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Solar water heaters with different application conditions

Posted on January 13, 2012 by admin

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with different application conditions

s and television sets, refrigerators not the same, it needs to work outdoors year round, so the installation, should the building level, the local water source, roof condition and other conditions, thoughtful, here is the solar water heater under different conditions of application.

A high-rise city users

City high-rise district at the top 7-8 layers of the residents use solar water heaters, due to install the required pipe is too long, you can use the split solar water heater. However, due to the pipeline to cross the bedroom, living room, they need to cover the decorative treatment of the pipeline. Relative to the small and medium sized cities in terms of low floor, high-rise mega-cities area of ??solar water heater performance, installation techniques and put forward higher requirements. Meanwhile, the solar installation on the roof, uneven, is bound to affect the appearance of the city, and property management and city environment is also difficult to maintain a harmonious relationship.

Second, the water areas of difficult

Water can not be divided into the following situations: One is no running water. These areas generally have pressure wells, the use of solar water heaters can make use of the pump in Sheung Shui. Another addition of an auxiliary tank, and water heater the same height or slightly higher, to store cold water to adjust the water temperature when bathing. Well water in the cooler northern summer, the temperature of hot water solar water heater in the water area is also slightly lower than normal. The second is the regular water supply. You can install a regular water supply area of ??the cold water tank with float valve, and the water heater the same height or slightly higher, to connect the upper and lower tap, so water supply can be automatically covered with water. The third is a small pressure. Water can not enter the small pressure solar water heater, at which point you can use household micro-pumps in Sheung Shui. Fourth, the water has sediment (sand layer of this water comes from wells generally). Sediment into the water heater with water, the sediment deposition in vacuum or in the tank, the impact of solar water heater thermal efficiency and capacity of water, so it must use an auxiliary water tank after the sediment deposition in Sheung Shui, or the net use coarse filter function Water can also be achieved the purpose of removing sediment.

Third, the steeple room users

Now on the market designed specifically for the steeple room type solar water heaters across the ridge, the apex of the building have balconies split solar water heater can be installed, not only to achieve the full effect of the use ordinary solar water heater, and an increase of intelligent design, simple operation.

Fourth, rural areas and small towns

Small towns floor is not high, less shelter materials, pipelines and easy layout, use of solar water heater is the best area. Rural air is good, pure water, more suitable for the use of solar water heaters, and attached great importance to rural residents with housing-related infrastructure additions. With the improvement of living standards, affluent and civilized pursuit farmers a comfortable lifestyle, solar water heaters just to meet this requirement. Women, especially rural families, working hard, but need a bath every day with the water heater, laundry, cooking. In the new rural construction boom in solar energy may well be an important indicator of well-off life, civilized.

5, luxury villas

Today, luxury villas with private cars and more and more people, they are solar water heaters, water capacity, appearance, performance and accessibility and put forward higher requirements to meet the multi-day trips to surf bath, bath, laundry, clean slate, warm red car and other domestic use. In the design, solar water heaters can be achieved with the perfect combination of the villa; in intelligence, and to achieve a water temperature display, automatic Sheung Shui, automatic heating, self-diagnostic features such as an accident; in use, with a large volume of water, safe and reliable, 24 hours hot water supply, modern lifestyle. Owners get to enjoy not only comfortable, but also felt a healthy green civilization.

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Hu Guang-liang about the future of flat panel solar water heater market

Posted on January 13, 2012 by admin

Hu Guang-liang about the future of flat panel market

By now have been introduced around the country to promote good application of solar energy policy, and the solar industry has introduced new franchisees efficient flat plate , I believe three to five years, flat plate s with its unique advantages, will be the integration of solar and building shine, not to mention split the world with the vacuum tube, flat panel solar day will dominate the world far away.

