CN206813238U - A kind of marine surface anti-fouling anti-drag device - Google Patents

A kind of marine surface anti-fouling anti-drag device Download PDF

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Publication number
CN206813238U
CN206813238U CN201720089522.2U CN201720089522U CN206813238U CN 206813238 U CN206813238 U CN 206813238U CN 201720089522 U CN201720089522 U CN 201720089522U CN 206813238 U CN206813238 U CN 206813238U
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CN
China
Prior art keywords
plate
portable plate
porous plate
columnar projections
hole
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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.)
Withdrawn - After Issue
Application number
CN201720089522.2U
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Chinese (zh)
Inventor
张文奇
刘涛
牟成琪
谷云庆
吴登昊
钱亨
赵李盼
吴振兴
张冯烨
杜魏媛
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN201720089522.2U priority Critical patent/CN206813238U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/10Measures concerning design or construction of watercraft hulls

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  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The utility model, which discloses a kind of marine surface anti-fouling anti-drag device, includes bottom plate, portable plate, porous plate, drive device, electrolysis unit and the electric supply installation equipped with power supply adaptor, the bottom surface of bottom plate adheres to one layer of strong magnetosphere, and the bottom plate is adsorbed on the surface of hull by the strong magnetosphere of bottom;The bottom surface of portable plate coats one layer of weak magnetic layer, and top is uniformly distributed some columnar projections;Porous plate is covered in the surface of the portable plate, and the edge of porous plate and the edge of bottom plate are affixed, and some through holes for being used to insert columnar projections are distributed on porous plate, and through hole coordinates one by one with the columnar projections on portable plate;Drive device, the electric supply installation are arranged between the portable plate and bottom plate.The beneficial effects of the utility model are:By self structure electrolytic seawater and make cycle movement and be attached to the marine organisms of hull surface so as to peel off to prevent hull surface from getting dirty and change boundary layer flow field using the bowl configurations of surface alignment to reduce the device of ship resistance.

Description

A kind of marine surface anti-fouling anti-drag device
Technical field
It the utility model is related to a kind of marine surface anti-fouling anti-drag device.
Background technology
At present, the marine organisms of the marine facility surface attachment such as ship bring pole to the sea transport industry of current fast development Big harm, on the one hand it increases ship resistance, causes the speed of a ship or plane to reduce and fuel consumption increase;On the other hand metal is accelerated Corrosion, shorten the service life of ship and marine facility.When preventing marine organisms to be attached to hull surface and reducing ship's navigation Frictional resistance, to save fuel, extend endurance, increase economic efficiency it is significant.It is existing to prevent marine organisms from adhering to Measure mainly spray the anti-fouling paint containing toxicant in marine surface, its mechanism of action is by being sustained toxin to make laminar flow Certain content of toxins is kept in bottom, makes immature shellfish, sea grass etc. lethal, so as to play anti-fouling effect.After a period of time, Toxin release finishes, and marine organisms must just carry out docking cleaning and application again in the rapid raised growth of marine surface;It is and electric Solution seawater technology flourishes, and when strong oxidizing property electrolysate reaches finite concentration, can effectively suppress the attached of marine organisms .In terms of drag reduction, existing hull surface is smooth surface, and in current research achievement, non-smooth surface (such as pit table Face structure) there is preferable property of reduction drag, while there is simple in construction, easy to process, pollution-free, noiseless.According to Prior art described above, its existing subject matter are:Toxic coating short life and seriously polluted, lost after toxin release Anti-pollution function;The boundary layer flow field feature of smooth surface causes larger wall shear stress to hull, makes to exist during navigation larger Frictional resistance.
The content of the invention
The purpose of this utility model is to provide one kind can be long-term use of and prevents that marine organisms are attached using free of contamination mode In hull surface, and change boundary layer flow field feature using the non-smooth surface with bowl configurations, the bowl configurations meet The requirement of non-smooth surface drag reduction technology in flow drag reduction technology, the surface crater structure arranged by small curvature array can be with The marine surface anti-fouling anti-drag device of frictional resistance when effectively reducing ship's navigation.
