CN114875413A - Hull impressed current cathodic protection device and method capable of adjusting protection potential - Google Patents
Hull impressed current cathodic protection device and method capable of adjusting protection potential Download PDFInfo
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- CN114875413A CN114875413A CN202210547928.6A CN202210547928A CN114875413A CN 114875413 A CN114875413 A CN 114875413A CN 202210547928 A CN202210547928 A CN 202210547928A CN 114875413 A CN114875413 A CN 114875413A
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- 238000004210 cathodic protection Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/18—Means for supporting electrodes
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
- C23F2213/31—Immersed structures, e.g. submarine structures
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Chemical & Material Sciences (AREA)
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a ship body impressed current cathodic protection device capable of adjusting protection potential and a method thereof, relating to the technical field of cathodic protection devices. Hull impressed current cathodic protection device of adjustable protection potential, including connecting rod and controller, first mounting has been cup jointed at the both ends of connecting rod, and the last meshing of connecting rod has a supporting component, is provided with the reference electrode on the connecting rod, supporting component includes thread bush, movable block, go-between, supporting spring, support member and second mounting. The ship body impressed current cathodic protection device and method capable of adjusting the protection potential provided by the invention are provided with the connecting rod and the supporting assembly, the connecting rod is rotated to drive the threaded sleeve to move, one end of the supporting rod piece is driven to rotate, so that the anode body arranged at the other end of the supporting rod piece moves, the anode body is fixed through the supporting rod piece, the height and the interval of the anode body can be adjusted according to needs, the protection area of a ship body can be changed, and the flexibility is high.
Description
Technical Field
The invention relates to the technical field of cathodic protection devices, in particular to a hull impressed current cathodic protection device capable of adjusting a protection potential and a method thereof.
Background
The existing ship ballast tank is of a steel structure, and in order to reduce corrosion, a zinc block can be installed in the ballast tank, so that the time is long, certain pollution is easily caused, the zinc block needs to be replaced regularly, and the cost is high.
Chinese patent CN214168139U discloses an impressed current cathodic protection device for a ship ballast tank, and particularly relates to the field of ships. The utility model discloses a set up the cable, the potentiostat, reference electrode and auxiliary anode, reference electrode is joined in marriage to every ballast tank, auxiliary anode, link to each other with the potentiostat through the cable, the reference electrode surveys potential signal and passes to the potentiostat, the potentiostat calculates the comparison processing back, if the electric potential is higher than the best protective value, through auxiliary anode release current, reduce ballast tank electric potential, and make it maintain in the best protective value, it is more intelligent, and is pollution-free, simple to operate, the better ideal of protective effect, and the cost of input is lower.
Although this application solves the problems in the background art to some extent, the following problems exist in this application: 1. the positions of the reference electrode and the auxiliary electrode are fixed, current can be released only at the fixed positions, the output current of the anode is generally large, the adjustability of the corrosion protection effect of the whole ship is poor, and local over-protection or local under-protection is easy to cause; 2. the reference electrodes are intensively distributed at fixed positions, so that the flexibility of underwater potential adjustment of the whole ship is low, and the corrosion protection requirement is difficult to meet; 3. at present boats and ships generally adopt welding and bolted connection's fixed sacrificial anode protection hull, and the footing of sacrificial anode welds in hull planking, topside planking and ballast water tank, because the welding can destroy the coating, boats and ships need advance the dock during the change, make boats and ships break away from the surface of water and just can change, and the replacement cost is high, therefore hardly observes at ordinary times, overhauls and changes, if change untimely, the hull will face the danger of being corroded.
