CN102872971B - A kind of seagoing vessel magnetic separator being suitable for seawater ore dressing - Google Patents
A kind of seagoing vessel magnetic separator being suitable for seawater ore dressing Download PDFInfo
- Publication number
- CN102872971B CN102872971B CN201210321707.3A CN201210321707A CN102872971B CN 102872971 B CN102872971 B CN 102872971B CN 201210321707 A CN201210321707 A CN 201210321707A CN 102872971 B CN102872971 B CN 102872971B
- Authority
- CN
- China
- Prior art keywords
- magnetic
- axle
- cell body
- adopts
- frame
- 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.)
- Active
Links
Abstract
The invention discloses a kind of seagoing vessel magnetic separator being suitable for seawater ore dressing, containing organic frame (6), cell body (1), permanent magnetic pulley (3) and drive unit (2), magnetic system (8) and magnetic system fixture (5).Axle head two of axle (7) adopts the full anticorrosion stainless steel of solid section to make, middle part hollow section and shaft end solid section are to be threaded and firm welding, two ends are set with copper sheathing (4) and axle bed fit system and support, and oppositely axial retention design each other; Frame (6) is designed to frame-shaped construction, adopts high-strength structure carbon steel square tube, to contact connect with two parallel bottom girder bottom surface gross areas with boat deck.Permanent magnetic pulley (3) cylindrical shell adopts full anticorrosion stainless steel, the paint of the outer surface spraying seawater corrosion resistance of frame (6).Be the integrated design to ore deposit case (13) and cell body (1).The present invention has wind and wave resistance, prevents jolting, and the premium properties of Defend salt fog, can be installed on the boats and ships of operation in river, marine site, reclaims the ferromagnetism iron mineral sorted in river sand, extra large sand.
Description
Technical field
The present invention relates to a kind of permanent-magnet drum type magnetic separator, especially relate to the permanent-magnet chamber type wet magnetic separator formed containing permanent magnetic pulley and driving mechanism, cell body, frame etc., be mainly used in sea ore-dressing practice ship in marine site, reclaim the ferromagnetism iron mineral sorted in extra large sand.
Background technology
Along with land iron ore deposit is more and more poorer in recent years, imbalance between supply and demand aggravates, and the exploitation of beach and coastal waters iron ore deposit is day by day urgent, is badly in need of a kind of magnetic plant for operations offshore of exploitation.At present, the demand of Iron concentrate increases day by day, and the scope of adopting, selecting iron ore expands to waters by land.Tradition permanent-magnet drum type magnetic separator limit because it designs environment for use, can only use on land.The rational environment for use of tradition permanent-magnet drum type magnetic separator is: the stability plane being arranged on band solid base, and conveying and separating medium using fresh water as mineral, metal part is in the space without sea salt, seawater corrosion.But in operations offshore, what face is yo-yo operation supporting surface, ubiquitous seawater salt fog working space and boisterous sea transport road.
Before this, existing people moves land permanent-magnet chamber type wet magnetic separator to operation on the sea, but does not adopt anti-corrosion measure due to traditional permanent-magnet drum type magnetic separator, and frame is four-point supporting formula structure, result occurs that equipment has produced frame for movement distortion when arriving job position, can not run well; Equipment parts generation corrosive damage, causes equipment dependability to reduce; Frame for movement and course of work design more cannot adapt at stormy waves, jolt, carry out ore-dressing practice in salt mist environment, cannot meet the demand of marine ore-dressing practice.Therefore, development one can wind and wave resistance, anti-ly jolts, and Defend salt fog, the seagoing vessel magnetic separator being suitable for seawater ore dressing is extremely urgent.
Summary of the invention
Object of the present invention is exactly the problem that cannot meet marine ore-dressing practice for existing common magnetic separator, provides a kind of wind and wave resistance, prevents jolting, and Defend salt fog, is suitable for the seagoing vessel magnetic separator of seawater ore dressing.
