CN103225100B - Plating solution filtering purifier and method thereof - Google Patents
Plating solution filtering purifier and method thereof Download PDFInfo
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- CN103225100B CN103225100B CN201310142493.8A CN201310142493A CN103225100B CN 103225100 B CN103225100 B CN 103225100B CN 201310142493 A CN201310142493 A CN 201310142493A CN 103225100 B CN103225100 B CN 103225100B
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- pipeline
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- electroplate liquid
- flocculating aids
- purifying
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Abstract
The invention relates to a plating solution filtering purifier and method thereof. The apparatus comprises a plating solution circulating pot, a filter aid pot, a first filtering circulating pump, a filter, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a fifth pipeline, a sixth pipeline, a seventh pipeline, a eighth pipeline, a ninth pipeline and a tenth pipeline; the first pipeline is provided with a first control valve, and a fifth pipeline is provided with a second control valve, and a sixth pipeline is provided with a third control valve, and a seventh pipeline is provided with a fourth control valve, and a eighth pipeline is provided with a fifth control valve, and a ninth pipeline is provided with a sixth control valve; the method comprises four steps as follows: preparing a filter aid, precoating the filter aid, filtering and backwashing. The invention can realize automatic filtering of plating solution and removal of impurity in the plating solution and backwashing of the filter with only a few of plating solution, and the invention has the advantages of low water consumption and little waste water generated.
Description
Technical field
The present invention relates to liquid filtering field, more particularly, relate to a kind of electroplate liquid filtering and purifying and method.
Background technology
In cold rolled strip continuous electroplating zinc unit, the zinc-plated of belt steel surface realizes in plating section, and during plating, the processing parameter such as the composition of electroplate liquid, pH value, temperature and foreign matter content all directly has influence on the quality of product.In electro-galvanizing production process, impurity in belt steel surface, air, pipeline, evaporation concentration system and zinc dissolution system zinc granule can enter in electroplate liquid, these impurity mainly exist with tiny suspended solid and colloidalmaterial form, be totally unfavorable, therefore must remove plating.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of electroplate liquid filtering and purifying and method.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of electroplate liquid filtering and purifying, comprises electroplate liquid circulation tank, flocculating aids tank, the first filtration cycle pump and strainer; The outlet of described electroplate liquid circulation tank is connected with the entrance of second pipe with described first filtration cycle pump by the first pipeline successively, and described first pipeline is provided with the first control valve; Described first filtration cycle pump outlet is connected with the entrance of described strainer by the 3rd pipeline, the 4th pipeline, the 5th pipeline successively, and described 5th pipeline is provided with the second control valve; Described 4th pipeline is also connected with the outlet of described strainer by the 6th pipeline, and described 6th pipeline is provided with the 3rd control valve; The entrance of described strainer also connects the 7th pipeline, and described 7th pipeline is provided with the 4th control valve; Described 6th pipeline is also connected with the entrance of described electroplate liquid circulation tank by the 8th pipeline, and described 8th pipeline is provided with the 5th control valve; Described 8th pipeline is connected with described flocculating aids tank entrance by the 9th pipeline, and described 9th pipeline is provided with the 6th control valve; The outlet of described flocculating aids tank is connected with described second pipe by the tenth pipeline, and described tenth pipeline is provided with the 7th control valve.
In electroplate liquid filtering and purifying of the present invention, described strainer is provided with differential pressure controller.
In electroplate liquid filtering and purifying of the present invention, between described first pipeline and described 4th pipeline, be also provided with the 12 pipeline, the second filtration cycle pump, the 13 pipeline that connect successively.
In electroplate liquid filtering and purifying of the present invention, described second pipe is provided with the first manual valve, and described 3rd pipeline is provided with the second manual valve and the first vacuum breaker.
In electroplate liquid filtering and purifying of the present invention, described 12 pipeline is provided with the 3rd manual valve, and described 13 pipeline is provided with the 4th manual valve and the second vacuum breaker.
In electroplate liquid filtering and purifying of the present invention, described filtering and purifying also comprises the 11 pipeline and the feed hopper be connected with described flocculating aids tank entrance.
In electroplate liquid filtering and purifying of the present invention, described 11 pipeline is provided with the 5th manual valve.
In electroplate liquid filtering and purifying of the present invention, described 8th pipeline is provided with visor.
