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Comparative analysis of ZYBY graphite lightning protection grounding body and similar products

Time:2022-08-13

At present, lightning protection grounding bodies in China are divided into two categories: metallic and non-metallic. Metal lightning protection grounding bodies have a long history and are widely used. The most widely used ones are galvanized steel products, followed by copper plated, pure copper, and alloy products with less usage; Non metallic grounding bodies are mainly products of resistance reduction modules. At present, there are about 100 million steel lightning protection grounding bodies in use in China, and about 40 million of them become ineffective and scrapped due to corrosion and rust every year. Updating these ineffective grounding bodies requires a cost of over 60 billion yuan, and 180000 acres of land will be requisitioned, resulting in a shortage of 108 million kilograms of grain production; Consuming 750000 tons of galvanized steel, 45000 tons of hydrochloric acid and nitric acid metal passivation solution, 225000 cubic meters of liquefied gas, and 375000 kWh of electricity; Discharge 30000 tons of toxic waste liquid and exhaust gas. Below, the editor from the flexible graphite grounding strip manufacturer will lead you to understand it together.

Flexible graphite grounding strip manufacturers have learned that tens of thousands of lightning accidents occur annually in China due to the increase in grounding resistance caused by unqualified grounding bodies, resulting in huge direct and indirect economic losses and affecting national economic construction and social development. With the development of society and the increasing variety and technological improvement of grounding electrode products, the defects gradually exposed in metal lightning protection grounding bodies and resistance reduction module products indicate that they are gradually unable to meet the increasingly high requirements of modern society for grounding bodies. In order to meet the needs of social development, our company has developed the YTJD series graphite lightning protection grounding body based on years of research experience, using high carbon graphite with strong conductivity and excellent chemical stability as raw material. This product is inert and not susceptible to strong acids, alkalis, organic solvents, or galvanic corrosion at room temperature. It does not rust, has stable resistance, is easy to process and shape, has a long service life, and is maintenance free and reliable. It can be widely used in acidic and alkaline soils, high and low resistance soils, as well as beaches, wetlands, tropical regions, and cold regions. It is not limited by environmental and climatic conditions, and the manufacturing process is energy-saving and emission reducing. The use of this product is more environmentally friendly, saving materials, funds, and land.

The manufacturer of flexible graphite grounding strips has learned that compared with metal products (such as copper-clad steel), YTJD graphite lightning protection grounding body can achieve resistance reduction effect at the beginning. However, over time, metal products will gradually rust. Once rust appears, the effect of galvanic corrosion will intensify the corrosion, leading to an increase in grounding resistance and a higher risk of accidents. Taking copper-clad steel grounding rods as an example, the performance characteristics are compared as follows:

(1) Copper clad steel grounding rod: 1. High manufacturing energy consumption, severe heavy metal pollution, and high greenhouse gas emissions; 2. Not corrosion-resistant and prone to rusting during use, resulting in unstable grounding resistance; 3. After rusting occurs during use, there is galvanic corrosion, which accelerates the corrosion rate; 4. Short service life (5-6 years), pollution to the environment and groundwater after rusting; 5. Difficulty in maintenance and repair, frequent updates and renovations, high costs, and waste of materials and land; 6. High terrain such as mountains and hills require vertical holes to be drilled underground during construction, which is difficult to carry out; 7. During construction, welding is required to increase the difficulty of construction, and the welding points are prone to corrosion and fracture; 8. Due to its high recycling value, the product is prone to theft.

(2) Graphite lightning protection grounding body: 1. The manufacturer of flexible graphite grounding strip understands that the manufacturing process is energy-saving, emission reducing, and pollution-free; 2. No rust, stable resistance, long service life; 3. It is inert and not susceptible to strong acids, strong bases, organic solvents, or galvanic corrosion at room temperature; 4. Long service life, wide application range, and usage not limited by environmental and climatic conditions; 5. Maintenance free, update free, saving materials, funds, and land; 6. Easy to process and shape, convenient on-site overlapping construction, and the product does not require passivation and anti-corrosion processes; 7. Construction does not require electrical welding, reducing construction costs, saving labor and time; 8. This product has no recycling value and fundamentally solves the problem of theft.

The common non-metallic products are drag reduction module products. It is equipped with galvanized grounding flat steel (steel pipe, round steel, angle steel), which is welded to the protected ground wire. Therefore, the effective contact area between the metal grounding body and the ground is greatly increased, and the resistance is reduced through the effect of moisture. The performance characteristics are compared as follows

(1) Grounding module products: 1. They are prone to breakage during transportation and installation, and require high storage conditions; 2. Large weight and volume, difficult to transport in mountainous and hilly areas, labor-intensive and time-consuming. 3. Vertical burial requires mechanical equipment, occupies a lot of farmland, high construction costs, long construction period. 4. Electrical welding is required during installation, making construction inconvenient; 5. Welding points are prone to rust and breakage, leading to an increase in grounding resistance and a short service life; 6. Suitable for soils with loose soil or high humidity; 8. The product is connected to a metal grounding body, which has recycling value and is prone to theft. 7. In acidic, alkaline and saline soils, rusting is extremely fast and easily scrapped;

(2) Graphite lightning protection grounding body: 1. Cable shaped, easy to process and shape, convenient for transportation and installation, no need for special environmental storage; 2. Lightweight, bendable, easy to construct, labor-saving and time-saving; 3. No need for large mechanical equipment, occupying less farmland, reducing construction costs and cycles; 4. Flexible graphite grounding strip manufacturers remind everyone that there is no need for electrical welding, and the construction is convenient; 5. Adopting the lap joint method, with no solder joints, corrosion-resistant, and long service life; 6. Suitable for various soil environments; 7. In acidic, alkaline, and saline soils, it is not corroded and has a long-lasting effect; 8. The product has no recycling value and fundamentally solves the problem of theft.