WO2014126154A1 - 復水器、これを備えている多段圧復水器、復水器に用いる再熱モジュール - Google Patents
復水器、これを備えている多段圧復水器、復水器に用いる再熱モジュール Download PDFInfo
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- WO2014126154A1 WO2014126154A1 PCT/JP2014/053339 JP2014053339W WO2014126154A1 WO 2014126154 A1 WO2014126154 A1 WO 2014126154A1 JP 2014053339 W JP2014053339 W JP 2014053339W WO 2014126154 A1 WO2014126154 A1 WO 2014126154A1
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- Prior art keywords
- condenser
- pressure
- steam
- partition members
- partition
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B7/00—Combinations of two or more condensers, e.g. provision of reserve condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B3/00—Condensers in which the steam or vapour comes into direct contact with the cooling medium
- F28B3/02—Condensers in which the steam or vapour comes into direct contact with the cooling medium by providing a flowing coating of cooling liquid on the condensing surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
- F28F25/087—Vertical or inclined sheets; Supports or spacers
Definitions
- the present invention relates to a condenser for returning steam to water, a multistage pressure condenser equipped with the condenser, and a reheat module used for the condenser.
- Some steam plants are equipped with multistage condensers.
- the cooling water inlet temperature of each condenser is different, so that the saturated steam pressure generated in the process of returning the steam to the water in each condenser differs among the condensers. For this reason, when two condensers are provided, one condenser serves as a high-pressure condenser, and the other condenser serves as a low-pressure condenser.
- Patent Document 1 discloses a multi-stage pressure condenser having a high-pressure condenser and a low-pressure condenser.
- the low-pressure condenser of this multistage pressure condenser is arranged in the upper space, a low-pressure condensate container into which low-pressure steam flows from the upper part, a pressure partition that divides the inside of the low-pressure condensate container into an upper space and a lower space, and And a heat transfer tube for condensing the low-pressure steam, and a tray disposed in the lower space.
- the low-pressure condenser and the high-pressure condenser are connected by a steam duct that guides a part of the high-pressure steam flowing into the high-pressure condenser to the lower space of the low-pressure condenser.
- a plurality of through holes penetrating in the vertical direction are formed in the pressure partition of the low pressure condenser.
- the water condensed in the upper space flows down to the lower space through the plurality of through holes of the pressure partition. This water temporarily accumulates in the tray, then overflows from the tray, and accumulates at the bottom of the lower space.
- the water passes through a plurality of through holes in the pressure bulkhead and reaches the tray, and further, from the tray to the water pool in the lower space, the high-temperature high-pressure steam from the high-pressure condenser. Exposed to heat.
- the present invention provides a condenser capable of increasing the reheat efficiency of water after condensation by high-temperature steam from the outside in order to further increase the thermal efficiency of the entire steam plant, and a multi-stage pressure condenser provided with the same
- An object of the present invention is to provide a reheat module for use in a condenser.
- a condenser as one aspect according to the invention for achieving the above object is: A container into which steam flows, a pressure partition in which the interior of the container is divided into an upper space and a lower space and a plurality of partition wall through holes are formed, and the steam that flows in are condensed in the upper space of the container A heat transfer tube that is disposed in the lower space of the container, and the steam condenses in the upper space of the container, and the water that flows into the lower space of the container is transferred from the outside of the container to the lower space.
- a reheater that heats with the flowing high-temperature steam, the reheater extending in the vertical direction in the lower space of the container, and a plurality of partition members arranged at intervals from each other, and a plurality of the partition members
- a receiving plate for receiving water flowing down through the partition member, and a weir connected to the outer peripheral edge of the receiving plate and surrounding the receiving plate, the lower ends of the plurality of partition members being more than the upper ends of the weirs It is down.
- the water that has passed through the plurality of partition members temporarily accumulates in an area surrounded by the receiving plate and the weir, then overflows from this area and falls downward.
- the condenser since the lower ends of the plurality of partition members are lower than the upper ends of the weirs, the lower end portions of the plurality of partition members are submerged in the water accumulated in the region surrounded by the receiving plate and the weir. become. For this reason, the high temperature steam hardly flows between the plurality of partition members from below the plurality of partition members. Therefore, in the condenser, the flow velocity in the steam inflow direction perpendicular to the direction in which the plurality of partition members are arranged and the vertical direction is increased in the high-temperature steam passing between the plurality of partition members.
- the contact rate between the high-temperature steam and water is increased, and the flow rate of the high-temperature steam in the steam inflow direction is increased, so that the heat transfer coefficient between the high-temperature steam and water is increased. Therefore, according to the condenser, water can be efficiently heated by the high temperature steam.
- a plurality of receiving plate through holes may be formed in the receiving plate, and a plurality of weir through holes may be formed in the weir.
- the outflow location of water from the region surrounded by the receiving plate and the weir is Since the water is dispersed, the contact rate between the high-pressure steam and the high-pressure steam increases until the water falls and reaches the water reservoir. Therefore, in the said condenser, the heating efficiency of the water by a high pressure steam can be improved more.
- the reheater is disposed on both sides of a group of the plurality of partition members in a direction in which the plurality of partition members are arranged, and is spaced from the partition members. You may have an opposing side plate.
- the reheater includes an upper end support member that supports upper end portions of the plurality of partition members, and a lower end support that supports lower end portions of the plurality of partition members. And a member.
- the upper end support member is formed with an upper engagement portion that is recessed upward from below the lower space of the container and into which each upper end portion of the plurality of partition members enters
- the lower end support member includes A lower engaging portion that is recessed downward from above the lower space of the container and into which the lower end portions of the plurality of partition members enter, and the partition members are elastically compressed in the vertical direction,
- the upper end portion of the partition member enters the upper engagement portion of the upper end support member, the lower end portion of the partition member enters the lower engagement portion of the lower end support member, and is between the upper end support member and the lower end support member. It may be sandwiched and supported.
- the partition member is a wave in which a convex portion protruding in a direction in which the plurality of partition members are arranged and a concave portion recessed in the arrangement direction are repeatedly formed in the vertical direction.
- You may have a board.
- the partition member may include the corrugated plate and a plurality of pocket forming members that open upward and form pockets for collecting water in cooperation with the corrugated plate.
- a plurality of corrugated plate through holes may be formed in the corrugated plate.
- the reheater includes a reheat module, and the reheat module includes a plurality of the partition member, the upper end support member, the lower end support member, and the receiver.
- a plate, the weir, and the interconnecting plate, the upper end support member, and the lower end support member, and a plurality of the partition member, the upper end support member, the lower end support member, the receiving plate, and the You may have a connection member which integrates a weir.
- the installation workability of the reheater can be improved by integrating at least a part of the reheater.
