JP2017187193A - Tubular body support unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tubular body support unit capable of suppressing deviation of a position of a tubular body inside a main body.SOLUTION: A tubular body support unit is configured such that a plurality of tubular bodies 12 are aligned so that the extension directions of the tubular bodies are made consistent to each other. The plurality of tubular bodies 12 includes a first tubular body group GA comprising a plurality of tubular bodies 12, and a second tubular body group GB comprising a plurality of tubular bodies 12 different from the first tubular body group GA. The tubular support body support unit includes a first support body 20A supporting the first tubular body group GA, and a second support body 20B supporting the second tubular body group GB and a part of the first tubular body group.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a tubular body support unit for supporting a plurality of tubular bodies located inside a main pipe.

  Waste water flowing out from facilities such as factories is discharged to a discharge destination such as a treatment plant through a main pipe such as a sewer pipe. In recent years, as a technique for reusing energy discharged from a facility or the like, a technique for transferring the amount of heat of wastewater to another medium has been developed. When the amount of heat of the drainage is transmitted, for example, a plurality of tubular bodies are arranged inside the main pipe, and a medium for receiving the amount of heat is caused to flow inside each tubular body (for example, see Patent Document 1).

Japanese Patent Laying-Open No. 2015-218984

By the way, each tubular body located inside the main pipe is pressed by the drainage flowing through the inside of the main pipe and moves in various directions such as the direction of drainage and the direction based on the shape of the tubular body. Since the displacement of the position of the tubular body due to such pressing reduces the efficiency of heat transfer, and consequently the efficiency of energy reuse, in the above-described technique, the position of each tubular body is displaced within the main pipe. There is a demand for technology to suppress this.
An object of this invention is to provide the tubular body support unit which enabled it to suppress the shift | offset | difference of the position of a tubular body inside a main pipe.

  A tubular body support unit for solving the above-mentioned problem is a tubular body support unit that supports a plurality of tubular bodies located inside a main pipe inside the main pipe, and exchanges heat with a medium flowing through the main pipe. It is a tubular body support unit which aligns the extending direction of each of the plurality of tubular bodies for flowing other media. The plurality of tubular bodies include a first tubular body group composed of a plurality of tubular bodies and a second tubular body group composed of a plurality of tubular bodies different from the first tubular body group, The body support unit includes a second support body that supports the second tubular body group, and a first support body that supports the first tubular body group and a part of the second tubular body group.

  According to the tubular body support unit, the first tubular body group and the second tubular body group are separately pressed from the medium flowing inside the main pipe. At this time, the force received by the first tubular body group is distributed to the second tubular body group through the first support, and the force received by the second tubular body group is applied to the first tubular body group through the first support. scatter. In addition, the direction of the force received by the first tubular body group and the direction of the force received by the second tubular body group are difficult to completely coincide with each other and may cancel each other. As a result, it is possible to suppress the displacement of the position of the first tubular body group due to the force received by the first tubular body group and the displacement of the position of the second tubular body group due to the force received by the second tubular body group. Become.

In the tubular body support unit, the tubular body support unit may include a fitting portion that fits into a recess in the inner surface of the main pipe.
According to the tubular body support unit, the fitting portion of the tubular body support unit is fitted into the recess in the inner surface of the main pipe, thereby suppressing the displacement of the tubular body support unit with respect to the main pipe. In addition, as described above, since the displacement of these positions is suppressed by the cooperation of the first support body and the second support body, the load that the fitting portion receives in order to suppress the displacement of the tubular body support unit is also increased. It can also be reduced.

  In the tubular body support unit, the second tubular body group includes a boundary tubular body that is a tubular body adjacent to the first tubular body group among the plurality of tubular bodies, and the first support body includes the first tubular body. One tubular body group and the boundary tubular body may be supported.

