CN202530177U - Cathode plate for metal electrodeposition - Google Patents

Cathode plate for metal electrodeposition Download PDF

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Publication number
CN202530177U
CN202530177U CN2012200698452U CN201220069845U CN202530177U CN 202530177 U CN202530177 U CN 202530177U CN 2012200698452 U CN2012200698452 U CN 2012200698452U CN 201220069845 U CN201220069845 U CN 201220069845U CN 202530177 U CN202530177 U CN 202530177U
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CN
China
Prior art keywords
plate body
insulation layer
plate
metal electrodeposition
negative plate
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Withdrawn - After Issue
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CN2012200698452U
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Chinese (zh)
Inventor
赵爱君
佟立军
陆业大
董爱国
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Priority to CN2012200698452U priority Critical patent/CN202530177U/en
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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
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

The utility model discloses a cathode plate for metal electrodeposition. The plate comprises a plate body and a conductive beam, wherein insulating layers are integrally formed in predetermined areas on the front surface and the rear surface of the plate body; the insulating layer on the front surface of the plate body and the insulating layer on the rear surface of the plate body are at least partially overlapped in the thickness direction of the plate body; when the plate body is inserted into electrolyte, the upper edges of the insulating layers are higher than the liquid level of the electrolyte, and the lower edges of the insulating layers are lower than the liquid level of the electrolyte; and the conductive beam is arranged at the upper end of the plate body. The cathode plate for metal electrodeposition in the embodiment of the utility model has a good metal electrodeposition effect and long service life and is easy to produce and process, low in maintenance cost and high in practicability.

