CN105032747A - Tower cylinder coating method of large floating wind power station - Google Patents
Tower cylinder coating method of large floating wind power station Download PDFInfo
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- CN105032747A CN105032747A CN201510544902.6A CN201510544902A CN105032747A CN 105032747 A CN105032747 A CN 105032747A CN 201510544902 A CN201510544902 A CN 201510544902A CN 105032747 A CN105032747 A CN 105032747A
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Abstract
The invention discloses a tower cylinder coating method of a large floating wind power station. The method comprises the steps of: steel plate surface pretreatment; tracking coating supplementation in segmented manufacturing process; segmented coating; tracking coating supplementation of gathering gaps; and checking of coating layers. The method strengthens the coating process monitoring, guarantees the corrosion resistance of the coating layers, and can guarantee the service life of a tower cylinder of the floating wind power station.
Description
Technical field
The present invention relates to a kind of coating process, particularly relate to a kind of coating process of large-scale floating wind power station tower cylinder, belong to marine engineering equipment technical field.
Background technology
Offshore floating type wind power station tower cylinder is among harsh applied environment, marine atmosphere high humidity, easily form moisture film at steel surface, contain a large amount of salinities in marine atmosphere simultaneously, they accumulate steel surface and form the good liquid film electrolyte of conduction together with moisture films, for electrochemical corrosion provides advantage, therefore marine atmosphere is higher than the extent of corrosion of inland air to iron and steel 4 ~ 5 times.In addition, offshore floating type wind power station tower cylinder also can suffer from physical shock, and as floe, the shock etc. of ship berthing and other floating things, and halobiontic impact, comprise the marine animal of fish, shellfish, plant etc.Show according to statistics, part offshore floating type wind power station tower cylinder is because the technique of application is unreasonable, coating is selected unreasonable, and coating can not ensure the normal use of offshore floating type wind power station effectively, is forced to service life shorten.As can be seen here, need in the production process of at sea floating wind power station tower cylinder to adopt suitable process, and select rational coating to carry out application, guarantee the antiseptic property of coating, and then ensure the safe handling of offshore floating type wind power station.
Summary of the invention
The object of this invention is to provide a kind of coating process of large-scale floating wind power station tower cylinder, this method strengthens the monitoring to coating process, ensure that the antiseptic property of coating.
The present invention is achieved by following process program:
A coating process for large-scale floating wind power station tower cylinder, its step comprises:
Step 1: surface of steel plate pretreatment: first carry out quality research to manufacture steel plate used, determines that surface of steel plate is corroded intensity grade, after by impeller blasting process, then carry out spray-applied primer, meet manufacture requirements;
Step 2: segmentation manufactures process tracking coating: in tower cylinder sectional making process, indicates the coating damage in the regions such as welding, the back of the body burning, wearing and tearing, correction, and clean coating damage surface, coating shop primer;
Step 3: segmentation application: segmental structure should be delivered for a check complete, and obtain checking and accepting accreditation, galvanized part in segmentation, pipe cloth are bandaged, by handling subsection on special sandblasting application turning rolls, carry out secondary rust removal, remove the position starting oxidation or corrosion, according to the requirement that paint is supporting, spray corresponding corrosion-inhibiting coating successively;
Step 4: close up seam and follow the tracks of coating: after tower cylinder block assembly terminates, to closing up seam, close up face and clear up, remove the position starting oxidation or corrosion, coating priming paint, control the painting environment closing up seam local, according to the requirement that paint is supporting, spray corresponding corrosion-inhibiting coating successively, form completion coating;
Step 5: completion coating inspection: whole completion coating surface should evenly no-sundries, peeling, bubbling, hole, uneven, coarse granule, fall the defect such as block and crackle, meet and be mingled with on a small quantity, available pocket knife picks to be scraped, as defect area comparatively greatly, should root out and respray.
The present invention realizes by the following technical programs further:
The coating process of aforesaid a kind of large-scale floating wind power station tower cylinder, in step 2, tower cylinder adopts block system, adopts to close up greatly several tower cylinder shell ring sectionals are become whole tower cylinder.
The coating process of aforesaid a kind of large-scale floating wind power station tower cylinder, the outline of tower cylinder is circular.
The coating process of aforesaid a kind of large-scale floating wind power station tower cylinder, needs to meet the following conditions after the process of step 1 light plate impeller blasting: steel surface cleannes Sa2.5 level reaching ISO8501-1 or more standard.
The coating process of aforesaid a kind of large-scale floating wind power station tower cylinder, need meet the following conditions spraying steel plate priming paint in step 1: guarantee that paint film average film thickness can reach 10 ~ 15 μm, and thickness also should be even, without drain spray point.
The coating process of aforesaid a kind of large-scale floating wind power station tower cylinder, in step 3, step 4, anticorrosion with painting coating adopts following technique: adopt airless spraying mode, spray corresponding corrosion-inhibiting coating successively, spraying should adopt from inside outwards, first up and then down, first left and then right, difficult at first and quite easy afterwards, crisscross construction method, intersection in 90 ° sprays tower cylinder surfaces externally and internally, and the position that butt welded seam, reverse side, corner angle etc. not easily spray to sprays in advance once and comprehensively sprays.
