CN113774464B - Electrophoretic paint recovery device - Google Patents
Electrophoretic paint recovery device Download PDFInfo
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- CN113774464B CN113774464B CN202111070926.4A CN202111070926A CN113774464B CN 113774464 B CN113774464 B CN 113774464B CN 202111070926 A CN202111070926 A CN 202111070926A CN 113774464 B CN113774464 B CN 113774464B
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- Prior art keywords
- tank
- ultrafiltrate
- communicated
- electric pump
- electrophoresis
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention relates to the technical field of automobile electrophoretic coating, in particular to an electrophoretic paint recovery 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 flushing a part of tank liquor in the ultrafiltrate first tank and a part of tank liquor in the ultrafiltrate first tank; the second electric pump is used for spraying and flushing the tank liquor in the second ultrafiltrate tank; the ultrafiltrate first tank and the ultrafiltrate second tank are communicated through a pipeline, and tank liquor in the ultrafiltrate second tank can enter the ultrafiltrate first tank under the action of liquid level difference; the electrophoresis tank and the ultrafiltrate two tanks are communicated with an ultrafiltration system through pipelines; and a flowmeter is arranged on a pipeline of the electric pump I, which is communicated with the electrophoresis tank, and a pipeline of the ultrafiltrate two-tank, which is communicated with the ultrafiltration system. The device can maintain the 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 recovery 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 be used for coating 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 existing liquid level control method in the system is to automatically control the liquid level in the ultrafiltration liquid tank after electrophoresis through an electric valve and a floating ball liquid level meter, when the liquid level in the ultrafiltration liquid tank is at an upper liquid level, the electric valve is automatically opened, the tank liquid of the ultrafiltration liquid tank is transferred into the electrophoresis tank through a circulating pump, and when the liquid level in the ultrafiltration liquid tank is at a lower liquid level, the electric valve of the liquid level is automatically closed.
However, in actual work, the problems that the electrophoretic paint cannot be recovered normally, the electrophoretic tank liquid is unstable, and the liquid levels of the ultrafiltrate first tank and the ultrafiltrate second 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 new electrophoretic paint recycling apparatus for solving the above problems.
The invention realizes the above purpose through the following technical scheme:
the invention provides an electrophoretic paint recovery device which comprises an electrophoresis tank, an ultrafiltrate tank I and an ultrafiltrate tank II which are arranged side by side, and the electrophoretic paint recovery device is characterized by also comprising an electric pump I and an electric pump II, wherein the electric pump I is used for spraying and flushing a part of tank liquor in the ultrafiltrate tank I by using a self spraying device, and the other part of tank liquor is used for spraying and flushing the electrophoresis tank spraying device; the second electric pump is used for using the tank liquor in the second ultrafiltrate tank for spraying and flushing of the self-spraying device; the ultrafiltrate first tank and the ultrafiltrate second tank are communicated through a pipeline, and tank liquor in the ultrafiltrate second tank can enter the ultrafiltrate first tank under the action of liquid level difference; the electrophoresis tank and the ultrafiltrate two tanks are communicated with an ultrafiltration system through pipelines; and a flowmeter is arranged on a pipeline of the electric pump I, which is communicated with the electrophoresis tank, and a pipeline of the ultrafiltrate two-tank, which is communicated with the ultrafiltration system.
Specifically, one end of the first electric pump is communicated with the tank body of the ultrafiltrate first tank, and the other end of the first electric pump is respectively communicated with the spraying devices on the ultrafiltrate first tank and 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 the ultrafiltration system through a pipeline, and the electric pump I is communicated with the spraying device.
Specifically, one end of the second electric pump is communicated with the tank body of the second ultrafiltrate tank, and the other end of the second electric pump is communicated with the spraying device on the second ultrafiltrate tank.
Preferably, the filter is arranged on the pipeline communicated with the electric pump I and the electric pump II.
According to the electrophoretic paint recovery device provided by the invention, the first ultrafiltrate tank and the second ultrafiltrate tank are arranged in a mode of maintaining liquid level balance through liquid level difference, meanwhile, the first ultrafiltrate tank is communicated with the spraying device on the electrophoresis auxiliary tank, and the liquid level balance in the spraying operation process is realized through the two flow meters, so that a liquid level ball valve and an electric valve are not needed, equipment faults are reduced, and long-term and efficient operation of spraying operation can be effectively maintained.
Drawings
Fig. 1 is a schematic structural diagram of an electrophoretic paint recovery device according to an embodiment of the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
1. electrophoresis tank, 2 electrophoresis auxiliary tank, 3 ultrafiltrate first tank, 4 ultrafiltrate second tank, 5 pipeline first, 6 pipeline second, 7 electric pump first, 8 electric pump second, 9 pipeline third, 10 flowmeter.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1, the electrophoretic paint recovery device comprises an electrophoresis tank, an ultrafiltrate first tank 3, an ultrafiltrate second tank 4, an electric pump 7 and an electric pump second 8 which are arranged side by side, wherein the electric pump 7 is used for spraying and flushing a part of tank liquor in the ultrafiltrate first tank 3 by a self spraying device and a part of tank liquor is used for spraying and flushing the 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 self-spraying device; the tank liquor in the ultrafiltrate first tank 3 and the ultrafiltrate second tank 4 can enter the ultrafiltrate first tank 3 under the action of the liquid level difference, so that the balance of the tank liquor in the ultrafiltrate first tank 3 and the ultrafiltrate second tank 4 is maintained.
