新疆25选7开奖结果近十期:What are the skills of solar water heaters?
新疆25选7历史开奖结果 www.mpawbn.com.cn Solar water heater is also very hot in the market because of energy saving. Many people are willing to choose it when they buy it. What are the solar water heater skills? As long as the sun can collect energy and convert it into heat, it is very convenient to use, but what is solar water heater? Shopping tips?
1. Collector type
After determining the volume of the water tank of the solar water heater, the type of solar collector should be selected. At present, the solar collectors on the domestic market are mainly flat-panel solar collectors and vacuum tube solar collectors, flat-panel solar energy is beautiful and practical, vacuum tube solar energy is relatively economical, users can choose according to the local climate characteristics and the required hot water temperature.
2. Collector tube
The collector tube is divided into a water glass vacuum tube and a water pipe. The heat pipe vacuum tube is divided into single wall heat pipe and double wall heat pipe. The double wall heat pipe has the characteristics of high thermal efficiency, long life, reliable quality and economy. The advantages of single-wall heat pipe are intuitive, metal sealing, its reliability is worse than double-wall heat pipe glass sealing.
3. Tank size
First of all, the number of permanent residents and the amount of hot water per capita should be determined, and then the total amount of hot water in a day should be calculated. According to the actual demand of hot water in the family, the choice can be made according to the important criterion of easy use in winter. Generally speaking, it can be estimated according to the figure of about 50 litres of hot water needed for a person's bath, so that one can be chosen almost. Suitable capacity of water heaters.