- the reheat module is present in a vertically upper region of the plurality of partition members, and is formed with a plurality of perforated plate through holes penetrating in the vertical direction. You may have a board. In this case, the perforated plate of the reheating module may form part of the pressure partition.
- the reheater may have a plurality of the reheat modules.
- a plurality of reheat modules are prepared in advance, and by combining them appropriately, various sizes of condensers can be easily handled.
- the plurality of reheat modules are adjacent to each other, and the reheater can take water that reaches a position between the plurality of reheat modules. You may have the water guide member guide
- the multi-unit it is possible to reduce the amount of water that passes through a plurality of reheat modules.
- the reheater includes a plurality of the partition members from one side in a direction in which the plurality of partition members are arranged and a steam inflow direction perpendicular to the vertical direction. You may have the steam forced introduction apparatus which forcibly guides the said high temperature steam in between.
- the flow rate of the high temperature steam passing between the plurality of partition members is increased, and the water can be efficiently heated with the high temperature steam.
- the reheater may be arranged on one side of a direction in which the plurality of partition members are arranged and a steam inflow direction perpendicular to the vertical direction with respect to the plurality of partition members.
- the flow rate of the high-temperature steam in a plane that is arranged and aligns the flow direction of the high-temperature steam flowing between the plurality of partition members from the one side with the steam inflow direction and is perpendicular to the steam inflow direction.
- You may have a rectifier which makes distribution uniform.
- water and high-temperature steam can be efficiently exchanged heat evenly across the plurality of partition members.
- a multi-stage pressure condenser as one aspect according to the invention for achieving the above-described object is: Any of the above-mentioned low-pressure condensers, which are the condenser, and saturated steam generated in the process of returning the steam flowing in the low-pressure condenser to water in the process of returning the steam flowing in to the water
- a reheat module as one aspect according to the invention for achieving the above-described object is: In a reheating module that heats water from above with steam from the outside, a plurality of partition members that extend in the vertical direction and are arranged at intervals from each other, and water that has fallen through the plurality of partition members A receiving plate, a weir connected to the outer peripheral edge of the receiving plate and surrounding the receiving plate, an upper end support member that supports each upper end portion of the plurality of partition members, and each lower end portion of the plurality of partition members The lower end support member to be supported, the receiving plate, the upper end support member, and the lower end support member are connected to each other to form a plurality of the partition member, the receiving plate, the weir, the upper end support member, and the lower end support member. And a lower end of the plurality of partition members is lower than an upper end of the weir.
- the contact rate between the high temperature steam and water is increased, and the flow rate of the high temperature steam in the steam inflow direction is increased, so that the heat transfer coefficient between the high temperature steam and water is increased.
- operativity of a reheater can be improved by using the said reheat module.
- the reheat module may include a side plate that is disposed on both sides of the collection of the plurality of partition members in a direction in which the plurality of partition members are arranged and is opposed to the partition members with a space therebetween.
- a perforated plate in which a plurality of perforated plate through-holes are formed so as to cover the vertically upper regions of the plurality of partition members and the upper end support member and penetrate in the vertical direction. You may have.
- the reheat efficiency of water after condensation with high-temperature steam from the outside can be increased.
- FIG. 2 is a cross-sectional view taken along the line II-II in FIG. It is a perspective view of the reheating module of one embodiment concerning the present invention. It is an exploded perspective view of the reheat module of one embodiment concerning the present invention. It is a principal part perspective view of the partition member of one Embodiment concerning this invention. It is principal part sectional drawing of the low pressure condenser including the reheater of the 1st modification which concerns on this invention. It is principal part sectional drawing of the low pressure condenser including the reheater of the 2nd modification which concerns on this invention.
- the multistage pressure condenser of this embodiment is a high-pressure condenser 10, a low-pressure condenser 20, and high-temperature and high-pressure saturated steam in the high-pressure condenser 10.
- a steam duct 17 that leads to the inside, and a condensate flow pipe 18 that guides water accumulated at the bottom of the low-pressure condenser 20 to the high-pressure condenser 10 are provided.
- This multistage condenser is part of the steam plant.
- the steam plant is not only shown in this multistage pressure condenser, but also a boiler that generates steam and the steam from the boiler, and this steam is driven by the high pressure condenser 10 and the low pressure of the multistage pressure condenser.
- a steam turbine exhausted to the condenser 20, and a condensate pump and a feed water pump for sending water from the multistage pressure condenser to the boiler are provided.
- the high pressure condenser 10 includes a high pressure condensate container 11 into which steam from the steam turbine flows, and a heat transfer tube 16 disposed in the high pressure condensate container 11. Cooling water such as seawater is supplied to the heat transfer tube 16. The heat transfer tube 16 exchanges heat between the cooling water and the high-pressure steam to return the high-pressure steam to water. This water accumulates at the bottom of the high-pressure condensate container 11 and flows out from the condensate discharge pipe 19 formed at the bottom of the high-pressure condensate container 11. A condensate pump is connected to the end of the condensate discharge pipe 19.
- the low-pressure condenser 20 is disposed in the upper space Sa, a low-pressure condensate container 21 into which steam from the steam turbine flows, a pressure partition wall 22 that partitions the low-pressure condensate container 21 into an upper space Sa and a lower space Sb.
- the heat transfer tube 26 and the reheater 30 disposed in the lower space Sb are provided. Cooling water is supplied to the heat transfer tube 26.
- the heat transfer tube 26 exchanges heat between the cooling water and the low-pressure steam to return the low-pressure steam to water.
- the temperature of the cooling water supplied to the heat transfer pipe 26 of the low pressure condenser 20 is lower than the temperature of the cooling water supplied to the heat transfer pipe 16 of the high pressure condenser 10.
- the pressure of the saturated steam generated in the process in which the steam flowing into the low-pressure condenser 20 returns to the water in the low-pressure condenser 20 is the same as the steam flowing into the high-pressure condenser 10 in the high-pressure condenser 10. It is lower than the pressure of saturated steam generated in the process of returning to
- the pressure partition wall 22 includes a porous plate 23 positioned in the center region of the low-pressure condensate vessel 21 in plan view, and a cylindrical partition side plate 24 that is formed along the outer edge of the porous plate 23 and extends upward from the outer edge of the porous plate 23.
- a condensate receiving plate 25 extending from the upper end of the partition side plate 24 to the outer peripheral side.
- the perforated plate 23 is formed with a plurality of through holes 27 (hereinafter referred to as partition wall through holes 27) penetrating in the vertical direction. Further, the condensate receiving plate 25 extends from the upper end of the partition side plate 24 to the inner peripheral surface of the low-pressure condensate container 21 in the horizontal direction.
