Abstract: In a sheet folding apparatus for folding a sheet, a sheet is pushed at a predetermined position thereof by a push member while the sheet is being conveyed by a conveyance roller. The predetermined position of the sheet is guided to the nip section of a folding roller pair. Then, the sheet is nipped at the predetermined position thereof and folded by the folding roller pair.

Abstract: There is provided a manufacturing method of a turbine casing capable of easily realizing improvement of reliability. A manufacturing method of a turbine casing according to an embodiment is a manufacturing method of a turbine casing which includes an outer casing formed of ferritic heat resistant steel and an inner casing disposed inside the outer casing and formed of austenitic heat resistant steel, and in which an exhaust hood to which a working medium after performing work in turbine stages is exhausted, is covered by the inner casing. Here, the inner casing is manufactured by using members produced by at least either forging or rolling.

Abstract: There is provided a turbine casing capable of easily realizing improvement of reliability regarding a connection with an exhaust pipe. A turbine casing according to an embodiment includes an exhaust pipe connecting part formed of ferritic heat resistant steel, to which an exhaust pipe formed of austenitic heat resistant steel is connected. Here, the exhaust pipe connecting part and the exhaust pipe are fastened by using screws.

Abstract: Provided is a sheet folding apparatus for folding sheets, including: a feeding-roller pair; a loop-forming space provided downstream from the feeding-roller pair, for forming a sheet loop; a pushing member for pushing the looped sheet; a folding-roller pair for nipping a prescribed part of the sheet pushed by the pushing member, thereby to fold the sheet; and a path provided between the feeding-roller pair and the folding-roller pair, for guiding the sheet fed from the feeding-roller pair toward the loop-forming space.

Abstract: A steam turbine according to an embodiment includes an outer casing, an inner casing, a turbine rotor, and a pair of inner casing regulating portions. The pair of inner casing regulating portions regulates movement of the inner casing in a direction orthogonal to an axial direction of the turbine rotor. The pair of inner casing regulating portions is disposed beneath the inner casing at positions different from each other in the axial direction and is supported by a regulating supporting portion extending upward from a bottom portion of the outer casing.

Abstract: A steam turbine according to an embodiment includes an outer casing; an inner casing housed in the outer casing; a turbine rotor penetrating the inner casing and the outer casing; and a supporting beam provided inside the outer casing. The supporting beam extends in an axial direction of the turbine rotor and supports the inner casing. The outer casing includes outer casing supporting portions which are provided at both ends of the outer casing in the axial direction and are supported by the foundation. The supporting beam has beam end portions provided at both ends in the axial direction. Each of the outer casing supporting portions includes a supporting surface that supports the corresponding beam end portion.

Abstract: A turbine and so on capable of enabling high reliability are provided. In the turbine of an embodiment, a turbine rotor is accommodated in a turbine casing, and is rotated by a working medium which is introduced after flowing in an inlet pipe of a combustor. A sleeve is provided at the turbine casing, and accommodates the inlet pipe therein. Here, the sleeve is thicker than the inlet pipe, and a cooling fluid whose temperature is lower than the working fluid flows between the inlet pipe and the sleeve.

Abstract: A steam turbine 1 of one embodiment has a side exhaust structure where a condenser 190 is installed at one side in directions perpendicular and horizontal to an axial direction of a turbine rotor 40 and supported on a foundation 70. The steam turbine 1 includes an outer casing 10 having an outer casing upper half 12 and an outer casing lower half 13; a groove part 100 formed in each of a pair of lower half end plates 17 extending perpendicular to the axial direction of the turbine rotor 40, the groove part 100 being opened upward and being recessed to an inside of the outer casing 10; and a block-shaped key member 120 fitted to both the groove parts 100 and 110, a groove part 110 being formed at a part of the foundation 70 facing the groove part 100, the groove part 110 being opened upward.

Abstract: A sealing structure according to the embodiment includes a first cylinder, a second cylinder, an intermediate cylinder, a first sealing part, and a second sealing part. The first cylinder forms a flow passage of a working fluid of a turbine therein. The second cylinder is disposed at one end of the first cylinder and downstream from the flow passage. The intermediate cylinder is disposed between the first and second cylinders. The first sealing part is disposed at one of a first region between the first cylinder and the intermediate cylinder and a second region between the second cylinder and the intermediate cylinder, and follows a positional displacement in a radial direction. The second sealing part is disposed at the other of the first and second regions, and follows a positional displacement in an axial direction.

Abstract: An axial flow turbine according to an embodiment includes: an outer casing; an inner casing provided inside the outer casing; a discharge pipe that is welded and joined to the outer casing and through which a working fluid discharged from the axial flow turbine flows; a sleeve that is provided inside the outer casing and the discharge pipe and guides the working fluid discharged from the axial flow turbine to the discharge pipe; a tubular member that is provided over an outer periphery of the sleeve inside the outer casing and the discharge pipe and covers an inner periphery side of a joint portion between the outer casing and the discharge pipe; an introduction port that introduces a cooling medium into a space demarcated by the outer casing, the discharge pipe, and the tubular member; and a discharge port that discharges the cooling medium introduced into the space.

