2. Circulation piping

For direct plug-in evacuated tube solar water heaters, the hot water is fed by gravity, however, the flat plate type is fed by hot water pressure . tap water. However, both heating systemssolar power plant uses pump circulation. Due to the small heat collection area of ​​solar water heaters, pipe circulation is generally not used due to heat loss.

Can holes be drilled in the insulation barrel of the solar water heater for drainage?

It is recommended not to install it flippantly. Many solar systems do not have electric heating. Some users want to add it themselves when they need it. In fact, this is not safe.

Since the electric heater is a high-voltage part, it must be installed by professionals with professional equipment and must pass strict instrument testing and certification. If installed occasionally on site, it can easily cause leaks and leaks. bodily accidents.

Second, the hole on the side of the panelSolar water is generally used for drainage. If the user installs a heating rod or other items by themselves, the drain hole will not drain smoothly, which may cause water to flow out. the tank collapses when draining the water. When the temperature in the water tank is high and there is steam, the steam cannot be discharged and accumulates in the water tank, which may cause the water tank to explode. water.

No need. Solar water heaters with vents cause air blockage, preventing the water tank from bursting and pumping out the water. The vent hole of the solar water heater is for maintaining water or water pressure in the water tank to avoid pressure in the water tank. Water tank damage changes If there is no exhaust tank, the air pressure will decrease, resulting in poor water quality, and it is easy to defoClose the sleeve when the water tank is not drained, the pressure will increase and when the water tank is damaged. the pressure is too high, the welds of the water tank will burst, causing water leakage and damaging the water tank. Solar water heaters convert solar energy into thermal energy devices and heat water from low temperature to high temperature to meet people's hot water needs in daily life. The structural forms of solar water heaters are evacuated tube solar water heaters and flat plate solar water heaters.It is an evacuated tube solar water heater. Household vacuum tube solar water heaters are composed of heat collecting tubes, water storage tanks, brackets and other related parts. The conversion of solar energy into thermal energy mainly relies on vacuum tubes using the principle of sinking and flrelief from the cold. water to circulate the hot water necessary for water circulation.

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