High efficiency and energy saving blue film solar collector

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Choice is the use of plate type water heater (thermal performance report from Switzerland SPF testing center web site

Release test report).

As is known to all, water heater efficiency equation based on different reference area, the water heater efficiency equation

Each parameter is different, the difference is larger. As a manufacturer, usually need to be given total surface of the water heater

Product (area), lighting area, heat absorber area of three data, for the selection of the design. The base

In heat absorber area, general vacuum tube water heater is a little high, but because of its structure, its total surface

Product generally, based on the total area, plate type water heater is the best effect, the instantaneous efficiency

High above 50%, the total area of the water heater determines the number of water heater can be installed, so the comparison

, to achieve the same effect, flat water heater needed quantity minimum, the best return on investment.

Plate type solar water heater and vacuum tube solar water heater system

Thermal efficiency of solar water heater: tablet is higher by 52.5%, 47% low vacuum tubes.

The solar water heater price: tablet is higher, low vacuum tubes.

Solar energy water heater pressure: plate type can be confined, easy to make shower, vacuum tube socket

Pressure, easy to broken.

Solar energy water heater furring: flat type water heater drainage, not easy scaling, vacuum tubes

Bottom sealing, easy to scale, lower thermal efficiency.

The solar water heater durability: plate type high strength, durable, don't tube, hail

Have a flat glass protection, vacuum tube will touch bad, water supply, hot tube added cold suddenly

Water and explosive tube, hail damage valve itself directly.

Average thermal efficiency value of 1994-1997 national test. Plate type thermal efficiency is high

Reason: the vacuum tube heating surface is not completely, but also set aside for installation between between tube and tube


Can be seen in the above comparative analysis, flat plate solar water heater than the vacuum tubes of the sun

Can water heater is more advanced, with the development of economy and the demand of the energy conservation, the sun in our country

Can water heater will gradually to the plate type solar water heater, reached the international advanced solar

Energy-saving water standards

1.1 flat system

To develop energy-saving building at the same time, as the global flat-panel solar gradually replaced vacuum tubes

Solar energy, become a part of energy saving building core. Flat solar collector good appearance,

Rational layout, is the realization of the weight of solar energy and the building integration.

Plate solar collector is a kind of absorption of solar radiation energy and transfer heat to the working medium

The device, it is a special kind of heat exchanger, collector of working medium and the distance of the sun

For heat exchange. Flat-plate solar collector is a type of solar collector. is

By the heat absorbing plate core, shell, transparent cover plate, insulation materials and related components. The added

After circulation pipe, heat preservation water tank, namely become can absorb solar heat, make the water temperature to rise.

1.1.1 plate solar collector works

The basic working principle of plate solar collector is very simple. In a nutshell, the sunshine through

A transparent cover plate exposure to the surface coated with absorbing layer of endothermic body, most of the sun radiation

For absorber absorbed and transformed into heat energy, and to working medium in the fluid channel. In this way,

From the bottom of the collector inlet cold working medium, is heated by solar energy in the fluid channel, temperature one by one

Gradually rise, heated hot working medium, with useful heat energy from the top of the collector export, storage

Into the water storage tank for use, is the useful energy gain. At the same time, due to the endothermic body temperature rises

High, dissipating heat to the environment through the transparent cover plate and shell, constitute the flat plate solar collectors

Heat loss.

1.1.2 endothermic board

Endothermic board is flat solar collector to absorb solar radiation and heat transfer within the working medium

Heat transfer components, which is basically a flat shape.

The structure of endothermic board

On the flat shape of endothermic board, usually decorate a row tube and manifold. Exhaust pipe is refers to the suction

Hot plate parts vertically and fluid channel; Header is refers to the heat absorbing plate at both ends up and down horizontally

Connecting several row tube and a fluid channel parts. Endothermic board has a variety of materials, there is

Copper, aluminum alloy, copper aluminum composite, stainless steel, galvanized steel, plastic, rubber, etc. Endothermic board has

The following main structure form.

(1) tube plate. Tube-sheet heat absorbing plate is a combination of exhaust pipe and plate at a certain way

Pick up a heat absorption bands, and then to set up and down tube welding into a collector. This is at home and abroad

Using common type of endothermic board structure.

Solar energy research institute in wuhan city in 1986, one has the international advanced imported from Canada

Levels of copper aluminum composite solar production lines, make up a new flat collector technologies in China

The steps of the. The technology is a copper pipe between the two aluminum plate hot rolling together, however

After it with high pressure air blow molding. Article copper aluminum composite sun: the advantages of high thermal efficiency,

Hot rolling to metallurgical bonding between copper and aluminum plate, and no thermal resistance; Water clean, too

Yang contact water part of the article is copper, won't corrode; Ensure the quality, the whole production process

Now the mechanization, to ensure product quality; Compression capability is strong, the sun is to use high pressure air

The blow molding.

