CN106823513B - Seawater strainer - Google Patents
Seawater strainer Download PDFInfo
- Publication number
- CN106823513B CN106823513B CN201611255302.9A CN201611255302A CN106823513B CN 106823513 B CN106823513 B CN 106823513B CN 201611255302 A CN201611255302 A CN 201611255302A CN 106823513 B CN106823513 B CN 106823513B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- mechanical arm
- strainer
- seawater
- clump weight
- 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.)
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- 239000013535 sea water Substances 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
This application discloses a kind of seawater strainers, including strainer ontology, first mechanical arm and clump weight, strainer ontology is fixed with first support, the first limiting section is arranged in first mechanical arm, first, which is fixedly connected with portion, is fixedly connected with portion with second, first is fixedly connected with portion connects with first support axis, second is fixedly connected with portion connects with clump weight axis, clump weight and first support connect with first mechanical arm axis respectively, strainer outer body surface is provided with stopper section, the setting of first portion of being fixedly connected is fixedly connected between portion in the first limiting section with second, first limiting section and stopper section counter stopper, by when normal use, the fixed seawater strainer of the cooperation of first mechanical arm and stopper section, when needing to clean, as long as lifting rope rotates first mechanical arm, seawater strainer gets rid of locking state, rope can be followed directly after to be lifted to deck progress clearly It washes, is able to solve prior art cleaning strainer and needs to remove support construction, the problem of wasting manpower and material resources.
Description
Technical field
The present disclosure relates generally to ocean engineering field more particularly to a kind of seawater strainers.
Background technique
The ocean engineerings product such as cylinder-shaped FPSO, drilling platforms, accommodation platform has the characteristics of adapting to various marine environments
Increasingly by the welcome in market.The work for optimizing the intermediate item is imperative, and ocean engineering market is in current international oil
Under the overall situation that valence drops repeatedly, internal strength is practiced hard, cost efficiency can just establish oneself in an unassailable position.
Seawater screen system is placed on ballast pipe end, at lower 22 meters of sea level, primarily serves impurity in filtering sea
Effect.Conventional cylinder-shaped FPSO, drilling platforms, accommodation platform seawater strainer substantially use the zinc-plated filter of steel on our times
Net and pipe support construction.
In the prior art, seawater strainer substantially uses pipe support construction.The cleaning and maintenance operational difficulties of strainer, disassembly sea
Bottom strainer needs to extract out nearly 20 sections of supporting steel pipe structures, dismantling connection flange bolt 80 or so, needs work hour about 8 small
When.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide one kind and does not need to remove pipe support construction, have
The seawater strainer of folding and unfolding and locking function, convenient disassembly.
In a first aspect, seawater strainer of the invention, including strainer ontology, first mechanical arm and clump weight, strainer ontology are solid
Surely there is first support, the first limiting section of first mechanical arm setting, first are fixedly connected with portion and are fixedly connected with portion with second, and first is fixed
Interconnecting piece connects with first support axis, and second is fixedly connected with portion connects with clump weight axis, clump weight and first support respectively with the first machine
Tool arm axle connects, and strainer outer body surface is provided with stopper section, and the setting of first portion of being fixedly connected is solid in the first limiting section and second
Determine between interconnecting piece, the first limiting section and stopper section counter stopper.
According to technical solution provided by the embodiments of the present application, by when normal use, first mechanical arm and backstop
The fixed seawater strainer of the cooperation in portion, when needing to clean, as long as lifting rope rotates first mechanical arm, seawater strainer pendulum
De- locking state can follow directly after rope and be lifted to deck and be cleaned, be able to solve prior art cleaning strainer needs
The problem of dismounting support construction, wasting manpower and material resources.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the first mechanical arm of the seawater strainer of the embodiment of the present invention and the structural representation of second mechanical arm cooperation
Figure；
Fig. 2 is the main view of the first mechanical arm of the seawater strainer of the embodiment of the present invention；
Fig. 3 is the main view of the second mechanical arm of the seawater strainer of the embodiment of the present invention；
Fig. 4 is the top view of second mechanical arm shown in Fig. 3；
Fig. 5 is the structure of first mechanical arm, second mechanical arm, the clump weight cooperation of the seawater strainer of the embodiment of the present invention
Schematic diagram；
Fig. 6 is the structural schematic diagram of the seawater strainer locking state of the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the seawater strainer of the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of the seawater strainer open configuration of the embodiment of the present invention.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Please referring to Fig. 1 to Fig. 8, seawater strainer of the invention includes strainer ontology 30, first mechanical arm 10 and clump weight 40,
Strainer ontology 30 is fixed with first support 31, and first mechanical arm 10 is arranged the first limiting section 11, first is fixedly connected with portion 12 and the
Two are fixedly connected with portion 13, and first is fixedly connected with portion 12 connects with 31 axis of first support, and second is fixedly connected with portion 13 and 40 axis of clump weight
It connects, clump weight 40 and first support 31 connect with 10 axis of first mechanical arm respectively, and 30 outer surface of strainer ontology is provided with stopper section
33, first, which is fixedly connected with the setting of portion 12, is fixedly connected between portion 13 in the first limiting section 11 with second, the first limiting section 11 with only
33 counter stopper of stopper.
