CN109092647A - A kind of surface spray coating process of door-window section bar - Google Patents

A kind of surface spray coating process of door-window section bar Download PDF

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Publication number
CN109092647A
CN109092647A CN201811187025.1A CN201811187025A CN109092647A CN 109092647 A CN109092647 A CN 109092647A CN 201811187025 A CN201811187025 A CN 201811187025A CN 109092647 A CN109092647 A CN 109092647A
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CN
China
Prior art keywords
door
section bar
window section
parts
spray coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811187025.1A
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Chinese (zh)
Inventor
孙从国
周扬
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Anhui Jinpeng Energy Technology Co Ltd
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Anhui Jinpeng Energy Technology Co Ltd
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Publication date
Application filed by Anhui Jinpeng Energy Technology Co Ltd filed Critical Anhui Jinpeng Energy Technology Co Ltd
Priority to CN201811187025.1A priority Critical patent/CN109092647A/en
Publication of CN109092647A publication Critical patent/CN109092647A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102Pretreatment of metallic substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00Metallic substrate
    • B05D2202/20Metallic substrate based on light metals
    • B05D2202/25Metallic substrate based on light metals based on Al
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2503/00Polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2504/00Epoxy polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2508/00Polyesters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The invention discloses a kind of surface spray coating process of door-window section bar, include the following steps: S1, door-window section bar surface is polished, and are placed in room temperature acid solution;S2, NaOH solution are sprayed through nozzle to door-window section bar surface;S3, door-window section bar after step S2 processing is sling, drips raffinate to the greatest extent, quickly hangs in and impregnate 20-30min in rinsing bowl, then it slings, is rinsed using clear water again, flushing pressure 20MPa-140MPa, then under 40-50 DEG C of environment, drying drips residual moisture to the greatest extent;S4, protective paint is used into spraying method on door-window section bar surface, obtains paint film, film thickness is 5-15 μm, after then solidifying protective paint, and in protective paint spraying process, the air after need to polluting to protective paint is filtered purified treatment.The present invention removes its oxide on surface by the polishing to door-window section bar surface, and protective paint can be fitted closely with door-window section bar surface, not easily to fall off, effectively improves the water-fast, wear-resisting of door-window section bar, antiseptic property.

