CN213089173U - Insulating fixed bolster of prefabricated direct-burried high temperature steam insulating tube - Google Patents
Insulating fixed bolster of prefabricated direct-burried high temperature steam insulating tube Download PDFInfo
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- CN213089173U CN213089173U CN202022040340.0U CN202022040340U CN213089173U CN 213089173 U CN213089173 U CN 213089173U CN 202022040340 U CN202022040340 U CN 202022040340U CN 213089173 U CN213089173 U CN 213089173U
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Abstract
The utility model discloses a prefabricated direct-buried high-temperature steam insulating pipe insulating fixed support, which comprises an outer protecting pipe, a conical pipe, a cylindrical steel ring and a plurality of fixed components, wherein each fixed component comprises a bolt and a nut, the bolt is screwed and fixed through the nut after sequentially passing through a flange I, an insulating sealing element and a flange II, the flange I is welded on the large diameter of the conical pipe, the small diameter end of the conical pipe is welded with a working pipe, and the flange II is welded on the cylindrical steel ring; the outer pillar is the reducing pipe, and the inside of oversheath is worn to cover to the bell pipe and working pipe, the one end and the cylinder steel ring welding of outer pillar, are provided with one on the diameter section of outer pillar and arrange the tide pipe, are provided with one on the cylinder steel ring and arrange the tide pipe, arrange and be provided with on the tide pipe and arrange the tide outer pillar. The utility model discloses furthest reduces the thermal bridge effect on insulating, thermal-insulated basis, and the deformation that produces when preventing the pipeline expend with heat and contract with cold arranges the tide facility, slows down outer pillar corruption simultaneously, greatly increased direct-burried steam conduit's life.
Description
Technical Field
The utility model relates to a direct-burried steam conduit field especially relates to an insulating fixing support of prefabricated direct-burried high temperature steam insulating tube.
Background
The application of the prefabricated direct-buried heat-insulating pipe is a multidisciplinary system engineering, the technical content of the direct-buried steam heat-insulating pipe is large, and the steam pipeline is directly buried with more than ten nodes, including a heat-insulating fixed support, a compensation elbow, a reinforced tee joint, a drainage device, a moisture-removing device, a conical pipe, a compensator and the like. The direct-buried steam pipeline belongs to a pressure pipeline, each node must be well processed, otherwise, engineering accidents can be caused, and hidden dangers are large. The prefabricated direct-buried heat preservation pipe can produce great axial thrust because of expend with heat and contract with cold when the operation, adopts the fixed bolster mainly to guarantee the safe operation of whole pipeline.
The patent document that application date is 20190726, and application date is CN201910680252.6 discloses a prefabricated direct-burried steam insulating pipe insulation internal fixation support, the support includes thrust transmission component, and annular steel pipe and floor and working pipe connection are passed through to transmission component's one end, and the other end passes through insulating component and outer pillar connection. The support solves the problems of heat insulation and partition between the steel outer protecting pipe and the working pipe of the prefabricated direct-buried steam pipeline, and enables the steel outer protecting pipe to be insulated from the working pipe, thereby solving the insulation problem of the cathode protection of the outer protecting pipe, reducing the cathode protection current leakage of the outer protecting pipe, enabling the outer protecting pipe to obtain safe and effective cathode protection, slowing down the corrosion speed of the outer protecting pipe and ensuring the service life of the direct-buried steam pipeline. However, due to the connection mode of the inner steel pipe and the outer steel pipe, the generation of a thermal bridge cannot be prevented, the deterioration of the laying environment and the energy loss are caused, and the prefabricated direct-buried heat-insulation pipe inevitably bears the deformation caused by expansion with heat and contraction with cold during the operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an insulating fixing support of prefabricated direct-burried high temperature steam insulating tube, furthest reduces the thermal bridge effect on insulating, thermal-insulated basis, and the deformation that produces when preventing the pipeline expend with heat and contract with cold slows down outer pillar corruption simultaneously.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a prefabricated direct-burried high temperature steam insulating tube insulation fixed bolster, including outer pillar, conical duct, cylinder steel ring and a plurality of fixed subassembly, fixed subassembly includes bolt and nut, the bolt passes through flange I, insulating seal spare and flange II in proper order and passes through the nut is screwed fixedly, flange I welds on the major diameter of conical duct, the minor diameter end and the working pipe welded connection of conical duct, flange II welds on the cylinder steel ring;
the outer pillar is the reducing pipe, the toper pipe with the working tube wears to overlap the inside of outer pillar, the one end of outer pillar with the cylinder steel ring welding, be provided with one on the diameter section of outer pillar and arrange the tide pipe, be provided with one on the cylinder steel ring arrange the tide pipe, it arranges the tide outer pillar to be provided with on the tide pipe to arrange.