In an embodiment of the present invention, it is preferable that strainer ontology uses netted hollow cylinder structure, filters out extra large in seawater
Foreign biology, first mechanical arm are fixedly connected with portion by first and connect with first support axis, i.e., first mechanical arm passes through first company of fixation
Socket part is fixed with filter cloth edge, and first mechanical arm can be rotated around first portion of being fixedly connected, and first mechanical arm is fixed by second
Interconnecting piece connects with clump weight axis, when seawater screen system works normally, the first limiting section and stopper section counter stopper,
Under the action of clump weight and the first limiting section, first mechanical arm is in locking state.Specifically, when first mechanical arm is in locking
When under state, the first limiting section and second portion of being fixedly connected are located at first and are fixedly connected between portion, at this point, the first limiting section
With filter cloth edge clamping, the first limiting section receives the active force of filter cloth edge vertically downward, and second is fixedly connected with portion by counterweight
The pulling force of block straight down, the first limiting section and stopper section are located at the two sides at pipeline edge and clamp ballast pipe edge,
Two power reach balance, and seawater strainer is fixed on ballast pipe, and seawater strainer works normally；When needing to clean strainer,
Upwards lifting rope, drive clump weight move upwards, drive second portion of being fixedly connected move upwards, at this point, the first limiting section around
The rotation of first portion of being fixedly connected, first mechanical arm is integrally lifted up, and is fixedly connected with portion's band electric filter by first and transports upwards
Dynamic, first mechanical arm is in relaxation state, and seawater strainer is not secured on ballast pipe at this time, and the first limiting section does not have limit
Position effect cleans strainer until lifting seawater strainer along ballast pipe to deck, does not need to remove support knot
Structure has saved wasting manpower and material resources.
Further, including second mechanical arm 20, strainer ontology 30 are fixed with second support 32, and second mechanical arm 20 is arranged
Second limiting section 21, third are fixedly connected with portion 22 and are fixedly connected with portion 23 with the 4th, and third is fixedly connected with portion 22 and second support 32
Axis connects, and the 4th is fixedly connected with portion 23 connects with 40 axis of clump weight, and third is fixedly connected with portion 22 and is arranged in the second limiting section 21 and the 4th
It is fixedly connected between portion 23, the second limiting section 21 and 33 counter stopper of stopper section.
In an embodiment of the present invention, second mechanical arm is fixedly connected with portion by third and connects with second support axis, i.e., and second
Mechanical arm is fixedly connected with portion by third and fixes with filter cloth edge, and second mechanical arm can be rotated around the third portion of being fixedly connected, the
Two mechanical arms are fixedly connected with portion by the 4th and connect with clump weight axis, when seawater screen system works normally, the second limit
Portion and stopper section counter stopper, under the action of clump weight and the second limiting section, second mechanical arm is in locking state.Specifically
, when second mechanical arm is under locking state, the second limiting section and the 4th portion of being fixedly connected are located at the fixed company of third
Between socket part, at this point, the second limiting section and filter cloth edge clamping, the second limiting section receives the effect of filter cloth edge vertically downward
Power, the 4th is fixedly connected with the pulling force of portion straight down by clump weight, and the second limiting section and stopper section are located at pipeline edge
Two sides and clamp ballast pipe edge, two power reach balance, and seawater strainer is fixed on ballast pipe, and seawater strainer is just
Often work；When needing to clean strainer, lift rope upwards, clump weight driven to move upwards, drive the 4th be fixedly connected portion to
Upper movement, at this point, the second limiting section is rotated around the third portion of being fixedly connected, second mechanical arm is integrally lifted up, and passes through third
It is fixedly connected with portion's band electric filter to move upwards, second mechanical arm is in relaxation state, and seawater strainer is not secured to ballast at this time
On water pipe, the second limiting section does not have position-limiting action, until seawater strainer is lifted along ballast pipe to deck, to strainer
It is cleaned, is not needed to remove support construction, saved wasting manpower and material resources, entire screen system is eliminated from deck to strainer
20 sections of entire support tube, directly mitigation Item Weight, cost efficiency.
Fig. 6 to Fig. 8 is please referred to, further, the first movable span 34 and the second movable span 35, the first machine is arranged in strainer ontology
Tool arm 10 moves in the first movable span 34, and second mechanical arm 20 moves in the second movable span 35.
