WO2008138220A1 - Pompe électromagnétique à courant continu pour cellule électrolytique en aluminium - Google Patents

Pompe électromagnétique à courant continu pour cellule électrolytique en aluminium Download PDF

Info

Publication number
WO2008138220A1
WO2008138220A1 PCT/CN2008/000919 CN2008000919W WO2008138220A1 WO 2008138220 A1 WO2008138220 A1 WO 2008138220A1 CN 2008000919 W CN2008000919 W CN 2008000919W WO 2008138220 A1 WO2008138220 A1 WO 2008138220A1
Authority
WO
WIPO (PCT)
Prior art keywords
electromagnetic pump
electrolytic cell
cathode
aluminum electrolytic
direct current
Prior art date
Application number
PCT/CN2008/000919
Other languages
English (en)
French (fr)
Inventor
Chao Sen Zhang
Dan Feng Zhang
Jin Yu Yuan
Original Assignee
China Aluminum International Engineering Corporation Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aluminum International Engineering Corporation Limited filed Critical China Aluminum International Engineering Corporation Limited
Publication of WO2008138220A1 publication Critical patent/WO2008138220A1/zh

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00—Equipment for supplying molten metal in rations
    • B22D39/003—Equipment for supplying molten metal in rations using electromagnetic field
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/04—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K44/00—Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
    • H02K44/02—Electrodynamic pumps
    • H02K44/04—Conduction pumps

