CN110983355A - Oil-removing antirust agent for iron workpiece and oil-removing method thereof - Google Patents
Oil-removing antirust agent for iron workpiece and oil-removing method thereof Download PDFInfo
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- CN110983355A CN110983355A CN201911067735.5A CN201911067735A CN110983355A CN 110983355 A CN110983355 A CN 110983355A CN 201911067735 A CN201911067735 A CN 201911067735A CN 110983355 A CN110983355 A CN 110983355A
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/06—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using emulsions
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- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
- C23C22/62—Treatment of iron or alloys based thereon
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Abstract
The invention relates to the field of an oil removing process of an iron workpiece, and discloses an oil removing antirust agent for the iron workpiece and an oil removing method thereof. The oil-removing antirust agent for the iron material workpiece comprises the following components in parts by weight: 0.5-5 parts of alkaline auxiliary agent, 0.05-0.5 part of chelating agent, 0.05-1 part of surfactant, 0.1-5 parts of antirust corrosion inhibitor and 0.05-5 parts of washing-assistant solubilizer. The oil removing method comprises the step of putting the iron workpiece into the oil removing and rust preventing agent for the iron workpiece, and carrying out soaking operation to remove grease carried on the surface of the iron workpiece. The oil and rust remover for the iron material workpiece is environment-friendly, phosphorus-free, high in oil and grease removing speed, strong in oil and grease removing capacity, and capable of preventing rust, completely cleaning and removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece, washing the iron material workpiece after oil removal without drying, and naturally drying and rusting.
Description
Technical Field
The invention relates to the field of an oil removing process of an iron workpiece, in particular to an oil removing antirust agent for the iron workpiece and an oil removing method thereof.
Background
The iron material has wide application in industrial production and national life, and after being formed by processes of stamping, cutting, stretching and the like, an iron piece has stamping oil stains, cutting oil stains and stretching oil stains on the surface, and if the next process is carried out, oil removal and cleaning are carried out. The stamping oil is metal processing oil prepared by taking vulcanized lard as a main agent and adding various additives such as an exquisite oiliness agent, an antirust agent and the like. The cutting oil is synthesized by compounding refined base oil with additives such as sulfurized lard, sulfurized fatty acid ester, extreme pressure antiwear agent, lubricant, antirust agent, mildew-proof bactericide, antioxidant, cooling accelerator and the like in different proportions. The stretching oil is prepared by blending high-quality mineral base oil, compounded high-performance vulcanized lard oil and vulcanized fatty acid ester as main agents. The punching oil, the cutting oil and the stretching oil are all prepared by taking mineral oil such as sulfurized lard oil, sulfurized fatty acid ester and the like as a main raw material and compounding other auxiliary components, and have the characteristics of complex components, high viscosity, good adhesiveness, thick oil film and difficulty in cleaning.
In order to remove stamping oil stains, cutting oil stains and stretching oil stains in the machining process, a common water-based cleaning agent is adopted in some workshops, has common cleaning and removing capacity on the stamping oil stains, the cutting oil stains and the stretching oil stains, mostly contains phosphorus-containing substances such as sodium tripolyphosphate and the like, has the danger of environmental pollution damage caused by phosphorus, can be washed after cleaning and removing the oil stains, and can be contacted with oxygen in the air if not dried in time, so that the oil stains are easily oxidized and rusted. Some processing manufacturers adopt low-flash-point hydrocarbon cleaning agents or chloralkane which is harmful to the environment, and although the degreasing speed is high, the risk of flammability, explosiveness, environmental pollution, harm to human health and the like exists.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the iron material workpiece oil removal antirust agent which is environment-friendly, phosphorus-free, high in oil removal and degreasing speed, strong in oil removal and degreasing capacity and rust-proof, and the oil removal method thereof.
The purpose of the invention is realized by the following technical scheme:
an oil-removing antirust agent for an iron material workpiece comprises the following components in parts by weight:
0.5-5 parts of alkaline auxiliary agent, 0.05-0.5 part of chelating agent, 0.05-1 part of surfactant, 0.1-5 parts of antirust corrosion inhibitor and 0.05-5 parts of washing-assistant solubilizer.
In one embodiment, the alkaline builder comprises at least one of sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, and sodium metasilicate pentahydrate.
In one embodiment, the chelating agent comprises at least one of sodium gluconate, ethylenediaminetetraacetic acid, sodium citrate, tartaric acid, and sodium alginate.
In one embodiment, the surfactant includes at least one of an alkyl polyoxyethylene ether surfactant and a castor oil polyoxyethylene ether surfactant.
