CN108048627A - A kind of method for improving carbon steel anticorrosion corrosion - Google Patents
A kind of method for improving carbon steel anticorrosion corrosion Download PDFInfo
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- CN108048627A CN108048627A CN201711245552.9A CN201711245552A CN108048627A CN 108048627 A CN108048627 A CN 108048627A CN 201711245552 A CN201711245552 A CN 201711245552A CN 108048627 A CN108048627 A CN 108048627A
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- carbon steel
- insulating liquid
- temperature
- corrosion
- separation layer
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
- C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention belongs to carbon steel anticorrosions to lose processing technique field, more particularly to a kind of method for improving carbon steel anticorrosion corrosion, separation layer is set in carbon steel workpiece surface, the preparation method of the separation layer includes preparing insulating liquid, carbon steel pretreatment, insulating liquid processing and drying.The present invention has the following advantages compared with prior art：By by carbon steel AC process in the present invention, it can make to obtain martensitic structure in the depth bounds of 20 40 μm of carbon steel workpiece surface, environmental pollution is not only avoided compared with prior art, the corrosion resistance of carbon steel surface is also effectively enhanced simultaneously, the complex environments such as high temperature, acidity or alkalescence are can adapt to, the scope of application is wider, for super ground hardness water system, the corrosion rate of carbon steel is less than 0.02mm/a, and service life extends apparent.
Description
Technical field
The invention belongs to carbon steel anticorrosions to lose processing technique field, and in particular to a kind of side for improving carbon steel anticorrosion corrosion
Method.
Background technology
Low-hardness water is stronger to the corrosivity of carbon steel, and the carbon steel etching problem of super-low-hardness water system is industrial water
Than more prominent and insoluble problem in system, in order to mitigate carbon steel corrosion, general using addition corrosion inhibiter, cathode is protected
Shield, the coating measures such as antirust paint, wherein corrosion inhibiter is the most frequently used to add, traditional corrosion inhibiter is because containing substantial amounts of nitrate, chromium
Hydrochlorate, not only drug consumption is big, also pollutes the environment, and therefore, how the resistance to of carbon steel is improved on the premise of environmental protection is ensured
Corrosivity is into the technical issues of needing to research and solve.
The content of the invention
The purpose of the present invention is being directed to the problem of existing, a kind of method for improving carbon steel anticorrosion corrosion is provided.
The present invention is achieved by the following technical solutions：A kind of method for improving carbon steel anticorrosion corrosion, in carbon steel
Workpiece surface sets separation layer, and the preparation method of the separation layer comprises the following steps：
（1）Insulating liquid is prepared, the constituent content of the insulating liquid is：Prodan 800-1000PPM, urea 200-400PPM,
Mercaptoethylmaine 20-80PPM, sodium benzoate 1-6PPM, fatty amine 30-500PPM, surfactant 600-800PPM；
（2）Carbon steel workpiece is put into inductor, is passed through the alternating current of 600-800Hz, its surface temperature is made to rise to 920-
It after 960 DEG C, is kept for 2-4 minutes, closes alternating current, kept the temperature after being naturally cooling to 85-95 DEG C spare；
（3）Treated carbon steel workpiece is put into insulating liquid and is impregnated 30-50 seconds, is after finishing 220-260W with power
UV lamp radiation treatment, processing 1-2 it is small when；
（4）After being rinsed with water to obtain the final product, the drying under conditions of temperature is 55-65 DEG C.
As further improvement of these options, the fatty amine is the sub- bigcatkin willow propylamine of N-N '-two；The surface-active
Agent is polyoxyethylene oleic acid ester, the one of which in castor oil polyoxyethylene ether, polyoxyethylene stearic acid ester.
As further improvement of these options, the temperature of the insulating liquid is 55-65 DEG C.
As further improvement of these options, the step（4）The temperature of middle water is 45-50 DEG C.
