CN113560261A - Oil and rust removing treatment method for transformer surface - Google Patents

Oil and rust removing treatment method for transformer surface Download PDF

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Publication number
CN113560261A
CN113560261A CN202110890146.8A CN202110890146A CN113560261A CN 113560261 A CN113560261 A CN 113560261A CN 202110890146 A CN202110890146 A CN 202110890146A CN 113560261 A CN113560261 A CN 113560261A
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CN
China
Prior art keywords
parts
transformer
rust
oil
drying
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Pending
Application number
CN202110890146.8A
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Chinese (zh)
Inventor
朱国勤
赵家春
朱国荣
朱义红
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Jurong Jiangdian Electrical Machinery Co ltd
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Jurong Jiangdian Electrical Machinery Co ltd
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Priority to CN202110890146.8A priority Critical patent/CN113560261A/en
Publication of CN113560261A publication Critical patent/CN113560261A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • B08B1/12
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/08Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure

Abstract

The invention discloses a transformer surface oil and rust removing treatment method, which comprises the following steps: step 1, preprocessing a transformer: the transformer that selects to carry out the clearance is reserve, later with transformer handling to the cleaning box in, the rivers that will spray equipment input 5.4 ㎫ carry out the clearance in advance to the mud dust on transformer surface etc. carry out quick corresponding adjustment to spray equipment's spray rinsing angle and spray rinsing position etc. afterwards according to control system, can carry out comprehensive cleaning work to the transformer surface, later carry the transformer stoving incasement with the transformer and carry out drying work, it is reserve to obtain the transformer that the clearance was accomplished in advance. According to the invention, the transformer is processed and cleaned in the steps, the condition that the adjacent steps are interfered with each other is avoided, and the nitrogen and ultrasonic generator is additionally arranged in the oil removing step to drive the cleaning liquid in the soaking tank to turn over and vibrate, so that the impact cleaning of the transformer is realized, the falling and stripping of oil stains are accelerated, and the overall purification efficiency is improved.

Description

Oil and rust removing treatment method for transformer surface
Technical Field
The invention relates to the related technical field of transformers, in particular to a transformer surface oil and rust removing treatment method.
Background
After the transformer is used for a long period, the surface of the transformer is very easy to rust and oil stains on the surface, and the transformer needs to be cleaned in an auxiliary manner, so that the good working state of the transformer is ensured.
The existing treatment method cannot perform step-by-step cleaning work on the transformer when in operation, so that the cleaning processes are mutually interfered, the cleaning precision is reduced, the cleaning efficiency is low, the cleaning cycle span is long, the rework rate of workers is increased, meanwhile, the oil removing agent in the existing treatment method has poor using effect, oil stains cannot be rapidly stripped, the surface of the transformer cannot be protected during oil stain stripping, and the aging damage of the transformer is accelerated.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the transformer cannot be cleaned step by step, cleaning processes are mutually interfered, the cleaning precision is reduced, the cleaning efficiency is low, the cleaning cycle span is long, the rework rate of workers is increased, and meanwhile, the oil removing agent in the prior treatment method has poor use effect and cannot rapidly strip oil stains.
