CN103184475A - Control method for clearing up furnace hearth of aluminum cell - Google Patents
Control method for clearing up furnace hearth of aluminum cell Download PDFInfo
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- CN103184475A CN103184475A CN2011104589897A CN201110458989A CN103184475A CN 103184475 A CN103184475 A CN 103184475A CN 2011104589897 A CN2011104589897 A CN 2011104589897A CN 201110458989 A CN201110458989 A CN 201110458989A CN 103184475 A CN103184475 A CN 103184475A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 148
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 40
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims abstract description 11
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims description 138
- 239000003517 fume Substances 0.000 claims description 68
- 239000007789 gas Substances 0.000 claims description 68
- 239000003792 electrolyte Substances 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 abstract 4
- 239000000779 smoke Substances 0.000 abstract 4
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a control method for clearing up a furnace hearth of an aluminum cell. The steps are as follows: reducing the opening degree of a smoke valve of the electrolytic cell, regulating the opening degree of the smoke valve of the aluminum cell to be 10-70 degrees, regulating the additive amount of aluminum fluoride in electrolyte, controlling the molecular ratio to be 2.4-2.6, controlling the temperature of the electrolytic cell to be 958-968 DEG C and the degree of overheat to be 10-15 DEG C, and keeping the regulating time for 15-60 days; after regulating for 20-30 days, increasing the opening degree of the smoke valve, regulating the opening degree of the smoke valve to be 30-80 degrees, and regulating the voltage and aluminum level of the aluminum cell; controlling the voltage of the aluminum cell to be between 3.76V and 3.95V and regulating the aluminum level to be 23-28 cm; and regulating the molecular ratio of the aluminum cell to be 2.3-2.4, and controlling the temperature of the aluminum cell to be 950-960 DEG C and the degree of overheat to be 6-10 DEG C. The control method can improve the distribution uniformity of the current in the electrolytic cell, and improve the current efficiency and the stability of the electrolytic cell.
Description
Technical field
The present invention relates to a kind of control technology of electrolysis of aluminum, particularly the control method of the regular burner hearth of a kind of aluminium cell.
Background technology
The burner hearth of Hall-Ai Lu aluminium cell is the important component part of electrolyzer, is the basic of whole electrolytic process.It solidifies and melts by electrolyte crust, can adjust thermal equilibrium automatically within the specific limits.When the heat income was paid less than heat, electrolyzer temperature reduced, and ionogen begins to solidify, and forms new burner hearth, and emits a large amount of heats in the process of setting, slows down the amplitude that electrolyzer temperature reduces, and finally reaches new thermal equilibrium.Otherwise, receive the National People's Congress when heat is paid when heat, electrolyzer temperature raises, and has solidified the electrolyte melting that forms stove group, forms new burner hearth, and absorbs a large amount of heats in the melting process, slows down the amplitude that electrolyzer temperature raises, and finally also reaches new thermal equilibrium.
Whether regular the electrolyzer burner hearth is will directly determine the productive capacity of this electrolyzer.Regular burner hearth can ensure electrolyzer steady running, can protect artificial stretching one's legs and side wall carbon block effectively. prevent their oxide breakage, reduce the generation of disease groove; And the burner hearth of irregularity makes and shows as electrolyzer operation conditions variation: the anodic current skewness, and the voltage pendulum is many, and current efficiency is lower, thereby has shortened the work-ing life of electrolyzer.
At present, in the operational process of electrolyzer, a lot of electrolyzers do not form regular chamber structure, and because the electrolysis process more complicated, the factor that influences chamber structure is more, does not almost also have a kind of control method can make the burner hearth of electrolyzer form ordered structure in actual production.
Summary of the invention
The objective of the invention is to overcome above shortcoming, the control method of the regular burner hearth of a kind of aluminium cell is provided, improve the homogeneity of distribution of current in the electrolyzer, improve the stability of current efficiency and electrolyzer.