The present invention has the following advantages compared with prior art：It, can by by carbon steel AC process in the present invention
Make to obtain martensitic structure in the depth bounds of 20-40 μm of carbon steel workpiece surface, insulating liquid is recycled to handle it, is made
Isolation liquid energy is spread in martensitic structure, and insulating liquid forms layer protecting film by processing in carbon steel workpiece surface, makes carbon
It is effectively isolated inside plain steel with air, and then improves the corrosion resistance of carbon steel surface, stability is preferable, compared with prior art not
Environmental pollution is only avoided, while also effectively enhances the corrosion resistance of carbon steel surface, can adapt to high temperature, acidity or alkalescence
Complex environments are waited, the scope of application is wider, and for super ground hardness water system, the corrosion rate of carbon steel is less than 0.02mm/a, makes
Extended with the service life apparent.
Specific embodiment
Embodiment 1
A kind of method for improving carbon steel anticorrosion corrosion sets separation layer, the preparation of the separation layer in carbon steel workpiece surface
Method comprises the following steps：
（1）Insulating liquid is prepared, the constituent content of the insulating liquid is：Prodan 900PPM, urea 300PPM, mercaptoethylmaine
50PPM, sodium benzoate 3PPM, fatty amine 260PPM, surfactant 700PPM；
（2）Carbon steel workpiece is put into inductor, is passed through the alternating current of 800Hz, after its surface temperature is made to rise to 920 DEG C,
It is kept for 4 minutes, closes alternating current, kept the temperature after being naturally cooling to 85 DEG C spare；
（3）Treated carbon steel workpiece is put into insulating liquid and is impregnated 50 seconds, the UV lamp for being after finishing 220W with power
Radiation treatment, when processing 2 is small；
（4）After being rinsed with water to obtain the final product, the drying under conditions of temperature is 55 DEG C.
Wherein, the fatty amine is the sub- bigcatkin willow propylamine of N-N '-two；The surfactant is polyoxyethylene oleic acid ester；Institute
The temperature for stating insulating liquid is 60 DEG C；The step（4）The temperature of middle water is 48 DEG C.
For super ground hardness water system, the corrosion rate of carbon steel is 0.008mm/a.
Embodiment 2
A kind of method for improving carbon steel anticorrosion corrosion sets separation layer, the preparation of the separation layer in carbon steel workpiece surface
Method comprises the following steps：
（1）Insulating liquid is prepared, the constituent content of the insulating liquid is：Prodan 1000PPM, urea 200PPM, mercaptoethylmaine
80PPM, sodium benzoate 1PPM, fatty amine 500PPM, surfactant 800PPM；
（2）Carbon steel workpiece is put into inductor, is passed through the alternating current of 600Hz, after its surface temperature is made to rise to 920 DEG C,
It is kept for 4 minutes, closes alternating current, kept the temperature after being naturally cooling to 85 DEG C spare；
（3）Treated carbon steel workpiece is put into insulating liquid and is impregnated 50 seconds, the UV lamp for being after finishing 220W with power
Radiation treatment, when processing 2 is small；
（4）After being rinsed with water to obtain the final product, the drying under conditions of temperature is 65 DEG C.
Wherein, the fatty amine is the sub- bigcatkin willow propylamine of N-N '-two；The surfactant is polyoxyethylene stearic acid ester；
The temperature of the insulating liquid is 65 DEG C；The step（4）The temperature of middle water is 50 DEG C.
For super ground hardness water system, the corrosion rate of carbon steel is 0.013mm/a.
Embodiment 3
A kind of method for improving carbon steel anticorrosion corrosion sets separation layer, the preparation of the separation layer in carbon steel workpiece surface
Method comprises the following steps：
（1）Insulating liquid is prepared, the constituent content of the insulating liquid is：Prodan 800PPM, urea 400PPM, mercaptoethylmaine
20PPM, sodium benzoate 6PPM, fatty amine 30PPM, surfactant 600PPM；
（2）Carbon steel workpiece is put into inductor, is passed through the alternating current of 800Hz, after its surface temperature is made to rise to 960 DEG C,
It is kept for 2 minutes, closes alternating current, kept the temperature after being naturally cooling to 95 DEG C spare；
（3）Treated carbon steel workpiece is put into insulating liquid and is impregnated 30 seconds, the UV lamp for being after finishing 260W with power
Radiation treatment, when processing 1 is small；
（4）After being rinsed with water to obtain the final product, the drying under conditions of temperature is 55 DEG C.
