{"id":87382,"date":"2025-06-20T10:29:52","date_gmt":"2025-06-20T02:29:52","guid":{"rendered":"https:\/\/keruiref.com\/?p=87382"},"modified":"2025-07-24T11:31:13","modified_gmt":"2025-07-24T03:31:13","slug":"ladle-covering-agent","status":"publish","type":"post","link":"https:\/\/keruiref.com\/zh\/ladle-covering-agent\/","title":{"rendered":"\u94a2\u5305\u8986\u76d6\u5242"},"content":{"rendered":"<p><strong>What is Ladle Covering Agents:<\/strong><\/p>\n<p><a href=\"https:\/\/keruiref.com\/zh\/ladle-covering-agent\/\"><strong>Ladle covering agents<\/strong><\/a> are functional materials used to cover the molten steel surface in ladles during steelmaking, with core functions including:<\/p>\n<p>Thermal insulation: Reducing heat loss to maintain pouring temperature stability;<br \/>\nAnti-oxidation: Isolating air to prevent secondary oxidation of molten steel;<br \/>\nInclusion adsorption: Purifying molten steel through slag-metal interface reactions;<br \/>\nImpact buffering: Mitigating splashing and slag entrainment during steel pouring.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-87380\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/06\/Ladle-Covering-Agent.webp\" alt=\"\" width=\"800\" height=\"518\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/06\/Ladle-Covering-Agent.webp 800w, https:\/\/keruiref.com\/wp-content\/uploads\/2025\/06\/Ladle-Covering-Agent-300x194.webp 300w, https:\/\/keruiref.com\/wp-content\/uploads\/2025\/06\/Ladle-Covering-Agent-768x497.webp 768w, https:\/\/keruiref.com\/wp-content\/uploads\/2025\/06\/Ladle-Covering-Agent-18x12.webp 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>Typical Components of Ladle Covering Agents:<\/strong><\/p>\n<p>Their typical components are dominated by Al\u2082O\u2083, SiO\u2082, and CaO, supplemented with heating agents (e.g., Al powder) and lightweight thermal insulation materials (e.g., float beads).<\/p>\n<p><strong>Classified by function of Ladle Covering Agents:<\/strong><\/p>\n<p>Heat-generating type: Compensates for temperature loss via exothermic reactions, suitable for long-time casting or low-temperature steel grades;<br \/>\nInsulating type: Uses low thermal conductivity materials as the matrix, focusing on heat preservation with lower costs;<br \/>\nComposite type: Integrates both heat generation and insulation, adapting to complex process requirements.<br \/>\nPerformance requirements: Melting point &lt;1200\u00b0C, low viscosity, basicity (CaO\/SiO\u2082) 1.0\u20131.5, and rapid slag formation capability.<\/p>\n<p><a href=\"https:\/\/keruiref.com\/zh\/\" target=\"_blank\" rel=\"noopener\"><strong>\u79d1\u745e\u8010\u706b\u6750\u6599<\/strong><\/a> supplies different types of <a href=\"https:\/\/keruiref.com\/zh\/%e4%ba%a7%e5%93%81\/\" target=\"_blank\" rel=\"noopener\"><strong>ladle refractory materials<\/strong><\/a> and ladle covering agents and other related materials. Please contact us for any needs.<\/p>","protected":false},"excerpt":{"rendered":"\u4ec0\u4e48\u662f\u94a2\u5305\u5305\u8986\u5242\uff1a\u94a2\u5305\u8986\u76d6\u5242\u662f\u5728\u70bc\u94a2\u8fc7\u7a0b\u4e2d\u7528\u4e8e\u8986\u76d6\u94a2\u5305\u4e2d\u94a2\u6c34\u8868\u9762\u7684\u529f\u80fd\u6027\u6750\u6599\uff0c\u5176\u6838\u5fc3\u529f\u80fd\u5305\u62ec\u9694\u70ed\uff1a\u51cf\u5c11\u70ed\u91cf\u635f\u5931\uff0c\u4fdd\u6301\u6d47\u6ce8\u6e29\u5ea6\u7a33\u5b9a\uff1b\u6297\u6c27\u5316\uff1a\u9694\u79bb\u7a7a\u6c14\uff0c\u9632\u6b62\u94a2\u6c34\u4e8c\u6b21\u6c27\u5316\u3002 <a title=\"\u94a2\u5305\u8986\u76d6\u5242\" class=\"read-more\" href=\"https:\/\/keruiref.com\/zh\/ladle-covering-agent\/\" aria-label=\"More on Ladle Covering Agent\">\u66f4\u591a\u4fe1\u606f<\/a>","protected":false},"author":1,"featured_media":87380,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,3],"tags":[],"class_list":["post-87382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-news","no-featured-image-padding","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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