CN104929293A - Treatment method of galvanized bottom plate of floor support plate of steel bar truss - Google Patents
Treatment method of galvanized bottom plate of floor support plate of steel bar truss Download PDFInfo
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- CN104929293A CN104929293A CN201510300729.5A CN201510300729A CN104929293A CN 104929293 A CN104929293 A CN 104929293A CN 201510300729 A CN201510300729 A CN 201510300729A CN 104929293 A CN104929293 A CN 104929293A
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- zinc
- steel bar
- floor support
- support plate
- bar truss
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Abstract
The invention discloses a treatment method of a galvanized bottom plate of a floor support plate of a steel bar truss. The treatment method includes sweeping, pickling, flushing to adjust, phosphorizing, washing, spraying dry polyurethane and sand, and pretreating the surface of the galvanized bottom plate. Compared with the prior art, the treatment method has the advantages that the phosphorized surface can generate a phosphating film with micropores, the phosphating film is anti-rust, extra contact area is provided for attachment of polyurethane adhesive, the polyurethane adhesive can be more firmly attached to the surface of the galvanized bottom plate; by spraying sand, surface is roughened, the treated surface of the galvanized bottom plate has operability same as that of a common wall surface, and subsequent decorative operations like plastering are facilitated.
Description
Technical field
The present invention relates to structural steel surface preparation field, in particular the processing method of the zinc-plated base plate of a kind of steel bar truss floor support plate.
Background technology
Steel bar truss floor support plate is that the reinforcing bar in floor is become steel bar girder in factory process, and by steel bar girder and the integrally welded gang form of zinc-plated profiled sheet.In the construction stage, steel bar truss floor support plate can bear working load, is directly routed on beam, and carrying out simple reinforced bar engineering just can concreting.Owing to instead of template function completely, decrease template erection and demolition works, substantially increase floor slab construction efficiency.Steel bar truss floor support plate has economy, convenient, safe and reliable feature.Be widely used in multi storied factory building at present, structure and the building field such as multilayer, high level, super high steel structure building, various irregular flooring, all kinds of precast plate, high-speed railway.But because zinc-plated base plate is smooth, when carrying out follow-up fitting-out work, promise to undertake in this very large operation easier thereon; And be easy to corrosion occurs after zinc-plated base plate Long-Time Service, make the decorative layer of coating on it be easy to come off, impact uses, and even threatens to personal security.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide the processing method of the zinc-plated base plate of a kind of steel bar truss floor support plate, make the zinc-plated base plate after processing be easy to carry out coating decorative layer, and can be durable in use.
The present invention is achieved by the following technical solutions: the processing method of the zinc-plated base plate of a kind of steel bar truss floor support plate, is characterized in that step is as follows:
Step one, cleaning, pickling, after ash and foreign material are floated in cleaning, after the hydrochloric acid with 5% rinses 5min, clear water rinses 2min;
Step 2, flushing adjustment, use pre-configured flushing liquor to carry out antirust flushing of deoiling, washing time is 5min;
Step 3, phosphatization, at the zinc-plated backplate surface brushing Phosphating Solution of step 2 process, leave standstill 30min afterwards;
Step 4, washing and drying, rinse 5min by the surperficial water after step 3 process, then dry up with blower fan or naturally dry;
Step 5, polyurethane coating, at the zinc-plated backplate surface spraying polyurethane bonding adhesive after step 4 process;
Step 6, sandblasting, after polyurethane adhesive has sprayed, carry out grit blasting operation immediately.
As further improvement of these options, in step 2, the component in flushing liquor and content as follows:
As further improvement of these options, in step 3, component and the content of the Phosphating Solution of use are as follows:
As further improvement of these options, in step 5, the polyurethane adhesive of use is water-based polyurethane adhesive.
As further improvement of these options, in step 4, after washing, do not carry out drying process.
As further improvement of these options, in step 6, grit blasting operation uses 100-200 object quartz sand.
