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Urban part of the family solar water heater the water is difficult
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Urban part of the family solar water heater the water is difficult
Recently, many people reflected in the water, suddenly at home is not normal, and often appear small water situation. "Water peak have not come this way, and if the day and then heat a little, how to ensure that our normal water it?" Some people said. This situation, the reporter learned from the City Water Company, now part of the public water is not normally the case, because some areas are detection and maintenance of water supply pipe network, to be completed, the public water is expected to return to normal.
"I recently discovered that the release of water every morning, much smaller than previously, while in the afternoon or evening, will return to normal, it is Editor s Note it? Sometimes, solar water heaters in the morning and want to turn on the water are difficult." Lived urban area on the sixth floor of a public Mr. Lu told reporters. Similarly, residents of Mr. Chen also encountered the same problem, the home is no water or tap water, or water is pitifully small. One night in particular was taking a bath, wash water, the more the more hot, the original cold water flow is too small, but full of solar water heaters in hot water. Similarly, who lives in the urban area on the sixth floor of a r. East, a resident also reflects that the most recent water flow is small, the family washing machine to use at night. "R. road from the water so close, how there will be no water situation?" The resident said.
Recently, reporter learned from the municipal water company, most recently, urban water supply network is part of the inspection and maintenance, resulting in some urban areas of low water pressure. This is also a lot of people do not normally cause water to be detected after the repair is completed, the water will return to normal.
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Solar water heaters can be turned to the big business claims the wind
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Solar water heaters can be turned to the big business claims the wind
A solar energy user consultation: Some time ago, the wind is strong here, even to my on the roof blown up. I saw the original installers did not play the expansion screw, no fixed bracket. Will, in which case I can ask for compensation to the business?
The friends called Shi root, 35-year-old, who Hengxi Lanxi.
Shi, who lives in the root is 4-storey self-help housing, solar water heater is 6 years ago in a town called \"solar water heater Chinese music\" store bought by the shop responsible for the installation.
At around four in the morning late last month, applied square root in his sleep was \"bang\" awoke. He read from the second floor windows downstairs, suddenly dumbfounded: \"installed in the 4th floor roof of the big wind solar water heater is now being turned over, along with storage bucket with stand fall to the ground, but fortunately there was no passers-through.\"
Shi Fang Genli that ran down the stairs to see the top ten bracket of solar water heater tubes broken, debris scattered on the ground, and water heater storage tank is horizontal in the iron fence at the top, there are few fences \"arrow\" Chuojin tank.
\"The roof of a lot of people install solar water heaters, water heaters, other people\\ s experiences strong winds are motionless, except for solar water heater out of my house down.\" Shi closer look a bit square-root of their own solar water heater stand fall, found that stent expansion screw base not installed .
On the day, applied to the town to find the root on the original place of purchase, for damages. To the other side said: \"This water heater have bought so many years, has ?????, they are not responsible for compensation.\"
May 4, the reporter contacted the store. According to Kim surname boss to explain, this is great for wind and solar water heaters turned, they could do nothing because this is the natural causes of force majeure, not a quality problem. Quality problems caused as a result, they will be responsible to give repair.
Gold boss said, had been applied not to the root installation of home solar water heater expansion bracket screws, is worried about his family platform will play a leaking expansion screws.
Installation not in place to compensate businesses
Recently, the reporter from the Jinhua City Industrial and Commercial Bureau of Consumer Protection Branch learned that this year, the business sector has received a number of solar water heater has been damaged since the complaint. In this regard, Jinhua City of Industry, Consumer Protection Bureau deputy director Chen Zhihui said that in these complaints, consumers are generally considered to be due to improper installation of the installer; factory, said this is due to force majeure, do not want to responsible . Each side, sounds reasonable, but because of evidence found there is a certain degree of difficulty and responsibility, on the business sector is a little helpless in the mediation.
Currently widespread in the solar water heater industry, \"re-sale, light installation\" phenomenon. Some companies do not establish a professional installation team, installation staff did not go through rigorous training, and even some grocery stores in rural areas are also starting a brand-name agency sales and installation of solar water heater business, professional installation can not be guaranteed. Chen Zhihui suggested that consumers try to choose some brand water heater, and shopping malls to buy a good reputation, so whether it is the quality of goods or the sale installation and service, will have some protection.