    Hu Guang-liang Profile: Graduated from South China University of Technology, MBA, flat panel solar thermal Professional Authority Director, Guangdong Province Committee of solar thermal, solar current five-star Co., Ltd. Dongguan. He is only 300 square meters from a plant, no one was optimistic about solar products in order to overcome unimaginable difficulties. 18 years later, the five-star solar energy from a starving baby, grow into a robust adult today, Hu Guang-liang to a solid pace along the way, with charm to win the market, with the strength to win customers with quality products to win broad market.

    Hu Guang-liang, chairman of users has taken the time to answer various questions, dialogue, high-end ideas, discuss industry developments. Below are some Q & Record.

User: Hu total, according to your forecast in the next 5 to 10 years, China\\ s solar energy market is still dominated by vacuum tube solar it?

Hu Guang-liang: by now around the country have issued favorable policies promoting the use of solar energy and solar energy industry has introduced new franchisees efficient flat plate solar collectors, I believe three to five years, flat plate solar collectors with its unique advantages, will combined with the construction in terms of solar shine, not to mention split the world with vacuum tube, flat panel solar day will dominate the world far away.

User: Hu total Hello, you currently under analysis in the international solar energy market which advanced technology?

Hu Guang-liang: the international market of advanced technologies, such as: high-efficiency solar cells, absorption coating technology, as well as control systems, these three aspects of the technology is more advanced.

User: Hu total, flat-panel solar water heater how to achieve large-scale production?

Hu Guang-liang: large-scale production, the corresponding system requirements such as building parts production to achieve the same, to serialization and standardization. Solar industry to achieve large-scale production, the first standardized the size of the solar collector, collector plate core parts, components (including foundation embedded parts, connectors, manifold) can be produced according to uniform standards, construction, installation, acceptance should also be uniform standards, specifications, products of different brands to achieve common, can really put solar construction, installation into the universal installation of the column, not only the scale of production can be achieved, but also will market the standard rational development, to ensure promotion of solar energy applications effectiveness, and achieve universal access to solar energy and building effective integration, and promote healthy and orderly development of the solar industry.

User: Hu total domestic constraints do you think the promotion and use of flat plate solar water heater is the main reason for the development of what?

Hu Guang-liang: I think it is important to regulate the market. Fish are now mostly a good product because it resulted in misleading users on the flat solar misconceptions, the correct guidance of public opinion, and product standardization, and the functions of supervision and inspection of product quality is also essential. Otherwise, let the vicious competition in the market disorder, not only can not play the role of solar energy saving, will only waste money, crack down on public enthusiasm for solar applications, solar hinder the healthy development of the domestic market.

User: five-star strategic position and core strengths, what the current position in the industry?

Hu Guang-liang: Our strategic positioning is the first star to do the pioneer of a new era of solar panel, solar panel and also the first domestic brand to do, insist on technology innovation, brand strategy, do the three major markets, it is our business policy, and Our flat, the leading trade association director Luo Zhentao to our tours, made ardent hope, hope that we continue to carry the good flat this banner, make bigger and stronger solar panel, solar panel to lead the development of this industry; In the core strengths, we have the talent, technology, manufacturing sales in the industry, including the advanced level. We work with China University of Technology, Sun Yat-sen to cooperate and set up in Guangdong province, the only research and development platform – Dongguan Solar Technology Research Institute, adhere to scientific and technological innovation; In particular, we recently had a very flat solar technology major breakthrough in flat panel solar industry, capture a large technical difficulties to solve the problem of flat solar antifreeze. Solve that problem, so that flat solar broader scope, greater market competitiveness, which will lead the overall flat-panel solar energy into a new era.

User: Hu total Hello, what do you think things can make a larger five-star international influence it?

Hu Guang-liang: We are the industry leader within the international market is, of course, a large international market, are related to various government policies to support, there is first of all to make the target market positioning, we determine the target market for the U.S. and Europe, and Australia market, then then a series of marketing mix strategies, starting with the product, we have to increase R & D investment in products and strength, the quality of our products can meet international advanced level, research and development to create a target market can adapt to various products, Also in the equipment, but also to achieve scale, automation, standardization of production, process-oriented. Also in terms of price, while vigorously to reduce costs, and reasonable pricing, our products cost-effective, with more strength and competitiveness of products and ultimately to the overall competitiveness of our competitors.

