CN113499967A - Ship coating method - Google Patents
Ship coating method Download PDFInfo
- Publication number
- CN113499967A CN113499967A CN202110822618.6A CN202110822618A CN113499967A CN 113499967 A CN113499967 A CN 113499967A CN 202110822618 A CN202110822618 A CN 202110822618A CN 113499967 A CN113499967 A CN 113499967A
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- CN
- China
- Prior art keywords
- coating
- coating surface
- coating method
- spraying
- marine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 78
- 239000011248 coating agent Substances 0.000 claims abstract description 62
- 239000003973 paint Substances 0.000 claims abstract description 36
- 238000005507 spraying Methods 0.000 claims abstract description 26
- 239000004593 Epoxy Substances 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000005422 blasting Methods 0.000 claims description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 12
- 239000007921 spray Substances 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 7
- 229920000180 alkyd Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- -1 moisture Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
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
- 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
- B05D3/02—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 baking
- B05D3/0254—After-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
- B05D3/10—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 other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- 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
-
- 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
- B05D7/14—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 to metal, e.g. car bodies
- B05D7/16—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 to metal, e.g. car bodies using synthetic lacquers or varnishes
-
- 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
- B05D2504/00—Epoxy polymers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a ship coating method, which is characterized by comprising the following steps: s1: pretreating the coating surface; s2: carrying out primary spraying on the treated coating surface by adopting epoxy paint; s3: after waiting preliminary spraying the application surface is dry after, right the application surface is mended and is scribbled, so that the application surface is by whole spraying, and the dry film thickness is 110 ~ 140 um. By adopting the invention, the epoxy paint is adopted to spray the coating surface, the curing of the epoxy paint is chemical curing, and the drying time is shorter, so that the curing time of the coating surface can be shortened, the construction efficiency is improved, the construction period of the ship is further shortened, and the manual input is reduced.
Description
Technical Field
The invention relates to a ship coating method.
Background
With the rapid development of the ship industry in China, particularly the high labor intensity of the ship coating industry, certain dangers exist in safety, certain pollution is caused to the environment, and risks are caused to the occupational health of practitioners, so that the problems are urgently needed to be improved. In the prior art, alkyd paint is adopted for coating, but the curing of the alkyd paint belongs to physical curing because the alkyd paint belongs to single-component paint, and each degree of paint needs 3-5 days of curing time, the traditional 2-degree alkyd paint is matched (about 120 mu m after the thickness of 2-degree dry film is thick) and applied to ships, the 2-degree alkyd paint needs to be sprayed, after the spraying of the 1-degree alkyd paint is finished, the repair can be carried out after the drying of 3-5 days, then the 2-degree alkyd paint is sprayed, and the repair is carried out after the drying of the 2-degree alkyd paint for 3-5 days. Thus, the construction period of the ship coating at the former stage is averagely 11.8 days, the construction period at the later stage is averagely 8 days,
disclosure of Invention
The invention aims to overcome the defect of long ship coating period in the prior art and provides a ship coating method.
The invention solves the technical problems through the following technical scheme:
a ship coating method is characterized by comprising the following steps:
s1: pretreating the coating surface;
s2: carrying out primary spraying on the treated coating surface by adopting epoxy paint;
s3: after waiting preliminary spraying the application surface is dry after, right the application surface is mended and is scribbled, so that the application surface is by whole spraying, and the dry film thickness is 110 ~ 140 um.
In this scheme, through adopting epoxy paint to carry out the spraying to the application surface, epoxy paint's solidification is chemical solidification, and its dry time is shorter to can reduce the curing time on application surface, improve the efficiency of construction, further shorten the construction cycle of boats and ships, reduce artifical the input.
Preferably, the S1 is: and (3) carrying out rust removal pretreatment on the coating surface so that the coating surface at least reaches the ST2 grade.
In this scheme, through the preliminary treatment of carrying out the rust cleaning to the application surface to can ensure the whole quality and the performance of application, make the effect of application better.
Preferably, the S1 includes:
s110: removing residual water and oil stains on the coating surface;
s120: and removing rust on the coating surface by acid washing.
