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CN-121992414-A - Electrode structure of ocean platform impressed current cathodic protection system

CN121992414ACN 121992414 ACN121992414 ACN 121992414ACN-121992414-A

Abstract

The invention discloses an electrode structure of an impressed current cathodic protection system of an ocean platform, which relates to the technical field of electrode structures and comprises at least two bases, a moving assembly, a sinking rod and an electrode assembly, wherein the bottoms of the bases are provided with mounting ends, guide rods are commonly mounted on the two mounting ends, the moving assembly is movably arranged on the guide rods along the length direction of the guide rods, one end of the sinking rod is connected with the moving assembly, the other end of the sinking rod extends into sea water, the electrode assembly is hinged to one end of the sinking rod, which is far away from the moving assembly, and the position of the electrode assembly can be adjusted within a certain range so as to adapt to protection requirements of different areas.

Inventors

  • TAN HUI

Assignees

  • 上海威逊沃顿科技有限公司

Dates

Publication Date
20260508
Application Date
20260312

Claims (8)

  1. 1. An electrode structure of an ocean platform impressed current cathodic protection system, comprising: The device comprises at least two bases (1), wherein the bottoms of the bases (1) are provided with mounting ends, and guide rods (2) are commonly mounted on the two mounting ends; A moving assembly (3) movably arranged on the guide rod (2) along the length direction of the guide rod (2); A sinking rod (4) with one end connected to the moving assembly (3) and the other end extending into the sea water; and an electrode assembly (5) hinged to one end of the sinking bar (4) away from the moving assembly (3).
  2. 2. The electrode structure of the ocean platform impressed current cathodic protection system of claim 1, wherein the height of the installation end is adjustable so that the guide rod (2) is horizontal or inclined, the electrode assembly (5) is driven to move by the moving assembly (3) when the guide rod (2) is horizontal, and the electrode assembly (5) is driven to move by self-swinging of the electrode assembly (5) and gravity guiding provided by the inclined guide rod (2) when the guide rod (2) is inclined.
  3. 3. An electrode structure of an ocean platform impressed current cathodic protection system according to claim 1, characterized in that said moving assembly (3) comprises: the movable seat (31) is sleeved outside the guide rod (2); a plurality of creeper modules circumferentially spaced along the guide bar (2), the creeper modules comprising: A telescopic device (33) fixed in the movable seat (31), wherein the telescopic device (33) is provided with a telescopic end extending along the radial direction of the guide rod (2); an elastic member (34) connected to the telescoping end; A crawler wheel (32) connected to the elastic member (34) by a connecting member (35); The expansion device (33) adjusts the expansion amount of the expansion end based on the swing amplitude of the electrode assembly (5), the larger the swing amplitude of the electrode assembly (5) is, the larger the expansion amount of the expansion end is, the smaller the swing amplitude of the electrode assembly (5) is, and the smaller the expansion amount of the expansion end is.
  4. 4. An electrode structure of an ocean platform impressed current cathodic protection system according to claim 1, characterized in that said electrode assembly (5) comprises: a swinging member (51) hinged to the bottom of the sinking bar (4) along a first direction parallel to the length direction of the guide bar (2); an outer frame (52) hinged to the bottom of the swing member (51) along a second direction perpendicular to the first direction; And a cable (54) fixed to the outer frame (52) and connected to an electrode rod (59) via a conductive plate (57).
  5. 5. The electrode structure of the ocean platform impressed current cathodic protection system of claim 4 wherein the outside of said conductive plate (57) is sleeved with a mounting cylinder (56), the top of said mounting cylinder (56) is connected with an adjusting cylinder (53), the bottom is connected with a connecting cylinder (58), said cable (54) passes through said adjusting cylinder (53) in a sealing way to connect with said conductive plate (57), said electrode rod (59) passes through said connecting cylinder (58) in a sealing way to connect with said conductive plate (57).
  6. 6. The electrode structure of the ocean platform impressed current cathodic protection system of claim 5, wherein the regulating cylinder (53) is provided with an intelligent sensor and a pumping pump (55), the intelligent sensor is used for acquiring sea wave information and regulating the pumping pump (55) based on the sea wave information so as to regulate the sea water amount in the regulating cylinder (53), and the sea wave is larger, the sea water amount in the regulating cylinder (53) is larger, the sea wave is smaller, and the sea water amount in the regulating cylinder (53) is smaller.
  7. 7. The electrode structure of an ocean platform impressed current cathodic protection system of claim 6 wherein said intelligent sensor is also used to measure the amplitude of oscillation of said electrode assembly (5).
  8. 8. The electrode structure of the ocean platform impressed current cathodic protection system of claim 5 wherein said outer frame (52) is further connected with a connecting ring (511) for mounting a protection tube (510), said protection tube (510) has a through hole on its surface, said protection tube (510) is sleeved outside said electrode rod (59).

