On August 9th, the domestic first DMD-Wartsila 6RTflex58T-D intelligent mainframe was delivered in the second-phase factory of Dalian Marine Diesel Engine Co., Ltd. ( DMD). The 6-cylinder mainframe has a maximum output of 12,240 kW (18,440 hp) and uses an economical combustion mode with an average effective pressure of 18.3 bar, a maximum burst pressure of 160 bar and a total weight of 322 tons, which is classified by the CCS Classification Society. The aircraft will be installed on a 93,000-ton bulk carrier built by Shanhaiguan Shipbuilding Heavy Industry Co., Ltd. for Hebei Ocean Shipping Group Co., Ltd.
The RT-flex58T-D is an optimized model based on the original RT-flex58T-B mainframe. Compared with the traditional RT-flex58T-B mainframe, the new RT-flex58T-D is more fuel efficient, more environmentally friendly, lower cost and more efficient. In terms of emissions, the new design meets the IMO International Maritime Organization's Tier II emission standards and lays the foundation for a higher level of Tier III standards. In terms of fuel consumption, due to the precise injection timing function of the EFI machine, the main engine can adopt different combustion modes under different working conditions, so the main engine fuel consumption is greatly reduced. In terms of oil consumption, the machine adopts CLU-4 pulse cylinder lubrication, and the cylinder oil timing injection replaces the previous flooding lubrication method, which significantly reduces the oil consumption. In the context of the sluggish shipping industry and high oil prices, low fuel consumption hosts are popular with shipowners. The RT-flex58T-D mainframe is becoming the mainstream model in the shipbuilding market today, and the market prospect is very broad.
Because the aircraft is the latest model launched in the world, shipowners and shipyards are relatively unfamiliar and lack operational experience. Therefore, they have doubts about the installation and commissioning and operation of the mainframe, and at the same time put forward more additional requirements. In order to achieve customer satisfaction, the company made a large number of design modifications and order modifications, and finally the shipowner shipyard received satisfactory results. In order to enable the shipowner to avoid losses caused by unfamiliar operation in the future navigation operations, several supervisors were sent to teach them the overall structure, electrical wiring, piping connection and operation installation of the RT-flex58T-D mainframe. Detailed explanation and analysis; and on-site analysis of the host's control operation status during the inspection process, so that the shipowner can fully understand this latest high-tech host, so that they can build confidence and master the ability of safe and stable operation.
This 6RT-flex58T-D mainframe has been successfully delivered. It is a wonderful abbreviation of the company's R-flex58 mainframe R&D and construction history in the past 10 years. From the successful inspection of the world's first 7RT-flex58T-B host in 2005, and the successful delivery of the first new 6RT-flex58T-D mainframe in 2011, it marks that the company has always been at the forefront of the world's machine-building level, and it also marks The company has always occupied the main market share of domestic RT-flex58 mainframe construction.
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