For realizing above-mentioned purpose of the present invention, the present invention by the following technical solutions:
A kind of seagoing vessel magnetic separator being suitable for seawater ore dressing of the present invention, containing organic frame, cell body, permanent magnetic pulley and drive unit thereof, magnetic system and magnetic system fixture; Described permanent magnetic pulley is revolving body, is placed in cell body; Magnetic is non-revolved body, is built in the bottom of permanent magnetic pulley; Be provided with concentrate outlet at the sidepiece of cell body, the bottom of cell body is provided with mine tailing outlet; Permanent magnetic pulley, magnetic system, cell body and drive unit are installed in frame.Overall being welded by more than two places non-magnetic stainless steel former of described magnetic system is split axle sleeve and is hung and be arranged in axle, accurately docks with the corresponding position groove of axle, and arranges key and screw thread jackscrew at a place or many places groove location and be connected and locate; Axle head two of axle adopts the full anticorrosion stainless steel of solid section to make, the middle part hollow section of axle and shaft end solid section are to be threaded and firm welding, both alleviated component weight, and reasonably used full anticorrosion stainless steel again, prevent the contact corrosion such as ore pulp, seawater.Axle two ends are set with copper sheathing and axle bed fit system and support, and oppositely axial retention design each other; Described chassis design is frame-shaped construction, high-strength structure carbon steel square tube is adopted to make, to contact with boat deck with two parallel bottom girder bottom surface gross areas and connect, both ensure that the support stiffness of frame body, also ensure that the bonding strength with hull, make complete machine possess the firm base support stablizing operation at the water surface jolted.
During work, permanent magnetic pulley is revolving body, drives permanent magnetic pulley to turn round in cell body by drive unit, and it is non-revolved body that magnetic system is arranged in permanent magnetic pulley.When mineral materials feeds sorting field region, Magnetic Materials is attracted to pivotal permanent magnetic pulley surface, enter unload the smooth and easy discharge of mining area field region through magnetic-adsorption, magnetic stirring, upset assorting room, nonmagnetics does not then attract to flow into cell body mine tailing with ore pulp by magnetic force and discharges aspect, by bottom, in line or overflow discharge, makes different specific susceptibility mineral realize being separated under magnetic force, gravity and fluid force acting in conjunction.
Described permanent magnetic pulley cylindrical shell adopts full anticorrosion stainless steel to make, and its two ends end cap also adopts the stainless steel integrated essence casting of full anticorrosion to manufacture, and is connected mating surface adopts packing ring and straight mouth O type circle combination sealing with permanent magnetic pulley; Undertake the pivoting support of permanent magnetic pulley and be installed in bearing box with the internal bearings of permanent magnetic pulley synchronous revolving, bearing box is positioned at the inner position of permanent magnetic pulley and adopts one rotating shaft lip sealing ring, be positioned at position, permanent magnetic pulley outer end then adopt rotating shaft lip seal and rise by the combination sealing be with and sealed and form, prevent the contact bearing such as ore pulp, seawater; Close the uncovered of all high-strength structure carbon steel square tubes, prevent seawater etc. from entering inside; The paint of all outer surfaces spraying seawater corrosion resistance of frame.
The cornerite of described magnetic system is 130-150 degree, scans the magnetic field intensity of district's magnetic field intensity higher than lower part constituency near mine tailing outlet position mine tailing escape place.Magnetic system adopts permanent-magnet magnetic material composition work magnetic circuit, along the many gradient designs of magnetic work district circumferential employing alternation, relatively stationary plant is suitably exaggerated disk pack angle, and magnetic circuit is carried out to the design optimization of Magneto separate action process, improve workspace, magnetic field and adaptation tolerance is swung to selected ore pulp, even if be in hull to jolt the selected mineral pulp level variable condition brought, the separation index of normal table still can be maintained.
Described cell body is to the thick constant level cell body of ore deposit Contiuum type limitation row, corrosion-resistant stainless steel 316L is adopted to make, and to jolt the feature causing mineral syrup liquid to rock for water surface operation, the liquid level overfall adapting to wide-angle and wave is set, ± the waving of 10 angles can be adapted to, guarantee that the sort channel that all selected mineral flow through design completely fully sorts.Be the integrated design to ore deposit case and cell body and make, and be provided with 3 line, 6 strong points, adopt high-strength bolt to be connected with described frame, its effect is the integral rigidity strengthening described cell body, cell body and frame are connected firmly, reliably, and can effectively prevent from the middle part of cell body, producing amount of deflection; Corresponding preservative treatment is all taked in all junctions.
