WNS series gas-fired (oil-fired) steam boiler
| Product thermal capacity: | 1-20 t/h |
| Working pressure: | 0.7-2 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, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc. |
WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.
- 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.
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.
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.
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 | Rated steam capacity（t/h） | Rated working pressure（Mpa） | Rated steam temperature（℃） |
| WNS1-0.7-Y(Q) | 1 | 0.7 | 170 |
| WNS1-1.0-Y(Q) | 1 | 1 | 184 |
| WNS1.5-1.0-Y(Q) | 1.5 | 1 | 184 |
| WNS1.5-1.25-Y(Q) | 1.5 | 1.25 | 194 |
| WNS2-1.0-Y(Q) | 2 | 1 | 184 |
| WNS2-1.25-Y(Q) | 2 | 1.25 | 194 |
| WNS3-1.0-Y(Q) | 3 | 1 | 184 |
| WNS3-1.25-Y(Q) | 3 | 1.25 | 194 |
| WNS4-1.25-Y(Q) | 4 | 1.25 | 194 |
| WNS4-1.6-Y(Q) | 4 | 1.6 | 204 |
| WNS5-1.25-Y(Q) | 5 | 1.25 | 194 |
| WNS5-1.6-Y(Q) | 5 | 1.6 | 204 |
| WNS6-1.25-Y(Q) | 6 | 1.25 | 194 |
| WNS6-1.6-Y(Q) | 6 | 1.6 | 204 |
| WNS8-1.25-Y(Q) | 8 | 1.25 | 194 |
| WNS8-1.6-Y(Q) | 8 | 1.6 | 204 |
| WNS10-1.25-Y(Q) | 10 | 1.25 | 194 |
| WNS10-1.6-Y(Q) | 10 | 1.6 | 204 |
| WNS15-1.25-Y(Q) | 15 | 1.25 | 194 |
| WNS15-1.6-Y(Q) | 15 | 1.6 | 204 |
| WNS20-1.25-Y(Q) | 20 | 1.25 | 194 |
| WNS20-1.6-Y(Q) | 20 | 1.6 | 204 |
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01Understanding you needs
First, you can communicate with our professional boiler consultant through email, telephone, form or online chat.
Here are some questions to know about you，eg：
1. what are your energy types and energy saving requirements?
2. the use of your boiler environment?
3. what do you ask for the power of the boiler?
4. what are you facing at the moment? -
02Make your solution
Next, according to your needs and conditions of use, we will provide
energy saving and reliable boiler system solutions.
——“ Let your boiler operate more efficiently and economically” -
03Keep your business on track
We will regularly communicate with you to understand your boiler operation and guide according to your needs. If you have other needs, we will provide you with the first time. Include：
Parts
Debugging
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Maintaining
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