In one embodiment, the alkyl polyoxyethylene ether surfactants include JFC, AEO5, AEO7, and AEO 9.
In one embodiment, the castor oil polyoxyethylene ether surfactants include EL-20, EL-40, and EL-60.
In one embodiment, the rust inhibiting corrosion inhibitor includes at least one of monoethanolamine, diethanolamine, triethanolamine borate, and sodium benzoate.
In one embodiment, the builder solubilizer comprises at least one of ethylene glycol ethyl ether, propylene glycol methyl ether acetate, and diethylene glycol ethyl ether acetate.
A method for removing oil from an oil and rust inhibitor for an iron workpiece comprises the following steps:
sequentially adding a chelating agent, an alkaline assistant and an antirust corrosion inhibitor into water, and stirring to completely dissolve all the components to obtain a first mixed solution; wherein the mass ratio of the chelating agent to the alkaline assistant to the antirust corrosion inhibitor is (0.05-0.5): (0.5-5): (0.1-5);
adding a surfactant into the washing aid solubilizer, and stirring to completely dissolve the components to obtain a second mixed solution; wherein the mass ratio of the surfactant to the washing-assistant solubilizer is (0.05-1): (0.05-5);
adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil-removing antirust agent for the iron material workpiece;
and putting the iron material workpiece into the oil removal antirust agent for the iron material workpiece, and performing soaking operation to remove grease on the surface of the iron material workpiece.
In one embodiment, the temperature of the soaking operation is 30-70 ℃, and the time of the soaking operation is 2-8 min.
Compared with the prior art, the invention has at least the following advantages:
the oil removal antirust agent for the iron material workpiece takes the surfactant as a main raw material, and can rapidly and thoroughly remove oil and degrease through emulsification, however, the oil removed by the excessive surfactant can be emulsified and solubilized in the oil removal antirust agent for the iron material workpiece, so that the oil removal capacity of the oil removal antirust agent for the iron material workpiece is gradually reduced, and the oil removal antirust agent needs to be frequently replaced. The dispersion and secondary deposition resistance of the oil removal antirust agent for the iron material workpiece are improved through the alkaline auxiliary agent and the washing-assistant solubilizer, grease is stripped from the surface of the iron material workpiece, low emulsification and low saponification are achieved, most of the grease floats on the surface of the oil removal antirust agent for the iron material workpiece, the limpidity and the continuous oil removal and degreasing capacity of the oil removal antirust agent for the iron material workpiece can be kept, the service life of the oil removal antirust agent for the iron material workpiece is greatly prolonged, the reaction of the surfactant with stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece can be promoted, and the dissolution of the stamping oil stains, the cutting oil stains and the stretching oil stains is accelerated. However, the surface of the iron workpiece is damaged due to the excessively strong alkalinity, the alkalinity of the oil and rust removing and preventing agent for the iron workpiece is neutralized through the chelating agent and the rust preventing and inhibiting agent, so that the alkalinity is moderate, the chelating agent can promote the reaction and combination of the rust preventing and inhibiting agent and the iron workpiece to generate a stable protective film so as to prevent the iron workpiece from reacting with oxygen in the air, and the antirust effect is good.
Compared with common water-based cleaning agents, hydrocarbon cleaning agents and chloralkane cleaning agents, the iron material workpiece oil removal antirust agent is environment-friendly, phosphorus-free, free of environmental pollution, high in oil removal and degreasing speed, high in oil removal and degreasing capacity, free of damage to the surface of an iron material workpiece, good in antirust performance, capable of completely cleaning and removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece, and capable of being washed by water without drying and naturally dried without rusting.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a flow chart showing the steps of a method for removing oil from an iron material workpiece by using an oil removing rust preventive according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
One embodiment is an oil-removing antirust agent for an iron material workpiece, which comprises the following components in parts by weight: 0.5-5 parts of alkaline auxiliary agent, 0.05-0.5 part of chelating agent, 0.05-1 part of surfactant, 0.1-5 parts of antirust corrosion inhibitor and 0.05-5 parts of washing-assistant solubilizer.
