CN109030079A - A kind of polymetallic nodules sampler - Google Patents
A kind of polymetallic nodules sampler Download PDFInfo
- Publication number
- CN109030079A CN109030079A CN201811044006.3A CN201811044006A CN109030079A CN 109030079 A CN109030079 A CN 109030079A CN 201811044006 A CN201811044006 A CN 201811044006A CN 109030079 A CN109030079 A CN 109030079A
- Authority
- CN
- China
- Prior art keywords
- polymetallic nodules
- delivery pipe
- feed bin
- rack
- sampler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 230000005693 optoelectronics Effects 0.000 claims abstract description 9
- 238000003032 molecular docking Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000009916 joint effect Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 7
- 238000001179 sorption measurement Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 201000008827 tuberculosis Diseases 0.000 description 2
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- IPJKJLXEVHOKSE-UHFFFAOYSA-L manganese dihydroxide Chemical compound [OH-].[OH-].[Mn+2] IPJKJLXEVHOKSE-UHFFFAOYSA-L 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of polymetallic nodules samplers, it is connected by optoelectronic composite cable with surface mother ship, the polymetallic nodules sampler includes accommodating mechanism and collecting mechanism, and collecting mechanism is fixedly connected with accommodating mechanism and collected polymetallic nodules are placed in accommodating mechanism；The collecting mechanism includes guiding device and delivery pipe, and described delivery pipe one end is the absorption end for adsorbing polymetallic nodules, and the other end is to lead to accommodate in-house discharge end, and the guiding device is installed at absorption end.Polymetallic nodules sampler of the invention has many advantages, such as precisely sampling, work efficiency is high and small to bottom disturbance.
Description
Technical field
The present invention relates to a kind of underwater mineral mining equipment more particularly to a kind of polymetallic nodules samplers.
Background technique
Polymetallic nodules are surrounded the oncolite of stone matter fragment core formed by iron, manganese hydroxide shell, are included
There are tens kinds of elements such as manganese, iron, nickel, cobalt and copper, polymetallic nodules are widely distributed in 1500-6000 meters of the depth of water of ocean bottom
Submarine surface.Due to having a very wide distribution, the features such as tenor is more, polymetallic nodules will be the particularly important mine of following one kind
Produce resource.Existing polymetallic nodules sampler is mostly traditional box corer or grab sample device, since seabed soil property is dilute
Soft, the tuberculosis that this sampler obtains in sampling process is less, and acquired is a large amount of seabed soil instead, not only works
Accurate rate is low, has also stirred seabed water quality；And this sampler can only carry out primary sample when once laying recycling, sampling
Inefficiency is unfavorable for carrying out polymetallic nodule mining area the production difficulty evaluation of accurate resource assessment and polymetallic nodules.
Summary of the invention
Problem to be solved by this invention is in view of the problems of the existing technology, to provide one kind precisely sampling, work effect
Rate is high and disturbs small polymetallic nodules sampler to water-bed.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of polymetallic nodules sampler is connected by optoelectronic composite cable with surface mother ship, and the polymetallic nodules take
Sample device includes accommodating mechanism and collecting mechanism, and collecting mechanism is fixedly connected with accommodating mechanism and puts collected polymetallic nodules
It is placed in accommodating mechanism；The collecting mechanism includes guiding device and delivery pipe, and described delivery pipe one end is to adsorb more metal knots
The absorption end of core, the other end are to lead to accommodate in-house discharge end, and the guiding device is installed at absorption end.
As a further improvement of the above technical scheme:
The guiding device includes the first bath part, the second bath part and guide plate, and the nozzle of the first bath part is opened
Mouth is directed toward the ground intersected with delivery pipe axis, and the nozzle opening of the second bath part leads to inside delivery pipe, the guide plate one
Connect with the interior walls be smooth of end delivery pipe, the other end extends to the ground；The first bath part and guide plate are located at conveying
The opposite sides of pipe axis.
The accommodating mechanism includes rack, feed bin and first movement device, and the feed bin and first movement device are respectively mounted
In rack, the discharge end of the delivery pipe is located at the top of feed bin, and the inside of the feed bin is separated into multiple upper openings
The driving end of compartment, the first movement device is connected with feed bin and can drive its movement to be directed at the opening of any compartment defeated
Send the discharge end of pipe.
Each wall surface of the feed bin and the wall surface for separating compartment are with meshed pervious bed.
It is equipped with guide rail in the installed position of feed bin in the rack, the bottom of the feed bin and guide rail cooperation are slidedly arranged on machine
In frame.
Displacement sensor is integrated on the first movement device.
