CN101649470B - Cathode lining with aluminum liquid magnetic rotational flow adjusting device - Google Patents
Cathode lining with aluminum liquid magnetic rotational flow adjusting device Download PDFInfo
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- CN101649470B CN101649470B CN 200810147371 CN200810147371A CN101649470B CN 101649470 B CN101649470 B CN 101649470B CN 200810147371 CN200810147371 CN 200810147371 CN 200810147371 A CN200810147371 A CN 200810147371A CN 101649470 B CN101649470 B CN 101649470B
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Abstract
The invention relates to a cathode lining with aluminum liquid magnetic rotational flow adjusting device, which is characterized in that: a cathode lining of a molten pool of an electrolytic tank is provided with an aluminum liquid magnetic rotational flow adjusting device. According to the blocking effect of the aluminum liquid magnetic rotational flow adjusting device, the adverse influence due to the impact fluctuation, caused by the structural design of the electrolytic tank, of magnetic fields and the magnetic rotational flow of an aluminum liquid layer generated in the molten pool of the electrolytic tank on the setting of the electrolyte and the electrolytic polar distance height is eliminated and reduced and reducing influence range of impact strength and fluctuation of the aluminum liquid magnetic rotational flow. Thus, the aims of lowering the setting of the polar distance voltage and reducing electric consumption of the aluminum electrolytic process are achieved.
Description
Technical field: having the aluminum cell cathode inner lining of aluminum liquid magnetic rotational flow adjusting device, is the part of pre-calcining electrolytic cell structure.
Technical background: existing general aluminium cell, formed by cathode inner lining molten bath structure and anode construction two parts.Cathode inner lining is built by laying bricks or stones together with ramming paste with cathode block, cathode steel bar, be built into the molten bath part of aluminium cell with the sidewall carbon brick of electrolyzer, its effect provides a powerful electric current of conduction makes aluminum oxide generate the catholyte molten bath of electrolytic aluminium liquid, the upper surface of cathode molten pool is horizontal plane, it is the groundwork face of realizing electric tank cathode conduction, molten bath function
Existing general bottom surface, aluminium cell molten bath; both the upper surface of cathode inner lining was the horizontal plane design; in electrolytic process; because the proportion of aluminium liquid precipitates downwards greater than ionogen; be attached between electrolysis molten bath cathode inner lining upper surface and the ionogen lower surface, form the layer of aluminum liquid layer, this layer aluminium liquid layer is the conductive layer of negative electrode; also being the protective layer of cathode inner lining upper surface, also is a resistance, magnetic field and the magnetic rotation fluid layer of negative electrode simultaneously.
Product on the inner cathode liner of electrolyzer molten bath becomes aluminium liquid, under the effect in magnetic field, produce powerful aluminum liquid magnetic rotational flow, the pole span that the fluctuation of aluminum liquid magnetic rotational flow and impact cause being made of ionogen changes greatly, make that pole span rising, the voltage drop value setting of electrolyzer are bigger, the aluminum electrolysis technology power consumption increases.
Thisly designed by electrolyzer molten bath cathode inner lining upper surface horizontal structure, the aluminium liquid layer magnetic rotation stream that causes because of magnetic field with aluminium liquid in the aluminium cell molten bath, and the process resistance consumption of being set higher generation by the electrolysis pole span that magnetic rotation stream impact variation causes, both uncontrollable changing factors of electrolysis pole span, the ionogen pole span volts lost power consumption that causes is that domestic and international aluminum electrolysis industry is all in the problem of trying every possible means to solve and a difficult problem.
