CN107267995A - A kind of steel derusting technique - Google Patents

A kind of steel derusting technique Download PDF

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Publication number
CN107267995A
CN107267995A CN201710396482.0A CN201710396482A CN107267995A CN 107267995 A CN107267995 A CN 107267995A CN 201710396482 A CN201710396482 A CN 201710396482A CN 107267995 A CN107267995 A CN 107267995A
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CN
China
Prior art keywords
steel
derusting
technique according
cleaning machine
ethyl ester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710396482.0A
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Chinese (zh)
Inventor
王刚
胡国波
聂海涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Zhenzhong Electric Co Ltd
Original Assignee
Chengdu Zhenzhong Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Zhenzhong Electric Co Ltd filed Critical Chengdu Zhenzhong Electric Co Ltd
Priority to CN201710396482.0A priority Critical patent/CN107267995A/en
Publication of CN107267995A publication Critical patent/CN107267995A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention belongs to derusting process technical field, and in particular to a kind of steel derusting technique;A kind of steel derusting technique, including step in detail below:1)Except grease:Steel containing iron rust is placed into the tank containing degreaser and soaks 30 45min;2)Derusting:Rust remover is added in supersonic cleaning machine, then the steel that gets rusty after except grease is added in solution, supersonic cleaning machine, 40 45min in supersonic cleaning machine is opened;3)Neutralize:Step 2 will be passed through)Steel after processing is neutralized in sodium bicarbonate solution, it is soaked 20 25min in sodium hydroxide solution;4)Rinsing:Step 3 will be passed through)Steel distilled water flushing after processing;The present invention proposes a kind of steel derusting technique, and process is simple, the iron rust of steel can comparatively fast and be preferably removed faster, and will not return rust in a short time.

