CN102019267A - Metal surface protective treatment method and system - Google Patents
Metal surface protective treatment method and system Download PDFInfo
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- CN102019267A CN102019267A CN2010105463694A CN201010546369A CN102019267A CN 102019267 A CN102019267 A CN 102019267A CN 2010105463694 A CN2010105463694 A CN 2010105463694A CN 201010546369 A CN201010546369 A CN 201010546369A CN 102019267 A CN102019267 A CN 102019267A
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Abstract
The invention discloses a metal surface protective treatment method and system. The metal surface protective treatment method comprises the following steps: pretreating a metal surface; and coating a water-based anticorrosive film-forming agent on the pretreated metal surface so as to form a film layer with the thickness of not more than 2 microns. The metal surface protective treatment system comprises a pretreatment functional section and a coating functional section. In the scheme provided by the invention, by coating the water-based anticorrosive film-forming agent on the metal surface, the processing requirements can be met without adding the procedure of removing an insulating layer during the subsequent use process of a metal material.
Description
Technical field
The present invention relates to metal surface treatment technology, relate in particular to protecting metallic surface processing method and system.
Background technology
During modernization industry is produced; use metal materials such as steel in a large number through regular meeting; for the processing performance that guarantees metal material, surface state, antiseptic property etc.; metal material needs to carry out preliminary treatment such as surface degreasing rust cleaning before use; and pretreated metal material surface carried out preservative treatment, to prevent problems such as metal material such as steel gets rusty once more, corrosion in processing, the process that stores.
The protecting metallic surface processing method is described as example with the steel the most normal this metal material that uses below.At present the protection processing method on section bar surfaces such as employed hot rolled steel plate of Industrial-Enterprises in China and angle steel, channel-section steel can roughly comprise rust cleaning, step such as spray paint.Wherein, rust cleaning can be used the method for mechanical ball blast, also is that the method for impeller blasting is carried out, and spraying paint is at pretreated steel surface spray paint protective coating, also needs after spraying paint the paint film of steel surface is dried.And cold-rolled steel sheet is generally thinner, and the surface scribbles antirust oil, and therefore the conventional surfacecti proteon processing method for cold-rolled steel sheet can roughly comprise steps such as oil removing, phosphatization.Wherein, oil removing can comprise steps such as degreasing, washing, acid rust cleaning, and phosphatization can comprise steps such as washing, phosphatization and passivation.
In realizing process of the present invention, the inventor finds that there is following shortcoming at least in prior art:
The steel that use above-mentioned surfacecti proteon processing method to process; its surface can form thickness about 10 microns to 20 microns insulating barrier; though such layer insulating can protect metal material not to be subjected to the corrosion of external substance to a certain extent; but in follow-up use, there is in various degree influence in metal material as operations such as welding, cuttings.Especially for metal material as significant points, before it is welded, must increase the operation of removing this insulating barrier and can reach welding standard, so not only increase production process, and expended great amount of manpower and material resources, time and place;
In the process of pretreated steel surface spray paint protective coating, can use a large amount of organic solvent and chemical materials such as resin, dyestuff, consume a large amount of energy; Along with the drying of paint paint film, these organic solvents finally will evaporate in the air, and environment is caused bigger influence;
In the process of pretreated steel surface spray paint protective coating, inflammable and explosive, the hidden danger that has a lot of safety, and, need a large amount of safety and environmental protection unit of configuration, instrument etc. to be eliminated alleviation for the injury that operating personnel also can cause health;
After pretreated steel surface spray paint protective coating, the dry run of paint film needs problem of higher, and generally about 80 ℃, the oven dry heating will consume a large amount of energy.
Summary of the invention
The invention provides a kind of protecting metallic surface processing method and system, in order to solve defective of the prior art, realized that metal material does not need to increase the protecting metallic surface processing method that this operation of removal insulating barrier can satisfy processing request in follow-up use.
The invention provides a kind of protecting metallic surface processing method, comprising:
Preliminary treatment is carried out in the metal surface;
Pretreated metal surface is applied the water-repellent preservation film forming agent, be no more than 2 microns rete to form thickness.
The embodiment of the invention also provides a kind of protecting metallic surface treatment system, comprising: preprocessing function section and coating functions section;
Described preprocessing function section is used for preliminary treatment is carried out in the metal surface;
Described coating functions section is used for pretreated metal surface is applied the water-repellent preservation film forming agent, is no more than 2 microns rete to form thickness.