- the lower space Sb side of the low-pressure condensate container 21 and the high-pressure condensate container 11 are connected by the steam duct 17 described above. For this reason, the inside of the high-pressure condensate container 11 and the lower space Sb of the low-pressure condensate container 21 communicate with each other through this steam duct 17.
- the position on the bottom side of the high pressure condensate container 11 and the position on the bottom side of the low pressure condensate container 21 are connected by a condensate circulation pipe 18. For this reason, the condensate circulation pipe 18 communicates with the inside of the high-pressure condensate container 11 and the lower space Sb of the low-pressure condensate container 21.
- the reheater 30 includes a reheat module 40 disposed below the perforated plate 23 in the lower space Sb, a rectifier 31 disposed on the steam duct 17 side of the reheat module 40, and the reheat module 40. And a steam forced introduction device 32 disposed on the opposite side of the steam duct 17.
- the vertical direction is the Z direction
- the direction in which the rectifier 31, the reheat module 40, and the forced steam introduction device 32 are arranged is the Y direction, the Z direction, and the Y direction.
- the direction perpendicular to X is the X direction.
- the rectifier 31 side is the steam upstream side with the reheat module 40 as a reference
- the steam forced introduction device 32 side is the steam downstream side with the reheat module 40 as a reference.
- the rectifier 31 is formed by arranging a plurality of plates extending in the Y direction in a lattice shape.
- the rectifier 31 rectifies the steam from the steam duct 17 disposed on the upstream side of the steam with respect to the rectifier 31 and guides it to the reheat module 40 disposed on the downstream side of the steam with respect to the rectifier 31. Is.
- the forced steam introduction device 32 is a device for forcibly guiding the high pressure steam in the high pressure condensate vessel 11 to the reheating module 40.
- the forced steam introduction device 32 includes a buffer case 33 that covers the end of the reheat module 40 in the Y direction, and a vent pipe 34 that communicates the inside of the buffer case 33 with the upper space Sa.
- the vent pipe 34 passes through the condensate receiving plate 25 of the pressure partition wall 22.
- the reheat module 40 includes a plurality of partition members 41 that extend in the Z direction and the Y direction and are arranged at intervals in the X direction, and fall through the plurality of partition members 41.
- Receiving plate 56 for receiving water, upper end support member 48 for supporting the upper end portions of the plurality of partition members 41, lower end support member 49 for supporting the lower end portions of the plurality of partition members 41, and a frame surrounding them. 50.
- the partition member 41 has a corrugated plate 42 obtained by processing one rectangular plate so that a convex portion protruding in the X direction and a concave portion recessed in the X direction are repeated in the Z direction.
- the corrugated plate 42 constituting the partition member 41 is made of, for example, SUS304 having a thickness of 3 mm.
- the plurality of partition members 41 are arranged such that the positions of the upper end, the lower end, the convex portion, and the concave portion coincide with each other in the Z direction and are spaced from each other in the X direction. For this reason, the some partition member 41 has comprised the rectangular parallelepiped shape as a whole.
- the upper end support member 48 extends in the X direction in which a plurality of partition members 41 are arranged, as shown in FIGS.
- the upper end support member 48 is formed with an upper engaging portion 48a that is recessed from the lower side to the upper side and into which the upper end portions of the plurality of partition members 41 enter.
- the lower end support member 49 also extends in the X direction in which the plurality of partition members 41 are arranged.
- the lower end support member 49 is formed with a lower engagement portion 49a that is recessed downward from above and into which each lower end portion of the plurality of partition members 41 enters.
- the frame 50 has twelve connecting members 51 arranged along portions corresponding to the sides of the rectangular parallelepiped formed by the plurality of partition members 41.
- the connecting member 51 is made of angle steel. The end portions of each connecting member 51 are joined.
- the upper end support member 48 is positioned on the upper side and faces each other in the X direction and is passed between the two connecting members 51. It is fixed.
- the lower end support member 49 is positioned below the twelve connecting members 51 constituting the frame 50, faces each other in the X direction, and is passed between the two connecting members 51. It is fixed to the member 51.
- the upper end portion of the partition member 41 enters the upper engagement portion 48 a of the upper end support member 48, and the lower end portion of the partition member 41 is the lower end support member 49.
- the lower engaging portion 49a enters and is supported by being sandwiched between the upper end support member 48 and the lower end support member 49.
- the receiving plate 56 has a rectangular shape, and among the twelve connecting members 51 constituting the frame 50, these four connecting members 51 are closed so as to close the rectangular openings formed by the lower four connecting members 51. It is joined to the connecting member 51.
- the angle type steel which is the four connecting members 51 one of the two pieces extends in the horizontal direction, and the other piece extends upward from the end of the one piece.
- each piece extending upward forms a weir 57 connected to the outer peripheral edge of the receiving plate 56 and surrounding the receiving plate 56.
- the tray 55 is formed by the receiving plate 56 and the weir 57 that is connected to the outer peripheral edge of the receiving plate 56 and surrounds the receiving plate 56.
- the receiving plate 56, the upper end support member 48, and the lower end support member 49 are connected to each other by a plurality of connecting members 51 constituting the frame 50.
- the plurality of partition members 41, the receiving plate 56, the weir 57, the upper end support member 48, and the lower end support member 49 are integrated.
- the lower ends of the plurality of partition members 41 are located below the upper ends of the weirs 57. For this reason, when the water overflows from the tray 55, the lower ends of the plurality of partition members 41 are surely submerged in the water accumulated in the tray 55.
- the reheat module 40 described above is arranged in a state of being vertically floated in the lower space Sb at a position below the perforated plate 23. Therefore, the reheating module 40 is supported by, for example, a leg member or is held by a suspension member fixed to the pressure partition wall 22.
- the steam exhausted from the steam turbine flows into the high-pressure condensate container 11.
- the steam is condensed by being cooled by exchanging heat with the cooling water flowing in the heat transfer pipe 16 disposed in the high pressure condensate vessel 11 and returning to water (hereinafter referred to as high pressure side condensate).
- the high-pressure side condensate temporarily accumulates at the bottom of the high-pressure condensate container 11 and is discharged to the outside through the condensate discharge pipe 19.
- the high-pressure side condensate is returned to the boiler by the condensate pump and the feed water pump.
- the steam exhausted from the steam turbine also flows into the upper space Sa of the low-pressure condensate vessel 21.
- This steam is condensed by being cooled by exchanging heat with water flowing in the heat transfer tubes 26 arranged in the upper space Sa, and returns to water (hereinafter referred to as low-pressure side condensate).
- the temperature of the cooling water supplied to the heat transfer pipe 26 of the low-pressure condenser 20 is lower than the temperature of the cooling water supplied to the heat transfer pipe 16 of the high-pressure condenser 10.