In order to achieve the purpose, the invention provides the following technical scheme: a transformer surface oil and rust removing treatment method comprises the following steps:
step 1, preprocessing a transformer: selecting a transformer to be cleaned for later use, hoisting the transformer into a cleaning box, inputting 5.4MPa of water flow into a spraying device to pre-clean sludge, dust and the like on the surface of the transformer, then quickly and correspondingly adjusting the spraying angle, the spraying direction and the like of the spraying device according to a control system, performing comprehensive cleaning work on the surface of the transformer, and then conveying the transformer into a drying box to perform drying work to obtain the transformer to be cleaned for later use;
step 2, deoiling treatment of the transformer: placing the transformer obtained in the step 1 in a soaking box, heating warm water at 35-45 ℃ in the soaking box, then adding 15% of degreasing agent into the water, correspondingly mixing and uniformly stirring to achieve the soaking treatment of the transformer, continuously soaking for 10-15min, controlling the water temperature to be 65-75 ℃, and continuously flushing nitrogen into the soaking box for 8-10min in the soaking process to realize the degreasing process of the surface of the transformer;
step 3, primary drying and processing: carrying out surface spray washing on the transformer subjected to the oil removing procedure by the transformer obtained in the step 2 through spray equipment to avoid the residue of an oil removing agent on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer for standby after the oil removing procedure is completed;
step 4, derusting the transformer: placing the transformer obtained in the step 3 in a cleaning box again, filling a rust remover into atomizing equipment for later use, then spraying the rust remover to the rust position on the surface of the transformer by a worker holding the atomizing equipment, standing for 5-7min, then carrying out reinforcement cleaning work on the rust position by using the scrubbing equipment, then preparing for secondary spraying on the rust position on the surface of the transformer, standing for 3-5min again, cleaning the rust position by using the scrubbing equipment again, and repeating the work until the rust position on the surface of the transformer is completely cleaned, so as to obtain the transformer with the rust removed for later use;
and 5, secondary drying processing: carrying out surface spray washing on the transformer subjected to the rust removal process by using the transformer obtained in the step 4 through a spray device to avoid the rust remover from remaining on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer finished with the rust removal process for later use;
step 6, surface detection treatment: the transformer after oil removal and rust removal is conveyed into the detection unit for detection, so that the comprehensive detection of the oil removal and rust removal effects on the surface of the transformer is realized, the transformer is taken out of a warehouse after meeting a qualified standard, and if the transformer does not meet the requirement, the work is repeated to perform secondary cleaning work.
Preferably, the drying temperature of the drying box in the step 1 is controlled to be 40-60 ℃ for drying treatment by circulating air, and the drying is continued for 5-8 min.
Preferably, the ultrasonic generator is installed at the bottom end in the soaking tank in the step 2, opening and closing work can be performed in the soaking and cleaning process, and the precision of oil removal work is improved.
Preferably, the oil removing agent in the step 2 comprises the following components in parts by weight:
7-9 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium hydroxide, 1.5-2.3 parts of sodium bicarbonate, 2-4 parts of ethylene glycol monoethyl ether, 6-9 parts of a biosurfactant, 10-12 parts of sodium phosphate, 7-8 parts of polyaspartic acid, 5-8 parts of polyvinyl ether sodium sulfate, 4-6 parts of catechol and 4-7 parts of a metal protective agent.
Preferably, the composition also comprises the following components in parts by mass: 0.5-1.5 parts of fatty acid and 0.8-1.6 parts of cellulose plum.
Preferably, the metal protectant is a salt of a metal.
Preferably, the composition comprises the following components in parts by mass: 7-9 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium hydroxide, 1.5-2.3 parts of sodium bicarbonate, 2-4 parts of ethylene glycol monoethyl ether, 6-9 parts of a biosurfactant, 10-12 parts of sodium phosphate, 7-8 parts of polyaspartic acid, 5-8 parts of polyvinyl ether sodium sulfate, 4-6 parts of catechol, 4-7 parts of a metal protective agent, 0.5-1.5 parts of fatty acid and 0.8-1.6 parts of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 7 parts of fatty alcohol-polyoxyethylene ether, 1 part of sodium hydroxide, 1.5 parts of sodium bicarbonate, 2 parts of ethylene glycol monoethyl ether, 6 parts of a biosurfactant, 10 parts of sodium phosphate, 7 parts of polyaspartic acid, 5 parts of polyvinyl ether sodium sulfate, 4 parts of catechol, 4 parts of a metal protective agent, 0.5 part of fatty acid and 0.8 part of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 8 parts of fatty alcohol-polyoxyethylene ether, 1.5 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 3 parts of ethylene glycol monoethyl ether, 8 parts of a biosurfactant, 11 parts of sodium phosphate, 7.5 parts of polyaspartic acid, 6 parts of polyvinyl ether sodium sulfate, 5 parts of catechol, 6 parts of a metal protective agent, 1 part of fatty acid and 1.2 parts of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 9 parts of fatty alcohol-polyoxyethylene ether, 2 parts of sodium hydroxide, 2.3 parts of sodium bicarbonate, 4 parts of ethylene glycol monoethyl ether, 9 parts of a biosurfactant, 12 parts of sodium phosphate, 8 parts of polyaspartic acid, 8 parts of polyvinyl ether sodium sulfate, 6 parts of catechol, 7 parts of a metal protective agent, 1.5 parts of fatty acid and 1.6 parts of cellulose plum.