The electrophoresis tank and the ultrafiltrate two tanks 4 are communicated with an ultrafiltration system through pipelines, and specifically: the ultrafiltrate second 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 ultrafiltrate second tank 4.
The pipeline of the electric pump I7 communicated with the electrophoresis tank and the pipeline of the ultrafiltrate II tank 4 communicated with the ultrafiltration system are respectively provided with a flowmeter 10 for maintaining the balance of the 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 I tank 3, and the other end is respectively communicated with the ultrafiltrate I tank 3 and the spraying device on the electrophoresis tank through a tee joint.
In one embodiment of the invention, the electrophoresis tank comprises a main electrophoresis tank 1 and an auxiliary electrophoresis tank 2 which are communicated with each other, and a spraying device is arranged above the auxiliary electrophoresis 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 is communicated with a spraying device on the second ultrafiltrate tank 4.
And the pipelines communicated with the electric pump I7 and the electric pump II 8 are respectively provided with a filter 11.
The principle of the recovery device is as follows:
in the device, ultrafiltrate that ultrafiltration system produced accessible pipeline 5 and pipeline 6 respectively enter into ultrafiltrate second groove 4 and electrophoresis main tank 1, spray set in ultrafiltrate second groove 4 top is through the work of washing of electric pump second 8 extraction own cell liquor, spray set in ultrafiltrate first groove 3 top is through electric pump first 7 extraction own cell liquor to wash the work, electric pump first 7 still communicates with the spray set on the electrophoresis auxiliary tank 2 through a tee bend simultaneously, keep the liquid level balance between the two through the liquid level difference between ultrafiltrate first groove 3 and the ultrafiltrate second groove 4.
When the electrophoresis line is produced, ultrafiltrate generated by the ultrafiltration system enters an ultrafiltrate two-tank 4 through a pipeline 5 and can enter an ultrafiltrate one-tank 3 under the action of liquid level difference, one part of tank liquid in the ultrafiltrate one-tank 3 is used for flushing a spraying device of the ultrafiltrate one-tank 3, and the other part of tank liquid is used for flushing a spraying device on an electrophoresis auxiliary tank 2, and the flow rates of a flowmeter 10 on a communicating pipeline of an electric pump 7 and the electrophoresis auxiliary tank 2 and a flow rate of a flowmeter 10 on a communicating pipeline of the ultrafiltrate two-tank 4 and the ultrafiltration system are kept consistent, so that the liquid level balance of the ultrafiltrate one-tank 3, the ultrafiltrate two-tank 4 and the electrophoresis tank is maintained; when the electrophoresis line is not produced, ultrafiltrate generated by the ultrafiltration system directly enters the electrophoresis main tank 1 through the pipeline 6.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. An electrophoretic paint recovery device comprises an electrophoresis tank, a ultrafiltrate first tank (3) and a ultrafiltrate second tank (4) which are arranged side by side, and is characterized by also comprising an electric pump I (7) and an electric pump II (8),
the first electric pump (7) is used for spraying and flushing a part of bath liquid in the first ultrafiltrate bath (3) by a self spraying device and a part of bath liquid by an electrophoresis bath 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 self-spraying device;
the ultrafiltrate first tank (3) and the ultrafiltrate second tank (4) are communicated 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 two tanks (4) are communicated with an ultrafiltration system through pipelines;
and a flowmeter (10) is arranged on a pipeline of the electric pump I (7) communicated with the electrophoresis tank and a pipeline of the ultrafiltrate II tank (4) communicated with the ultrafiltration system.
2. The electrophoretic paint recovery device according to claim 1, wherein one end of the electric pump I (7) is communicated with the tank body of the ultrafiltrate tank I (3), and the other end is respectively communicated with the ultrafiltrate tank I (3) and a spraying device on the electrophoretic tank through a tee joint.
3. The electrophoretic paint recovery device according to claim 2, wherein the electrophoresis tank comprises a main electrophoresis tank (1) and an auxiliary electrophoresis tank (2) which are communicated with each other, and the spraying device is arranged above the auxiliary electrophoresis tank (2);
the electrophoresis main tank (1) is communicated with the ultrafiltration system through a pipeline (6), and the electric pump I (7) is communicated with the spraying device.
4. The electrophoretic paint recovery 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 of the second electric pump is communicated with a spraying device on the second ultrafiltrate tank (4).
5. The device for recovering electrophoretic paint according to claim 1, wherein the filter (11) is arranged on the pipeline communicated with the electric pump one (7) and the electric pump two (8).
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 CN113774464A (en) | 2021-12-10 |
| CN113774464B true 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) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917130B (en) * | 2017-03-07 | 2018-07-13 | 安徽江淮汽车集团股份有限公司 | A kind of recycling of electrophoretic paint 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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2021
- 2021-09-13 CN CN202111070926.4A patent/CN113774464B/en active Active
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| CN113774464A (en) | 2021-12-10 |
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