Sacrificial anode service performance monitoring and failure risk early warning system in ocean back-silting environment

A sacrificial anode and risk early warning technology, applied in the field of cathodic protection, can solve the problems of heavy workload, failure risk early warning, time-consuming and labor-intensive problems, and achieve the effect of guaranteed effect and life, wide application range, and comprehensive monitoring parameters

Active Publication Date: 2021-09-03
TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, after the sacrificial anode is covered by sea mud, the traditional diving inspection needs to be excavated before it can be carried out.
At the same time, there is discontinuity in time in diving detection, which may easily lead to untimely early warning of failure risk
The monitoring technology of the sacrificial anode and its protective effect mainly monitors the current generated by the sacrificial anode or the protection potential of the steel structure (such as the technical solutions disclosed in Chinese patents CN100585010C and CN211284550U), which cannot reflect the changes in the environmental parameters of the sacrificial anode, and it is difficult to realize the back-silting environment Early warning of sacrificial anode failure risk

Method used

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  • Sacrificial anode service performance monitoring and failure risk early warning system in ocean back-silting environment
  • Sacrificial anode service performance monitoring and failure risk early warning system in ocean back-silting environment
  • Sacrificial anode service performance monitoring and failure risk early warning system in ocean back-silting environment

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Experimental program
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Embodiment 1

[0036] refer to figure 1 , is a schematic diagram of a sacrificial anode service performance monitoring and failure risk early warning system in a marine back-silting environment, which includes a sensor subsystem A, a data acquisition subsystem B, a data storage and transmission subsystem C, and a monitoring center D.

[0037] Sensor subsystem A includes single or multiple sensor groups 1, data acquisition subsystem B includes current acquisition module 3, voltage acquisition module 4, electrochemical test module 5, environmental parameter acquisition module 6, data storage and transmission subsystem C includes data storage Module 9 and communication module 10; through the wiring module 8, the sensor subsystem A is connected to the data acquisition subsystem B, the data acquisition subsystem B is connected to the data storage transmission subsystem C, and the power supply module 7 is connected to the data acquisition module B and the data storage transmission sub-system Syste...

Embodiment 2

[0056] Implementation method of sacrificial anode service performance monitoring and failure risk warning system in marine back-silting environment:

[0057] (1) Assemble and fix the sensor group 1 and the wire protection tube 31 with clamps, lay the wire 32 in the wire protection tube 31 for wiring, and do a good job of sealing protection;

[0058] (2) The combination of the assembled sensor group and the wire protection tube 31 is welded and fixed on the protected steel structure 29 through the welding leg 33;

[0059] (3) The wire 32 of the sensor subsystem A is connected with each module of the data acquisition subsystem B through the wiring module 8;

[0060] (4) Data acquisition subsystem B is connected with each module of data storage transmission subsystem C;

[0061] (5) Implement sacrificial anode service performance monitoring and failure risk warning through the whole system. The data acquisition subsystem regularly sends acquisition instructions to the sensor su...

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Abstract

The invention discloses a sacrificial anode service performance monitoring and failure risk early warning system in an ocean back-silting environment. The sacrificial anode service performance monitoring and failure risk early warning system comprises a sensor subsystem, a data acquisition subsystem, a data storage and transmission subsystem and a power supply module. The sensor subsystem comprises N sensor groups, each sensor group comprises a galvanic couple sensor, a protection current sensor, a corrosion sensor and an environmental parameter sensor which are arranged in a protection box, the N sensor groups are fixed on a wire protection pipe, the wire protection pipe is welded on a protected steel structure through a welding leg, a wire of each sensor group is led into the wire protection pipe and led upwards along the wire protection pipe to be connected into the data acquisition subsystem, the data acquisition subsystem is connected with the data storage and transmission subsystem, and the data storage and transmission subsystem is connected with a monitoring center in a wireless or wired mode. The device is used for monitoring the service performance and the environmental parameters of the sacrificial anode, early warning the failure risk of the sacrificial anode, and guaranteeing the service effect and the service life of cathode protection.

Description

technical field [0001] The invention belongs to the technical field of cathodic protection, and in particular relates to a sacrificial anode service performance monitoring and failure risk early warning system in marine back-silting environment. Background technique [0002] Aluminum alloy sacrificial anodes are widely used in cathodic protection of steel structures in marine environments due to their excellent performance. When aluminum alloy sacrificial anodes are used in back-silting marine environments (such as back-silting ports, back-silting cross-sea bridges, etc.), the back-silting will cause the sea mud level to rise gradually, and the sacrificial anodes that originally served in seawater are often destroyed by sea mud. Covering, passive service in sea mud environment. When laying submarine steel shell immersed tube tunnels and submarine pipelines, it needs to be excavated and backfilled on the seabed, and the sea mud will gradually silt to cover the tunnels, pipel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F13/22C23F13/06
CPCC23F13/22C23F13/06
Inventor 张文锋陈韬李云飞刘凯曹忠露李秋实杨太年马悦唐聪王峰
Owner TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG
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