Described magnetic system fixture is arranged on spindle nose two ends, with the deflection angle of the two ends accurate orientation magnetic system of upper arm wire rod thread adjusted in concert fastening means, and strengthen fixed form with location, two ends and undertake moment of torsion that the deadweight of magnetic system produces and hull and to jolt the powerful additional torque brought of rising and falling; Magnetic system fixture adopts corrosion-resistant stainless steel to make, and prevents the sea water intrusion that ore pulp causes corrosion and sea wind, wave etc. to bring to magnetic system fixture.
Described drive unit can on-line continuous governing speed.
After a kind of seagoing vessel magnetic separator being suitable for seawater ore dressing of the present invention adopts above technical scheme, have
Following advantage:
(1) chassis design is frame-shaped construction, and adopt high-strength structure carbon steel square tube to make, after firmly installing with hull, frame and cell body rise and fall jointly with hull body, provide the firm base support that whole set equipment is worked continuously at the water surface jolted.
(2) the thick constant level cell body of design limitation row, the liquid level overfall that adaptation ± 10 angles are waved is set, guarantee that the sort channel that all selected mineral flow through design completely fully sorts, even if hull jolts, mineral syrup liquid is back and forth changed, the ore pulp passed through still can obtain sufficient sorting, obtains the separation index of expection.
(3) described cell body is designed to ore deposit Contiuum type, its effect effectively simplifies tradition independently to the thin connection of ore deposit case, and can effectively increase trough body structure rigidity, the support of 6,3 limit is set simultaneously, high-strength bolt is adopted to be connected with frame, effectively can prevent from the middle part of cell body, producing amount of deflection, in severe work condition environment, still ensure that standard and complete ore pulp sorting run passage.
(4) magnetic system work magnetic circuit adopts the many gradient designs of circumferentially alternation, amplify disk pack angle, and design optimization is carried out to magnetic circuit, adopt every magnetic and anti-multidirectional swinging strength design to the mechanical connection between magnetic based part, even if equipment is in jounce condition with hull, the operation form set still can be kept to continue continous-stable work.And the selected mineral pulp level change brought, the separation index of normal table still can be obtained at the magnetic field operation interval of large disk pack angle height accommodation.The axle two ends of undertaking magnetic system and permanent magnetic pulley support are set with copper sheathing and axle bed fit system and support, and both played separated magnetic effect, axle two ends and the corrosion of axle bed mating surface can be avoided again to affect the regulatory function that magnetic system rotates drift angle.
(5) magnetic system fixture is arranged on spindle nose two ends, with two ends upper arm wire rod thread adjusted in concert
Fastening means accurate orientation magnetic system deflection angle, can guarantee magnetic system deadweight produce moment of torsion and hull jolt rise and fall bring powerful additional torque acting in conjunction time, still can keep magnetic system deflection angle constant needed for the operation of ore dressing Magneto separate.
(6) corresponding preservative treatment is all taked in all junctions.Close all steel square tubes uncovered, prevent seawater etc. from entering inside; The paint of all outer surfaces spraying seawater corrosion resistance, prevents wave and salt air corrosion.The exposed parts of equipment entire body all adopts anticorrosion stainless steel to make or has carried out meeting the preservative treatment that shipborne equipment requires, all connecting portions have all carried out water-impervious, anti-corrosion treatment, stop the contact arrangement inner surfaces such as corrosive seawater, make equipment under severe operation at sea operating mode, possess longer service life and stable Magneto separate transaction capabilities.
Accompanying drawing explanation
Fig. 1 is that a kind of seagoing vessel magnetic separation owner being suitable for seawater ore dressing of the present invention cuts open structure diagram;
Fig. 2 is that structure diagram is cutd open on a kind of seagoing vessel magnetic separator left side being suitable for seawater ore dressing of the present invention;
Fig. 3 is a kind of seagoing vessel magnetic separator bearing seal structure partial schematic diagram being suitable for seawater ore dressing of the present invention;
Fig. 4 is a kind of magnetic architecture schematic diagram being suitable for the seagoing vessel magnetic separator of seawater ore dressing of the present invention.