The invention has the technical effects and advantages that:
1. the invention can gradually carry out auxiliary cleaning on the surface of the transformer by utilizing the rust removing process, the oil removing process and the like, improves the overall cleaning precision, avoids the condition of mutual interference between adjacent processes by processing and cleaning the transformer by the step-by-step process, has high overall cleaning effect, can continuously carry out cleaning work on a plurality of groups of transformers, reduces the labor intensity of workers, can be widely applied to different working conditions, can carry out rechecking detection on the oil removing and rust removing effects of the transformer after the cleaning is finished by adding the surface detection process, can carry out rework cleaning on unqualified transformers, further improves the overall treatment precision, and drives the cleaning solution in the soaking tank to carry out tumble vibration by adding the nitrogen and the ultrasonic generator in the oil removing process, realizes impact cleaning on the transformer, and accelerates the peeling off of oil stains, the whole purification efficiency is improved, and the energy conservation and the environmental protection are realized.
2. The degreasing agent prepared by the invention has strong degreasing capability and good decontamination effect, is convenient for workers to operate and use, the steel surface cleaned by the degreasing powder has no visible oil film or oil spots, polyoxyethylene ether sodium sulfate is added into the degreasing agent, two hydrophilic groups with different properties exist in the molecule, and the molecules can be quickly mutually dissolved with oil stains, so that the adhesion of the oil stains and the metal matrix surface is reduced, the oil stains are peeled off, the oil stains enter the degreasing agent, and the metal protective agent is added into the degreasing agent, so that the surface of a transformer can be protected in the cleaning process, and the conditions of dullness and decoloration of the surface of the transformer in the cleaning process are avoided.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A transformer surface oil and rust removing treatment method comprises the following steps:
step 1, preprocessing a transformer: selecting a transformer to be cleaned for later use, hoisting the transformer into a cleaning box, inputting 5.4MPa of water flow into a spraying device to pre-clean sludge, dust and the like on the surface of the transformer, then quickly and correspondingly adjusting the spraying angle, the spraying direction and the like of the spraying device according to a control system, performing comprehensive cleaning work on the surface of the transformer, and then conveying the transformer into a drying box to perform drying work to obtain the transformer to be cleaned for later use;
step 2, deoiling treatment of the transformer: placing the transformer obtained in the step 1 in a soaking box, heating warm water at 35-45 ℃ in the soaking box, then adding 15% of degreasing agent into the water, correspondingly mixing and uniformly stirring to achieve the soaking treatment of the transformer, continuously soaking for 10-15min, controlling the water temperature to be 65-75 ℃, and continuously flushing nitrogen into the soaking box for 8-10min in the soaking process to realize the degreasing process of the surface of the transformer;
step 3, primary drying and processing: carrying out surface spray washing on the transformer subjected to the oil removing procedure by the transformer obtained in the step 2 through spray equipment to avoid the residue of an oil removing agent on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer for standby after the oil removing procedure is completed;
step 4, derusting the transformer: placing the transformer obtained in the step 3 in a cleaning box again, filling a rust remover into atomizing equipment for later use, then spraying the rust remover to the rust position on the surface of the transformer by a worker holding the atomizing equipment, standing for 5-7min, then carrying out reinforcement cleaning work on the rust position by using the scrubbing equipment, then preparing for secondary spraying on the rust position on the surface of the transformer, standing for 3-5min again, cleaning the rust position by using the scrubbing equipment again, and repeating the work until the rust position on the surface of the transformer is completely cleaned, so as to obtain the transformer with the rust removed for later use;
and 5, secondary drying processing: carrying out surface spray washing on the transformer subjected to the rust removal process by using the transformer obtained in the step 4 through a spray device to avoid the rust remover from remaining on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer finished with the rust removal process for later use;
step 6, surface detection treatment: the transformer after oil removal and rust removal is conveyed into the detection unit for detection, so that the comprehensive detection of the oil removal and rust removal effects on the surface of the transformer is realized, the transformer is taken out of a warehouse after meeting a qualified standard, and if the transformer does not meet the requirement, the work is repeated to perform secondary cleaning work.