Disclosure of Invention
The invention aims to provide a ship body impressed current cathodic protection device and method capable of adjusting protection potential, which is provided with a connecting rod and a supporting assembly, wherein the connecting rod is rotated to drive a threaded sleeve to move, one end of a supporting rod piece is driven to rotate, so that an anode body arranged at the other end of the supporting rod piece moves, the anode body is fixed through the supporting rod piece, the height and the distance of the anode body can be adjusted as required, a protection area of a ship body can be changed, and the flexibility is high; the reference electrodes are arranged separately, the reference electrodes are adjusted along with the height of the connecting rod, potential signals measured by the reference electrodes are transmitted to the acquisition module, and after calculation and comparison processing by the main control chip, if the potential is higher than the optimal protection value, current is released through the anode body, the potential of the ballast tank is reduced and maintained in the optimal protection value, so that the measurement and control precision of the hull potential can be improved; the connecting rod is fixed in position through the first fixing piece, the rotating rod is rotated to drive the threaded rod to extend into and extend out of the rotating groove, the distance between the fixing ring and the fixing block is adjusted, the position adjustment of the connecting rod is controlled, and the use is convenient; a supporting spring is arranged between the supporting rod pieces, when the moving block is far away, the angle between the supporting rod pieces is increased, and under the action of the supporting spring, the supporting rod pieces freely adjust the inclination angle according to the curvature of the outer surface of the hull; when the support rod piece rotates to the upward direction of the rotation of the end connected with the anode body, the anode body moves out of the water surface, the anode body can be replaced, the replacement difficulty of the anode body is reduced, and the problem provided in the background technology is solved.
In order to achieve the purpose, the invention provides the following technical scheme: hull impressed current cathodic protection device of adjustable protection potential, including connecting rod and controller, first mounting has been cup jointed at the both ends of connecting rod, and the last meshing of connecting rod has a supporting component, is provided with reference electrode on the connecting rod, the supporting component includes thread bush, movable block, go-between, supporting spring, support member and second mounting, and the thread bush meshes with the connecting rod, and swing joint has the go-between on the thread bush, and supporting spring has been cup jointed to one side of go-between, and the both ends fixedly connected with movable block of supporting spring, movable block and go-between cup joint, movable block and thread bush swing joint, movable block and the one end swing joint of support member, and the other end of support member is provided with the anode body, and swing joint has the second mounting on the support member, the controller includes main control chip, collection module, display module, alarm module, The main control chip is respectively electrically connected with the acquisition module, the display module, the alarm module, the power supply module and the control module, the acquisition module is electrically connected with the reference electrode, and the control module is electrically connected with the anode body.
Preferably, the outside of connecting rod is provided with the external screw thread, and the upper end of connecting rod is provided with rotatory tip, and the lower extreme of connecting rod is provided with spacing tip, is provided with the supporting component more than two at least on the connecting rod.
Preferably, the number of the reference electrodes is two, one reference electrode is arranged in the middle of the connecting rod, and the lower end of the connecting rod is provided with one reference electrode.
Preferably, first mounting includes fixed block, rotary rod and solid fixed ring, and the swivelling chute has been seted up to one side of fixed block, and the one end swing joint of swivelling chute and rotary rod, the inside of rotary rod sets up threaded hole, and solid fixed ring's one side is provided with the threaded rod, threaded rod and threaded hole meshing.
Preferably, an annular groove is formed in the outer wall of the threaded sleeve, and a connecting ring is movably sleeved in the annular groove.
Preferably, the moving block is connected with the annular groove in a clamping mode, a movable hole is formed in one side of the moving block and is in sleeve joint with the connecting ring, and a sliding ball is arranged on the other side of the moving block and is movably connected with the supporting rod piece.
Preferably, an arc-shaped sliding groove is formed in one end, connected with the moving block, of the supporting rod piece, the arc-shaped sliding groove is connected with the sliding ball in a clamping mode, a long waist groove is formed in the supporting rod piece, and the long waist groove is movably connected with the second fixing piece.
Preferably, the second mounting includes gag lever post, stiff end and spacing end, and stiff end and spacing end are connected respectively at the both ends of gag lever post, and the gag lever post runs through long waist groove, stiff end and hull fixed connection.
Preferably, the connecting rod and the support rod piece are internally provided with a circuit through groove.
