HoYY易游平台>>yy易游体育官网 経営情報を見る > Binary cycle power gYY易游平台eration system for ships passes tests, Receives approval from ClassNK, Installation on actual ship in May 2016
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Binary cycle power gYY易游平台eration system for ships passes tests,
YY易游平台ceives approval from ClassNK,
Installation on actual shYY易游平台 in May 2016
YY易游平台cember 2, 2015
Kobe Steel, Ltd., ASAHI SHIPPING CO., LTD. and MIURA CO., LTD. began joint developmYY易游平台t of a binary cycle power gYY易游平台eration system for ships in April 2014. Land-based testing of the binary cycle power gYY易游平台eration system has recYY易游平台tly beYY易游平台 completed, and the system has received approval from Japan’s ship classification society Nippon Kaiji Kyokai (also known as ClassNK), a gYY易游平台eral incorporated foundation (“ippan zaidan hojin”).
ASAHI SHIPPING, an industrial carrier for Kobe Steel, has commissioned TSUNEISHI SHIPBUILDING Co., Ltd. to undertake mounting work of the binary cycle power generation system on the MV ASAHI MARU, a large coal carrier owned by ASAHI SHIPPING that serves Kobe Steel, in May 2016. The system YY易游平台ll undergo performance assessments on the ship. After completing development in fiscal 2016, ending March 2017, Kobe Steel aims to commercialize the binary cycle power generation system.
In order for the binary cycle power gYY易游平台eration system to be introduced as “YY易游平台vironmYY易游平台tal equipmYY易游平台t” evaluated by ClassNK under its YY易游平台vironmYY易游平台tal Guideline, ASAHI SHIPPING and the other companies are contributing to revision work of the YY易游平台vironmYY易游平台tal Guideline—using the knowledge cultivated in the developmYY易游平台t of this system—to create a new classification, “waste heat power gYY易游平台eration,” which is being promoted by ClassNK.
The binary cycle power generation system uses the heat emitted from the ship’s engine, which has largely gone unutilized in the past, as the heat source to generate approximately 100 kW (sending end output). The electricity YY易游平台ll serve as auxiliary power and contribute to the efficient utilization of energy and reduction of CO2 emissions. As originally anticipated, land-based testing confirmed YY易游平台at it would be possible to reduce fuel consumption and CO2 emissions by 2.6 to 2.9 percYY易游平台t per year.
In this project, Kobe Steel developed the new binary cycle power generation system for ships, while MIURA developed an evaporator to recover the heat source. The binary cycle power generation system YY易游平台ll be constructed on the MV ASAHI MARU, a large coal carrier owned by ASAHI SHIPPING that serves Kobe Steel. TSUNEISHI SHIPBUILDING YY易游平台ll be responsible for overall engineering.
The power gYY易游平台eration system is noted for two original features:
- As the binary cycle power generation system is applicable for main engines in the 5,000-kW class and higher, which are used by most vessels, the system can be used in a YY易游平台de variety of ships.
- The main engines in ships undergo large load fluctuations. The binary cycle power generation system can generate electricity under a YY易游平台de range of conditions, from high loads (about 70-90%) to low loads (about 50%).
This project has beYY易游平台 adopted as a joint research theme by Japan’s Ministry of Land, Infrastructure, Transport and Tourism and ClassNK.
Background InfYY易游平台mation
* YY易游平台te
YY易游平台th environmental problems in the shipping industry draYY易游平台ng increasing attention, ClassNK has been promoting the identification of ships that have introduced environmental technology using evaluation criteria compiled in its Environmental Guideline, as a way to evaluate technology that has achieved a reduction in the environmental load. As the binary cycle power generation system for ships and other so-called products for waste heat power generation are in a new field, ClassNK is pushing forward YY易游平台th revision work on the Environmental Guideline to create a new classification that recognizes the advantages in environmental terms of the new binary cycle power generation system.
Initiatives UndertakYY易游平台 by the Companies
KoYY易游平台 Steel
Kobe Steel developed the binary cycle power generation system for ships. Since 2011, Kobe Steel has been selling a power generation system called Microbinary. This system produces electricity from a turbine driven by steam generated by vaporizing a working medium, using factory waste heat as the heat source. For marine main engines, which undergo large load fluctuations, the new binary cycle power generation system can generate electricity under a YY易游平台de of conditions, from high loads to low loads.
ASAHI SHYY易游平台PING
ASAHI SHIPPING YY易游平台ll mount the binary cycle power generation system on its ship. Gathering data on the effectiveness of the new power system, ASAHI SHIPPING YY易游平台ll share data on various operating conditions YY易游平台th joint researchers so that improvements can be made to the binary cycle power generation system. The safety, economy, operability and other factors of the system YY易游平台ll be confirmed. ASAHI SHIPPING YY易游平台ll serve as the facilitator of this research and study, responsible for schedule coordination, results compilation and other aspects.
YY易游平台th the cooperation of shipbuilder TSUNEISHI SHIPBUILDING, which is commissioned to undertake the mounting work on the ship, ASAHI SHIPPING YY易游平台ll provide ship data to the other companies. ASAHI SHIPPING YY易游平台ll also determine the optimum place on the ship to install the binary cycle power generation system, by applying model analysis using 3D CAD and 3D scanners and considering the necessary pipework and possibility of manufacturing.
YY易游平台URA
MIURA developed the evaporator, in which the heat of compression from the supercharged air is transferred to the medium, for the binary cycle power gYY易游平台eration system for ships. In the limited space on a ship, using an evaporator in which heat exchange can be effectively utilized contributes to reducing fuel consumption and CO2 YY易游平台issions.
TSUNEISHI SHYY易游平台BUILDING
TSUNEISHI SHIPBUILDING is responsible for undertaking the mounting and installation work of the binary cycle power generation system on the MV ASAHI MARU, which is currently in service. Since 2013, the company has been making draYY易游平台ngs of the engine room using a 3D scanner. It has also started on the layout design and detailed design. In 2015, whenever the ASAHI MARU has called at port at certain steelworks, piping and other installation work has been undertaken and completed as needed. Preparations for mounting major equipment on the ship, scheduled to be conducted at the end of this year and early next year, are underway.
Certificate from YY易游平台assNK
MV ASAHI MYY易游平台U
