CN108906555A - Ship special-shaped narrow inner cavity of pipe spraying method - Google Patents
Ship special-shaped narrow inner cavity of pipe spraying method Download PDFInfo
- Publication number
- CN108906555A CN108906555A CN201810932961.4A CN201810932961A CN108906555A CN 108906555 A CN108906555 A CN 108906555A CN 201810932961 A CN201810932961 A CN 201810932961A CN 108906555 A CN108906555 A CN 108906555A
- Authority
- CN
- China
- Prior art keywords
- spraying
- inner cavity
- paint
- trolley
- solvent
- 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.)
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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
- 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
- B05D7/22—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 internal surfaces, e.g. of tubes
- B05D7/222—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 internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
-
- 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
- B05D3/04—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 exposure to gases
- B05D3/0406—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 exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Nozzles (AREA)
Abstract
The present invention provides a kind of ship special-shaped narrow inner cavity of pipe spraying method, and medium-boiling solvent butanone, butyl ester and low boiling point solvent acetone, ethyl ester are pressed 1:1:2.5:2.5 ratios are deployed into dedicated solvent, are added in coating and stir evenly by the demand of coating capacity, and priming paint applies viscosity control between 35~45s after mixing, and intermediate coat viscosity controls between 50~60s, and cooperation spraying trolley carries out spraying application to track interior walls.Method paint film atomizing effect of the present invention is good, and paint film is uniform, without the drop, good leveling property of hanging down.Coating allotment on-site construction operations are easily implemented.
Description
Technical field
The present invention relates to ship spraying technology fields, are specifically related to a kind of narrow ship special-shaped narrow inner cavity of pipe
Spraying method.
Background technique
In ship spraying, track inner cavity is narrow, and inner-wall spraying paint film drop is hung seriously, and coating is for being tethered on ship
Epoxy polyurethane compo, its own volatility is high, and film curing drying time, long, not applicable inner cavity was constructed.
Summary of the invention
Technical problem to be solved by the present invention lies in overcome lacking for narrow pipe inner-wall spraying technique in the prior art
It falls into, a kind of ship special-shaped narrow inner cavity of pipe spraying method is provided, this method does not change the performance of original coating, inner wall paint film
One-pass film-forming thickness uniformly, without drop is hung.
It is to solve the above-mentioned problems the technical scheme is that such：
Ship special-shaped narrow inner cavity of pipe spraying method, includes the following steps:
Step 1：Paint
Medium-boiling solvent butanone, butyl ester and low boiling point solvent acetone, ethyl ester are pressed 1:1:2.5:2.5 ratios are deployed into specially
With solvent, stir evenly.
Step 2：Spray-applied primer
By epoxy primer：Curing agent=4:1 ratio is stirred, and the dedicated solvent for being then added 7.5% stirs
It is even；
The control of priming paint (epoxy primer) viscosity is between 35~45s after mixing；
Spraying application is carried out to track interior walls using spraying trolley；
Step 3：Spray intermediate coat
Wear-resisting aluminium powder pure epoxy paint：Curing agent=2.5：1 ratio is stirred, and 18% dedicated solvent is then added
It stirs evenly；
Mixed intermediate coat viscosity control is between 50~60s
Spraying application is carried out to track interior walls using spraying trolley again.
In the present invention, it after the completion of the priming paint and intermediate coat spraying is required to that inner cavity of pipe is dried, institute
Drying process is stated by 80 DEG C of air-heater outlet temperature of setting, starts air-heater, it is 24 hours dry.
In the present invention, the spray pressure of the spraying trolley is 0.55MPa.
In the present invention, the spraying direction of the spraying trolley is opposite with the spraying traffic direction of trolley.
Beneficial effect：Method of the present invention configures medium-boiling solvent, low boiling point solvent mixed solvent in proportion, adjusts
Whole suitable paint viscosity, paint film atomizing effect is good, and paint film is uniform, without the drop, good leveling property of hanging down.Coating deploys site operation
Operation is easily implemented.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below
The present invention is further explained.
Heavy antisepsis special coating allocating technology peculiar to vessel by different proportion, low boiling point solvent simulation exemplar it is anti-
Retrial is tested, it is ensured that paint film is uniform, without drop of hanging down, cooperates double nozzle high-voltage airless sprayings, paint film one-pass film-forming thickness uniformly, without drop
It hangs.
Medium-boiling solvent butanone, butyl ester and low boiling point solvent acetone, ethyl ester are pressed 1:1:2.5:2.5 ratios are deployed into specially
It with solvent, is stirred evenly by the addition proper proportion of coating capacity into coating, priming paint (epoxy primer) applies viscosity control after mixing
Between 35~45s, intermediate coat (wear-resisting aluminium powder pure epoxy paint) viscosity controls between 50~60s system, cooperation spraying trolley pair
Track interior walls carry out spraying application.
