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Tag Archives: solar water heater china
Why solar water heaters in China to promote faltering?
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Why in China to promote faltering?
[REVIEW] In the era of increasingly tense energy, s, which should be favored by the people, however, according to authoritative statistics, solar water heaters in China\\ s share is currently less than 10%, and the \"Building Energy\" 15 \"Plan and the 2010 Plan\" requirements of the 2015 National Household penetration of solar water heaters up to 20% -30% target, there is a considerable distance.
Growing tension in the era of energy, solar water heater which should be favored by the people, however, according to authoritative statistics, solar water heaters in China\\ s share is currently less than 10%, and the \"Building Energy\" 15 \"Plan and the 2010 plan\" required by 2015 National household solar water heater coverage reached 20% -30% target, there is a considerable distance.
Solar water heaters as a both energy saving and environmentally friendly products, why not promote it in China?
Not restricting industrial development policy support
Promote the production of solar water heaters in China began in the early 1980s, has gone through more than 20 spring and autumn.
Since 2000, the rapid development of solar energy industry, growth of over 20%. Solar energy industry new opportunities, new opportunities of the most important sign is all levels of government have introduced a policy of supporting the solar industry. Especially since 2006, with the country\\ s attention on energy conservation, to include performance evaluation indicators, more support around the solar energy industry. Shenzhen, Yantai, Guangzhou and other cities, as well as Jiangsu, Hainan Province, has announced the implementation of mandatory installation of solar water heater policy.
Put a policy has reflected a number of provincial and municipal governments commitment to energy conservation, but in the implementation process is not smooth. In May this year, Jiangsu Shuyang access to residential solar water heater tender, the price-point, selected four without extensive market impact, but low-cost solar water heater brands, completely changed the competitive environment in the local market, was purchased Housing and dealers who resisted strong opposition.
Jinan City, Shandong Province, on August 1 this year, began full implementation of solar energy, \"put a order\", the next new 12-storey residential and hotels, s must be integrated with building design and construction.
Professional Committee of China\\ s solar thermal Luo Zhentao that from loaded to put a limit on the solar energy industry is the gospel, but the implementation of mandatory installation of solar water heaters, must have the appropriate standards to follow up, otherwise hidden in the prevalence of quality, there is no corresponding protection the case of measures to implement this policy, it is likely ?????.
January 1, 2006, \"China Renewable Energy Law\" into effect. Introduction of this extraordinary law does not give a lot of renewable energy developers looking to bring in surprise, as the \"Regulations\" has yet to introduce the implementation of the law difficult.
\"Solar thermal industry is the most potential for renewable energy and practical significance of the industry, the future state the main force of conventional energy alternatives.\" As a renewable energy law who filed the motion, National People\\ s Congress Huang Ming calls for national science and sound as soon as possible The solar energy industry to support the development of policy.
Industry disorderly competition impact industrial reputation
Bin County, Henan fraternity house the village the first use of solar water heaters. His home water heater is not easy to use security less than two years, and look for factory maintenance, factory early yellow. Such as Bin solar water heater repair awkward encounter that many people. According to statistics, China\\ s solar water heater has reached more than 3,000 billion yuan of output value while only 10 manufacturers, the top 10 combined market share does not exceed 20%, the vast majority of market share lies in the hands of brand-name companies.
Jinghai County of Tianjin flow in the town alone there are 13 solar energy water heater point of sale, the reporter asked of the asking price, a cheap 1,000 yuan, 5,000 yuan a good brand, quality products from 1,000 yuan to the service are difficult to guarantee.
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Lee Jin-name solar water heater industry should resist inferior products
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Lee Jin-name industry should resist inferior products
[REVIEW] Lee Jin-called solar water heater industry should strengthen self-discipline, high parity should be positioned to further enhance the industry technical standards, will eventually become bigger and stronger solar water heater industry.
