CN110787973A - Construction method of instantaneous high-temperature-resistant coating on surface of ship hull - Google Patents
Construction method of instantaneous high-temperature-resistant coating on surface of ship hull Download PDFInfo
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- CN110787973A CN110787973A CN201911131287.0A CN201911131287A CN110787973A CN 110787973 A CN110787973 A CN 110787973A CN 201911131287 A CN201911131287 A CN 201911131287A CN 110787973 A CN110787973 A CN 110787973A
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- temperature resistant
- hull
- temperature
- coating
- paint
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- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- 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
- B05D3/00—Pretreatment 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
- B05D3/12—Pretreatment 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a construction method of an instantaneous high-temperature resistant coating on the surface of a ship hull, which specifically comprises the following steps: ensuring that the structural reinforcing members and the hull outfitting parts on the reverse sides of the coating area on the surface of the hull and the adjacent area are installed in place, and adjusting the flatness of the hull; detecting the coating humidity, the relative humidity and the surface temperature of the hull of the coating area, and preprocessing the surface of the hull of the coating area; spraying high-temperature resistant primer on the surface of the hull of the coating area by adopting a high-pressure airless spraying method; spraying high-temperature-resistant finish paint on the upper surface of the high-temperature-resistant primer by adopting a high-pressure airless spraying method, so as to form an instantaneous high-temperature-resistant paint film on the surface of the hull; setting the curing time of the instantaneous high-temperature resistant paint film. The invention can form a coating which can resist the instantaneous high temperature of 2300 ℃ on the surface of the hull, thereby prolonging the service life of the hull steel plate and prolonging the service life of the ship.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a construction method of an instantaneous high-temperature-resistant coating on the surface of a ship hull.
Background
During the design and use of the ship, instantaneous high temperature is inevitably generated in a part of areas. At present, equipment for bearing instantaneous high temperature is installed on ships, and the ships are more advanced than the ships in the past, so that the performance requirement on the instantaneous ultrahigh temperature resistant coating is stricter. In order to prevent the substrate from being damaged by the generated instantaneous high temperature, the high temperature resistant coating is sprayed on the area which is possibly impacted by the instantaneous high temperature for protection. At present, the surface of the hull steel plate is not basically sprayed with a coating which is resistant to instantaneous ultrahigh temperature of 2300 ℃, the service cycle of the hull is short, the service life of the hull is short, and the service life of the ship is short.
Disclosure of Invention
In view of the above, the present invention provides a construction method of a transient high temperature resistant coating on a hull surface, so as to solve the problems in the background art.
A construction method of an instantaneous high-temperature resistant coating on the surface of a ship hull specifically comprises the following steps:
s1, ensuring that the structural reinforcing parts and the ship body outfitting parts on the reverse sides of the coating area on the surface of the ship shell and the adjacent area are installed in place, and adjusting the flatness of the ship shell;
s2, detecting whether the coating humidity of the coating area is within the range of 10-35 ℃, whether the relative humidity is below 85%, and whether the surface temperature of the hull is higher than the dew point by more than 3 ℃, and if the requirements are met, preprocessing the surface of the hull of the coating area;
s3, spraying high-temperature resistant primer on the surface of the hull of the coating area by adopting a high-pressure airless spraying method;
s4, spraying high-temperature-resistant finish paint on the upper surface of the high-temperature-resistant primer by adopting a high-pressure airless spraying method, so as to form an instantaneous high-temperature-resistant paint film on the surface of the hull;
and S5, setting the curing time of the instantaneous high-temperature resistant paint film.
Preferably, the step S2 of pretreating the hull surface in the painting area includes the following specific steps:
and (3) roughening the surface of the hull of the coating area to ensure that the roughness of the surface of the area to be coated reaches St3 level, and cleaning the coating area after polishing.