A kind of marine surface anti-fouling anti-drag device described in the utility model, it is characterised in that:Including bottom plate, portable plate, Porous plate, drive device, electrolysis unit and the electric supply installation equipped with power supply adaptor, the bottom surface of the bottom plate adhere to one layer by force Magnetosphere, the bottom plate are adsorbed on the surface of hull by the strong magnetosphere of bottom;The bottom surface of the portable plate coats one layer of weak magnetic layer, Top is uniformly distributed some columnar projections, and the portable plate is adsorbed in the plate upper surface, the work by weak magnetic layer Dynamic plate bottom is provided with the groove for being used for coordinating with drive device;The porous plate is covered in the surface of the portable plate, described more The edge at the edge of orifice plate and the bottom plate is affixed, and some through holes for being used to insert columnar projections are distributed on the porous plate, and The through hole coordinates one by one with the columnar projections on the portable plate;When the portable plate is in extreme lower position, columnar projections top Face is less than the surface of porous plate;When the portable plate is in extreme higher position, the pit at the top of columnar projections is higher by the table of porous plate Face;The drive device, the electric supply installation and power supply adaptor are arranged between the portable plate and bottom plate, and described The rotor of drive device is connected with the actuator for being stuck in the groove of the portable plate, drives the portable plate to make up and down reciprocatingly Motion;The electrolysis unit includes anode, insulation fixed block and the moon made of inert material made of Cu-Al alloys Pole, the anode, the negative electrode are arranged on the insulation electrolytic trench bottom at the porous plate edge, and institute by the fixed block that insulate State anode, the negative electrode is electrically connected by respective wire and the electric supply installation.
The electric supply installation includes power supply and power supply adaptor, and the feeder ear of the power supply enters with the power supply adaptor Electric end is electrically connected, the feeder ear of the power supply adaptor respectively with drive device enter electric end, the negative and positive two-stage of electrolysis unit is electrically connected.
The drive device includes linear electric motors and actuator, and the linear electric motors are arranged on the bottom plate, described straight The bottom of the rotor of line motor and the actuator is affixed, and the upper end of the actuator is caught in the groove of the portable plate, and Pumped along the groove;The sending end of the linear electric motors is electrically connected with power supply adaptor respective pins.
Sealing ring is accompanied between the porous plate and the bottom plate.
Through hole on porous plate forms the pit surface of Non-smooth surface, laterally adjacent two through hole according to rectangle or diamond array Centre-to-centre spacing W be through hole 2~10 times of diameter;The centre-to-centre spacing L of longitudinally adjacent two through hole is 2~10 times of the diameter of through hole.
A diameter of 1mm of through hole on the porous plate.
The top of every columnar projections carries the pit of arc.
The height of the columnar projections is 5mm, and arrangement mode is identical with the through hole of porous plate surface, basic circle where pit Diameter d is 0.6~0.8mm, pit depth h:Base diameter of a circle d where pit is 0.2~0.6.
The inwall of the insulation electrolytic tank pastes one layer of electro-insulating rubber layer.
The beneficial effects of the utility model are:During the plant running, electrolysis section can produce sodium hypochlorite, and sodium hypochlorite reaches To after finite concentration, the attachment and growth of marine organisms, while the column on the portable plate of the utility model can be suppressed Projection can be moved up and down relative to porous plate, the peelable marine organisms for being attached to hull surface and prevent hull surface by Dirt, and service life is long, avoids application repeatedly, be pollution-free, can realize decontamination without stopping during ship's navigation Pool enters a port;The upper end of columnar projections is spherical bowl configurations, and under the conditions of quiescent operation, upper end and the porous plate of columnar projections are total to It is fluid drag-reduction field structured non-smooth surface with the structured non-smooth surface with pit array is formed, this small curvature battle array The bowl configurations of row arrangement can improve the flow field in wall boundary layer, reduce frictional resistance during ship's navigation.