The present invention by the spraying in the pre-spraying of the steel plate of tower cylinder, tower cylinder shell ring manufacture process, close up tower cylinder shell ring to the spraying, the finish turn inspection that close up seam (face), carried out the application of whole tower cylinder.Each step effects on surface carries out application and guarantees to meet the demands; strengthen the monitoring to coating process; the present invention adopts segmentation manufacture; can conveniently spray; further ensure painting effect; can available protecting tower cylinder surface from corrosion, tower cylinder is ensured service life, possesses higher economic benefit.
Accompanying drawing explanation
Fig. 1 is the flow chart of large-scale floating wind power station tower cylinder of the present invention application.
The schematic diagram of Fig. 2 large-scale floating wind power station tower cylinder of the present invention.
Fig. 3 is the schematic diagram be placed on by tower cylinder on sandblasting application turning rolls.
Detailed description of the invention
For illustration and explanation by the non-limitative illustration of preferred embodiment below, these embodiments, only provide as an example with reference to accompanying drawing, but among the scope of embodiments therefore do not limited the present invention to.
As shown in Figure 2, the present invention adopts to close up greatly and several tower cylinder shell ring 1 sectionals is become whole tower cylinder 2.
As shown in Figure 1, coating process of the present invention comprises the following steps:
Step 1: surface of steel plate pretreatment: first quality research is carried out to manufacture steel plate used, determine that surface of steel plate is corroded intensity grade, afterwards by impeller blasting process, make the cleannes of the steel surface process Sa2.5 level reaching ISO8501-1 or more standard, again spray-applied primer is carried out to steel plate, guarantee that paint film average film thickness can reach 10 ~ 15 μm, and thickness also should be even, without drain spray point;
Step 2: segmentation manufactures process tracking coating: in tower cylinder sectional making process, indicates the coating damage in the regions such as welding, the back of the body burning, wearing and tearing, correction, and clean coating damage surface, coating shop primer;
Step 3: segmentation application: segmental structure should be delivered for a check complete, and obtain checking and accepting accreditation.Something that gives the game away crator inside and outside tower cylinder and sharp edge, burr must polish, and welding slag is removed complete with splashing.Galvanized part in segmentation, pipe cloth are bandaged, outline due to tower cylinder is circular, as shown in Figure 3, by handling subsection on special sandblasting application turning rolls 3, carry out secondary rust removal, remove the position starting oxidation or corrosion, according to the requirement that paint is supporting, spray corresponding corrosion-inhibiting coating successively;
Step 4: close up seam and follow the tracks of coating: after tower cylinder block assembly terminates, to closing up seam, close up face and clear up, remove the position starting oxidation or corrosion, coating priming paint, control the painting environment closing up seam local, according to the requirement that paint is supporting, spray corresponding corrosion-inhibiting coating successively, form completion coating;
Step 5: completion coating inspection: whole completion coating surface should evenly no-sundries, peeling, bubbling, hole, uneven, coarse granule, fall the defect such as block and crackle, meet and be mingled with on a small quantity, available pocket knife picks to be scraped, as defect area comparatively greatly, should root out and respray.
In step 3, step 4, anticorrosion with painting coating adopts following technique: adopt airless spraying mode, spray corresponding corrosion-inhibiting coating successively, spraying should adopt from inside outwards, first up and then down, first left and then right, difficult at first and quite easy afterwards, crisscross construction method, intersection in 90 ° sprays tower cylinder surfaces externally and internally, and the position that butt welded seam, reverse side, corner angle etc. not easily spray to sprays in advance once and comprehensively sprays.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (6)
1. a coating process for large-scale floating wind power station tower cylinder, its step comprises:
Step 1: surface of steel plate pretreatment: first carry out quality research to manufacture steel plate used, determines that surface of steel plate is corroded intensity grade, after by impeller blasting process, then carry out spray-applied primer, meet manufacture requirements;
Step 2: segmentation manufactures process tracking coating: in tower cylinder sectional making process, indicates the coating damage in the regions such as welding, the back of the body burning, wearing and tearing, correction, and clean coating damage surface, coating shop primer;
Step 3: segmentation application: segmental structure should be delivered for a check complete, and obtain checking and accepting accreditation, galvanized part in segmentation, pipe cloth are bandaged, by handling subsection on special sandblasting application turning rolls, carry out secondary rust removal, remove the position starting oxidation or corrosion, according to the requirement that paint is supporting, spray corresponding corrosion-inhibiting coating successively;
Step 4: close up seam and follow the tracks of coating: after tower cylinder block assembly terminates, to closing up seam, close up face and clear up, remove the position starting oxidation or corrosion, coating priming paint, control the painting environment closing up seam local, according to the requirement that paint is supporting, spray corresponding corrosion-inhibiting coating successively, form completion coating;
Step 5: completion coating inspection: whole completion coating surface should evenly no-sundries, peeling, bubbling, hole, uneven, coarse granule, fall the defect such as block and crackle, meet and be mingled with on a small quantity, available pocket knife picks to be scraped, as defect area comparatively greatly, should root out and respray.