It is fixed between the delivery pipe and rack by oil cylinder, the delivery pipe is in rack joint between discharge end
Equipped with one section of flexible tube segment.
The rack is equipped with the second mobile device and docking head, driving end and the docking head phase of second mobile device
Connection, the end of the optoelectronic composite cable is consolidated in docking head.
The accommodating mechanism further includes the enclosed pressure-resistant storehouse being installed in rack, is equipped with driving member in the pressure resistance storehouse
Device.
The polymetallic nodules sampler further includes two groups of slide plates, and the slide plate is in the plate that both ends tilt, described in two groups
Slide plate is connected with the bottom of accommodating mechanism and collecting mechanism with its inner concave respectively.
Compared with the prior art, the advantages of the present invention are as follows:
Polymetallic nodules sampler of the invention is more including the accommodating mechanism for accommodating polymetallic nodules and for acquiring
The collecting mechanism of metal nodule, collecting mechanism include guiding device and delivery pipe, and delivery pipe one end is used to adsorb polymetallic nodules,
The other end, which leads to, to be accommodated in-house and the polymetallic nodules that absorption obtains is placed in accommodating mechanism, and guiding device is installed in
It adsorbs at end, for make liquid that polymetallic nodules be driven to flow into delivery pipe, conveying effect to improve to guiding fluid
Rate reduces and acquires the time used.
Further, guiding device includes the first bath part and guide plate, the nozzle opening of the first bath part be directed toward with it is defeated
The ground for sending pipe axis to intersect, washes away polymetallic nodules and separates it with underwater soil as early as possible, substantially increase collecting work
Accuracy；Guide plate is located at the opposite side of the first bath part, changes and moves road by the polymetallic nodules that the first bath part disturbs
Diameter makes its internal motion along more accurate route toward delivery pipe, energy needed for drastically reducing absorption, and makes more
Metal nodule can more rapidly, more accurately enter delivery pipe, improve work efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the connection schematic diagram of polymetallic nodules sampler of the invention；
Fig. 2 is the structural schematic diagram of polymetallic nodules sampler of the invention；
Fig. 3 is the enlarged diagram in Fig. 2 at A；
Fig. 4 is the structural schematic diagram of guiding device in polymetallic nodules sampler of the invention.
Marginal data: 1, optoelectronic composite cable；2, surface mother ship；3, mechanism is accommodated；31, rack；311, guide rail；312, second
Mobile device；313, docking head；32, feed bin；33, first movement device；34, pressure-resistant storehouse；4, collecting mechanism；41, guiding device；
411, the first bath part；412, the second bath part；413, guide plate；42, delivery pipe；421, adsorption cover；422, oil cylinder；423, soft
Property pipeline section；5, slide plate.
Specific embodiment
To facilitate the understanding of the present invention, invention herein is done below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but protection scope of the present invention is not limited to following specific embodiments.
Embodiment:
As depicted in figs. 1 and 2, the polymetallic nodules sampler of the present embodiment, passes through optoelectronic composite cable 1 and surface mother ship 2
It is connected, polymetallic nodules sampler includes accommodating mechanism 3 for accommodating polymetallic nodules and for acquiring polymetallic nodules
Collecting mechanism 4, collecting mechanism 4 with accommodating mechanism 3 be fixedly connected and by polymetallic nodules be placed in accommodating mechanism 3 in；Acquisition
Mechanism 4 includes guiding device 41 and delivery pipe 42, and 42 one end of delivery pipe is the absorption end for adsorbing polymetallic nodules, and the other end is logical
Discharge end to the inside of accommodating mechanism 3, guiding device 41 is installed at absorption end, and the guiding fluid with polymetallic nodules is defeated
Pipe 42 is sent, to improve transfer efficiency, reduces and acquires the time used.
In the present embodiment, as shown in Figure 3 and Figure 4, guiding device 41 includes the first bath bath of part 411, second 412 and of part
The nozzle opening of guide plate 413, the first bath part 411 is directed toward the ground intersected with 42 axis of delivery pipe, washes away polymetallic nodules
And separate it with underwater soil as early as possible, substantially increase the accuracy of collecting work；The nozzle opening of second bath part 412 is logical
To the inside of delivery pipe 42, the nozzle of delivery pipe 42 is made to generate certain negative pressure, to make polymetallic nodules faster to delivery pipe
42 inside are mobile；One end of guide plate 413 connects with the interior walls be smooth of delivery pipe 42, and the other end extends to the ground, and it is with
One bath part 411 is located at the opposite sides of 42 axis of delivery pipe, for changing the more metals disturbed by the first bath part 411
Tuberculosis motion path makes its internal motion along more accurate route toward delivery pipe 42, drastically reduces needed for absorption
Energy, and enable polymetallic nodules more rapidly, more accurately enter delivery pipe 42, improve work efficiency.
