CN212915189U - Solvent-based paint cleaning waste solvent recovery device - Google Patents
Solvent-based paint cleaning waste solvent recovery device Download PDFInfo
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- CN212915189U CN212915189U CN202021326001.2U CN202021326001U CN212915189U CN 212915189 U CN212915189 U CN 212915189U CN 202021326001 U CN202021326001 U CN 202021326001U CN 212915189 U CN212915189 U CN 212915189U
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Abstract
The utility model belongs to the field of paint production and application, in particular to a solvent type paint cleaning waste solvent recovery device, which comprises a raw material tank, it is characterized in that the raw material tank is connected with a precision filter through a first pipeline, one side of the compact filter far away from the raw material tank is provided with an ultrafiltration liquid tank, the ultrafiltration liquid tank is connected with the raw material tank through a second pipeline, the ultrafiltration liquid tank is connected with the input end of a circulating pump through a third pipeline, the output of circulating pump has the clear solution jar through fourth pipe connection, through fifth pipe connection between ultrafiltration fluid jar and the clear solution jar, the utility model discloses a pottery surpasses to consider to carry out filtration treatment, gets rid of solid foreign matter, adopts solvent-resistant receive filter membrane to carry out liquid concentration to the molecular substance that is higher than 200 molecular weight and handles, draws the small molecule solvent to reach and draw valuable cleaning solvent composition from the discarded object.
Description
Technical Field
The utility model relates to a coating production technical field especially relates to solvent type coating washs useless solvent recovery unit.
Background
The organic solvent coating is a traditional coating material, is widely applied in many fields at present due to special performance, and cannot be replaced by environment-friendly water-based coating or powder coating. The coating needs to be cleaned by using an organic solvent in the construction process, such as spraying equipment, a paint conveying system and the like, a large amount of organic waste solvent is generated in the process, and the components of the organic waste solvent are mainly toxic substances such as dimethylbenzene and the like, so that the organic waste solvent cannot be discharged, and not only is the volatile matter cause air pollution, but also the cost of the solvent is high, so that the natural environment is polluted, and the cost burden is caused to enterprises;
in the domestic automotive industry, the annual production of organic waste solvents is not totally counted at 4 ten thousand tons. How to treat the organic waste solvent of the coating and adopt a clean production mode becomes a main subject facing the coating industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a solvent type coating cleaning waste solvent recovery device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
solvent-based coating washs useless solvent recovery unit, including the head tank, its characterized in that, the head tank has precision filter through first pipe connection, one side that the head tank was kept away from to precision filter is equipped with the ultrafiltration fluid reservoir, pass through the second pipe connection between ultrafiltration fluid reservoir and the head tank, the ultrafiltration fluid reservoir has the input of circulating pump through the third pipe connection, the output of circulating pump has the clear solution jar through the fourth pipe connection, pass through fifth pipe connection between ultrafiltration fluid reservoir and the clear solution jar.
Preferably, install the feed pump on the first pipeline, the input of feed pump and the first pipeline intercommunication on the head tank, the output of feed pump and the first pipeline intercommunication on the precision filter.
Preferably, one end of the first pipeline close to the precision filter is provided with a high-voltage switch.
Preferably, two ceramic ultrafiltration membranes are sequentially installed on the second pipeline, and a temperature sensor, an electromagnetic flowmeter and a pressure gauge which are installed on the second pipeline are arranged between the ceramic ultrafiltration membranes and the raw material tank.
Preferably, a flow meter arranged on the second pipeline is arranged between the ceramic ultrafiltration membrane and the ultrafiltration liquid tank.
Preferably, a pressure sensor is mounted on the fourth pipeline.
Preferably, install the nanofiltration membrane on the fifth pipeline, be equipped with temperature sensor, flowmeter and the manometer of installing on the fifth pipeline between nanofiltration membrane and the ultrafiltration fluid reservoir in proper order, be equipped with the flowmeter of installing on the fifth pipeline between nanofiltration membrane and the clear solution jar.
