WO2017098788A1 - Heat exchanger support structure - Google Patents

Heat exchanger support structure Download PDF

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Publication number
WO2017098788A1
WO2017098788A1 PCT/JP2016/079298 JP2016079298W WO2017098788A1 WO 2017098788 A1 WO2017098788 A1 WO 2017098788A1 JP 2016079298 W JP2016079298 W JP 2016079298W WO 2017098788 A1 WO2017098788 A1 WO 2017098788A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
support structure
members
expansion
receiving
Prior art date
Application number
PCT/JP2016/079298
Other languages
French (fr)
Japanese (ja)
Inventor
貴史 霜田
Original Assignee
住友重機械工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友重機械工業株式会社 filed Critical 住友重機械工業株式会社
Priority to MYPI2018702223A priority Critical patent/MY192246A/en
Publication of WO2017098788A1 publication Critical patent/WO2017098788A1/en
Priority to PH12018501212A priority patent/PH12018501212A1/en

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Classifications

    • 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
    • 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

Definitions

  • the present invention relates to a heat exchanger support structure.
  • a boiler including a reaction furnace and a heat exchanger provided in a flow path of a fluid supplied from the reaction furnace (for example, see Patent Document 1).
  • the boiler is provided with a heat exchanger support structure including a support member for supporting the heat exchanger in the flow path.
  • An object of the present invention is to provide a heat exchanger support structure capable of suppressing damage to the support member.
  • a heat exchanger support structure is a boiler heat exchanger support structure including a reaction furnace and a heat exchanger provided in a flow path of a fluid supplied from the reaction furnace.
  • the heat exchanger includes a support member that supports the heat exchanger in the flow path, and the support member includes an expansion / contraction permission member that allows expansion and contraction of the heat exchanger.
  • the support member that supports the heat exchanger in the flow path includes an expansion / contraction permission member that allows expansion and contraction of the heat exchanger. Therefore, even when the heat exchanger expands and contracts due to the influence of heat, the expansion / contraction permission member of the support member allows expansion and contraction of the heat exchanger, and thus damage to the support member can be suppressed. As described above, damage to the support member can be suppressed.
  • the expansion / contraction permission member includes a first member connected to the heat exchanger side and a second member connected to the structure side of the boiler, the first member and the first member Of the two members, one member may have a shape for receiving the other member.
  • the structure which accepts expansion-contraction can be simply formed by using two members.
  • the receiving member of the first member and the second member may have an opening for removing foreign matter.
  • the receiving side member even if foreign matter enters the receiving side member, the foreign matter can be removed from the opening. Therefore, it is difficult for foreign matter to accumulate in the receiving side member, and even if foreign matter accumulates, it can be easily removed.
  • the receiving-side member of the first member and the second member may form a receiving portion by arranging a pair of plate-like members facing each other.
  • the receiving portion can be easily formed on the receiving-side member with a simple structure.
  • the member on the insertion side of the first member and the second member may be formed of a plate-like member. Thereby, the member on the insertion side can also have a simple structure.
  • the insertion-side member of the first member and the second member may have a shape in which the tip end side is inclined with respect to the insertion direction.
  • the set of the first member and the second member facing in the horizontal direction is provided at a plurality of locations in the vertical direction, and at least one of the first member and the second member of the set,
  • the receiving member can receive the insertion member in the vertical direction.
  • the receiving side member receives the insertion side member in the vertical direction, so that the vertical expansion and contraction can be allowed.
  • the receiving member in the first member and the second member that are opposed in the horizontal direction, is the insertion member in the facing direction in which the first member and the second member are opposed. It may be acceptable. Thereby, even when the heat exchanger expands and contracts in the opposing direction in which the first member and the second member are opposed in the horizontal direction, the receiving-side member receives the insertion-side member in the opposing direction. The expansion and contraction in the facing direction can be allowed.
  • FIG. 1 is a figure showing the composition of the boiler to which the heat exchanger support structure concerning the embodiment of the present invention is applied.
  • FIG. 2 is a side view showing a configuration of a heat exchanger support structure applied to the boiler of FIG.
  • Fig.3 (a) is an enlarged view of the heat exchanger support structure shown in FIG. 2
  • FIG.3 (b) is the enlarged view which looked at the heat exchanger support structure from upper direction.
  • 4 (a), 4 (b), and 4 (c) are diagrams for explaining the operation and effect of the heat exchanger support structure shown in FIG.
  • FIG. 5 is a perspective view of a heat exchanger support structure according to a modification.
  • Fig.6 (a) is a perspective view of the heat exchanger support structure which concerns on a modification
  • FIG.6 (b) is a fragmentary sectional view of the heat exchanger support structure which concerns on a modification.
  • FIG. 1 is a figure showing the composition of the boiler to which the heat exchanger support structure concerning the embodiment of the present invention is applied.
  • the boiler 1 includes a reaction furnace 2 having a vertically long cylindrical shape and having a combustion section 3 therein.
  • the boiler 1 also includes a communication unit 4 through which the fluid supplied from the reaction furnace 2 passes, and a separation unit 5 that separates the fluid into gas and solid particles.
  • the communication unit 4 and the separation unit 5 may be referred to as a fluid flow path 6.
  • a heat exchanger 10 for exchanging heat with the fluid is provided in the flow path 6.
  • the communication part 4 provided on the upper side of the reaction furnace 2 and the separation part 5 connected to the communication part 4 are illustrated, but the heat exchanger 10 is provided.
  • the position where it is provided is not particularly limited.
  • the heat exchanger 10 may be provided in the flow path near the lower end of the reaction furnace 2.
  • the type of the boiler 1 is not particularly limited, either a circulating fluidized bed boiler or another type of boiler may be used.
  • One horizontal direction is an X-axis direction
  • a horizontal direction orthogonal to the X-axis direction is a Y-axis direction
  • a vertical direction is a Z-axis direction.
  • the left side in FIG. 2 is the X axis positive side
  • the front side is the Y axis positive side
  • the upper side in the vertical direction is the Z axis positive side.
  • description may be made using the XYZ axes.
  • the heat exchanger 10 to be supported includes a heat exchange tube 11 through which a heat medium flows.
  • the heat exchange pipe 11 extends mainly in the X-axis direction, and as a whole shape of the heat exchanger 10, meanders a plurality of times so as to spread in the vertical direction.
  • the heat exchanger tube 11 mainly extends in the X-axis direction
  • the heat exchanger 10 mainly expands and contracts in the X-axis direction due to the influence of heat.
  • the heat exchanger 10 expands and contracts in the vertical direction (that is, the Z-axis direction).
  • the tip end portion on the negative side of the X-axis of the heat exchanger 10 faces the furnace wall W that forms the flow path 6 in a state of being separated in the X-axis direction.
  • the heat exchanger support structure 100 includes a support member 50 that supports the heat exchanger 10 in the flow path 6. That is, the support member 50 is disposed between the front end portion of the heat exchanger 10 and the furnace wall W, and is connected to the heat exchanger 10 and the furnace wall tube 12 of the furnace wall W. As a result, the heat exchanger 10 is supported by the furnace wall tube 12 via the support member 50.
  • the support member 50 includes expansion / contraction permission members 20 ⁇ / b> A and 20 ⁇ / b> B that allow the heat exchanger 10 to expand and contract.
  • the expansion / contraction permission members 20 ⁇ / b> A and 20 ⁇ / b> B are spaced apart from each other in the vertical direction, and support the heat exchanger 10 on the upper side and the lower side, respectively.
  • the tip portion of the heat exchanger 10 on the negative side of the X-axis has an inclined portion 11a where the heat exchange tube 11 is inclined upward toward the positive side of the X-axis, and a horizontal portion from the lower end side of the inclined portion 11a toward the positive side of the X-axis. And a curved portion 11c connecting the inclined portion 11a and the horizontal portion 11b.
  • the upper expansion / contraction permission member 20A is connected to the inclined portion 11a.
  • the tip of the heat exchanger 10 on the negative side of the X-axis is an inclined portion 11d where the heat exchange tube 11 is inclined downward toward the positive side of the X-axis, and the upper end side of the inclined portion 11d is directed toward the positive side of the X-axis. And a horizontal portion 11e extending horizontally and a curved portion 11f connecting the inclined portion 11d and the horizontal portion 11e.
  • the lower expansion / contraction permission member 20B is connected to the inclined portion 11d.
  • the expansion / contraction permission member 20B includes a first member 21B connected to the heat exchanger 10 side and a second member 22B connected to the furnace wall tube (boiler structure) 12 side.
  • the second member 22B that is one member has a shape that receives the first member 21B that is the other member.
  • the second member 22B which is a member on the receiving side, forms a receiving portion by arranging a pair of plate-like members 23 and 24 to face each other.
  • the plate-like members 23 and 24 extend in the XZ-axis plane and face each other in parallel so as to be separated from each other in the Y-axis direction.
  • the plate-like members 23 and 24 are configured in the same shape when viewed from the Y-axis direction.
  • the plate-like members 23 and 24 have a trapezoidal shape in which the upper side 22a and the lower side 22b extend linearly in the X-axis direction when viewed from the Y-axis direction (state shown in FIG. 3A).
  • the side 22c on the negative side of the X-axis of the plate-like members 23, 24 extends linearly in the vertical direction and is connected to the furnace wall tube 12.
  • the side 22d on the X axis positive side of the plate-like members 23, 24 is inclined downward toward the X axis positive side.
  • the inclination angle of the side 22d with respect to the lower side 22b is not particularly limited, but may be set to about 46 to 52 °.
  • the side 22d of the plate-like members 23 and 24 may be inclined to the heat exchanger 10 at the same angle as the inclined portion 11d. As described above, the side 22d of the plate-like members 23 and 24 and the inclined portion 11d of the heat exchanger 10 are inclined so as to face each other, thereby preventing contact between the heat exchanger 10 and the second member 22B.
  • a connecting member 26 that extends in the Y-axis direction and connects the plate-like members 23, 24 is formed at the corner between the side 22 d and the lower side 22 b of the plate-like members 23, 24.
  • the end portion 26a of the connecting member 26 supports the first member 21B on the heat exchanger 10 side. Thereby, the lower second member 22B can support the heat exchanger 10 in the vertical direction.
  • the second member 22B which is a member on the receiving side, has openings 27 and 28 for removing foreign substances.
  • the plate-like members 23 and 24 are connected to each other at the connecting member 26 and the furnace wall tube 12, but are opened without being connected to each other at the upper side 22 a, the lower side 22 b, and the side side 22 d. . That is, the second member 22B has an opening 27 on the upper end side at the positions of the upper side 22a and the side side 22d. Further, the second member 22B has an opening 28 on the lower end side at the position of the lower side 22b. Therefore, when viewed from the top and bottom (the state shown in FIG.
  • the second member 22B has an opening 27 in a region surrounded by the plate-like members 23 and 24, the connection member 26, and the furnace wall tube 12. , 28 penetrate vertically. As described above, since the second member 22B penetrates the openings 27 and 28 in the vertical direction, even if a foreign substance enters between the plate-like members 23 and 24, the second member 22B is dropped from the lower opening 28 downward. This can be removed.
  • the first member 21 ⁇ / b> B that is a member on the insertion side is formed of a plate-like member 29.
  • the plate-like member 29 extends on the XZ axis plane.
  • the plate member 29 is inserted into a gap formed between the plate members 23 and 24 of the second member 22B. Thereby, the first member 21B is received by the second member 22B.
  • the plate-like member 29 can be inserted into the gap between the plate-like members 23 and 24 from the opening 27 in the side 22d of the second member 22B from the X-axis positive side toward the X-axis direction negative side.
  • the plate-like member 29 can be inserted into the gap between the plate-like members 23 and 24 from the upper side 22a and the side side 22d of the second member 22B from the opening 27 toward the lower side.
  • the size of the gap between the plate members 23 and 24 is slightly larger than the thickness of the plate member 29.
  • the plate-like member 29 has a substantially triangular shape when viewed from the Y-axis direction (state shown in FIG. 3A).
  • the X-axis positive side 21c is inclined downward toward the X-axis positive side.
  • the side 21c is connected to the inclined portion 11d of the heat exchanger 10.
  • the lower side 21b of the plate-like member 29 extends linearly in the X axis direction.
  • the X-axis negative side 21a is inclined upward toward the X-axis positive side.
  • the first member 21B which is a member on the insertion side, has a shape in which the tip end side on the X axis negative side is inclined with respect to the first insertion direction.
  • the upper inclined portion 11a and the expansion / contraction permission member 20A and the lower inclination portion 11d and the expansion / contraction permission member 20B have a vertically symmetrical shape. Therefore, description of the upper inclined portion 11a and the expansion / contraction permission member 20A is omitted.
  • the upper inclined portion 11 d is separated from the end portion 26 a of the connection member 26. Thereby, the first member 21A is movable in the vertical direction with respect to the second member 22B. Therefore, when the heat exchanger 10 expands and contracts in the vertical direction, the expansion and contraction is allowed.
  • FIG. 4 (a) is a perspective view showing the expansion / contraction permission member 20B before the boiler is started.
  • the first member 21B on the insertion side is inserted into the second member 22B on the receiving side and is received.
  • the tip end portion on the X-axis negative side of the first member 21B on the insertion side and the end portion on the X-axis negative side of the second member 22B on the receiving side that is, the portion connected to the furnace wall tube 12.
  • a predetermined amount of space is provided between.
  • a predetermined amount of space is also provided between the heat exchange pipe 11 and the end on the X axis positive side of the receiving-side second member 22B connected to the structure of the boiler 1 (furnace wall pipe 12). It has been.
  • FIG. 4B is a perspective view showing the expansion / contraction permission member 20B during boiler operation.
  • the temperature of the heat exchange tube 11 increases due to exposure to a high-temperature fluid, and the heat exchange tube 11 expands in the X-axis direction.
  • the temperature of the boiler structure furnace wall pipe 12
  • the deformation amount due to expansion is smaller than that of the heat exchanger 10.
  • the first member 21B on the insertion side moves relative to the negative side of the X axis with respect to the second member 22B on the receiving side.
  • the first member 21B on the insertion side is inserted deeper into the second member 22B on the receiving side and is received.
  • the X-axis negative side tip portion of the insertion-side first member 21B and the X-axis negative side end portion of the receiving-side second member 22B A state in which an interval is provided between them is maintained.
  • a state is also provided between the heat exchange pipe 11 and the end on the X axis positive side of the second member 22B on the receiving side connected to the structure of the boiler 1 (furnace wall pipe 12). Is maintained. That is, the heat exchanger 10 is allowed to expand and contract (here, expansion due to expansion).
  • FIG. 4C is a perspective view showing the expansion / contraction permission member 20B when the boiler is stopped.
  • the temperature of the heat exchanger 10 exposed to the high temperature fluid falls, and the heat exchange tube 11 contracts in the X-axis direction.
  • the amount of deformation due to contraction is smaller than that of the heat exchanger 10.
  • the first member 21B on the insertion side moves relative to the positive side of the X axis with respect to the second member 22B on the reception side, and moves in a direction of being pulled out from the second member 22B on the reception side.
  • the heat exchanger 10 contracts, the first member 21B on the insertion side is maintained in a state of being received by the second member 22B.
  • the heat exchanger 10 is allowed to expand and contract (here, contraction due to contraction).
  • the 1st member 21B is a heat exchanger. With the 10 contraction, it moves in the X axis positive side, that is, in the direction away from the foreign matter. Therefore, for example, it is avoided that the movement of the first member 21B to the X-axis positive side due to clogging of foreign matter is prevented, thereby preventing the compression force or the like from acting on the first member 21B.
  • the foreign material falls from the opening 28 of the 2nd member 22B because the 1st member 21B which supported the foreign material by the side 21a moves to the X-axis positive side. As a result, the foreign matter is removed from the second member 22B.
  • the effect described with reference to FIG. 4 can be obtained in the same manner with the upper expansion / contraction permission member 20A.
  • the support member 50 that supports the heat exchanger 10 in the flow path 6 includes the expansion / contraction permission members 20 ⁇ / b> A and 20 ⁇ / b> B that allow expansion and contraction of the heat exchanger 10. ing. Therefore, even if the heat exchanger 10 expands and contracts due to the influence of heat, the expansion and contraction permission members 20A and 20B of the support member 50 allow expansion and contraction of the heat exchanger, so that damage to the support member 50 is suppressed. Can do. As described above, damage to the support member 50 can be suppressed.
  • the expansion / contraction permission members 20A and 20B include the first members 21A and 21B connected to the heat exchanger 10 side and the second members connected to the boiler structure side. Members 22A and 22B.
  • the second member 22A, 22B which is one member, has a shape for receiving the first member 21A, 21B, which is the other member. It is. Thereby, the structure which accepts expansion-contraction can be easily formed by two member 21A, 22A and member 21B, 22B.
  • the second members 22A and 22B on the receiving side have openings 27 and 28 for removing foreign substances.
  • the foreign matter can be removed from the openings 27 and 28. Therefore, it is difficult for foreign matter to collect in the second members 22A and 22B on the receiving side. Even if it accumulates, it can be easily removed.
  • the receiving-side second members 22A and 22B form a receiving portion by arranging a pair of plate-like members 23 and 24 facing each other. ing. In this manner, by forming the receiving portion with the plate-like members 23 and 24, the receiving portion can be easily formed on the receiving-side second members 22A and 22B while having a simple structure. Further, since the second members 22A and 22B are constituted by plate-like members 23 and 24, as shown in FIG. 3B, the second members 22A and 22B are moved upward, that is, from the direction in which the fluid flows. When viewed, the area (contact area with the fluid) can be reduced as much as possible.
  • 2nd member 22A, 22B can suppress that the flow of a fluid is inhibited by 2nd member 22A, 22B. Moreover, when the 2nd members 22A and 22B are comprised with the plate-shaped members 23 and 24, the intensity
  • the first members 21A and 21B on the insertion side are formed of plate-like members 29.
  • the first members 21A and 21B on the insertion side can also have a simple structure.
  • the first members 21A and 21B are constituted by the plate-like member 29, the first members 21A and 21B are viewed from above, that is, from the direction in which the fluid flows, as shown in FIG. Time area (contact area with the fluid) can be reduced as much as possible. Therefore, it can suppress that the flow of a fluid is inhibited by the 1st members 21A and 21B.
  • the first members 21A and 21B are configured by the plate-shaped member 29, the strength as a structure can be sufficiently ensured while having a simple configuration as described above.
  • the first members 21A and 21B on the insertion side have a shape in which the tip end side is inclined with respect to the insertion direction.
  • the front end side of the first members 21A and 21B on the insertion side is inclined with respect to the insertion direction. Can be scraped.
  • a set of the first member and the second member that are opposed in the horizontal direction is provided at a plurality of locations in the vertical direction (in the above-described embodiment, the members 21A and 22A).
  • the second member 22A, 22B on the receiving side can also receive the first member 21A, 22B on the insertion side in the vertical direction.
  • the second members 22A and 22B on the receiving side receive the first members 21A and 21B on the insertion side in the vertical direction.
  • the expansion and contraction in the vertical direction can be allowed.
  • the upper first member 21A is spaced downward from the end 26a of the connection member 26 of the second member 22A. Further, when the heat exchanger 10 expands, even if the first member 21A moves upward, the upper first member 21A is separated downward from the end portion 26a of the connection member 26 of the second member 22A. Maintained. Thereby, the expansion-contraction to the up-down direction of the heat exchanger 10 is accept
  • the second members 22A and 22B on the receiving side are on the insertion side.
  • the first members 21A and 21B can be received in the facing direction in which the first members 21A and 21B and the second members 22A and 22B face each other.
  • the second members 22A and 22B on the receiving side receive the first members 21A and 21B on the insertion side in the opposite direction.
  • expansion and contraction in the facing direction can be allowed.
  • the present invention is not limited to the embodiment described above.
  • the expansion / contraction permission member 40B of the support member 50 shown in FIG. 5 includes a first member 41B on the insertion side and a second member 42B on the receiving side.
  • the first member 41B includes a bar-shaped member 44 extending in the vertical direction, a connection member 43 that connects the bar-shaped member 44 and the inclined portion 11d of the heat exchange tube 11, and a retaining member that is attached to the lower end side of the bar-shaped member 44.
  • the second member 42B includes a plate 47 that protrudes from the furnace wall tube 12 to the X axis positive side.
  • the plate 47 is a plate-like member spreading on the XY axis plane, and a long hole 48 through which the rod-like member 44 is inserted is formed.
  • the long hole 48 is a through-hole penetrating the plate 47 in the vertical direction, and extends in the X-axis direction.
  • the rod-shaped member 44 is supported at the upper end by the connection member 43 and extends downward to be inserted into the through hole of the plate 47. Further, a retaining member 46 is provided at the lower end of the rod-shaped member 44 below the plate 47.
  • the width of the long hole 48 of the plate 47 in the Y-axis direction is substantially the same as the diameter of the rod-shaped member 44 (however, slight rattling is allowed).
  • the long hole 48 restricts the movement of the first member 41B in the Y-axis direction.
  • the long hole 48 is set to a length that allows the rod-shaped member 44 to move in the X-axis direction accompanying expansion of the heat exchanger 10.
  • the expansion / contraction permission member 40 ⁇ / b> B shown in FIG. 5 is also configured to allow expansion and contraction of the heat exchanger 10.
  • the plate 47 has a larger contact area with the fluid when viewed from above compared to the second member 22B shown in FIG. In addition, you may provide the expansion-contraction permission member 40B shown in FIG.
  • the expansion / contraction permission member 60B of the support member 50 shown in FIG. 6 includes a first member 61B on the insertion side and a second member 62B on the reception side.
  • the first member 61B includes a rod-like member 63 that extends in the X-axis direction.
  • the second member 62B includes a bracket 64 that protrudes from the furnace wall tube 12 toward the X axis positive side.
  • the bracket 64 is formed with an insertion hole 66 extending from the distal end surface on the X axis positive side to the X axis negative side.
  • the rod-like member 63 is inserted into the insertion hole 66 of the bracket 64 at the tip end portion on the X-axis negative side.
  • the inner diameter of the insertion hole 66 is substantially the same as the diameter of the rod-shaped member 63 (however, slight rattling is allowed). Accordingly, the insertion hole 66 restricts the movement of the first member 61B in the Y-axis direction and the vertical direction.
  • the insertion hole 66 is set to a depth that allows the rod-shaped member 63 to move in the X-axis direction as the heat exchanger 10 expands.
  • the expansion / contraction permission member 60 ⁇ / b> B shown in FIG. 6 is also configured to allow expansion and contraction of the heat exchanger 10. Note that the bracket 64 has a larger contact area with the fluid when viewed from above compared to the second member 22B shown in FIG.
  • the expansion / contraction permission member 60 ⁇ / b> B shown in FIG. 6 may take time and effort to absorb the displacement in the Y-axis direction and the vertical direction during installation with the clearance between the rod-shaped member 63 and the insertion hole 66. Note that the expansion / contraction permission member 60 ⁇ / b> B shown in FIG. 6 may be provided on the upper side of the heat exchanger 10.
  • a spring member or a bellows-like member extending in the X-axis direction may be provided so as to be connected to the heat exchanger 10 and the boiler structure. These members can also allow expansion and contraction of the heat exchanger 10 in the X-axis direction.
  • the first member on the heat exchanger 10 side is a member on the insertion side
  • the second member on the boiler structure side is a member on the receiving side
  • the first member on the heat exchanger 10 side may be a receiving member
  • the second member on the boiler structure side may be an insertion side member.
  • two sets of the first member and the second member are provided in the vertical direction. However, one set may be provided, or three or more sets may be provided.
  • the structure of the plate-shaped member which comprises a 1st member and a 2nd member is not specifically limited.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