Preferably, the step S3 of spraying the high-temperature resistant primer on the surface of the hull in the coating area by using a high-pressure airless spraying method specifically comprises the following steps:
s31, preparing a high-temperature resistant primer;
the high-temperature resistant primer is formed by mixing a component A paint and a component B paint, wherein the volume ratio of the component A paint to the component B paint is 4: 1;
s32, uniformly spraying a first high-temperature resistant primer on the surface of the hull by a high-pressure airless spraying method, wherein the spraying thickness of the first high-temperature resistant primer is controlled to be 36-44 microns;
and S33, uniformly spraying a second high-temperature resistant primer on the upper surface of the first high-temperature resistant primer in the coating interval period, wherein the spraying thickness of the second high-temperature resistant primer is controlled to be 36-44 microns.
Preferably, the step S4 of spraying the high-temperature-resistant finish on the surface of the high-temperature-resistant primer by using a high-pressure airless spraying method specifically includes the steps of:
s41, dipping the rag with a diluent to clean the upper surface of the high-temperature resistant primer;
s42, preparing high-temperature resistant finish paint;
the high-temperature-resistant finish paint is formed by mixing a component C paint and a component D paint, wherein the volume ratio of the component C paint to the component D paint is 9: 1;
s43, uniformly spraying a first high-temperature-resistant finish paint on the upper surface of the high-temperature-resistant primer by adopting a high-pressure airless spraying method, wherein the spraying thickness of the first high-temperature-resistant finish paint is controlled to be 36-44 microns;
s44, in the coating interval period, uniformly spraying a second high-temperature resistant finish paint on the upper surface of the first high-temperature resistant finish paint, wherein the spraying thickness of the second high-temperature resistant finish paint is controlled to be 36-44 microns.
Preferably, the coating interval period is 3 hours to 14 days.
Preferably, the instant high temperature resistant paint film is cured for at least 5 to 7 days.
The invention has the beneficial effects that:
the method is simple to operate and convenient to use, and can form the coating which can resist the instantaneous high temperature of 2300 ℃ on the surface of the ship shell, thereby prolonging the service life of the ship shell steel plate and prolonging the service life of the ship.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of the present invention.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The invention provides a construction method of an instantaneous high-temperature-resistant coating on the surface of a ship hull, which specifically comprises the following steps:
and S1, ensuring that the structural reinforcing parts and the ship body fittings on the reverse sides of the coating area (high-temperature resistant area) on the surface of the ship shell and the adjacent area are installed in place, wherein the structural reinforcing parts specifically refer to reinforcing structural parts such as reinforcing ribs and the like which need to be subjected to fire work. Meanwhile, the flatness of the hull is adjusted to ensure that the surface of the hull in the coating area is smooth.
S2, detecting whether the coating humidity of the coating area is within the range of 10-35 ℃, whether the relative humidity is below 85%, and whether the surface temperature of the hull is higher than the dew point by more than 3 ℃, and if so, preprocessing the surface of the hull of the coating area.
When measuring the coating temperature and relative humidity, the measurement should be made as close as possible to the hull surface in the coating area.
The method for pretreating the surface of the hull in the coating area comprises the following specific steps: roughening the surface of the hull of the coating area to make the roughness of the surface of the area to be coated reach St3 level, and cleaning the coating area after finishing polishing, for example, cleaning the coating area and the peripheral area of the coating area to achieve the degree of cleanness, cleanness and no pollution. The roughness degree of the surface of the hull plays an important role in the adhesive force of the coating, the coating is strictly executed according to the standard, and the surface roughness treatment of the hull does not reach the standard and cannot be carried out for subsequent work.
And S3, spraying high-temperature resistant primer on the surface of the hull in the coating area by adopting a high-pressure airless spraying method.
The specific steps of spraying the high-temperature resistant primer are as follows:
s31, preparing a high-temperature resistant primer;
the high-temperature resistant primer is formed by mixing a component A paint and a component B paint, wherein the volume ratio of the component A paint to the component B paint is 4:1, the component A paint can be GM-3 organosilicon paint, and the component B paint can be GM-3 curing agent;
s32, uniformly spraying a first high-temperature resistant primer on the surface of the hull by a high-pressure airless spraying method; when spraying the first high-temperature resistant primer, calculating the rated consumption of the high-temperature resistant primer according to the spraying area, thereby controlling the spraying thickness of the first high-temperature resistant primer to be 36-44 microns;
and S33, uniformly spraying a second high-temperature resistant primer on the upper surface of the first high-temperature resistant primer within a coating interval period (3 hours to 14 days), wherein the spraying thickness of the second high-temperature resistant primer is controlled to be 36 to 44 micrometers. The spraying mode of the second high-temperature resistant primer is the same as that of the first high-temperature resistant primer.
