CN106929215B - Online maintenance cleaning method for power transmission and transformation equipment - Google Patents
Online maintenance cleaning method for power transmission and transformation equipment Download PDFInfo
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- CN106929215B CN106929215B CN201710180901.7A CN201710180901A CN106929215B CN 106929215 B CN106929215 B CN 106929215B CN 201710180901 A CN201710180901 A CN 201710180901A CN 106929215 B CN106929215 B CN 106929215B
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- 239000001433 sodium tartrate Substances 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 229940117013 triethanolamine oleate Drugs 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- JEJAMASKDTUEBZ-UHFFFAOYSA-N tris(1,1,3-tribromo-2,2-dimethylpropyl) phosphate Chemical compound BrCC(C)(C)C(Br)(Br)OP(=O)(OC(Br)(Br)C(C)(C)CBr)OC(Br)(Br)C(C)(C)CBr JEJAMASKDTUEBZ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
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- 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
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/162—Organic compounds containing Si
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/166—Organic compounds containing borium
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/28—Heterocyclic compounds containing nitrogen in the ring
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/3427—Organic compounds containing sulfur containing thiol, mercapto or sulfide groups, e.g. thioethers or mercaptales
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/34—Organic compounds containing sulfur
- C11D3/349—Organic compounds containing sulfur additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or their derivatives or thio urea
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/43—Solvents
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- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/123—Sulfonic acids or sulfuric acid esters; Salts thereof derived from carboxylic acids, e.g. sulfosuccinates
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- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/90—Betaines
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- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/18—Hydrocarbons
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/201—Monohydric alcohols linear
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Abstract
The invention relates to an online maintenance cleaning method for power transmission and transformation equipment. The online maintenance cleaning agent comprises a bi-component penetrating agent, an accelerant, an interface additive, a surfactant, an antistatic agent, an insulating agent, an alcohol solvent, a silane derivative, a stabilizer, thiourea and solvent oil. The online maintenance cleaning method has good various performances by using the online maintenance cleaning agent with the selection and synergistic effect of specific components and the specific preparation method, so that the method can be used for online cleaning and maintenance of electric power transmission and transformation equipment, power failure operation is not needed, the maintenance efficiency is greatly improved, any influence on downstream power utilization is avoided, and the online maintenance cleaning method has good application value and popularization potential.
Description
Technical Field
The invention relates to a power equipment maintenance method, in particular to an online maintenance and cleaning method for power transmission and transformation equipment, and belongs to the technical field of cleaning and maintenance in the power field.
Background
In the field of electric power, especially, electric transmission and transformation equipment (such as high-voltage insulators and the like) can slowly generate deposited dirt on the surface of the electric transmission and transformation equipment due to the fact that the use environment of the electric transmission and transformation equipment is always exposed to the atmospheric environment along with the prolonging of the use time and increasingly severe environmental influences (such as dust pollution, corrosive gas pollution, oil pollution and the like in the air), and the deposited dirt generally has certain conductivity and moisture absorption, so that under the dual actions of humid weather and high pressure, the risk and risk of flashover are generated, which is more obvious in severe weather such as rain, snow, dew, fog, icing and the like, for example, in large-scale power interruption accidents caused by icing in the south of the early 21 st century in China, and the situation is especially obvious.
Therefore, to eliminate this potential risk, it is often necessary to periodically maintain the power transmission and transformation equipment to remove various deposits from its surfaces. However, to date, the most common maintenance measures are generally as follows: 1. various anti-pollution flashover coatings are coated on the surface of the power transmission and transformation equipment, but the means cannot prevent the generation of pollution deposits; 2. the insulation capability of the electric transmission and transformation equipment is enhanced, but the method has the defects that the insulation capability of the material is difficult to significantly improve and improve, and the increase and the risk of the electric conductivity caused by the deposit cannot be counteracted; 3. the method can thoroughly remove deposited pollutants on the surface of the power transmission and transformation equipment in case of power failure maintenance, but has the most obvious defects because the method interrupts normal power supply, causes serious influence on normal industrial operation, resident life and the like, and is a treatment method which is most economical and has the greatest loss.