A heat exchanger support structure for a boiler comprising a reaction furnace and a heat exchanger provided in a flow channel for a fluid supplied from the reaction furnace, wherein the heat exchanger support structure comprises a support member that supports the heat exchanger in the flow channel, and the support member comprises an expansion and contraction tolerance member that allows the heat exchanger to expand and contract.

Description

熱交換器支持構造Heat exchanger support structure
　本発明は、熱交換器支持構造に関する。 The present invention relates to a heat exchanger support structure.
　従来のボイラとして、反応炉と、反応炉から供給される流動物の流路内に設けられる熱交換器と、を備えるボイラが知られている（例えば、特許文献１参照）。このボイラには、熱交換器を流路内に支持するための支持部材を備える熱交換器支持構造が設けられる。 As a conventional boiler, there is known a boiler including a reaction furnace and a heat exchanger provided in a flow path of a fluid supplied from the reaction furnace (for example, see Patent Document 1). The boiler is provided with a heat exchanger support structure including a support member for supporting the heat exchanger in the flow path.
特開平２００８－２２４１８４号公報Japanese Patent Laid-Open No. 2008-224184
　上述したような熱交換器支持構造では、熱の影響によって熱交換器が伸縮することにより、部材間に圧縮力等が作用することで、熱交換器支持構造の支持部材にダメージが発生する場合があった。従って、支持部材へのダメージを抑制することができる熱交換器支持構造が要請されていた。 In the heat exchanger support structure as described above, when the heat exchanger expands and contracts due to the influence of heat, a compressive force or the like acts between the members, causing damage to the support member of the heat exchanger support structure. was there. Therefore, a heat exchanger support structure that can suppress damage to the support member has been demanded.
　本発明は、支持部材へのダメージを抑制できる熱交換器支持構造を提供することを目的とする。 An object of the present invention is to provide a heat exchanger support structure capable of suppressing damage to the support member.
　本発明の一形態に係る熱交換器支持構造は、反応炉と、反応炉から供給される流動物の流路内に設けられる熱交換器と、を備えるボイラの熱交換器支持構造であって、熱交換器を流路内に支持する支持部材を備え、支持部材は、熱交換器の伸縮を許容する伸縮許容部材を備えている。 A heat exchanger support structure according to an embodiment of the present invention is a boiler heat exchanger support structure including a reaction furnace and a heat exchanger provided in a flow path of a fluid supplied from the reaction furnace. The heat exchanger includes a support member that supports the heat exchanger in the flow path, and the support member includes an expansion / contraction permission member that allows expansion and contraction of the heat exchanger.
　熱交換器支持構造は、熱交換器を流路内に支持する支持部材は、熱交換器の伸縮を許容する伸縮許容部材を備えている。従って、熱の影響によって熱交換器が伸縮した場合であっても、支持部材の伸縮許容部材が熱交換器の伸縮を許容するため、支持部材へのダメージを抑制することができる。以上より、支持部材へのダメージを抑制できる。 In the heat exchanger support structure, the support member that supports the heat exchanger in the flow path includes an expansion / contraction permission member that allows expansion and contraction of the heat exchanger. Therefore, even when the heat exchanger expands and contracts due to the influence of heat, the expansion / contraction permission member of the support member allows expansion and contraction of the heat exchanger, and thus damage to the support member can be suppressed. As described above, damage to the support member can be suppressed.
　熱交換器支持構造において、伸縮許容部材は、熱交換器側に接続される第１の部材と、ボイラの構造物側に接続される第２の部材と、を備え、第１の部材及び第２の部材のうち、一方の部材は他方の部材を受容する形状を有していてよい。これにより、二つの部材を用いることによって、伸縮を許容する構成を簡易に形成することができる。 In the heat exchanger support structure, the expansion / contraction permission member includes a first member connected to the heat exchanger side and a second member connected to the structure side of the boiler, the first member and the first member Of the two members, one member may have a shape for receiving the other member. Thereby, the structure which accepts expansion-contraction can be simply formed by using two members.
　熱交換器支持構造において、第１の部材及び第２の部材のうちの受容側の部材は、異物除去用の開口を有していてよい。これにより、受容側の部材に異物が入り込んだとしても、開口から異物を除去できるため、受容側の部材に異物が溜り難く、異物が貯まったとしても、容易に除去することができる。 In the heat exchanger support structure, the receiving member of the first member and the second member may have an opening for removing foreign matter. As a result, even if foreign matter enters the receiving side member, the foreign matter can be removed from the opening. Therefore, it is difficult for foreign matter to accumulate in the receiving side member, and even if foreign matter accumulates, it can be easily removed.
　熱交換器支持構造において、第１の部材及び第２の部材のうちの受容側の部材は、一対の板状部材が互いに対向して配置されることによって、受容部を形成していてよい。このように、板状部材で受容部を形成することで、簡易な構造でありながら、受容側の部材に容易に受容部を形成することができる。 In the heat exchanger support structure, the receiving-side member of the first member and the second member may form a receiving portion by arranging a pair of plate-like members facing each other. Thus, by forming the receiving portion with a plate-like member, the receiving portion can be easily formed on the receiving-side member with a simple structure.
　熱交換器支持構造において、第１の部材及び第２の部材のうちの挿入側の部材は、板状部材で形成されていてよい。これにより、挿入側の部材も簡易な構造とすることができる。 In the heat exchanger support structure, the member on the insertion side of the first member and the second member may be formed of a plate-like member. Thereby, the member on the insertion side can also have a simple structure.
　熱交換器支持構造において、第１の部材及び第２の部材のうちの挿入側の部材は、先端部側が挿入方向に対して傾斜する形状を有していてよい。これにより、受容側の部材に異物が堆積されていたとしても、挿入側の部材の先端部側が、挿入方向に対して傾斜しているため、異物を掻き出すことができる。 In the heat exchanger support structure, the insertion-side member of the first member and the second member may have a shape in which the tip end side is inclined with respect to the insertion direction. As a result, even if foreign matter is accumulated on the receiving member, the distal end side of the insertion member is inclined with respect to the insertion direction, so that the foreign matter can be scraped out.
　熱交換器支持構造において、水平方向に対向する第１の部材及び第２の部材の組は、上下方向の複数個所に設けられ、少なくとも一組の第１の部材及び第２の部材のうち、受容側の部材は、挿入側の部材を上下方向に受容可能である。これにより、熱交換器が上下方向へ伸縮した場合であっても、受容側の部材が挿入側の部材を上下方向に受容することで、当該上下方向への伸縮も許容することができる。 In the heat exchanger support structure, the set of the first member and the second member facing in the horizontal direction is provided at a plurality of locations in the vertical direction, and at least one of the first member and the second member of the set, The receiving member can receive the insertion member in the vertical direction. Thus, even when the heat exchanger expands and contracts in the vertical direction, the receiving side member receives the insertion side member in the vertical direction, so that the vertical expansion and contraction can be allowed.
　熱交換器支持構造において、水平方向に対向する第１の部材及び第２の部材において、受容側の部材は、挿入側の部材を、第１の部材及び第２の部材が対向する対向方向に受容可能であってよい。これにより、熱交換器が水平方向において第１の部材及び第２の部材が対向する対向方向へ伸縮した場合であっても、受容側の部材が挿入側の部材を対向方向へ受容することで、当該対向方向への伸縮も許容することができる。 In the heat exchanger support structure, in the first member and the second member that are opposed in the horizontal direction, the receiving member is the insertion member in the facing direction in which the first member and the second member are opposed. It may be acceptable. Thereby, even when the heat exchanger expands and contracts in the opposing direction in which the first member and the second member are opposed in the horizontal direction, the receiving-side member receives the insertion-side member in the opposing direction. The expansion and contraction in the facing direction can be allowed.
　本発明によれば、支持部材へのダメージを抑制できる。 According to the present invention, damage to the support member can be suppressed.
図１は、本発明の実施形態に係る熱交換器支持構造が適用されるボイラの構成を示す図である。 Drawing 1 is a figure showing the composition of the boiler to which the heat exchanger support structure concerning the embodiment of the present invention is applied. 図２は、図１のボイラに適用される、熱交換器支持構造の構成を示す側面図である。FIG. 2 is a side view showing a configuration of a heat exchanger support structure applied to the boiler of FIG. 図３（ａ）は、図２に示す熱交換器支持構造の拡大図であり、図３（ｂ）は、熱交換器支持構造を上方から見た拡大図である。Fig.3 (a) is an enlarged view of the heat exchanger support structure shown in FIG. 2, FIG.3 (b) is the enlarged view which looked at the heat exchanger support structure from upper direction. 図４（ａ），（ｂ），（ｃ）は、図２に示す熱交換器支持構造の作用・効果を説明するための図である。4 (a), 4 (b), and 4 (c) are diagrams for explaining the operation and effect of the heat exchanger support structure shown in FIG. 図５は、変形例に係る熱交換器支持構造の斜視図である。FIG. 5 is a perspective view of a heat exchanger support structure according to a modification. 図６（ａ）は、変形例に係る熱交換器支持構造の斜視図であり、図６（ｂ）は、変形例に係る熱交換器支持構造の部分断面図である。Fig.6 (a) is a perspective view of the heat exchanger support structure which concerns on a modification, FIG.6 (b) is a fragmentary sectional view of the heat exchanger support structure which concerns on a modification.
　本発明の実施形態について図面を参照して説明するが、以下の本実施形態は、本発明を説明するための例示であり、本発明を以下の内容に限定する趣旨ではない。説明において、同一要素又は同一機能を有する要素には同一符号を用いることとし、重複する説明は省略する。 Embodiments of the present invention will be described with reference to the drawings. However, the following embodiments are merely examples for explaining the present invention and are not intended to limit the present invention to the following contents. In the description, the same reference numerals are used for the same elements or elements having the same function, and redundant description is omitted.