The present invention has the following advantages compared to existing technology: through parkerized surface, the phosphating coat that one deck has a lot of micropore can be produced, phosphating coat not only can anti-corrosion, extra contact area can also be provided for the attachment of polyurethane adhesive, make polyurethane adhesive bonding with the surface of zinc-plated base plate more firm; By sandblasting, by surface roughening, make the zinc-plated backplate surface after processing have the ease for operation same with ordinary Portland cement metope, be beneficial to follow-up plastering and wait finishing to operate.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
A processing method for the zinc-plated base plate of steel bar truss floor support plate, is characterized in that step is as follows:
Step one, cleaning, pickling, after ash and foreign material are floated in cleaning, after the hydrochloric acid with 5% rinses 5min, clear water rinses 2min; Hydrochloric acid effectively can be removed the rust staining on zinc-plated base plate and oxide skin, activate zinc-plated backplate surface after rinsing.
Step 2, flushing adjustment, use pre-configured flushing liquor to carry out antirust flushing of deoiling, washing time is 5min;
Component in flushing liquor and content as follows:
Use this flushing liquor can remove the greasy dirt of surface of the work fast, the workpiece many to fat type has very strong cleansing power, and after cleaning, antirust time is long, well beyond the general operation inter process resting period, for subsequent operation provides time enough.
Step 3, phosphatization, at the zinc-plated backplate surface brushing Phosphating Solution of step 2 process, leave standstill 30min afterwards;
Component and the content of the Phosphating Solution used are as follows:
Zinc oxide is one of source of film forming solution example, phosphating coat thickness can be made even, in addition the zinc coating of the zinc-plated backplate surface of script, also for Phosphating Solution provides the ion source of a part, phosphoric acid improves free acid when can ensure that total acid changes little, and phosphate radical can also as phosphating coat complement agent simultaneously; Add complexing agent, as tartaric acid etc. can reduce phosphating dregs.
Step 4, washing and drying, rinse 5min by the surperficial water after step 3 process, then dry up with blower fan or naturally dry; In order to not affect follow-up operation, need the surface clean after by phosphorating treatment clean, the phosphatization slag that removal produces is attached to the impurity on surface with other.
Step 5, polyurethane coating, at the zinc-plated backplate surface spraying polyurethane bonding adhesive after step 4 process; Through parkerized surface, the phosphating coat that one deck has a lot of micropore can be produced, phosphating coat not only can anti-corrosion, can also provide extra contact area, make polyurethane adhesive bonding with the surface of zinc-plated base plate more firm for the attachment of polyurethane adhesive.
Step 6, sandblasting, after polyurethane adhesive has sprayed, carry out grit blasting operation immediately.Grit blasting operation uses 100-200 object quartz sand.By sandblasting, by surface roughening, make the zinc-plated backplate surface after processing have the ease for operation same with ordinary Portland cement metope, be beneficial to follow-up plastering and wait finishing to operate.
As further improvement of these options, in step 5, the polyurethane adhesive of use is water-based polyurethane adhesive.
As further improvement of these options, in step 4, after washing, do not carry out drying process.
Embodiment 2
A processing method for the zinc-plated base plate of steel bar truss floor support plate, is characterized in that step is as follows:
Step one, cleaning, pickling, after ash and foreign material are floated in cleaning, after the hydrochloric acid with 5% rinses 5min, clear water rinses 2min; Hydrochloric acid effectively can be removed the rust staining on zinc-plated base plate and oxide skin, activate zinc-plated backplate surface after rinsing.
Step 2, flushing adjustment, use pre-configured flushing liquor to carry out antirust flushing of deoiling, washing time is 5min;
Component in flushing liquor and content as follows:
Use this flushing liquor can remove the greasy dirt of surface of the work fast, the workpiece many to fat type has very strong cleansing power, and after cleaning, antirust time is long, well beyond the general operation inter process resting period, for subsequent operation provides time enough.