Description

The negative plate that is used for the metal electrodeposition
Technical field
The utility model relates to the hydrometallurgy field, especially relates to a kind of negative plate that is used for the metal electrodeposition.
Background technology
In the process of wet method electrolytic metal, because the fluctuation of electrolytic solution, the metal refining upper surface can form the slope, make peel off electrowinning to divest efficient lower, some has only about 80%, a large amount of bad plates need manual handling, have increased labour intensity.Existing solution generally is near the negative plate liquid level line, to inlay nonmetal insulation strip.The defective of inlaying the insulation strip method is that insulation strip and negative plate exist the slit; Inlay the insulation strip complex process simultaneously, the slit after long-time the use between insulation strip and the negative plate also can become greatly, and there is the relatively poor problem of wear resisting property in nonmetal insulation strip; When adopting the mechanically peel electrowinning; Peel off the electrowinning cutter and be subject to jam, cause the feed obstacle, poor practicability.
The utility model content
Being intended to of the utility model one of solves the problems of the technologies described above at least to a certain extent or provides a kind of useful commerce to select at least.
For this reason, a purpose of the utility model is to propose a kind of negative plate that is used for the metal electrodeposition, and the metal electrodeposition of said negative plate is effective, and processing is simple, long service life, and make things convenient for the mechanically peel electrowinning, improve the efficient of peeling off electrowinning.
The negative plate that is used for the metal electrodeposition according to the utility model embodiment; Comprise: plate body; Formed insulation layer respectively in the lip-deep prospective region of the front surface of said plate body and back; The back lip-deep insulation layer of insulation layer on the front surface of said plate body and said plate body is overlapped on the thickness direction of said plate body at least, and the lower edge that wherein upper edge of said insulation layer is higher than said liquid level of electrolyte and said insulation layer when said plate body inserts electrolytic solution is lower than said liquid level of electrolyte; And conducting beam, said conducting beam is located at the upper end of said plate body.
According to the negative plate that is used for the metal electrodeposition of the utility model embodiment, through insulation layer is set integratedly, in the process of electrolytic metal; The upper surface of metal refining is neat, makes things convenient for the peel-open cutter to peel off, and improves the efficient of peeling off electrowinning; Because insulation layer and plate body are integrally formed, compare with modes such as traditional embedding, riveted joint, adhesion, bolt are connected simultaneously, not only technology is simple; Make things convenient for process for processing, and can not occur insulation layer and the plate body phenomenon of becoming flexible or come off etc. after long-time the use, thereby effectively prolonged the work-ing life of negative plate; Reduce maintenance cost, guarantee that stable end face is formed at the top of metal refining sheet, practicality is good.
In addition, the negative plate according to the utility model embodiment can also have following additional technical feature:
In an embodiment of the utility model, the bottom of said plate body, left side and right side are coated with insulation strip respectively.
In an embodiment of the utility model, the back lip-deep insulation layer of insulation layer on the front surface of said plate body and said plate body is symmetry on the thickness direction of said plate body.
Alternatively, said insulation layer extends in respectively on the whole width of said plate body along left and right directions.
Further alternatively, said insulation layer circumferentially forms annular around said plate body.
In some embodiment of the utility model, said insulation layer is a rectangle, square, oval or circular.
In an embodiment of the utility model; The upper edge of said insulation layer and lower edge are the straight line that extends along left and right directions; The lower edge of wherein said insulation layer is lower than said liquid level of electrolyte 10-20mm, and the upper edge of said insulation layer is higher than said liquid level of electrolyte 40-50mm.
In an embodiment of the utility model, said plate body is an aluminium sheet, and said insulation layer is Al 2O 3Film.Through on the surface of plate body, Al being set 2O 3Film has increased wear resistance, not only can effectively improve the access times of negative plate; Prolong negative plate work-ing life, reduce cost, the opening cutter is difficult for taking place phenomenons such as feed jam when peeling off metal refining simultaneously; Thereby improved the charge stripping efficiency of peeling off electrowinning and peeled off effect; Reduce the number of bad plate, reduce the number of times that the workman peels off bad wrench worker, and then reduce its labour intensity.
In an embodiment of the utility model, said insulation layer forms through the said aluminium sheet of differential arc oxidation.Thus, technology is simple, and is convenient for production.
In another embodiment of the utility model, said insulation layer is for passing through plasma spraying Al on said plate body 2O 3The Al that powder forms 2O 3Film.
According to the negative plate that is used for the metal electrodeposition of the utility model embodiment, through being provided with and plate body all-in-one-piece Al 2O 3Film is compared with traditional mode that insulating part is embedded, rivets, sticks on the plate body, can be at Al 2O 3Form the slit between film and the plate body; Thereby avoid in the electrolytic process this place, slit metal refining to cause the slit to become big even insulating part breaks away from plate body; And then improve the efficient and the effect of mechanically peel electrowinning, and reduce the number of times of bad plate manual handling, reduce working strength of workers; Also improved the work-ing life of negative plate simultaneously, reduced production costs.
Additional aspect of the utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the front view according to the negative plate that is used for the metal electrodeposition of the utility model embodiment;
Fig. 2 is the sectional view of the negative plate shown in Fig. 1 along A-A; With
Fig. 3 is shown in Fig. 2, the partial enlarged drawing at insulation layer place behind the negative plate metal refining
Embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the utility model; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction to the utility model.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In the description of the utility model, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can particular case understand the concrete implication of above-mentioned term in the utility model.In addition, in the description of the utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
Following with reference to the negative plate that be used for metal electrodeposition 100 of figure 1-3 description according to the utility model embodiment.Negative plate 100 can be used in the hydrometallurgy; Wherein in the following description, describing for convenient, is that example describes with the electrolytic zinc; Wherein those skilled in the art it is understandable that; This negative plate 100 also can be used in the wet method electrolysis of other metals, for example wet type copper smelting, the wherein sedimentary metal level of 200 expressions of the label among Fig. 3.
The negative plate that is used for the metal electrodeposition 100 according to the utility model embodiment; Comprise plate body 1 and conducting beam 2; Wherein conducting beam 2 is located at the upper end of plate body 1; The upper end of conducting beam 2 is provided with and is used for negative plate 100 is hung the hanger 3 that is held in electrolytic solution, and for example in Fig. 1, the upper end of conducting beam 2 is provided with two hangers 3.