Zhejiang Zhen Li Hinata into the law firm believes that this situation need to be clear is due to force majeure or due to improper installation. If it is installed properly, because the installation of solar water heater is a part of the sales process, so the dealer can not shirk this responsibility; if the force majeure, dealers do not need to take responsibility. Square root of the situation from facilities, since businesses that Bracket screws are worried about inflation is not installed platform leaks, then pouring concrete barrier should take other measures to reinforce the stent, so businesses should bear some responsibility.
The amount of compensation is difficult to determine the need identified by the relevant agencies, businesses and consumers proposed consultation.
Solar water heaters there is no wind resistance testing standards
It is understood that there is no wind resistance, solar water heaters, testing standards, but also on the solar bracket not mandatory standards.
Jinhua Quality and Technical Supervision Inspection Institute commodities Wang Jinghong, deputy director of testing, currently applicable to the solar water heater criteria are the national standard GB50364-2005 \"civil technical specifications\" and Zhejiang local standards DB33/1034-2007 \"residential building design, installation and acceptance\", and in the use of the product safety, such as stents and other fixed materials, construction materials and installation tightness, wind resistance rating, corrosion resistance, but there is no clear regulatory requirements .
Wang Jinghong said, for the solar water heater, the need to go through in order to put into use after installation, the installation will directly affect the quality and safety of use of the product, which bracket the quality of products and corrosion resistance of wind level is a key factor affecting safety. \"Solar water heaters work outdoors year round, if not to provide for its corrosion resistance, a number of small factories in the production of water heaters use two or three years, stand severe corrosion may occur even collapse, if the installation of materials selection, poor technology, however, its anti-aging, anti-distortion and wind resistance will be poor, this will give the use of solar water heaters leave serious security risk. \"
Wang Jinghong to remind the public in the purchase of solar water heaters, installation material such as a stent must pay attention to the material, process, generous degree of quality status.
Solar water heaters also vulnerable to lightning
Nowadays, Jinhua City, has entered the lightning-prone season. Jinhua, deputy director of Bureau of Meteorology mine introduced over the forest, water heater installed on the roof of the lightning risk outstanding.
\"Right now in the city, the old district of bulk solar water heaters in the roof of the residents of greater risk, vulnerability to natural disasters, there are security risks.\" I said, the forest, because the old installation of residential solar water heater by location, roof shape, etc. restrictions, it is difficult fixed, that is, pouring cement on the stand, it is difficult to resist strong winds. Many new district, from the solar water heater installed, fixed, pipeline laying, as the whole building is a residential component to the arrangement, from technology to avoid potential problems from arising.
It is understood that generally most of the manufacturers of solar water heater is not mine-protected, coupled with many self-help housing in rural areas there is no lightning protection facilities. In this regard, I remind the forest, near the water heater installed in a public lightning rod to prevent the water heater will be triggered lightning during a thunderstorm. Install a lightning rod, the water heater should be metal shell and the roof lightning protection device connected to divert part of the lightning current through the device. In addition, during a lightning storm, it is best not to use water heaters, and do not touch taps and water pipes, lightning is likely to enter the room through the heater pipes.
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Tagged solar air conditioning, solar garden light, water heater solar
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6th Floor Qingda solar water heaters fall hit their own side
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6th Floor, Qingdao, fall hit their own side
Recently, Qingdao Development Zone in Shandong Province, No. 517 Huangpu Road, in front of a factory aluminum windows and doors, the wind will be installed in the roof scraped s, water heaters from the empty sky, the first hit in the head cushion the door a bit, and then pack up and hit the doors and windows are squatting factory boss waist. Coincidentally, the falling floor heater is installed in their own boss. At present, the accident is under further investigation.
Solar water heaters fall Floor
\"In the western part of Zone Huangpu River Road, there is a solar water heater suddenly dropped from 6 upstairs, downstairs just hit a middle-aged woman of her work.\" Yesterday afternoon, Ms. Lee argued that the public, then, 120 health care workers who were injured by this woman to the hospital for treatment.
