Guangdong: enjoy solar energy can not "go it alone" – solar water heat
Guangzhou Solar Energy In fact, less than 2% penetration rate of large-scale promotion of solar energy is no longer the key is to have the bottleneck
Organization To the implementation "Guangdong is very ample sunshine, but solar energy is far less than the northern city. The future development of Guangdong should vigorously solar and other renewable energy sources and new energy." Recently, the Guangdong Provincial Construction conference on saving society , Governor Huang Huahua issue such a call.
The reporter interview a few days ago also found that once flourished in Guangzhou short period of time "
Solar water heaters "Has died down in recent years. While many
Expert That the technology-driven objective conditions have been fully in place, but because the public's misunderstanding and ineffective way to promote a variety of reasons such as, solar energy in the Guangzhou area of development has lagged in many northern cities.
Is gratifying that the Guangzhou authorities have begun to pay attention to the issue, to residential units, a large-scale promotion of solar energy in the "1 million solar roofs program" also has shown a prototype, if the smooth implementation of the plan, Guangzhou will create a new situation in solar energy utilization.
Embarrassment Plot against security solar water heater
Gas prices, electricity continued tight, tight energy demand so that more and more people began paying attention to renewable energy??? Solar. Guangzhou is located in subtropical regions, year round sunshine, long sunshine hours, annual sunshine hours than 2200 hours, but may keep such a "great treasure" of Guangzhou, the current penetration rate of solar energy (mainly solar water heater) is still less than 2% .
Solar water heater "unsightly"?
Reporter found several days of interviews, not a scale of "go it alone" type of development strategy for the large-scale promotion of solar energy in Guangzhou, a major obstacle.
Who lives in a high-end residential district, Tianhe, Mr. Huang told reporters that he is a property company with a "bitter" after the struggle, until finally "green" for a while and installed solar water heaters. "As long as the experience of listening to me, certainly not anyone to touch 'green' the mind of them." So, Mr. Huang in the last year bought a solar water heater, water heater must be installed on the receiver board top floor roof, did not expect This has been a property management company, "obstructions," they think that Mr Wong's water heater destroyed the entire building of the "beauty and quality." Although Huang's insistence, water heater or to the placement, but on the plot of "independence a" Mr. Huang felt like doing the same quiet conscience.
Existing homes is not appropriate to install "solar"
Reporter also found that, in fact, many communities in Guangzhou is prohibited to install solar water heaters, and some although not forbidden, but requires users to install solar water heaters have to go to the property company record.
A property manager told reporters that most of the residential communities in the design and construction are not taken into account when the owners to install solar water heaters in the roof of the question, so if a large-scale installation, it will pose many problems.
First, the upper and lower solar water heater
Pipeline Need to pull down from the roof, if a building with a few households to install, then the whole building the appearance of a whole district was entirely destroyed;
Secondly, the installation of solar water heaters Receiver, you must use a special screw hole in the roof level, easy to destroy the waterproof layer, leading to leakage;
Again, put the roof over the solar panels, floor loading capacity also increases the number of bodies, buried potential safety problems, and hanging in the floor when the wind is strong pipeline in vitro pendulum to swing to also affect safety.
Equipment Two sets of power generation equipment to ensure cloudy bath
Expert in solar energy research interviews to reporters, said that in the past, many people dare not use solar energy in Guangzhou, mainly because of fear of a cloudy day when the water supply is not on. "Guangzhou people like to shower every day, so if water supply is not the problem would be a great time." Now this early is not a problem.
Sun Yat-sen Institute for Solar Energy Systems, Dr. Shen-hui told reporters that the current solar water heaters usually have a conversion between the two sets of power equipment functions, once the lack of sunlight can switch to normal power supply mode, "no matter how the weather poor, no hot water bath will not appear the case. "
That is, the promotion of solar energy has no problem technically, but how reasonable and effective way for large-scale solar energy into the "ordinary family" is the key. Some experts said that in Guangzhou for many years to go "go it alone" type of development model has been proved not a smart way, large-scale promotion of solar energy is also impeded the biggest "stumbling block." "Establishment of a social support system, in
Planning , Design, construction of the building which also will integrate solar energy technology, consolidating development, focused on the supply is most cost-effective. "
Idea 1 million solar roofs settled Jinshazhou
Reporter noted, "scale" the idea of using solar energy technology for the growing number of departments have been recognized, while Guangzhou has begun in full swing to promote this work.
10,000 residents build a "solar" power plant
Dr. Hui Shen told reporters that they had submitted to the authorities in February this year a report entitled "1 million solar roofs" project proposal in the hope of starting from planning, to Guangzhou, 10,000 roof designs " household solar power system ", which not only provides solar" burning "hot water, and can be used to generate electricity. Because from the beginning of construction of buildings into the idea of solar energy, before facing the promotion of technology and the appearance of problems will cease to exist.
The sources, they hope to start next year and in 2010 completed the "1 million solar roofs" the massive project. The Guangzhou's first large-scale solar roofs groups may appear in the northwest of Guangzhou, Foshan metropolitan area in the center of Jinshazhou district. In accordance with the vision of experts, 10,000 residents live
Building Will become a "solar energy conversion factory", roofs,
Doors and windows And the wall can achieve solar thermal, photovoltaic conversion, directly provide the energy needed for the construction.
Community Nursery Hospital Also use solar energy
Then district of all schools, kindergartens, hospitals, parks and roads
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