Johns Manville

Other

Aaron Morgan Huber

Mark William Charbonneau

Jeffrey M Shock

Marlon Keith Martin

John Wayne Baker

John Euford Mobley

Harley A Borders

Timothy G Swales

Ryan Patrick Enright

Kevin Patrick McHugh

Albert Patrick Faulkinbury

Brandon Dillan Tinianov

Jonathan McCann

James E Graf

Yifang Cai

Jonathan Mccann

Luka Michael William

Marion Keith Martin

Paul Oscar Segar

Methods and systems for de-stabilizing foam produced in submerged combustion melters. A molten mass of glass and bubbles is flowed into an apparatus downstream of a submerged combustion melter. The downstream apparatus includes a floor, a roof and a wall connecting the floor and roof, but is devoid of submerged combustion burners and other components that would increase turbulence of the molten mass. The molten mass has foam on at least a portion of a top surface of the molten mass. One method includes directly impinging an impinging composition onto at least a portion of the foam in the downstream apparatus. Systems for carrying out the methods are described.

Methods and systems for destabilizing foam in equipment downstream of a submerged combustion melter

Submerged combustion burners having improved fuel and oxidant mixing characteristics. Submerged combustion melters including the burners. Methods of using submerged combustion melters to melt glass-forming materials and produce molten glass.

Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use

Liquid is delivered into a void between a burner and a melt vessel, which causes a skull of a material to form within an interior of the melt vessel. The void is in fluidic communication with the interior of the melt vessel. The burner is moved from a first position internal to the void to a second position external from the void. Thereafter, the burner is isolated from the void.

Change-out system for submerged combustion melting burner

Submerged combustion methods and systems including a melter equipped with an exhaust passage through the ceiling or the sidewall having an aggregate hydraulic diameter. Submerged combustion burners configured to create turbulent conditions in substantially all of the material being melted, and produce ejected portions of melted material. An exhaust structure including a liquid-cooled exhaust structure defining a liquid-cooled exhaust chamber having a cross-sectional area greater than that of the exhaust stack but less than the melter. The exhaust passage and liquid-cooled exhaust structure configured to maintain temperature and pressure of the exhaust, and exhaust velocity through the exhaust passage and the exhaust structure, at values sufficient to prevent the ejected material portions of melted material from being propelled out of the exhaust structure as solidified material, and maintain any molten materials contacting the first interior surface molten so that it flows down the first interior surface into the melter.

Effective discharge of exhaust from submerged combustion melters and methods

Combustion burner panels, submerged combustion melters including one or more of the panels, and methods of making the same are disclosed. In certain embodiments, the burner panel includes a panel body having first and second major surfaces, at least one oxidant through-passage extending from the first to the second major surface, and at least one fuel through-passage extending from the first to the second major surface. Oxidant and fuel delivery conduits are positioned in the respective passages. The oxidant and fuel delivery conduits include proximal and distal ends, at least some of the distal ends positioned away from the first major surface of the panel body. In other embodiments the burner panels include a frame enclosing a porous material having through passages for fuel and oxidant. The burner panels may enable delaying combustion in a submerged combustion melter, and therefore promote burner life and melter campaign length.

Burner panels, submerged combustion melters, and methods

Submerged combustion systems and methods of use to produce glass. One system includes a submerged combustion melter having a roof, a floor, a wall structure connecting the roof and floor, and an outlet, the melter producing an initial foamy molten glass. One or more non-submerged auxiliary burners are positioned in the roof and/or wall structure and configured to deliver combustion products to impact at least a portion of the bubbles with sufficient force and/or heat to burst at least some of the bubbles and form a reduced foam molten glass.

