CN106194192B - A kind of seabed Ji Kuang equipments and its collection mine method based on wall attachment effect - Google Patents
A kind of seabed Ji Kuang equipments and its collection mine method based on wall attachment effect Download PDFInfo
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- CN106194192B CN106194192B CN201610795851.9A CN201610795851A CN106194192B CN 106194192 B CN106194192 B CN 106194192B CN 201610795851 A CN201610795851 A CN 201610795851A CN 106194192 B CN106194192 B CN 106194192B
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- 230000000694 effects Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 66
- 239000011707 mineral Substances 0.000 claims abstract description 66
- 230000008676 import Effects 0.000 claims abstract description 30
- 238000005065 mining Methods 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000013535 sea water Substances 0.000 claims description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 239000011572 manganese Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000008187 granular material 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
- 239000002245 particle Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C50/00—Obtaining minerals from underwater, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, 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
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools 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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The present invention proposes that a kind of seabed Ji Kuang based on wall attachment effect is equipped and its collection mine method, the equipment include：Pedrail mechanism, ore collecting box, water-jet outflux, mineral import, propeller, grid, small curvature bottom plate；The ore collecting box front end is equipped with propeller, and grid is equipped between the ore collecting box and propeller；The ore collecting box is surrounded by surrounding and top closure metal shell and the small curvature bottom plate, the mineral import that the bottom of the ore collecting box rear and front end is respectively equipped with the water-jet outflux being connected to propeller area and is connected to mineral storage area, baffle is equipped on the water-jet outflux and mineral import, and baffle can rotate angle of inclination by adjusting.Seabed Ji Kuang equipments and its collection mine method proposed by the present invention based on wall attachment effect so that during Ji Kuang, working efficiency and work quality is greatly improved, and reduces destruction of the undersea mining in the process to sea bed surface ecological environment.
Description
Technical field
The present invention relates to the seabed fields Ji Kuang, and more particularly to a kind of seabed Ji Kuang based on wall attachment effect is equipped and its collection
Mine method.
Background technology
With world industry and rapid development of economy, mineral resources consumption sharply increases, and land mineral resources are complete
Sight is turned to the ocean for taking up an area ball surface product 71% by shortage or even exhaustion increasingly within the scope of ball, the mankind, and oceanic mineral resources are opened
It is the effective means for making up land resources exhaustion to adopt.
Ocean is on the earth not yet by the mankind fully realize and utilize maximum potential resource base.Except offshore oil gas provides
Outside source and beach ore in sand form, seabed is currently known also polymetallic nodules, cobalt bearing crust and the more metal sulphur of business extraction value
The metallic mineral resources such as compound.Rich in nickel, cobalt, copper, manganese and gold, silver metal etc. in these mineral, gross reserves is higher by land respectively
Tens times to thousands of times of corresponding reserves.China in 2013 is again formal to obtain one piece of Pacific Ocean cobalt bearing crust mining area.Obviously, deep-sea
The exploitation of mineral resources has to rely on Deep-ocean Mining Equipment progress.What on May 19th, 2015 announced《Made in China 2025》For " system
Make power " strategy specifies direction, " ocean engineering device and high-tech ship " is classified as ten great strategy fields of key breakthrough
One of, the research and development and nationalization of advanced ocean engineering device are carried out emphatically.
International universal mining technique can be divided into two kinds now.First, mechanical mining.It utilizes long chain bucket or sea
Bottom robot collects the ore on seabed surface, is then brought up with conveyer belt.Due to deep-sea landform, deep-sea is dynamic
Power, deep-sea communication etc., which working range, working efficiency is severely limited.Second is that floating is exploited.It is right using high speed
Jetting stream blows afloat seabed ore, is promoted ore from seabed in a manner of waterpower or strength by pump and pipeline.Which is by depth
Extra large environment influence is smaller, but it is big to consume energy, and mud is more in the ore of acquisition, is affected caused by the ecology of deep-sea.
Invention content
Low according to prior art efficiency set forth above, energy consumption is big, the technical problems such as big to deep-sea ecological disruption, the present invention
It is proposed a kind of seabed Ji Kuang equipments and its collection mine method based on wall attachment effect so that during Ji Kuang, be greatly improved
Working efficiency and work quality, and reduce destruction of the undersea mining in the process to sea bed surface ecological environment.
