By integrating boilers with adsorption chillers, data centers can generate cooling using heat energy rather than depending solely on electricity-driven compressors.
How It Works: Adsorption chillers use heat (typically hot water or steam) as the driving energy source instead of electricity. When connected to a boiler system, they leverage waste heat or controlled thermal energy to power the refrigeration cycle.
This cycle uses solid sorbents (such as silica gel or zeolite) to adsorb and desorb refrigerant vapors, producing chilled water without compressors or high electrical loads.
Benefits for Data Centers
- Reduced Electrical Dependency: Cooling load is shifted from electrically driven chillers to heat-driven adsorption units, lowering peak power demand.
- Energy Diversification: Boilers can utilize multiple fuel types like natural gas, renewable biogas, or even hydrogen, enabling flexible, resilient operation during grid fluctuations.
- Waste Heat Utilization: In combined heat and power (CHP) or generator-backed facilities, recovered waste heat can drive adsorption cooling cycles, improving total energy efficiency.
- Sustainability & Redundancy: The hybrid system provides a low-noise, low-vibration alternative for backup or base-load cooling, aligning with decarbonization goals and Tier IV reliability standards.