Brief description of the drawings
Fig. 1:It is the structure chart under the conditions of the example of the utility model quiescent operation;
Fig. 2:It is structure chart when the example of the utility model peels off marine attaching organism;
Fig. 3:It is electrolysis section working state schematic representation, wherein A represents seawater, and B represents sodium hypochlorite;
Fig. 4:It is the utility model embodiment through hole schematic diagram by the rectangular distribution;
Fig. 5:It is the utility model embodiment through hole by rhombus distribution schematic diagram;
Fig. 6:It is the spherical bowl configurations of columnar projections upper end.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Referring to the drawings:
A kind of marine surface anti-fouling anti-drag device described in the utility model of embodiment 1, including it is bottom plate 1, portable plate 2, more Orifice plate 3, drive device 4, electrolysis unit 5 and electric supply installation 6, the bottom surface of the bottom plate 1 adhere to one layer strong magnetosphere 11, the bottom Plate 1 is adsorbed on the surface of hull 7 by the strong magnetosphere 11 of bottom;The bottom surface of the portable plate 2 coats one layer of weak magnetic layer 21, top It is uniformly distributed some columnar projections 22, and the portable plate 2 is adsorbed in the upper surface of bottom plate 1 by weak magnetic layer 21, it is described The bottom of portable plate 2 is provided with the groove for being used for coordinating with drive device 4;The porous plate 3 is covered in the surface of the portable plate 2, The edge at the edge of the porous plate 3 and the bottom plate 1 is affixed, is distributed on the porous plate 3 some for inserting columnar projections 22 through hole 31, and the through hole 31 coordinates one by one with the columnar projections 22 on the portable plate 2;The portable plate 2 is in most During lower position, the top surface of columnar projections 22 is less than the surface of porous plate 3;When the portable plate 2 is in extreme higher position, columnar projections 22 The pit at top is higher by the surface of porous plate 3;The drive device 4, the electric supply installation 6 are arranged on the portable plate 2 and bottom Between plate 1, and the rotor of the drive device 4 is connected with the actuator for being stuck in the groove of the portable plate 2, drives institute Portable plate 2 is stated to pump;The electrolysis unit 5 includes anode 51, insulation fixed block 52 made of Cu-Al alloys And negative electrode 53 made of inert material, the anode 51, the negative electrode 53 are arranged on described more by the fixed block 52 that insulate The bottom of insulation electrolytic tank 54 at the edge of orifice plate 3, and the anode 51, the negative electrode 53 are filled by respective wire and the power supply 6 are put to be electrically connected.
The electric supply installation 6 includes power supply 61 and power supply adaptor 62, and feeder ear and the power supply of the power supply 61 are fitted The electric end that enters of orchestration 62 is electrically connected, and the feeder ear of the power supply adaptor 62 enters electric end, electrolysis unit 5 with drive device 4 respectively Negative and positive two-stage be electrically connected.
The drive device 4 includes linear electric motors 41 and actuator 42, and the linear electric motors 41 are arranged on the bottom plate 1 On, the bottom of the rotor of the linear electric motors 41 and the actuator 42 is affixed, and the upper end of the actuator 42 is caught in the work In the groove of dynamic plate 2, and pumped along the groove;The sending end of the linear electric motors 41 and the phase of power supply adaptor 62 Pin is answered to be electrically connected.
Sealing ring 12 is accompanied between the porous plate 3 and the bottom plate 1.
Through hole 31 on porous plate 3 forms the pit surface of Non-smooth surface according to rectangle or diamond array, and laterally adjacent two The centre-to-centre spacing W of through hole 31 is 2~10 times of the diameter of through hole 31;The centre-to-centre spacing L of longitudinally adjacent two through hole 31 is the diameter 2 of through hole 31 ~10 times.
A diameter of 1mm of through hole 31 on the porous plate 3.
The top of every columnar projections 22 carries the pit of arc.
The height of the columnar projections 22 is 5mm, and arrangement mode is identical with the through hole of porous plate surface, basic circle where pit Diameter d be 0.6~0.8mm, pit depth h:Base diameter of a circle d where pit is 0.2~0.6.
The inwall of the insulation electrolytic tank 54 pastes one layer of electro-insulating rubber layer.
With reference to accompanying drawing 1, the bottom plate in the utility model may be produced that different scales and line according to the different structures of hull 7 Type, the strong magnetosphere 11 on its surface can be adsorbed tightly on hull 7;Wherein power supply 61, power supply adaptor 62, linear electric motors 41 pass through It is bolted on bottom plate 1, and is connected by wire, drive device 44 is fixed on the mover of linear electric motors 41 by sunk screw On;The portable plate 2 has the groove structure that can coordinate with drive device 4, and bottom has one layer of weak magnetic layer 21, and its magnetic can be quiet Only portable plate 2 is adsorbed on bottom plate 1 under state, excessive resistance can't be produced in running of the working condition to drive device 4, The columnar protrusions 22 of certain regularity array arrangement are distributed with the upper strata of portable plate 2, and the wire guide for having supply wire to pass through;It is described Porous plate 3 is relative with the edge of bottom plate 1, and through hole thereon coordinates one by one with the columnar protrusions 22 on portable plate 2, and has supply wire The wire guide passed through, after sealing ring 12 is installed, it is fixed on by spike bolt 5 on bottom plate 1;The electrolysis unit anode 51, negative electrode The wire that 53 connections are drawn by power supply adaptor 62, and insulation fixed block 52 is fixed on porous plate 3 by sunk screw, for section About cost, the electrolysis unit are realized insulation and sealing by insulated enclosure rubber and single unit system, if conditions permit, can used Rub smaller, sealing effectiveness better seal device, such as magnet fluid sealing.
