FLAME DETECTOR FOR COMBUSTOR
A flame detector which is used in a combustor for starting a pressurized fluidized bed combined power generating system, and whose operation failure due to ash deposition is prevented. A fuel nozzle (33) of a starting combustor is so attached as to be directed toward an inner cylinder (32), and a tu...
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Main Authors | , , |
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Format | Patent |
Language | English French Japanese |
Published |
26.11.1998
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Abstract | A flame detector which is used in a combustor for starting a pressurized fluidized bed combined power generating system, and whose operation failure due to ash deposition is prevented. A fuel nozzle (33) of a starting combustor is so attached as to be directed toward an inner cylinder (32), and a tube (38) in a fitting pipe (36) is so attached as to communicate with the inner cylinder (32). One end of the fitting member (36) is connected to a valve body (1) which has a valve body passage (1a) communicating with the tube (38). A recessed valve plug (3) is jointed to a shaft (2) detachably in the valve body passage (1a). At the start of the combustor, the shaft (2) rotatably engages with the shaft fitting member of the valve plug (3) and is screwed in a threaded portion (6) of the valve body (1) so that it is moved rightward by turning a handle (4) to move the valve plug (3) thereby to open the passage (1a). At the stop of the combustor, on the contrary, the passage (1a) is closed by the valve plug (3). In a normal operation, ash deposits on the recess but not on a lower glass plate (37), so that it does not disturb the function.
A flame detector which is used in a combustor for starting a pressurized fluidized bed combined power generating system, and whose operation failure due to ash deposition is prevented. A fuel nozzle (33) of a starting combustor is so attached as to be directed toward an inner cylinder (32), and a tube (38) in a fitting pipe (36) is so attached as to communicate with the inner cylinder (32). One end of the fitting member (36) is connected to a valve body (1) which has a valve body passage (1a) communicating with the tube (38). A recessed valve plug (3) is jointed to a shaft (2) detachably in the valve body passage (1a). At the start of the combustor, the shaft (2) rotatably engages with the shaft fitting member of the valve plug (3) and is screwed in a threaded portion (6) of the valve body (1) so that it is moved rightward by turning a handle (4) to move the valve plug (3) thereby to open the passage (1a). At the stop of the combustor, on the contrary, the passage (1a) is closed by the valve plug (3). In a normal operation, ash deposits on the recess but not on a lower glass plate (37), so that it does not disturb the function.
L'invention concerne un détecteur de flamme qui est utilisé dans un dispositif de combustion pour faire démarrer un système de génération de courant combiné à lit fluidisé sous pression, et dont un défaut de fonctionnement dû à un dépôt de cendres est empêché. Une buse à carburant (33) d'un dispositif de combustion de démarrage est fixée de façon à être dirigée vers un cylindre intérieur (32), et un tube (38), monté dans un tuyau de raccordement (36), est fixé de façon à communiquer avec ledit cylindre intérieur (32). Une extrémité du tuyau de raccordement (36) est reliée à un corps de vanne (1) pourvu d'un passage (1a) qui communique avec le tube (38). Un obturateur (3) évidé est relié à une tige (2), de façon amovible, dans le passage (1a) du corps de vanne. Lorsque le dispositif de combustion démarre, la tige (2) s'engage, de façon à effectuer une rotation, dans l'élément de raccordement de tige de l'obturateur (3) et est vissée dans une partie filetée (6) du corps de vanne (1) de façon à être déplacée vers la droite lorsque l'on tourne une manette (4) pour déplacer l'obturateur (3) et ainsi ouvrir le passage (1a). Lorsque le dispositif de combustion s'arrête, au contraire, le passage est fermé par l'obturateur (3). En fonctionnement normal, des cendres se déposent dans l'évidement mais non sur une plaque de verre inférieure (37), de sorte que cela ne perturbe pas le fonctionnement. |
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AbstractList | A flame detector which is used in a combustor for starting a pressurized fluidized bed combined power generating system, and whose operation failure due to ash deposition is prevented. A fuel nozzle (33) of a starting combustor is so attached as to be directed toward an inner cylinder (32), and a tube (38) in a fitting pipe (36) is so attached as to communicate with the inner cylinder (32). One end of the fitting member (36) is connected to a valve body (1) which has a valve body passage (1a) communicating with the tube (38). A recessed valve plug (3) is jointed to a shaft (2) detachably in the valve body passage (1a). At the start of the combustor, the shaft (2) rotatably engages with the shaft fitting member of the valve plug (3) and is screwed in a threaded portion (6) of the valve body (1) so that it is moved rightward by turning a handle (4) to move the valve plug (3) thereby to open the passage (1a). At the stop of the combustor, on the contrary, the passage (1a) is closed by the valve plug (3). In a normal operation, ash deposits on the recess but not on a lower glass plate (37), so that it does not disturb the function.