Preferably, the drying temperature of the drying box in the step 1 is controlled to be 40-60 ℃ for drying treatment by circulating air, and the drying is continued for 5-8 min.
Preferably, the ultrasonic generator is installed at the bottom end in the soaking tank in the step 2, opening and closing work can be performed in the soaking and cleaning process, and the precision of oil removal work is improved.
Preferably, the oil removing agent in the step 2 comprises the following components in parts by weight:
7 parts of fatty alcohol-polyoxyethylene ether, 1 part of sodium hydroxide, 1.5 parts of sodium bicarbonate, 2 parts of ethylene glycol monoethyl ether, 6 parts of a biosurfactant, 10 parts of sodium phosphate, 7 parts of polyaspartic acid, 5 parts of polyvinyl ether sodium sulfate, 4 parts of catechol and 4 parts of a metal protective agent.
Preferably, the composition also comprises the following components in parts by mass: 0.5 part of fatty acid and 0.8 part of cellulose plum.
Preferably, the metal protectant is a salt of a metal.
Preferably, the composition comprises the following components in parts by mass: 7-9 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium hydroxide, 1.5-2.3 parts of sodium bicarbonate, 2-4 parts of ethylene glycol monoethyl ether, 6-9 parts of a biosurfactant, 10-12 parts of sodium phosphate, 7-8 parts of polyaspartic acid, 5-8 parts of polyvinyl ether sodium sulfate, 4-6 parts of catechol, 4-7 parts of a metal protective agent, 0.5-1.5 parts of fatty acid and 0.8-1.6 parts of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 7 parts of fatty alcohol-polyoxyethylene ether, 1 part of sodium hydroxide, 1.5 parts of sodium bicarbonate, 2 parts of ethylene glycol monoethyl ether, 6 parts of a biosurfactant, 10 parts of sodium phosphate, 7 parts of polyaspartic acid, 5 parts of polyvinyl ether sodium sulfate, 4 parts of catechol, 4 parts of a metal protective agent, 0.5 part of fatty acid and 0.8 part of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 8 parts of fatty alcohol-polyoxyethylene ether, 1.5 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 3 parts of ethylene glycol monoethyl ether, 8 parts of a biosurfactant, 11 parts of sodium phosphate, 7.5 parts of polyaspartic acid, 6 parts of polyvinyl ether sodium sulfate, 5 parts of catechol, 6 parts of a metal protective agent, 1 part of fatty acid and 1.2 parts of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 9 parts of fatty alcohol-polyoxyethylene ether, 2 parts of sodium hydroxide, 2.3 parts of sodium bicarbonate, 4 parts of ethylene glycol monoethyl ether, 9 parts of a biosurfactant, 12 parts of sodium phosphate, 8 parts of polyaspartic acid, 8 parts of polyvinyl ether sodium sulfate, 6 parts of catechol, 7 parts of a metal protective agent, 1.5 parts of fatty acid and 1.6 parts of cellulose plum.
Example 2
A transformer surface oil and rust removing treatment method comprises the following steps:
step 1, preprocessing a transformer: selecting a transformer to be cleaned for later use, hoisting the transformer into a cleaning box, inputting 5.4MPa of water flow into a spraying device to pre-clean sludge, dust and the like on the surface of the transformer, then quickly and correspondingly adjusting the spraying angle, the spraying direction and the like of the spraying device according to a control system, performing comprehensive cleaning work on the surface of the transformer, and then conveying the transformer into a drying box to perform drying work to obtain the transformer to be cleaned for later use;
step 2, deoiling treatment of the transformer: placing the transformer obtained in the step 1 in a soaking box, heating warm water at 35-45 ℃ in the soaking box, then adding 15% of degreasing agent into the water, correspondingly mixing and uniformly stirring to achieve the soaking treatment of the transformer, continuously soaking for 10-15min, controlling the water temperature to be 65-75 ℃, and continuously flushing nitrogen into the soaking box for 8-10min in the soaking process to realize the degreasing process of the surface of the transformer;
step 3, primary drying and processing: carrying out surface spray washing on the transformer subjected to the oil removing procedure by the transformer obtained in the step 2 through spray equipment to avoid the residue of an oil removing agent on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer for standby after the oil removing procedure is completed;
step 4, derusting the transformer: placing the transformer obtained in the step 3 in a cleaning box again, filling a rust remover into atomizing equipment for later use, then spraying the rust remover to the rust position on the surface of the transformer by a worker holding the atomizing equipment, standing for 5-7min, then carrying out reinforcement cleaning work on the rust position by using the scrubbing equipment, then preparing for secondary spraying on the rust position on the surface of the transformer, standing for 3-5min again, cleaning the rust position by using the scrubbing equipment again, and repeating the work until the rust position on the surface of the transformer is completely cleaned, so as to obtain the transformer with the rust removed for later use;
and 5, secondary drying processing: carrying out surface spray washing on the transformer subjected to the rust removal process by using the transformer obtained in the step 4 through a spray device to avoid the rust remover from remaining on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer finished with the rust removal process for later use;
step 6, surface detection treatment: the transformer after oil removal and rust removal is conveyed into the detection unit for detection, so that the comprehensive detection of the oil removal and rust removal effects on the surface of the transformer is realized, the transformer is taken out of a warehouse after meeting a qualified standard, and if the transformer does not meet the requirement, the work is repeated to perform secondary cleaning work.
