CN105840197A - Exploitation system and exploitation process for deep-sea poly-metallic nodule - Google Patents

Exploitation system and exploitation process for deep-sea poly-metallic nodule Download PDF

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Publication number
CN105840197A
CN105840197A CN201610180025.3A CN201610180025A CN105840197A CN 105840197 A CN105840197 A CN 105840197A CN 201610180025 A CN201610180025 A CN 201610180025A CN 105840197 A CN105840197 A CN 105840197A
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China
Prior art keywords
ore deposit
mine
mining
sewage pump
submersible sewage
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Pending
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CN201610180025.3A
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Chinese (zh)
Inventor
王汉宝
张永勤
李宽
李鑫淼
梁健
尹浩
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Institute of Exploration Technology Chinese Academy of Geological Sciences
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Institute of Exploration Technology Chinese Academy of Geological Sciences
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Priority to CN201610180025.3A priority Critical patent/CN105840197A/en
Publication of CN105840197A publication Critical patent/CN105840197A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C50/00Obtaining minerals from underwater, not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

The invention discloses an exploitation system for deep-sea poly-metallic nodules. The exploitation system includes a mine collecting sub system and a mine raising sub system, and a control system controlling operation of the mine collecting sub system. The mine collecting sub system includes a submarine mining robot, an umbilical cable and a mine collecting groove. The mine raising sub system includes a submersible sewage pump, a mine raising soft tube, an exploitation platform and at least one separator arranged on the exploitation platform. Two ends of the mine raising soft tube are respectively connected to the mine collecting sub system and the submersible sewage pump. The submersible sewage pump is connected to a liquid phase outlet of the separator through a pipeline and is arranged at the water depth of 160-300 m. Through the principle of connected vessels, height differential pressure is generated through water suction and discharge by the submersible sewage pump, wherein the submarine poly-metallic nodules collected and sorted by the submarine mining robot are directly conveyed to the floating-caisson exploitation platform through the mine raising soft tube without impellers in the pump and are sorted and filtered through the separators, thereby achieving continuous work of mine collecting, mine sorting, mine raising and mine storage.

