CN111810161A - Environment-friendly submarine mineral resource development device and development method - Google Patents

Environment-friendly submarine mineral resource development device and development method Download PDF

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Publication number
CN111810161A
CN111810161A CN202010702701.5A CN202010702701A CN111810161A CN 111810161 A CN111810161 A CN 111810161A CN 202010702701 A CN202010702701 A CN 202010702701A CN 111810161 A CN111810161 A CN 111810161A
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mining
shed
foundation
submarine
water
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CN111810161B (en
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田新亮
陈兴
王鹏
李欣
刘磊
郭孝先
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C50/00Obtaining minerals from underwater, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/52Tools specially adapted for working 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)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses an environment-friendly submarine mineral resource development device and method, and relates to the field of ocean mining engineering. By implementing the invention, zero emission of submarine mining operation is realized, and the damage of submarine mineral resource exploitation to the surrounding submarine environment and ecology is reduced.

Description

Environment-friendly submarine mineral resource development device and development method
Technical Field
The invention relates to the technical field of ocean mining engineering, in particular to an environment-friendly submarine mineral resource development device and method.
Background
Mineral products are natural minerals and rocks that can be used by humans and are non-renewable energy sources. With the continuous development of economic society, the consumption of mineral products is more and more, and resources on land are gradually exhausted. The published data shows that the seabed contains mineral resources with huge reserves, which are mainly distributed on continental shelves. The submarine mineral resources are effectively exploited, the pressure of onshore mineral exploitation is relieved, and the sustainable development of economy and society is facilitated. At present, companies such as Canadian Nautilus mining company and Sanshan Islands gold Ore of Shandong gold group in China try submarine mineral exploitation in many times. However, the biggest obstacle in the development of submarine mineral resources is that mining activities may destroy the fragile submarine ecological environment, influenced by ocean currents and submarine currents, dust and sewage generated in the mining process are brought into tens of seas and outside, and not only is the pollution around the mining area serious, but also the submarine pollution is likely to spread. More organizations and experts worry that once the blackish, highly pressured subsea ecology is destroyed, the recovery period will be long and there is a high probability of ecological damage. In 2018, the european parliament called for, prohibiting undersea mining before fully understanding the environmental impact of undersea mining activities and the threat to ecosystem. China environmental protection experts also give suggestions that deep-sea mining should be prohibited in specific sea areas all over the world, and human beings cannot neglect the protection of the environment because of the small benefit of fly heads in front.
The reserves of the submarine minerals are huge, and the effective exploitation of the minerals has a profound influence on the production and life of human beings. However, the prior art seafloor mining causes serious damage to the ecosystem. Therefore, those skilled in the art are devoted to develop an environment-friendly submarine mineral resource exploitation apparatus and method, which can reduce the damage of submarine mineral resource exploitation to the surrounding submarine environment and ecology.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the technical problems to be solved by the present invention are: how to realize zero emission in the development of submarine mineral resources and protect the submarine ecological environment.
In order to achieve the purpose, the invention provides an environment-friendly submarine mineral resource development device which comprises a mining shed, a positive pressure maintaining device, a water draining filtering device, a mining vehicle, a shed vehicle, a foundation placing vehicle and a mining shed foundation, wherein the mining shed is brought to a submarine mining area by the shed vehicle, the mining shed covers the submarine mining area within the range of motion of the mining vehicle, the foundation placing vehicle fixes the foundation of the mining shed and the sea bottom surface, the edge of the mining shed is embedded into the foundation of the mining shed, the mining shed is provided with a reserved hole, and the positive pressure maintaining device and the water draining filtering device extend into the reserved hole.
Furthermore, the mining shed is made of flexible materials, and pollutants generated by mining activities are isolated from outside seawater.
Further, the mining shed foundation is made of compression-resistant materials, and the mining shed foundation is attached to the sea bottom surface.
Further, the mining shed foundation is made of rubber materials or sand bags.
Further, one side of the positive pressure maintaining device and the drain filtering device is positioned in the mining shed, and the other side of the positive pressure maintaining device and the drain filtering device is exposed in the outside seawater.
Further, the positive pressure maintaining device is a one-way water pump with water filling and sealing functions.
Further, the positive pressure maintaining device is also provided with a pressure sensor for monitoring the seawater pressure inside and outside the mining shed.
Furthermore, the drainage filtering device is a one-way water pump with filtering and sealing functions.
The invention also provides an environment-friendly submarine mineral resource development method, which comprises the following steps:
s1, one or a plurality of shed-distributing vehicles bring the mining sheds to the submarine mining area, and foundation laying vehicles bring the foundation of the mining sheds to the submarine mining area;
s2, the foundation placement vehicle lays the mining shed foundation along the edge of the submarine mining area and fixes the mining shed foundation with the sea floor;
