CN204570057U - The cathode steel bar structure that a kind of current-sharing is energy-conservation - Google Patents
The cathode steel bar structure that a kind of current-sharing is energy-conservation Download PDFInfo
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- CN204570057U CN204570057U CN201520246280.4U CN201520246280U CN204570057U CN 204570057 U CN204570057 U CN 204570057U CN 201520246280 U CN201520246280 U CN 201520246280U CN 204570057 U CN204570057 U CN 204570057U
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Abstract
The utility model discloses the cathode steel bar structure that a kind of current-sharing is energy-conservation, mainly comprise cathode carbon pieces and be embedded in the conduction rod iron in cathode carbon pieces, the length of described conduction rod iron is 1800-2200mm, width is 90-120mm, be highly 180-200mm, paste at the electricity output side of conduction rod iron or brush and have equal fluid layer, described equal fluid layer is made up of insulating material, and described equal fluid layer is trilateral or rectangle.The size of the utility model to conduction rod iron limits, paste at the electricity output side of conduction rod iron or brush simultaneously and have equal fluid layer, to reduce and evenly in aluminium liquid and negative electrode while horizontal current, the adjustment that horizontal current reduces amplitude can also be realized, can hearth and bottom be reduced simultaneously, electrolyzer can be run by efficient stable at lower voltages, can significantly reduce aluminium cell energy consumption, there is significant energy-saving effect, and uniform cathode current distribution, can effective Service Life of Aluminum Reduction Cells.
Description
Technical field
The utility model relates to a kind of aluminum cell cathode steel bar structure, particularly relates to the cathode steel bar structure that a kind of current-sharing is energy-conservation.
Background technology
In traditional aluminium cell, electric current enters downwards in groove through anode, by fused electrolyte and aluminium liquid, arrive cathode carbon pieces, to be connected with by cathode paste or the phosphorus pig iron and level embeds and confluxes rod iron from electrolyzer both sides out in cathode carbon pieces through charcoal block again, to enter next groove by negative busbar.Under such configuration, because electric current always can flow through the minimum path of resistance, make the most electric current of 1/3rd loads close to steel bar current outlet side, cause producing a large amount of horizontal currents in aluminium liquid layer, aluminium liquid layer and cathode carbon pieces distribution of current inequality are higher the closer to current output terminal current density.And horizontal current larger in aluminium liquid can produce electromagnetic force under the influence of a magnetic field, increase the unstable of electrolyzer, reduce current efficiency, increase power consumption; The uneven meeting of distribution of current in cathode carbon pieces causes charcoal block to be easily corroded, and reduces cell life.At present along with the maximization of electrolyzer, the increase of electrolyzer width, more horizontal current can be caused to exist and cathode current distribution uneven.Although the magnetic field of large-scale groove is optimised constantly, the progress rolling up development and the aluminum i ndustry technology that still can restrict large-scale groove of horizontal current.
Utility model content
In order to solve the problems of the technologies described above, the cathode steel bar structure that the utility model provides a kind of current-sharing energy-conservation, this rod iron structure can reduce the horizontal current in aluminium liquid and negative electrode, and cathodic current is uniformly distributed, improve electrolyzer stability, electrolyzer can be run by efficient stable at lower voltages; Reduce hearth and bottom simultaneously, realize energy-saving and cost-reducing.
The purpose of this utility model carrys out specific implementation by the following technical programs:
The cathode steel bar structure that a kind of current-sharing is energy-conservation, mainly comprise cathode carbon pieces and be embedded in the conduction rod iron in cathode carbon pieces, the length of described conduction rod iron is 1800-2200mm, and width is 90-120mm, be highly 180-200mm, pasting at the electricity output side of conduction rod iron or brush has equal fluid layer.
Further, described equal fluid layer is made up of insulating material.
Further, the length of described conduction rod iron is preferably 2100mm, and width is preferably 120mm, is highly preferably 198mm.
Further, the length of described conduction rod iron is preferably 1800mm, and width is preferably 90mm, is highly preferably 200mm.
Further, described equal fluid layer is positioned at two sides and the upper surface at the 380mm place of conduction rod iron current output terminal.
Further, described equal fluid layer is trilateral or rectangle.
