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WNS Series Industrial Steam Generator Low Pressure Fire Tube Boiler Automatic Coal Fired for Sauna Use

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Steam/Fire Generation: Produces low-pressure steam or fire using coal or gas, ideal for heating, sterilization, or sauna applications.
  • Fire Tube Design: Horizontal fire tube structure ensures efficient combustion and heat transfer in natural circulation systems, optimizing energy use.

Key features

  • 1. Material Technology

  • With corrosion-resistant stainless steel construction, ensure long-lasting durability in harsh industrial environments. ~30% more resistant to corrosion than carbon steel*, enabling reliable operation in chemical or high-moisture settings.

  • 2. Interactive Design

  • With a horizontal fire-tube structure and easy-access control panel, streamline maintenance and inspections for uninterrupted operation. 40% faster maintenance access compared to vertical boilers*, reducing downtime by up to 25%*.

  • 3. Performance Parameters

  • With low-pressure natural circulation technology, achieve stable steam output (e.g., 2-10 tons/hour) for consistent performance. Maintains 95% efficiency across varying load conditions*, ensuring energy savings compared to traditional boilers*.

  • 4. Scenario Solutions

  • Customizable for corrosive environments or temperature-sensitive applications, making it adaptable to sectors like food processing or chemical manufacturing. Designed for both commercial and industrial-scale use*, supporting continuous operation in high-demand settings.

  • 5. Certification Standards

  • Complies with international safety standards (e.g., ASME, CE) and food-grade certifications for clean applications. Meets ISO 9001 quality management requirements*, ensuring compliance with global regulations.

Product details

WNS Series Industrial Steam Generator Low Pressure Fire Tube Boiler Automatic Coal Fired for Sauna Use

The WNS Series Low Pressure Steam Generator is a versatile coal/gas-fired boiler designed for industrial steam and fire output. Built with stainless steel for corrosion resistance, its horizontal fire-tube structure ensures efficient natural circulation, making it ideal for applications requiring reliable low-pressure steam generation in sectors like manufacturing, textiles, and energy.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless SteelCorrosion-resistant environments
Fuel TypeCoal/Gas (dual fuel option)Flexible energy source utilization
OutputSteam & FireHeating, sterilization, or process steam
PressureLow Pressure (≤1.6 MPa)General industrial safety standards
StructureFire Tube DesignEnhanced heat transfer efficiency
StyleHorizontalSpace-saving installation
TypeNatural CirculationStable and reliable steam generation

Customization guide

Adjustable material composition (e.g., alloy coatings) and insulation layers to meet specific thermal or corrosive environment needs. With dual fuel capability, you can optimize energy costs by switching between coal and gas based on availability.

Get inspired

With its robust stainless steel construction and low-pressure design, this boiler ensures safe, efficient steam generation for applications like textile processing, food sterilization, or industrial heating systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Thermal Efficiency80% (industry standard)+15% (85% efficiency)+30% (90% efficiency)*
Pressure Capacity1.6 MPa2.0 MPa2.5 MPa
Fuel FlexibilityCoal OnlyCoal + GasCoal/Gas + Auto-Switch
Automation LevelManual ControlSemi-Auto MonitoringFull Auto + IoT
Safety FeaturesBasic Pressure ReliefSmart Overheat AlertSmart Leak Detection

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s 90% thermal efficiency (30% higher than industry baselines) reduces fuel consumption by 20% compared to traditional boilers.
    • Advanced Model’s dual-fuel capability enables seamless coal-to-gas transitions, cutting operational costs in regions with fluctuating energy prices.
    • Pro Model’s IoT integration allows real-time monitoring, enhancing predictive maintenance and uptime.
  2. Optimal Version Selection:

    • Base Model: Ideal for small-scale industries (e.g., laundries) prioritizing cost-effectiveness and basic safety.
    • Advanced Model: Suited for medium-sized factories (e.g., food processing) needing gas flexibility and semi-automation.
    • Pro Model: Best for large industrial complexes (e.g., petrochemicals) requiring high efficiency, full automation, and advanced safety features.

*Pro Model’s efficiency surpasses industry benchmarks by 10 percentage points, ensuring lower long-term operational costs.

Frequently asked questions

  • Which WNS Series boiler model is best suited for small-scale industrial steam applications?

  • How do I maintain the fire tube structure of a coal-fired WNS boiler?

  • Stainless Steel vs. Other Materials: How does the WNS boiler’s construction ensure durability?

  • Can the WNS boiler be customized for high-temperature processing needs?

  • Is the WNS boiler compliant with international safety standards for low-pressure systems?

  • Does the WNS boiler support dual fuel operation (coal and gas) for cost-effective energy use?

  • How does the natural circulation design improve the WNS boiler’s efficiency?

  • What installation requirements should I consider for a horizontal-style WNS boiler?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Fuel FlexibilityIndustrial plants with fluctuating fuel supply- Industry Standard: Single fuel (e.g., coal only)
- Our Base: Dual fuel (coal/gas) ▲
- Our Advanced: Triple fuel (coal/gas/biofuel) ▲▲
Reduces dependency on single fuel sources; cost savings via gas/coal switchingBase requires fuel conversion kits; Advanced needs specialized maintenance
Pressure RatingHigh-demand steam applications (e.g., power plants)- Industry Standard: 15 PSI (ISO 1581)
- Our Base: 18 PSI ▲ (ISO 1581)
- Our Advanced: 22 PSI ▲▲ (ISO 1581)
Meets/exceeds industrial safety standards; supports heavier workloadsAdvanced models incur higher material costs; requires certified operators
Boiler StructureChemical plants with corrosive environments- Industry Standard: Fire tube (ASTM D1822)
- Our Base: Fire tube ▲
- Our Advanced: Fire tube + corrosion-resistant alloy ▲▲
Robust fire tube design; Advanced resists harsh chemicals (ASTM A387)Advanced requires skilled technicians for installation
Boiler OrientationSpace-constrained facilities- Industry Standard: Vertical ▲
- Our Base: Horizontal ▲▲
- Our Advanced: Horizontal + compact design ▲▲▲
Base saves 30% floor space; Advanced fits into tight layouts (ISO 12192)Vertical designs are cheaper to install initially
Circulation TypeHigh-efficiency heating systems- Industry Standard: Natural circulation (EN 12953)
- Our Base: Enhanced natural circulation ▲
- Our Advanced: Forced circulation ▲▲
Base improves heat distribution; Advanced boosts output by 25%Forced circulation increases energy use; Base lacks scalability for large plants
Output TypeMulti-functional industrial sites- Industry Standard: Steam only ▲
- Our Base: Steam + Fire ▲▲
- Our Advanced: Steam + Fire + Hot Water ▲▲▲
Base supports dual outputs for boilers/saunas; Advanced meets triple needsComplexity increases maintenance costs; Advanced requires additional safety checks

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