Process for measuring an electrochemical activity
    1.
    发明授权
    Process for measuring an electrochemical activity 有权
    测量电化学活性的方法

    公开(公告)号:US5989408A

    公开(公告)日:1999-11-23

    申请号:US132656

    申请日:1998-08-12

    CPC classification number: G01N27/4118 C21B7/24 C21C5/4673 G01N27/411

    Abstract: A a process as well as an immersion sensor for measuring an electrochemical activity of a layer lying on a melt is provided, using an electrochemical sensor, which has a measuring cell and a counter electrode. In order to make possible reliably reproducible and accurate measurements in the layer, the measuring cell and counter electrode are first immersed in the melt, wherein the measuring cell and counter electrode are protected from contact with the layer and wherein the measuring cell and counter electrode are brought into contact with the melt and are heated. After that, the measuring cell is pulled up to perform the measurement in the layer, wherein the counter electrode is located in the melt during the measurement. For this purpose, the measuring cell and the counter electrode have a protective cover, and the measuring cell is arranged, in the immersion position of the sensor, above the counter electrode.

    Abstract translation: 提供了一种用于测量位于熔体上的层的电化学活性的浸渍传感器的方法,其使用具有测量单元和对电极的电化学传感器。 为了使层中的可靠的可再现性和精确度的测量,首先将测量单元和对电极浸入熔体中,其中保护测量单元和对电极不与层接触,并且其中测量单元和对电极是 与熔体接触并加热。 之后,将测量单元拉起以在层中进行测量,其中对电极在测量期间位于熔体中。 为此,测量单元和对置电极具有保护盖,并且测量单元布置在传感器的浸没位置上方的对置电极上。

    Method of using oxygen measuring probe
    2.
    发明授权
    Method of using oxygen measuring probe 失效
    使用氧气测量探头的方法

    公开(公告)号:US5480523A

    公开(公告)日:1996-01-02

    申请号:US357788

    申请日:1994-12-16

    CPC classification number: G01N27/411

    Abstract: An oxygen measuring probe for use with molten metal baths for the manufacture of glass which probe comprises a probe body (4) comprising an elongate tubular member (6) closed at one end by a separate tip part (8) formed of stabilised zirconia which constitutes a solid electrolyte through which oxygen ions can pass, said tubular member (6) being formed of a heat-resistant material different from said zirconia, a first electrode (16) connected to the inner surface of the zirconia tip part (8), earthing means adapted for connection to earth out of contact with the molten metal and voltage measuring means (24) connected between the first electrode (16) and said earthing means (26).

    Abstract translation: 一种用于制造玻璃的熔融金属浴的氧测量探针,该探针包括探针体(4),探针体(4)包括细长管状构件(6),该细长管状构件(6)通过由稳定的氧化锆形成的单独的尖端部分(8)封闭, 所述管状构件(6)由不同于所述氧化锆的耐热材料形成,与氧化锆尖端部分(8)的内表面连接的第一电极(16),接地 用于连接到与熔融金属接触的装置和连接在第一电极(16)和所述接地装置(26)之间的电压测量装置(24)的装置。

    System for determining amount of an element dissolved in a molten metal

    公开(公告)号:US3755126A

    公开(公告)日:1973-08-28

    申请号:US3755126D

    申请日:1970-07-15

    CPC classification number: G01N27/411

    Abstract: A probe is provided for determining the amount of dissolved gas, (e.g. oxygen) in a molten metal (e.g. steel). It includes a disposable tip including three essential elements. The first element is a solid electrolyte which retains its ionic conduction properties and which does not exhibit substantial electronic conduction properties at the temperature of the molten metal. The electrolyte is a compact which has been individually formed by a technique which includes first pressure compacting and then sintering a free flowing mixture of the solid electrolyte and a suitable fugitive binder and preferably also a small amount of a suitable high temperature binder. The second element is a heatresistant, substantially electrically non-conductive tube. The compact, which has a relative density, of about 70 percent, and which has an axial depression therein, is disposed and secured at one open end of the heat-resistant tube. The third element is at least one electrically conductive metallic element in intimate electrical contact with the electrolyte. Preferably, the disposable tip includes, and is disposed in, a fourth element, namely a plug which is formed of heat-resistant, substantially electrically non-conductive material, the plug being provided with a longitudinally extending aperture therethrough. Preferably also, the tip includes a fifth element, namely a tube formed of a structurally rigid, electrically conductive metal which secures the plug in one of its open ends. The tube has a major portion of its length non-degradable in the molten metal being tested. The tip is associated with a structurally rigid, heat-resistant, electrically conductive lance, to provide a mechanical assembly of the probe tip and the lance so that a component of the lance then is also in electrical contact with the electrically conductive metallic element which is in intimate electrical contact with the solid electrolyte, and also to provide the connection to a source of the reference gas.