Summary of the invention: for eliminate with alleviate the electrolyzer molten bath in product become the magnetic rotation stream of aluminium liquid layer, minimizing is because of aluminium liquid layer magnetic rotation stream impact variation, the negative factor influence that the ionogen pole span is increased, reduce the production technique power consumption of electrolytic aluminum, we are according to the practice of being engaged in Aluminum Electrolysis Production for many years, designed the aluminum cell cathode inner lining that has aluminum liquid magnetic rotational flow adjusting device with the principle invention of the design of foundation seashore anti-tide dike and the design of beanstalk ridge, farmland, be characterized on the cathode inner lining of aluminium cell molten bath, produce in the aluminium liquid height layer, according to aluminium liquid capacity in the electrolyzer molten bath, aluminium liquid layer face height, strength of current, distribution of current density, the changes of magnetic field of aluminium liquid, aluminum liquid magnetic rotational flow direction of motion or intensity effect scope, structure is set installs aluminum liquid magnetic rotational flow adjusting device, iris action by aluminum liquid magnetic rotational flow adjusting device, cut off or change, the aluminum liquid magnetic rotational flow direction of motion that produces because of the electrolyzer influence of magnetic field and scope and the intensity of influence of fluctuations reduce or eliminate factor is set in the aluminum liquid magnetic rotational flow fluctuation to ionogen and electrolysis pole span voltage negative impact.
According to above-mentioned design, have the aluminum cell cathode inner lining of aluminum liquid magnetic rotational flow adjusting device, aluminum liquid magnetic rotational flow adjusting device can be made thickener firm by ramming with carbon graphite and directly be made firm by ramming to make on cathode inner lining and form.
According to above-mentioned design, have the aluminum cell cathode inner lining of aluminum liquid magnetic rotational flow adjusting device, aluminum liquid magnetic rotational flow adjusting device is installed on the cathode inner lining after can being processed into parts with the carbon graphite that anti-aluminium liquid ionogen corrodes is prefabricated.
According to above-mentioned design, have the aluminum cell cathode inner lining of aluminum liquid magnetic rotational flow adjusting device, aluminum liquid magnetic rotational flow adjusting device is installed on the cathode inner lining after can being processed into parts with the refractory materials that anti-aluminium liquid ionogen corrodes is prefabricated.
According to above-mentioned design, have the aluminum cell cathode inner lining of aluminum liquid magnetic rotational flow adjusting device, aluminum liquid magnetic rotational flow adjusting device can be made into rectangular block, angle, garden rectangular block, trapezoid block, cylindrical, garden arc annular piece and recessed boss shape.
According to above-mentioned design, the aluminum cell cathode inner lining that has aluminum liquid magnetic rotational flow adjusting device, can be provided with the aluminium liquid through flow hole of up/down perforation between the upper surface of aluminum liquid magnetic rotational flow adjusting device and the bottom surface, the section of its through flow hole can also be circular, rectangle, or garden angular moment shape.
According to above-mentioned design, the aluminum cell cathode inner lining that has aluminum liquid magnetic rotational flow adjusting device, aluminum liquid magnetic rotational flow adjusting device can be arranged in parallel along centerline direction on cathode lining of electrolytic bath, is arranged vertically, arranged crosswise, can carry out that the part is arranged at interval or whole the connection arranges.
The advantage of this invention is: on the cathode inner lining of electrolyzer molten bath, magnetic rotational flow adjusting device on the installation constitution, can be by the iris action of aluminum liquid magnetic rotational flow adjusting device, with cutting off or intercept the flow direction that changes aluminum liquid magnetic rotational flow, alleviate the mode of aluminum liquid magnetic rotational flow shock strength and influence of fluctuations scope, elimination and minimizing are because of the cell construction design, produce into the magnetic field of aluminium liquid layer and magnetic rotation stream in the electrolyzer molten bath of causing and impact the negative impact that fluctuation brings ionogen and electrolysis pole span height setting, reach and reduce the setting of pole span voltage, realize reducing the purpose of aluminum electrolysis technology power consumption.
