CN203855662U - Cathode structure capable of reducing horizontal current of molten aluminum - Google Patents
Cathode structure capable of reducing horizontal current of molten aluminum Download PDFInfo
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- CN203855662U CN203855662U CN201420243387.9U CN201420243387U CN203855662U CN 203855662 U CN203855662 U CN 203855662U CN 201420243387 U CN201420243387 U CN 201420243387U CN 203855662 U CN203855662 U CN 203855662U
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- cathode
- resettlement section
- cathode carbon
- carbon pieces
- steel bar
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Abstract
The utility model provides a cathode structure capable of reducing the horizontal current of molten aluminum. The cathode structure comprises a cathode carbon block and a cathode steel bar fixedly embedded at the bottom of the cathode carbon block, wherein the cathode steel bar comprises a main body portion accommodated inside the cathode carbon block, right and left ends of the main body portion respectively recess toward the center direction of the main body portion to form an accommodation portion, right and left ends of the main body portion are divided into a left upper end, a left lower end, a right upper end and a right lower end by virtue of the accommodation portion, an insulating paste is respectively arranged between the left lower end and the cathode carbon block, the right lower end and the cathode carbon block and inside the accommodation portion and conductive pastes are arranged between the other pars, except the left lower end, right lower end and the accommodation portion, of the main body portion and the cathode carbon block, the cathode steel bar is fixedly connected to the cathode carbon by virtue of the conductive pastes. Compared with the prior art, the cathode structure disclosed by the utility model has the beneficial effects that the horizontal current is effectively reduced, the stability of the magnetofluid in an electrolytic cell is preferable and the energy consumption is relatively low.
Description
[technical field]
The utility model relates to aluminium cell technical field, relates in particular to a kind of cathode construction that reduces aluminum liquid horizontal electric current.
[background technology]
Conventional aluminum electrolysis process, since coming out, always has been unique economically viable method of producing metallic aluminium.In technological process, strong dc electricity passes through aluminium guide bar, anode, ionogen, aluminium liquid, cathode construction and bus-bar system successively.
The cathode construction of correlation technique comprises cathode carbon pieces, cathode steel bar and pricks solid paste, cathode steel bar comprises that the main part and the autonomous body two ends that are embedded at cathode carbon pieces bottom extend respectively two current output terminals outside cathode carbon pieces, pricks solid paste and is placed between cathode steel bar and cathode carbon pieces in order to fixed negative pole charcoal piece and cathode steel bar.Because the resistance of aluminium liquid is less than the resistance of cathode carbon pieces, when electric current process aluminium liquid, can in aluminium liquid, there is larger deflection, cause in aluminium liquid horizontal current larger, and horizontal current in aluminium liquid can form with magnetic field interaction the electromagnetic force of vertical direction, cause the significantly fluctuation up and down of aluminium liquid, reduce the stability of effective pole span and electrolyzer magnetic fluid, simultaneously, effectively pole span reduces, and the spacing of aluminium liquid and anode reduces, the CO that can cause anode to produce
2chemical reaction with aluminium in aluminium liquid, cause the loss of aluminium, thereby will maintain the normal stably manufactured of electrolyzer, must keep relatively suitable effective pole span, thereby in the time that metal wave amplitude is larger, the operating voltage that must improve electrolyzer is to maintain suitable effective pole span, and the raising of operating voltage can bring the useless consumption of large energy, causes energy consumption higher, therefore, the cathode construction of correlation technique exists horizontal current larger, and hydromagnetic stability is poor, the deficiency that energy consumption is higher.
Therefore, be necessary in fact to provide a kind of new cathode construction that reduces aluminum liquid horizontal electric current to overcome above-mentioned technical problem.
[utility model content]
Technical problem to be solved in the utility model is to provide that a kind of horizontal current is less, and hydromagnetic stability is better, the cathode construction of what energy consumption was lower reduce aluminum liquid horizontal electric current.
A kind of cathode construction that reduces aluminum liquid horizontal electric current of the utility model, comprise cathode carbon pieces and be embedded the cathode steel bar that is fixed on described cathode carbon pieces bottom, described cathode steel bar comprises the main part being contained in described cathode carbon pieces, the two ends, left and right of described main part are recessed to form resettlement section towards the center position of described main part respectively, the two ends, left and right of described main part are separated into end, upper left by described resettlement section, end, lower-left and end, upper right, end, bottom right, described cathode steel bar also comprises by end, described lower-left, the current output terminal that bottom righthand side portion extends towards the direction away from described cathode carbon pieces respectively, between end, described lower-left and cathode carbon pieces, between end, described bottom right and cathode carbon pieces and be equipped with insulation paste in described resettlement section, between the other parts except end, lower-left, end, bottom right and resettlement section of described main part and described cathode carbon pieces, be equipped with conducting paste, described conducting paste is fixedly linked described cathode steel bar and described cathode carbon pieces.