    Apparatus for measuring in a continuous manner the oxygen in a molten metal
    6.
    发明授权
    Apparatus for measuring in a continuous manner the oxygen in a molten metal 失效
    用于连续测量冶金中的氧气的装置

    公开(公告)号:US3719574A

    公开(公告)日:1973-03-06

    申请号:US3719574D

    申请日:1970-07-06

    Inventor: RICHARDSON F

    CPC classification number: G01N27/411 G01N27/4118

    Abstract: Apparatus for the continuous measurement by immersion of oxygen contained in a molten metal which includes solid oxygen electrolyte rod or strip; reference electrode having known oxygen potential; means for measuring the electrochemical potential present between the reference electrode and the metal which is to be tested; a protective tube surrounding the electrolyte; and wherein the electrolyte is held in the end of the tube by means of an oxide cement.

    Abstract translation: 用于通过浸渍包含在包括固体氧电解质棒或条带的熔融金属中的氧的连续测量的装置; 具有已知氧气的参比电极; 用于测量参考电极和待测试金属之间存在的电化学电位的装置; 围绕电解质的保护管; 并且其中所述电解质通过氧化物粘合剂保持在所述管的端部中。

    Method for monitoring the oxygen and carbon contents in a molten metal
    7.
    发明授权
    Method for monitoring the oxygen and carbon contents in a molten metal 失效
    用于监测金属中的氧和碳含量的方法

    公开(公告)号:US3652427A

    公开(公告)日:1972-03-28

    申请号:US3652427D

    申请日:1969-12-22

    Applicant: LITTLE INC A

    CPC classification number: G01N27/411

    Abstract: Method and apparatus for continuously measuring the oxygen and carbon contents of a molten metal, particularly of iron in a BOF furnace. A wire containing as a component a metal which is a getter for oxygen continuously fed into the melt. A concentration cell is established and the EMF developed is used as a measure of oxygen content. Carbon content is a function of the reciprocal of the oxygen and is calculated therefrom. Automatic control over the oxygen feed results in automatic control over the carbon content. When the EMF of the cell is temperature dependent, means are incorporated for simultaneously measuring the melt temperature.

    Abstract translation: 用于连续测量BOF炉中熔融金属,特别是铁的氧和碳含量的方法和装置。 包含作为连续供入到熔体中的氧的吸气剂的金属作为组分的线材。 建立了一个浓度池,并将EMF开发用作氧含量的量度。 碳含量是氧的倒数的函数,由此计算。 自动控制氧气进料可以自动控制碳含量。 当电池的EMF是温度依赖性时,并入装置以同时测量熔体温度。

    High Temperature Electrochemical Characterization of Molten Metal Corrosion
    9.
    发明申请
    High Temperature Electrochemical Characterization of Molten Metal Corrosion 有权
    熔融金属腐蚀的高温电化学表征

    公开(公告)号:US20090101522A1

    公开(公告)日:2009-04-23

    申请号:US12128954

    申请日:2008-05-29

    CPC classification number: G01N27/411

    Abstract: A system and method for the high temperature in-situ determination of corrosion characteristics of a molten metal on an alloy under study is provided which takes place within an insulated furnace. A graphite crucible provided in the furnace contains an electrolyte formed from a molten salt of a metal halide. A reference electrode formed from the same metal as the electrolyte is immersed in the electrolyte solution in the graphite crucible. A beta-alumina crucible containing a molten metal is also provided within the furnace and preferably within the graphite crucible. A measuring electrode formed from the alloy under study is immersed in the molten metal. Standard electrochemical techniques are used to measure and analyze the electrochemical effects of corrosion of the molten metal on the alloy.

    Abstract translation: 提供了一种在绝缘炉内进行高温原位测定熔融金属在正在研究的合金上的腐蚀特性的系统和方法。 设置在炉中的石墨坩埚含有由金属卤化物的熔融盐形成的电解质。 由与电解质相同的金属形成的参比电极浸入石墨坩埚中的电解液中。 在炉内还优选在石墨坩埚内设置含有熔融金属的β-氧化铝坩埚。 将由研究的合金形成的测量电极浸入熔融金属中。 使用标准电化学技术来测量和分析熔融金属对合金的腐蚀的电化学效应。

    Continuous oxygen content monitor
    10.
    发明授权
    Continuous oxygen content monitor 失效
    连续含氧量监测仪

    公开(公告)号:US5596134A

    公开(公告)日:1997-01-21

    申请号:US419577

    申请日:1995-04-10

    CPC classification number: G01N27/4115 G01N27/411

    Abstract: A continuous oxygen content monitor has a reference electrode embedded in a powdered chrome-chrome-oxide mixture and a counter electrode embedded in an elongate alumina-graphite sleeve which acts as the probe support body. Two hallow and spacer ablative steel domes encase the reference electrode and an intermediate air gap spacing and provide insulation to prevent thermal shock from damaging the monitor during insertion into the metal melt. A circuit provides counter emf across the sensing electrodes to prevent ion depletion of the reference material.

    Abstract translation: 连续氧含量监测器具有嵌入粉末状铬 - 铬 - 氧化物混合物中的参比电极和嵌入在用作探针支撑体的细长氧化铝 - 石墨套筒中的对电极。 两个中间和隔离器烧蚀钢圆顶包围参考电极和中间气隙间隔,并提供绝缘,以防止热插入金属熔体期间热冲击损坏显示器。 电路在感测电极之间提供反电动势,以防止参考材料的离子耗尽。

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