In view of the above, researchers have focused their research on-line maintenance and/or new cleaning agents, and have attempted to develop cleaning agents that can be maintained on-line or new cleaning agents, and have achieved some results, such as:
CN101629129A discloses a special cleaning agent for insulators, which comprises the following components in percentage by mass: 1-20% of polyethylene glycol octyl phenyl ether, 1-20% of nonylphenol polyoxyethylene ether, 1-3% of dichloromethane and C5H2F105-20％、C3HCl2F510-30％、C2Cl3H35-15%, and also provides a preparation method of the special cleaning agent for the insulator, which comprises the following steps: the components are put into a closed container according to the proportion and react for 1 hour at the temperature of 20-30 ℃ and under normal pressure. The cleaning agent has no environmental pollution, low corrosivity, strong physical decomposition capacity and safe and reliable use, can rapidly and thoroughly remove various insulators, deep dust, oil stains, carbon stains, salinity, moisture, metal dust and various charged particles, effectively eliminates 'soft faults', ensures the optimal working state of equipment, and reduces the maintenance cost.
CN102559410A discloses a surface-charged cleaning agent for high-voltage insulators. The cleaning agent consists of a builder, a nonionic surfactant, a penetrating agent, an organic solvent and a protective agent, wherein the cleaning agent comprises the following components in percentage by weight: builder: 75-85%; nonionic surfactant: 5 to 10 percent; penetrant: 1 to 5 percent; organic solvent: 0.5-10%; a protective agent: 0.5 to 1 percent. Wherein the builder is trifluorotrichloroethane, and the protective agent is silicone oil. The cleaning agent has small surface tension, strong cleaning force on high-voltage insulator dirt, good permeability, good insulating property and good high-voltage resistance; high stability, easy volatilization, difficult combustion and no toxicity.
CN102660410A discloses a dirt cleaning agent for the surface of an RTV coating insulator, which is prepared by mixing the following raw materials: at least two of ethylene diamine tetraacetic acid, sodium glycolate, sodium oxalate and sodium gluconate, sodium polyacrylate, disodium hydroxyethylidene diphosphonate, surfactant alkylphenol polyoxyethylene, penetrant fatty alcohol polyoxyethylene ether and water. When in use, the agent removes the surface dirt of the RTV coating insulator through the comprehensive action of mechanisms such as permeation, complexation, dispersion, expansion and the like, so the agent has the following advantages: the method has the advantages of low cost, simple operation, convenient implementation, thorough dirt removal, no damage to the RTV coating, no corrosion to the metal parts of the insulator support and contribution to wide popularization.
CN102703237A discloses an antistatic environment-friendly communication equipment charged cleaning agent, which is prepared by mixing the following components in parts by weight: 50-65 parts of dipropylene glycol, 10-20 parts of low-molecular-weight dimethyl siloxane, 2-10 parts of methyl silicone oil, 10-20 parts of SMD-40 solvent oil and 0.01-1 part of antistatic agent. The electrified cleaning agent takes the dipropylene glycol as a main raw material and is matched with other chemical reagents with strong cleaning capability, so that the electrified cleaning agent is reasonably matched, has good cleaning effect on pollutants on the surface of the communication equipment, has strong compatibility, does not corrode materials such as plastics, paint, metal and the like, and ensures that the function of the communication equipment is not influenced; the high-voltage network has high network voltage and volume resistivity, and is safe to use; the special antistatic agent is used, and an antistatic film is formed on the cleaned surface of the equipment after cleaning, so that the anti-fouling capability of the equipment can be effectively enhanced; the coating does not contain substances damaging the ozone layer, is halogen-free and has no adverse effect on the environment.
CN105296244A discloses an insulator electrified cleaning agent, which is composed of the following components in parts by mass: 60-90 parts of solvent dimethyl carbonate, 15-30 parts of cosolvent ethylene glycol derivative, 5-10 parts of nonionic surfactant, 2-5 parts of abrasive nano metal oxide, 1-5 parts of dispersing agent dichloromethane, 0.5-2 parts of builder N-alkyl pyrrolidone, 0.2-1 part of stabilizer coconut oil diethanolamide and 1-3 parts of polymethylsiloxane. The cleaning agent can effectively remove stains on the surface of the anti-pollution flashover coating of the insulator in high-saline-alkali and high-industrial pollution environments, and recover excellent hydrophobicity and hydrophobicity migration on the surface of the insulator, so that the cleaning agent has the capability of effectively ensuring the safe operation of power equipment.
