METHOD FOR OPERATING A BOILER WITH FORCED CIRCULATION AND BOILER FOR ITS IMPLEMENTATION

The invention concerns a boiler comprising at least a first heat exchanger (10) with its inlet connected to a water supplying duct (18) and its outlet connected, through a first regulating valve (30) to a steam turbine, either directly, or through a second heat exchanger (12). During the starting ph...

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Main Authors GRANDJEAN, PIERRE, DETHIER, ALFRED
Format Patent
LanguageEnglish
French
Published 12.03.1998
Edition6
Subjects
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Abstract The invention concerns a boiler comprising at least a first heat exchanger (10) with its inlet connected to a water supplying duct (18) and its outlet connected, through a first regulating valve (30) to a steam turbine, either directly, or through a second heat exchanger (12). During the starting phase the regulating valve (30) is closed and as long as the fluid at the first heat exchanger (10) outlet is a mixture of water and steam, all the water is transformed into steam by condensation and the regulating valve (30) is opened only when the fluid at the first evaporator outlet is pure steam. La chaudière comporte au moins un premier échangeur de chaleur (10) dont l'entrée est reliée à une conduite d'alimentation en eau (18) et dont la sortie est reliée, à travers une première vanne de réglage (30) à une turbine à vapeur, soit directement, soit à travers un second échangeur de chaleur (12). Pendant la phase de démarrage la vanne de réglage (30) est fermée et aussi longtemps que le fluide à la sortie du premier échangeur (10) est un mélange d'eau et de vapeur, on transforme, par condensation, toute la vapeur en eau et on n'ouvre la vanne de réglage (30) que lorsque le fluide à la sortie du premier évaporateur est de la vapeur pure.
AbstractList The invention concerns a boiler comprising at least a first heat exchanger (10) with its inlet connected to a water supplying duct (18) and its outlet connected, through a first regulating valve (30) to a steam turbine, either directly, or through a second heat exchanger (12). During the starting phase the regulating valve (30) is closed and as long as the fluid at the first heat exchanger (10) outlet is a mixture of water and steam, all the water is transformed into steam by condensation and the regulating valve (30) is opened only when the fluid at the first evaporator outlet is pure steam. La chaudière comporte au moins un premier échangeur de chaleur (10) dont l'entrée est reliée à une conduite d'alimentation en eau (18) et dont la sortie est reliée, à travers une première vanne de réglage (30) à une turbine à vapeur, soit directement, soit à travers un second échangeur de chaleur (12). Pendant la phase de démarrage la vanne de réglage (30) est fermée et aussi longtemps que le fluide à la sortie du premier échangeur (10) est un mélange d'eau et de vapeur, on transforme, par condensation, toute la vapeur en eau et on n'ouvre la vanne de réglage (30) que lorsque le fluide à la sortie du premier évaporateur est de la vapeur pure.
Author DETHIER, ALFRED
GRANDJEAN, PIERRE
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RelatedCompanies DETHIER, ALFRED
COCKERILL MECHANICAL INDUSTRIES S.A
GRANDJEAN, PIERRE
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Snippet The invention concerns a boiler comprising at least a first heat exchanger (10) with its inlet connected to a water supplying duct (18) and its outlet...
SourceID epo
SourceType Open Access Repository
SubjectTerms BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
METHODS OF STEAM GENERATION
STEAM BOILERS
STEAM GENERATION
WEAPONS
Title METHOD FOR OPERATING A BOILER WITH FORCED CIRCULATION AND BOILER FOR ITS IMPLEMENTATION
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