Preferably, the drying temperature of the drying box in the step 1 is controlled to be 40-60 ℃ for drying treatment by circulating air, and the drying is continued for 5-8 min.
Preferably, the ultrasonic generator is installed at the bottom end in the soaking tank in the step 2, opening and closing work can be performed in the soaking and cleaning process, and the precision of oil removal work is improved.
Preferably, the oil removing agent in the step 2 comprises the following components in parts by weight:
8 parts of fatty alcohol-polyoxyethylene ether, 1.5 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 3 parts of ethylene glycol monoethyl ether, 8 parts of a biosurfactant, 11 parts of sodium phosphate, 7.5 parts of polyaspartic acid, 7 parts of polyvinyl ether sodium sulfate, 5 parts of catechol and 6 parts of a metal protective agent.
Preferably, the composition also comprises the following components in parts by mass: 1 part of fatty acid and 1 part of cellulose plum.
Preferably, the metal protectant is a salt of a metal.
Preferably, the composition comprises the following components in parts by mass: 7-9 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium hydroxide, 1.5-2.3 parts of sodium bicarbonate, 2-4 parts of ethylene glycol monoethyl ether, 6-9 parts of a biosurfactant, 10-12 parts of sodium phosphate, 7-8 parts of polyaspartic acid, 5-8 parts of polyvinyl ether sodium sulfate, 4-6 parts of catechol, 4-7 parts of a metal protective agent, 0.5-1.5 parts of fatty acid and 0.8-1.6 parts of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 7 parts of fatty alcohol-polyoxyethylene ether, 1 part of sodium hydroxide, 1.5 parts of sodium bicarbonate, 2 parts of ethylene glycol monoethyl ether, 6 parts of a biosurfactant, 10 parts of sodium phosphate, 7 parts of polyaspartic acid, 5 parts of polyvinyl ether sodium sulfate, 4 parts of catechol, 4 parts of a metal protective agent, 0.5 part of fatty acid and 0.8 part of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 8 parts of fatty alcohol-polyoxyethylene ether, 1.5 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 3 parts of ethylene glycol monoethyl ether, 8 parts of a biosurfactant, 11 parts of sodium phosphate, 7.5 parts of polyaspartic acid, 6 parts of polyvinyl ether sodium sulfate, 5 parts of catechol, 6 parts of a metal protective agent, 1 part of fatty acid and 1.2 parts of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 9 parts of fatty alcohol-polyoxyethylene ether, 2 parts of sodium hydroxide, 2.3 parts of sodium bicarbonate, 4 parts of ethylene glycol monoethyl ether, 9 parts of a biosurfactant, 12 parts of sodium phosphate, 8 parts of polyaspartic acid, 8 parts of polyvinyl ether sodium sulfate, 6 parts of catechol, 7 parts of a metal protective agent, 1.5 parts of fatty acid and 1.6 parts of cellulose plum.
