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Diesel Fired Steam Boiler

Capacity: 0.5-20 t/h

Pressure: 0.7-2.5 Mpa

Applications: heat suppling, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

Fuel: diesel

Temperature: 194/204℃

Diesel Fired Steam Boiler


  Diesel Fired Steam Boilers are automatic steam boilers which run on low power. We manufacture these boilers with seamless shells and tubes offering good drainage options. Diesel fired steam boilers are made out of fair quality stainless steel and are corrosion resistant. Applications include providing steam for industrial users like textile mills, paper mills, tobacco factories,food plant, etc. These boilers provide full insulation and easy maintenance. We supply complete diesel fired boiler system.


Digitized manufacture

  The key part such as material cutting, rolling, drilling are proceeded by advanced CNC machining process to reduce the assemble stress and extend boiler working lifetime.

  The front and back smoke chamber plates are cut by CNC plasma cutting machine and looks tidy and beautiful;

Easy operation and maintenance

  Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure

  longer working life.

  Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boilers working life.

  Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint will have 100% radiographic inspection.

  Fin tube us ND steel or stainless-steel material which avoid low temperature corrosion.

  Inspection procedure point is set up to guarantee the sequence of expanding and welding, avoid cracking of the tube sheet holes

  less fuel consumption

  High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ to control heat lost.

  Sufficient steam storage room and heating area makes boiler to generate high quality steam and high thermal power

  Condenser is added to reuse the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce emission temperature, which can increase the thermal efficiency above 98% and save operating cost.


Model WNS6-1.25-Y(Q)
Rated steam capacity(t/h) 6 8 10 15 20
Rated working pressure(Mpa) 1.25/1.6 1.25/1.6 1.25/1.6 1.25/1.6 1.25/1.6
Rated steam temperature(℃) 194/204 194/204 194/204 194/204 194/204
Feeding water temperature(℃) 20 20 20 20 20
Heating area(㎡) Body 181.17 190.77 229.95 346.2 467.6
Condenser 78.25 108.5 165.3 216.2 360.3
Thermal efficiency(%) >98 >98 >98 >98 >98
Fuel  Diesel
Combustion equipment burner
General Power(KW) 19.5 29.5 33 60 90.5
Feed pump model JGGC6-8×19 JGGC9-15×10 JGGC12.5-15×11 JGGC16-15×12 JGGC25-35×5
Fuel consumption Light oil 399 532 660 997 1204
nature gas 432 576 720 1080 1440
Max part weight(t) 19.5 22.6 25.8 34.7 46
Max dimension of delivery
5.93×2.6×3.02 5.85×2.8×3.1 7.65×2.81×3.1 6.95×3.1×3.6 8.3×3.4×4.02
 Any change of technical data shall not be advised additionally.

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