In an embodiment of the present invention, strainer ontology is arranged the first movable span and the second movable span, and first mechanical arm is the
It is moved in one movable span, second mechanical arm moves in the second movable span, facilitates first mechanical arm and second mechanical arm to rotate, no
Interfere with strainer, improves the stability and reliability of seawater filter structure.
Further, first mechanical arm 10 and second mechanical arm 20 are moved in same plane, the rotation of first mechanical arm 10
Direction is opposite with the rotation direction of second mechanical arm 20.
In an embodiment of the present invention, filter cloth edge is circle, it is preferred that the first machine is arranged in two mechanical arms of setting
Tool arm and second mechanical arm, first mechanical arm and second mechanical arm same plane move, the rotation direction of first mechanical arm with
The rotation direction of second mechanical arm on the contrary, namely first mechanical arm and the second mechanical arm circle of dividing equally filter cloth edge composition,
Under the premise of ensure that the intensity of seawater strainer mechanical arm, the quality of seawater strainer is reduced, manufacturing cost is reduced, when
It so can choose more mechanical arm, it is preferable that the circle that mechanical arm etc. divides filter cloth edge to be formed, mechanical arm is along strainer side
The circle that edge is formed is arranged radially.
With reference to Fig. 4, further, the 4th, which is fixedly connected with portion 23, is arranged U-typed slot 24, and the first inner end is arranged in U-typed slot 24
Face 25 and the second inner face 26, second, which is fixedly connected with portion 13, is arranged between the first inner face 25 and the second inner face 26.
In an embodiment of the present invention, second portion is fixedly connected in the first inner face and the sliding of the second inner face surface, protect
The steady of movement has been demonstrate,proved, the reliability of seawater strainer mechanical arm is improved.
Further, first mechanical arm 10 and second mechanical arm 20 are bidirectional stainless steel material.
In an embodiment of the present invention, first mechanical arm and second mechanical arm are bidirectional stainless steel material, are improved
The intensity and corrosion resistance of first mechanical arm and second mechanical arm.
Further, it including with being redirected 41, is fixedly connected with being redirected 41 with clump weight 40, the bottom of strainer ontology 30
It is provided with third movable span 36, is moved with being redirected 41 in third movable span 36, with being redirected 41 one far from clump weight 40
End setting block 42, the radial distance of block 42 are greater than the radial distance of third movable span 36.
In the bright embodiment of we, when lifting rope, clump weight guiding follows clump weight to move up and down, third
Movable span limits the movement of clump weight directed radial, prevents clump weight bias motion route, makes strainer part during lifting
Generation rock with ballast pipe friction, extend the service life of seawater strainer, be redirected far from clump weight one end be arranged
Block, the radial distance of block are greater than the radial distance of third movable span, and during clump weight guiding movement, block blocks filter
The lateral surface of sieve bottom enables strainer that clump weight guiding to be followed to follow rope to lift to deck together.
Further, stopper section 33 is the annular protrusion around 30 lateral surface of strainer ontology.
In an embodiment of the present invention, stopper section be around strainer outer body face annular protrusion, increase stopper section with
The contact area of ballast pipe, makes mechanical arm in locking state, can uniform stressed, avoid part generate abrasion, improve
The reliability of seawater strainer, extends service life.
Further, strainer ontology 30 is glass fiber reinforced polypropylene strainer.
In an embodiment of the present invention, strainer ontology is glass fiber reinforced polypropylene strainer, ensure that strainer intensity, mentions
High seawater corrosion resistance ability, reduces the attachment of marine organisms, while alleviating the weight of seawater strainer.
Further, including external current protection device 50, external current protection device 50 are fixedly connected with clump weight 40.
In an embodiment of the present invention, including external current protection device, external current protection device are fixed with clump weight
Connection, external current protection device can effectively reduce microorganism and be attached to above seawater strainer.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of seawater strainer, which is characterized in that including strainer ontology, first mechanical arm and clump weight, the strainer ontology is solid
Surely there is first support, the first limiting section of the first mechanical arm setting, first are fixedly connected with portion and are fixedly connected with portion with second, described
First is fixedly connected with portion connects with the first support axis, and described second is fixedly connected with portion connects with the clump weight axis, the counterweight
Block and the first support connect with the first mechanical arm axis respectively, and strainer outer body surface is provided with stopper section, institute
State first portion of being fixedly connected setting be fixedly connected between portion in first limiting section with described second, first limiting section with
The stopper section counter stopper.
2. seawater strainer according to claim 1, which is characterized in that including second mechanical arm, the strainer ontology is fixed
There is a second support, the second limiting section is arranged in the second mechanical arm, third is fixedly connected with portion and is fixedly connected with portion with the 4th, and described the
Three are fixedly connected with portion connects with the second support axis, and the described 4th is fixedly connected with portion connects with the clump weight axis, and the third is solid
Determine interconnecting piece setting to be fixedly connected between portion in second limiting section and the described 4th, second limiting section and the backstop
Portion's counter stopper.