Reporters heard the news rushed to the scene saw the first ad in a door factory doors and windows have been damaged, the holder of a solar water heater with the door down, a broken water glass, the windows and doors factory at the top, two from Plastic pipes are still hanging roof in high winds shaking.
Smashed the downstairs boss
\"I work in this factory doors and windows for two years, the boss and the boss are very good to me.\" Clean up the scene is Mr. Ding told reporters, smashed in the processing plants is their boss Ms Xu, 51-year-old. \"We were working in the basement, workers have come to see the door when suddenly surrounded by a group of people, then find the boss down to the ground, his forehead swollen and as big as eggs, solar water heater pressure on her.\" Ting said the workers to move away quickly to water heaters, propped the boss, then boss and 120, respectively, to call the emergency center.
\"At that time, the boss is out of work, we did not dare to tell the boss that the boss injured by a water heater, solar water heater that was only scraped off the wind.\" Ting said, listen, and with the workers, said the boss, the boss in the back in time the way his mouth has been muttering, \"Do not Zazhuo people.\"
Loss of consciousness was knocked unconscious on the spot
Reporters in the zone to see the First People\\ s Hospital emergency room, the wife Ms. Xu stretcher bed, kept moaning. She pushed her husband and son around the film tests. \"I hit in the waist, and now in pain, not moving.\" Ms. Xu face very painful, very difficult to speak, her forehead there is a lump the size of eggs. \"The wind is too big, I did not hear, there suddenly felt something fall, too late to respond, it was Zadao the ground, his head hit the ground heavily, passed out at the time.\" Ms. Xu said , to the hospital, she was slowly with perception.
Reporters from the First People\\ s Hospital emergency room Zone has learned that after CT examination, Ms. Xu\\ s waist is only soft tissue injury, and not a beating. The head of the swelling is caused because the forehead hit the ground, although the need for further observation, but not life-threatening.
\"Monster\" hit only minor injuries
\"Solar water heaters just to hear his wife was hit on the news, I was shaking the whole person, the car had not even opened, can not imagine what the consequences will be from now on check the results, his wife is still very lucky.\" Zhang said the boss, solar water heaters in the door head first to get hit buffer, the buffer if it does not look so heavy a direct hit on the body of things is difficult to say what will happen. Second, the wife was fortunate that the squat work, if by chance standing, direct hit on the head, could not escape unharmed.
\"Two days ago we also filled with water bath, living too much recently because we are too busy, no to the solar water heater in the water, and no water was estimated weight 150 pounds, and then filled with water is even more dangerous if the the. \"Ting said, good luck the boss.
Trouble is its own water heater
When a reporter asked when the accident is someone\\ s water heater, Mr. Chang said shyly: \"is the household of their own water heater.\" Reporters learned that Zhang and his wife at No. 517 Huangpu Road, opened a factory aluminum windows and doors Since this is a commercial and residential building, only one in the roof they installed solar water heaters.
\"Water child has been received from the fifth floor of the attic roof downstairs, quite easy to use.\" Ting said, they usually have a bath with the water heater. \"Something happened, we are working downstairs, no one else walking around on the boss ready to pack up shop, squatting there.\"
Fixed rope was \"plot\"
How good water heater will be fixed wind scraped off upstairs, we have all puzzled. \"Solar water heaters just bought two years, when I installed upstairs watching the workers personally confused, by the rope fixed to the security buckle, even when the wind is bigger, can not hang up this rope.\" Ms. Xu\\ s son told reporters after the incident, he was upstairs checking found that the roof had just been painted, and generally thick rope, and even chopsticks broken. \"I suspect that someone will cut the rope, or to let go of the security buckle, which led to safety in the upstairs of the solar water heater for wind to blow down.\" Ms. Xu\\ s son, said some time ago, someone upstairs paint, do not know because too hinder the construction, cut the rope.
Reporters on the scene, along with solar water heaters as well drop the rope, holding the rope closer look at Mr. Ding also said that not a long time due to corrosion cracking, but is to shoot straight cut. \"No matter who did it, and we should say hello, so that we can go back fixed, it will not break so much trouble.\" Ting said.