After the second high-temperature resistant primer is sprayed, a high-temperature resistant bottom layer is formed on the surface of the ship shell, and the total film thickness of the high-temperature resistant bottom layer is 80 microns.
S4, spraying high-temperature resistant finish paint on the surface of the high-temperature resistant primer by a high-pressure airless spraying method, thereby forming an instantaneous high-temperature resistant paint film on the surface of the hull.
The method comprises the following specific steps of:
s41, dipping the rag with a diluent to clean the upper surface of the high-temperature resistant primer, and thoroughly removing various pollutants on the surface of the high-temperature resistant primer; the diluent can specifically adopt a GM-6 special diluent;
s42, preparing high-temperature resistant finish paint;
the high-temperature-resistant finish paint is formed by mixing a component C paint and a component D paint, wherein the volume ratio of the component C paint to the component D paint is 9:1, the component C paint can be GM-6 organic silicon paint, and the component D can be GM-6 curing agent;
s43, uniformly spraying a first high-temperature-resistant finish paint on the upper surface of the high-temperature-resistant primer by adopting a high-pressure airless spraying method, and when the first high-temperature-resistant finish paint is sprayed, calculating the rated consumption of the high-temperature-resistant finish paint according to the spraying area, so that the spraying thickness of the first high-temperature-resistant finish paint is controlled to be 36-44 microns;
and S44, uniformly spraying a second high-temperature-resistant finish paint on the upper surface of the first high-temperature-resistant finish paint within a coating interval period (3 hours to 14 days), wherein the spraying thickness of the second high-temperature-resistant finish paint is controlled to be 36 to 44 micrometers. The spraying mode of the second high-temperature resistant finish paint is the same as that of the first high-temperature resistant finish paint.
After the second high-temperature resistant finish paint is sprayed, a high-temperature resistant surface layer is formed on the surface of the ship shell, and the total film thickness of the high-temperature resistant surface layer is 80 microns.
The high-temperature resistant bottom layer and the high-temperature resistant surface layer jointly form an instantaneous high-temperature resistant paint film.
And S5, setting the curing time of the instantaneous high-temperature resistant paint film.
And (3) curing and maintaining the instantaneous high-temperature resistant paint film for at least 5-7 days, and when the hardness of the instantaneous high-temperature resistant paint film meets the set requirement, working to walk on the hull to perform other subsequent operations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A construction method of a ship hull surface instantaneous high temperature resistant coating is characterized by comprising the following steps:
s1, ensuring that the structural reinforcing parts and the ship body outfitting parts on the reverse sides of the coating area on the surface of the ship shell and the adjacent area are installed in place, and adjusting the flatness of the ship shell;
s2, detecting whether the coating humidity of the coating area is within the range of 10-35 ℃, whether the relative humidity is below 85%, and whether the surface temperature of the hull is higher than the dew point by more than 3 ℃, and if the requirements are met, preprocessing the surface of the hull of the coating area;
s3, spraying high-temperature resistant primer on the surface of the hull of the coating area by adopting a high-pressure airless spraying method;
s4, spraying high-temperature-resistant finish paint on the upper surface of the high-temperature-resistant primer by adopting a high-pressure airless spraying method, so as to form an instantaneous high-temperature-resistant paint film on the surface of the hull;
and S5, setting the curing time of the instantaneous high-temperature resistant paint film.
2. The construction method of the instantaneous high-temperature resistant coating on the hull surface according to claim 1, characterized in that the step S2 of pretreating the hull surface in the coating area comprises the following specific steps:
and (3) roughening the surface of the hull of the coating area to ensure that the roughness of the surface of the area to be coated reaches St3 level, and cleaning the coating area after polishing.
