世界最大抓斗挖泥船现身广西北部湾海域|精品国产不卡一区二区三区
中新网防城港11月14日电(林振宇 朱宝柱)近日,世界最大抓斗挖泥船“金广”现身广西北部湾海域,即将投入防城港港30万吨级进港航道扩建工程施工,推动项目迈入高效攻坚的新阶段。
“金广”隶属于中交广航局,被誉为“世界第一抓”,是环保清礁的“国之重器”。船舶配备200立方米和136立方米两个大型液压抓斗,最大吊重达690吨,其核心优势是“高效开挖+生态保护”。针对航道建设中的清礁难题,136立方米液压抓斗可直接开挖强风化岩,代替传统爆破工艺,从源头上避免了爆破作业对海洋生态的扰动;船舶搭载的一体化“环保利器”防污装置,如同精密滤网般隔绝施工产生的疏浚物,最大限度地减少疏浚物对海洋环境的影响,守护海水清澈的原生态底色。

“金广”200立方米液压抓斗擅长开挖泥沙,40分钟就可以装满一艘2000立方米泥驳,施工效率较传统船舶提升数倍,将大幅缩短工程建设周期。投入施工后,“金广”将充分发挥其“挖得快、精度高、生态友好”综合优势,为工程高标准高质量推进提供保障。
防城港港作为北部湾国际门户港的核心枢纽,水域船舶密集、航道进出狭窄,工程面临“边施工边通航”的考验。值得关注的是,“金广”采用的钢桩无锚缆定位方式,施工占用水域仅需传统抓斗船施工作业面的二十分之一,可在通航密度高的港池及航道附近作业,实现“边通航边施工”的无缝衔接。针对该水域潮差变化大的特点,钢桩无锚缆定位可以实现短距离自主移动,提升船舶的机动性。当潮水较高时,船舶只需5分钟时间就能直接进入浅水区展开作业。当潮水不足时,船舶可以快速脱离浅水区,规避船舶搁浅的风险,破解了复杂水文条件下的施工难题。
作为北部湾国际门户港建设的核心工程、西部陆海新通道的关键节点项目,防城港港30万吨级进港航道扩建工程的战略意义重大。项目建成后,将满足30万吨级巨轮趁潮单向通航要求,构建起一条高效便捷的“海上高速通道”,增强北部湾国际门户枢纽海港的区域核心竞争力,提升防城港作为大宗货物中转枢纽的辐射能力与核心地位。(完)
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