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Solar water heater industry needs a clear strategy model
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industry needs a clear strategy model
Fluctuations in the global economic situation brought about price changes in energy consumption does not appear on the domestic solar thermal market effects of a positive boost. In consumer prices rising global energy context, the application of clean energy products should enter the market fast development track. However, contrary to expectations, market is caught in an embarrassing low growth, the biggest missed opportunities for industrial development.
Climate conference in Copenhagen and Cancun, the development of green low-carbon economy has become the consensus of the global industry, which for the solar thermal industry provides a tremendous and unprecedented opportunity. Is more favorable, with some industries do not have the core technologies, China\\ s solar thermal industry in its own technical content of 90% or more in size, maturity and market aspects, such as the core technology is a world leader. However, China\\ s solar water heater industry is caught in a stagnant industry embarrassment. Data show that although the solar water heater market in 2010 maintained a growth rate of 15.8%, but in 2009 more than 40% of the growth rate far. More seriously, electric water heaters and gas water heater has achieved during this rapid growth.
Objectively, the international crude oil, natural gas and other energy prices, the solar water heater industry provides an unprecedented opportunity for the industry, especially in the global financial crisis continued to spread the deep impact of the context, the consumer cost of living ranking high and the use of clean energy, should be more user resources, however, is on the contrary, fluctuations in the global economic environment, market opportunities, solar water heater business by their own defeat. But with the same face of market opportunities for rapid development of the soybean milk industry, solar water heater companies need an in-depth reflection.
The author believes that the current solar water heater market, resulting in weak growth in the most fundamental reason is not industrial policy or the lack of industry standards, but the entire industry, lack of an effective strategic innovation and demand innovation. Although after 10 years of development, but the domestic solar water heater market has remained in the original \"workshop\" of the initial stage of industrial development, not find a way to rapidly enlarge the strategic path to market dominance, is still in a metal and other raw materials prices extensive around the low-level stage of development.
For domestic enterprises, such as China, Yang actively develop the overseas market as may be a sensible approach, which not only effectively open channels in overseas markets, but also demonstrated the application of Chinese enterprises in the field of solar power.
In essence, the development of enterprises and industrial users is simply to create more resources, which depends on the comprehensive needs of innovation, that is, to create more customer value. From this, there is no innovation more consumer benefits resulting value is the best opportunity for development of solar water heater missed an important reason. Solar water heater industry to achieve rapid development of the first to explore a clear strategic model. Which requires companies to emerge from the current low level of price competition, the real focus of the business into consumer demand for innovation, consumer welfare by zooming in on the creation of user resources.
Specifically, the solar water heater companies in the current relatively complete industrial system support, under the direction of consumer demand to achieve an accurate transformation of product development and production through differentiated products to meet user needs and create an endless stream of user resources, the only way can really provide maximum consumer benefits, to achieve rapid market development.
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Tagged pressurized solar water heater, solar air conditioning, solar water heater china
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Market prospects for the future of solar water heater
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Market prospects for the future of
May 12, 100 million smart payment solar water heater products listed brand to join the conference and will be held in Wuhan International Convention and Exhibition Center, was also on display a variety of integrated application of low-carbon energy solutions for cities, as well as clean energy family technology solutions.
It is reported that energy consumption in the global context of rising prices, as the application of clean energy, solar thermal industry ushered in unprecedented opportunities. Early this year, China\\ s solar brand product exposition, a number of well-known brands have launched their new energy-saving environmental protection, for this year\\ s market is also very good.
Solar Energy Co., Ltd. Shandong, Hubei, one hundred million to general manager of marketing Huangxing Ling introduced, 100 million smart payment products using solar water heater, luxury car class Fu Lite technology, the use of vacuum ultra-low emission technology by the UTLE built in ultra-cold tubes, high- collector, which consists of the world\\ s first automated assembly line production of vacuum tubes, and each intelligent gold products are water heater off after a 1326 inspection.
It is reported that, 100 million solar energy detection technology center, has 18 large specialized laboratories, from raw material purchase to production test, from Hardware to environmental adaptation, known on the market all detected hidden point.