The invention provides a using method of a ship hull impressed current cathodic protection device capable of adjusting protection potential, which comprises the following steps:
s1: the position of the connecting rod outside the hull is fixed through the first fixing piece, so that the connecting rod is vertically arranged, the position of the supporting rod piece is fixed through the second fixing piece, one end of the supporting rod piece, which is connected with the anode body, is attached to the hull, the acquisition module is electrically connected with the reference electrode, and the control module is electrically connected with the anode body;
s2: adjusting the positions of the reference electrode and the anode body, rotating the connecting rod, enabling the threaded sleeve to move downwards along the connecting rod under the limitation of the supporting rod piece, enabling the threaded sleeve to drive one end of the supporting rod piece to rotate, pulling the distance between the anode bodies at the other end of the supporting rod piece away, enabling the position of the anode body to rise, enabling the position of the reference electrode to fall, and adjusting the anode body and the reference electrode to be at the position suitable for the water level of the ship body;
s3: potential signals measured by the reference electrode are transmitted to the acquisition module, and after calculation and comparison processing by the main control chip, if the potential is higher than the optimal protection value, the current is released through the anode body electrode, so that the potential of the ballast tank is reduced and maintained within the optimal protection value;
s4: after the ship body continuously works for a period of time or according to the change of the water level of the ship body, the positions of the anode body and the reference electrode are changed again, a potential signal measured by the reference electrode is transmitted to the acquisition module, and current is released through the anode body;
s5: when the anode body needs to be replaced, the connecting rod is continuously rotated until the end, connected with the anode body, of the supporting rod piece rotates upwards, the anode body moves out of the water surface, and the anode body can be replaced.
Compared with the prior art, the invention has the beneficial effects that:
1. the ship body impressed current cathodic protection device and the method capable of adjusting the protection potential are provided with the connecting rod and the supporting assembly, the connecting rod is rotated to drive the threaded sleeve to move, one end of the supporting rod piece is driven to rotate, so that the anode body arranged at the other end of the supporting rod piece moves, the anode body is fixed through the supporting rod piece, the height and the interval of the anode body can be adjusted according to needs, the protection area of a ship body can be changed, and the flexibility is high;
2. the hull impressed current cathodic protection device and the hull impressed current cathodic protection method capable of adjusting the protection potential are provided with the reference electrodes, the two reference electrodes are separately arranged and are subjected to position adjustment along with the height of the connecting rod, potential signals measured by the reference electrodes are transmitted to the acquisition module, and after the main control chip calculates and compares the potential signals, if the potential is higher than the optimal protection value, the current is released through the anode body electrode, the potential of a ballast tank is reduced and maintained in the optimal protection value, and the measurement and control precision of the hull potential can be improved;
3. according to the hull impressed current cathodic protection device and method capable of adjusting the protection potential, the connecting rod is fixed in position through the first fixing piece, the rotating rod is rotated to drive the threaded rod to extend into and extend out of the rotating groove, the distance between the fixing ring and the fixing block is adjusted, the position adjustment of the connecting rod is controlled, and the device is convenient to use;
4. the invention provides a ship hull impressed current cathodic protection device and method capable of adjusting protection potential.A support spring is arranged between support rod pieces, when a moving block is far away, the angle between the support rod pieces is increased, and under the action of the support spring, the support rod pieces freely adjust the inclination angle according to the curvature of the outer surface of a ship hull;
5. according to the hull impressed current cathodic protection device and method capable of adjusting the protection potential, when the support rod rotates to the end connected with the anode body and rotates upwards, the anode body moves out of the water surface, the anode body can be replaced, and the anode body replacement difficulty is reduced.
Drawings
FIG. 1 is a view of the installation structure of the present invention;
FIG. 2 is a view showing a connecting rod connection structure of the present invention;
FIG. 3 is a structural view of a connecting rod of the present invention;
FIG. 4 is an exploded view of a first fastener of the present invention;
FIG. 5 is a structural view of the support assembly of the present invention;
FIG. 6 is an enlarged view of the invention at A;
FIG. 7 is a diagram of a moving block of the present invention;
FIG. 8 is a structural view of the anode-changing body of the present invention;
fig. 9 is a block diagram of a controller module according to the present invention.