Technical scheme of the present invention is:
The control method of the regular burner hearth of a kind of aluminium cell, the step of described control method is as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to the 10-70 degree;
Temperature and the superheating temperature of b, control aluminium cell: regulate the add-on of aluminum fluoride in the ionogen, the control molecular ratio is 2.4-2.6, and electrolyzer temperature is controlled at 958-968 ℃, and superheating temperature is 10-15 ℃, regulates time remaining 15-60 days;
C, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 20-30 days, increase the aperture of gas fume valve, described gas fume valve is adjusted to the 30-80 degree;
Voltage and the aluminium level of d, adjustment aluminium cell: the aluminium cell voltage control is between 3.76-3.95V, and the aluminium horizontal adjustment is to 23-28cm;
E, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.3-2.4, and the temperature of control aluminium cell is 950-960 ℃, and superheating temperature is 6-10 ℃.
Preferably, in the described steps d, the aluminium cell voltage control is at 3.76-3.80V, and the aluminium horizontal adjustment is to 23-25cm.
Preferably, in the described steps d, the aluminium cell voltage control is at 3.80-3.85V, and the aluminium horizontal adjustment is to 24-26cm.
Preferably, in the described steps d, the aluminium cell voltage control is at 3.85-3.90V, and the aluminium horizontal adjustment is to 25-27cm.
Preferably, in the described steps d, the aluminium cell voltage control is at 3.90-3.95V, and the aluminium horizontal adjustment is to 26-28cm.
Preferably, among the described step c, the governing speed of gas fume valve is per 5 days adjusting 1-5 degree.
Preferably, after described step b carried out 5-10 days, manual handling electrolyzer inner corner portion was stretched one's legs.
Preferably, the described operating mode of handling of stretching one's legs is 2.5mV for the bight anodic current.
The control method of the regular burner hearth of aluminium cell provided by the invention has following advantage:
Adopt the control method of regular burner hearth provided by the invention, make the electrolyzer of operation can form regular chamber structure at 30-60 days, thereby improve the homogeneity of distribution of current in the electrolyzer, make current efficiency be increased to 92-95%, the anode effect coefficient is reduced to below 0.02, and the voltage pendulum was reduced to below 5 minutes.
In the control method of regular burner hearth, at first adjust the gas fume valve of electrolyzer, make the aperture of gas fume valve less than normal, electrolyzer heat expenditure reduces, temperature in the electrolyzer raises, by regulating the add-on of aluminum fluoride, molecular ratio in the regulating tank, make the temperature control of electrolyzer at 958-968 ℃, superheating temperature control is at 10-15 ℃, and electrolyzer keeps higher a little temperature and superheating temperature, is guaranteeing under the little prerequisite of thermo-efficiency loss, can melt the position of irregularity in the burner hearth quickly, make the burner hearth in the electrolyzer form regular structure gradually.
After burner hearth forms ordered structure gradually, adjust the gas fume valve of electrolyzer again, the aperture of gas fume valve is increased gradually, electrolyzer heat expenditure increases, and the temperature in the electrolyzer begins to reduce gradually; By adjusting the value of bath voltage and aluminium level, make the horizontal rational Match of voltage and aluminium, and the adjusting electrolyzer in molecular ratio, electrolyzer temperature, electrolyzer is controlled to be under 6-10 ℃ in superheating temperature, the steady running long period, make liquid electrolyte on regular burner hearth basis, slowly be penetrated into stove group inside, be filled in the stove group slit of solid electrolyte formation, the formation immunity from interference is strong, the regular stable burner hearth that heat shock resistance is strong.After treating that regular stable burner hearth forms, slowly regulate each processing parameter of electrolyzer, it is mated mutually, distribution of current is even in the electrolyzer, good stability, current efficiency height.
Embodiment
Do further detailed description below in conjunction with the technical solution of the present invention of embodiment, but embodiments of the present invention are not limited thereto.
