CN113774464A - Electrophoresis lacquer recovery unit - Google Patents
Electrophoresis lacquer recovery unit Download PDFInfo
- Publication number
- CN113774464A CN113774464A CN202111070926.4A CN202111070926A CN113774464A CN 113774464 A CN113774464 A CN 113774464A CN 202111070926 A CN202111070926 A CN 202111070926A CN 113774464 A CN113774464 A CN 113774464A
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- CN
- China
- Prior art keywords
- tank
- ultrafiltrate
- electric pump
- electrophoresis
- communicated
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- 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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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
- C25D13/24—Regeneration of process liquids
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of automobile electrophoretic coating, in particular to an electrophoretic paint recycling device. The device comprises an electrophoresis tank, an ultrafiltrate first tank, an ultrafiltrate second tank, an electric pump I and an electric pump II which are arranged side by side, wherein the electric pump I is used for spraying and washing one part of tank liquid in the ultrafiltrate first tank and one part of tank liquid in the ultrafiltrate second tank; the electric pump II is used for using tank liquor in the ultrafiltrate tank II for self spray washing; the ultrafiltrate first tank and the ultrafiltrate second tank are communicated through a pipeline, and tank liquid in the ultrafiltrate second tank can enter the ultrafiltrate first tank under the action of a liquid level difference; the electrophoresis tank and the ultrafiltrate tank are both communicated with an ultrafiltration system through pipelines; and flowmeters are arranged on a pipeline for communicating the first electric pump with the electrophoresis tank and a pipeline for communicating the second ultrafiltrate tank with the ultrafiltration system. The device can maintain liquid level balance without adopting a liquid level ball valve and an electric valve, and can effectively reduce equipment faults.
Description
Technical Field
The invention relates to the technical field of automobile electrophoretic coating, in particular to an electrophoretic paint recycling device.
Background
In the automobile production process, the electrophoretic coating is an important part in the coating process, has the advantages of high construction speed, automatic production, safety, environmental protection, good paint film quality and the like, can coat automobile bodies, frames and the like with complex shapes, provides good corrosion resistance for the whole automobile, and ensures the service life of the automobile.
The conventional liquid level control method in the system is to automatically control the liquid level in the first ultrafiltrate tank after electrophoresis through an electric valve and a floating ball liquid level meter, the electric valve is automatically opened when the liquid level in the first ultrafiltrate tank is at an upper liquid level, the tank liquid is transferred into the electrophoresis tank through a circulating pump, and the electric valve of the liquid level is automatically closed when the liquid level in the first ultrafiltrate tank is at a lower liquid level.
However, in actual work, problems that the electrophoretic paint cannot be normally recycled, the electrophoresis tank liquid is unstable, and the liquid levels of the first ultrafiltrate tank and the second ultrafiltrate tank are unbalanced are often caused because the electric valve and the liquid level control meter are easy to break down.
Disclosure of Invention
Based on the above description, the present invention provides a novel electrophoretic paint recycling apparatus for solving the above problems.
The invention realizes the purpose through the following technical scheme:
the invention provides an electrophoretic paint recovery device, which comprises an electrophoresis tank, a first ultrafiltrate tank and a second ultrafiltrate tank which are arranged side by side, and is characterized by also comprising a first electric pump and a second electric pump, wherein the first electric pump is used for using one part of tank liquid in the first ultrafiltrate tank for spraying and washing of a self spraying device, and the other part of tank liquid is used for spraying and washing of a spraying device of the electrophoresis tank; the electric pump II is used for using tank liquor in the ultrafiltrate tank II for spraying and flushing of the spraying device per se; the ultrafiltrate first tank and the ultrafiltrate second tank are communicated through a pipeline, and tank liquid in the ultrafiltrate second tank can enter the ultrafiltrate first tank under the action of a liquid level difference; the electrophoresis tank and the ultrafiltrate tank are both communicated with an ultrafiltration system through pipelines; and flowmeters are arranged on a pipeline for communicating the first electric pump with the electrophoresis tank and a pipeline for communicating the second ultrafiltrate tank with the ultrafiltration system.
Specifically, one end of the electric pump I is communicated with the tank body of the ultrafiltrate tank I, and the other end of the electric pump I is respectively communicated with the ultrafiltrate tank I and the spraying devices on the electrophoresis tank through a tee joint.
Preferably, the electrophoresis tank comprises an electrophoresis main tank and an electrophoresis auxiliary tank which are communicated with each other, and the spraying device is arranged above the electrophoresis auxiliary tank; the electrophoresis main tank is communicated with an ultrafiltration system through a pipeline, and the first electric pump is communicated with the spraying device.
