WO2010145132A1 - Cathode structure of aluminum electrolytic cell and aluminum electrolytic cell - Google Patents

Cathode structure of aluminum electrolytic cell and aluminum electrolytic cell Download PDF

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Publication number
WO2010145132A1
WO2010145132A1 PCT/CN2009/075472 CN2009075472W WO2010145132A1 WO 2010145132 A1 WO2010145132 A1 WO 2010145132A1 CN 2009075472 W CN2009075472 W CN 2009075472W WO 2010145132 A1 WO2010145132 A1 WO 2010145132A1
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Prior art keywords
aluminum
electrolytic cell
river
cathode
grooves
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PCT/CN2009/075472
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French (fr)
Chinese (zh)
Inventor
顾松青
刘风琴
杨宏杰
史志荣
王玉
胡清韬
唐新平
陈开斌
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中国铝业股份有限公司
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Publication of WO2010145132A1 publication Critical patent/WO2010145132A1/en

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes

Definitions

  • the original is mainly composed of corrosive spar and fluorination.
  • the upper and lower aluminum plates are made of plain material.
  • the aluminum is placed in parallel with multiple horizontal directions and then solidified to form a horizontal plane. There is no such thing.
  • the aluminum is composed of aluminum, and the household gold is directly stored in the aluminum. Early exit in circulation, and then flow down
  • the aluminum is provided, that is, there is a river in the upper direction, and the transverse direction in the width direction is the same as the transverse direction of the river.
  • the direction is the aluminum in which the river flows.
  • an aluminum is provided, and the upper direction has a lateral flow in the width direction of the same flow direction as the river flow.
  • the direction has the aluminum connected to the river.
  • the river flows, in the middle.
  • the aluminum is in the end or middle.
  • the aluminum, on the surface, is reduced by 0 2 from the surface of the other, and the thickness is reduced by 0 2 to form aluminum.
  • the Lr portion of the aluminum may be flat or grooved for aluminum.
  • the element material and the solid are inclined to the direction of the river flow in a direction transverse to the direction in which the river flows toward the aluminum.
  • the material may be, graphite, high graphite, graphitized, or.
  • the aluminum provided herein has a balance of 2 in the direction of the river 2, a transverse direction 3 in the width direction with the river 2, and an aluminum 4 in the direction of the river.
  • 3 are made of solid material and solid, and 3 is lower than the surface.
  • the material can be, graphite, high graphite, graphitized, or .
  • the river flow 2 is inclined in the direction of the aluminum 4, and the direction of the river 2 is inclined.
  • Jiangliu 2 flows three streams of aluminum in the river, on a regular aluminum.
  • the size of the river 2 can be capacity.
  • the medium is grooved for aluminum.
  • the aluminum of the household, the river 2 and the horizontal 3 can flow aluminum, which can effectively reduce the thickness of the aluminum, or eliminate the big sputum.
  • the effect of aluminum and efficiency is to minimize and, with the same high efficiency, greatly improve energy utilization and reduce.
  • the above force is better, but the method is not subject to the above restrictions, any other Modifications made by the principles of the spirit, modification, substitution, combination, chemistry, etc. are all included in this solid.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

A cathode structure of aluminum electrolytic cell is disclosed. Collection grooves are formed along the length direction of the electrolytic cell on the cathode of the electrolytic cell, transverse guiding grooves connected with said collection grooves are formed along the width direction of the electrolytic cell between cathode carbon blocks, and aluminum collection reservoirs connected with said connection grooves are arranged in the length direction of the electrolytic cell. An aluminum electrolytic cell is also disclosed. The aluminum electrolytic cell includes a cathode. Collection grooves are formed along the length direction of the electrolytic cell on said cathode, transverse guiding grooves connected with said collection grooves are formed along the width direction of the electrolytic cell between cathode carbon blocks, and aluminum collection reservoirs connected with said connection grooves are arranged at the end of the cell along the length direction. The disclosed electrolytic cell and its matching cathode structure can reduce the thickness of molten aluminum layer, reduce or eliminate the effect of heavy current and strong magnetic field of the electrolytic cell on the fluctuation of molten aluminum layer and current efficiency, reduce the anode-cathode distance and cell voltage, at the same time ensure the enablement of high current efficiency, and thus significantly increase energy utilization efficiency and reduce power consumption.

Description

鋁 的 及鋁  Aluminum and aluminum
本 涉及鋁 領域，特別涉及 鋁 的 及鋁 This is in the field of aluminum, especially in aluminum and aluminum.
背景 木 Background
目前 - 解法是 鋁大規模 化生 的唯 方 法。 鋁 是 非常特殊的 化 反 容器， 溫度通常高 。  At present - the solution is the only way to large-scale aluminum production. Aluminum is a very special anti-container and the temperature is usually high.
940-960 C 鋁 內有 18-22c 的熔融鋁 和 18-22c 的 940-960 C aluminum with 18-22c of molten aluminum and 18-22c
居高溫熔休。 內的 原主要由 腐蝕性的 晶石和氟化 組成。 于上方的阿 和鋁 居下方的 板 般都由 素材料 。  High temperature melting. The original is mainly composed of corrosive spar and fluorination. The upper and lower aluminum plates are made of plain material.
統的鋁 的 是由多 水平方向平行 置，再 用 固 而成， 因而形成水平的 平面， 不存在任何 。直流 上方的阿 早 ，通 ， 鋁 。 鋁 共同組成 ， 戶生的金 鋁就直接儲存于 鋁 居中。 流通 內的 早出，再流 下 台  The aluminum is placed in parallel with multiple horizontal directions and then solidified to form a horizontal plane. There is no such thing. A early on the DC, pass, aluminum. The aluminum is composed of aluminum, and the household gold is directly stored in the aluminum. Early exit in circulation, and then flow down
， 此 ， 返 ， 流 路。 但在 中， 、 鋁 和 效率 很大， 效率， 而 使 高和 高， 造成能量利用率低， 鋁 高。 特別 是在 大型 中， 大屯 、 高 鋁  , this, return, flow. But in the middle, aluminum and efficiency are very high, and the efficiency, while making high and high, results in low energy utilization and high aluminum. Especially in large, large, high aluminum
和 效率 很大， 效率， 高和 高， 造成能 量利用率低， 鋁 高。 內容 It is very efficient, efficient, high and high, resulting in low energy utilization and high aluminum. Content
本 的目的 是提供 提高能量利用率、降低 鋁 的鋁 的 及鋁 。  The purpose of this paper is to provide energy efficiency, aluminum reduction and aluminum.
本 的 介方面， 提供 鋁 的 ， 即在 上沿 方向 有江流 ，在 寬度方向上 的 同 有 所述江流 相通的橫向 ，在  In this aspect, the aluminum is provided, that is, there is a river in the upper direction, and the transverse direction in the width direction is the same as the transverse direction of the river.
方向 有 所述江流 相連通的 鋁 。 本 的另 介方面， 近提供 鋁 ， ， 所述 上沿 方向 有江流 在 寬度方向上的 同 有 所述江流 相通的橫向 ，在 The direction is the aluminum in which the river flows. In another aspect of the present invention, an aluminum is provided, and the upper direction has a lateral flow in the width direction of the same flow direction as the river flow.
方向 有 所述江流 相連通的 鋁 。 The direction has the aluminum connected to the river.
所述江流 余， 于在 的中 。  The river flows, in the middle.
所述江流 余， 于在 方向的阿 下。 所述 鋁 介， 于所述 的 端 或中部。  The river flows, in the direction of the next. The aluminum is in the end or middle.
所述 ， 各 于所述 的兩端 。  Said at each of said ends.
所述的江流 和所述橫向 的深度 20 2 ， 寬 度50 25  The river flow and the lateral depth 20 2 , width 50 25
所述 鋁 的 ， 在 ， 表面比其 他明 表面降低 0 2 ， 厚度減少 0 2 ， 形成 鋁 。  The aluminum, on the surface, is reduced by 0 2 from the surface of the other, and the thickness is reduced by 0 2 to form aluminum.
所述 鋁 中 Lr部位可以是平面， 也可以 有 槽， 以 于 鋁。  The Lr portion of the aluminum may be flat or grooved for aluminum.
所述 由 素材料 和 固 ， 是比所述 所述江流 向所述 鋁 方向傾斜的 所述橫向 向所述江流 方向傾斜的 。  The element material and the solid are inclined to the direction of the river flow in a direction transverse to the direction in which the river flows toward the aluminum.
所述 素材料 可 、 、 石墨 、 高石墨 、 石墨化 、 或 。  The material may be, graphite, high graphite, graphitized, or.
本 提供的鋁 的 及鋁 ， 鋁 表面 鋁水平或低鋁水平的生 ，有效地克服大型 中的大屯 、 高 鋁 和 效率的影 ，在 較高的 效率的同 ， 降低了 和 ， 而提高了 能量利用率、 降低 鋁 。 說明 This aluminum and aluminum, aluminum surface aluminum level or low aluminum level of raw, effectively overcome the large-scale large 屯, high aluminum and efficiency of the shadow, in the higher efficiency of the same, reduced and improved Energy utilization, reduced aluminum. Description
1 力本 提供的 有 介江流 的鋁 的 的 示意 1 The indication of the aluminum provided by Liben
2 1所示 的俯視 3力本 提供的 有 江流 、 介 鋁 的鋁 的 的 示意2 1 as shown The indication of the aluminum and the aluminum of the aluminum
4 3所示 的俯視 4 3 as shown
5力本 提供的 有 江流 、 鋁 的鋁 的 的 示意 5 shows the indication of the aluminum of the river and aluminum
6 5所示 的俯視 。 休 方式  6 5 shows the view. Hugh way
本 提供的鋁 的 ， 即在 1 上沿 方向 有余 江流 2， 在 寬度方向上的 同 有 江流 2相通的橫向 3， 在 方 向 有 江流 2相連通的 鋁 4。 其中， 3由 素材料 和 固 ，而且 3是比 表面下 的 。其中， 素材料 可 、 、 石墨 、 高石墨 、 石墨化 、 或 。 江流 2 向 鋁 4方向傾斜的 3 向江流 2方向傾斜的 。 江流 2 于江流 橫向 3流 的鋁 ， 于 定期 鋁。 江流 2的 可以 容量的大小 。  The aluminum provided herein has a balance of 2 in the direction of the river 2, a transverse direction 3 in the width direction with the river 2, and an aluminum 4 in the direction of the river. Among them, 3 are made of solid material and solid, and 3 is lower than the surface. Among them, the material can be, graphite, high graphite, graphitized, or . The river flow 2 is inclined in the direction of the aluminum 4, and the direction of the river 2 is inclined. Jiangliu 2 flows three streams of aluminum in the river, on a regular aluminum. The size of the river 2 can be capacity.
1、 2所示， 江流 2可以 介， 可 于在 的中 。 而 鋁 4可以 介， 可 在 端 或中部。 3、 4 所示， 江流 2也可以 ， 可 在 方向的阿 下。 而 鋁 4可以 介， 在 端 。 然， 可 需要也可將 鋁 4 在 ( 5， 6所示) 江流 2和橫向 3的深度可 需要 ，例 可 20 2 ， 寬度50 25 。 鋁 4可 以下方式 1, 2, Jiangliu 2 can be introduced, can be in the middle. Aluminum 4 can be used, either at the end or in the middle. 3, 4, Jiangliu 2 can also be, in the direction of the next. And aluminum 4 can be introduced at the end. However, it may be desirable to also have aluminum 4 in the depth shown in (5, 6) River 2 and 3 in depth, for example 20 2, width 50 25 . Aluminum 4 can be used in the following ways
的 在 ， 比其他明 降低150 2 ， 厚度減少 0 2 ， 而形成 鋁 4。 在 鋁 4 中 部 位 工 介 槽， 以 于 鋁。  In the case of , it is 150 2 lower than the other, and the thickness is reduced by 0 2 , while the aluminum 4 is formed. In the aluminum 4, the medium is grooved for aluminum.
本 近提供 ， 上述 ， 由于已 說明， 不再贅述。 使得 戶生的鋁 ，通 江流 2和橫向 3可 流 鋁 ， 而可以有效降低鋁 厚度， 或消除 的大屯 ． 鋁 和 效率的影 ， 以 最大限度地 降低 和 ， 同 較高的 效率， 而大大提高 能量利用率、 降低 。 可降至 3．5 3.7V， 鋁直流 降 至120 Wh以下， 能利用率可以提高至52% 58 上述 力本 較佳的 方式，但本 的 方式 不 受上述 的限制，其他的任何未 本 的精神 原理下 所作的 、 修飾、 替代、 組合、 化， 等 的置換方式， 都 包含在本 的 固 內。 This is provided recently, and the above is not described again since it has been explained. The aluminum of the household, the river 2 and the horizontal 3 can flow aluminum, which can effectively reduce the thickness of the aluminum, or eliminate the big sputum. The effect of aluminum and efficiency is to minimize and, with the same high efficiency, greatly improve energy utilization and reduce. Can be reduced to 3.5 3.7V, aluminum DC to below 120 Wh, energy utilization can be increased to 52% 58 The above force is better, but the method is not subject to the above restrictions, any other Modifications made by the principles of the spirit, modification, substitution, combination, chemistry, etc. are all included in this solid.