Protecting metallic surface processing method provided by the invention and system, by using the water-repellent preservation film forming agent that coating processing is carried out in the metal surface, formation thickness is 2 microns protective film, not only effectively protected the metal surface not to be subjected to extraneous erosion, can also guarantee that follow-up welding, cutting technique can not be subjected to the influence of this thicknesses of layers; Simultaneously, because the water-repellent preservation film forming agent is environment-friendly materials, can effectively reduce in preprocessing process for the pollution of environment and the harm of operating personnel's person; And, do not need to effectively reduce energy consumption through hyperthermia drying.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The protecting metallic surface process flow figure that Fig. 1 provides for the embodiment of the invention;
The structural representation of the protecting metallic surface treatment system that Fig. 2 provides for the embodiment of the invention;
Fig. 3 is the arrangement and the running orbit schematic diagram of spray gun among Fig. 2.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The protecting metallic surface process flow figure that Fig. 1 provides for the embodiment of the invention, this protecting metallic surface processing method is with respect to the difference of protecting metallic surface processing method maximum of the prior art: applying the water-repellent preservation film forming agent through pretreated metal surface.The water-repellent preservation liquid that this water-repellent preservation film forming agent is a kind of environmental protection, with water is medium, with biological base material is main component, biological base material comprises amino acid, conversion agent, passivator and auxiliary agent, do not contain organic solvent, do not contain heavy metal, nontoxic, can thoroughly eliminate the problem of environmental pollution that exists in spraying priming paint/parkerizing process.Biotic factor in this water-repellent preservation film forming agent can form conversion rete or passivation film by producing chelating with divalence or trivalent metal ion, and rete is bright and clean, fine and close, firm, has effectively promoted the antioxygenic property and the decay resistance of metal material.As shown in Figure 1, this method comprises:
Step 101: preliminary treatment is carried out in the metal surface.
Wherein, be example with steel, for section bars such as hot rolled steel plate and angle steel, channel-section steels, preliminary treatment comprises that steel surface is carried out impeller blasting to be handled; For cold-rolled steel sheet, preliminary treatment comprises that steel surface is removed preservative oil to be handled.In other words, there is the steel plate and the section bar of oxide layer, corrosion on the surface, can adopt the method for mechanical ball blast to carry out preliminary treatment, and the surface has grease or sheet metal can adopt chemical method to carry out preliminary treatment.
Step 102: pretreated metal surface is applied the water-repellent preservation film forming agent, be no more than 2 microns rete to form thickness.
Wherein, the water-repellent preservation film forming agent can be biological passivation (conversion) film or other environmental-friendly aqueous impregnating fluids.This water-repellent preservation film forming agent is medium with water, with biological base material is main component, comprise amino acid, conversion agent, passivator and auxiliary agent, not not with an organic solvent, do not contain heavy metal, nontoxic, can thoroughly eliminate the environmental pollution that exists in the spraying priming paint process, inflammable and explosive potential safety hazard, and can not cause any personal injury, therefore just not need to dispose a large amount of safety and environmental protection equipment etc. yet, provide cost savings the operating personnel that touch in the production process.Biotic factor in this water-repellent preservation film forming agent can form conversion rete or passivation film by producing chelating with divalence or trivalent metal ion, and rete is bright and clean, fine and close, firm, has effectively promoted the antioxygenic property and the decay resistance of metal material.
In inventor's continuous process of the test, find, the concrete coating method of this water-repellent preservation film forming agent is preferably aerial spraying, certainly can also use alternative such as airless spraying, roller coating, blade coating, dip-coating, obliterating, but the effect with aerial spraying is excellent, by adjusting spraying flow, pressure and thickness, can effectively control the uniformity of the rete that forms.
Optionally, this method can also comprise: the rete that the water-repellent preservation film forming agent is formed carries out drying, with the accelerated reaction film forming.Wherein, the rete that the water-repellent preservation film forming agent forms can be under normal temperature or low temperature heat drying, greatly reduce the energy that the oven dry heating is consumed.