- the pressure of the saturated steam generated in the process in which the steam that has flowed into the upper space Sa of the low-pressure condenser 20 returns to the water in the upper space Sa is the same as that of the steam that has flowed into the high-pressure condensate container 11. It is lower than the pressure of saturated steam generated in the process of returning to water. Accordingly, the pressure in the upper space Sa of the low-pressure condenser 20 is lower than the pressure in the high-pressure condenser 11.
- the low-pressure side condensate temporarily accumulates on the pressure partition 22 in the upper space Sa.
- the low-pressure side condensate accumulated on the pressure partition wall 22 passes through the plurality of partition wall through holes 27 formed in the porous plate 23 in the pressure partition wall 22 and flows down into the lower space Sb.
- the low-pressure side condensate that has passed through the partition wall through-holes 27 of the perforated plate 23 is made into a thin film while flowing down along the surface of the corrugated plate 42 that forms the partition member 41 of the reheat module 40.
- the surface area is expanded.
- the low-pressure condensate flowing down along the corrugated plate 42 temporarily accumulates in a tray 55 disposed below the corrugated plate 42.
- the low-pressure side condensate overflows from the tray 55 and temporarily accumulates at the bottom of the low-pressure condensate container 21.
- FIG. 5 the low-pressure side condensate that has passed through the partition wall through-holes 27 of the perforated plate 23 is made into a thin film while flowing down along the surface of the corrugated plate 42 that forms the partition member 41 of the reheat module 40.
- the surface area is expanded.
- the low-pressure condensate flowing down along the corrugated plate 42 temporarily accumulates in a tray 55 disposed below the corrugated plate 42.
- the low-pressure condensate accumulated at the bottom of the low-pressure condensate vessel 21 flows into the bottom of the high-pressure condensate vessel 11 through the condensate circulation pipe 18, and is condensed along with the high-pressure condensate. Returned to boiler by pump and feed pump.
- the pressure in the upper space Sa of the low-pressure condensate vessel 21 is lower than the pressure in the high-pressure condensate vessel 11.
- the pressure in the lower space Sb of the low pressure condensate vessel 21 into which the low pressure side condensate flows is higher than the pressure in the upper space Sa and lower than the pressure in the high pressure condensate vessel 11. That is, the pressure in the high pressure condensate vessel 11 is the highest among the pressure in the high pressure condensate vessel 11, the pressure in the lower space Sb of the low pressure condensate vessel 21, and the pressure in the upper space Sa of the low pressure condensate vessel 21. Furthermore, the pressure in the lower space Sb of the low-pressure condensate vessel 21 is high, and the pressure in the upper space Sa of the low-pressure condensate vessel 21 is the lowest.
- the high-pressure steam that has flowed from the high-pressure condensate container 11 into the lower space Sb of the low-pressure condensate container 21 is forcibly introduced into the reheat module 40.
- the flow rate of the high-pressure steam introduced into the reheat module 40 is larger than when the steam forced introduction device 32 is not provided.
- the high-pressure steam passes through the rectifier 31 before being introduced into the reheating module 40.
- the flow direction of the high-pressure steam is adjusted in the Y direction (steam inflow direction), and the flow velocity in the plane perpendicular to the Y direction, that is, the ZX plane can be made uniform.
- the high-pressure steam rectified by the rectifier 31 passes between the plurality of partition members 41 of the reheat module 40 and then flows into the upper space Sa of the low-pressure condensate vessel 21 through the steam forced introduction device 32.
- the low-pressure side condensate flows down on the surface of the corrugated plate 42 that is the partition member 41.
- This low-pressure side condensate is thinned in the process of flowing down along the surface of the corrugated plate 42 and its surface area is enlarged, so that the contact rate with high-pressure steam per unit volume is high.
- the flow rate of the high-pressure steam introduced into the reheating module 40 is increased as described above, the flow rate of the high-pressure steam passing through the plurality of partition members 41 is increased.
- the low-pressure side condensate overflowed from the tray 55 is heated by being exposed to high-temperature high-pressure steam until it reaches the water reservoir portion of the lower space Sb. Furthermore, when the low-pressure side condensate overflowed from the tray 55 falls into the low-pressure side condensate accumulated at the bottom of the lower space Sb, a circulation flow is generated in the low-pressure side condensate accumulated at the bottom of the lower space Sb. The contact rate between the low-pressure side condensate and the high-temperature high-pressure steam passing therethrough is increased, and heating is further performed.
- the heat transfer coefficient between the low-pressure side condensate and the high-temperature high-pressure steam increases, and the low-pressure side condensate is heated extremely efficiently by the high-temperature high-pressure steam.
- the heated low-pressure side condensate flows into the bottom of the high-pressure condensate vessel 11 through the condensate circulation pipe 18 as described above, and together with the high-pressure side condensate, the boiler is formed by the condensate pump and the feed water pump. Returned to Therefore, in this embodiment, since hot water can be supplied to a boiler, the thermal efficiency of a steam plant can be improved.
- the reheat module 40 a of the reheater 30 a includes a side plate 61 provided on the side surface of the frame 50 that covers the plurality of partition members 41, and a tray 55 a provided below the frame 50. It is.
- the side plate 61 closes a rectangular opening formed by four connecting members 51 on one side in the X direction, and the other side plate 61 on the other side in the X direction.
- Each side plate 61 is joined to the connecting member 51.
- a plurality of through holes 58 are formed in the two connecting members 51 arranged on the lower side and opposed in the X direction. More specifically, a through hole 58 penetrating in the X direction is formed in a piece extending above the angle type steel constituting the connecting member 51.
- the side plate 61 is formed with a through hole 62 that penetrates in the X direction and communicates with the through hole 58 of the connecting member 51.
- the tray 55a is configured to include a receiving plate 56a and a weir 57a that is connected to the outer peripheral edge of the receiving plate 56a and surrounds the receiving plate 56a, like the tray 55 of the above embodiment.
- the tray 55a of the present modified example has a receiving plate 56a disposed below the frame 50 and a weir 57a disposed outside the frame 50 in the X direction and the Y direction. ing.
- the lower ends of the plurality of partition members 41 are located below the upper ends of the weirs 57a.
- high-pressure steam from the X direction can approach the partition members 41 located at both ends in the X direction among the plurality of partition members 41 arranged in the X direction.
- the flow rate in the steam inflow direction (Y direction) of the high-pressure steam with respect to the partition members 41 located at both ends in the X direction is lower than the flow rate in the steam inflow direction of the high-pressure steam between the plurality of partition members 41. Therefore, in this modification, the flow rate in the steam inflow direction of the high-pressure steam with respect to the partition members 41 located at both ends in the X direction is equal to the flow rate in the steam inflow direction of the high-pressure steam between the plurality of partition members 41.
