Aalborg-XS-TC5
The Alfa Laval S.p.A. Aalborg-XS-TC5 is listed as a marine exhaust gas boiler in the Aalborg XS product family. It is installed in the exhaust-gas stream of a diesel engine to recover heat and transfer it into the vessel's boiler-water and steam system. The recovered energy can reduce the amount of fuel that would otherwise be burned in an auxiliary boiler while the engine is operating. Its thermal output varies with engine load, exhaust temperature, gas flow and the condition of the heat-transfer surfaces. The XS-TC5 designation identifies this configuration within the Aalborg XS family, while exact differences in heating-surface size, gas flow and steam duty are installation-specific. Safe operation depends on adequate water circulation, effective removal of gas-side deposits and correct boiler-water treatment.
Components & Design
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Technical Data
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Common failures & inspection points
Service & Maintenance
Inspect accessible heating surfaces for soot, oil residue, corrosion and overheating and verify effective cleaning arrangements. Check water circulation, pumps, valves and piping for correct operation and freedom from restriction. Examine tubes, headers or drums, casing, supports and expansion joints for leakage, cracking and corrosion. Review boiler-water chemistry, blowdown practice and make-up-water consumption. Verify relevant safety valves, pressure and temperature indication, alarms and protective functions in accordance with the vessel's maintenance system. Refer to the manufacturer documentation for exact inspection intervals, pressure tests and acceptance limits.
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