s3, unfolding the mining shed by the canopy car, and embedding the edge of the mining shed into the mining shed foundation, so that the mining shed and the mining shed foundation are closely connected to form a relatively closed space in the mining shed;
s4, after the mining shed is built, extending a positive pressure maintaining device and a water draining filtering device into a preformed hole of the mining shed, so that one side of the positive pressure maintaining device and one side of the water draining filtering device are located in the mining shed, and the other side of the positive pressure maintaining device and the other side of the water draining filtering device are exposed in the outside seawater;
s5, closing the water drainage filtering device, opening the positive pressure maintaining device, filling external seawater into the mining shed to enable the mining shed to gradually expand, and adjusting the water inlet flow of the positive pressure maintaining device after the water pressure in the mining shed is greater than the external water pressure to enable the mining shed to be always kept in an expanded state in the process of mining operation;
and S6, mining vehicles perform mining operation in the mining shed.
Further, the method also comprises the following steps:
s7, after the mining operation is finished, opening the water drainage filtering device to enable polluted seawater in the mining shed to be filtered and then discharged into external seawater;
s8, draining water, enabling the mining shed to fall to the ground after being contracted, recovering the mining shed by the shed distributing vehicle, recovering the mining shed foundation by the foundation placing vehicle, and finishing mining activities.
Compared with the prior art, the invention at least has the following beneficial technical effects:
according to the environment-friendly submarine mineral resource development device and method, the closed mining shed is adopted, so that dust and sewage generated in the mining process are isolated from external seawater and cannot be diffused and spread, and meanwhile, the positive pressure maintaining device and the water drainage filtering device are arranged, so that pollution sources can be controlled in the closed mining shed, zero emission is realized, and the damage of submarine mineral resource exploitation to the surrounding submarine environment and ecology is reduced. The device is convenient to install and recover, simple to operate, economical and efficient.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic view showing the overall construction of an environmentally friendly submarine mineral resource exploitation apparatus according to the present invention;
FIG. 2 is a schematic view of the present invention of a mining shed foundation installation;
FIG. 3 is a schematic view of the mining shed installation of the present invention;
wherein: 1-a mining shed; 2-a positive pressure holding device; 3-a water drainage filter device; 4-mining vehicle; 5-cloth boxcar; 6-sea floor; 7-a submarine mining area; 8-a foundation placing vehicle; 9-mining shed foundation.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
As shown in fig. 1, the mining shed 1 is a flexible material, has a certain pressure resistance, can cover the submarine mine area 7 in the range of motion of the mining vehicle 4, and isolates the pollutants generated by the mining activity from the outside seawater, thus realizing the development activity of submarine mineral resources which is beneficial to environmental protection. The mining shed 1 is brought to the seafloor mining area 7 by one or several shed-laying trucks 5, and the mining shed foundations 9 are brought to the seafloor mining area 7 by foundation-laying trucks 8. The foundation placement vehicle 8 is a mobile device with rigid equipment that securely embeds the mine shed foundations 9 into the sea floor 6. The mining shed foundations 9 are of a compression resistant material that allows for small deformations to facilitate the attachment to the sea floor 6.
As shown in fig. 2-3, a mine shed foundation 9 is laid along the edge of the seafloor mining area 7 by the foundation placement vehicle 8 and the mine shed foundation 9 is secured to the seafloor surface 6. The mining shed 1 is unfolded by the cloth box wagon 5 and the edges of the mining shed 1 are embedded into the mining shed foundations 9 so that they are intimately connected, forming a relatively enclosed space within the mining shed 1. In the mining process, the canopy distributing vehicle 5 and the foundation placing vehicle 8 stop at the position close to the submarine mining area 7, and the mining canopy 1 and the mining canopy foundation 9 are dismantled after the mining activity is finished.
After the mining shed 1 is built, the positive pressure retaining device 2 and the water drainage filtering device 3 are stretched into a hole reserved in the mining shed 1, so that one side of the positive pressure retaining device 2 and one side of the water drainage filtering device 3 are located in the mining shed 1, and the other side of the positive pressure retaining device and the other side of the water drainage filtering device are exposed in the outside seawater. The mining shed 1 is in intimate contact with a positive pressure holding device 2 and a bleed water filtering device 3. Wherein, the positive pressure keeping device 2 is a one-way water pump with water filling and sealing functions, and can fill external seawater into the mining shed 1. The positive pressure maintaining device 2 is provided with a pressure sensor, can monitor the seawater pressure inside and outside the mining shed 1 and control the seawater flow. The drain filtering device 3 is a one-way water pump with filtering and sealing functions, and can discharge the seawater in the mining shed 1 to the outside after being filtered.
After the arrangement is completed, the water drainage filtering device 3 is closed, the positive pressure maintaining device 2 is opened, the external seawater is filled into the mining shed 1, and the mining shed 1 gradually expands. After the water pressure in the mining shed 1 is greater than the external water pressure, the inflow of the positive pressure retaining device 2 is adjusted, so that the mining shed 1 is always kept in an expansion state in the mining operation process. A closed space is now formed in the mining shed 1. The mining vehicle 4 may perform mining operations in the mining shed 1. After the mining operation is finished, the water drainage filtering device 3 is opened, so that polluted seawater in the mining shed 1 is discharged into external seawater after being filtered. After the water is drained, the mining shed 1 falls to the ground after being contracted, the mining shed 1 is recovered by the cloth shed vehicle 5, the mining shed foundation 9 is recovered by the foundation laying vehicle 8, and the mining activity is finished.