CN105441220A discloses a surface cleaning treatment agent for an electric power insulator, which comprises the following components in parts by mass: 36-40 parts of diethylene glycol ethyl ether, 38-42 parts of cocamidopropyl betaine, 34-38 parts of polyacrylamide, 32-36 parts of pentaerythritol, 38-42 parts of dodecyl dimethyl amine oxide, 34-38 parts of isopropyl palmitate, 32-36 parts of n-bromopropane, 38-42 parts of fatty alcohol polyoxyethylene ether, 34-38 parts of sodium tartrate, 32-36 parts of potassium sorbate, 38-42 parts of p-toluenesulfonic acid, 34-38 parts of butyl carbitol, 34-38 parts of sodium polyphosphate, 32-36 parts of sodium perborate, 38-42 parts of benzotriazole, 34-38 parts of ethylene glycol monobutyl ether, 32-36 parts of glycerol monostearate, 34-38 parts of coconut oil, 34-38 parts of propylparaben and 20000 parts of water 10000-. The product has better cleaning effect, less harm to human body, low freezing point, and good use effect, and is suitable for being better used for cleaning treatment of the insulator.
CN106010844A discloses a cleaning treatment agent for an electric insulator, which comprises the following components in parts by mass: 16-20 parts of oxalic acid, 18-22 parts of stearic acid monoglyceride, 14-18 parts of glyceryl monostearate, 12-16 parts of triethanolamine oleate soap, 18-22 parts of amyl acetate, 14-18 parts of carboxymethyl cellulose, 12-16 parts of sodium gluconate, 18-22 parts of essence, 14-18 parts of benzotriazole, 12-16 parts of coconut fatty acid, 18-22 parts of monoalkyl ether phosphate potassium salt, 14-18 parts of dioctyl sodium sulfosuccinate, 14-18 parts of benzoic acid, 12-16 parts of potassium dihydrogen phosphate, 18-22 parts of sodium lignosulfonate, 14-18 parts of bacon, 12-16 parts of rosin water, 18-22 parts of sodium dichloroisocyanurate and 10000-20000 parts of water. The product has good cleaning effect, good sterilization function, excellent performance and little harm to human body.
As described above, various cleaning agents and cleaning methods for power transmission and transformation equipment have been reported in the prior art, but there is still a need for a novel online maintenance cleaning method, which is the focus and focus of research in this field, and is the basis and power for completing the present invention.
Disclosure of Invention
In order to develop an online maintenance cleaning method using a cleaning agent for novel power transmission and transformation equipment, the inventor obtains an online maintenance cleaning method using a brand-new online maintenance cleaning agent for power transmission and transformation equipment through intensive research after a large number of creative experiments are explored, and the cleaning agent has various good performances, thereby completing the invention.
The method comprises the steps of atomizing an online maintenance cleaning agent, and spraying the atomized online maintenance cleaning agent into the power transmission and transformation equipment to be maintained and cleaned, so as to finish the online maintenance cleaning method.
In the on-line maintenance cleaning method of the present invention, the atomizing means and technique are well known and conventional, such as by an atomizing pump, or for small-sized power transmission and transformation equipment, a hand-held spraying device (such as a household mosquito killer spraying device) can be used, and will not be described in detail herein.
In the online maintenance cleaning method, the online maintenance cleaning agent comprises a bi-component penetrating agent, an accelerant, an interface additive, a surfactant, an antistatic agent, an insulating agent, an alcohol solvent, a silane derivative, a stabilizer, thiourea and solvent oil.
In the online maintenance cleaning method, the online maintenance cleaning agent comprises the following specific components in parts by weight:
in the on-line maintenance cleaning method of the present invention, the meaning of "including" referring to the composition includes both open type "including", "containing", and the like, and the meaning of "consisting of …" and the like, which are closed type, and the like.
In the on-line maintenance cleaning method of the present invention, the two-component penetrant is 0.4-0.8 part by weight, and may be, for example, 0.4 part, 0.5 part, 0.6 part, 0.7 part, or 0.8 part.
The bi-component penetrating agent has a structural formula of RO (C)2H4O)m(C3H6O)nH, a mixture of fatty alcohol polyethylene oxide polypropylene oxide and sodium diisooctyl sulfosuccinate, wherein the mass ratio of the fatty alcohol polyethylene oxide polypropylene oxide to the sodium diisooctyl sulfosuccinate is 1:3-4, and can be, for example, 1:3, 1:3.5 or 1: 4.