Furthermore, the fixed components are at least two groups and are circumferentially and uniformly distributed.
Further, the length of the conical tube is greater than or equal to 1.2 m.
Furthermore, a bolt insulating sleeve is sleeved outside a screw rod of the bolt, and the bolt insulating sleeve is embedded in the connecting through hole of the flange I, the insulating sealing element and the flange II.
Still further, the outer pillar with arrange damp outer pillar's outer peripheral face and be provided with the anticorrosive coating.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the conical pipe and the outer protecting pipes with different diameters greatly slow down the deformation of the direct-buried steam pipeline during expansion with heat and contraction with cold, and reduce the thermal bridge effect on the basis of insulation and heat insulation, so that the inner steel pipe and the outer steel pipe are completely insulated and heat-insulated; two arrange the damp pipe setting at the both ends of toper pipe, and respectively with by two space intercommunications of fixing support divided, arrange the tide convenient, slow down outer pillar and corrode, guaranteed buried steam conduit's life.
The utility model discloses furthest reduces the thermal bridge effect on insulating, thermal-insulated basis, and the deformation that produces when preventing the pipeline expend with heat and contract with cold arranges the tide facility, slows down outer pillar corruption simultaneously, greatly increased direct-burried steam conduit's life.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic structural view of the insulating fixing support of the prefabricated direct-buried high-temperature steam insulation pipe of the utility model;
FIG. 2 is a cross-sectional view of the A-A position of the present invention;
FIG. 3 is a cross-sectional view of the present invention in the B-B position;
fig. 4 is an enlarged view of the position b of the present invention;
description of reference numerals: 1. a working pipe; 2. an outer protecting pipe; 3. a tapered tube; 4. moisture removal and outer protection pipes; 5. a moisture discharge pipe; 6. a nut; 7. a bolt; 8. an insulating seal; 9. a bolt insulating sleeve; 10. a cylindrical steel ring; 11. A flange I; 12. and (4) a flange II.
Detailed Description
As shown in fig. 1, the insulating fixed support for the prefabricated direct-buried high-temperature steam heat-insulating pipe comprises an outer protecting pipe 2, a conical pipe 3, a cylindrical steel ring 10 and a plurality of fixed components, wherein each fixed component comprises a bolt 7 and a nut 6, the bolt 7 sequentially penetrates through a flange I11, an insulating sealing element 8 and a flange II12 and then is screwed and fixed through the nut 6, a flange I11 is welded on the large diameter of the conical pipe 3, the small diameter end of the conical pipe 3 is welded with a working pipe 1, and a flange II12 is welded on the cylindrical steel ring 10;
the outer pillar 2 is the reducing pipe, and the inside of outer pillar 2 is worn to overlap to conical duct 3 and working pipe 1, and the one end and the cylinder steel ring 10 welding of outer pillar 2 are provided with one on the diameter section of outer pillar 2 and arrange damp pipe 5, are provided with one on the cylinder steel ring 10 and arrange damp pipe 5, arrange and be provided with on the damp pipe 5 and arrange damp outer pillar 4.
Specifically, the fixed components are at least two groups and are circumferentially and uniformly distributed. The length of the conical tube 3 is greater than or equal to 1.2 m. And a bolt insulating sleeve 9 is sleeved outside a screw rod of the bolt 7, and the bolt insulating sleeve 9 is embedded and installed in connecting through holes of the flange I11, the insulating sealing member 8 and the flange II 12. The outer circumference of the outer protecting pipe 2 and the outer moisture-removing protecting pipe 4 is provided with an anticorrosive coating.
The utility model discloses a use as follows:
firstly, referring to fig. 1, 2, 3 and 4, before shipping, a bolt insulating sleeve 9 is sleeved outside a screw rod of a bolt 7, and the screw rod sequentially penetrates through a flange I11, an insulating sealing member 8, a flange II12 and a nut 6 to be connected and fixed to form a fixing assembly.
