OptiSave for sea and freshwater pumps onboard "Johann Jacob"
Ernst Jacob - ship manager and owner of 11 ships - decided to save as much energy as possible.
DESMI has signed an agreement to continuous install the energy saving system OptiSaveTM on board all the 11 vessels of Ernest Jacob.
“First of all we bought OptiSaveTM for all our ships “Johann Jacob” is number two in a row, to get OptiSaveTM installed.
The OptiSaveTM was installed on may 22. 2015 and already, after only two weeks we can see big savings. We save about 250-350 liters fuel a day (about 1 m3 in 3 days), and with today’s fuel prices the savings are about 350 USD in 3 days, 42,583 USD a year.” says Chief Engineer Dieter Nühse.
With DESMI OptiSaveTM it is simple as you get an intelligent control of your cooling water system. You will be able to regulate the energy consumption according to actual cooling demand and thereby save fuel for your generating sets.
OptiSaveTM helps ship owners and designers to meet the requirement for reduction of C02 stipulated in IMO MEPC 62 rules. OptiSaveTM is designed to be integrated in newbuild and retrofit applications and can be fully integrated into the overall control system.
Chief Electrician Zeljko Bui agrees “Installation and service of the system has been running without problems and we are already saving fuel”, he says.
”We are all “saving-nerds“ we save where we can. We also have CFLs in all lamps on board and vacuum toilets that use as little water as possible”, says Dieter with a huge smile on his lips.
Facts about OptiSaveTM onboard the vessels
The OptiSaveTM onboard this vessels in a combined solution for sea water and fresh water cooling.
The sea water pumps are 50kW and the fresh water pumps are 55kW. The system is controlled via a master control panel. The crew can operate the system from the engine control room, where the 8” Colour touch screen is installed in the desk.
Ernst Jacob (Gmbh & Co KG) have made the retrofit installation themself and commissioning was handled by DESMI.