Industry experts said that as solar companies, only with constant technology upgrades, the introduction of differentiated products to meet user needs, such as Emperor Ming, Pete, Qinghua Sun, 100 million other brands have done well, the only way to better adapt to consumer demand, and thus occupy a larger market share.
In the exhibition site, 100 million smart payment products an appearance on a wide consumer audience favorable, many people new book scene.
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Solar water heater industry giants want to shuffle into the city
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industry giants want to shuffle into the city
Has been called \"sunrise industry,\" said the solar water heater industry, after a blowout in 2009, 2010, high callback, this year entered a period of accelerated shuffle. Many well-known companies in the industry have started to adjust strategy, to look from the lower margin of the rural market to urban, in response to the collapse of the brutal wave.
Has been called \"sunrise industry,\" said the solar water heater industry, after a blowout in 2009, 2010, high callback, this year entered a period of accelerated shuffle. Many well-known companies in the industry have started to adjust strategy, to look from the lower margin of the rural market to urban, in response to the collapse of the brutal wave.
\"Has long been expected to reshuffle the solar water heater industry will now have news that a month has dozens of in closed, and the data are slightly conservative.\" Rain in Jiangsu Solar Co., Ltd. Sun, director of marketing, told reporters Song Yongquan : \"The whole industry, competition is the transition to large-scale, such as a county-level market, was also active in hundreds of brands, this year we found that the normal operation of less than ten brands of solar water heaters, up to 90% attrition rate.\"
Song Yongquan views have been on profit Solar Co., Ltd. Jiangsu, Wang Hui Yu\\ s support, he told reporters that the end of 2009, the National Register of solar water heater more than 7,500 manufacturers, and by the end of June 2010, the Chinese Solar Energy Society has held a meeting, was left with 6000 statistics, more than six months, reducing the 1000 to the first half of this year, more than 6,000 is shrinking into 4000. Industry viewpoint, the next five years, China\\ s will be even dropped from the current 4,000 to 300.
Songyong Quan told reporters that the root cause of a sharp decline in the market, the solar water heater industry for many years disorderly growing like crazy. Since the implementation of China\\ s solar water heater industry, there is no production license system, and need not go through 3C compulsory certification, anyone can easily enter the industry, plus a few million of equipment five people, will be able to put forward a factory. Relevant information, more than 6,000 domestic enterprises, with independent R & D capabilities and real-scale production of the business less than 20.
Industry competition, declining sales company Forced to find another way. Previously, the main battlefield of solar water heaters in rural areas and towns, counties and cities to take factory-level models of individual agents are more urban and overseas markets has been supporting roles. \"China\\ s solar water heater industry are taking exactly the opposite way and appliance industry.\" Wang Hui Yu told reporters, home appliances are fully mature in the city to the countryside, it is in product quality and after-sales service have been market tested; and solar water heaters are Firstly toward the rural, poor quality, no after-sales management and other issues often arise, to the industry caused a bad influence.
Right now, the giants have announced a number of solar water heater to enter the urban market, and have to pay close attention to technological innovation and industrial upgrading. Japanese Leader recently developed a special plate solar water heater, water heater combined with this international trend, the integration with the perfect combination of city building, the introduction of the market response was very good. Song Yongquan also said that at present the sun the rain developed a vacuum tube into the pressure system than the previous glass tube into the pressure system more secure, more energy-saving, ideal for urban high-rise buildings.
\"In fact, the profits of the urban market has been good, solar water heaters in some regional markets but also with other energy sources such as air, gas and other complementary use to solve this problem also makes solar water heater industry in the area of ??the city\\ s commercial and residential market has been favored . \"industry sources, since the requirements for the installation of solar water heater is relatively high, city high-rise buildings are capable of supporting the installation of a solar energy business,\" city \"of the key factors, the current research and standards relevant departments under way, but the outlook is uncertain.
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Solar water heaters have high demands in order to have new development
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s have high demands in order to have new development
Much concern compared to the solar water heater industry, Hardware industry has always been placid, are less concerned about whether the product technology or business ranking does not change much. With the solar industry in 2011 diversified the development process, change parts industry is also growing, the accessories industry this year will be difficult to calm.