- a side plate 61 is provided on the frame 50 to suppress the approach of high-pressure steam from the X direction.
- the low-pressure side condensate accumulated in the tray 55a cannot flow out from the X direction side where the side plate 61 is provided, but flows out exclusively from the Y direction side.
- the contact rate with the high-pressure steam decreases until the low-pressure side condensate reaches the pooled portion of the lower space Sb.
- the distribution of the circulation flow formed when the low-pressure side condensate falls into the low-pressure side condensate collected at the bottom of the lower space Sb is unevenly distributed, the low-pressure side condensate accumulated at the bottom of the lower space Sb is distributed.
- the contact rate between water and the high-temperature high-pressure steam passing above the water also decreases. Therefore, the efficiency with which the low-pressure condensate is heated by the high-pressure steam decreases.
- the reheat module 40b of the reheater 30b of this modification is provided with a porous plate 63 on the top of the reheat module 40 of the above embodiment.
- the perforated plate 63 is formed with a plurality of through holes 64 (perforated plate through holes 64) penetrating in the vertical direction (Z direction). This perforated plate 63 is joined to the upper part of the frame 50 of the reheat module 40b of this modification.
- the present modification is provided with the porous plate 63 above the reheating module 40 of the above embodiment, but the porous plate 63 is provided above the reheating module 40a of the first modification. It may be provided.
- the reheat module 40c of the reheater 30c of this modification is provided with a porous plate 63 on the top of the reheat module 40a of the first modification. Furthermore, the reheater 30c according to the present modification is configured such that the function of the side plate 61 of the reheat module 40a according to the first modification is performed by the partition side plate 24c of the pressure partition 22c in the low-pressure condenser 20.
- the partition side plate 24c of the pressure partition wall 22c extends to the lower end of the frame 50 along the frame 50 of the reheat module 40c.
- a flange portion 65 is formed on the outer peripheral edge thereof so as to face the partition side plate 24c.
- the perforated plate 63 is joined to the frame 50 of the reheat module 40c, and the flange portion 65 of the perforated plate 63 is joined to the partition side plate 24c in the installation process of the reheat module 40c, so that the low pressure condenser It forms a part of the pressure partition 22c.
- high-pressure steam does not flow from above, below, or from the X direction of the plurality of partition members 41, so that the high pressure in the steam inflow direction (Y direction) between the plurality of partition members 41.
- the flow rate of the steam is higher than that in the above embodiment and the above-described modifications, and the heating efficiency of the low-pressure side condensate by the high-pressure steam can be further increased.
- the reheater 30d of the present modification includes a plurality of reheat modules 40d. Further, the reheat module 40d of the present modification is provided with a porous plate 63 on the upper portion of the frame 50 in the reheat module 40d. Each porous plate 63 of the plurality of reheating modules 40d is joined to the partition side plate 24d of the pressure partition wall 22d as in the third modification. Therefore, each porous plate 63 of the plurality of reheating modules 40d forms a part of the pressure partition 22d of the low-pressure condenser as in the third modification.
- the plurality of reheat modules 40d are arranged in the Y direction. Of the plurality of reheat modules 40d, two reheat modules 40d adjacent in the Y direction are connected to each other by a connector 66 such as a bolt. Further, the reheater 30d of this modification has a water guide member 67 that guides the low-pressure side condensate that has reached between two adjacent reheat modules 40d onto the partition member 41 of one reheat module 40d. ing. This water guide member 67 is joined to the end portion in the Y direction of the perforated plate 63 in the installation process of the plurality of reheating modules 40d, or the plurality of connecting members 51 constituting the frame 50 of the reheating module 40d. It is joined to the connecting member 51 located at the end in the Y direction.
- the rectifier 31 is provided on the steam upstream side of the reheat module 40d on the most upstream side of the steam among the plurality of reheat modules 40d. Further, among the plurality of reheat modules 40d, a steam forced introduction device 32 is provided on the steam downstream side of the reheat module 40d on the most downstream side of the steam.
- the plurality of reheat modules 40d are arranged in the Y direction. However, even if the plurality of reheat modules are arranged in the X direction, the plurality of reheat modules are arranged in the X direction and the Y direction. Good.
- the reheat module 40e of the reheater 30e of this modification is formed by forming a plurality of through holes 58a (hereinafter referred to as dam through holes 58a) in the weir 57 of the reheat module 40 in the above embodiment.
- dam through holes 58a the number of the dam through holes 58a is such that the total flow rate of the low pressure side condensate flowing out from the plurality of dam through holes 58a is smaller than the minimum flow rate of the low pressure side condensate flowing into the lower space Sb from the upper space Sa.
- the opening area of the dam penetration hole 58a is defined.
- the tray 55 is filled with the low-pressure side condensate as long as the low-pressure side condensate flows from the upper space Sa to the lower space Sb.
- the outflow portions of the low-pressure side condensate flowing out from the tray 55 are dispersed, so that the low-pressure side condensate is formed in the lower space Sb.
- the contact rate with the high-pressure steam becomes high until reaching the puddle. Therefore, in this modification, the heating efficiency of the low pressure side condensate by the high pressure steam can be further increased.
- the reheat module 40f of the reheater 30f of the present modification is obtained by forming a plurality of through holes 59 (hereinafter referred to as the receiving plate through holes 59) in the receiving plate 56 of the reheating module 40 in the above embodiment.
- the total flow rate of the low-pressure side condensate flowing out from the plurality of receiving plate through holes 59 is the minimum of the low-pressure side condensate flowing into the lower space Sb from the upper space Sa.
- the number of receiving plate through holes 59 and the opening area of the receiving plate through holes 59 are determined so as to be smaller than the flow rate.
- the tray 55 is filled with the low pressure side condensate as long as the low pressure side condensate flows from the upper space Sa to the lower space Sb. .
- the contact ratio between the low pressure side condensate and the high pressure steam increases until the low pressure side condensate reaches the water reservoir portion of the lower space Sb. Therefore, also in this modification, the heating efficiency of the low pressure side condensate by the high pressure steam can be further increased.
- the fifth modification and the sixth modification are examples in which the reheating module 40 in the above embodiment is modified, but the reheating modules in the first to fourth modifications described above are similarly modified. Also good.
- All of the plurality of connecting members 51 forming the frame in the reheating module of the above-described embodiment and each modified example are angle steel.
- the connecting member may not be an angle die steel, may be another die steel, and may be a bar screw 71 as shown in FIG.
- the plurality of connecting members forming the frame may not all be members of the same standard, and as shown in the figure, members of various standards such as a bar screw 71, a flat plate 72, and an angle die steel 73 are mixed. Also good.