Specifically, one end of the second electric pump is communicated with a tank body of the second ultrafiltrate tank, and the other end of the second electric pump is communicated with a spraying device on the second ultrafiltrate tank.
Preferably, the pipelines communicated with the first electric pump and the second electric pump are both provided with filters.
According to the electrophoretic paint recovery device provided by the invention, the ultrafiltrate first tank and the ultrafiltrate second tank are set in a mode of maintaining liquid level balance through a liquid level difference, meanwhile, the ultrafiltrate first tank is communicated with the spraying device on the electrophoresis auxiliary tank, and liquid level balance in the spraying operation process is realized through two flow meters, a liquid level ball valve and an electric valve are not needed, equipment faults are reduced, and thus long-term and efficient operation of spraying operation can be efficiently maintained.
Drawings
FIG. 1 is a schematic structural diagram of an electrophoretic paint recycling apparatus provided in an embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. electrophoresis tank, 2 electrophoresis auxiliary tank, 3 ultrafiltrate I tank, 4 ultrafiltrate II tank, 5 pipeline I, 6 pipeline II, 7 electric pump I, 8 electric pump II, 9 pipeline III and 10 flowmeter.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1, the electrophoretic paint recycling device comprises an electrophoresis tank, a first ultrafiltrate tank 3, a second ultrafiltrate tank 4, a first electric pump 7 and a second electric pump 8 which are arranged side by side, wherein the first electric pump 7 is used for spraying and washing a part of tank liquid in the first ultrafiltrate tank 3 by a self spraying device, and a part of tank liquid is used for spraying and washing the electrophoresis tank spraying device; the electric pump II 8 is used for using the tank liquor in the ultrafiltrate second tank 4 for spraying and flushing of the spraying device; the tank liquor in the first ultrafiltrate tank 3 and the second ultrafiltrate tank 4 can enter the first ultrafiltrate tank 3 under the action of the liquid level difference, so that the balance of the tank liquor in the first ultrafiltrate tank 3 and the second ultrafiltrate tank 4 is maintained.
The electrophoresis tank and the ultrafiltrate tank 4 are communicated with an ultrafiltration system through pipelines, and specifically comprise: the second ultrafiltrate tank 4 is communicated with an ultrafiltration system through a pipeline 5, the electrophoresis tank is communicated with the ultrafiltration system through a pipeline 6, and the ultrafiltration system directly supplies fresh ultrafiltrate to the electrophoresis tank and the second ultrafiltrate tank 4.
And flow meters 10 are designed on pipelines of the electric pump I7 communicated with the electrophoresis tank and pipelines of the ultrafiltrate second tank 4 communicated with the ultrafiltration system for maintaining the balance of tank liquid in each tank in the whole coating operation process.
Specifically, one end of the electric pump I7 is communicated with the tank body on the ultrafiltrate first tank 3, and the other end of the electric pump I is respectively communicated with the ultrafiltrate first tank 3 and the spraying device on the electrophoresis tank through a tee joint.
In one embodiment of the invention, the electrophoresis tank comprises an electrophoresis main tank 1 and an electrophoresis auxiliary tank 2 which are communicated with each other, and a spraying device is arranged above the electrophoresis auxiliary tank 2; the electrophoresis main tank 1 is communicated with an ultrafiltration system through a pipeline 6, and the electric pump I7 is communicated with a spraying device.
One end of the second electric pump 8 is communicated with the tank body of the second ultrafiltrate tank 4, and the other end of the second electric pump is communicated with the spraying device on the second ultrafiltrate tank 4.
And the pipelines communicated with the first electric pump 7 and the second electric pump 8 are provided with filters 11.
The principle of the recovery device is as follows:
in the device, ultrafiltrate that ultrafiltration system produced respectively accessible pipeline 5 and pipeline 6 enter into two grooves 4 of ultrafiltrate and electrophoresis owner groove 1, the spray set of two grooves 4 tops of ultrafiltrate extracts the groove liquid of self through two 8 extraction electric pumps and washes the work, the spray set of one groove 3 tops of ultrafiltrate extracts the groove liquid of self through one 7 extraction electric pumps and washes the work, one 7 of electric pumps still communicates with the spray set on the vice groove 2 of electrophoresis simultaneously through a tee bend, keep the liquid level balance between the two through the liquid level difference between ultrafiltrate groove 3 and the two grooves 4 of ultrafiltrate.
