The present invention of a rotary machine and a seal member comprises: a casing (11); a rotor (12) which is rotatably held in the casing (11); a stationary blade (13) which is fixed to the inner periphery of the casing (11); a moving blade (14) which is fixed to the outer periphery of the rotor (12); and a seal devi...

The purpose of the invention is to have the temperature of vapor generated by a boiler be a desired temperature even when variations in solar radiation occur. A boiler system (1) comprises: a boiler (3) that generates vapor from feed water; a fourth feed water pipe (23) through which feed water supplied to the boile...

There are provided a Co based alloy powder, a Co based 5 alloy sintered body, and a method for producing a Co based alloy sintered body that each can provide a Co based alloy material having mechanical properties equivalent to or higher than those of precipitation strengthened Ni based alloy materials. 10 The ...

The present invention comprises: a cylindrical tube (314) that has a cylindrical shape about an axis (O) extending in the horizontal direction and has a space internally extending in the direction of the axis (O); steam inlets (31, 32) which are provided at the bottom of the cylindrical tube (314) and through which ...

Provided is a startup control device for adjusting a startup schedule during startup of a power generation plant. This startup control device is provided with: a determining unit which, for a prescribed physical quantity that restricts the startup of the power generation plant, determines, on the basis of a predicte...

A steam stop valve (20) is provided with: a valve body (40) that linearly moves in a reciprocating manner in a valve casing (30) and opens/closes a flow passage (33); a valve rod (41) that is connected to the valve body; an actuator (50) that moves the valve rod; and a link mechanism (60) for transmitting an operati...

The purpose of the present invention is to suppress leakage of fluid and suppress a decrease in strength. A seal member (30) is disposed between a rotor (12) and a stator (11) to provide a seal between the rotor (12) and the stator (11). The seal member (30) comprises: a rotating-side member fixed to a surface of th...

This steam turbine is provided with: a rotary shaft; a plurality of movable blades each of which has a movable blade body (42) and a shroud (43), and which are circumferentially arranged at intervals; a casing (5) that has a recessed section (8) for accommodating the shroud (43); fins (7) that form clearances (C) fr...

This steam turbine is provided with: a steam turbine rotor which extends in an axial direction; a pair of bearings which support the steam turbine rotor in such a way as to be capable of rotating about the axial direction; a steam turbine cabin which encloses the steam turbine rotor between the pair of bearings; a c...

The front end of a horizontal duct 8 communicates with an exhaust gas outlet of a coil-fired boiler, and the back end of the horizontal duct 8 communicates with the bottom end of a vertical duct 9. A duct 17 defines a duct inner space 18 which allows exhaust gas emitted from the coil-fired boiler to flow from the ho...

A steam turbine installation provided with: a rotor shaft; a pair of radial bearings rotatably supporting the rotor shaft; a pair of low-pressure turbine blade rows disposed on the rotor shaft within a bearing span of the pair of radial bearings; and a high-pressure turbine blade row and an intermediate-pressure tur...

This method for replacing a furnace wall tube of a furnace wall of a boiler comprises: an identification step for identifying a furnace wall replacement portion which contains a furnace wall tube replacement portion, which is a portion of the length direction of at least one of a plurality of furnace wall tubes; a c...

This operation support system for desulfurization equipment evaluates the integrity of the desulfurization equipment by comparing an actually measured performance with an analysis performance calculated on the basis of operation data on the desulfurization equipment, and constructs support information including an o...

This steam turbine facility is provided with a rotor shaft, a high pressure turbine blade cascade and an intermediate pressure turbine blade cascade provided on the rotor shaft, a first low pressure turbine blade cascade and a second low pressure turbine blade cascade provided on the rotor shaft on either side of th...

This rotating machine is provided with: a casing 11 having a hollow shape; a rotor 12 supported with freedom to rotate inside the casing 11; stationary blades 13 fixed to an inner circumferential portion of the casing 11; moving blades 14 fixed to an outer circumferential portion of the rotor 12, offset in an axial ...

SYSTEM AND METHOD FOR WELDING AUTOMATION IN FGD (FLUE-GAS DESULFURIZATION) ABSORBERS [00052] The present invention generally relates to the field of automated welding. More particularly, this invention relates to automated welding systems and methods in FGD (Flue-Gas Desulfurization) absorbers with an increase we...

A rotary machine is provided with: a casing 11 that has a hollow shape; a rotor 12 that is rotatably supported inside the casing 11; a stationary blade 13 that is fixed to an inner peripheral part of the casing 11; a moving blade 14 that is fixed to an outer peripheral part of the rotor 12 so as to be deviated in an...