In order to achieve the above object, the present invention proposes a kind of seabed Ji Kuang equipments based on wall attachment effect, including：Tracked machine
Structure (1), ore collecting box (2), water-jet outflux (3), mineral import (4), propeller (5), grid (6), small curvature bottom plate (7)；
Ore collecting box (2) front end is equipped with propeller (5), and grid (6) is equipped between the ore collecting box (2) and propeller (5)；
The ore collecting box (2) is surrounded by surrounding and top closure metal shell and the small curvature bottom plate (7), described
The bottom of ore collecting box (2) rear and front end is respectively equipped with the water-jet outflux (3) of propeller (5) regional connectivity and is stored up with mineral
The mineral import (4) of area's connection is deposited, is equipped with baffle in the water-jet outflux (3) and mineral import (4), and baffle can be with
Angle of inclination is rotated by adjusting.
Further, controllable register makes the oblique back lower place of opening of the water-jet outflux (3) and small curvature bottom when collecting mine
Plate (7) front end is tangent, at the same controllable register make mineral import (4) diagonally forward lower section it is tangent with small curvature bottom plate (7) rear end.
Further, the internal grid (6) of the ore collecting box (2) is fixedly connected with tank wall, and the hole on grid (6)
Size can be changed by manual adjustment.
Further, the propeller (5) is five propellers side by side, functions independently, stops, and can be anti-
To rotation, while its rotating speed rule can be preset.
Further, the propeller (5) sprays the flow of fluctuation pressure with intrinsic frequency of the manganese nodule in ooze.
Further, the open cross-section of the water-jet outflux (3) and mineral import (4) is rectangular, and water jet
Export (3), mineral import (4), propeller (5) central axes overlap and it is of same size.
Further, the length Yu width ratio of the ore collecting box (2) are 1:1.
In order to achieve the above object, the present invention also proposes a kind of seabed collection mine method based on wall attachment effect, including following
Step：
Ji Kuang equipments in seabed are sent to specified mining area, open propeller, propeller rotational drives seawater movement, and passes through water
Jet exit quickly flows out, and flow washes away sea bed surface by small curvature bottom plate front end and rushes mineral grain obliquely；
The mineral grain rushed is carried by flowing water stream backward, is generated wall attachment effect by small curvature bottom plate, is carried mine
The flow of composition granule is attached to small curvature bottom plate lower surface and flows backward, finally flows into mineral import；
The flow inhalation (inhalatio) for carrying mineral grain enters ore collecting box after mineral import, and the mineral grain in flow is by lattice
Grid resistance keeps off and deposits, and ore collecting box is discharged by water-jet outflux under the drive of propeller after grid in seawater and ooze.
Further, the propeller is five propellers side by side, is sprayed with intrinsic frequency of the manganese nodule in ooze
The flow of fluctuation pressure.
Further, when ooze does not exclude in time so that when ooze is excessive in ore collecting box, control propeller rotates backward,
And the angle of water-jet outflux and mineral inlet baffle is adjusted, so that clean seawater is flowed into, wash away the mineral grain of attachment ooze,
And the big mud mixture of ooze content is discharged.
The present invention proposes a kind of seabed Ji Kuang equipments based on wall attachment effect, has the following advantages：
1. monnolithic case design on, the design of wider width shorter using length, and water-jet outflux (3), mineral into
The central axes of mouthful (4), five propellers (5) side by side overlap and of same size, to reach stability during seawater circulation
Effect good, more than mineral grain carrying amount can obtain higher collection mine efficiency under the premise of lower system energy consumes.
2. the bottoms equipped Ji Kuang are designed to the micro-arc shape of small curvature so that mineral grain in flow flow process,
Small curvature bottom plate (7) lower surface flowing can be depended on completely with flow, it is final all to flow into mineral import (4), this design
The effect for having played wall attachment effect is remarkably improved working efficiency and work quality, reduces undersea mining in the process to sea bed table
The destruction of face ecological environment.
The present invention can be widely popularized in fields such as seabed Ji Kuang based on the above reasons.
Description of the drawings
Fig. 1 show the seabed Ji Kuang equipment dimensional structure diagrams of present pre-ferred embodiments.