Description

The mining system of a kind of deep sea polymetallic nodule and production practice
Technical field
The present invention relates to a kind of surface, seabed mining mineral resource technology, be specifically related to the exploitation of a kind of deep sea polymetallic nodule System and production practice.
Background technology
Polymetallic nodules mainly compose the bottom sediment top layer that there is 3000-6000 rice, have extraction value according to a preliminary estimate Being about 70,000,000,000 tons, Ji Kuang and Yang Kuang is technology most crucial in recovery process and ingredient.At present, domestic and international many metals Tuberculosis recovery method mainly has continuous chain to use stratagems, mortar pump hydraulic pipe lift method and air rise act method etc..Continuous chain bucket type is opened Adopting is to utilize winch to drive the rope chain hanging with many bailing buckets constantly seabed polymetallic nodules to be adopted on workboat, but this There is the shortcoming such as mining efficiency and resource recovery is low, sea-floor relief requirement is smooth, hawser easily winding in method.And mortar pump waterpower Pipeline lift method is to be arranged on by pump on the ore-raising pipe road of the depth of water about 1000 meters, and the potential energy by sea water promotes, its Advantage is that technique is simple, efficiency is high, but the defect of this technique is that tuberculosis causes the abrasion of impeller and the broken of tuberculosis by pump With differentiation.It is by defeated pipe road that air rises the exploitation of act formula, utilizes pressure-air target polymetallic nodules with connecting mud band water from seabed Be transported to earth's surface, and when sea water advanced be more than 3000 meters time, then need to configure Wind Volume height blast air compressor machine, under the double-walled that enters The drilling rod degree of depth is more than 1000 meters, exists and takes the shortcomings such as ore deposit speed is low, energy expenditure is big, cost of winning is high.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of producing capacity is strong, tuberculosis particle diameter is big, the life-span Grow, overhaul deep sea polymetallic nodule mining system convenient, that can exploit continuously and corresponding production practice.
For achieving the above object, the present invention is by the following technical solutions:
The mining system of a kind of deep sea polymetallic nodule, it includes collecting ore deposit subsystem, raising ore deposit subsystem and to described collection ore deposit System carries out the control system that operation controls, and wherein, described collection ore deposit subsystem includes undersea mining robot, umbilical cables and collection Ore deposit groove, described in raise ore deposit subsystem and include submersible sewage pump, raise ore deposit flexible pipe, production platform and at least one be positioned on production platform Separator, described in raise the two ends of ore deposit flexible pipe and be connected with described collection ore deposit subsystem and described submersible sewage pump respectively, described submersible sewage pump passes through Pipeline is connected with the liquid-phase outlet of described separator.
Preferably: described submersible sewage pump is positioned at depth of water 160-300 rice.
Preferably: in described mining collecting trough, be provided with mechanical stirring device.
Preferably: in described mining collecting trough, be provided with jet desliming device.
Preferably: described undersea mining robot uses four wheel crawler independent suspensions.
Preferably: described separator is provided with vortex sieve and filter screen.
Preferably: the filtering accuracy of described filter screen is less than 1mm.
Preferably: described production platform is floating box type production platform.
Preferably: described mining system also includes extracting boat and for the polymetallic nodules by the solid-phase outlet of separator It is delivered to the conveyer belt on described extracting boat.
Another object of the present invention, a kind of utilizes what deep sea polymetallic nodule exploited by mining system as above to open Excavating technology, it comprises the following steps
1) undersea mining robot by umbilical cables and is raised ore deposit flexible pipe transfers to the 3000-6000 rice of seabed, controlling system Under the effect of system, seafloor robot carries out polymetallic nodules collection in seabed, and is mixed by the muddy water of the polymetallic nodules collected Compound is sent into after mechanical agitation and jet desliming and is raised in the flexible pipe of ore deposit;
2) polymetallic nodules raised in the flexible pipe of ore deposit carrying out solid-liquid separation, isolated low solid phase sea water is through being positioned at the depth of water Return after submersible sewage pump circulation at 160-300 rice and drain into sea, and store isolated solid-phase multi metal tuberculosis
The beneficial effects of the present invention is, the mining system of the present invention, to sea-floor relief without particular/special requirement, can substantially realize Full landform operation.Polymetallic nodules can realize exploitation continuously under conditions of without pump, can increase substantially the life-span of pump, Reducing impeller to the abrasion of tuberculosis and destruction, meanwhile, the particle diameter of tuberculosis is not limited by submersible sewage pump caliber.
Accompanying drawing explanation
Fig. 1 shows the structural representation of mining system of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further.