At present, for the solar industry, polyurethane foam technology to the direction of the foam is shot, once formed, fine uniform foam can effectively ensure the water tank insulation effect. At present, most enterprises did not meet this requirement foaming technology, many more gun foam, the insulation performance impact. Construction of low-carbon society is the world trend, green energy saving products to the mainstream.
Solar water heater is energy-saving products, but also need to achieve a breakthrough in foam technology, there is destruction of the ozone layer foam need to be further out. Impact on the overall solar industry is positive, will accelerate the elimination of workshop-style-name companies, industry-shuffling process. Electric water heater tank solar water heater tank to learn from the production process.
At present, developments in the field of solar water heater tank requirements are:
First, the enamel liner technology needs to mature and spread.
Second, the performance of the product under pressure to achieve the national standard electric water heater and international standards.
Third, forced circulation technology will become the future direction of development.
Fourth, the intelligent control technology needs into the tank to achieve integration.
Fifth, leakage protection, over voltage protection, over-temperature protection, regular heating and other security technology. Sixth, how to ensure water quality in the tank.
Seventh, the original electric heating technology should be widely spread. Not only requires heating rod through the CCC, but also asked the tank and the whole system through the CCC.
Eighth, 100L ~ 500L large capacity water tank forming process need to break.
From the industry perspective, many companies want to have a new development in this area are still many difficulties to overcome these.
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Balcony wall solar water heater temperature is not enough reason analysis
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Balcony wall temperature is not enough reason analysis
Currently, many manufacturers of flat panel solar water heater Balcony wall there is no hot water, particularly in autumn and winter performance even more.
Why is this the case? There are several reasons.
1, the ratio of collector area and tank capacity is unreasonable. Balcony wall heaters are flat-plate collector, all glass tube type, heat pipe, U-shaped tube, no matter what kind of collector are present lighting utilization of floor space. Although solar energy is clean, free energy, but energy density is low, to 17MJ / (m. D) of sunshine, for example, 1 m 100% solar heat all day into hot water (temperature 40 degrees), and only then Only 102L. As the collector\\ s own area-efficient light collection efficiency, the balcony of the solar energy area, the balcony of illumination time, light intensity and other factors, resulting in heat gain from solar energy is less than the design heat load, combined with cold temperatures fall and winter seasons lower, but the bath temperature is really demanding, with the heat load increases, the water pressure tank capacity of the same, do not start the case of electric heating, will be lower than in other seasons.
2, balcony hanging solar water tank heat exchanger heat transfer efficiency is low. According to Fourier law, heat transfer efficiency of the contact area with the heat exchanger, flow rate, heat transfer material closely related to the current balcony wall heat exchanger in the form of solar water tank with small tank, jacket, coil several forms. Heat transfer area, the jacket and coil heat exchanger is larger than a small tank, flow rate, the forced circulation system is better than the natural cycle, heat transfer material, the most use of enamel liner jacket water tank, copper pipe better than the enamel coil.
3, medium circulation line is unreasonable. Currently the balcony wall, mostly natural circulation , the natural cycle of the bit is no external power, relying on the system itself, the fluid density difference between the automatic cycle. However, the loop natural circulation system must be higher than the collector tank, because the system itself, the fluid dynamics of the formation of very small density difference, it must be taken to reduce a variety of fault system vascular resistance. Such as: selection of a larger diameter, piping as short as possible, turning as little as possible, to prevent anti-slope, causing the gas block and so on.
4, the collector system, poor insulation, heat loss. To solve the pressure, antifreeze and other issues, commonly used in solar water heater Balcony wall secondary heat exchanger systems, pipe insulation do a good job, good selection of high performance solar thermal collector, solar collectors are effective in reducing some of the heat loss to significantly improve the efficiency of the system.
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Solar water heaters can be linked to the balcony appearance Yu Qiakuai
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can be linked to the balcony appearance Yu Qiakuai
s generally need to be installed on the roof, only the top floor of the villa and gardens in order to use high-end owners. The \"Yu Qiakuai\" on a new type of solar water heaters, but for ordinary residential use because it can be installed on the balcony.