Example 3
A transformer surface oil and rust removing treatment method comprises the following steps:
step 1, preprocessing a transformer: selecting a transformer to be cleaned for later use, hoisting the transformer into a cleaning box, inputting 5.4MPa of water flow into a spraying device to pre-clean sludge, dust and the like on the surface of the transformer, then quickly and correspondingly adjusting the spraying angle, the spraying direction and the like of the spraying device according to a control system, performing comprehensive cleaning work on the surface of the transformer, and then conveying the transformer into a drying box to perform drying work to obtain the transformer to be cleaned for later use;
step 2, deoiling treatment of the transformer: placing the transformer obtained in the step 1 in a soaking box, heating warm water at 35-45 ℃ in the soaking box, then adding 15% of degreasing agent into the water, correspondingly mixing and uniformly stirring to achieve the soaking treatment of the transformer, continuously soaking for 10-15min, controlling the water temperature to be 65-75 ℃, and continuously flushing nitrogen into the soaking box for 8-10min in the soaking process to realize the degreasing process of the surface of the transformer;
step 3, primary drying and processing: carrying out surface spray washing on the transformer subjected to the oil removing procedure by the transformer obtained in the step 2 through spray equipment to avoid the residue of an oil removing agent on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer for standby after the oil removing procedure is completed;
step 4, derusting the transformer: placing the transformer obtained in the step 3 in a cleaning box again, filling a rust remover into atomizing equipment for later use, then spraying the rust remover to the rust position on the surface of the transformer by a worker holding the atomizing equipment, standing for 5-7min, then carrying out reinforcement cleaning work on the rust position by using the scrubbing equipment, then preparing for secondary spraying on the rust position on the surface of the transformer, standing for 3-5min again, cleaning the rust position by using the scrubbing equipment again, and repeating the work until the rust position on the surface of the transformer is completely cleaned, so as to obtain the transformer with the rust removed for later use;
and 5, secondary drying processing: carrying out surface spray washing on the transformer subjected to the rust removal process by using the transformer obtained in the step 4 through a spray device to avoid the rust remover from remaining on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer finished with the rust removal process for later use;
step 6, surface detection treatment: the transformer after oil removal and rust removal is conveyed into the detection unit for detection, so that the comprehensive detection of the oil removal and rust removal effects on the surface of the transformer is realized, the transformer is taken out of a warehouse after meeting a qualified standard, and if the transformer does not meet the requirement, the work is repeated to perform secondary cleaning work.
Preferably, the drying temperature of the drying box in the step 1 is controlled to be 40-60 ℃ for drying treatment by circulating air, and the drying is continued for 5-8 min.
Preferably, the ultrasonic generator is installed at the bottom end in the soaking tank in the step 2, opening and closing work can be performed in the soaking and cleaning process, and the precision of oil removal work is improved.
Preferably, the oil removing agent in the step 2 comprises the following components in parts by weight:
9 parts of fatty alcohol-polyoxyethylene ether, 2 parts of sodium hydroxide, 2.3 parts of sodium bicarbonate, 4 parts of ethylene glycol monoethyl ether, 9 parts of a biosurfactant, 12 parts of sodium phosphate, 8 parts of polyaspartic acid, 8 parts of polyvinyl ether sodium sulfate, 6 parts of catechol and 7 parts of a metal protective agent.
Preferably, the composition also comprises the following components in parts by mass: 1.5 parts of fatty acid and 1.6 parts of cellulose plum.
Preferably, the metal protectant is a salt of a metal.
Preferably, the composition comprises the following components in parts by mass: 7-9 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium hydroxide, 1.5-2.3 parts of sodium bicarbonate, 2-4 parts of ethylene glycol monoethyl ether, 6-9 parts of a biosurfactant, 10-12 parts of sodium phosphate, 7-8 parts of polyaspartic acid, 5-8 parts of polyvinyl ether sodium sulfate, 4-6 parts of catechol, 4-7 parts of a metal protective agent, 0.5-1.5 parts of fatty acid and 0.8-1.6 parts of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 7 parts of fatty alcohol-polyoxyethylene ether, 1 part of sodium hydroxide, 1.5 parts of sodium bicarbonate, 2 parts of ethylene glycol monoethyl ether, 6 parts of a biosurfactant, 10 parts of sodium phosphate, 7 parts of polyaspartic acid, 5 parts of polyvinyl ether sodium sulfate, 4 parts of catechol, 4 parts of a metal protective agent, 0.5 part of fatty acid and 0.8 part of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 8 parts of fatty alcohol-polyoxyethylene ether, 1.5 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 3 parts of ethylene glycol monoethyl ether, 8 parts of a biosurfactant, 11 parts of sodium phosphate, 7.5 parts of polyaspartic acid, 6 parts of polyvinyl ether sodium sulfate, 5 parts of catechol, 6 parts of a metal protective agent, 1 part of fatty acid and 1.2 parts of cellulose plum.