In the present embodiment, the absorption end of delivery pipe 42 extends out the adsorption cover 421 for an opening towards ground, the first bath part
411 nozzle penetrates adsorption cover 421 and is located at the inside of adsorption cover 421, and guide plate 413 also is located at the inside of adsorption cover 421, i.e.,
All work for disturbing and being oriented to polymetallic nodules carry out in adsorption cover 421, reduce the disturbance feelings to underwater soil
Condition, it is more environmentally-friendly.
In the present embodiment, accommodating mechanism 3 includes rack 31, feed bin 32 and first movement device 33, and feed bin 32 and first move
Dynamic device 33 is mounted in rack 31, and the discharge port of delivery pipe 42 is located at the top of feed bin 32, and the inside of feed bin 32 is separated into
The driving end of the compartment of multiple upper openings, first movement device 33 is connected with feed bin 32 and feed bin 32 can be driven mobile, with
Make the opening of each compartment that can be directed at the discharge port of delivery pipe 42, each compartment can be used for accepting the more of different batches respectively
Metal nodule sample.
The sampler of the present embodiment improves the sampling number after primary decentralization and sampling region, eliminates and puts back to for cloth
The time of receipts, sampling efficiency is substantially increased, is conducive to carry out preservation in the polymetallic nodules of the such large area in ocean seabed
It takes a sample to research；And respectively storage of the feed bin 32 to different batches sample, knot are only realized by the driving of first movement device 33
It can be realized good effect while structure is simple.The first movement device 33 of the present embodiment is hydraulic cylinder, in other embodiment party
In formula, other devices such as first movement device 33 or cylinder, electric pushrod are not specifically limited herein.
In the present embodiment, due to can still be attached to some impurity on the polymetallic nodules after washing away, feed bin 32 it is each
Wall surface and the wall surface for separating compartment be with meshed pervious bed, so as to the discharge of impurity, the intersection of each wall surface can
To use stereoplasm frame structure to improve bonding strength and non-deformability.
In the present embodiment, guide rail 311, the bottom of feed bin 32 and guide rail are equipped in the installed position of feed bin 32 in rack 31
311 cooperations are slidedly arranged in rack 31, this driving of the first movement device 33 to feed bin 32 of being more convenient for that be slidably matched；First movement
It is integrated with displacement sensor on device 33, the position of the driving end mobile awareness feed bin 32 for passing through first movement device 33,
Suitable compartment to be moved to below the discharge port of delivery pipe 42.
In the present embodiment, rack 31 is equipped with the second mobile device 312 and docking head 313, the drive of the second mobile device 312
Moved end is connected with docking head 313, and the end of optoelectronic composite cable 1 is consolidated in docking head 313, can pass through the second mobile device
312 driving end driving docking head 313 is shifted one's position to adjust the affixed point of optoelectronic composite cable 1, to adjust taking for the present embodiment
Sample device under water when towed state.Second mobile device 312 of the present embodiment is hydraulic cylinder, in other embodiments,
Other devices such as the second mobile device 312 or cylinder, electric pushrod, are not specifically limited herein.
Fixed by oil cylinder 422 between delivery pipe 42 and rack 31 in the present embodiment, delivery pipe 42 connects in rack 31
Place can drive delivery pipe when the driving end of oil cylinder 422 is moved equipped with one section of flexible tube segment 423 between discharge end
42 change absorption angle or absorption distance, are adsorbed with the polymetallic nodules to different terrain situation.
In the present embodiment, accommodating mechanism 3 further includes the enclosed pressure-resistant storehouse 34 being installed in rack 31, in pressure-resistant storehouse 34
Equipped with submersible machine and oil pump, hydraulic valve box, underwater control electronic compartment and coupling box etc. for driving and controlling first movement dress
Set 33 and second the equal devices of mobile device 312 driving component, pressure-resistant storehouse 34 is that each driving component provides high intensity, and height is resistance to
The working environment of pressure guarantees the normal operation of each driving component.