Present invention also offers a kind of electroplate liquid purifying method using above-mentioned filtering and purifying, comprise the following steps:
S1, preparation flocculating aids; Close the 7th control valve, in flocculating aids tank, add flocculating aids and de-salted water, and fully stir;
S2, precoating flocculating aids; Open the 7th control valve, the second control valve and the 6th control valve, close the first control valve, the 3rd control valve, the 4th control valve and the 5th control valve, start the first filtration cycle pump, flocculating aids is coated in strainer;
S3, filtration; Close the 7th control valve, the 6th control valve, the 4th control valve and the 3rd control valve, open the first control valve, the second control valve and the 5th control valve, by the first filtration cycle pump, electroplate liquid is delivered to filtration, purification in strainer;
S4, back flushing; Close the second control valve, the 5th control valve, the 6th control valve and the 7th control valve, open the first control valve, the 3rd control valve and the 4th control valve, pass into electroplate liquid and carry out back flushing in strainer, the sewage after back flushing is discharged from the 7th pipeline.
In electroplate liquid purifying method of the present invention, described flocculating aids is diatomite.
Implement electroplate liquid filtering and purifying of the present invention and method, there is following beneficial effect: the automatic filtration that can be realized electroplate liquid by the present invention, remove the impurity in electroplate liquid, and the back flushing of strainer can be realized, back flushing only needs to use a small amount of electroplate liquid, water loss is extremely low, and the wastewater flow rate of generation is little.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of electroplate liquid filtering and purifying of the present invention.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, electroplate liquid filtering and purifying of the present invention comprises electroplate liquid circulation tank 36, flocculating aids tank 28, first filtration cycle pump 7, strainer 22, first pipeline 1, second pipe 3, the 3rd pipeline 9, the 4th pipeline 15, the 5th pipeline 16, the 6th pipeline 17, the 7th pipeline 20, the 8th pipeline 24, the 9th pipeline 26, the tenth pipeline 33.
The outlet of electroplate liquid circulation tank 36 is connected with the entrance of second pipe 3 with the first filtration cycle pump 7 by the first pipeline 1 successively, and the first pipeline 1 is provided with the first control valve 2.The outlet of the input termination electroplate liquid circulation tank 36 of the first pipeline 1, output terminal is connected with the output terminal of the tenth pipeline 33.
The outlet of the first filtration cycle pump 7 is connected with the entrance of strainer 22 by the 3rd pipeline 9, the 4th pipeline 15, the 5th pipeline 16 successively, and the 5th pipeline 16 is provided with the second control valve 18.4th pipeline 15 is also connected with the outlet of strainer 22 by the 6th pipeline 17, and the 6th pipeline 17 is provided with the 3rd control valve 19.The entrance of strainer 22 also connects the 7th pipeline the 20, seven pipeline 20 and is provided with the 4th control valve the 21, seven pipeline 20 for being connected with sump.
6th pipeline 17 is also connected with the entrance of electroplate liquid circulation tank 36 by the 8th pipeline 24, and the 8th pipeline 24 is provided with the 5th control valve 25.8th pipeline 24 is connected with flocculating aids tank 28 entrance by the 9th pipeline 26, and the 9th pipeline 26 is provided with the 6th control valve 27.When the 5th control valve 25 is closed, when the 6th control valve 27 is opened, the liquid in the 8th pipeline 24 flows in the 9th pipeline 26, and when the 6th control valve 27 is closed, when the 5th control valve 25 is opened, the liquid in the 8th pipeline 24 flows in electroplate liquid circulation tank 36.
The outlet of flocculating aids tank 28 is connected with second pipe 3 by the tenth pipeline 33, and the tenth pipeline 33 is provided with the 7th control valve 34.
Further, strainer 22 is provided with differential pressure controller 23.Be detected the pressure difference of filter 22 import and outlet by differential pressure controller 23, when pressure difference reaches set(ting)value, filter complete.
Further, the 12 pipeline 4, second filtration cycle pump the 8, the 13 pipeline 10 connected successively is also provided with between the first pipeline 1 and the 4th pipeline 15.Second pipe 3 is provided with the first manual valve the 5, three pipeline 9 and is provided with the second manual valve 13 and the first vacuum breaker 11.12 pipeline 4 is provided with the 3rd manual valve 6, and the 13 pipeline 10 is provided with the 4th manual valve 14 and the second vacuum breaker 12.First filtration pump 7 is set up in parallel together with the valve before and after this pump together with the valve before and after this pump and the second filtration cycle pump 8, for subsequent use each other.
