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Low-emission power generation in Malta

SAACKE equips Floating Storage Unit (FSU) with low NOX dual-fuel system

Task

Implementation of a low-emission and compact dual-fuel  combustion system on a FSU with the shortest possible project duration for efficient onshore power generation using LNG.

Solution

SAACKE FMB-VD boiler including DDZ-G burner and other  customized components from a single source, jointly implemented by several international company locations within nine months.

Up until the late summer of 2016, electricity for the over 400,000 inhabitants of Malta was still being produced by oil-fired power plants. ElectroGas Malta Ltd commissioned Bumi Armada Berhad, a Malaysia-based international offshore energy facilities and services provider to convert an LNG tanker into a Floating Storage Unit (FSU) for lower emission and more efficient power generation. Today, the “Armada LNG Mediter-rana” with a volume of 125,000 m3 serves as a storage facility for liquefied natural gas and permanently supplies LNG to the Delimara onshore regasification plant. As part of this major project, Bumi Armada ordered two SAACKE D-type FMB-VD boilers, each with a capacity of 20 tons of superheated steam per hour. The low NOx design guarantees the lowest emission values of 100 mg/m3 in gas operation and 450 mg/m3 in oil operation, which means that the strict statutory requirements for operation at the supply pier can be safely met.

„SAACKE works efficiently,  competently and in a service-oriented manner. I would not hesitate to work with these experts again at the next opportunity.“

- Gianluca Orlandi, Project Manager at Bumi Armada

Compact solution in the shortest possible time
The project‘s time and space requirements were a further chal-lenge: Only nine months were available for the entire implemen-tation between the signing of the contract and initial operation. Just two weeks were available for implementation in the dry dock. In addition, the narrow installation slot required a com-pact boiler, which is why SAACKE adapted the components individually to the dimensions of the ship‘s engine room.

All advantages at a glance

  •  Customized system including all components from a single source
  • Low NOX technology “Made in Germany” guarantees
  • compliance with the most stringent emissions values in gas and oil operation
  • Compact and made-to-measure boiler solution for limited ship infrastructure
  • Maximum explosion protection through Gas Valve Units
  • International project implementation in the shortest possible time

The SAACKE solution in detail

In addition to the two low NOX boilers with superheaters and flue gas recirculation, the scope of services included four vapor coolers, a feedwater pump assembly and two DDZ‐G burners. SAACKE also supplied all other components of a complete dual-fuel combustion system from a single source – ranging from fans, Gas Valve Units (GVU) and oil fittings to boiler control cabinets. Good networking and well coordinated cooperation among the international SAACKE locations played a decisive role here: While the representation office in Singapore ensured close contact with the customer in Malaysia, the two boilers were designed in Kiel and produced at SAACKE‘s Chinese production facility in Qingdao. The superheaters were fabricated in Croatia and the burners were manufactured by the experts at the Bremen headquarters in northern Germany, where the project coordination was also located.

Conclusion

A challenging schedule, compliance with stringent emissions re-gulations and adherence to the compact dimensions – SAACKE was able to master all of these challenges within the scope of the FSU project. For this reason too ElectroGas Malta proudly regards the implementation as a milestone in the local energy supply. Emissions were cut by 50% and fine particulate forma-tion by 93%, while efficiency increased by half. The company received the award for Best European Energy Project 2015.

We believe, that energy
generation from fossil
fuel combustion can be
as efficient and clean as
from sun, wind and water.