WO2007114048A1 - 伝熱管の支持構造 - Google Patents
伝熱管の支持構造 Download PDFInfo
- Publication number
- WO2007114048A1 WO2007114048A1 PCT/JP2007/055663 JP2007055663W WO2007114048A1 WO 2007114048 A1 WO2007114048 A1 WO 2007114048A1 JP 2007055663 W JP2007055663 W JP 2007055663W WO 2007114048 A1 WO2007114048 A1 WO 2007114048A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat transfer
- transfer tube
- tube
- support plate
- support
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 59
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 238000003466 welding Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 8
- 239000002826 coolant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003189 isokinetic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/16—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/16—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour
- F22B1/162—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour in combination with a nuclear installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/20—Supporting arrangements, e.g. for securing water-tube sets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/20—Supporting arrangements, e.g. for securing water-tube sets
- F22B37/204—Supporting arrangements for individual tubes, e.g. for securing tubes to a refractory wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by plates
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Definitions
- the present invention relates to a heat transfer tube support structure in heat exchange such as a steam generator used in a nuclear power generation facility, for example.
- Some heat exchangers include a container, a plurality of heat transfer tubes provided in the container, and a tube support plate that supports the heat transfer tube in the container. In this heat exchange, heat exchange is performed between the first fluid and the second fluid by circulating the first fluid in the heat transfer tube and the second fluid in the container.
- a trumpet peripheral portion support member
- a stay rod inner peripheral portion support member
- Patent Document 1 a tube support plate provided with a plurality of tube holes is used as a tube support plate, and the heat transfer tube is supported by the tube support plate by passing the heat transfer tube through each tube hole. It has become so.
- the thickness of the tube support plate is ensured to be greater than the thickness required to support the heat transfer tube so that it can sufficiently withstand the load that receives the second fluid isokinetic force flowing through the container!
- the area of the region between the tube holes is secured to a predetermined degree.
- the tube support plate has a plurality of protrusions that protrude inward in the radial direction of the inner surface of the tube hole and that have a contact surface for supporting the heat transfer tube at the inner end, and the inner surface force is also contact surface
- At least one of the end portions of the projecting portion is tapered so that a conical guide structure is formed to facilitate insertion of the heat transfer tube into the tube hole. That is, in this tube support plate, the length of the protruding portion in the axial direction of the tube hole is larger than the length of the tube hole including the tapered portion.
- the inner surface of the opening end side of the tube hole from the short projecting portion is formed in a shape parallel to the axis (a shape without a taper).
- Patent Document 1 Japanese Patent Publication No. 6-63712 (Claim 1 and FIG. 4)
- the tube support plate When the tube support plate is distorted, the inner surface of the tube hole is inclined with respect to the heat transfer tube inserted through the tube hole, and the open end of the tube hole is pressed against the heat transfer tube. For this reason, depending on the magnitude of the distortion generated in the tube support plate, the heat transfer tube may be dented or scratched. As described above, since the thickness of the tube support plate is large, one opening end force of the tube hole has a large distance to the other opening end. For this reason, even if the amount of inclination of the inner surface of the tube hole is small, a large load is applied to the heat transfer tube where the positional deviation between one open end of the tube hole and the other open end is large.
- the present invention has been made in view of such circumstances, and is a heat transfer tube support capable of preventing a decrease in reliability and durability of the heat transfer tube, which is difficult to cause dents and scratches on the heat transfer tube.
- the purpose is to provide a structure.
- the present invention employs the following means.
- the first aspect of the present invention includes a container, a heat transfer tube provided in the container, and a tube support plate provided in the container and having a heat transfer tube passage hole opened in the thickness direction.
- heat A heat transfer tube support structure used in an exchanger wherein an inner surface of the heat transfer tube passage hole is provided with a support portion for receiving the heat transfer tube at an intermediate portion in the axial direction of the heat transfer tube passage hole.
- the region between the support portion and each opening end of the heat transfer tube passage hole is an inclined surface toward the radially outer side of the heat transfer tube passage hole toward the opening end side.