　まず、図１を参照し、本実施形態の熱交換器支持構造が適用されるボイラの構成について説明する。図１は、本発明の実施形態に係る熱交換器支持構造が適用されるボイラの構成を示す図である。図１に示すように、ボイラ１は、縦長の筒形状をなして、内部に燃焼部３を有する反応炉２を備えている。また、ボイラ１は、反応炉２から供給される流動物が通過する連絡部４と、流動物をガスと固体粒子に分離する分離部５と、を備えている。なお、連絡部４及び分離部５は、流動物の流路６と称される場合がある。流路６内には、流動物と熱交換を行う熱交換器１０が設けられる。なお、熱交換器１０が設けられる流路６として、反応炉２の上側に設けられる連絡部４、及び連絡部４に連結される分離部５が例示されているが、熱交換器１０が設けられる位置は特に限定されない。例えば、反応炉２の下端付近の流路内に熱交換器１０が設けられてもよい。また、ボイラ１のタイプも特に限定されず、循環流動層ボイラであってもよく、他のタイプのボイラであってもよい。 First, a configuration of a boiler to which the heat exchanger support structure of the present embodiment is applied will be described with reference to FIG. Drawing 1 is a figure showing the composition of the boiler to which the heat exchanger support structure concerning the embodiment of the present invention is applied. As shown in FIG. 1, the boiler 1 includes a reaction furnace 2 having a vertically long cylindrical shape and having a combustion section 3 therein. The boiler 1 also includes a communication unit 4 through which the fluid supplied from the reaction furnace 2 passes, and a separation unit 5 that separates the fluid into gas and solid particles. The communication unit 4 and the separation unit 5 may be referred to as a fluid flow path 6. A heat exchanger 10 for exchanging heat with the fluid is provided in the flow path 6. In addition, as the flow path 6 in which the heat exchanger 10 is provided, the communication part 4 provided on the upper side of the reaction furnace 2 and the separation part 5 connected to the communication part 4 are illustrated, but the heat exchanger 10 is provided. The position where it is provided is not particularly limited. For example, the heat exchanger 10 may be provided in the flow path near the lower end of the reaction furnace 2. Moreover, the type of the boiler 1 is not particularly limited, either a circulating fluidized bed boiler or another type of boiler may be used.
　次に、図２～４を参照して、本実施形態に係る熱交換器支持構造１００について詳細に説明する。なお、一の水平方向をＸ軸方向とし、Ｘ軸方向と直交する水平方向をＹ軸方向とし、鉛直方向をＺ軸方向とする。図２における紙面左側をＸ軸正側とし、紙面表側をＹ軸正側とし、鉛直方向における上側をＺ軸正側とする。以降の説明においては、ＸＹＺ軸を用いて説明する場合がある。 Next, the heat exchanger support structure 100 according to the present embodiment will be described in detail with reference to FIGS. One horizontal direction is an X-axis direction, a horizontal direction orthogonal to the X-axis direction is a Y-axis direction, and a vertical direction is a Z-axis direction. The left side in FIG. 2 is the X axis positive side, the front side is the Y axis positive side, and the upper side in the vertical direction is the Z axis positive side. In the following description, description may be made using the XYZ axes.
　図２に示すように、支持対象となる熱交換器１０は、内部に熱媒体が流通する熱交換管１１を備えている。熱交換管１１は、主にＸ軸方向に延びており、熱交換器１０全体の形状として、上下方向に広がるように複数回蛇行している。このように、熱交換器１０は、主にＸ軸方向に熱交換管１１が延びるものであるため、熱の影響によってＸ軸方向に主に伸縮する。ただし、熱交換器１０は、上下方向（すなわちＺ軸方向）へも伸縮する。熱交換器１０のＸ軸負側の先端部分は、流路６を形成する炉壁Ｗと、Ｘ軸方向において離間した状態で対向している。 As shown in FIG. 2, the heat exchanger 10 to be supported includes a heat exchange tube 11 through which a heat medium flows. The heat exchange pipe 11 extends mainly in the X-axis direction, and as a whole shape of the heat exchanger 10, meanders a plurality of times so as to spread in the vertical direction. Thus, since the heat exchanger tube 11 mainly extends in the X-axis direction, the heat exchanger 10 mainly expands and contracts in the X-axis direction due to the influence of heat. However, the heat exchanger 10 expands and contracts in the vertical direction (that is, the Z-axis direction). The tip end portion on the negative side of the X-axis of the heat exchanger 10 faces the furnace wall W that forms the flow path 6 in a state of being separated in the X-axis direction.
　熱交換器支持構造１００は、熱交換器１０を流路６内に支持する支持部材５０を備えている。すなわち、支持部材５０は、熱交換器１０の先端部分と炉壁Ｗとの間に配置されると共に、熱交換器１０及び炉壁Ｗの炉壁管１２と接続されている。これによって、熱交換器１０は、支持部材５０を介して炉壁管１２に支持される。支持部材５０は、熱交換器１０の伸縮を許容する伸縮許容部材２０Ａ，２０Ｂを備えている。 The heat exchanger support structure 100 includes a support member 50 that supports the heat exchanger 10 in the flow path 6. That is, the support member 50 is disposed between the front end portion of the heat exchanger 10 and the furnace wall W, and is connected to the heat exchanger 10 and the furnace wall tube 12 of the furnace wall W. As a result, the heat exchanger 10 is supported by the furnace wall tube 12 via the support member 50. The support member 50 includes expansion / contraction permission members 20 </ b> A and 20 </ b> B that allow the heat exchanger 10 to expand and contract.
　図３に示すように、伸縮許容部材２０Ａ，２０Ｂは、上下方向に互いに離間して配置され、熱交換器１０を上側と下側でそれぞれ支持している。熱交換器１０のＸ軸負側の先端部分は、熱交換管１１がＸ軸正側へ向かって上方へ傾斜する傾斜部１１ａと、傾斜部１１ａの下端側からＸ軸正側へ向かって水平に延びる水平部１１ｂと、傾斜部１１ａと水平部１１ｂとを接続する湾曲部１１ｃと、を備えている。上側の伸縮許容部材２０Ａは、傾斜部１１ａに接続されている。また、熱交換器１０のＸ軸負側の先端部分は、熱交換管１１がＸ軸正側へ向かって下方へ傾斜する傾斜部１１ｄと、傾斜部１１ｄの上端側からＸ軸正側へ向かって水平に延びる水平部１１ｅと、傾斜部１１ｄと水平部１１ｅとを接続する湾曲部１１ｆと、を備えている。下側の伸縮許容部材２０Ｂは、傾斜部１１ｄに接続されている。このように、熱交換器１０に傾斜部１１ａ，１１ｄを設けることで、伸縮許容部材２０Ａ，２０Ｂを配置するためのスペースを確保することができる。 As shown in FIG. 3, the expansion / contraction permission members 20 </ b> A and 20 </ b> B are spaced apart from each other in the vertical direction, and support the heat exchanger 10 on the upper side and the lower side, respectively. The tip portion of the heat exchanger 10 on the negative side of the X-axis has an inclined portion 11a where the heat exchange tube 11 is inclined upward toward the positive side of the X-axis, and a horizontal portion from the lower end side of the inclined portion 11a toward the positive side of the X-axis. And a curved portion 11c connecting the inclined portion 11a and the horizontal portion 11b. The upper expansion / contraction permission member 20A is connected to the inclined portion 11a. The tip of the heat exchanger 10 on the negative side of the X-axis is an inclined portion 11d where the heat exchange tube 11 is inclined downward toward the positive side of the X-axis, and the upper end side of the inclined portion 11d is directed toward the positive side of the X-axis. And a horizontal portion 11e extending horizontally and a curved portion 11f connecting the inclined portion 11d and the horizontal portion 11e. The lower expansion / contraction permission member 20B is connected to the inclined portion 11d. As described above, by providing the heat exchanger 10 with the inclined portions 11a and 11d, a space for arranging the expansion / contraction permission members 20A and 20B can be secured.
　伸縮許容部材２０Ｂは、熱交換器１０側に接続される第１の部材２１Ｂと、炉壁管（ボイラの構造物）１２側に接続される第２の部材２２Ｂと、を備える。第１の部材２１Ｂ及び第２の部材２２Ｂのうち、一方の部材である第２の部材２２Ｂは他方の部材である第１の部材２１Ｂを受容する形状を有している。具体的には、受容側の部材である第２の部材２２Ｂは、一対の板状部材２３，２４が互いに対向して配置されることによって、受容部を形成している。 The expansion / contraction permission member 20B includes a first member 21B connected to the heat exchanger 10 side and a second member 22B connected to the furnace wall tube (boiler structure) 12 side. Of the first member 21B and the second member 22B, the second member 22B that is one member has a shape that receives the first member 21B that is the other member. Specifically, the second member 22B, which is a member on the receiving side, forms a receiving portion by arranging a pair of plate- like members 23 and 24 to face each other.
　板状部材２３，２４は、ＸＺ軸平面上に広がり、Ｙ軸方向において互いに離間するように、平行に対向している。また、板状部材２３，２４はＹ軸方向から見て同じ形状に構成されている。板状部材２３，２４は、Ｙ軸方向から見たときに（図３（ａ）に示す状態）上辺２２ａ及び下辺２２ｂがＸ軸方向に直線状に延びる台形形状をなしている。板状部材２３，２４のＸ軸負側の側辺２２ｃは、上下方向に直線状に延びて炉壁管１２に接続される。 The plate- like members 23 and 24 extend in the XZ-axis plane and face each other in parallel so as to be separated from each other in the Y-axis direction. The plate- like members 23 and 24 are configured in the same shape when viewed from the Y-axis direction. The plate- like members 23 and 24 have a trapezoidal shape in which the upper side 22a and the lower side 22b extend linearly in the X-axis direction when viewed from the Y-axis direction (state shown in FIG. 3A). The side 22c on the negative side of the X-axis of the plate- like members 23, 24 extends linearly in the vertical direction and is connected to the furnace wall tube 12.
　板状部材２３，２４のＸ軸正側の側辺２２ｄは、Ｘ軸正側へ向かって下方へ傾斜している。下辺２２ｂに対する側辺２２ｄの傾斜角度は特に限定されないが、４６～５２°程度に設定されてよい。また、板状部材２３，２４の側辺２２ｄは、熱交換器１０に傾斜部１１ｄと同角度で傾斜してもよい。このように、板状部材２３，２４の側辺２２ｄと熱交換器１０の傾斜部１１ｄが互いに対向するように傾斜することで、熱交換器１０と第２の部材２２Ｂとの接触が防止される。 The side 22d on the X axis positive side of the plate- like members 23, 24 is inclined downward toward the X axis positive side. The inclination angle of the side 22d with respect to the lower side 22b is not particularly limited, but may be set to about 46 to 52 °. Moreover, the side 22d of the plate- like members 23 and 24 may be inclined to the heat exchanger 10 at the same angle as the inclined portion 11d. As described above, the side 22d of the plate- like members 23 and 24 and the inclined portion 11d of the heat exchanger 10 are inclined so as to face each other, thereby preventing contact between the heat exchanger 10 and the second member 22B. The
　板状部材２３，２４の側辺２２ｄと下辺２２ｂとの間の角部には、Ｙ軸方向へ延びて、板状部材２３，２４同士を接続する接続部材２６が形成される。なお、下側の第２の部材２２Ｂにおいては、接続部材２６の端部２６ａは、熱交換器１０側の第１の部材２１Ｂを支持する。これにより、下側の第２の部材２２Ｂが、熱交換器１０を上下方向に支持することができる。 A connecting member 26 that extends in the Y-axis direction and connects the plate- like members 23, 24 is formed at the corner between the side 22 d and the lower side 22 b of the plate- like members 23, 24. In the second member 22B on the lower side, the end portion 26a of the connecting member 26 supports the first member 21B on the heat exchanger 10 side. Thereby, the lower second member 22B can support the heat exchanger 10 in the vertical direction.