Compared with the prior art, the invention builds a closed space in the submarine mining area, achieves the aim of zero emission of submarine mineral exploitation, reduces the damage of submarine mineral resource exploitation to the surrounding submarine environment and ecology, and has simple structure and convenient installation and recovery.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. The utility model provides an environment-friendly seabed mineral resources development device, its characterized in that, including mining shed, malleation retention device, sluicing filter equipment, mining car, cloth box wagon, basis lay car and mining shed basis, the cloth box wagon will mining shed area to seabed mining area, the mining shed cover is in the seabed mining area top of mining car home range, the car will is laid to the basis mining shed basis is fixed with the seabed surface, mining shed edge embedding extremely mining shed basis, the mining shed is equipped with the preformed hole, malleation retention device with sluicing filter equipment stretch into to in the preformed hole.
2. The environmentally friendly seafloor mineral resource exploitation device of claim 1, wherein the mining shed is made of a flexible material to isolate contaminants generated by mining activities from outside seawater.
3. The environmentally friendly seafloor mineral resource exploitation device of claim 1, wherein the mining shed base is made of a pressure resistant material, and the mining shed base is attached to the sea floor.
4. The environmentally friendly submarine mineral resource exploitation apparatus of claim 3, wherein said mining shed base is made of rubber material or sandbags.
5. The eco-friendly submarine mineral resource exploitation apparatus according to claim 1, wherein one side of said positive pressure maintaining means and said drainage filtering means is located in said mining shed, and the other side is exposed to the outside sea water.
6. The environmentally friendly submarine mineral resource exploitation apparatus according to claim 5, wherein said positive pressure maintaining means is a one-way water pump having water filling and sealing functions.
7. The environmentally friendly seafloor mineral resource exploitation device of claim 6, wherein the positive pressure maintaining device is further provided with a pressure sensor for monitoring the pressure of the seawater inside and outside the mining shed.
8. The environmentally friendly submarine mineral resource exploitation device of claim 7, wherein said drain filter is a one-way water pump with filtering and sealing functions.
9. An environment-friendly submarine mineral resource development method is characterized by comprising the following steps:
s1, one or a plurality of shed-distributing vehicles bring the mining sheds to the submarine mining area, and foundation laying vehicles bring the foundation of the mining sheds to the submarine mining area;
s2, the foundation placement vehicle lays the mining shed foundation along the edge of the submarine mining area and fixes the mining shed foundation with the sea floor;
s3, unfolding the mining shed by the canopy car, and embedding the edge of the mining shed into the mining shed foundation, so that the mining shed and the mining shed foundation are closely connected to form a relatively closed space in the mining shed;
s4, after the mining shed is built, extending a positive pressure maintaining device and a water draining filtering device into a preformed hole of the mining shed, so that one side of the positive pressure maintaining device and one side of the water draining filtering device are located in the mining shed, and the other side of the positive pressure maintaining device and the other side of the water draining filtering device are exposed in the outside seawater;
s5, closing the water drainage filtering device, opening the positive pressure maintaining device, filling external seawater into the mining shed to enable the mining shed to gradually expand, and adjusting the water inlet flow of the positive pressure maintaining device after the water pressure in the mining shed is greater than the external water pressure to enable the mining shed to be always kept in an expanded state in the process of mining operation;
and S6, mining vehicles perform mining operation in the mining shed.
10. The method for developing environmentally friendly submarine mineral resources according to claim 9, further comprising the steps of:
s7, after the mining operation is finished, opening the water drainage filtering device to enable polluted seawater in the mining shed to be filtered and then discharged into external seawater;
s8, draining water, enabling the mining shed to fall to the ground after being contracted, recovering the mining shed by the shed distributing vehicle, recovering the mining shed foundation by the foundation placing vehicle, and finishing mining activities.
CN202010702701.5A 2020-07-21 2020-07-21 Environment-friendly submarine mineral resource development device and development method Active CN111810161B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113431583A (en) * 2021-06-02 2021-09-24 上海交通大学 Dynamic blocking device and method for sediment diffusion problem caused by submarine mining
CN114382485A (en) * 2021-12-27 2022-04-22 中国海洋大学 Submarine mine car with closed dust-proof purifying device

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WO1998044078A1 (en) * 1997-04-02 1998-10-08 Syntroleum Corporation System and method for hydrate recovery
US6192691B1 (en) * 1999-09-20 2001-02-27 Taiyo Kogyo Corporation Method of collecting methane hydrate gas and apparatus therefor
US6299256B1 (en) * 2000-05-15 2001-10-09 The United States Of America As Represented By The Department Of Energy Method and apparatus for recovering a gas from a gas hydrate located on the ocean floor
EP1524186A1 (en) * 2003-10-15 2005-04-20 The European Community, represented by the European Commission Device for collecting fluids escaping from an underwater source
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113431583A (en) * 2021-06-02 2021-09-24 上海交通大学 Dynamic blocking device and method for sediment diffusion problem caused by submarine mining
CN114382485A (en) * 2021-12-27 2022-04-22 中国海洋大学 Submarine mine car with closed dust-proof purifying device

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