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Higher efficiency double glass vacuum tube
- 30000 Piece / Pieces per Month
- Qingdao
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Product Details
Place of Origin: | Shandong, China | Brand Name: | Shandong Guangpu | Model Number: | 47mm-1500mm-2. 58mm-1800mm-2 |
Type: | Vacuum Solar Collector | Application: | Water Heater | Pipe Material: | Glass |
Product Description
Specifications
1. High pressure withstanding ability2. High absorption efficiency
3. CE ISO9001:2008
4. Stable and ageing-resistant coating
These patented tubes offer faster heating and lower heat loss since there is an exchange of steam instead of water. Using gaseous diffusion instead of liquid effusion prevents the formation of ice and residue in temperatures as low as -40?C.
All-glass heat pipe is manufactured by Guangpu Solar Energy Project Co.,Ltd, a leading manufacturer of all-glass evacuated solar collector tubes in China. There are two vacuums in an all-glass heat pipe, the one in the inner tube and the one between the inner tube and the outer tube. The inner tube absorbs the solar energy, which is transferred to heat. The temperature in the inner tube rises up and the liquid in the inner tube evaporates. The gas rises up to the condenser where it transfers the heat to the water in the tank, so the gas loses its heat and changes into liquid which then flows down to the bottom of the tube because of the gravity. Such a circulation will continue as long as the sun shines. Here is the specifications of All-glass heat pipe:
All-glass heat pipe |
|
Manufacturer | Guangpu Solar Energy Project Co., Ltd |
Structure | All-glass coaxial twin-glass tube |
Material of tube | Borosilicate 3.3 |
Outer tube diameter(mm) | Φ47±0.7 |
Φ58±0.7 | |
Inner tube diameter(mm) | Φ37±0.7 |
Φ47±0.7 | |
Outer tube thickness(mm) | 1.6 |
Inner tube thickness(mm) | 1.6 |
Length(mm) | Φ47*1500 |
Φ58*1800 | |
Length of condenser(mm) | 125mm±5mm(Φ47*1500) |
145mm±5mm(Φ58*1800) | |
Material of coating | SS-AlNx/Cu |
absorption efficiency | 0.90-0.95(AM1.5) |
Launch ratio | 0.04-0.06(80°C±5°C) |
Degree of vacuum between the outer and the inner tube | P≤1.0×10-3 (Pa) |
Degree of vacuum in the inner tube | P≤3.0×10-3 (Pa) |
Average heat loss coefficient | ULT =0.4~0.6W/(m2°C) |
Stagnation parameter | 260-300m2.°C/KM |
Hail resistance | Hail diameter≤Φ25mm |
Solar radiation under stagnation | 2.9~3.2MJ/m2(Φ47mm) 3.7~4.2 MJ/m2(Φ58mm) |
Contact Us
- Shandong Guangpu Solar Energy Project Co., Ltd.
- Contact namexinjiang chi
- Phone86-632-5665199
- AddressNo. 156, Shanguo South Road, Tengzhou
All-glass solar heat pipe | Four-cavity evacuated tubes | New Products | Solar collector |
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