CN105537040B - Paint circulation system cleaning technique - Google Patents
Paint circulation system cleaning technique Download PDFInfo
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- CN105537040B CN105537040B CN201511007318.3A CN201511007318A CN105537040B CN 105537040 B CN105537040 B CN 105537040B CN 201511007318 A CN201511007318 A CN 201511007318A CN 105537040 B CN105537040 B CN 105537040B
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- cleaning
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
Abstract
The present invention relates to finishing system cleaning technique field, especially a kind of paint circulation system cleaning technique；It is paint circulation system cleaning technique of a set of oiliness to aqueous transformation, includes the following steps：II solvents of first time QX clean：（1）It gets coating in system and extrudes the remaining coating in pipeline with air, until return duct only goes out air；（2）II solvents of QX are squeezed into, starts after pump carries out solvent cycle a period of time and stops pump, get the solvent in system and purged with air, until there was only air in return duct；The advantageous effect of technical solution using the present invention is：1st, the cost that workshop directly more renews the pipeline circulatory system is saved；2nd, the wasting of resources that crude oil paint circulation system is vacant caused by the circulatory system more renewed is avoided；3rd, the flexibility that coating toggles between the systems is enhanced, facilitates daily production needs, while avoids and toggles the big cost investment that all must more renew pipeline every time.
Description
Technical field
The present invention relates to finishing system cleaning technique field, especially a kind of paint circulation system cleaning technique.
Background technology
The paint circulation system of Painting Shop be it is a series of can ensure normally to provide in vehicle body coating needed for coating
Circulation mechanism；Normally a kind of color corresponds to set of system；In this application VOC project reconstructions, it is related to oiliness
It applies and expects that the whole of water paint replace, then corresponding paint circulation system must do corresponding change.To avoid workshop straight
Connect more renew the pipeline circulatory system and crude oil paint circulation system caused by it is vacant two-way cost waste, now develop
A set of exclusive paint circulation system cleaning technique can continue the aqueous painting of normal use to reach in the oil paint circulatory system
The purpose of material.
Invention content
To solve the above-mentioned problems, the invention discloses a kind of coating cyclic happiness cleaning techniques, and having can be in oiliness
Continue the effect of normal use water paint on paint circulation system.
In order to achieve the above objectives, the technical solution adopted by the present invention is as follows：
A kind of paint circulation system cleaning technique is paint circulation system cleaning technique of a set of oiliness to aqueous transformation,
Include the following steps：
（One）II solvents of first time QX- clean：
（1）It gets coating in system and extrudes the remaining coating in pipeline with air, until return duct only goes out air；
（2）II solvents of QX- are squeezed into, starts after pump carries out solvent cycle a period of time and stops pump, get the solvent in system
And purged with air, until there was only air in return duct；
（Two）Second of II solvents of QX- cleaning：
（1）System solvent wash cycles：Remove pipeline in manual and robot section spray room, short circuit bypass conduit, to short
It takes over road and carries out leak test, the leak test includes closing volume valve, keeps loine pressure 0.4Mpa or so, uses soap
Water inspection；CP filter cores are replaced, booty is collected in reflux pipe end installation metal filter screen；Clean solvent is squeezed into, starts pump and carries out
Stop pumping after solvent cycle a period of time, finally carry out booty sampling, booty sampling is sampled using sampling paper, then contrast distribution
Standard stops after qualified；
（2）Region pipeline-cleaning：It gets solvent in system and is purged until return duct only has air with air；Cleaning
It is reinstalled after metal filter screen；It squeezes into clean solvent and starts pump circulation for a period of time, cleaning area 2#, booty sampling detection
Until stopping when being less than standard 5, cleaning area 1#, 4#, 3# are then cleaned successively；It finally gets the solvent in system and uses air
It purges until there was only air in straight gyrus flow tube；
（Three）Circuleaner deep-etchings solvent cleans：Circuleaner deep-etching solvents are squeezed into, starts cycle and carries out
Region pipeline-cleaning；
（Four）Third time QX-II solvents clean：QX-II solvents are squeezed into, starts cycle and carries out region pipeline-cleaning, booty takes
Sample detection when being less than standard 4 until stop；
（Five）4th QX-II solvents cleaning：Pcs system part exchanging replaces CP filter cores, in reflux pipe end installation metal
Filter screen collects booty, squeezes into QX-II solvents, starts cycle and carries out region pipeline-cleaning, booty sampling detection is until less than mark
Stop during standard 4；
（Six）Butyl glycol ether cleans：Booty is collected in reflux pipe end installation metal filter screen, butyl glycol ether is squeezed into, opens
Dynamic cycle carries out region pipeline-cleaning, and booty sampling standard stops when being less than standard 3；
（Seven）Pure water cleans：CP filter cores are replaced, squeeze into pure water, starts cycle until being floated without apparent aluminium powder, gets pure water,
Air, which is purged to without apparent water droplet, to be occurred；
（Eight）Hand gun, connection robot pipeline are installed.
