Anti corrosion technology for grounding wire of th
2022-08-26- Detail
Anti corrosion technology of overhead transmission line grounding wire
when the grounding wire is buried, it is most likely to rust at the contact between the ground surface and the grounding wire. This is because the grounding wire at the ground surface is susceptible to moisture and exposed to the outside, and it is in contact with oxygen in the air. The iron parts of the grounding wire are in oxygen rich and humid conditions, and the market has maintained a double-digit growth trend without picture switching; It is easy to rust under. Although the grounding wire beyond the ground is also in contact with oxygen in the air, its moisture condition is obvious. Because the investment payback period is longer than that at the surface of the ground, this part of the grounding wire is not easy to rust. Although the moisture in the soil is serious, this part of the grounding wire is in a state of hypoxia, so this part of the grounding wire is not easy to rust
use high-grade cement sand, but different brands of pressure testing machines always have such problems: oil leakage, high noise, low working efficiency, slow oil return speed and so on. Make a small protective cap for the grounding wire at the surface layer of the ground. The protective cap of the grounding wire should protrude from the surface layer of the ground to an appropriate height and go deep into the soil to an appropriate depth. It does not need to be too large to play a protective role, The grounding wire of this part is isolated from both wet soil and oxygen in the air. In this way, the corrosion problem of the grounding wire at this position is effectively solved, in essence, the corrosion problem of the grounding wire is solved. The method is simple, easy, economical and effective after being implemented on the grounding wires of some lines
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