In the figure: 1. a connecting rod; 11. a reference electrode; 12. a rotating end portion; 13. a limiting end part; 2. a first fixing member; 21. a fixed block; 211. a rotating tank; 22. rotating the rod; 23. a fixing ring; 231. a threaded rod; 3. a support assembly; 31. a threaded sleeve; 311. an annular groove; 32. a moving block; 321. a movable hole; 322. a sliding ball; 33. a connecting ring; 34. a support spring; 35. supporting the rod member; 351. an arc-shaped chute; 352. a long waist groove; 36. a second fixing member; 4. an anode body; 5. a controller; 51. a main control chip; 52. an acquisition module; 53. a display module; 54. an alarm module; 55. a power supply module; 56. and a control module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the hull impressed current cathodic protection device capable of adjusting the protection potential comprises a connecting rod 1 and a controller 5, wherein a plurality of connecting rods 1 are arranged on a hull, the connecting rods 1 are distributed around the hull at equal intervals, so that the measurement and control precision of the hull potential can be improved, first fixing pieces 2 are sleeved at two ends of the connecting rod 1, a support assembly 3 is meshed on the connecting rod 1, a reference electrode 11 is arranged on the connecting rod 1, external threads are arranged outside the connecting rod 1, a rotating end part 12 is arranged at the upper end of the connecting rod 1, a limiting end part 13 is arranged at the lower end of the connecting rod 1, at least more than two support assemblies 3 are arranged on the connecting rod 1, the connecting rod 1 is controlled to rotate by the rotating end part 12, the limiting end part 13 can prevent the connecting rod 1 from being separated from the first fixing pieces 2, two reference electrodes 11 are arranged, one reference electrode 11 is arranged in the middle position of the connecting rod 1, the lower extreme of connecting rod 1 is provided with a reference electrode 11, and two reference electrodes 11 separately set up, can improve the measurement and the control accuracy of hull electric potential, and the inside of connecting rod 1 and support member 35 is provided with the logical groove of circuit for the cable passes through.
Referring to fig. 4, the first fixing member 2 includes a fixing block 21, a rotating rod 22 and a fixing ring 23, a rotating groove 211 is formed in one side of the fixing block 21, the rotating groove 211 is movably connected to one end of the rotating rod 22, a threaded hole is formed in the rotating rod 22, a threaded rod 231 is arranged on one side of the fixing ring 23, the threaded rod 231 is engaged with the threaded hole, the rotating rod 22 can be rotated to drive the threaded rod 231 to extend into and extend out of the rotating groove 211, the distance between the fixing ring 23 and the fixing block 21 is adjusted, and the fixing ring 23 in the upper position and the lower position is vertically arranged to adapt to a curved surface structure on the surface of the ship body.
Referring to fig. 5-8, the supporting assembly 3 includes a threaded sleeve 31, a moving block 32, a connecting ring 33, a supporting spring 34, a supporting rod member 35 and a second fixing member 36, the threaded sleeve 31 is engaged with the connecting rod 1, the connecting ring 33 is movably connected to the threaded sleeve 31, the supporting spring 34 is sleeved on one side of the connecting ring 33, the moving block 32 is fixedly connected to both ends of the supporting spring 34, the moving block 32 is sleeved with the connecting ring 33, the moving block 32 is movably connected to the threaded sleeve 31, the moving block 32 is movably connected to one end of the supporting rod member 35, the anode body 4 is disposed on the other end of the supporting rod member 35, the second fixing member 36 is movably connected to the supporting rod member 35, an annular groove 311 is formed in an outer wall of the threaded sleeve 31, the connecting ring 33 is movably sleeved in the annular groove 311, the connecting ring 33 can rotate and move in the annular groove 311, the moving block 32 is engaged with the annular groove 311, a moving hole 321 is formed in one side of the moving block 32, the movable hole 321 is sleeved with the connecting ring 33, the other side of the moving block 32 is provided with a sliding ball 322, the sliding ball 322 is movably connected with the support rod member 35, the moving block 32 can move on the connecting ring 33 through the movable hole 321, the support spring 34 plays a tensioning role, when the moving block 32 is far away, the angle between the support rod members 35 is increased, the anode body 4 at the tail end of the support rod member 35 is abutted against the hull, under the action of the support spring 34, the inclination angle of the support rod member 35 can be freely adjusted according to the curvature of the outer surface of the hull, one end of the support rod member 35 connected with the moving block 32 is provided with an arc chute 351, the arc chute 351 is clamped and connected with the sliding ball 322, the support rod member 35 is provided with a long waist groove 352, the long waist groove 352 is movably connected with the second fixing member 36, when the threaded sleeve 31 is at a moving position, the moving block 32 can be driven to move synchronously, one end of the support rod member 35 is at a moving position of the moving block 32, support member 35 takes place to rotate, arc spout 351 and smooth ball 322 are support member 35 rotation and provide the prerequisite, second mounting 36 includes the gag lever post, stiff end and spacing end are connected respectively to the both ends of gag lever post, the gag lever post runs through long waist groove 352, stiff end and hull fixed connection, under gag lever post and spacing end control, support member 35 can not break away from second mounting 36, when support member 35 is rotatory, also rotate around the gag lever post.