　また、受容側の部材である第２の部材２２Ｂは、異物除去用の開口２７，２８を有している。板状部材２３，２４は、接続部材２６及び炉壁管１２において互いに接続されているが、上辺２２ａ、下辺２２ｂ、側辺２２ｄの部分においては互いに接続されることなく開口した状態となっている。すなわち、第２の部材２２Ｂは、上辺２２ａ及び側辺２２ｄの位置に上端側の開口２７を有している。また、第２の部材２２Ｂは、下辺２２ｂの位置に下端側の開口２８を有している。従って、上下方向から見たとき（図３（ｂ）に示す状態）、第２の部材２２Ｂは、板状部材２３，２４、接続部材２６、及び炉壁管１２に取り囲まれる領域において、開口２７，２８によって上下方向へ貫通している。このように、第２の部材２２Ｂは、開口２７，２８によって、上下方向に貫通しているため、板状部材２３，２４の間に異物が入り込んでも、下側の開口２８から下方へ落下させることで、除去することができる。 The second member 22B, which is a member on the receiving side, has openings 27 and 28 for removing foreign substances. The plate- like members 23 and 24 are connected to each other at the connecting member 26 and the furnace wall tube 12, but are opened without being connected to each other at the upper side 22 a, the lower side 22 b, and the side side 22 d. . That is, the second member 22B has an opening 27 on the upper end side at the positions of the upper side 22a and the side side 22d. Further, the second member 22B has an opening 28 on the lower end side at the position of the lower side 22b. Therefore, when viewed from the top and bottom (the state shown in FIG. 3B), the second member 22B has an opening 27 in a region surrounded by the plate- like members 23 and 24, the connection member 26, and the furnace wall tube 12. , 28 penetrate vertically. As described above, since the second member 22B penetrates the openings 27 and 28 in the vertical direction, even if a foreign substance enters between the plate- like members 23 and 24, the second member 22B is dropped from the lower opening 28 downward. This can be removed.
　挿入側の部材である第１の部材２１Ｂは、板状部材２９で形成されている。板状部材２９は、ＸＺ軸平面上に広がっている。板状部材２９は、第２の部材２２Ｂの板状部材２３，２４間に形成される隙間に挿入される。これにより、第１の部材２１Ｂが第２の部材２２Ｂに受容される。板状部材２９は、第２の部材２２Ｂの側辺２２ｄにおける開口２７から、Ｘ軸正側からＸ軸方向負側へ向かって、板状部材２３，２４間の隙間に挿入可能である。また、板状部材２９は、第２の部材２２Ｂの上辺２２ａ及び側辺２２ｄにおける開口２７から、上側から下側へ向かって、板状部材２３，２４間の隙間に挿入可能である。なお、板状部材２３，２４間の隙間の大きさは、板状部材２９の厚さよりも僅かに大きい。 The first member 21 </ b> B that is a member on the insertion side is formed of a plate-like member 29. The plate-like member 29 extends on the XZ axis plane. The plate member 29 is inserted into a gap formed between the plate members 23 and 24 of the second member 22B. Thereby, the first member 21B is received by the second member 22B. The plate-like member 29 can be inserted into the gap between the plate- like members 23 and 24 from the opening 27 in the side 22d of the second member 22B from the X-axis positive side toward the X-axis direction negative side. The plate-like member 29 can be inserted into the gap between the plate- like members 23 and 24 from the upper side 22a and the side side 22d of the second member 22B from the opening 27 toward the lower side. The size of the gap between the plate members 23 and 24 is slightly larger than the thickness of the plate member 29.
　板状部材２９は、Ｙ軸方向から見たときに（図３（ａ）に示す状態）略三角形状をなしている。Ｘ軸正側の側辺２１ｃは、Ｘ軸正側へ向かって下方へ傾斜する。側辺２１ｃは、熱交換器１０の傾斜部１１ｄに接続される。板状部材２９の下辺２１ｂは、Ｘ軸方向に直線状に延びる。Ｘ軸負側の側辺２１ａは、Ｘ軸正側へ向かって上方へ傾斜する。これによって、挿入側の部材である第１の部材２１Ｂは、Ｘ軸負側の先端部側が第１の挿入方向に対して傾斜する形状を有する。 The plate-like member 29 has a substantially triangular shape when viewed from the Y-axis direction (state shown in FIG. 3A). The X-axis positive side 21c is inclined downward toward the X-axis positive side. The side 21c is connected to the inclined portion 11d of the heat exchanger 10. The lower side 21b of the plate-like member 29 extends linearly in the X axis direction. The X-axis negative side 21a is inclined upward toward the X-axis positive side. Accordingly, the first member 21B, which is a member on the insertion side, has a shape in which the tip end side on the X axis negative side is inclined with respect to the first insertion direction.
　上側の傾斜部１１ａ及び伸縮許容部材２０Ａと、下側の傾斜部１１ｄ及び伸縮許容部材２０Ｂとは、上下対称な形状を有している。従って、上側の傾斜部１１ａ及び伸縮許容部材２０Ａの説明は省略する。なお、上側の傾斜部１１ｄは、接続部材２６の端部２６ａから離間している。これにより、第１の部材２１Ａは、第２の部材２２Ｂに対して上下方向へ移動可能である。従って、熱交換器１０が上下方向に伸縮した場合に、当該伸縮を許容する。 The upper inclined portion 11a and the expansion / contraction permission member 20A and the lower inclination portion 11d and the expansion / contraction permission member 20B have a vertically symmetrical shape. Therefore, description of the upper inclined portion 11a and the expansion / contraction permission member 20A is omitted. The upper inclined portion 11 d is separated from the end portion 26 a of the connection member 26. Thereby, the first member 21A is movable in the vertical direction with respect to the second member 22B. Therefore, when the heat exchanger 10 expands and contracts in the vertical direction, the expansion and contraction is allowed.
　次に、本実施形態に係る熱交換器支持構造１００の作用・効果について説明する。 Next, the operation and effect of the heat exchanger support structure 100 according to this embodiment will be described.
　図４（ａ）は、ボイラ起動前の伸縮許容部材２０Ｂを示す斜視図である。図４（ａ）に示すように、挿入側の第１の部材２１Ｂは、受容側の第２の部材２２Ｂに挿入されて受容された状態となっている。このとき、挿入側の第１の部材２１ＢのＸ軸負側の先端部分と、受容側の第２の部材２２ＢのＸ軸負側の端部（すなわち、炉壁管１２と接続される部分）との間には所定量の間隔が設けられている。また、ボイラ１の構造物（炉壁管１２）と接続されている受容側の第２の部材２２ＢのＸ軸正側の端部と熱交換管１１との間にも所定量の間隔が設けられている。 FIG. 4 (a) is a perspective view showing the expansion / contraction permission member 20B before the boiler is started. As shown in FIG. 4A, the first member 21B on the insertion side is inserted into the second member 22B on the receiving side and is received. At this time, the tip end portion on the X-axis negative side of the first member 21B on the insertion side and the end portion on the X-axis negative side of the second member 22B on the receiving side (that is, the portion connected to the furnace wall tube 12). A predetermined amount of space is provided between. A predetermined amount of space is also provided between the heat exchange pipe 11 and the end on the X axis positive side of the receiving-side second member 22B connected to the structure of the boiler 1 (furnace wall pipe 12). It has been.
　図４（ｂ）は、ボイラ運転時の伸縮許容部材２０Ｂを示す斜視図である。図４（ｂ）に示すように、高温の流動物に晒されることにより熱交換管１１の温度が高くなり、熱交換管１１がＸ軸方向に膨張する。一方、ボイラ構造物（炉壁管１２）は、流路中に配置される熱交換器１０に比して温度が高くならないため、熱交換器１０に比して膨張による変形量は小さい。これにより、挿入側の第１の部材２１Ｂは、受容側の第２の部材２２Ｂに対してＸ軸負側へ相対的に移動する。挿入側の第１の部材２１Ｂは、受容側の第２の部材２２Ｂに更に深く挿入されて受容された状態となる。ただし、熱交換器１０の膨張時であっても、挿入側の第１の部材２１ＢのＸ軸負側の先端部分と、受容側の第２の部材２２ＢのＸ軸負側の端部との間には間隔が設けられた状態が維持される。また、ボイラ１の構造物（炉壁管１２）と接続されている受容側の第２の部材２２ＢのＸ軸正側の端部と熱交換管１１との間にも間隔が設けられた状態が維持される。すなわち、熱交換器１０の伸縮（ここでは膨張による伸び）が許容される。これにより、熱交換器１０側の第１の部材２１Ｂ及びボイラ構造物側の第２の部材２２Ｂの何れにも、熱交換器１０の膨張に伴う圧縮力等が作用しないため、支持部材５０へのダメージを抑制できる。 FIG. 4B is a perspective view showing the expansion / contraction permission member 20B during boiler operation. As shown in FIG. 4 (b), the temperature of the heat exchange tube 11 increases due to exposure to a high-temperature fluid, and the heat exchange tube 11 expands in the X-axis direction. On the other hand, since the temperature of the boiler structure (furnace wall pipe 12) does not increase as compared with the heat exchanger 10 disposed in the flow path, the deformation amount due to expansion is smaller than that of the heat exchanger 10. As a result, the first member 21B on the insertion side moves relative to the negative side of the X axis with respect to the second member 22B on the receiving side. The first member 21B on the insertion side is inserted deeper into the second member 22B on the receiving side and is received. However, even during the expansion of the heat exchanger 10, the X-axis negative side tip portion of the insertion-side first member 21B and the X-axis negative side end portion of the receiving-side second member 22B A state in which an interval is provided between them is maintained. In addition, a state is also provided between the heat exchange pipe 11 and the end on the X axis positive side of the second member 22B on the receiving side connected to the structure of the boiler 1 (furnace wall pipe 12). Is maintained. That is, the heat exchanger 10 is allowed to expand and contract (here, expansion due to expansion). Thereby, since neither the first member 21 </ b> B on the heat exchanger 10 side nor the second member 22 </ b> B on the boiler structure side has a compressive force or the like associated with the expansion of the heat exchanger 10, the support member 50 is moved to. Can prevent damage.
　また、図４（ｂ）に示すように、流動物が流れるに伴って、第２の部材２２Ｂの板状部材２３，２４間に異物が堆積（あるいは前回の運転時に落下し切らなかった異物が残存）する場合がある。このとき、堆積した異物と、熱交換器１０の膨張に伴いＸ軸負側へ移動する第１の部材２１Ｂとが接触する場合がある。第１の部材２１ＢのＸ軸負側の先端部分は挿入方向（Ｘ軸方向）に傾斜している。従って、異物は、第１の部材２１ＢがＸ軸負側へ移動するに伴い、第１の部材２１Ｂの傾斜した部分（側辺２１ａ）に掻き上げられる。これにより、受容側の第２の部材２２Ｂの内部に堆積した異物と挿入側の第１の部材２１Ｂとが接触した際に、挿入側の第１の部材２１Ｂに圧縮力等が作用することを抑制できる。以上により、支持部材５０へのダメージを抑制できる。なお、第１の部材２１Ｂの傾斜した部分（側辺２１ａ）に異物が掻き上げられることで、第２の部材２２Ｂの板状部材２３，２４に異物が固まって付着していた場合であっても、第１の部材２１Ｂの掻き上げ作用によって異物が板状部材２３，２４から除去される。 Further, as shown in FIG. 4B, as the fluid flows, foreign matter accumulates between the plate- like members 23 and 24 of the second member 22B (or foreign matter that has not fallen completely during the previous operation). May remain). At this time, the accumulated foreign matter may come into contact with the first member 21 </ b> B moving to the X-axis negative side as the heat exchanger 10 expands. The distal end portion of the first member 21B on the X axis negative side is inclined in the insertion direction (X axis direction). Accordingly, the foreign matter is scraped up to the inclined portion (side 21a) of the first member 21B as the first member 21B moves to the X-axis negative side. Thereby, when the foreign matter accumulated inside the second member 22B on the receiving side comes into contact with the first member 21B on the insertion side, a compressive force or the like acts on the first member 21B on the insertion side. Can be suppressed. As described above, damage to the support member 50 can be suppressed. In addition, it is a case where the foreign material is solidified and adhered to the plate- like members 23 and 24 of the second member 22B because the foreign material is scraped up to the inclined portion (side 21a) of the first member 21B. In addition, the foreign matter is removed from the plate- like members 23 and 24 by the scraping action of the first member 21B.