The utility model discloses in, solvent type coating washs useless solvent recovery unit, solvent type coating washs useless solvent principal ingredients and is macromolecule resin, pigment, organic solvent material, this technique is that the pollution source resin in the useless solvent, pigment is got rid of for the first time through the ultrafiltration, according to organic solvent's molecular structure, the nanofiltration membrane that molecular weight selection suits with it carries out the fine filtration and handles, thereby obtain clear organic solvent, except that organic coating useless solvent can be handled, organic solvent class liquid material such as petrochemical products also is fit for, organic liquid product such as gasoline, diesel oil, kerosene, this kind of material probably has material such as colloid, membrane filtration through this equipment handles, can get rid of and reach product quality requirement, in addition, ether, alcohols, esters, aromatic class organic solvent all can carry out filtration through this device, the purpose of concentration or purification is achieved;
the utility model discloses a pottery surpasses to consider carries out filtration treatment, gets rid of solid foreign matter, adopts and adopts solvent-resistant receive filter membrane to carry out liquid concentration to the molecular material that is higher than 200 molecular weight and handles, draws the micromolecular solvent to reach and draw valuable cleaner composition from the discarded object.
Drawings
Fig. 1 is a schematic structural view of a solvent type coating cleaning waste solvent recovery device provided by the utility model.
In the figure: 1 raw material tank, 2 precision filter, 3 ultrafiltration liquid tank, 4 circulating pump, 5 clear liquid tank, 6 feed pump, 7 high-pressure switch, 8 ceramic ultrafiltration membranes, 9 temperature sensor, 10 electromagnetic flowmeter, 11 manometer, 12 flowmeter, 13 pressure sensor, 14 nanofiltration membrane.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, solvent-based coating washs useless solvent recovery unit, including head tank 1, head tank 1 has precision filter 2 through first pipe connection, one side that head tank 1 was kept away from to precision filter 2 is equipped with ultrafiltration fluid reservoir 3, through the second pipe connection between ultrafiltration fluid reservoir 3 and the head tank 1, ultrafiltration fluid reservoir 3 has circulating pump 4's input through the third pipe connection, there is clear solution jar 5 through the fourth pipe connection in the output of circulating pump 4, through the fifth pipe connection between ultrafiltration fluid reservoir 3 and the clear solution jar 5.
The utility model discloses in, install feed pump 6 on the first pipeline, the input of feed pump 6 and the first pipeline intercommunication on the head tank 1, the output of feed pump 6 and the first pipeline intercommunication on the precision filter 2.
The utility model discloses in, one of first pipeline is close to precision filter 2 serves and installs high tension switchgear 7.
The utility model discloses in, install two pottery milipore filter 8 on the second pipeline in proper order, be equipped with temperature sensor 9, electromagnetic flowmeter 10 and manometer 11 of installing on the second pipeline between pottery milipore filter 8 and the head tank 1.
The utility model discloses in, be equipped with between ceramic milipore filter 8 and the milipore filter fluid reservoir 3 and install flowmeter 12 on the second pipeline.
The utility model discloses in, install pressure sensor 13 on the fourth pipeline.
The utility model discloses in, install on the fifth pipeline and receive filter membrane 14, receive and be equipped with temperature sensor 9, electromagnetic flowmeter 10 and manometer 11 installed on the fifth pipeline in proper order between filter membrane 14 and the ultrafiltration fluid reservoir 3, receive and be equipped with flowmeter 12 installed on the fifth pipeline between filter membrane 14 and the clear solution jar 5.
The utility model discloses in, normal cleaner is direct purchase from the coating producer, constitute by organic solvent, and our product raw and other materials are drawn out from the useless washing waste solvent of abandonment, the material cost is the negative number, retrieve valuable organic solvent composition from the discarded object, get rid of macromolecular materials such as solute promptly from the solution, extract solvent composition, through the adjustment of prescription once more, realize the function of cleaning solvent once more, in whole processing procedure, use the bag-type to filter the separation, ultrafiltration and the physical processing of taking care of the design of a.
The high-grade paint cleaning agent is adopted in the automobile coating industry, the raw material value is high, the resin dissolution and cleaning effects are good, the components of the solvent cleaning agent which is extracted and reused again are not changed fundamentally, and the original high-grade characteristics are still maintained.