Definitions

  • the present invention relates to an electromagnetic pump, and more particularly to a passive DC electromagnetic pump for transporting a metal liquid, which is suitable for use in an aluminum electrolytic cell for aluminum. Background technique
  • the aluminum method basically adopts two methods of a vacuum pump or a jet pump. Regardless of the obvious flaws in that method, it is difficult to meet the production requirements.
  • the object of the present invention is to provide a simple structure, reliable work, small volume, economical, convenient maintenance, and suitable for the DC of the electrolytic bath to suck high temperature aluminum liquid, aiming at the current aluminum production method hindering the development of large-scale production of electrolytic aluminum.
  • Electromagnetic pump
  • a DC electromagnetic pump for an aluminum electrolytic cell comprising: an electromagnetic pump pump body, a cathode, a magnetic conductive plate, an electromagnet, and a field coil
  • the electromagnetic pump The body has an L-shaped structure, and a cathode is arranged at an L-shaped corner portion of the electromagnetic pump pump body, and two magnetic conductive plates are disposed on two sides of the L-shaped corner portion of the electromagnetic pump pump body, and the two magnetic conductive plates respectively Connected to the N pole and the S pole of the electromagnet, the cathode and the magnetic conductive plate constitute a component of a pump groove, the excitation coil is set on the electromagnet, and an anode is not present in the electromagnetic pump.
  • the cathode is coupled to a field control box.
  • the cathode is buried in the narrow surface of the pump groove in the electromagnetic pump pump by using an anode carbon material.
  • the outer surface of the cathode is at the same level as the inner surface of the pump body of the electromagnetic pump.
  • the magnetic conductive plate is buried on both sides of the wide surface of the pump groove in the electromagnetic pump pump body.
  • the outer surface of the magnetic conductive plate is at the same level as the inner surface of the electromagnetic pump body.
  • the electromagnetic pump body is made of alumina refractory concrete.
  • the outlet end of the electromagnetic pump body is connected to the draft tube through a fixed flange.
  • the inlet end of the electromagnetic pump body is connected to the electrolytic cell through a fixing flange.
  • the magnetic conductive plate and the cathode are disposed at a lower portion of the electromagnetic pump body in the vertical direction.
  • the electromagnetic pump body is a different-diameter L-shaped tubular structure, and the inlet end diameter is larger than the outlet end diameter.
  • the cathode is connected to the field control box via a conductive busbar.
  • the excitation coil is connected to the field control box through the conductive busbar.
  • the exciting wire is connected to the on-site cathode busbar through the conductive busbar.
  • the electromagnetic pump of the present invention is a passive electromagnetic pump that does not require a DC power source, so only one cathode is designed, unlike the prior art, which requires two poles and a large DC power source device.
  • the magnetic conductive plate is an insulating material that is magnetically conductive and not electrically conductive. It is designed to improve the magnetic permeability efficiency regardless of the opening electromagnet.
  • the electromagnetic pump is designed according to the special process of the electrolytic cell. It can only be used for the aluminum in the electrolytic cell. It does not need any DC power supply device and belongs to the passive electromagnetic pump.
  • connection between the electromagnetic pump and the electrolytic cell is flanged. Unlike the conventional one-piece connection, since the production of the electrolytic cell is long-term, and the electromagnetic pump needs to be replaced in time, the connection of the present invention is a detachable connection, and the maintenance is convenient.
  • the flow control is flexible and convenient, and the flow can be precisely controlled, so that the pole pitch can be precisely controlled, and the electrolytic cell can be operated under optimal conditions.
  • the high-temperature aluminum liquid can be sucked out by the DC electromagnetic pump to finally realize the pipeline transportation of the aluminum liquid and prevent the oxidation of the aluminum liquid.
  • Figure 2 is a schematic cross-sectional view of the present invention.
  • Figure 3 is a schematic diagram of the operation of the present invention.
  • Figure 4 is a schematic view showing the structure of the main structure of the present invention.
  • Figure 5 is a schematic side view of the structure of the present invention.
  • the DC electromagnetic pump for the aluminum electrolytic cell of the present invention has the following structure:
  • the electromagnetic pump body 2 is an L-shaped tubular structure, and the electromagnetic pump body 2 can be made of alumina refractory concrete once.
  • the two sides of the electromagnetic pump body 2 are the inlet and the outlet, the diameter of the inlet end is larger than the diameter of the outlet end, and the middle is the liquid passage.
  • the pump body 2 of the electromagnetic pump is provided with a cathode 5 at the L corner, the same on both sides.
  • the magnetic plate 4 is disposed correspondingly to the position, and the two magnetic plates 4 are respectively connected to the N pole and the S pole of the electromagnet 6 , the cathode 5 and the magnetic conductive plate 4 constitute a pump groove, and the excitation coil 8 is set on the electromagnet 6 and the cathode 5 is connected to the field control box through the conductive busbar 3.
  • the excitation coil 8 is connected to the field control box via a conductive busbar.
  • the excitation coil is connected to the on-site cathode busbar through a conductive busbar.
  • the outlet end of the electromagnetic pump body 2 is connected to the draft tube 9 via a fixed flange 1.
  • the inlet end of the electromagnetic pump body 2 is connected to the electrolytic cell through a fixing flange 7.
  • the cathode 5 is made of an anode carbon material, and the cathode 5 is buried in the narrow side of the pump groove in the pump body 2 of the electromagnetic pump.
  • the anode carbon material is a conductive material.
  • the outer surface of the cathode 5 is at the same level as the inner surface of the electromagnetic pump body 2.
  • the electromagnet 6 is a high-magnetic silicon steel sheet or other material which can be used as an electromagnet.
  • the electrodes N and S of the electromagnet 6 are respectively connected to the magnetic conductive plates 4 which are buried on both sides of the pump groove in the electromagnetic pump body. Therefore, the direction of the magnetic field formed by the electromagnet and the direction of the current from the anode to the cathode are perpendicular to each other.
  • the outer surface of the magnetic conductive plate 4 is at the same level as the inner surface of the electromagnetic pump body 2.
  • the magnetic conductive plate 4 is made of a material that is magnetically conductive and non-conductive.
  • the above-described magnetic conductive plate 4 and cathode 5 are provided at a lower portion of the electromagnetic pump body 2 in the vertical direction.
  • the working principle of the present invention is as follows: As shown in FIG. 3, between the air gaps of the N pole and the S pole, there is a liquid metal channel and a pumping groove. When the electrodes on both sides of the pumping groove pass a direct current I to the liquid metal, The energized liquid metal generates an electromagnetic force F under the action of the magnetic field B, driving the liquid metal to flow along the pumping groove.
  • the ideal electromagnetic force F BIb, the force F of the liquid metal in the pumping groove is proportional to the magnetic induction intensity B and the current intensity I passed, and the direction of the electromagnetic force F is determined by the left-hand rule.
  • the DC electromagnetic pump of the invention is applied on the electrolysis of aluminum, and the aluminum liquid in the package can be changed to be closed transportation of the pipeline.
  • the invention is only applicable to the aluminum extraction of aluminum electrolytic cells.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