- the partition member 41a of this modification is formed by forming a plurality of through holes 43 (hereinafter referred to as corrugated plate through holes 43) in the corrugated plate 42 forming the partition member 41 in the above embodiment.
- the low pressure side condensate flows down along the surface of the corrugated plate 42 and also drops from the corrugated plate through holes 43. For this reason, dispersion of the low-pressure side condensate is achieved, and the contact rate between the low-pressure side condensate and the high-pressure steam can be increased. Therefore, in this modification, the heating efficiency of the low pressure side condensate by the high pressure steam can be further increased.
- the partition member 41b of the present modification includes a corrugated plate 42 that forms the partition member 41 in the above-described embodiment, and a plurality of pockets that form a pocket 45 that cooperates with the corrugated plate 42 to temporarily store low-pressure side condensate. Forming member 44.
- the low-pressure side condensate flows down along the surface of the corrugated plate 42.
- a part of the low-pressure side condensate is temporarily stored in the pocket 45, overflows from the pocket 45, and flows down along the surface of the corrugated plate 42 again.
- the low-pressure side condensate flows into the pocket 45, the low-pressure side condensate accumulated in the pocket 45 is agitated. For this reason, the contact ratio between the low-pressure side condensate and the high-pressure steam accumulated in the pocket 45 is increased. Therefore, also in this modification, the heating efficiency of the low pressure side condensate by the high pressure steam can be further increased.
- a plurality of pocket forming members 44 are provided on the corrugated sheet 42 that forms the partition member 41 in the above-described embodiment, but the corrugated sheet 42 that forms the partition member 41a in the first modification is provided.
- a plurality of pocket members may be provided.
- the partition member does not have to be formed only by the corrugated plate 42, as long as the surface area of the low-pressure side condensate flowing from the upper space Sa to the lower space Sb can be increased. Anything may be used, for example, a simple flat plate may be inclined.
- the forced steam introduction device 32a of the present modification includes a buffer case 33 that covers the downstream end of the reheating module 40, a vent pipe 34a that connects the inside of the buffer case 33 and the upper space Sa, and a gas that passes through the vent pipe 34a. And a flow rate adjusting valve 35 for adjusting the flow rate.
- the vent pipe 34a penetrates the side wall that defines the lower space Sb of the low-pressure condensate container 21, and once exits the low-pressure condensate container 21. After that, it penetrates the side wall that defines the upper space Sa of the low-pressure condensate container 21.
- the flow rate adjusting valve 35 is provided in a portion existing outside the low-pressure condensate vessel 21 by the vent pipe 34a.
- the flow rate of the high-pressure steam passing between the plurality of partition members 41 can be adjusted by changing the valve opening degree of the flow rate control valve 35.
- the flow rate adjustment valve 35 is provided to adjust the flow rate of the high-pressure steam, but an orifice may be used instead.
- a fan may be used.
- the fan may be provided on the upstream side or the downstream side of the reheating module 40 or may be provided in the steam duct 17.
- the pressure partition 22 which partitions off the low-pressure condensate container 21 into the upper space Sa and the lower space Sb is a two-stage structure divided into two upper and lower stages.
- this pressure partition may be flat and may have a single stage configuration.
- the multi-stage pressure condenser of the above embodiment includes two condensers, a high-pressure condenser 10 and a low-pressure condenser 20, but three or more condensers having different saturated steam pressures. May be provided.
- the second condenser with the next highest saturated steam pressure becomes the low pressure condenser with respect to the first condenser with the highest saturated steam pressure.