Wherein R is C6-C12Straight-chain or branched alkyl of, e.g. C6Straight or branched alkyl, C7Straight or branched alkyl, C8Straight or branched alkyl, C9Straight or branched alkyl, C10Straight or branched alkyl, C11Straight or branched alkyl or C12A linear or branched alkyl group;
m is an integer from 6 to 10, i.e. the degree of polymerization of the ethylene oxide, may be, for example, 6, 7, 8, 9 or 10;
n is an integer between 5 and 9, i.e. the degree of polymerization of propylene oxide, and may be, for example, 5, 6, 7, 8 or 9.
In the on-line maintenance cleaning method of the present invention, the accelerator is 0.2 to 0.4 part by weight, for example, 0.2 part, 0.3 part or 0.4 part.
The accelerant is any one of diethylene triamine pentaacetic acid, nitrilotriacetic acid or 1, 3-propylene diamine tetraacetic acid, and 1, 3-propylene diamine tetraacetic acid is most preferable.
In the on-line maintenance cleaning method of the present invention, the interface assistant is 0.6 to 1.2 parts by weight, for example, 0.6 part, 0.8 part, 1 part or 1.2 parts by weight.
The interface auxiliary agent is any one of 1-ethyl-3-methylimidazole nitrate, 1-ethyl-3-methylimidazole trifluoroacetate or 1-ethyl-3-methylimidazole dinitrile amine salt, and the most preferable is 1-ethyl-3-methylimidazole trifluoroacetate.
In the on-line maintenance cleaning method of the present invention, the surfactant is 0.4 to 1 part by weight, and may be 0.4 part, 0.6 part, 0.8 part or 1 part, for example.
The surfactant is laurinol polyoxyethylene (20) ether or cocamidopropyl betaine, preferably cocamidopropyl betaine.
In the on-line maintenance cleaning method of the present invention, the antistatic agent is 0.1 to 0.3 part by weight, and for example, may be 0.1 part, 0.2 part or 0.3 part.
The antistatic agent is N-octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate, dodecyl trimethyl ammonium chloride or N, N-hydroxyethyl amine stearate boric acid monoester, and the most preferable is the N, N-hydroxyethyl amine stearate boric acid monoester.
In the on-line maintenance cleaning method of the present invention, the weight part of the insulating agent is 0.08 to 0.14 part, and may be, for example, 0.08 part, 0.1 part, 0.12 part, or 0.14 part.
The insulating agent is any one of polydimethylsiloxane, hexamethyl siloxane or octamethyl siloxane.
In the on-line maintenance cleaning method of the present invention, the alcohol solvent is 10 to 20 parts by weight, for example, 10 parts, 15 parts or 20 parts.
The alcohol solvent may be, for example, a C2-C6 alcohol, and may be, for example, any one of ethanol, n-propanol, isopropanol, n-butanol, sec-butanol, and the like.
In the in-line maintenance cleaning method of the present invention, the silane derivative is 0.7 to 1.2 parts by weight, and may be, for example, 0.7 part, 0.9 part, 1.1 part or 1.2 parts by weight.
The silane derivative is gamma-mercaptopropyl-trimethoxysilane.
In the on-line maintenance cleaning method of the present invention, the stabilizer is 0.3 to 0.6 part by weight, and may be 0.3 part, 0.4 part, 0.5 part or 0.6 part, for example.
The stabilizer is any one of 2,2 ' -thiobis (6-tert-butyl-4-methylphenol), 4 ' -thiobis (6-tert-butyl-3-methylphenol), 4 ' -thiobis (3, 6-di-sec-amylphenol) or 4,4 ' -bis (2, 6-dimethyl-4-hydroxyphenyl) disulfide, and most preferably 4,4 ' -bis (2, 6-dimethyl-4-hydroxyphenyl) disulfide.
In the on-line maintenance cleaning method of the present invention, the thiourea may be present in an amount of 0.5 to 0.7 parts by weight, for example, 0.5 parts, 0.6 parts or 0.7 parts by weight.
In the on-line maintenance cleaning method of the present invention, the solvent oil is 50 to 60 parts by weight, for example, 50 parts, 55 parts or 60 parts.