铝电解槽用直流电磁泵 技术领域
本发明涉及一种电磁泵， 特别是涉及一种用于输送金属液体的无 源直流电磁泵， 所述电磁泵适用于铝电解槽出铝之用。 背景技术
随着铝工业的飞速发展， 新建的电解铝厂越来越趋于大型化， 10~20万吨系列、 30~40万安培大型电解槽的广泛应用， 给电解出铝工 艺提出了严峻的要求： 不仅仅是出铝量大， 而且要出铝及时。 目前出 铝方法基本采用真空泵或射流泵两种方法。 不论那种方法都存在明显 缺陷， 都很难满足生产要求。 因为老方法是靠人为经验实现的， 很不 科学， 不能及时出铝， 使铝水平增高， 造成铝水二次氧化， 热损失增 大， 使电解槽运行不稳定， 降低电解效率， 出铝工劳动强; Ϊ大， 这导 致了成本增加以及人力浪费。 发明内容
本发明的目的就是针对目前出铝的方法阻碍了大规模生产电解铝 发展的需求， 而提供一种结构简单、 工作可靠、 体积小、 经济、 检修 方便、 适用于电解槽吸出高温铝液的直流电磁泵。
为达上述目的， 本发明是这样实现的： 一种铝电解槽用直流电磁 泵， 其特征在于， 具有电磁泵泵体、 阴极、 导磁板、 电磁铁和激磁线 囷， 所述电磁泵泵体为 L形结构， 在电磁泵泵体中的 L形角部位置设 有阴极， 在电磁泵泵体中的 L形角部位置两侧对应设置两块导磁板， 两块导磁板分别与电磁铁的 N极和 S极连接， 所述阴极和所述导磁板 构成了泵沟的组成部分， 所述激磁线圈套装在所述电磁铁上， 在所述 电磁泵中不存在阳极， 所述阴极与与现场控制箱连接。
优选地， 所述阴极采用阳极碳素材料予埋在电磁泵泵体内泵沟窄 面。
优选地， 所述阴极的外表面与电磁泵泵体的内表面处于同一水平 面。
优选地， 所述导磁板予埋在电磁泵泵体内泵沟宽面的两侧。 优选地: 所述导磁板的外表面与电磁泵泵体的内表面处于同一水 平面。
优选地， 所述电磁泵泵体是由矾土耐火混凝土一次捣制成型。 优选地， 所述电磁泵泵体的出口端与导流管通过固定法兰连接。 优选地， 所述电磁泵泵体的入口端通过固定法兰与电解槽连接。 优选地， 所述导磁板和阴极设置在电磁泵泵体的垂直方向的下部。 优选地， 所述电磁泵泵体为异径 L形管状结构， 入口端直径大于 出口端直径。
优选地, 所述阴极通过导电母排和现场控制箱连接。
优优选逸地地，， 所述激磁线圈通过导电母排与现场控制箱连接。
优选地, 所述激磁线圏通过导电母排与现场阴极母排连接。
根据本发明的电磁泵， 能够得到如下的优点和效果：
1、 本发明的电磁泵是一种无源电磁泵， 不需要用直流电源， 因此 只设计了一个阴极， 不像现有技术那样需要两极及一个庞大的直流电 源装置。
2、 为了提高磁场的强度， 设计了导磁板， 本导磁板是导磁而不导 电的绝缘材料， 与开口电磁铁无关， 是为了提高导磁效率而设计的。
3、 本电磁泵根据电解槽的特殊工艺而设计的， 只能用于电解槽出 铝， 不需用任何直流电源装置， 属于无源电磁泵。
4、 本电磁泵与电解槽（高温铝液储槽） 的连接使用法兰连接的。 与以往的一体式连接不同， 因电解槽的生产是长期的， 而电磁泵是需 要及时更换的， 本发明的连接为拆装式连接， 检修方便。