Description

A kind of steel derusting technique
Technical field
The invention belongs to derusting process technical field, and in particular to a kind of steel derusting technique.
Background technology
During being placed for a long time in atmosphere after machine components machining, slow oxygen occurs for itself and the oxygen in air Change reaction generation rust deposite, rust staining, cause machine components finish and joint flexibility ratio to reduce, and easily in rust deposite, rust staining intussusception Endophytic bacteria, causes sterilization effect not up to standard, if directly scrapping machine components without machine components derusting operation, can produce Raw substantial amounts of metal garbage, and increase machine components update cost.When handling in the prior art machine components derusting processization, Complex process, step is more, and using effect is undesirable, can to damage the shortcomings of.
The content of the invention
Not enough present in background technology in order to overcome, the present invention proposes a kind of steel derusting technique, and process is simple, It is capable of the iron rust of very fast faster and preferable removal steel, and rust will not be returned in a short time.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of steel derusting technique, including step in detail below:
1)Except grease
Steel containing iron rust is placed into the tank containing degreaser and soaks 30-45min;
2)Derusting
Rust remover is added in supersonic cleaning machine, then the steel that gets rusty after except grease is added in solution, ultrasound is opened Cleaning machine, the 40-45min in supersonic cleaning machine;
3)Neutralize
Step 2 will be passed through)Steel after processing is neutralized in sodium bicarbonate solution, it is soaked in sodium hydroxide solution 20-25min;
4)Rinsing
Step 3 will be passed through)Steel distilled water flushing after processing.
Further, in step 1)In, degreaser is the mixture of dimethoxym ethane and ethyl ester.
Further, the mass percent of described dimethoxym ethane and ethyl ester is:Dimethoxym ethane 50-60%, ethyl ester 40-50%.
Further, the mass percent of described dimethoxym ethane and ethyl ester is:Dimethoxym ethane 50%, ethyl ester 50%.
Further, in step 2)In, the supersonic frequency of described supersonic cleaning machine is 25-30kHz.
Further, in step 2)In, rust remover includes ammonium chloride and bentonitic mixture.
Further, described ammonium chloride and bentonitic mass percent are:Ammonium chloride 60-80%, bentonite 20-40%.
Further, described ammonium chloride and bentonitic mass percent are:Ammonium chloride 70%, bentonite 30%.
Further, in step 3)In, the mass percent of sodium bicarbonate solution is 10-20%.
Beneficial effects of the present invention are:
1. steel is carried out to the removal of grease before derusting, and degreaser is the mixture of dimethoxym ethane and ethyl ester, steel oil The clearance of fat is higher, can avoid grease is difficult to removal after iron rust is covered the problem of;
2. by rust remover and the collective effect of ultrasound, enable to the iron rust clearance of steel higher;
3. being soaked after derusting using sodium bicarbonate solution, the steel after over cleaning can will not return rust in a short time;
4. present invention process is simple, clearance is higher, with preferable practicality.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to invent into Row is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, limit is not used to The fixed present invention.
Embodiment 1
A kind of steel derusting technique, including step in detail below:
1)Except grease
Steel containing iron rust is placed into the tank containing degreaser and soaks 30-45min, degreaser is dimethoxym ethane and ethyl ester Mixture, dimethoxym ethane 60%, ethyl ester 40%;
2)Derusting
Rust remover is added in supersonic cleaning machine, then adds the steel that gets rusty after except grease in solution, rust remover bag Ammonium chloride and bentonitic mixture are included, ammonium chloride 60%, bentonite 40% opens supersonic cleaning machine, in supersonic cleaning machine 40min, the supersonic frequency of supersonic cleaning machine is 25kHz;
3)Neutralize
Step 2 will be passed through)Steel after processing is neutralized in sodium bicarbonate solution, the mass percent of sodium bicarbonate solution For 10%, it is set to soak 20min in sodium hydroxide solution;
4)Rinsing
Step 3 will be passed through)Steel distilled water flushing after processing.
Embodiment 2
A kind of steel derusting technique, including step in detail below:
1)Except grease
Steel containing iron rust is placed into the tank containing degreaser and soaks 40min, degreaser is dimethoxym ethane and ethyl ester Mixture, dimethoxym ethane 50%, ethyl ester 50%;
2)Derusting
Rust remover is added in supersonic cleaning machine, then adds the steel that gets rusty after except grease in solution, rust remover bag Ammonium chloride and bentonitic mixture are included, ammonium chloride 70%, bentonite 30% opens supersonic cleaning machine, in supersonic cleaning machine 42min, the supersonic frequency of supersonic cleaning machine is 28kHz;
3)Neutralize
Step 2 will be passed through)Steel after processing is neutralized in sodium bicarbonate solution, the mass percent of sodium bicarbonate solution For 15%, it is set to soak 22min in sodium hydroxide solution;
4)Rinsing
Step 3 will be passed through)Steel distilled water flushing after processing.
Embodiment 3
A kind of steel derusting technique, including step in detail below:
1)Except grease
Steel containing iron rust is placed into the tank containing degreaser and soaks 45min, degreaser is dimethoxym ethane and ethyl ester Mixture, dimethoxym ethane 55%, ethyl ester 45%;
2)Derusting
Rust remover is added in supersonic cleaning machine, then adds the steel that gets rusty after except grease in solution, rust remover bag Ammonium chloride and bentonitic mixture are included, ammonium chloride 80%, bentonite 20% opens supersonic cleaning machine, in supersonic cleaning machine 45min, the supersonic frequency of supersonic cleaning machine is 30kHz;
3)Neutralize
Step 2 will be passed through)Steel after processing is neutralized in sodium bicarbonate solution, the mass percent of sodium bicarbonate solution For 20%, it is set to soak 25min in sodium hydroxide solution;
4)Rinsing
Step 3 will be passed through)Steel distilled water flushing after processing.
The present invention carries out steel before derusting the removal of grease, and degreaser is the mixing of dimethoxym ethane and ethyl ester Thing, the clearance of steel grease is higher, can avoid grease is difficult to removal after iron rust is covered the problem of;Pass through rust remover With the collective effect of ultrasound, enable to the iron rust clearance of steel higher;Soaked after derusting using sodium bicarbonate solution Bubble, the steel after over cleaning can will not return rust in a short time;Present invention process is simple, and clearance is higher, with preferable Practicality.
Finally be necessary described herein be:Above example is served only for making further detailed to technical scheme Carefully illustrate, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art according to the present invention it is above-mentioned in Hold some the nonessential modifications and adaptations made and belong to protection scope of the present invention.