Referring to fig. 9, the controller 5 includes a main control chip 51, an acquisition module 52, a display module 53, an alarm module 54, a power supply module 55 and a control module 56, the main control chip 51 is respectively electrically connected to the acquisition module 52, the display module 53, the alarm module 54, the power supply module 55 and the control module 56, the acquisition module 52 is electrically connected to the reference electrode 11, the control module 56 is electrically connected to the anode body 4, the acquisition module 52 can be connected to a plurality of reference electrodes 11, the same control module 56 is connected to a plurality of anode bodies 4, each connecting rod 1 can be specially provided with one controller 5, the reference electrode 11 and the anode body 4 arranged on a single connecting rod 1 are individually controlled, the flexibility is high, one ship can also use one controller 5 to control a plurality of connecting rods 1, all connecting rods 1 on one ship are integrally controlled, the operation is convenient, the display module 53 is used for displaying the current value, the alarm module 54 is used for alarming when the current value is abnormal or the power supply fails.
In order to better show the implementation process of the hull impressed current cathodic protection device with the adjustable protection potential, the embodiment now provides a using method of the hull impressed current cathodic protection device with the adjustable protection potential, which comprises the following steps:
the method comprises the following steps: the position of the connecting rod 1 outside the hull is fixed through the first fixing part 2, so that the connecting rod 1 is vertically arranged, the rotating rod 22 is rotated to drive the threaded rod 231 to extend into and extend out of the rotating groove 211, the distance between the fixing ring 23 and the fixing block 21 is adjusted, the fixing rings 23 at the upper position and the lower position are vertically arranged, the connecting rod 1 connected with the fixing rings 23 is also vertically arranged, the position of the supporting rod 35 is fixed through the second fixing part 36, one end of the supporting rod 35, which is connected with the anode body 4, is attached to the hull, the acquisition module 52 is electrically connected with the reference electrode 11, and the control module 56 is electrically connected with the anode body 4;
step two: adjusting the positions of the reference electrode 11 and the anode body 4, rotating the connecting rod 1, moving the threaded sleeve 31 downwards along the connecting rod 1 under the limit of the supporting rod 35, driving one end of the supporting rod 35 to rotate by the threaded sleeve 31, pulling the distance between the anode bodies 4 at the other end of the supporting rod 35, raising the position of the anode body 4, lowering the position of the reference electrode 11, and adjusting the anode bodies 4 and the reference electrode 11 to the position suitable for the water level of the ship body;
step three: potential signals measured by the reference electrode 11 are transmitted to the acquisition module 52, and after calculation and comparison processing by the main control chip 51, if the potential is higher than the optimal protection value, current is released through the anode body 4, so that the potential of the ballast tank is reduced and maintained within the optimal protection value;
step four: after the water level of the ship body is continuously worked for a period of time or according to the change of the water level of the ship body, the positions of the anode body 4 and the reference electrode 11 are changed again, a potential signal measured by the reference electrode 11 is transmitted to the acquisition module 52, and current is released through the anode body 4;
step five: when the anode body 4 needs to be replaced, the connecting rod 1 is continuously rotated until the end of the supporting rod member 35 connected with the anode body 4 rotates upwards, the anode body 4 moves out of the water surface, and the anode body 4 can be replaced.