Metal surface after the film forming, thicknesses of layers are about 1 micron to 2 microns, and even film layer is the water white transparency shape, all can not exert an influence for follow-up welding, cutting.Simultaneously, rete was through 80 ℃ of left and right sides alkaline solution flushings 3～5 minutes, and rete does not come off, and corrosion phenomena do not occur.Field trial through 3 months proves that this rete is the antiseptic property of guarantee fund's metal surface effectively.For example, common Q235 sheet metal, spraying back film-formation result is very good, and its surface has formed the protecting film of one deck homogeneous transparent, and thickness is less than 2 microns.Steel plate of other materials (as Q345) and big shaped steel are subjected to the influence of composite factors such as surface of steel plate temperature, surface cleanness, the phenomenon of rete White Patches can occur, but not have obvious influence for antiseptic effect and follow-up work; This transparent film layer is compared and the rust priming paint that was coated in the metal surface in the past, the situation of being convenient to observe metal itself more.
The protecting metallic surface processing method that the embodiment of the invention provides, by using the water-repellent preservation film forming agent that coating processing is carried out in the metal surface, the thicknesses of layers that forms is less than 2 microns, and thicknesses of layers can not exert an influence to operations such as follow-up welding, cuttings, does not need to increase the operation of removing rete; And this water-repellent preservation film forming agent is a water-based, not not with an organic solvent, do not contain heavy metal, nontoxic, thoroughly eliminated the environmental pollution that exists in the painting process, also solved safe banks such as inflammable and explosive simultaneously, can not cause any actual bodily harm, need not to dispose a large amount of safety and environmental protection unit and instrument the operating personnel that contact in the production process; The formed coating of this water-repellent preservation film forming agent can low-temperature heat or drying at room temperature, greatly reduces the energy that the hyperthermia drying heating is consumed; Simultaneously, this method has been simplified the operation of producing, and has reduced production cost, and efficiency is provided.
The structural representation of the protecting metallic surface treatment system that Fig. 2 provides for the embodiment of the invention is that example describes with steel, and as shown in Figure 2, this system comprises: preprocessing function section 201 and coating functions section 202.Wherein, preprocessing function section 201 is used for preliminary treatment is carried out on the surface of steel 205; Coating functions section 202 is used for pretreated steel 205 surface-coated water-repellent preservation film forming agents, is no more than 2 microns rete to form thickness.
Further, this system can also comprise: functions/drying section 203.This functions/drying section 203 is used for the rete that coating functions section 202 produces is carried out drying, with the accelerated reaction film forming.
Wherein, this system uses roller-way 204 (perhaps other modes such as suspension conveyer chain or handling) that steel 205 are carried successively through above-mentioned each function section.
Need to prove that for section bars such as hot rolled steel plate and angle steel, channel-section steels, preprocessing function section 201 can carry out impeller blasting to steel 205 surfaces to be handled; For cold-rolled steel sheet, preprocessing function section 201 can remove preservative oil to steel 205 surfaces and handle.Steel 205 surface quality of handling from preprocessing function section 201 need reach no greasy dirt, non-corroding, free from dust impurity etc.Its derusting grade need reach the Sa2.5 level, and surface cleanness is high more, and follow-up quality of forming film is good more.
Need to prove for coating functions section 202: can evenly be coated on steel 205 surfaces closely in order to realize the water-repellent preservation film forming agent, coating functions section 202 needs the supporting liquid of the configuration and the production line of whole system to carry and coating unit, when adopting spraying method to carry out the coating of water-repellent preservation film forming agent, coating functions section 202 mainly can comprise: fluid reservoir, delivery pump and transfer pipeline, spray gun, workpiece sensing and switch rifle device.
Wherein, fluid reservoir is used for storage and provides the water-repellent preservation film forming agent to liquid delivery pump; Delivery pump and transfer pipeline are the main bodys of the conveying of water-repellent preservation film forming agent, guarantee that a certain amount of water-repellent preservation film forming agent is delivered to spray gun; Spray gun is used for the water-repellent preservation film forming agent atomized and sprays to the key equipment on steel 205 surfaces, and quantity, position and the angle of spray gun can be set according to the shape of steel 205.4 spray guns generally are set, the upper and lower of roller-way 204 also is that 2 spray guns are respectively established in the upper and lower of steel 205, steel 205 vertically transmit on roller-way 204, spray gun is perpendicular to the traffic direction of roller-way 204 and laterally back and forth operation, spray gun is in the certain angle that tilts of the direction perpendicular to steel 205, to guarantee that steel 205 upper and lower surfaces and facade are sprayed equably, do not leak spray.The arrangement schematic diagram and the running orbit of spray gun can be as shown in Figure 3.Workpiece sensing and switch rifle device are used for detecting initial, terminal point and the width border of steel 205 operations by spraying position, thereby the switch of control spray gun is realized continuously, spraying automatically.Also need to prove, when spray gun is air gun, need compressed air as air gun the water-repellent preservation film forming agent to be sprayed, atomize and sprays to the crucial medium and the power on steel 205 surfaces from nozzle.