Detailed description of the invention
In order to further describe the present invention, below in conjunction with accompanying drawing, a kind of seagoing vessel magnetic separator being suitable for seawater ore dressing of the present invention is described in more detail.
A kind of seagoing vessel magnetic separation owner being suitable for seawater ore dressing of the present invention as shown in Figure 1 cuts open structure diagram and composition graphs 2 can be found out, it is made up of combinations such as frame 6, permanent magnetic pulley 3, cell body 1, drive unit 2, magnetic system fixture 5, magnetic systems 8.Permanent magnetic pulley 3 is revolving body, and its underpart is placed in cell body 1; Magnetic system 8 is non-revolved body, is built in the bottom of permanent magnetic pulley 3; Be provided with concentrate outlet 15 at the sidepiece of cell body 1, the bottom of cell body 1 is provided with mine tailing outlet 14; Permanent magnetic pulley 3, magnetic system 8, cell body 1 and drive unit 2 are installed in frame 6 by corresponding relation combination.Magnetic system 8 is fixed in the axle 7 in permanent magnetic pulley 3, is transferred to certain angle during work by magnetic system fixture 5, in the workspace, formation magnetic field, surface of permanent magnetic pulley 3.When mineral materials enters sorting field region from feeding in cell body 1 to the feed port of ore deposit case 13, Magnetic Materials is attracted to pivotal permanent magnetic pulley 3 surface, enter through magnetic-adsorption, magnetic stirring, upset assorting room and unload mining area field region and export 15 smooth and easy discharges by concentrate, nonmagnetics does not then attract to flow into cell body mine tailing with ore pulp by magnetic force and discharges aspect, export 14 by bottom mine tailing to discharge, make different specific susceptibility mineral realize being separated under magnetic force, gravity and fluid force acting in conjunction.
In shown in Fig. 1, Fig. 2, described frame 6 is " land boat type " frame-shaped construction, high-strength structure carbon steel square tube is adopted to make, the bottom surface gross area done with two parallel bottom girders contacts with boat deck and connects, both ensure that the support stiffness of frame body, also ensure that the bonding strength with hull, make complete machine possess the firm base support stablizing operation at the water surface jolted.Be welded closed by uncovered for all steel square tubes, prevent seawater etc. from entering inside; The paint of all outer surfaces spraying seawater corrosion resistance, prevents wave and salt air corrosion.
The present invention is as shown in Figure 3 a kind of is suitable for the seagoing vessel magnetic separator bearing seal structure partial schematic diagram of seawater ore dressing and composition graphs 1, Fig. 2 find out, axle 7 two ends of undertaking magnetic system 8 and permanent magnetic pulley 3 support are set with copper sheathing 4 and axle bed 12 fit system and support, axle head two of axle 7 adopts the full anticorrosion stainless steel of solid section to make, the middle part hollow section of axle 7 to be threaded and firm welding, not only plays separated magnetic effect but also axle two ends and the corrosion of axle bed mating surface can be avoided to affect the regulatory function that magnetic system rotates drift angle with shaft end solid section.And bearing 10 is installed in bearing box 9, bearing box 9 is positioned at the inner position of permanent magnetic pulley 3 and adopts one rotating shaft lip sealing ring, be positioned at position, permanent magnetic pulley 3 outer end then adopt rotating shaft lip seal and rise by the combination sealing 11 be with and sealed and form, thus decrease the possibility of ore pulp seepage corrosion bearing, extend the service life of equipment.
The present invention shown in Fig. 4 is a kind of is suitable for the magnetic architecture schematic diagram of the seagoing vessel magnetic separator of seawater ore dressing and composition graphs 1, Fig. 3 find out, magnetic system 8 entirety by more than two places non-magnetic stainless steel former be welded split axle sleeve hang be arranged in axle 7, accurately dock with the corresponding position groove of axle 7, and key and screw thread jackscrew are set at a place or many places groove location are connected and locate; And the support of magnetic system 8 and permanent magnetic pulley 3 adopts axle 7 two ends suit copper sheathing 4 and axle bed 12 fit system, and oppositely axial retention design each other, have every magnetic and anti-multidirectional swinging strength function with the mechanical connection realized between magnetic based part.
