Underwater vertical lifting scheme for commercial mining of deep-sea polymetallic nodules

被引：0
|
作者：
Kang Y.-J. [1 ]
Wang C.-W. [1 ]
Liu S.-J. [2 ,3 ]
Zou W.-S. [4 ]
Xu Y.-X. [5 ]
机构：
[1] School of Mechatronics Engineering and Automation, Foshan University, Foshan
[2] Shenzhen Research Institute of Central South University, Shenzhen
[3] National Key Laboratory of Deep Sea Mineral Researches Development and Utilization Technology, Changsha
[4] School of Mechanical and Transportation Engineering, Hunan University, Changsha
[5] College of Network Technology, Hunan Open University, Changsha
来源：
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals | 2021年 / 31卷 / 10期
关键词：
Air lifting; Commercial exploitation; Hydraulic lifting; Lifting system design; Polymetallic nodules;
D O I：
10.11817/j.ysxb.1004.0609.2021-37999
中图分类号：
学科分类号：
摘要：
Elevating polymetallic nodules from thousands of meters of seabed to the supportive vessel is a crucial part of mining operations. Firstly, this paper elaborates on the requirements of the deep-sea polymetallic nodules commercial exploitation for the conveying system. Then, the working principles and performance indicators of the current air and hydraulic lifting methods were summarized. Furthermore, the influence of the leading lifting parameters on the system's performance was presented, and the two lifting methods were compared within the aspects of system structure reliability, economy, energy efficiency index and capacity realization. Through comparative analysis, it is concluded that hydraulic lifting method is more suitable for commercial mining of deep-sea polymetallic nodules. On this basis, the design and research of underwater vertical lifting system for commercial mining of deep-sea polymetallic nodules are carried out, and the basic technical scheme of underwater vertical lifting system for commercial mining of deep-sea polymetallic nodules is proposed. Finally, the technical feasibility and the applicability of the design theory and method of underwater vertical lifting system for commercial mining of deep-sea polymetallic nodules are analyzed and verified by the water test and slurry transport test of the lifting pump prototype. This study provides reference and guidance for the research and development of deep-sea mining technology and equipment. © 2021, China Science Publishing & Media Ltd. All right reserved.
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页码：2938 / 2952
页数：14
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