Further, solvent recycles 2 days in II solvents of the first time QX- cleaning.
Further, cleaning area 2#, region 1#, 4#, 3# respectively include following steps in the region pipeline-cleaning：
（1）With solvent wash-out valve, controlled valve operates 10 times, and 3 seconds every time, two groups alternately；
（2）Foul samples：Foul sampling result is less than standard 5, stops step（1）；
（3）It is reinstalled after washing metal filter screen；
（4）It is rinsed with air, carried out in three times, carried out 0.5 day every time, the pressure of air is 4 kilograms；
（5）Foul samples：Foul sampling result is less than standard 5, stops step（4）；
（6）It is reinstalled after cleaning metal filter screen.
Further, metal filter screen is during II solvents of the first time QX- cleaning and second of II solvent of QX- clean
120 mesh.
Further, CP filter cores are 5 μ in II solvents of the third time QX- cleaning.
Further, CP filter cores are 1 μ in the butyl glycol ether cleaning.
Further, the mesh number of metal filter screen is during the 4th II solvent of the QX- cleaning and butyl glycol ether clean
320 mesh.
The advantageous effect of technical solution using the present invention is：
1st, the cost that workshop directly more renews the pipeline circulatory system is saved；
2nd, the wasting of resources that crude oil paint circulation system is vacant caused by the circulatory system more renewed is avoided；
3rd, the flexibility that coating toggles between the systems is enhanced, daily production needs is facilitated, avoids simultaneously
Every time toggle the big cost investment that all must more renew pipeline.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：
1 return duct, 2CP filter cores, 3 metal filter screens.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to the direction in attached drawing, and word " interior " and " outer " refer respectively to direction or remote
Direction from particular elements geometric center.
As shown in Figure 1, a kind of paint circulation system cleaning technique, is paint circulation system of a set of oiliness to aqueous transformation
Cleaning technique includes the following steps：
（One）II solvents of first time QX- clean：
（1）It gets coating in system and extrudes the remaining coating in pipeline with air, until return duct 1 only goes out air and is
Only；
（2）II solvents of QX- are squeezed into, starts after pump carries out solvent cycle a period of time and stops pump, get the solvent in system
And purged with air, until there was only air in return duct 1；Solvent cycle 2 in the cleaning of II solvents of first time QX- in the present invention
My god；
（Two）Second of II solvents of QX- cleaning：
（1）System solvent wash cycles：Remove pipeline in manual and robot section spray room, short circuit bypass conduit, to short
It takes over road and carries out leak test, the leak test includes closing volume valve, keeps loine pressure 0.4Mpa or so, uses soap
Water inspection；CP filter cores 2 are replaced, installation metal filter screen 3 collects booty at 1 end of return duct；Squeeze into clean solvent, startup pump into
Row solvent stops pump after cycle a period of time, finally carries out booty sampling, booty sampling is using sampling paper sampling, then to score
Cloth standard stops after qualified；
（2）Region pipeline-cleaning：It gets solvent in system and is purged until return duct 1 only air with air；Clearly
It is reinstalled after washing metal filter screen 3；It squeezes into clean solvent and starts pump circulation for a period of time, cleaning area 2#, booty sampling
Detection stops when less than standard 5, then cleans cleaning area 1#, 4#, 3# successively；The solvent finally got in system is used in combination
Until there was only air in air purging straight gyrus flow tube 1；
Cleaning area 2#, region 1#, 4#, 3# respectively include following steps in the pipeline-cleaning of region in the present invention：
（1）With solvent wash-out valve, controlled valve operates 10 times, and 3 seconds every time, two groups alternately；
（2）Foul samples：Foul sampling result is less than standard 5, stops step（1）；
（3）It is reinstalled after washing metal filter screen 3；
（4）It is rinsed with air, carried out in three times, carried out 0.5 day every time, the pressure of air is 4 kilograms；
（5）Foul samples：Foul sampling result is less than standard 5, stops step（4）；
（6）It is reinstalled after cleaning metal filter screen 3；
（Three）Circuleaner deep-etchings solvent cleans：Circuleaner deep-etching solvents are squeezed into, starts cycle and carries out
Region pipeline-cleaning；The main component of deep-etching solvent is ethyl acetate in the present invention；