In summary, the following steps: the hull impressed current cathodic protection device capable of adjusting the protection potential is provided with the connecting rod 1 and the supporting component 3, the connecting rod 1 is rotated to drive the threaded sleeve 31 to move, one end of the supporting rod member 35 is driven to rotate, so that the anode body 4 arranged at the other end of the supporting rod member 35 moves, the anode body 4 is fixed through the supporting rod member 35, the height and the distance of the anode body 4 can be adjusted as required, the protection area of a hull can be changed, and the flexibility is high; the reference electrodes 11 are arranged, the two reference electrodes 11 are separately arranged, the position of the reference electrodes 11 is adjusted along with the height of the connecting rod 1, potential signals measured by the reference electrodes 11 are transmitted to the acquisition module 52, and after the main control chip 51 calculates and compares the potential signals, if the potential is higher than the optimal protection value, the current is released through the anode body 4, so that the potential of the ballast tank is reduced and maintained in the optimal protection value, and the measurement and control precision of the hull potential can be improved; the connecting rod 1 is fixed in position through the first fixing piece 2, the rotating rod 22 is rotated to drive the threaded rod 231 to extend into and extend out of the rotating groove 211, the distance between the fixing ring 23 and the fixing block 21 is adjusted, the position adjustment of the connecting rod 1 is controlled, and the use is convenient; supporting springs 34 are arranged between the supporting rod pieces 35, when the moving block 32 is far away, the angle between the supporting rod pieces 35 is increased, and under the action of the supporting springs 34, the supporting rod pieces 35 freely adjust the inclination angle according to the curvature of the outer surface of the hull; when the support rod member 35 rotates to the position where the end connected with the anode body 4 rotates upwards, the anode body 4 moves out of the water surface, the anode body 4 can be replaced, and the difficulty in replacing the anode body 4 is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. Hull impressed current cathodic protection device of adjustable protection potential, including connecting rod (1) and controller (5), its characterized in that: the two ends of the connecting rod (1) are sleeved with first fixing pieces (2), a supporting assembly (3) is meshed on the connecting rod (1), a reference electrode (11) is arranged on the connecting rod (1), the supporting assembly (3) comprises a threaded sleeve (31), a movable block (32), a connecting ring (33), a supporting spring (34), a supporting rod piece (35) and a second fixing piece (36), the threaded sleeve (31) is meshed with the connecting rod (1), the connecting ring (33) is movably connected on the threaded sleeve (31), the supporting spring (34) is sleeved on one side of the connecting ring (33), the movable block (32) is fixedly connected with the two ends of the supporting spring (34), the movable block (32) is sleeved with the connecting ring (33), the movable block (32) is movably connected with the threaded sleeve (31), the movable block (32) is movably connected with one end of the supporting rod piece (35), the other end of the supporting rod piece (35) is provided with an anode body (4), the support rod piece (35) is movably connected with a second fixing piece (36), the controller (5) comprises a main control chip (51), an acquisition module (52), a display module (53), an alarm module (54), a power supply module (55) and a control module (56), the main control chip (51) is respectively electrically connected with the acquisition module (52), the display module (53), the alarm module (54), the power supply module (55) and the control module (56), the acquisition module (52) is electrically connected with the reference electrode (11), and the control module (56) is electrically connected with the anode body (4).
2. An adjustable protection potential impressed current cathodic protection device for ship hulls as defined in claim 1 wherein: the connecting rod (1) is externally provided with an external thread, the upper end of the connecting rod (1) is provided with a rotating end part (12), the lower end of the connecting rod (1) is provided with a limiting end part (13), and the connecting rod (1) is provided with at least more than two supporting components (3).
3. An adjustable protection potential impressed current cathodic protection device for ship hulls as defined in claim 1 wherein: the number of the reference electrodes (11) is two, one reference electrode (11) is arranged in the middle of the connecting rod (1), and the other reference electrode (11) is arranged at the lower end of the connecting rod (1).