Recently, the \"White Paper on China\\ s solar water heater costs,\" released in Beijing. Sponsor, successful home appliances brand Beijing Science and Technology Co., Ltd. Chairman Li Qiang Jin Jin said, should allow each consumer, particularly consumers, farmers can afford quality, reliable, guaranteed after-sales service of . Lee Jin-called solar water heater industry should strengthen self-discipline, high parity should be positioned to further enhance the industry technical standards, will eventually become bigger and stronger solar water heater industry.
According to Li Jin introduced to the retail price of 1280 yuan Φ58-1.6m-16 branch pipe solar water heater, for example, the price structure is as follows: vacuum 16 200 yuan, 408 yuan holding tanks, Stand 132 yuan, cost of sales $ 120 manufacturers profit 80, logistics costs $ 60, the channel profit 280 yuan, which is the market model, similar to some of the solar water heater performance compared to a thousand dollars cheaper.
Li Jin said, at present, the cost of solar water heaters has been very transparent. Therefore, removing low-quality brand-name products, the production costs of have been very close.
\"At present, solar water heater industry has long been one of the biggest drawbacks is that the artificially high price, resulting in the value of products with a serious departure from the price, the farmers lack the most basic right to know.\" Li Jin said that although the solar water heater industry has been nearly 20 years of development , especially from home appliances to the countryside since 2009, in China\\ s rural market has long been a popular product, but the farmers for the quality of solar water heaters, price, service, or a layman, so when they face a lot of the countryside successful product and brand-name inferior products do not know how to choose the time.
Data show that in recent years, solar water heater as a sunrise industry in China have developed rapidly. 20 years of development, so that China\\ s solar thermal industry from small to large, has become the world\\ s largest solar thermal use of the country. In particular, solar water heaters in 2009 was selected as home appliance products, the huge potential market for solar water heater industry to bring a rare opportunity.
\"At present, China has nearly ten thousand solar water heater manufacturers, but truly has a high R & D, manufacturing capacity and marketing enterprise of science is not much.\" Li Jin introduced strong market demand for a strong impetus to China\\ s solar water heater rapid industrial development. What is worrisome is that low barriers to entry, huge product profit margins, resulting in solar water heater business mushroomed flourished, which lack some of the family-style workshop manual. Its products there is a serious security risk and service quality is also not guaranteed.
\"Solar water heaters energy saving has become a generally accepted concept of the consumer. Announced the cost of solar water heaters, mainly due back to the consumer\\ s right to know, so that they can clearly consumption, and thus spend less money wasted.\" Faced with the current solar water heater industry, competition has intensified to the point. Lee Jin-assertion, to April next year, industry products will be substantially lower prices, without a doubt the industry reshuffle has already arrived. With solar water heater industry competition intensified year by year, the era of the past profits, marginal profit is inevitable has arrived.
Lee Jin-called, in order to have environmental protection, safety, energy saving solar water heater gained popularity as quickly as possible in the vast rural areas, solar water heater companies should seize the home appliances and upgrading standards for the industry to provide a rare opportunity, continuing technological innovation and product innovation, further improve product quality, improve management, reduce product cost, and vigorously develop the market, distribution channels and after-sales service system to strengthen the building, and then bigger and stronger solar water heater industry. Using their own resources and advantages, the most effective means of brand-name products and profits against inferior products, and ultimately make a rational and healthy development of the industry to make solar water heaters real households.
Li Jin is also recommended that consumers buy solar water heater, the first price is too cheap not to buy products, do not be deceived by low prices. After a national testing authority qualified products. Second, do not be misled by a variety of conceptual speculation. For some prices artificially high, significantly more illusory conceptual speculation with the product, you can shop around to compare product technical parameters be aware of. The third is to buy National Quality Supervision and Inspection Center of solar qualified products.