The water-repellent preservation film forming agent consumption that uses in the coating functions section 202 is less, and key is the uniformity that guarantees coating, and more excellent selection is to adopt the air gun spraying.The major parameter of selecting for use air gun to spray continuously on production line comprises: nozzle diameter scope 0.8～2.5mm is preferably 1.0～1.5mm, compressed air pressure scope 0.15～0.5MPa.Certainly,, also can adopt airless spraying according to taking all factors into consideration of steel 205 structures and apparatus-form, or coating method such as roller coating, obliterating, showering, dip-coating.Coated weight is as the criterion with steel 205 surperficial complete wetting, even covering, no holiday.
Need to prove for functions/drying section 203, drying and forming-film need be finished in certain temperature and time, behind the steel 205 surface-coated water-repellent preservation film forming agents, can begin film formation reaction, film formation reaction can realize more than 5 ℃ that reaction temperature is more wide in range.Steel begin to carry out the drying and forming-film process after entering functions/drying section 203, and being generally 25 ℃～45 ℃ from energy-conservation consideration bake out temperature can meet the demands, and can use normal temperature to carry out film forming season in high temperature drying, do not need heat drying.Also can select higher temperature to quicken drying.Specifically can carry out the setting and the adjustment of baking temperature according to conditions such as production efficiency, the speed of service and seasonal temperature, humidity etc.
After utilizing above-mentioned protecting metallic surface treatment system that steel surface is carried out protective treatment, the rete of formation has following characteristics: rete is thin, and the rete color is different on the steel of unlike material, presents the true qualities of handling the back metal substantially; The rete antiseptic property satisfy after the steel preliminary treatment store, the requirement for anticorrosion in the process; High temperature resistant, steel are cut, damaged less for rete when welding; Rete is good with the supporting coating performance of paint; Rete has excellent conducting performance, and cutting, weld job are not had influence.
Need to prove that the water-repellent preservation film forming agent that provides in the embodiment of the invention not only can be applied in steel surface, can also be applied in non-ferrous metal surfaces such as copper, aluminium, magnesium, zinc and alloy, plays the effect of sealing, passivation, protection.
Present embodiment provides a kind of protecting metallic surface treatment system, by using the water-repellent preservation film forming agent that coating processing is carried out in the metal surface, the thicknesses of layers that forms is less than 2 microns, and thicknesses of layers can not exert an influence to operations such as follow-up welding, cuttings, does not need to increase the operation of removing rete; And this water-repellent preservation film forming agent is a water-based, not not with an organic solvent, do not contain heavy metal, nontoxic, thoroughly eliminated the environmental pollution that exists in the painting process, also solved safe banks such as inflammable and explosive simultaneously, can not cause any actual bodily harm, need not to dispose a large amount of safety and environmental protection unit and instrument the operating personnel that contact in the production process; The formed coating of this water-repellent preservation film forming agent can low-temperature heat or drying at room temperature, greatly reduces the energy that the hyperthermia drying heating is consumed; Simultaneously, this method has been simplified the operation of producing, and has reduced production cost, and efficiency is provided.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a protecting metallic surface processing method is characterized in that, comprising:
Preliminary treatment is carried out in the metal surface;
Pretreated metal surface is applied the water-repellent preservation film forming agent, be no more than 2 microns rete to form thickness.
2. protecting metallic surface processing method according to claim 1 is characterized in that, also comprises:
Described rete is carried out drying, with the accelerated reaction film forming.
3. protecting metallic surface processing method according to claim 2 is characterized in that, the mode of described drying comprises: air drying or low-temperature heat drying.
4. according to each described protecting metallic surface processing method in the claim 1 to 3, it is characterized in that, describedly preliminary treatment is carried out in the metal surface comprise:
To oxide layer, corrosion and the impurity of the described metal surface cleaning that eliminates rust; And/or,
Grease to described metal surface removes the slushing oil processing.