As it is shown in figure 1, the mining system of deep sea polymetallic nodule of the present invention includes: collection ore deposit subsystem, Yang Kuangzi System and control system.Wherein, described collection ore deposit subsystem includes undersea mining robot 1, umbilical cables and mining collecting trough, institute Stating umbilical cables can be that the offer of described undersea mining robot 1 is transferred, power transports, instruction controls transmission, video signal transmission Deng, the ore body gathered then can be connected mud band water by blanket type strand suction effect and send into collection in the lump by described undersea mining robot 1 Ore deposit groove.In the present invention, described undersea mining robot 1 can use four wheel crawler independent suspensions, and each Athey wheel can Thering is provided and drive, have good obstacle detouring, more ditch performance so that mining operations is not limited by sea-floor relief, basic realization exists Freely walking of the full landform in seabed.Further, described mining collecting trough is provided with mechanical stirring device and jet desliming device, Ore body mud mixture in mining collecting trough is sent into after mechanical agitation and jet desliming process and is raised ore deposit subsystem.
Described ore deposit subsystem of raising includes submersible sewage pump 2, raises ore deposit flexible pipe 3, production platform 4 and be positioned on production platform 4 extremely A few separator 6, wherein, described in raise the bottom of ore deposit flexible pipe 3 and be connected with undersea mining robot 1, for the many metals in seabed Return the passage providing stable in tuberculosis, and there is certain flexibility and stroke, can be with undersea mining robot 1 in sea Bottom row is walked, described in raise ore deposit flexible pipe 3 and use short connection type steel wire rope load-bearing, use Flange joint between flexible pipe;Described separator 6 It is connected with the described other end raising ore deposit flexible pipe 3, for the polymetallic nodules that will raise in ore deposit flexible pipe 3 in the solidliquid mixture of conveying Separating with sea water, in the present invention, described separator 6 includes vortex sieve and filter screen 61, wherein, described filter screen The filtering accuracy of 61 is less than 1mm.Bottom stayed by described vortex sieve after being sieved by ore body bigger for particle diameter, pass through subsequently Filter screen 61 ore body less for particle diameter is crossed filter cake to bottom separator 6 so that ore body and sea water are separated.Separator 6 isolated low solid phase sea water are inhaled in submersible sewage pump 2 by pipeline and are circulated.How golden the isolated solid phase of separator 6 is Genus tuberculosis then can be transported to extracting boat 7 by conveyer belt 5 and store.In the present invention, described production platform 4 uses floating Box design, has location linkage and compensation of undulation function, and by least one separator 6 being arranged on production platform, Can realize but in separator 6, polymetallic nodules are collected full or time separator 6 breaks down, it is possible to cut in the case of not termination of pumping Shift to another set of separator 6, and then realize the seriality of exploitation.Especially, in the present invention, described submersible sewage pump 2 is pacified It is put at depth of water 160-300 rice, utilizes law of connected vessels, produce certain height pressure difference by the water-pumping/draining of submersible sewage pump 2, The gravitional force of sea water overcomes management lose along stroke pressure and raise outer density pressure differential in ore deposit flexible pipe 3, by undersea mining robot The 1 seabed polymetallic nodules gathering sorting, are delivered directly to floating box type without the impeller of pump exploit by raising ore deposit flexible pipe 3 Platform 4, decreases the polymetallic nodules destruction to impeller.
Additionally, the control system in described mining system, it can control undersea mining robot 1 according to predetermined path row Walk and carry out Ji Kuang, extracting boat 7 then have provide for underwater installation deposit, lay/reclaim, operation supporting and maintenance, Store the functions such as Ore.
The step utilizing present invention mining system as above to exploit seabed polymetallic nodules includes:
1) undersea mining robot 1 by umbilical cables and is raised ore deposit flexible pipe 3 transfers to the 3000-6000 rice of seabed, in control Under the effect of system processed, seafloor robot 1 carries out polymetallic nodules collection in seabed, and by the polymetallic nodules that collect Mud mixture is sent into after mechanical agitation and jet desliming and is raised in ore deposit flexible pipe 3;
2) raise the polymetallic nodules in ore deposit flexible pipe 3 to be sent in separator 6, sequentially pass through vortex sieve, filter screen 61 is carried out Solid-liquid separation, isolated low solid phase sea water returns after being fed to be circulated in submersible sewage pump 2 and drains into sea, isolated solid Phase polymetallic nodules are through being sent on extracting boat 7 store by communicated band 5.
Further, described submersible sewage pump 2 is positioned at depth of water 160-300 rice.
Present invention mining system as above and production practice, utilize law of connected vessels, by being placed in depth of water 160-300 The water-pumping/draining of the submersible sewage pump 2 at meter produces certain height pressure difference, by how golden for the seabed that undersea mining robot 1 gathers sorting Belonging to tuberculosis, the impeller needing not move through pump by raising ore deposit flexible pipe 3 is delivered directly to floating box type production platform 4, and separated device 6 sorting filter, the polymetallic nodules sub-elected can be transported to extracting boat 7 by conveyer belt and store, thus realize Ji Kuang, Ore dressing, raise ore deposit and storage the working continuously of ore deposit.
The present invention is by preferred embodiment having carried out detailed explanation.But, by studying carefully, to each reality above Change and the increase of executing mode are also apparent to one of ordinary skill in the art.It is intended that it is all these Change and increase fall in the protection domain of the claims in the present invention.Term used herein is only specific embodiment Being illustrated, it is not intended to limit invention.Unless otherwise defined, all terms used herein (include skill Art term and scientific terminology) all identical with the understanding of those skilled in the art of the art.Known function or structure For briefly and clearly considering or repeating no more.