In recent years, the copper heat absorbing plate is gradually rise in our country, it is through the brass and copper

High frequency welding or ultrasonic welding technology to connect together. All copper endothermic board has copper aluminum composite too

Yang article all the advantages: high thermal efficiency, no combined with thermal resistance; Water clean, brass won't be rotten

The corrosion; Ensure the quality, the whole production process to realize mechanization; Compression capability is strong, brass can bear

By high pressure.

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Q:How to promote the use of solar energy in China
In this regard, the government should do a lot of work, industry associations have also made the relevant advance
Q:How to develop solar photovoltaic industry
From the current technology development and application prospects, I believe that solar energy has the most opportunity to become the world's major alternative energy sources. 1, the whole world light is rich in resources, solar energy is inexhaustible, inexhaustible solar energy; 2, technology and talent in the world of IT technology talents emerge in an endless stream, transferred to the solar technology, solar photovoltaic industry and the IT industry is very similar to that of solar grade polysilicon and electronic grade polycrystalline silicon thin film technology is the extension of a. From the LCD technology, therefore, the solar photovoltaic technology upgrading is very fast, the power generation efficiency of photovoltaic cells is also more and more high, more and more low cost at the same time, smart grid and energy storage technology will further enhance the application of solar energy, the development of space is very large, and is not affected by resource constraints and resource prices, if a stable price support, can maintain long-term fixed income, therefore, the solar power industry as the development of financial products, insurance funds will be favored;
Q:How to do a good job of solar water heater marketing?
First, environmental protection: vacuum tube solar water heater purchase tips. According to the calculation, each household solar water heater during its 15 years of use, will reduce the coal to atmospheric carbon dioxide emissions of 26 tons, 136 tons of carbon monoxide, dust 1120 tons, 352 tons of sulfur dioxide, 908 tons of nitrogen and hydrogen compounds, this is not a small number of residents in our Province, in the subtropical zone. Suffering from the hot days of suffering, such as the province's residents are using solar water heaters can reduce the average temperature of 1 degrees, so the use of solar energy, make the sky bluer, mountains greener, the water clearer, gas cooler, is an effective measure of green environmental protection.
Q:The advantages and disadvantages of solar energy?Want to buy solar energy solar energy what is bad? Know about
3, placed the location of stress, angle, sunlight time, the surrounding environment is not easy to miscellaneous. Although the outside component is made of toughened glass, but also can not afford to toss the firecrackers. And aroundIf there is debris, easy to cause the "island effect" causes the component to burn oh.
Q:What are the current domestic solar energy products, which practical
Our use of solar energy can be roughly divided into two types of light and heat conversion and photoelectric conversion, in terms of household solar water heater and solar photovoltaic power generation.The solar water heater is widely used, manufacturers have Wuxi Suntech, linuoruite, Himin Solar energy, I think the emperor of the more, certainly not bad.
Q:Solar energy has some disadvantagesDetailed description of the problem, to help the respondents give accurate answers
Disadvantages of solar energy:The use of solar energy has its drawbacks:First, the current density is low, the sun is better, the ground floor area of 1 square meters of energy received only about 1 kilowatts. It is often necessary to set up a large number of lighting surface to meet the use requirements, so that the large area of equipment, materials, cost increases.Second, the greater the impact of the atmosphere, to bring a lot of difficulties.
Q:Solar energy items in daily life
Solar ice pad, solar panels, solar street lights, etc., are living in the solar green energy-saving products.
Q:Solar panels can be charged directly to mobile phones and other products
. Cell phone lithium battery? Do you mean to put the mobile phone lithium battery on the solar panel? Do not Oh, can not be achieved, the direct use of solar panels charge mobile phone battery, then a little dangerous
Q:Solar garden lamp product parameters
Rainy days guarantee: can work continuously for more than 15 rainy days (regional / seasonal different) (can be made on request)Without the need for laying underground cables, without payment of lighting, key components of solar panels, solar garden lights the solar street lamp intelligent controller, DC maintenance free storage battery and a lighting lamp through the national development and Reform Commission, the world bank /GEF/ photovoltaic products certification. The utility model is mainly suitable for the lighting and lighting of the city road, the small square, the industrial park, the scenic spot, the park green belt, etc..
Q:Solar heating easy to use? Has anyone used it
Advice do not believe! Solar heating is just a concept in china. In theory, in northern China, walls, windows and doors insulation to do a very good case, a square meter of solar collectors up to 3 square meters of heating area. If your house is 90 square meters, according to this calculation, you need to have 30 square meters of solar collector area

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