In shown in Fig. 1, Fig. 2, Fig. 3, magnetic system fixture 5 is arranged on spindle nose two ends, with the deflection angle of the two ends accurate orientation magnetic system 8 of upper arm wire rod thread adjusted in concert fastening means, can guarantee the moment of torsion that produces in magnetic system 8 deadweight and hull jolt the powerful additional torque acting in conjunction rising and falling and bring time, still can keep magnetic system 3 deflection angle constant needed for the operation of ore dressing Magneto separate.
Claims (3)
1. be suitable for a seagoing vessel magnetic separator for seawater ore dressing, containing organic frame (6), cell body (1), permanent magnetic pulley (3) and drive unit (2) thereof, magnetic system (8) and magnetic system fixture (5), to ore deposit case (13); Described permanent magnetic pulley (3) is revolving body, is placed in cell body (1); Magnetic system (8) is non-revolved body, is built in the bottom of permanent magnetic pulley (3); Be provided with concentrate outlet (15) at the sidepiece of cell body (1), the bottom of cell body (1) is provided with mine tailing outlet (14); Permanent magnetic pulley (3), magnetic system (8), cell body (1) and drive unit (2) are installed in frame (6); It is characterized in that: overall being welded by more than two places non-magnetic stainless steel former of described magnetic system (8) is split axle sleeve and hung and be arranged in axle (7), accurately dock with the corresponding position groove of axle (7), and key and screw thread jackscrew are set at a place or many places groove location are connected and locate; Axle head two of axle (7) adopts the full anticorrosion stainless steel of solid section to make, the middle part hollow section of axle (7) and shaft end solid section are to be threaded and firm welding, axle (7) two ends are set with copper sheathing (4) and axle bed (12) fit system and support, and oppositely axial retention design each other; Described frame (6) is designed to frame-shaped construction, adopts high-strength structure carbon steel square tube to make, and to contact connect with two parallel bottom girder bottom surface gross areas with boat deck; Described cell body (1) is to the thick constant level cell body of ore deposit Contiuum type limitation row, adopts corrosion-resistant stainless steel 316L to make, and to jolt the feature causing mineral syrup liquid to rock for water surface operation, setting can adapt to ± and the liquid level overfall that waves of 10 angles; Described being the integrated design to ore deposit case (13) and cell body (1) makes, and is provided with 3 line, 6 strong points, adopts high-strength bolt to be connected with described frame (6).
2. a kind of seagoing vessel magnetic separator being suitable for seawater ore dressing as claimed in claim 1, is characterized in that: described permanent magnetic pulley (3) cylindrical shell adopts full anticorrosion stainless steel to make, and its two ends end cap also adopts the stainless steel integrated essence casting of full anticorrosion to manufacture; Undertake the pivoting support of permanent magnetic pulley (3) and be installed in bearing box (9) with the internal bearings (10) of permanent magnetic pulley (3) synchronous revolving, bearing box (9) is positioned at permanent magnetic pulley (3) inner position and adopts one rotating shaft lip sealing ring, is positioned at permanent magnetic pulley (3) position, outer end and then adopts rotating shaft lip seal and rise by the combination sealing (11) be with and sealed and form; Close the uncovered of high-strength structure carbon steel square tube, the paint of all outer surfaces spraying seawater corrosion resistance of frame (6).
