





Oil & Gas Fired Steam Boiler
Oil & Gas Fired Steam Boiler
WNS series Oil & Gas Fired Steam Boiler is a horizontal internal combustion three-pass fire tube boiler with wet-back corrugated furnace design. It is a packaged industrial steam unit compatible with multiple fuels including natural gas, LPG, diesel and heavy fuel oil. Equipped with imported low-NOx burner and PLC automatic control system, the boiler can continuously supply stable high-quality saturated steam with wide load adjustment range, widely applied in food processing, textile printing & dyeing, chemical, pharmaceutical, building material and rubber industries. Complete safety monitoring and interlock protection functions are integrated, including overpressure, overtemperature, high/low water level and flame failure alarm & shutdown protection to guarantee safe operation. Optional flue gas condensing economizer can recover waste heat to improve thermal efficiency, cut fuel consumption and reduce emission to meet strict environmental standards. Pre-assembled before delivery, short on-site installation time and low maintenance cost.
Key Features
- Horizontal wet-back three-pass structure
- Corrugated furnace for thermal expansion compensation
- Compatible with various fuels
- PLC full automatic intelligent control
- Low NOx combustion technology
- Optional condensing waste heat recovery unit for high efficiency
- Wide load adjustment, stable steam quality
- Complete safety interlock with auto alarm & shutdown
- Double-layer thermal insulation to reduce heat loss
- Packaged construction for fast installation
- Suitable for industrial process steam supply
- Long service life and easy maintenance
System Composition

- 1Boiler body
- 2Burning system
- 3Water feeding system
- 4Control system
- 5Safety protection system
- 6Flue gas system
- 7Water softener
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