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Tuesday, October 13, 2020 

Norwegian supplier of combined steam boilers Parat Halvorsen has launched a new multi-fuel boiler, the MCS combined exhaust gas / fuel-fired / electrical boiler, which enables ship operators to switch between different fuel sources to optimise efficiency.

The flexible configuration can cut emissions, provide additional electrical back-up during vessel operation, and enable vessels to use more sustainable and emission-free shore power where it is available. The boiler is suitable for a broad range of marine and offshore assets and provides a step toward decarbonisation. Potential markets in shipping include cruise, ferries and ro-pax ships.

The MCS boiler, with smoke tubes, is available in vertical or horizontal configurations and has been approved by most major classification societies. Its electrical connection is available at 400V, 440V or 690V depending on the vessel power distribution system.

Johnny Svindland, Head of Marketing, Parat Halvorsen, said: “The MCS has been designed for maximum flexibility in today’s multi-fuel environment. Now, with electrical connection, vessels will be capable of producing steam from other sources of power, including shore power to reduce emissions in port. The boiler is a really sound option for newbuilds where increased fuel flexibility for the steam system is of significant benefit.”

Operators of existing vessels with combined Parat boiler installations as well as boiler systems from other manufacturers can upgrade steam production arrangements with the Parat ECS Electrical Circulation Steam boiler, optimised for steam boiler retrofits. This allows users of existing steam boilers to add electrical system benefits, both via shore power-based steam production and back-up during transit. The compact solution enhances flexibility and reduces through-life maintenance costs in the process. 

The boiler, which can be set to automatic mode for unmanned engine room operation, can be used as a source of extra power during routine voyages and as a means of reducing fuel consumption. Similarly, its electrical connection can be delivered at 400V, 440V or 690V.  The unit’s programmable logic controller (PLC) can be connected to a vessel’s main control system by standard ethernet / profibus / modbus links.

Svindland said: “The ECS boiler can be added to any existing marine or offshore boiler to provide an electrical connection as a back-up, enabling generator loads to be optimised and for shore power to be used when available. Installations, which can be vertical or horizontal depending on layout and space constraints, can be undertaken on existing vessels in port or at sea, with the retrofit upgrade and boiler optimisation managed by Parat as a turnkey project.”

The ECS boiler is available as a standard modular unit in capacities up to 500kW, equivalent to 750kg/h of steam. More powerful units are available on request.

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