Description of drawings:
Fig. 1: the master who has the aluminum cell cathode inner lining of aluminum liquid magnetic rotational flow adjusting device looks sectional drawing
Fig. 2: be the cathode inner lining upper surface vertical view of Fig. 1
Fig. 3: the sectional drawing of the aluminum liquid magnetic rotational flow adjusting device that a kind of usefulness ramming paste is directly constructed on cathode inner lining
Fig. 4: a kind of aluminum liquid magnetic rotational flow adjusting device rectangular configuration front view:
Fig. 5: Fig. 4 side-view;
A kind of aluminum liquid magnetic rotational flow adjusting device of Fig. 6 is the ring structure plan view from above:
Fig. 7: Fig. 4 side-view
Fig. 8: the master of through-hole structure looked sectional drawing about a kind of aluminum liquid magnetic rotational flow adjusting device rectangular configuration had,
Fig. 9: be the plan view from above of Fig. 8
Among its figure shown in the sequence number: 1 aluminum liquid magnetic rotational flow adjusting device, 2 cathode blocks, 3 cathode steel bars, 4 ramming pastes, 5 cathode inner linings, 6 aluminium liquid, 7 ionogen, 8 thermal insulation fire-resistant layers, 9, sidewall carbon brick, 10 Steel Sheels.
Specific embodiments: the aluminum cell cathode inner lining (5) that has aluminum liquid magnetic rotational flow adjusting device is in aluminium cell Steel Sheel (10), more than the thermal insulation fire-resistant layer (8), in the middle of the sidewall carbon brick by cathode block (2) and cathode steel bar (3) with ramming paste (4) make firm by ramming build by laying bricks or stones form after, as shown in Figure 1, on aluminium cell molten bath cathode inner lining (5), produce in aluminium liquid (6) height layer, according to aluminium liquid (6) capacity in the electrolyzer molten bath, aluminium liquid (6) aspect height, strength of current, distribution of current density, the changes of magnetic field of aluminium liquid (6), aluminium liquid (6) magnetic rotation stream direction of motion or intensity effect scope, structure is set installs aluminum liquid magnetic rotational flow adjusting device (1), iris action by aluminum liquid magnetic rotational flow adjusting device, cut off or change, aluminium liquid (6) the magnetic rotation stream direction of motion that produces because of the electrolyzer influence of magnetic field and scope and the intensity of influence of fluctuations reduce or eliminate factor is set in the aluminum liquid magnetic rotational flow fluctuation to ionogen (7) and electrolysis pole span voltage negative impact.
As shown in Figure 3, aluminum liquid magnetic rotational flow adjusting device (1) can directly be made firm by ramming with the carbon element of graphite ramming mixture and is configured on the cathode inner lining (5).
The prefabricated block parts that is processed into of the available carbon element of graphite of aluminum liquid magnetic rotational flow adjusting device (1), again with ramming paste or carbon paste mud fixture construction on cathode inner lining (5),
Material proportions such as the available silicon nitride combined silicon carbide of aluminum liquid magnetic rotational flow adjusting device (1), carborundum, high alumina corundum, zircon become the high temperature resistant anti-aluminium liquid potential resistance to electrolyte contamination of the proportion of aluminium liquid (6) to corrode greater than the product in the electrolyzer molten bath the prefabricated block parts that is processed into of refractory materials, installation constitution is on cathode inner lining (5) again.
The rectangle that magnetic rotational flow adjusting device 1 can be configured to, band garden angular moment shape, trapezoidal, cylindrical, the annular shape in garden, the face of going to the bottom that aluminium is tucked in aluminum liquid magnetic rotational flow adjusting device (1) can be configured to the plane, also can be configured to concavo-convex platform trough type.
Shown in Figure 9 as Fig. 8, can be provided with the aluminium liquid through flow hole of up/down perforation between the upper surface of aluminum liquid magnetic rotational flow adjusting device (1) and the bottom surface, the section of its through flow hole can also be rectangle, or half garden rectangle.
As shown in Figure 2, aluminum liquid magnetic rotational flow adjusting device (1) can be arranged in parallel along centerline direction on cathode lining of electrolytic bath (5), is arranged vertically, arranged crosswise, can carry out that the part is arranged at interval or whole the connection arranges.Aluminum liquid magnetic rotational flow adjusting device (1) is after electrolysis molten bath negative electrode (5) is gone up installation constitution, shown in Fig. 1 figure, product on the inner cathode liner of electrolysis molten bath becomes aluminium liquid (6) to circulate at aluminum liquid magnetic rotational flow adjusting device (1) on every side, the metastable aluminium liquid layer of aluminium liquid 2 motions of setting device (1) upper surface portion.