- a heat transfer tube support structure is provided.
- the heat transfer tube passed through the heat transfer tube passage hole of the tube support plate is received by a support portion provided on the inner surface of the heat transfer tube passage hole.
- a support portion provided on the inner surface of the heat transfer tube passage hole.
- the region between the support portion that receives the heat transfer tube and the opening end of the heat transfer tube passage hole is an inclined surface that faces the radially outer side of the heat transfer tube passage hole toward the opening end side. It is said that.
- a gap is secured between the heat transfer tube and the inclined surface portion formed between the support portion and the open end.
- the heat transfer tube is less likely to be dented or scratched when the open end of the heat transfer tube passage hole hits the heat transfer tube.
- the heat transfer tube and the inner surface (inclined surface) of the heat transfer tube passage hole are: Contact at an angle close to parallel. That is, in the heat transfer tube support structure according to the present invention, since the contact area between the heat transfer tube and the inner surface of the heat transfer tube through hole is large, the load applied to the heat transfer tube is dispersed, and the heat transfer tube is not dented. Scratches are less likely to occur.
- the inclined surface extends from the open end of the heat transfer tube passage hole of the tube support plate to the support portion.
- a container a heat transfer tube provided in the container, and a tube support plate provided in the container and having a heat transfer tube through hole opened in a thickness direction.
- a support structure for a heat transfer tube used for heat exchange having a peripheral edge support member for supporting the peripheral edge of the pipe support plate and an inner peripheral support member for supporting an inner peripheral part of the tube support plate And among the support positions of the tube support plate by the inner periphery support member, from the support position closest to the peripheral edge.
- a heat exchanger container is made by welding a plurality of members, for example, a cylindrical body portion and a dome-shaped water chamber mirror that closes both ends of the body portion.
- the container is subjected to heat treatment after welding.
- the peripheral edge support member that supports the peripheral edge portion of the tube support plate is closer to a portion that is subjected to welding or heat treatment in the container than the inner peripheral portion support member that supports the inner peripheral portion of the tube support plate. That is, the peripheral edge support member is more likely to transmit heat applied to the container during the welding process or post-weld heat treatment than the inner peripheral part support member.
- the thermal expansion amount of the peripheral edge supporting member is larger than the thermal expansion amount of the inner peripheral supporting member. Then, the peripheral portion of the tube support plate is pressed by the peripheral portion support member, and the portion closer to the peripheral portion than the support position by the inner peripheral portion support member of the tube support plate (hereinafter referred to as “outer peripheral portion”) is tube support. It will warp toward one side of the board.
- the heat transfer tube passage hole is inclined, and the heat transfer tube supported by the outer periphery of the tube support plate may be dented or damaged.
- the support position by the inner periphery support member serves as a fulcrum in the tube support plate
- the support position by the periphery support member serves as a force point.
- the smaller the distance between the support position of the tube support plate by the inner peripheral support member and the support position of the tube support plate by the peripheral support member the deformation amount of the outer peripheral portion (the outer peripheral portion relative to the inner peripheral portion). (Tilt angle) increases.
- the tube support plate is supported by the inner periphery support member. The greater the distance between the position and the support position of the tube support plate by the peripheral edge support member, the smaller the amount of deformation of the outer periphery.
- the distance from the support position force closest to the periphery to the center position of the tube support plate is D1
- the support position force of the pipe support plate by the parts is also given as D 1 / D2 ⁇ 0.6, where D2 is the distance to the center position of the pipe support plate.
- the pipe support plate is secured by sufficiently securing the distance between the fulcrum and the force point in the pipe support plate compared to the distance from the support position of the pipe support plate to the center position of the pipe support plate by the peripheral edge support member.
- the amount of deformation of the outer peripheral portion relative to the inner peripheral portion can be reduced.
- the inclination angle of the heat transfer tube passage hole provided in the outer peripheral portion of the tube support plate is small. In other words, the heat transfer tube supported on the outer periphery of the tube support plate will be dented or scratched.
