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Ore mixed conveying hose system for spiral winding positioning and shaping

A spiral winding and hose technology, which is applied in transportation and packaging, ship parts, ships, etc., can solve the problems affecting the flow of slurry in the riser, the bending stiffness of the flexible hose is small, and the service life of the flexible riser is affected, so as to increase reliability. Performance and operability, improved adaptability, and improved service life

Pending Publication Date: 2020-02-07
CHINA MERCHANTS MARINE & OFFSHORE RES INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the bending stiffness of the flexible hose is relatively small, which easily leads to large deformation and dynamic response of the flexible riser under the excitation of dynamic load in the marine environment, which affects the flow of the slurry in the riser and affects the service life of the flexible riser

Method used

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  • Ore mixed conveying hose system for spiral winding positioning and shaping

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Embodiment Construction

[0012] In order to deepen the understanding of the present invention, the specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. This embodiment is only used to explain the present invention and does not constitute a limitation to the protection scope of the present invention.

[0013] Such as figure 1 As shown, the ore mixed transportation hose system with spiral winding positioning and shaping includes hose system 1, hose system 1 includes transportation hose 2, and transportation hose 2 is spirally connected to the outside of mooring line 3, so as to facilitate the tension of mooring line Adjustment and installation at sea, the mooring line 3 has the characteristics of adjustable tension and wear resistance, which can limit the position (shape) of the transportation hose and restrain the dynamic response of the flexible hose in the sea; one end of the mooring line 3 is connected to The seabed ore lif...

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Abstract

The invention discloses an ore mixed conveying hose system for spiral winding positioning and shaping. The system comprises a hose system; the hose system comprises a conveying hose; the conveying hose is spirally connected to the outer side of a mooring cable; one end of the mooring cable is connected with a seabed ore lifting pump and fixed on a seabed through an anchor mooring device at one endof the seabed ore lifting pump, and the other end is connected with a tensioner of a water mining ship; the tension of the mooring cable is adjusted through withdrawal and releasing of the tensioner;and one end of the conveying hose is connected with the seabed ore lifting pump, and the other end is connected with the water mining ship. The self weight of the hose system is increased; the axialrigidity of the hose system is improved; the dynamic response of the conveying hose under the wave effect is inhibited; the ore conveying reliability and efficiency are improved; the fatigue loss is effectively reduced; and the service life is prolonged.

Description

technical field [0001] The invention relates to a helically wound, positioned and shaped ore mixing hose system. Background technique [0002] There are abundant high-grade mineral resources in the deep sea. However, deep-sea mineral deposits are generally distributed in extremely deep waters, and the lifting system is a very important subsystem in the deep-sea mining system. The lifting system consists of a lifting pump and a transport riser, where the transport riser can use flexible hoses. Due to the low weight of the flexible hose and the low requirements for the movement of the ship, the flexible hose can adapt to the large local water depth in the mining area and reduce the equipment requirements for mining ships. [0003] However, the bending stiffness of the flexible hose is relatively small, which easily leads to large deformation and dynamic response of the flexible riser under the excitation of dynamic load in the marine environment, which affects the flow of sl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B21/04B63B21/50B63B27/24
CPCB63B21/04B63B21/50B63B27/24B63B2021/505
Inventor 徐立新张帆孙铭远祝传钰罗文臣刘建成
Owner CHINA MERCHANTS MARINE & OFFSHORE RES INST CO LTD
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