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Solar water heaters into the Guangzhou peoples homes to three-level
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Solar water heaters into the Guangzhou people s homes to three-level
[REVIEW] twisted the faucet had hot water, residents can be as long as the credit card consumer hot water, overhead collector set, still lush rooftop garden … … November will be "opened its doors," the Guangzhou Asian Games City, 89 buildings, more than 8,000 suites, provide 24-hour hot water, all from solar energy.
Asian city of more than 8,000 suites offer 24-hour hot water all from the solar
Unscrew the faucet there is hot water, residents can be as long as the credit card consumer hot water, overhead collector set, still lush rooftop garden … … November will be "opened its doors," the Guangzhou Asian Games City, 89 buildings, more than 8,000 suites , provides 24-hour hot water, all from solar energy.
Although experts predict, the mainstream of the future family with hot water will come from solar energy. However, solar hot water into the homes of ordinary people still face price, installation and policy three major "bottleneck." Park as a future living "model", the Asian Games City is how to solve these challenges?
Difficult one: the risk of illegally built
At present, solar energy use problems encountered on several fronts: the installation of solar water heaters sad "plan off." According to the relevant provisions of urban planning and construction, building roofs are common residents of the whole building site, are not permitted to increase the common parts of the self-use equipment, no planning, "Zhunsheng Zheng," On the roof without permission is illegal construction of solar installations. Second, the size of the collector, installation, lack of uniform standards, if you wait until after the completion of the building, in addition to the installation, to bring more security risks building and landscape damage; private owners installed on the roof of the "pot cover ", if not installed lightning protection devices, may become the largest" lead mine accomplice. "
The solution: integrated design to be built
I boarded the Asian Games Town Technical Officials Village, Building 10, the roof, I saw 6-meter-high steel frame erected on the roof, vacuum tube solar water heater collector panels on a steel frame above the shop, like the natural sun visor, and roof design seamless. The use of aerial design, solar water heater collector panels do not take up the roof area, roof of the "Hanging Gardens" is still lush. Floor surface of the hot water pipes with a special material "package" will not burn people at the rooftop leisure and play.
Residential toilet, a bath without water heater like the hotel as long as they have twisted the faucet of hot water. Some devices are equipped in each household a total of six rooms in the water, impurities in the water supply, respectively, high-quality water and domestic hot water, watering, bathing, cooking can take what. Including hot water pipes with a special smart meter, residents can be as long as the credit card consumer hot water.
"We are in the construction bidding program on the use of integrated design of solar systems, together with the construction program to be built, and designed with a roof of heavy computing loads, water requirements, plus a lightning protection device to avoid a one as each installation, the housing function may cause varying degrees of damage and the risk of illegal construction. "Guangzhou Asian Games City solar project leader Luo Huiying said.
Problem 2: the high price
High prices of solar water heaters, it has become into family s threshold. I visited the city several large appliance stores, find rare solar water heater "shadow." Suning Appliance, a sales official said, in the city s water heater market, energy water heater accounts for 2 / 3, the remaining 1 / 3 is basically a gas water heater, solar water heaters in the city basically no market share. It is understood that an ordinary gas or electric water heaters up and down the retail price is generally in the thousands, or even three or four hundred dollars of promotional items, while the price of the basic brands of solar water heaters are more than 3,000 yuan. "Although solar and energy efficient and environmentally friendly, installed after no electricity, but its first investment is a bit high." Aunt West side neighborhood off some frustration.
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Solar water heaters installed float valve positioned outside the box
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s installed float valve positioned outside the box
[REVIEW] The float valve mounted directly inside the solar water heater tank solar water heater industry has always been a desire, but can not overcome the defect leakage, this desire is not achieved, so always use a single hand up and down the water pipe the practice.
Directly mounted on the float valve inside the tank solar water heater solar water heater industry has always been a desire, but can not overcome the defect leakage, this desire is not achieved, so always use a single root canal water up and down the practice of manual, Although there has been the installation of the external tank and the use of tank water level signal, deputy commanding solenoid valve switches to automatically control the water level in Sheung Shui and the device, but it makes the system complex, beautiful shape affected by the limited reliability.