Solar water heaters generally need to be installed on the roof, only the top floor of the villa and gardens in order to use high-end owners. The \"Yu Qiakuai\" on a new type of solar water heaters, but for ordinary residential use because it can be installed on the balcony.
Installation, this solar water heater heat sink can be directly \"linked\" in the walls of the balcony, looks like the addition of a thick glass. You can also put the carpet, like, laying on the roof surface.
Manufacturer that such solar water heater installation is simple and can resist harsh environments. With the same level compared to normal solar water heater, install, reliable, quick to mention temperature, water insulation, and other aspects advantage, weighs only ordinary solar water heater 1 / 10, but the expensive price of 1,000 yuan, the current market costs about 5000-8000 dollars.
It is understood that R & D to promote solar water heaters in the long side in the process found that many users want to install solar water heater to save energy, but not the top, no place to install solar water heaters or inconvenience to install, so he developed this can be \" hanging \"on the balcony of the solar water heater.
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Habitual user of solar water heaters strike frostbite
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Habitual user of solar water heaters strike frostbite
Solar energy industry as a green industry, more and more social attention, solar products and more accepted by consumers. But what causes such a high percentage of solar water heaters on strike? Reporters on the crisis of confidence facing the solar water heater industry were interviewed.
Into April and May, the weather is becoming hot, the renovation market increasingly prosperous, more and more families buy water heaters. Green solar water heater market has entered the traditional strong sales period. However, 25 provinces and cities nationwide consumer rights unit, the usage of solar water heaters had launched a joint investigation, the results show that 40.87% of the solar water heater one winter shutdown. There are more than 60% of consumers expressed the hope that their own \"the winter easy to use.\" Provincial Consumers Association complaint record also shows that consumer complaints on the issue of solar water heaters are mainly concentrated in the quality of the product itself, but off.
Solar energy industry as a green industry, more and more social attention, solar products and more accepted by consumers. But what causes such a high percentage of solar water heaters on strike? Reporters on the crisis of confidence facing the solar water heater industry were interviewed.
Gas
In winter the burst pipe
Home installation of solar water heaters, energy-saving plans is easy, the more cold the more hope to a hot bath at home, but home water heater Shuozhou public Zhang happens to strike one winter, water pipes burst every few days on .
Mr. Zhang in July 2009 to buy a certain brand of solar energy, found in December that year a solar water due to leakage caused by broken 10 cm. After minor repairs, the recovery use. In the winter of 2010 when the pipe burst recurrence of solar phenomena.
One winter burst pipes, the quality of the product itself is not a problem?
Mr. Zhang pulls out a purchase of this business to him when the warranty card, clearly written above: Solar host of quality problems within three years free maintenance. Subsequently, Mr. Zhang repeated contact with the dealer, the dealer to find a variety of reasons do not want to hear live, and said, want to change parts have charged $ 50, otherwise on the matter.
Mr. Zhang reflects the Consumers Association, the coordination of several CASE staff, and ultimately agreed to in accordance with the warranty card business description, be maintenance free.
Province CASE staff told reporters that 25 provinces and cities nationwide consumer rights unit, the usage of solar water heaters had launched a joint investigation, the results show that 40.87% of the solar water heater one winter shutdown. Through the statistics, the province consumer complaints about solar water heaters are mainly concentrated in the winter can not use the product.
Sigh
The siege of a small brand name products
And State Road in a well-known brands of solar water heater stores, sales personnel \"tube used in ultra-cold tube, firing more than 50%, still take hot water in the Antarctic, as well as installation of pipe insulation against off module, completely solve the heat in winter blocking off pipes frozen pipe problem, use solar energy in winter break the bottleneck. \"Reporters learned that the use of capacity for three or four around the 200L solar water heater, the price at least 3,000 yuan, or even 6,000 yuan. Consumers have to pay an additional parts cost.
Solar market in the provincial capital, the reporter found that nearly half of the brand is well-known products that are not in the containment of many small brands, the brand seems a little lonely in here. Some product names or marks are near the famous, and well known brands to take a similar name, the concept of fuzzy large walking a fine line. Shop in a small brand, the reporter saw the shop stocked with only one product, ask and found, where the price was very cheap, 200L capacity is only 1980 yuan price of the product, including accessories and installation costs.