  According to the tubular body support unit, the first tubular body group supported by the first support body is easily displaced as a group of tubular bodies, and the second tubular body group supported by the second support body is also It is easy to displace as a bundle of tubular bodies. At this time, among the sets of adjacent tubular bodies, a set having a large displacement between the tubular bodies is a first tubular body group supported by the first support body and a second support body supported by the second support body. It is a set straddling a tubular body group. According to the above configuration, since both the first support body and the second support body support the common boundary tubular body, they are displaced in a set straddling the first tubular body group and the second tubular body group. Can be suitably suppressed.

In the tubular body support unit, the position of the first support body and the position of the second support body may be different from each other in the extending direction of the tubular body.
According to the tubular body support unit, since the position of the first support body and the position of the second support body are different from each other in the extending direction of the tubular body, they are common to the first support body and the second support body. It becomes easy to support a tubular body by these.

In the tubular body support unit, the first support body includes a plurality of support portions for supporting the tubular bodies one by one, and the second support body is for supporting the tubular bodies one by one. A plurality of support parts may be provided, and the number of support parts provided in the first support body may be equal to the number of support parts provided in the second support body.
According to the tubular body support unit, the same structure can be adopted for the first support body and the second support body.

  According to the present invention, it is possible to suppress the displacement of the position of the tubular body inside the main pipe.

The top view which shows the planar structure in one Embodiment which actualized the tubular body support unit of this invention with the cross-section of a main pipe. The block diagram which shows the positional relationship of the support body with which the tubular body support unit in one Embodiment is provided, and the tubular body group which it supports. The block diagram which shows the positional relationship of each support body and the tubular body group which it supports in the tubular body support unit of a modification. The block diagram which shows the positional relationship of each support body and the tubular body group which it supports in the tubular body support unit of a modification. The block diagram which shows the positional relationship of each support body and the tubular body group which it supports in the tubular body support unit of a modification. The block diagram which shows the structure of the support body holding | maintenance part in the tubular body support unit of a modification.

A tubular body support unit according to an embodiment will be described with reference to FIGS. 1 and 2.
As shown in FIG. 1, the main pipe 10 is composed of a first main pipe 10A having a circular tube shape and a second main pipe 10B having a circular tube shape. The second end portion 10B1, which is an end portion in the extending direction of the second main pipe 10B, has a diameter expanded toward the first main pipe 10A, and is an end portion in the extending direction of the first main pipe 10A. The first end 10A1 is inserted into the second end 10B1 of the second main pipe 10B. Between the first end portion 10 </ b> A <b> 1 and the second end portion 10 </ b> B <b> 1, a gap 10 </ b> S vacating in the extending direction of the main pipe is formed in almost the entire circumferential direction of the main pipe 10.

  A support holder 11 is fitted in the gap 10S between the first main pipe 10A and the second main pipe 10B. A gap 10S between the end surface of the first end portion 10A1 and the stepped surface of the second end portion 10B1 is a recess in the inner surface of the main pipe 10, and is formed in substantially the entire circumferential direction of the main pipe 10. The support body holder 11 is an annular body along the circumferential direction of the main pipe 10, and includes a fitting portion 11 </ b> A that fits into a gap 10 </ b> S that is a depression on the inner peripheral surface of the main pipe 10. By fitting the fitting portion 11 </ b> A into the gap 10 </ b> S of the main pipe 10, the displacement along the extending direction of the main pipe 10 is suppressed in the support body holder 11.

  A plurality of tubular bodies 12 extending along the extending direction of the main pipe 10 are positioned in the main pipe 10 so as to be parallel to each other. In the tubular bodies 12 adjacent to each other, the distal end portion of one tubular body 12 is connected to the distal end portion of the other tubular body 12 by a connecting member 13. Further, in the tubular bodies 12 adjacent to each other, the base end portion of one tubular body 12 is connected to the base end portion of the other tubular body 12 by a connecting member 13. Each connecting member 13 is a bent pipe that communicates the objects to be connected to each other. As described above, the tubular bodies 12 adjacent to each other are connected to the connecting member 13, whereby the tubular body group constituted by the plurality of tubular bodies 12 functions as one flow path through which the medium flows.

