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fire tube steam boiler
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fire tube boiler manufacturer
oil gas fire tube boiler
fire tube steam boiler
fire tube boiler supplier
fire tube boiler manufacturer
oil gas fire tube boiler

Fire Tube Boiler

Smoke tube boiler | Gas/diesel burner boiler | Horizontal/vertical fire tube boiler

WNS fire tube boiler is the packaged shell type 3-pass boiler, wet back design, produced saturated steam/hot water for factory production. Automatic operating, 100% safe, can running by wide range of liquid and gaseous fuels like LPG, natural gas, diesel, HFO, bunker oil or dual fuel.

Capacity Range: 0.2 to 40 Ton/h, 120 to 14,000 KW
Output: saturated steam, hot water
Style: 3-pass fire tube boiler
Applied Industry: food&beverage, dairy, feed, textile, paper, chemical, package, refinery, pharm, building material, hotel etc


Yuanda WNS series oil gas fired boiler adopts horizontal three-pass wet-back structure, large corugated furmace and thread smoke tube technology, 5-th water level protection, equipped wih intemational first-level brand burners and valves, instruments,advanced expansion welding technique, and independently developed high-matching PLC control system to realize muitiple linkages, protects the equipment long uselife & running safely.
wns gas oil fired boiler


High Security, Safe Operation

Anti-dry heating system with five stages water level check;
Four stages pressure protection;
Explosion-proof door with fire viewer;
Remote monitoring system.

High Efficiency, Energy Saving. Save Fuel & Running Cost

Large radiate heating surface corrugated furnacePatent design spirally smoke tubes;
Double 12mm thickness aluminum silic ate insulation layer
Finned tube design economizer with aluminum silicate insulation, greatly reducing heat loss

Long using life and convenient for maintenance

Wet-back smoke conversion chamber;
Solid round steel tension rod design;
Rapid solidification and high-strength refractory building materials;

Double opening-door at front and back.

Fast-assembly boiler, packaged steam boiler

Easy for transportation and installation, also could be pre-installed in the factory, customers only need to connect water, electricity, fuel, etc.

Boiler System Diagram:

Necessary parts including boiler body, burner, control panel, valve gauges, water pump tank, water treatment, steam header, chimney etc. Condenser, deaerator is optional.

wns gas oil fired boiler system

Related Vertical Boiler & Thermal Oil Boiler:

--- Vertical LHS gas(fuel oil) fired boiler, capacity range in 100 kg - 2000 kg. Vertical standing industrial boiler, suitable for limited space user.

--- YYQW Thermal oil boiler is used for fluid/oil heating, also named hot oil boiler, thermic fluid heater. The heating capacity output from 120 kw to 14000 kw. Three coil wetback, "oil cover fire" structure, big open door, fully automatic with inspection door, large furnace.

vertical gas diesel steam boiler, thermal oil boiler

About Our Company:

■ Established in 1956, as a stated owned enterprise.
■ Over 16 years export experiences, payment & shipping protection
■ CE ASME DOSH EAC GOST ISO high standard boiler certified
■ Production of various types boilers, provide pre-sale boiler proposal for customer select
■ Directly factory low price & quality protection.
■ Completed technology & after-sale service team.
■ Support Video/VR inspection. Abroad installation and commissing service etc
■ Technical discussion, drawing about boiler solution for your company use

Industrial Boiler Manufacturer

Boilers We Have:

Steam Boiler/Generator (the boiler can produce pressure steam/vapor for production process) , Hot Water Heater Boiler (ther boiler can provide hot water or central heating for use), Thermal Oil Heater Boiler (heating oil purpose, hot oil circulation boiler), Turbine Boiler (drive turbine, to generating electricity)

② Fuel can be: Gas, Lpg, Diesel, Heavy Oil, Coal, Wood, Biomass, Charcoal, Briquette, Pellets, Waste Fabric, Husk, Fruit Shells, Forest Waste, Paper Waste etc

③ Sructure has: Fire Tube Boiler, Water Tube Boiler, Water-Fire Tube Boiler, Chain Grate Boiler, Reciprocating Grate Boiler, Step Grate Boiler, Traveling Grate Boiler

---- Welcome to inquiry, If you need boiler ----


oil gas steam boiler
Model steam output
steam pressure
steam temperature
Feed water temperature
Fuel consumption
Light diesel oil(kg/h) Natural gas(Nm3/h)
WNS0.5-0.7/1.0/1.25/1.6-YQ 0.5 0.4 to 2.5 (4-25 in bar) 130~226 20/105 32.5 35.7
WNS1-0.7/1.0/1.25/1.6-YQ 1 0.4 to 2.5 (4-25 in bar) 130~226 20/105 64.6 70.1
WNS1.5-0.7/1.0/1.25/1.6-YQ 1.5 0.4 to 2.5 (4-25 in bar) 130~226 20/105 96.8 105.2
WNS2-0.7/1.0/1.25/1.6-YQ 2 0.4 to 2.5 (4-25 in bar) 130~226 20/105 129.3 140.3
WNS3-0.7/1.0/1.25/1.6-YQ 3 0.4 to 2.5 (4-25 in bar) 130~226 20/105 192.9 212.1
WNS4-0.7/1.0/1.25/1.6-YQ 4 0.4 to 2.5 (4-25 in bar) 130~226 20/105 258.2 283.4
WNS5-0.7/1.0/1.25/1.6-YQ 5 0.4 to 2.5 (4-25 in bar) 130~226 20/105 323.5 354.7
WNS6-0.7/1.0/1.25/1.6-YQ 6 0.4 to 2.5 (4-25 in bar) 130~226 20/105 388.6 424.2
WNS8-0.7/1.0/1.25/1.6-YQ 8 0.4 to 2.5 (4-25 in bar) 130~226 20/105 514.6 566.3
WNS10-0.7/1.0/1.25/1.6-YQ 10 0.4 to 2.5 (4-25 in bar) 130~226 20/105 641.7 707.8
WNS12-0.7/1.0/1.25/1.6-YQ 12 0.4 to 2.5 (4-25 in bar) 130~226 20/105 768.9 849.3
WNS15-0.7/1.0/1.25/1.6-YQ 15 0.4 to 2.5 (4-25 in bar) 130~226 20/105 960.1 1061.7
WNS20-0.7/1.0/1.25/1.6-YQ 20 0.4 to 2.5 (4-25 in bar) 130~226 20/105 1276.2 1415.8
Note: Standard boiler parameter is for your reference, should follow the actual technical data according customer needs & engineer design.

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