1. cleaning before spraying
Butyl ester and ethyl ester are pressed 1：1 ratio is made into dedicated solvent, and 2% antioxidant is added and stirs evenly, will be configured
Cleaning agent imports feeding tube, opens equipment and carries out oil removing cleaning to inner cavity.
Priming paint 2. (epoxy primer) spraying process
A) spraying equipment is in place
Hose radio and tape player is fixed in orbit, connection spraying trolley, airless sprayer and hose rolling up and down machine and conveying
Pipe, confirm be completely embedded between each connector, No leakage.
B) test run
Spraying trolley and conveying pipeline are respectively put into the installation of track inner cavity in place by services aperture, and are moved to track head
End.Motor speed is set as 65r/min, starts hose rolling up and down machine, one end (to top plate) is moved to at the uniform velocity (~0.65m/s),
The mobile smooth nothing of confirmation spraying trolley gets stuck, and takes out spraying trolley and awaits orders.
C) paint examination spray
Epoxy primer：Curing agent presses component A：Component B=16L：4L ratio is stirred for use.
Graduated cylinder successively pours into medium-boiling solvent 0.15L butanone, 0.15L butyl ester and low boiling point solvent 0.6L acetone, 0.6L second
Ester is configured to stir evenly for use with priming paint at 7.5% dedicated solvent.
Dedicated solvent is poured into paint can, is stirred, tests viscosity of the coating, viscosity of the coating with viscosimeter after 20min
Control is poured into conveying bucket after filtering coating with 150 mesh filter screens in 35~45s；Airless sprayer air inlet ball valve is opened,
Import pressure regulator valve is adjusted to~0.55MPa.Starting examination spray button, it is unobstructed to determine that nozzle paints out, atomization uniformly, stops rear nozzle
Without coating water clock.
Priming paint (epoxy primer) formula
D) priming paint (epoxy primer) inner cavity sprays
Be put into spraying trolley by services aperture, open airless sprayer air inlet ball valve, adjust import pressure regulator valve to~
0.55MPa.Motor speed is set as 65r/min, starts hose rolling up and down machine, one end is moved to at the uniform velocity (~0.65m/s)；It beats
Airless sprayer unloading valve (removing hose to connect with trolley) is opened, spraying trolley is taken out by services aperture.
E) inner cavity is dry
80 DEG C of air-heater outlet temperature of setting starts air-heater, and drying time is for 24 hours.
Intermediate coat 3. (wear-resisting aluminium powder pure epoxy paint) spraying process
A) spraying equipment is in place
Hose radio and tape player is fixed in orbit, conveying between connection spraying trolley, airless sprayer and hose rolling up and down machine
Pipe, confirm be completely embedded between each connector, No leakage.
B) test run
Spraying trolley and conveying pipeline are respectively put into the installation of track inner cavity in place by services aperture, and are moved to track head
End.Motor speed is set as 55r/min, starts hose rolling up and down machine, one end (to top plate) is moved to at the uniform velocity (~0.55m/s),
The mobile smooth nothing of confirmation spraying trolley gets stuck, and takes out spraying trolley and awaits orders.
C) paint examination spray
Wear-resisting aluminium powder pure epoxy paint：Curing agent presses component A：Component B=2.5：1 ratio is stirred for use.
Graduated cylinder successively pours into medium-boiling solvent 0.32L butanone, 0.32L butyl ester and low boiling point solvent 1.28L acetone, 1.28L
Ethyl ester, by 1:1:2.5:2.5 proportional arrangement, 18% dedicated solvent stirs evenly for use.
Dedicated solvent is poured into paint can, is stirred, tests viscosity of the coating, viscosity of the coating with viscosimeter after 20min
Control is poured into conveying bucket after filtering coating with 100 mesh filter screens in 50~60s；Airless sprayer air inlet ball valve is opened,
Import pressure regulator valve is adjusted to~0.55MPa.Starting examination spray button, it is unobstructed to determine that nozzle paints out, atomization uniformly, stops rear nozzle
Without coating water clock.
Intermediate coat (wear-resisting aluminium powder pure epoxy paint) formula
D) intermediate coat (wear-resisting aluminium powder pure epoxy paint) inner cavity sprays
Be put into spraying trolley by services aperture, open airless sprayer air inlet ball valve, adjust import pressure regulator valve to~
0.55MPa.Motor speed is set as 55r/min, starts hose rolling up and down machine, one end is moved to at the uniform velocity (~0.55m/s)；It beats
Airless sprayer unloading valve (removing hose to connect with trolley) is opened, spraying trolley is taken out by services aperture.