When the electrophoresis line is produced, ultrafiltrate generated by the ultrafiltration system enters the ultrafiltrate second tank 4 through the pipeline 5 and can enter the ultrafiltrate first tank 3 under the action of a liquid level difference, one part of tank liquid in the ultrafiltrate first tank 3 is used for flushing the spraying device of the ultrafiltrate first tank 3, one part of tank liquid is used for flushing the spraying device on the electrophoresis auxiliary tank 2, the flow of the flow meter 10 on a pipeline communicated with the electrophoresis auxiliary tank 2 and a pipeline communicated with the ultrafiltrate second tank 4 and the ultrafiltration system are kept consistent, and therefore the liquid level balance of the ultrafiltrate first tank 3, the ultrafiltrate second tank 4 and the electrophoresis tank is maintained; when the electrophoresis line is not in production, ultrafiltrate generated by the ultrafiltration system directly enters the electrophoresis main tank 1 through the pipeline 6.
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 that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. An electrophoretic paint recovery device comprises an electrophoresis tank, a first ultrafiltrate tank (3) and a second ultrafiltrate tank (4) which are arranged side by side, and is characterized by further comprising a first electric pump (7) and a second electric pump (8),
the electric pump I (7) is used for using one part of tank liquid in the ultrafiltrate tank I (3) for spraying and washing of a self spraying device and using one part of tank liquid for spraying and washing of an electrophoresis tank spraying device;
the second electric pump (8) is used for using the tank liquor in the second ultrafiltrate tank (4) for spraying and flushing of the spraying device;
the ultrafiltrate first tank (3) is communicated with the ultrafiltrate second tank (4) through a pipeline, and tank liquid in the ultrafiltrate second tank (4) can enter the ultrafiltrate first tank (3) under the action of liquid level difference;
the electrophoresis tank and the ultrafiltrate second tank (4) are both communicated with an ultrafiltration system through pipelines;
and flowmeters (10) are arranged on a pipeline for communicating the electric pump I (7) with the electrophoresis tank and a pipeline for communicating the ultrafiltrate II tank (4) with the ultrafiltration system.
2. The electrophoretic paint recycling device according to claim 1, wherein one end of the electric pump I (7) is communicated with the tank body of the ultrafiltrate first tank (3), and the other end is respectively communicated with the ultrafiltrate first tank (3) and the spraying device on the electrophoresis tank through a tee joint.
3. Electrophoretic paint recycling device according to claim 2, characterized in that the electrophoretic bath comprises a main bath (1) and a sub bath (2) which are in communication with each other, the spraying device being arranged above the sub bath (2);
the electrophoresis main tank (1) is communicated with an ultrafiltration system through a pipeline (6), and the electric pump I (7) is communicated with a spraying device.
4. The electrophoretic paint recycling device according to claim 1, wherein one end of the second electric pump (8) is communicated with the tank body of the second ultrafiltrate tank (4), and the other end is communicated with the spraying device on the second ultrafiltrate tank (4).
5. Electrophoretic paint recycling device according to claim 1, characterized in that the conduits communicating with the first (7) and second (8) electric pumps are provided with filters (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111070926.4A CN113774464B (en) | 2021-09-13 | 2021-09-13 | Electrophoretic paint recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111070926.4A CN113774464B (en) | 2021-09-13 | 2021-09-13 | Electrophoretic paint recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113774464A true CN113774464A (en) | 2021-12-10 |
| CN113774464B CN113774464B (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111070926.4A Active CN113774464B (en) | 2021-09-13 | 2021-09-13 | Electrophoretic paint recovery device |
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| Country | Link |
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| CN (1) | CN113774464B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917130A (en) * | 2017-03-07 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | A kind of electrophoretic paint is reclaimed and spray washing system |
| CN110129861A (en) * | 2019-06-26 | 2019-08-16 | 吉安特膜分离设备(长春)有限公司 | Bi-membrane method electrophoretic painting cleans Sewage treatment technology |
| CN210030931U (en) * | 2019-03-15 | 2020-02-07 | 上汽大通汽车有限公司 | Recovery unit of car body electrophoresis application back pure water washing solid |
-
2021
- 2021-09-13 CN CN202111070926.4A patent/CN113774464B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917130A (en) * | 2017-03-07 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | A kind of electrophoretic paint is reclaimed and spray washing system |
| CN210030931U (en) * | 2019-03-15 | 2020-02-07 | 上汽大通汽车有限公司 | Recovery unit of car body electrophoresis application back pure water washing solid |
| CN110129861A (en) * | 2019-06-26 | 2019-08-16 | 吉安特膜分离设备(长春)有限公司 | Bi-membrane method electrophoretic painting cleans Sewage treatment technology |
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| Publication number | Publication date |
|---|---|
| CN113774464B (en) | 2023-05-23 |
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