Too much dust affects the vacuum tube's absorption of heat energy

Clever use of refrigerator solar water heaters use and maintenance of solar water heaters to save energy, non-polluting, safe and convenient to use and widely welcomed by people. However, due to the decrease in thermal efficiency caused by improper use and maintenance, and the prolonged heating time, it is sometimes even impossible to guarantee that the use is more common. Therefore, to remind users of solar water heater users, correct use and maintenance are important measures to ensure its work efficiency. The use of solar water heaters, one should pay attention to the use of water immediately after use in summer to prevent the water tank is not water, after the evening water in winter, to add water the next morning is good; second is to fill the water and promptly close the valve to prevent the loss of water; The third is to strictly switch after using water and adding water.

Solar water heater maintenance is relatively simple. First, when the leakage of the switch is found, it must be promptly repaired or replaced. Second, the dust on the vacuum tube and the reflective plate should be inspected and wiped regularly to prevent the heat efficiency from being reduced due to excessive dust. The main reason for the decrease in the thermal efficiency of many solar water heaters is that too much dust affects the vacuum tube's absorption of heat energy. As long as the dust is removed, the water heater will restore its original performance. (Liu Changle) When installing the valve seat, the valve seat can be placed in the quick-freezing chamber (or ice reject) of the refrigerator, and frozen at the lowest temperature for 20 minutes, allowing the valve seat to be installed easily. The method of heating the piston is usually used to install the piston tip. In fact, the method of using a quick-freezing piston tip (ibid.) is more simple and convenient than the heating method. The district’s per capita income is 30% higher. According to statistics, there are nearly 10 households with annual net income of more than 50,000 yuan in agricultural operations in the region, which has become a new economic growth point in rural areas. We will improve and improve the socialized service system for agricultural machinery, increase our strength, and promote the adjustment of rural industrial structure. The majority of township agricultural stations in Shizhong District, Zaozhuang City, take the path of self-development and self-enhancement, and their economic strength has been significantly enhanced, and their service capabilities have been significantly improved.

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