Scale hazards and cleaning skills of solar water heaters!
Solar water heaters are working every day, with hot water at around 95 degrees. So, just like the kettle we use everyday, there will be a lot of fouling in the tank of the water heater after a period of time. These scales will not only affect the normal work of solar water heaters, but also endanger people's health.
A new type of aluminum tube collector solar and air can "eat".
At the end of August, Wei Yili, a professor of Inner Mongolia University of Science and Technology, invented an aluminum tube collector to absorb solar energy and air heat pump heating system, which was installed in a residential house in Heping Village, Baotou City. The efficiency of the collector is up to 90%.
Air heater: how much is healthy water quality?
Generally speaking, the water quality in the south of the Yangtze River is better than that in the north of the Yangtze River, the coastal area is better than the Inland area, and the inland water is better than the groundwater. The acidity, alkalinity and hardness of water sources in many areas are very large. Direct use not only does great harm to human health,