It should be noted that the oil removal antirust agent for the iron material workpiece takes the surfactant as a main raw material, and oil removal and degreasing are rapidly and thoroughly performed through emulsification, however, the oil removed by the excessive surfactant is emulsified and solubilized in the oil removal antirust agent for the iron material workpiece, so that the oil removal capability of the oil removal antirust agent for the iron material workpiece is gradually reduced, and the oil removal antirust agent needs to be frequently replaced. The dispersion and secondary deposition resistance of the oil removal antirust agent for the iron material workpiece are improved through the alkaline auxiliary agent and the washing-assistant solubilizer, grease is stripped from the surface of the iron material workpiece, low emulsification and low saponification are achieved, most of the grease floats on the surface of the oil removal antirust agent for the iron material workpiece, the limpidity and the continuous oil removal and degreasing capacity of the oil removal antirust agent for the iron material workpiece can be kept, the service life of the oil removal antirust agent for the iron material workpiece is greatly prolonged, the reaction of the surfactant with stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece can be promoted, and the dissolution of the stamping oil stains, the cutting oil stains and the stretching oil stains is accelerated. However, the surface of the iron workpiece is damaged due to the excessively strong alkalinity, the alkalinity of the oil and rust removing and preventing agent for the iron workpiece is neutralized through the chelating agent and the rust preventing and inhibiting agent, so that the alkalinity is moderate, the chelating agent can promote the reaction and combination of the rust preventing and inhibiting agent and the iron workpiece to generate a stable protective film so as to prevent the iron workpiece from reacting with oxygen in the air, and the antirust effect is good.
Compared with common water-based cleaning agents, hydrocarbon cleaning agents and chloralkane cleaning agents, the iron material workpiece oil removal antirust agent is environment-friendly, phosphorus-free, free of environmental pollution, high in oil removal and degreasing speed, high in oil removal and degreasing capacity, free of damage to the surface of an iron material workpiece, good in antirust performance, capable of completely cleaning and removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece, and capable of being washed by water without drying and naturally dried without rusting.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect, the antirust performance and the service life of the oil removing and antirust agent for the iron material workpiece, and ensure that the oil removing and antirust agent for the iron material workpiece can clean and thoroughly remove stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece and does not damage the surface of the iron material workpiece, in another embodiment, the oil removing and antirust agent for the iron material workpiece comprises the following components in parts by weight: 1-4 parts of alkaline auxiliary agent, 0.1-0.4 part of chelating agent, 0.3-0.7 part of surfactant, 1-4 parts of antirust corrosion inhibitor and 1-4 parts of washing-assistant solubilizer. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect, the antirust performance and the service life of the oil removing and antirust agent for the iron material workpiece, and ensure that the oil removing and antirust agent for the iron material workpiece can clean and thoroughly remove stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece and does not damage the surface of the iron material workpiece, in another embodiment, the oil removing and antirust agent for the iron material workpiece comprises the following components in parts by weight: 2.5 parts of alkaline auxiliary agent, 0.25 part of chelating agent, 0.5 part of surfactant, 2.5 parts of antirust corrosion inhibitor and 2.5 parts of washing-assistant solubilizer. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect and the rust prevention performance of the oil removing and rust preventing agent for the iron material workpiece, for example, the oil removing and rust preventing agent for the iron material workpiece is used under the condition that the pH value is 13-14. For another example, the oil removing and rust preventing agent for the iron material workpiece is used at the temperature of 30-70 ℃, so that the cleaning and oil removing performance of the oil removing and rust preventing agent for the iron material workpiece can be better exerted. Thus, the oil removing and degreasing speed, the oil removing and degreasing effect and the rust preventing performance of the oil removing and rust preventing agent for the iron material workpiece can be further improved.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect, the antirust performance and the service life of the oil removing and antirust agent for the iron material workpiece, and ensure that the oil removing and antirust agent for the iron material workpiece can clean and thoroughly remove stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece, in one embodiment, the alkaline assistant comprises at least one of sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide and sodium metasilicate pentahydrate. For example, the alkaline builder includes sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, and sodium metasilicate pentahydrate. As another example, the alkaline builder includes sodium carbonate, sodium hydroxide, and sodium metasilicate pentahydrate. As another example, the alkaline builder comprises sodium metasilicate pentahydrate and/or sodium carbonate. As another example, the alkaline builder comprises sodium metasilicate pentahydrate and/or sodium hydroxide. As another example, the alkaline builder comprises sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, or sodium metasilicate pentahydrate. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect, the antirust performance and the service life of the oil removing and antirust agent for the iron material workpiece and ensure that the oil removing and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece, in one embodiment, the chelating agent comprises at least one of sodium gluconate, ethylenediamine tetraacetic acid, sodium citrate, tartaric acid and sodium alginate. For example, the chelating agent includes sodium gluconate, ethylenediaminetetraacetic acid, sodium citrate, tartaric acid, and sodium alginate. As another example, the chelating agent includes sodium gluconate and/or ethylenediaminetetraacetic acid. As another example, the chelating agent includes sodium gluconate, ethylenediaminetetraacetic acid, sodium citrate, tartaric acid, or sodium alginate. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect, the antirust performance and the service life of the oil removing and antirust agent for the iron material workpiece, and ensure that the oil removing and antirust agent for the iron material workpiece can clean and thoroughly remove stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece, in one embodiment, the surfactant comprises at least one of alkyl polyoxyethylene ether surfactants and castor oil polyoxyethylene ether surfactants. For example, the surfactant includes alkyl polyoxyethylene ether-based surfactants and castor oil polyoxyethylene ether-based surfactants. As another example, the surfactant includes alkyl polyoxyethylene ether-based surfactants or castor oil polyoxyethylene ether-based surfactants. In one embodiment, the alkyl polyoxyethylene ether surfactants include JFC, AEO5, AEO7, and AEO 9. For example, the surfactants include JFC, AEO5, AEO7, and AEO 9. As another example, the surfactants include JFC, AEO5, and AEO 7. As another example, the surfactants include JFC and AEO 5. As another example, the surfactants include JFC and AEO 7. As another example, the surfactant includes JFC, AEO5, AEO7, or AEO 9. In one embodiment, the castor oil polyoxyethylene ether surfactants include EL-20, EL-40, and EL-60. For example, the surfactants include EL-20, EL-40 and EL-60. As another example, the surfactants include EL-20 and EL-60. As another example, the surfactant includes EL-20, EL-40, or EL-60. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect, the antirust performance and the service life of the oil removing and antirust agent for the iron material workpiece, and ensure that the oil removing and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece, in one embodiment, the antirust corrosion inhibitor comprises at least one of monoethanolamine, diethanolamine, triethanolamine borate and sodium benzoate. For example, the rust inhibitive agents include monoethanolamine, diethanolamine, triethanolamine borate, and sodium benzoate. As another example, the rust inhibitive agents include monoethanolamine and triethanolamine borate. As another example, the rust inhibitive agent includes diethanolamine and triethanolamine borate. As another example, the rust inhibitive agent includes monoethanolamine, diethanolamine, triethanolamine borate, or sodium benzoate. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect, the antirust performance and the service life of the oil removing and antirust agent for the iron material workpiece and ensure that the oil removing and antirust agent for the iron material workpiece can clean and thoroughly remove stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece and does not damage the surface of the iron material workpiece, in one embodiment, the washing-assisting solubilizer comprises at least one of ethylene glycol ether, propylene glycol methyl ether acetate and diethylene glycol ethyl ether acetate. For example, the building solubilizers include ethylene glycol ethyl ether, propylene glycol methyl ether acetate, and diethylene glycol ethyl ether acetate. As another example, the builder solubilizer includes ethylene glycol ethyl ether, propylene glycol methyl ether acetate, or diethylene glycol ethyl ether acetate. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
In order to further improve the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece, and ensure that the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece, in one embodiment, the oil removal and antirust agent for the iron material workpiece comprises the following components in parts by weight: 5-50 g/L of alkaline auxiliary agent, 0.5-5 g/L of chelating agent, 0.5-10 g/L of surfactant, 1-50 g/L of antirust corrosion inhibitor and 0.5-50 g/L of washing aid solubilizer. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
It is understood that when the concentration of the alkaline assistant is too high, the surface of the iron workpiece is damaged; when the concentration of the alkaline assistant is too low, the oil removing and degreasing effects are poor; only when the concentration of the alkaline auxiliary agent is 5 g/L-50 g/L, the oil and rust remover for the iron workpiece has moderate alkalinity, can not damage the surface of the iron workpiece, and has good oil and grease removing effect. When the concentration of the chelating agent is too low, poor combination of the antirust corrosion inhibitor and the iron workpiece can be caused; when the concentration of the chelating agent is too high, the oil removing and degreasing speed of the oil removing and rust preventing agent for the iron workpiece can be influenced; only when the concentration of the chelating agent is 0.5 g/L-5 g/L, the rust and corrosion inhibitor can be well combined with