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Huifeng Lightning Protection Equipment Co., Ltd. relies on leading technology, high-quality talents and domestic leading production and inspection equipment to continuously propose better resistance reducing agents, and has always focused on product quality and reputation, striving for excellence. , and can guarantee that the products will be shipped within the time negotiated by both parties, providing satisfactory services, high-quality products and perfect after-sales services to the demand groups. Resistance reducing agent_Copy/>
When choosing a resistance reducing agent, you should pay attention to the following indicators when choosing to use a resistance reducing agent
Resistance reducing agent
It is a good conductor, use it Between the grounding body and the soil, on the one hand, it can be in close contact with the metal grounding body, forming a large enough current flow surface; on the other hand, it can penetrate into the surrounding soil, reduce the resistivity of the surrounding soil, and form a gentle change around the grounding body. Low resistance area. The resistance reducing agent can reduce the construction workload and reduce the need for grounding. In particular, horizontal grounding can be used to replace vertical grounding that is difficult to construct in mountainous and rocky areas. It is easy to construct, can solve the difficulty of limited construction sites, can save a lot of metal materials, has long-term effectiveness and stability, and has good anti-corrosion performance. Less affected by climate. The overall technical and economic performance is good.
The resistivity of the resistance reducing agent
To obtain the ideal resistance reducing effect, first of all, the resistivity value of the resistance reducing agent itself must be small. When choosing a resistance reducing agent, the first thing users should consider is the nominal resistivity of the resistance reducing agent itself. Generally speaking, the smaller the nominal resistivity of the resistance reducing agent itself, the better.
The corrosion rate of the resistance reducing agent on the steel grounding body is low. Some resistance reducing agents have a corrosive effect on the steel grounding body, but there are also some resistance reducing agents that have a corrosive effect on the steel grounding body. Has anti-corrosion protection. Whether the resistance reducing agent has an anti-corrosion effect generally depends on whether the average annual corrosion rate of the steel grounding body is lower than the corrosion rate of the local soil on the steel grounding body. Generally, the average annual corrosion rate of the soil on the steel grounding body is ~ /Round steel is ~/. If the corrosion rate of the resistance-reducing agent to the steel grounding body is lower than the corrosion rate of the local soil to the steel grounding body, the resistance-reducing agent is considered to have an anti-corrosion effect on the steel grounding body; otherwise, it is considered to have a corrosive effect.
The stability and long-term effectiveness of resistance reducing agents
We hope that the grounding resistance of the grounding device has always been stable below a certain value and do not want it to change frequently. However, the resistance reducing effect of some resistance reducing agents It will change with the change of soil moisture. Especially some inorganic resistance reducing agents and ionic resistance reducing agents will precipitate granular crystals once there is lack of water and lose their conductive properties.
Whether it pollutes the environment, when choosing a resistance reducing agent, be sure to choose a non-polluting, non-toxic, and safe resistance reducing agent. For the resistance reducing agent, you should look at its components and check whether there is a test report from the environmental protection department. .
Whether it is convenient to use, whether the price is cheap, the use of resistance reducing agent, especially when used for grounding transmission line poles and towers in mountainous areas, should be easy to operate and the method should be simple. Finally, it is the price that matters, and a comprehensive technical and economic analysis must be done. , which not only meets the performance requirements, but also needs to be reasonably priced and economical resistance reducing agent_Copy/>
Huifeng Lightning Protection Equipment Co., Ltd.
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Sales Manager Qu Yanling Posted by Meng Peipei
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