  The direction in which the tubular bodies 12 are arranged is the arrangement direction D of the tubular bodies 12. Among all the tubular bodies, the base end portion of the tubular body 12 located at one end in the arrangement direction D is connected to an introduction passage 14 extending to the outside of the main pipe 10. The tip of the tubular body 12 located at the other end in the arrangement direction D among all the tubular bodies 12 is connected to a lead-out pump P located outside the main pipe 10. The introduction passage 14 introduces the medium into the tubular body 12 to which it is connected. The lead-out pump P leads the medium from the tubular body 12 to which it is connected. The medium into which the introduction passage 14 is introduced passes through the tubular body group functioning as one passage, and during this time, heat is obtained from the medium flowing through the main pipe 10 and is led out by the lead-out pump P.

  The plurality of tubular bodies 12 positioned inside the main pipe 10 are supported by a plurality of supports 20 positioned inside the main pipe 10. The plurality of supports 20 are positioned on the support holder 11 via a fastening structure or a fitting structure between the support 20 and the support holder 11. The tubular body support unit includes the plurality of supports 20 and the support holder 11 described above.

  Hereinafter, the relationship between each support body 20 and the position of the tubular body 12 that it supports will be described with reference to FIG. In FIG. 2, for convenience of explaining the relationship between each support body 20 and the position of the tubular body 12 supported by the support body 20, the gap between the adjacent tubular bodies 12 is exaggerated and explained. The size of the gap difference in the fitting tubular body 12 is changed and schematically shown.

  As shown in FIG. 2, the plurality of tubular bodies 12 includes a first tubular body group GA composed of a plurality of first tubular bodies 12A and a second tubular body group GB composed of a plurality of second tubular bodies 12B. And a third tubular body group GC composed of a plurality of third tubular bodies 12C. Each of the first tubular body group GA, the second tubular body group GB, and the third tubular body group GC is a set of tubular bodies 12 that are continuous in the arrangement direction D of the tubular bodies 12.

  The plurality of supports 20 are a first support 20A that supports the first tubular body group GA, a second support 20B that supports the second tubular body group GB, and a third that supports the third tubular body group GC. It is comprised from the support body 20C. The second tubular body group GB includes a boundary tubular body 12BA (a tubular body 12 with dots in FIG. 2) which is a second tubular body 12B adjacent to the first tubular body group GA among the plurality of tubular bodies 12. . The third tubular body group GC includes a boundary tubular body 12CB (a tubular body 12 with dots in FIG. 2) which is a third tubular body 12C adjacent to the second tubular body group GB among the plurality of tubular bodies 12. .

  The first support 20A supports the boundary tubular body 12BA in addition to the first tubular body group GA, and the second support 20B supports the boundary tubular body 12CB in addition to the second tubular body group GB. To do. In other words, the boundary tubular body 12BA is supported by the first support body 20A and the second support body 20B, and the boundary tubular body 12CB is supported by the second support body 20B and the third support body 20C.

  Here, the first tubular body group GA and the second tubular body group GB are separately pressed from the medium flowing inside the main pipe 10. The force received by the first tubular body group GA is distributed to the second tubular body group GB through the first support body 20A, and the force received by the second tubular body group GB is first through the first support body 20A. Dispersed in the tubular body group GA. At this time, the direction of the force received by the first tubular body group GA and the direction of the force received by the second tubular body group GB are not completely coincident and may be offset each other. As a result, the position of the first tubular body group GA is deviated by the force received by the first tubular body group GA, and the position of the second tubular body group GB is restrained by the force received by the second tubular body group GB. It becomes possible.