E) inner cavity is dry
80 DEG C of air-heater outlet temperature of setting starts air-heater, and drying time is for 24 hours.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed range of the invention patent is wanted by appended right
Book and its equivalent is asked to define.
Claims (4)
1. ship special-shaped narrow inner cavity of pipe spraying method, which is characterized in that include the following steps：
Step 1：Paint
Medium-boiling solvent butanone, butyl ester and low boiling point solvent acetone, ethyl ester are pressed 1:1:2.5:2.5 ratios are deployed into dedicated molten
Agent stirs evenly.
Step 2：Spray-applied primer
By epoxy primer：Curing agent=4:1 ratio is stirred, and then the dedicated solvent of addition 7.5% stirs evenly；
The control of priming paint (epoxy primer) viscosity is between 35~45s after mixing；
Spraying application is carried out to track interior walls using spraying trolley；
Step 3：Spray intermediate coat
Wear-resisting aluminium powder pure epoxy paint：Curing agent=2.5：1 ratio is stirred, and the dedicated solvent for being then added 18% stirs
It is even；
Mixed intermediate coat (wear-resisting aluminium powder pure epoxy paint) viscosity control is between 50~60s
Spraying application is carried out to track interior walls using spraying trolley again.
2. ship special-shaped narrow inner cavity of pipe spraying method according to claim 1, which is characterized in that the priming paint is in
Between paint spraying after the completion of be required to that inner cavity of pipe is dried, it is described be dried by setting air-heater outlet temperature
80 DEG C, start air-heater, it is 24 hours dry.
3. ship special-shaped narrow inner cavity of pipe spraying method according to claim 1, which is characterized in that the spraying trolley
Spray pressure be 0.55MPa.
4. ship special-shaped narrow inner cavity of pipe spraying method according to claim 1, which is characterized in that the spraying trolley
Spraying direction with spraying the traffic direction of trolley it is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932961.4A CN108906555A (en) | 2018-08-16 | 2018-08-16 | Ship special-shaped narrow inner cavity of pipe spraying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932961.4A CN108906555A (en) | 2018-08-16 | 2018-08-16 | Ship special-shaped narrow inner cavity of pipe spraying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108906555A true CN108906555A (en) | 2018-11-30 |
Family
ID=64405959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810932961.4A Pending CN108906555A (en) | 2018-08-16 | 2018-08-16 | Ship special-shaped narrow inner cavity of pipe spraying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108906555A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100578A (en) * | 2006-07-03 | 2008-01-09 | 中国人民解放军海军装备技术研究所 | Bi-component corrosion-proof dope |
| US7348039B2 (en) * | 2005-12-21 | 2008-03-25 | Jak Aklian | Method of making a newly installed plumbing system renewable |
| CN103409033A (en) * | 2013-06-09 | 2013-11-27 | 广东电网公司电力科学研究院 | Conductive anticorrosive coating and preparation method thereof |
| CN104087053A (en) * | 2014-07-26 | 2014-10-08 | 潍坊亿兴化工科技有限公司 | Environment-friendly thinner for automotive refinishing paint and preparation method of environment-friendly thinner |
| CN107457169A (en) * | 2016-06-02 | 2017-12-12 | 上海图博可特石油管道涂层有限公司 | The internally coated spraying method of tubing coupling screw thread |
-
2018
- 2018-08-16 CN CN201810932961.4A patent/CN108906555A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7348039B2 (en) * | 2005-12-21 | 2008-03-25 | Jak Aklian | Method of making a newly installed plumbing system renewable |
| CN101100578A (en) * | 2006-07-03 | 2008-01-09 | 中国人民解放军海军装备技术研究所 | Bi-component corrosion-proof dope |
| CN103409033A (en) * | 2013-06-09 | 2013-11-27 | 广东电网公司电力科学研究院 | Conductive anticorrosive coating and preparation method thereof |
| CN104087053A (en) * | 2014-07-26 | 2014-10-08 | 潍坊亿兴化工科技有限公司 | Environment-friendly thinner for automotive refinishing paint and preparation method of environment-friendly thinner |
| CN107457169A (en) * | 2016-06-02 | 2017-12-12 | 上海图博可特石油管道涂层有限公司 | The internally coated spraying method of tubing coupling screw thread |
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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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Xiaoyi Inventor after: Cao Jie Inventor after: Qi Weidong Inventor after: Cui Zhaobing Inventor after: Xiong Yurui Inventor after: Wang Qing Inventor before: Yang Xiaoyi Inventor before: Cao Jie Inventor before: Qi Weidong Inventor before: Cui Zhaobin Inventor before: Xiong Yurui Inventor before: Wang Qing |