Like Fig. 1-shown in Figure 3, formed insulation layer 11 respectively in the front surface of plate body 1 and the lip-deep prospective region in back.Here; Need to prove; Prospective region promptly refers to be provided with the zone of insulation layer 11, and this regional length (left and right directions among Fig. 1 is length direction) is the length of insulation layer 11, and this regional width (above-below direction among Fig. 1 is width) is the width of insulation layer 11; And when negative plate 100 inserts in the electrolytic solution; The lower edge of insulation layer 11 is positioned at the electrolysis liquid surface below all the time, and this prospective region is corresponding with the opening cutter of peeling off electrowinning zinc automatically simultaneously, so that carry out the operation of mechanically peel electrowinning zinc.
Insulation layer 11 on the front surface of plate body 1 is overlapped on the thickness direction (like the fore-and-aft direction among Fig. 1) of plate body 1 with the back lip-deep insulation layer 11 of plate body 1 at least; Preferably; Insulation layer 11 on the front surface of plate body 1 is corresponding with the position of the back lip-deep insulation layer 11 of plate body 1 and shape is consistent; Mirror, the lower edge that the upper edge of insulation layer 11 was higher than liquid level of electrolyte and insulation layer 11 when wherein plate body 1 inserted electrolytic solution is lower than liquid level of electrolyte.That is to say; When negative plate 100 is inserted electrolytic solution; No matter how liquid level of electrolyte fluctuates, and the upper edge of insulation layer 11 is higher than liquid level of electrolyte all the time and the lower edge is lower than liquid level of electrolyte all the time, i.e. the zinc that electrolysis generates all is deposited on the lower edge of insulation layer 11 and forms a smooth end face; Avoid because the liquid level of electrolyte fluctuation forms the slope in the upper end of deposition zinc, thereby strip operation is carried out in the slit of conveniently peeling off between electrowinning zinc opening cutter insertion depositing metal layers and the plate body 1.
According to the negative plate that is used for the metal electrodeposition 100 of the utility model embodiment, through on the front and rear surfaces of plate body 1, forming insulation layer 11, in the process of electrolytic zinc; A neat end face can be formed at the top of deposition zinc, conveniently peels off the opening cutter of electrowinning zinc and peels off, and improves the efficient of peeling off electrowinning zinc; Because insulation layer 11 is integrally formed with plate body 1, compare with modes such as traditional embedding, riveted joint, adhesion, bolt are connected simultaneously, not only technology is simple; Make things convenient for process for processing; And can not occur the loosening or phenomenon such as come off of insulation layer 11 and plate body 1 after long-time the use, thereby effectively prolong the work-ing life of negative plate 100, reduce maintenance cost; Stable end face is formed at the top that guarantees the metal refining sheet, and practicality is good.
In an embodiment of the utility model, plate body 1 is an aluminium sheet, and insulation layer 11 is Al 2O 3Film.Because Al 2O 3Film has plurality of advantages such as insulation, wear-resisting, corrosion-resistant and high adhesive force, therefore through on the surface of plate body 1, Al being set 2O 3Film not only can effectively improve the access times of negative plate 100; Prolong 100 work-ing lifes of negative plate, reduce cost, the opening cutter is difficult for taking place phenomenons such as feed jam when peeling off deposition zinc simultaneously; Thereby improved the charge stripping efficiency of peeling off electrowinning zinc and peeled off effect; Reduce the number of bad plate, reduce the number of times that the workman peels off bad wrench worker, and then reduce its labour intensity.
Advantageously, insulation layer 11 forms through the differential arc oxidation aluminium sheet, that is to say, makes plate body 1 surface directly form Al through plate body 1 respective regions being carried out the differential arc oxidation operation 2O 3Film, not only technology is simple, and is convenient for production; Compare simultaneously with for example adhesion mode of traditional way, can effectively avoid negative plate 100 life-time service after insulation layer 11 break away from plate bodys 1, and then improved the life cycle of negative plate 100; Reduce production costs, practical function is remarkable.
As stated, preferably, the insulation layer 11 on the front surface of plate body 1 and the back lip-deep insulation layer 11 of plate body 1 symmetry on the thickness direction of plate body 1 are promptly along the fore-and-aft direction symmetry.Certainly; The utility model is not limited to this; In other embodiment of the utility model; Insulation layer 11 on plate body 1 front surface and the lip-deep insulation layer 11 in back also can be along the left and right directions a bit of distances that staggers; Those skilled in the art can for example be provided with insulation layer 11 according to the opening cutter of peeling off electrowinning zinc on plate body 1 front and rear surfaces, along the relative position of left and right directions with respect to the position of plate body 1 according to practical situation, that is to say that the insulation layer 11 on plate body 1 front and rear surfaces can have different coincidence degree on left and right directions.
For further improving the working efficiency of peeling off electrowinning zinc, reduce the number of bad plate, insulation layer 11 can extend in respectively on the whole width of plate body 1 along left and right directions.Alternatively, insulation layer 11 also can be winding board body 1 circumferentially form annular, promptly around the circumferential setting of plate body 1.Certainly; The utility model also is limited to this, and in other embodiment of the utility model, insulation layer 11 also can be only to have certain-length along the left and right directions of plate body 1; For example only be formed on the mid-way on plate body 1 top, can reduce the production cost of negative plate 100 thus.
Wherein, Cooperate with the opening cutter of peeling off electrowinning zinc for ease, improve and peel off electrowinning zinc efficient, insulation layer 11 can be rectangle; For example in a concrete example of the utility model; The upper edge of insulation layer 11 and lower edge are the straight line that extends along left and right directions, and wherein the lower edge of insulation layer 11 is lower than liquid level of electrolyte 10-20mm, and the upper edge of insulation layer 11 is higher than liquid level of electrolyte 40-50mm.Certainly, the utility model is not limited to this, in other embodiment of the utility model, for convenient with peel off electrowinning opening cutter and cooperate, insulation layer 11 can also be square, ellipse or circular.
That is to say; Those skilled in the art can be according to practical condition; For example can dispose the shape of insulation layer 11 according to the opening cutter of peeling off electrowinning zinc, relatively the position and the size of plate body 1 are peeled off the working efficiency of electrowinning and are peeled off effect with raising; The length that insulation layer 11 stretches into (or exposing) liquid level of electrolyte can be to be provided with flexibly according to liquid level of electrolyte fluctuation situation, thereby further improves the working efficiency of peeling off electrowinning zinc and peel off effect, reduces the generation of bad plate.
Wherein, the bottom of plate body 1, left side and right side can be coated with insulation strip respectively, prevent that metal deposition from forming " bound edge " on bottom, left side and the right side of plate body 1, improves and peel off electrowinning zinc efficient.
In another embodiment of the utility model, insulation layer 11 is for passing through plasma spraying Al on plate body 1 2O 3The Al that powder forms 2O 3Film.
According to the negative plate that is used for the metal electrodeposition 100 of the utility model embodiment, through being provided with and plate body 1 all-in-one-piece Al 2O 3Film is compared with traditional mode that insulating part is embedded, rivets, sticks on the plate body, can be at Al 2O 3Form the slit between film and the plate body 1; Thereby avoid in the electrolytic process this place, slit deposition zinc to cause the slit to become big even insulating part breaks away from plate body; And then improve the efficient and the effect of mechanically peel electrowinning zinc, and reduce the number of times of bad plate manual handling, reduce working strength of workers; Also improved the work-ing life of negative plate 100 simultaneously, reduced production costs.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained among at least one embodiment or example of the utility model.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is limited claim and equivalent thereof.

