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Auxiliary Equipment Boiler

The classic three-pass structure is composed of the front and rear tube plates of the boiler, the corrugated furnace, the fully-enclosed reversing chamber, and the threaded smoke tubes. The boiler flue gas flows through the first pass (corrugated furnace), is redirected through the reversing chamber to the second pass (threaded smoke tubes), enters the third pass (threaded smoke tubes) via the front smoke box, and finally exits through the rear smoke box, forming three heat transfer circuits. This model is characterized by stable and safe construction, ample heating surface area, and sufficient power output. Additionally, it can be equipped with a modular flue gas waste heat recovery device to achieve higher fuel utilization efficiency.
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  • WNS4-1

  • GREEN BUILDING MACHINERY

Advantages of Auxiliary Equipment Boiler

  1. Classic Three-Pass Wet Back Structure with Ample Heating Surfaces

    Adopts time-tested three-pass wet back design with optimized heat transfer surface layout,ensuring high thermal efficiency and sufficient output.

  2. Full Corrugated Furnace for Safe, Efficient and Eco-friendly Operation

Large-diameter corrugated furnace increases heat exchance area,enhances turbulent heat transfer,and accommodates thermal expansion to prevent stress concentration. Combustion chamber,it maintains proper furnace temperature while effectively reducing NOx emissions.

    3. Multi-layer Insulation for Energy Efficiency

Multi-layer ceramic fiber insulation with reflective technology maintains exterior temperature below 40℃,  minimizing heat loss.

    4. Ultra-Low Flue Gas Temperature Enables Condensation

        Optional ND steel anti-corrosion finned heat exchanger (high-frequency welded) at boiler tail:

  • Pressure version: Direct integration with boiler

  • Atmospheric version: Circulation with soft water tank

        Features corrosion-resistant extruded spiral finned tubes for optimal heat transfer.                  

    5. Microcomputer Screen Display Control

         The microcomputer liquid crystal screen display control is adopted,so that the user operation is simple                                 convenient  and intuitive.

    6. Ergonomic Design for Stable Operation & Easy Maintenance

  • Full-access labyrinth-sealed smoke chamber with insulation;

  • Imported burner and gas valve assembly ensures reliability;

  • Integrated top platform facilitates installation/maintenance while protecting insulation layer.

Basic Applicable Parameters of Boliers

                 steam
             0.5-20t/h
       standard pressure              1.25/1.6Mpa
                hot water               0.35-14WM
standard outlet pressure              1.0-1.25Mpa


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At present, the company has export more sets of production line to the united Arab emirates, Saudi Arabia, Spain and other countries. Agreed by users, to give a high evaluation.

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