Claims

要求 1．鋁 的 ， 其特 在于 Requirements 1. Aluminum, its special
在 上沿 方向 有江流 ，在 寬度 方向上的 同 有 所述江流 相通的橫向 ，在 方向 有 所述江流 相連通的 鋁 。  There is a river flow in the upper direction, and a transverse direction in the width direction which is in communication with the river flow, and aluminum in the direction of the river flow.
2． 要求1所述的鋁 的 ， 其特 在于 所述江流 余， 于在 的中 。  2. The aluminum of claim 1 is characterized by the fact that the river is in the middle.
3． 要求1所述的鋁 的 ， 其特 在于 所述江流 余， 于在 方向的阿 下。  3. The aluminum of claim 1 is characterized by the flow of the river in the direction of the direction.
4． 要求1所述的鋁 的 ， 其特 在于: 所述 鋁 介， 于所述 的 端 或中部。 4. The aluminum of claim 1 is characterized in that: the aluminum is in the end or the middle.
5． 要求1所述的鋁 的 ， 其特 在于: 所述 鋁 ， 各 于所述 的 。  5. The aluminum of claim 1 is characterized in that: the aluminum is as described above.
6． 要求 1至 5任 項所述的鋁 的 ， 其特 在于  6. Requires the aluminum of any one of items 1 to 5, which is characterized by
所述的江流 和所述橫向 的深度 20 2 ， 寬 度50 25  The river flow and the lateral depth 20 2 , width 50 25
7． 要求1至5任 項所述的鋁 的 ， 其特 在于  7. Claiming the aluminum of any one of items 1 to 5, which is characterized in that
所述江流 和所述 傾斜的 。  The river flow and the inclined.
8． 要求7所述的鋁 的 ， 其特 在于 所述江流 向所述 鋁 方向傾斜的 所述橫向 向所述江流 方向傾斜的 。  8. The aluminum according to claim 7 is characterized in that the lateral direction of the river flow inclined toward the aluminum direction is inclined toward the river flow direction.
9． 要求 1至 5任 項所述的鋁 的 ， 其特 在于  9. Requires the aluminum of any one of items 1 to 5, which is characterized by
所述 的 在 表面比其他 明 表面降低150 2 ， 厚度減少 0 2 ， 形成 鋁 。  The surface is reduced by 150 2 on the surface than the other surface, and the thickness is reduced by 0 2 to form aluminum.
10． 要求1至5任 項所述的鋁 的 ， 其特 在于 所述 鋁 中 部位是平面或 有以 于 鋁的 槽。 10. Claiming the aluminum according to any one of items 1 to 5, which is characterized in that The portion of the aluminum is planar or has a groove for aluminum.
11． 要求1至5任 項所述的鋁 的 ， 其特 在于  11. Claiming the aluminum of any one of items 1 to 5, which is characterized in that
所述 由 素材料 和 固 所述 是比所 述 表面下 的 。  The element material and the solid are described below the surface.
12． 要求 至 5任 項所述的 的 ， 其 特 在于  12. Requirement to 5, as stated in
所述 素材料 可 、 、 石墨 、 高石墨 、 石墨化 、 或 。  The material may be, graphite, high graphite, graphitized, or.
13． 鋁 ， ， 其特 在于  13. Aluminum , , is characterized by
所述 上沿 方向 有江流 在 寬度方向 上的 同 有 所述江流 相通的橫向 ，在  In the upper direction, there is a transverse flow in the width direction of the river, and
方向 有 所述江流 相連通的 鋁 。  The direction has the aluminum connected to the river.
14 要求13所述的鋁 ， 其特 在于  14 The aluminum of claim 13 is characterized in that
所述江流 余， 于在 的中 。  The river flows, in the middle.
15． 要求13所述的鋁 ， 其特 在于  15. The aluminum of claim 13 is characterized in that
所述 余， 于在 方向的 下。  The rest is in the direction of the direction.
16． 要求13所述的鋁 ， 其特 在于: 16. The aluminum of claim 13 is characterized by:
