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针对几家船厂82 000 DWT散货船舾装生产设计中出现的问题,分析产生问题的原因,提出解决问题的方法。减少舾装件材料规格,提高分段舾装件预装率,优化制作和安装工艺。比较不同设计单位之间的设计方法,磨合出图模式和出图标准。创造输入条件,提前建模,尽早暴露出专业之间的碰撞和布置等问题。这为后续同类型船提供了设计和建造经验。 相似文献
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《Maritime Policy and Management》2007,34(6):577-590
Despite a strong linkage with the macro-economic course, the bulk shipping market, in the short period, follows a typical cyclic pattern, where continuous freight adjustments balance demand and supply movements.
In this context—widely unstable but quite regular in its general scheme—the shipowners may have enough competencies and information to take logical and consistent decisions about ship purchasing and chartering.
Yet, why do they periodically make mistakes?
The analysis of shipowners' behaviour provides a reasonable answer: mistakes incur when they ignore or undervalue the market trends, following their personal intuition or even unwisely imitating their competitors.
The analysis of the Handysize segment among the bulk shipping business offers a significant example of the lack of timeliness in shipowners' behaviour: after a long period of disregard, operators began to notice the opportunities of this market niche and they are now heavily investing in minor units. Maybe it's not too late, but the market has already changed and only a few brave—or lucky—shipowners took advantage of the magic moment. 相似文献
In this context—widely unstable but quite regular in its general scheme—the shipowners may have enough competencies and information to take logical and consistent decisions about ship purchasing and chartering.
Yet, why do they periodically make mistakes?
The analysis of shipowners' behaviour provides a reasonable answer: mistakes incur when they ignore or undervalue the market trends, following their personal intuition or even unwisely imitating their competitors.
The analysis of the Handysize segment among the bulk shipping business offers a significant example of the lack of timeliness in shipowners' behaviour: after a long period of disregard, operators began to notice the opportunities of this market niche and they are now heavily investing in minor units. Maybe it's not too late, but the market has already changed and only a few brave—or lucky—shipowners took advantage of the magic moment. 相似文献
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Roberta Scarsi 《Maritime Policy and Management》2013,40(6):577-590
Despite a strong linkage with the macro-economic course, the bulk shipping market, in the short period, follows a typical cyclic pattern, where continuous freight adjustments balance demand and supply movements. In this context—widely unstable but quite regular in its general scheme—the shipowners may have enough competencies and information to take logical and consistent decisions about ship purchasing and chartering. Yet, why do they periodically make mistakes? The analysis of shipowners’ behaviour provides a reasonable answer: mistakes incur when they ignore or undervalue the market trends, following their personal intuition or even unwisely imitating their competitors. The analysis of the Handysize segment among the bulk shipping business offers a significant example of the lack of timeliness in shipowners' behaviour: after a long period of disregard, operators began to notice the opportunities of this market niche and they are now heavily investing in minor units. Maybe it's not too late, but the market has already changed and only a few brave—or lucky—shipowners took advantage of the magic moment. 相似文献
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从中国散装谷物运输现状出发,分析散装谷物船舶安全管理的实践做法,提出制定国内散装谷物船舶安全管理程序文件,并配套建立国内航行非散装谷物专用船舶数据库、编制散装谷物船舶装载核算软件、细化对散粮船的现场检查工作等安全管理建议。 相似文献
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载重量58 000 t散货船作为我公司推出的新一代大型灵便型散货船,对比之前的55 000 t散货船,以其较大的装货量及较低的耗油率,得到了船东的广泛认可。58 000 t散货轮的创新设计很多,以变压器的选型为例介绍其创新之处。 相似文献
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普通的散货料斗无法进行物料的计量,不便于生产管理。称重式散货料斗实现了散粮卸船过程中对系统的远程控制和物料流量的动态监测,提高了散货料斗的自动化程度。称重式散货料斗的联锁功能,增强了散粮接卸系统的稳定性、可靠性,有助于提升系统的生产效率。 相似文献
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Spurred by the expanding bulk shipping and technological innovations, dry bulk vessels have gained considerable development in ship types, ship design, and operation since the invention of the first specialized dry bulk carrier in the early 1950s. However, questions like: what changes in technical specifications have occurred for dry bulk vessels during the past four decades; what triggered these changes and what impacts have these specific changes had on shipping costs or earnings potential, have never been examined systematically in previous work. Subsequently, this article attempts to investigate changes in main technical specifications and relationships between the main technical variables and their economic performance measured by costs and revenues of dry bulk carriers. Technical changes in speed, deadweight, lightweight, and engines are checked for the main types of dry bulk vessels, and trends revealed in these developments are demonstrated to be the consequences of both technical improvement and economical considerations. Additionally, it has been found that the earnings potential differs much from dry bulk vessels with different technical specifications. This can be manifested in the sensitivity analysis. The analysis of this article may contain useful information to practitioners of dry bulk shipping in guiding their market decisions about ship building and operations. 相似文献
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相对于建设固定式港口散料码头,浮式散料转运系统具有对水域条件适应性强、作业机动灵活、服务半径广、
投资收益率高等特点。该系统在港口航道通航水深、码头结构靠泊能力及建设条件等受限情况下,提供了一种经济、便捷的散
料转运解决方案。分析几种浮式散料转运系统的组成、作业特点和应用情况,为我国发展浮式散料转运系统提供借鉴。 相似文献
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近期,国内沿海散货运输市场对新型高效的国内航行散货船需求量增大。现以新开发的45000吨级散货船为例,介绍国内航行散货船的总体设计特点,并就如何绘制恰当的载货量曲线提出了建议。 相似文献
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传统的散粮集装箱装箱工艺存在许多不足,有必要进行分析和改进。详细分析了集装箱倾翻工艺和散粮装集装箱工艺的现状。阐述了散粮装集装箱工艺发展的要求和趋势。可为其它散货装集装箱工艺提供参考。 相似文献
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针对37 000 DWT大开口散货/运木船,比较大开口型散货船与普通散货船特点,分析大开口型散货船运木功能的实现方面需要注意的绑扎系统的布置与强度、安全通道的布置与操作空间、甲板面布置与舾装件的保护等的设计要点,给出设计方案和建议。 相似文献
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介绍了上海港研发并应用的全自动散货抓斗卸船机、全自动散货装船机和全自动斗轮堆取料机的关键技术与实现原理,包括远距离物料轮廓检测技术、适用于散货船舶与散货堆场的装卸设备自动控制技术、智能辅助决策、计算机网络等先进技术,以及这些技术与装备的集成应用和一体化控制的实现。该项技术的研究成功,使我国实现了港口散货的高效自动装卸及堆场作业,实现了港口散货作业的管理与控制一体化,为建设全自动散货码头奠定了基础。 相似文献
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通过对过去十多年来的散货船安全事故统计进行分析,介绍了散货船的安全问题并计算了各舱室的进水概率,重点介绍了散货船的危险因素和需要加强或改造的区域.根据双壳体的一些试验,分析了双舷侧散货船的安全提升和一些值得商榷的问题并提出了通过改进结构型式解决安全问题的观点. 相似文献