WNS Series Three Pass Fire Tube Boilers
Capacity: 1-20 t/h
Pressure: 0.7-2 MPa
Temperature: 170 – 204 °C
Fuel: Natural gas, coke oven gas, biogas, diesel, heavy oil, light oil, crude oil, etc.
Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.
The WNS series three pass fire tube boilers feature a horizontal design with a compact structure and an aesthetically pleasing appearance. These boilers deliver efficient combustion performance and exceptional thermal energy utilization, making them an ideal choice for various industrial applications.
The standout characteristic of WNS series three pass fire tube boilers lies in their “three-pass” design. This innovative configuration ensures that the high-temperature flue gas generated during combustion releases heat progressively as it flows through three stages, maximizing thermal efficiency and reducing energy losses.
This advanced flow path not only enhances thermal efficiency but also effectively reduces flue gas temperatures, minimizing energy waste and maximizing operational efficiency.
High Efficiency and Energy Saving: The three-pass design optimizes the flue gas flow and heat transfer process, boosting thermal efficiency to over 98%. The seamless integration of the burner and boiler ensures complete fuel combustion, significantly reducing energy consumption and operational costs.
Environmentally Friendly and Low Emissions: Equipped with advanced low-NOx burners, the boiler employs optimized combustion technology to substantially lower NOx emissions. Its superior environmental performance complies with stringent regulatory requirements. The low-temperature flue gas discharge minimizes its environmental impact, making it an ideal choice for green and energy-saving operations.
Intelligent Operation: The boiler features a fully automated control system with a smart touch panel and PLC control module, enabling comprehensive automation. Users can effortlessly monitor the boiler’s operating status and precisely adjust parameters such as temperature and pressure. This system ensures simple operation, safety, and reliability.
Easy Maintenance: The horizontal design of the WNS series ensures a small footprint and convenient installation. Manufactured with premium materials, the boiler guarantees durability and operational stability. Its scientifically arranged smoke tubes facilitate cleaning and inspection, simplifying maintenance tasks and reducing upkeep costs.
| Model | Rated steam capacity (t/h) | Rated working pressure (MPa) | Rated steam temperature (℃) | Feed water temperature (℃) | Maximum transport weight (t) | Maximum transport dimension (m) |
| WNS1-0.7-Q(Y) | 1 | 0.7 | 170 | 20 | 4.5 | 3.25×1.80×2.00 |
| WNS1-1.0-Q(Y) | 1 | 1.0 | 184 | 20 | 4.5 | 3.25×1.80×2.00 |
| WNS1.5-1.0-Q(Y) | 1.5 | 1.0 | 184 | 20 | 7.0 | 3.65×2.05×2.45 |
| WNS1.5-1.25-Q(Y) | 1.5 | 1.25 | 194 | 20 | 7.0 | 3.65×2.05×2.45 |
| WNS2-1.0-Q(Y) | 2 | 1.0 | 184 | 20 | 9.0 | 4.60×2.20×2.60 |
| WNS2-1.25-Q(Y) | 2 | 1.25 | 194 | 20 | 9.0 | 4.60×2.20×2.60 |
| WNS3-1.0-Q(Y) | 3 | 1.0 | 184 | 20 | 11.5 | 5.35×2.40×2.80 |
| WNS3-1.25-Q(Y) | 3 | 1.25 | 194 | 20 | 11.5 | 5.35×2.40×2.80 |
| WNS4-1.25-Q(Y) | 4 | 1.25 | 194 | 20 | 15.0 | 5.00×2.60×2.95 |
| WNS4-1.6-Q(Y) | 4 | 1.6 | 204 | 20 | 15.0 | 5.00×2.60×2.95 |
| WNS5-1.25-Q(Y) | 5 | 1.25 | 194 | 20 | 18.0 | 5.55×2.658×3.20 |
| WNS5-1.6-Q(Y) | 5 | 1.6 | 204 | 20 | 18.0 | 5.55×2.658×3.20 |
| WNS6-1.25-Q(Y) | 6 | 1.25 | 194 | 20 | 19.5 | 5.93×2.80×3.20 |
| WNS6-1.6-Q(Y) | 6 | 1.6 | 204 | 20 | 19.5 | 5.93×2.80×3.20 |
| WNS8-1.25-Q(Y) | 8 | 1.25 | 194 | 20 | 25.0 | 7.00×2.80×3.25 |
| WNS8-1.6-Q(Y) | 8 | 1.6 | 204 | 20 | 25.0 | 7.00×2.80×3.25 |
| WNS10-1.25-Q(Y) | 10 | 1.25 | 194 | 104 | 27.5 | 7.65×2.80×3.25 |
| WNS10-1.6-Q(Y) | 10 | 1.6 | 204 | 104 | 27.5 | 7.65×2.80×3.25 |
| WNS15-1.25-Q(Y) | 15 | 1.25 | 194 | 104 | 40.0 | 7.95×3.50×3.75 |
| WNS15-1.6-Q(Y) | 15 | 1.6 | 204 | 104 | 40.0 | 7.95×3.50×3.75 |
| WNS20-1.25-Q(Y) | 20 | 1.25 | 194 | 104 | 52.0 | 8.55×3.90×4.15 |
| WNS20-1.6-Q(Y) | 20 | 1.6 | 204 | 104 | 52.0 | 8.55×3.90×4.15 |
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