Methods and systems for destabilizing foam in equipment downstream of a submerged combustion melter
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03B-005/225
C03B-005/235
B05B-001/34
C03B-005/20
출원번호
US-0644058
(2012-10-03)
등록번호
US-9492831
(2016-11-15)
발명자
/ 주소
Charbonneau, Mark William
Huber, Aaron Morgan
출원인 / 주소
Johns Manville
대리인 / 주소
Touslee, Robert D.
인용정보
피인용 횟수 :
0인용 특허 :
187
초록▼
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
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.
대표청구항▼
1. A method comprising: producing a turbulent molten mass of glass and stable bubbles in a submerged combustion melter;flowing the molten mass of glass and stable bubbles into a flow channel positioned downstream of the submerged combustion melter, the flow channel selected from the group consisting
1. A method comprising: producing a turbulent molten mass of glass and stable bubbles in a submerged combustion melter;flowing the molten mass of glass and stable bubbles into a flow channel positioned downstream of the submerged combustion melter, the flow channel selected from the group consisting of a conditioning channel, a distribution channel, and a forehearth, the flow channel devoid of submerged combustion burners and other components that would increase turbulence of the molten mass, the molten mass having a submerged combustion melter generated foam comprising the stable bubbles on at least a portion of a top surface of the molten mass; andde-stabilizing the submerged combustion melter foam by directly impinging an impinging composition onto at least a portion of the submerged combustion melter generated foam in the flow channel, the impinging composition produced by a process selected from the group consisting of:i) combusting a fuel and an oxidant in one or more low momentum non-submerged combustion burners positioned in the roof, the wall, or both of the flow channel to produce low momentum combustion products,ii) discharging one or more non-combustible fluids or slurries from one or more nozzles positioned in the roof, the wall, or both of the flow channel,iii) routing one or more fluids or slurries from one or more apertures in the roof, the wall, or both of the flow channel, andiv) combinations of any two or more of (i)-(iii). 2. The method of claim 1 wherein the combusting of the fuel and oxidant in one or more low momentum non-submerged combustion burners positioned in the roof, the wall, or both of the flow channel comprises combusting at least a portion of the fuel and oxidant in one or more burner blocks in the wall, the roof, or both the wall and the roof of the flow channel. 3. The method of claim 2 wherein the combusting of the fuel and oxidant in one or more low momentum non-submerged combustion burners positioned in the roof, the wall, or both of the flow channel comprises pulsing flow of the oxidant, the fuel, or both to one or more of the low momentum non-submerged combustion burners. 4. The method of claim 1 wherein the combusting of the fuel and oxidant in one or more low momentum non-submerged combustion burners positioned in the roof, the wall, or both of the flow channel comprises routing at least a portion of the combustion product gases from one or more position adjustable burners in the wall, the roof, or both the wall and the roof of the flow channel. 5. The method of claim 4 wherein the combusting of the fuel and oxidant in one or more low momentum non-submerged combustion burners positioned in the roof, the wall, or both of the flow channel comprises pulsing flow of the oxidant, the fuel, or both to one or more of the low momentum non-submerged combustion burners. 6. The method of claim 1 wherein the combusting of the fuel and oxidant in one or more low momentum non-submerged combustion burners positioned in the roof, the wall, or both of the flow channel comprises pulsing flow of an oxidant, a fuel, or both to one or more of the low momentum non-submerged combustion burners. 7. The method of claim 1 wherein the combusting of the fuel and oxidant in one or more low momentum non-submerged combustion burners positioned in the roof, the wall, or both of the flow channel comprises the burners having a fuel velocity ranging from about 6 ft./second to about 40 ft./second (about 2 meters/second to about 12 meters/second) and an oxidant velocity ranging from about 6 ft./second to about 40 ft./second (about 2 meters/second to about 12 meters/second). 8. The method of claim 1 wherein the combusting of the fuel and oxidant in one or more low momentum non-submerged combustion burners positioned in the roof, the wall, or both of the flow channel comprises routing the fuel and an oxidant-enriched oxidant to one or more of the low momentum non-submerged combustion burners, and routing products of combustion of the fuel and the oxidant-enriched oxidant from the one or more low momentum non-submerged combustion burners. 9. The method of claim 1 wherein the flowing of the molten mass of glass and bubbles into the flow channel comprises the flow channel positioned immediately downstream of the submerged combustion melter.
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