A stator blade heating system 20 is to heat a hollow stator blade 10 of a steam turbine, and includes: an electromagnetic coil 21 disposed within a hollow portion 10e of the stator blade 10; and a heating device 22 electrically connected to the electromagnetic coil 21 and capable of supplying an alternating cur...

An exhaust chamber (25) is equipped with: a diffuser (26) that forms a diffuser space (26s); an exhaust casing (30) that forms an exhaust space (30s) communicating with the diffuser space (26s); and an auxiliary exhaust frame (40) that forms an auxiliary exhaust space (40s) having an annular shape centered around an...

A turbine blade (21) has a ventral surface (21P) that extends in the radial direction, which intersects with a vapor flow direction, and faces the upstream side of the flow direction. A slit (5) is formed on the downstream side in the ventral surface (21P), extends radially, and captures a component of vapor that ha...

This high-frequency hardening apparatus is provided with: an induction heating coil which has a U-shaped part that sandwiches a turbine blade, a pair of linear parts, and a connection part connecting the U-shaped part and the linear parts; a temperature detection unit which detects, in a non-contact manner, temperat...

Provided is technology to efficiently store and use, in a plurality of different temperature ranges, excess energy generated at a power generation plant. A heat storage device 140 that has a plurality of heat storage units to recover and accumulate heat from a fluid passing through a channel provided therein is char...

A steam turbine hollow stationary blade is able to reduce the amount of water droplets captured on a blade surface. The steam turbine hollow stationary blade, which has a cavity therein, includes a partition wall dividing the cavity into a pressure chamber on a leading edge side and an exhaust chamber on a tr...

A platy chemical heat-storage object which comprises a substrate constituted of a metallic net and a heat-storage material composition fixed to the substrate, wherein the heat-storage material composition includes at least one compound selected from the group consisting of the hydroxide or oxide of magnesium, the hy...

To sample cooling water from a discharge pipe under vacuum, with a simple structure and without using a largescale device. Provided is a sampling system for sampling cooling water flowing through a discharge pipe extending from a condenser to a sea. The sampling system includes: a bypass pipe branched off from...

Provided are a denitration catalyst regeneration method and a denitration catalyst regeneration system, which are capable of recovering denitration performance to a high level and reducing the SO2 oxidation rate of a catalyst. A denitration catalyst regeneration method according to the present invention includes: a ...

A sealing fin fixing apparatus can fix a sealing fin to a rotor in a shortened period of time to minimize variations of the pullout strength of the sealing fin. In the sealing fin fixing apparatus that fixes the sealing fin in a sealing groove defined in the outer circumference of the rotor of a rotary machine...

A turbine blade is provided with: a blade shape part having a pressure surface and a negative pressure surface that extend between a front edge and a rear edge thereof; and a platform including an end wall to which a base end of the blade shape part is connected. The end wall includes a negative pressure surface sid...

An assembly or disassembly method for a casing of a steam turbine in which an inner casing (6) is installed in an outer casing (5), and the inner casing (6) and the outer casing (5) are fixed at a fixing position (1), wherein when the inner casing (6) is assembled or disassembled in a state where the fixing pos...

A first catalytic layer 11 is disposed in a gas flow passage 15 and is loaded with a first catalyst for reducing and removing nitrogen oxides in exhaust gas using ammonia as a reducing agent. A second catalytic layer 12 is disposed in the gas flow passage 15 on the upstream-side and/or the downstream-side of the fir...

A NOx reduction catalyst which is composed of a molded body that contains a catalyst component, while having microcracks that extend in the shape of a network or a double-sided comb on the surface of the molded body, and which is configured such that: the microcracks have a 95% crack width of 100 µm or less; the var...

A method for evaluating a crack in a metal member comprises a first removal step (S10) and a second removal step (S20). In the first removal step (S10), a step for electrolyzing a metal member having an oxide scale formed on a surface thereof, a step for acquiring an image of the oxide scale as a first image, and a ...

The purpose of the present invention is to provide: a regenerated denitration catalyst having restored denitration performance compared to a denitration catalyst before use, by using a used denitration catalyst; and a production method therefor. In a regenerated denitration catalyst according to the present disclosu...

This turbine stator vane extends in the radial direction which intersects the flow direction of steam, and includes a middle surface facing the upstream side in the flow direction, and a back surface facing the downstream side in the flow direction. A plurality of grooves are formed in at least the middle surface, t...

