CN116329054B - Ship coating surface repairing method - Google Patents
Ship coating surface repairing method Download PDFInfo
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- CN116329054B CN116329054B CN202310180545.4A CN202310180545A CN116329054B CN 116329054 B CN116329054 B CN 116329054B CN 202310180545 A CN202310180545 A CN 202310180545A CN 116329054 B CN116329054 B CN 116329054B
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- 238000000576 coating method Methods 0.000 title claims abstract description 139
- 239000011248 coating agent Substances 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000007547 defect Effects 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 7
- 239000013505 freshwater Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000002386 leaching Methods 0.000 claims description 4
- 230000032669 eclosion Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003973 paint Substances 0.000 description 17
- 239000004593 Epoxy Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 230000011218 segmentation Effects 0.000 description 5
- 239000013535 sea water Substances 0.000 description 4
- 206010065226 Non-dipping Diseases 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 229920000180 alkyd Polymers 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229920006334 epoxy coating Polymers 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000011527 polyurethane coating Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/005—Repairing damaged coatings
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a ship coating surface repairing method, which comprises the following steps: step 100, judging the defect type of the surface of the coating to be treated, and confirming that the defect on the coating to be treated is not damaged to the substrate; step 200, identifying an application position of a coating to be treated on a ship structure and a recoating interval of the surface of the coating to be treated; and 300, selecting a repairing mode according to the defect type, the application part and the recoating interval. By arranging the ship coating surface repairing method, the ship coating surface repairing method is not processed in a unified mode, but a corresponding repairing mode is selected according to the defect type, the application position and the recoating interval; the invention can pertinently select a proper repairing mode, solves the quality dispute of the coating process, avoids the condition of excessive construction process quality, and reduces the manufacturing cost of the ship.
Description
Technical Field
The invention relates to the technical field of ship coating, in particular to a ship coating surface repairing method.
Background
Before paint is sprayed on a ship, the surface of the ship is required to be treated, and the ship is divided into a pretreatment stage, a sectional coating stage and a regional coating stage according to different stages. The surface to be treated in each stage has different forms, such as naturally rusting the surface with oxide skin, initiating explosive device or mechanical damage to the surface of the substrate, and overcoating interval, smut, surface damage not to the surface of the substrate, etc.
The ISO8501-1 standard specifies the rust rating of the uncoated steel surface and the surface treatment rating for removing old coatings. GB8923 equivalently adopts the standard of ISO8501-1, and the rust grade and the rust removal grade are judged by the visual appearance of the steel surface. The rust-removing surfaces cover the rust-removing steel plate surface and the surface of the substrate damaged by a fire or a machine, and provide quality standards for the secondary treatment process of steel surface treatment and coating.
In the stage of sectional coating and the stage of regional coating, the conditions of surface exceeding the re-coating interval, smudge, surface damage, surface failure of the substrate, and the like exist, but a related inspection method is not established in the existing standard, so that the actual construction process approaches to a high treatment grade, and the construction cost is not reduced.
Disclosure of Invention
The aim of the embodiment of the invention is that: the method for repairing the ship coating surface can reasonably repair coating defects of ships under construction.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the method for repairing the surface of the ship coating comprises the following steps:
Step 100, judging the defect type of the surface of the coating to be treated, and confirming that the defect on the coating to be treated is not damaged to the substrate;
Step 200, identifying an application position of the coating to be treated on a ship structure and a recoating interval of the surface of the coating to be treated;
and 300, selecting a repairing mode according to the defect type, the application part and the recoating interval.
As a preferable scheme of the ship coating surface repairing method, the recoating interval comprises an overcoating interval stage and a non-overcoating interval stage, the type of the recoating interval is judged firstly, and then the application part or the defect type is judged.
As a preferable scheme of the ship coating surface repairing method, when the recoating interval is the overcoating interval stage, selecting the repairing mode according to the application part;
And when the recoating interval is the non-overcoating interval stage, selecting the repairing mode according to the defect type.
As a preferred scheme of the ship coating surface repairing method, the application part comprises a water immersion area and a non-water immersion area;
the defect types include surface stains and mechanical damage;
when the recoating interval is the overcoating interval stage and the application part is the water immersion area, a first repairing mode is selected;
When the recoating interval is the overcoating interval stage and the application part is the non-leaching area, selecting a second repairing mode;
when the recoating interval is the non-overcoating interval stage and the defect type is mechanical damage, selecting the second repairing mode;
when the recoating interval is the non-overcoating interval stage and the defect type is surface stains, selecting a third repairing mode;
The process grade requirements of the first repair mode, the second repair mode and the third repair mode are sequentially reduced.
