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Research Papers

Research on the Pump–Vessel Combined Ore Lifting Equipment for Deep-Sea Rigid Pipe Mining System

[+] Author and Article Information
Xu Hailiang

The College of Mechanical and Electrical Engineering, Central South University, Changsha, Hunan 410083, P. R. Chinahailiang-xu@yahoo.com.cn

J. Offshore Mech. Arct. Eng 130(1), 011010 (Feb 20, 2008) (5 pages) doi:10.1115/1.2427070 History: Received June 26, 2006; Revised September 19, 2006; Published February 20, 2008

It is known from the principle that the pump–vessel combined ore lifting method has high head, large ores lifting capacity, and long-term working reliability. When applied to the deep-sea rigid pipe mining system, the main pump and power equipment installed on the mining ship is more convenient to operate and maintain. According to Bernoulli’s equation and two phases of hydrodynamics theory, the ore lifting equipment parameters have been calculated and analyzed. It is known that the pump head H of 1000m sea mining system is 124172m and that of 5000m sea mining system is 652760m. It is known that the pump–vessel combined lifting method is feasible in both theory and practice, therefore it is an ideal ore lifting method for a deep-sea rigid pipe mining system.

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Copyright © 2008 by American Society of Mechanical Engineers
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Figures

Grahic Jump Location
Figure 1

Slurry pump ore lifting method

Grahic Jump Location
Figure 2

The pump–vessel combined ore lifting equipment

Grahic Jump Location
Figure 3

The new rigid and flexible pipe mining system

Grahic Jump Location
Figure 4

The underground mining pump-vessel combined slurry transporting equipment. Adopting the above mentioned slurry transporting equipment, Taolin the lead–zinc mine company has transported slurry for 280m up to the ground. The type of the pump is D25‐50×7, the pump head is 336m, and the flow is 28m3∕h. This slurry transporting equipment is also adopted in other Chinese mines to transport slurry, thus it can also be applied in deep-sea mining to transport ores.

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