- a support portion for receiving the heat transfer tube is provided at an intermediate portion in the axial direction of the heat transfer tube passage hole, and each opening end side of the support portion and the heat transfer tube passage hole is provided.
- the region between the two may be an inclined surface that faces the radially outer side of the heat transfer tube passage hole as it goes toward the opening end.
- the heat transfer tube and the inner surface (inclined surface) of the heat transfer tube passage hole come into contact with each other at an angle closer to parallel, Since the contact area with the inner surface of the heat transfer tube through hole is large, the load applied to the heat transfer tube is dispersed, and the heat transfer tube is less likely to be dented or damaged.
- a chamfered portion may be provided at a boundary portion between the surface of the tube support plate and each of the inclined surfaces.
- FIG. 1 is a longitudinal sectional view schematically showing a configuration of a steam generator (heat exchanger) to which a heat transfer tube support structure according to a first embodiment of the present invention is applied.
- FIG. 2 is a partially broken perspective view showing the configuration of the steam generator shown in FIG.
- FIG. 3 is a partially enlarged view of FIG.
- FIG. 4 is a closed sectional view of a steam generator to which the heat transfer tube support structure according to the first embodiment of the present invention is applied.
- FIG. 5 is a partially enlarged view of FIG.
- FIG. 6 is a plan view showing the shape of a tube support plate used in the heat transfer tube support structure according to the first embodiment of the present invention.
- FIG. 7 is a cross-sectional view taken along line AA in FIG.
- FIG. 8 is a partially enlarged view of FIG.
- FIG. 9 is a partially broken perspective view showing the shape of a tube support plate used in the heat transfer tube support structure according to the first embodiment of the present invention.
- FIG. 10 is a diagram schematically showing the operation of the heat transfer tube support structure according to the first embodiment of the present invention.
- FIG. 11 is a diagram schematically showing a heat transfer tube support structure according to a second embodiment of the present invention. Explanation of symbols
- Steam generator 1 is a high-pressure and high-pressure primary cooling water (primary coolant) that collects heat generated in the reactor core in a pressurized water nuclear power generation facility, and a secondary that circulates in a channel independent of the primary cooling water. By exchanging heat with the cooling water (secondary coolant), the secondary cooling water is boiled to generate high-pressure steam to drive the power generation turbine.
- primary coolant primary cooling water
- secondary coolant secondary coolant
- the steam generator 1 has a container composed of a substantially cylindrical lower shell 3 and a substantially cylindrical upper shell 5.
- the lower body 3 is provided with a first water chamber 7, a second water chamber 9, a tube plate 11, a large number of heat transfer tubes 13, and a trumpet (tube group outer tube) 15.
- the lower end portion of the lower body 3 is formed in a substantially hemispherical dome shape, and the inside thereof is divided into two chambers on the left and right. Of these two chambers, one chamber is a first water chamber 7 and the other chamber is a second water chamber 9.
- the first water chamber 7 is provided with a primary coolant inlet nozzle 17. Into the first water chamber 7, primary cooling water from the reactor core is introduced through the primary coolant inlet nozzle 17.
- the second water chamber 9 is provided with a primary coolant outlet nozzle 19.
- the primary cooling water exchanged in the steam generator 1 and recovered in the second water chamber 9 passes through the primary coolant outlet nozzle 19. Sent to the reactor core.
- the tube plate 11 is formed in the lower trunk 3 to a lower end portion constituting the first water chamber 7 and the second water chamber 9, and an upper portion in which the heat transfer tube 13 is accommodated. It is something to divide.
- Each heat transfer tube 13 is raised from the tube plate 11 to the upper end of the lower barrel 3 to form an inverted U-shaped flow path in the lower barrel 3.
- Each heat transfer tube 13 has one end connected to the first water chamber 7 through the tube plate 11 and the other end connected to the second water chamber 9 through the tube plate 11.
