CN202610344U - Low-voltage electrode for electrometallurgy and electrochemistry - Google Patents
Low-voltage electrode for electrometallurgy and electrochemistry Download PDFInfo
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- CN202610344U CN202610344U CN 201220243136 CN201220243136U CN202610344U CN 202610344 U CN202610344 U CN 202610344U CN 201220243136 CN201220243136 CN 201220243136 CN 201220243136 U CN201220243136 U CN 201220243136U CN 202610344 U CN202610344 U CN 202610344U
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Abstract
The utility model relates to an electrode for electrochemistry and electrometallurgy technologies, particularly to a low-voltage electrode for electrometallurgy and electrochemistry, which includes slotted anode and cathode, wherein the cathode includes a cathode carbon block and a current conducting rod; a groove or a hole is formed on the cathode carbon block; the size of the cathode carbon block and the groove or hole forming method are not changed; a transitional protective film layer made of nano composite material is partially sprayed on the surface of the current conducting rod and is 5 micrometers to 20 micrometers in thickness; and a nano composite material layer is applied onto the dried transitional protective film layer and is 20 micrometers to 50 micrometers in thickness. The electrode has consistent resistance and stable voltage, can effectively improve the physical field of the electrolytic tank, so as to improve the vertical magnetic field, reduce the horizontal current and improve the electrolytic flow.
Description
Technical field
The utility model relates to a kind of low voltage electrometallurgy and electrochemical electrode, is used for the electrode field of electrochemistry and electrometallurgy technology.
Background technology
In the electrolyzer of electrochemistry and electrometallurgy, for a long time, graphite is to use electrode materials the most widely; But the graphite porous, bad mechanical strength, and be oxidized to carbonic acid gas easily; In electrolytic process, constantly be corroded and peel off, interelectrode distance is increased gradually, bath voltage raises.Yin, yang two interpole gaps are one of important factors that influence bath voltage, increase with interpole gap, and ohmic voltage drop increases in the groove, and bath voltage raises.Especially when big current work, this voltage loss is even more serious.
In view of not searching out suitable material as yet, inert anode is not used in industry, so still adopt anode carbon block.In the electrometallurgy process, produce carbonic acid gas and CO gas so inevitably, normal on the electrode surface that gas is separated out with bubble, can reduce the worksheet area of electrode; In addition, also can be filled with bubble near the solution electrode, increase solution resistance, this phenomenon is claimed " bubble effect ".Gas is got rid of from the anode bottom fast, reduced the anodic superpotential, thereby can play the effect of saving electric energy, the robust techniques of electrometallurgy industry operation is not arranged at present as yet.
The variable cross-section profiled bar of the present domestic employing of cathode of electrolytic tank, strengthen the material cross-section area and be coated with the TiB coated cathode, because variable cross-section profiled bar difficulty of processing is big, corresponding carbon piece difficulty of processing is also big, and cost is higher, at present high volume applications not as yet; Strengthen the material cross-section area and can reduce ohm voltage drop, but carbon piece size also can increase accordingly, can only play low-resistance effect, cannot improve the physical field of electrolyzer, the effect that improves voltage is not obvious; The TiB coated cathode is more feasible, costs an arm and a leg very much, can't large-scale industrial application.
Summary of the invention
The utility model is not enough to prior art; A kind of low voltage electrometallurgy and electrochemical electrode are proposed; The cathode collector bar surface local adopts spraying technology and nano ceramics technology to be coated with over current protection film and nanometer composite layer, makes the resistance of entire electrode consistent, and voltage is stable; Can effectively improve the physical field of electrolyzer, reach the increase vertical magnetic field, reduce horizontal current and improve electrolytical mobilization.
The technical scheme that the utility model adopted:
A kind of low voltage electrometallurgy and electrochemical electrode; Comprise fluting anode and negative electrode; Said negative electrode comprises cathode block and current conducting rod, offers groove or hole on the cathode block, does not change cathode block size and fluting ditch or hole mode; Adopt nano composite material spraying one deck over current protection rete at the current conducting rod surface local; Said over current protection thicknesses of layers is coated with one deck nanometer composite layer at 5 μ m-20 μ m behind the over current protection rete surface drying again, and said nanometer composite layer thickness is 20 μ m-50 μ m.
Described low voltage electrometallurgy and electrochemical electrode, the fluting anode comprises anode block and anode steel jaw, is not increasing under the long-pending situation of anode block lower external face; On anode block, be provided with the twice blind shape seam consistent with electrolyzer centre joint direction; The about 30mm-60mm of said blind shape seam closedend, width is at 8-12mm, and the degree of depth is at 200mm-300mm; The diameter of said anode steel jaw is φ 150, φ 160, φ 170 or φ 180, and anode steel jaw is divided into three-jaw, four paws, six pawls or eight pawls.