Preferably, the length of described resettlement section is described main part length 1/7～1/4.
Preferably, the height of described resettlement section is 5mm～15mm.
Preferably, described resettlement section is square.
Preferably, described resettlement section is that the angle of angle, end, described upper right and the end, described bottom right of trilateral and end, described upper left and end, described lower-left is 15 °～30 °.
Preferably, described insulation paste is that SiC epoxy resin mix insulation is stuck with paste.
Preferably, described conducting paste is carbon element electroconductive paste.
Compared with correlation technique, the beneficial effects of the utility model are, effectively reduce horizontal current, and electrolyzer hydromagnetic stability is better, and energy consumption is lower.
[brief description of the drawings]
Fig. 1 is the utility model cathode steel bar schematic perspective view;
Fig. 2 is the local enlarged diagram of the utility model;
Fig. 3 is the utility model cathode construction part schematic diagram;
Fig. 4 is the utility model cathode construction schematic diagram;
Fig. 5 is the another embodiment cathode construction of the utility model part schematic diagram;
Fig. 6 is the another embodiment cathode construction of the utility model schematic diagram.
[embodiment]
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
As Figure 1-Figure 4, a kind of cathode construction that reduces aluminum liquid horizontal electric current of the utility model comprises cathode carbon pieces 1 and is embedded the cathode steel bar 2 being fixed in cathode carbon pieces 1.Cathode steel bar 2 comprises the main part 21 being contained in cathode carbon pieces 1, the two ends, left and right of this main part 21 are recessed to form resettlement section 212,212 ' towards the center position of described main part 21 respectively, and this resettlement section 212,212 ' is separated into end, upper left 211, end, lower-left 213 and end, upper right 211 ', end, bottom right 213 ' by main part 21 two ends, left and right respectively.Cathode steel bar 2 also comprises from end, lower-left 213 and end, bottom right 213 ' two current output terminals 22 that court extends away from cathode carbon pieces 1 direction respectively.Identical length of this resettlement section 212,212 ', end, upper left 211, end, lower-left 213 and end, upper right 211 ', end, bottom right 213 ' etc.Between 213 cathode carbon pieces 1 of end, lower-left, between end, bottom right 213 ' and cathode carbon pieces 1, be equipped with insulation paste 4 in resettlement section 212,212 ', between the other parts except end, aforementioned lower-left 213, end, bottom right 213 ', resettlement section 212,212 ' of main part 21 and described cathode carbon pieces 1, be equipped with conducting paste 3, by this conducting paste 3, cathode steel bar 2 be fixed on to cathode carbon pieces 1 bottom.
By the design of aforementioned cathode construction, between the end, lower-left 213 and cathode carbon pieces at cathode steel bar 2 two ends, left and right, between end, bottom right 213 ' and cathode carbon pieces, resettlement section 212,212 ' is equipped with insulation paste 4, thereby increase the resistance at cathode steel bar 2 two ends, left and right, comparatively speaking, the resistance at cathode steel bar 2 middle parts is lower, and then guide the electric current in aluminium liquid to gather to cathode block 1 middle part, finally realize reducing of horizontal current in aluminium liquid, the stability of electrolyzer magnetic fluid improves, the reduction of electrolyzer energy consumption.
In the present embodiment, resettlement section 212,212 ' length be the main part 21 of cathode steel bar 2 length 1/7～1/4, be highly 5mm～15mm, profile is square, the height of this end, upper left 211, end, upper right 211 ' is 20mm～50mm, the height of this end, lower-left 213, end, bottom right 213 ' is 150mm～250mm, and this insulation paste 4 is that SiC epoxy resin mix insulation is stuck with paste, and this conducting paste 3 is carbon element electroconductive paste.Thus, can more effectively guide the electric current in aluminium liquid to gather to cathode block 1 middle part, further reduce horizontal current in aluminium liquid, improve the stability of electrolyzer magnetic fluid, reduce the energy consumption of electrolyzer.
As Fig. 5, shown in Fig. 6, the difference of another embodiment of the present utility model and previous embodiment is, the resettlement section 51 at cathode steel bar 5 two ends, left and right, the angle a of 52 triangular in shape and ends, upper left 53 and lower-left end portion 54, end, upper right 55 is 15 °～30 ° with the angle a of end, bottom right 56, this resettlement section 51, 52 maximum height is 5mm～15mm, the scope setting of this angle is according to resettlement section 51, 52 length and cathode carbon pieces 6 are to end, upper left 53, the pressure of end, upper right 55 and drawing, end, upper left 53 outside this angle a scope, end, upper right 55 is subject to the impact of stress and ruptures, the two ends, left and right of cathode steel bar 5 are trapezoidal insulation paste 4 and design, can effectively guide the electric current in aluminium liquid to gather towards cathode block 6 middle parts, finally realize reducing of horizontal current in aluminium liquid, the raising of electrolyzer hydromagnetic stability, the reduction of electrolyzer energy consumption.