Because the price gap, market, small shops branded products within the flow of people is significantly larger than the more well-known brand.
A well-known brand\\ s sales staff have also very helpless: \"No way, some consumers are price sensitive.\" According to the said store sales last year, about 300 units, while other nearby small brand products have to much higher sales volume.
Shock
Assembled products in a thousand dollars profit
Province CASE staff, told reporters, resulting in solar water heater one winter lay-off or difficult to use the main reasons: First, some small manufacturers of vacuum tubes, poor quality, small size, resulting in low collection efficiency thermal aquatic systems; second machine antifreeze poor; Third businesses or consumers to assemble their own solar water heater problems are still outstanding.
In this regard, a well-known brand name in Taiyuan Wei, head of the Office of bluntly: \"solar water heater industry, the threshold is too low, as long as the production of can produce! Those little brand no technical content, all assembled products.\"
According to reports, a relatively simple solar water heater works, the use of vacuum tube for solar thermal conversion, and then through the heat insulating layer of water can be, \"as long as the tube is black, can be drying out the water.\"
Industry\\ s low barriers to many workshops have begun sales of solar water heater listed, this is usually the stent, the house of the tank, another of the vacuum tube, assembled together on the sale. But the insulation layer is not thick enough, there is no pipe freezing measures, measures the lack of heating temperature … … this product may also use the summer, but winter weather is cold in our province, frequent water heater pipe cracking, leaking, or even burn out the circuit and other issues , the strike will feel a novelty.
According to insiders reveal, the cost of a solar water heater assembly of only seven or eight hundred dollars, while the OEM sale price is about 1,800 yuan, the profits of a water heater thousand dollars. In this profit-driven, more and more enterprises to squeeze into the solar market. In order to maintain profits this market, manufacturers can only be achieved by reducing costs, and thus vacuum coating thinner, more narrow frame, insulation and even a plastic foam impression.
Like
The introduction of industry standards in the second half
Interview, the reporter learned that the first mandatory national standard – \"home efficiency of limited value and energy efficiency rating\" has entered a substantive stage of operation, expected to launch later this year, to regulate the industry chaos. In this standard, the solar water heater energy efficiency will be divided into three, one of the most energy efficient products. \"Is energy efficiency standards through the winter to see what effect the product?\" Mr. Sun asked consumers. \"We do not know what the specific content, but it is certain that with energy efficiency standards, the advantages of our brand products will be obvious, we are looking forward to the introduction of this standard.\" Surnamed Wei person in charge of the future, consumers energy efficiency can the selection of solar water heaters. High level of energy efficiency of the natural winter effect, this should be a guide, but also allows consumers to regain the trust of the solar water heater industry.
Consumer alerts
Consumption for the current solar water heater problems, Province Consumer Association reminds consumers: buy solar water heater, be sure to choose well-known brand, but before buying, the best understanding of the reputation of the business survey. For its services, warranty, consumers do not just listen to the dealer\\ s propaganda, be sure to ask for a formal warranty card, warranty or other written evidence, in the future in the event of quality problems, you can issue them to the dealer or the relevant notes to safeguard their legitimate rights and interests.
Guide
The industry reminds consumers to use solar water heaters, please note the following three questions:
1, when the temperature is below zero degrees Celsius, open antifreeze device, so that the warm-up protection.
2, according to weather conditions and reasonable in Sheung Shui. In the temperature not too low (5-7 ?) in the case, the evening after water, hot water tank as well, should be full of water on solar water heaters; such as low temperature, should be the next morning in Sheung Shui, to prevent the water heater block frozen pipes.
3, the temperature is below 0 ?, the thermal solar water heater can open the tap, so that the slow drip, solar water heater to keep water flow to prevent freezing block.
4, the use of solar water heaters, bath, also pay attention to electrical safety. As part of the solar water heater installed electric auxiliary heating device, charged with leakage may occur if there is, so installation of electric auxiliary heating of the solar water heater must be installed leakage protection.
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Tagged solar air conditioning, solar water heater china, solar water heater manufacturers
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