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  • Your current location: home page > Pure copper ion grounding pole

    Pure copper ion grounding pole

    The galvanized steel grounding material is the grounding material used in China. Worldwide, the former Soviet Union, China and India mainly use galvanized steel as the main grounding material. Usually, galvanized steel such as round steel, flat steel, angle steel, and steel pipe is used. Its main features are convenient material extraction, low price, strong rigidity, easy construction and mature welding process. However, since the iron element is more active, it can electrochemically react with various ions in the ground, and electrons are lost, which is very likely to corrode or rust. Moreover, the corrosion of steel has serious pitting corrosion, so the service life of galvanized steel is 7 to 13 years, which cannot match the service life of the equipment for 30 years.

    The ion grounding electrode, also known as the electrolytic ion grounding system or the hollow grounding system, is a technological breakthrough with a small footprint, low construction difficulty, and long-lasting stability. This product is made of stainless steel and can be effectively maintained for a long time. Grounding resistance value and the age of the grounding device.



    brief introduction

    Its unique ion slow release technology and anti-corrosion performance make the grounding resistance reduction effect continuously improve and stabilize at the optimum value. It is suitable for different geological conditions, especially suitable for various high grounding requirements. The location has superior performance and price ratio. This product is widely used in the communication industry, power system, building system, military facilities, transportation systems, banking systems, computer systems, radio and television systems and other industries in the field of equipment, AC, DC work, security protection.

    The ion grounding system consists of an advanced slow-release grounding electrode (containing a reversible slow-release filler), an initiator, and a synergistic electrolytic ion filler. The surface of the electrode is a copper alloy to ensure the highest conductivity and long service life, and is equipped with two kinds of fillers inside and outside. The filler is a non-toxic compound and has no pollution to the environment. It has been experimentally proved that the direct cause of excessive soil resistivity is due to the lack of assisted conduction of free ions. The filler outside the grounding conductor is mainly composed of a material with strong water absorption, strong adsorption force and high cation exchange performance, with long-acting, low-resistance, anti-corrosion function, high expansion coefficient and no influence on temperature change, and high voltage resistance. A variety of chemical materials for impact are excipients. It is mainly used to solve the problems of humidity, ion generation content and corrosion protection around the grounding conductor, so that the conductor is tightly combined with the earth, thereby reducing the contact resistance between the electrode and the soil, improving the resistivity of the surrounding soil, and effectively enhancing the lightning conductance. Release ability. The inner filling material of the conductor contains a special ion-implant compound, which can fully absorb the moisture in the air. Through the deliquescence, the active ion is effectively released into the soil, and interacts with the water in the soil and the air to further promote the sustained release of the conductor and reduce the resistance and maintain the resistance for a long time. The compound inside the conductor gradually evolves into a colloidal transparent state with the extension of time. We use the conductive properties of the colloidal compounds to enable the entire system to be in an ion exchange state for a long period of time, thus forming an ideal electrolytic ion grounding system. The construction of the project is simple. When there is no construction condition outside, the indoor floor of the building can also be installed and used. The unipolar land area is only 0.1 square meters. The tolerance of the construction conditions is especially suitable for use in densely populated cities. . The additional cost of the project is small, the service life is long, and the grounding resistance will gradually decrease after the slow-release filler in the conductor is buried. The stable value will be reached within half a year to one year, and the sustained release process can be as long as 30 years. The products fully comply with the requirements of grounding equipment protection for international standards such as UL, NEC, ANS, IEC, and BS.

    System principle

    The grounding resistance of the grounding device usually consists of three parts.

    The first part: the resistance of the grounding body itself, usually the grounding electrode is made of metal, this part of the resistance only accounts for 1%~2% of the grounding resistance, which can be ignored;

    The second part: the grounding resistance of the grounding electrode and the soil contact part, which accounts for 20~60% of the grounding resistance in the general soil;

    The third part: the resistance of the current flowing through the grounding pole after flowing into the soil, which is determined by the soil resistivity.

    working principle

    1 slow release (ion) grounding electrode works

    The content of active ions in the soil is one of the factors affecting the grounding resistance. Many compounds containing active electrolytic ions in the soil are rare, and the simple grounding body will not meet the grounding requirements. After experimental comparison, a reversible slow release filler was added to the ground electrode. This filler has the characteristics of water absorption, water release and reversibility. This reversible reaction effectively ensures the effective temperature of the environment inside the shell and ensures the stability of the grounding resistance. The filler has no toxic and side effects, and has a good effect in both ion generation and corrosion prevention of copper alloy in the long-term cooperation with the metal electrode. After the ions generated in this way absorb the moisture of the earth, the active electrolytic ions can be effectively released into the surrounding soil by deliquescence, so that the grounding electrode becomes an ion generating device, thereby improving the surrounding soil quality and achieving the grounding requirement.