The mineral spirit may be any one or a mixture of any more of 6# mineral spirit, 120# light mineral spirit, naphtha, 90# petroleum ether, etc. in any ratio, which are all very conventional substances and are commercially available from various commercial sources, and will not be described in detail herein.
As described above, the invention provides the online maintenance cleaning method using the novel online maintenance cleaning agent for the power transmission and transformation equipment, and the method obtains good multiple performances by using the novel online maintenance cleaning agent, particularly by unique combination selection of components in the cleaning agent and effect synergy among the components, has good application potential, can be widely used for online maintenance cleaning of the power transmission and transformation equipment, does not need power failure operation, greatly improves the maintenance efficiency, does not cause any influence on downstream power consumption, and has good application value and popularization potential.
Detailed Description
The present invention is described in detail below by way of specific examples, but the use and purpose of these exemplary embodiments are merely to exemplify the present invention, and do not set forth any limitation on the actual scope of the present invention in any form, and the scope of the present invention is not limited thereto.
Of these, it is to be noted that the components added in steps S2 to S3 of the following respective examples and comparative examples are each the respective corresponding components in step S1.
Example 1: preparation of on-line maintenance cleaning agent
S1, respectively weighing 0.6 weight part of double-component penetrant (0.13 weight part of RO (C)2H4O)m(C3H6O)nH, a mixture of fatty alcohol polyethylene oxide polypropylene oxide and 0.47 part by weight of diisooctyl sulfosuccinate sodium, wherein R is N-nonyl, m is 8, and N is 7), 0.3 part by weight of accelerator 1, 3-propanediamine tetraacetic acid, 0.9 part by weight of interfacial agent 1-ethyl-3-methylimidazole trifluoroacetate, 0.7 part by weight of surfactant cocamidopropyl betaine, 0.2 part by weight of antistatic agent N, N-hydroxyethyl stearate amine borate monoester, 0.11 part by weight of insulating agent hexamethylsiloxane, 20 parts by weight of alcohol solvent ethanol, 0.95 part by weight of silane derivative gamma-mercaptopropyl trimethoxysilane, 0.45 part by weight of stabilizer 4, 4' -bis (2, 6-dimethyl-4-hydroxyphenyl) disulfide, 0.6 part by weight of thiourea, and 55 parts by weight of solvent oil No. 120 light solvent oil;
s2, adding the two-component penetrating agent, the accelerant, the surfactant, the silane derivative and the stabilizer accounting for 74 percent of the total dosage (namely 0.333 weight part) into the solvent oil at room temperature, heating to 33 ℃, and fully and uniformly stirring to obtain a mixture;
and S3, adding the interface assistant, the antistatic agent, the insulating agent, thiourea and the rest (namely 0.117 weight part) of the stabilizer into the mixture, fully stirring, adding the alcohol solvent, heating to 50 +/-2 ℃ under stirring, uniformly stirring, and naturally cooling to room temperature to obtain the online maintenance cleaning agent, wherein the name of the online maintenance cleaning agent is Q1.
Example 2: preparation of on-line maintenance cleaning agent
S1, respectively weighing 0.4 weight part of double-component penetrant (0.1 weight part of RO (C)2H4O)m(C3H6O)nH, a mixture of fatty alcohol polyethylene oxide polypropylene oxide and 0.3 part by weight of sodium diisooctyl sulfosuccinate, wherein R is n-hexyl, m is 10 and n is 5), 0.4 part by weight of accelerator 1, 3-propylenediamine tetraacetic acid, 0.6 part by weight of interfacial agent 1-ethyl-3-methylimidazolium trifluoroacetate, 1 part by weight of surfactant cocamidopropyl betaine, 0.1 part by weight of antistatic agentN, N-hydroxyethyl amine stearate boric acid monoester, 0.14 weight part of insulating agent hexamethyl siloxane, 15 weight parts of alcohol solvent N-propanol, 1.2 weight parts of silane derivative gamma-mercaptopropyl trimethoxy silane, 0.3 weight part of stabilizer 4, 4' -bis (2, 6-dimethyl-4-hydroxyphenyl) disulfide, 0.7 weight part of thiourea and 50 weight parts of solvent naphtha;
s2, adding the two-component penetrating agent, the accelerant, the surfactant, the silane derivative and 70% of stabilizer (namely 0.21 part by weight) of the total amount into the solvent oil at room temperature, heating to 30 ℃, and fully and uniformly stirring to obtain a mixture;
and S3, adding the interface assistant, the antistatic agent, the insulating agent, thiourea and the rest (namely 0.09 weight part) of the stabilizer into the mixture, fully stirring, adding the alcohol solvent, heating to 50 +/-2 ℃ under stirring, uniformly stirring, and naturally cooling to room temperature to obtain the online maintenance cleaning agent, wherein the name of the online maintenance cleaning agent is Q2.