5. according to each described protecting metallic surface processing method in the claim 1 to 3, it is characterized in that the coating method of described water-repellent preservation film forming agent comprises:
Aerial spraying, airless spraying, roller coating, blade coating, dip-coating or obliterating.
6. protecting metallic surface processing method according to claim 1 is characterized in that, described water-repellent preservation film forming agent is medium with water, is main component with biological base material, and described biological base material comprises: amino acid, conversion agent, passivator and auxiliary agent.
7. a protecting metallic surface treatment system is characterized in that, comprising: preprocessing function section and coating functions section;
Described preprocessing function section is used for preliminary treatment is carried out in the metal surface;
Described coating functions section is used for pretreated metal surface is applied the water-repellent preservation film forming agent, is no more than 2 microns rete to form thickness.
8. the surfacecti proteon treatment system of carrying out according to claim 7 is characterized in that, also comprises: the functions/drying section;
Described functions/drying section is used for the rete that described coating functions section forms is carried out drying, with the accelerated reaction film forming.
9. according to claim 7 or 8 described protecting metallic surface treatment systems, it is characterized in that when adopting spraying method to apply, described coating functions section comprises:
Fluid reservoir is used to store described water-repellent preservation film forming agent;
Delivery pump and transfer pipeline link to each other with described fluid reservoir, are used to carry described water-repellent preservation film forming agent;
Spray gun links to each other with described infusion pipeline, is used for described water-repellent preservation film forming agent is sprayed to metallic surface;
Workpiece sensing and switch rifle device, be used to detect the metal operation by spraying position initial, terminal point and the width border to control the switch of described spray gun.
10. protecting metallic surface treatment system according to claim 9 is characterized in that, the nozzle diameter scope of described spray gun is between 1.0mm～1.5mm; The compressed air pressure scope of described spray gun is between 0.15MPa～0.5MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010546369 CN102019267B (en) | 2010-11-15 | 2010-11-15 | Metal surface protective treatment method and system |
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| CN 201010546369 CN102019267B (en) | 2010-11-15 | 2010-11-15 | Metal surface protective treatment method and system |
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| CN102019267A true CN102019267A (en) | 2011-04-20 |
| CN102019267B CN102019267B (en) | 2013-04-17 |
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| CN 201010546369 Expired - Fee Related CN102019267B (en) | 2010-11-15 | 2010-11-15 | Metal surface protective treatment method and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480550A (en) * | 2013-09-24 | 2014-01-01 | 昆山凯诺尔金属制品有限公司 | Wear-resisting pre-processing method and device of metal product |
| CN106796829A (en) * | 2014-08-27 | 2017-05-31 | 田中贵金属工业株式会社 | The forming method and electric conductor of metal pattern |
| CN110064580A (en) * | 2019-04-26 | 2019-07-30 | 淄博纳银新材料科技有限公司 | A kind of means of defence of metal surface |
| CN116265132A (en) * | 2021-12-16 | 2023-06-20 | 包头北方创业有限责任公司 | Method for treating surface of workpiece |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480550A (en) * | 2013-09-24 | 2014-01-01 | 昆山凯诺尔金属制品有限公司 | Wear-resisting pre-processing method and device of metal product |
| CN106796829A (en) * | 2014-08-27 | 2017-05-31 | 田中贵金属工业株式会社 | The forming method and electric conductor of metal pattern |
| CN106796829B (en) * | 2014-08-27 | 2019-04-05 | 田中贵金属工业株式会社 | The forming method and electric conductor of metal pattern |
| CN110064580A (en) * | 2019-04-26 | 2019-07-30 | 淄博纳银新材料科技有限公司 | A kind of means of defence of metal surface |
| CN110064580B (en) * | 2019-04-26 | 2021-11-30 | 淄博纳银新材料科技有限公司 | Protection method for metal surface |
| CN116265132A (en) * | 2021-12-16 | 2023-06-20 | 包头北方创业有限责任公司 | Method for treating surface of workpiece |
| CN116265132B (en) * | 2021-12-16 | 2024-02-09 | 包头北方创业有限责任公司 | Method for treating surface of workpiece |
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|---|---|
| CN102019267B (en) | 2013-04-17 |
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