The big head end of the conical pipe 3 is connected with the cylindrical steel ring 10 through a plurality of evenly distributed fixing components. Specifically, the larger end of the diameter of the conical pipe 3 is welded with a flange I in the fixing component, and a flange II in the fixing component is welded with a cylindrical steel ring 10.
The outer wall surface winding heat preservation with working tube 1, later with the less one end welding of conical duct 3 diameter to working tube 1 on, the inside of outer pillar 2 is gone into to conical duct 3 and working tube 1 suit, outer pillar 2 and cylinder steel ring 10 welding.
Set up one on the diameter section of outer pillar 2 and arrange damp pipe 5, set up one on cylinder steel ring 10 and arrange damp pipe 5, arrange damp pipe 5 and all set up outward and arrange damp outer pillar 4, two arrange the both ends that damp pipe 5 is located conical duct 3, and communicate with two spaced of fixed bearing and working pipe 1 divided respectively, be the anticorrosive coating of outer pillar 2 and the outer coating of arranging damp outer pillar 4 at last.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides an insulating fixing support of prefabricated direct-burried high temperature steam insulating tube which characterized in that: the fixing device comprises an outer protecting pipe (2), a conical pipe (3), a cylindrical steel ring (10) and a plurality of fixing components, wherein each fixing component comprises a bolt (7) and a nut (6), the bolt (7) sequentially penetrates through a flange I (11), an insulating sealing element (8) and a flange II (12) and then is screwed and fixed through the nut (6), the flange I (11) is welded on the large diameter of the conical pipe (3), the small diameter end of the conical pipe (3) is welded with a working pipe (1), and the flange II (12) is welded on the cylindrical steel ring (10);
outer pillar (2) are the reducing pipe, toper pipe (3) with work pipe (1) are worn to overlap the inside of outer pillar (2), the one end of outer pillar (2) with cylinder steel ring (10) welding, be provided with one on the diameter section of outer pillar (2) and arrange damp pipe (5), be provided with one on cylinder steel ring (10) arrange damp pipe (5), it arranges damp outer pillar (4) to be provided with on damp pipe (5).
2. The insulating fixed support of prefabricated direct-burried high temperature steam insulating pipe of claim 1 characterized in that: the fixed components are at least two groups and are evenly distributed on the circumference.
3. The insulating fixed support of prefabricated direct-burried high temperature steam insulating pipe of claim 1 characterized in that: the length of the conical tube (3) is greater than or equal to 1.2 m.
4. The insulating fixed support of prefabricated direct-burried high temperature steam insulating pipe of claim 1 characterized in that: the screw rod overcoat of bolt (7) is equipped with bolt insulating sleeve (9), bolt insulating sleeve (9) embedding is installed in the connection via hole of flange I (11), insulating seal (8) and flange II (12).
5. The insulating fixed support of prefabricated direct-burried high temperature steam insulating pipe of claim 1 characterized in that: and the outer peripheral surfaces of the outer protecting pipe (2) and the moisture-removing outer protecting pipe (4) are provided with anticorrosive layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022040340.0U CN213089173U (en) | 2020-09-17 | 2020-09-17 | Insulating fixed bolster of prefabricated direct-burried high temperature steam insulating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022040340.0U CN213089173U (en) | 2020-09-17 | 2020-09-17 | Insulating fixed bolster of prefabricated direct-burried high temperature steam insulating tube |
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| Publication Number | Publication Date |
|---|---|
| CN213089173U true CN213089173U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022040340.0U Active CN213089173U (en) | 2020-09-17 | 2020-09-17 | Insulating fixed bolster of prefabricated direct-burried high temperature steam insulating tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076522A (en) * | 2022-05-05 | 2022-09-20 | 中国市政工程中南设计研究总院有限公司 | Insulating partition of prefabricated direct-buried steam heat-preservation pipe |
-
2020
- 2020-09-17 CN CN202022040340.0U patent/CN213089173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076522A (en) * | 2022-05-05 | 2022-09-20 | 中国市政工程中南设计研究总院有限公司 | Insulating partition of prefabricated direct-buried steam heat-preservation pipe |
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