5、 在电磁泵中没有运动部件， 结构筒单， 工作可靠。
6、 对流量的控制灵活方便， 可精确控制流量， 以此可精确地控制 极距， 可使电解槽在最佳条件下运行。
7、 采用直流电磁泵吸出高温铝液洁净无渣。
8、 采用直流电磁泵吸出高温铝液最终可实现铝液输送管道化， 防 止铝液氧化。
9、 使用方便， 可机旁单台人手控制， 也可 PLC 集中控制， 计算 机自动控制。
10、 体积小经济， 制造简单， 一次捣制成型， 检修及安装方便。 附图说明
图 1是本发明使用状态结构示意图。
图 2是本发明剖视结构示意图。
图 3是本发明的工作原理图。
图 4是本发明主视结构示意图。
图 5是本发明侧视结构示意图。
图中： 1、 固定法兰； 2、 电磁泵泵体； 3、 导电母排； 4、 导磁板； 5、 阴极； 6、 电磁铁； 7、 固定法兰； 8、 激磁线圈； 9、 导流管。 具体实施方式
下面对本发明的实施例结合枏图加以详细描述， 但本发明的保护 范围不受实施例所限。
如图 1、 图 2、 图 4和图 5所示， 本发明铝电解槽用直流电磁泵结 构如下： 电磁泵泵体 2为 L形管状结构， 电磁泵泵体 2可以由矾土耐 火混凝土一次捣制成型； 电磁泵泵体 2 的两端为入口和出口， 入口端 的直径大于出口端的直径， 中间为液体通道， 电磁泵泵体 2 内其中 L 角处设有阴极 5, 两侧的相同位置对应设置导磁板 4， 两块导磁板 4分 別与电磁铁 6的 N极和 S极连接， 阴极 5和导磁板 4构成了泵沟， 激 磁线圈 8套装在电磁铁 6上， 阴极 5通过导电母排 3与现场控制箱连 接。 激磁线圈 8通过导电母排与现场控制箱连接。 激磁线圈通过导电 母排与现场阴极母排连接。 电磁泵泵体 2的出口端与导流管 9通过固 定法兰 1连接。 电磁泵泵体 2的入口端通过固定法兰 7与电解槽连接。
上述阴极 5采用阳极碳素材料制成， 阴极 5予埋在电磁泵泵体 2 内泵沟窄面侧。 阳极碳素材料为导电材料。 阴极 5 的外表面与电磁泵 泵体 2的内表面处于同一水平面。
上述电磁铁 6为高导磁硅钢片或其它可作为电磁铁的材料， 电磁 铁 6的电极 N极和 S极分别与予埋在电磁泵泵体内泵沟宽面两侧的导 磁板 4连接， 从而使电磁铁构成的磁场方向与阳极到阴极的电流方向 互为垂直。 导磁板 4的外表面与电磁泵泵体 2的内表面处于同一水平 面。 导磁板 4采用导磁不导电的材料制成。
如图 1和图 2所示上述的导磁板 4、阴极 5设置在电磁泵泵体 2垂 直方向的下部。 本发明的工作原理如下： 如图 3所示， 在 N极和 S极的气隙间， 有一液态金属通道一泵沟， 在泵沟两侧的电极， 向液态金属通入直流 电流 I时， 通电的液态金属在磁场 B的作用下产生电磁力 F， 驱动液 态金属沿泵沟流动。 根据公式： 理想的电磁力 F=BIb， 液态金属在泵 沟的受力 F与磁感应强度 B及通过的电流强度 I成正比， 电磁力 F的 方向用左手定则判断。
本发明的直流电磁泵在电解出铝上应用， 可改变台包运输铝液为 管道封闭式运输。 本发明仅适用于铝电解槽出铝之用。

