CN102423566A - Filtering equipment for electrolyte and filtering method thereof - Google Patents
Filtering equipment for electrolyte and filtering method thereof Download PDFInfo
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- CN102423566A CN102423566A CN2011102589360A CN201110258936A CN102423566A CN 102423566 A CN102423566 A CN 102423566A CN 2011102589360 A CN2011102589360 A CN 2011102589360A CN 201110258936 A CN201110258936 A CN 201110258936A CN 102423566 A CN102423566 A CN 102423566A
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Abstract
The invention discloses filtering equipment for electrolyte and a filtering method thereof, which belongs to the field of filtration technology. The invention aims to provide a filtering method which has high filtration accuracy and is simple to control. According to the invention, the filtering equipment comprises a filter, a filtrate inlet pipe and a filtrate outlet pipe, the filter is connected with a circulation pipeline, and a diatomite solution storage tank and a circulating pump are connected with the circulation pipeline; during filtering, 100-mesh diatomite and water are added into the storage tank and uniformly mixed to obtained mixed liquor A which is pumped into the filter through the circulating pump and coated over the surface of the filter; then, 500-mesh diatomite and water are added into the storage tank and uniformly mixed to obtained mixed liquor B which is pumped into the filter through the circulating pump and coated over the surface of the filter; finally, electrolyte to be filtered is allowed to enter into the filter for filtration. The invention is applicable to filtration and purification of electrolyte.
Description
Technical field
The present invention discloses a kind of filter plant of electrolyte, and the filter method when the present invention goes back this equipment of public use specifically, is a filter method of producing electrolyte in the Copper Foil process, belongs to filtration art.
Background technology
In the electro-deposition and electroforming field of copper, the electrolysis accessory substance and the impurity that remain in usually in the copper electrolyte can influence the physical property of the electro-deposition product that is obtained by electrolysis widely, as cause cathode copper surface knot grain; Long pimple; Have a strong impact on the quality of product, and because the anode surface physical specification worsens, it is serious that the anode and cathode short circuit connects electricity; Greatly reduce current efficiency; Increased power consumption, so, need as much as possible remove the contamination that undesirable impurity and unwanted material cause in the fabrication stage of electrolytic copper foil.Common available several different methods is removed and is stayed undesirable electrolysis accessory substance and impurity in the copper electrolyte, for example uses filter cloth, active carbon, ion exchange resin or similar material.
Be used for the additive of copper electrolyte, known thiocarbamide is a kind of compound that can make cathode copper have special high rigidity.Therefore, after deliberation many kind methods of making cathode copper by the electrolyte that only adds thiocarbamide in a large number.Yet, add other catabolite that the thiocarbamide in the copper electrolyte forms formamidine disulfide=its derivative, thiosulfuric acid, polythionic acid and obtained by thiocarbamide through oxidation reaction (like anodizing or dioxygen oxidation).Electrolyte directly enters to filter through the filtered fluid inlet and filters, and uses the plain filter of common filter cloth, active carbon, ion exchange resin, and these decompose the product that obtains by thiocarbamide and are difficult to remove fully.
Summary of the invention
To the problems referred to above; The present invention discloses and a kind ofly in the filter circulation line, increases a diatomite storage tank and deposit solution; Reach water self-loopa purpose, after with pump diatomite being mixed diatomite is coated on the filter, the filtering accuracy high energy of electrolyte reaches the filter method that filters below the 1 μ m.
Last technical scheme of the present invention is such: a kind of filter plant of electrolyte; Comprise filter; Filtrating inlet tube and filtrate exit pipe; Between the filtrating inlet tube of filter and filtrate exit pipe, be connected with circulation line, and in circulation line, be connected with tripolite solution storage tank and circulating pump.
The filter plant of above-mentioned a kind of electrolyte, described circulating pump are connected between tripolite solution storage tank and the filtrating inlet tube.
The filter plant of above-mentioned a kind of electrolyte is connected with the discharging by-pass valve control on the circulation line between described circulating pump and the filtrating inlet tube, is connected with the feed back by-pass valve control on the circulation line of tripolite solution storage tank and filtrate exit pipe.