- the straight pipe portion of the heat transfer pipe 13 is supported by a plurality of pipe support plates 25 provided at predetermined intervals in the vertical direction! RU
- the tube support plate 25 has a substantially disk shape, and as shown in FIG. 3, a plurality of heat transfer tube passage holes 26 through which the heat transfer tubes 13 are inserted are opened in the thickness direction.
- the tube support plate 25 is supported in the radially inner region by a plurality of stay rods 16 raised upward from the tube plate 11.
- a plurality of stay rods 16 are arranged on a circumference that is coaxial with the lower body 3, and the set of the staples 16 arranged on the same circumference has different diameters. Multiple sets are provided. That is, the tube support plate 25 is supported by the stay rod 16 at a plurality of locations in the radial direction.
- the wrapper 15 is a substantially cylindrical member surrounding the straight pipe portion of all the heat transfer tubes 13, and the upper and lower ends thereof are fixed to the lower body 3 by welding or the like.
- the pipe support plate 25 has a peripheral edge portion fixed to the inner peripheral surface of the wrapper 15.
- the upper trunk 5 is provided with a water supply ring 31, a steam / water separator 33, a moisture separator 35, and a steam chamber 37.
- the water supply ring 31 is a pipe provided in a ring shape at the lower part of the upper body 5, and supplies secondary cooling water supplied through a water supply inlet nozzle 39 provided in the upper body 5 to the outside of the trumpet 15. It has a function to do.
- the steam separator 33 roughly separates the water-mixed steam sent from the lower shell 3 into steam and water. The water separated by the steam separator 33 is returned again into the steam generator 1 as secondary cooling water.
- the steam roughly separated by the steam separator 33 is introduced into the moisture separator 35 to separate the moisture contained in the steam.
- the steam from which the moisture has been separated is sent to the steam chamber 37 and then sent to the power generation turbine through the steam outlet nozzle 41 provided in the upper body 5.
- FIG. 4 shows a plan view of the tube support plate 25.
- a large number of heat transfer tube through holes 26 are regularly formed in the tube support plate 25.
- a heat transfer tube through hole 26 is formed at each intersection of a plurality of oblique lines shown in FIG.
- FIG. 5 is an enlarged view of a region P indicated by a solid line in FIG.
- a plurality of pairs of parallel lines arranged at equal intervals on the tube support plate 25 are provided at two intersections at different angles by 60 °.
- a heat pipe through hole 26 is formed.
- the inner surface of the heat transfer tube passage hole 26 is provided with support portions 27 for supporting the heat transfer tube 13 at a plurality of locations around the axis of the substantially cylindrical inner surface.
- the support portion 27 is configured by a protrusion portion that protrudes radially inward from an intermediate portion in the axial direction on the inner surface of the heat transfer tube passage hole 26.
- the protruding end of the support portion 27 is a cylindrical surface substantially parallel to the axis of the heat transfer tube passage hole 26, and receives the outer peripheral surface of the heat transfer tube 13 by surface contact.
- three support portions 27 are provided every 120 ° around the axis of the heat transfer tube passage hole 26.
- the cylindrical inner surface of the heat transfer tube passage hole 26 is located on the opposite side of each support portion 27 across the axis of the heat transfer tube passage hole 26.
- the region between the support portion 27 and each opening end of the heat transfer tube passage hole 26 is the radial direction of the heat transfer tube passage hole 26 toward the opening end side.
- the inclined surface 28 faces outward.
- the length of the heat transfer tube passage hole 26 is 35 mm, and the dimension of the inclined surface 28 in the axial direction of the heat transfer tube passage hole 26 is 7 mm.
- the inclination angle ⁇ (see FIG. 8) of the inclined surface 28 with respect to the axis O of the heat transfer tube passage hole 26 is about 10 degrees. ing.
- a chamfered portion 29 is provided at a boundary portion between the surface of the tube support plate 25 and each inclined surface 28.
- the heat transfer tube 13 inserted into the heat transfer tube passage hole 26 of the tube support plate 25 is received by the support portion 27 provided on the inner surface of the heat transfer tube passage hole 25.