3. seawater strainer according to claim 2, which is characterized in that the first movable span and second is arranged in the strainer ontology
Movable span, the first mechanical arm move in first movable span, and the second mechanical arm is in second movable span
Movement.
4. seawater strainer according to claim 2, which is characterized in that the first mechanical arm and the second mechanical arm exist
Same plane movement, the rotation direction of the first mechanical arm are opposite with the rotation direction of the second mechanical arm.
5. seawater strainer according to claim 2, which is characterized in that U-typed slot, institute is arranged in the 4th portion of being fixedly connected
State U-typed slot and the first inner face and the second inner face be set, second portion of the being fixedly connected setting in first inner face and
Between second inner face.
6. seawater strainer according to claim 2, which is characterized in that the first mechanical arm and the second mechanical arm are equal
For bidirectional stainless steel material.
7. seawater strainer according to claim 1-6, which is characterized in that including with being redirected, the counterweight is led
It is fixedly connected to the clump weight, the bottom of the strainer ontology is provided with third movable span, and the counterweight is directed at described
It is moved in third movable span, it is described with the one end being redirected far from clump weight setting block, the radial distance of the block
Greater than the radial distance of the third movable span.
8. seawater strainer according to claim 1-6, which is characterized in that the stopper section is around the strainer sheet
The annular protrusion of outside.
9. seawater strainer according to claim 1-6, which is characterized in that the strainer ontology is glass fibre increasing
Strong polypropylene screen.
10. seawater strainer according to claim 1-6, which is characterized in that including external current protection device, institute
External current protection device is stated to be fixedly connected with the clump weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255302.9A CN106823513B (en) | 2016-12-30 | 2016-12-30 | Seawater strainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255302.9A CN106823513B (en) | 2016-12-30 | 2016-12-30 | Seawater strainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106823513A CN106823513A (en) | 2017-06-13 |
| CN106823513B true CN106823513B (en) | 2019-03-19 |
Family
ID=59113563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611255302.9A Active CN106823513B (en) | 2016-12-30 | 2016-12-30 | Seawater strainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106823513B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5794487A (en) * | 1995-07-10 | 1998-08-18 | Smart Machines | Drive system for a robotic arm |
| CN101450367A (en) * | 2007-12-04 | 2009-06-10 | 中南大学 | High-stability heavy-load clamp |
| CN201930614U (en) * | 2010-09-25 | 2011-08-17 | 裴玉杰 | Sand filter |
| CN202061448U (en) * | 2011-03-25 | 2011-12-07 | 朱木钦 | Underwater filter |
| CN203752140U (en) * | 2014-04-10 | 2014-08-06 | 齐齐哈尔齐三机床有限公司 | Manipulator |
| CN205148344U (en) * | 2015-11-02 | 2016-04-13 | 彭亚洲 | Self -interacting mechanical gripper |
-
2016
- 2016-12-30 CN CN201611255302.9A patent/CN106823513B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5794487A (en) * | 1995-07-10 | 1998-08-18 | Smart Machines | Drive system for a robotic arm |
| CN101450367A (en) * | 2007-12-04 | 2009-06-10 | 中南大学 | High-stability heavy-load clamp |
| CN201930614U (en) * | 2010-09-25 | 2011-08-17 | 裴玉杰 | Sand filter |
| CN202061448U (en) * | 2011-03-25 | 2011-12-07 | 朱木钦 | Underwater filter |
| CN203752140U (en) * | 2014-04-10 | 2014-08-06 | 齐齐哈尔齐三机床有限公司 | Manipulator |
| CN205148344U (en) * | 2015-11-02 | 2016-04-13 | 彭亚洲 | Self -interacting mechanical gripper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106823513A (en) | 2017-06-13 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 226000 No. 1, COSCO Road, Jiangsu, Nantong Co-patentee after: COSCO Shipping (Qidong) Ocean Engineering Co., Ltd. Patentee after: Nantong COSCO Shipping Engineering Co., Ltd. Address before: 226000 No. 1, COSCO Road, Jiangsu, Nantong Co-patentee before: COSCO Shipping (Qidong) Ocean Engineering Co., Ltd. Patentee before: COSCO Shipyard Group Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226000 No. 1, COSCO Road, Jiangsu, Nantong Co-patentee after: Qidong Zhongyuan Marine Engineering Co., Ltd. Patentee after: Nantong COSCO Shipping Engineering Co., Ltd. Address before: 226000 No. 1, COSCO Road, Jiangsu, Nantong Co-patentee before: COSCO Shipping (Qidong) Ocean Engineering Co., Ltd. Patentee before: Nantong COSCO Shipping Engineering Co., Ltd. |
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