After careful analysis of the thermal storage tank float valve installed structural defects, the researchers avoided the continuous threaded connection structure proposed can be positioned outside the installation of floating type ball valve, to prevent the installation and maintenance in the presence leakage of threaded connections and convenient installation and maintenance problems.
The float valve will be positioned with the pin of the valve connected through a long tube with the tank wall as one of the grooves are positioned to apply pressure bearing seal ring connected to the mother and its head through the adjustable joints to connect with the outside to take over. To prevent the body\\ s own space outside the upper part of the tank water and hot water against the cold, but also with a fully enclosed body structure and increase the proportion of practices carry the rod. This technology features a series of excellent performance:
1, pick out the parts of the floating valve watertight.
2, the body is not totally enclosed water to the tank water level.
3, the turn-off capability, up to 0.8MPa, it does not occur due to high water pressure and leakage phenomenon.
4, long service life than ordinary float valve more than doubled.
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Solar water heater is hard for a wide variety of reasons for the rejection of residential property
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Solar water heater is hard for a wide variety of reasons for the rejection of residential property
[REVIEW] "Now the whole society to promote green energy, why do I want to install a solar water heater is it so hard?" Has lived mayong of Ms. Yen told reporters reflect, she lived residential property management company to prohibit owners from installing solar water heaters, determined to support environmental protection, she was powerless.
"Now the whole society to promote green energy, why do I want to install a solar water heater is it so hard?" Of Ms. Yen has lived mayong reflected her live residential property management company to prohibit owners from installing solar water heaters, she is determined to support environmental protection do nothing.
Visits found that Ms. Yen s troubles is not the case, the vast majority of commercial district in Dongguan have similar problems. Although the Bureau of Dongguan City in June 2007 enacted the "Dongguan City Building Energy Regulations", which includes encourage the promotion of energy-efficient building structures, materials, products, and promoting renewable energy development and utilization, the development of green buildings and so on. But the city s many residential community developers and property owners to install solar water heater company prohibit the phenomenon is still relatively common.
Policies and local regulations have been supported, residential solar water heaters into why or difficult?
Investigation into the area of ??solar water heaters difficult
Ms. Yen is claimed to be impatient, she thought of the recent buy a solar water heater, one can save gas, and secondly to support environmental protection can be considered out of the force.
"It was very simple idea, did not expect to run into such trouble." Ms. Yen said she always thought that solar water heater is installed is a very simple thing, did not consult in advance the residential property management companies, directly to the mall provides the goods, but also deposit to pay hundreds of pieces. But when the workers into the area after the installation, but it was a security block.
A residential property management staff told Ms. Yen, never allow the installation of residential solar water heater, wall area is mainly worried about the impact the landscape, would have been against the other owners.
Ms. Yen repeated representations, but the property management company took a tough stance, adding that even if Ms. Yen privately installed, they will send someone to remove. Ms. Yen dilemma, the deposit has been paid, no refund is possible, and solar water heaters and pretend not to, she joked throw good money after bad.
Reporter then visited Dongguan, more than one cell, many residential property owners to reflect a similar problem. Living in the district near the Fourth Ring Road, Mr. Lu said, Dongguan City, the average annual high temperature, solar radiation in summer heat, the year the average daily temperature of 25 degrees Celsius was more than 210 days, solar energy has great potential, there is development and promotion solar energy utilization technology of favorable preconditions. And the current, gas prices remain high, both environmentally friendly and able to install solar energy savings for themselves, "Why kill two birds are not allowed to do things?"
Products, Dongguan City, an energy company s head of marketing, Ms. Lai introduced a few years ago, Dongguan City, monthly sales of over million solar water heaters. But since 2007, the sales have been declining. The main reason is the solar water heater villa in Dongguan, the factory dormitory higher prevalence, but the last few years this market has been basically completed development, and solar water heaters has been difficult to break into ordinary commercial housing market in Dongguan. The main reason is to prevent developers and residential property management, installation of solar water heaters.