The filter method of the filter plant of above-mentioned a kind of electrolyte; In the tripolite solution storage tank, add 100 order diatomite and water earlier; Obtain mixed liquor A behind the mixing, mixed liquor A is squeezed in the filter, be coated on filter surfaces with circulating pump; In the tripolite solution storage tank, add 500 order diatomite and water again after applying completion, obtain mixed liquid B behind the mixing; With circulating pump mixed liquid B is squeezed in the filter again, be coated on filter surfaces; The last electrolyte that needs to filter that in filter, feeds again carries out filtration treatment.
The filter method of the filter plant of above-mentioned a kind of electrolyte, described 500 orders and the diatomaceous consumption of 100 orders are 1: 1.5～2.5 by mass ratio.
The filter method of the filter plant of above-mentioned a kind of electrolyte, described filter are selected 10～20 microns filter bag filters in aperture or candle filter for use.
The filter method of the filter plant of above-mentioned a kind of electrolyte, every square of filter of the total consumption of described diatomite is with 2.5～3.5Kg.
The filter method of the filter plant of above-mentioned a kind of electrolyte, described mixed liquor is coated on filter surfaces with the speed of 1.8～2.2Kg/min.
The filter method of the filter plant of above-mentioned a kind of electrolyte, the mass ratio of described diatomite and water are 1: 5～10.
The filter method of the filter plant of above-mentioned a kind of electrolyte, the mixed liquor in the described tripolite solution storage tank should be 1/3～2/3 of tripolite solution tank capacity.
Compared with prior art, of the present invention have a following advantage:
1, design is ingenious, makes on the diatomite filter application surface, and can be very firm be fixed in the above forms the high accuracy filter course;
2, can reach three months service time, reduce working strength of workers;
3, filtering accuracy is high, can reach the filtering accuracy that filters below the 1 μ m;
4, control is simple, and the workman can control the size of turnover valve or change the variable frequency pump frequency and adjust through the observation Pressure gauge.
5, there is not the leakage filter phenomenon of breaking and causing because of filter cloth;
6, change simply, be easy to the short time completion, influence is produced little.
Description of drawings
Fig. 1 is a filter plant structural representation of the present invention.
Wherein, filter 1, tripolite solution storage tank 2, circulating pump 3, filtrating inlet tube 4 filtrate exit pipes 5.
The specific embodiment
Below in conjunction with the specific embodiment the present invention is done further restriction in detail, but any restriction of the present invention in pairs inadequately.
Consult Fig. 1; A kind of filter plant of electrolyte; Filter 1, filtrating inlet tube 4 and filtrate exit pipe 5 are connected with circulation line between the filtrating inlet tube 4 of filter 1 and filtrate exit pipe 5; And in circulation line, be connected with tripolite solution storage tank 2 and circulating pump 3; Circulating pump 3 is connected between tripolite solution storage tank 2 and the filtrating inlet tube 4, is connected with discharging by-pass valve control K2 on the circulation line between circulating pump 3 and the filtrating inlet tube 4, is connected with feed back by-pass valve control K3 on the circulation line of tripolite solution storage tank 2 and filtrate exit pipe 5.Wherein, filter 1 is selected the filter bag filter in 20 microns in aperture for use.
