CN113964708A - Quick repair process for external insulation of water immersion electric power secondary equipment - Google Patents
Quick repair process for external insulation of water immersion electric power secondary equipment Download PDFInfo
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- CN113964708A CN113964708A CN202111266813.1A CN202111266813A CN113964708A CN 113964708 A CN113964708 A CN 113964708A CN 202111266813 A CN202111266813 A CN 202111266813A CN 113964708 A CN113964708 A CN 113964708A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 230000008439 repair process Effects 0.000 title claims abstract description 21
- 238000009422 external insulation Methods 0.000 title claims abstract description 17
- 238000007654 immersion Methods 0.000 title claims description 7
- 238000009413 insulation Methods 0.000 claims abstract description 38
- 238000001035 drying Methods 0.000 claims abstract description 27
- 238000005406 washing Methods 0.000 claims abstract description 22
- 239000012459 cleaning agent Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000007602 hot air drying Methods 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 238000007664 blowing Methods 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 13
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 10
- 229950011008 tetrachloroethylene Drugs 0.000 claims description 10
- RIQRGMUSBYGDBL-UHFFFAOYSA-N 1,1,1,2,2,3,4,5,5,5-decafluoropentane Chemical compound FC(F)(F)C(F)C(F)C(F)(F)C(F)(F)F RIQRGMUSBYGDBL-UHFFFAOYSA-N 0.000 claims description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 239000010705 motor oil Substances 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 230000006378 damage Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000002808 molecular sieve Substances 0.000 description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
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- 238000002156 mixing Methods 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- 239000013307 optical fiber Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/24—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/28—Organic compounds containing halogen
- C11D7/30—Halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5027—Hydrocarbons
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a quick repair process for external insulation of water immersed power secondary equipment, which comprises the steps of firstly washing dirt such as silt and the like inside and outside the power secondary equipment by deionized water, and drying water by a fan at normal temperature after washing; the method comprises the following steps of (1) spraying and washing the power secondary equipment by using a high-insulation cleaning agent, and removing residual moisture in the power secondary equipment, in cracks and on the surface by using hydrophobicity and volatility of the insulation cleaning agent; drying and blowing the surface of the electric power secondary equipment by adopting hot air drying equipment to dry the surface of the electric power secondary equipment without moisture; spraying an insulation repairing agent on the secondary power equipment, and drying by adopting hot air drying equipment to form an insulation film on the surface of the secondary power equipment; and measuring the insulation value of the secondary power equipment according to the regulation requirement, and finishing the repair work according to the requirement. The repair process is scientific, the whole repair work can be finished within two hours, the repair efficiency is high, and the power failure time is greatly shortened; the repair work is finished at one time, the process is uninterrupted, and manpower are saved.
Description
Technical Field
The invention relates to treatment after water immersion of electric power secondary equipment, in particular to a quick repair process for external insulation of water immersion electric power secondary equipment.
Background
In recent years, flood disasters have become more frequent due to the global environmental destruction caused by rapid development of global industries.
The special characteristics of multiple rainstorms occurring in recent years in China are short interval time and large rainfall, and 24 stations of daily rainfall reaches or breaks through historical extreme values. Every waterlogging is a serious damage to a relay protection system in a transformer substation. Because a general power distribution room or a communication room is arranged on a negative layer or a negative layer underground, the occurrence of waterlogging destructively strikes the power secondary equipment, and the external insulation of the soaked power secondary equipment is damaged due to the fact that foreign matters such as moisture, silt and the like are attached to the surface of the equipment, so that the power secondary equipment cannot meet power transmission conditions, and the power failure time of the power secondary equipment caused by flood is prolonged.
In order to treat foreign matters such as silt and the like attached to electric power secondary equipment as soon as possible, a water washing method is mostly adopted at present, silt and the like can be removed by water washing, but moisture remained on the equipment cannot be rapidly removed, the drying and dehumidification are required to be carried out within one to two days, and meanwhile, corrosion damage to lines and equipment can be caused by water washing, and the lines and the equipment are buried for later safe power supply.
Disclosure of Invention
The invention aims to provide a quick repair process for the external insulation of water immersed power secondary equipment, which can remove foreign matters such as moisture, silt and the like causing the insulation damage of the power secondary equipment in a short time and quickly recover the external insulation of the power secondary equipment.