Wherein, the fatty amine is the sub- bigcatkin willow propylamine of N-N '-two；The surfactant is polyoxyethylene stearic acid ester；
The temperature of the insulating liquid is 55 DEG C；The step（4）The temperature of middle water is 45 DEG C.
For super ground hardness water system, the corrosion rate of carbon steel is 0.012mm/a.
Control group 1 is set, by step in embodiment 1（2）Remove, remaining content is constant；For super ground hardness water system, carbon
The corrosion rate of plain steel is 0.28mm/a.
Control group 2 is set, by step in embodiment 1（3）Middle UV lamp radiation treatment is removed, remaining content is constant；For surpassing
Ground hardness water system, the corrosion rate of carbon steel is 0.43mm/a.
Claims (4)
- A kind of 1. method for improving carbon steel anticorrosion corrosion, which is characterized in that in carbon steel workpiece surface, separation layer is set, it is described The preparation method of separation layer comprises the following steps：（1）Insulating liquid is prepared, the constituent content of the insulating liquid is：Prodan 800-1000PPM, urea 200-400PPM, Mercaptoethylmaine 20-80PPM, sodium benzoate 1-6PPM, fatty amine 30-500PPM, surfactant 600-800PPM；（2）Carbon steel workpiece is put into inductor, is passed through the alternating current of 600-800Hz, its surface temperature is made to rise to 920- It after 960 DEG C, is kept for 2-4 minutes, closes alternating current, kept the temperature after being naturally cooling to 85-95 DEG C spare；（3）Treated carbon steel workpiece is put into insulating liquid and is impregnated 30-50 seconds, is after finishing 220-260W with power UV lamp radiation treatment, processing 1-2 it is small when；（4）After being rinsed with water to obtain the final product, the drying under conditions of temperature is 55-65 DEG C.
- 2. a kind of method for improving carbon steel anticorrosion corrosion as described in claim 1, which is characterized in that the fatty amine is N- The sub- bigcatkin willow propylamine of N '-two；The surfactant is polyoxyethylene oleic acid ester, castor oil polyoxyethylene ether, stearic acid polyoxy second One of which in enester.
- A kind of 3. method for improving carbon steel anticorrosion corrosion as described in claim 1, which is characterized in that the temperature of the insulating liquid For 55-65 DEG C.
- A kind of 4. method for improving carbon steel anticorrosion corrosion as described in claim 1, which is characterized in that the step（4）Middle water Temperature be 45-50 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745839A (en) * | 2018-06-05 | 2018-11-06 | 阜南县奋进机械制造有限公司 | A kind of processing method for promoting trepan and unloading linkage part service life |
| CN109134299A (en) * | 2018-09-06 | 2019-01-04 | 桂林理工大学 | A kind of preparation method of 1,2- Propane Diamine 5- fluorine salicylide Bis-Schiff Bases corrosion inhibiter |
| CN114232345A (en) * | 2021-12-20 | 2022-03-25 | 河南蓝翎环科防水材料有限公司 | Ultraviolet radiation resistant waterproof protective material and production process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745839A (en) * | 2018-06-05 | 2018-11-06 | 阜南县奋进机械制造有限公司 | A kind of processing method for promoting trepan and unloading linkage part service life |
| CN109134299A (en) * | 2018-09-06 | 2019-01-04 | 桂林理工大学 | A kind of preparation method of 1,2- Propane Diamine 5- fluorine salicylide Bis-Schiff Bases corrosion inhibiter |
| CN114232345A (en) * | 2021-12-20 | 2022-03-25 | 河南蓝翎环科防水材料有限公司 | Ultraviolet radiation resistant waterproof protective material and production process thereof |
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Application publication date: 20180518 |
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