In the scheme, various residual sundries, moisture, oil stains and other substances on the coating surface are removed firstly, and the coating surface is deeply treated by acid washing, so that the coating surface can meet the preset requirement.
Preferably, the S120 further includes: and derusting the coating surface by shot blasting or shot blasting.
Preferably, in S2, the processed coating surface is preliminarily sprayed by an airless sprayer.
Preferably, in S2, the epoxy paint is a two-component paint including an epoxy resin and a curing agent.
Preferably, the drying time of the primary spraying of the coating surface is 20-28 hours.
In this scheme, epoxy paint smell bi-component paint, it is through chemical curing, and drying time is shorter, can get into next process fast, improves the efficiency of construction.
Preferably, in S3, the coating surface is coated with the epoxy paint.
In the scheme, when the coating surface is subjected to coating supplement, the epoxy paint can also be used, so that the coating surface is consistent, and the coating period can be saved.
The positive progress effects of the invention are as follows: the epoxy paint is adopted to spray the coating surface, the curing of the epoxy paint is chemical curing, and the drying time is short, so that the curing time of the coating surface can be shortened, the construction efficiency is improved, the construction period of the ship is further shortened, and the manual investment is reduced.
Drawings
Fig. 1 is a schematic flow chart of a ship coating method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of step S1 according to the embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
The embodiment of the invention provides a ship coating method, which comprises the following steps of:
s1: pretreating the coating surface;
s2: carrying out primary spraying on the treated coating surface by adopting epoxy paint;
s3: and after the coating surface after the primary spraying is dried, performing supplementary coating on the coating surface so as to ensure that the coating surface is integrally sprayed, and the thickness of the dry film is 110-140 mu m.
According to the embodiment, the epoxy paint is adopted to spray the coating surface, the curing of the epoxy paint is chemical curing, and the drying time is short, so that the curing time of the coating surface can be shortened, the construction efficiency is improved, the construction period of the ship is further shortened, and the manual input is reduced.
In particular implementations, the thickness of the dry film can be controlled by controlling the thickness of the wet film during spraying.
As a preferred embodiment, S1 is: and (3) performing rust removal pretreatment on the coating surface so that the coating surface at least reaches the ST2 grade. Through the pretreatment of rust removal on the coating surface, the overall quality and performance of coating can be guaranteed, and the coating effect is better.
As a preferred embodiment, as shown in fig. 2, S1 includes:
s110: removing residual water and oil stains on the coating surface;
s120: rust removal is performed on the coated surface by acid pickling.
In the above embodiment, various impurities, moisture, oil stains and other substances remaining on the coating surface are removed, and the coating surface is subjected to deep treatment by acid washing, so that the coating surface can meet the preset requirements.
As a preferred embodiment, S120 further includes: and derusting the coated surface by shot blasting or shot blasting.
According to the embodiment, the coating surface can be treated through shot blasting or shot blasting, so that the coating surface can meet the preset requirement.
In specific implementation, the above-mentioned acid washing method may be adopted, the above-mentioned shot blasting or shot blasting treatment method may be adopted, or both methods may be combined, for example, the whole body is first acid-washed, and a shot blasting or shot blasting treatment method is adopted for a local part.
In S2, the treated surface to be painted is initially painted by an airless sprayer.
Through the embodiment, the airless sprayer is adopted for preliminary spraying, so that the coating surface can be quickly sprayed. According to the thickness requirement of coating, different spraying modes can be selected, for example, a spray gun can be uniformly moved to spray a place with a smaller spraying thickness requirement; for areas where greater spray thickness requirements are required, overlapping sprays in a criss-cross pattern may be used.
In specific implementation, the preliminary spraying can be overall spraying of the coated surface after pretreatment. Or, the preliminary spraying can be divided into pre-spraying and integral spraying, after the coating surface is pretreated, the coating surface is pre-sprayed to cover the pretreated coating surface in a short time, and then the integral spraying is carried out according to the thickness requirement of the coated dry film, so that the coating meets the expected requirement.
As a preferred embodiment, in S2, the epoxy paint is a two-component paint including an epoxy resin and a curing agent.
In a preferred embodiment, the drying time of the primary spraying on the coating surface is 20 to 28 hours.