In order to achieve the purpose, the invention can adopt the following technical scheme:
the invention relates to a quick repair process for external insulation of water immersed power secondary equipment, which comprises the following steps:
firstly, washing dirt such as silt inside and outside the power secondary equipment by using deionized water, and drying water at normal temperature by using a fan after washing;
secondly, spraying and washing the power secondary equipment by using a high-insulation cleaning agent, and removing residual moisture in the power secondary equipment, in cracks and on the surface by using hydrophobicity and volatility of the insulation cleaning agent;
thirdly, drying and blowing the surface of the electric power secondary equipment by adopting hot air drying equipment to dry the surface of the electric power secondary equipment without moisture;
fourthly, spraying the insulation repairing agent on the secondary power equipment, and drying by adopting hot air drying equipment to form a layer of insulation film on the surface of the secondary power equipment;
and fifthly, measuring the insulation value of the power secondary equipment according to the rule requirement, and finishing the repair work according to the requirement.
Deionized water used for the first step of washing is EW-IV grade and above, and related technical indexes meet the regulations of GB/T11446.1 electronic grade water; the pressure of a spray gun is 0.4-0.7Mpa when the spray gun is washed, and the washing time is 10 minutes; when the fan blows dry, the distance is 10cm from the equipment, and the blowing time is 10 minutes.
The insulating cleaning agent used in the second step is prepared from No. 60 solvent oil, tetrachloroethylene, decafluoropentane and naphtha according to the weight ratio of 10:4:1: 5: accurately weighing 60# solvent oil, tetrachloroethylene, decafluoropentane and naphtha in proportion, sequentially putting the materials into a reaction kettle, stirring for 15-20 minutes to uniformly mix the materials, and then putting the reaction kettle into a molecular sieve drying device for standing for 20 minutes for use;
the spray gun pressure during spray washing is 0.4-0.7 Mpa. When hot air drying equipment is adopted for drying and blowing, the drying time of each power equipment is 20 minutes, the air temperature is less than or equal to 60 ℃, and the distance between the hot air drying equipment and the power equipment is more than or equal to 10 cm. The prepared insulating cleaning agent has high insulativity and can be quickly evaporated, and the crack of the power equipment or the overtime of the surface of the equipment can be taken away, so that the power equipment can be quickly dried.
And fourthly, preparing the insulation repairing agent from 46# engine oil, naphtha, ethyl silicone oil, 10# white oil, zinc naphthenate and tetrachloroethylene according to the weight ratio of 10:15:50:5:1: 14: accurately weighing 46# engine oil, naphtha, ethyl silicone oil, 10# white oil, zinc naphthenate and tetrachloroethylene in proportion, sequentially putting the materials into a reaction kettle, stirring for 20-30 minutes, uniformly mixing, and then putting the reaction kettle into a molecular sieve drying device for standing for 20 minutes.
When hot air drying equipment is adopted for drying, the air temperature is less than or equal to 60 ℃; the insulating repairing agent is sprayed on the outer surface of the power secondary equipment, so that a layer of liquid film can be formed on the surface of the power secondary equipment, a layer of soft film can be formed after drying, and the high insulating property of a circuit or the power secondary equipment can be ensured for a long time.
The method has the advantages that the repairing process is scientific, and the external insulation of the water immersion equipment can be rapidly repaired on the premise that the water immersion equipment is rapidly cleaned by combining the ionized water washing, the insulation cleaning agent spraying and the insulation repairing agent spraying, so that the safe operation of the power secondary equipment is guaranteed; the whole repair work can be finished within two hours, the repair efficiency is high, and the power failure time is greatly shortened; the repair work is finished at one time, the process is uninterrupted, and manpower are saved.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The process flow of the present application is described in detail below to facilitate understanding for those skilled in the art.
The power secondary equipment of the present invention includes various electric devices such as motors, generators, transformers, relays, switches, commutators, brushes, batteries, antennas, and the like.
As shown in fig. 1, the quick repair process for the external insulation of the water immersed power secondary equipment comprises the following steps:
first, washing with water
According to the regulation of GB/T11446.1 electronic grade water, EW-IV grade deionized water for removing anions and cations in water and the grade of deionized water above are adopted, and conductive anions and cations are removed while silt stains are removed, so that the insulating property of equipment is ensured; when cleaning, the pressure of the spray gun is controlled to be 0.4-0.6Mpa (the maximum pressure can not exceed 0.7 Mpa), the flushing time of each device is not less than 10 minutes, and the effluent water is clear and has no visible silt and dirt; after washing, the moisture is dried by a fan at normal temperature, the air blowing time of the wading part is not less than 10 minutes, the distance from the equipment is not less than 10cm, and the drying effect that no visible water drops flow out of the equipment and no visible water drops exist on the surface is achieved.