As a preferable scheme of the ship coating surface repairing method, dividing a treatment area in the coating to be treated, wherein the first repairing mode is that a tool is used for redrawing in the treatment area; and/or;
the second repairing mode is that a tool is used for lightly pulling and grinding in the treatment area; and/or the number of the groups of groups,
The third repair mode is cleaning in the treatment area.
As a preferable mode of the ship coating surface repairing method, after the first repairing mode or the second repairing mode is performed, the region edge of the treatment region is subjected to feathering treatment.
As a preferable scheme of the ship coating surface repairing method, the third repairing mode is specifically to clean the surface stains by using a solvent, fresh water, a brush and/or compressed air.
As a preferable scheme of the ship coating surface repairing method, a protective structure is arranged outside the treatment area before repairing.
As a preferred embodiment of the method for repairing a ship coating surface, the step 300 further includes:
And carrying out quality inspection on the coating to be treated.
As a preferred embodiment of the method for repairing a ship coating surface, the step 300 further includes:
and coating a coating on the coating to be treated.
The beneficial effects of the invention are as follows: by arranging the ship coating surface repairing method, the ship coating surface repairing method is not processed in a unified mode, but a corresponding repairing mode is selected according to the defect type, the application position and the recoating interval; the invention can pertinently select a proper repairing mode, solves the quality dispute of the coating process, avoids the condition of excessive construction process quality, and reduces the manufacturing cost of the ship.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
FIG. 1 is a flowchart of a method for repairing a surface of a marine coating according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in FIG. 1, the method for repairing the surface of the ship coating provided by the invention comprises the following steps:
Step 100, judging the defect type of the surface of the coating to be treated, and confirming that the defect on the coating to be treated is not damaged to the substrate;
Step 200, identifying an application position of a coating to be treated on a ship structure and a recoating interval of the surface of the coating to be treated;
And 300, selecting a repairing mode according to the defect type, the application part and the recoating interval.
By arranging the ship coating surface repairing method, the ship coating surface repairing method is not processed in a unified mode, but a corresponding repairing mode is selected according to the defect type, the application position and the recoating interval; the ship coating surface repairing method can select a proper repairing mode in a targeted manner, solves the quality dispute in the coating process, avoids the condition of excessive construction process quality, and reduces the manufacturing cost of the ship.
In this embodiment, the coating to be treated can protect the substrate from being corroded by seawater, and if the defect on the coating to be treated is large and damages the substrate, the method for repairing the surface of the ship coating provided by this embodiment is not suitable.
In this embodiment, after the repair of the coating to be treated is completed, a coating needs to be applied to the coating to be treated to form a new coating layer. 2-5 layers of coating are usually arranged on the substrate to protect the substrate from seawater to the greatest extent, and in the ship construction process, before the next intermediate paint or finish paint is applied, the defect on the existing coating of the substrate needs to be confirmed to be undamaged on the steel substrate.
Further, the application part comprises a water immersion area and a non-water immersion area; the recoating interval comprises an overcoating interval stage and a non-overcoating interval stage; types of defects include surface stains and mechanical damage. By accurately classifying the application part, the re-coating interval and the defect type, the corresponding repairing mode can be selected according to the step sequence of the ship coating surface repairing method, so that the repairing quality is ensured.
Specifically, when the coating interval is an overcoating interval stage, a repairing mode is selected according to the application part; and when the recoating interval is a stage of non-overcoating interval, selecting a repairing mode according to the defect type. In the process of building ships, new coatings are required to be formed on the surface of a substrate by painting according to the requirement of a recoating interval, so that the binding force between each layer of coating on the substrate is ensured. If the required recoating interval time is exceeded, namely in the overcoating interval stage, the original coating is directly painted at the moment, the formed new coating has insufficient binding force with the original coating, and the problem of coating falling easily occurs, so that the coating to be treated needs to be repaired in a large area, and a repairing mode can be directly selected according to an application position when the coating to be treated is in the overcoating interval stage; when the coating is in the non-overcoating interval stage, a new coating formed by directly painting the original coating has stronger adhesive force, so that the process requirement can be met only by repairing defects in a small range, and therefore, when the coating is in the non-overcoating interval stage, a corresponding repairing mode can be selected according to the defect type, the occurrence of excessive process quality is avoided, and the manufacturing cost of the ship is reduced.
