Circulating slurry-water separation system for seabed ore collection

A mud-water separation and circulation technology, which is applied in the fields of fluid machinery and ocean engineering, can solve the problems that water flow energy cannot be recycled, the disturbance of the seabed ecological environment is large, and the separation rate of ore particles and sea mud is low, so that the reliability is guaranteed and the use Long life and sufficient separation effect

Pending Publication Date: 2021-03-19
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0007] The invention aims to solve the problems existing in the existing seabed mining technology, such as large disturbance to the seabed ecological environment, low separation rate of ore particles and sea mud, and inability to recycle water flow energy. separation system

Method used

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  • Circulating slurry-water separation system for seabed ore collection
  • Circulating slurry-water separation system for seabed ore collection
  • Circulating slurry-water separation system for seabed ore collection

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] In this example, based on the difference in motion characteristics of manganese nodules and sea mud particles, a design scheme of gravity sludge separator with simple structure and high separation rate is proposed. Such as figure 1 As shown, the main body of the gravity slime separator is two continuous T-shaped hollow structures, which can be divided into two parts: the upper horizontal flow channel and the lower shaft. The inlet of the horizontal flow channel is the inlet of manganese nodules and mud-water mixture, which is connected to the ore collecting head through pipelines; the outlet is the outlet of mud-water mixture and connected to the pump; a row of porous baffles is set in the vertical shaft; The mine device is connected; the entrance of the vertical shaft is a low-speed water flow inlet, which is connected to the mud-water...

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Abstract

The invention relates to a circulating slurry-water separation system for seabed ore collection. At least one vertical shaft is arranged below a hollow cavity, the rear side of the vertical shaft is provided with a vertical shaft outlet for ore to flow out, and the lower surface of the vertical shaft outlet is inclined downwards; a porous baffle inclining downwards is arranged in the vertical shaft and connected with the lower surface of the vertical shaft outlet, and the inclination trend is the same as that of the lower surface of the vertical shaft outlet; a vertical shaft inlet is formed in the bottom of the vertical shaft, is a low-speed water flow inlet and is connected with an outlet of a slurry-water separator through a flow-adjustable valve; and an outlet of a slurry separator isconnected with an inlet of the slurry-water separator through a submersible pump, and an outlet of the slurry-water separator is also connected with an inlet of an ore collecting head. According to the system, minerals, sea mud and water can be thoroughly separated, rapid sedimentation of the sea mud can also be achieved, the influence on the seabed environment is effectively reduced, meanwhile, the residual energy of water flow is utilized, and the separation rate of a slurry-water mixture is further increased.

Description

technical field [0001] The invention relates to a seabed ore collection equipment, in particular to a circulating ore slime and water separation system for seabed ore collection, which belongs to the technical fields of fluid machinery and ocean engineering. Background technique [0002] The deep sea contains a variety of mineral resources such as manganese nodules, cobalt-rich crusts, and hydrothermal sulfides. Its reserves are huge and its economic prospects are broad. Therefore, deep-sea mining is regarded as an important way for human beings to obtain mineral resources in the future. The development of deep-sea mining technology has great potential. important strategic significance. The main challenges facing deep sea mining at present are the economics of commercial mining and the environmental protection of large-scale mining. According to the study, the disturbance of the seabed by deep-sea mining operations and the discharge of mud-water mixtures may pose a threat t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C02F103/08
CPCC02F1/52C02F2103/08
Inventor 肖龙飞刘明月魏汉迪赵伟杰吕海宁赵国成张念凡胡经朝杨显原岳子钰
Owner SHANGHAI JIAO TONG UNIV
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