CN102688846A - Metal corrosion-preventing method - Google Patents
Metal corrosion-preventing method Download PDFInfo
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- CN102688846A CN102688846A CN201210194235XA CN201210194235A CN102688846A CN 102688846 A CN102688846 A CN 102688846A CN 201210194235X A CN201210194235X A CN 201210194235XA CN 201210194235 A CN201210194235 A CN 201210194235A CN 102688846 A CN102688846 A CN 102688846A
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Abstract
The invention discloses a metal corrosion-preventing method, and particularly relates to a corrosion-preventing method which forms a wax film on the metal surface by putting metal into melted wax liquid and then quickly feeding the metal into the water, belonging to the technical field of metal corrosion prevention. The defects of complicated process, high technique requirement and high processing cost of the various corrosion-preventing process in the prior art can be overcome. According to the process principle, the metal corrosion-preventing method comprises the following steps of: mixing paraffins, stearic acid and liquid paraffin to form mixed wax; adding the mixed wax into a constant-temperature heating container, and heating and dissolving the mixed wax to be mixed wax liquid; soaking a metal material into the mixed wax liquid, and continuously heating to ensure that the metal material is at the temperature of the mixed wax liquid, that is, the metal material and the mixed wax liquid are at the same temperature; taking out the metal material; removing the wax liquid on the surface of the metal material in a dipping mode; and feeding the metal material into cold water at the room temperature to quickly cool the metal surface, thus forming the wax film with the thickness between 0.02MM and 0.05MM on the metal surface when the metal is cooled so as to cover the surface of the whole metal material; therefore a corrosion-preventing aim can be fulfilled by covering the wax film on the metal surface; and in addition, the practicability is high.
Description
Technical field
The present invention relates to a kind of metal corrosion preventing method, relate in particular to a kind of metal is put into and drop into water forms cere in the metal surface anti-corrosion method fast after melting wax liquid, belong to the anti-corrosion of metal technical field.
Background technology
Present known metal corrosion preventing method has a variety of, and for example anticorrosion with painting oil is anticorrosion, spray paint is anticorrosion, turn blue in the surface (deceiving), electroplate technologies such as anticorrosion.The various anticorrosion process of prior art all exist complex process, high, the high drawback of disposal cost of specification requirement.
Especially the workpiece of storage of the raw material of metal material and metalworking is anticorrosion; Generally be to adopt anticorrosion with painting oil technology to carry out anticorrosion; Raw material are when outdoor stacking, because outdoor exposing to the sun and rain, its surperficial antiseptic oil volatilizees in the short time very soon; Do not reach the corrosion-resistant purpose, the volatilization gas environmental pollution of antiseptic oil.Workpiece is when long-term storage, and antiseptic oil also can volatilize very soon, can form special odor in the stacking warehouse, influences the healthy of workman.After the workpiece of outlet device or the accessory vanning, go abroad through sea-freight, in the sea-freight process, salt fog can be penetrated in the packing case, causes the workpiece corrosion, causes damage for country and enterprise.
Summary of the invention
Technical problem to be solved by this invention is: have a kind of metal is put into to melt the deficiency that drops into water anti-corrosion method of formation cere in the metal surface fast behind the wax liquid in order to overcome existing nothing; The objective of the invention is in order to provide a kind of metal is put into to drop into water forms cere in the metal surface anti-corrosion method fast after melting wax liquid; The technological process of this metal corrosion preventing method is short, and cost is low, and the corrosion-resistant time is long; Reliability is high, reaches to cover cere in the metal surface and carry out the corrosion-resistant purpose.
Technological principle of the present invention is paraffin, stearic acid and atoleine to be mixed the back form blended wax; Blended wax is added to heat in the heated at constant temperature container is dissolved into blended wax liquid, then metal material is immersed blended wax liquid, and continuing to heat makes metal material reach the temperature of blended wax liquid; Be metal material and blended wax liquid isothermal; Fish for metal material, drip and remove metal material surface wax liquid, then metal material is put in the cold water of room temperature; Cool off fast the metal surface; Can form the surface that the cere of thickness 0.02MM-0.05MM wraps up whole metal material during cooling in the metal surface, unnecessary blended wax liquid is cooled to blended wax and bubbles through the water column, and blended wax gets into the heated at constant temperature container again and heats repeated use after dehydration;
Cere is filled up the fine lines and the pit of metal surface, has increased the surface area that adheres to, because the cere thin thickness; Reduced the fragility of blended wax; The time can not produce in collision and to peel off and come off, can make the wax of the point of impingement thinner, cere is to all surface parcel of metal material; Cere is isolated the effect of oxygen and other corrosion things, reaches metal material corrosion-resistant purpose.