- the third condenser with the next highest saturated steam pressure becomes the low-pressure condenser with respect to the second condenser.
- the reheat efficiency of water after condensation with high-temperature steam from the outside can be increased.
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Abstract
Description
蒸気が流入する容器と、前記容器内を上部空間と下部空間とに分け、複数の隔壁貫通孔が形成されている圧力隔壁と、前記容器の前記上部空間に配置され、流入した前記蒸気を凝縮させる伝熱管と、前記容器の前記下部空間に配置され、前記容器の前記上部空間で前記蒸気が凝縮して、前記容器の前記下部空間に流入した水を、前記容器の外部から前記下部空間に流入した高温蒸気で加熱する再熱器と、を備え、前記再熱器は、前記容器の前記下部空間内で上下方向に延びて、互いに間隔をあけて並ぶ複数の仕切部材と、複数の前記仕切部材を経て流下した水を受ける受け板と、前記受け板の外周縁に接続されて前記受け板を囲む堰と、を有し、前記複数の仕切部材の下端は、前記堰の上端よりも下方である。
以上のいずれかの前記復水器である低圧復水器と、流入した蒸気を水に戻す過程で生じる飽和蒸気の圧力が前記低圧復水器で流入した蒸気を水に戻す過程で生じる飽和蒸気の圧力よりも高い高圧復水器と、前記高圧復水器に流入した前記蒸気の一部を前記低圧復水器の前記下部空間に流入させる蒸気ダクトと、を備えていることを特徴とする。
上方からの水を、外部からの蒸気で加熱する再熱モジュールにおいて、上下方向に延びて、互いに間隔をあけて並んでいる複数の仕切部材と、複数の前記仕切部材を経て落ちてきた水を受ける受け板と、前記受け板の外周縁に接続されて前記受け板を囲む堰と、複数の前記仕切部材の各上端部を支持する上端支持部材と、複数の前記仕切部材の各下端部を支持する下端支持部材と、前記受け板と前記上端支持部材と前記下端支持部材とを相互に接続して、複数の前記仕切部材と前記受け板と前記堰と前記上端支持部材と前記下端支持部材とを一体化する連結部材と、を有し、前記複数の仕切部材の下端は、前記堰の上端よりも下方である、ことを特徴とする。
まず、本発明に係る多段圧復水器の実施形態について、図1~図5を参照して説明する。
高圧復水容器11内には、蒸気タービンから排気された蒸気が流入する。この蒸気は、高圧復水容器11内に配置されている伝熱管16内を流れる冷却水と熱交換して冷却されることで凝縮し、水(以下、高圧側復水と称する)に戻る。この高圧側復水は、高圧復水容器11の底に一時的に溜まり、復水排出管19を介して外部へ排出される。この高圧側復水は、前述したように、復水ポンプ及び給水ポンプによりボイラーに戻される。
次に、再熱器の第一変形例について図6を参照して説明する。
次に、再熱器の第二変形例について図7を参照して説明する。
次に、再熱器の第三変形例について図8を参照して説明する。
次に、再熱器の第四変形例について図9及び図10を参照して説明する。
次に、再熱器の第五変形例について図11を参照して説明する。
次に、再熱器の第六変形例について図12を参照して説明する。
次に、再熱器の第七変形例について図13を参照して説明する。
次に、仕切部材の第一変形例について図14を参照して説明する。
次に、仕切部材の第二変形例について図15を参照して説明する。
次に、蒸気強制導入装置の変形例について図16を参照して説明する。
上記実施形態では、低圧復水容器21を上部空間Saと下部空間Sbとに仕切る圧力隔壁22が、上下二段に分かれている二段構成である。しかしながら、この圧力隔壁は、平板状で、一段構成であってもよい。
Claims (20)
- 蒸気が流入する容器と、
前記容器内を上部空間と下部空間とに分け、複数の隔壁貫通孔が形成されている圧力隔壁と、
前記容器の前記上部空間に配置され、流入した前記蒸気を凝縮させる伝熱管と、
前記容器の前記下部空間に配置され、前記容器の前記上部空間で前記蒸気が凝縮して、前記容器の前記下部空間に流入した水を、前記容器の外部から前記下部空間に流入した高温蒸気で加熱する再熱器と、
を備え、
前記再熱器は、前記容器の前記下部空間内で上下方向に延びて、互いに間隔をあけて並ぶ複数の仕切部材と、複数の前記仕切部材を経て流下した水を受ける受け板と、前記受け板の外周縁に接続されて前記受け板を囲む堰と、を有し、
前記複数の仕切部材の下端は、前記堰の上端よりも下方である、
復水器。 - 請求項1に記載の復水器において、
前記受け板には、複数の受け板貫通孔が形成されている、
復水器。 - 請求項1又は2に記載の復水器において、
前記堰には、複数の堰貫通孔が形成されている、
復水器。 - 請求項1から3のいずれか一項に記載の復水器において、
前記再熱器は、複数の前記仕切部材が並ぶ方向における、複数の前記仕切部材の集まりの両側に配され、前記仕切部材と間隔をあけて対向する側板を有する、
復水器。 - 請求項1から4のいずれか一項に記載の復水器において、
前記再熱器は、複数の前記仕切部材の各上端部を支持する上端支持部材と、複数の前記仕切部材の各下端部を支持する下端支持部材と、を有する、
復水器。 - 請求項5に記載の復水器において、
前記上端支持部材には、前記容器の前記下部空間の下方から上方に向かって凹み、複数の前記仕切部材の各上端部が入り込む上部係合部が形成され、
前記下端支持部材には、前記容器の前記下部空間の上方から下方に向かって凹み、複数の前記仕切部材の前記下端部が入り込む下部係合部が形成され、
前記仕切部材は、上下方向に弾性圧縮した状態で、前記仕切部材の上端部が前記上端支持部材の上部係合部に入り込み、前記仕切部材の下端部が前記下端支持部材の下部係合部に入り込み、前記上端支持部材と前記下端支持部材との間に挟まれて、支持されている、
復水器。 - 請求項1から6のいずれか一項に記載の復水器において、
前記仕切部材は、複数の前記仕切部材が並ぶ方向に突出する凸部と前記並び方向に凹む凹部とが、上下方向に繰り返し形成されている波板を有する、
復水器。 - 請求項7に記載の復水器において、
前記仕切部材は、前記波板と、上方に向かって開口し前記波板と協働して水を溜めるポケットを形成する複数のポケット形成部材と、を有する、
復水器。 - 請求項7又は8に記載の復水器において、
前記波板には、複数の波板貫通孔が形成されている、
復水器。 - 請求項5又は6に記載の復水器において、
前記再熱器は、再熱モジュールを有し、
前記再熱モジュールは、複数の前記仕切部材と前記上端支持部材と前記下端支持部材と前記受け板と前記堰とを有すると共に、前記受け板と前記上端支持部材と前記下端支持部材とを相互に接続し、複数の前記仕切部材と前記上端支持部材と前記下端支持部材と前記受け板と前記堰とを一体化する連結部材を有する、
復水器。 - 請求項10に記載の復水器において、
前記再熱モジュールは、複数の前記仕切部材の鉛直上方の領域に存在し、上下方向に貫通する複数の多孔板貫通孔が形成されている多孔板を有する、
復水器。 - 請求項11に記載の復水器において、
前記再熱モジュールの前記多孔板は、前記圧力隔壁の一部を成す、
復水器。 - 請求項10から12のいずれか一項に記載の復水器において、
前記再熱器は、複数の前記再熱モジュールを有する、
復水器。 - 請求項13に記載の復水器において、
複数の前記再熱モジュールは、相互に隣接し、
前記再熱器は、複数の前記再熱モジュールの間の位置に至った水をいずれかの再熱モジュールの前記仕切部材上に導く水ガイド部材を有する、
復水器。 - 請求項1から14のいずれか一項に記載の復水器において、
前記再熱器は、複数の前記仕切部材が並ぶ方向及び上下方向に垂直な蒸気流入方向の一方側から、複数の前記仕切部材の間に前記高温蒸気を強制的に導く蒸気強制導入装置を有する、
復水器。 - 請求項1から15のいずれか一項に記載の復水器において、
前記再熱器は、複数の前記仕切部材を基準にして、複数の前記仕切部材が並ぶ方向及び上下方向に垂直な蒸気流入方向の一方側に配置され、前記一方側から複数の前記仕切部材の間に流入する前記高温蒸気の流れ方向を前記蒸気流入方向に揃え、且つ前記蒸気流入方向に対して垂直な面内での前記高温蒸気の流速分布を均一化する整流器を有する、
復水器。 - 請求項1から16のいずれか一項に記載の復水器である低圧復水器と、
流入した蒸気を水に戻す過程で生じる飽和蒸気の圧力が前記低圧復水器で流入した蒸気を水に戻す過程で生じる飽和蒸気の圧力よりも高い高圧復水器と、
前記高圧復水器に流入した前記蒸気の一部を前記低圧復水器の前記下部空間に流入させる蒸気ダクトと、
を備えている多段圧復水器。 - 上方からの水を、外部からの蒸気で加熱する再熱モジュールにおいて、
上下方向に延びて、互いに間隔をあけて並んでいる複数の仕切部材と、
複数の前記仕切部材を経て落ちてきた水を受ける受け板と、
前記受け板の外周縁に接続されて前記受け板を囲む堰と、
複数の前記仕切部材の各上端部を支持する上端支持部材と、
複数の前記仕切部材の各下端部を支持する下端支持部材と、
前記受け板と前記上端支持部材と前記下端支持部材とを相互に接続して、複数の前記仕切部材と前記受け板と前記堰と前記上端支持部材と前記下端支持部材とを一体化する連結部材と、
を有し、
前記複数の仕切部材の下端は、前記堰の上端よりも下方である、
再熱モジュール。 - 請求項18に記載の再熱モジュールにおいて、
複数の前記仕切部材が並ぶ方向における、複数の前記仕切部材の集まりの両側に配され、前記仕切部材と間隔をあけて対向する側板を有する、
再熱モジュール。 - 請求項18又は19に記載の再熱モジュールにおいて、
複数の前記仕切部材及び前記上端支持部材の鉛直上方の領域を覆い、鉛直方向に貫通している複数の多孔板貫通孔が形成されている多孔板を有する、
再熱モジュール。