Preferably, the composition comprises the following components in parts by mass: 9 parts of fatty alcohol-polyoxyethylene ether, 2 parts of sodium hydroxide, 2.3 parts of sodium bicarbonate, 4 parts of ethylene glycol monoethyl ether, 9 parts of a biosurfactant, 12 parts of sodium phosphate, 8 parts of polyaspartic acid, 8 parts of polyvinyl ether sodium sulfate, 6 parts of catechol, 7 parts of a metal protective agent, 1.5 parts of fatty acid and 1.6 parts of cellulose plum.
EXAMPLE 4
The oil removal efficiency and the oil removal precision of a common oil removal agent on the market and the oil removal agents prepared in the embodiments 1, 2 and 3 of the invention are compared and tested.
The test results are given in the following table:
Figure BDA0003195646250000111
the results in the above table show that the degreasing agent prepared by the invention has strong degreasing capability and good decontamination effect, is convenient for workers to operate and use, the steel surface cleaned by the degreasing powder has no visible oil film or oil spots, and the metal protective agent is added in the degreasing agent, so that the surface of the transformer can be protected in the cleaning process, and the conditions of dullness and decoloration of the surface of the transformer in the cleaning process are avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (10)

1. A transformer surface oil and rust removing treatment method is characterized in that:
the method comprises the following steps:
step 1, preprocessing a transformer: selecting a transformer to be cleaned for later use, hoisting the transformer into a cleaning box, inputting 5.4 ㎫ water flow into a spraying device to pre-clean sludge, dust and the like on the surface of the transformer, then quickly and correspondingly adjusting the spraying angle, the spraying direction and the like of the spraying device according to a control system, performing comprehensive cleaning work on the surface of the transformer, and then conveying the transformer into a drying box to perform drying work to obtain the transformer to be cleaned for later use;
step 2, deoiling treatment of the transformer: placing the transformer obtained in the step 1 in a soaking box, heating warm water at 35-45 ℃ in the soaking box, then adding 15% of degreasing agent into the water, correspondingly mixing and uniformly stirring to achieve the soaking treatment of the transformer, continuously soaking for 10-15min, controlling the water temperature to be 65-75 ℃, and continuously flushing nitrogen into the soaking box for 8-10min in the soaking process to realize the degreasing process of the surface of the transformer;
step 3, primary drying and processing: carrying out surface spray washing on the transformer subjected to the oil removing procedure by the transformer obtained in the step 2 through spray equipment to avoid the residue of an oil removing agent on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer for standby after the oil removing procedure is completed;
step 4, derusting the transformer: placing the transformer obtained in the step 3 in a cleaning box again, filling a rust remover into atomizing equipment for later use, then spraying the rust remover to the rust position on the surface of the transformer by a worker holding the atomizing equipment, standing for 5-7min, then carrying out reinforcement cleaning work on the rust position by using the scrubbing equipment, then preparing for secondary spraying on the rust position on the surface of the transformer, standing for 3-5min again, cleaning the rust position by using the scrubbing equipment again, and repeating the work until the rust position on the surface of the transformer is completely cleaned, so as to obtain the transformer with the rust removed for later use;
and 5, secondary drying processing: carrying out surface spray washing on the transformer subjected to the rust removal process by using the transformer obtained in the step 4 through a spray device to avoid the rust remover from remaining on the surface of the transformer, then conveying the transformer into a drying box, controlling the drying temperature to be 40-60 ℃ and carrying out circulating air drying treatment, and continuously drying for 5-8min to obtain a transformer finished with the rust removal process for later use;
step 6, surface detection treatment: the transformer after oil removal and rust removal is conveyed into the detection unit for detection, so that the comprehensive detection of the oil removal and rust removal effects on the surface of the transformer is realized, the transformer is taken out of a warehouse after meeting a qualified standard, and if the transformer does not meet the requirement, the work is repeated to perform secondary cleaning work.