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Solar water heaters and different seasons with the South

Posted on January 13, 2012 by admin

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and different seasons with the South

Demand determine the market size, the booming solar market is its own advantages of s by the decision. Solar water heaters do not have gas, electricity, or electricity is not small, intelligent control, safe and reliable to use, fast and convenient, environmentally friendly and energy saving.

    Solar water heaters and the South

The source, then the root of solar water heaters should be in the north, and in the north to get a comprehensive application, the solar market is booming, people are bound to ask: Although the North with a good solar water heater, but for the South it? The answer is yes.

As the national government\\ s control, electricity and gas costs have a certain level of improvement, the purpose is to encourage people to use new energy sources, thus, the south of Guangdong, Guangxi and other regions of the solar hot situation. Demand determine the market size, the booming solar market is its own advantages of solar water heaters by the decision. Solar water heaters do not have gas, electricity, or electricity is not small, intelligent control, safe and reliable to use, fast and convenient, environmentally friendly and energy saving.

Some people think that just like solar water heaters in the south tasteless, tasteless gesture. The sun is good you do not want to use hot water in winter, but not want to use. In fact, this idea is completely wrong, large-capacity models of the solar water heater can solve this problem completely, they are water, thermal well, a full sun exposure may be a few rainy days in a continuous supply of hot water. Long rainy season can also use the auxiliary heating, power consumption is only conventional electric water heater 1 / 10, and the safety and long life. Meanwhile, the southern sun in winter and non-monsoon season is not less than the North, and the ambient temperature is high, even if the semi-cloudy day or half-day sun can shower. Now some manufacturers developed solar power can be achieved in the case of non-normal use of solar water heaters, temperature can be described as a sweeping change.

Secondly, Southerners in general have the habit of daily bathing, and water consumption. If long-term use of electricity, gas water heater, would cause great waste of energy. The large-capacity models of water heaters, water is generally 200 liters, equivalent to the water heater or gas water heater 5 to 20 hours produced by hot water, shower and tub for several people.

Again, we all know, in terms relative to the northern, southern life, the level of consumption is relatively high, to accept new things faster, long-term investment for the benefit of a solar water heater, the South generally accepted users. And as energy prices increase, solar energy is also more and more southerners welcome.

Although a variety of reasons, electricity, gas water heater market in the South pre-empted, and heavy use, but this does not affect the rising star of solar water heaters come from behind, but the South also has some well-known manufacturers of solar energy, and some have been developed over the past two decades, and now some manufacturers to enter the solar industry, solar manufacturers want to compete with the level of the North. At present, solar energy markets such as southern Guangdong, Guangxi is booming, huge potential, high consumption may be promoting it as the main battlefield of solar water heaters, research and design products for the South can be a great prospect.

Seasons with different solar water heater

Measure the performance of solar water heater is one of the merits of the thermal efficiency indicators, the so-called thermal efficiency is the per unit area within a certain period of time to absorb the energy and the ratio of global solar radiation. In particular, ambient temperature and solar water heaters, the greater the temperature difference, the more heat loss, the lower the thermal efficiency, so the measure of each quarter, the thermal efficiency are not the same. Thermal efficiency of the more stable, indicating the quality of solar water heaters more reliable.

Solar water heaters is the use of the sun to work, but overall several days each season to God \"face\", or overcast, or rain, rain, or foggy, not to mention the majority of the spring and summer precipitation, then we should borrow the auxiliary energy to meet the shortfall. At the same time, each season the Earth is not the same distance from the sun, at perihelion in summer and winter at aphelion. Perihelion when the solar radiation intensity is high, aphelion is relatively low, so under normal circumstances the heat capacity of solar water heaters in summer than in winter high.

