{"id":3255,"date":"2026-02-18T10:32:04","date_gmt":"2026-02-18T07:02:04","guid":{"rendered":"https:\/\/aspref.com\/%d8%b9%d9%84%d9%85%db%8c-en\/%d9%85%d9%82%d8%a7%db%8c%d8%b3%d9%87-%d8%ac%d8%af%d8%a7%d8%b1%d9%87-%d8%af%d8%a7%d8%a6%d9%85%db%8c-%d8%aa%d8%a7%d9%86%d8%af%db%8c%d8%b4-%d8%ac%d8%b1%d9%85%d9%87%d8%a7%db%8c-%da%a9%d9%85\/"},"modified":"2026-04-25T14:50:00","modified_gmt":"2026-04-25T11:20:00","slug":"permanent-tundish-lining","status":"publish","type":"post","link":"https:\/\/aspref.com\/en\/scientific\/permanent-tundish-lining\/","title":{"rendered":"Permanent Tundish Lining: LCC vs. Sol-Bonded Castables for Energy Reduction"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3255\" class=\"elementor elementor-3255 elementor-3234\" data-elementor-settings=\"{&quot;element_pack_global_tooltip_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_padding&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true}}\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d01318 e-flex e-con-boxed e-con e-parent\" data-id=\"5d01318\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-afff9cc elementor-widget elementor-widget-text-editor\" data-id=\"afff9cc\" data-element_type=\"widget\" data-e-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<h1>Permanent Tundish Lining: Low Cement Castables (LCC) vs. Sol-Bonded Castables<\/h1>\n\n<p>\nThe permanent lining of a tundish plays a critical role in ensuring safe and stable continuous casting operations. The selection of refractory materials for this layer directly affects energy consumption, operational efficiency, lining lifetime, and environmental impact.\n<\/p>\n\n<p>\nWith increasing energy costs and stricter CO\u2082 emission regulations, modern refractory technologies such as <strong>sol-bonded castables<\/strong> are increasingly replacing conventional <strong>low cement castables (LCC)<\/strong>.\n<\/p>\n\n<h2>What Is Permanent Lining in a Tundish?<\/h2>\n\n<p>\nThe permanent lining acts as the final protective barrier between molten steel and the tundish steel shell. Its primary function is to prevent steel breakout while maintaining structural integrity under high temperatures and thermal stresses.\n<\/p>\n\n<p>\nWith proper maintenance, the permanent lining can remain in operation for extended periods, making material selection a crucial decision.\n<\/p>\n\n<h2>Low Cement Castables (LCC)<\/h2>\n\n<p>\nLCCs are widely used in permanent linings due to their good mechanical properties and refractoriness. These materials rely on hydraulic bonding, requiring the addition of water during mixing.\n<\/p>\n\n<p>\nAfter installation, a controlled drying process is necessary to remove both free and chemically bound water.\n<\/p>\n\n<h3>Challenges of LCC<\/h3>\n\n<ul>\n  <li>Long drying time (up to 50+ hours)<\/li>\n  <li>High energy consumption<\/li>\n  <li>Risk of steam explosion if improperly dried<\/li>\n  <li>Need for controlled heat-up schedules<\/li>\n<\/ul>\n\n<h2>Sol-Bonded Castables<\/h2>\n\n<p>\nSol-bonded castables utilise colloidal silica as a binder, where water is not chemically bound. This allows moisture to evaporate at lower temperatures, enabling faster and safer drying.\n<\/p>\n\n<h3>Advantages of Sol-Bonded Materials<\/h3>\n\n<ul>\n  <li>Significantly reduced drying time (~20 hours)<\/li>\n  <li>Lower natural gas consumption<\/li>\n  <li>Reduced CO\u2082 emissions<\/li>\n  <li>Higher permeability and safety during heat-up<\/li>\n  <li>Improved operational availability<\/li>\n  <li>Longer service life<\/li>\n<\/ul>\n\n<h2>Performance Comparison<\/h2>\n\n<p>\nIndustrial data shows that switching from LCC to sol-bonded castables can reduce gas consumption by more than 70%. This leads to substantial savings in both energy costs and carbon-related expenses.\n<\/p>\n\n<h2>Why Material Selection Matters<\/h2>\n\n<p>\nModern steel plants consider not only initial material costs but also total cost of ownership (TCO), including:\n<\/p>\n\n<ul>\n  <li>Energy consumption<\/li>\n  <li>Downtime reduction<\/li>\n  <li>CO\u2082 emissions<\/li>\n  <li>Operational efficiency<\/li>\n<\/ul>\n\n<h2>Technical Consultation<\/h2>\n\n<p>\nSelecting the appropriate refractory system depends on operational conditions and production requirements. <strong>Azarshid Pars Refractory Products<\/strong> provides expert consultation and high-quality refractory solutions for steel industries.\n<\/p>\n\n<p>\nFor consultation and purchasing, please contact:\n<\/p>\n\n<p>\n<a href=\"tel:09132519644\"><strong>09132519644<\/strong><\/a>\n<\/p>\n\n<h2>Conclusion<\/h2>\n\n<p>\nSol-bonded castables represent an advanced solution for improving energy efficiency, reducing CO\u2082 emissions, and increasing productivity in tundish operations. Transitioning from traditional LCC systems can significantly enhance overall process performance.\n<\/p>\n<strong>Source:<\/strong> <a href=\"https:\/\/rhimagnesita.com\" target=\"_blank\" rel=\"noopener noreferrer\">RHI<\/a>\n\n\n<h2>FAQ<\/h2>\n\n<h3>What is the function of permanent lining?<\/h3>\n<p>\nIt protects the steel shell from molten steel and ensures operational safety.\n<\/p>\n\n<h3>Why are sol-bonded castables preferred?<\/h3>\n<p>\nThey reduce drying time, energy consumption, and improve safety.\n<\/p>\n\n<h3>Do sol-bonded materials reduce costs?<\/h3>\n<p>\nYes, through energy savings and improved productivity.\n<\/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\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Sol-bonded castables reduce drying time and energy consumption in tundish permanent linings, offering a sustainable alternative to LCC.<\/p>\n","protected":false},"author":1,"featured_media":3244,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-3255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scientific"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Permanent Tundish Lining: LCC vs Sol-Bonded Castables | Energy Saving<\/title>\n<meta name=\"description\" content=\"Compare low cement castables and sol-bonded castables for tundish lining. 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