Embodiment 1
The control method of the regular burner hearth of aluminium cell, concrete steps are as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to 10 degree;
Temperature and the superheating temperature of b, control aluminium cell: the gas fume valve aperture is less, the temperature rise of electrolyzer inside groove, the add-on of regulating aluminum fluoride in the ionogen, the control molecular ratio is 2.4, electrolyzer temperature control is at 960 ℃, and superheating temperature is 12 ℃, regulates time remaining 15-60 days;
C, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 20 days, increase the aperture of gas fume valve gradually, described gas fume valve is adjusted to 30 degree;
Voltage and the aluminium level of d, adjustment aluminium cell: the aluminium cell voltage control is between 3.76-3.95V, and the aluminium horizontal adjustment is to 23-28cm;
E, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.3, and the temperature of control aluminium cell is 954 ℃, and superheating temperature is 8 ℃.
By the reasonable cooperation of each parameter in the above-mentioned steps, form regular chamber structure in the electrolyzer, distribution of current is even in the groove, and current efficiency brings up to 93%, and the anode effect coefficient is reduced to 0.015, and the voltage pendulum was reduced to below 5 minutes.
Embodiment 2
The control method of the regular burner hearth of aluminium cell, concrete steps are as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to 30 degree;
Temperature and the superheating temperature of b, control aluminium cell: the gas fume valve aperture is less, the temperature rise of electrolyzer inside groove, the add-on of regulating aluminum fluoride in the ionogen, the control molecular ratio is 2.5, electrolyzer temperature control is at 958 ℃, and superheating temperature is 10 ℃, regulates time remaining 15-60 days;
C, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 25 days, increase the aperture of gas fume valve gradually, described gas fume valve is adjusted to 50 degree;
Voltage and the aluminium level of d, adjustment aluminium cell: the aluminium cell voltage control is between 3.76-3.80V, and the aluminium horizontal adjustment is to 23-25cm;
E, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.4, and the temperature of control aluminium cell is 950 ℃, and superheating temperature is 10 ℃.
By the reasonable cooperation of each parameter in the above-mentioned steps, form regular chamber structure in the electrolyzer, distribution of current is even in the groove, and current efficiency brings up to 94%, and the anode effect coefficient is reduced to 0.01, and the voltage pendulum was reduced to below 5 minutes.
Embodiment 3
The control method of the regular burner hearth of aluminium cell, concrete steps are as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to 50 degree;
Temperature and the superheating temperature of b, control aluminium cell: the gas fume valve aperture is less, the temperature rise of electrolyzer inside groove, the add-on of regulating aluminum fluoride in the ionogen, the control molecular ratio is 2.6, electrolyzer temperature control is at 962 ℃, and superheating temperature is 13 ℃, regulates time remaining 15-60 days;
After c, step b carried out 5-10 days, manual handling electrolyzer inner corner portion was stretched one's legs, regular burner hearth.
D, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 30 days, increase the aperture of gas fume valve gradually, described gas fume valve is adjusted to 60 degree;
Voltage and the aluminium level of e, adjustment aluminium cell: the aluminium cell voltage control is between 3.80-3.85V, and the aluminium horizontal adjustment is to 24-26cm;
F, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.3, and the temperature of control aluminium cell is 960 ℃, and superheating temperature is 9 ℃.
By the reasonable cooperation of each parameter in the above-mentioned steps, form regular chamber structure in the electrolyzer, distribution of current is even in the groove, and current efficiency brings up to 92%, and the anode effect coefficient is reduced to 0.018, and the voltage pendulum was reduced to below 5 minutes.
Embodiment 4
The control method of the regular burner hearth of aluminium cell, concrete steps are as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to 70 degree;
Temperature and the superheating temperature of b, control aluminium cell: regulate the add-on of aluminum fluoride in the ionogen, the control molecular ratio is 2.5, and electrolyzer temperature is controlled at 968 ℃, and superheating temperature is 15 ℃, regulates time remaining 15-60 days;
After c, step b carried out 5-10 days, manual handling electrolyzer inner corner portion was stretched one's legs, regular burner hearth, and the operating mode of handling of stretching one's legs is 2.5mV for the bight anodic current, but re-treatment 2-3 time.
D, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 28 days, increase the aperture of gas fume valve gradually, described gas fume valve is adjusted to 80 degree;
Voltage and the aluminium level of e, adjustment aluminium cell: the aluminium cell voltage control is between 3.85-3.90V, and the aluminium horizontal adjustment is to 25-27cm;
F, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.4, and the temperature of control aluminium cell is 956 ℃, and superheating temperature is 6 ℃.
By the reasonable cooperation of each parameter in the above-mentioned steps, form regular chamber structure in the electrolyzer, distribution of current is even in the groove, and current efficiency brings up to 95%, and the anode effect coefficient is reduced to 0.012, and the voltage pendulum was reduced to below 5 minutes.
Embodiment 5
The control method of the regular burner hearth of aluminium cell, concrete steps are as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to 40 degree;
Temperature and the superheating temperature of b, control aluminium cell: the gas fume valve aperture is less, the temperature rise of electrolyzer inside groove, the add-on of regulating aluminum fluoride in the ionogen, the control molecular ratio is 2.4, electrolyzer temperature control is at 965 ℃, and superheating temperature is 14 ℃, regulates time remaining 15-60 days;
C, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 24 days, increase the aperture of gas fume valve gradually, described gas fume valve is adjusted to 55 degree, the governing speed of gas fume valve is to regulate the 1-5 degree in per 5 days;
Voltage and the aluminium level of d, adjustment aluminium cell: the aluminium cell voltage control is between 3.90-3.95V, and the aluminium horizontal adjustment is to 26-28cm; The process of the reduction voltage that occurs in the voltage-regulation process, the range of decrease control of voltage is in the scope of 1-5mV every day;
E, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.35, and the temperature of control aluminium cell is 958 ℃, and superheating temperature is 7 ℃.
By the reasonable cooperation of each parameter in the above-mentioned steps, form regular chamber structure in the electrolyzer, distribution of current is even in the groove, and current efficiency brings up to 94%, and the anode effect coefficient is reduced to 0.016, and the voltage pendulum was reduced to below 5 minutes.
Embodiment 6
The control method of the regular burner hearth of aluminium cell, concrete steps are as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to 20 degree;
Temperature and the superheating temperature of b, control aluminium cell: the gas fume valve aperture is less, the temperature rise of electrolyzer inside groove, the add-on of regulating aluminum fluoride in the ionogen, the control molecular ratio is 2.5, electrolyzer temperature control is at 966 ℃, and superheating temperature is 12 ℃, regulates time remaining 15-60 days;
After c, step b carried out 5-10 days, manual handling electrolyzer inner corner portion was stretched one's legs, regular burner hearth, and the operating mode of handling of stretching one's legs is 2.5mV for the bight anodic current, re-treatment 3 times.
D, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 26 days, increase the aperture of gas fume valve gradually, described gas fume valve be adjusted to 40 degree, gas fume valve be adjusted to fine setting, governing speed is to regulate the 2-4 degree in per 5 days;
Voltage and the aluminium level of e, adjustment aluminium cell: the aluminium cell voltage control is between 3.80-3.85V, and the aluminium horizontal adjustment is to 24-26cm; The process of the reduction voltage that occurs in the voltage-regulation process, the range of decrease control of voltage is in the scope of 1-5mV every day;
F, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.3, and the temperature of control aluminium cell is 952 ℃, and superheating temperature is 10 ℃.
Along with the carrying out of electrolysis process, anode can consume gradually, when changing anode, determines the anode position line, and the installation site of fixed anode evenly distributes the interior electric current of electrolyzer; And in changing the process of anode, need prick the limit to other anodes of one group on changing anode and handle, for the formation of regular burner hearth provides advantageous conditions.