Alternating seasons, orbits the Earth at a different location, the sun angle projected onto the surface of the Earth is not the same. Solar water heater collector surface and the angle of sunlight into the rays are not the same, and the vertical angle is the maximum thermal efficiency of solar water heaters, the best degree. However, the general solar water heater installation angle is fixed, which determines the water heater can not achieve the best efficiency of each season. Technical design of products generally consider high thermal efficiency in the winter because the winter temperature is low, and because at aphelion, this is conducive to the collector. At the same time, this design had a summer solar water heater hot water but not the phenomenon, but because the use of hot water in summer conditions are not harsh, this phenomenon is also no big problem.

Solar water heaters are long life and is closely related to seasonal changes in the environment. Under normal circumstances, air humidity, high temperatures, solar water heater stand, tank and so exposed to the air, over time, there will be corrosion and rusting. Winter is better, but the winter of pipe insulation is very important, especially pipe joints very demanding. Although the winter cold but also to bring some little trouble running their own, but once you have the right to use, does not prevent the user. Now many companies put forward a design standard for the winter, easy to use concept, as technology advances, the winter is not normal to use a big problem, the impact of solar water heaters by the season very much.

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Solar water heater is not heating the water for drinking

Posted on January 13, 2012 by admin

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is not heating the water for drinking

In daily life, why not drink with the heater heating the water? This is mainly because, whether it is solar water heater, or electric water heater, there is a tank, ever use water stored in it, over time may well be the breeding of bacteria, so contamination of the water before boiling. Under such circumstances, do not drink the water.

    Shanghai Ms. Zhang Q: A few days before the day is hot, I display the temperature of the solar temperature to 100 ?. I want to drink if the water heater, so that both energy-saving and convenient, can we not use them yet. Drink with a kettle of boiling water burning with solar water heater can not burn 100 ? the water drink it?

Zhejiang University School of Biological and Environmental Engineering, Professor Pan Lili A:

We heated water for drinking purpose is to eliminate the bacteria in tap water, so water is more sanitary, usually until boiling, boil will be assured of is to drink.

But in fact, as long as fresh water heated to above 70 ?, which can be completely killed the bacteria, and you can drink up.

As with electric kettle or electric water heaters, gas water heater, to heat, and water it does not matter whether the drink, in theory, with the water heater can heat fresh water to drink.

But in everyday life, why not drink with the heater heating the water? This is mainly because, whether it is solar water heater, or electric water heater, there is a tank, ever use water stored in it, over time may well be the breeding of bacteria, so contamination of the water before boiling. Under such circumstances, do not drink the water.

In addition, even if the water heater temperature to ensure that there are 100 ?, can not rule out the outlet pipe of plastic material is heated to release toxins.

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UV solar water heater off the assembly line

Posted on January 13, 2012 by admin

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UV off the assembly line

    By the Institute of Southeast University, Changzhou, Jiangsu public service platform and Sun Bao Co., Ltd. jointly developed new energy \"UV (ultraviolet) disinfection of solar water heater\" series of new products, recently off the assembly line in the city of Changzhou Science and Education. Successful application of this product \"UV sterilization\" technology, so that water heater sterilization rate of 95% or more.

    Ordinary solar water heater water in several days if not, the water will produce a variety of bacteria such as E. coli, Streptococcus, Bacillus, Salmonella, Giardia, Salmonella typhi and so on. Ordinary solar water heater to eliminate these risks posed by Jiangsu Solar Energy Co., Ltd., PO and science Research Institute, Changzhou City, Southeast University, set up a research and development center, successfully developed a \"UV sterilization solar water heater\", the product will be UV technology successfully used in solar water heater sterilization, sterilization rate of 95% or more, ensure that the final clean water harmless. It is understood that the product has won seven national patents. This year will form a production capacity of 200,000 units.

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Solar water heaters are not the better

Posted on January 13, 2012 by admin

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s are not the better

Solar water heaters not buy the bigger the better, buy a big price will be multiplied not only doubled, and will result in water waste.