Fig. 2 show the side structure schematic diagram of the seabed Ji Kuang equipments of present pre-ferred embodiments.
Fig. 3 show the cell structure schematic diagram of the seabed Ji Kuang equipments of present pre-ferred embodiments.
Fig. 4 show the positive structure schematic of the seabed Ji Kuang equipments of present pre-ferred embodiments.
Fig. 5 show the vertical view of the seabed Ji Kuang equipments of present pre-ferred embodiments.
Specific implementation mode
The specific implementation mode of the present invention is provided below in conjunction with attached drawing, but the present invention is not limited to the following embodiments and the accompanying drawings.Root
According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing be all made of it is very simple
The form of change and use non-accurate ratio, be only used for conveniently, lucidly aid in illustrating the embodiment of the present invention purpose.
~Fig. 5 is please referred to Fig.1, Fig. 1 show the seabed Ji Kuang equipment dimensional structure diagrams of present pre-ferred embodiments.
Fig. 2 show the side structure schematic diagram of the seabed Ji Kuang equipments of present pre-ferred embodiments.Fig. 3 show of the invention preferably real
Apply the cell structure schematic diagram of the seabed Ji Kuang equipments of example.Fig. 4 show the seabed Ji Kuang equipments of present pre-ferred embodiments
Positive structure schematic.Fig. 5 show the vertical view of the seabed Ji Kuang equipments of present pre-ferred embodiments.
The present invention proposes a kind of seabed Ji Kuang equipments based on wall attachment effect, including：Pedrail mechanism 1, ore collecting box 2, water-jet
Outflux 3, mineral import 4, propeller 5, grid 6, small curvature bottom plate 7；
2 front end of the ore collecting box is equipped with propeller 5, and grid 6 is equipped between the ore collecting box 2 and propeller 5；
The ore collecting box 2 is surrounded by surrounding and top closure metal shell and the small curvature bottom plate 7, and material is
Stainless steel or other resistant materials.The bottom of 2 rear and front end of the ore collecting box is respectively equipped with the water with 5 regional connectivity of propeller
It is equipped with gear in jet exit 3 and the mineral import 4 being connected to mineral storage area, the water-jet outflux 3 and mineral import 4
Plate, and baffle can rotate angle of inclination by adjusting.
The ore collecting box 2 is divided to by grid 6 for the region of two endless full-mesh：The promising water cycle of front end area provides power
Propeller 5 and water-jet outflux 3, the water-jet outflux 3 be rectangular section, collect mine when controllable register make the water jet
The oblique back lower place of opening and small 7 front end of curvature bottom plate of outlet 3 are tangent, and back-end region is mineral storage area and mineral import 4, collection
When mine simultaneously controllable register make mineral import 4 diagonally forward lower section it is tangent with small 7 rear end of curvature bottom plate.
Grid 6 inside the ore collecting box 2 is fixedly connected with tank wall, and the hole on grid 6 can be by manually adjusting
Section changes size, to adapt to the filtering and collection of different minerals particle.The small curvature bottom plate 7 is the larger differential of the arc of radius of curvature
Shape is conducive to generate wall attachment effect, attracts flow attachment.
The propeller 5 is five propellers side by side, functions independently, stops, and can rotate backward, simultaneously
Its rotating speed rule can be preset so that Ji Kuang equipments are adapted to more more complicated environment.The propeller 5 is with manganese nodule
Intrinsic frequency in ooze sprays the flow of fluctuation pressure.
The crawler belt and transmission system that the pedrail mechanism 1 is distributed in 2 both sides of ore collecting box completely by two form, two crawler belts
Interval is wider so that Ji Kuang equipments are more steady when seabed is run, and are not susceptible to the accidents such as overturning.
The water-jet outflux 3 and the open cross-section of mineral import 4 are rectangular, and water-jet outflux 3, mineral import
4, propeller 5 central axes overlap and it is of same size, stable seawater circulation can be generated in this way by ensuring that.
The length of the ore collecting box 2 is 1 with width ratio:1, length is shorter so that seawater circulation institute is short through path, cycle
It is more stable, wider width so that the water for participating in cycle is sufficiently large, ensure that the efficiency and quality of Ji Kuang.