Description

A kind of surface spray coating process of door-window section bar
Technical field
The invention belongs to the surface spraying technology fields of door-window section bar, more specifically more particularly to a kind of door-window section bar Surface spray coating process.
Background technique
Profile has obtained extensively because of its advantage in terms of intensity and processing in building structure and manufacture installing area Application.Currently, the mode of cathode electrophoretic coating is mostly used to realize the process of surface treatment of door and window aluminium section bar in the market, this method is easy Cause the pollution to environment, the quality of spraying process directly affects the adhesive force of coating, appearance, the humidity of coating and resistance to Corrosion etc., because best film is all to adhere to the surface conscientiously cleared up.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of surface of the door-window section bar proposed Spraying process.
To achieve the above object, the invention provides the following technical scheme:
A kind of surface spray coating process of door-window section bar, includes the following steps:
S1, qualified door-window section bar surface is polished using sander, door-window section bar is placed in normal temperature acid immediately after polishing In liquid, soaking time 3-5min slings door-window section bar, drips raffinate to the greatest extent, quickly hangs in rinsing bowl and clean;
Under S2, room temperature, with the NaOH solution rinsing step S1 of 100-150g/L treated door-window section bar, NaOH solution is through nozzle It sprays to door-window section bar surface, the injection pressure of nozzle are as follows: 20MPa-140MPa, flow are as follows: 50L/min-160L/min;
S3, door-window section bar after step S2 processing is sling, drips raffinate to the greatest extent, quickly hangs in and impregnate 20-30min in rinsing bowl, Then it slings, is rinsed using clear water again, flushing pressure 20MPa-140MPa dries then under 40-50 DEG C of environment It is dry to drip residual moisture to the greatest extent;
S4, protective paint is used into spraying method on door-window section bar surface, obtains paint film, film thickness is 5-15 μm, then will be prevented After vernix solidification, in protective paint spraying process, the air after need to polluting to protective paint is filtered purified treatment.
Preferably, need to examine door-window section bar one by one before the step S1, to have obviously deform, bubble and coarse The profile inspection of defect, which is made, scraps processing.
Preferably, the water after cleaning in rinsing bowl in the step S1 is forced through the charged rolling seperation film mistake of micropore through pump Filter, filtered water pass through resin acid absorption method again and carry out further filtration treatment, and filtered water carries out Conventional waste water processing.
Preferably, room temperature acid solution is phosphoric acid solution that mass fraction is 75-85% in the step S1.
Preferably, solidification temperature is 180-220 DEG C in the step S4, after solidifying 20-30min, natural cooling.
Preferably, the protection raw materials for varnish includes the following parts by weight: 50-60 parts of polyester resin, modified epoxy tree 20-30 parts of rouge, 2-8 parts of aluminium oxide, 6-8 parts of waterglass, 3-8 parts of modified polyurethane, 3-11 parts of sodium alginate, stearic acid 15-20 Part, 3-5 parts of barium sulfate, 6-15 parts of talcum powder, 3-9 parts of zinc oxide, 2-12 parts of ethyl alcohol.
Compared with prior art, the beneficial effects of the present invention are: a kind of surface of door-window section bar provided by the invention sprays Technique, compared with traditional technology, this method is easy to operate, by the polishing to door-window section bar surface, removes its oxide on surface, And protective paint can be fitted closely with door-window section bar surface, and it is not easily to fall off, effectively improve the water-fast, wear-resisting of door-window section bar, anti-corrosive properties Energy.
By the way that in spraying process, the water after cleaning in rinsing bowl is forced through the charged rolling seperation film mistake of micropore through pump Filter, filtered water pass through resin acid absorption method again and carry out further filtration treatment, and filtered water carries out Conventional waste water processing, And in protective paint spraying process, the air after need to polluting to protective paint is filtered purified treatment, reaches the guarantor to environment Shield effect.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of surface spray coating process of door-window section bar, includes the following steps:
S1, qualified door-window section bar surface is polished using sander, door-window section bar is placed in normal temperature acid immediately after polishing In liquid, soaking time 3min slings door-window section bar, drips raffinate to the greatest extent, quickly hangs in rinsing bowl and clean;
Under S2, room temperature, with the NaOH solution rinsing step S1 of 100g/L treated door-window section bar, NaOH solution is sprayed through nozzle To door-window section bar surface, the injection pressure of nozzle are as follows: 20MPa, flow 50L/min;
S3, door-window section bar after step S2 processing is sling, drips raffinate to the greatest extent, quickly hangs in and impregnate 20min in rinsing bowl, then It slings, is rinsed using clear water again, flushing pressure 20MPa, then under 40 DEG C of environment, drying drips residual moisture to the greatest extent;
S4, protective paint is used into spraying method on door-window section bar surface, obtains paint film, film thickness is 5 μm, then by protective paint After solidification, in protective paint spraying process, the air after need to polluting to protective paint is filtered purified treatment.
Specifically, need to examine door-window section bar one by one before the step S1, to have obviously deform, bubble and coarse The profile inspection of defect, which is made, scraps processing.
Specifically, the water after cleaning in rinsing bowl in the step S1 is forced through the charged rolling seperation film mistake of micropore through pump Filter, filtered water pass through resin acid absorption method again and carry out further filtration treatment, and filtered water carries out Conventional waste water processing.
Specifically, room temperature acid solution is the phosphoric acid solution that mass fraction is 75% in the step S1.
Specifically, solidification temperature is 180 DEG C in the step S4, and after solidifying 20min, natural cooling.
Specifically, the protection raw materials for varnish includes the following parts by weight: 50 parts of polyester resin, modified epoxy 20 Part, 2 parts of aluminium oxide, 6 parts of waterglass, 3 parts of modified polyurethane, 5 parts of sodium alginate, 15 parts of stearic acid, 3 parts of barium sulfate, talcum powder 6 Part, 5 parts of zinc oxide, 2 parts of ethyl alcohol.
Embodiment 2
A kind of surface spray coating process of door-window section bar, includes the following steps:
S1, qualified door-window section bar surface is polished using sander, door-window section bar is placed in normal temperature acid immediately after polishing In liquid, soaking time 5min slings door-window section bar, drips raffinate to the greatest extent, quickly hangs in rinsing bowl and clean;
Under S2, room temperature, with the NaOH solution rinsing step S1 of 150g/L treated door-window section bar, NaOH solution is sprayed through nozzle To door-window section bar surface, the injection pressure of nozzle are as follows: 140MPa, flow are as follows: 160L/min;
S3, door-window section bar after step S2 processing is sling, drips raffinate to the greatest extent, quickly hangs in and impregnate 30min in rinsing bowl, then It slings, is rinsed using clear water again, flushing pressure 140MPa, then under 50 DEG C of environment, drying drips residual moisture to the greatest extent;
S4, protective paint is used into spraying method on door-window section bar surface, obtains paint film, film thickness is 15 μm, then will protection After paint solidification, in protective paint spraying process, the air after need to polluting to protective paint is filtered purified treatment.
Specifically, need to examine door-window section bar one by one before the step S1, to have obviously deform, bubble and coarse The profile inspection of defect, which is made, scraps processing.
Specifically, the water after cleaning in rinsing bowl in the step S1 is forced through the charged rolling seperation film mistake of micropore through pump Filter, filtered water pass through resin acid absorption method again and carry out further filtration treatment, and filtered water carries out Conventional waste water processing.
Specifically, room temperature acid solution is the phosphoric acid solution that mass fraction is 85% in the step S1.
Specifically, solidification temperature is 220 DEG C in the step S4, and after solidifying 30min, natural cooling.
Specifically, the protection raw materials for varnish includes the following parts by weight: 60 parts of polyester resin, modified epoxy 20 Part, 2 parts of aluminium oxide, 6 parts of waterglass, 8 parts of modified polyurethane, 5 parts of sodium alginate, 15 parts of stearic acid, 5 parts of barium sulfate, talcum powder 6 Part, 5 parts of zinc oxide, 6 parts of ethyl alcohol.
In summary: a kind of surface spray coating process of door-window section bar provided by the invention, compared with traditional technology, this method It is easy to operate, by the polishing to door-window section bar surface, its oxide on surface is removed, so that protective paint can be with door-window section bar surface It fits closely, it is not easily to fall off, effectively improve the water-fast, wear-resisting of door-window section bar, antiseptic property.
By the way that in spraying process, the water after cleaning in rinsing bowl is forced through the charged rolling seperation film mistake of micropore through pump Filter, filtered water pass through resin acid absorption method again and carry out further filtration treatment, and filtered water carries out Conventional waste water processing, And in protective paint spraying process, the air after need to polluting to protective paint is filtered purified treatment, reaches the guarantor to environment Shield effect.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (6)

