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Help CenterThree-target All Glass Double Vacuum Tube Solar Water Collector
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Specifications
1.high effective low price with heat pipe2.certificate CE china patent
3.OEM is available
4.18 years solar manufactur
Specifications
1. No water in the full-glass heat tube.
2. The working medium is gasified to heat a condensing section so as to finish the heat exchange with water in the connection collector.
3. The solar heat collector has the characteristics of quick start,.
4. High efficiency.
5. One-way heat conduction and high anti-freezing property.
|
Type
|
All glass double vacuum heat pipe |
|
Structure
|
Full-glass double-tube coaxial structure |
|
Material
|
Borosilicate glass 3.3 |
|
Outer Tube Diameter
|
Φ47±0.7mm &=1.6mm Φ58±0.7mm &=1.6mm |
Inner Tube Diameter |
Φ37±0.7mm &=1.9mm±0.5mm Φ47±0.7mm &=1.9mm±0.5mm |
|
Length
|
Φ47-1500mm Φ58-1800mm |
Condensing Section Length |
Φ47-1500mm &=120mm±5mm Φ58-1800mm &=150mm±5mm |
|
Base Material
|
SS/Al/Cu |
|
Deposition Method
|
Triple-target DC reactive magnetic sputtering |
|
Absorption Ratio after Coating
|
0.92-0.95(AM1.5) |
|
Absorption Ratio after Vacuum-pumping
|
0.90-0.92(AM1.5) |
|
Emission Ratio
|
0.04-0.06(80°C±5°C) |
|
Vacuum jacket in inner tube and outer tube
|
P≤1.0×10¯³ (Pa) |
|
Vacuum jacket in inner tube
|
P≤3.0×10¯³ (Pa) |
|
Stagnation parameter
|
Y=260-300 sq.m.°C/KM |
Average Heat Loss Coefficient |
ULT= 0.4-0.6w/(sq.m .°C) |
|
Solar irradiation for obtaining a preset water temperature rise in an all glass evacuated solar collector tube under stagnation
|
H=3.7-4.2 MJ/ sq.m.(58mm) H=2.9-3.2MJ/sq.m.(47mm) |
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