- the region between the support portion 27 that receives the heat transfer tube 13 and the opening end of the heat transfer tube passage hole 26 is located in the heat transfer tube passage hole 26 toward the opening end side.
- the inclined surface 28 is directed radially outward.
- the inner surface of the tube hole closer to the opening end than the protruding portion has a shape in which the inner surface is parallel to the axis (a shape without a taper). Formed.
- the heat transfer tube contacts the corner where the open end of the tube hole intersects the surface of the tube support plate. It will be. Since these corners are formed at a substantially right angle, the heat transfer tube is concentrated at the contact point with the corners, so that force is applied to the heat transfer tube, and dents and scratches are likely to occur on the heat transfer tube!
- the heat transfer tube support structure according to the present embodiment As described above, even if the tube support plate 25 is inclined, the opening end of the heat transfer tube through hole 26 hits the heat transfer tube 13. Even if the heat transfer tube 13 comes into contact with the inner surface of the heat transfer tube passage hole 26, the heat transfer tube 13 and the inner surface (inclined surface 28) of the heat transfer tube passage hole 26 come into contact with each other at an angle closer to parallel. That is, in the heat transfer tube support structure according to this embodiment, since the contact area between the heat transfer tube 13 and the inner surface of the heat transfer tube through hole 26 is large, the load applied to the heat transfer tube 13 is dispersed. The heat transfer tube is less likely to be dented or scratched.
- the tapered portion of the tube hole protrusion does not reach the open end of the tube hole, whereas in the heat transfer tube support structure according to the present embodiment, The opening end force of the heat transfer tube passage hole 26 of the tube support plate 25 is also inclined to the support portion 27.
- the volume of the heat transfer tube penetration hole 26 can be further reduced as compared with the tube hole of the tube support plate described in Patent Document 1 while ensuring escape of the heat transfer tube 13.
- the volume of the region between the heat transfer tube passage holes 26 of the tube support plate 25 can be made larger than the volume between the tube holes of the tube support plate described in Patent Document 1) The strength of the plate 25 can be secured.
- a chamfered portion 29 is provided at a boundary portion between the surface of the tube support plate 25 and each inclined surface 28.
- the heat transfer tube 13 is unlikely to be dented or damaged, thereby preventing a decrease in reliability and durability of the heat transfer tube 13. be able to.
- the heat transfer tube support structure according to the present embodiment is the steam generator 1 shown in the first embodiment.
- the distance from the support position force closest to the periphery of the tube support plate 25 to the center position of the tube support plate 25 is D1
- the support position force of the tube support plate 25 by the wrapper 15 is also set to D1ZD2 0.6 when the distance to the center position of the tube support plate 25 is D2.
- the lower body 3 of the steam generator 1 is created by welding a cylindrical body part and a dome-shaped water chamber mirror that closes the lower end of the body part. Further, in the manufacturing process of the lower body 3, post-weld heat treatment is performed to ensure the soundness of the welded portion.
- the trumpet 15 that supports the peripheral portion of the tube support plate 25 is subjected to welding and heat treatment in the lower body 3 as compared to the stay rod 16 that supports the inner peripheral portion of the tube support plate 25. Close to the site. That is, compared to the stay rod 16, the trumpet 15 is more likely to transmit heat applied to the lower body 3 during the welding process or the post-weld heat treatment.
- the support position closest to the peripheral portion (depending on the set of stay rods 16 arranged on the outermost periphery). If the distance from the support position) to the center position of the tube support plate 25 is D1, and the support position force of the tube support plate 25 by the trumpet 15 is also the distance from the center position of the tube support plate 25 to D2, D1 / D2 ⁇ 0. As 6!
- the support position force of the tube support plate 25 by the wrapper 15 is also sufficient to secure the distance between the fulcrum and the force point on the tube support plate 25 compared to the distance D2 to the center position of the tube support plate 25. Therefore, the deformation amount of the outer peripheral portion relative to the inner peripheral portion of the tube support plate 25 can be reduced.