Paraffin is claimed crystalline wax again, and normally the waxy solid of white, colorless and odorless dissolves the about 0.9g/cm3 of density at 47 ℃-64 ℃.It is water insoluble, but dissolves in ether, benzene and some ester.Paraffin refined wax is good insulator, and its resistivity is the 1013-1017 ohm meter, and is all higher than the most of materials except that some plastics (especially Teflon).Paraffin also is good heat accumulating, and its specific heat capacity is 2.14 – 2.9Jg – 1K, and melting heat is 200 – 220Jg.Paraffin is the main component of candle.Scale wax is mainly used in and makes match, fiberboard, sail cloth etc. because oil content is more.After adding polyolefin additive in the paraffin, its fusing point increases, and adhesiveness and pliability increase are widely used in wrapping paper, the cardboard of protection against the tide, waterproof, the face coat and the candle production of some textile.Paper is immersed the various paraffin paper that just can produce good water resistance behind the paraffin, can be used for packing, metal rust preventing and press such as food, medicine; Paraffin can make textile soft, smooth and flexible after adding cotton yarn; Paraffin can also make washing agent, emulsifying agent, dispersant, plasticizer, lubricating grease and wait most.Because the resource of animal wax and vegetable wax is more and more nervous, present candle is paraffin manufacturing mostly.Fusing when paraffin is heated, luminous during candle combustion, over-emitting black exhaust, heat release.(selecting from Baidu's encyclopaedia) paraffin is in the present invention mainly as the effect of film forming agent and air insulated agent.
Stearic acid, i.e. octadecanoid acid, molecular formula C18H36O2 by grease hydrolysis production, is mainly used in the production stearate.Every gram is dissolved in 21ml ethanol, and 5ml benzene is in 2ml chloroform or the 6ml carbon tetrachloride.Proterties: pure article have a little the wax shape small pieces crystalline solid of gloss for white.Fusing point: 56 ℃-69.6 ℃; Boiling point: 232 ℃ (2.0kPa); Flash-point: 220.6 ℃; Self-ignition point: 444.3 ℃; Relative density: 0.9408; Complex refractivity index: 1.4299+0.3234i; Complex dielectric permittivity: 35.6+1.3i; Stability: 360 ℃ of decomposition (having data to claim 376.1 ℃ in addition); Toxicity: nontoxic; Other: slowly volatilization under 90-100 ℃.The chemical general character with general organic carboxyl acid.(selecting from Baidu's encyclopaedia) stearic acid main purpose in the present invention is to reduce cost and increase hardness and whiteness, and improves the resistant to elevated temperatures effect that the metal surface becomes cere.
Atoleine is the mixture from the resulting colorless and odorless of crude oil fractionation.It can be divided into two kinds in light mineral oil and general mineral oil, and the proportion of light mineral oil and stickiness are lower.The atoleine proterties is a colourless transparent oil liquid, under daylight, observes not show fluorescence.Do not have under the room temperature and smell tastelessly, slightly oil is smelly after the heating.Density (proportion): 0.86-0.905 (25 degree).The kind of atoleine is a lot, and its lubricant effect also has nothing in common with each other.In the initial stage of that lubricant effect is good in extruding processing, and heat endurance is also better.But poor because of intermiscibility, goods were prone to be clamminess when consumption was too much.(selecting from Baidu's encyclopaedia) atoleine plays the effect of the flowability that increases the blended wax liquid that melts in the present invention.
The technical scheme of technical solution problem of the present invention is: a kind of metal corrosion preventing method, and relate in particular to a kind of metal is put into and drop into water forms cere in the metal surface anti-corrosion method fast after melting wax liquid, its processing step is following:
A, with paraffin: stearic acid: atoleine=80-90:8-15:2-5 mixes blended wax that the back forms according to weight ratio and adds in the thermostatic container and fully be heated with stirring to 70 ℃-80 ℃, forms blended wax liquid;
B, metal material is put in the thermostatic container, thermostatic container continues to heat and makes metal material reach the temperature of blended wax liquid, i.e. metal material and blended wax liquid isothermal;
C, fish for metal material, metal material is suspended in the thermostatic container top, drip and remove the wax liquid that metal material surface flows, control metal material temperature descends less than 5 ℃;
D, metal material is put in the container of the cold water that room temperature is housed fast;
E, the floating blended wax of vessel surface of fishing for the cold water that room temperature is housed add stand-by heat with joining again after the moisture blended wax dehydration in the thermostatic container;
F, surface in the container of cold water of room temperature will be housed be wrapped with the metal material that mixes cere and pull out, treat its dry tack free after, can preserve by the conventional method warehouse-in.
