摘要:
Die Erfindung betrifft einen Abhitzedampferzeuger (1) für eine Gas- und Dampfturbinenanlage (2), der Abhitzedampferzeuger (1) umfassend mindestens eine erste Heizfläche (3, 7) zur Überhitzung von Dampf, wobei die mindestens eine erste Heizfläche (3, 7) in mindestens einen ersten (4, 8) und einen zweiten Teil (5, 9) geteilt ist und der zweite Teil (5, 9) durch eine Absperrarmatur (6) abschaltbar ist. Die Erfindung betrifft ferner eine Gas- und Dampfturbinenanlage (2).
摘要:
Dispositif comprenant au moins une pompe verticale (3) et au moins une turbine associée (4), pour le transport, sur une différence de niveau, d'un fluide caloporteur porté à haute température, la pompe (3) assurant un mouvement ascendant dudit fluide dans une première section d'un conduit (17) à partir d'un premier réservoir dit froid (2) et la turbine (4) étant actionnée par ledit fluide lors du mouvement de retour descendant dudit fluide dans une seconde section du conduit (17) vers un second réservoir dit chaud (5), caractérisé en ce que le dispositif comprend en outre un dispositif de couplage de la turbine (4) avec la pompe (3) configuré pour que l'énergie mécanique produite par la turbine (4) soit réutilisée pour l'actionnement de la pompe (3).
摘要:
A method (400) for increasing the operational flexibility of a turbomachine during a shutdown phase is provided. The turbomachine may include a first section, a second section, and a rotor disposed within the first section and the second section. The method (400) may determine an allowable range of a physical parameter associated with the first section (440) and/or the second section (460). The method (400) may modulate a first valve (450) and/or a second valve (470) to allow steam flow into the first section and the second section respectively, wherein the modulation is based on the allowable range of the physical parameter. In addition, the physical parameter allows the method to independently apportion steam flow between the first section and the second section of the turbomachine, during the shutdown phase.
摘要:
The present invention is related to a steam turbine plant (10) for district heating applications (200), comprising at least a first turbine (10) and a second turbine (20), wherein an outlet (12) of the first turbine (10) is in steam communication with an inlet (24) of the second turbine (20) by a main line (30), and wherein a reheater (40) is located within said main line (30) for reheating of steam from the outlet (12) of the first turbine (10), whereas a bypass line (50) is provided for steam communication between the first turbine (10) and the second turbine (20) for bypassing a part of the steam around the reheater (40).
摘要:
A heat recovery steam generator (200) uses heat energy extracted from the exhaust gas of a gas turbine to produce steam. The steam is provided to steam turbines of a combined cycle power plant. Intermediate pressure steam generated by an intermediate pressure evaporator (214) is routed to first and second intermediate pressure superheaters (220,236). Also, steam exhausted from a high pressure steam turbine (30) of a combined cycle power plant is reheated by first and second reheaters (228,236) within the heat recovery steam generator (200). The steam output by the intermediate pressure superheaters (220,236) is provided to an interstage admission port of an intermediate pressure steam turbine (40), and steam output by the first and second reheaters (228,236) is provided as the main input steam for the intermediate pressure steam turbine (40) of the combined cycle power plant.
摘要:
A module based oxy-fuel boiler system comprising a first boiler (112) configured as a main boiler and a second boiler (216) configured as a reheat boiler, said first boiler including: plurality of first boiler tubes (T) for carrying water, the tubes forming at least one water wall, a feedwater inlet line (230) in flow communication with said plurality of first boiler tubes (T), said feedwater inlet line (230) configured to be connected to an external source of water, a steam outlet line (246) in flow communication with said plurality of first boiler tubes and configured to be connected to a first turbine (238), said turbine (238) having a steam outlet that is configured to be coupled to a reheat line (248) of said second boiler (216), the first boiler (212) configured to substantially prevent the introduction of air, a first boiler oxygen supply (218) for supplying oxygen having a purity of greater than 21 percent; a first boiler carbon based fuel supply (220) for supplying a carbon based fuel; at least one first boiler oxy-fuel burner system (222) coupled to said first boiler oxygen supply (218) and said first boiler carbon based supply (220), the first boiler oxy-fuel burner system (222) configured to feed the oxygen and the carbon based fuel into the first boiler (212) in a near stoichiometric proportion to one another to limit an excess of either the oxygen or the carbon-based fuel to a predetermined tolerance, a first boiler flue gas exit line (213) for discharging exhaust gas generated as a result of the combustion in said first boiler (212), wherein the first boiler tubes (T) are configured for direct, radiant energy exposure for energy transfer to the water to produce steam; a second boiler (216) having a a reheat inlet line (248) in flow communication with the steam outlet of said turbine (238); a reheat steam outlet line (250) in flow communication with a second turbine (240), a second boiler flue gas exit line (217) for discharging exhaust gas generated as a result of the combustion in said second boiler (216), wherein the second boiler(216) is configured to carry out a different energy transfer function than the first boiler (212) and is configured to substantially prevent the introduction of air; a second boiler supply (218) for supplying oxygen having a purity of greater then 21 percent; a second boiler carbon based fuel supply (20, 120) for supplying a carbon based fuel; at least one second boiler oxy-fuel burner system(226), the second boiler oxy-fuel burner system (226) configured to feed the oxygen and the carbon based fuel into the second boiler (216) in a near stoichiometric proportion to one another to limit an excess of either the oxygen or the carbon based fuel to a predetermined tolerance.
摘要:
The invention relates to a fossil-fueled power station (1) comprising a steam generator (4), a steam turbine (2) mounted downstream of the steam generator (4) via a hot intermediate superheater line (17) and a carbon dioxide separation device (5). According to the invention, the carbon dioxide separation device (5) is connected to the hot intermediate superheater line (17) via a process steam line (6), a backpressure steam turbine (7) being mounted into the process steam line (6).
摘要:
A steam turbine plant of one embodiment includes a boiler configured to change water into steam, an upstream turbine including plural stages of rotor vanes and plural stages of stator vanes, and configured to be driven by the steam from the boiler, a downstream turbine including plural stages of rotor vanes and plural stages of stator vanes, and configured to be driven by the steam from the upstream turbine, a condenser configured to change the steam exhausted from the downstream turbine into water, a collector configured to collect water from, for example, the steam which exists upstream of an inlet of the final-stage rotor vane in the upstream turbine, and a collected matter path configured to cause collected matter in the collector to flow into, for example, the steam between an outlet of the final-stage rotor vane of the upstream turbine and an inlet of the final-stage rotor vane of the downstream turbine.
摘要:
A caseless rotor assembly is described, comprising a rotor shaft (1), a high pressure portion (2) with a high pressure rotor blade (4), a low pressure portion (3) with a low pressure rotor blade (5), and a common wall (6) between the high pressure portion (2) and the low pressure portion (3). The common wall (6) extends radially from the rotor shaft (1). The common wall (6) itself comprises a shaft end (7) oriented towards the rotor shaft (1) and an outer end (8) on the other side of the common wall (6), oriented radially outwards. Additionally, the common wall (6) surrounds circularly the rotor shaft (1).