In order to achieve the above object, the present invention also proposes a kind of seabed collection mine method based on wall attachment effect, including following
Step：
Ji Kuang equipments in seabed are sent to specified mining area, open propeller, propeller rotational drives seawater movement, and passes through water
Jet exit quickly flows out, (because small curvature bottom plate front end section start angle of inclination is larger), before flow is by small curvature bottom plate
End washes away sea bed surface and rushes mineral grain obliquely；
The mineral grain rushed is carried by flowing water stream backward, and wall attachment effect is generated (due to small by small curvature bottom plate
Curvature bottom plate curvature is smaller and closer with water flow distance, so will produce wall attachment effect), the flow for carrying mineral grain is attached to
Small curvature bottom plate lower surface is flowed backward, finally flows into mineral import；
The flow inhalation (inhalatio) for carrying mineral grain enters ore collecting box after mineral import, and the mineral grain in flow is by lattice
Grid resistance keeps off and deposits, and ore collecting box is discharged by water-jet outflux under the drive of propeller after grid in seawater and ooze.
Collection mine method mainly applies wall attachment effect, can be attached under small curvature bottom plate after so that flow is carried mineral grain
Surface fully flows into mineral import to complete collection mine task backward.
The propeller is the propeller of five high-speed rotations side by side, with intrinsic frequency (16Hz of the manganese nodule in ooze
Left and right) spray fluctuation pressure flow so that collection mine efficiency further increase.
Further, when ooze does not exclude in time so that when ooze is excessive in ore collecting box, control propeller rotates backward,
And the angle of water-jet outflux and mineral inlet baffle is adjusted, so that clean seawater is flowed into, wash away the mineral grain of attachment ooze,
And the big mud mixture of ooze content is discharged.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (10)
1. a kind of seabed Ji Kuang equipments based on wall attachment effect, which is characterized in that including：Pedrail mechanism (1), ore collecting box (2), water
Jet exit (3), mineral import (4), propeller (5), grid (6), small curvature bottom plate (7)；
Ore collecting box (2) front end is equipped with propeller (5), and grid (6) is equipped between the ore collecting box (2) and propeller (5)；
The ore collecting box (2) is surrounded by surrounding and top closure metal shell and the small curvature bottom plate (7), the Ji Kuang
The bottom of case (2) rear and front end be respectively equipped with the water-jet outflux (3) of propeller (5) regional connectivity and with mineral storage area
It is equipped with baffle in the mineral import (4) of connection, the water-jet outflux (3) and mineral import (4), and baffle can pass through
Adjust rotation angle of inclination.
2. the seabed Ji Kuang equipments according to claim 1 based on wall attachment effect, which is characterized in that controllable register when collection mine
Keep the oblique back lower place of opening and small curvature bottom plate (7) front end of the water-jet outflux (3) tangent, while controllable register makes mineral
Lower section is tangent with small curvature bottom plate (7) rear end diagonally forward for import (4).
3. the seabed Ji Kuang equipments according to claim 1 based on wall attachment effect, which is characterized in that the ore collecting box (2)
Internal grid (6) is fixedly connected with tank wall, and the hole on grid (6) can change size by manual adjustment.
4. the seabed Ji Kuang equipments according to claim 1 based on wall attachment effect, which is characterized in that the propeller (5)
It for five propellers side by side, functions independently, stop, and can rotate backward, while its rotating speed rule can be set in advance
It is fixed.
5. the seabed Ji Kuang equipments according to claim 1 based on wall attachment effect, which is characterized in that the propeller (5)
The flow of fluctuation pressure is sprayed with intrinsic frequency of the manganese nodule in ooze.
6. the seabed Ji Kuang equipments according to claim 1 based on wall attachment effect, which is characterized in that the water-jet outflux
(3) and the open cross-section of mineral import (4) is rectangular, and water-jet outflux (3), mineral import (4), propeller (5)
Central axes overlap and it is of same size.
7. the seabed Ji Kuang equipments according to claim 1 based on wall attachment effect, which is characterized in that the ore collecting box (2)
Length and width ratio be 1:1.
