Vertical Type Flat Plate Solar Thermal Collector Magnetic blue coating
| Dimension / Size L x W x H (mm) | 2000 x 1000 x 80 |
| Gross area (m2) | 2 |
| Absorber / Efficiency area (m2) | 1.86 |
| Net Weight (kg) | 35 |
| Solar heat transfer fluid / Fluid capacity (l) | 1.8 (Water-Glycol 50%-50%) |
| GLAZING | |
| Number of covers | 1 |
| Cover material | Low iron tempered textured glass |
| Glass cover thickness (mm) | 3.2 mm |
| Cover transmission / Transmittance (%) | > 91 |
| ABSORBER | |
| Absorber material | Copper and aluminium plate |
| Absorber sheet | 0.3 mm aluminium fins |
| Surface treatment / Absorber coating | Imported blue titanium absorber |
| Absorptivity / Absorption | ≥ 95 ±2 % |
| Emissivity / Emittance | ≤ 4 ±2 % |
| Header material / size (mm) / quantity | Copper TP2 / Φ 22 x 1060 x 0.7 / 2 pcs |
| Riser material / size (mm) / quantity | Copper TP2 / Φ 8 x 1882 x 0.6 / 7 pcs |
| Max. working pressure / Recommended (MPa) | 0.6 / 0.20 - 0.4 |
| Test pressure (MPa) | 1.2 MPa, keeps 5 minutes |
| THERMAL INSULATION | |
| Insulation material | Rockwool |
| Insulation thickness (mm) / Back | 35 |
| Density (kg / m3) | 48 |
| Lateral insulation thickness (mm) / Side | 15 (Polyurethane foam) |
| Thermal conductivity (W/m°K) | ≤0.042(Average temperature 70Cº) |
| CASING | |
| Back plate / thickness (mm) | Embossed galvanized steel plate / 0.3 |
| Sealing gasket | Metal / EPDM |
Description:
Glass
Toughened glass (glazing) protects the absorber from the outside environment while allowing through >90% of sunlight.
Absorber
A thin sheet of Aluminium is coated with a highly selective material that is extremely efficient at absorbing sunlight and converting it into usable heat. The aluminium sheet is ultrasonically welded to the copper riser pipes.
Insulation
The insulation helps reduce heat loss from the sides and back of the collector. Made from ultra-light weight melamine foam this material is chosen to greatly reduce the weight of the collector.
Back Sheet
Embossed galvanized steel plate seals the back of the panel and adds to the rigidity of the collector.
Riser & Header Pipe
The header and riser pipes are brazed together to form a harp shaped heat exchanger that the solar system heat transfer fluid circulates through. The absorber sheet is ultrasonically welded to the riser pipes, thus transfers heat to the heat transfer fluid.
Aluminium Rails
Extruded from high tensile 6063 aluminium alloy, the rails form the outer framework of the collector and are designed with wings for easy mounting frame attachment.
Vertical Type Flat Plate Solar Thermal Collector Magnetic blue coating Working Principle
The selective coating on the inner cover of the evacuated tubes converts solar energy into heat energy and water in evacuated tubes the heat. When temperature rises along with density drops, and weight goes down, hot water will go up to exchange with cold water in tank. In this way, the temperature of the water in tank goes up.
Applications:
Domestic hot water for shower, washing. Solar Thermal, Project: such as School, Hospital, Hotel.
Competitive Advantage:
1. Suitable for domestic, dormitories, parks, hotels, schools, public showers, swimming pools, restaurants and other sites requiring for large hot water use
2. Flat plate solar collector presents a tube plate structure with a high efficiency, pressurized, insolation resistant, reliable quality with 15 years lifespan.
3. Suitable for open or closed Loop (glycol-water) active solar water heating system.
4. Flat plate is suggested to be used in non-frozen area, in frozen area, it is suggested to be used in active closed loop system with anti-freezing liquid for heat exchange.
5. Easy installation on slope or flat roof with little maintenance needed.
6. The high absorption: αs ≥ 92%, low emissivity: εh ≤ 10%, daily thermal efficiency ηd ≥ 55%