- the inner surface shape of the heat transfer tube passage hole 26 of the tube support plate 25 is the same as the inner surface shape of the heat transfer tube passage hole 26 of the tube support plate 25 shown in the first embodiment.
- the positional relationship between the support position of the tube support plate 25 by the stay rod 16 and the support position of the tube support plate 25 by the trumpet 15 is set within a suitable range as described above, the tube support Since the inclination of the holding plate 25 itself is suppressed, the inclined surface 28 and the chamfered portion 29 are not necessarily provided on the tube support plate 25.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Plasma & Fusion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2643156A CA2643156C (en) | 2006-03-31 | 2007-03-20 | Heat transfer tube support structure |
US12/224,391 US8573288B2 (en) | 2006-03-31 | 2007-03-20 | Heat transfer tube support structure |
KR1020087022263A KR101151548B1 (ko) | 2006-03-31 | 2007-03-20 | 전열관의 지지 구조체 |
CN2007800088580A CN101400961B (zh) | 2006-03-31 | 2007-03-20 | 传热管支承结构 |
EP07739106.8A EP2003416B1 (en) | 2006-03-31 | 2007-03-20 | Support structure for heat transfer tube |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006096948A JP2007271157A (ja) | 2006-03-31 | 2006-03-31 | 伝熱管の支持構造 |
JP2006-096948 | 2006-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007114048A1 true WO2007114048A1 (ja) | 2007-10-11 |
Family
ID=38563317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/055663 WO2007114048A1 (ja) | 2006-03-31 | 2007-03-20 | 伝熱管の支持構造 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8573288B2 (ja) |
EP (1) | EP2003416B1 (ja) |
JP (1) | JP2007271157A (ja) |
KR (1) | KR101151548B1 (ja) |
CN (1) | CN101400961B (ja) |
CA (1) | CA2643156C (ja) |
TW (1) | TW200806948A (ja) |
WO (1) | WO2007114048A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014025618A (ja) * | 2012-07-25 | 2014-02-06 | Ihi Corp | 熱交換器及び熱交換器の管支持板の据え付け方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011117656A (ja) * | 2009-12-02 | 2011-06-16 | Tokyo Titanium Co Ltd | シェルアンドチューブ型の熱交換器 |
JP2012102932A (ja) * | 2010-11-09 | 2012-05-31 | Mitsubishi Heavy Ind Ltd | 蒸気発生器、蒸気発生器の組立方法、気水分離器の移動装置 |
JP5660886B2 (ja) * | 2010-12-27 | 2015-01-28 | 三菱重工業株式会社 | 蒸気発生器の製造方法および管支持板組立装置 |
JP5573705B2 (ja) * | 2011-01-28 | 2014-08-20 | ダイキン工業株式会社 | 熱交換装置 |
US9534779B2 (en) * | 2011-04-04 | 2017-01-03 | Westinghouse Electric Company Llc | Steam generator tube lane flow buffer |
FR3002316B1 (fr) * | 2013-02-19 | 2015-03-27 | Dcns | Echangeur de chaleur monophasique du type a chicanes ameliore et plaque de cloisonnement pour un tel echangeur |
JP6407518B2 (ja) * | 2013-11-13 | 2018-10-17 | 三菱日立パワーシステムズ株式会社 | 伝熱管支持構造物および排熱回収ボイラ |
US11512902B2 (en) * | 2017-11-01 | 2022-11-29 | Holtec International | Flow baffles for shell and tube heat exchangers |