Further, filtering and purifying also comprises the 11 pipeline 31 and feed hopper 30 that are connected with flocculating aids tank 28 entrance.Can add flocculating aids in flocculating aids tank 28 by feed hopper 30, can add de-salted water by the 11 pipeline 31 in flocculating aids tank 28, can arrange stirrer 29 in flocculating aids tank 28 and stir, the flocculating aids in the present invention is preferably diatomite.11 pipeline 31 can also be arranged the 5th manual valve 32.
Further, the 8th pipeline 24 is provided with visor 35.The situation of liquid in the 8th pipeline 24 can be observed by visor 35.
Present invention also offers a kind of electroplate liquid purifying method using above-mentioned filtering and purifying, comprise the following steps:
S1, preparation flocculating aids; Close the 7th control valve 34, in flocculating aids tank 28, add flocculating aids and de-salted water, and fully stir.
S2, precoating flocculating aids; Open the 7th control valve 34, second control valve 18 and the 6th control valve 27, close the first control valve 2, the 3rd control valve 19, the 4th control valve 21 and the 5th control valve 25, start the first filtration cycle pump 7, flocculating aids enters in strainer 22 by the tenth pipeline 33, second pipe 3, the 3rd pipeline 9, the 4th pipeline 15 and the 5th pipeline 16 successively, is coated in by flocculating aids in strainer 22; Flocculating aids is flowed back in flocculating aids tank 28 by the 8th passage and the 9th pipeline 26 successively from the outlet of strainer 22.Observe the mixed solution in visor 35 until clarification or precoating time reach set(ting)value, precoating flocculating aids is complete.
S3, filtration; Close the 7th control valve 34, the 6th control valve 27, the 4th control valve 21 and the 3rd control valve 19, open the first control valve 2, second control valve 18 and the 5th control valve 25, by the first filtration cycle pump 7, electroplate liquid is delivered in strainer 22.Electroplate liquid enters the purification of strainer 22 inner filtration by the first pipeline 1, second pipe 3, the 3rd pipeline 9, the 4th pipeline 15, the 5th pipeline 16 successively, and the electroplate liquid after filtration is flowed in electroplate liquid circulation tank 36 by the 8th pipeline 24.
S4, back flushing; Close the second control valve 18, the 5th control valve 25, the 6th control valve 27 and the 7th control valve 34, open the first control valve 2, the 3rd control valve 19 and the 4th control valve 21, start the first filtration cycle pump 7, electroplate liquid is entered in strainer 22 by the first pipeline 1, second pipe 3, the 3rd pipeline 9, the 4th pipeline 15 and the 6th pipeline 17 successively and carries out back flushing, and the sewage after back flushing is discharged from the 7th pipeline 20.
Flocculating aids in the inventive method is preferably diatomite, and diatomite cost is lower, and diatomite solid enters the load not increasing water treatment in waste water, automatic filtration and back flushing can be realized, back flushing only needs to use a small amount of electroplate liquid, and water loss is extremely low, and the wastewater flow rate of generation is little.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (10)
1. an electroplate liquid filtering and purifying, is characterized in that, comprises electroplate liquid circulation tank (36), flocculating aids tank (28), the first filtration cycle pump (7) and strainer (22);
The outlet of described electroplate liquid circulation tank (36) is connected with the entrance of second pipe (3) with described first filtration cycle pump (7) by the first pipeline (1) successively, and described first pipeline (1) is provided with the first control valve (2);
The outlet of described first filtration cycle pump (7) is connected with the entrance of described strainer (22) by the 3rd pipeline (9), the 4th pipeline (15), the 5th pipeline (16) successively, and described 5th pipeline (16) is provided with the second control valve (18);
Described 4th pipeline (15) is also connected with the outlet of described strainer (22) by the 6th pipeline (17), and described 6th pipeline (17) is provided with the 3rd control valve (19);
The entrance of described strainer (22) also connects the 7th pipeline (20), and described 7th pipeline (20) is provided with the 4th control valve (21);
Described 6th pipeline (17) is also connected with the entrance of described electroplate liquid circulation tank (36) by the 8th pipeline (24), and described 8th pipeline (24) is provided with the 5th control valve (25);
Described 8th pipeline (24) is connected with described flocculating aids tank (28) entrance by the 9th pipeline (26), and described 9th pipeline (26) is provided with the 6th control valve (27);
The outlet of described flocculating aids tank (28) is connected with described second pipe (3) by the tenth pipeline (33), and described tenth pipeline (33) is provided with the 7th control valve (34).