By the reasonable cooperation of each parameter in the above-mentioned steps, form regular chamber structure in the electrolyzer, distribution of current is even in the groove, and current efficiency brings up to 95%, and the anode effect coefficient is reduced to 0.014, and the voltage pendulum was reduced to below 5 minutes.
Embodiment 7
The control method of the regular burner hearth of aluminium cell, concrete steps are as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to 60 degree;
Temperature and the superheating temperature of b, control aluminium cell: regulate the add-on of aluminum fluoride in the ionogen, the control molecular ratio is 2.55, and electrolyzer temperature is controlled at 964 ℃, and superheating temperature is 11 ℃, regulates time remaining 15-60 days;
After c, step b carried out 5-10 days, manual handling electrolyzer inner corner portion was stretched one's legs, regular burner hearth, and the operating mode of handling of stretching one's legs is 2.5mV for the bight anodic current.
D, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 22 days, increase the aperture of gas fume valve gradually, described gas fume valve be adjusted to 70 degree, gas fume valve be adjusted to fine setting, governing speed is to regulate the 2-3 degree in per 5 days;
Voltage and the aluminium level of e, adjustment aluminium cell: the aluminium cell voltage control is between 3.85-3.90V, and the aluminium horizontal adjustment is to 25-27cm; The process of the reduction voltage that occurs in the voltage-regulation process, the range of decrease control of voltage is in the scope of 1-5mV every day;
F, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.4, and the temperature of control aluminium cell is 955 ℃, and superheating temperature is 9 ℃.
By the reasonable cooperation of each parameter in the above-mentioned steps, form regular chamber structure in the electrolyzer, distribution of current is even in the groove, and current efficiency brings up to 93%, and the anode effect coefficient is reduced to 0.018, and the voltage pendulum was reduced to below 5 minutes.
Claims (8)
1. the control method of the regular burner hearth of aluminium cell is characterized in that, the step of described control method is as follows:
A, regulate the air quantity of aluminium cell gas fume valve: reduce the aperture of the gas fume valve of electrolyzer, the gas fume valve of aluminium cell is adjusted to the 10-70 degree;
Temperature and the superheating temperature of b, control aluminium cell: regulate the add-on of aluminum fluoride in the ionogen, the control molecular ratio is 2.4-2.6, and electrolyzer temperature is controlled at 958-968 ℃, and superheating temperature is 10-15 ℃, regulates time remaining 15-60 days;
C, regulate the aperture of aluminium cell gas fume valve again: after step b carries out 20-30 days, increase the aperture of gas fume valve, described gas fume valve is adjusted to the 30-80 degree;
Voltage and the aluminium level of d, adjustment aluminium cell: the aluminium cell voltage control is between 3.76-3.95V, and the aluminium horizontal adjustment is to 23-28cm;
E, the temperature of readjusting aluminium cell and superheating temperature: the molecular ratio of regulating aluminium cell is 2.3-2.4, and the temperature of control aluminium cell is 950-960 ℃, and superheating temperature is 6-10 ℃.
2. the control method of the regular burner hearth of aluminium cell according to claim 1 is characterized in that, in the described steps d, the aluminium cell voltage control is at 3.76-3.80V, and the aluminium horizontal adjustment is to 23-25cm.
3. the control method of the regular burner hearth of aluminium cell according to claim 1 is characterized in that, in the described steps d, the aluminium cell voltage control is at 3.80-3.85V, and the aluminium horizontal adjustment is to 24-26cm.
4. the control method of the regular burner hearth of aluminium cell according to claim 1 is characterized in that, in the described steps d, the aluminium cell voltage control is at 3.85-3.90V, and the aluminium horizontal adjustment is to 25-27cm.
5. the control method of the regular burner hearth of aluminium cell according to claim 1 is characterized in that, in the described steps d, the aluminium cell voltage control is at 3.90-3.95V, and the aluminium horizontal adjustment is to 26-28cm.
6. the control method of the regular burner hearth of aluminium cell according to claim 1 is characterized in that, among the described step c, the governing speed of gas fume valve is per 5 days adjusting 1-5 degree.