　図４（ｃ）は、ボイラ停止時の伸縮許容部材２０Ｂを示す斜視図である。図４（ｃ）に示すように、高温の流動物に晒されていた熱交換器１０の温度が低下し、熱交換管１１がＸ軸方向に収縮する。一方、ボイラ構造物（炉壁管１２）は、流路中に配置される熱交換器１０に比して温度が高くならないため、熱交換器１０に比して収縮による変形量は小さい。これにより、挿入側の第１の部材２１Ｂは、受容側の第２の部材２２Ｂに対してＸ軸正側へ相対的に移動して、受容側の第２の部材２２Ｂから引き抜かれる方向へ移動する。ただし、熱交換器１０の収縮後、挿入側の第１の部材２１Ｂは、第２の部材２２Ｂに受容された状態が維持される。以上により、熱交換器１０の伸縮（ここでは収縮による縮み）が許容される。 FIG. 4C is a perspective view showing the expansion / contraction permission member 20B when the boiler is stopped. As shown in FIG.4 (c), the temperature of the heat exchanger 10 exposed to the high temperature fluid falls, and the heat exchange tube 11 contracts in the X-axis direction. On the other hand, since the temperature of the boiler structure (furnace wall pipe 12) does not become higher than that of the heat exchanger 10 arranged in the flow path, the amount of deformation due to contraction is smaller than that of the heat exchanger 10. As a result, the first member 21B on the insertion side moves relative to the positive side of the X axis with respect to the second member 22B on the reception side, and moves in a direction of being pulled out from the second member 22B on the reception side. To do. However, after the heat exchanger 10 contracts, the first member 21B on the insertion side is maintained in a state of being received by the second member 22B. As described above, the heat exchanger 10 is allowed to expand and contract (here, contraction due to contraction).
　また、図４（ｃ）に示すように、運転中に第２の部材２２Ｂの板状部材２３，２４間に異物が堆積している場合であっても、第１の部材２１Ｂは熱交換器１０の収縮に伴いＸ軸正側、すなわち異物から遠ざかる方向へ移動する。従って、例えば、異物の詰まりによって、第１の部材２１ＢのＸ軸正側への移動が妨げられることが回避され、それにより第１の部材２１Ｂに圧縮力等が作用することが回避される。なお、異物を側辺２１ａで支えていた第１の部材２１ＢがＸ軸正側へ移動することで、異物は第２の部材２２Ｂの開口２８から落下する。これによって、第２の部材２２Ｂ内から異物が除去される。なお、図４を用いて説明した効果は、上側の伸縮許容部材２０Ａでも同様に得られる。 Moreover, as shown in FIG.4 (c), even if the foreign material has accumulated between the plate-shaped members 23 and 24 of the 2nd member 22B during a driving | operation, the 1st member 21B is a heat exchanger. With the 10 contraction, it moves in the X axis positive side, that is, in the direction away from the foreign matter. Therefore, for example, it is avoided that the movement of the first member 21B to the X-axis positive side due to clogging of foreign matter is prevented, thereby preventing the compression force or the like from acting on the first member 21B. In addition, the foreign material falls from the opening 28 of the 2nd member 22B because the 1st member 21B which supported the foreign material by the side 21a moves to the X-axis positive side. As a result, the foreign matter is removed from the second member 22B. The effect described with reference to FIG. 4 can be obtained in the same manner with the upper expansion / contraction permission member 20A.
　以上より、本実施形態に係る熱交換器支持構造１００において、熱交換器１０を流路６内に支持する支持部材５０は、熱交換器１０の伸縮を許容する伸縮許容部材２０Ａ，２０Ｂを備えている。従って、熱の影響によって熱交換器１０が伸縮した場合であっても、支持部材５０の伸縮許容部材２０Ａ，２０Ｂが熱交換器の伸縮を許容するため、支持部材５０へのダメージを抑制することができる。以上より、支持部材５０へのダメージを抑制できる。 As described above, in the heat exchanger support structure 100 according to the present embodiment, the support member 50 that supports the heat exchanger 10 in the flow path 6 includes the expansion / contraction permission members 20 </ b> A and 20 </ b> B that allow expansion and contraction of the heat exchanger 10. ing. Therefore, even if the heat exchanger 10 expands and contracts due to the influence of heat, the expansion and contraction permission members 20A and 20B of the support member 50 allow expansion and contraction of the heat exchanger, so that damage to the support member 50 is suppressed. Can do. As described above, damage to the support member 50 can be suppressed.
　本実施形態に係る熱交換器支持構造１００において、伸縮許容部材２０Ａ，２０Ｂは、熱交換器１０側に接続される第１の部材２１Ａ，２１Ｂと、ボイラの構造物側に接続される第２の部材２２Ａ，２２Ｂと、を備える。第１の部材２１Ａ，２１Ｂ及び第２の部材２２Ａ，２２Ｂのうち、一方の部材である第２の部材２２Ａ，２２Ｂは他方の部材である第１の部材２１Ａ，２１Ｂを受容する形状を有していている。これにより、二つの部材２１Ａ，２２Ａ及び部材２１Ｂ，２２Ｂによって、伸縮を許容する構成を簡易に形成することができる。 In the heat exchanger support structure 100 according to the present embodiment, the expansion / contraction permission members 20A and 20B include the first members 21A and 21B connected to the heat exchanger 10 side and the second members connected to the boiler structure side. Members 22A and 22B. Of the first member 21A, 21B and the second member 22A, 22B, the second member 22A, 22B, which is one member, has a shape for receiving the first member 21A, 21B, which is the other member. It is. Thereby, the structure which accepts expansion-contraction can be easily formed by two member 21A, 22A and member 21B, 22B.
　本実施形態に係る熱交換器支持構造１００において、受容側の第２の部材２２Ａ，２２Ｂは、異物除去用の開口２７，２８を有している。これにより、受容側の第２の部材２２Ａ，２２Ｂに異物が入り込んだとしても、開口２７，２８から異物を除去できるため、受容側の第２の部材２２Ａ，２２Ｂに異物が溜り難く、異物が貯まったとしても、容易に除去することができる。 In the heat exchanger support structure 100 according to the present embodiment, the second members 22A and 22B on the receiving side have openings 27 and 28 for removing foreign substances. As a result, even if foreign matter enters the second members 22A and 22B on the receiving side, the foreign matter can be removed from the openings 27 and 28. Therefore, it is difficult for foreign matter to collect in the second members 22A and 22B on the receiving side. Even if it accumulates, it can be easily removed.
　本実施形態に係る熱交換器支持構造１００において、受容側の第２の部材２２Ａ，２２Ｂは、一対の板状部材２３，２４が互いに対向して配置されることによって、受容部を形成していている。このように、板状部材２３，２４で受容部を形成することで、簡易な構造でありながら、受容側の第２の部材２２Ａ，２２Ｂに容易に受容部を形成することができる。また、第２の部材２２Ａ，２２Ｂが板状部材２３，２４で構成されているため、図３（ｂ）に示すように、上方、すなわち流動物が流れる方向から第２の部材２２Ａ，２２Ｂを見たときにおける面積（流動物との接触面積）を極力低減することができる。従って、第２の部材２２Ａ，２２Ｂによって流動物の流れが阻害されることを抑制できる。また、板状部材２３，２４で第２の部材２２Ａ，２２Ｂを構成した場合、上述のように簡易な構成でありながら、構造物としての強度は十分に確保することができる。 In the heat exchanger support structure 100 according to the present embodiment, the receiving-side second members 22A and 22B form a receiving portion by arranging a pair of plate- like members 23 and 24 facing each other. ing. In this manner, by forming the receiving portion with the plate- like members 23 and 24, the receiving portion can be easily formed on the receiving-side second members 22A and 22B while having a simple structure. Further, since the second members 22A and 22B are constituted by plate- like members 23 and 24, as shown in FIG. 3B, the second members 22A and 22B are moved upward, that is, from the direction in which the fluid flows. When viewed, the area (contact area with the fluid) can be reduced as much as possible. Therefore, it can suppress that the flow of a fluid is inhibited by 2nd member 22A, 22B. Moreover, when the 2nd members 22A and 22B are comprised with the plate-shaped members 23 and 24, the intensity | strength as a structure is fully securable, although it is a simple structure as mentioned above.
　本実施形態に係る熱交換器支持構造１００において、挿入側の第１の部材２１Ａ，２１Ｂは、板状部材２９で形成されていている。これにより、挿入側の第１の部材２１Ａ，２１Ｂも簡易な構造とすることができる。また、第１の部材２１Ａ，２１Ｂが板状部材２９で構成されているため、図３（ｂ）に示すように、上方、すなわち流動物が流れる方向から第１の部材２１Ａ，２１Ｂを見たときにおける面積（流動物との接触面積）を極力低減することができる。従って、第１の部材２１Ａ，２１Ｂによって流動物の流れが阻害されることを抑制できる。また、板状部材２９で第１の部材２１Ａ，２１Ｂを構成した場合、上述のように簡易な構成でありながら、構造物としての強度は十分に確保することができる。 In the heat exchanger support structure 100 according to the present embodiment, the first members 21A and 21B on the insertion side are formed of plate-like members 29. Thereby, the first members 21A and 21B on the insertion side can also have a simple structure. Further, since the first members 21A and 21B are constituted by the plate-like member 29, the first members 21A and 21B are viewed from above, that is, from the direction in which the fluid flows, as shown in FIG. Time area (contact area with the fluid) can be reduced as much as possible. Therefore, it can suppress that the flow of a fluid is inhibited by the 1st members 21A and 21B. Further, when the first members 21A and 21B are configured by the plate-shaped member 29, the strength as a structure can be sufficiently ensured while having a simple configuration as described above.
　本実施形態に係る熱交換器支持構造１００において、挿入側の第１の部材２１Ａ，２１Ｂは、先端部側が挿入方向に対して傾斜する形状を有している。これにより、受容側の第２の部材２２Ａ，２２Ｂに異物が堆積されていたとしても、挿入側の第１の部材２１Ａ，２１Ｂの先端部側が、挿入方向に対して傾斜しているため、異物を掻き出すことができる。 In the heat exchanger support structure 100 according to the present embodiment, the first members 21A and 21B on the insertion side have a shape in which the tip end side is inclined with respect to the insertion direction. As a result, even if foreign matter is accumulated on the second members 22A and 22B on the receiving side, the front end side of the first members 21A and 21B on the insertion side is inclined with respect to the insertion direction. Can be scraped.