    Recently, there have been of poor quality on the market for solar water heater, leaving significant risks. Recently, Guizhou Province Consumers Association issued consumer alerts, buy solar water heater must be \"four to see.\"

Provincial Consumers Association reminded of the solar water heater, a look at the effect concentrating collectors should buy as much as possible interference film using the world\\ s leading patented technology of the three high vacuum tube; second look at thermal performance, the choice tank, we should focus on look at the thickness of insulation and thermal insulation materials and processes; In addition, solar water heater depends on the bearing strength of the product, the selection process, to select \"streamlined tower bearing\", this stand can be wind, rain resistant snow, hail, and strong corrosion resistance; Finally, look at the product brand and service, the best choice for manufacturers of brand strength.

In addition, solar water heater is not to buy the bigger the better, buy a big price will be multiplied not only doubled, and will result in water waste.

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Qingdao lightning frequently blocks of solar water heaters

Posted on January 13, 2012 by admin

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Qingdao lightning frequently blocks of

    Reporters from the center of Qingdao Weather Bureau learned mine, the center of the city\\ s residential area recently, explosive mine sites and industrial and mining facilities for the inspection, the inspection process found that, compared with the mining industry and residential area there more security risks, lack of public awareness of lightning safety, some residential areas there are security risks.

Understanding of the situation, according to Mine Center, the city\\ s residential property more than 70% of lightning conditions up to standard requirements, there is illegal use of s, sun room and other facilities situation, BAN with lightning often useless.

Problems

Do not regularly check the state of disrepair

Bureau of Meteorology Mine Center, the official told reporters that they began in March of this year mine inspection, as there are already more than 400 units were examined, results showed that about one percent of which is not standard. \"Fortunately, mining enterprises and flammable and explosive places, residential area of ??the mine situation is not optimistic.\"

Inspection found that many of the urban area, lightning protection devices dilapidated unit, not for regular testing, equipment design, construction, non-standard, testing is not timely rectification of problems, some even refused to accept the test.

\"In addition to the city of Shenyang, a district is unified by the developer to install and allow us to produce drawings, the solar water heaters use less qualified.\" The official said.

Although most of the new district are equipped with lightning protection, but rarely put into use after the application for the inspection, some of the lightning protection device due to external or vandalism, lightning did not even come into effect. \"Residential property was told that money, they quit shaking his head.\"

It is understood that the cost of a mine detection, as the building body of the decision, a single building just a few hundred dollars to the body.

Many people always feel that they are distant lightning across, things just have to encounter more serious, it is reported, in a building inspection, Shandong Road, Building property has not cooperating, until last year suffered a lightning strike after lightning to find this center, set up their own requirements for lightning protection facilities.

Reporters visited

Solar water heaters with higher than lightning

Yesterday afternoon, the reporter first came Yan\\ er Island Road and East Road at the junction of a residential area to see, the roof area is only a few scattered solar water heater. Although the slope-style buildings, but reporters saw in the distance, the water heater on the roof height, or significantly more than the distribution of lightning in the roof with a height of four weeks. And east-west highway in the Rehe junction cell, the solar water heater on the roof can be seen everywhere, are standing high above the roof, higher than the lightning with a full half-meter.

The same situation also occurs in the four streams, No. 11, Road 221 Road No. 31, roof and Cing, almost every residential area of ??solar water heater, a roof over their height with lightning.

Experts warn

Facilities equal to the security of Disorder \"drawing lightning.\"

Lightning center of the experts told reporters, solar water heater has become quite common, but the public the wrong installation method will bring a great risk. Water heater installation height than the lightning protection zone, with equal protection from the lightning, if not any installed water heater next to the lightning rod, lightning strikes, lightning will follow the pipes into the room, who will be taking a bath or even hit the dead and damaged . For signal control line water heater, lightning induced electromagnetic pulse will line the road, destroying the solar water heater control system, and even wounded personnel.