The cathode steel bar structure that a kind of current-sharing of the utility model is energy-conservation, the limitation of size of conduction rod iron is existed: length is 1800-2200mm, width is 90-120mm, be highly 180-200mm, paste at the electricity output side of conduction rod iron or brush simultaneously and have equal fluid layer, in reduction and even aluminium liquid and negative electrode while horizontal current, the adjustment that horizontal current reduces amplitude can also be realized, hearth and bottom can be reduced simultaneously, electrolyzer can be run by efficient stable at lower voltages, can significantly reduce aluminium cell energy consumption, there is significant energy-saving effect, and uniform cathode current distributes, can effective Service Life of Aluminum Reduction Cells.
Accompanying drawing explanation
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is the structural representation of the energy-conservation cathode steel bar constructive embodiment 1 of a kind of current-sharing of the utility model;
Fig. 2 is the structural representation of the energy-conservation cathode steel bar constructive embodiment 2 of a kind of current-sharing of the utility model;
Fig. 3 is the vertical view of Fig. 1, Fig. 2.
In figure: 1-cathode carbon pieces; 2-conducts electricity rod iron; The equal fluid layer of 3-.
Embodiment
embodiment 1
As Fig. 1, shown in Fig. 3, the cathode steel bar structure that a kind of current-sharing described in the utility model embodiment is energy-conservation, the cathode steel bar structure that a kind of current-sharing is energy-conservation, mainly comprise cathode carbon pieces 1 and be embedded in the conduction rod iron 2 in cathode carbon pieces 1, the length of conduction rod iron 2 is 2100mm, width 120mm, be highly 198mm, brush at the electricity output side of conduction rod iron 2 and have equal fluid layer 3, equal fluid layer 3 is positioned at two sides and the upper surface at the 380mm place of conduction rod iron 2 current output terminal, the equal fluid layer of two sides is be multiplied by the high trilateral for 550mm × 198mm the end, equal fluid layer is made up of insulating material, it can be high temperature resistance insulating paint, concrete material is lapis amiridis, equal fluid layer 3 also can adopt bonding mode to be bonded on conduction rod iron 2, now bonding material is high temperature resistance stupalith.
Cathode current density of aluminium-electrolytic cell=I(strength of current) cross-sectional area of all cathode steel bars of/S(), unit is A/cm
2.In theory in order to reduce hearth and bottom, sectional area is the bigger the better, and in currently available technology, cathode current density of aluminium-electrolytic cell optimal design scope is: 15 ~ 20A/cm
2.
400kA aluminium cell has 104 conduction rod irons, the present embodiment is improved by original 400kA aluminium cell, original 400kA aluminium cell conduction rod iron is of a size of 2100mm × 96mm × 180mm, calculates cathode steel bar current density=400000A/9.6*18*104=22.25 A/cm
2, be not obviously optimum value.
And the present embodiment is conducted electricity the size adjusting of rod iron is 2100mm × 120mm × 198mm, the cathode steel bar current density=400000A/12*19.8*104=16.18 A/cm calculated
2, meet the optimum value scope of design at present, effectively reduce hearth and bottom, and brush equal fluid layer 2 at the electricity output side of conduction rod iron 2, thus change cathode resistor, force cathodic current predeterminedly to flow through according to artificial, to reduce the generation of horizontal current in electrolyzer, uniform cathode current.The present embodiment has more excellent effect relative to prior art.
embodiment 2
As shown in Figure 2 and Figure 3, the present embodiment is substantially identical with the embodiment of embodiment 1, difference is: the present embodiment improves the carrying out of existing 200kA aluminium cell conduction rod iron, the length of the conduction rod iron 2 after improvement is 1800mm, width 90mm, be highly 200mm, equal fluid layer 3 is bonded with at the electricity output side of conduction rod iron 2, equal fluid layer 3 is positioned at two sides and the upper surface at the 380mm place of conduction rod iron 2 current output terminal, the equal fluid layer of two sides is the long rectangle being multiplied by wide 200 × 500mm, equal fluid layer is made up of insulating material, is specially high temperature resistance stupalith.