Claims

权 利 要 求
1、一种铝电解槽用直流电磁泵，其特征在于，具有电磁泵泵体（ 2 )、 阴极（5) 、 导磁板（4) 、 电磁铁 (6)和激磁线團 （8) , 所述电磁 泵泵体为 L形结构， 在电磁泵泵体中的 L形角部位置设有阴极， 在电 磁泵泵体中的 L形角部位置两侧对应设置两块导磁板， 两块导磁板分 别与电磁铁的 N极和 S极连接， 所述阴极和所述导磁板构成了泵沟的 组成部分， 所述激磁线圈套装在所述电磁铁上， 在所述电磁泵中不存 在阳极， 所述阴极与现场控制箱连接。
2、 根据权利要求 1所述的铝电解槽用直流电磁泵， 其特征在于， 所述阴极（5) 由阳极碳素材料制成并予埋在电磁泵泵体（2) 内泵沟 窄面中。
3、 根据权利要求 1或 2所述的铝电解槽用直流电磁泵， 其特征在 于， 所述阴极（5) 的外表面与电磁泵泵体（2) 的内表面处于同一水 平面。
4、 根据权利要求 1所述的铝电解槽用直流电磁泵， 其特征在于， 所述导磁板（4) 予埋在电磁泵泵体（2) 内泵沟宽面的两侧。
5、 根据权利要求 1或 4所述的铝电解槽用直流电磁泵， 其特征在 于， 所述导磁板（4) 的外表面与电磁泵泵体（2) 的内表面处于同一 水平面。
6、 根据权利要求 1所述的铝电解槽用直流电磁泵， 其特征在于， 所述电磁泵泵体（2)是由矾土耐火混凝土一次捣制成型。
7、 根据权利要求 1或 6所述的铝电解槽用直流电磁泵， 其特征在 于， 所述电磁泵泵体（2)具有出口端， 所述出口端与导流管 （9)通 过固定法兰 （1)连接。
8、 根据权利要求 1或 6所述的铝电解槽用直流电磁泵， 其特征在 于， 所述电磁泵泵体（2)具有入口端， 所述入口端通过固定法兰（7) 与电解槽连接。
9、 根据权利要求 1所述的铝电解槽用直流电磁泵， 其特征在于， 所述导磁板（4)和阴极（5)设置在电磁泵泵体（2)垂直方向的下部。
10、 根据权利要求 1所述的铝电解槽用直流电磁泵， 其特征在于， 所述电磁泵泵体（2) 为异径 L形管状结构， 入口端直径大于出口端 直径。
11、 根据权利要求 1所述的铝电解槽用直流电磁泵， 其特征在于， 所述阴极（5 )通过导电母排（3 )和现场控制箱连接。
12、 根据权利要求 1所述的铝电解槽用直流电磁泵， 其特征在于， 所述激磁线圏 （8 )通过导电母排与现场控制箱连接。
13、 根据权利要求 1或 12所述的铝电解槽用直流电磁泵， 其特征 在于， 所述激磁线圈 （8 )通过导电母排与现场阴极母排连接。
PCT/CN2008/000919 2007-05-15 2008-05-09 Pompe électromagnétique à courant continu pour cellule électrolytique en aluminium WO2008138220A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710011299.0 2007-05-15
CN2007100112990A CN101063211B (zh) 2007-05-15 2007-05-15 一种铝电解槽用直流电磁泵

Publications (1)

Publication Number Publication Date
WO2008138220A1 true WO2008138220A1 (fr) 2008-11-20

Family

ID=38964491

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/000919 WO2008138220A1 (fr) 2007-05-15 2008-05-09 Pompe électromagnétique à courant continu pour cellule électrolytique en aluminium

Country Status (3)

Country Link
CN (1) CN101063211B (zh)
SA (1) SA08290299B1 (zh)
WO (1) WO2008138220A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010087916A1 (en) * 2009-01-30 2010-08-05 Alcoa Inc. Enhancement of aluminum tapping by application of targeted electromagnetic field