The metal material of indication of the present invention is the metallic article after the surface does not have rustless metallic article and known technology rust cleaning.
The thermostatic container of indication of the present invention is that heat with known technology and the container ability automatic constant-temperature.
Key technology of the present invention is: metal material is put in the thermostatic container, and thermostatic container continues to heat and makes metal material reach the temperature of blended wax liquid, promptly could in thermostatic container, take out when metal material and blended wax liquid isothermal, gets into next step technology; Drip and remove the wax liquid that metal material surface flows, control metal material temperature descends less than 5 ℃; Metal material should be put in the container of the cold water that room temperature is housed fast, can not slowly drop into.
Compare with conventional art, the useful technique effect that the present invention obtains is: the technological process of this metal corrosion preventing method is short, and cost is lower; The corrosion-resistant time is long; Reliability is high, reduces toxic and harmful and fluid discharge, protection environment and operator's safety; Reach and cover cere in the metal surface and carry out the corrosion-resistant purpose, practicality is big.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is a process schematic representation of the present invention.
The specific embodiment
Below in conjunction with specific embodiment the present invention is further specified, but protection domain of the presently claimed invention is not limited to the described scope of specific embodiment.
A kind of metal corrosion preventing method relates in particular to a kind of metal is put into and drops into water forms cere in the metal surface anti-corrosion method fast after melting wax liquid, and concrete technological process is:
Metal material → be immersed in heat back paraffin+stearic acid+atoleine blended wax liquid → insulation be heated to drip behind metal material and blended wax liquid isothermal → the fish for metal material wax → metal material drop into fast the container of the cold water that room temperature is housed interior → metal material that the surface is wrapped with the mixing cere pulls out → drying → warehouse-in.
Instance 1, its processing step is following:
A, with paraffin: stearic acid: atoleine=80:15:5 mixes blended wax that the back forms according to weight ratio and adds in the thermostatic container and fully be heated with stirring to 80 ℃, forms blended wax liquid;
B, the screw-thread steel of 6 meters of 20 diameters, 14 mm lengths is put in the thermostatic container, thermostatic container continues to heat and makes screw-thread steel reach 80 ℃, i.e. metal material and blended wax liquid isothermal;
C, fish for screw-thread steel, screw-thread steel is suspended in the thermostatic container top, drip and remove the wax liquid that flows in the screw-thread steel surface, control screw-thread steel temperature descends less than 5 ℃;
D, then screw-thread steel is put in the container of the cold water that room temperature is housed fast;
E, the floating blended wax of vessel surface of fishing for the cold water that room temperature is housed add stand-by heat with joining again after the moisture blended wax dehydration in the thermostatic container;
F, surface in the container of cold water of room temperature will be housed be wrapped with the screw-thread steel that mixes cere and pull out, treat its dry tack free after, can preserve by the conventional method warehouse-in.
The surface range estimation of treated screw-thread steel does not have the cere of mixing cracking and comes off, and 10 times of magnifying glasses are observed surperficial pore-free.
The screw-thread steel of 6 meters of the screw-thread steel of 6 meters of diameter 14 mm lengths of 20 above-mentioned PROCESS FOR TREATMENT of process and 20 undressed diameter 14 mm lengths is deposited in outdoor warehouse does contrast test; The equal non-corroding in treated 20 screw-thread steels surface after 30 days, 20 of contrast groups do not have all corrosions of screw-thread steel surface of processing.
Instance 2, its processing step is following:
A, with paraffin: stearic acid: atoleine=90:8:2 mixes blended wax that the back forms according to weight ratio and adds in the thermostatic container and fully be heated with stirring to 70 ℃, forms blended wax liquid;
B, the gear of 200 millimeters of 10 diameters (gear is that the 45# steel is done, and tooth portion does high-frequency quenching and handles) is put in the thermostatic container, thermostatic container continues to heat and makes gear reach 70 ℃, i.e. metal material and blended wax liquid isothermal;
C, fish for gear, gear is suspended in the thermostatic container top, drip and remove the wax liquid that gear surface flows, the control gear temperature descends less than 5 ℃;
D, then gear is put in the container of the cold water that room temperature is housed fast;
E, the floating blended wax of vessel surface of fishing for the cold water that room temperature is housed add stand-by heat with joining again after the moisture blended wax dehydration in the thermostatic container;
F, surface in the container of cold water of room temperature will be housed be wrapped with the gear that mixes cere and pull out, treat its dry tack free after, can preserve by the conventional method warehouse-in.
