Reinforced concrete cathode protection system and method

A reinforced concrete and cathodic protection technology, which is applied in the field of reinforced concrete cathodic protection system and its protection, can solve the problems of low anode cladding strength, low current density, high engineering cost, etc., and achieve significant economic benefits, application prospects, and excellent electrical conductivity performance, low power consumption

Inactive Publication Date: 2017-09-15
SHANGHAI CONSTRUCTION GROUP +3
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Problems solved by technology

The mixture anode of hot asphalt and coke scraps is fragile, resulting in low anode coating strength and poor wear resistance; graphite powder conductive polymer cement anode makes up for the shortage of anode mixture of hot pitch and coke scraps, but due to the occurrence of anode wire The acidification reaction will cause corrosion of the ce...

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  • Reinforced concrete cathode protection system and method
  • Reinforced concrete cathode protection system and method
  • Reinforced concrete cathode protection system and method

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Embodiment Construction

[0030] The reinforced concrete cathodic protection system and its protection method proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0031] see figure 1 , the present embodiment discloses a cathodic protection system for reinforced concrete, including steel bar 5, concrete 6, titanium mesh 3, graphene / carbon fiber cement-based material 4 and power supply 1, wherein the steel bar 5 is connected to the power supply through a wire 2 The negative electrode of 1 is used as a cathode; the pore solution of the concrete is used as an electrolyte; the positive elec...

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Abstract

The invention discloses a reinforced concrete cathode protection system and method. The reinforced concrete cathode protection system comprises reinforcing steel bars, concrete, a titanium net, a graphene/carbon fiber cement base material and a power source. The reinforcing bars are connected with the negative electrode of the power source to serve as cathodes; a hole solution of the concrete serves as an electrolyte; the titanium net is connected with the positive electrode of the power source to serve as a main anode; the graphene/carbon fiber cement base material serves as an auxiliary anode; and the reinforcing bars, the concrete, the titanium net, the graphene/carbon fiber cement base material and the power source form a loop of the cathode protection system. The reinforced concrete cathode protection system is low in cost, low in energy consumption and durable, an existing cathode protection technology is improved and optimized, an economical and effective corrosion protection technology is provided for domestic large-amount and large-range chlorine salt corrosion engineering, and obvious economic benefits and application prospects are achieved.

Description

technical field [0001] The invention relates to the technical field of corrosion protection of large-scale industrial and civil construction projects, water conservancy projects, offshore and marine engineering structures, and in particular to a reinforced concrete cathodic protection system and a protection method thereof. Background technique [0002] Impressed current cathodic protection technology is one of the most effective protective measures for steel corrosion in concrete, saline-alkali soil and seawater environment. The cathodic protection technology for reinforced concrete with conventional impressed current has been applied in developed countries in Europe and America and in domestic projects. The most critical issue in reinforced concrete impressed current cathodic protection technology is the construction of the protection system. In the cathodic protection system, the material selection, preparation and structural design of the anode are the key points. For ...

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Application Information

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IPC IPC(8): C23F13/06
CPCC23F13/06
Inventor 左俊卿许永和吴德龙刘小艳徐晶周云徐俊史晓婉王圣怡
Owner SHANGHAI CONSTRUCTION GROUP
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