Staff said, not the roof can not install solar water heaters and other devices, but must pay attention when installing these devices is more than lightning with a high degree, if more than lightning with a high degree, it is necessary to install a solar water heater next to the lightning rod, and connect to grounding. If the installation of TV antenna on the roof, awnings and other devices, but also pay attention to whether they meet the lightning protection standards, if they doubt, consult the Mine Center.

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Solar water heater was only 3 months quilt insulation package

Posted on January 13, 2012 by admin

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was only 3 months quilt insulation package

    Last May, Mr. Chen, who lives Wangchengpo special purchase of a common brand of . \"Who knows, after three months, holding on to die, large noon, hot water, at 9 pm on the cold was not a bath.\" Thinking still under warranty, then call the manufacturer Presbyterian, but the repairs did not last long after the boom. Repeated several times, Ch\\ en had this big guy wrapped in blankets, to enhance the insulation effect.

    As the solar water heater market is relatively confusion, Provincial Consumers Association received many complaints, the Provincial Consumers Association relevant staff told reporters that consumers encounter such cases in addition to complaints promptly call 12315, buy their own solar water heater, it should grasp \" four key \"to avoid unnecessary trouble.

    Buy solar \"four note\"

    Provincial Consumers Association staff, at time of purchase, consumers first look at the effect of concentrating collectors. Currently, there are two tubes on the market, one is using the traditional gradient membrane tube manufacturing process, has a \"high temperature, anti-cold, more efficient,\" features three high vacuum tube, which is the former alternative, the water heater heat gain increased by 30% solve the traditional tube light in the rainy days when water temperature is not high enough, the winter temperature drops when solar energy is not good to use more problem.

    Second, depending on insulation performance. Water heater tank is \"hot water storage.\" Not only look good holding tank insulation thickness, but also the thermal insulation materials and processes. Water tank insulation thickness in the tank insulation material impact force is an important parameter.

    Third, look at bearing strength. Solar energy stand as people\\ s \"skeleton\", the current application is more streamlined tower bearing, it uses an enhanced ultra-high base, rod holder of traditional customer service does not thin the lack of wind, wind, rain and snow resistant, anti-hail, corrosion-resistant.

    Fourth, look at the brand and services. Solar water heater host outdoors, exposed to the elements year round, needs professional repair and maintenance. The current domestic production of solar water heaters up to thousands of manufacturers, product quality varies greatly, some of the products quality tests, installation services are not in place, to the users trouble. Therefore, choose the strength of the manufacturers of the winning numbers are also important products.

    Solar not buy the bigger the better

    Provincial Consumers Association also prompt consumers to change the use of solar water heaters in error. Provincial Consumers Association staff noted that solar is not to buy the bigger the better. Buy a big price doubled, more can not afford to never use hot water. Reasonable method of calculation is the resident population by household water capacity, the family usually 50L / person, that according to (46-56) L / person calculated the most reasonable.

    Bought not only for water heaters and bath water should be the life of the protagonist. With hot water to remove pesticide residues in vegetables, washing dishes when the oil has the ability to efficiently, can make full use of laundry detergent, washing can be used to protect the paint.

    The use of solar water heaters in the winter is not good, can not use is a huge misunderstanding of consumers. Although the winter sun is not sufficient to produce the hot water temperature is low, but more than ten degrees higher than the water temperature, with a small amount of electric auxiliary heating, water heating than electricity or gas more economical electricity.

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Solar water heaters to prevent the six errors

Posted on January 13, 2012 by admin

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to prevent the six errors

The right to buy at the same time, the correct use of the concept is also very important and should be avoided \"six errors.\"

    Reporters recently learned from the Consumers Association of Guizhou Province, the last few days Provincial Industry and Commerce Provincial Quality Supervision Bureau of solar water heaters on the market thoroughly checked and found that both the behavior of the manufacturers or businesses are not standardized. To this end, the Provincial Consumers Association issued a consumer warning: the purchase of solar water heaters to grasp the \"four key\" to prevent \"six errors.\"

According to reports, the purchase of solar water heaters, concentrating to see the effect, should be used to buy as much as possible interference film world\\ s leading patented technology of the three high vacuum tube; second look at the insulation properties, select the incubator, we must focus to see insulation layer thickness, insulation materials and processes; three to see the bearing strength, should try to select \"Apply streamlined tower bearing\"; four watch brands and services, should try to choose the strength of the manufacturers of brand-name products.

