CN102053043A - Field complete pollution level detection method for running composite insulator - Google Patents
Field complete pollution level detection method for running composite insulator Download PDFInfo
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- CN102053043A CN102053043A CN 201010564010 CN201010564010A CN102053043A CN 102053043 A CN102053043 A CN 102053043A CN 201010564010 CN201010564010 CN 201010564010 CN 201010564010 A CN201010564010 A CN 201010564010A CN 102053043 A CN102053043 A CN 102053043A
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Abstract
The invention relates to a field complete pollution level detection method for a running composite insulator. The method is simple; and by combining an inorganic solvent and an organic solvent and sampling twice, the surface of the insulator can be cleaned, and the measurement accuracy is ensured. The method comprises the following steps of: (1) scrubbing pollutants to a polluted liquid storage from the upper and lower surfaces of the insulator by adopting distilled water or deionized water, and then measuring the equivalent salt density of the insulator; (2) filtering the polluted liquid in the step 1, drying, weighing, and calculating washing ash density; (3) scrubbing insoluble and water-insoluble substances to the polluted liquid storage from the upper and lower surfaces of the washed insulator by adopting alcohol and using absorbent cotton, filtering the polluted liquid, drying, weighing, and calculating the alcohol cleaning ash density of the surface of the insulator; and (4) adding the washing ash density and the alcohol cleaning ash density to obtain complete ash density of the surface of the insulator.
Description
Technical field
The present invention relates to the on-the-spot complete method for detecting pollution grade of a kind of operation composite insulator, belong to the transmission line of electricity operation and detect category.
Background technology
Situation is gathered in the filth of compound inslation sub-surface has crucial influence to its overall performance, it has determined the resistant of composite insulator to dodge performance on the one hand, it directly influences the generation and the development of material aging phenomenons such as composite insulator creepage trace and galvanic corrosion damage on the other hand, is one of important indicator of reflection composite insulator runnability.
At present, also be not specifically designed to unified approach and standard that the on-the-spot filthy degree of composite insulator detects both at home and abroad, just carry out the measurement of on-the-spot filthy degree with reference to the detection method of porcelain and glass insulator.
Composite insulator is under the self-cleaning action of rain-out and wind, the full skirt surface can stay the obstinate pollution layer of the more outmoded densification that is insoluble in water, be difficult for being fallen by rain-out, the siloxane of silicon rubber is constantly to external migration simultaneously, the two is closely linked, these dunghills under water is difficult to clean on the full skirt.These dunghills are influential to the animal migration of composite insulator hydrophobic nature, hydrophobic nature etc., and therefore the resume speed after hydrophobic nature is lost in short-term may slow down.This part filth should be cleaned, measured, count the grey close of composite insulator, to characterize the actual contamination situation of insulator surface.Therefore, accurately measure the on-the-spot filthy degree of composite insulator, the actual contamination situation of understanding difference filthy working time from different places of composite insulator is very necessary.
Summary of the invention
The invention solves the accurately problem of measurement that is difficult to of the on-the-spot complete filthy degree of above-mentioned operation composite insulator, provide a kind of operation composite insulator on-the-spot complete method for detecting pollution grade, its method is simple, adopt inorganic solvent and organic solvent to combine, by two sub-samplings, insulator surface both capable of washing has guaranteed the accuracy of measuring again.
For achieving the above object, the present invention adopts following technical scheme:
The on-the-spot complete method for detecting pollution grade of a kind of operation composite insulator, its step is:
1) dunghill was measured the equivalent salt density degree of insulator then to the soiling solution memory under employing distilled water or deionized water were cleaned from the upper and lower surface of insulator;
2) soiling solution with step 1 filters, dries, weighs, and it is close to calculate washing ash;
3) adopt alcohol once more the upper and lower surface of insulator after the washing clean insoluble down with absorbent cotton and the material that is insoluble in water to the soiling solution memory, soiling solution is filtered, dries, weighs, calculate the alcohol wash gray density of insulator surface;
4) will wash gray density and the addition of alcohol wash gray density, the complete ash that is insulator surface is close.