1. a kind of surface spray coating process of door-window section bar, characterized by the following steps:
S1, qualified door-window section bar surface is polished using sander, door-window section bar is placed in normal temperature acid immediately after polishing In liquid, soaking time 3-5min slings door-window section bar, drips raffinate to the greatest extent, quickly hangs in rinsing bowl and clean;
Under S2, room temperature, with the NaOH solution rinsing step S1 of 100-150g/L treated door-window section bar, NaOH solution is through nozzle It sprays to door-window section bar surface, the injection pressure of nozzle are as follows: 20MPa-140MPa, flow are as follows: 50L/min-160L/min;
S3, door-window section bar after step S2 processing is sling, drips raffinate to the greatest extent, quickly hangs in and impregnate 20-30min in rinsing bowl, Then it slings, is rinsed using clear water again, flushing pressure 20MPa-140MPa dries then under 40-50 DEG C of environment It is dry to drip residual moisture to the greatest extent;
S4, protective paint is used into spraying method on door-window section bar surface, obtains paint film, film thickness is 5-15 μm, then will be prevented After vernix solidification, in protective paint spraying process, the air after need to polluting to protective paint is filtered purified treatment.
2. a kind of surface spray coating process of door-window section bar described in claim 1, it is characterised in that: need before the step S1 pair Door-window section bar is examined one by one, scraps processing to there is the profile inspection of obvious deformation, bubble and coarse defect to make.
3. a kind of surface spray coating process of door-window section bar described in claim 1, it is characterised in that: rinsing bowl in the step S1 Water after middle cleaning is forced through the charged rolling seperation film of micropore through pump and filters, filtered water pass through again resin acid absorption method into The further filtration treatment of row, filtered water carry out Conventional waste water processing.
4. a kind of surface spray coating process of door-window section bar described in claim 1, it is characterised in that: normal temperature acid in the step S1 Liquid is the phosphoric acid solution that mass fraction is 75-85%.
5. a kind of surface spray coating process of door-window section bar described in claim 1, it is characterised in that: solidify temperature in the step S4 Degree is 180-220 DEG C, after solidifying 20-30min, natural cooling.
6. a kind of surface spray coating process of door-window section bar described in claim 1, it is characterised in that: the protection raw materials for varnish includes The component of following parts by weight: 50-60 parts of polyester resin, 20-30 parts of modified epoxy, 2-8 parts of aluminium oxide, 6-8 parts of waterglass, 3-8 parts of modified polyurethane, 3-11 parts of sodium alginate, 15-20 parts of stearic acid, 3-5 parts of barium sulfate, 6-15 parts of talcum powder, zinc oxide 3-9 parts, 2-12 parts of ethyl alcohol.
CN201811187025.1A 2018-10-12 2018-10-12 A kind of surface spray coating process of door-window section bar Pending CN109092647A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN113117947A (en) * 2021-04-14 2021-07-16 东莞建晖纸业有限公司 Coating block cleaning method for vibrating screen feed tank

