CN211738225U - High temperature high pressure pipeline fixed bolster - Google Patents
High temperature high pressure pipeline fixed bolster Download PDFInfo
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- CN211738225U CN211738225U CN201921978081.7U CN201921978081U CN211738225U CN 211738225 U CN211738225 U CN 211738225U CN 201921978081 U CN201921978081 U CN 201921978081U CN 211738225 U CN211738225 U CN 211738225U
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- pipeline
- support
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- bracket
- lower cover
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Abstract
The utility model relates to a high-temperature high-pressure pipeline fixing bracket, which comprises a bracket upper cover (1), a bracket lower cover (2) and a heat insulating material (5); the pipeline fins (6) are fixed on the pipeline, and the bracket upper cover (1) and the bracket lower cover (2) are connected together and used for wrapping the pipeline fins (6); radial gaps are reserved between the inner walls of the upper support cover (1) and the lower support cover (2) and the outer ends of the pipeline fins, and the heat insulation material is placed in the gaps; the bracket lower cover (2) is connected with the bracket base (4).
Description
Technical Field
The utility model belongs to the technical field of the high temperature technique and specifically relates to a high temperature high pressure pipeline fixed bolster.
Background
The high-temperature high-pressure pipeline can produce great axial, radial deformation under normal use operating mode, and axial deformation can generally be absorbed through increasing pipeline compensator (like bellows expansion joint), but radial deformation can't absorb, and if the pipeline diameter is great, when pressure is higher, axial force is great moreover, puts forward higher requirement to the ground of support.
The universal fixing bracket, such as an anchor ear, can generate different deformation due to different thermal expansion rates of the anchor ear and the pipeline, and if the deformation of the anchor ear is larger than that of the pipeline, the anchor ear cannot play a role in fixing; if the deformation of staple bolt is less than the deformation of pipeline, then the pipeline can make pipeline stress increase because of the power of holding tightly of staple bolt, and then leads to the pipeline to become invalid.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of no fixing action or increased pipeline stress caused by different thermal expansion rates of the hoop and the pipeline in the prior art, the high-temperature pipeline fixing support is simple in structure, stable and effective.
The utility model provides a technical scheme be: a high-temperature high-pressure pipeline fixing support comprises a support upper cover, a support lower cover and a heat insulating material; the bracket upper cover and the bracket lower cover are connected together and used for wrapping the pipeline fins; radial gaps are reserved between the inner walls of the upper support cover and the lower support cover and the outer ends of the pipeline fins, and the heat insulation materials are placed in the gaps; the bracket lower cover is connected with the bracket base.
Preferably, at least two sets of the fixed supports are arranged on the same pipeline, and the adjacent fixed supports are axially and rigidly connected through a pull rod.
Preferably, the number of the pull rods between the adjacent fixed supports is at least 4, the upper cover of each support is connected with the upper cover of the adjacent support through at least two pull rods, and the lower cover of each support is connected with the lower cover of the adjacent support through at least two pull rods.
Preferably, the distance between adjacent fixing brackets is not more than 6 m.
Preferably, the radial clearance between the inner walls of the upper cover and the lower cover of the bracket and the outer ends of the pipeline fins is 5-10 mm.
Preferably, the distance between the inner walls of the upper bracket cover and the lower bracket cover and the outer wall of the pipeline is not more than 150 mm.
Preferably, the pipeline fins are uniformly distributed along the circumferential direction of the outer wall of the pipeline, and the included angle between every two adjacent pipeline fins is not more than 45 degrees.
Preferably, the heat-proof material has a compressive strength greater than an axial force generated by thermal deformation of the pipe.
Preferably, the support lower cover is welded with the support, no radial displacement is ensured between the support lower cover and the support base through the pressing plate, the support base is provided with a groove, the support welded on the support lower cover is placed in the groove, and the axial size of the groove along the pipeline is larger than or equal to the equidirectional size of the support.
Preferably, the size of the groove along the axial direction of the pipeline is more than 0 and less than or equal to 10mm compared with the equidirectional size difference N of the bracket.
Compared with the prior art, the utility model beneficial effect be:
the pipeline fins, the heat insulating material, the upper support cover, the lower support cover and the support base form a stable support with a simple structure. Radial gaps among the pipeline fins, the upper support cover and the lower support cover absorb radial deformation of the retractable pipeline, and gaps with small axial directions can absorb self deformation of the fins. In addition, the axial clearance N between the lower bracket cover and the bracket base can absorb the axial displacement of the pull rod caused by the deformation of the axial force.
In addition, a plurality of sets of fixed supports can be arranged on the pipeline, adjacent supports are rigidly connected through a pull rod, and the axial force of the pipeline can be offset through the pull rod.
Drawings
FIG. 1 is a three-view diagram of a high-temperature high-pressure pipeline fixing bracket;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a three-dimensional view of a high-temperature high-pressure pipeline fixing bracket.
Detailed Description
The present invention will be further explained with reference to the following examples.
