Solar Collector
Parabolic Trough Solar Collector
Concentrated solar collector for industrial heating and steam generation.
- Single-axis trackingFollows the sun for maximum daily yield
- High concentrationDelivers steam or thermal oil up to 250°C
- Modular rowsScales from kilowatts to megawatts
- Rugged steel frameBuilt for harsh outdoor environments
| Type | Parabolic trough |
|---|---|
| Application | 150°C – 400°C |
| Feature | Steam generation |
| Mounting | Ground |
Product Introduction
The parabolic trough solar collector concentrates direct sunlight onto a linear receiver tube using a single-axis tracking reflector. It is designed for medium-to-high temperature applications such as steam generation, thermal oil heating, and industrial process heat.
Our trough systems are engineered with galvanized steel structures, high-reflectivity aluminum mirrors, and vacuum-insulated receiver tubes to deliver reliable performance under high wind and sand-load conditions.
Typical installations include solar process heat plants, enhanced oil recovery (EOR) demonstration systems, and concentrated solar power (CSP) pilot projects.
Main Features
- Parabolic reflector with ≥92% specular reflectivity
- Vacuum-insulated stainless-steel receiver tube
- Single-axis solar tracking with GPS control
- Galvanized steel torque tube and support structure
- Wind load rated up to 28 m/s in stow position
- Remote monitoring and fault alarm via PLC
Specifications
| Model | Aperture Width | Focal Length | Row Length | Gross Area | Max Temp |
|---|---|---|---|---|---|
| EP-PT2.5 | 2.5 m | 0.95 m | 6 m | 15 m² | 250°C |
| EP-PT3.0 | 3.0 m | 1.10 m | 12 m | 36 m² | 300°C |
| EP-PT4.0 | 4.0 m | 1.45 m | 12 m | 48 m² | 350°C |
Item Details
Tracking System
- Drive mechanism
- Slewing drive or linear actuator with encoder feedback.
- Control
- PLC with sun-position algorithm and wind/snow stow logic.
- Accuracy
- Tracking accuracy ±0.5° ensures high optical efficiency.
Receiver Tube
- Glass envelope
- Borosilicate glass with anti-reflective coating.
- Absorber
- Stainless-steel tube with high-temperature selective coating.
- Vacuum
- High vacuum between envelope and absorber minimizes heat loss.
Project Engineering
- Layout design
- Row spacing and shading analysis provided.
- Hydraulics
- Manifold and pump sizing for thermal oil or water/steam.
- Civil works
- Foundation drawings and torque-tube alignment guide.
Core Application Scenarios
- 01Industrial steam generation
- 02Thermal oil heating
- 03Solar desalination
- 04CSP pilot and demonstration plants
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