the iron workpiece, and the oil removal and degreasing speed is high. When the concentration of the surfactant is too low, the oil removing and degreasing speed is too low, and the oil removing and degreasing effect is poor; when the concentration of the surfactant is too high, the service life of the oil removal antirust agent for the iron workpiece is too short, and the oil removal antirust agent can be used only once or twice; only when the concentration of the surfactant is 0.5-10 g/L, the oil removing and degreasing speed is high, the oil removing and degreasing effect is good, and the service life is long. When the concentration of the rust-proof corrosion inhibitor is too low, the rust-proof effect is poor; when the concentration of the rust-proof corrosion inhibitor is too high, the oil removal and degreasing speed can be influenced; only when the concentration of the rust-proof corrosion inhibitor is 1 g/L-50 g/L, the rust-proof corrosion inhibition effect is better, the oil removal and degreasing speed is higher, and the oil removal and degreasing effect is better. When the concentration of the washing-assistant solubilizer is too low, the dispersion and secondary deposition resistance of the surfactant are poor, and the service life is too short; when the concentration of the washing-assistant solubilizer is too high, the oil removal and degreasing speed of the oil removal antirust agent for the iron workpiece can be influenced; only when the concentration of the washing-assistant solubilizer is 0.5 g/L-50 g/L, the surfactant has better dispersion and secondary deposition resistance, longer service life and higher oil removal and degreasing speed.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect, the antirust performance and the service life of the oil removing and antirust agent for the iron material workpiece, and ensure that the oil removing and antirust agent for the iron material workpiece can clean and thoroughly remove stamping oil stains, cutting oil stains and tensile oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece, for example, the oil removing and antirust agent for the iron material workpiece of any of the above embodiments further comprises water for dissolving other components of the oil removing and antirust agent for the iron material workpiece. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect, the antirust performance and the service life of the oil removal and antirust agent for the iron material workpiece can be further improved, and the oil removal and antirust agent for the iron material workpiece can be used for completely and cleanly removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece without damaging the surface of the iron material workpiece.
In one embodiment, referring to fig. 1, a method for removing oil from an iron workpiece by using an oil removing and rust preventing agent includes the following steps:
s110, sequentially adding a chelating agent, an alkaline assistant and an antirust corrosion inhibitor into water, and stirring to completely dissolve the components to obtain a first mixed solution; wherein the mass ratio of the chelating agent to the alkaline assistant to the antirust corrosion inhibitor is (0.05-0.5): (0.5-5): (0.1-5);
s120, adding a surfactant into the washing aid solubilizer, and stirring to completely dissolve the components to obtain a second mixed solution; wherein the mass ratio of the surfactant to the washing-assistant solubilizer is (0.05-1): (0.05-5);
s130, adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil removal antirust agent for the iron material workpiece;
s140, putting the iron material workpiece into the oil and rust removing agent for the iron material workpiece, and performing soaking operation to remove grease on the surface of the iron material workpiece.
In order to further improve the oil removing and degreasing speed, the oil removing and degreasing effect and the antirust performance of the oil removing and antirust agent for the iron material workpiece and ensure that the oil removing and antirust agent for the iron material workpiece can clean and thoroughly remove stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece, in one embodiment, the temperature of the soaking operation is 30-70 ℃, and the time of the soaking operation is 2-8 min. Therefore, the oil removal and degreasing speed, the oil removal and degreasing effect and the rust prevention performance of the oil removal and rust prevention agent for the iron material workpiece can be further improved, and the oil removal and rust prevention agent for the iron material workpiece can be ensured to be capable of cleanly and thoroughly cleaning and removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece.
In one embodiment, after the soaking operation, the iron workpiece is further subjected to hot water washing and then naturally dried. Therefore, the residual oil removal antirust agent on the surface of the iron material workpiece, especially the sodium metasilicate pentahydrate in the oil removal antirust agent for the iron material workpiece can be removed, if hot washing operation is not carried out after oil removal, the residual sodium metasilicate pentahydrate is difficult to be completely cleaned by direct cold washing, and the residual sodium metasilicate pentahydrate can react with acid of a subsequent process to generate firmly-adhered silica gel, so that the binding force of a coating is influenced.
In order to further improve the cleaning effect of the hot water washing operation, for example, the temperature of the hot water washing operation is 50 ℃ to 70 ℃, and the time of the hot water washing operation is 1min to 3 min. Thus, the cleaning effect of the hot water washing operation can be further improved to completely wash off sodium metasilicate pentahydrate, which may remain.