It is a common practice in the known art to subject organic waste solvents to a rectification treatment in which the solvent components are extracted by a difference in boiling point at a low pressure. A large amount of heating energy is needed, and vacuum low-pressure treatment is performed. High safety requirement, need of professional organization for safety assessment, complex rectification equipment and high cost
Aiming at the sediment of the waste paint liquid, a suspension separator is used for deslagging, and solid residues are removed; performing ultrafiltration treatment by using a ceramic membrane, and removing a pollution source, resin and pigment in the wastewater through repeated concentration; concentrating and extracting by using a nanofiltration membrane, and concentrating the crude ultrafiltrate. Separating solvent molecules from polymer components in the liquid.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. Solvent-based coating washs useless solvent recovery unit, including head tank (1), its characterized in that, head tank (1) has precision filter (2) through first pipe connection, one side that head tank (1) was kept away from in precision filter (2) is equipped with ultrafiltration fluid reservoir (3), pass through second pipe connection between ultrafiltration fluid reservoir (3) and head tank (1), there is the input of circulating pump (4) ultrafiltration fluid reservoir (3) through third pipe connection, there is clear liquid jar (5) through fourth pipe connection in the output of circulating pump (4), pass through fifth pipe connection between ultrafiltration fluid reservoir (3) and clear liquid jar (5).
2. A solvent-based paint cleaning waste solvent recovery device according to claim 1, wherein the first conduit is provided with a feed pump (6), the input end of the feed pump (6) is communicated with the first conduit of the raw material tank (1), and the output end of the feed pump (6) is communicated with the first conduit of the fine filter (2).
3. The solvent type paint cleaning waste solvent recovery device according to claim 1, wherein a high-voltage switch (7) is mounted on one end of the first pipe close to the precision filter (2).
4. The solvent-based paint cleaning waste solvent recovery device according to claim 1, wherein two ceramic ultrafiltration membranes (8) are sequentially mounted on the second pipeline, and a temperature sensor (9), an electromagnetic flow meter (10) and a pressure gauge (11) are mounted on the second pipeline between the ceramic ultrafiltration membranes (8) and the raw material tank (1).
5. The solvent type paint cleaning waste solvent recovery device according to claim 4, wherein a flow meter (12) installed on the second pipeline is arranged between the ceramic ultrafiltration membrane (8) and the ultrafiltration liquid tank (3).
6. The solvent type paint cleaning waste solvent recovery device according to claim 1, wherein a pressure sensor (13) is attached to the fourth pipe.
7. The solvent-based paint cleaning waste solvent recovery device according to claim 1, wherein a nanofiltration membrane (14) is installed on the fifth pipeline, a temperature sensor (9), an electromagnetic flowmeter (10) and a pressure gauge (11) are sequentially arranged between the nanofiltration membrane (14) and the ultrafiltration liquid tank (3), and a flowmeter (12) is arranged on the fifth pipeline between the nanofiltration membrane (14) and the clear liquid tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326001.2U CN212915189U (en) | 2020-07-08 | 2020-07-08 | Solvent-based paint cleaning waste solvent recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326001.2U CN212915189U (en) | 2020-07-08 | 2020-07-08 | Solvent-based paint cleaning waste solvent recovery device |
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| Publication Number | Publication Date |
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| CN212915189U true CN212915189U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021326001.2U Active CN212915189U (en) | 2020-07-08 | 2020-07-08 | Solvent-based paint cleaning waste solvent recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116850786A (en) * | 2023-08-30 | 2023-10-10 | 开平牵牛生化制药有限公司 | Ultrafiltration membrane separation equipment with quick back flush function |
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2020
- 2020-07-08 CN CN202021326001.2U patent/CN212915189U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116850786A (en) * | 2023-08-30 | 2023-10-10 | 开平牵牛生化制药有限公司 | Ultrafiltration membrane separation equipment with quick back flush function |
| CN116850786B (en) * | 2023-08-30 | 2023-11-07 | 开平牵牛生化制药有限公司 | Ultrafiltration membrane separation equipment with quick back flush function |
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