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Heat Pipe Solar Collector
Heat pipe solar collectors are heat exchangers that carry heat based on the phase change of the heat pipe working fluid. this kind of copper heat pipe solar thermal collectors aimed to increase the operating temperature range of solar collectors by changing the phase of the working fluid in the heat pipe at low temperature.
PRODUCT DETAILS
| Evacuated Tube Heat Ppie Solar Collector Technical Parameters | |||||
| Specification | PIONEER-15 | PIONEER-18 | PIONEER-20 | PIONEER-24 | PIONEER-30 |
| Absorber Area(m²) | 1.995 | 2.349 | 2.66 | 3.192 | 3.99 |
| Aperture Area(m²) | 1.405 | 1.686 | 1.874 | 2.248 | 2.811 |
| Gross Area(m²) | 2.451 | 2.915 | 3.224 | 3.482 | 4.769 |
| Connection Diameter(mm) | 22 | 22 | 22 | 22 | 22 |
| Collector Capacity(L) | 0.9 | 1.1 | 1.2 | 1.4 | 1.7 |
| Test Flow Rated(ml/s.m2) | 450 | 379 | 342 | 287 | 232 |
| Heat Transfer Medium | Pure Water/Glycol | ||||
| Angle of Inclination(°) | adjustable and non-adjustable(15-90°) | ||||
| Typical Operating Temperature(℃) | -40℃≤T≤130℃ | ||||
| Max. Stagnation Temperature(℃) | ≥230℃ | ||||
| Max. Operation Pressure(MPa) | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 |
| Thermal Performance | |||||
| Efficiency Equation | η0=0.681-1.60Ti*-0.006GTi*2 | ||||
| Peak Efficiency (based on aperture area) | η0 0.795 | ||||
| Yield Forecast(kWh/m²a ) | 579 | 579 | 579 | 579 | 579 |
| Manifold Casing | |||||
| Manifold Material | 6063 Aluminum Alloy | ||||
| Color | Silvery white or black | ||||
| Insulation | |||||
| Material | High Density Compressed Rock Wool | ||||
| Insulation Factor | K-factor: 0.03 W/(m.K) | ||||
| Evacuated tube | |||||
| Specification of Evacuated Tube(mm) | Φ58×1800 | Φ58×1800 | Φ58×1800 | Φ58×1800 | Φ58×1800 |
| Gap Between Tubes | 75 | 75 | 75 | 75 | 75 |
| Number of Evacuated Tubes | 15 | 18 | 20 | 25 | 30 |
| Vacuum Tube Material&Size | High Borosilicate 3.3 glass/58*1800mm | ||||
| Absorber Coating | 【Cu/SS-ALN(H)/SS-ALN(L)/ALN】(Three Target) | ||||
| Coefficient of absorption | 0.93-0.96> 92% (AM 1.5) | ||||
| Coefficient of emission | 0.04-0.06(800C±50C) | ||||
| Heat Pipes& Heat Transfer Fins | |||||
| Working Medium | Super Conductivity Technology | ||||
| Operating Pressure(mm) | 0.7Mpa(max operation pressure) | ||||
| Startup Temperature | ≤30℃ | ≤30℃ | ≤30℃ | ≤30℃ | ≤30℃ |
| Copper Type | TP2 | TP2 | TP2 | TP2 | TP2 |
| Evaporation Part Diameter(mm) | Φ8mm | Φ8mm | Φ8mm | Φ8mm | Φ8mm |
| Condensation Size(mm) | Φ14/24mm | ||||
| Heat Transfer Fins | 3003 Aluminum Alloy | ||||
| Silicon Ring | |||||
| Material | Silicon Rubber | Silicon Rubber | Silicon Rubber | Silicon Rubber | Silicon Rubber |
| Density | 1.1 Mg/m3 | ||||
| Packing | |||||
| Standard Packing | Foam and cardboard carton | ||||
| Net Weight(kg) | 51 | 60 | 66 | 82 | 99 |
| Gross Weight(kg) | 62 | 72 | 80 | 100 | 115 |
| QTY in 40FT Container(pcs) | 260 | 220 | 200 | 160 | 130 |
Evacuated Tube Heat Pipe Solar collector
High performance
The Riwatt solar heat pipe adopts a different heat transfer mode from the traditional copper-water heat pipe，The heat transfer capacity of a single heat pipe is not limited, which can meet the large heat transfer requirements of CPC solar collectors.
Long life
The internal pressure of Riwatt temperature-controlled solar heat pipe is positive pressure (that is, higher than atmospheric pressure), there is no life problem caused by reduced vacuum, the effective life of the product is greater than 15 years.
Evacuated Tube Heat Pipe Solar collector Features:
The design of the PIONEER solar collector is a culmination of nearly 15 years of feedback from installers and solar professionals all over the world and aims to meet their requirements with the features as below::
● Easy and Safety Packing design
● Lightweight manifold and bracket design
● Anodized Aluminum Alloy mounting frames
● Extremely reliable header design, less brazing points
● All glass wool insulation for high temperature stability
● Extreme cold resilience (freeze protected heat pipes)
● UV stabilized components
● High wind load strength and High snow load strength
● Easy plug-in installation
How Evacuated Tube Heat Pipe Solar Collector Works:
The PIONEER solar collector is comprised of four main construction parts:
Evacuated Tube
Absorbs solar energy and converts it to usable heat. Vacuum between the two glass layers insulates against heat loss.
Heat Pipe
Copper vacuum pipe that transfers the heat from within the ET up to the manifold.
Manifold
Insulated box containing the copper header pipe. The header is a pair of contoured copper pipes with dry connect sockets that the heat pipes plug into.
Mounting Frame
Strong and easy to install with various options to match different mounting methods.