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CN103030123A (en) * 2012-12-27 2013-04-10 苏州浩中环保设备有限公司 Recovery and treatment equipment and process of waste diluted phosphoric acid containing metal salt
CN104549937A (en) * 2013-10-18 2015-04-29 青岛市首胜实业有限公司 Electrostatic powder spraying method of aluminum alloy door/window section
CN105457874A (en) * 2015-12-10 2016-04-06 太仓贝斯特机械设备有限公司 Electrostatic powder spraying method of aluminum material building door and window
CN106736297A (en) * 2016-12-29 2017-05-31 安徽科蓝特铝业有限公司 A kind of aluminium section bar is first sprayed wears bar technique afterwards

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US20090252869A1 (en) * 2008-04-07 2009-10-08 Antonio Rodrigo Powder coating composition
CN102719172A (en) * 2012-05-22 2012-10-10 北京红狮漆业有限公司 Metal anti-corrosive primer, preparation method, application and application method thereof
CN103030123A (en) * 2012-12-27 2013-04-10 苏州浩中环保设备有限公司 Recovery and treatment equipment and process of waste diluted phosphoric acid containing metal salt
CN104549937A (en) * 2013-10-18 2015-04-29 青岛市首胜实业有限公司 Electrostatic powder spraying method of aluminum alloy door/window section
CN105457874A (en) * 2015-12-10 2016-04-06 太仓贝斯特机械设备有限公司 Electrostatic powder spraying method of aluminum material building door and window
CN106736297A (en) * 2016-12-29 2017-05-31 安徽科蓝特铝业有限公司 A kind of aluminium section bar is first sprayed wears bar technique afterwards

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN113117947A (en) * 2021-04-14 2021-07-16 东莞建晖纸业有限公司 Coating block cleaning method for vibrating screen feed tank

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