　本実施形態に係る熱交換器支持構造１００において、水平方向に対向する第１の部材及び第２の部材の組は、上下方向の複数個所に設けられ（上述の実施形態では、部材２１Ａ，２２Ａ及び部材２１Ｂ，２２Ｂの二組）、受容側の第２の部材２２Ａ，２２Ｂは、挿入側の第１の部材２１Ａ，２２Ｂを上下方向にも受容可能である。これにより、熱交換器１０が上下方向への伸縮した場合であっても、受容側の第２の部材２２Ａ，２２Ｂが挿入側の第１の部材２１Ａ，２１Ｂを上下方向に受容することで、当該上下方向への伸縮も許容することができる。本実施形態では、図３（ａ）に示すように、上側の第１の部材２１Ａが第２の部材２２Ａの接続部材２６の端部２６ａから下方へ離間している。また、熱交換器１０が膨張することで、第１の部材２１Ａが上方へ移動しても、上側の第１の部材２１Ａが第２の部材２２Ａの接続部材２６の端部２６ａから下方へ離間した状態が維持される。これにより、熱交換器１０の上下方向への伸縮が許容される。 In the heat exchanger support structure 100 according to the present embodiment, a set of the first member and the second member that are opposed in the horizontal direction is provided at a plurality of locations in the vertical direction (in the above-described embodiment, the members 21A and 22A). And the second member 22A, 22B on the receiving side can also receive the first member 21A, 22B on the insertion side in the vertical direction. Thereby, even when the heat exchanger 10 expands and contracts in the vertical direction, the second members 22A and 22B on the receiving side receive the first members 21A and 21B on the insertion side in the vertical direction. The expansion and contraction in the vertical direction can be allowed. In the present embodiment, as shown in FIG. 3A, the upper first member 21A is spaced downward from the end 26a of the connection member 26 of the second member 22A. Further, when the heat exchanger 10 expands, even if the first member 21A moves upward, the upper first member 21A is separated downward from the end portion 26a of the connection member 26 of the second member 22A. Maintained. Thereby, the expansion-contraction to the up-down direction of the heat exchanger 10 is accept | permitted.
　本実施形態に係る熱交換器支持構造１００において、水平方向に対向する第１の部材２１Ａ，２１Ｂ及び第２の部材２２Ａ，２２Ｂにおいて、受容側の第２の部材２２Ａ，２２Ｂは、挿入側の第１の部材２１Ａ，２１Ｂを、第１の部材２１Ａ，２１Ｂ及び第２の部材２２Ａ，２２Ｂが対向する対向方向に受容可能である。これにより、熱交換器１０が水平方向において対向方向へ伸縮した場合であっても、受容側の第２の部材２２Ａ，２２Ｂが挿入側の第１の部材２１Ａ、２１Ｂを対向方向へ受容することで、当該対向方向への伸縮も許容することができる。 In the heat exchanger support structure 100 according to the present embodiment, in the first members 21A and 21B and the second members 22A and 22B facing in the horizontal direction, the second members 22A and 22B on the receiving side are on the insertion side. The first members 21A and 21B can be received in the facing direction in which the first members 21A and 21B and the second members 22A and 22B face each other. Thereby, even when the heat exchanger 10 expands and contracts in the opposite direction in the horizontal direction, the second members 22A and 22B on the receiving side receive the first members 21A and 21B on the insertion side in the opposite direction. Thus, expansion and contraction in the facing direction can be allowed.
　本発明は、上述の実施形態に限定されるものではない。 The present invention is not limited to the embodiment described above.
　例えば、支持部材の伸縮許容部材の構造は上述の実施形態に限定されるものではない。例えば、図５に示す構成を採用してもよい。図５に示す支持部材５０の伸縮許容部材４０Ｂは、挿入側の第１の部材４１Ｂと、受容側の第２の部材４２Ｂと、を備えている。第１の部材４１Ｂは、上下方向に延びる棒状部材４４と、当該棒状部材４４と熱交換管１１の傾斜部１１ｄとを接続する接続部材４３と、棒状部材４４の下端側に取り付けられる抜け止め部材４６と、を備えている。第２の部材４２Ｂは、炉壁管１２からＸ軸正側へ突出するプレート４７を備えている。プレート４７は、ＸＹ軸平面上に広がる板状部材であり、棒状部材４４を挿通させるための長孔４８が形成されている。長孔４８は、プレート４７を上下方向に貫通する貫通孔であり、Ｘ軸方向に延びている。棒状部材４４は、上端部を接続部材４３で支持されると共に、下方へ延びてプレート４７の貫通孔に挿通される。また、棒状部材４４の下端には、プレート４７よりも下側に抜け止め部材４６が設けられている。プレート４７の長孔４８のＹ軸方向における幅は、棒状部材４４の直径と略同一（ただし、僅かながたつきは許容される）である。従って、長孔４８は、第１の部材４１ＢのＹ軸方向への移動を規制する。一方、長孔４８は、熱交換器１０の膨張に伴う棒状部材４４のＸ軸方向への移動を許容する範囲の長さに設定される。以上により、図５に示す伸縮許容部材４０Ｂも、熱交換器１０の伸縮を許容するように構成される。なお、プレート４７は、上方から見たときの流動物との接触面積が、図３に示す第２の部材２２Ｂに比して大きくなる。なお、図５に示す伸縮許容部材４０Ｂと上下対称な伸縮許容部材を熱交換器１０の上側に設けてもよい。 For example, the structure of the expansion / contraction permission member of the support member is not limited to the above-described embodiment. For example, the configuration shown in FIG. 5 may be adopted. The expansion / contraction permission member 40B of the support member 50 shown in FIG. 5 includes a first member 41B on the insertion side and a second member 42B on the receiving side. The first member 41B includes a bar-shaped member 44 extending in the vertical direction, a connection member 43 that connects the bar-shaped member 44 and the inclined portion 11d of the heat exchange tube 11, and a retaining member that is attached to the lower end side of the bar-shaped member 44. 46. The second member 42B includes a plate 47 that protrudes from the furnace wall tube 12 to the X axis positive side. The plate 47 is a plate-like member spreading on the XY axis plane, and a long hole 48 through which the rod-like member 44 is inserted is formed. The long hole 48 is a through-hole penetrating the plate 47 in the vertical direction, and extends in the X-axis direction. The rod-shaped member 44 is supported at the upper end by the connection member 43 and extends downward to be inserted into the through hole of the plate 47. Further, a retaining member 46 is provided at the lower end of the rod-shaped member 44 below the plate 47. The width of the long hole 48 of the plate 47 in the Y-axis direction is substantially the same as the diameter of the rod-shaped member 44 (however, slight rattling is allowed). Therefore, the long hole 48 restricts the movement of the first member 41B in the Y-axis direction. On the other hand, the long hole 48 is set to a length that allows the rod-shaped member 44 to move in the X-axis direction accompanying expansion of the heat exchanger 10. As described above, the expansion / contraction permission member 40 </ b> B shown in FIG. 5 is also configured to allow expansion and contraction of the heat exchanger 10. The plate 47 has a larger contact area with the fluid when viewed from above compared to the second member 22B shown in FIG. In addition, you may provide the expansion-contraction permission member 40B shown in FIG.
　また、図６に示す構成を採用してもよい。図６に示す支持部材５０の伸縮許容部材６０Ｂは、挿入側の第１の部材６１Ｂと、受容側の第２の部材６２Ｂと、を備えている。第１の部材６１Ｂは、Ｘ軸方向に延びる棒状部材６３を備えている。第２の部材６２Ｂは、炉壁管１２からＸ軸正側へ突出するブラケット６４を備えている。ブラケット６４には、Ｘ軸正側の先端面から、Ｘ軸負側へ延びる挿入穴６６が形成されている。棒状部材６３は、Ｘ軸負側の先端部分がブラケット６４の挿入穴６６に挿入されている。挿入穴６６の内径は、棒状部材６３の直径と略同一（ただし、僅かながたつきは許容される）である。従って、挿入穴６６は、第１の部材６１ＢのＹ軸方向及び上下方向への移動を規制する。挿入穴６６は、熱交換器１０の膨張に伴う棒状部材６３のＸ軸方向への移動を許容する範囲の深さに設定される。以上により、図６に示す伸縮許容部材６０Ｂも、熱交換器１０の伸縮を許容するように構成される。なお、ブラケット６４は、上方から見たときの流動物との接触面積が、図３に示す第２の部材２２Ｂに比して大きくなる。また、図６に示す伸縮許容部材６０Ｂは、据え付け時におけるＹ軸方向及び上下方向のずれを、棒状部材６３及び挿入穴６６のクリアランスで吸収しきるのに手間がかかる場合がある。なお、図６に示す伸縮許容部材６０Ｂと上下対称な伸縮許容部材を熱交換器１０の上側に設けてもよい。 Further, the configuration shown in FIG. 6 may be adopted. The expansion / contraction permission member 60B of the support member 50 shown in FIG. 6 includes a first member 61B on the insertion side and a second member 62B on the reception side. The first member 61B includes a rod-like member 63 that extends in the X-axis direction. The second member 62B includes a bracket 64 that protrudes from the furnace wall tube 12 toward the X axis positive side. The bracket 64 is formed with an insertion hole 66 extending from the distal end surface on the X axis positive side to the X axis negative side. The rod-like member 63 is inserted into the insertion hole 66 of the bracket 64 at the tip end portion on the X-axis negative side. The inner diameter of the insertion hole 66 is substantially the same as the diameter of the rod-shaped member 63 (however, slight rattling is allowed). Accordingly, the insertion hole 66 restricts the movement of the first member 61B in the Y-axis direction and the vertical direction. The insertion hole 66 is set to a depth that allows the rod-shaped member 63 to move in the X-axis direction as the heat exchanger 10 expands. As described above, the expansion / contraction permission member 60 </ b> B shown in FIG. 6 is also configured to allow expansion and contraction of the heat exchanger 10. Note that the bracket 64 has a larger contact area with the fluid when viewed from above compared to the second member 22B shown in FIG. Further, the expansion / contraction permission member 60 </ b> B shown in FIG. 6 may take time and effort to absorb the displacement in the Y-axis direction and the vertical direction during installation with the clearance between the rod-shaped member 63 and the insertion hole 66. Note that the expansion / contraction permission member 60 </ b> B shown in FIG. 6 may be provided on the upper side of the heat exchanger 10.
　また、伸縮許容部材として、熱交換器１０とボイラ構造物と連結するように、Ｘ軸方向へ延びるバネ部材や蛇腹状の部材を設けてもよい。これらの部材も、Ｘ軸方向における熱交換器１０の伸縮を許容できる。 Further, as the expansion / contraction permission member, a spring member or a bellows-like member extending in the X-axis direction may be provided so as to be connected to the heat exchanger 10 and the boiler structure. These members can also allow expansion and contraction of the heat exchanger 10 in the X-axis direction.
　なお、上述の実施形態及び変形例では、熱交換器１０側の第１の部材が挿入側の部材であり、ボイラ構造物側の第２の部材が受容側の部材であった。これに代えて、熱交換器１０側の第１の部材が受容側の部材であり、ボイラ構造物側の第２の部材が挿入側の部材であってもよい。また、上述の実施形態では、上下方向において、第１の部材及び第２の部材は、二組設けられていたが、一組であってもよく、三組以上であってもよい。また、図３に示す形態において、第１の部材及び第２の部材を構成する板状部材の構成は特に限定されない。 In the above-described embodiment and modification, the first member on the heat exchanger 10 side is a member on the insertion side, and the second member on the boiler structure side is a member on the receiving side. Instead, the first member on the heat exchanger 10 side may be a receiving member, and the second member on the boiler structure side may be an insertion side member. In the above-described embodiment, two sets of the first member and the second member are provided in the vertical direction. However, one set may be provided, or three or more sets may be provided. Moreover, in the form shown in FIG. 3, the structure of the plate-shaped member which comprises a 1st member and a 2nd member is not specifically limited.
　１…ボイラ、２…反応炉、６…流路、１０…熱交換器、２０Ａ，２０Ｂ，４０Ｂ，６０Ｂ…伸縮許容部材、２１Ａ，２１Ｂ，４１Ｂ，６１Ｂ…第１の部材、２２Ａ，２２Ｂ，４２Ｂ，６２Ｂ…第２の部材、２３，２４…板状部材、２７，２８…開口、２９…板状部材、１００…熱交換器支持構造。 DESCRIPTION OF SYMBOLS 1 ... Boiler, 2 ... Reactor, 6 ... Flow path, 10 ... Heat exchanger, 20A, 20B, 40B, 60B ... Expansion / contraction permission member, 21A, 21B, 41B, 61B ... First member, 22A, 22B, 42B , 62B ... second member, 23, 24 ... plate-like member, 27, 28 ... opening, 29 ... plate-like member, 100 ... heat exchanger support structure.