In the described step 1), soiling solution should fully stir, and for the dunghill of high-dissolvability, the time of stirring is 5～10 minutes; For the dunghill of low solubility, mixing time 30～40 minutes.
Dunghill was measured the equivalent salt density of insulator to the soiling solution memory under the present invention cleaned with absorbent cotton from the upper and lower surface of insulator respectively with distilled water (or deionized water); Then soiling solution is filtered, dries, weighs, obtain washing gray density; And then with anhydrous alcohol as solvent, clean insoluble down from the upper and lower surface of insulator with absorbent cotton respectively and the material that is insoluble in water to the soiling solution memory, soiling solution is filtered, dries, weighs, the alcohol wash ash that calculates insulator surface is close.By two sub-samplings, can accurately measure equivalent salt density, the complete ash that can obtain the compound inslation sub-surface again is close.
Embodiment
The present invention will be further described below in conjunction with embodiment.
Embodiment 1:
The measurement of the on-the-spot complete filthy degree of single full skirt:
A. equivalent salt density is measured
Get pure water 100ml, the upper and lower surface of composite insulator full skirt is cleaned, repeat to clean, do not have remaining dunghill until insulator surface with the 80ml pure water.Wash again one time with the full skirt surface that remaining 20ml pure water will clean.Should note not losing the scouring water, i.e. before and after the dunghill sampling, the water yield does not have big variation.Soiling solution is fully stirred, and for the dunghill of high-dissolvability, the time of stirring is 5～10 minutes; For the dunghill of low solubility, generally need to stir 30～40 minutes.
Measure the conductivity and the temperature of soiling solution, can calculate the equivalent salt density (ESDD) of this full skirt.
B. grey close measurement
At first filter paper (1.6 μ m level or littler) is weighed, use the funnel filter paper filtering (as overlong time to having measured the soiling solution behind the equivalent salt density then, can adopt vacuum filtration), again filter paper and residue to be dried together, weighed, the washing ash that can calculate this full skirt is close.
And then use absorbent cotton to dip in the full skirt that the anhydrous alcohol wiping is crossed with scrub water, repeat to clean, until composite insulator full skirt surface no remaining dunghill (exposing the composite insulator primary colors).Filter, dry, weigh after filthy absorbent cotton water cleans up speckling with, the alcohol wash ash that can calculate this full skirt is close.
Water cleaning ash true ash close and that the grey close addition of alcohol wash promptly obtains the insulator surface of surveying is close, and claiming this ash close is that complete ash is close.
Embodiment 2:
The measurement of the on-the-spot complete filthy degree in the upper and lower surface of single full skirt:
Get pure water 100ml, composite insulator full skirt upper surface is cleaned, repeat to clean, do not have remaining dunghill until the insulator upper surface with the 80ml pure water.The full skirt upper surface that will clean with remaining 20ml pure water washes one time again.Should note not losing the scouring water, i.e. before and after the dunghill sampling, the water yield does not have big variation.Soiling solution is fully stirred, and for the dunghill of high-dissolvability, the time of stirring is 5～10 minutes; For the dunghill of low solubility, generally need to stir 30～40 minutes.Measure the conductivity and the temperature of sewage, measurement should be carried out in sewage.
Measure the conductivity and the temperature of soiling solution, can calculate the equivalent salt density (ESDD) of this full skirt upper surface.
B. grey close measurement
At first filter paper (1.6 μ m level or littler) is weighed, use the funnel filter paper filtering (as overlong time to having measured the soiling solution behind the equivalent salt density then, can adopt vacuum filtration), again filter paper and residue to be dried together, weighed, the washing ash that can calculate this full skirt upper surface is close.
And then use absorbent cotton to dip in the full skirt that the anhydrous alcohol wiping is crossed with scrub water, repeat to clean, until the composite insulator full skirt surface no remaining dunghill of cleaning (exposing the composite insulator primary colors).Filter, dry, weigh after filthy absorbent cotton water cleans up speckling with, the alcohol wash ash that can calculate this full skirt upper surface is close.
