Siemens Aktiengesellschaft

Siemens Aktiengesell Schaft

Siemens Energy Global Gmbh & Co. Kg

Michael Wechsung

Edwin Gobrecht

Andreas Ulma

Uwe Zander

Norbert Pieper

Heinz Dallinger

Carsten Graeber

Thomas Müller

Norbert Thamm

Oliver Myschi

Helmut Pollak

Rudolf Pötter

Stefan Glos

Rainer Quinkertz

Hans-Joachim Endries

Norbert Henkel

Gunter Bauer

Georg Haberberger

Hans-Ulrich Thierbach

Yevgen Kostenko

Frank Deidewig

Juergen Havemann

Udo Gande

Thomas Loeper

Volker Taubitz

Holger Kern

Paul Wolfert

Ralph Becker

Christian Cukjati

Karl-Heinz Monning

Thomas MÜLLER

Günter Bauer

Erhard Kommel

Stefanie Grotkamp

Robin Sudhoff

The invention relates to a method for operating a power plant, wherein in partial load operation the increase of temperature results at the outlet of the high-pressure turbine section as a consequence of a throttling by means of the intermediate pressure valve.

Method for operating a power plant installation

A steam turbine installation that has a steam turbine, a steam generator and a feed water pre-heating unit operated by process steam is provided. The steam turbine has an overload bypass line with which main steam can be fed to the feed water pre-heating unit between the steam turbine input and the extraction point during overload operation of the steam turbine, wherein the feed water pre-heating unit has an auxiliary extraction line that is connected to the overload bypass line in such a way that process steam can be extracted from the steam turbine during partial load operation of the steam turbine and added to the feed water pre-heating unit for the additional pre-heating of feed water.

Steam turbine installation and method for operating the steam turbine installation

A steam turbine plant has a steam turbine and an inlet steam collection line with an inlet steam collection line segment is provided. The inlet steam collection line supplies a steam consumer and is introduced into outlet steam flow of the steam turbine at an inlet steam introduction point of the inlet steam collection line segment. A supply steam device has a switching armature for connecting the supply steam device to the inlet steam collection line segment upstream of the inlet steam introduction point. The armature is triggered and switched such that if outlet steam pressure in the inlet steam collection line segment is lower than target pressure, the inlet steam collection line segment is connected to the supply steam device for conducting steam and disconnected between the armature and the inlet steam introduction point, otherwise the supply steam device is separated from the inlet steam collection line segment.

Steam turbine plant with variable steam supply

A turbomachine including a rotor and an inner interior housing an outer interior housing and an exterior housing, wherein the turbomachine has a first flow and a second flow arranged opposite the first flow for a high-pressure blading or medium-pressure blading, wherein the inner interior housing is made of a higher quality material tan the outer interior housing and solely accommodates the high-pressure and medium-pressure inflow regions including the balance piston is provided.

Steam turbine in a three-shelled design

Disclosed is a steam turbine comprising an exterior housing and an interior housing. The exterior housing and the interior housing are provided with a fresh steam supply duct. A rotor that encompasses several impeller blades and a thrust-compensating piston is rotably mounted within the interior housing. The interior housing is equipped with several guide blades that are disposed such that a flow duct comprising several blade stages, each of which comprises a series of impeller blades and a series of guide blades, is formed along a specific direction of flow. The interior housing is further equipped with a recirculation duct which is embodied as a pipe that communicates between a space located between the interior housing and the exterior housing and the flow duct downstream of a blade stage. The interior housing is additionally equipped with a supply duct that is configured as a pipe which communicates between the space located between the interior housing and the exterior housing and an antechamber of the thrust-compensating piston located between the thrust-compensating piston of the rotor and of the interior housing.

Steam turbine and method for operation of a steam turbine

A method and a device are for operating a steam turbine in which includes several no-load or light-load phases. All phases are supplied with steam in order to ensure good preheating. The supply of a phase is selected in such a way that the phase produces the least possible output, preferably no output. The enthalpy differential between the entrance to and exit from the phase is thus preferably reduced to zero.

Method and device for operating a steam turbine comprising several no-load or light-load phases

A method and a device are for cooling the inflow area of the shaft of a steam turbine. According to the method and device, a partial mass flow m is branched off upstream of a feed device that supplies the steam to the team turbine. The partial mass flow is cooled and then guided to the feed device, from where it is supplied to the steam turbine together with the remaining mass flow m . The method and device allow for a simplified control and design of the turbine.

Method and device for cooling the inflow area of the shaft of a steam turbine

In order, in a particularly simple way, to allow multiple separation and connection of line sections of a line, through which a hot and highly compressed medium flows, in particular a pipeline, through which steam flows, there is provided a double-walled flanged connection. The double-walled flange connection is formed of an outer flange and an inner flange, between which an interspace, through which a cooling medium is capable of flowing, is formed. The apparatus is particularly suitable for the connection of line sections of a steam turbine.

Apparatus for the connection of line sections

A steam turbine with a steam inlet region, an exhaust-steam region and a blading region surrounded by a turbine housing and disposed axially therebetween. Furthermore, a cooling-fluid inlet is provided which can be closed and opened by a closing member and through which cooling fluid can be introduced into the turbine housing. The introduced cooling fluid can be conducted out of the turbine housing again via a suction device for sucking out the cooling fluid. The invention relates, furthermore, to a steam turbine plant and to a method for cooling the steam turbine.

Steam turbine, steam turbine plant and method for cooling a steam turbine

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Mülheim an der Ruhr, Germany

Michael Wechsung