Step 3, phosphatization, at the zinc-plated backplate surface brushing Phosphating Solution of step 2 process, leave standstill 30min afterwards;
Component and the content of the Phosphating Solution used are as follows:
Zinc oxide is one of source of film forming solution example, phosphating coat thickness can be made even, in addition the zinc coating of the zinc-plated backplate surface of script, also for Phosphating Solution provides the ion source of a part, phosphoric acid improves free acid when can ensure that total acid changes little, and phosphate radical can also as phosphating coat complement agent simultaneously; Add complexing agent, as tartaric acid etc. can reduce phosphating dregs.
Step 4, washing, rinse 5min by the surperficial water after step 3 process; In order to not affect follow-up operation, need the surface clean after by phosphorating treatment clean, the phosphatization slag that removal produces is attached to the impurity on surface with other.
Step 5, polyurethane coating, at the zinc-plated backplate surface spraying water-based polyurethane adhesive after step 4 process; Through parkerized surface, the phosphating coat that one deck has a lot of micropore can be produced, phosphating coat not only can anti-corrosion, can also provide extra contact area, make polyurethane adhesive bonding with the surface of zinc-plated base plate more firm for the attachment of polyurethane adhesive; Because using water-based polyurethane adhesive, after cleaning can direct spraying bonding adhesive, the time to be dried such as to eliminate, and remaining water can be released to the bonding adhesive of spraying is rare, is conducive to ensuing grit blasting operation.
Step 6, sandblasting, after polyurethane adhesive has sprayed, carry out grit blasting operation immediately.Grit blasting operation uses 100-200 object quartz sand.By sandblasting, by surface roughening, make the zinc-plated backplate surface after processing have the ease for operation same with ordinary Portland cement metope, be beneficial to follow-up plastering and wait finishing to operate.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a processing method for the zinc-plated base plate of steel bar truss floor support plate, is characterized in that step is as follows:
Step one, cleaning, pickling, after ash and foreign material are floated in cleaning, after the hydrochloric acid with 5% rinses 5min, clear water rinses 2min;
Step 2, flushing adjustment, use pre-configured flushing liquor to carry out antirust flushing of deoiling, washing time is 5min;
Step 3, phosphatization, at the zinc-plated backplate surface brushing Phosphating Solution of step 2 process, leave standstill 30min afterwards;
Step 4, washing and drying, rinse 5min by the surperficial water after step 3 process, then dry up with blower fan or naturally dry;
Step 5, polyurethane coating, at the zinc-plated backplate surface spraying polyurethane bonding adhesive after step 4 process;
Step 6, sandblasting, after polyurethane adhesive has sprayed, carry out grit blasting operation immediately.
2. the processing method of the zinc-plated base plate of a kind of steel bar truss floor support plate as claimed in claim 1, is characterized in that: in described step 2, the component in flushing liquor and content as follows:
3. the processing method of the zinc-plated base plate of a kind of steel bar truss floor support plate as claimed in claim 1, it is characterized in that: in described step 3, component and the content of the Phosphating Solution of use are as follows:
4. the processing method of the zinc-plated base plate of a kind of steel bar truss floor support plate as claimed in claim 1, it is characterized in that: in described step 5, the polyurethane adhesive of use is water-based polyurethane adhesive.
5. the processing method of the zinc-plated base plate of a kind of steel bar truss floor support plate as claimed in claim 4, is characterized in that: in described step 4, does not carry out drying process after washing.
