Solar Collector

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Product Description:

solar flat plate collector

Type black-B


Dimension(LxWxH)  (mm)                   2000×1000×80

Gross area (m²)                                     2

Efficiency area (m²)                               1.85

Gross weight of collector (kg)              29±3

Thermal efficiency(ηa0)                        0.75

Stagnation temperature                        180°C

Max.working pressure                           1.2Mpa

Recommended circulation flow           Water or propylene glycol

Resistance to freezing                           Less than or equal to 0°C


Transparent cover


Number of cover (pc)                             1

Dimension LxW (mm)                           1980x980

Cover material                                         Low-iron tempered glass cover

Cover thickness (mm)                           3.2


Absorber


Dimension LxW (mm)                          1945*945

Material                                                    Cu & Al

Surface treatment                                  Black chrome Coating

Absorptivity:                                             0.94±0.02

Emissivity:                                               0.09±0.02

Construction type                                  aluminum sheet and Tube, Laser welding

Header material Copper                     Tp2

Header tube size (mm)                        Ø22x0.6x1060 2pcs

Riser material                                        Copper Tp2

Riser tube size (mm)                            Ø8x0.45x1883 8pcs

Fill capacity                                            1.6L Including Header Pipes


Thermal insulation


Insulation material                               16K Fiber glass insulation (back)

Insulation thickness                             30mm (back)  25mm (side)

Conductivity(W/mK)                              Less than or equal to 0.042 under 75°C


Casing


Frame                                                     Aluminum Alloy

Frame Color                                          Silver

Back Plate                                              0.5mm Aluminum back plate


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Q:What is the classification of solar collectors?
According to the use of hot plate materials are: copper collector plate, copper and aluminum composite collector plate, aluminum collector plate
Q:Vacuum tube for solar collectors
Start fast: heat pipe heat capacity, in the sun a few minutes after the output of heat; and in the cloudy weather, than other water heaters can produce more hot water.
Q:Flat solar collector how, flat solar collector working principle introduced
The installation of the system search should ensure safety and functionality while taking into account the combination with the building.
Q:What is a trough solar collector?
As a high-temperature collector, can get a higher collector temperature, can be used for power generation, refrigeration and air conditioning, heating, desalination and other production and living areas.
Q:The characteristics of flat solar collectors
Flat solar water heater advantages: First, particularly suitable for integration with the building requirements. Flat solar water heater because of its structural characteristics of the plane, in the integration of solar energy applications, the shape of flexible structure, the design is not subject to the shape or size of the constraints,
Q:Solar collectors and tank water can not cycle what is the reason
If the exhaust valve is not installed, theoretically through the collector outlet pipe directly discharged to the tank, the water part of the pipeline gas block the possibility is not large.
Q:Flat solar collector is a good blue film, or good black chrome? It is best to specify.
The absorption ratio α and the emission ratio ε of the black chromium coating are 0.93-0.97 and 0.07-0.15, respectively, and α / ε is 6 to 13, and has excellent spectral selectivity.
Q:What is the solar collector
Because of the different use, the collector and its matching system type is divided into many kinds, the name is also different, such as cooking for the solar cooker, used to generate hot water solar water heater, dry items for the solar dryer, for Melting metal solar furnace, as well as solar houses, solar thermal power plants, solar desalination and so on.
Q:What is the principle of thermal conversion of solar collectors?
According to heat transfer media classification: can be divided into liquid collector and air collector two categories, of which the liquid for the heat medium for most of the water as a medium, that constitutes a variety of solar water heaters; air for the heat transfer medium, It constitutes a variety of solar dryers. The core of the solar collector is the heat sink, which functions to absorb the radiant energy of the sun and transfer heat to the heat transfer medium. In the liquid as the medium, the heat-absorbing plate tube plate, wing tube, flat box, snake tube, etc., can be made of metal materials and non-metallic materials. The sunscreen surface of the heat-absorbing panel is coated with a black endothermic coating. The structure of the solar collectors for the heat transfer medium is often in the form of mesh, honeycomb and porous beds.
Q:About centralized solar water heater
passes through the solenoid valve or the collecting system circulating water pump under the control of the control system to run automatically, The hot water in the collector will be transferred to the

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