
The Role of Boilers in Industrial Energy Use
In energy-intensive industries such as textiles, food, chemicals, pharmaceuticals, and automotive, steam and hot-water boilers can account for 40–60% of total energy costs. This makes them the prime target for efficiency upgrades.
Common Causes of Inefficiency
- Poor burner adjustment → leads to incomplete combustion and wasted fuel.
- Fouled heat exchangers → reduce heat transfer and raise flue gas temperatures.
- Insufficient insulation → causes up to 10% energy losses in piping.
- Manual controls → cannot react quickly to fluctuating loads, resulting in unnecessary operation.
Five Strategies for Efficiency
- Advanced Automation & Control Systems
PLC-based panels monitor boiler loads and adjust burner output in real time, ensuring steady operation and reducing fuel consumption. - Heat Recovery Solutions
Flue gas economisers preheat feed water with waste heat, yielding 5–10% fuel savings. Condensing technology captures latent heat from water vapour for additional efficiency. - Proper Insulation
Applying insulation to pipes, tanks, and fittings prevents heat loss and saves thousands of euros annually in large facilities. - Digital Monitoring & Analytics
IoT-enabled sensors provide continuous tracking of temperature, pressure, flow, and flue gases. Energy management software transforms this data into actionable insights. - Preventive Maintenance
Annual servicing detects issues before they cause costly downtime. Maintenance not only avoids failures but also preserves long-term efficiency.
Case Studies
- Textile Plant: Automation upgrade reduced natural gas consumption by 12%.
- Food Factory: Flue gas economiser installation saved over €15,000 annually.
- Chemical Facility: Pipe insulation retrofit reduced total energy use by 8%.
Conclusion
Energy efficiency projects reduce operational costs and contribute to sustainability. YGT ISI provides tailored automation, maintenance, and modernisation solutions, ensuring both immediate savings and long-term resilience for industrial facilities.