WNS Series Gas/Oil Fired Hot Water Boiler

Gas/Oil Fired Hot Water Boiler

Product thermal capacity:0.35-14 MW

Working pressure:0.7-1.25 Mpa

Available fuel:Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Available industries:Heat supplying, hospital, hotel

Gas/Oil Fired Hot Water Boiler Advantages

Digitized manufacture

  1. The key processes including material cutting, rolling, drilling are made by advanced CNC machining process to reduce the assembly stress and extend boiler working lifetime.
  2. The front and back smoke chamber plates are cut by CNC plasma cutting machine with tidy and beautiful look.

 

Easy operation and maintenance

  1. Fully intelligent operation, with automatic adjustment and protection of burning, water level, temperature and steam pressure.
  2. The smoke box door uses the hinge structure for easy inspection, inventory and cleaning.

 

Longer working life

  1. The way to weld Smoke tube and tube sheet is to first expand to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boiler service life.
  2. Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint are test by radiographic inspection.
  3. Fin tube uses ND steel or stainless-steel material to avoid corrosion in the low temperature .
  4. Inspection stops are set up to guarantee the sequence of expanding and welding to avoid cracking of the tube sheet holes.

 

Less fuel consumption

  1. High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ and reduce heat lost.
  2. Sufficient steam storage room and heating area to generate high quality steam and high thermal power.
  3. Condenser is added to recycle the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce flue gas emission temperature and increase the thermal efficiency over 98% and save operating cost.

 

Gas/Oil Fired Hot Water Boiler Specification

Model WNS1-0.7-Y(Q)
WNS1-1.0-Y(Q)
WNS1.5-1.0-Y(Q)
WNS1.5-1.25-Y(Q)
WNS2-1.0-Y(Q)
WNS2-1.25-Y(Q)
WNS3-1.0-Y(Q)
WNS3-1.25-Y(Q)
WNS4-1.25-Y(Q)
 WNS4-1.6-Y(Q)
WNS5-1.25-Y(Q)
 WNS5-1.6-Y(Q)
Rated steam capacity (t/h) 1 1.5 2 3 4 5
Rated working pressure(Mpa) 0.7/1.0 1.0/1.25 1.0/1.25 1.0/1.25 1.25/1.6 1.25/1.6
Rated Steam temperature(°C) 170/184 184/194 184/194 184/194 194/204 194/204
Feed water temperature(°C) 20 20 20 20 20 20
Heating area(m²) proper 24.06 27.33 58.15 89.99 112.59 163.1
Condenser 15.4 20.5 29.64 45.6 53.54 65.89
Thermal efficiency(%) >98 >98 >98 >98 >98 >98
Fuel available Natural gas,biogas,coke gas,methanol,light oil etc.
Combustion equipment burner
Total power(KW) 3.6 4 .8 7.0 10.5 13 16.5
Feed pump model JGGC2-8×16 JGGC2-8×16 JGGC2.4-8×18 JGGC4-8×18 JGGC4.8-8×22 JGGC6-8×18
Fuel consumption Natural gas 72 108 144 216 288 360
Light oil 66 99 113 196 266 332
Weight of biggest part for transportation(t) 4 4.5 8.5 8.9 13.3 14.3
Overall dimension of boiler assembled(m)(L×W×H) 3.25×1.8×2.1 3.0×1.8×2.01 4.4×2.1×2.46 4.6×2.31×2.62 4.7×2.48×2.85 5.33×2.65×3.3


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