  Similarly, the second tubular body group GB and the third tubular body group GC are separately pressed from the medium flowing inside the main pipe 10. The force received by the second tubular body group GB is distributed to the third tubular body group GC through the second support body 20B, and the force received by the third tubular body group GC is second through the second support body 20B. Dispersed in the tubular body group GB. Here again, the direction of the force received by the second tubular body group GB and the direction of the force received by the third tubular body group GC are difficult to match completely and may be offset each other. As a result, the position of the second tubular body group GB is displaced due to the force received by the second tubular body group GB, and the position of the third tubular body group GC is restrained from being displaced by the force received by the third tubular body group GC. It becomes possible.

  Further, the first tubular body group GA supported by the first support body 20 </ b> A is easily displaced as a group of tubular bodies 12. Further, the second tubular body group GB supported by the second support body 20B is easily displaced as a group of tubular bodies 12. Further, the third tubular body group GC supported by the third support body 20 </ b> C is easily displaced as a group of tubular bodies 12. Therefore, among the groups of two tubular bodies 12 adjacent to each other, a group having a large relative displacement between the tubular bodies 12 is a group straddling the first tubular body group GA and the second tubular body group GB. Yes, it is a set straddling the second tubular body group GB and the third tubular body group GC. In this regard, the assembly straddling the first tubular body group GA and the second tubular body group GB is supported by the first support body 20A, and the assembly straddling the second tubular body group GB and the third tubular body group GC. Is supported by the second support 20B. Therefore, the relative displacement within the assembly straddling the first tubular body group GA and the second tubular body group GB, and the assembly within the assembly straddling the second tubular body group GB and the third tubular body group GC. The relative displacement can be suitably suppressed.

  In addition, the structure which the support part for supporting the tubular body 12 one by one in each support body 20 may be, for example, a fitting groove into which the tubular body 12 is fitted, or the tubular body 12 is placed thereon. It may be a gap groove. Moreover, the structure which the support part for supporting the tubular body 12 one by one may be an insertion hole into which the tubular body 12 is inserted, or a structure in which the tubular body 12 is fastened to the main body of the support body 20. There may be.

  In the extending direction of the boundary tubular body 12BA, the position of the first support 20A and the position of the second support 20B are different from each other. Therefore, physical interference between the first support body 20A and the second support body 20B is suppressed, and the boundary tubular body 12BA common to the first support body 20A and the second support body 20B can be supported by these. It becomes easy. Further, the position of the second support 20B and the position of the third support 20C are different from each other in the extending direction of the boundary tubular body 12BA. Therefore, physical interference between the second support body 20B and the third support body 20C is suppressed, and the boundary tubular body 12CB common to the second support body 20B and the third support body 20C can be supported by these. It will be easy.

As mentioned above, according to the said embodiment, the effect enumerated below is acquired.
(1) Each tubular body group GA, GB, GC can be prevented from being displaced by receiving pressure from the medium.
(2) Since the fitting portion 11A of the support holder 11 is fitted in the recess in the inner surface of the main pipe 10, the positional deviation of the tubular body support unit with respect to the main pipe 10 is suppressed. The shift can be suppressed with higher accuracy.

(3) It is possible to suitably suppress the displacement in the group straddling each tubular body group GA, GB, GC among the groups of the tubular bodies 12 adjacent to each other.
(4) It is easy to support the boundary tubular body 12BA by the supports 20A and 20B. In addition, it is easy to support the boundary tubular body 12CB by the supports 20B and 20C.

  (5) Since all the tubular bodies 12 are divided and supported into a plurality of tubular body groups GA, GB, GC, it is possible to support all the tubular bodies 12 in accordance with the shape and curvature of the main pipe 10. is there.

In addition, the said embodiment can be changed and implemented as follows.
[Support]
-The some support body 20 with which a tubular body support unit is provided may have a mutually different magnitude | size. For example, as shown in FIG. 3, in the arrangement direction D of the tubular bodies 12, the third support body 20C may be shorter than the second support body 20B or the first support body 20A. At this time, the length of the third support body 20C in the arrangement direction D of the tubular bodies 12 is preferably substantially equal to the length of the third tubular body group GC. With such a length of the third support 20C, it is possible to suppress the flow of the medium flowing through the main pipe 10 from being inhibited by the third support 20C.

