Rolls-Royce and Robert Allan Present The World’s First LNG-Powered Shallow-Water Push Boat Image Credit: Rolls-Royce
劳斯莱斯和罗伯特-艾伦推出世界首艘液化天然气动力浅水推船
RApide 2800-G 浅水推船,由 MTU 燃气发动机提供动力
Rolls-Royce and Canadian vessel designers Robert Allan have developed the world’s first shallow-water push boat powered by LNG natural gas engines. At the International Workboat Show in New Orleans, classification society DNV GL gave its “Approval in Principle” to the new design. Powered by two MTU 8V4000M55RN natural gas engines from Rolls-Royce and designed for use on inland waterways, the push boat is more cost-effective to operate, and produces less pollutants and climate-unfriendly exhaust gases than vessels with conventional propulsion systems.
Rolls-Royce and Robert Allan Present The World’s First LNG-Powered Shallow-Water Push Boat Image Credit: Rolls-Royce
罗尔斯-罗伊斯公司和罗伯特-艾伦公司合作设计的天然气浅水推船采用了罗伯特-艾伦公司经过验证的 RApide 2800-Z2 设计,该设计已用于亚马逊河上的一些柴油动力船上。该船的设计专门针对液化天然气进行了修改,以容纳两台 746 千瓦 MTU 8V4000M55RN 发动机(配有 IMO Tier III 排放控制系统)和整个液化天然气供应系统(也可从罗尔斯-罗伊斯公司获得),以及气体控制和安全系统和整个船舶控制系统。
船体(外观未变)经过重新设计,可容纳 70 立方米的煤气罐和常用的发动机装置,并为船员提供舒适的工作环境。下层船员舱、沙龙和厨房上移了一层,甲板室也扩大了。
The Approval in Principle from DNV GL certifies that the design complies with the classification society’s rules for classification of maritime vessels and the international safety regulations for vessels using gas or other low-flashpoint fuels. It is an independent evaluation of the design concept within a given framework and states that the design is fundamentally feasible and there are no fundamental implementation concerns.
液化天然气(LNG)这种燃料目前在海运界越来越受欢迎,它使运营商能够减少对环境和气候有害的排放物。液化天然气发动机不产生任何微粒,氮氧化物的排放量大大低于柴油发动机,而且总体上对气候更加友好。DNV GL预计,到2050年,天然气将满足超过40至80 %的船舶推进动力需求。此外,天然气(如有)的运行成本更低。
Stefan Müller, who heads up the Marine & Naval Application Center at Rolls-Royce’s Power Systems business unit, sees the use of high-speed, pure gas engines like the MTU Series 4000 as offering great potential in ports, coastal applications and inland transportation. To unlock this potential, a reliable fuel supply infrastructure will be required.
"市场对罗伯特-艾伦和罗尔斯-罗伊斯公司设计研究的兴趣证实了开发贫燃燃气发动机的决定是正确的。我们发现全球各地的运营商除了看到降低环境影响之外,还看到了运营成本的优势,"美洲海事与近海销售总监克里斯托夫-冯-班克(Christof von Bank)说。
罗尔斯-罗伊斯公司即将向德国南部的康斯坦茨市政工程公司(Stadtwerke Konstanz)交付首批 MTU 8V 4000 M55N 燃气发动机。这些发动机将用于为博登湖上第一艘液化天然气动力汽车渡轮提供动力。
RApide 2800-G 浅水推船的技术数据:
发动机2 x MTU 8V 4000 M55RN, IMO Tier III
输出功率每台 746 千瓦
总长度: 28 米
横梁: 10.05 米
上层3.2 m
吃水:2.5 米
液化天然气储罐容量: 70 立方米

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