diesel fired fire tube shell boiler, ZOZEN WNS series diesel fired fire tube shell boiler introduction
What is the working principle of the diesel fired fire tube shell boiler? The flue gas produced by fuel combustion passes through the fire tubes or smoke tubes to heat the water, steam or water and steam mixture outside the fire tubes or smoke tubes. According to the flue gas passes, there is two-pass or three-pass diesel fired fire tube shell boiler. ZOZEN diesel fired fire tube shell boiler includes: WNS series diesel fired fire tube shell steam boiler and WNS series diesel fired fire tube shell hot water boiler.
1. ZOZEN diesel fired fire tube shell boiler types and parameters
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WNS series diesel fired fire tube shell steam boiler |
WNS series diesel fired fire tube shell hot water boiler |
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Capacity: 1-20 tph |
Capacity: 0.7-14 MW |
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Working pressure: 0.7-2 Mpa |
Working pressure: 0.7-1.25 Mpa |
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Thermal efficiency: Above 98% |
Thermal efficiency: Above 95% |
2. ZOZEN diesel fired fire tube shell boiler advantages
1) Simple structure, compact size, easy installation, low production and construction costs
2) Low failure rate, convenient maintenance, low maintenance and operating costs
3) The use of threaded smoke tube with high heat transfer efficiency which is independently developed by ZOZEN Boiler can extend the staying time of flue gas in the furnace to improve the thermal efficiency.
4) The use of large-diameter corrugated furnace with sufficient steam storage and heating surface can reduce the thermal resistance to ensure that the boiler can produce the high thermal power and high-quality steam with a high efficiency.
3. ZOZEN diesel fired fire tube shell boiler case
1.5 tph WNS series oil-fired steam boiler project for the food industry in Venezuela - Inversiones Goa 7 C.A
Equipment: WNS1.5-0.7-Y (light diesel oil)
Medium: Steam
Capacity: 1.5 tph
Industry: the food industry
Location: Caracas, Venezuela

The shipment of ZOZEN WNS series oil-fired steam boiler to Venezuela
In conclusion, relying on advanced manufacturing process and technical advantages, ZOZEN Boiler launches the WNS series diesel fired fire tube shell boiler and customized the diesel fired fire tube shell boiler system for users to meet the different demands by providing the one-stop service including boiler design, manufacture, installation, commissioning and training. If you have more questions about the diesel fired fire tube shell boiler, please consult with ZOZEN Boiler.
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In industrial boiler manufacturing, the condition of materials, the organization of work areas, coordination between production processes, and safety requirements all affect the stability of manufacturing operations. As a boiler manufacturer, ZOZEN Boiler continues to promote 6S management by integrating Seiri, Seiton, Seiso, Seiketsu, Shitsuke, and Safety into daily workshop operations. The company is extending 6S management from workplace improvement to material control, process coordination, ...28 Jul 2026 -
In recent years, Wuxi ZOZEN Boilers Co., Ltd. (“ZOZEN Boiler”) has continued to develop the domestic and overseas industrial boiler markets. With stable and reliable product quality, comprehensive technical services, and sound brand reputation, its products have been widely applied in various industries, including food, chemical, textile, paper, pharmaceutical, and new energy industries, and have been exported to multiple countries and regions worldwide. As the brand influence of ZO...27 Jul 2026 -
South America is rich in agricultural and energy resources and has a diverse manufacturing base. Industries such as papermaking, packaging and sugar processing are upgrading their production equipment as market and environmental requirements evolve. For these companies, a boiler is more than a steam source. Its performance affects production continuity, fuel consumption, process quality and emissions management. Through projects in Venezuela, Brazil and Ecuador, ZOZEN Boiler has continued to ex...21 Jul 2026
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