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Solar water heater Appliances Expo to open up channels leveraging th
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Solar water heater Appliances Expo to open up channels leveraging th
[REVIEW] China Household Electrical Appliances Association reported that in 2011 in Shanghai, China at the Tenth Special of household electrical appliances exhibition "Home Solar Products Exhibition", specifically for solar water heaters and appliances dealers to build a collaborative platform to promote solar water heaters and investment promotion work.
China Household Electrical Appliances Association reported that in 2011 in Shanghai, China at the Tenth Special of household electrical appliances exhibition "Home Solar Products Exhibition", specifically for solar water heaters and appliances dealers to build a platform for cooperation, to promote solar water heaters promotion and investment work.
It is understood that China ranks first in the world to use solar water heaters, water heaters ownership has been the world s total holdings account for more than half. In recent years, the state has implemented a solar home appliances, solar roof plan and other preferential policies, local governments have also developed a new energy promotion plan. In this circumstance, more general field of solar energy applications, has become an important household appliances. Therefore, the solar water heater business to adjust product positioning, channel into the appliance is very important.
Competition within the appliance industry, has evolved into an increasingly competitive channels. Marketing of home appliances, in fact, brand and marketing terminal, and all this had to go through channels to achieve. Solar water heater business to promote investment by the consumer electronics show, can face the dealer ranks, ability to choose the best dealer distribution, the rapid development of enterprises.
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Utilization of solar water heaters in China ranks first in the world
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Utilization of in China ranks first in the world
[REVIEW] 21, sponsored by the People, \"2010 China\\ s first annual Low Carbon Innovation Forum\" held in Beijing, the Forum also announced the 2010 low-carbon leader of China, the leading brand in the top ten innovative technology products and many other awards. National Energy Wu Yin, Deputy Secretary in the forum revealed that China attaches great importance to the development of low-carbon energy, utilization of s in the world first
21, sponsored by the People, \"2010 China\\ s first annual Low Carbon Innovation Forum\" held in Beijing, the Forum also announced the 2010 low-carbon leader of China, the leading brand in the top ten innovative technology products and many other awards. National Energy Wu Yin, Deputy Secretary in the forum revealed that China attaches great importance to the development of low-carbon energy, utilization of solar water heaters in the world, hydropower installed capacity exceeded two hundred million kilowatts, ranking first in the world, this year\\ s wind power installed capacity the second largest in the world.
Wu Yin, in recent years, China\\ s development of low-carbon energy, clean energy and renewable energy efforts in the world are significant:
The first, hydropower installed capacity exceeded two hundred million kilowatts, ranking first in the world. Hydroelectric power generation in 2009 amounted to 615.6 billion kwh, reduce carbon dioxide emissions of about 5.6 million tons, to the Three Gorges Project construction signs, China\\ s hydropower technology has reached the world advanced level.
Second, China\\ s nuclear power installed capacity of 11 units put into operation, 910 million kilowatts, nuclear power is currently under construction in China more than 26 million kilowatts, accounting for 40% of the world\\ s nuclear power installed capacity of more than. Wind power capacity doubled for four consecutive years, the third largest in the world this year is expected to wind power installed capacity exceeded 30 million kilowatts, will be the second largest in the world.
Third, the utilization of solar water heaters in China ranks first in the world, solar water heater total area of ??145 million square meters, annual production reached 42 million square meters, these data are more than half of the world. In 2009, solar photovoltaic cells to double growth for five consecutive years, the world\\ s solar photovoltaic power generation has made a significant contribution.
Fourth, China\\ s biomass energy use has also been a rapid development.
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Popularity of flat panel vacuum tube solar water heate
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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.
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First half of the solar water heater industry entered a stable period of development
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First half of the solar water heater industry entered a stable period of development
[REVIEW] since the first half of this year, solar water heater industry continued to show a sustained and steady development, the overall economic development impact, it is from the rapid development of the steady direction.
