Popularity of flat panel vacuum tube solar water heater can be complementary development is coming
[REVIEW] due to the mandatory installation of solar water heaters and solar subsidies are included in the list of home appliances and other favorable policies to stimulate China s solar water heater industry is beginning to show blowout momentum.
Thanks to solar energy and solar water heaters mandatory installation of home appliances to be included in the list of subsidies and other favorable policies to stimulate China s solar water heater industry is beginning to show blowout momentum. According to statistics, in 2009, China s solar water heater production has reached 42 million square meters, the growth rate of 35.4%; solar water heater annual output value reached 57.85 billion yuan, an increase of 34.5%. However, in this industry in the Sturm und Drang, but there are two major but very different technical development route, ie water heater vacuum tube and flat-type water heater. Take a different line of production technology of their respected companies and their products advantages of this route, people are squandering For beautiful eyes feeling. What two technologies is better route?
The unique "Solar China phenomenon"
According to the latest authoritative statistics, statistics in foreign countries was 433 in 21 countries in the solar water heater manufacturers, flat panel solar water heaters account for 92.61%; vacuum tube solar water heaters accounted for only 2.77%. Market share data from the point of view, accounting for 94.88% of flat solar water heater, vacuum tube solar water heaters accounted for 2.46%.
In domestic markets, and foreign stark contrast to the vacuum tube solar water heater has accounted for more than 90% market share, even many brands of solar water heaters also manufacturers the main vacuum products. On a global scale to vacuum-type based only our country, this unique phenomenon is international peers as "water heater China phenomenon."
The reason given in the relevant industry experts to answer. "The main reason for this phenomenon is the development of solar water heaters in China is to start from the vacuum tube collectors." According to the National Housing and living environment Engineering Research Center Solar Building Technology Research Institute has been the chief architect Yan introduced the 1980 years, Tsinghua University, technological innovation, making the vacuum tube technology as a breakthrough solar energy industry, a number of follow-up business-to-tube research and development production, but also to gradually build a mature China vacuum tube solar energy industry chain.
Thermal power Nuojia Yoshimitsu Vice President Technology Development Co., said Zhang Zhao water, with independent intellectual property rights, cheap product advantages and features, making the solar vacuum tubes to meet the early development of China s urban consumer demand, but also it has long occupied the Jedi Most of the domestic market share.
It is understood that the last century, 80-90 years, China s first use of the natural circulation type solar water heater plate temperature requirements above 0 ?, can be compared to vacuum-type work at about minus 10 ?. Although the performance, the flat type has many advantages, but this can not be fatal to enter the country. This success of the vacuum tube-type water heaters for many years dominated the domestic market situation.
"There are a consumer perception problem." Yan has said that due to ordinary people long accustomed to the use of vacuum tube-type water heaters, from the intuition that the tube is more like on the water heater, which also contributed to the formation of the stereotype of the "solar water heater China phenomenon "of the formation and persistence.
The sudden emergence of flat-plate
However, as more and more multi-storey and high-rise buildings, the building roof area is not enough, should adopt the balcony-type or wall-type solar water heater. As the tube is fragile, easily aging sealing gasket leaking, the balcony or wall installation larger security risks, while the flat panel solar water heater with safe, reliable, and the advantages of building with a higher degree of the water heater into the "safe" era. According to the China Rural Energy Industry Association Professional Committee Luo Zhentao utilization of solar energy has revealed that nearly two years, China s flat panel solar water heater will be the development of annual growth rate of 46%. This growth rate far faster than the growth rate of the solar water heater industry.