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Specifications
Fast start-up due to small thermal capacityLow heat loss due to thermal diode effect
High vacuum with long-tem stability
Construction and working principle:
JIADELE solar collector header pipe adopts popular easy plug-in construction. The heat pipe ports are brazed to the header pipe forming lots of contours which produce turbulent water flow enhancing heat transfer. The heat pipe ports are molded to match the shape of the heat pipe condenser so that the contact area will be maximized. When heat pipe insert into the header pocket, condensers closely and completely contact with the header ports. Besides, thermal heat conduction grease(thermal paste) is applied to the condenser to further enhance heat transfer. When the heat pipes working, the manifold is exposed to high temperature. The expansion of the condenser plus the heat conduction grease result in the heat pipe being firmly held in place. It ensures excellent heat transfer of the solar collector. Copper temperatures sensor port also is brazed directly to the header pipe at the outlet which guarantees accurate temperature measurements.
Water Scale:
We could manage our products corrosion resistance but water scale is inescapable. For good water condition areas, it is slight and has no influence on the normal using. But in hard water regions, it is better to use water purifier to clean the water first before pump the water into solar collectors. And using pure working medium is another efficient method. In this case, solar collectors and the coil inside the water tank form a close loop system and it can convery heat energy to water tank and transferred. The water or medium inside this system is not for daily using but only for exchange heating.
Heat pipe
Rock Wool Insulation
Rock wool (mineral wool) is a man-made fibre that made of selection basalt, diabase plus certain proportion of auxiliary material via high temperature melting and other manufacturing procedures. It has many excellent characters like noncombustible, non-toxic, light weight, low thermal conductivity, well sound absorption performance, insulation, good chemical stability and long service life and so on. It is recognized as the ideal insulation material in the world.
Following is some of its technical specifications:
* Coefficient of conduction K = 0.026~0.035 W/mK (normal temperature);
* Slag nodule content <10% (grain dia. around 0.25mm);
* Non-flammable belong to A grade;
* Dia. of the fibre is around 4 ~ 7 µ;
* Working temperature range -268 ~ 700 Celsius degree (- 450 ~ 1292 Fahrenheit);
Manifold casting and frame
Manifold Casing
The manifold casing serves two main purposes, protecting the copper manifold and rock wool insulation from the natural, and making the collector attractive and neat. The casting is made from great corrosion resistant grade aluminium-alloy(2.00mm thickness) with options of matt black or silver grey. (This picture shows silver grey)
Mounting Frame
JIADELE provides customers three types of solar collector frames to make sure our collectors can be installed on majority roof surface with full range of roof angles. According to different installation site condition, we provide most suitable material including aluminium alloy, stainless steel and galvanized steel with powered painting. In some seaside area, the air humidity and the chlorine ion content in the air are always high in most times over the year, stainless steel will easy be rusted and the aluminium alloy and galvanized steel with powdered painting will be better.
A) Standard frame: It is used in flush installation on a pitched roof. The front tracks are secured to a tiled roof using straps, rubber pads or round feet, depending on the roof's surface.
B) Tilt roof bracket: In some case the pitched roof angle is lower than the optimal installation needed. Tilt roof bracket will be used to increase the angle of the solar collector.
C) Flat roof bracket: Its construction is similar with tilt roof bracket but considered the stability installing on the ground even more. All frame components, including bolts, washers and nuts are made from stainless steel.
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