Water cleaning ash true ash close and that the grey close addition of alcohol wash promptly obtains the insulator full skirt upper surface of surveying is close, and claiming this ash close is that complete ash is close.
Close and the complete ash of salt that can record composite insulator full skirt lower surface of using the same method is close.
Claims (2)
1. one kind is moved the on-the-spot complete method for detecting pollution grade of composite insulator, it is characterized in that its step is:
1) dunghill was measured the equivalent salt density degree of insulator then to the soiling solution memory under employing distilled water or deionized water were cleaned from the upper and lower surface of insulator;
2) soiling solution with step 1 filters, dries, weighs, and it is close to calculate washing ash;
3) adopt alcohol once more the upper and lower surface of insulator after the washing clean insoluble down with absorbent cotton and the material that is insoluble in water to the soiling solution memory, soiling solution is filtered, dries, weighs, calculate the alcohol wash gray density of insulator surface;
4) will wash gray density and the addition of alcohol wash gray density, the complete ash that is insulator surface is close.
2. the on-the-spot complete method for detecting pollution grade of operation composite insulator as claimed in claim 1 is characterized in that in the described step 1), soiling solution should fully stir, and for the dunghill of high-dissolvability, the time of stirring is 5～10 minutes; For the dunghill of low solubility, mixing time 30～40 minutes.
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| CN 201010564010 CN102053043A (en) | 2010-11-30 | 2010-11-30 | Field complete pollution level detection method for running composite insulator |
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| CN 201010564010 CN102053043A (en) | 2010-11-30 | 2010-11-30 | Field complete pollution level detection method for running composite insulator |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288515A (en) * | 2011-07-29 | 2011-12-21 | 武汉大学 | Insulator dirt on-site sampling and contamination degree measuring method |
| CN102520119A (en) * | 2011-11-10 | 2012-06-27 | 广东电网公司东莞供电局 | Method for measuring filthy degree on surface of electric outer insulation sheath |
| CN102680271A (en) * | 2012-04-28 | 2012-09-19 | 天津市电力公司 | Sampling bag for testing insulator site pollution degrees and test method of sampling bag processing |
| CN102707209A (en) * | 2012-06-13 | 2012-10-03 | 浙江省电力公司电力科学研究院 | Method for researching pollution flashover characters of natural pollutant retention insulator by considering pollution conversion coefficient |
| CN103267937A (en) * | 2013-05-24 | 2013-08-28 | 广东电网公司电力科学研究院 | Method for detecting electrical aging of silicone rubber composite insulator |
| CN103278540A (en) * | 2013-04-25 | 2013-09-04 | 南方电网科学研究院有限责任公司 | Method for measuring equivalent salt deposit density of high-voltage insulator |
| CN103308656A (en) * | 2013-07-01 | 2013-09-18 | 安徽省电力科学研究院 | Method for measuring equivalent salt density and ash density of cluster parachute surface of composite insulator |
| CN105067473A (en) * | 2015-07-30 | 2015-11-18 | 国网山东省电力公司电力科学研究院 | Method for measuring operating insulator contamination degree |
| CN105842107A (en) * | 2016-03-17 | 2016-08-10 | 东南大学 | Insulator surface accumulated dirt cleaning method |
| CN106932612A (en) * | 2017-02-27 | 2017-07-07 | 清华大学 | Saline fog method test base |
| CN106970036A (en) * | 2017-03-30 | 2017-07-21 | 中国南方电网有限责任公司电网技术研究中心 | A kind of decision method of pollution severity of insulators degree |
| CN108732060A (en) * | 2018-04-28 | 2018-11-02 | 国网山东省电力公司电力科学研究院 | A method of measuring insulator dirty degree |
| CN108844765A (en) * | 2018-06-08 | 2018-11-20 | 国网辽宁省电力有限公司大连供电公司 | The close filthy substance sampling method of insulator salt density ash |
