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Resistance changing agent for changing soil resistance

A technology of soil resistance and resistive agent, which is applied in the direction of conductive materials, circuits, electrical components, etc. dispersed in non-conductive inorganic materials, and can solve problems such as poor resistance reduction ability, change of soil resistivity, soil pollution, etc.

Inactive Publication Date: 2017-05-17
BEIJING SCI & TECH LLC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Based on the objective problems of the existing drag-reducing products in the field, such as poor drag-reducing ability, unsustainable effect, and soil pollution, the present invention provides a drag-changing agent with a new formula, which is a water-compatible Conductive composite powder preparation, mixed with water and poured around the grounding body, can penetrate into the soil around the grounding body, and then naturally precipitate as the flow force weakens, forming a tree-root-like soil conductive path, making the electrical conductivity of the soil around the grounding network greater than that of the grounding network. Ten-fold enhancement, by filling the gaps with high soil resistivity around the grounding body, the conductivity of the soil in a certain local area is increased, thereby changing the soil resistivity

Method used

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  • Resistance changing agent for changing soil resistance
  • Resistance changing agent for changing soil resistance
  • Resistance changing agent for changing soil resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-18

[0063] Embodiment 1-18. No. 1-18 resistance modifying agent of the present invention and its application effect

[0064] Embodiment 1-18 provides multiple specific formulations of the conductive anticorrosion coating described in the protection scope of the present invention, as shown in Table 1 below, in the table, each raw material component, the composite powder preparation of each raw material component, and water are all In parts by weight.

[0065]

[0066]

[0067] In all the above embodiments, the application steps of the resistance modifying agent include: selecting the soil area to be tested, and measuring the soil resistance of the area; after mixing the above-mentioned raw materials and components according to the corresponding weight ratio, Pour into the above soil area, and measure the soil resistance again after 24 hours;

[0068] The performance test method of described resistance changing agent is as follows:

[0069] When the resistance-modifying agen...

Embodiment 19

[0073] Example 19, using the resistance-modifying agent of the present invention to improve soil resistance

[0074] This embodiment provides a method for changing soil resistance, such as figure 1 shown, including the following steps:

[0075] Dig the trench; set up the grounding device; according to the soil type, select a resistance-modifying agent formula in Examples 1-18, mix all the raw materials to obtain a composite powder preparation, and fill and pour the composite powder preparation And / or scattered in the soil; backfill the soil after 24 hours; the grounding device can be the grounding pole 2 and / or the grounding module 3 .

[0076] Alternatively, after obtaining the composite powder preparation, mix 6-40 parts by weight of the above-mentioned composite powder preparation with 40-100 parts by weight of water, then perform the filling, pouring and / or spreading, and finally backfill the soil.

[0077]After 24-48 hours of filling the soil with resistance modifying a...

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Abstract

The invention provides a resistance changing agent for changing soil resistance. The resistance changing agent is characterized by comprising a composite powder preparation for electric conduction. The composite powder preparation comprises the following raw materials by weight: 5-15 parts of graphite, 1-10 parts of mineral glue, 1-10 parts of resin, 1-10 parts of conductive cement, 1-10 parts of metal powder and 1-6 parts of industrial salt. In soil resistance changing, the resistance changing agent further comprises water. Furthermore the weight ratio between the water and the composite powder preparation is 33-100:16-48. The resistance changing agent can be well kept in the clearances among soil, gravels and rocks for effectively enlarging a conductive range next to a grounding member, thereby sufficiently discharging lightning current to ground when lightning occurs. Furthermore the resistance changing agent has relatively high solidifiability and is not easily washed away by rainwater. The resistance changing agent is totally composed of natural mineral materials and causes no pollution to soil, crops and plants.

Description

technical field [0001] The invention belongs to the technical field of resistance reduction, and in particular relates to a resistance modification agent for changing soil resistance. Background technique [0002] Grounding is an important means to ensure the safety of electrical, communication, microelectronics and other equipment, buildings and personal safety. In order to ensure the normal operation of the power system and the safety of people and equipment, the electrical equipment in power plants and substations must be reliably grounded and have a low grounding resistance value. It is usually very difficult to extend the ground body and expand the ground grid to meet such high requirements. Ground resistance reducing agent is a kind of auxiliary material, which has been widely used in grounding engineering. Its performance of resistance reduction and corrosion inhibition is stable and the effect is good. It has been written into national standards and related industry...

Claims

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Application Information

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IPC IPC(8): H01B1/22H01B1/24H01B13/00H01R4/66
CPCH01B1/22H01B1/24H01B13/00H01R4/66
Inventor 曾华曾二睦
Owner BEIJING SCI & TECH LLC
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