Submerged combustion melting processes for producing glass and similar materials, and systems for carrying out such processes
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03B-005/24
C03B-005/04
C03B-005/167
C03B-005/20
C03B-005/235
C03B-005/44
C03B-007/06
C03B-003/02
출원번호
US-0493219
(2012-06-11)
등록번호
US-9096453
(2015-08-04)
발명자
/ 주소
Charbonneau, Mark William
출원인 / 주소
Johns Manville
대리인 / 주소
Touslee, Robert D.
인용정보
피인용 횟수 :
20인용 특허 :
48
초록▼
Processes of controlling submerged combustion melters, and systems for carrying out the methods. One process includes feeding vitrifiable material into a melter vessel, the melter vessel including a fluid-cooled refractory panel in its floor, ceiling, and/or sidewall, and heating the vitrifiable mat
Processes of controlling submerged combustion melters, and systems for carrying out the methods. One process includes feeding vitrifiable material into a melter vessel, the melter vessel including a fluid-cooled refractory panel in its floor, ceiling, and/or sidewall, and heating the vitrifiable material with a burner directing combustion products into the melting zone under a level of the molten material in the zone. Burners impart turbulence to the molten material in the melting zone. The fluid-cooled refractory panel is cooled, forming a modified panel having a frozen or highly viscous material layer on a surface of the panel facing the molten material, and a sensor senses temperature of the modified panel using a protected thermocouple positioned in the modified panel shielded from direct contact with turbulent molten material. Processes include controlling the melter using the temperature of the modified panel. Other processes and systems are presented.
대표청구항▼
1. A process comprising: a) feeding at least one partially or wholly vitrifiable material into a feed inlet of a melting zone of a melter vessel comprising a floor, a ceiling, and a wall connecting the floor and ceiling at a perimeter of the floor and ceiling, the melter vessel comprising a feed ope
1. A process comprising: a) feeding at least one partially or wholly vitrifiable material into a feed inlet of a melting zone of a melter vessel comprising a floor, a ceiling, and a wall connecting the floor and ceiling at a perimeter of the floor and ceiling, the melter vessel comprising a feed opening in the wall or ceiling and an exit end comprising a melter exit structure for discharging molten material formed in the melting zone, the melter vessel comprising at least one fluid-cooled refractory panel in its floor, ceiling, and/or sidewall;b) heating the at least one partially or wholly vitrifiable material with at least one burner directing combustion products into the melting zone under a level of the molten material in the zone, one or more of the burners configured to impart turbulence to at least some of the molten material in the melting zone;c) discharging molten material from the melter vessel through the melter exit structure;d) cooling the at least one fluid-cooled refractory panel sufficiently to form a modified panel comprising a frozen or highly viscous material layer, or combination thereof, on at least a portion of a surface of the panel facing the molten material;e) sensing one or more temperatures of the modified panel that provide an indirect indication of an actual melt temperature of at least a portion of the turbulent molten material in the melting zone; andf) controlling at least one of steps (a)-(d) using at least one of the temperatures of step (e) to achieve a desired melt temperature of at least a portion of the turbulent molten material in the melting zone. 2. The process of claim 1 wherein the sensing a temperature of the modified panel comprises sensing temperature with one or more protected thermocouples positioned in the modified panel so as to be shielded from direct contact with turbulent molten material in the melting zone. 3. The process of claim 2 wherein the one or more protected thermocouple has a distal end buried in the refractory of the modified panel. 4. The process of claim 2 wherein the one or more protected thermocouple has a distal end positioned flush with the surface of the panel facing the molten material. 5. The process of claim 2 wherein the one or more protected thermocouple has a distal end buried in the frozen or highly viscous material layer of the modified panel. 6. The process of claim 2 wherein the sensing temperature of the modified panel comprises sensing temperature with a plurality of protected thermocouples positioned in the modified panel so as to be shielded from direct contact with turbulent molten material in the melting zone. 7. The process of claim 2 wherein the melter vessel comprises a fluid-cooled skimmer configured to form a frozen or highly viscous material layer, or combination thereof, on outer surfaces thereof contacting the molten material, the skimmer extending downward from the ceiling of the melter vessel and positioned upstream of the melter exit structure, the skimmer having a lower distal end defining a top of a throat of the melter vessel, the throat controlling the discharge of molten material from the melter vessel, the skimmer including at least one of said at least one protected thermocouples, the process comprising sensing a temperature of the skimmer using said at least one protected thermocouple positioned in the skimmer so as to be shielded from direct contact with molten material passing through the throat. 8. The process of claim 2 wherein the melter exit structure comprises a fluid-cooled panel configured to form a frozen or highly viscous material layer, or combination thereof, on an inner surface thereof facing the molten material, the melter exit structure including at least one of said at least one protected thermocouples, the process comprising sensing a temperature of the meter exit structure using said at least one protected thermocouple positioned in the melter exit structure so as to be shielded from direct contact with molten material passing through the melter exit structure. 9. A process comprising: a) feeding at least one partially or wholly vitrifiable material into a feed inlet of a melting zone of a melter vessel comprising a floor, a ceiling, and a wall connecting the floor and ceiling at a perimeter of the floor and ceiling, the melter vessel comprising a feed opening in the wall or ceiling and an exit end comprising a melter exit structure for discharging molten material formed in the melting zone, the inciter vessel comprising at least one fluid-cooled refractory panel in its floor, ceiling, and/or sidewall;b) heating the at least one partially or wholly vitrifiable material with at least one burner directing combustion products into the melting zone under a level of the molten material in the zone, one or more of the burners configured to impart turbulence to at least some of the molten material in the melting zone;c) discharging molten material from the melter vessel through the melter exit structure;d) cooling the at least one fluid-cooled refractory panel sufficiently to form a modified panel comprising a frozen or highly viscous material layer, or combination thereof, on at least a portion of a surface of the panel facing the molten material;e) sensing a temperature of the modified panel with one or more protected thermocouples positioned in the modified panel so as to be shielded from direct contact with turbulent molten material in the melting zone; andf) controlling at least one of steps (a)-(d) using the temperature of the modified panel to achieve a desired melt temperature of at least a portion of the turbulent molten material in the melting zone.
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