3. a kind of seagoing vessel magnetic separator being suitable for seawater ore dressing as claimed in claim 2, it is characterized in that: the cornerite of described magnetic system (8) is 130-150 degree, magnetic system (8) adopts permanent-magnet magnetic material composition work magnetic circuit, along the design of magnetic work district circumferential employing alternation many gradient, scan the magnetic field intensity of district's magnetic field intensity higher than point constituency in mine tailing escape place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210321707.3A CN102872971B (en) | 2012-09-04 | 2012-09-04 | A kind of seagoing vessel magnetic separator being suitable for seawater ore dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210321707.3A CN102872971B (en) | 2012-09-04 | 2012-09-04 | A kind of seagoing vessel magnetic separator being suitable for seawater ore dressing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102872971A CN102872971A (en) | 2013-01-16 |
| CN102872971B true CN102872971B (en) | 2015-07-29 |
Family
ID=47474614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210321707.3A Active CN102872971B (en) | 2012-09-04 | 2012-09-04 | A kind of seagoing vessel magnetic separator being suitable for seawater ore dressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102872971B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029946B (en) * | 2014-06-04 | 2016-08-24 | 马鞍山市天工科技股份有限公司 | The blockage-clearing device of V flute profile disjunctor armored concrete feed bin |
| CN115445767B (en) * | 2022-09-14 | 2023-05-23 | 承德星铄科技有限公司 | Multi-gradient parallel double-roller dry magnetic separator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201231178Y (en) * | 2008-07-07 | 2009-05-06 | 潍坊华新自动化设备有限公司 | Permanent magnetism separation roller |
| CN201244512Y (en) * | 2008-06-16 | 2009-05-27 | 江西永丰县博源实业有限公司 | Electromagnetic separator |
| CN102366729A (en) * | 2011-11-08 | 2012-03-07 | 中国矿业大学 | Dry magnetic separator based on fluidization |
| CN202778709U (en) * | 2012-09-04 | 2013-03-13 | 马鞍山市天工科技有限公司 | Corrosion preventive and jolt resisting permanent magnet drum magnetic separator for ship use |
-
2012
- 2012-09-04 CN CN201210321707.3A patent/CN102872971B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201244512Y (en) * | 2008-06-16 | 2009-05-27 | 江西永丰县博源实业有限公司 | Electromagnetic separator |
| CN201231178Y (en) * | 2008-07-07 | 2009-05-06 | 潍坊华新自动化设备有限公司 | Permanent magnetism separation roller |
| CN102366729A (en) * | 2011-11-08 | 2012-03-07 | 中国矿业大学 | Dry magnetic separator based on fluidization |
| CN202778709U (en) * | 2012-09-04 | 2013-03-13 | 马鞍山市天工科技有限公司 | Corrosion preventive and jolt resisting permanent magnet drum magnetic separator for ship use |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102872971A (en) | 2013-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104271437B (en) | Ship mooring station | |
| CN107640296B (en) | A kind of far-reaching extra large oil-gas field development drilling goods and materials storage transfer floating platform | |
| CN102963502A (en) | Single-point moored floating body device for marine engineering | |
| CN105298715A (en) | Deepwater energy generating station, power station, ship power device and offshore floating city of ship power device | |
| CN102878007A (en) | (Ultra-large) hydroelectric power plant | |
| CN102872971B (en) | A kind of seagoing vessel magnetic separator being suitable for seawater ore dressing | |
| GB2133446A (en) | Offshore installation | |
| CN107249977A (en) | Floating ship | |
| CN104590497A (en) | FPSO (Float Production Storage and Offloading) ship | |
| CN102320357A (en) | Spar Platform centerwell device | |
| CN101503110B (en) | Offshore shipping mooring apparatus | |
| CN105416511A (en) | Semi-submersible piling marine platform positioning system | |
| CN202778709U (en) | Corrosion preventive and jolt resisting permanent magnet drum magnetic separator for ship use | |
| US20150175245A1 (en) | Butt joint octagonal frustum type floating production storage and offloading system | |
| CN201932335U (en) | Seawater ballast-free chemical ship | |
| CN106005266A (en) | Wave piercing type buoy structure and buoy system | |
| US20150175246A1 (en) | Sandglass type ocean engineering floating structure | |
| CN106430072A (en) | Hanging chain type single-point mooring oil transportation device | |
| CN106232468B (en) | Outer capstan head with steering framing wheel | |
| CN205686575U (en) | Wear wave formula buoy structure and buoyage | |
| CN107460906A (en) | A kind of adaptivity river bottom mud purifier | |
| CN203767029U (en) | Water navigation aiding buoy | |
| CN111252660A (en) | Buoyancy device and method for integral transportation of offshore wind turbine | |
| CN109466708A (en) | The steady formula single point mooring unit of deep water column | |
| CN207015551U (en) | A kind of underwater rotation fairleader |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 243000 Anhui city in Ma'anshan Province Economic Development Zone No. 9 Ranlu Zhu Patentee after: MAANSHAN TIANGONG TECHNOLOGY CO., LTD. Address before: 243000 Anhui city in Ma'anshan Province Economic Development Zone No. 9 Ranlu Zhu Patentee before: Maanshan Heavenly Technology Co., Ltd. |