Use the filter method of this filter plant, check the filter circulatory system before applying earlier, normal by filtrating inlet tube 4 with filtrate exit pipe 5 circulations; Be in barotropic state, close discharging by-pass valve control K2 and feed back by-pass valve control K3, during filtration; In tripolite solution storage tank 2, add earlier 200Kg 100 order diatomite and 2000L water, obtain mixed liquor A behind the mixing, open feed back by-pass valve control K3 put mixed liquor A in the tripolite solution storage tank 2 to 1/2 o'clock; Open discharging by-pass valve control K2, start circulating pump 3 simultaneously, make mixed liquor A in tripolite solution storage tank 2, circulate with filter 1 with the speed of 2.0Kg/min; 100 order diatomite filter application 1; Water circulates, and with feed back by-pass valve control K3 control tripolite solution storage tank 2, guarantees that the mixed liquor A in the tripolite solution storage tank 2 accounts for 1/2 of tripolite solution storage tank 2 capacity; Close feed back by-pass valve control K3 after applying completion; Inspection simultaneously applies diatomite solution storage tank 2, when the liquid level in the tripolite solution storage tank 2 drops to circulating pump 3 outlet positions, stops circulating pump 3 operations and closes discharging by-pass valve control K2 simultaneously.In tripolite solution storage tank 2, add 500 order diatomite and water again after applying completion; Obtain mixed liquid B behind the mixing; With circulating pump 3 mixed liquid B is squeezed in the filter 1 again; Be coated on filter 1 surface, increase 0.1Mpa approximately with coating after-filter pressure before applying, the last electrolyte that needs to filter that in filter 1, feeds again carries out filtration treatment.
The used equipment of present embodiment with implement 1 identically, unique difference is the candle filter of filter 1 for 20 microns in aperture; Use the filter method of this filter plant, check the filter circulatory system before applying earlier, normal by filtrating inlet tube 4 with filtrate exit pipe 5 circulations; Be in barotropic state, close discharging by-pass valve control K2 and feed back by-pass valve control K3, during filtration; In tripolite solution storage tank 2, add earlier 200Kg 100 order diatomite and 2000L water, obtain mixed liquor A behind the mixing, open feed back by-pass valve control K3 put mixed liquor A in the tripolite solution storage tank 2 to 1/2 o'clock; Open discharging by-pass valve control K2, start circulating pump 3 simultaneously, make mixed liquor A in tripolite solution storage tank 2, circulate with filter 1 with the speed of 2.2Kg/min; 100 order diatomite filter application 1; Water circulates, and with feed back by-pass valve control K3 control tripolite solution storage tank 2, guarantees that the mixed liquor A in the tripolite solution storage tank 2 accounts for 2/3 of tripolite solution storage tank 2 capacity; Close feed back by-pass valve control K3 after applying completion; Inspection simultaneously applies diatomite solution storage tank 2, when the liquid level in the tripolite solution storage tank 2 drops to circulating pump 3 outlet positions, stops circulating pump 3 operations and closes discharging by-pass valve control K2 simultaneously.In tripolite solution storage tank 2, add 500 order diatomite and water again after applying completion; Obtain mixed liquid B behind the mixing; With circulating pump 3 mixed liquid B is squeezed in the filter 1 again; Be coated on filter 1 surface, increase 0.1Mpa approximately with coating after-filter pressure before applying, the last electrolyte that needs to filter that in filter 1, feeds again carries out filtration treatment.
Use filter plant provided by the present invention and filter method, the filtering accuracy high energy of electrolyte reaches the filter method that filters below the 1 μ m.
Claims (10)
1. the filter plant of an electrolyte; Comprise filter (1); Filtrating inlet tube (4) and filtrate exit pipe (5); It is characterized in that, between the filtrating inlet tube (4) of filter (1) and filtrate exit pipe (5), be connected with circulation line, and in circulation line, be connected with tripolite solution storage tank (2) and circulating pump (3).
2. the filter plant of a kind of electrolyte according to claim 1 is characterized in that, described circulating pump (3) is connected between tripolite solution storage tank (2) and the filtrating inlet tube (4).
3. the filter plant of a kind of electrolyte according to claim 1 and 2; It is characterized in that; Be connected with discharging by-pass valve control (K2) on the circulation line between described circulating pump (3) and the filtrating inlet tube (4), be connected with feed back by-pass valve control (K3) on the circulation line of tripolite solution storage tank (2) and filtrate exit pipe (5).
