"> Alfa Laval S.p.A. Aalborg-OC-TCi-6.0-16bar
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Alfa Laval S.p.A.

Aalborg-OC-TCi-6.0-16bar

The Alfa Laval S.p.A. Aalborg-OC-TCi-6.0-16bar is a marine composite steam boiler in the Aalborg OC-TCi family. It combines an oil-fired boiler section with an exhaust-gas heat-recovery section in one vertically arranged unit, allowing steam to be produced by combustion, recovered engine heat or a combination of both depending on the installation. The fired section uses the OC-TCi boiler's dedicated burner and heating surfaces, while the exhaust section recovers heat from diesel-engine exhaust gas. This combined arrangement is used where a vessel requires steam both at sea and during operating conditions when exhaust heat alone is insufficient. The 16bar suffix identifies the pressure-labelled version of the Aalborg-OC-TCi-6.0; exact design and operating pressure must be confirmed from manufacturer documentation. Safe operation depends on correct burner combustion, water level control, feedwater quality, clean gas-side surfaces and functional safety and control systems.

Alfa Laval S.p.A. Aalborg-OC-TCi-6.0-16bar

Components & Design

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Technical Data

Model number Aalborg-OC-TCi-6.0-16bar
Evaporation 6000 kg/h
Design pressure 16 bar
Weight (dry) 9200 kg
Application oil-fired composite steam boiler
Heating surface 85 m2
Standards EU PED 2014/68/EU, classification by IACS members
Design pressure (configured) 16 bar
Pressure grade 16bar

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Common failures & inspection points

●Burner ignition or flame failure caused by fuel, atomizing, ignition or control faults, indicated by burner trip, repeated start failure or unstable flame
●Soot fouling in the fired or exhaust-gas sections caused by poor combustion or low-load operation, indicated by reduced steam output or increasing gas-side resistance
●Low or unstable water level caused by feedwater-control, transmitter or valve faults, indicated by level alarms, boiler trips or abnormal gauge-glass level
●Tube or pressure-part leakage caused by corrosion, scaling, erosion or thermal stress, indicated by water loss, steam leakage or contamination of the gas side
●Safety or control instrumentation faults caused by sensor, wiring or actuator problems, indicated by nuisance trips, missing alarms or unstable pressure control
●Refractory or burner-front deterioration caused by thermal cycling and combustion stress, indicated by hot spots, cracking or abnormal furnace appearance

Service & Maintenance

Inspect the furnace, burner, fired-gas path and exhaust-gas section for soot, corrosion, refractory damage and signs of leakage. Test burner ignition, flame supervision, fuel shutoff, combustion controls and interlocks. Verify feedwater regulation, gauge glasses, low-water protection, pressure controls, safety valves and alarms in accordance with class and vessel procedures. Inspect accessible pressure parts, tubes, headers and casing for corrosion, deposits and cracking. Review boiler-water chemistry, blowdown records and make-up-water consumption. Follow manufacturer documentation for exact opening-up, pressure-test and combustion-setting requirements.

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Replacement Parts

Carry burner consumables and service parts appropriate to the installed fuel system, ignition and flame-detection components, fuel-valve and actuator kits, feedwater-control and level-instrumentation spares, safety-related sensors, and gaskets for manholes or service openings. Keep soot-cleaning components where fitted and common boiler valve packing and sealing materials. Pressure-part repair materials should only be stocked and used in accordance with approved manufacturer and class procedures.
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Equipment Model #153751 · ✓ still in production