⚡ Scheffler Fixed‑Focus Technology
The 16 m² Solar Scheffler Dish uses a patented lateral‑moving parabolic geometry to reflect sunlight onto a stationary receiver located inside the kitchen. Unlike conventional cookers, the cooking position is fixed, safe, and indoor. The dish automatically tracks the sun while the focal point remains static — enabling continuous, high‑temperature cooking without operator exposure to concentrated rays.
Core Capabilities
Cooking Performance
- Rice: 15–20 kg in 15-25 min
- Dal: 20–25 L in 40–45 min
- Vegetables: 25–30 kg in 20-25 min
System Components
- 16 m² Scheffler reflector
- Precision tracking mechanism
- Fixed receiver unit (indoor cooking)
- Seasonal tilt adjustment
Safety Features
- Fixed focal point eliminates glare exposure
- Wind Velocity (140 km/h)
- Controlled heat delivery indoors
- No open flame – zero fire risk
- Automatic solar tracking with manual override
Key Benefits
- Eliminates LPG / firewood dependency
- 10–12 tons CO₂ saved / year
- 2–4 year payback period
- 20–25 year system service life
- Eligible for carbon credits
Key Specifications
Aperture Area
16 m² – ideal for high‑demand kitchens .
Operating Temperature
350°C – 450°C peak flux; 180°C Temp at 10 bar pressure for continuous cooking.
Thermal Output
5.5 kW, enough for bulk cooking.
System Efficiency
65–75% optical, 45–50% net thermal efficiency.
📐 Engineering Specifications
| Parameter | Specification |
|---|---|
| Concentrator Type | Solar Scheffler Dish |
| Gross Area | 16 m² |
| Reflector Material | Glass mirror facets / Anodized aluminum (≥90% reflectivity) |
| Tracking Mechanism | Single axis (manual seasonal adjusting) |
| Focal Distance | 4 meters (fixed receiver indoors) |
| Concentration Ratio | 100:1 – 150:1 |
🔥 Thermal Performance & Cooking Output
| Parameter | Value |
|---|---|
| Thermal Power Output | 5.5 kW |
| Optical Efficiency | 65 – 75% |
| Net System Efficiency | 45 – 50% |
| Cooking Capacity | 80 – 100 persons per batch |
System Architecture
- Scheffler reflector dish (segmented mirrors)
- Heavy‑duty support structure
- Auto-Single axis sun tracking
- Fixed receiver unit
- Seasonal inclination mechanism
Operational Safety
- Fixed focal point – zero operator exposure
- Indoor cooking – no glare / no flame
- Wind‑safe parking mechanism
- Thermally stable receiver design
📍 Deployment Applications
Temple, Matha & Ashrams
Residential School
Industrial Canteens
SRPF / CRPF / Army / Navy / Airforce Canteen
Large Training Centers
🌱 Sustainability & Financial Benefits
| Fuel Savings | Major Reduction of usage of LPG / PNG / firewood |
| CO₂ Reduction | 8 – 12 tons per year per system |
| Payback Period | 2 – 4 years (depending on usage & fuel cost) |
| System Lifespan | 20 – 25 years |
| Maintenance | Minimal – reflector cleaning & seasonal alignment |
System in Action
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