Example 3: preparation of on-line maintenance cleaning agent
S1, respectively weighing 0.8 weight part of double-component penetrant (0.16 weight part of RO (C)2H4O)m(C3H6O)nH, a mixture of fatty alcohol polyethylene oxide polypropylene oxide and 0.64 part by weight of diisooctyl sulfosuccinate sodium, wherein R is N-dodecyl, m is 6, and N is 9), 0.2 part by weight of accelerator 1, 3-propanediamine tetraacetic acid, 1.2 parts by weight of interfacial agent 1-ethyl-3-methylimidazole trifluoroacetate, 0.4 part by weight of surfactant cocamidopropyl betaine, 0.3 part by weight of antistatic agent N, N-hydroxyethyl stearate amine borate monoester, 0.08 part by weight of insulating agent octamethylsiloxane, 25 parts by weight of alcoholic solvent N-butanol, 0.7 part by weight of silane derivative gamma-mercaptopropyl trimethoxysilane, 0.6 part by weight of stabilizer 4, 4' -bis (2, 6-dimethyl-4-hydroxyphenyl) disulfide, 0.5 part by weight of thiourea, and 60 parts by weight of mineral spirit No. 90 petroleum ether;
s2, adding the two-component penetrating agent, the accelerant, the surfactant, the silane derivative and the stabilizer accounting for 80 percent of the total amount (namely 0.48 weight part) into the solvent oil at room temperature, heating to 35 ℃, and fully and uniformly stirring to obtain a mixture;
and S3, adding the interface assistant, the antistatic agent, the insulating agent, thiourea and the rest (namely 0.12 part by weight) of the stabilizer into the mixture, fully stirring, adding the alcohol solvent, heating to 50 +/-2 ℃ under stirring, uniformly stirring, and naturally cooling to room temperature to obtain the online maintenance cleaning agent, wherein the name of the online maintenance cleaning agent is Q3.
Comparative examples 1 to 6: preparation of D1-D6
Comparative examples 1 to 3: the two-component osmotic agents of examples 1-3 were each replaced with the same amount of a single component RO (C)2H4O)m(C3H6O)nThe procedure was unchanged except for the fatty alcohol polyethylene oxide polypropylene oxide of H (wherein R, m and n each correspond to the corresponding definitions in examples 1-3), to give comparative examples 1-3, and the resulting cleaning agents were designated D1, D2 and D3 in that order.
Comparative examples 4 to 6: comparative examples 4-6 were obtained by replacing the two-component penetrants of examples 1-3 with the same amount of the single component sodium diisooctyl sulfosuccinate, respectively, and the resulting cleaners were designated as D4, D5, and D6 in that order.
Comparative examples 7 to 9: preparation of D7-D9
Examples 1-3 were repeated except that the accelerators were replaced with the other accelerators of Table 1 below to obtain comparative examples 7-9, the accelerators used, the correspondences and the resulting cleaning agents being given the nomenclature given in Table 1 below:
TABLE 1
Comparative examples 10 to 15: preparation of D10-D15
Comparative examples 10 to 12: comparative examples 10 to 12 were obtained by changing the interfacial agent 1-ethyl-3-methylimidazole trifluoroacetate in examples 1 to 3 to 1-ethyl-3-methylimidazole nitrate, respectively, and the resulting cleaning agents were named D10, D11 and D12 in this order.
Comparative examples 13 to 15: comparative examples 13 to 15 were obtained by replacing the interfacial agent 1-ethyl-3-methylimidazole trifluoroacetate in examples 1 to 3 with 1-ethyl-3-methylimidazole dinitrile amine salt, respectively, and the resulting cleaning agents were named D13, D14 and D15 in this order.
Comparative examples 16 to 18: preparation of D16-D18
Comparative examples 16 to 18 were obtained by changing the surfactant cocamidopropyl betaine of examples 1 to 3 to laureth (20) respectively, and the resulting cleaning agents were named D16, D17 and D18 in this order.