Claims (8)

  1. 　反応炉と、前記反応炉から供給される流動物の流路内に設けられる熱交換器と、を備えるボイラの熱交換器支持構造であって、
    　前記熱交換器を前記流路内に支持する支持部材を備え、
    　前記支持部材は、前記熱交換器の伸縮を許容する伸縮許容部材を備えている、熱交換器支持構造。     A boiler heat exchanger support structure comprising: a reaction furnace; and a heat exchanger provided in a flow path of a fluid supplied from the reaction furnace,
    A support member for supporting the heat exchanger in the flow path;
    The heat exchanger support structure, wherein the support member includes an expansion / contraction permission member that allows expansion and contraction of the heat exchanger.
  2. 　前記伸縮許容部材は、
    　　前記熱交換器側に接続される第１の部材と、
    　　前記ボイラの構造物側に接続される第２の部材と、を備え、
    　前記第１の部材及び前記第２の部材のうち、一方の部材は他方の部材を受容する形状を有している、請求項１に記載の熱交換器支持構造。     The stretchable member is
    A first member connected to the heat exchanger side;
    A second member connected to the structure side of the boiler,
    The heat exchanger support structure according to claim 1, wherein one of the first member and the second member has a shape that receives the other member.
  3. 　前記第１の部材及び前記第２の部材のうちの受容側の部材は、異物除去用の開口を有している、請求項２に記載の熱交換器支持構造。 The heat exchanger support structure according to claim 2, wherein the receiving member of the first member and the second member has an opening for removing foreign matter.
  4. 　前記第１の部材及び前記第２の部材のうちの受容側の部材は、一対の板状部材が互いに対向して配置されることによって、受容部を形成している、請求項２又は３に記載の熱交換器支持構造。 The receiving member of the first member and the second member forms a receiving portion by arranging a pair of plate-like members facing each other. The heat exchanger support structure as described.
  5. 　前記第１の部材及び前記第２の部材のうちの挿入側の部材は、板状部材で形成されている、請求項２～４の何れか一項に記載の熱交換器支持構造。 The heat exchanger support structure according to any one of claims 2 to 4, wherein an insertion-side member of the first member and the second member is formed of a plate-like member.
  6. 　前記第１の部材及び前記第２の部材のうちの挿入側の部材は、先端部側が挿入方向に対して傾斜する形状を有している、請求項２～５の何れか一項に記載の熱交換器支持構造。 6. The insertion side member of the first member and the second member has a shape in which a tip end side is inclined with respect to the insertion direction, according to any one of claims 2 to 5. Heat exchanger support structure.
  7. 　水平方向に対向する前記第１の部材及び前記第２の部材の組は、上下方向の複数個所に設けられ、
    　少なくとも一組の前記第１の部材及び前記第２の部材のうち、受容側の部材は、挿入側の部材を前記上下方向に受容可能である、請求項２～６の何れか一項に記載の熱交換器支持構造。     A set of the first member and the second member facing in the horizontal direction is provided at a plurality of locations in the vertical direction,
    The receiving member of at least one set of the first member and the second member is capable of receiving the inserting member in the vertical direction. Heat exchanger support structure.
  8. 　水平方向に対向する前記第１の部材及び前記第２の部材において、受容側の部材は、挿入側の部材を、前記第１の部材及び前記第２の部材が対向する対向方向に受容可能である、請求項２～７の何れか一項に記載の熱交換器支持構造。 In the first member and the second member facing in the horizontal direction, the receiving side member can receive the insertion side member in the facing direction in which the first member and the second member face each other. The heat exchanger support structure according to any one of claims 2 to 7, wherein:
PCT/JP2016/079298 2015-12-10 2016-10-03 Heat exchanger support structure WO2017098788A1 (en)