Further, when the recoating interval is an overcoating interval stage, and the application part is a water immersion area, a first repairing mode is selected; when the coating interval is the stage of the coating interval, the application part is a non-dipping area, and a second repairing mode is selected; when the recoating interval is a stage without overcoating interval and the defect type is mechanical damage, selecting a second repairing mode; when the re-coating interval is a non-super-coating interval stage and the defect type is surface stains, selecting a third repairing mode; the process grade requirements of the first repair mode, the second repair mode and the third repair mode are sequentially reduced. It can be understood that when the coating interval is the stage of the overcoating interval, large-area repair is required to be performed on the coating to be treated, and the application part is a water immersion area, namely, in the sailing process of the ship, the substrate can be contacted with seawater, so that the quality of the coating is required to be strictly controlled, and a first repair mode with the highest technological grade requirement is selected; when the re-coating interval is in the stage of the non-dipping region, the substrate is not contacted with seawater, so that the process grade requirement can be reduced, a second repairing mode is selected, when the re-coating interval is in the stage of the non-dipping region, and the defect type is mechanical damage, only the damaged region of the coating to be treated is required to be locally treated, the repairing area is smaller, the process grade requirement can be reduced, and the second repairing mode is selected; when the re-coating interval is the non-super-coating interval stage and the defect type is surface stains, the repairing area is smaller, the defect is lighter, and a third repairing mode with the lowest process grade requirement can be adopted.
Further, dividing a treatment area in the coating to be treated, wherein the first repairing mode is that a tool is used for redrawing and grinding in the treatment area; the second repairing mode is to use a tool to lightly pull and grind in the treatment area; the third repair is cleaning in the process area. In actual production, a manual or power tool may be used for heavy-pull grinding or light-pull grinding.
Further, after the first repair method or the second repair method is performed, the region edge of the processing region is subjected to the feathering process. By performing the feathering treatment on the region edge of the treatment region, a transition layer can be formed, thereby ensuring the binding force of the new coating and the original coating.
Further, the third repairing method is specifically to clean the surface stains by using a solvent, fresh water, a brush or compressed air. Specifically, the surface of the coating to be treated can be cleaned by removing oil, water vapor, dust and other pollutants by adopting a proper method such as solvent, fresh water, a wire brush or compressed air.
Further, after step 300, the method further includes:
And (5) carrying out quality inspection on the coating to be treated.
The appearance of the treated surface can be checked by comparing with the standard pictures according to the quality requirements of the corresponding application parts so as to meet the adhesion requirements of the new coating and the original coating.
In this embodiment, the coating to be treated includes an epoxy coating, an alkyd coating, a polyurethane coating or a fluorosilicone coating, that is, a marine coating such as an epoxy coating, an alkyd coating, a polyurethane coating or a fluorosilicone coating is adopted, and the bonding force between the coatings needs to be considered when the type of the coating is selected.
Further, before repairing, a protective structure, which may be a protective film, a protective layer or a protective cover, may be arranged outside the treatment area, so as to avoid the repair operation from damaging the coating to be treated outside the treatment area.
In this embodiment, the repair mode may be selected with reference to a coating stage, where the coating stage includes a segmentation stage and a zone coating stage, and in the ship building process, 2-5 layers of coating are required to be coated on the substrate, the coating time of the coating may be selected according to the design requirement of the ship, for example, all the coating may be coated in the segmentation stage, or 1 layer of coating may be coated in the segmentation stage, and the rest of the coating may be coated in the zone coating stage. In a specific shipbuilding process, the coating stage may generally determine the coating intervals of the surface of the coating to be treated, thereby assisting in the selection of the corresponding repair mode.
The following table can intuitively express the repair modes of corresponding selection of defect types, application positions and re-coating intervals:
table use is illustrated below:
in one embodiment, the weather deck above a cabin is painted with a 2 nd degree epoxy paint at the general assembly stage. Firstly, carrying out state identification on an area to be sprayed, wherein the area paint is designed into 2-degree epoxy paint and 2-degree polyurethane finish paint in a matched manner. After the first epoxy primer is coated in sections, the total assembly stage is carried out after 4 months. The time exceeds the re-coating interval with the subsequent epoxy paint, and according to the application environment, the main deck is classified into a water immersion area in consideration of the corrosion-resistant service life, and according to the division in the requirements of treatment quality, the main deck belongs to a first repairing mode, the main deck is treated by adopting a method of polishing and re-pulling grinding by a power tool, and the surface state of the coating after the treatment is checked to meet the requirements.