Comparative examples 19 to 24: preparation of D19-D24
Comparative examples 19 to 21: comparative examples 19-21 were obtained by changing the antistatic agent N, N-hydroxyethyl amine stearate boric acid monoester of examples 1-3 to N-octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate, respectively, and the resulting cleaning agents were named D19, D20, and D21 in this order.
Comparative examples 22 to 24: comparative examples 22-24 were obtained by replacing the antistatic agent N, N-hydroxyethyl amine stearate boric acid monoester of examples 1-3 with dodecyltrimethylammonium chloride, respectively, and the resulting cleaning agents were designated D22, D23, and D24, respectively, without changing the other operations.
Comparative examples 25 to 27: preparation of D25-D27
Examples 1-3 were repeated except that the stabilizers were replaced with the other stabilizers of Table 1 below to obtain comparative examples 25-27, and the stabilizers used, the correspondences and the resulting cleaning agents are given the nomenclature shown in Table 2 below:
TABLE 2
Comparative examples 28 to 30: preparation of D28-D30
Comparative examples 28 to 30 were obtained by omitting the silane derivatives of examples 1 to 3, respectively, and carrying out the same operations, and the resulting cleaning agents were designated as D28, D29 and D30 in this order.
Performance testing
The cleaning agents obtained in the above examples and comparative examples were measured for various performance indexes immediately after the preparation thereof, and the results are as follows.
1. Electrical Performance testing
Insulation resistance, pollution flashover voltage and breakdown voltage were measured for electrical properties, and the measurement methods for these indices are well-known methods and will not be described in detail herein, and the results are shown in table 3 below.
TABLE 3
As can be seen from the data in table 3 above: 1. Q1-Q3 had the best electrical performance, being very high in insulation resistance, pollution flashover voltage, or breakdown voltage; 2. when the two-component penetrant is replaced by any single component, the electrical performance is reduced, particularly the pollution flashover voltage is obviously reduced, and the performance is obviously reduced due to the change of the components when the cleaning agent is used in a pollution flashover test (the electrical performance is seriously influenced by the existence of pollutants); 3. most surprisingly, the type of antistatic agent can significantly affect the final electrical properties, while the insulation voltage does not affect much, but can significantly affect the pollution flashover voltage and breakdown voltage (see D19-D24) to minimize their effectiveness, which demonstrates the unpredictable effect of the choice of antistatic agent type; 4. the omission of the silane derivative results in a very significant reduction in electrical properties, especially the worst insulation voltage (see D28-D30); 5. the change of the kind of the interface assistant also obviously reduces the electrical performance (see D10-D15).
2. Storage stability test
After the preparation was completed immediately (i.e., "0 day"), the physical form of each detergent was observed, then sealed, and stored in the dark at normal temperature, and the forms were observed at 30 days, 60 days, and 120 days, respectively, to examine the long-term stability of each detergent, and the results are shown in table 4 below.
TABLE 4
In the above description, "v" means that the physical form is "uniform and clear," no precipitation and no delamination "," v "means that the physical form is" delamination and floc, "and" × "means that the physical form is" delamination and sedimentation "" sedimentation "means that the stability is worse than that of" floc, "that is, the physical forms of" v ", and" × "are deteriorated in order as a whole.
It can be seen from this that: 1. when the two-component penetrant is replaced by any one single component, the layering phenomenon occurs at 120 days; 2. when the surfactant was changed, delamination occurred on day 60; 3. the influence of the stabilizer is the most remarkable, although the structure of the stabilizer D25-D27 is not very different from that of the stabilizer Q1-Q3, the stability performance is remarkably reduced, and even obvious precipitates appear at 120 days, so that the stabilizer has the worst stability; 4. when the silane derivative was omitted, delamination occurred at day 120.
In addition, the applicant also considers the stability performance of the cleaning agent obtained finally by the adding sequence of the components in the steps of the preparation method, and the stability performance is specifically as follows:
examples 4 to 9: preparation of on-line maintenance cleaning agent
Examples 4 to 6: all the stabilizers were added at once in step S2, i.e., no stabilizer was added in step S3, examples 1-3 were repeated to obtain examples 4-6, and the resulting cleaners were named Q4, Q5, and Q6 in this order.