In one embodiment, the operation of putting the iron workpiece into the oil and rust remover for the iron workpiece and performing the soaking operation is to install a coil pipe at the central position of the bottom in a cleaning tank of an ultrasonic cleaning machine, arranging a plurality of liquid spraying holes on the coil pipe, communicating one end of a liquid inlet pipe with a liquid storage tank, communicating the other end of the liquid inlet pipe with the coil pipe in a tangent manner, installing a booster pump on the liquid inlet pipe, putting the iron workpiece oil removal antirust agent into the liquid storage tank, enabling the iron workpiece oil removal antirust agent to sequentially pass through the liquid inlet pipe, the booster pump and the coil pipe, spraying the iron workpiece oil removal antirust agent into the cleaning tank through the plurality of liquid spraying holes, starting the ultrasonic cleaning machine, placing the iron material workpiece into the cleaning tank at the temperature of 30-50 ℃, and performing soaking operation to remove oil stains on the surface of the iron material workpiece; and communicating one end of a liquid outlet pipe with the cleaning tank, communicating the other end of the liquid outlet pipe with the liquid storage tank, and installing a filter on the liquid outlet pipe to enable the oil removal antirust agent of the iron material workpiece to sequentially pass through the liquid outlet pipe and the filter and return to the liquid storage tank.
It is noted that the transducer of the ultrasonic cleaning machine converts the sound energy of the power ultrasonic frequency source into mechanical vibration and radiates ultrasonic waves to the oil and rust removing agent of the iron material workpiece in the cleaning tank through the cleaning tank wall, the micro bubbles in the oil removing and rust preventing agent for the iron material workpiece vibrate under the action of sound waves, when the sound pressure or the sound intensity reaches a certain value, the bubbles grow rapidly and then close suddenly, shock wave is generated at the moment of closing the air bubbles to generate 1012 Pa-1013 Pa pressure and local temperature adjustment around the air bubbles, the great pressure generated by the ultrasonic cavitation can destroy insoluble dirt and differentiate them into solution, the liquid and the oil stain are directly and indirectly acted by the cavitation action, the acceleration action and the direct current action of the ultrasonic waves in the oil removing and rust preventing agent for the iron material workpiece, so that the oil stain is dispersed, emulsified and stripped, thereby accelerating the oil removing and cleaning speed of the oil removing and rust preventing agent for the iron material workpiece and enhancing the oil removing and cleaning effect. The booster pump boosts the oil removal antirust agent of the iron material workpiece, so that the oil removal antirust agent of the iron material workpiece flows in the cleaning tank rapidly and violently; the spiral pipe is used for guiding the flowing direction of the oil removal antirust agent of the iron material workpiece, so that the oil removal antirust agent of the iron material workpiece flows uniformly in the cleaning tank; under the combined action of a booster pump and a coil pipe, the oil removal antirust agent for the iron workpiece flows in the cleaning tank rapidly and uniformly, on one hand, the pressure of the turbulent liquid flow can help the oil stain on the surface of the iron workpiece to be separated, so that the oil removal speed is accelerated, and the soaking oil removal time is reduced to 30-120 s from 2-8 min; on the other hand, the dispersion and secondary deposition resistance of the oil removal antirust agent for the iron material workpiece can be improved, so that the service life of the oil removal antirust agent for the iron material workpiece is prolonged. Under the combined action of the liquid outlet pipe and the filter, the oil removal antirust agent for the iron workpiece after soaking operation can be filtered, precipitates in the oil removal antirust agent for the iron workpiece are removed, and the filtered oil removal antirust agent for the iron workpiece is discharged back to the liquid storage tank, so that the purpose of recycling the oil removal antirust agent for the iron workpiece is achieved, and the cost of an oil removal and degreasing process can be greatly reduced. The spiral pipe is of a surrounding multi-circle circular structure, when the liquid inlet pipe is tangent to the spiral pipe, the liquid inlet dead angle is minimum, and the deposition of the oil removal antirust agent of the iron workpiece at the joint of the oil removal antirust agent and the liquid inlet dead angle is minimum.
Compared with the prior art, the invention has at least the following advantages:
the oil removal antirust agent for the iron material workpiece takes the surfactant as a main raw material, and can rapidly and thoroughly remove oil and degrease through emulsification, however, the oil removed by the excessive surfactant can be emulsified and solubilized in the oil removal antirust agent for the iron material workpiece, so that the oil removal capacity of the oil removal antirust agent for the iron material workpiece is gradually reduced, and the oil removal antirust agent needs to be frequently replaced. The dispersion and secondary deposition resistance of the oil removal antirust agent for the iron material workpiece are improved through the alkaline auxiliary agent and the washing-assistant solubilizer, grease is stripped from the surface of the iron material workpiece, low emulsification and low saponification are achieved, most of the grease floats on the surface of the oil removal antirust agent for the iron material workpiece, the limpidity and the continuous oil removal and degreasing capacity of the oil removal antirust agent for the iron material workpiece can be kept, the service life of the oil removal antirust agent for the iron material workpiece is greatly prolonged, the reaction of the surfactant with stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece can be promoted, and the dissolution of the stamping oil stains, the cutting oil stains and the stretching oil stains is accelerated. However, the surface of the iron workpiece is damaged due to the excessively strong alkalinity, the alkalinity of the oil and rust removing and preventing agent for the iron workpiece is neutralized through the chelating agent and the rust preventing and inhibiting agent, so that the alkalinity is moderate, the chelating agent can promote the reaction and combination of the rust preventing and inhibiting agent and the iron workpiece to generate a stable protective film so as to prevent the iron workpiece from reacting with oxygen in the air, and the antirust effect is good.
