System in Action
How It Works – Simple & Reliable
Step 1: Heat Generation
- Solar thermal collectors or biomass (agri‑waste) produce heat
- Low‑cost, renewable energy sources
Step 2: Heat Storage
- Generated heat stored in specially designed sand bed
- Sand retains heat for hours without significant loss
Step 3: Energy Storage Mode
- Excess heat is stored instead of wasted
- System keeps energy ready for later use
Step 4: On‑Demand Heat Release
- Stored heat released instantly when needed
- Supplies process heating, drying, steam generation
- Enables 24×7 continuous operation
See It In Action
Technical Specifications
| Parameter | Specification |
|---|---|
| System Type | Thermal Energy Storage (Sand Battery) with Hybrid Heat Input |
| Storage Medium | High‑density silica sand / naturally available sand |
| Storage Capacity | Customizable – 500 kWh to 5 MWh (or higher) |
| Heat Input Sources | Solar thermal, biomass, waste heat recovery |
| Output Temperature | Up to 400°C – 600°C (depending on design) |
| Charging Time | 4 – 8 hours (daytime solar / biomass) |
| Discharge Duration | 4 – 24 hours (based on demand and storage size) |
| Control System | Automated heat management with smart sensors |
| Integration | Compatible with existing industrial heating lines, dryers, steam systems |
Why This is a Game Changer
| Challenge | Solution |
|---|---|
| High fossil fuel costs & dependency | Uses free solar energy + low‑cost agri‑waste, storing it for later use |
| Intermittent renewable energy (solar not available at night) | Stored heat ensures 24×7 supply without fossil fuel backup |
| Wasted heat during daytime | Captures and stores excess heat that would otherwise be lost |
| Unstable production due to energy gaps | Continuous heat supply stabilizes processes |
Business Impact
| Aspect | Benefit |
|---|---|
| Fuel Cost Reduction | Up to 50–80% reduction in LPG / diesel / natural gas consumption |
| Operational Flexibility | Use stored heat during peak tariff hours or night shifts |
| Reliability | Uninterrupted heat supply regardless of weather or fuel supply delays |
| ROI | Typical payback within 1.5 – 3 years (depending on fuel savings) |
| Sustainability | CO₂ reduction of 50–500 tons/year based on scale |
Where It Can Be Used
Food Processing
Continuous drying, cooking, steam generation
Textile & Dyeing
Process heating, thermic fluid systems
Chemical Industry
Reactor heating, distillation
Dairy
Pasteurization, CIP cleaning
Solar Drying Systems
Night operation for continuous drying
A Battery for Heat – Available Anytime
Many industries need continuous heat, but renewable sources like solar
are not available at night. The
TES Sand Battery System solves this by storing excess
thermal energy during the day and releasing it whenever needed. Using
simple, abundant sand as the storage medium, the system acts as a
thermal battery – enabling 24×7 operation, lowering fuel costs, and
reducing dependence on fossil fuels.
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