Development of the -state-of-the-art Binary Power Generation System

Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd. (MHI-MME) has developed the-state-of-the-art binary power generation system based on Organic Rankine Cycle technology (WHR-ORC system)(*1) mainly for waste heat recovery from sulfur free fuel burning engines , which are becoming mainstream in the transition to a low-carbon and decarbonized society. It consists of a lineup of three models that cover rated outputs of between 200kW and 700kW and is capable of being used on a wide range of vessel types.

The WHR-ORC system is the most advanced waste heat recovery system with high thermal efficiency characterized by oil-free, fully sealed, and maintenance-free. It was developed by combining MHI-MME’s marine waste heat recovery system – which includes waste gas economizer, steam turbine, and power turbine (gas turbine) that have accumulated many achievements to date – with the superior centrifugal chilling technology possessed by MHI Group company Mitsubishi Heavy Industries Thermal Systems, Ltd.. In the future, we can expect the achievement of high efficiency and energy-saving in engines powered by carbon-free fuels such as hydrogen and ammonia as well as by carbon-neutral fuels, including biomethane and bio-methanol.

Research and development for fuel conversion and the application of environmental technologies are progressing at a rapid pace in the marine vessels and maritime fields. They include R&D as measures to comply with EEDI (*2), EEXI (*3), the tightening of reduction regulations, GHG emissions regulations in various fields as well as for zero-emissions-related efforts.

To contribute to decarbonization in the maritime industry, MHI-MME is utilizing the MHI Group’s wide range of technologies while accurately grasping changes in the market environment as well as the diversifying customer needs. MHI-MME will continue to proactively undertake the creation of new technologies and products.

       WHR-ORC system (Model: MWT-ZD600M)                                                            WHR-HWE (*4)