2. The transformer surface oil and rust removing treatment method according to claim 1, characterized in that: and (3) controlling the drying temperature of the drying box in the step 1 to be 40-60 ℃ for drying treatment by circulating air, and continuously drying for 5-8 min.
3. The transformer surface oil and rust removing treatment method according to claim 1, characterized in that: the ultrasonic generator is installed at the bottom end in the soaking box in the step 2, opening and closing work can be performed in the soaking and cleaning process, and the precision of oil removing work is improved.
4. The transformer surface oil and rust removing treatment method according to claim 1, characterized in that: the degreasing agent in the step 2 comprises the following components in parts by weight:
7-9 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium hydroxide, 1.5-2.3 parts of sodium bicarbonate, 2-4 parts of ethylene glycol monoethyl ether, 6-9 parts of a biosurfactant, 10-12 parts of sodium phosphate, 7-8 parts of polyaspartic acid, 5-8 parts of polyvinyl ether sodium sulfate, 4-6 parts of catechol and 4-7 parts of a metal protective agent.
5. The transformer surface oil and rust removing treatment method according to claim 4, characterized in that: the paint also comprises the following components in parts by mass: 0.5-1.5 parts of fatty acid and 0.8-1.6 parts of cellulose plum.
6. The transformer surface oil and rust removing treatment method according to claim 4, characterized in that: the metal protective agent is a meta-carbonate.
7. The transformer surface oil and rust removing treatment method according to claim 5, characterized in that: comprises the following components in parts by mass: 7-9 parts of fatty alcohol-polyoxyethylene ether, 1-2 parts of sodium hydroxide, 1.5-2.3 parts of sodium bicarbonate, 2-4 parts of ethylene glycol monoethyl ether, 6-9 parts of a biosurfactant, 10-12 parts of sodium phosphate, 7-8 parts of polyaspartic acid, 5-8 parts of polyvinyl ether sodium sulfate, 4-6 parts of catechol, 4-7 parts of a metal protective agent, 0.5-1.5 parts of fatty acid and 0.8-1.6 parts of cellulose plum.
8. The transformer surface oil and rust removing treatment method according to claim 5, characterized in that: comprises the following components in parts by mass: 7 parts of fatty alcohol-polyoxyethylene ether, 1 part of sodium hydroxide, 1.5 parts of sodium bicarbonate, 2 parts of ethylene glycol monoethyl ether, 6 parts of a biosurfactant, 10 parts of sodium phosphate, 7 parts of polyaspartic acid, 5 parts of polyvinyl ether sodium sulfate, 4 parts of catechol, 4 parts of a metal protective agent, 0.5 part of fatty acid and 0.8 part of cellulose plum.
9. The transformer surface oil and rust removing treatment method according to claim 5, characterized in that: comprises the following components in parts by mass: 8 parts of fatty alcohol-polyoxyethylene ether, 1.5 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 3 parts of ethylene glycol monoethyl ether, 8 parts of a biosurfactant, 11 parts of sodium phosphate, 7.5 parts of polyaspartic acid, 6 parts of polyvinyl ether sodium sulfate, 5 parts of catechol, 6 parts of a metal protective agent, 1 part of fatty acid and 1.2 parts of cellulose plum.
10. The transformer surface oil and rust removing treatment method according to claim 5, characterized in that: comprises the following components in parts by mass: 9 parts of fatty alcohol-polyoxyethylene ether, 2 parts of sodium hydroxide, 2.3 parts of sodium bicarbonate, 4 parts of ethylene glycol monoethyl ether, 9 parts of a biosurfactant, 12 parts of sodium phosphate, 8 parts of polyaspartic acid, 8 parts of polyvinyl ether sodium sulfate, 6 parts of catechol, 7 parts of a metal protective agent, 1.5 parts of fatty acid and 1.6 parts of cellulose plum.
CN202110890146.8A 2021-08-04 2021-08-04 Oil and rust removing treatment method for transformer surface Pending CN113560261A (en)

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