{"id":2175,"date":"2026-07-03T09:32:27","date_gmt":"2026-07-03T09:32:27","guid":{"rendered":"https:\/\/hanmetallurgy.com\/?post_type=product&p=2175"},"modified":"2026-07-03T09:32:27","modified_gmt":"2026-07-03T09:32:27","slug":"submerged-arc-furnace-water-cooled-roof-cover","status":"publish","type":"product","link":"https:\/\/luzixinzuonew.han-light.com\/index.php\/product\/submerged-arc-furnace-water-cooled-roof-cover\/","title":{"rendered":"Submerged Arc Furnace Water-Cooled Roof \/ Cover"},"content":{"rendered":"
\n

<\/p>\n

\n

Submerged Arc Furnace Water-Cooled Roof \/ Cover<\/h1>\n
<\/div>\n

High-Temperature Thermal Protection by HANI Metallurgy<\/p>\n<\/div>\n

<\/p>\n

\n

Advancing Thermal Efficiency with HANI Water-Cooled Roofs<\/h2>\n

The Submerged Arc Furnace Water-Cooled Roof<\/strong>, often referred to as the furnace cover<\/strong>, is a critical safety and efficiency component designed to seal the smelting hearth while protecting the upper structures from extreme radiant heat. As a specialized SAF roof<\/strong>, it must provide high heat dissipation, exceptional structural rigidity, and zero-leakage reliability. At HANI<\/strong>, we have developed advanced cooling panel<\/strong> technology using tube-on-tube or membrane-wall designs that maximize the thermal recovery and service life of the furnace. Our Submerged Arc Furnace Water-Cooled Roof<\/strong> utilizes high-grade boiler steel and specialized refractory castables to ensure that the intense energy of the smelting zone is effectively managed, preventing deformation and toxic gas leakage.<\/p>\n

HANI’s Submerged Arc Furnace Water-Cooled Roof<\/strong> is engineered for the most rigorous industrial duty cycles. Whether for silicon manganese or calcium carbide production, the SAF roof<\/strong> must withstand constant thermal cycling and high-pressure furnace gases. Our furnace cover<\/strong> designs feature a modular cooling panel<\/strong> arrangement, allowing for the rapid replacement of specific sections without dismantling the entire roof. By utilizing HANI\u2019s thermal management technology, producers can achieve better furnace atmosphere control and a significantly lower risk of workplace accidents. As a leading provider of furnace structural components, HANI provides Submerged Arc Furnace Water-Cooled Roof<\/strong> solutions that are the industry standard for durability and heat transfer performance.<\/p>\n<\/div>\n

<\/p>\n

\n

Technical Parameters of HANI Water-Cooled Roofs<\/h2>\n
\n\n\n\n\n\n\n\n\n
Technical Metric<\/th>\nUnit<\/th>\nHANI-WCR-5800<\/th>\nHANI-WCR-8200<\/th>\nHANI-WCR-11000<\/th>\n<\/tr>\n<\/thead>\n
Compatible Hearth Dia.<\/td>\nmm<\/td>\n5800<\/td>\n8200<\/td>\n11000<\/td>\n<\/tr>\n
Heat Dissipation (Max)<\/td>\nkW\/m\u00b2<\/td>\n180<\/td>\n220<\/td>\n250<\/td>\n<\/tr>\n
Cooling Water Pressure<\/td>\nMPa<\/td>\n0.4-0.6<\/td>\n0.4-0.6<\/td>\n0.5-0.8<\/td>\n<\/tr>\n
Refractory Type<\/td>\n–<\/td>\nHigh-Alumina Phosphate Castable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

<\/p>\n

\n

The Physics of Thermal Stress and Roof Cooling<\/h2>\n

The performance of a Submerged Arc Furnace Water-Cooled Roof<\/strong> is determined by its ability to maintain structural integrity under extreme thermal gradients. In an SAF roof<\/strong>, the lower surface can reach 1200\u00b0C while the cooling panel<\/strong> water maintains the steel structure at below 100\u00b0C. HANI\u2019s furnace cover<\/strong> technology utilizes a specifically calculated tube pitch that maximizes the convective heat transfer coefficient, preventing localized “boiling” in the cooling circuit.<\/p>\n

\n

Roof Engineering Principles:<\/p>\n

1. Expansion Relief: Segmented construction to handle physical growth of the Submerged Arc Furnace Water-Cooled Roof<\/strong>.
\n2. High-Flow Circuits: Ensures a high Reynolds number to prevent scale buildup in the cooling panel<\/strong>.
\n3. Integrated Electrode Port Seals: Zero-leakage mechanical seals for the SAF roof<\/strong> openings.<\/p>\n<\/div>\n

Scientific facts show that a properly cooled furnace cover<\/strong> can reduce the gas cleaning load by preventing air ingress. HANI’s Submerged Arc Furnace Water-Cooled Roof<\/strong> ensures that your SAF roof<\/strong> is optimized for airtightness and energy recovery. Our cooling panel<\/strong> solutions also include ultrasonic thickness testing points to monitor long-term erosion from dust-laden gases, ensuring a service life of over 10 years.<\/p>\n<\/div>\n

<\/p>\n

\n

Key Advantages of HANI Water-Cooled Covers<\/h2>\n