    2 initiator and synergistic electrolytic ion filler working principle

    The chemical treatment of the shell soil is produced by the interaction of the initiator with the synergistic electrolytic ion filler, and the resistivity of the shell soil is reduced. At the same time, a transition zone is formed between the slow-release grounding electrode and the earth soil. The chemical substance selection and chemical composition are as follows:

    (1) As a carrier connecting the grounding electrode and the earth, it has the characteristics of good expansion and strong affinity, which increases the equivalent cross-sectional area of the grounding electrode and the contact area of the soil;

    (2) Good adsorption performance, eliminating the contact resistance between the grounding electrode and the soil, and improving the electric field distribution in the ground;

    (3) Good permeability, deep into the soil and rock joints, forming a tree root network, increasing the discharge area in the ground;

    (4) absorb moisture, maintain the balance within the water in the shell, and not lose;

    (5) After ion current is passed, no ionization occurs;

    (6) Protect the grounding electrode from all kinds of corrosion and intrusion in the soil, and have anti-corrosion effect on the electrode;

    (7) The unique negative resistance characteristic reduces the potential distribution gradient between the ground surface devices when the grounding body is instantaneously discharged, which improves the safety protection and reliability for people, equipment and facilities;

    (8) Non-toxic, side effects.

    Through the joint action of the slow-release grounding electrode and the synergistic electrolytic ion filler, a shell inner environment is formed, and the internal and external fusion of the inner environment gradually spreads around, and the chemical treatment of the shell soil is completed. Thereby effectively solving many problems in the grounding technology and becoming a good technical alternative.

    Ion ground rod construction instructions

    1 drilling

    Drill holes of ф155mmX3155mm vertical ground at the selected construction site.

    2 preparation of filler

    50KG fresh water was placed in a container having a volume of more than 150 L, an initiator was added, stirred until all dissolved, and a synergistic ionic filler was added, and the mixture was stirred until it was a paste.

    3 implanted grounding pole

    Disassemble the sealing tape at both ends of the grounding electrode, fill the bottom of the hole with 1:4 prepared filler, and place the grounding electrode into the hole. The top of the grounding pole is parallel to the ground plane. The grounding lead wire fills the remaining filler in the grounding. The pole is around 100mm from the top of the grounding pole. Cover the protective cap, measure the grounding resistance, and cover the top of the protective cap with soil. The top of the cap is 100mm above the ground.

    Installation method

    Horizontal installation vertical installation

    Precautions

    The drilling hole should not be larger than 155mm to avoid insufficient filling of the filler; when covering the protective cap, note that the vent hole on the rod should not be blocked by mud or filler, and the vent hole on the cap should not be blocked above the backfill. When a set of grounding poles does not meet the ground resistance requirements, two or more sets can be used in parallel, and the spacing between the rods and the rods should not be less than 5 m. The lead wire should be a 95mm2 multi-strand copper wire, and the lead wire and the grounding electrode are connected by exothermic welding.

    The installed ion ground rod electrodes are connected by bare copper cables to form a main ring, and the connection points are exothermicly welded. Repeat steps 1 through 5 for the installation of other electrolytic ion grounding poles. After the installation is completed according to the above steps, it can be put into use.

    Note: The down conductor of the lightning rod must be directly connected to the grounding main ring of the grounding system. The grounding wire of other equipment is required to be connected to the grounding main busbar.

    Ground rod accessory material

    1 bag of initiator, 1 bag of synergistic ionic filler, 1 protective cap

    Design reference for ion ground rod:

    1. ≈2R

    Where ρ is the average resistivity of the soil

    R is the grounding resistance of the local network

    S is the area of the existing joint network

    2. n ≈ 0.0275 * ρ / R-0.4

    Where n is the number of required grounding electrodes

    ρ is the soil resistivity

    R is the maximum value of the grounding resistance

    Soil resistivity ρ 100Ωom 200Ωom 500Ωom 1000Ωom 1500Ωom

    installation

    Quantity 1 set 7.36Ω 10.41Ω 26.03Ω 36.79Ω 37.42Ω

    2 sets 3.91Ω 5.54Ω 13.85Ω 19.57Ω 19.90Ω

    3 sets 2.70Ω 3.81Ω 9.53Ω 13.48Ω 13.71Ω

    4 sets 2.11Ω 2.99Ω 7.48Ω 10.57Ω 10.75Ω

    5 sets 1.69Ω 2.39Ω 5.98Ω 8.46Ω 8.60Ω

    10 sets 0.97Ω 1.37Ω 3.34Ω 4.72Ω 4.80Ω

    20 sets 0.52Ω 0.73Ω 1.71Ω 2.24Ω 2.46Ω


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