Claims (10)

1. the mining system of a deep sea polymetallic nodule, it is characterised in that: include collecting ore deposit subsystem, raise ore deposit subsystem with And described collection ore deposit subsystem is carried out the control system that operation controls, wherein, described collection ore deposit subsystem includes undersea mining machine People, umbilical cables and mining collecting trough, described in raise ore deposit subsystem and include submersible sewage pump, raise ore deposit flexible pipe, production platform and to be positioned at exploitation flat At least one separator on platform, described in raise the two ends of ore deposit flexible pipe and be connected with described collection ore deposit subsystem and described submersible sewage pump respectively, Described submersible sewage pump is connected with the liquid-phase outlet of described separator by pipeline.
Mining system the most according to claim 1, it is characterised in that: described submersible sewage pump is positioned at depth of water 160-300 rice Place.
Mining system the most according to claim 1, it is characterised in that: it is provided with mechanical stirring device in described mining collecting trough.
Mining system the most according to claim 1, it is characterised in that: it is provided with jet desliming device in described mining collecting trough.
Mining system the most according to claim 1, it is characterised in that: described undersea mining robot uses four-wheel to carry out Belt independent suspension.
Mining system the most according to claim 1, it is characterised in that: described separator is provided with vortex sieve and filter screen.
Mining system the most according to claim 6, it is characterised in that: the filtering accuracy of described filter screen is less than 1mm.
Mining system the most according to claim 1, it is characterised in that: described production platform is floating box type production platform.
9. according to the mining system described in any one in claim 1-8, it is characterised in that: described mining system also wraps Include extracting boat and for the conveyer belt being delivered on described extracting boat by the polymetallic nodules of the solid-phase outlet of separator.
10. one kind utilizes the mining system as described in any one in claim 1-9 to open deep sea polymetallic nodule The production practice adopted, it is characterised in that: comprise the following steps
1) undersea mining robot by umbilical cables and is raised ore deposit flexible pipe transfers to the 3000-6000 rice of seabed, controlling system Under the effect of system, seafloor robot carries out polymetallic nodules collection in seabed, and is mixed by the muddy water of the polymetallic nodules collected Compound is sent into after mechanical agitation and jet desliming and is raised in the flexible pipe of ore deposit;
2) polymetallic nodules raised in the flexible pipe of ore deposit carrying out solid-liquid separation, isolated low solid phase sea water is through being positioned at the depth of water Return after submersible sewage pump circulation at 160-300 rice and drain into sea, and store isolated solid-phase multi metal tuberculosis.
CN201610180025.3A 2016-03-25 2016-03-25 Exploitation system and exploitation process for deep-sea poly-metallic nodule Pending CN105840197A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106368652A (en) * 2016-11-18 2017-02-01 长沙矿冶研究院有限责任公司 Hydraulic conveying testing system for deep sea mining
CN106761762A (en) * 2017-03-07 2017-05-31 长沙矿冶研究院有限责任公司 A kind of discontinuous deep sea mineral resources mining system and recovery method
CN106939375A (en) * 2017-04-10 2017-07-11 青岛海洋地质研究所 Deep-sea hydrothermal metal sulfide gathers electrolysis system
CN107178368A (en) * 2017-07-13 2017-09-19 山东未来机器人有限公司 Suction strainer mining vehicle under water
WO2018068362A1 (en) * 2016-10-11 2018-04-19 中国科学院深海科学与工程研究所 Deep-sea mining system
CN108915688A (en) * 2018-08-02 2018-11-30 黄建青 A kind of oceanic mineral resources quarrying apparatus
CN109403979A (en) * 2018-11-23 2019-03-01 武汉理工大学 A kind of robot and acquisition method for deep sea polymetallic nodule acquisition
CN109798119A (en) * 2017-11-17 2019-05-24 广州光环能源科技有限公司 Bottom mining device
CN111577287A (en) * 2020-04-27 2020-08-25 湘潭大学 Ocean mineral resource exploitation system
CN112370862A (en) * 2020-10-23 2021-02-19 长沙矿冶研究院有限责任公司 Slurry shipborne dehydration method for ocean mining ship
CN112943253A (en) * 2021-02-02 2021-06-11 中国海洋大学 Double-wing type seabed polymetallic nodule collecting device
CN113404495A (en) * 2021-08-11 2021-09-17 中国海洋大学 Low-disturbance deep-sea multi-metal nodule acquisition transmission mechanism and acquisition method thereof
CN113982590A (en) * 2021-12-27 2022-01-28 中国海洋大学 Buoyancy self-elevating type multi-metal nodule transmission system and method
CN114673503A (en) * 2022-03-15 2022-06-28 广州海洋地质调查局 Seabed manganese nodule collector and collection method
CN115258080A (en) * 2022-09-13 2022-11-01 海南大学 Self-elevating submergence platform for emergency risk avoidance in deep sea mining and risk avoidance method
EP4089237A1 (en) * 2021-04-28 2022-11-16 Pure Environment Tech Oy Suction dredger vehicle
CN116988793A (en) * 2023-09-26 2023-11-03 长沙矿冶研究院有限责任公司 Low-diffusion deep-sea polymetallic nodule collecting and preprocessing device