Claims (9)

1. a kind of steel derusting technique, it is characterised in that:Including step in detail below:
1)Except grease
Steel containing iron rust is placed into the tank containing degreaser and soaks 30-45min;
2)Derusting
Rust remover is added in supersonic cleaning machine, then the steel that gets rusty after except grease is added in solution, ultrasound is opened Cleaning machine, the 40-45min in supersonic cleaning machine;
3)Neutralize
Step 2 will be passed through)Steel after processing is neutralized in sodium bicarbonate solution, it is soaked in sodium hydroxide solution 20-25min;
4)Rinsing
Step 3 will be passed through)Steel distilled water flushing after processing.
2. a kind of steel derusting technique according to claim 1, it is characterised in that:In step 1)In, degreaser contracts for first The mixture of aldehyde and ethyl ester.
3. a kind of steel derusting technique according to claim 2, it is characterised in that:Described dimethoxym ethane and the quality of ethyl ester Percentage is:Dimethoxym ethane 50-60%, ethyl ester 40-50%.
4. a kind of steel derusting technique according to claim 2, it is characterised in that:Described dimethoxym ethane and the quality of ethyl ester Percentage is:Dimethoxym ethane 50%, ethyl ester 50%.
5. a kind of steel derusting technique according to claim 1, it is characterised in that:In step 2)In, described ultrasound is clear The supersonic frequency of washing machine is 25-30kHz.
6. a kind of steel derusting technique according to claim 1, it is characterised in that:In step 2)In, rust remover includes chlorine Change ammonium and bentonitic mixture.
7. a kind of steel derusting technique according to claim 6, it is characterised in that:Described ammonium chloride and bentonitic matter Measuring percentage is:Ammonium chloride 60-80%, bentonite 20-40%.
8. a kind of steel derusting technique according to claim 6, it is characterised in that:Described ammonium chloride and bentonitic matter Measuring percentage is:Ammonium chloride 70%, bentonite 30%.
9. a kind of steel derusting technique according to claim 1, it is characterised in that:In step 3)In, sodium bicarbonate solution Mass percent be 10-20%.
CN201710396482.0A 2017-05-31 2017-05-31 A kind of steel derusting technique Pending CN107267995A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108411313A (en) * 2018-05-04 2018-08-17 浙江恒利五金科技有限公司 The derusting method of utensil made of iron
CN109201633A (en) * 2018-10-12 2019-01-15 安徽天诚环保机械有限公司 A kind of Environmental-protecting dust-removing device metal fittings dedusting cleaning process
CN111451210A (en) * 2020-04-07 2020-07-28 首钢智新迁安电磁材料有限公司 Cleaning method for processing motor iron core by linear cutting

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022813A (en) * 1973-06-04 1975-03-11
CN101191232A (en) * 2006-11-29 2008-06-04 长庚大学 Surface treatment water liquid for removing stainless steel surface oxidation involucra and application thereof
CN102825031A (en) * 2012-08-29 2012-12-19 宁波高发汽车控制系统股份有限公司 Method and system for ultrasonically cleaning operating mandrel
CN103668252A (en) * 2013-12-21 2014-03-26 安徽水利开发股份有限公司 Environment friendly rust cleaning, oil removing and corrosion preventing method for steel structures
CN104293534A (en) * 2014-09-29 2015-01-21 顺德职业技术学院 Oil removal agent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022813A (en) * 1973-06-04 1975-03-11
CN101191232A (en) * 2006-11-29 2008-06-04 长庚大学 Surface treatment water liquid for removing stainless steel surface oxidation involucra and application thereof
CN102825031A (en) * 2012-08-29 2012-12-19 宁波高发汽车控制系统股份有限公司 Method and system for ultrasonically cleaning operating mandrel
CN103668252A (en) * 2013-12-21 2014-03-26 安徽水利开发股份有限公司 Environment friendly rust cleaning, oil removing and corrosion preventing method for steel structures
CN104293534A (en) * 2014-09-29 2015-01-21 顺德职业技术学院 Oil removal agent

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108411313A (en) * 2018-05-04 2018-08-17 浙江恒利五金科技有限公司 The derusting method of utensil made of iron
CN109201633A (en) * 2018-10-12 2019-01-15 安徽天诚环保机械有限公司 A kind of Environmental-protecting dust-removing device metal fittings dedusting cleaning process
CN111451210A (en) * 2020-04-07 2020-07-28 首钢智新迁安电磁材料有限公司 Cleaning method for processing motor iron core by linear cutting

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Application publication date: 20171020