The right to buy solar water heater at the same time, the correct use of the concept is also very important and should be avoided \"six errors.\" First, only need it a bath of hot water in winter, in fact, bath water temperature should be higher than body temperature can make the skin pores open and clean the skin effect will be good; Second, buy a water heater is only used to take a bath. In fact, not only can take a bath of hot water, but can be used to vegetables, washing dishes, etc.; three, with hot water than cold water to spend more money. From cleaning and sterilization of view, double the hot water arrived over five times in cold water, but is saving water; four, are heated with hot water to, to wait. Use of solar water heater to ensure hot water at any time at any time, without having to wait; five, can not use solar energy in winter, difficult to use, with a small amount of winter electric auxiliary heating, electric or gas water heater than the direct heating water to save a lot of electricity; six Solar buy the bigger the better. Reasonable choice is the resident population by household water capacity.

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Introduced into the high-strength corrugated pipe solar water heater

Posted on January 13, 2012 by admin

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Introduced into the high-strength corrugated pipe

Recently, the Beijing Science and Technology Co., Ltd. into the strong (strong into solar) launched its new series of solar water heater core strength, the series is equipped with three executives in the ordinary glass vacuum tube based on the modified outer tube over the high-intensity and efficient corrugated tube.

    At present, China\\ s solar water heater on the market of many manufacturers of solar products are all-glass vacuum tube-driven, and most of the products with a glass vacuum tube solar places three executives majority. Recently, the Beijing Science and Technology Co., Ltd. into the strong (strong into solar) launched its new series of solar water heater core strength, the series is equipped with three executives in the ordinary glass vacuum tube based on the modified outer tube over the high-intensity and efficient corrugated tube.

Solar tubes are generally divided into normal control and three executives, the biggest difference between the two heat-absorbing film is not the same, the three executives is the interference film, and general management is the gradient film. Film structure is different, leading to absorb the sun\\ s rays is not the same principle. Gradient film for multilayer films, the absorption layer is generally 9-layer, it is layer by layer to absorb the sun\\ s rays, and the performance of its absorption of light gradually becomes higher. Because of this gradient structure, the emission ratio increasing with increasing temperature, resulting in an operating temperature of 300 ~ 500 ?, the emission ratio increased significantly. And the absorption layer of aluminum ions in the high temperature state, the lively greatly enhanced, and drift. This film\\ s internal structure disorder, resulting in the film begin to age. Such a long period under high temperature, the film will fall off, thus affecting the vacuum tube collector efficiency and life. Interference film, the absorption layer 2 layer between two layers of film, because of the metal composition ratio of difference in the interference effect than increasing the absorption, emission than the lower. Coupled with anti-reflective layer to reduce the role of reflection in order to achieve higher and lower emission than absorption ratio, greatly improving the collection efficiency.

Strong into the core strength of the bellows with a series of three executives is based on the inner wall of the outer tube structure was modified so that in general three executives with high temperature, anti-cold at the same time have high absorption thermal efficiency and high strength characteristics. High-corrugated pipe in ordinary three executives, based on the uniform outer tube wall increased 18 special shape of the stripes, stripes and stripes will be formed between certain degree of curvature, convex mirror to achieve the effect of radiation from the sun into to the convergence effect, so as to enhance the absorption efficiency of the vacuum tube. In addition, each protruding stripes are able to play the role of mechanics in the support frame so that the outer tube of the shock tube is greatly enhanced, thus substantially increase the and the safety of the machine.

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