In the present embodiment, polymetallic nodules sampler further includes two pieces of slide plates 5, and slide plate 5 is in the plate that both ends tilt, and two pieces
Slide plate 5 is connected with the bottom of accommodating mechanism 3 and collecting mechanism 4 with its inner concave respectively.The slide plate 5 of plate effectively reduces
The sedimentation situation of mechanism 3 and collecting mechanism 4 on underwater mud is accommodated, enables sampler in the rugged steady row of subsea floor
It walks；And when encountering upward slope or raised stone in forward or fallback procedures, the structure that both ends tilt is avoided that sampler quilt
It blocks.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.For those skilled in the art, obtained modifications and variations under the premise of not departing from technical concept of the invention
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of polymetallic nodules sampler is connected by optoelectronic composite cable (1) with surface mother ship (2), it is characterised in that: institute
Stating polymetallic nodules sampler includes accommodating mechanism (3) and collecting mechanism (4), and collecting mechanism (4) and accommodating mechanism (3), which are fixed, to be connected
It connects and collected polymetallic nodules is placed in accommodating mechanism (3)；The collecting mechanism (4) include guiding device (41) and
Delivery pipe (42), described delivery pipe (42) one end are the absorption end for adsorbing polymetallic nodules, and the other end is to lead to accommodating mechanism (3)
Internal discharge end, the guiding device (41) are installed at absorption end.
2. polymetallic nodules sampler according to claim 1, it is characterised in that: the guiding device (41) includes first
Wash by water part (411), the second bath part (412) and guide plate (413), the nozzle opening of first bath part (411) be directed toward and
The ground of delivery pipe (42) axis intersection, the nozzle opening of the second bath part (412) lead to delivery pipe (42) inside, the guiding
Plate (413) one end connects with the interior walls be smooth of delivery pipe (42), and the other end extends to the ground；It is described first bath part (411) and
Guide plate (413) is located at the opposite sides of delivery pipe (42) axis.
3. polymetallic nodules sampler according to claim 1, it is characterised in that: the accommodating mechanism (3) includes rack
(31), feed bin (32) and first movement device (33), the feed bin (32) and first movement device (33) are mounted on rack
(31) in, the discharge end of the delivery pipe (42) is located at the top of feed bin (32), and the inside of the feed bin (32) is separated into multiple
The driving end of the compartment of upper opening, the first movement device (33) is connected with feed bin (32) and its movement can be driven to make to appoint
The discharge end of opening alignment delivery pipe (42) of one compartment.
4. polymetallic nodules sampler according to claim 3, it is characterised in that: each wall surface of the feed bin (32) and
The wall surface for separating compartment is with meshed pervious bed.
5. polymetallic nodules sampler according to claim 3, it is characterised in that: in feed bin (32) on the rack (31)
Installed position be equipped with guide rail (311), the bottom of the feed bin (32) and guide rail (311) cooperation are slidedly arranged in rack (31).
6. polymetallic nodules sampler according to any one of claim 3 to 5, it is characterised in that: the first movement
Device is integrated with displacement sensor on (33).
7. polymetallic nodules sampler according to claim 3, it is characterised in that: the delivery pipe (42) and rack (31)
Between it is fixed by oil cylinder (422), the delivery pipe (42) is soft to being equipped with one section between discharge end in rack (31) joint
Property pipeline section (423).
8. polymetallic nodules sampler according to claim 3, it is characterised in that: the rack (31) is equipped with second and moves
Dynamic device (312) and docking head (313), the driving end of second mobile device (312) are connected with docking head (313), institute
The end for stating optoelectronic composite cable (1) is consolidated on docking head (313).
9. polymetallic nodules sampler according to claim 3, it is characterised in that: the accommodating mechanism (3) further includes peace
Loaded on the enclosed pressure-resistant storehouse (34) in rack (31), driving component is equipped in the pressure resistance storehouse (34).
10. polymetallic nodules sampler according to claim 1, it is characterised in that: the polymetallic nodules sampler is also
Including two groups of slide plates (5), the slide plate (5) be in both ends tilt plate, slide plate described in two groups (5) with its inner concave respectively with
Accommodating mechanism (3) is connected with the bottom of collecting mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811044006.3A CN109030079B (en) | 2018-09-07 | 2018-09-07 | Multi-metal nodule sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811044006.3A CN109030079B (en) | 2018-09-07 | 2018-09-07 | Multi-metal nodule sampler |
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| Publication Number | Publication Date |
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| CN109030079A true CN109030079A (en) | 2018-12-18 |
| CN109030079B CN109030079B (en) | 2024-07-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110702553A (en) * | 2019-08-30 | 2020-01-17 | 长沙矿冶研究院有限责任公司 | Submarine polymetallic nodule in-situ abundance evaluation device and evaluation system thereof |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702553A (en) * | 2019-08-30 | 2020-01-17 | 长沙矿冶研究院有限责任公司 | Submarine polymetallic nodule in-situ abundance evaluation device and evaluation system thereof |
| CN110702553B (en) * | 2019-08-30 | 2021-01-26 | 长沙矿冶研究院有限责任公司 | Submarine polymetallic nodule in-situ abundance evaluation device and evaluation system thereof |
| 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 |
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