{"id":12167,"date":"2025-03-10T10:39:16","date_gmt":"2025-03-10T09:39:16","guid":{"rendered":"https:\/\/sxe-consulting.com\/?p=12167"},"modified":"2025-02-06T11:24:47","modified_gmt":"2025-02-06T10:24:47","slug":"refractories-and-hybrid-furnaces-towards-greener-glass","status":"publish","type":"post","link":"https:\/\/sxe-consulting.com\/en\/refractaires-et-fours-hybrides-vers-un-verre-plus-vert\/","title":{"rendered":"The upgrading of refractories in hybrid furnaces: towards greener glass"},"content":{"rendered":"<p data-spm-anchor-id=\"5aebb161.2ef5001f.0.i5.14b05171TqHAAG\">In a world where energy efficiency, the <a href=\"https:\/\/www.glass-international.com\/features\/decarbonising-the-glass-industry-the-role-of-refractory-solutions\" target=\"_blank\" rel=\"noopener\">reduction of carbon<\/a> emissions and sustainability are at the heart of industrial concerns, the glass sector is no exception. Among the key innovations transforming this field, the development of new refractories for hybrid furnaces represents a major step forward. These hybrid furnaces, combining flame and electric heating, require refractory products capable of withstanding extreme operating conditions while optimising the overall performance of the installations. Here is an overview of current and future trends in this area.<\/p>\n<h3><strong>Understanding the Challenges of Hybrid Furnaces<\/strong><\/h3>\n<p>Hybrid furnaces face particularly demanding environments, characterised by high temperatures, rapid thermal variations and corrosive atmospheres. These conditions make the use of high-performance refractories essential in order to guarantee both the longevity and the efficiency of the equipment. The materials used must not only withstand these constraints, but also minimise thermal losses and improve the environmental footprint of the installations.<\/p>\n<h3><strong>Refractory Materials Suited to Hybrid Furnaces<\/strong><\/h3>\n<p>The selection of materials is crucial in meeting the specific needs of hybrid furnaces. Here are a few emblematic examples:<\/p>\n<ul>\n<li><strong>Fused Cast AZS (Alumina-Zirconia-Silica) <\/strong>: These <a href=\"https:\/\/sxe-consulting.com\/en\/refractories-a-shield-against-extreme-heat\/\">refractory materials<\/a> are widely used for their exceptional resistance to corrosion and erosion, particularly in areas in direct contact with molten glass.<\/li>\n<li><strong>High-Performance Zirconia <\/strong>: Ideal for tuckstones and superstructures, zirconia offers excellent resistance to corrosion, although it is more sensitive to thermo-mechanical stresses. Composite solutions incorporating ceramic shields are being developed to overcome this limitation.<\/li>\n<li><strong>Low-Exudation Materials <\/strong>: Designed to limit material losses in liquid form, materials such as Lowex-AZS are favoured for the crowns of oxy-fuel furnaces.<\/li>\n<\/ul>\n<h3><strong>Technological Innovations to Optimise Refractory Materials<\/strong><\/h3>\n<p>Technological progress plays a fundamental role in improving refractory products. Two areas stand out in particular:<\/p>\n<ul>\n<li><strong>Digital Simulation <\/strong>: Thanks to sophisticated tools, it is now possible to model the wear of refractory materials according to specific operating conditions. This makes it possible to optimise the choice of materials and to extend the service life of the furnaces.<\/li>\n<li><strong>Real-Time Monitoring <\/strong>: The integration of sensors into refractory products makes it possible to monitor their condition continuously. This proactive approach helps to anticipate maintenance work, thereby reducing the risk of critical failure.<\/li>\n<\/ul>\n<h3><strong>Impact on Energy Efficiency<\/strong><\/h3>\n<p>Modern refractories contribute significantly to reducing the thermal losses of hybrid furnaces. By using materials with low thermal conductivity and advanced insulation solutions, it is possible to reduce energy consumption considerably. This optimisation is essential in order to meet the energy transition objectives of the glass industry.<\/p>\n<h3><strong>A Sustainable and Circular Approach<\/strong><\/h3>\n<p>The sustainability of refractories is no longer measured solely by their mechanical or thermal resistance, but also by their environmental impact. Two main avenues are emerging:<\/p>\n<ul>\n<li><strong>Extending the Service Life of Furnaces <\/strong>: Higher-quality refractories make it possible to extend production campaigns, thereby reducing maintenance costs and downtime.<\/li>\n<li><strong>Recycling of Used Refractory Materials <\/strong>: Innovative initiatives aim to turn refractory waste into secondary raw materials. This approach fits squarely within a circular economy, encouraging responsible resource management.<\/li>\n<\/ul>\n<h3><strong>Future Trends: Towards an Even More Innovative Glass Industry<\/strong><\/h3>\n<p>New prospects are opening up for refractory products in hybrid furnaces:<\/p>\n<ul>\n<li><strong>Hydrogen and Alternative Fuels <\/strong>: With the rise of hydrogen as a clean fuel, refractories must adapt to more corrosive conditions, particularly in the presence of water vapour and alkalis. Research is under way to design materials that resist these environments.<\/li>\n<li><strong>Customisation through 3D Printing <\/strong>: This revolutionary technology makes it possible to create bespoke refractory materials, optimising their performance and durability in specific hybrid furnace configurations.<\/li>\n<\/ul>\n<h3><strong>Conclusion<\/strong><\/h3>\n<p data-spm-anchor-id=\"5aebb161.2ef5001f.0.i6.14b05171TqHAAG\">The upgrading of refractories in hybrid furnaces is a decisive step towards a more efficient and more sustainable glass industry. By combining innovative materials, cutting-edge technologies and an environmentally responsible approach, glass manufacturers can not only improve their operational processes, but also actively contribute to reducing their environmental footprint. At a time when the energy transition is becoming a global priority, this progress bears witness to the sector's commitment to meeting current and future challenges with boldness and efficiency.<\/p>","protected":false},"excerpt":{"rendered":"<p>Dans un monde o\u00f9 l&#8217;efficacit\u00e9 \u00e9nerg\u00e9tique, la r\u00e9duction des \u00e9missions de carbone et la durabilit\u00e9 sont au c\u0153ur des pr\u00e9occupations industrielles, le secteur de la verrerie ne fait pas exception. Parmi les innovations cl\u00e9s qui transforment ce domaine, le d\u00e9veloppement de nouveaux r\u00e9fractaires pour les fours hybrides repr\u00e9sente une avanc\u00e9e majeure. Ces fours hybrides, combinant [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12168,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[91,85],"tags":[],"class_list":["post-12167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-refractaires","category-ingenierie"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/sxe-consulting.com\/wp-content\/uploads\/2025\/02\/25134-15386297.jpg","_links":{"self":[{"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/posts\/12167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/comments?post=12167"}],"version-history":[{"count":0,"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/posts\/12167\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/media\/12168"}],"wp:attachment":[{"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/media?parent=12167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/categories?post=12167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sxe-consulting.com\/en\/wp-json\/wp\/v2\/tags?post=12167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}