Compared with common water-based cleaning agents, hydrocarbon cleaning agents and chloralkane cleaning agents, the iron material workpiece oil removal antirust agent is environment-friendly, phosphorus-free, free of environmental pollution, high in oil removal and degreasing speed, high in oil removal and degreasing capacity, free of damage to the surface of an iron material workpiece, good in antirust performance, capable of completely cleaning and removing stamping oil stains, cutting oil stains and stretching oil stains on the surface of the iron material workpiece, and capable of being washed by water without drying and naturally dried without rusting.
The following are specific examples of the oil removing method of the oil removing rust preventive for iron material workpieces
Example 1
S111, sequentially adding 5g of sodium gluconate, 10g of sodium carbonate, 5g of sodium metasilicate pentahydrate and 10g of triethanolamine borate into 955g of water, and stirring to completely dissolve the components to obtain a first mixed solution;
s121, adding 3g of JFC and 2g of AEO7 into 10g of propylene glycol methyl ether, and stirring to completely dissolve the components to obtain a second mixed solution;
s131, adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil removal antirust agent for the iron material workpiece;
s141, putting the iron workpiece into the oil removal antirust agent for the iron workpiece at the temperature of 50 ℃, and soaking.
Example 2
S112, sequentially adding 5g of ethylenediamine tetraacetic acid, 5g of sodium hydroxide, 5g of sodium metasilicate pentahydrate, 5g of monoethanolamine and 10g of triethanolamine borate into 935g of water, and stirring to completely dissolve the components to obtain a first mixed solution;
s122, adding 1g of JFC and 4g of AEO5 into 20g of ethylene glycol ethyl ether, and stirring to completely dissolve the components to obtain a second mixed solution;
s132, adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil removal antirust agent for the iron material workpiece;
s142, putting the iron workpiece into the oil removal antirust agent for the iron workpiece at the temperature of 70 ℃ and carrying out soaking operation.
Example 3
S113, sequentially adding 5g of sodium gluconate, 2g of sodium hydroxide, 8g of sodium carbonate, 5g of sodium metasilicate pentahydrate, 5g of monoethyl alcohol and 10g of triethanolamine borate into 94g of water, and stirring to completely dissolve the components to obtain a first mixed solution;
s123, adding 2g of JFC and 3g of AEO5 into 10g of propylene glycol monomethyl ether acetate, and stirring to completely dissolve the components to obtain a second mixed solution;
s133, adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil removal antirust agent for the iron material workpiece;
s143, putting the iron workpiece into the oil removal antirust agent for the iron workpiece at the temperature of 60 ℃ and carrying out soaking operation.
Example 4
S113, sequentially adding 0.5g of sodium citrate, 3g of potassium carbonate, 2g of sodium metasilicate pentahydrate, 0.5g of diethanolamine and 0.5g of triethanolamine borate into 992.5g of water, and stirring to completely dissolve the components to obtain a first mixed solution;
s123, adding 0.2g of JFC and 0.3g of AEO9 into 0.5g of propylene glycol methyl ether, and stirring to completely dissolve the components to obtain a second mixed solution;
s133, adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil removal antirust agent for the iron material workpiece;
s143, putting the iron workpiece into the oil removal antirust agent for the iron workpiece at the temperature of 55 ℃ and carrying out soaking operation.
Example 5
S113, sequentially adding 2.5g of tartaric acid, 10g of potassium hydroxide, 15g of sodium metasilicate pentahydrate, 10g of triethanolamine and 15g of triethanolamine borate into 917.5g of water, and stirring to completely dissolve the components to obtain a first mixed solution;
s123, adding 3g of EL-20 and 2g of EL-60 into 25g of diethylene glycol ethyl ether acetate, and stirring to completely dissolve all the components to obtain a second mixed solution;
s133, adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil removal antirust agent for the iron material workpiece;
s143, putting the iron workpiece into the oil removal antirust agent for the iron workpiece at the temperature of 65 ℃, and carrying out soaking operation.