In order to make the functions of the structure of the present invention clearer, the technical solution of the present invention is further explained below with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-4, the utility model provides a high temperature high pressure pipeline fixed bolster, including pipeline fin 6, support upper cover 1, support lower cover 2, set up at thermal insulation material 5, support base 4, pull rod and adjusting nut, clamp plate 3 of support upper cover 1 and 2 inner walls of lower cover. The support upper cover 1 and the support lower cover 2 are connected together and used for wrapping the pipeline fins 6, and the distance between the inner walls of the support upper cover and the support lower cover and the outer wall of the pipeline is generally not more than 150 mm; 5 mm-10 mm radial gaps are reserved between the inner walls of the upper bracket cover 1 and the lower bracket cover 2 and the outer ends of the pipeline fins, and the heat insulation materials are placed in the gaps, wherein the specific placement mode can be realized by manual plugging or pouring and the like according to different heat insulation materials; no radial displacement is ensured between the support lower cover 2 and the support base 4 through the pressing plate 3, the support base 4 is provided with a groove, a support welded on the support lower cover 2 is placed in the groove, the size of the groove in the axial direction of the pipeline is larger than or equal to the size of the support in the same direction, namely no gap is left between the support lower cover and the support base or an axial gap is left between the support lower cover and the support base. It is most preferred to leave an axial clearance through which axial displacements of the tie rod which are deformed by axial forces are absorbed. The value range of the axial clearance is more than 0 and less than or equal to 10 mm.
The pull rod is a rigid connection mode in the axial direction between adjacent brackets after a plurality of sets of fixed brackets are arranged on the same pipeline. Generally, at least 2 pull rods are required to be connected between the upper covers of the brackets, for example, in fig. 1, the upper covers of the brackets are provided with protruding lugs, and the pull rods are connected between the two protruding lugs; also generally adopt to be no less than 2 pull rods between the support lower cover and connect, on the support of pull rod mounted position can adopt support lower cover lower part.
At present, the utility model discloses the pipe bracket has been applied to during pure air directly links platform-air inlet adjusting system project, and has reached better effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high temperature high pressure pipeline fixed bolster which characterized in that: comprises a bracket upper cover (1), a bracket lower cover (2) and a heat insulating material (5); the pipeline fins (6) are fixed on the pipeline, and the bracket upper cover (1) and the bracket lower cover (2) are connected together and used for wrapping the pipeline fins (6); radial gaps are reserved between the inner walls of the upper support cover (1) and the lower support cover (2) and the outer ends of the pipeline fins, and the heat insulation material is placed in the gaps; the bracket lower cover (2) is connected with the bracket base (4).
2. The high-temperature high-pressure pipeline fixing bracket according to claim 1, characterized in that: at least two sets of fixed supports are arranged on the same pipeline, and adjacent fixed supports are axially and rigidly connected through a pull rod.
3. A high temperature and high pressure pipeline fixing bracket according to claim 2, wherein: the number of the pull rods between the adjacent fixed supports is at least 4, wherein the upper cover of the support is connected with the upper cover of the adjacent support through at least two pull rods, and the lower cover of the support is connected with the lower cover of the adjacent support through at least two pull rods.
4. A high temperature and high pressure pipeline fixing bracket according to claim 2, wherein: the distance between adjacent fixed brackets is not more than 6 m.
5. The high-temperature high-pressure pipeline fixing bracket according to claim 1, characterized in that: the radial clearance between the inner walls of the upper bracket cover (1) and the lower bracket cover (2) and the outer ends of the pipeline fins is 5-10 mm.
6. A high temperature and high pressure pipeline fixing bracket according to claim 1 or 5, characterized in that: the distance between the inner walls of the upper bracket cover (1) and the lower bracket cover (2) and the outer wall of the pipeline is not more than 150 mm.
7. The high-temperature high-pressure pipeline fixing bracket according to claim 1, characterized in that: the pipeline fin along pipeline outer wall circumference equipartition, and the contained angle of two adjacent pipeline fins is no longer than 45.
8. The high-temperature high-pressure pipeline fixing bracket according to claim 1, characterized in that: the anti-extrusion strength of the thermal insulation material is greater than the axial force generated by thermal deformation of the pipeline.
9. The high-temperature high-pressure pipeline fixing bracket according to claim 1, characterized in that: the support is welded on the support lower cover (2), no radial displacement is guaranteed between the support lower cover and the support base through the pressing plate (3), a groove is formed in the support base (4), the support welded on the support lower cover (2) is placed in the groove, and the groove is larger than or equal to the support in the axial direction of the pipeline in the same direction.
10. A high temperature and high pressure pipeline fixing bracket according to claim 9, wherein: the size of the groove along the axial direction of the pipeline is larger than the size difference N of the bracket in the same direction, and N is larger than 0 and smaller than or equal to 10 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921978081.7U CN211738225U (en) | 2019-11-15 | 2019-11-15 | High temperature high pressure pipeline fixed bolster |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921978081.7U CN211738225U (en) | 2019-11-15 | 2019-11-15 | High temperature high pressure pipeline fixed bolster |
Publications (1)
Publication Number | Publication Date |
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CN211738225U true CN211738225U (en) | 2020-10-23 |
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Family Applications (1)
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CN201921978081.7U Active CN211738225U (en) | 2019-11-15 | 2019-11-15 | High temperature high pressure pipeline fixed bolster |
Country Status (1)
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CN (1) | CN211738225U (en) |
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2019
- 2019-11-15 CN CN201921978081.7U patent/CN211738225U/en active Active
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