CN1062888C - Long service life, corrosion-proof, and electric resistance reducing agent for earthing - Google Patents
Long service life, corrosion-proof, and electric resistance reducing agent for earthing Download PDFInfo
- Publication number
- CN1062888C CN1062888C CN95115856A CN95115856A CN1062888C CN 1062888 C CN1062888 C CN 1062888C CN 95115856 A CN95115856 A CN 95115856A CN 95115856 A CN95115856 A CN 95115856A CN 1062888 C CN1062888 C CN 1062888C
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- reducing agent
- earthing
- oxide
- corrosion
- resistance reducing
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- Prevention Of Electric Corrosion (AREA)
Abstract
The present invention relates to pink (white) solid granular powder. The prepared by mixing sieving sodium base bentonite and potassium chloride. After the resistance reducing agent makes an impact current endurance test, a power frequency resistance variation rate is smaller than 6%. After the resistance reducing agent makes a power frequency current endurance test, the power frequency resistance variation rate is smaller than 10%. The resistivity characteristics of the resistance reducing agent are stable. The present invention is applied to and medium electric power earthing engineering and can effectively reduce earthing resistance, and the present invention supplies corrosion-proof protection to earthing metal. The present invention has the advantages of no poison, no environmental pollution, simple and convenient preparation, low cost and convenient use.
Description
The present invention relates to reduce the power equipment stake resistance, ground surface contact potential, the protection against corrosion of step voltage and ground connector.It is applied in the system of electric power, post and telecommunications communication, oil, railway, Highrise buildings, computer, telephone room and other employing ground net.
In order to reduce the stake resistance of power equipment, the ground connection that makes power equipment is in normal circumstances, and under accident conditions and the thunderbolt situation, the ground potential of power equipment installation place is fixed in allowed limits, to guarantee the safety of the person and equipment.Along with progress of science and technology and development, the main weak point that exists of China's chemical resistance-reducing agent CN 1059162A anti-corrosion agent for solid long-term-effective dropping resistance of having had bigger development to disclose is to fill a prescription too cumbersomely in recent years, and production cost is higher.
The objective of the invention is to avoid above-mentioned weak point of the prior art, and provide a kind of prepare easy, resistance-reducing performance is good, excellent in durability, cost are more cheap, on-the-spot long service life, corrosion-proof, and electric resistance reducing agent for earthing easy to use.
The inventor typically does desert high soil resistivity reality early in conjunction with Xinjiang, makes full use of Xinjiang local resource advantage, and repeated tests proposes the concrete technical scheme of following the invention.
Long service life, corrosion-proof, and electric resistance reducing agent for earthing is made up of sodium bentonite and Repone K, and the weight percent of its each component is:
Sodium bentonite 95-99% Repone K 1-5%
Contain silicon oxide in the sodium bentonite, titanium oxide, ferric oxide, aluminum oxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, iron protoxide.
Weight percent content in the sodium bentonite is as shown in table 1.Table 1
| Composition | Silicon oxide | Titanium oxide | Ferric oxide | Aluminum oxide | Calcium oxide |
| Content (%) | 50-60 | 0.5-2 | 2-9 | 10-20 | 2-6 |
| Composition | Magnesium oxide | Potassium oxide | Sodium oxide | Iron protoxide | |
| Content (%) | 2-5 | 0.5-5 | 1-5 | 0.1-1 |
The effect of each composition is respectively: silicon oxide has extremely strong suction, water retention capacity, be mainly used in and store ionogen and moisture content, and has very high expansion character, can make come down to a lower group agent tightly wrap the metal ground connector, starvation is to the intrusion of ground connector, thereby play the unpolarizing that stops oxygen, weakened corrosion of metal; Titanium oxide can also keep the stability of friction reducer except that possessing electric action; Sodium oxide, oxidation first, magnesium oxide are active metal oxide and Repone K has good conductivity together, can greatly reduce the industrial frequency electric resistance rate.Stable performance under the high current density effect, and ground connector played the anodic protection effect; Calcium oxide, ferric oxide, aluminum oxide have stronger water absorbability, form the jelly of crystalloid or crystallization defective mode, in the expansion that takes place under water and other material effect between crystal, volume is increased, enlarge the contact surface of ground connector and the earth, improved the compaction rate that ground connector contacts with the earth, Gu and stake resistance reduced, the colloid of its formation can prevent the evaporation of moisture content and the loss of conducting material simultaneously, and this is to keep long lasting major reason.
Long service life, corrosion-proof, and electric resistance reducing agent for earthing is a kind of pink (or white) solid particulate sprills.Tasteless, nontoxic, environmentally safe, resistance reducing effect is remarkable, and the metal ground connector is played the corrosionproof protection effect, and electrical resistivity property is stable under power frequency heavy impulse current effect repeatedly.