It should be noted that the utility model does not limit the shape of resettlement section, under the prerequisite that does not depart from the utility model creation design, can also be changed to and aforementioned square, the similar shape of trilateral.
Compared with correlation technique, the beneficial effects of the utility model are, effectively reduce horizontal current, and electrolyzer hydromagnetic stability is better, and energy consumption is lower.
Above-described is only embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art at this, do not departing under the prerequisite of the utility model creation design; can also make improvement, but these all belong to protection domain of the present utility model.
Claims (7)
1. one kind reduces the cathode construction of aluminum liquid horizontal electric current, comprise cathode carbon pieces and be embedded the cathode steel bar that is fixed on described cathode carbon pieces bottom, it is characterized in that: described cathode steel bar comprises the main part being contained in described cathode carbon pieces, the resettlement section being recessed to form towards the center position of described main part respectively by the two ends, left and right of described main part, the two ends, left and right of described main part are separated into end, upper left, end, lower-left and end, upper right, end, bottom right by described resettlement section; Described cathode steel bar also comprises the current output terminal being extended towards the direction away from described cathode carbon pieces respectively by end, described lower-left, bottom righthand side portion; Between end, described lower-left and cathode carbon pieces, between end, described bottom right and cathode carbon pieces and be equipped with insulation paste in described resettlement section, between the other parts except end, lower-left, end, bottom right and resettlement section of described main part and described cathode carbon pieces, be equipped with conducting paste, described conducting paste is fixedly linked described cathode steel bar and described cathode carbon pieces.
2. the cathode construction that reduces aluminum liquid horizontal electric current according to claim 1, is characterized in that: the length of described resettlement section is described main part length 1/7～1/4.
3. the cathode construction that reduces aluminum liquid horizontal electric current according to claim 2, is characterized in that: the height of described resettlement section is 5mm～15mm.
4. the cathode construction that reduces aluminum liquid horizontal electric current according to claim 3, is characterized in that: described resettlement section is square.
5. the cathode construction that reduces aluminum liquid horizontal electric current according to claim 3, is characterized in that: described resettlement section is that the angle of angle, end, described upper right and the end, described bottom right of trilateral and end, described upper left and end, described lower-left is 15 °～30 °.
6. according to the cathode construction that reduces aluminum liquid horizontal electric current described in claim 4 or 5, it is characterized in that: described insulation paste is that SiC epoxy resin mix insulation is stuck with paste.
7. the cathode construction that reduces aluminum liquid horizontal electric current according to claim 6, is characterized in that: described conducting paste is carbon element electroconductive paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243387.9U CN203855662U (en) | 2014-05-14 | 2014-05-14 | Cathode structure capable of reducing horizontal current of molten aluminum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243387.9U CN203855662U (en) | 2014-05-14 | 2014-05-14 | Cathode structure capable of reducing horizontal current of molten aluminum |
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| Publication Number | Publication Date |
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| CN203855662U true CN203855662U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420243387.9U Expired - Fee Related CN203855662U (en) | 2014-05-14 | 2014-05-14 | Cathode structure capable of reducing horizontal current of molten aluminum |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190280A (en) * | 2016-03-15 | 2017-09-22 | 中冶天工集团有限公司 | Cathode steel bar processing and assemble method that golden section point is cracked |
| CN110526714A (en) * | 2019-09-29 | 2019-12-03 | 中钢集团耐火材料有限公司 | A kind of aluminium electrolytic cell cathode silicon carbide ramming paste and preparation method thereof |
-
2014
- 2014-05-14 CN CN201420243387.9U patent/CN203855662U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190280A (en) * | 2016-03-15 | 2017-09-22 | 中冶天工集团有限公司 | Cathode steel bar processing and assemble method that golden section point is cracked |
| CN107190280B (en) * | 2016-03-15 | 2019-05-31 | 中冶天工集团有限公司 | The cathode steel bar processing and assemble method that golden section point is cracked |
| CN110526714A (en) * | 2019-09-29 | 2019-12-03 | 中钢集团耐火材料有限公司 | A kind of aluminium electrolytic cell cathode silicon carbide ramming paste and preparation method thereof |
| CN110526714B (en) * | 2019-09-29 | 2021-11-19 | 中钢洛耐科技股份有限公司 | Silicon carbide ramming paste for aluminum electrolysis cell cathode and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20160514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |