Fresh Water Generator
Fresh water generator, one of the important machinery on board a ship, is something that cannot be done without. Fresh water produced from fresh water generator is used for drinking,…
Boiler efficiency and load factor
Like any other devices, the boiler energy efficiency is a factor of its load factor. Figure (i) and also Figure (iii) show typical of such efficiencies. Figure (iii) – Impact…
Excessive combustion air
Fig (ii): Boiler efficiency as a function of CO2 level in the exhaust gas In order to burn the fuel, air needs to be supplied to the boiler. The excess…
Optimum hot well temperature and blow-down levels
There is a hot well (see Figure (v)) that collects all the condensates from steam system end-users plus where water treatment and cleaning may take place. It is from hot-well…
Boiler energy efficiency measures – shipboard good practices
Formation of marine boiler : A boiler in one form or another will be found on every type of ship. Where the main machinery is steam powered, one or more large…
Air compressor arrangement
working principles and operational guideline · Use of compressed air for ships machinery Compressed air has many uses on board ship, ranging from diesel engine starting to the cleaning of machinery…
Machinery arrangement
Three principal types of machinery installation are to be found at sea today. Their individual merits change with technological advances and improvements and economic factors such as the change in…
Marine auxiliary machinery – various installations on board
· Ships are large, complex vehicles which must be self-sustaining in their environment for long periods with a high degree of reliability. A ship is the product of two main areas…
Auxiliary Marine Machinery
· Marine machinery is designed to ensure the proper functioning of a ship’s main engines, piping systems, and equipment. Auxiliary marine machinery includes pumps, compressors, and blowers for circulating fuel and…
Troubleshooting auxiliary engine
Diesel driven generators can be expensive in terms of fuel cost and maintenance requirements. Continuous operation at sea and in port exacts a high price particularly if distillate fuel is…