Claims (10)

1. a negative plate that is used for the metal electrodeposition is characterized in that, comprising:
Plate body; Formed insulation layer respectively in the lip-deep prospective region of the front surface of said plate body and back; The back lip-deep insulation layer of insulation layer on the front surface of said plate body and said plate body is overlapped on the thickness direction of said plate body at least, and the lower edge that wherein upper edge of said insulation layer is higher than said liquid level of electrolyte and said insulation layer when said plate body inserts electrolytic solution is lower than said liquid level of electrolyte; With
Conducting beam, said conducting beam is located at the upper end of said plate body.
2. the negative plate that is used for the metal electrodeposition according to claim 1 is characterized in that the bottom of said plate body, left side and right side are coated with insulation strip respectively.
3. the negative plate that is used for the metal electrodeposition according to claim 1 is characterized in that, the back lip-deep insulation layer of insulation layer on the front surface of said plate body and said plate body is symmetry on the thickness direction of said plate body.
4. the negative plate that is used for the metal electrodeposition according to claim 1 is characterized in that, said insulation layer extends in respectively on the whole width of said plate body along left and right directions.
5. the negative plate that is used for the metal electrodeposition according to claim 1 is characterized in that, said insulation layer circumferentially forms annular around said plate body.
6. the negative plate that is used for the metal electrodeposition according to claim 1 is characterized in that, said insulation layer is a rectangle, square, oval or circular.
7. the negative plate that is used for the metal electrodeposition according to claim 1; It is characterized in that; The upper edge of said insulation layer and lower edge are the straight line that extends along left and right directions; The lower edge of wherein said insulation layer is lower than said liquid level of electrolyte 10-20mm, and the upper edge of said insulation layer is higher than said liquid level of electrolyte 40-50mm.
8. according to each described negative plate that is used for the metal electrodeposition among the claim 1-7, it is characterized in that said plate body is an aluminium sheet, said insulation layer is Al 2O 3Film.
9. the negative plate that is used for the metal electrodeposition according to claim 8 is characterized in that, said insulation layer forms through the said aluminium sheet of differential arc oxidation.
10. according to each described negative plate that is used for the metal electrodeposition among the claim 1-7, said insulation layer is for passing through plasma spraying Al on said plate body 2O 3The Al that powder forms 2O 3Film.
CN2012200698452U 2012-02-28 2012-02-28 Cathode plate for metal electrodeposition Withdrawn - After Issue CN202530177U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200698452U CN202530177U (en) 2012-02-28 2012-02-28 Cathode plate for metal electrodeposition

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Application Number Priority Date Filing Date Title
CN2012200698452U CN202530177U (en) 2012-02-28 2012-02-28 Cathode plate for metal electrodeposition

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CN202530177U true CN202530177U (en) 2012-11-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102534689A (en) * 2012-02-28 2012-07-04 中国恩菲工程技术有限公司 Negative plate for metal electro-deposition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102534689A (en) * 2012-02-28 2012-07-04 中国恩菲工程技术有限公司 Negative plate for metal electro-deposition
CN102534689B (en) * 2012-02-28 2014-07-16 中国恩菲工程技术有限公司 Negative plate for metal electro-deposition

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20121114

Effective date of abandoning: 20140716

RGAV Abandon patent right to avoid regrant