The inventor entrusts Wuhan Inst. of High Voltage, Ministry of Electric Power to the long service life, corrosion-proof, and electric resistance reducing agent for earthing property advanced heavy impulse current resistance test.The power current resistance test, friction reducer is tested steel ground connector corrosion test etc., and all indexs all meet the Electricity Department standard, shown in test subject summary table 2.
Grounded resistance reducing agent test subject summary sheet 2
The present invention compares its every technical parameter and all meets national technical standard with domestic like product.Resistivity 0.8 Europe rice, and also have with current density and increase the advantageous feature that reduces, electrical resistivity property is stablized under repeatedly power frequency and heavy impulse current effect.Its resistance-reducing yield can reach 50-80%.Metal is separated terrain can play the corrosionproof protection effect, corrosion speed can be reduced to 0.0382 millimeter/year, prepares easy, with low cost, easy to use.
The invention will be further described below in conjunction with embodiment:
The preparation of long service life, corrosion-proof, and electric resistance reducing agent for earthing selects component content to meet behind the sodium bentonite pulverising mill powder of table 1 ratio and the Repone K thorough mixing is mixed well and got final product.It can use to do and apply and the soak method general main use soak method.Prepare a bulk of iron sheet at the construction field (site), friction reducer is added water on lift with iron and stir, around the ground connector that then friction reducer is laid in, its construction technology is the same with ready-mixed concrete easy.
The prescription of the embodiment of the invention, component content meet the sodium bentonite 98% of table 1 ratio, Repone K 2%.
The major ingredient of sodium bentonite, content table 3 as shown in table 3
| Composition | Silicon oxide | Titanium oxide | Ferric oxide | Aluminum oxide | Calcium oxide |
| Content (%) | 55 | 0.8 | 5.9 | 16.5 | 4.5 |
| Composition | Magnesium oxide | Potassium oxide | Sodium oxide | Iron protoxide | |
| Content (%) | 3.7 | 1.6 | 2.8 | 0.12 |
Claims (2)
1, a kind of long service life, corrosion-proof, and electric resistance reducing agent for earthing is characterized in that it is made up of sodium bentonite and Repone K, and wherein sodium bentonite is 95-99%, and Repone K is 1-5%, and the weight percent content in the sodium bentonite is:
Silicon oxide 50-60% titanium oxide 0.5-2% ferric oxide 2-9%
Aluminum oxide 10-20% calcium oxide 2-6% magnesium oxide 2-5%
Potassium oxide 0.5-5% sodium oxide 1-5% iron protoxide 0.1-1%.
2, a kind of long service life, corrosion-proof, and electric resistance reducing agent for earthing according to claim 1 is characterized in that it is a kind of pink (or white) solid particulate sprills, and is tasteless, nontoxic, pollution-free.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95115856A CN1062888C (en) | 1995-09-02 | 1995-09-02 | Long service life, corrosion-proof, and electric resistance reducing agent for earthing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95115856A CN1062888C (en) | 1995-09-02 | 1995-09-02 | Long service life, corrosion-proof, and electric resistance reducing agent for earthing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1128786A CN1128786A (en) | 1996-08-14 |
| CN1062888C true CN1062888C (en) | 2001-03-07 |
Family
ID=5080682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95115856A Expired - Fee Related CN1062888C (en) | 1995-09-02 | 1995-09-02 | Long service life, corrosion-proof, and electric resistance reducing agent for earthing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1062888C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882477B (en) * | 2010-06-25 | 2012-05-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Long-acting antiseptic resistance-reducing agent |
| CN104103334A (en) * | 2014-06-19 | 2014-10-15 | 国家电网公司 | Novel high-efficiency anti-corrosive physical resistance reducing agent for galvanized steel grounding grid |
| CN104449560B (en) * | 2014-11-18 | 2016-09-28 | 国网河南省电力公司漯河供电公司 | A kind of grounding device preservative based on environment-friendly long-life and preparation method |
| CN105225769B (en) * | 2015-10-14 | 2017-03-08 | 南昌航空大学 | A kind of basic soil preparation method of grounded screen physics friction reducer |
| CN105820057B (en) * | 2016-04-22 | 2017-09-29 | 上海应用技术学院 | A kind of method for preparing Metoprolol |
| CN106654616B (en) * | 2016-10-07 | 2018-11-30 | 东阳市特意新材料科技有限公司 | A kind of preparation method of corrosion-resistant earthing material |
| CN109135714A (en) * | 2018-09-17 | 2019-01-04 | 佛山市禅城区诺高环保科技有限公司 | A kind of preparation method of long-acting antiseptic resistance-reducing agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059162A (en) * | 1990-08-24 | 1992-03-04 | 甘肃省电力设计院 | Anti-corrosion agent for solid long-term-effective dropping resistance |
-
1995
- 1995-09-02 CN CN95115856A patent/CN1062888C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059162A (en) * | 1990-08-24 | 1992-03-04 | 甘肃省电力设计院 | Anti-corrosion agent for solid long-term-effective dropping resistance |
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| Publication number | Publication date |
|---|---|
| CN1128786A (en) | 1996-08-14 |
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