（Four）Third time QX-II solvents clean：QX-II solvents are squeezed into, starts cycle and carries out region pipeline-cleaning, booty takes
Sample detection when being less than standard 4 until stop；It is 5 μ by CP filter cores 2 in II solvents of third time QX- cleaning in invention；
（Five）4th QX-II solvents cleaning：Pcs system part exchanging replaces CP filter cores 2, and gold is installed at 1 end of return duct
Belong to filter screen 3 and collect booty, squeeze into QX-II solvents, start cycle and carry out region pipeline-cleaning, booty sampling detection is until be less than
Stop during standard 4；The mesh number of metal filter screen 3 is during the 4th II solvents of QX- cleaning and butyl glycol ether clean in the present invention
320 mesh；
（Six）Butyl glycol ether cleans：At 1 end of return duct, installation metal filter screen 3 collects booty, squeezes into butyl glycol ether,
Start cycle and carry out region pipeline-cleaning, booty sampling standard stops when being less than standard 3, CP filter cores 2 in butyl glycol ether cleaning
For 1 μ；
（Seven）Pure water cleans：CP filter cores 2 are replaced, squeeze into pure water, starts cycle until being floated without apparent aluminium powder, gets pure
Water, air, which is purged to without apparent water droplet, to be occurred；
（Eight）Hand gun, connection robot pipeline are installed.
Metal filter screen 3 is 120 mesh during the cleaning of II solvents of first time QX- and second of II solvent of QX- clean in the present invention.
The above description is merely a specific embodiment, and protection scope of the present invention is not limited thereto, any ripe
Know those skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in should all be contained
Lid is within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined with claim
Subject to.
Claims (7)
1. a kind of paint circulation system cleaning method, it is characterised in that：It is paint circulation system of a set of oiliness to aqueous transformation
Cleaning technique includes the following steps：
（One）II solvents of first time QX- clean：
（1）It gets coating in system and extrudes the remaining coating in pipeline with air, until return duct only goes out air；
（2）II solvents of QX- are squeezed into, starts after pump carries out solvent cycle a period of time and stops pump, the solvent got in system is used in combination
Air purges, until there was only air in return duct；
（Two）Second of II solvents of QX- cleaning：
（1）System solvent wash cycles：Remove pipeline in manual and robot section spray room, short circuit bypass conduit, to nipple
Road carries out leak test, and the leak test includes closing volume valve, keeps loine pressure 0.4Mpa or so, is examined with suds
It looks into；CP filter cores are replaced, booty is collected in reflux pipe end installation metal filter screen；Clean solvent is squeezed into, starts pump and carries out solvent
Stop pumping after recycling a period of time, finally carry out booty sampling, booty sampling is sampled using sampling paper, then contrast distribution mark
Standard stops after qualified；
（2）Region pipeline-cleaning：It gets solvent in system and is purged until return duct only has air with air；Clean metal
It is reinstalled after filter screen；Squeeze into clean solvent and start pump circulation for a period of time, cleaning area 2#, booty sampling detection until
Stop during less than standard 5, then clean cleaning area 1#, 4#, 3# successively；It finally gets the solvent in system and is purged with air
Until there was only air in straight gyrus flow tube；
（Three）Circuleaner deep-etchings solvent cleans：Circuleaner deep-etching solvents are squeezed into, starts cycle and carries out region
Pipeline-cleaning；
（Four）Third time QX-II solvents clean：QX-II solvents are squeezed into, starts cycle and carries out region pipeline-cleaning, booty sampling inspection
It surveys until stopping when being less than standard 4；
（Five）4th QX-II solvents cleaning：Pcs system part exchanging replaces CP filter cores, in reflux pipe end installation metal filtration
Net collects booty, squeezes into QX-II solvents, starts and recycles progress region pipeline-cleaning, booty sampling detection is until when being less than standard 4
Stop；
（Six）Butyl glycol ether cleans：Booty is collected in reflux pipe end installation metal filter screen, squeezes into butyl glycol ether, startup follows
Ring carries out region pipeline-cleaning, and booty sampling standard stops when being less than standard 3；
（Seven）Pure water cleans：CP filter cores are replaced, squeeze into pure water, starts cycle until being floated without apparent aluminium powder, gets pure water, air
Purging occurs to without apparent water droplet；
（Eight）Hand gun, connection robot pipeline are installed.