A flame detector which is used in a combustor for starting a pressurized fluidized bed combined power generating system, and whose operation failure due to ash deposition is prevented. A fuel nozzle (33) of a starting combustor is so attached as to be directed toward an inner cylinder (32), and a tube (38) in a fitting pipe (36) is so attached as to communicate with the inner cylinder (32). One end of the fitting member (36) is connected to a valve body (1) which has a valve body passage (1a) communicating with the tube (38). A recessed valve plug (3) is jointed to a shaft (2) detachably in the valve body passage (1a). At the start of the combustor, the shaft (2) rotatably engages with the shaft fitting member of the valve plug (3) and is screwed in a threaded portion (6) of the valve body (1) so that it is moved rightward by turning a handle (4) to move the valve plug (3) thereby to open the passage (1a). At the stop of the combustor, on the contrary, the passage (1a) is closed by the valve plug (3). In a normal operation, ash deposits on the recess but not on a lower glass plate (37), so that it does not disturb the function.
L'invention concerne un détecteur de flamme qui est utilisé dans un dispositif de combustion pour faire démarrer un système de génération de courant combiné à lit fluidisé sous pression, et dont un défaut de fonctionnement dû à un dépôt de cendres est empêché. Une buse à carburant (33) d'un dispositif de combustion de démarrage est fixée de façon à être dirigée vers un cylindre intérieur (32), et un tube (38), monté dans un tuyau de raccordement (36), est fixé de façon à communiquer avec ledit cylindre intérieur (32). Une extrémité du tuyau de raccordement (36) est reliée à un corps de vanne (1) pourvu d'un passage (1a) qui communique avec le tube (38). Un obturateur (3) évidé est relié à une tige (2), de façon amovible, dans le passage (1a) du corps de vanne. Lorsque le dispositif de combustion démarre, la tige (2) s'engage, de façon à effectuer une rotation, dans l'élément de raccordement de tige de l'obturateur (3) et est vissée dans une partie filetée (6) du corps de vanne (1) de façon à être déplacée vers la droite lorsque l'on tourne une manette (4) pour déplacer l'obturateur (3) et ainsi ouvrir le passage (1a). Lorsque le dispositif de combustion s'arrête, au contraire, le passage est fermé par l'obturateur (3). En fonctionnement normal, des cendres se déposent dans l'évidement mais non sur une plaque de verre inférieure (37), de sorte que cela ne perturbe pas le fonctionnement. |
Author | TANIMURA, SATOSHI ABE, KATSUHIKO TSUKAGOSHI, KEIZO |
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DocumentTitleAlternate | DETECTEUR DE FLAMME POUR DISPOSITIF DE COMBUSTION |
Edition | 6 |
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Notes | Application Number: WO1998JP02114 |
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RelatedCompanies | TANIMURA, SATOSHI ABE, KATSUHIKO MITSUBISHI HEAVY INDUSTRIES, LTD TSUKAGOSHI, KEIZO |
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Snippet | A flame detector which is used in a combustor for starting a pressurized fluidized bed combined power generating system, and whose operation failure due to ash... |
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SubjectTerms | AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FORCOMBUSTION CHAMBERS, e.g. FIREBRIDGES COMBUSTION APPARATUS COMBUSTION ENGINES COMBUSTION PROCESSES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDEDFOR DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS INCOMBUSTION CHAMBERS GAS-TURBINE PLANTS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING REGULATING OR CONTROLLING COMBUSTION SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTIONAPPARATUS WEAPONS |
Title | FLAME DETECTOR FOR COMBUSTOR |
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