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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018068362A1 (en) * 2016-10-11 2018-04-19 中国科学院深海科学与工程研究所 Deep-sea mining system
CN106368652A (en) * 2016-11-18 2017-02-01 长沙矿冶研究院有限责任公司 Hydraulic conveying testing system for deep sea mining
CN106761762A (en) * 2017-03-07 2017-05-31 长沙矿冶研究院有限责任公司 A kind of discontinuous deep sea mineral resources mining system and recovery method
CN106939375A (en) * 2017-04-10 2017-07-11 青岛海洋地质研究所 Deep-sea hydrothermal metal sulfide gathers electrolysis system
CN107178368A (en) * 2017-07-13 2017-09-19 山东未来机器人有限公司 Suction strainer mining vehicle under water
CN107178368B (en) * 2017-07-13 2023-07-11 山东未来机器人有限公司 Underwater suction filtration mining vehicle
CN109798119A (en) * 2017-11-17 2019-05-24 广州光环能源科技有限公司 Bottom mining device
CN108915688B (en) * 2018-08-02 2022-07-12 临沂中科英泰智能科技有限责任公司 Ocean mineral resources exploitation device
CN108915688A (en) * 2018-08-02 2018-11-30 黄建青 A kind of oceanic mineral resources quarrying apparatus
CN109403979A (en) * 2018-11-23 2019-03-01 武汉理工大学 A kind of robot and acquisition method for deep sea polymetallic nodule acquisition
CN109403979B (en) * 2018-11-23 2020-03-24 武汉理工大学 Robot for collecting deep-sea polymetallic nodules and collecting method
CN111577287A (en) * 2020-04-27 2020-08-25 湘潭大学 Ocean mineral resource exploitation system
CN112370862A (en) * 2020-10-23 2021-02-19 长沙矿冶研究院有限责任公司 Slurry shipborne dehydration method for ocean mining ship
CN112943253A (en) * 2021-02-02 2021-06-11 中国海洋大学 Double-wing type seabed polymetallic nodule collecting device
CN112943253B (en) * 2021-02-02 2023-01-10 中国海洋大学 Double-wing type seabed polymetallic nodule collecting device
EP4089237A1 (en) * 2021-04-28 2022-11-16 Pure Environment Tech Oy Suction dredger vehicle
CN113404495A (en) * 2021-08-11 2021-09-17 中国海洋大学 Low-disturbance deep-sea multi-metal nodule acquisition transmission mechanism and acquisition method thereof
CN113404495B (en) * 2021-08-11 2022-04-29 中国海洋大学 Low-disturbance deep-sea multi-metal nodule acquisition transmission mechanism and acquisition method thereof
CN113982590B (en) * 2021-12-27 2022-03-22 中国海洋大学 Buoyancy self-elevating type multi-metal nodule transmission system and method
CN113982590A (en) * 2021-12-27 2022-01-28 中国海洋大学 Buoyancy self-elevating type multi-metal nodule transmission system and method
CN114673503A (en) * 2022-03-15 2022-06-28 广州海洋地质调查局 Seabed manganese nodule collector and collection method
CN114673503B (en) * 2022-03-15 2022-10-21 广州海洋地质调查局 Seabed manganese nodule collector and collection method
CN115258080A (en) * 2022-09-13 2022-11-01 海南大学 Self-elevating submergence platform for emergency risk avoidance in deep sea mining and risk avoidance method
CN115258080B (en) * 2022-09-13 2023-11-24 海南大学 Self-elevating type submergence platform for deep sea mining emergency risk avoidance and risk avoidance method
CN116988793A (en) * 2023-09-26 2023-11-03 长沙矿冶研究院有限责任公司 Low-diffusion deep-sea polymetallic nodule collecting and preprocessing device
CN116988793B (en) * 2023-09-26 2024-02-20 长沙矿冶研究院有限责任公司 Low-diffusion deep-sea polymetallic nodule collecting and preprocessing device

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Application publication date: 20160810