Second, high insulation detergent spray washing
In order to completely remove residual moisture which is not directly leaked outside in the equipment, the applicant uses an insulating cleaning agent to spray and wash the electric power secondary equipment (secondary cleaning) after primarily cleaning the electric power secondary equipment by using deionized water, and removes liquid and moisture remained in the electric power secondary equipment, equipment cracks and the surface of the equipment by utilizing the hydrophobicity and volatility of the insulating cleaning agent, so that the equipment is quickly dried, and the residual moisture directly leaked outside the equipment is eliminated;
in order to ensure the dewatering effect, the high-insulation cleaning agent used by the applicant is prepared from 60# solvent oil, tetrachloroethylene, decafluoropentane and naphtha according to the weight ratio of 10:4:1: 5: and (3) accurately weighing the four liquid materials of No. 60 solvent oil, tetrachloroethylene, decafluoropentane and naphtha according to the proportion, sequentially putting the four liquid materials into a reaction kettle, stirring for 15-20 minutes, uniformly mixing, then putting the reaction kettle into a molecular sieve drying device, standing for 20 minutes, removing water mixed in air, and reducing the water content of the high-insulation cleaning agent to obtain a finished product of the high-insulation cleaning agent.
The physical and chemical indexes of the finished product of the high-insulation cleaning agent are as follows through detection:
the high-insulation cleaning agent has high insulation performance, can be quickly evaporated, and can quickly take away liquid and moisture in a gap of equipment or the inside of the equipment during evaporation.
When the high-insulation cleaning agent is used for spray cleaning, the pressure of the spray gun is preferably controlled to be 0.4-0.6MPa (the maximum pressure cannot exceed 0.7 MPa), so that the mechanical damage of equipment is prevented.
The standard for the second spray is that the equipment has no residual moisture that leaks directly.
Third, drying with hot air
After the high-insulation cleaning agent is sprayed, hot air drying equipment (such as an air heater) is adopted for drying and blowing, the drying time of each electric power secondary equipment is not less than 20 minutes, the air temperature is not more than 60 ℃, and the distance between the air heater and the electric power secondary equipment is not less than 10 cm. The air blowing of a certain part of equipment with lower melting point, such as an optical fiber, a board card and the like, is strictly forbidden to be aligned for a long time. After the operation is finished, the inside and the outside of the equipment should be fully dried without visible water drops and cleaning agents.
Fourthly, spraying a quick insulation repairing agent
After the equipment is fully dried, the quick insulation repairing agent is sprayed on the surface of the equipment, and the external insulation of the power secondary equipment is recovered.
In order to ensure the insulation safety of the secondary equipment of the electric power equipment, the insulation repairing agent specially prepared is adopted in the application:
the lubricating oil is prepared from 46# engine oil, naphtha, ethyl silicone oil, 10# white oil, zinc naphthenate and tetrachloroethylene according to the weight ratio of 10:15:50:5:1: 14: accurately weighing 46# engine oil, naphtha, ethyl silicone oil, 10# white oil, zinc naphthenate and tetrachloroethylene in proportion, sequentially putting the raw materials into a reaction kettle, stirring for 20-30 minutes, uniformly mixing, then putting the reaction kettle into a molecular sieve drying device, standing for 20 minutes, and finally removing water mixed in air, reducing the water content in the insulation repair agent and obtaining the finished product of the quick insulation repair agent.
The physical and chemical indexes of the finished product of the quick insulation repairing agent are as follows through detection:
when spraying, spraying equipment is adopted according to the volume ratio of 0.1-0.2L/m2Spraying, wherein the repairing agent has the capability of fast dispersion along the surface of the equipment and can form a layer of liquid film on the surface of the electric power secondary equipment; and then drying by adopting hot air drying equipment (such as a hot air gun), wherein the air pressure of the hot air gun is moderate during drying, the distance between the hot air gun and the equipment is not less than 10cm, the temperature is not more than 60 ℃, and a layer of soft film (with the thickness of 0.05-0.1 mm) can be formed after the liquid film is dried.