2. the coating process of a kind of large-scale floating wind power station tower cylinder according to claim 1, is characterized in that: in described step 2, tower cylinder adopts block system, adopts to close up greatly several tower cylinder shell ring sectionals are become whole tower cylinder.
3. the coating process of a kind of large-scale floating wind power station tower cylinder according to claim 1, is characterized in that: the outline of described tower cylinder is for circular.
4. the coating process of a kind of large-scale floating wind power station tower cylinder according to claim 1, is characterized in that: need to meet the following conditions after the process of step 1 light plate impeller blasting: steel surface cleannes Sa2.5 level reaching ISO8501-1 or more standard.
5. the coating process of a kind of large-scale floating wind power station tower cylinder according to claim 1, is characterized in that: need meet the following conditions spraying steel plate priming paint in step 1: guarantee that paint film average film thickness can reach 10 ~ 15 μm, and thickness also should be even, without drain spray point.
6. the coating process of a kind of large-scale floating wind power station tower cylinder according to claim 1, it is characterized in that: in step 3, step 4, anticorrosion with painting coating adopts following technique: adopt airless spraying mode, spray corresponding corrosion-inhibiting coating successively, spraying should adopt from inside outwards, first up and then down, first left and then right, difficult at first and quite easy afterwards, crisscross construction method, intersection in 90 ° sprays tower cylinder surfaces externally and internally, and the position that butt welded seam, reverse side, corner angle etc. not easily spray to sprays in advance once and comprehensively sprays.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510544902.6A CN105032747A (en) | 2015-08-31 | 2015-08-31 | Tower cylinder coating method of large floating wind power station |
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| CN201510544902.6A CN105032747A (en) | 2015-08-31 | 2015-08-31 | Tower cylinder coating method of large floating wind power station |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120225A (en) * | 2020-01-10 | 2020-05-08 | 福州大学 | Remanufacturing method of wind power tower |
| CN111822311A (en) * | 2020-07-24 | 2020-10-27 | 上海外高桥造船有限公司 | Water-based paint construction method for ship construction |
| CN112718436A (en) * | 2020-12-21 | 2021-04-30 | 昆山科亮精密科技有限公司 | Continuous spraying process for accessories for wind power |
| CN114871033A (en) * | 2022-04-25 | 2022-08-09 | 西安热工研究院有限公司 | On-site automatic remanufacturing system and method for protective layer of outer wall of in-service wind power tower |
| CN115701809A (en) * | 2022-09-28 | 2023-02-14 | 浙江航兴绿色建材科技有限公司 | Steel structure floor surface anticorrosion coating process |
| CN116273796A (en) * | 2022-11-25 | 2023-06-23 | 沪东中华造船(集团)有限公司 | MARKIII type fuel tank coating method for refitting dual-fuel container ship |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526282A (en) * | 2014-12-19 | 2015-04-22 | 江苏现代造船技术有限公司 | Method for establishing large floating type wind power station tower drum |
| CN104785421A (en) * | 2015-04-27 | 2015-07-22 | 上海外高桥造船有限公司 | Method for preventing steel from corroding in hull block construction process |
-
2015
- 2015-08-31 CN CN201510544902.6A patent/CN105032747A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526282A (en) * | 2014-12-19 | 2015-04-22 | 江苏现代造船技术有限公司 | Method for establishing large floating type wind power station tower drum |
| CN104785421A (en) * | 2015-04-27 | 2015-07-22 | 上海外高桥造船有限公司 | Method for preventing steel from corroding in hull block construction process |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120225A (en) * | 2020-01-10 | 2020-05-08 | 福州大学 | Remanufacturing method of wind power tower |
| CN111822311A (en) * | 2020-07-24 | 2020-10-27 | 上海外高桥造船有限公司 | Water-based paint construction method for ship construction |
| CN112718436A (en) * | 2020-12-21 | 2021-04-30 | 昆山科亮精密科技有限公司 | Continuous spraying process for accessories for wind power |
| CN114871033A (en) * | 2022-04-25 | 2022-08-09 | 西安热工研究院有限公司 | On-site automatic remanufacturing system and method for protective layer of outer wall of in-service wind power tower |
| CN115701809A (en) * | 2022-09-28 | 2023-02-14 | 浙江航兴绿色建材科技有限公司 | Steel structure floor surface anticorrosion coating process |
| CN116273796A (en) * | 2022-11-25 | 2023-06-23 | 沪东中华造船(集团)有限公司 | MARKIII type fuel tank coating method for refitting dual-fuel container ship |
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Application publication date: 20151111 |