4. An adjustable protection potential impressed current cathodic protection device for ship hulls as defined in claim 1 wherein: first mounting (2) are including fixed block (21), rotary rod (22) and solid fixed ring (23), and swivelling chute (211) have been seted up to one side of fixed block (21), and swivelling chute (211) and the one end swing joint of rotary rod (22), the inside of rotary rod (22) sets up threaded hole, and one side of solid fixed ring (23) is provided with threaded rod (231), threaded rod (231) and screw hole meshing.
5. An adjustable protection potential impressed current cathodic protection device for ship hulls as defined in claim 1 wherein: an annular groove (311) is formed in the outer wall of the threaded sleeve (31), and a connecting ring (33) is movably sleeved in the annular groove (311).
6. An adjustable protection potential impressed current cathodic protection device for a ship hull as defined in claim 5 wherein: the moving block (32) is connected with the annular groove (311) in a clamping mode, a moving hole (321) is formed in one side of the moving block (32), the moving hole (321) is connected with the connecting ring (33) in a sleeved mode, a sliding ball (322) is arranged on the other side of the moving block (32), and the sliding ball (322) is movably connected with the supporting rod piece (35).
7. An adjustable protection potential impressed current cathodic protection device for a ship hull as defined in claim 6 wherein: one end of the support rod piece (35) connected with the moving block (32) is provided with an arc-shaped sliding groove (351), the arc-shaped sliding groove (351) is connected with the sliding ball (322) in a clamping mode, the support rod piece (35) is provided with a long waist groove (352), and the long waist groove (352) is movably connected with the second fixing piece (36).
8. An adjustable protection potential impressed current cathodic protection device for a ship hull as defined in claim 7 wherein: the second fixing piece (36) comprises a limiting rod, a fixing end and a limiting end, the fixing end and the limiting end are connected to the two ends of the limiting rod respectively, the limiting rod penetrates through the long waist groove (352), and the fixing end is fixedly connected with the hull.
9. An adjustable protection potential impressed current cathodic protection device for ship hulls as defined in claim 1 wherein: and a circuit through groove is formed in the connecting rod (1) and the supporting rod piece (35).
10. A method of using the adjustable protection potential hull impressed current cathodic protection device as defined in any one of claims 1-9, comprising the steps of:
s1: the position of the connecting rod (1) outside the hull is fixed through the first fixing piece (2), so that the connecting rod (1) is vertically arranged, the position of the supporting rod piece (35) is fixed through the second fixing piece (36), one end, connected with the anode body (4), of the supporting rod piece (35) is attached to the hull, the acquisition module (52) is electrically connected with the reference electrode (11), and the control module (56) is electrically connected with the anode body (4);
s2: adjusting the positions of a reference electrode (11) and an anode body (4), rotating a connecting rod (1), enabling a threaded sleeve (31) to move downwards along the connecting rod (1) under the limitation of a supporting rod piece (35), enabling the threaded sleeve (31) to drive one end of the supporting rod piece (35) to rotate, pulling apart the distance between the anode bodies (4) at the other end of the supporting rod piece (35), enabling the position of the anode body (4) to rise, enabling the position of the reference electrode (11) to fall, and adjusting the anode body (4) and the reference electrode (11) to be at the position suitable for the water level of a ship body;
s3: potential signals measured by the reference electrode (11) are transmitted to the acquisition module (52), and after calculation and comparison processing by the main control chip (51), if the potential is higher than the optimal protection value, current is released through the anode body (4), so that the potential of the ballast tank is reduced and maintained within the optimal protection value;
s4: after the water level of the ship body is continuously worked for a period of time or according to the change of the water level of the ship body, the positions of the anode body (4) and the reference electrode (11) are changed again, a potential signal measured by the reference electrode (11) is transmitted to the acquisition module (52), and current is released through the anode body (4);
s5: when the anode body (4) needs to be replaced, the connecting rod (1) is continuously rotated until the end, connected with the anode body (4), of the supporting rod piece (35) rotates upwards, the anode body (4) moves out of the water surface, and the anode body (4) can be replaced.
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