  As shown in FIG. 3, the length of the second support 20B in the arrangement direction D of the tubular bodies 12 is such that the end of the second support 20B is the first tubular body group GA and the third tubular body group. It may be a size that reaches both of the GC. At this time, the first tubular body group GA is a boundary tubular body 12AB that is a tubular body 12 adjacent to the second tubular body group GB in the first tubular body group GA (tubular body 12 with dots in FIG. 3). including. If it is the length of the 2nd support body 20B mentioned above, each of boundary tubular body 12AB and 12BA will be supported by both the 1st support body 20A and the 2nd support body 20B. Therefore, it is possible to further suppress the displacement of the respective positions when the tubular body groups GA and GB are pressed from the medium.

  The position of the support 20 is not limited to the position between the inner surface of the main pipe 10 and the tubular body 12, but may be on the center side of the main pipe 10 with respect to the tubular body 12. Under the present circumstances, the structure which the support part for supporting the tubular body 12 one by one in the support body 20 is a fitting groove into which the tubular body 12 is fitted, for example.

  Further, as shown in FIG. 4, the first support 20 </ b> A located between the inner surface of the main pipe 10 and the tubular body 12, and the second support body located on the center side of the main pipe 10 with respect to the tubular body 12. 20B may be positioned so as to overlap with each other when viewed from the center of the main pipe 10, and one boundary tubular body 12BA may be sandwiched between the first support body 20A and the second support body 20B. Similarly, the third support 20C located between the inner surface of the main pipe 10 and the tubular body 12 and the second support 20B located on the center side of the main pipe 10 with respect to the tubular body 12 are the main pipe. 10, the boundary tubular body 12 </ b> CB may be sandwiched between the third support body 20 </ b> C and the second support body 20 </ b> B. According to such an arrangement of the support body 20, the tubular body 12 in both the direction from the inner surface of the main tube 10 toward the center of the main tube 10 and the direction from the center of the main tube 10 toward the inner surface of the main tube 10. The displacement of is suppressed.

  -The number of the support bodies 20 which a tubular body support unit has may be two, and may be four or more. When the number of the support bodies 20 is four or more, for example, as shown in FIG. 5, each support body 20 is arranged such that a step due to the support body 20 in the extending direction of the main pipe 10 is caused by another support body 20. It is preferable that the support 20 is laid so as to be buried. Moreover, it is preferable that the support body 20 is spread in the arrangement direction D of the tubular bodies 12. According to such an arrangement of the support 20, it is possible to prevent foreign matter flowing through the main pipe 10 from entering the gap between the support 20 adjacent to each other.

[Support holder]
As shown in FIG. 6, the support holder 11 may include a pressing structure for pressing the holder main body 11 </ b> T of the support holder 11 toward the inner surface of the main pipe 10. For example, the holder body 11T having an annular shape includes a first holder body 111 having a semi-annular shape and a second holder body 112 having a semi-annular shape, and an end portion of the first holder body 111 is formed. And a pressing member 113 that presses the first holder main body 111 and the second holder main body 112 in a direction to widen the gap. The pressing member 113 is positioned closer to the inner surface of the main pipe 10 than the tubular body 12, and the first holding tool main body 111 and the second holding tool are rotated by rotation about the extending direction (vertical direction in the figure) as the rotation axis. The first holder main body 111 and the second holder main body 112 are pressed in the direction of widening the gap with the main body 112. Such a pressing member 113 is constituted by, for example, a bolt and a nut, and the force by which the pressing member 113 expands the gap is converted into a force that presses the holder main body 11T against the inner surface of the main pipe 10.