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PH12018501212A PH12018501212A1 (en) 2015-12-10 2018-06-07 Heat exchanger support structure

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Publication number Priority date Publication date Assignee Title
JPWO2022013972A1 (en) * 2020-07-15 2022-01-20

Citations (4)

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JPH035009U (en) * 1989-05-26 1991-01-18
JPH10238708A (en) * 1997-02-28 1998-09-08 Mitsubishi Heavy Ind Ltd Supporting device for boiler tube
JPH1137689A (en) * 1997-07-16 1999-02-12 Ishikawajima Harima Heavy Ind Co Ltd Support lug of heat conductive pipe
JP2008224184A (en) * 2007-03-15 2008-09-25 Babcock Hitachi Kk Suspension type heat transfer tube group and boiler device having this transfer tube group

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH035009U (en) * 1989-05-26 1991-01-18
JPH10238708A (en) * 1997-02-28 1998-09-08 Mitsubishi Heavy Ind Ltd Supporting device for boiler tube
JPH1137689A (en) * 1997-07-16 1999-02-12 Ishikawajima Harima Heavy Ind Co Ltd Support lug of heat conductive pipe
JP2008224184A (en) * 2007-03-15 2008-09-25 Babcock Hitachi Kk Suspension type heat transfer tube group and boiler device having this transfer tube group

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2022013972A1 (en) * 2020-07-15 2022-01-20
JP7345662B2 (en) 2020-07-15 2023-09-15 三菱電機株式会社 Heat exchangers and heat exchange ventilation systems

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JP2017106673A (en) 2017-06-15
MY192246A (en) 2022-08-10
PH12018501212A1 (en) 2019-01-28

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