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Product Introduction
The EC-GR VIC New Technology Low Nitrogen Burner for Boiler (3–30 TH) is a dedicated combustion solution for medium industrial boilers requiring stable steam output and strict emission control. Covering 3T to 30T boiler capacities with output power from 3000 to 24,500 kW, it is built for 24-hour continuous industrial production.
Using VIC low-nitrogen combustion technology and electronic proportional regulation, the burner maintains stable flame performance under fluctuating thermal loads while keeping NOx emissions below 30 mg/m³ without FGR. Its modular skid-mounted structure enables fast installation and simplifies maintenance, making it highly suitable for both new boiler projects and low-NOx retrofit applications.
Features
Dedicated for 3–30 TH Industrial Boilers
Precisely matched to EC3GR–EC10GR models, covering 3000–24,500 kW output for medium-capacity steam and thermal oil boilers.
Stable Ultra-Low NOx Without FGR
Maintains NOx < 30 mg/m³ without FGR, ensuring regulatory compliance without increasing system complexity.
Electronic Proportional Combustion Control
Real-time air–fuel ratio adjustment ensures stable flame, fast load response, and consistent steam pressure.
High Fuel Efficiency for Continuous Operation
Designed for long-term 24-hour production, delivering near-constant thermal efficiency without output attenuation.
Multi-Fuel Industrial Adaptability
Supports NG, LNG, LPG, CNG, heavy oil, light oil, and coal powder, ideal for plants with unstable or diverse fuel supplies.
Modular & Skid-Mounted Structure
Reduces installation workload, site modification, and downtime during replacements and retrofits.
Anti-Condensation & Anti-Carbon Deposition Design
Prevents low-temperature corrosion, nozzle clogging, and combustion chamber fouling, extending service life.
Technical Parameters
| Model | Output capacity (KW) | Gas consumption (Nm3/h) | Specifications of boiler (T) |
| EC3GR | 3000 | 300 | 3 |
| EC4GR | 4800 | 480 | 4/5 |
| EC5GR | 6800 | 680 | 6/8 |
| EC6GR | 9500 | 950 | 10/12 |
Application
The EC-GR Low Nitrogen Burner (3–30 TH) is designed for medium-scale industrial thermal systems where environmental compliance, fuel efficiency, and continuous operation are critical:
3–10 TH Steam Boilers – food processing plants, packaging factories, laundries
6–15 TH Industrial Boilers – textile dyeing, printing, water washing industries
10–20 TH Process Boilers – pharmaceutical production, fermentation systems
15–30 TH Heavy Industrial Boilers – chemical plants, rubber and resin production
Thermal Oil Heating Systems (8–30 TH) – asphalt mixing plants, chemical reactors
Low-NOx Boiler Retrofit Projects – emission upgrades for existing medium boilers
Industrial Parks & Centralized Heating Stations – medium-scale heat source systems
This range represents the core industrial boiler market with the highest annual operating hours and strictest emission supervision.