| CN109991369A (en) * | 2019-03-12 | 2019-07-09 | 河南宏博测控技术有限公司 | A kind of close comprehensive tester of the close salt of insulator ash and test method |
| CN111036586A (en) * | 2019-12-04 | 2020-04-21 | 中国电力科学研究院有限公司 | Insulator pollution sampling and equivalent salt deposit density measuring method in extremely-heavy-pollution area |
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| JP2001343314A (en) * | 2000-06-05 | 2001-12-14 | Mitsubishi Electric Corp | Polluted material evaluating device |
| CN101393152A (en) * | 2008-10-24 | 2009-03-25 | 重庆电力科学试验研究院 | Insulator dirty degree sampling and measurement method and special funnel device |
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2010
- 2010-11-30 CN CN 201010564010 patent/CN102053043A/en active Pending
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| JP2001343314A (en) * | 2000-06-05 | 2001-12-14 | Mitsubishi Electric Corp | Polluted material evaluating device |
| CN101393152A (en) * | 2008-10-24 | 2009-03-25 | 重庆电力科学试验研究院 | Insulator dirty degree sampling and measurement method and special funnel device |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288515A (en) * | 2011-07-29 | 2011-12-21 | 武汉大学 | Insulator dirt on-site sampling and contamination degree measuring method |
| CN102520119A (en) * | 2011-11-10 | 2012-06-27 | 广东电网公司东莞供电局 | Method for measuring filthy degree on surface of electric outer insulation sheath |
| CN102680271A (en) * | 2012-04-28 | 2012-09-19 | 天津市电力公司 | Sampling bag for testing insulator site pollution degrees and test method of sampling bag processing |
| CN102707209A (en) * | 2012-06-13 | 2012-10-03 | 浙江省电力公司电力科学研究院 | Method for researching pollution flashover characters of natural pollutant retention insulator by considering pollution conversion coefficient |
| CN103278540A (en) * | 2013-04-25 | 2013-09-04 | 南方电网科学研究院有限责任公司 | Method for measuring equivalent salt deposit density of high-voltage insulator |
| CN103267937A (en) * | 2013-05-24 | 2013-08-28 | 广东电网公司电力科学研究院 | Method for detecting electrical aging of silicone rubber composite insulator |
| CN103267937B (en) * | 2013-05-24 | 2015-04-22 | 广东电网公司电力科学研究院 | Method for detecting electrical aging of silicone rubber composite insulator |
| CN103308656A (en) * | 2013-07-01 | 2013-09-18 | 安徽省电力科学研究院 | Method for measuring equivalent salt density and ash density of cluster parachute surface of composite insulator |
| CN105067473A (en) * | 2015-07-30 | 2015-11-18 | 国网山东省电力公司电力科学研究院 | Method for measuring operating insulator contamination degree |
| CN105842107A (en) * | 2016-03-17 | 2016-08-10 | 东南大学 | Insulator surface accumulated dirt cleaning method |
| CN105842107B (en) * | 2016-03-17 | 2018-06-01 | 东南大学 | A kind of method for cleaning of insulator surface contamination |
| CN106932612A (en) * | 2017-02-27 | 2017-07-07 | 清华大学 | Saline fog method test base |
| CN106970036A (en) * | 2017-03-30 | 2017-07-21 | 中国南方电网有限责任公司电网技术研究中心 | A kind of decision method of pollution severity of insulators degree |
| CN108732060A (en) * | 2018-04-28 | 2018-11-02 | 国网山东省电力公司电力科学研究院 | A method of measuring insulator dirty degree |
| CN108844765A (en) * | 2018-06-08 | 2018-11-20 | 国网辽宁省电力有限公司大连供电公司 | The close filthy substance sampling method of insulator salt density ash |
| CN108844765B (en) * | 2018-06-08 | 2021-02-09 | 国网辽宁省电力有限公司大连供电公司 | Sampling method for insulator salt density ash density filthy substance |
| CN109991369A (en) * | 2019-03-12 | 2019-07-09 | 河南宏博测控技术有限公司 | A kind of close comprehensive tester of the close salt of insulator ash and test method |
| CN111036586A (en) * | 2019-12-04 | 2020-04-21 | 中国电力科学研究院有限公司 | Insulator pollution sampling and equivalent salt deposit density measuring method in extremely-heavy-pollution area |
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Open date: 20110511 |