2. electroplate liquid filtering and purifying according to claim 1, is characterized in that, described strainer (22) is provided with differential pressure controller (23).
3. electroplate liquid filtering and purifying according to claim 1, it is characterized in that, between described first pipeline (1) and described 4th pipeline (15), be also provided with the 12 pipeline (4), the second filtration cycle pump (8), the 13 pipeline (10) that connect successively.
4. electroplate liquid filtering and purifying according to claim 1, is characterized in that, described second pipe (3) is provided with the first manual valve (5), and described 3rd pipeline (9) is provided with the second manual valve (13) and the first vacuum breaker (11).
5. electroplate liquid filtering and purifying according to claim 3, is characterized in that, described 12 pipeline (4) is provided with the 3rd manual valve (6), and described 13 pipeline (10) is provided with the 4th manual valve (14) and the second vacuum breaker (12).
6. electroplate liquid filtering and purifying according to claim 1, is characterized in that, described filtering and purifying also comprises the 11 pipeline (31) and feed hopper (30) that are connected with described flocculating aids tank (28) entrance.
7. electroplate liquid filtering and purifying according to claim 6, is characterized in that, described 11 pipeline (31) is provided with the 5th manual valve (32).
8. electroplate liquid filtering and purifying according to claim 1, is characterized in that, described 8th pipeline (24) is provided with visor (35).
9. use an electroplate liquid purifying method for the filtering and purifying described in claim 1, it is characterized in that, comprise the following steps:
S1, preparation flocculating aids; Close the 7th control valve (34), in flocculating aids tank (28), add flocculating aids and de-salted water, and fully stir;
S2, precoating flocculating aids; Open the 7th control valve (34), the second control valve (18) and the 6th control valve (27), close the first control valve (2), the 3rd control valve (19), the 4th control valve (21) and the 5th control valve (25), start the first filtration cycle pump (7), flocculating aids is coated in strainer (22);
S3, filtration; Close the 7th control valve (34), the 6th control valve (27), the 4th control valve (21) and the 3rd control valve (19), open the first control valve (2), the second control valve (18) and the 5th control valve (25), by the first filtration cycle pump (7), electroplate liquid is delivered to filtration, purification in strainer (22);
S4, back flushing; Close the second control valve (18), the 5th control valve (25), the 6th control valve (27) and the 7th control valve (34), open the first control valve (2), the 3rd control valve (19) and the 4th control valve (21), in strainer (22), pass into electroplate liquid carry out back flushing, the sewage after back flushing is discharged from the 7th pipeline (20).
10. electroplate liquid purifying method according to claim 9, it is characterized in that, described flocculating aids is diatomite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310142493.8A CN103225100B (en) | 2013-04-23 | 2013-04-23 | Plating solution filtering purifier and method thereof |
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| CN201310142493.8A CN103225100B (en) | 2013-04-23 | 2013-04-23 | Plating solution filtering purifier and method thereof |
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| CN103225100A CN103225100A (en) | 2013-07-31 |
| CN103225100B true CN103225100B (en) | 2015-06-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104548747B (en) * | 2014-12-31 | 2016-06-29 | 广东威迪科技股份有限公司 | A kind of intelligently filters control method |
| CN105132956B (en) * | 2015-10-12 | 2017-07-07 | 湖南金旺铋业股份有限公司 | A kind of electrolyte continuous purification impurity removed system |
| CN105780097B (en) * | 2016-04-28 | 2018-03-20 | 四川昊吉科技有限公司 | A kind of circulating Electroplate liquid filter |
| CN105926006A (en) * | 2016-04-29 | 2016-09-07 | 湖南冠拓科技股份有限公司 | Automatic cleaning device of water electrolysis hydrogen-oxygen generator |
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