Systems and methods for glass manufacturing

A submerged combustion melter includes a floor, a roof, and a sidewall structure connecting the floor and roof defining an internal space. A first portion of the internal space defines a melting zone, and a second portion defines a fining zone immediately downstream of the melting zone. One or more combustion burners in either the floor, roof, the sidewall structure, or any combination of these, are configured to emit the combustion gases from a position under a level of, and positioned to transfer heat to and produce, a turbulent molten mass of glass containing bubbles in the melting zone. The fining zone is devoid of combustion burners or other apparatus or components that would increase turbulence above that in the melting zone. The melter may include a treating zone that stabilizes or destabilizes bubbles and/or foam. Processes of using the melters are a feature of the disclosure.

Submerged combustion melters having an extended treatment zone and methods of producing molten glass

Methods of melting particulate feedstocks in a submerged combustion melter employing an arrangement of one or more submerged combustion burners emitting combustion products into turbulent molten material. Operating the burners such that there is established a turbulent melting region extending vertically from the floor to a splash region, the splash region extending vertically between the turbulent melting region and a head space region, the head space region extending vertically between the splash region and the melter ceiling, the ceiling positioned above the floor a height HFeeding the particulate feedstock into the splash region through one or more inlet ports, the inlet ports positioned at a height Hmeasured from the floor, where HHranges from about 0.33 to about 0.67. The SCM may have a baffle extending from the ceiling into the splash region. A particulate feedstock conduit may be employed, having an exit port in the splash region.

Submerged combustion melters and methods of feeding particulate material into such melters

Submerged combustion burners having a burner body, a burner tip connected thereto, and a protective cap and/or cladding layer. Submerged combustion melters including the burners and methods of using them to produce molten glass. The burner body has an external conduit and first and second internal conduits substantially concentric therewith, forming first and second annuli for passing a cooling fluid therethrough. The burner tip body is connected to the burner body at ends of the external and second internal conduits. The burner tip and protective cap and/or cladding layer include a generally central flow passage for a combustible mixture, the flow passage defined by an inner wall of the burner tip and protective cap.

Submerged combustion burners and melters, and methods of use

Submerged combustion systems and methods of use to produce foamed glass. One system includes a submerged combustion melter having an outlet, the melter configured to produce an initial foamy molten glass having a density and comprising bubbles filled primarily with combustion product gases. The initial foamy molten glass is deposited directly onto or into a transport apparatus that transports the initial foamy molten glass to a downstream processing apparatus. An intermediate stage may be included between the melter and the transport apparatus. One intermediate stage is a channel that includes gas injectors. Another intermediate stage is a channel that produces an upper flow of a less dense glass and a relatively more dense glass lower flow. The upper flow may be processed into foamed glass products, while the more dense flow may be processed into dense glass products.

Systems and methods for making foamed glass using submerged combustion

Methods of maximizing mixing and melting in a submerged combustion melter (SCM) are described. One method includes melting an inorganic feedstock in an SCM using an arrangement of two or more submerged combustion (SC) burners, the SCM having a length (L) and a width (W), a centerline (C), a north side (N) and a south side (S), and operating the arrangement of SC burners such that a progressively higher percentage of a total combustion flow from the SC burners occurs from SC burners at progressively downstream positions in the SCM. Other methods include operating the N and S SC burners with more combustion flow than the central burners. Other methods include strategic placement of fuel lean SC burners and fuel rich SC burners.

Methods of melting feedstock using a submerged combustion melter

Submerged combustion glass manufacturing systems include a melter having a floor, a roof, a wall structure connecting the floor and roof, and an exhaust passage through the roof. One or more submerged combustion burners are mounted in the floor and/or wall structure discharging combustion products under a level of material being melted in the melter and create turbulent conditions in the material. The melter exhausts through an exhaust structure connecting the exhaust passage with an exhaust stack. The exhaust structure includes a barrier defining an exhaust chamber having an interior surface, the exhaust chamber having a cross-sectional area greater than that of the exhaust stack but less than the melter. The barrier maintains temperature and pressure in the exhaust structure at values sufficient to substantially prevent condensation of exhaust material on the interior surface.

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Castle Rock, CO, United States of America

Aaron Morgan Huber