Described low voltage electrometallurgy and electrochemical electrode; It is to carry out the spraying of type cross section, part " U " according to thermograde and horizontal current density that the position of nano composite material spraying is adopted on the current conducting rod surface of the high conduction of high temperature ferrous alloy material; The length of spraying is according to different electrolyzer sizes and difference; " U " type cross section start point distance current conducting rod end 80-150mm, total length is not more than 1000mm.
Described low voltage electrometallurgy and electrochemical electrode, cathode collector bar and/or anode steel jaw can adopt the high conduction of high temperature ferrous alloy material to make, when current conducting rod is installed on the cathode block, and the Graphite Powder 99 of groove or bottom, hole dry laying 0.5-2mm, thickness is wanted evenly.
The beneficial effect of the utility model:
1, the utility model low voltage electrometallurgy and electrochemical electrode; Surface local adopts spraying technology and nano ceramics technology to be coated with one deck over current protection film, and thickness is coated with a kind of nano composite material again at 5 μ m-20 μ m behind the surface drying; Thickness is 20 μ m-50 μ m; Make the resistance one of the entire electrode voltage of making peace stable, can effectively improve the physical field of electrolyzer, reaching increases vertical magnetic field, reduces horizontal current and improve electrolytical mobilization.Cathode collector bar can adopt the high conduction of high temperature ferrous alloy material to make, and forms the high conduction of high temperature ferrous alloy cathode assembly, can reduce electrolytic ohm voltage drop, helps bubble to get rid of from the anode bottom, makes liquid level stabilizing, reduces pole span, thereby reaches low voltage.
2, the utility model low voltage electrometallurgy and electrochemical electrode; Do not increasing under the long-pending prerequisite of anode block lower external face; Through the twice blind shape seam consistent with electrolyzer centre joint direction; Increase the contact area of anode block and ionogen liquation, helped to reduce the anodic thermal stresses, prevented the anode cracking; Also help bubble to get rid of simultaneously, improve the stability and the pressure drop of reduction electrolyzer of electrolyzer from the anode bottom.Through increasing the contact area of anode block and ionogen liquation, simultaneously cutting apart of antianode bottom surface, every anode floorage is dwindled, the bottom center of comprehensive little anode block has reduced the anodic thermal stresses to the distance at edge.
3, the utility model low voltage electrometallurgy and electrochemical electrode, because the specific conductivity of cathode assembly self is high, ohm voltage drop is little; And at high temperature the temperature factor of specific conductivity is less; Therefore can make the physical field of electrolyzer more stable, add that simultaneously the fluting anode reduces air film resistance, can reduce the generation of anodic overvoltage, reduction anodic current density and minimizing anode effect; More than the combined result of two kinds of effects make electrolyte levels stable; Can effectively reduce pole span, pole span and current efficiency change and voltage is stable reaches low voltage production through reducing, thereby reaches the effect of economize on electricity.
4, the utility model low voltage electrometallurgy and electrochemical electrode can reduce anodic actual current density, reduce the generation of anode effect.Because the anodic gas major part is discharged from the centre joint, the air-flow of rising and the ionogen of sinking meet, and the ionogen that sinks has been played the pop-up effect, have prolonged electrolytical dissolution time, have reduced electrolytic deposition.Fluting anode and cathode assembly use capable of being combined also can be used separately, and the physical field that all can change electrometallurgy and electrochemical cell makes liquid level stabilizing, reduce pole span, thereby reach low voltage.
Description of drawings
Fig. 1: the negative electrode sectional view of low voltage electrometallurgy and electrochemical electrode;
Fig. 2: the current conducting rod structural front view of the high conduction of high temperature ferrous alloy material;
Fig. 3: the current conducting rod structure upward view of the high conduction of high temperature ferrous alloy material;
Fig. 4: the current conducting rod structure right view of the high conduction of high temperature ferrous alloy material;
Fig. 5: the anode construction synoptic diagram of low voltage electrometallurgy and electrochemical electrode.
Among Fig. 1～Fig. 4, label 1 is the nano composite material transition layer, and 2 is nano composite material coating, and 3 is the current conducting rod of the high conduction of high temperature ferrous alloy material, and 4 is Graphite Powder 99, and 5 is cathode block;
Among Fig. 5, label 6 is the anode lifting hole(eyelet), and 7 is anode rod, and 8 are aluminum steel blast piece, and 9 is the anode steel jaw of the high conduction of high temperature ferrous alloy material, and 10 is the phosphorus pig iron, and 11 is the carbon bowl, and 12 is anode block.
Embodiment
Embodiment one: referring to Fig. 1～Fig. 4.The utility model low voltage electrometallurgy and electrochemical electrode; Comprise fluting anode and negative electrode, said negative electrode comprises cathode block 5 and current conducting rod 3, under the situation that does not change cathode block size and fluting ditch or hole mode; Adopt nano composite material spraying one deck over current protection rete 1 at current conducting rod 3 surface locals; Said over current protection thicknesses of layers is coated with one deck nanometer composite layer 2 at 5 μ m-20 μ m behind the over current protection rete surface drying again, and said nanometer composite layer thickness is 20 μ m-50 μ m.
Fig. 4 is seen in aforementioned description.Fig. 2 is the current conducting rod structural front view, and Fig. 3 is a current conducting rod structure upward view, and Fig. 4 is a current conducting rod structure right view.
Cathode collector bar can adopt the high conduction of high temperature ferrous alloy material to make; Surface local adopts spraying technology and nano ceramics technology to be coated with one deck over current protection film, and thickness is coated with a kind of nano composite material again at 5 μ m-20 μ m behind the surface drying; Thickness is 20 μ m-50 μ m; Make the resistance one of the entire electrode voltage of making peace stable, can effectively improve the physical field of electrolyzer, reaching increases vertical magnetic field, reduces horizontal current and improve electrolytical mobilization.The high conduction of this high temperature ferrous alloy cathode assembly can reduce electrolytic ohm voltage drop, helps bubble to get rid of from the anode bottom, makes liquid level stabilizing, reduces pole span, thereby reaches low voltage.
The specific conductivity of said high temperature high conduction ferrous alloy cathode assembly in the time of 400 ℃ is about 11.5%IACS or the highest specific conductivity; Specific conductivity in the time of 500 ℃ is about 7.6%IACS or the highest specific conductivity; Its specific conductivity temperature influence is less relatively, is more than the 2.4-3.4 of traditional highquality carbon steel under relevant temperature times; Coefficient of linear expansion in the time of 400 ℃-500 ℃ is respectively the 70%-75% of copper, is the 51%-53% of aluminium.Can be applicable to hot environment, is the specific conductivity that traditional highquality carbon steel material increases 40%-50%, and the carbon dust as if lay 1mm-2mm at trench bottom adopts the ferrous alloy cathode assembly effect of this high temperature high conductivity better.
Embodiment two: referring to Fig. 5; The low voltage electrometallurgy and the electrochemical electrode of present embodiment, different with embodiment one is: said fluting anode comprises anode block 12 and anode steel jaw 9, it is long-pending not increase the anode block lower external face; On anode block, be provided with the twice blind shape seam consistent with electrolyzer centre joint direction; The about 30mm-60mm of said blind shape seam closedend, width is at 8-12mm, and the degree of depth is at 200mm-300mm; Said utmost point steel pawl diameter is φ 150, φ 160, φ 170 or φ 180, and anode steel jaw is divided into three-jaw, four paws, six pawls or eight pawls.
Said anode steel jaw can adopt the high conduction of high temperature ferrous alloy material to make.Among Fig. 5, label 6 is the anode lifting hole(eyelet), and 7 is anode rod, and 8 are aluminum steel blast piece, and 9 is anode steel jaw, and 10 is the phosphorus pig iron, and 11 is the carbon bowl, and 12 is anode block.Said carbon bowl 11 is located at anode block 12 tops, lays phosphorus pig iron material layer in the carbon bowl 11, and anode steel jaw 9 is installed in the carbon bowl at anode block 12 tops through the phosphorus pig iron.
The utility model low voltage electrometallurgy and electrochemical electrode; The fluting anode has increased the contact area of anode block and ionogen liquation; Simultaneously cutting apart of antianode bottom surface, every anode floorage is dwindled, the bottom center of combining anode block little is to the distance at edge; Help to reduce the anodic thermal stresses, prevent the anode cracking; Also help bubble to get rid of in addition, improve the stability and the pressure drop of reduction electrolyzer of electrolyzer from the anode bottom.Reduce the inherent resistance of anode conducting device, reduce current loss.
Embodiment three: referring to Fig. 1; The low voltage electrometallurgy and the electrochemical electrode of present embodiment; Different with embodiment one or embodiment two is: when current conducting rod is installed on the cathode block 3, and the graphite bisque of groove or bottom, hole dry laying 0.5-2mm, said graphite bisque laying depth is even.
The utility model low voltage electrometallurgy and electrochemical electrode; It is to carry out the spraying of type cross section, part " U " according to thermograde and horizontal current density that the position of nano composite material spraying is adopted on the current conducting rod surface; The length of spraying is according to different electrolyzer sizes and difference; " U " type cross section start point distance current conducting rod end 80-150mm, total length is not more than 1000mm.