Examples 7 to 9: all the stabilizers were added at once in step S3, i.e., no stabilizer was added in step S2, examples 1-3 were repeated to obtain examples 7-9, and the resulting cleaners were named Q7, Q8, and Q9 in this order.
The stability of Q4-Q9 was tested according to the same test method as described above, and the stability results of Q1-Q3 are shown together for comparison, and the specific results are shown in Table 6 below.
TABLE 6
Here, "v √," √ "and" v "have the same meanings as above.
It can be seen that when the stabilizer is not added in steps and in different amounts as described in the present invention, a significant reduction in the stability is caused, especially when it is added in the entire step S3 at one time, the reduction in stability is most significant (see Q7-Q9). Thus demonstrating the importance and non-obvious effect of such operations.
Cleaning performance test for power transmission and transformation equipment
The cleaning agents are subjected to maintenance cleaning performance test, specifically, the cleaning agents are atomized by a conventional means and sprayed onto a high-voltage insulator, so that the maintenance cleaning performance is investigated, and the shell pinorebutanol value (KB value) and the residual ion pollution degree (mu g NaCl/cm) are mainly investigated2)。
Among them, the KB value test method is a well-known conventional method for measuring dissolved oil contamination, and the degree of residual ion contamination is an index for measuring ion cleaning ability, and the test methods for both of these indexes are well-known and will not be described in detail herein.
The KB value and the residual ion contamination degree are average values of all groups of cleaning agents, and specific results are shown in the following table 5.
TABLE 5
As can be seen from the data in table 5 above: 1. Q1-Q3 had the best cleaning performance; 2. when the double-component penetrant is replaced by any one single component, the KB value and the residual ion pollution degree index are obviously deteriorated; 3. the species of accelerators and interfacial aids changed, leading to the most significant deterioration of KB values and residual ionic contamination indicators (see D7-D15), which demonstrates the importance and unpredictability of the choice of the species of accelerators and interfacial aids; 4. the variety of the surfactant is changed, and the cleaning performance is also obviously reduced; 5. the change and/or omission of antistatic agents, stabilizers and silane derivatives has little effect on cleaning performance.
As described above, the invention provides the online maintenance cleaning method of the power transmission and transformation equipment using the novel online maintenance cleaning agent, the online maintenance cleaning method has good various performances by using the online maintenance cleaning agent with the selection and the synergistic effect of specific components and the specific preparation method of the cleaning agent, so that the method can be used for the field of electric power, especially the online cleaning and maintenance of the power transmission and transformation equipment, does not need power failure operation, greatly improves the maintenance efficiency, does not cause any influence on the downstream power consumption, and has good application value and popularization potential.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.
Claims (2)
1. An online maintenance cleaning method for power transmission and transformation equipment comprises the steps of atomizing an online maintenance cleaning agent, and spraying the atomized online maintenance cleaning agent into power transmission and transformation equipment to be maintained and cleaned, so as to complete the online maintenance cleaning method;
the online maintenance cleaning agent comprises a bi-component penetrating agent, an accelerant, an interface additive, a surfactant, an antistatic agent, an insulating agent, an alcohol solvent, a silane derivative, a stabilizer, thiourea and solvent oil;
the online maintenance cleaning agent comprises the following specific components in parts by weight:
the bi-component penetrating agent has a structural formula of RO (C)2H4O)m(C3H6O)nH, a mixture of fatty alcohol polyethylene oxide polypropylene oxide and sodium diisooctyl sulfosuccinate, wherein the mass ratio of the fatty alcohol polyethylene oxide polypropylene oxide to the sodium diisooctyl sulfosuccinate is 1: 3-4;
the accelerator is 1, 3-propylene diamine tetraacetic acid;
the interface additive is 1-ethyl-3-methylimidazole trifluoroacetate;
the surfactant is cocamidopropyl betaine;
the antistatic agent is N, N-hydroxyethyl amine stearate boric acid monoester;
the stabilizer is 4, 4' -bis (2, 6-dimethyl-4-hydroxyphenyl) disulfide.
2. The on-line maintenance cleaning method according to claim 1, wherein: the silane derivative is gamma-mercaptopropyl-trimethoxysilane.
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| CN102703237A (en) * | 2012-05-13 | 2012-10-03 | 合肥市朗清设备清洗有限公司 | Antistatic environment-friendly communication equipment electrified cleaning agent |
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