8. a kind of seabed collection mine method based on wall attachment effect, which is characterized in that include the following steps：
Ji Kuang equipments in seabed are sent to specified mining area, open propeller, propeller rotational drives seawater movement, and passes through water jet
Quickly outflow, flow wash away sea bed surface by small curvature bottom plate front end and rush mineral grain obliquely for outlet；
The mineral grain rushed is carried by flowing water stream backward, is generated wall attachment effect by small curvature bottom plate, is carried mineral
The flow of grain is attached to small curvature bottom plate lower surface and flows backward, finally flows into mineral import；
The flow inhalation (inhalatio) for carrying mineral grain enters ore collecting box after mineral import, and the mineral grain in flow is hindered by grid
It keeps off and deposits, ore collecting box is discharged by water-jet outflux under the drive of propeller after grid in seawater and ooze.
9. the seabed collection mine method according to claim 8 based on wall attachment effect, which is characterized in that the propeller is five
A propeller side by side sprays the flow of fluctuation pressure with intrinsic frequency of the manganese nodule in ooze.
10. the seabed collection mine method according to claim 8 based on wall attachment effect, which is characterized in that when ooze is not timely
It excludes so that when ooze is excessive in ore collecting box, control propeller rotates backward, and adjusts water-jet outflux and mineral inlet baffle
Angle, so that clean seawater is flowed into, wash away the mineral grain of attachment ooze, and the big mud mixture of ooze content is arranged
Go out.
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| CN201610795851.9A CN106194192B (en) | 2016-08-31 | 2016-08-31 | A kind of seabed Ji Kuang equipments and its collection mine method based on wall attachment effect |
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| CN201610795851.9A CN106194192B (en) | 2016-08-31 | 2016-08-31 | A kind of seabed Ji Kuang equipments and its collection mine method based on wall attachment effect |
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| CN109798119A (en) * | 2017-11-17 | 2019-05-24 | 广州光环能源科技有限公司 | Bottom mining device |
| CN114151088A (en) * | 2021-12-06 | 2022-03-08 | 上海交通大学 | Double-jet hydraulic ore collecting and storing integrated device on deep sea bottom |
| CN116291462B (en) * | 2023-05-24 | 2023-08-11 | 中国海洋大学 | Ore collecting device and method based on Kangda effect |
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| CN1792697A (en) * | 2005-12-28 | 2006-06-28 | 胡广怀 | Under water magnetic adsorption danger eliminating robot for submarine |
| CN1876486A (en) * | 2006-06-30 | 2006-12-13 | 中国科学院光电技术研究所 | Multifunctional underwater robot |
| JP5086154B2 (en) * | 2008-03-04 | 2012-11-28 | 眞 八藤 | Method for producing fish egg hull extract |
| JP2009280960A (en) * | 2008-05-19 | 2009-12-03 | Tokai Univ | Pumping mechanism and sea bottom resource recovering apparatus |
| CN206000537U (en) * | 2016-08-31 | 2017-03-08 | 上海交通大学 | A kind of seabed Ji Kuang equipment based on wall attachment effect |
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Inventor after: Zhao Guocheng Inventor after: Yang Jianmin Inventor after: Xiao Longfei Inventor after: Zeng Qingkang Inventor after: Peng Tao Inventor after: Lv Haining Inventor after: Xia Ke Inventor after: Hu Jingchao Inventor after: Deng Boxian Inventor before: Yang Jianmin Inventor before: Xiao Longfei Inventor before: Zhao Guocheng Inventor before: Zeng Qingkang Inventor before: Peng Tao Inventor before: Lv Haining Inventor before: Xia Ke Inventor before: Hu Jingchao Inventor before: Deng Boxian |
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Inventor after: Yang Jianmin Inventor after: Xiao Longfei Inventor after: Zhao Guocheng Inventor after: Zeng Qingkang Inventor after: Peng Tao Inventor after: Lv Haining Inventor after: Xia Ke Inventor after: Hu Jingchao Inventor after: Deng Boxian Inventor before: Zhao Guocheng Inventor before: Yang Jianmin Inventor before: Xiao Longfei Inventor before: Zeng Qingkang Inventor before: Peng Tao Inventor before: Lv Haining Inventor before: Xia Ke Inventor before: Hu Jingchao Inventor before: Deng Boxian |
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