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EP14751741.1A EP2957847B1 (en) | 2013-02-13 | 2014-02-13 | Condenser, multistage pressure condenser provided therewith, and reheating module used in condenser |
US14/760,098 US9638469B2 (en) | 2013-02-13 | 2014-02-13 | Condenser, multistage pressure condenser provided therewith, and reheating module used in condenser |
CN201480004413.5A CN104937360B (zh) | 2013-02-13 | 2014-02-13 | 冷凝器、具备冷凝器的多级压力冷凝器、使用于冷凝器的再热模块 |
KR1020157018051A KR101713467B1 (ko) | 2013-02-13 | 2014-02-13 | 복수기, 이를 구비하고 있는 다단압 복수기, 복수기에 이용하는 재열모듈 |
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PCT/JP2014/053339 WO2014126154A1 (ja) | 2013-02-13 | 2014-02-13 | 復水器、これを備えている多段圧復水器、復水器に用いる再熱モジュール |
Country Status (6)
Country | Link |
---|---|
US (1) | US9638469B2 (ja) |
EP (1) | EP2957847B1 (ja) |
JP (1) | JP5936562B2 (ja) |
KR (1) | KR101713467B1 (ja) |
CN (1) | CN104937360B (ja) |
WO (1) | WO2014126154A1 (ja) |
Citations (5)
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US3599943A (en) * | 1968-04-04 | 1971-08-17 | Carl Georg Munters | Liquid and gas contact apparatus |
JPS6149230U (ja) * | 1984-09-03 | 1986-04-02 | ||
JP3706571B2 (ja) | 2001-11-13 | 2005-10-12 | 三菱重工業株式会社 | 多段圧復水器 |
JP2011247454A (ja) * | 2010-05-24 | 2011-12-08 | Taikisha Ltd | 空気浄化加湿装置 |
WO2012117597A1 (ja) * | 2011-02-28 | 2012-09-07 | 三菱重工業株式会社 | 多段圧復水器およびこれを備えた蒸気タービンプラント |
Family Cites Families (14)
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US3575392A (en) * | 1968-04-29 | 1971-04-20 | Ingersoll Rand Co | Direct contact condenser |
JPS4736543Y1 (ja) | 1969-04-16 | 1972-11-06 | ||
US3911067A (en) * | 1973-10-09 | 1975-10-07 | Ingersoll Rand Co | Direct contact gas condenser |
DE7717599U1 (de) * | 1977-06-03 | 1977-11-17 | Regehr, Ulrich, Dr.-Ing., 5100 Aachen | Lamellendeflektor zur abscheidung von in einem fluessigkeit-dampf-gemisch mitgefuehrter fluessigkeit |
EP0128346B1 (de) * | 1983-06-09 | 1986-09-10 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Mehrdruckkondensator für Dampfturbinen mit Aufwärmungseinrichtungen zur Unterdrückung der Unterkühlung des Kondensators |
JPS6149230A (ja) | 1984-08-16 | 1986-03-11 | Fuji Electric Co Ltd | 画面ハ−ドコピ−方式 |
JPH06118197A (ja) | 1992-09-28 | 1994-04-28 | Toshiba Corp | 湿分分離器 |
JPH0736543A (ja) * | 1993-07-23 | 1995-02-07 | Furukawa Electric Co Ltd:The | 移動体の位置検出方法 |
FI93773C (fi) * | 1994-03-09 | 1995-05-26 | Shippax Ltd Oy | Lämmönvaihtoelementti |
JPH11173768A (ja) * | 1997-12-10 | 1999-07-02 | Mitsubishi Heavy Ind Ltd | 多段圧復水器 |
JP2009052867A (ja) * | 2007-08-29 | 2009-03-12 | Toshiba Corp | 多段圧復水器 |
JP2009097788A (ja) * | 2007-10-16 | 2009-05-07 | Toshiba Corp | 複圧式復水器及び復水再熱方法 |
JP5885990B2 (ja) * | 2011-10-13 | 2016-03-16 | 三菱重工業株式会社 | 多段圧復水器及びこれを備えるタービンプラント |
US9488416B2 (en) * | 2011-11-28 | 2016-11-08 | Mitsubishi Hitachi Power Systems, Ltd. | Multistage pressure condenser and steam turbine plant having the same |
-
2013
- 2013-02-13 JP JP2013026077A patent/JP5936562B2/ja not_active Expired - Fee Related
-
2014
- 2014-02-13 WO PCT/JP2014/053339 patent/WO2014126154A1/ja active Application Filing
- 2014-02-13 US US14/760,098 patent/US9638469B2/en not_active Expired - Fee Related
- 2014-02-13 KR KR1020157018051A patent/KR101713467B1/ko active IP Right Grant
- 2014-02-13 EP EP14751741.1A patent/EP2957847B1/en not_active Not-in-force
- 2014-02-13 CN CN201480004413.5A patent/CN104937360B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US3599943A (en) * | 1968-04-04 | 1971-08-17 | Carl Georg Munters | Liquid and gas contact apparatus |
JPS6149230U (ja) * | 1984-09-03 | 1986-04-02 | ||
JP3706571B2 (ja) | 2001-11-13 | 2005-10-12 | 三菱重工業株式会社 | 多段圧復水器 |
JP2011247454A (ja) * | 2010-05-24 | 2011-12-08 | Taikisha Ltd | 空気浄化加湿装置 |
WO2012117597A1 (ja) * | 2011-02-28 | 2012-09-07 | 三菱重工業株式会社 | 多段圧復水器およびこれを備えた蒸気タービンプラント |
Non-Patent Citations (1)
Title |
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See also references of EP2957847A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP5936562B2 (ja) | 2016-06-22 |
US9638469B2 (en) | 2017-05-02 |
EP2957847B1 (en) | 2017-05-17 |
KR20150092293A (ko) | 2015-08-12 |
CN104937360A (zh) | 2015-09-23 |
EP2957847A4 (en) | 2016-11-23 |
CN104937360B (zh) | 2017-09-29 |
US20160010923A1 (en) | 2016-01-14 |
EP2957847A1 (en) | 2015-12-23 |
JP2014153039A (ja) | 2014-08-25 |
KR101713467B1 (ko) | 2017-03-07 |
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