Abstract: An exhaust hood in an embodiment includes: an outer casing; and an annular diffuser which is provided on a downstream side of a final turbine stage and formed by a cylindrical steam guide and a cylindrical bearing cone provided inside the steam guide. The steam guide includes a curved guide and a flat-plate guide which is provided on a downstream side of the curved guide. When a cross section of the outer casing vertical to the rotation axis of the turbine rotor is viewed from the downstream side of the steam guide, expansion outward in the radial direction of the flat-plate guide is set based on D/H where a distance between the rotation axis of the turbine rotor and an inner surface of the outer casing is H and a distance between the rotation axis of the turbine rotor and a downstream end of the flat-plate guide is D.

Abstract: A steam turbine according to an embodiment includes an outer casing, an inner casing, a turbine rotor, and a pair of inner casing regulating portions. The pair of inner casing regulating portions regulates movement of the inner casing in a direction orthogonal to an axial direction of the turbine rotor. The pair of inner casing regulating portions is disposed beneath the inner casing at positions different from each other in the axial direction and is supported by a regulating supporting portion extending upward from a bottom portion of the outer casing.

Abstract: A steam turbine according to an embodiment includes an outer casing; an inner casing housed in the outer casing; a turbine rotor penetrating the inner casing and the outer casing; and a supporting beam provided inside the outer casing. The supporting beam extends in an axial direction of the turbine rotor and supports the inner casing. The outer casing includes outer casing supporting portions which are provided at both ends of the outer casing in the axial direction and are supported by the foundation. The supporting beam has beam end portions provided at both ends in the axial direction. Each of the outer casing supporting portions includes a supporting surface that supports the corresponding beam end portion.

Abstract: An image processing apparatus includes a plurality of image processing module parts, a module arbiter part, and a DMAC (Direct Memory Access Controller) part. Each of the image processing module parts includes a module core for executing a predetermined image processing. The plurality of image processing module parts is connected to the module arbiter part. The module arbiter part arbitrates memory access which is given by the plurality of image processing module parts through a bus. The DMAC part is connected between the module arbiter part and the bus, and executes memory access related to the arbitration result obtained by the module arbiter part.

Abstract: A single-flow turbine using CO2 as a working fluid. The turbine includes a balance piston portion configured to optimize an axial load of a rotor on a bearing with a fluid having a temperature lower than a temperature of the working fluid introduced into the turbine, wherein a flow path in which at least a part of the fluid passing through the balance piston portion is extracted from a middle part of the passing, and in which at least a part of the extracted fluid is urged to flow to a middle part of a passage where the working fluid passes and where rotor blades at a plurality of stages are provided, is formed at the turbine.

Abstract: A sealing structure according to the embodiment includes a first cylinder, a second cylinder, an intermediate cylinder, a first sealing part, and a second sealing part. The first cylinder forms a flow passage of a working fluid of a turbine therein. The second cylinder is disposed at one end of the first cylinder and downstream from the flow passage. The intermediate cylinder is disposed between the first and second cylinders. The first sealing part is disposed at one of a first region between the first cylinder and the intermediate cylinder and a second region between the second cylinder and the intermediate cylinder, and follows a positional displacement in a radial direction. The second sealing part is disposed at the other of the first and second regions, and follows a positional displacement in an axial direction.

Abstract: A steam turbine 10 of an embodiment has seal rings 60 between an inlet sleeve 40 for introducing steam and an inner casing 20 and an outer casing 21 into which the inlet sleeve 40 is inserted. The seal rings 60 have high-temperature side seal rings 70 which are disposed their inner circumferences contacted to the outer circumference of the inlet sleeve 40, and low-temperature side seal rings 80 which are formed to have inner and outer diameters larger than those of the high-temperature side seal rings 70 and disposed with their outer circumferences contacted to the inner casing 20 or the outer casing 21. A thermal barrier layer 90 is disposed between the inner circumferences of the high-temperature side seal rings 70 and the outer circumference of the inlet sleeve 40 and between the high-temperature side seal rings 70 and the low-temperature side seal rings 80.

Abstract: A turbine and so on capable of enabling high reliability are provided. In the turbine of an embodiment, a turbine rotor is accommodated in a turbine casing, and is rotated by a working medium which is introduced after flowing in an inlet pipe of a combustor. A sleeve is provided at the turbine casing, and accommodates the inlet pipe therein. Here, the sleeve is thicker than the inlet pipe, and a cooling fluid whose temperature is lower than the working fluid flows between the inlet pipe and the sleeve.

Abstract: A steam turbine 10 is comprised of a double-structured casing configured of an outer casing 21 and an inner casing 20, a turbine rotor 23 disposed through the inner casing and having a plurality of stages of moving blades 22 implanted, and a plurality of stages of stationary blades 25 disposed alternately with the moving blades 22 in the axial direction of the turbine rotor 23 in the inner casing 20. The steam turbine 10 is further provided with a discharge passage 30 which externally guides steam, which has flown in the inner casing and passed the final stage moving blades while performing expansion work, directly from the inner casing interior.

Abstract: An image processing apparatus includes a plurality of image processing module parts, a module arbiter part, and a DMAC (Direct Memory Access Controller) part. Each of the image processing module parts includes a module core for executing a predetermined image processing. The plurality of image processing module parts is connected to the module arbiter part. The module arbiter part arbitrates memory access which is given by the plurality of image processing module parts through a bus. The DMAC part is connected between the module arbiter part and the bus, and executes memory access related to the arbitration result obtained by the module arbiter part.