Marine Exhaust Gas Boiler – Optimised Steam Generation Capacity for Shipboard Applications
Our marine exhaust gas boiler delivers reliable marine exhaust gas boiler steam generation capacity that turns waste heat into high‑quality steam for heating, fuel‑water preparation, and auxiliary power. Designed for modern vessels ranging from container ships to offshore support vessels, the unit integrates seamlessly with existing exhaust manifolds and offers flexible output to match your ship’s thermal load.
Engineered for durability in corrosive marine environments, the boiler meets class society approvals and can be customised for duty cycles from 4 000 to 10 000 operating hours per year. Whether you need a compact solution for a feeder vessel or a high‑capacity system for a cruise liner, our design maximises heat recovery while minimising fuel consumption.
How It Works – Waste‑Heat to Steam in Three Simple Steps
1. Heat Capture: Exhaust gases flow through a stainless‑steel heat‑exchange matrix positioned directly downstream of the main engine. The matrix’s finned tubes provide a large surface area for rapid heat transfer.
2. Water‑to‑Steam Conversion: Feedwater, pre‑treated to meet marine standards, circulates inside the matrix. As the temperature rises, water is turned into saturated steam at the required pressure.
3. Steam Distribution: Generated steam is routed through insulated pipelines to shipboard heating coils, fuel‑water heaters, or turbine‑driven auxiliaries. A built‑in condensate recovery pump returns condensate to the boiler, completing the loop.
The process operates automatically under a PLC‑controlled system that adjusts flow rates to maintain target steam output, ensuring optimal performance regardless of engine load variations.
Typical Specifications (customizable per order)
| Parameter | Range | Unit |
|---|---|---|
| Steam Generation Capacity | 150 – 2 500 | kg/h |
| Operating Pressure | 0.5 – 4.0 | MPa |
| Exhaust Gas Inlet Temp. | 200 – 500 | °C |
| Overall Dimensions (L×W×H) | 2.0 – 6.5 m | m |
| Weight (incl. accessories) | 4 000 – 18 000 | kg |
| Fuel Compatibility | Heavy fuel oil, marine diesel, LNG (exhaust only) | – |
All figures are indicative; engineering teams can adapt tube pitch, fin density, and control logic to meet specific ship schedules and emission targets.
Application Scenarios – Where High‑Capacity Steam Makes a Difference
- Voyage‑Length Heating: Long‑haul container ships use steam for cargo‑hold temperature control, preventing cargo damage in cold climates.
- Fuel‑Water Preparation: High‑capacity steam ensures rapid heating of seawater to meet low‑sulphur fuel specifications, reducing fuel treatment time.
- Auxiliary Power Generation: Steam drives small turbines for emergency power, enhancing shipboard resilience during main‑engine outages.
- Ballast Water Management: Integrated steam generators provide the heat required for ballast water disinfection systems, helping vessels comply with IMO regulations.
Selecting the right marine exhaust gas boiler steam generation capacity directly influences fuel efficiency and operational cost. Our engineering consultancy assists in sizing the unit to match your vessel’s thermal profile, ensuring you never over‑ or under‑size the system.
Competitive Advantages – Why Choose Our Solution?
• Class‑Society Approved: Certified by ABS, DNV‑GL, and Lloyd’s Register for marine installation.
• Modular Design: Standard modules can be combined to achieve the exact steam generation capacity required, reducing lead‑time and inventory costs.
• Corrosion‑Resistant Materials: 316L stainless‑steel and Inconel alloys guarantee a minimum service life of 20 years in salt‑laden atmospheres.
• Smart Controls: Integrated PLC with remote diagnostics lowers maintenance visits and provides real‑time performance data.
• OEM / ODM Flexibility: We support full branding, custom control panels, and specific certification packages to meet shipyard or owner‑operator specifications.
FAQ
What is the minimum order quantity (MOQ) for a custom‑size boiler?
We accept orders from a single unit upward. For projects requiring a unique capacity or layout, a MOQ of one complete system applies, with a typical lead time of 30–45 days after final design approval.
Can the steam generation capacity be adjusted after delivery?
Yes. Our modular heat‑exchange banks allow additional tube bundles to be installed on‑site, increasing capacity by up to 30 % without major re‑engineering.
What warranties and after‑sales support are provided?
All units carry a 24‑month manufacturer warranty covering materials and workmanship, plus optional extended service contracts that include spare‑parts supply and on‑site commissioning assistance.
How do you ensure compliance with IMO and flag‑state regulations?
Our design team works closely with classification societies to secure the necessary approvals. Documentation includes ABS/GL “Marine Boiler” certificates, CE marking for EU‑flagged vessels, and full test reports for emissions and safety compliance.
Ready to optimise your vessel’s heat recovery and reduce fuel costs? Contact our sales team today for a free capacity‑sizing study and detailed quotation.