The DZL series automatic chain grate steam boiler is a high-efficiency industrial heating solution specifically engineered for coal and biomass fuels. By integrating an advanced automatic chain grate system with a robust structural design, this boiler ensures stable steam production while significantly reducing manual labor and operational costs for energy-intensive manufacturing processes.
Designed with precision engineering, the DZL boiler features a spirally corrugated tube structure and an optimized furnace arch to maximize heat transfer and minimize pollutant emissions. Whether utilized for industrial processing or facility heating, the DZL series delivers a superior balance of thermal efficiency, structural durability, and environmental compliance.
Detailed Parameters
| Capacity Range | 1 - 20 t/h | Rated Pressure | 0.7 - 1.25 MPa |
|---|---|---|---|
| Steam Temperature | 170 - 194 ℃ | Design Efficiency | Up to 80.4% |
| Heating Area | 30.5 - 712.1 ㎡ | Grate Effective Area | 2 - 22.3 ㎡ |
| Fuel Consumption | 191.5 - 2980 kg/h | Smoke Temp | 153.5 - 167.5 ℃ |
| Boiler Weight | 15 - 69 t (Total) | Dimensions (Max) | 8.4 × 3.55 × 3.54 m |
Key Advantages
Anti-Cracking Design
Utilizes arched tube sheets and spirally corrugated tubes to prevent cracking and enhance structural integrity.
Rapid Steam Rate
Optimized corrugated tubes strengthen heat transfer, enabling faster temperature rise and higher steam output.
Sludge Elimination
The ascending calandria arrangement eliminates dead water zones, preventing sludge buildup at the drum bottom.
Low Emissions
Rational furnace arch design improves combustion and enhances dust falling to reduce environmental pollutants.
High Thermal Efficiency
Precision-sealed wind boxes optimize air distribution, reducing the excess air coefficient for better efficiency.
Fuel Versatility
Engineered to handle both coal and various biomass fuels, providing flexibility in energy sourcing.
Product Gallery
Management Platforms
Fuel Logistics
Automated chain grate system ensures seamless fuel feeding and ash removal.
Combustion Control
Precision wind box adjustment for optimized air-fuel ratio and efficiency.
Thermal Monitoring
Real-time tracking of steam temperature and rated pressure for safety.
Emission Tracking
Monitoring smoke emission temperatures to ensure environmental compliance.
Water Management
Advanced calandria design to prevent scale and sludge sedimentation.
Maintenance Alerts
Systematic checks on tube integrity and grate wear for prolonged lifespan.
Investment Return Comparison
| Comparison Metric | Traditional Manual Boilers | DZL Automatic Boiler |
|---|---|---|
| Labor Cost | High (Manual feeding/ash) | Low (Automatic system) |
| Thermal Efficiency | Lower (65-75%) | Higher (Up to 80.4%) |
| Fuel Flexibility | Limited | Coal & Biomass Versatile |
| Emission Levels | High pollutants | Optimized Low Emissions |
| Maintenance Cycle | Frequent tube cleaning | Extended (Anti-sludge design) |
Frequently Asked Questions
The spirally corrugated tubes increase the heat transfer area and enhance the heat transfer coefficient, resulting in a faster steam rate and improved overall thermal efficiency.
Yes, the DZL series is specifically designed as a coal or biomass fired boiler, allowing users to switch to sustainable biomass energy sources to reduce costs and carbon footprints.
The boiler utilizes an arched tube sheet combined with corrugated tubes, which allows for better thermal expansion and stress distribution, effectively preventing cracking.
This arrangement eliminates dead water zones at the bottom of the drum, making it difficult for sludge to subside and ensuring better cooling of the high-temperature drum region.
Through a rational furnace arch design that improves combustion conditions and enhances the dust falling function, significantly reducing pollutant emissions.
Depending on the model capacity, the design efficiency ranges from approximately 78% to 80.4%, ensuring optimal energy utilization.
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