3. The construction method of the instantaneous high temperature resistant coating on the hull surface according to claim 1, wherein the step S3 of spraying the high temperature resistant primer on the hull surface in the coating area by a high pressure airless spraying method comprises the following specific steps:
s31, preparing a high-temperature resistant primer;
the high-temperature resistant primer is formed by mixing a component A paint and a component B paint, wherein the volume ratio of the component A paint to the component B paint is 4: 1;
s32, uniformly spraying a first high-temperature resistant primer on the surface of the hull by a high-pressure airless spraying method, wherein the spraying thickness of the first high-temperature resistant primer is controlled to be 36-44 microns;
and S33, uniformly spraying a second high-temperature resistant primer on the upper surface of the first high-temperature resistant primer in the coating interval period, wherein the spraying thickness of the second high-temperature resistant primer is controlled to be 36-44 microns.
4. The construction method of the instantaneous high temperature resistant coating on the hull surface of the ship of claim 1, wherein the step S4 of spraying the high temperature resistant finish paint on the surface of the high temperature resistant primer by a high pressure airless spraying method comprises the following specific steps:
s41, dipping the rag with a diluent to clean the upper surface of the high-temperature resistant primer;
s42, preparing high-temperature resistant finish paint;
the high-temperature-resistant finish paint is formed by mixing a component C paint and a component D paint, wherein the volume ratio of the component C paint to the component D paint is 9: 1;
s43, uniformly spraying a first high-temperature-resistant finish paint on the upper surface of the high-temperature-resistant primer by adopting a high-pressure airless spraying method, wherein the spraying thickness of the first high-temperature-resistant finish paint is controlled to be 36-44 microns;
s44, in the coating interval period, uniformly spraying a second high-temperature resistant finish paint on the upper surface of the first high-temperature resistant finish paint, wherein the spraying thickness of the second high-temperature resistant finish paint is controlled to be 36-44 microns.
5. The construction method of the instantaneous high-temperature resistant coating on the surface of the ship hull according to the claim 3 or 4, characterized in that the coating interval period is 3 hours to 14 days.
6. The method for applying the instantaneous high-temperature resistant coating on the surface of the ship hull according to claim 1, wherein the instantaneous high-temperature resistant paint film is cured for at least 5-7 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131287.0A CN110787973A (en) | 2019-11-19 | 2019-11-19 | Construction method of instantaneous high-temperature-resistant coating on surface of ship hull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131287.0A CN110787973A (en) | 2019-11-19 | 2019-11-19 | Construction method of instantaneous high-temperature-resistant coating on surface of ship hull |
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| CN110787973A true CN110787973A (en) | 2020-02-14 |
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| CN201911131287.0A Pending CN110787973A (en) | 2019-11-19 | 2019-11-19 | Construction method of instantaneous high-temperature-resistant coating on surface of ship hull |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408532A (en) * | 2020-05-08 | 2020-07-14 | 青岛造船厂有限公司 | Corrosion prevention method for ship desulfurization device exhaust side outer pipe and obtained exhaust side outer pipe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5952569A (en) * | 1982-09-17 | 1984-03-27 | Honda Motor Co Ltd | Application of heat and corrosion resistant patterning paint onto magnesium alloy material |
| CN204327284U (en) * | 2014-11-10 | 2015-05-13 | 中油新星纳米工程技术有限公司 | A kind of ships and light boats engine housing |
| CN106700844A (en) * | 2015-07-20 | 2017-05-24 | 海洋化工研究院有限公司 | Preparation of weather-proof temperature-resistant anticorrosive coating |
-
2019
- 2019-11-19 CN CN201911131287.0A patent/CN110787973A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5952569A (en) * | 1982-09-17 | 1984-03-27 | Honda Motor Co Ltd | Application of heat and corrosion resistant patterning paint onto magnesium alloy material |
| CN204327284U (en) * | 2014-11-10 | 2015-05-13 | 中油新星纳米工程技术有限公司 | A kind of ships and light boats engine housing |
| CN106700844A (en) * | 2015-07-20 | 2017-05-24 | 海洋化工研究院有限公司 | Preparation of weather-proof temperature-resistant anticorrosive coating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408532A (en) * | 2020-05-08 | 2020-07-14 | 青岛造船厂有限公司 | Corrosion prevention method for ship desulfurization device exhaust side outer pipe and obtained exhaust side outer pipe |
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Application publication date: 20200214 |