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:PV solar products market sales
According to the State Administration of taxation policy released last year, from October 1, 2013 to December 2015 3l, according to the 3% levy rate calculation. In Takamatsu as an example, if a month sales of 30 thousand, that he should pay the tax is 30 thousand x 3% x 50%=450 yuan.Residents issued 1 kwh of electricity, the state subsidy of 0.42 yuan; the national standard for the purchase of electricity from the desulfurization of residents with endless self generating electricity, the price is $0.42 per degree. To install and use a set of distributed photovoltaic power generation system with an average of 1 kilowatts of installed cost about 10 thousand yuan, if the 8 kilowatt system daily generating capacity of 30 degrees, 5 degrees every household consumption (no more than a price of 0.52 yuan), about 8 years to recover the investment
Q:How much can the domestic high - temperature solar collector reach
The tower system, Zhongxingpengyue pattern, looks very spectacular, is the image project of solar thermal power generation love. Its size is limited to 10~20 megawatt level, the use of special, very limited usefulness. The tower system operating temperature 600~1000 degrees Celsius, there are several foreign demonstration projects, the home also has heard, but I do not know the specific progress to that stage, both at home and abroad have not heard of commercial operation successfully.Dish type system, the operating temperature of 700~1400 degrees Celsius, stand-alone dozens of kilowatts, the system 5~25 mw. Due to the small machine, a large number of prototypes developed at home and abroad, but also did not hear of a successful large-scale commercial operation example. Due to the use of Stryn hot gas engine, its manufacturing technology requirements are high, greatly limiting its development.
Q:Solar energy product development prospects?
2 domestic solar water heater market development problems, intense competition. 2010 in the first half, the solar water heater industry ushered in the most severe market test, the number of manufacturers dropped from last year's more than 5 thousand to the current more than 2 thousand and 800. There are relevant data show that nearly 80% of the solar water heater companies have varying degrees of decline in sales, inventory increases and other issues, solar water heater industry's profits are getting lower and lower. In nearly 6000 domestic solar water heater business, really have the scale of production and R & D capabilities of enterprises less than 20, the rest for some local small workshops and brand-name enterprises. However, the quality of product inspection management, backward production technology, low price dumping, Jerry phenomenon in these small enterprises, resulting in solar water heater market order and chaos, there are many hidden dangers.
Q:How to open solar stores
There is a solar dealer, in the local solar market, can be described as a coup. Use the bus as a propaganda tool, bus station, the first sentence is: "a certain store solar power station to remind you:" in the caption on the bus, he hit the store's telephone and communication; on the phone 114, the opening of the new building signs, banners, and even background cloth Online shopping, playing a certain solar energy store. In view of the store is more than the target customers, the dealer also sent a trick to go back and forth to its store expenses reimbursement, in this way, the customer into the store. With the help of external forces, a good manufacturer of this card. Dealers in the choice to join an industry, have to go through thousands of pick million, so that the industry has the impact of brand agents.
Q:Household solar energy productsThe product can be used at home, do not mention the solar energy, answer the water heater
Solar thermal products are solar water heaters, as well as solar heating systems (usually in the North). Solar water heaters are used in several sets of hot plate, the more common is flat solar and vacuum tube solar two, the former used more in the south, the latter used more in the north.
Q:Outdoor solar energy products how to process the level of IP65
Third, the less the number of parts as possibleFourth, when the whole is a way to allow glue
Q:Solar electric vehicle charging device
Performance characteristics of solar charger for electric vehicle:1 suitable for 36V, 48V configuration of the electric vehicle voltage conversion2 unique electric vehicle battery repair function, because of its continuous battery to supply electric power to prevent and remove the battery plate sulfide, recovery of battery capacity, prolong battery life, reduce the economic burden of the users.3 using the level of intelligent tracking system, the use of a new track concept, to achieve a day in the system of the sun's automatic tracking, improve the photoelectric conversion rate, increase the power supply to the battery.4 unique overvoltage protection technology to ensure the safety of charging equipment.
Q:How much does it cost to install solar energy in rural areas
The question is more ambiguous, the installation of solar energy in rural areas there are many kinds of circumstances, is not used all year round, is not the villa type, is not the need for surfing the bathtub?Install solar energy in rural areas, the number of homes decided to install what kind of solar energy.
Q:What about solar products?Solar panels solar panels
Solar photovoltaic products: photovoltaic modules and photovoltaic components, modules and components of rural production equipment, photovoltaic power generation system, photovoltaic equipment installation and accessories, grid connected photovoltaic system and photovoltaic transmission and distribution equipment; photovoltaic power / battery, charger, controller, inverter, water pump, solar power system equipment, solar energy conversion equipment, fuel cell, silicon solar cell, thin film solar cells, silicon single crystal silicon cell / raw materials, photovoltaic panels, glass cutting machine, testing equipment, various kinds of stove; wind solar diesel battery hybrid power systems, solar desalination system, solar photovoltaic electric vehicles, hydrogen production system, photovoltaic power generation system of computer application software; testing equipment of photovoltaic power generation system.
Q:Good solar polymer or monocrystalline
Spark solar energy products are also exported to many countries and regions such as Italy, Hongkong, Taiwan, the United States, Japan, Korea, Germany and other regions. After years of continuous development and improvement, not only to ensure good quality requirements, and won the domestic and foreign business partners to praise and affirmation. Stand on your point of view the factory must promise: fast delivery! Quality assurance! Price service is good. This season can undertake a large number of solar panels. This product can be customized for the price can also be agreed! Welcome to inquire or visit our company to discuss cooperation!

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