CN208398051U (zh) * | 2018-05-25 | 2019-01-18 | 深圳中广核工程设计有限公司 | 核电厂蒸汽发生器u形传热管用支撑板及其蒸汽发生器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54132852U (ja) * | 1978-03-08 | 1979-09-14 | ||
JPS59153478U (ja) * | 1983-03-30 | 1984-10-15 | 株式会社東芝 | 多管式熱交換器の伝熱管支持体 |
JPS6241591A (ja) * | 1985-08-13 | 1987-02-23 | Toshiba Corp | 熱交換器 |
JPH0663712B2 (ja) | 1984-11-13 | 1994-08-22 | ウエスチングハウス エレクトリック コ−ポレ−ション | 管支持板 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1992504A (en) * | 1933-04-10 | 1935-02-26 | Abbott L Penniman | Surface condenser |
CA935812A (en) * | 1970-04-23 | 1973-10-23 | M. Donaldson Desmond | Baffle for shell and tube heat exchangers |
JPS52147967A (en) * | 1976-06-02 | 1977-12-08 | Nec Corp | Test method for p-n junction depth |
IT1065374B (it) * | 1976-12-21 | 1985-02-25 | Breda Termomeccanica Spa | Griglia di supporto per fasci tubieri e suo montaggio in un generatore di vapore o simile |
JPS54132852A (en) * | 1978-04-07 | 1979-10-16 | Hitachi Ltd | Two-door refrigerator |
JPS59153478A (ja) * | 1983-02-18 | 1984-09-01 | Hitachi Ltd | 交流エレベ−タ−の制御装置 |
US4576228A (en) * | 1984-02-03 | 1986-03-18 | The United States Of America As Represented By The United States Department Of Energy | Minimum wear tube support hole design |
JPS62142678A (ja) * | 1985-12-17 | 1987-06-26 | Honda Motor Co Ltd | ポリプロピレン樹脂表面に絵柄を現出する方法及び装置 |
JPS62142678U (ja) | 1986-02-28 | 1987-09-09 | ||
JPH01117484A (ja) * | 1987-10-30 | 1989-05-10 | Hitachi Ltd | 固体撮像装置 |
US4834173A (en) * | 1987-11-20 | 1989-05-30 | American Standard Inc. | Pressure actuated baffle seal |
JPH01117484U (ja) | 1988-02-02 | 1989-08-08 | ||
FR2709174B1 (fr) * | 1993-08-20 | 1995-11-17 | Framatome Sa | Echangeur de chaleur comportant des moyens de maintien de barres antivibratoires intercalés entre les tubes du faisceau de l'échangeur. |
US5699395A (en) * | 1995-10-05 | 1997-12-16 | Westinghouse Electric Corporation | Segmented stayrod for restricting transverse displacement of a nuclear heat exchanger tube support plate |
JPH09280771A (ja) | 1996-04-10 | 1997-10-31 | Mitsubishi Heavy Ind Ltd | 熱交換器及びその製造方法 |
JP3822279B2 (ja) * | 1996-05-22 | 2006-09-13 | 臼井国際産業株式会社 | Egrガス冷却装置 |
TW430058U (en) | 1999-06-21 | 2001-04-11 | Wu Jin Lung | Positioning instrument of heat exchange pipe |
FR2799529B1 (fr) * | 1999-10-08 | 2002-01-18 | Framatome Sa | Generateur de vapeur comportant une plaque de repartition pour favoriser l'ecoulement de l'eau d'alimentation au-dessus de la plaque tubulaire |
US6498827B1 (en) * | 1999-11-01 | 2002-12-24 | Babcock & Wilcox Canada, Ltd. | Heat exchanger tube support structure |
US6914955B2 (en) * | 2002-10-31 | 2005-07-05 | Babcock & Wilcox Canada Ltd. | Heat exchanger tube support structure |
-
2006
- 2006-03-31 JP JP2006096948A patent/JP2007271157A/ja active Pending
-
2007
- 2007-03-20 US US12/224,391 patent/US8573288B2/en active Active
- 2007-03-20 CN CN2007800088580A patent/CN101400961B/zh active Active
- 2007-03-20 KR KR1020087022263A patent/KR101151548B1/ko active IP Right Grant
- 2007-03-20 WO PCT/JP2007/055663 patent/WO2007114048A1/ja active Application Filing
