High-Temperature Heat Pump (HPHT) & MVR
A heat pump captures low-temperature heat (below 60°C) and raises it to a temperature that is useful for the plant, generally in the form of hot water. At high temperatures, the HPP can supply applications up to a maximum of ~100°C (demonstrators exist to push this higher depending on the fluid and compressor).
Hybrid heat pump + MVR system
For high final temperatures (e.g., 120–200°C), MVR remains the most efficient option… but its CAPEX increases with the number of floors. Hybrid architecture consists of letting the heat pump handle the “low” temperature rise (it produces hot water at ~60°C) and then letting the MVR raise the temperature to higher final temperatures.
Hybrid heat pump + MVR system
- Fewer MVR floors,
- Reduced CAPEX,
- High overall COP.
On industrial sites, FE units show overall COPs 4 and, on the CMV part alone, double-digit COPs>
When to choose HTHP alone, MVR alone, or HTHP+ MVR?
HTHP seule :
- Requirement limited to hot water with temperatures below 100°C
- CAPEX and footprint optimization
- Low thermal power (less than 5MW)
MVR alone:
- Need for steam at “high” temperatures (above 100°C)
- High thermal power (from 1 MW)
- OPEX optimization
HTHP + MVR:
- High final demand (e.g., 150°C) with a “cold” source (e.g., 50°C)
- Heat pump for “low” temperatures (fewer MVR stages),
- MVR for final high pressure
- Optimized CAPEX/OPEX (combination of MVR and HTHP benefits).
Key engineering points mastered by FE
- Reliability: 30 years of compressor installation and maintenance.
- Quality: boiler-quality steam production.
- Management: Automation developed internally by FE, daily supervision by FE Service with guaranteed operation and performance.
- Engagement de performance : FE s’engage sur les performances des systèmes hybrides.