Since the first half of this year, solar water heater industry continued to show a sustained and steady development, the overall economic development impact, it is from the rapid development of the steady direction.
Stable and sustainable growth of the industry as a whole
A recent survey of 36 companies in the first half of solar water heater market conditions, 36 companies divided by two categories: the first 12 key enterprises, compared to last year, two flat, but the project has increased, the remaining 10 growth rate of 20% -60%, 12 average increase of 32.6%.
The second category of medium-sized enterprises, a total of 24 survey, distributed in eight provinces. There are two negative growth (-20% – 30%), a flat, two less than 6% growth, and the remaining 19 up to 20% -70%. Sichuan, two of which increased 100%, and 24 overall average increase of 37.25% year on year.
At the same time, feedback on individual districts, closed down by more than 100, there is news that the region 1 / 3 of the sustainable development of enterprises, 1 / 3 of enterprises in general, 1 / 3 of enterprises out of business.
From a number of supporting businesses, such as apron, instrument parts, tank parts and other companies understand that in the first half growth rate of 20% or more, but there is a feedback vacuum tube business news inventory increases.
From the above survey results, the solar water heater industry has experienced 20 years of rapid growth, steady growth into line with the law of development. I believe that the solar water heater industry structure must be adjusted, the adjustment is to develop the content of one of the large enterprise, improve industrial concentration, the promotion of famous brands. Industry to form the backbone of enterprise-based, supporting business, engineering supporting industry chain enterprises reasonable. Number of low-level small business, can not always stay in the primitive stage, must be upgraded. No technological innovation, industrial upgrading, the market integrity of small businesses, competition in the market out, to be eliminated is the inevitable result. Lies in corporate restructuring and transformation.
Solar thermal industry in upgrading
Scientific and technological progress. Vacuum is to high, the auxiliary electrical energy, all-weather running hot water system, the development of intelligent control, the proportion of its products in 2010 reached 40%. Temperature in all-glass vacuum solar collector has passed appraisal and acceptance, Norit 150 ? vacuum tube efficiency as high as 45% or more; Emperor Ming in the temperature of 128 ? tube also through project acceptance, in an open tube temperature will for air conditioning, desalination, industrial use of technology and equipment to provide efficient collector. 400 ? -450 ? high temperature solar collector technology, and collectors will provide thermal power generation applications and development of key technologies and products, companies and Marino Emperor Ming of their respective companies developing new materials 400 ?, 4-meter-long vacuum tube samples has been developed successful, will form a production capacity; Pete\\ s 350 ?, 2-meter-long vacuum tube thermal power stations in 260KW application. China\\ s first thermal power station 50KW argument.
Applications expand. and domestic hot water bath to meet its basic functions, currently being expanded heating area of ??application, in addition to industrial and agricultural production is solar water heating system with hot water an important area of ??application.
Manufacturing equipment has improved significantly. All-glass vacuum tube solar collector system from the furnace into the rough, coating, cleaning, exhaust annealing, pull seal, to the packing factory installed card, automation, energy saving 30%, 40% efficiency, can be said that our vacuum tube solar collector technology and product level, an international leading level, the formation of China\\ s own industrial production patterns and self-development, self-made industrial, automated production equipment.
standardized power. National standards for solar water heater with 17 in 2010-2011 to develop a further 15, of 32, there are four industry-standard, can guarantee the production and use of water heaters. As far as I know, only as much as product standards, the international top.
In addition, the national compulsory standard \"domestic solar water heating system thermal efficiency of limited value and efficiency levels,\" the development and implementation of energy efficiency of solar water heaters and grading limit the development and implementation of national standards, will be following the solar water heater to the countryside, After the construction of new industrial base and accelerate industry consolidation, adjustment of industrial structure, improve product quality and level of another big move. (Authors are in rural China Solar Energy Industry Association special committee director of the China Solar Energy Association special committee Secretary-General)
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Tube solar water heater is good decision
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[REVIEW] winter or cloudy, if the home s solar water heater hot water out of less, or no insulation, so this water heater on the quality of solar cells is questionable.
