WNS Oil & Gas Fire Tube Boiler

WNS series gas and oil fired boiler is the sub-project of high efficiency (up to 95% thermal efficiency) and eco-friendly boiler under the World Bank’s GEF Program. Each technical indicator of boiler parts can be advanced in world. This is a kind of fast-assembly installation boiler which consists of boiler proper, interconnecting flue, burner, steam & water system, economizer, etc. It can also be regarded as fire tube boiler, packaged boiler, three pass design boiler and eco-friendly boiler.

WNS Oil & Gas Fire Tube Boiler
  • CAPACITY

    1-20t/h/1.4-14MW

  • Pressure

    ≤1.6MPa

  • Fuel

    Natural Gas,Biogas,Light Oil,Diesel Oil

  • Application

    Textile plant,Heating Supply,Hotel,Food & Beverage,Garment Manufacturing

High thermal efficiency and lower cost

(a) Adopts advanced corrugated furnace and the smoke tube adopts thread structure to increase heat transfer area and heat transfer effectiveness, boiler thermal efficiency.

(b) Tail with flue gas condensing recovery device to control the exhaust temperature effectively, boiler thermal efficiency;

(c) Adopts internationally renowned brand burner (BALTUR, WEISHAUPT, RIELLO) and water supply with continuous electric adjustment to achieve high thermal efficiency.

High reliability, low maintenance cost

The smoke room of the boiler adopts water-cooled wet-back structure with butt weld , 100% water jacket fire overall design and high temperature flue gas is water space package, which is a good choice to solve the smoke room cooling and sealing. This design avoids the frequent maintenance work of the front and rear smoke boxes, and greatly reduces the boiler accident and maintenance workload to make the boiler run more secure and reliable.

Lower NOx Emission

(a) It adopts three pass structure, hot combustion gases pass through long, small-diameter tubes three times, absorbing heat as much as possible;

(b) The large capacity combustion chamber (furnace) design ensures the fuel fully burned, and the smoke spread evenly to the NOX emissions to 35-200mg / m³, clean and environmentally friendly.

Short installation period, save space

The use of quick-loading structure and the whole boiler design in a very strong steel base to make installation and transportation easily, save the occupied space of the boiler room.

< 60 ASME Certificated Boiler Manufacturers in China

ASME standard

ASME(American Society of Mechanical Engineers)

It has been estimated that over 100 countries accept the ASME BPVC as a means of meeting their government safety regulations. ZBG holds ASME certification, with large-scale power station boiler project total package qualification can provide customers a full range of products and services.

WNS Gas & Oil Fired Steam Boiler
Model WNS1 WNS2 WNS3 WNS4 WNS5 WNS6 WNS8 WNS10 WNS12 WNS15 WNS20
Rated Steam
 Capacity
t/h 1 2 3 4 5 6 8 10 12 15 20
BHP 77 154 231 308 385 462 616 770 924 1155 1540
Rated Steam
 Pressure (bar)
(7)(10)12.5(16)
Rated Steam
 Temperature (℃)
(170)(184)194(204)
Feeding Water
 Temperature (℃)
20 20 20 20 20 20 20 104 104 104 104
Thermal Efficiency ≥ 95%
Exhaust Gas
 Temperature (℃)
≤ 80
Fuel Type Natural gas, Biogas, Light oil, (Heavy oil)
Shipping Dimension (LxWxH) (mm) 3650x1700
x2058
3750x1900
x2150
4365x1950
x2242
4500x2250
x2600
5000x2150
x2320
5300x2380
x2694
5700x2500
x2876
6290x2640
x3178
7360x2840
x3500
7460x3230
x3650
8180x3650
x3970
WNS Gas & Oil Hot Water Boiler
Model WNS1.4 WNS2.1 WNS2.8 WNS4.2 WNS5.6 WNS7 WNS10.5 WNS14
Rated Thermal Power MW 1.4 2.1 2.8 4.2 5.6 7 10.5 14
BHP 143 214 285 428 571 714 1070 1427
Rated Outlet Water Pressure
(MPa)
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
Outlet Water Temperature
(℃)
95/115
Return water temperature
(℃)
70/90
Thermal Efficiency ≥ 95%
Exhaust Gas Temperature (℃) ≤ 80
Fuel Type Natural gas, Light oil, (Heavy oil)
Shipping Weight
(t)
5.8 7.2 9.2 12.3 14.5 23 30 45
Shipping Dimension
(LxWxH) (mm)
3750x1900
x2150
4365x2102
x2240
4400x2250
x2600
5300x2380
x2644
5600x2466
x2902
6373x2640
x3126
7460x3230
x3650
9300x3330
x3848

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Textile industry Waste heat recovery AAC block Plant Hotel & Resort Food plant Power plant Paper mill CHP Other


Get An Instant Quotation

For all inquiries, please fill in the form below (* are required) to send us a brief message, and we will get back to you as soon as possible.

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Boiler Autoclave

Textile industry Waste heat recovery AAC block Plant Hotel & Resort Food plant Power plant Paper mill CHP Other


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