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WNS Gas/Oil Fired Hot Water Boiler
Capacity: 0.7~14.0 MW
Pressure: 0.7-1.25 Mpa
Applications: heat supplying, hospital, hotel
Fuel: nature gas, oil
Temperature: 95~115℃
PERFORMANCE
As the subproject of high efficient and green boiler in the World Bank Group's GEF Program, each technical index of WNS series oil and gas fired boiler has reached the world advanced level. WNS series boiler is fast-assembly installation boiler and it mainly consists of boiler proper, interconnecting flue, burner, steam&water system, meters, economizer and condenser (optional). It has the advantages such as clean combustion, no pollution in the emission, easy operation, high output and so on.
Advantage: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.
SPECIFICATIONS
| Model | WNS0.7-0.7/95/70- Y(Q) | WNS1.4-0.7/95/70- Y(Q) | WNS2.1-0.7/95/70- Y(Q) | WNS2.8-0.7/95/70- Y(Q) | WNS3.5-0.7/95/70- Y(Q) | |
| Rated thermal power（MW） | 0.7 | 1.4 | 2.1 | 2.8 | 3.5 | |
| Rated working pressure（Mpa） | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | |
| Rated output water temperature（℃） | 95 | 95 | 95 | 95 | 95 | |
| Rated feeding water temperature（℃） | 70 | 70 | 70 | 70 | 70 | |
| Heating area（㎡） | Body | 26 | 58.8 | 90.65 | 112.59 | 127.68 |
| Condenser | 14 | 24.7 | 29.6 | 45.6 | 53.5 | |
| Thermal efficiency（%） | ＞98 | ＞98 | ＞98 | ＞98 | ＞98 | |
| Fuel | Nature gas, coke oven gas, biogas, methanol, light oil etc. | |||||
| burning devices | burner | |||||
| consumptions | Light oil | 66 | 133 | 196 | 266 | 332 |
| Natural Gas | 72 | 144 | 216 | 288 | 360 | |
| Max. transportation weight（t） | 4 | 8.3 | 8.9 | 13.3 | 14.3 | |
| Max. transportation dimension（m）(L×W×H) | 3.25×1.8×2.1 | 4.4×2.1×2.46 | 4.6×2.31×2.62 | 4.7×2.48×2.85 | 5.3×2.65×3.3 | |