Tag: dual fuel engines

  The Liberian Registry recently entered into a partnership with USbased consultancy EfficientShip Finance (ESF) to reduce global carbon emissions, enhance fleet efficiency and competitiveness, and promote a greener Liberian fleet. In addition, each ship in the programme will be entitled to a 50 per cent annual tonnage tax discount in the first year, and up to a 25 per cent discount in both the second and third years. ESF’s partnership with LISCR offers a complete turnkey energy-saving solution for ships on a global basis with an add-on specifically crafted for Emissions Control Areas (ECAs). ESF will provide the financial capital needed for each project, and assume responsibility for technology performance and fuel volatility risk, along with the technical supervision and monitoring to perform retrofits. Owners and operators remit to ESF a proportion of the amount they save on fuel costs, or which they receive in the form of additional negotiated hire. The ESF global programme includes an optimal mix of fuel efficiency retrofit solutions for each target vessel, based on its trading pattern, age, size, speed, and consumption. For ships trading within ECA zones, the programme may include the installation of exhaust scrubber systems or the conversion of engines ...

  Anthony Veder’s 6,500 cbm LPG/LEG/LNG carrier Coral Anthelia has been retrofitted with a dual-fuel (DF) engine that enables it to run on boil-off gas when transporting LNG. Having successfully completed its sea trials, the vessel operates in the North Sea and Baltic Sea and regularly loads LNG at the Rotterdam Gate Terminal. “This great result was achieved by committed partners working effectively together in a trusting and safe way. Not only was this project completed ahead of time and within budget, it was also executed without any safety incidents. This breakthrough innovation in the use of LNG for short sea shipping shows that retrofitting a tanker to run on LNG is both technically and financially viable”, says Anthony Veder CEO Jan Valkier. The vessel was delivered to Anthony Veder in 2013 with a conventional six-cylinder MaK M43C diesel engine. With the vessel’s design already optimised for ethylene trading, a new target was set: consumption of the boil-off gas as fuel when carrying LNG and without completely replacing the one-and-a-half year old engine. The solution was found by retrofitting the engine to make it a MaK M46 dual-fuel engine. This was achieved making use of a dedicated package that recently ...

Three large new escort tugs contracted by Norwegian operator Østensjø Rederi, will feature Wärtsilä dual-fuel (DF) engines integrated with a customized gas storage and supply system also supplied by Wärtsilä. The tugs will operate primarily on LNG (Liquefied Natural Gas) but the Wärtsilä DF engines provide the flexibility to select the most suitable fuel according to availability, price and local environmental restrictions. The contract for the Wärtsilä solution was signed in December 2014. The design of the tugs has been carried out by the designer Robert Allan Ltd in Canada, in close cooperation with Østensjø Rederi. The overall LNG system, which incorporates Wärtsilä’s unique LNGPac fuel system, a fully integrated gas handling system, and the Wärtsilä Gas Valve Unit (GVU), has been specially designed by Wärtsilä to accommodate the need for a compact solution. The tugs will be powered by 6-cylinder Wärtsilä 34DF dual-fuel engines. The Wärtsilä equipment will be delivered during the first half of 2016. “These are trend setting tugs in that they provide environmental sustainability through the use of LNG fuel. Wärtsilä is the technology leader in making this trend possible. At the same time, the flexibility of the dual-fuel engine technology also ensures a high level ...

GE’s Power Conversion business announced that it had received a new order from Kawasaki Heavy Industries, Ltd. for electric power and propulsion systems for two LNG carriers. The LNG carriers will be built for the purpose of transporting LNG from Louisiana, USA. Their construction is scheduled to be completed from 2017 through 2018. From the perspective of improved performance, electric propulsion technology is optimal for LNG carriers. GE’s robustly simple induction-based propulsion motor technology and high output power pulse width modulation (PWM) technology improve reliability and help lower maintenance costs for vessels. “GE has demonstrated a low risk solution to KHI, showing professionalism in the execution plan and a high standard of quality control of their equipment which is the result of extensive experience in the supply of 65 Dual Fuel Diesel Electric (DFDE) drive systems with induction technology for LNG carriers over the last decade. GE is happy to forge this new partnership with a key player in the Marine industry showing its future commitment to Japanese customers.” said Paul English, Marine Business Leader, GE Power Conversion. The technology that GE Power Conversion has introduced to the maritime industry comes with an extensive track record and is currently used ...

Meriaura Group is strengthening its position at shipping market by expanding its fleet, and has entered into a contract with Dutch shipyard Royal Bodewes for building two 4700DWT VG EcoCoaster general cargo vessels. The contract for two newbuildings was signed in Turku in December. The delivery of the first vessel is due at the end of July, 2016 and the second will follow three months later. VG EcoCoaster is designed to cause considerably less environmental impact than conventional dry cargo vessels. The hull and machinery of the newbuildings are optimized to the speed of 10,5 knots in open water conditions. Power required for Ice Class 1A is achieved by a diesel electric driven booster unit. The aim is to almost halve the fuel consumption compared to conventional dry cargo vessels of similar type and size, and therefore also cut emissions remarkably. The vessels will be equipped with a dual fuel system, main engine ABC 8DZC being suitable for biofuel and MGO. Biofuel for the vessels is produced in VG-Shipping’s (part of Meriaura group) own refinery located in Uusikaupunki. Meriaura is expanding and regenerating its fleet. In December the company reported of time chartering four more dry cargo vessels. The regeneration aims ...