4. the filter method of the filter plant of the arbitrary said a kind of electrolyte of claim 1 to 3; It is characterized in that, in tripolite solution storage tank (2), add 100 order diatomite and water earlier, obtain mixed liquor A behind the mixing; With circulating pump (3) mixed liquor A is squeezed in the filter (1); Be coated on filter (1) surface, in tripolite solution storage tank (2), add 500 order diatomite and water after coating is accomplished again, obtain mixed liquid B behind the mixing; Use circulating pump (3) that mixed liquid B is squeezed in the filter (1) again, be coated on filter (1) surface; In filter (1), feed the electrolyte that needs to filter at last again and carry out filtration treatment.
5. the filter method of the filter plant of a kind of electrolyte according to claim 4 is characterized in that, described 500 orders and the diatomaceous consumption of 100 orders are 1: 1.5～2.5 by mass ratio.
6. the filter method of the filter plant of a kind of electrolyte according to claim 4 is characterized in that, described filter (1) is selected 10～20 microns filter bag filters in aperture or candle filter for use.
7. the filter method of the filter plant of a kind of electrolyte according to claim 4 is characterized in that, every square of filter of the total consumption of described diatomite is with 2.5～3.5Kg.
8. the filter method of the filter plant of a kind of electrolyte according to claim 4 is characterized in that, described mixed liquor is coated on filter (1) surface with the speed of 1.8～2.2Kg/min.
9. the filter method of the filter plant of a kind of electrolyte according to claim 4 is characterized in that, the mass ratio of described diatomite and water is 1: 5～10.
10. the filter method of the filter plant of a kind of electrolyte according to claim 4 is characterized in that, the mixed liquor in the described tripolite solution storage tank (2) should be 1/3～2/3 of tripolite solution tank capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102589360A CN102423566A (en) | 2011-09-02 | 2011-09-02 | Filtering equipment for electrolyte and filtering method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102589360A CN102423566A (en) | 2011-09-02 | 2011-09-02 | Filtering equipment for electrolyte and filtering method thereof |
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| CN102423566A true CN102423566A (en) | 2012-04-25 |
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| CN2011102589360A Pending CN102423566A (en) | 2011-09-02 | 2011-09-02 | Filtering equipment for electrolyte and filtering method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205655A (en) * | 2019-04-11 | 2019-09-06 | 浙江花园新能源有限公司 | A kind of fill method of electrolytic copper foil super-cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60204874A (en) * | 1984-03-30 | 1985-10-16 | Toshiharu Nakai | Method and device for active carbon filtration of plating wire |
| JPH10110298A (en) * | 1996-10-08 | 1998-04-28 | Japan Energy Corp | Purifying method of electrolyte |
| CN1380915A (en) * | 2000-05-18 | 2002-11-20 | 三井金属鉱业株式会社 | Electrolysis apparatus for electrolytic copper foil and electrolytic copper foil produced in electrolysis apparatus |
| CN201537413U (en) * | 2009-10-28 | 2010-08-04 | 合肥铜冠国轩铜材有限公司 | Large diatomite filter |
-
2011
- 2011-09-02 CN CN2011102589360A patent/CN102423566A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60204874A (en) * | 1984-03-30 | 1985-10-16 | Toshiharu Nakai | Method and device for active carbon filtration of plating wire |
| JPH10110298A (en) * | 1996-10-08 | 1998-04-28 | Japan Energy Corp | Purifying method of electrolyte |
| CN1380915A (en) * | 2000-05-18 | 2002-11-20 | 三井金属鉱业株式会社 | Electrolysis apparatus for electrolytic copper foil and electrolytic copper foil produced in electrolysis apparatus |
| CN201537413U (en) * | 2009-10-28 | 2010-08-04 | 合肥铜冠国轩铜材有限公司 | Large diatomite filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205655A (en) * | 2019-04-11 | 2019-09-06 | 浙江花园新能源有限公司 | A kind of fill method of electrolytic copper foil super-cell |
| CN110205655B (en) * | 2019-04-11 | 2022-01-25 | 浙江花园新能源股份有限公司 | Filling method of electrolytic copper foil diatomite filter aid |
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Application publication date: 20120425 |