Enhancing Combustion Efficiency with Evolve Technologies’ Coal Flow Management System
In coal-fired power generation, one of the persistent hurdles is ensuring uniform burner feed for consistent, high-efficiency combustion. Uneven coal flow across burners causes localized heating, poor flame stability, increased unburnt carbon, and excess emissions. Evolve Technologies addresses this with its Variable Orifice Valve (VOV) — a smart, real-time flow-balancing solution.
Science of Efficient Combustion
Precise air-to-fuel ratios are essential. Variations caused by pipe wear, unequal lengths, and differences in coal granularity lead to unstable flames and reduced heat transfer. Evolve’s Coal Flow Management System, powered by the VOV, automatically balances distribution across burners, optimizing efficiency without compromising safety.
The Variable Orifice Valve
Unlike fixed orifice or manual systems, the VOV adjusts its aperture based on live coal flow data. Coupled with advanced sensors, it delivers continuous, adaptive control to maintain perfect burner feed balance, even under changing loads and coal types.
Key Technical Advantages
Dynamic Flow Adjustment –
- Continuous compensation for resistance differences caused by pipe geometry and wear, ensuring stable flames.
- Operational Flexibility – Real-time adjustments without shutdowns, improving uptime and load-handling capability.
- Enhanced Combustion Performance – Lower unburnt carbon, reduced fuel waste, improved boiler heat rate, and cleaner emissions.
Closed-Loop Efficiency
Sensors measure coal flow and particle velocity → control algorithms analyze variations → VOV automatically equalizes flow. Operates continuously, adapting to coal quality, grind fineness, and system wear. Sustainability and Cost Benefits Better fuel utilization reduces coal consumption, cutting:
1. CO₂ and particulate emissions.
2. Maintenance frequency
3. Thermal stress on boiler components
Typical results: reduced fuel costs, extended equipment life, and smaller carbon footprint.
Practical Considerations:
The VOV doesn’t change fuel quality; optimal results come when paired with effective coal preparation.
Why Evolve Technologies?
As India maintains a significant coal-based generation for base load power, technology such as CFMS will be necessary for effective and sustainable power generation. For the future:
- Integrated real-time sensing
- Proven field results across diverse plants
- Custom-engineered per site requirements
- Strong focus on energy efficiency and emissions reduction