Winter or cloudy, hot water if solar water heater out of the home less, or no insulation, so this water heater on the quality of solar cells is questionable.
The province is located in Haining solar product quality inspection center statistics, Henin-Hardenne s all-glass solar collector tubes of the actual annual output has reached 150 million. In 2009, total demand for these products is about 300 million. However, market share, the production of solar cells from Haining sales account for only 25% of total market share. This means that about half of Haining s solar collector tube overcapacity.
Shen Bin, deputy director of the center, said, Haining s solar collector tube manufacturers still showed a rapid increase in trend. "Two years ago, only 10 more than Henin solar collector tube manufacturer, has now reached 46." These 46 enterprises, mostly SMEs, large companies are few.
Excess capacity, supply and demand with solar collector tubes have a clear peak seasons, resulting in a disorderly competition in the industry, and ultimately affect the quality of products. According to Shen Bin, the last three years, the production of solar cells Haining, the market s most widely used 57 mm diameter tube integrated pass rate 80%.
The performance of solar cells is directly related to the water heater s performance good or bad. "Quality, but off the solar collector tubes for solar energy absorption and transformation capacity is limited, especially in the winter and cloudy days, a less hot water heater, the water temperature is low, poor thermal insulation properties. A good solar water heater insulation in the winter time is 2 ~ 3 days, but the difference of solar water heaters, water temperature may be only just over one day at room temperature the same. "
Recently, based on "all-glass vacuum tube solar collector," the national standard, the provincial quality inspection center of the solar products prepared by the "Zhejiang Province, all-glass vacuum tube solar collector evaluation of product quality supervision and inspection rules," permitted release. This means that, in the province-wide, for all-glass vacuum tube solar collectors have a uniform standard of supervision and inspection evaluation.
[REVIEW] winter or cloudy, if the home s solar water heater hot water out of less, or no insulation, so this water heater on the quality of solar cells is questionable.
Winter or cloudy, hot water if solar water heater out of the home less, or no insulation, so this water heater on the quality of solar cells is questionable.
The province is located in Haining solar product quality inspection center statistics, Henin-Hardenne s all-glass solar collector tubes of the actual annual output has reached 150 million. In 2009, total demand for these products is about 300 million. However, market share, the production of solar cells from Haining sales account for only 25% of total market share. This means that about half of Haining s solar collector tube overcapacity.
Shen Bin, deputy director of the center, said, Haining s solar collector tube manufacturers still showed a rapid increase in trend. "Two years ago, only 10 more than Henin solar collector tube manufacturer, has now reached 46." These 46 enterprises, mostly SMEs, large companies are few.
Excess capacity, supply and demand with solar collector tubes have a clear peak seasons, resulting in a disorderly competition in the industry, and ultimately affect the quality of products. According to Shen Bin, the last three years, the production of solar cells Haining, the market s most widely used 57 mm diameter tube integrated pass rate 80%.
The performance of solar cells is directly related to the water heater s performance good or bad. "Quality, but off the solar collector tubes for solar energy absorption and transformation capacity is limited, especially in the winter and cloudy days, a less hot water heater, the water temperature is low, poor thermal insulation properties. A good solar water heater insulation in the winter time is 2 ~ 3 days, but the difference of solar water heaters, water temperature may be only just over one day at room temperature the same. "
Recently, based on "all-glass vacuum tube solar collector," the national standard, the provincial quality inspection center of the solar products prepared by the "Zhejiang Province, all-glass vacuum tube solar collector evaluation of product quality supervision and inspection rules," permitted release. This means that, in the province-wide, for all-glass vacuum tube solar collectors have a uniform standard of supervision and inspection evaluation.
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Tagged chinese solar air conditioner, pressurized solar water heater, solar water heater china
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