Specifically, the drying time of the coated surface was 24 hours.
Through the embodiment, the epoxy paint-flavored bi-component paint is chemically cured, is short in drying time, can quickly enter the next procedure, and improves the construction efficiency.
As a preferred embodiment, in S3, the coated surface is additionally coated with an epoxy paint.
With the above-described embodiment, an epoxy paint can also be used when a painted surface is repainted, so that the painted surface is made uniform and the painting cycle can be saved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (8)
1. A coating method for a ship, characterized by comprising the steps of:
s1: pretreating the coating surface;
s2: carrying out primary spraying on the treated coating surface by adopting epoxy paint;
s3: after waiting preliminary spraying the application surface is dry after, right the application surface is mended and is scribbled, so that the application surface is by whole spraying, and the dry film thickness is 110 ~ 140 um.
2. The marine coating method according to claim 1, wherein S1 is: and (3) carrying out rust removal pretreatment on the coating surface so that the coating surface at least reaches the ST2 grade.
3. The marine coating method according to claim 2, wherein S1 includes:
s110: removing residual water and oil stains on the coating surface;
s120: and removing rust on the coating surface by acid washing.
4. The marine coating method according to claim 3, wherein S120 further includes: and derusting the coating surface by shot blasting or shot blasting.
5. The marine coating method according to claim 1, wherein in S2, the treated surface to be coated is preliminarily sprayed by an airless sprayer.
6. The marine coating method according to claim 1, wherein in S2, the epoxy paint is a two-component paint including an epoxy resin and a curing agent.
7. The marine coating method according to claim 1, wherein the drying time of the preliminary spray coating on the coating surface is 20 to 28 hours.
8. The marine coating method according to claim 1, wherein in S3, the epoxy paint is used to complement the coating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110822618.6A CN113499967A (en) | 2021-07-21 | 2021-07-21 | Ship coating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110822618.6A CN113499967A (en) | 2021-07-21 | 2021-07-21 | Ship coating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113499967A true CN113499967A (en) | 2021-10-15 |
Family
ID=78013432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110822618.6A Pending CN113499967A (en) | 2021-07-21 | 2021-07-21 | Ship coating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113499967A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985120A (en) * | 2010-11-22 | 2011-03-16 | 国家海洋局天津海水淡化与综合利用研究所 | Spray coating process for anti-corrosive paint special for distilled seawater desalination equipment |
| CN103623987A (en) * | 2013-11-25 | 2014-03-12 | 南通长青沙船舶工程有限公司 | Coating technology of ship |
| CN104959294A (en) * | 2015-06-05 | 2015-10-07 | 吴俊娟 | Ship coating process |
| CN106179924A (en) * | 2016-07-15 | 2016-12-07 | 南通纺都置业有限公司 | Vessel coating technique |
| CN107127124A (en) * | 2016-02-29 | 2017-09-05 | 中航鼎衡造船有限公司 | New outside plate IB ice formations paint application technique |
| CN107442369A (en) * | 2016-05-30 | 2017-12-08 | 五冶集团上海有限公司 | Oil paint coating construction method under hot and humid environment |
-
2021
- 2021-07-21 CN CN202110822618.6A patent/CN113499967A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985120A (en) * | 2010-11-22 | 2011-03-16 | 国家海洋局天津海水淡化与综合利用研究所 | Spray coating process for anti-corrosive paint special for distilled seawater desalination equipment |
| CN103623987A (en) * | 2013-11-25 | 2014-03-12 | 南通长青沙船舶工程有限公司 | Coating technology of ship |
| CN104959294A (en) * | 2015-06-05 | 2015-10-07 | 吴俊娟 | Ship coating process |
| CN107127124A (en) * | 2016-02-29 | 2017-09-05 | 中航鼎衡造船有限公司 | New outside plate IB ice formations paint application technique |
| CN107442369A (en) * | 2016-05-30 | 2017-12-08 | 五冶集团上海有限公司 | Oil paint coating construction method under hot and humid environment |
| CN106179924A (en) * | 2016-07-15 | 2016-12-07 | 南通纺都置业有限公司 | Vessel coating technique |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211015 |