Claims (6)
1. low voltage electrometallurgy and electrochemical electrode; Comprise fluting anode and negative electrode; Said negative electrode comprises cathode block and current conducting rod, offers groove or hole on the cathode block, it is characterized in that: do not change cathode block size and fluting ditch or hole mode; Adopt nano composite material spraying one deck over current protection rete at said current conducting rod surface local; Said over current protection thicknesses of layers is coated with one deck nanometer composite layer at 5 μ m-20 μ m behind the over current protection rete surface drying again, and said nanometer composite layer thickness is 20 μ m-50 μ m.
2. low voltage electrometallurgy according to claim 1 and electrochemical electrode; It is characterized in that: said fluting anode comprises anode block and anode steel jaw, on anode block, is provided with the twice blind shape seam consistent with electrolyzer centre joint direction, the about 30mm-60mm of said blind shape seam closedend; Width is at 8-12mm; The degree of depth is at 200mm-300mm, and the diameter of said anode steel jaw is φ 150, φ 160, φ 170 or φ 180, and anode steel jaw is divided into three-jaw, four paws, six pawls or eight pawls.
3. low voltage electrometallurgy according to claim 1 and electrochemical electrode; It is characterized in that: it is to carry out the spraying of type cross section, part " U " according to thermograde and horizontal current density that the position of nano composite material spraying is adopted on the current conducting rod surface; The length of spraying is according to different electrolyzer sizes and difference; " U " type cross section start point distance current conducting rod end 80-150mm, total length is not more than 1000mm.
4. low voltage electrometallurgy according to claim 2 and electrochemical electrode; It is characterized in that: it is to carry out the spraying of type cross section, part " U " according to thermograde and horizontal current density that the position of nano composite material spraying is adopted on the current conducting rod surface; The length of spraying is according to different electrolyzer sizes and difference; " U " type cross section start point distance current conducting rod end 80-150mm, total length is not more than 1000mm.
5. according to claim 1～4 each described low voltage electrometallurgy and electrochemical electrode; It is characterized in that: said current conducting rod adopts the high conduction of high temperature ferrous alloy material to make; When current conducting rod is installed on the cathode block, the Graphite Powder 99 of groove or bottom, hole dry laying 0.5-2mm.
6. according to claim 2 or 4 described low voltage electrometallurgy and electrochemical electrodes, it is characterized in that: said anode steel jaw adopts the high conduction of high temperature ferrous alloy material to make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220243136 CN202610344U (en) | 2012-05-28 | 2012-05-28 | Low-voltage electrode for electrometallurgy and electrochemistry |
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| CN 201220243136 CN202610344U (en) | 2012-05-28 | 2012-05-28 | Low-voltage electrode for electrometallurgy and electrochemistry |
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2012
- 2012-05-28 CN CN 201220243136 patent/CN202610344U/en not_active Expired - Fee Related
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| US11591477B2 (en) | 2014-01-30 | 2023-02-28 | Monolith Materials, Inc. | System for high temperature chemical processing |
| US11203692B2 (en) | 2014-01-30 | 2021-12-21 | Monolith Materials, Inc. | Plasma gas throat assembly and method |
| US11939477B2 (en) | 2014-01-30 | 2024-03-26 | Monolith Materials, Inc. | High temperature heat integration method of making carbon black |
| CN110505745A (en) * | 2014-01-31 | 2019-11-26 | 巨石材料公司 | The design of plasma torch |
| US11304288B2 (en) | 2014-01-31 | 2022-04-12 | Monolith Materials, Inc. | Plasma torch design |
| US11987712B2 (en) | 2015-02-03 | 2024-05-21 | Monolith Materials, Inc. | Carbon black generating system |
| US11998886B2 (en) | 2015-02-03 | 2024-06-04 | Monolith Materials, Inc. | Regenerative cooling method and apparatus |
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| US11149148B2 (en) | 2016-04-29 | 2021-10-19 | Monolith Materials, Inc. | Secondary heat addition to particle production process and apparatus |
| US12012515B2 (en) | 2016-04-29 | 2024-06-18 | Monolith Materials, Inc. | Torch stinger method and apparatus |
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| US11760884B2 (en) | 2017-04-20 | 2023-09-19 | Monolith Materials, Inc. | Carbon particles having high purities and methods for making same |
| US12030776B2 (en) | 2017-08-28 | 2024-07-09 | Monolith Materials, Inc. | Systems and methods for particle generation |
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Granted publication date: 20121219 Termination date: 20130528 |