Treated gear surface range estimation does not have the cere of mixing cracking and comes off, and 10 times of magnifying glasses are observed surperficial pore-free.
200 millimeters gears of diameter and 200 millimeters gears of 10 undressed diameters of 10 above-mentioned PROCESS FOR TREATMENT of process are carried out neutral salt spray test (NSS test); Treated 10 equal non-corrodings of gear surface after 48 hours, 10 of contrast groups do not have the whole corrosions of gear surface of processing.
Claims (1)
1. metal corrosion preventing method, it is characterized in that: its processing step is following:
A, with paraffin: stearic acid: atoleine=80-90:8-15:2-5 mixes blended wax that the back forms according to weight ratio and adds in the thermostatic container and fully be heated with stirring to 70 ℃-80 ℃, forms blended wax liquid;
B, metal material is put in the thermostatic container, thermostatic container continues to heat and makes metal material reach the temperature of blended wax liquid, i.e. metal material and blended wax liquid isothermal;
C, fish for metal material, metal material is suspended in the thermostatic container top, drip and remove the wax liquid that metal material surface flows, control metal material temperature descends less than 5 ℃;
D, metal material is put in the container of the cold water that room temperature is housed fast;
E, the floating blended wax of vessel surface of fishing for the cold water that room temperature is housed add stand-by heat with joining again after the moisture blended wax dehydration in the thermostatic container;
F, surface in the container of cold water of room temperature will be housed be wrapped with the metal material that mixes cere and pull out, treat its dry tack free after, can preserve by the conventional method warehouse-in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210194235 CN102688846B (en) | 2012-06-14 | 2012-06-14 | Metal corrosion-preventing method |
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| CN 201210194235 CN102688846B (en) | 2012-06-14 | 2012-06-14 | Metal corrosion-preventing method |
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| CN102688846A true CN102688846A (en) | 2012-09-26 |
| CN102688846B CN102688846B (en) | 2013-09-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436306A (en) * | 2018-05-04 | 2019-11-12 | 奥的斯电梯公司 | Band coating rope sheave |
| CN110813680A (en) * | 2019-11-15 | 2020-02-21 | 襄阳航林机械有限公司 | Rust prevention method for cast iron cylinder body by heating infiltration |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158352A (en) * | 1996-02-29 | 1997-09-03 | 刘雁群 | Multipurpose emulsifying wax and its prepn. method |
| US20100285309A1 (en) * | 2007-09-21 | 2010-11-11 | Henkel Ag & Co. Kgaa | Primer compositions for adhesive bonding systems and coatings |
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2012
- 2012-06-14 CN CN 201210194235 patent/CN102688846B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158352A (en) * | 1996-02-29 | 1997-09-03 | 刘雁群 | Multipurpose emulsifying wax and its prepn. method |
| US20100285309A1 (en) * | 2007-09-21 | 2010-11-11 | Henkel Ag & Co. Kgaa | Primer compositions for adhesive bonding systems and coatings |
Non-Patent Citations (2)
| Title |
|---|
| 刘芳等: "硬脂酸钙对石蜡、硬脂酸润滑作用的影响及其理论分析", 《聚氯乙烯》 * |
| 吴德炳等: "钢管产品的热浸蜡基防锈涂层", 《钢管技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436306A (en) * | 2018-05-04 | 2019-11-12 | 奥的斯电梯公司 | Band coating rope sheave |
| US11111108B2 (en) | 2018-05-04 | 2021-09-07 | Otis Elevator Company | Coated sheave |
| CN110813680A (en) * | 2019-11-15 | 2020-02-21 | 襄阳航林机械有限公司 | Rust prevention method for cast iron cylinder body by heating infiltration |
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| Publication number | Publication date |
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| CN102688846B (en) | 2013-09-11 |
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Address after: Chongqing city Wansheng District No. 18 West Road 400800 Patentee after: Wu Chao Address before: 315000 Haishu, Ningbo District, Lan Lan lane, room 15, No. 704, No. Patentee before: Wu Chao |
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Effective date of registration: 20221229 Address after: 276000 No. 001, Torch Building, Keji Avenue, high tech Zone, Linyi City, Shandong Province Patentee after: Linyi high tech Real Estate Co.,Ltd. Address before: No. 18, Xicheng Avenue, Wansheng District, Chongqing 400800 Patentee before: Wu Chao |
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