And fifthly, measuring the insulation value of the secondary electric equipment according to the regulation requirement (the insulation of the 500V megohm meter test equipment to the ground exceeds 0.5 megohm), and finishing the repair work when the requirement is met.
Claims (6)
1. A quick repair process for external insulation of water immersion electric secondary equipment is characterized in that: the method comprises the following steps:
firstly, washing dirt such as silt inside and outside the power secondary equipment by using deionized water, and drying water at normal temperature by using a fan after washing;
secondly, spraying and washing the power secondary equipment by using a high-insulation cleaning agent, and removing residual moisture in the power secondary equipment, in cracks and on the surface by using hydrophobicity and volatility of the insulation cleaning agent;
thirdly, drying and blowing the surface of the electric power secondary equipment by adopting hot air drying equipment to dry the surface of the electric power secondary equipment without moisture;
fourthly, spraying an insulation repairing agent on the electric power equipment, and drying by adopting hot air drying equipment to form a layer of insulation film on the surface of the electric power secondary equipment;
and fifthly, measuring the insulation value of the power secondary equipment according to the rule requirement, and finishing the repair work according to the requirement.
2. The process for quickly repairing the external insulation of water immersed power equipment as claimed in claim 1, wherein: the deionized water is EW-IV grade or above, the pressure of a spray gun during washing is 0.4-0.7Mpa, and the washing time is 10 minutes; when the fan blows dry, the blowing time is 10 minutes.
3. The process for quickly repairing the external insulation of the water immersed power secondary equipment according to claim 1, which is characterized in that: the insulating cleaning agent used in the second step is prepared from No. 60 solvent oil, tetrachloroethylene, decafluoropentane and naphtha according to the proportion of 10:4:1: 5; the spray gun pressure during spray washing is 0.4-0.7 Mpa.
4. The process for quickly repairing the external insulation of the water immersed power secondary equipment according to claim 1, which is characterized in that: and when the third step adopts hot air drying equipment for drying, the drying time of each electric secondary equipment is 20 minutes, and the air temperature is less than or equal to 60 ℃.
5. The process for quickly repairing the external insulation of the water immersed power secondary equipment according to claim 1, which is characterized in that: and fourthly, preparing the insulation repairing agent from 46# engine oil, naphtha, ethyl silicone oil, 10# white oil, zinc naphthenate and tetrachloroethylene according to the proportion of 10:15:50:5:1: 14.
6. The process for quickly repairing the external insulation of the water immersed power secondary equipment according to claim 1, which is characterized in that: when the fourth step is carried out by adopting hot air drying equipment for drying, the air temperature is less than or equal to 60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111266813.1A CN113964708A (en) | 2021-10-28 | 2021-10-28 | Quick repair process for external insulation of water immersion electric power secondary equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111266813.1A CN113964708A (en) | 2021-10-28 | 2021-10-28 | Quick repair process for external insulation of water immersion electric power secondary equipment |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09122610A (en) * | 1990-05-01 | 1997-05-13 | Fujitsu Ltd | Method and apparatus for cleaning/drying |
| CN102580937A (en) * | 2011-12-21 | 2012-07-18 | 彭军宏 | Method for realizing live cleaning of secondary equipment |
| CN103923768A (en) * | 2014-04-10 | 2014-07-16 | 河南东圣科技有限公司 | Composite flame-retardant organic detergent for charged insulating equipment |
| CN110086105A (en) * | 2019-06-12 | 2019-08-02 | 七星电气股份有限公司 | A kind of switchgear insulation restorative procedure |
| CN111454781A (en) * | 2020-03-25 | 2020-07-28 | 苏州神尔能源科技有限公司 | High-insulation mixed liquid capable of being used for cleaning high-voltage power equipment |
| CN111768922A (en) * | 2020-07-01 | 2020-10-13 | 广东电网有限责任公司 | Coating method of bus insulating layer, bus and power equipment |
| CN111826245A (en) * | 2020-06-30 | 2020-10-27 | 国网江苏省电力有限公司电力科学研究院 | Novel composite repairing material special for external insulation and preparation method thereof |
| CN113477488A (en) * | 2021-08-13 | 2021-10-08 | 山西晋缘电力化学清洗中心有限公司 | Construction process of electrified spray coating anti-pollution flashover coating |
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2021
- 2021-10-28 CN CN202111266813.1A patent/CN113964708A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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