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20tubes Evacuated Tube Solar Thermal Collector, Vacuum Tube Solar Thermal Collector

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Product Detail

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Product detail:

  Evacuated Tube Solar Thermal Collector

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Working Principle of Thermosyphon:

 


Evacuated tube solar thermal collectors consists of a vacuum tube, a heat pipe, a metal heat absorption wing and the connecting manifold. The metal heat absorption wing with selective absorption coating converts solar energy into heat energy and transfers it medium liquid inside. The vacuum between the two glass tubes works as insulation. The liquid in the heat pipe changes into vapor which rises to the condenser. When passing through the heat exchanger, the heat is absorbed and the temperature is lowed, and the vapor becomes liquid, returns to the base of the heat pipe. This transference of heat is a continuous circulation as long as the collector is heated by the sun.

 

 

 Specifications:

 

 

1)Vacuum tube: Twin-glass with three target coating of ALN/AIN-SS/CU

2)Manifold material: Aluminum alloy, thickness: 2.0mm

3)Copper header pipe: TP2 cooper, thickness: 0.8mm thickness, diameter :34mm, size:1/2"

4)Heat pipe length: 1.7m, thickness: 0.6mm   Condenser length: 60mm,diameter: 14mm, TU1 cooper

5)Heat transfer fin:  3003 anti-corrosive Aluminum alloy fin , thickness: 0.25mm, length: 1620mm

6)Insulation layer: Compressed rock wool, thickness: 40mm

7)Frame: Aluminum alloy with plastic spraying, thickness: 1.8mm

 

 Data for 20tubes evacuated tube solar thermal collectors:

 

20tubes Evacuated Tube Solar Thermal Collector  

Model

JHC-5818-20

Physical Specifications

Overall Length

1970mm 

Overall Height

135mm  

Overall Width

1565mm 

Absorber Area

1.609m2    

Aperture Area

1.876m  

Gross Area

3.091m2  

Gross Dry Weight

66.5kg    

Fluid Capacity

1.2 l      

Max Operating Pressure

800kPa    

Max Operating Pressure

< 220oC 

Performance Variables (absorber area)

Eta0 (y-intercept)

0.751

a1 [W/(m2K)]

2.57

a2 [W/(m2K2)]

0.007*

Heat Capacity [kJ/)(m2/K)]

0.0036

Peak Power Output

1198W   

Key Material Specifications

Evacuated Tubes

Borosilicate 3.3 Glass

Coating

ALN/AIN-SS-Cu

Heat Pipes

High Purity Copper

Heat Transfer Fins

Aluminum

Rubber Components

HTV Silicone Rubber

Mounting Frame

Aluminum Alloy 2.0mm

Manifold Casing

Aluminum Alloy 2.0mm

Installation Guidelines

Max Flow Rate

15L/min  / 3.9gpm

Max Tubes in Series

150 tubes

Install Angle Range

20-70o

 

 

 

 

 

 

 

 

 

 
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