Description

Electrode structure of ocean platform impressed current cathodic protection system Technical Field The invention relates to the technical field of electrode structures, in particular to an electrode structure of an impressed current cathodic protection system of an ocean platform. Background The ocean platform is a core facility of ocean engineering such as offshore oil gas development, offshore wind power and the like, is in a severe ocean environment for a long time, and is severely threatened by seawater corrosion. The impressed current cathodic protection technology is an effective electrochemical anticorrosion means, and the principle is that an external power supply is used for applying current to an auxiliary anode (electrode) immersed in seawater, so that the ocean platform structure becomes a cathode to be protected, and therefore, the reasonable arrangement and stable operation of the electrode are key factors for ensuring the cathodic protection effect. In the prior art, the electrodes of the impressed current cathodic protection system of the ocean platform are usually fixed in a mounting mode, namely, the electrodes are fixed at specific positions of the ocean platform through brackets or hanging frames. However, the fixed structure has the following defects that firstly, the position of an electrode is difficult to adjust after being fixed, the position of the electrode cannot be flexibly adjusted according to factors such as the change of the protection requirement of an ocean platform or the change of environmental conditions, and the like, so that the cathode protection effect is influenced, secondly, the electrode and the supporting structure are generally rigidly connected, under the continuous impact of ocean currents and waves, stress concentration and fatigue damage are easily generated at the connecting position, the service life of equipment is shortened, and thirdly, the protection potential is often unevenly distributed in a fixed protection mode. Therefore, it is necessary to provide an electrode structure of an ocean platform impressed current cathodic protection system to solve the above-mentioned problems. Disclosure of Invention In order to solve the problems, the invention provides the following technical scheme that the electrode structure of the impressed current cathodic protection system of the ocean platform comprises: The device comprises at least two bases, wherein the bottoms of the bases are provided with mounting ends, and guide rods are commonly mounted on the two mounting ends; a moving assembly movably disposed on the guide rod along a length direction of the guide rod; one end of the sinking rod is connected with the moving assembly, and the other end of the sinking rod extends into seawater; And the electrode assembly is hinged to one end of the sinking rod far away from the moving assembly. Further, preferably, the height of the mounting end is adjustable so that the guide rod is horizontal or inclined, when the guide rod is horizontal, the electrode assembly is driven to move by the moving assembly, and when the guide rod is inclined, the electrode assembly is driven to move by self-swinging of the electrode assembly and gravity guiding provided by the inclined guide rod. Further, preferably, the moving assembly includes: the movable seat is sleeved outside the guide rod; A plurality of creeper assemblies circumferentially spaced along the guide rods, the creeper assemblies including: the telescopic device is fixed in the movable seat and provided with a telescopic end extending along the radial direction of the guide rod; An elastic member connected to the telescopic end; the climbing wheel is connected to the elastic piece through a connecting piece; The expansion device adjusts the expansion amount of the expansion end based on the swing amplitude of the electrode assembly, the larger the swing amplitude of the electrode assembly is, the larger the expansion amount of the expansion end is, the smaller the swing amplitude of the electrode assembly is, and the smaller the expansion amount of the expansion end is. Further, preferably, the electrode assembly includes: the swinging piece is hinged to the bottom of the sinking rod along a first direction, and the first direction is parallel to the length direction of the guide rod; The outer frame is hinged to the bottom of the swinging piece along a second direction, and the second direction is perpendicular to the first direction; And the cable is fixed on the outer frame and is connected with an electrode rod through a conductive disc. Further, preferably, the outside of the conductive plate is sleeved with a mounting cylinder, the top of the mounting cylinder is communicated with an adjusting cylinder, the bottom of the mounting cylinder is communicated with a connecting cylinder, the cable passes through the adjusting cylinder in a sealing manner so as to be connected with the conductive plate, and the elec