Submerged combustion melting exhaust systems
AssigneeOwens-Brockway Glass Container Inc.
InventorsShane T. Rashley, Robert W. Kuhlman, Richard C. Gobrecht, III, William Thomas, Liming Shi
Life of this patent
Estimating the term…
Abstract
A submerged combustion melting (SCM) exhaust system includes a fluid-cooled flue including fluid-cooled perimeter walls, and a refractory-lined hood in fluid communication with, and extends to a hood outlet from, the fluid-cooled flue, and including refractory-lined perimeter walls and a dilution air duct inlet. A dilution air input duct has an outlet in fluid communication with the dilution air duct inlet of the refractory-lined hood. A non-cooled, non-refractory outlet conduit extending away from the refractory-lined hood.
Claims19
A submerged combustion melting system, comprising:
- a submerged combustion melting furnace, including:
- a tank including a floor, a roof, a perimeter wall extending between the floor and the roof, and an interior,
- submerged combustion melting burners extending through the tank to melt glass feedstock into molten glass in the interior of the tank,
- a batch inlet at an upstream end of the tank,
- a molten glass outlet at a downstream end of the tank, and
- an exhaust outlet;
- and
- an exhaust system in fluid communication with the interior of the tank, and including:
- a fluid-cooled flue in fluid communication with the exhaust outlet, extending upwardly from the roof, and including fluid-cooled perimeter walls,
- a refractory-lined hood in fluid communication with, and extending to a hood outlet from, the fluid-cooled flue, and including refractory-lined walls and a dilution air duct inlet,
- a dilution air input duct having an outlet in fluid communication with the dilution air duct inlet of the refractory-lined hood, and
- non-cooled, non-refractory outlet conduit extending away from the refractory-lined hood.
A submerged combustion melting system, comprising:
- a submerged combustion melting furnace, including:
- a tank including a floor, a roof, a perimeter wall extending between the floor and the roof, and an interior,
- submerged combustion melting burners extending through the tank to melt glass feedstock into molten glass in the interior of the tank,
- a batch inlet at an upstream end of the tank,
- a molten glass outlet at a downstream end of the tank, and
- an exhaust outlet through the roof;
- and
- an exhaust system in fluid communication with the interior of the tank, and including:
- a fluid-cooled flue in fluid communication with the exhaust outlet, extending upwardly from the roof, and having fluid-cooled perimeter walls including:
- a lower vertical segment in fluid communication with the exhaust outlet of the roof of the tank of the submerged combustion melting furnace and having a lower central longitudinal axis,
- an upper vertical segment having an upper central longitudinal axis and a flue outlet, and
- an intermediate oblique segment extending between the lower and upper vertical segments and having an intermediate central longitudinal axis, wherein an offset distance between the lower and upper central longitudinal axes is greater than or equal to a transit section dimension of the fluid-cooled flue.
Dependencies are inferred from the claim text.