SUBMERGED BURNER FURNACE
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United States of America
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Issued Date -
Dec 23, 2021
app pub date -
Sep 25, 2019
filing date -
Sep 25, 2019
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Abstract
A for melting batch material includes a furnace equipped with a submerged burner, a system for supplying the submerged burner with fuel gas and with oxidizer, a system for supplying the furnace with raw material including fragments of mineral wool below the surface of the molten batch materials, a system for supplying the furnace with raw material including a vertical duct for receiving raw material through its upper side and for conveying this raw material downward toward the molten batch materials. The duct receives the combustion flue gases originating from the furnace and conveys them upward through the raw material in the duct. A system supports the solid raw material in the duct and is positioned above the surface of the molten batch material and retains the solid raw material in the duct and lets descending molten raw material pass through to fall into the molten batch material.
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