{"id":2169,"date":"2026-07-03T09:16:59","date_gmt":"2026-07-03T09:16:59","guid":{"rendered":"https:\/\/hanmetallurgy.com\/?post_type=product&p=2169"},"modified":"2026-07-03T09:16:59","modified_gmt":"2026-07-03T09:16:59","slug":"submerged-arc-furnace-water-cooled-flue-duct","status":"publish","type":"product","link":"https:\/\/luzixinzuonew.han-light.com\/index.php\/product\/submerged-arc-furnace-water-cooled-flue-duct\/","title":{"rendered":"Submerged Arc Furnace Water-Cooled Flue \/ Duct"},"content":{"rendered":"
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Submerged Arc Furnace Water-Cooled Flue \/ Duct<\/h1>\n
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High-Temperature Exhaust Management by HANI Metallurgy<\/p>\n<\/div>\n

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Maximum Protection for Smelting Exhaust Systems<\/h2>\n

The Submerged Arc Furnace Water-Cooled Flue<\/strong>, also known as the SAF flue duct<\/strong>, is an essential safety and efficiency component for high-temperature metallurgical furnaces. As a specialized cooling system<\/strong> for the furnace exhaust<\/strong> stream, it is designed to manage gases that can exceed 1000\u00b0C. At HANI<\/strong>, we have developed advanced water-cooled flue technology that prevents structural warping and catastrophic failure of the exhaust path. Our Submerged Arc Furnace Water-Cooled Flue<\/strong> utilizes a high-intensity water jacket or tube-on-tube design to achieve a rapid temperature drop, ensuring that the downstream baghouse filters and gas purification units operate within their safe thermal limits.<\/p>\n

HANI’s Submerged Arc Furnace Water-Cooled Flue<\/strong> is engineered for extreme durability. Whether operating in a high-carbon ferrochrome plant or a calcium carbide facility, the SAF flue duct<\/strong> must withstand both thermal stress and the abrasive nature of metallurgical dust. Our cooling system<\/strong> is manufactured from high-grade boiler steel and features reinforced structural ribs. By utilizing HANI\u2019s furnace exhaust<\/strong> technology, producers can significantly extend the maintenance intervals of their gas cleaning systems and reduce the risk of downtime. As a leading manufacturer of furnace components, HANI provides Submerged Arc Furnace Water-Cooled Flue<\/strong> solutions that are essential for the safe and efficient operation of modern submerged arc furnaces.<\/p>\n<\/div>\n

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Technical Parameters of HANI Water-Cooled Flue<\/h2>\n
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Technical Metric<\/th>\nUnit<\/th>\nHANI-WCF-1200<\/th>\nHANI-WCF-1600<\/th>\nHANI-WCF-2000<\/th>\n<\/tr>\n<\/thead>\n
Duct Diameter<\/td>\nmm<\/td>\n1200<\/td>\n1600<\/td>\n2000<\/td>\n<\/tr>\n
Max. Gas Inlet Temp<\/td>\n\u00b0C<\/td>\n1200<\/td>\n1200<\/td>\n1200<\/td>\n<\/tr>\n
Heat Dissipation Rate<\/td>\nkW\/m\u00b2<\/td>\n150-200<\/td>\n180-230<\/td>\n200-250<\/td>\n<\/tr>\n
Water Flow Velocity<\/td>\nm\/s<\/td>\n1.5-2.0<\/td>\n1.5-2.0<\/td>\n1.8-2.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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Precision Heat Transfer in Exhaust Cooling<\/h2>\n

The performance of a Submerged Arc Furnace Water-Cooled Flue<\/strong> is determined by the heat transfer efficiency of the water layer. In an SAF flue duct<\/strong>, the radiant and convective heat from the gas must be rapidly absorbed to prevent the duct wall from reaching its softening point. HANI\u2019s cooling system<\/strong> utilizes a specifically calculated water flow path to ensure that there are no “dead spots” where steam can accumulate, which is a major cause of duct failure.<\/p>\n

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Cooling Dynamics Principles:<\/p>\n

1. High Reynolds Number: Ensures turbulent water flow for maximum heat absorption in the Submerged Arc Furnace Water-Cooled Flue<\/strong>.
\n2. Anti-Corrosion Protection: Specialized internal coatings to prevent scaling within the SAF flue duct<\/strong>.
\n3. Thermal Expansion Management: Integrated compensators to handle the physical expansion of the furnace exhaust<\/strong> duct.<\/p>\n<\/div>\n

Scientific facts show that a 100\u00b0C reduction in exhaust gas temperature can increase the service life of filter bags by over 50%. HANI’s Submerged Arc Furnace Water-Cooled Flue<\/strong> ensures that your cooling system<\/strong> is optimized for maximum energy recovery while protecting the downstream assets. Our furnace exhaust<\/strong> solutions also include real-time temperature and pressure monitoring to provide immediate feedback to the furnace control center.<\/p>\n<\/div>\n

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Key Advantages of HANI Exhaust Cooling Technology<\/h2>\n