Caterpillar Marine announced the successful completion of the commercial marine industry’s first dual fuel engine retrofit conversion in hull. Performed in under six weeks, Caterpillar Marine along with Cat® dealer Bolier, completed an in hull retrofit onboard the Coral Anthelia, an Anthony Veder LNG carrier vessel. The MaK™ M 43 C diesel engine was retrofitted to the 6 cylinder M 46 dual fuel platform, with each cylinder offering 900 kW of rated power. As a result of performing the retrofit within the hull, no modifications had to be done to the ship’s structure and no docking was required. “Caterpillar is firmly committed to providing sustainable, flexible solutions that enhance our customers operations. We’re proud of the collaborative effort between Anthony Veder, Cat dealer Bolier and our engineering team to successfully achieve a beneficial industry milestone,” Karl Vollrath, Caterpillar Marine customer service manager noted. “As an LNG carrier operating in waters impacted by SECA regulations, the Coral Anthelia will be able to optimize its performance utilizing LNG, heavy fuel oil or diesel.” With a bore of 460 millimeters and stroke of 610, the M 46 dual fuel engine was designed for electric drive propulsion systems as well as mechanical propulsion systems. Although ...

ClassNK has granted approval to the design of the new 28AHX-DF dual-fuel engine developed by Niigata Power Systems. The new engine is slated to be used as the main engine on a new LNG-fuelled tugboat being built by Keihin Dock Co., Ltd. for NYK Line. The vessel will be Japan's first LNG fuelled vessel, excluding LNG carriers. New regulations for Emission Control Areas (ECA), including new stricter limits on sulfur emissions as well as the IMO's Tier III NOx emission limits, are driving demand for new engine and emission control technologies. The high costs associated with low sulfur fuels, and the increasing availability of LNG is driving both vessel owners and machinery manufacturers to consider the use of LNG as a vessel fuel. Niigata's 28AHX-DF is a medium-speed duel-fuel engine with a maximum rated power per cylinder of 320kW and was developed for use primarily in offshore support vessels and tugboats. The engine, which operates on both diesel fuel and LNG, will meet the strict 0.1% sulfur emissions regulations in the ECA that are set to go into effect in 2015, as well as comply with the IMO's stringent Tier III NOx emission requirements. Technologies used in the new engine ...

The Daewoo Shipbuilding and Marine Engineering (DSME) yard in South Korea has ordered a total of 54 Wärtsilä dual fuel engines to power 172,600 cbm icebreaking LNG carriers being built for use in arctic conditions to serve the Yamal LNG project in Northern Russia. The ships will be owned by one joint venture between Teekay LNG Partners of Canada and China LNG Shipping (CLNG), and another joint venture between China Shipping LNG Investment Co.,Ltd. (CSLNG) and Japan based Mitsui O.S.K. The order for engines was placed with Wärtsilä’s Korean joint venture company, Wärtsilä Hyundai Engine Co., (WHEC) in October. The Wärtsilä machinery is capable of operating on liquefied natural gas (LNG), heavy fuel oil (HFO), or low-viscosity marine diesel oil (MDO) but LNG will be the main type of fuel to be used. When operating in arctic waters the engines will be operating in ambient temperatures of as much as minus 50 degrees Celsius on LNG carriers breaking through ice more than two metres thick, in operating modes that allow dramatic variations in engine load within a limited period of time. Wärtsilä’s ability to meet these demanding design criteria was a key factor in the award of this contract. For ...

MAN Diesel & Turbo has received an order for four MAN B&W 5G70ME-GI engines in connection with Daewoo Shipbuilding & Marine Engineering Co., Ltd. (DSME) agreeing a deal with the BW Group to build two LNG carriers. The technical engine specification complies with IMO Tier II, with options to include remedies for Tier III compliance at a later stage. The 173,400 m3 vessels are scheduled for delivery in late 2017/early 2018 and will be built at DSME’s Okpo shipyard in Geoje, Korea. The deal represents the second LNG ME-GI contract for DSME after a previous order signed in 2012. Compliance with IMO Tier III regulations basically requires an 80% reduction in NOx emissions – compared to Tier I – within the designated emission control areas (ECAs) over a defined test cycle. MAN Diesel & Turbo has successfully developed two main approaches to comply with these challenges: Selective Catalytic Reduction (SCR), which involves the catalytically accelerated reaction of nitrogen oxides with ammonia to form water and nitrogen, and Exhaust Gas Recirculation (EGR), which works by recirculating a portion of an engine's exhaust gas back to the engine cylinders. Both methods enable compliance with the most stringent of regulations and give the ...