With reference to accompanying drawing 4, accompanying drawing 5 and accompanying drawing 6, through hole internal diameter is 1mm on the porous plate 3, and through hole spacing is 3mm, arrangement Mode can be according to the rectangular arrangement of demand or diamond array, and centre-to-centre spacing W, L takes 2~10 times of through holes 31 between two adjacent through holes Diameter.The height of columnar projections 22 on the portable plate 2 is 5mm, and arrangement mode is identical with the through hole on porous plate 3, and on Hold as arc pit.Its surface crater non-smooth structure formed improves the flow field in wall boundary layer, so as to reduce ship Frictional resistance when oceangoing ship navigates by water, the energy can be saved and accelerate headway.
With reference to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, after one period, apparatus surface can be adhered to by marine organisms, now open electricity Electric current caused by power supply 61 is converted into the direct current required for electrolysis section by source 61, power supply adaptor 62, and electrolysis section starts When passing through electrolytic cell cell reaction occurs for work, seawater, and the key reaction on anode is to produce chlorine, is mainly produced on negative electrode Raw sodium hydroxide, sodium hydroxide and chlorine directly react between anode and cathode, sodium hypochlorite of the generation with strong oxidizing property, When its concentration reaches 0.01mg/L, the attachment and growth of hull surface marine organisms will be suppressed;Power supply adaptor 62 simultaneously Required for electric current caused by power supply 61 is converted into linear electric motors 41, the driver 4 of linear electric motors 41 rises, driving dress Put and promote portable plate 2 to rise, the sea that the columnar projections 22 on portable plate 2 will be attached on surface by the through hole on porous plate 3 Biology is peeled off, and rear drive equipment 4 declines, and portable plate 2 is because the attraction of bottom weak magnetic layer 21 is also kept in the center, so repeatedly After several times, the purpose for removing the dirt for being attached to marine surface can be reached.After decontamination, power supply, magnetic drive activity are closed Plate 2 and drive device 4 drop to the resting position shown in accompanying drawing 1, continue to realize the function of drag reduction under the conditions of quiescent operation.
The overall dimensions that the utility model is related to example are each 200mm of length and width, are highly
21mm, for convenience of installing, length and width size can be increased to 1000mm.The main material of the utility model embodiment is Aluminium alloy, and polytetrafluoro protective layer is coated with its surface, its main processing mode is molded for machining.
Illustrate assembling process of the present utility model with reference to Fig. 1.Bottom plate 1 is tightly adsorbed by strong magnetosphere 11 first It is rear that power supply 61, power supply adaptor 62 and linear electric motors 41 are installed on hull 7, drive device 4 is fixed on directly by sunk screw On line motor 41, and connecting wire;Groove on portable plate 2 and drive device 4 are coordinated, portable plate 2 is adsorbed by weak magnetic layer 21 On bottom plate 1, wire is passed through into the wire guide on portable plate 2;Porous plate 3 is relative with the edge of bottom plate 1 and coordinate with portable plate 2 Afterwards, wire is passed through to the wire guide of porous plate 3, is fixed on after sealing ring 12 is installed by spike bolt 13 on bottom plate 1;By wire It is connected respectively with anode and cathode through insulated enclosure rubber, insulated enclosure rubber is installed and passes through sunk screw fixed insulation fixed block 52 on porous plate 3.
Content described in this specification embodiment is only enumerating to the way of realization of utility model design, and this practicality is new The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, the scope of protection of the utility model is also wrapped Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.