6. the processing method of the zinc-plated base plate of a kind of steel bar truss floor support plate as claimed in claim 1, it is characterized in that: in described step 6, grit blasting operation uses 100-200 object quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510300729.5A CN104929293A (en) | 2015-06-03 | 2015-06-03 | Treatment method of galvanized bottom plate of floor support plate of steel bar truss |
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| CN201510300729.5A CN104929293A (en) | 2015-06-03 | 2015-06-03 | Treatment method of galvanized bottom plate of floor support plate of steel bar truss |
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Citations (11)
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| CN1153684A (en) * | 1995-12-04 | 1997-07-09 | 河北霸州彩钢门窗总厂 | Prodn process of colour powder sprayed hot galvanized sheet shape |
| JP2005048199A (en) * | 2003-07-29 | 2005-02-24 | Jfe Steel Kk | Surface-treated steel plate of excellent corrosion resistance, conductivity and film appearance |
| CN101158013A (en) * | 2006-10-08 | 2008-04-09 | 徐州正菱涂装有限公司 | Pretreatment technique for steel member hot spraying |
| CN101376978A (en) * | 2008-09-12 | 2009-03-04 | 江苏友邦精工实业有限公司 | Surface treating process for iron finished piece |
| CN102161939A (en) * | 2011-03-23 | 2011-08-24 | 天津市华阳新兴科技有限公司 | Water-based industrial detergent capable of self-defoaminng at normal temperature and preparation method thereof |
| CN103060784A (en) * | 2011-10-18 | 2013-04-24 | 成都快典科技有限公司 | Anti-rust process for metal |
| CN103469190A (en) * | 2013-09-22 | 2013-12-25 | 无锡阳工机械制造有限公司 | Composite type low-temperature phosphating solution |
| CN103668151A (en) * | 2012-09-21 | 2014-03-26 | 上海天阳钢管有限公司 | Pretreatment process of low-carbon steel pipe |
| CN103966593A (en) * | 2014-05-12 | 2014-08-06 | 无锡海特新材料研究院有限公司 | Antiseptic and anticorrosive treatment method for metal surface |
| CN104250746A (en) * | 2013-06-26 | 2014-12-31 | 无锡洛社科技创业有限公司 | Low-temperature environmentally-friendly steel plate phosphatization technology |
| CN104532271A (en) * | 2014-11-28 | 2015-04-22 | 镇江润德节能科技有限公司 | Preparation method of efficient industrial metal cleaning agent |
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2015
- 2015-06-03 CN CN201510300729.5A patent/CN104929293A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153684A (en) * | 1995-12-04 | 1997-07-09 | 河北霸州彩钢门窗总厂 | Prodn process of colour powder sprayed hot galvanized sheet shape |
| JP2005048199A (en) * | 2003-07-29 | 2005-02-24 | Jfe Steel Kk | Surface-treated steel plate of excellent corrosion resistance, conductivity and film appearance |
| CN101158013A (en) * | 2006-10-08 | 2008-04-09 | 徐州正菱涂装有限公司 | Pretreatment technique for steel member hot spraying |
| CN101376978A (en) * | 2008-09-12 | 2009-03-04 | 江苏友邦精工实业有限公司 | Surface treating process for iron finished piece |
| CN102161939A (en) * | 2011-03-23 | 2011-08-24 | 天津市华阳新兴科技有限公司 | Water-based industrial detergent capable of self-defoaminng at normal temperature and preparation method thereof |
| CN103060784A (en) * | 2011-10-18 | 2013-04-24 | 成都快典科技有限公司 | Anti-rust process for metal |
| CN103668151A (en) * | 2012-09-21 | 2014-03-26 | 上海天阳钢管有限公司 | Pretreatment process of low-carbon steel pipe |
| CN104250746A (en) * | 2013-06-26 | 2014-12-31 | 无锡洛社科技创业有限公司 | Low-temperature environmentally-friendly steel plate phosphatization technology |
| CN103469190A (en) * | 2013-09-22 | 2013-12-25 | 无锡阳工机械制造有限公司 | Composite type low-temperature phosphating solution |
| CN103966593A (en) * | 2014-05-12 | 2014-08-06 | 无锡海特新材料研究院有限公司 | Antiseptic and anticorrosive treatment method for metal surface |
| CN104532271A (en) * | 2014-11-28 | 2015-04-22 | 镇江润德节能科技有限公司 | Preparation method of efficient industrial metal cleaning agent |
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