Example 6
S113, sequentially adding 5g of sodium alginate, 20g of sodium hydroxide, 30g of sodium metasilicate pentahydrate and 50g of sodium benzoate into 835g of water, and stirring to completely dissolve all the components to obtain a first mixed solution;
s123, adding 10g of EL-40 into 50g of propylene glycol monomethyl ether acetate, and stirring to completely dissolve all the components to obtain a second mixed solution;
s133, adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil removal antirust agent for the iron material workpiece;
s143, putting the iron workpiece into the oil removal antirust agent for the iron workpiece at the temperature of 60 ℃ and carrying out soaking operation.
Comparative example 1
And (3) putting the iron workpiece into a common degreasing agent at the temperature of 60 ℃ for soaking operation.
Iron material workpieces with cutting oil, drawing oil and punching oil are selected and carried out according to the oil removal methods of example 1, example 2, example 3, example 4, example 5, example 6 and comparative example 1 respectively, washing and natural airing are carried out after oil removal, and the cleaning effect and the rust-proof performance of the iron material workpieces are observed in the natural environment, and the results are shown in table 1.
TABLE 1
As can be seen from table 1, compared to comparative example 1, examples 1, 2, 3, 4, 5 and 6 have faster oil application speed, better oil removal effect, and excellent rust prevention effect, and do not rust when left for 3 days. In particular, the oil coating speed is fastest, the oil removing effect is best and the rust prevention performance is best in the embodiment 5 and the embodiment 6.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The oil-removing antirust agent for the iron material workpiece is characterized by comprising the following components in parts by weight:
0.5-5 parts of alkaline auxiliary agent, 0.05-0.5 part of chelating agent, 0.05-1 part of surfactant, 0.1-5 parts of antirust corrosion inhibitor and 0.05-5 parts of washing-assistant solubilizer.
2. The oil and rust remover for iron material workpieces as claimed in claim 1, wherein the alkali assistant comprises at least one of sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide and sodium metasilicate pentahydrate.
3. The oil-removing rust inhibitor for iron-material workpieces as recited in claim 1, wherein the chelating agent comprises at least one of sodium gluconate, ethylenediaminetetraacetic acid, sodium citrate, tartaric acid, and sodium alginate.
4. The oil and rust removing agent for iron-based workpieces as recited in claim 1, wherein the surfactant comprises at least one of an alkyl polyoxyethylene ether-based surfactant and a castor oil polyoxyethylene ether-based surfactant.
5. The oil and rust inhibitor for iron material workpieces according to claim 4, wherein the alkyl polyoxyethylene ether-based surfactant includes JFC, AEO5, AEO7, and AEO 9.
6. The oil and rust removing agent for iron-based workpieces as recited in claim 4, wherein the castor oil polyoxyethylene ether-based surfactant comprises EL-20, EL-40 and EL-60.
7. The oil and rust inhibitor for iron workpieces as recited in claim 1, wherein the rust inhibitor comprises at least one of monoethanolamine, diethanolamine, triethanolamine borate, and sodium benzoate.
8. The oil and rust remover for ferrous workpieces as recited in claim 1, wherein the washing aid solubilizer comprises at least one of ethylene glycol ethyl ether, propylene glycol methyl ether acetate and diethylene glycol ethyl ether acetate.
9. A method for removing oil from an oil and rust inhibitor for an iron workpiece is characterized by comprising the following steps:
sequentially adding a chelating agent, an alkaline assistant and an antirust corrosion inhibitor into water, and stirring to completely dissolve all the components to obtain a first mixed solution; wherein the mass ratio of the chelating agent to the alkaline assistant to the antirust corrosion inhibitor is (0.05-0.5): (0.5-5): (0.1-5);
adding a surfactant into the washing aid solubilizer, and stirring to completely dissolve the components to obtain a second mixed solution; wherein the mass ratio of the surfactant to the washing-assistant solubilizer is (0.05-1): (0.05-5);
adding the second mixed solution into the first mixed solution, and stirring to uniformly mix the components to obtain the oil-removing antirust agent for the iron material workpiece;
and putting the iron material workpiece into the oil removal antirust agent for the iron material workpiece, and performing soaking operation to remove grease on the surface of the iron material workpiece.
10. The oil removing method of the oil removing and rust preventing agent for iron material workpieces according to claim 9, wherein the temperature of the soaking operation is 30 ℃ to 70 ℃, and the time of the soaking operation is 2min to 8 min.
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