7. the control method of the regular burner hearth of aluminium cell according to claim 1 is characterized in that, after described step b carried out 5-10 days, manual handling electrolyzer inner corner portion was stretched one's legs.
8. the control method of the regular burner hearth of aluminium cell according to claim 7 is characterized in that, the described operating mode of handling of stretching one's legs is 2.5mV for the bight anodic current.
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| CN201110458989.7A CN103184475B (en) | 2011-12-31 | 2011-12-31 | A kind of control method of the regular burner hearth of aluminium cell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239103A (en) * | 2015-11-23 | 2016-01-13 | 林州市林丰铝电有限责任公司 | Method for reducing precipitation capacity in hearth of 400 KA electrolytic bath |
| CN105624741A (en) * | 2014-10-31 | 2016-06-01 | 云南新立有色金属有限公司 | Automatic electrolytic cell liquid level control device |
| CN114990593A (en) * | 2022-06-15 | 2022-09-02 | 惠民县汇宏新材料有限公司 | Device for preventing corner of electrolytic cell from extremely long angle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57164996A (en) * | 1981-04-01 | 1982-10-09 | Mitsubishi Keikinzoku Kogyo Kk | Controlling method for aluminum electrolyzing cell |
| RU2215825C2 (en) * | 2001-09-17 | 2003-11-10 | Открытое акционерное общество "Объединенная компания "Сибирский Алюминий" | Method for calcining hearth of aluminum cell with fired anodes |
| CN1873057A (en) * | 2006-04-28 | 2006-12-06 | 中国铝业股份有限公司 | Preparation method of lead electrobath for transitting to electrolysis in low termperature |
| CN101187040A (en) * | 2007-09-13 | 2008-05-28 | 中国铝业股份有限公司 | Method for stabilizing aluminum cell hearth |
| CN102296328A (en) * | 2011-07-01 | 2011-12-28 | 云南云铝涌鑫铝业有限公司 | Low temperature control method for aluminum electrolysis |
-
2011
- 2011-12-31 CN CN201110458989.7A patent/CN103184475B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57164996A (en) * | 1981-04-01 | 1982-10-09 | Mitsubishi Keikinzoku Kogyo Kk | Controlling method for aluminum electrolyzing cell |
| RU2215825C2 (en) * | 2001-09-17 | 2003-11-10 | Открытое акционерное общество "Объединенная компания "Сибирский Алюминий" | Method for calcining hearth of aluminum cell with fired anodes |
| CN1873057A (en) * | 2006-04-28 | 2006-12-06 | 中国铝业股份有限公司 | Preparation method of lead electrobath for transitting to electrolysis in low termperature |
| CN101187040A (en) * | 2007-09-13 | 2008-05-28 | 中国铝业股份有限公司 | Method for stabilizing aluminum cell hearth |
| CN102296328A (en) * | 2011-07-01 | 2011-12-28 | 云南云铝涌鑫铝业有限公司 | Low temperature control method for aluminum electrolysis |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624741A (en) * | 2014-10-31 | 2016-06-01 | 云南新立有色金属有限公司 | Automatic electrolytic cell liquid level control device |
| CN105624741B (en) * | 2014-10-31 | 2018-06-19 | 云南冶金新立钛业有限公司 | Electrolytic cell liquid level automatic control device |
| CN105239103A (en) * | 2015-11-23 | 2016-01-13 | 林州市林丰铝电有限责任公司 | Method for reducing precipitation capacity in hearth of 400 KA electrolytic bath |
| CN114990593A (en) * | 2022-06-15 | 2022-09-02 | 惠民县汇宏新材料有限公司 | Device for preventing corner of electrolytic cell from extremely long angle |
| CN114990593B (en) * | 2022-06-15 | 2023-08-29 | 惠民县汇宏新材料有限公司 | Device for preventing extremely long angle at corner of electrolytic tank |
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| CN103184475B (en) | 2016-09-28 |
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