2. paint circulation system cleaning method according to claim 1, it is characterised in that：II solvents of first time QX-
Solvent recycles 2 days in cleaning.
3. paint circulation system cleaning method according to claim 1, it is characterised in that：It is clear in the region pipeline-cleaning
Wash region 2#, region 1#, 4#, 3# respectively include following steps：
（1）With solvent wash-out valve, controlled valve operates 10 times, and 3 seconds every time, two groups alternately；
（2）Foul samples：Foul sampling result is less than standard 5, stops step（1）；
（3）It is reinstalled after washing metal filter screen；
（4）It is rinsed with air, carried out in three times, carried out 0.5 day every time, the pressure of air is 4 kilograms；
（5）Foul samples：Foul sampling result is less than standard 5, stops step（4）；
（6）It is reinstalled after cleaning metal filter screen.
4. according to claim 1 the paint circulation system cleaning method, it is characterised in that：The first time QX- II is molten
It is 120 mesh that agent, which is cleaned with metal filter screen in second of II solvents of QX- cleaning,.
5. paint circulation system cleaning method according to claim 1, it is characterised in that：II solvents of third time QX-
CP filter cores are 5 μ in cleaning.
6. paint circulation system cleaning method according to claim 1, it is characterised in that：In the butyl glycol ether cleaning
CP filter cores are 1 μ.
7. paint circulation system cleaning method according to claim 1, it is characterised in that：4th II solvent of QX-
The mesh number of metal filter screen is 320 mesh in cleaning and butyl glycol ether cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007318.3A CN105537040B (en) | 2015-12-30 | 2015-12-30 | Paint circulation system cleaning technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007318.3A CN105537040B (en) | 2015-12-30 | 2015-12-30 | Paint circulation system cleaning technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105537040A CN105537040A (en) | 2016-05-04 |
| CN105537040B true CN105537040B (en) | 2018-06-26 |
Family
ID=55816874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511007318.3A Expired - Fee Related CN105537040B (en) | 2015-12-30 | 2015-12-30 | Paint circulation system cleaning technique |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115415070B (en) * | 2022-07-28 | 2023-12-19 | 东风柳州汽车有限公司 | Atomizer replacement method, device, equipment and storage medium for spraying system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5836321A (en) * | 1997-04-07 | 1998-11-17 | Chrysler Corporation | Process of recycling a water laden solvent which was used to purge a point supply line of a paint sprayer |
| CN1909975A (en) * | 2004-02-09 | 2007-02-07 | 凸版印刷株式会社 | Coating machine and method for cleaning coating machine |
| CN102069081A (en) * | 2010-12-17 | 2011-05-25 | 广汽本田汽车有限公司 | Flushing and detecting system of triple valve, solvent valve and spray gun of automata |
| CN202983961U (en) * | 2012-12-01 | 2013-06-12 | 重庆希普瑞机电工程有限公司 | Rotary cup cleaning machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6450182B2 (en) * | 2000-04-12 | 2002-09-17 | Versar, Inc. | Methods, compositions and apparatus for cleaning pipes |
-
2015
- 2015-12-30 CN CN201511007318.3A patent/CN105537040B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5836321A (en) * | 1997-04-07 | 1998-11-17 | Chrysler Corporation | Process of recycling a water laden solvent which was used to purge a point supply line of a paint sprayer |
| CN1909975A (en) * | 2004-02-09 | 2007-02-07 | 凸版印刷株式会社 | Coating machine and method for cleaning coating machine |
| CN102069081A (en) * | 2010-12-17 | 2011-05-25 | 广汽本田汽车有限公司 | Flushing and detecting system of triple valve, solvent valve and spray gun of automata |
| CN202983961U (en) * | 2012-12-01 | 2013-06-12 | 重庆希普瑞机电工程有限公司 | Rotary cup cleaning machine |
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|---|---|
| CN105537040A (en) | 2016-05-04 |
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Granted publication date: 20180626 Termination date: 20211230 |
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