Provided is a tilting pad type journal bearing capable of reducing the amount of oil that has to be supplied to the bearing. A bearing comprises nozzles 5 which are each arranged between pads 2 to supply lubricating oil to sliding surfaces 14 of the pads 2. The sliding surface 14 of each of the pad 2 is formed so t...

A bearing device equipped with: a carrier ring; a first bearing part provided along the outer circumference of a rotor shaft on the inner-circumferential side of the carrier ring; a second bearing part provided along the outer circumference of the rotor shaft on the inner-circumferential side of the carrier ring and...

A flow guide (27) is provided with a flange (41), a guide plate (42), an an inside member (43). A ring groove (44) which is recessed to the radially outer side from an inner circumferential surface (45) and which extends in a circumferential direction, based on an axis, is formed in the flange (41). The inside membe...

The present invention comprises a screw main body (71), a male thread section (75) formed on the outer circumference of the screw main body (71), and a set screw (56) having a drain hole (78) that penetrates the center of the screw main body (71) in the extension direction of the screw main body (71). A blade root r...

The present invention provides a method for operating a combined power generation facility that can shorten the start-up time of the combined power generation facility (shorten the time to reach the rated load) and enables high-efficiency operation at the start-up by adopting a gas turbine that uses high-humidity ai...

An operation assistance method for presenting a recommended operational action with respect to an alert that is issued when issuance criteria are met in a facility, said operation assistance method comprising: a step for detecting issuance of an alert; a step for extracting, from an alert history storage unit that s...

The present invention comprises: desulfurization equipment 10 provided with a desulfurization device 11 for bringing seawater and combustion exhaust gas into contact with each other to thereby cause the seawater to absorb sulfur oxide included in the combustion exhaust gas; desalination equipment 20 provided with a ...

A reducing agent supply device for supplying a reducing agent on the upstream-side of SCR catalyst in an exhaust gas flow channel, said reducing agent supply device being provided with: at least one header pipe, which extends inside the flow channel and is configured so that the reducing agent can flow through the i...

A turbine blade (21) has a ventral surface (21P) that extends in the radial direction, which intersects a vapor flow direction, and faces the upstream side of the flow direction. A slit (5) is formed on the downstream side in the ventral surface (21P) and captures droplets generated as a result of the liquefaction o...

A denitration device that has: an inlet duct having a flowpath that causes exhaust gas from a boiler to flow in the horizontal direction; a connecting duct having a flowpath that changes the flow of exhaust gas from the horizontal direction to the vertical direction; and a reactor duct having a flowpath that causes ...

This steam turbine stationary blade is provided with: a blade body part having a blade surface including a pressure surface and a negative pressure surface; a moisture removal flow passage provided inside the blade body part; at least one slit that is open in the blade surface, communicates with the moisture removal...

This separation recovery system is provided with: a first absorption tower in which exhaust gas discharged from a first combustion device is brought into gas-liquid contact with a cleaning liquid; a second absorption tower in which exhaust gas discharged from a second combustion device is brought into gas-liquid con...

This ultrasonic testing device (100) is a device for testing a rotor disk using ultrasonic waves. The ultrasonic testing device (100) is provided with: an inspecting unit (10) including an ultrasonic probe which transmits ultrasonic waves onto a disk surface of a rotor disk; a first magnet (11) which holds the ultra...

A passenger compartment (1) comprises: a passenger compartment body (1B), which covers a rotor (21) of a steam turbine (100) from the outer side, and in which is formed an exhaust port (E) through which steam is horizontally exhausted; an overhanging part (22A) that horizontally widens from the outer surface of the ...

An exhaust hood of a steam turbine according to one embodiment comprises: an outer casing including an end wall part in an axial direction, and an extending part provided as extending upstream in the axial direction from the end wall part; a first flow guide which forms an upstream-side area of a diffuser surface of...

This fluid delivery apparatus is configured to deliver, to a plurality of delivery destinations, a slurry liquid that is to be brought into contact with exhaust gas discharged from a combustion apparatus, the fluid delivery apparatus being provided with: a first delivery line for delivering the slurry liquid from a ...

This diaphragm for a steam turbine has a diaphragm inner wheel, a diaphragm outer wheel, and a wing section that are integrally formed, wherein: the diaphragm comprises a collector ring that holds a seal fin having a radial spill strip structure, and an adapter ring that is interposed between the diaphragm outer whe...

DEVICE SYSTEM AND METHOD FOR EXECUTION PHILOSOPHY OF TITANIUM WELDING IN FGDABSORBER. The present invention generally relates to the field of automated welding. More particularly, this invention relates to Exotic material applicationand welding methods in Outlet ductwork and stacks of the FGD (Flue-Gas Desulfuriz...