Claims (8)

  1. A kind of 1. marine surface anti-fouling anti-drag device, it is characterised in that:Including bottom plate, portable plate, porous plate, drive device, electricity Device and the electric supply installation equipped with power supply adaptor are solved, the bottom surface of the bottom plate adheres to one layer of strong magnetosphere, and the bottom plate passes through The strong magnetosphere of bottom is adsorbed on the surface of hull;The bottom surface of the portable plate coats one layer of weak magnetic layer, and top is uniformly distributed some Columnar projections, and the portable plate is adsorbed in the plate upper surface by weak magnetic layer, and the portable plate bottom, which is provided with, to be used for The groove coordinated with drive device;The porous plate is covered in the surface of the portable plate, the edge of the porous plate with it is described The edge of bottom plate is affixed, and some through holes for being used to insert columnar projections, and the through hole and the work are distributed on the porous plate Columnar projections on dynamic plate coordinate one by one;When the portable plate is in extreme lower position, columnar projections top surface is less than the table of porous plate Face;When the portable plate is in extreme higher position, the pit at the top of columnar projections is higher by the surface of porous plate;The drive device, The electric supply installation is arranged between the portable plate and bottom plate, and the rotor of the drive device be connected with it is described for being stuck in Actuator in the groove of portable plate, the portable plate is driven to pump;The electrolysis unit includes being closed by Cu-Al Anode, insulation fixed block and the negative electrode made of inert material made of gold, the anode, the negative electrode are fixed by insulating Block is arranged on the insulation electrolytic trench bottom at the porous plate edge, and the anode, the negative electrode pass through respective wire and institute Electric supply installation is stated to be electrically connected.
  2. A kind of 2. marine surface anti-fouling anti-drag device as claimed in claim 1, it is characterised in that:The electric supply installation includes electricity Source and power supply adaptor, the electric end that enters of the feeder ear of the power supply and the power supply adaptor are electrically connected, the power supply adaptor Feeder ear respectively with drive device enter electric end, the negative and positive two-stage of electrolysis unit is electrically connected.
  3. A kind of 3. marine surface anti-fouling anti-drag device as claimed in claim 1, it is characterised in that:The drive device includes Linear electric motors and actuator, the linear electric motors are arranged on the bottom plate, the rotor of the linear electric motors and the actuator Bottom it is affixed, the upper end of the actuator is caught in the groove of the portable plate, and is pumped along the groove;Institute The sending end and power supply adaptor respective pins for stating linear electric motors are electrically connected.
  4. A kind of 4. marine surface anti-fouling anti-drag device as claimed in claim 1, it is characterised in that:The porous plate and the bottom Sealing ring is accompanied between plate.
  5. A kind of 5. marine surface anti-fouling anti-drag device as claimed in claim 4, it is characterised in that:Through hole on porous plate according to Rectangle or diamond array, form the pit surface of Non-smooth surface, and the centre-to-centre spacing W of laterally adjacent two through hole is the diameter 2~10 of through hole Times;The centre-to-centre spacing L of longitudinally adjacent two through hole is 2~10 times of the diameter of through hole.
  6. A kind of 6. marine surface anti-fouling anti-drag device as claimed in claim 5, it is characterised in that:Through hole on the porous plate A diameter of 1mm.
  7. A kind of 7. marine surface anti-fouling anti-drag device as claimed in claim 1, it is characterised in that:The top of every columnar projections Pit with arc.
  8. A kind of 8. marine surface anti-fouling anti-drag device as claimed in claim 7, it is characterised in that:The height of the columnar projections For 5mm, arrangement mode is identical with the through hole of porous plate surface, and base diameter of a circle d where pit is 0.6~0.8mm, pit depth h:Base diameter of a circle d where pit is 0.2~0.6.
CN201720089522.2U 2017-01-21 2017-01-21 A kind of marine surface anti-fouling anti-drag device Withdrawn - After Issue CN206813238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720089522.2U CN206813238U (en) 2017-01-21 2017-01-21 A kind of marine surface anti-fouling anti-drag device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720089522.2U CN206813238U (en) 2017-01-21 2017-01-21 A kind of marine surface anti-fouling anti-drag device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106627982B (en) * 2017-01-21 2018-05-04 浙江工业大学 A kind of marine surface anti-fouling anti-drag device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106627982B (en) * 2017-01-21 2018-05-04 浙江工业大学 A kind of marine surface anti-fouling anti-drag device

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