In yet another embodiment, a region of the upper building outer panel is found to be locally mechanically bumped during the segmentation stage. Firstly, the state of a region is identified, the surface to be treated is the state that the local initiating explosive device burns down to the bottom of the steel, the construction of 2-degree epoxy paint, 1-degree connecting paint and 2-degree antifouling paint is completed in the segmentation stage, and the state of finishing paint is basically achieved according to the paint matching design. Checking a construction log, wherein the segments are damaged after finishing the coating for 6 days, the re-coating interval of the epoxy paint is not exceeded, the division in the quality requirements is controlled according to the application part, the damage type and the like, the second repairing mode is adopted, a power tool is adopted to lightly pull and grind the damaged area into the feathered edge to epoxy paint, and after the inspection is carried out according to a comparison legend, the subsequent coating can be sprayed according to the design requirements.
In yet another embodiment, the nacelle top wall finds the coating surface smudge. Firstly, the defect belongs to oil stain pollution, the cabin is a non-double-layer bottom area, the corrosion environment is mild, the cabin is classified into a non-immersed area, and the expected defect belongs to recontamination after repair and needs to be retreaded again. The cabin is matched with the 1-degree epoxy primer-topcoat paint, the time from the last renovation is 9 days, the coating interval is not exceeded, the division in the quality requirements of the treatment is controlled, the cabin belongs to a third repairing mode, and after the solvent, fresh water and a steel wire brush are adopted to remove oil and other pollutants on the surface, the paint can be sprayed in a thin way after being checked and confirmed according to a contrast legend.
In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (6)
1. The ship coating surface repairing method is characterized by comprising the following steps of:
Step 100, judging the defect type of the surface of the coating to be treated, and confirming that the defect on the coating to be treated is not damaged to the substrate;
Step 200, identifying an application position of the coating to be treated on a ship structure and a recoating interval of the surface of the coating to be treated;
Step 300, selecting a repair mode according to the defect type, the application part and the recoating interval;
the recoating interval comprises an overcoating interval stage and a non-overcoating interval stage, wherein the type of the recoating interval is judged firstly, and then the application part or the defect type is judged;
When the recoating interval is the stage of the overcoating interval, selecting the repairing mode according to the application part;
when the recoating interval is the non-overcoating interval stage, selecting the repairing mode according to the defect type;
The application part comprises a water leaching area and a non-leaching area;
the defect types include surface stains and mechanical damage;
when the recoating interval is the overcoating interval stage and the application part is the water immersion area, a first repairing mode is selected;
When the recoating interval is the overcoating interval stage and the application part is the non-leaching area, selecting a second repairing mode;
when the recoating interval is the non-overcoating interval stage and the defect type is mechanical damage, selecting the second repairing mode;
when the recoating interval is the non-overcoating interval stage and the defect type is surface stains, selecting a third repairing mode;
the process grade requirements of the first repair mode, the second repair mode and the third repair mode are sequentially reduced;
dividing a treatment area in the coating to be treated, wherein the first repairing mode is that a tool is used for redrawing and grinding in the treatment area; and/or;
the second repairing mode is that a tool is used for lightly pulling and grinding in the treatment area; and/or the number of the groups of groups,
The third repair mode is cleaning in the treatment area.
2. The method of repairing a ship coating surface according to claim 1, wherein after the first repairing method or the second repairing method is performed, an area edge of the treated area is subjected to an eclosion treatment.
3. The method for repairing a coated surface of a vessel according to claim 1, wherein the third repairing means is cleaning the surface soil with a solvent, fresh water, a brush and/or compressed air.
4. The method of repairing a marine coating surface according to claim 1, wherein a protective structure is provided outside the treated area prior to repair.
5. The method of repairing a marine coating surface of any one of claims 1-4, further comprising, after step 300:
And carrying out quality inspection on the coating to be treated.
6. The method of repairing a marine coating surface of any one of claims 1-4, further comprising, after step 300:
and coating a coating on the coating to be treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310180545.4A CN116329054B (en) | 2023-02-27 | 2023-02-27 | Ship coating surface repairing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310180545.4A CN116329054B (en) | 2023-02-27 | 2023-02-27 | Ship coating surface repairing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116329054A CN116329054A (en) | 2023-06-27 |
| CN116329054B true CN116329054B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310180545.4A Active CN116329054B (en) | 2023-02-27 | 2023-02-27 | Ship coating surface repairing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116329054B (en) |
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2023
- 2023-02-27 CN CN202310180545.4A patent/CN116329054B/en active Active
Non-Patent Citations (2)
| Title |
|---|
| 浅述舰船涂装涂层复涂间隔质量控制;张钧;;现代涂料与涂装(第07期);第64-66页 * |
| 谈船舶油漆涂层的维护保养;余章俊;;航海技术(第06期);第62-64页 * |
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