CN103834967A - Method for adjusting energy balance of aluminium electrolytic tank - Google Patents
Method for adjusting energy balance of aluminium electrolytic tank Download PDFInfo
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- CN103834967A CN103834967A CN201310671184.XA CN201310671184A CN103834967A CN 103834967 A CN103834967 A CN 103834967A CN 201310671184 A CN201310671184 A CN 201310671184A CN 103834967 A CN103834967 A CN 103834967A
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- cover plate
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Abstract
The invention relates to a method for adjusting energy balance of an aluminium electrolytic tank, and relates to a method for increasing gas collection and purification effects of the electrolytic tank, reducing upper heat dissipation of the electrolytic tank and reducing energy consumption of aluminium electrolysis. The method is characterized in that a tank cover plate is added below an electrolytic tank cover and above a cover material. The method provided by the invention can reduce upper heat dissipation of the electrolytic tank, adjust energy balance of the aluminium electrolytic tank and reduce energy consumption of aluminium electrolysis. Meanwhile, the method is beneficial to increase flue gas concentration, increase gas collection efficiency and bring relatively good economic and environmental benefits for enterprises.
Description
Technical field
Regulate a method for energetic balance of aluminum cell, relate to a kind of method that improves electrolyzer gas collection decontamination effect improving and reduce upper part of the electrolytic cell heat radiation, reduction electrolysis of aluminum energy consumption.
Background technology
Electrolysis of aluminum belongs to high energy consumption industry, and the height of energy consumption depends primarily on the height of current efficiency and bath voltage.In recent years, by development new technologies and new installation, constantly reduced electrolytic bath voltage and improved current efficiency, Aluminium Electrolysis energy consumption reduced year by year.In the energy-saving and cost-reducing work of electrolysis of aluminum, mainly reach by reducing bath voltage the object that reduces energy consumption, but in the time that bath voltage is on the low side, input energy obviously reduces, now electrolyzer heat lost by radiation changes little, causes electrolyzer to feel cold, and cell technologies and economic target worsen; On the other hand, in order to reduce energy consumption, part electrolytic aluminium plant reduces gas cleaning electricity consumption, but because gas collection power is inadequate, and gas collection deleterious, potroom environmental degradation.
Summary of the invention
Object of the present invention is exactly the deficiency existing for above-mentioned prior art; provide one can effectively solve electrolysis of aluminum and continue to reduce bath voltage difficulty, the not good workshop condition variation problem that causes of decontamination effect improving; not only be conducive to improve gas cleaning effect; protection of the environment; be conducive to reduce upper part of the electrolytic cell heat radiation simultaneously; provide energy balance guarantee for reducing bath voltage, reach the not only method of the adjusting energetic balance of aluminum cell of energy-conservation but also environment protecting.
The object of the invention is to be achieved through the following technical solutions.
Regulate a method for energetic balance of aluminum cell, it is characterized in that its method is to add cover slot cover plate below electrolytic bath cover plate, above mulch.
A kind of method that regulates energetic balance of aluminum cell of the present invention, the material of the groove cover plate described in it is characterized in that is divided into two-layer, the refractory metal sheet material of upper strata 1-4mm thickness, lower floor is the high-temperature-resistant thermal-insulation material of 1-5mm thickness, the two is closely linked.
A kind of method that regulates energetic balance of aluminum cell of the present invention, is characterized in that the 1-10cm place, below that is placed on pot superstructure gas collection hole is taken in one end of groove cover plate, and the other end is taken and is placed on groove along on plate, rides over groove and is provided with seal along one end of plate.
A kind of method that regulates energetic balance of aluminum cell of the present invention, the width that it is characterized in that groove cover plate upper strata refractory metal sheet material is than 1/2 few 0.5-2cm of anode width and anode seam width summation, the width of the high-temperature-resistant thermal-insulation material of lower floor be anode width and anode meet width summation 1/2.
A kind of method that regulates energetic balance of aluminum cell of the present invention; electrolysis of aluminum be can effectively solve and bath voltage difficulty, the not good workshop condition variation problem that causes of decontamination effect improving continued to reduce; adopt groove cover plate and existing cell cover plate to be used in conjunction with; not only be conducive to improve gas cleaning effect; protection of the environment; be conducive to reduce upper part of the electrolytic cell heat radiation simultaneously, provide energy balance guarantee for reducing bath voltage, reach the effect of not only energy-conservation but also environmental protection.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
A kind of method that regulates energetic balance of aluminum cell, its groove cover plate is divided into two-layer, upper strata is the thick refractory metal material of 1-4mm, lower floor is the high-temperature-resistant thermal-insulation material of 1-5mm thickness, between the two, adopt bonding or other working method to be closely linked, its shape and size should be determined according to cell construction practical situation.
Embodiment
Just be illustrated in conjunction with the embodiment of certain 200kA type electrolyzer below.
According to the pot shell structure of 200kA electrolyzer, superstructure, mulch situation and groove covering plate structure, determine shape and the size of energy saving and environment friendly groove cover plate.
Energy saving and environment friendly groove cover plate upper strata material is the thick refractory metal material of 1-4mm, and lower floor is the high-temperature-resistant thermal-insulation material of 1-5mm thickness, adopts bonding or other working method to be closely linked between the two.
First by groove on energy saving and environment friendly groove cover plate, and then cover original groove cover plate.
Two-layer groove cover plate is all gone up after groove, upper part of the electrolytic cell heat radiation can reduce, gas collection effect can be clearly better simultaneously, therefore should be according to electrolyzer energy balance situation, can suitably reduce the thickness of flue gas flow and adjustment mulch, also can suitably reduce bath voltage, to ensure that electrolyzer sets up rapidly new energy balance.
Claims (4)
1. regulate a method for energetic balance of aluminum cell, it is characterized in that its method is to add cover slot cover plate below electrolytic bath cover plate, above mulch.
2. a kind of method that regulates energetic balance of aluminum cell according to claim 1, the material that it is characterized in that described groove cover plate is divided into two-layer, the refractory metal sheet material of upper strata 1-4mm thickness, lower floor is the high-temperature-resistant thermal-insulation material of 1-5mm thickness, the two is closely linked.
3. a kind of method that regulates energetic balance of aluminum cell according to claim 1, the 1-10cm place, below that is placed on pot superstructure gas collection hole is taken in the one end that it is characterized in that groove cover plate, the other end is taken and is placed on groove along on plate, rides over groove and is provided with seal along one end of plate.
4. a kind of method that regulates energetic balance of aluminum cell according to claim 1, the width that it is characterized in that groove cover plate upper strata refractory metal sheet material is than 1/2 few 0.5-2cm of anode width and anode seam width summation, the width of the high-temperature-resistant thermal-insulation material of lower floor be anode width and anode meet width summation 1/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310671184.XA CN103834967A (en) | 2013-12-12 | 2013-12-12 | Method for adjusting energy balance of aluminium electrolytic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310671184.XA CN103834967A (en) | 2013-12-12 | 2013-12-12 | Method for adjusting energy balance of aluminium electrolytic tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103834967A true CN103834967A (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310671184.XA Pending CN103834967A (en) | 2013-12-12 | 2013-12-12 | Method for adjusting energy balance of aluminium electrolytic tank |
Country Status (1)
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| CN (1) | CN103834967A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047032A (en) * | 2014-06-27 | 2014-09-17 | 中国铝业股份有限公司 | Method for automatically adjusting energy balance of aluminum electrolysis cell |
| CN111996556A (en) * | 2020-07-15 | 2020-11-27 | 中国铝业股份有限公司 | Control system for energy balance of aluminum electrolysis cell |
| CN112210795A (en) * | 2019-07-10 | 2021-01-12 | 郑州轻冶科技股份有限公司 | Aluminum electrolysis energy balance adjusting method and system based on superheat degree and aluminum electrolysis cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709485A (en) * | 2009-12-18 | 2010-05-19 | 中国铝业股份有限公司 | Aluminum electrolytic cell for producing virgin aluminum by inert anode |
| CN101709486A (en) * | 2009-12-18 | 2010-05-19 | 中国铝业股份有限公司 | Aluminium electrolysis bath |
| CN201809456U (en) * | 2010-08-18 | 2011-04-27 | 中国铝业股份有限公司 | Horizontal cover sealing device for aluminum electrolysis cell |
| CN203065600U (en) * | 2013-01-22 | 2013-07-17 | 中南大学 | Upper sealing structure for aluminium electrolysis cell |
-
2013
- 2013-12-12 CN CN201310671184.XA patent/CN103834967A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709485A (en) * | 2009-12-18 | 2010-05-19 | 中国铝业股份有限公司 | Aluminum electrolytic cell for producing virgin aluminum by inert anode |
| CN101709486A (en) * | 2009-12-18 | 2010-05-19 | 中国铝业股份有限公司 | Aluminium electrolysis bath |
| CN201809456U (en) * | 2010-08-18 | 2011-04-27 | 中国铝业股份有限公司 | Horizontal cover sealing device for aluminum electrolysis cell |
| CN203065600U (en) * | 2013-01-22 | 2013-07-17 | 中南大学 | Upper sealing structure for aluminium electrolysis cell |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047032A (en) * | 2014-06-27 | 2014-09-17 | 中国铝业股份有限公司 | Method for automatically adjusting energy balance of aluminum electrolysis cell |
| CN104047032B (en) * | 2014-06-27 | 2017-02-15 | 中国铝业股份有限公司 | Method for automatically adjusting energy balance of aluminum electrolysis cell |
| CN112210795A (en) * | 2019-07-10 | 2021-01-12 | 郑州轻冶科技股份有限公司 | Aluminum electrolysis energy balance adjusting method and system based on superheat degree and aluminum electrolysis cell |
| CN112210795B (en) * | 2019-07-10 | 2021-12-21 | 郑州轻冶科技股份有限公司 | Aluminum electrolysis energy balance adjusting method and system based on superheat degree and aluminum electrolysis cell |
| CN111996556A (en) * | 2020-07-15 | 2020-11-27 | 中国铝业股份有限公司 | Control system for energy balance of aluminum electrolysis cell |
| CN111996556B (en) * | 2020-07-15 | 2021-09-14 | 中国铝业股份有限公司 | Control system for energy balance of aluminum electrolysis cell |
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Application publication date: 20140604 |
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