Original 200kA aluminium cell conduction rod iron is of a size of 1800mm × 65mm × 180mm, be improved to 1800mm × 90mm × 200mm, and bonding equal fluid layer, cathode current density of aluminium-electrolytic cell is made to meet optimum value requirement, effectively reduce hearth and bottom, reduce the generation of horizontal current in electrolyzer, the present embodiment has more excellent effect relative to prior art.
embodiment 3
The present embodiment is substantially identical with the embodiment of embodiment 2, difference is: the present embodiment improves the carrying out of existing 300kA aluminium cell conduction rod iron, the length of the conduction rod iron 2 after improvement is 2000mm, width 110mm, be highly 180mm, the present embodiment effectively reduces hearth and bottom relative to prior art, reduces the generation of horizontal current in electrolyzer, has more excellent effect.
embodiment 4
The present embodiment is substantially identical with the embodiment of embodiment 1, difference is: the present embodiment improves the carrying out of existing 500kA aluminium cell conduction rod iron, the length of the conduction rod iron 2 after improvement is 2100mm, width 120mm, be highly 200mm, the present embodiment effectively reduces hearth and bottom relative to prior art, reduces the generation of horizontal current in electrolyzer, has more excellent effect.
embodiment 5
The present embodiment is substantially identical with the embodiment of embodiment 1, difference is: the present embodiment improves the carrying out of existing 600kA aluminium cell conduction rod iron, the length of the conduction rod iron 2 after improvement is 2200mm, width 120mm, be highly 200mm, the present embodiment effectively reduces hearth and bottom relative to prior art, reduces the generation of horizontal current in electrolyzer, has more excellent effect.
The utility model improves for the structure of aluminium cell to its conduction rod iron of different model, be specially and conduction rod iron is increased and/or widened, simultaneously bonding in conduction rod iron electricity output side corresponding position or brush equal fluid layer, make the utility model in reduction and evenly in aluminium liquid and negative electrode while horizontal current, the adjustment that horizontal current reduces amplitude can also be realized, hearth and bottom can be reduced, electrolyzer can be run by efficient stable at lower voltages, can significantly reduce aluminium cell energy consumption, there is significant energy-saving effect, and uniform cathode current distributes, can effective Service Life of Aluminum Reduction Cells.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; for a person skilled in the art; it still can regulate the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the cathode steel bar structure that a current-sharing is energy-conservation, mainly comprise cathode carbon pieces and be embedded in the conduction rod iron in cathode carbon pieces, it is characterized in that: the length of described conduction rod iron is 1800-2200mm, width is 90-120mm, be highly 180-200mm, pasting at the electricity output side of conduction rod iron or brush has equal fluid layer.
2. the cathode steel bar structure that a kind of current-sharing according to claim 1 is energy-conservation, is characterized in that: described equal fluid layer is made up of insulating material.
3. the cathode steel bar structure that a kind of current-sharing according to claim 1 is energy-conservation, is characterized in that: the length of described conduction rod iron is preferably 2100mm, and width is preferably 120mm, is highly preferably 198mm.
4. the cathode steel bar structure that a kind of current-sharing according to claim 1 is energy-conservation, is characterized in that: the length of described conduction rod iron is preferably 1800mm, and width is preferably 90mm, is highly preferably 200mm.
5. the cathode steel bar structure that a kind of current-sharing according to claim 1-4 any one is energy-conservation, is characterized in that: described equal fluid layer is positioned at two sides and the upper surface at the 380mm place of conduction rod iron current output terminal.
6. the cathode steel bar structure that a kind of current-sharing according to claim 1-4 any one is energy-conservation, is characterized in that: described equal fluid layer is trilateral or rectangle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326398A (en) * | 2017-06-15 | 2017-11-07 | 山西亮宇炭素有限公司 | A kind of cathode carbon pieces component and its preparation technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326398A (en) * | 2017-06-15 | 2017-11-07 | 山西亮宇炭素有限公司 | A kind of cathode carbon pieces component and its preparation technology |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 832014 weft five road No. 1, North Industrial Park, Shihezi Development Zone, Shihezi, the Xinjiang Uygur Autonomous Region Patentee after: Xinjiang production and Construction Corps eighth division Tianshan aluminum Limited by Share Ltd Address before: 832000 weft five road, Shihezi, the Xinjiang Uygur Autonomous Region, 1 Patentee before: THE EIGHTH AGRICULTURAL DIVISION OF XINJIANG PRODUCTION AND CONSTRUCTION CORPS TIANSHAN ALUMINUM INDUSTRY CO., LTD. |
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| CP03 | Change of name, title or address |