Claims (3)
1. the aluminum cell cathode inner lining that has aluminum liquid magnetic rotational flow adjusting device, this cathode inner lining are built by laying bricks or stones with ramming paste (4) by cathode block (2) and cathode steel bar (3) and are formed, and it is characterized in that; On aluminum cell cathode inner lining (5), produce in aluminium liquid (6) height layer, be equipped be processed into block parts with carbon graphite is prefabricated after, the aluminum liquid magnetic rotational flow adjusting device on cathode inner lining (5) with ramming paste or carbon paste mud fixture construction again, or with proportion greater than after producing in the electrolyzer molten bath that refractory materials that aluminium liquid (6) proportion and anti-aluminium liquid ionogen corrode is prefabricated and being processed into block parts, be installed in the aluminum liquid magnetic rotational flow adjusting device on the cathode inner lining (5) again; This aluminum liquid magnetic rotational flow adjusting device (1) is arranged in parallel at cathode lining of electrolytic bath (5) upper edge centerline direction, is arranged vertically, arranged crosswise, local arrange at interval or whole the connection arranges.
2. the aluminum cell cathode inner lining that has aluminum liquid magnetic rotational flow adjusting device according to claim 1, it is characterized in that: aluminum liquid magnetic rotational flow adjusting device (1) is made into rectangular block, trapezoid block, cylinder shape, circular arc-like block or recessed boss shape piece.
3. the aluminum cell cathode inner lining that has aluminum liquid magnetic rotational flow adjusting device according to claim 1 is characterized in that: be provided with the aluminium liquid opening of up/down perforation between the upper surface of aluminum liquid magnetic rotational flow adjusting device (1) and the bottom surface, the section of its opening is circle, rectangle or round rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810147371 CN101649470B (en) | 2008-08-12 | 2008-08-12 | Cathode lining with aluminum liquid magnetic rotational flow adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810147371 CN101649470B (en) | 2008-08-12 | 2008-08-12 | Cathode lining with aluminum liquid magnetic rotational flow adjusting device |
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| CN101649470A CN101649470A (en) | 2010-02-17 |
| CN101649470B true CN101649470B (en) | 2013-09-11 |
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| CN 200810147371 Active CN101649470B (en) | 2008-08-12 | 2008-08-12 | Cathode lining with aluminum liquid magnetic rotational flow adjusting device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103305868B (en) * | 2013-05-20 | 2016-03-30 | 中南大学 | A kind of aluminium cell slowing down melt fluctuation antiscour |
| CN113529138A (en) * | 2021-05-13 | 2021-10-22 | 西北矿冶研究院 | Method and device for reducing fluoride in aluminum electrolysis process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4495047A (en) * | 1981-06-25 | 1985-01-22 | Alcan International Limited | Electrolytic reduction cells |
| CN101054691A (en) * | 2007-03-02 | 2007-10-17 | 冯乃祥 | Abnormal cathode carbon block structure aluminum electrolysis bath |
| CN201049966Y (en) * | 2007-05-23 | 2008-04-23 | 冯乃祥 | Abnormal structure cathode carbon block of aluminum electrolysis bath |
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2008
- 2008-08-12 CN CN 200810147371 patent/CN101649470B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4495047A (en) * | 1981-06-25 | 1985-01-22 | Alcan International Limited | Electrolytic reduction cells |
| CN101054691A (en) * | 2007-03-02 | 2007-10-17 | 冯乃祥 | Abnormal cathode carbon block structure aluminum electrolysis bath |
| CN201049966Y (en) * | 2007-05-23 | 2008-04-23 | 冯乃祥 | Abnormal structure cathode carbon block of aluminum electrolysis bath |
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| CN101649470A (en) | 2010-02-17 |
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