{"id":1189,"date":"2021-02-23T21:40:02","date_gmt":"2021-02-23T21:40:02","guid":{"rendered":"https:\/\/themetalink.com\/wp_new\/?page_id=1189"},"modified":"2022-05-26T15:19:58","modified_gmt":"2022-05-26T15:19:58","slug":"cathode-voltage-drop-control","status":"publish","type":"page","link":"https:\/\/themetalink.com\/?page_id=1189","title":{"rendered":"CATHODE VOLTAGE DROP CONTROL"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1189\" class=\"elementor elementor-1189\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-14473048 elementor-section-full_width elementor-section-height-min-height elementor-section-content-top elementor-section-height-default elementor-section-items-middle\" data-id=\"14473048\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-687d60c4\" data-id=\"687d60c4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f5929cb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f5929cb\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2f303f10\" data-id=\"2f303f10\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a920fd elementor-widget elementor-widget-global elementor-global-2393 elementor-widget-shortcode\" data-id=\"4a920fd\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><div id=\"bellows-main-20\" class=\"bellows bellows-nojs bellows-main bellows-source-menu bellows-align-full bellows-skin-vanilla bellows-type- bellows-expand-current\"><ul id=\"menu-solutions-menu\" class=\"bellows-nav\" data-bellows-config=\"main\"><li id=\"menu-item-741\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-has-children bellows-menu-item-741 bellows-item-level-0\"><span  class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">STEEL<\/span><button class=\"bellows-subtoggle\" aria-label=\"Toggle Submenu\"><i 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bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1079\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">SLAG PROBES<\/span><\/a><\/li>\n\t<li id=\"menu-item-806\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-806 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1095\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">CARBON CONTROL<\/span><\/a><\/li>\n\t<li id=\"menu-item-807\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-807 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1107\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">HYDROGEN CONTROL<\/span><\/a><\/li>\n\t<li id=\"menu-item-808\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-808 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1115\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">SUBLANCE &#038; DROP SENSORS<\/span><\/a><\/li>\n\t<li id=\"menu-item-809\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-809 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1127\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">COMBINED SENSORS<\/span><\/a><\/li>\n\t<li id=\"menu-item-810\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-810 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1149\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">SAMPLING<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-745\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-has-children bellows-menu-item-745 bellows-item-level-0\"><span  class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">ALUMINIUM<\/span><button class=\"bellows-subtoggle\" aria-label=\"Toggle Submenu\"><i class=\"bellows-subtoggle-icon-expand fa fa-chevron-down\"><\/i><i class=\"bellows-subtoggle-icon-collapse fa fa-chevron-up\"><\/i><\/button><\/span>\n<ul class=\"bellows-submenu\">\n\t<li id=\"menu-item-746\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-746 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1181\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">BATH TEMPERATURE &#038; CHEMISTRY MEASUREMENT<\/span><\/a><\/li>\n\t<li id=\"menu-item-811\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-811 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1189\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">CATHODE VOLTAGE DROP CONTROL<\/span><\/a><\/li>\n\t<li id=\"menu-item-812\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-812 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1197\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">TEMPERATURE CONTROL<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-747\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-has-children bellows-menu-item-747 bellows-item-level-0\"><span  class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">COPPER<\/span><button class=\"bellows-subtoggle\" aria-label=\"Toggle Submenu\"><i class=\"bellows-subtoggle-icon-expand fa fa-chevron-down\"><\/i><i class=\"bellows-subtoggle-icon-collapse 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PLATES<\/span><\/a><\/li>\n\t<li id=\"menu-item-1451\" class=\"bellows-menu-item bellows-menu-item-type-custom bellows-menu-item-object-custom bellows-menu-item-1451 bellows-item-level-1\"><a  href=\"https:\/\/themetalink.com\/?page_id=1558\" class=\"bellows-target\"><span class=\"bellows-target-title bellows-target-text\">TUNDISH SLIDE-GATE QUALITY PALATES<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul><\/div><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1226fd10\" data-id=\"1226fd10\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-61f1a152 elementor-widget elementor-widget-text-editor\" data-id=\"61f1a152\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span style=\"color: #ee342f;\">ALUMINUM<\/span><\/h3><p>Bath temperature measurement, Liquidus temperature (superheat) and cathode voltage drop sensors are offered for the application in Cryolite reduction cells of the primary aluminum industry.<\/p><h4>CATHODE VOLTAGE DROP CONTROL<\/h4><p>Measuring the voltage drop across the cathode in electrolysis for the production of primary aluminum is a known control procedure to measure the state of graphite cathode blocks.<\/p><p>The measurement of the cathode voltage drop provides valuable status information of the cathode during operation. Accurate measurement of this parameter allows optimizing the operating voltage and organizing continuous monitoring of deviations from the normal course of the process, for example, an excessive rise of the ledge on cathode blocks and formation of sludge. With the control of the cathode voltage drop the behavior of the various operational types of cathodes blocks may be compared.<\/p><p>Until now, there was no unified method for the determination of this parameter and each smelter used its own measurement technology. Usually, a steel rod was immersed to the bottom of the bath and connected to a voltmeter. The second terminal of the voltmeter was connected to the supply bar cell. This method is very inconvenient to implement, has low accuracy and poor reproducibility due to the instability of the freezing of Cryolite on the steel bar and its subsequent melting on contact with molten aluminum.<\/p><p>To eliminate the above-mentioned disadvantages we have developed a combined probe Meta C-V-Therm\u2122 for measuring the temperature Cryolite bath and the cathode voltage drop. This probe includes a Pt-PtRh thermocouple and an external electrode of a thin molybdenum wire connected to one of the thermocouple terminals. A molybdenum wire makes electrical contact with the liquid aluminum, which in turn is in contact with the cathode without a significant voltage drop. Due to the fact that the accumulating ability of molybdenum wire is extremely small, only a little amount of Cryolite freezes onto it, which rapidly melts upon contact with molten aluminum.<\/p><p><span style=\"color: #feca01;\"><strong>Sensor:<\/strong><\/span> Meta C-V-Therm\u2122<\/p><p><a href=\"https:\/\/themetalink.com\/wp_new\/wp-content\/uploads\/2021\/02\/digi2_image_w1300-150x150-1.jpg\">\u00a0\u00a0<\/a> <a href=\"http:\/\/themetalink.com\/wp-content\/uploads\/2021\/02\/CVD_sensors_-_with_tesa_image_w1300-150x150-1.png\"><img decoding=\"async\" class=\"alignleft wp-image-1887 size-full\" src=\"http:\/\/themetalink.com\/wp-content\/uploads\/2021\/02\/CVD_sensors_-_with_tesa_image_w1300-150x150-1.png\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>ALUMINUM Bath temperature measurement, Liquidus temperature (superheat) and cathode voltage drop sensors are offered for the application in Cryolite reduction cells of the primary aluminum industry. CATHODE VOLTAGE DROP CONTROL Measuring the voltage drop across the cathode in electrolysis for the production of primary aluminum is a known control procedure to measure the state of [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-1189","page","type-page","status-publish","hentry"],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/themetalink.com\/index.php?rest_route=\/wp\/v2\/pages\/1189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/themetalink.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/themetalink.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/themetalink.com\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/themetalink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1189"}],"version-history":[{"count":0,"href":"https:\/\/themetalink.com\/index.php?rest_route=\/wp\/v2\/pages\/1189\/revisions"}],"wp:attachment":[{"href":"https:\/\/themetalink.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}