所述 鋁 介， 于所述 的 端 或中部。  The aluminum is in the end or middle.
17． 要求13所述的鋁 ， 其特 在于:  17. The aluminum of claim 13 is characterized by:
所述 鋁 ， 各 于所述 的 。  The aluminum, each of which is described.
18． 要求13至17任 項所述的鋁 ， 其特 在于 所述的江流 和所述橫向 的深度 20 2 ， 寬 度50 25  18. The aluminum of any of claims 13 to 17, wherein the river flow and the lateral depth are 20 2 and the width is 50 25
19． 要求13至17任 項所述的鋁 的 ， 其 特 在于  19. Requires the aluminum of any one of items 13 to 17, which is characterized by
所述江流 傾斜的 所述橫向 傾斜的 。  The lateral inclination of the river is inclined.
20． 要求 9所述的 的 ， 其特 在于 所述江流 向所述 方向傾斜的 所述橫向 向所述江流 方向傾斜的 。 20. The invention described in claim 9 is characterized in that the lateral direction of the river flow inclined in the direction is inclined toward the river flow direction.
21． 要求13至17任 項所述的鋁 ， 其特 在于 所述 鋁 的 ，在 ， 表面比其他 明 表面降低150 2 ， 厚度減少 0~2 ， 形成 鋁 。 twenty one. Claiming aluminum according to any one of items 13 to 17, which is characterized in that The surface of the aluminum is reduced by 150 2 compared to other bright surfaces, and the thickness is reduced by 0 to 2 to form aluminum.
22． 要求13至17任 項所述的鋁 ， 其特 在于 所述 鋁 中 部位是平面或 有以 于 鋁的 槽。  twenty two. The aluminum of any of claims 13 to 17, wherein the portion of the aluminum is planar or has a groove for aluminum.
23． 要求 13至 17任 項所述的鋁 的 ， 其特 在于 twenty three. Requires the aluminum described in any of items 13 to 17, which is characterized by
由 素材料 和 固 所述 是比所 述 表面下 的 。  The material and the solid are described below the surface.
24． 要求13至17任 項所述的鋁 的 ， 其 特 在于  twenty four. Requires the aluminum of any one of items 13 to 17, which is characterized by
所述 素材料 可 、 、 石墨 、 高石墨 、 石墨化 、 或 。  The material may be, graphite, high graphite, graphitized, or.
PCT/CN2009/075472 2009-06-19 2009-12-10 Cathode structure of aluminum electrolytic cell and aluminum electrolytic cell WO2010145132A1 (en)

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US20030010628A1 (en) * 1999-10-26 2003-01-16 Vittorio De Nora Low temperature operating cell for the electrowinning of aluminium
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CN101323958A (en) * 2007-11-23 2008-12-17 高德金 Novel aluminum cell structure
CN101440504A (en) * 2007-11-23 2009-05-27 高德金 Energy-saving aluminum cell
CN101348922A (en) * 2007-12-03 2009-01-21 高德金 Energy-saving type low voltage set aluminum cell
CN101555605A (en) * 2008-04-07 2009-10-14 高伟 Cathode lining structure with branched guiding gutters for aluminum liquid
CN201232087Y (en) * 2008-07-17 2009-05-06 高德金 Novel aluminum cell structure
CN201261808Y (en) * 2008-07-22 2009-06-24 高德金 Energy-saving low-voltage setting aluminum cell
CN201317814Y (en) * 2008-11-21 2009-09-30 高德金 Energy-saving aluminum reduction cell
CN101575717A (en) * 2009-06-19 2009-11-11 中国铝业股份有限公司 Cathode structure of aluminium electrolytic cell

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