- 2007-03-20 CA CA2643156A patent/CA2643156C/en active Active
- 2007-03-20 EP EP07739106.8A patent/EP2003416B1/en active Active
- 2007-03-28 TW TW096110880A patent/TW200806948A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54132852U (ja) * | 1978-03-08 | 1979-09-14 | ||
JPS59153478U (ja) * | 1983-03-30 | 1984-10-15 | 株式会社東芝 | 多管式熱交換器の伝熱管支持体 |
JPH0663712B2 (ja) | 1984-11-13 | 1994-08-22 | ウエスチングハウス エレクトリック コ−ポレ−ション | 管支持板 |
JPS6241591A (ja) * | 1985-08-13 | 1987-02-23 | Toshiba Corp | 熱交換器 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2003416A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014025618A (ja) * | 2012-07-25 | 2014-02-06 | Ihi Corp | 熱交換器及び熱交換器の管支持板の据え付け方法 |
Also Published As
Publication number | Publication date |
---|---|
US8573288B2 (en) | 2013-11-05 |
US20090008070A1 (en) | 2009-01-08 |
EP2003416B1 (en) | 2018-12-05 |
TWI324245B (ja) | 2010-05-01 |
CN101400961A (zh) | 2009-04-01 |
CN101400961B (zh) | 2010-12-01 |
TW200806948A (en) | 2008-02-01 |
CA2643156A1 (en) | 2007-10-11 |
KR20080103557A (ko) | 2008-11-27 |
EP2003416A9 (en) | 2009-04-22 |
CA2643156C (en) | 2015-10-13 |
JP2007271157A (ja) | 2007-10-18 |
EP2003416A2 (en) | 2008-12-17 |
EP2003416A4 (en) | 2014-04-09 |
KR101151548B1 (ko) | 2012-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007114048A1 (ja) | 伝熱管の支持構造 | |
JP4865256B2 (ja) | 熱交換器及び熱交換器の製造方法 | |
US9188328B2 (en) | Helical coil steam generator | |
JP4818643B2 (ja) | 冷却プレート | |
US3841271A (en) | Heat exchanger having a plurality of modular tube bundles | |
KR101685235B1 (ko) | 기계적으로 부착된 써지 노즐의 열 슬리브를 구비하는 가압기 | |
JP6071298B2 (ja) | 伝熱管の隙間拡張治具及び振動抑制部材の追設方法 | |
EP3473593B1 (en) | Reformer, cell stack device, fuel cell module and fuel cell device | |
JP2010027582A (ja) | 燃料電池用改質器の製造方法 | |
JP2008292035A (ja) | ボイラ | |
JP6021511B2 (ja) | 熱交換器及び振動抑制部材の追設方法 | |
JP4785550B2 (ja) | 高温度熱交換器 | |
JP4953567B2 (ja) | 凸状の底部を有する熱交換器、特に蒸気発生器 | |
US4170263A (en) | Tube sheet connection to vessel containing a bundle of tubes | |
JP7319139B2 (ja) | 配管構造体及び熱交換器 | |
JP2000111682A (ja) | 加圧水型原子炉の炉心構造 | |
USH598H (en) | Tokamak reactor first wall | |
TW436810B (en) | Forged core plate for a boiling water reactor | |
JP5901266B2 (ja) | 蒸気発生器 | |
WO2014030717A1 (ja) | 振動抑制部材、振動抑制部材の配設方法及び蒸気発生器 | |
KR101101200B1 (ko) | 급수가열기 | |
KR20220166061A (ko) | 원자로용 증기 발생기 | |
US20140116360A1 (en) | Method and apparatus for securing tubes in a steam generator against vibration | |
JPH0585801B2 (ja) | ||
JP2014163560A (ja) | 振動抑制部材、その配設方法、蒸気発生器、原子力プラント、伝熱管群及びプラント |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07739106 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2643156 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12224391 Country of ref document: US Ref document number: 2007739106 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200780008858.0 Country of ref document: CN Ref document number: 1020087022263 Country of ref document: KR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |