Abstract: A device for energy recovery for a large diesel engine includes a current generator for converting mechanical rotational energy into electric energy. The current generator includes input shaft for applying rotational energy; a steam turbine a first shaft for transmitting the rotational energy of the steam turbine to the input shaft of the current generator a power turbine and a second shaft for transmitting the rotational energy of the power turbine to the input shaft of the current generator, wherein the first shaft and the second shaft are coupled with the input shaft of the current generator. A first coupling device between the current generator and the steam turbine couples the input shaft of the current generator and the first shaft and/or a second coupling device between the current generator and the power turbine couples the input shaft of the current generator and the second shaft are provided.

Abstract: A device for connecting a blade to a rotor shaft of a continuous flow machine, includes a first fork foot which has a quantity of first foot lugs with first bore holes, a second fork foot which has a quantity of second foot lugs with second bore holes, and at least one connection bolt which passes through first and second bore holes to connect the first fork foot to the second fork foot. The device has a first area with a predetermined first diameter difference between a first inner diameter of one of the bore holes and a first outer diameter of the connection bolt, and a second area with a predetermined second diameter difference between a second inner diameter of one of the bore holes and a second outer diameter of the connection bolt, wherein the first diameter difference and the second diameter difference differ from one another.

Abstract: A turbomachine has a first process control element, a second process control element, and a test system for testing the first process control element. The first process control element and the second process control element influence the same process variable. To test the first process control element, the test system changes the process variable by means of the second process control element. This change in the process variable caused by the second process control element is compensated again by means of the first process control element.

Abstract: The invention relates to a steam generation plant, comprising a steam generator (1) with a combustion chamber (8), an evaporator, a superheater (9), an intermediate superheater (12), a condenser (14), a feed water preheater (16, 19, 19?) regeneratively heated by steam, a steam turbine set (2) with a high-pressure section (4), a medium pressure section (5) and a low-pressure section (6), a flue gas line (22), connected to the combustion chamber (8), an air supply line (21), for the supply of combustion air to the burner in the combustion chamber (8) and an air preheater (3) with flue gas and combustion air passing therethrough. An air line (23) branches off from the air supply line (21) downstream of the air preheater (3) in said steam generation plant and supplies an air-fractionation unit (25). Air coolers (34, 35) are arranged in the air line (23) through which the condensate or feed water from the condensate/feed water circuit from the steam generator (1) flows.

Abstract: This invention relates to the simultaneous treatment of the internal and external surfaces of turbine blades or vanes. In particular it provides a process for coating an external and an internal surface of a turbine blade or vane with aluminium and chromium, respectively, at substantially the same time. The process comprises the following steps (i) and (ii) in either order: (i) applying to the external surface an aluminising compound comprising aluminium, a moderator, an energiser and a diluent; and (ii) applying to the internal surface a chromising compound comprising chromium, an energiser and a diluent. These steps are followed by (iii) heating the turbine blade or vane to form an aluminium layer on the external surface and a chromium layer on the internal surface. The invention also provides a suitable aluminising compound and a chromising compound per se.

Abstract: A multistage radial compressor (1) with at least two compressor stages for compressing a fluid has a compressor housing (16) in which a flow channel (2) is formed for the fluid to be compressed; an impeller (4) with a plurality of impeller vanes (5) which are arranged in the flow channel (2) and are rotatable with the impeller (4) around a driveshaft (A), and a 3D return blading (8) with a plurality of return vanes (9) which are fixed with respect to rotation relative to the compressor housing (16). The flow channel (2) has a curved deflecting channel (7) which is arranged in front of the return vanes (9) in the flow direction. A vane base (11) and/or, axially downstream thereof, a vane head (12) of the return vanes (9) of the 3D return blading (8) have/has a curvature, and/or the return vanes (9) have a first vane angle distribution (17) at the vane base (11) and a second vane angle distribution (18) differing from this at the vane head (12).

Abstract: A method is provided for coating a hollow, internally cooled blade (1) of a gas turbine, in which method an outer coating (5) comprising an MCrAlY-based bonding layer (6) and a ceramic thermal barrier layer (9) of zirconium oxide is applied to the base material (3) of the blade (1) on the outer side of the blade (1) and an inner coating (4) comprising a Cr diffusion layer (7) is applied to the base material (3) of the blade (1) on the inner side of the blade (1). The MCrAlY-based bonding layer (6) is thereby applied to the finished blade (1). At the same time, along with the inner coating (4), the Cr diffusion layer (7) is also applied to the MCrAlY-based bonding layer (6) of the outer coating (5) by chemical vapour deposition. Subsequently, an Al diffusion layer (8) and an outer brittle Al build-up layer are applied by chemical vapour deposition to the bonding layer (6) coated with the Cr diffusion layer (7).

Abstract: A power plant has a coal gasification device (1) for gasifying coal (K), particularly with water injection (W), a gas combustion device, particularly a CES burner (2), for combusting synthesis gas, particularly purified synthesis gas, from the coal gasification device (1), a hot gas expander (3) for generating usable output power by expansion of flue gas (RG) from the gas combustion device, a steam generator, particularly a waste heat steam generator, (4) for heating, particularly for evaporating and/or superheating, feedwater (W) through exhaust heat of the expanded flue gas, a steam turbine set with at least a first stage (HD) for expanding steam, particularly high-pressure steam, from the steam generator, and a reheater (ZÜ) which is arranged after the first stage of the steam turbine set and through which expanded flue gas flows.

Abstract: A device for connecting a blade to a rotor shaft of a continuous flow machine, includes a first fork foot which has a quantity of first foot lugs with first bore holes, a second fork foot which has a quantity of second foot lugs with second bore holes, and at least one connection bolt which passes through first and second bore holes to connect the first fork foot to the second fork foot. The device has a first area with a predetermined first diameter difference between a first inner diameter of one of the bore holes and a first outer diameter of the connection bolt, and a second area with a predetermined second diameter difference between a second inner diameter of one of the bore holes and a second outer diameter of the connection bolt, wherein the first diameter difference and the second diameter difference differ from one another.

Abstract: A method for determining emission values of a gas turbine comprises the following steps: performing a test run of the gas turbine; determining operating parameters (T0, T4, T4*, NGG, output) of the gas turbine during the test run; determining first emission values (NOx) during the test run; storing a correlation (NOx(T4*)) between the operating parameters and the first emission values; and, during operation, determining operating parameters (T0, T4, T4*, NGG) of the gas turbine; and determining second emission values (NOx 15% O2 dry exhaust) corresponding to the stored correlation (NOx(T4*)) between the operating parameters and the first emission values.

Abstract: The invention relates to a burner for a turbomachine, comprising a guide plate that is arranged in a flame chamber and engages a wall section via spacers. The invention further relates to a guide plate, the fastening section of which comprises a plurality of raised areas for fastening to a wall section of a flame chamber. The invention further relates to a turbomachine having a burner of said kind.

Abstract: A The hot-gas conducting component for a flow machine has a nickel-base wrought alloy as structural material and a hot gas-side lining made from the group of iron-chromium-aluminum-yttrium alloys and a flow machine having a component of this type.

Abstract: A flow machine having a housing, an axial diffuser, a rotor for deflecting a fluid between an axial direction and a radial direction, a spiral, and an axial diffuser insert which is at least partially received in the housing. A spiral contour is formed in the diffuser insert and, together with the housing, defines the spiral.

Abstract: The invention relates to a fluid-tight cable duct (1) which is used to guide a cable (2) into a chamber (3) which can be impinged upon by pressure, and which comprises a housing (4), at least one cable (2) and one first and one second seal (5a, 5b) which can be pressure-loaded. The two pressure-loaded seals (5a, 5b) and the housing (4) define an inner hollow chamber (4d), and the cable (2) enters into the inner hollow chamber (4d) via the first seal (5a), through which the inner hollow chamber (4d) extends, and exits the inner hollow chamber (4d) via the second seal (5b). The inner hollow chamber (4d) comprises a pressure discharge opening (4c) which leads into an outer chamber (6) which is located outside the chamber (3) which can be impinged upon by pressure.

Abstract: To monitor a sealing arrangement for sealing a shaft relative to a stationary part having a shaft sealing ring with a shaft conductor surface arrangement, a stator sealing ring with a stator conductor surface arrangement that is insulated from the shaft conductor surface arrangement, and a capacitive measuring arrangement, the stator conductor surface arrangement has a first stator conductor surface and at least a second stator conductor surface that is electrically insulated from the latter, and the shaft conductor surface arrangement has at least one shaft conductor surface, and the measuring arrangement has a device for detecting an electric capacitance between two stator conductor surfaces of the stator conductor surface arrangement, the electric capacitance between two stator conductor surfaces of the stator conductor surface arrangement is detected during operation.

Abstract: To protect a base metal layer (1) against high-temperature corrosion and high-temperature erosion, an adhesive layer (3) based on MCrAlY is applied to the base metal layer (1). The adhesive layer (3) is coated with an Al diffusion layer (4) by alitizing. The diffusion layer (4) is subjected to an abrasive treatment, so that the outer built-up layer (4.2) on the diffusion layer (4) prepared by alitizing is removed by the abrasive treatment. A ceramic heat insulation layer (2) consisting of zirconium oxide, which is partially stabilized by yttrium oxide, is applied to the diffusion layer (4) thus treated.

Abstract: A horizontally split flow machine housing, particularly for a radial compressor, has a top housing part and a bottom housing part and a top stator part which is received in the top housing part and is prevented from falling out in that the top stator part is supported from the top by stator stops on housing stops. At least one housing stop is fastened to the top housing part in such a way that it can be adjusted toward a stator stop during assembly and is supported at the top housing part below a point of contact between the stator stop and housing stop.

Abstract: The invention relates to a steam generation plant, comprising a steam generator (1) with a combustion chamber (8), an evaporator, a superheater (9), an intermediate superheater (12), a condenser (14), a feed water preheater (16, 19, 19?) regeneratively heated by steam, a steam turbine set (2) with a high-pressure section (4), a medium pressure section (5) and a low-pressure section (6), a flue gas line (22), connected to the combustion chamber (8), an air supply line (21), for the supply of combustion air to the burner in the combustion chamber (8) and an air preheater (3) with flue gas and combustion air passing therethrough. An air line (23) branches off from the air supply line (21) downstream of the air preheater (3) in said steam generation plant and supplies an air-fractionation unit (25). Air coolers (34, 35) are arranged in the air line (23) through which the condensate or feed water from the condensate/feed water circuit from the steam generator (1) flows.

Abstract: A Multi or single-stage turbo compressor with at least one compressor wheel fastened to a shaft. the shaft is mounted in a turbocompressor housing which is separated by a hub disc a front interior housing region in front of the hub disc of the compressor wheel. The driven compressor wheel delivers a fluid from an inlet channel (10) to an outlet channel. The front interior housing region comprises a wheel lateral space from which an extraction channel for the extraction of fluid is provided.

Abstract: A device for energy recovery for a large diesel engine includes a current generator for converting mechanical rotational energy into electric energy. The current generator includes input shaft for applying rotational energy; a steam turbine a first shaft for transmitting the rotational energy of the steam turbine to the input shaft of the current generator a power turbine and a second shaft for transmitting the rotational energy of the power turbine to the input shaft of the current generator, wherein the first shaft and the second shaft are coupled with the input shaft of the current generator. A first coupling device between the current generator and the steam turbine couples the input shaft of the current generator and the first shaft and/or a second coupling device between the current generator and the power turbine couples the input shaft of the current generator and the second shaft are provided.