  Therefore, it is possible to suppress the position of the support holder 11 from being displaced with respect to the main pipe 10. Further, since the pressing member 113 is positioned nearer the inner surface of the main pipe 10 than the tubular body 12, the medium flowing through the main pipe 10 is compared with the configuration in which the pressing member 113 is positioned near the center of the main pipe 10. It is also possible to suppress the flow from being obstructed by the pressing member 113.

  The support 20 itself may have a function of fixing the support 20 to the main pipe 10. For example, the support body 20 may include a fitting portion included in the tubular body support unit, and the support body holder 11 may be omitted from the tubular body support unit. According to such a configuration of the support body 20, it is possible to reduce the number of members constituting the tubular body support unit.

[Tubular body]
The tubular body 12 supported by the first support body 20A and the second support body 20B may be a tubular body 12 other than the boundary tubular body 12BA in the second tubular body group GB. Further, the tubular body 12 supported by the second support body 20B and the third support body 20C may be a tubular body 12 other than the boundary tubular body 12BC in the third tubular body group GC. In short, the first support 20A may be configured to support a part of the first tubular body group GA and the second tubular body group GB. Moreover, the 2nd support body 20B should just be a structure which supports a part of 2nd tubular body group GB and the 3rd tubular body group GC. Note that one of the first support 20A and the second support 20B may be omitted.

  The plurality of tubular bodies 12 are not limited to the configuration connected by the connecting member 13, but one tubular body 12 is connected to the introduction passage 14 and the outlet pump P one by one, and each tubular body 12 is configured as an individual pipe. Also good.

  The shape of the tubular body 12 is not limited to a straight tube, but may be a wavy line extending in the extending direction of the main pipe 10 or a spiral shape extending along the inner peripheral surface of the main pipe 10. It may be. Further, the plurality of tubular bodies 12 may be a part of one tube body. In short, the plurality of tubular bodies are tubes for flowing a medium flowing through the main tube and another medium that performs heat exchange. It is a body, What is necessary is just a structure which a tubular body support unit aligns each extending direction of a some tubular body.

  D ... array direction, P ... lead pump, GA ... first tubular body group, GB ... second tubular body group, GC ... third tubular body group, 10 ... main pipe, 10A ... first main pipe, 10A1 ... first End part, 10B ... second main pipe, 10B1 ... second end part, 10S ... gap, 11 ... support holder, 11A ... fitting part, 12 ... tubular body, 12A ... first tubular body, 12AB, 12BA, 12CB ... Boundary tubular body, 13 ... Connecting member, 14 ... Introduction passage, 20 ... Support, 20A ... First support, 20B ... Second support, 20C ... Third support.

Claims (5)

A tubular body support unit for supporting a plurality of tubular bodies located inside a main pipe inside the main pipe, wherein the plurality of tubes for flowing another medium that exchanges heat with the medium flowing through the main pipe The tubular body support unit that aligns the extending direction of each body,
The plurality of tubular bodies include a first tubular body group composed of a plurality of tubular bodies, and a second tubular body group composed of a plurality of tubular bodies different from the first tubular body group,
The tubular body support unit includes:
A second support for supporting the second tubular body group;
A tubular body support unit comprising: a first support body supporting a part of the first tubular body group and the second tubular body group. The tubular body support unit includes:
The tubular body support unit according to claim 1, further comprising a fitting portion that fits into a recess in the inner surface of the main pipe. The second tubular body group includes a boundary tubular body that is a tubular body adjacent to the first tubular body group among a plurality of tubular bodies;
The tubular body support unit according to claim 1 or 2, wherein the first support body supports the first tubular body group and the boundary tubular body. The tubular body support unit according to any one of claims 1 to 3, wherein a position of the first support body and a position of the second support body are different from each other in the extending direction of the tubular body. The first support includes a plurality of support portions for supporting the tubular bodies one by one,
The second support body includes a plurality of support portions for supporting the tubular bodies one by one,
The tubular body support unit according to any one of claims 1 to 4, wherein the number of support portions included in the first support body and the number of support portions included in the second support body are equal to each other.