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101063211B (zh) * 2007-05-15 2010-11-03 沈阳铝镁设计研究院 一种铝电解槽用直流电磁泵
CN101709480B (zh) * 2009-10-29 2012-05-23 王露 电解时不消耗电能反而发电并析出物质的方法及装置
CN103900386B (zh) * 2014-04-15 2015-09-30 清华大学 一种液态铝合金电磁输送设备
CN108194306A (zh) * 2017-12-29 2018-06-22 胡芳丽 一种直流电磁泵
JP7315218B2 (ja) * 2019-12-24 2023-07-26 株式会社ヂーマグ 金属溶湯駆動装置および金属溶湯駆動方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586698A (en) * 1984-02-20 1986-05-06 Henri Carbonnel Lateral basin for electromagnetic pumping in a foundry
CN1095612C (zh) * 1999-11-17 2002-12-04 华北工学院 铝合金铸造用直流平面电磁泵
CN101063211A (zh) * 2007-05-15 2007-10-31 沈阳铝镁设计研究院 一种铝电解槽用直流电磁泵
CN201065439Y (zh) * 2007-07-03 2008-05-28 沈阳铝镁设计研究院 铝电解槽用直流电磁泵

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU793718A1 (ru) * 1979-01-04 1981-01-07 Специальное Конструкторское Бюромагнитной Гидродинамики Института Физики Вакуумный сифон дл перекачивани жидКиХ МЕТАллОВ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586698A (en) * 1984-02-20 1986-05-06 Henri Carbonnel Lateral basin for electromagnetic pumping in a foundry
CN1095612C (zh) * 1999-11-17 2002-12-04 华北工学院 铝合金铸造用直流平面电磁泵
CN101063211A (zh) * 2007-05-15 2007-10-31 沈阳铝镁设计研究院 一种铝电解槽用直流电磁泵
CN201065439Y (zh) * 2007-07-03 2008-05-28 沈阳铝镁设计研究院 铝电解槽用直流电磁泵

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010087916A1 (en) * 2009-01-30 2010-08-05 Alcoa Inc. Enhancement of aluminum tapping by application of targeted electromagnetic field
US8075747B2 (en) * 2009-01-30 2011-12-13 Alcoa Inc. Enhancement of aluminum tapping by application of targeted electromagnetic field
CN102301038A (zh) * 2009-01-30 2011-12-28 美铝公司 通过应用目标电磁场来提高出铝量
AU2009338699B2 (en) * 2009-01-30 2013-11-14 Alcoa Usa Corp. Enhancement of aluminum tapping by application of targeted electromagnetic field

Also Published As

Publication number Publication date
CN101063211A (zh) 2007-10-31
SA08290299B1 (ar) 2012-11-03
CN101063211B (zh) 2010-11-03

Similar Documents

Publication Publication Date Title
WO2008138220A1 (fr) Pompe électromagnétique à courant continu pour cellule électrolytique en aluminium
CN103567425A (zh) 一种高效中间包钢水的电磁感应加热装置
CN101285131B (zh) 电磁法提取高纯度金属镁炉
CN103184498A (zh) 滚刷式微弧氧化处理方法及装置
CN103900386A (zh) 一种液态铝合金电磁输送设备
CN203772021U (zh) 一种液态铝合金电磁输送设备
CN203284488U (zh) 一种铝合金阳极氧化装置
CN101018005B (zh) 直流电磁泵
CN201048342Y (zh) 直流电磁泵
CN208656617U (zh) 液态金属电磁泵组件
CN217479558U (zh) 一种水蒸气等离子体制氢系统
CN201065439Y (zh) 铝电解槽用直流电磁泵
CN212270248U (zh) 一种感应加热酸洗槽
CN202044952U (zh) 化工电磁感应设备
CN214444077U (zh) 一种磁吸式焊接辅助装置
CN208776849U (zh) 一种微蚀低含铜废水环保处理用电积铜回收装置
CN111560620A (zh) 感应加热酸洗槽
CN106783000A (zh) 一种液压传动永磁搅拌器的永磁体
CN108362143A (zh) 一种防垢管板式换热器
CN213537569U (zh) 一种通过电学途径产生絮凝效果的污水处理装置
CN205732453U (zh) 一种高压互感器壳体加工用拔口机
CN101075776B (zh) 一种直流电磁泵用的导流管
CN214570002U (zh) 一种带有冷却系统的耐高温起重电磁铁
CN205702353U (zh) 电磁搅拌器冷却水系统
CN217110499U (zh) 一种石膏煅烧炉给风装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08748477

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC, EPO FORM 1205A DATED 29.01.2010

122 Ep: pct application non-entry in european phase

Ref document number: 08748477

Country of ref document: EP

Kind code of ref document: A1