CN213117802U - Direct-buried heat preservation pipe - Google Patents

Direct-buried heat preservation pipe Download PDF

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Publication number
CN213117802U
CN213117802U CN202021894581.5U CN202021894581U CN213117802U CN 213117802 U CN213117802 U CN 213117802U CN 202021894581 U CN202021894581 U CN 202021894581U CN 213117802 U CN213117802 U CN 213117802U
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CN
China
Prior art keywords
pipe
working
thermal insulation
end surface
straight
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Expired - Fee Related
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CN202021894581.5U
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Chinese (zh)
Inventor
陆青龙
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Linyi Ruilian Pipe Industry Co ltd
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Linyi Ruilian Pipe Industry Co ltd
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Priority to CN202021894581.5U priority Critical patent/CN213117802U/en
Application granted granted Critical
Publication of CN213117802U publication Critical patent/CN213117802U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a directly bury formula insulating tube, include: the working steel pipe is provided with a first working pipe, a second working pipe and an avoidance assembly which is connected between the first working pipe and the second working pipe and is arranged in a bending mode; the heat insulation layer is sleeved on the outer side of the working steel pipe; and the outer sleeve is sleeved on the outer side of the heat insulation layer. The working steel pipe is provided with the avoidance component, so that the bending avoidance function of the heat preservation pipe is realized; the avoidance assembly is arranged and consists of a plurality of components, so that each component can be prepared in advance, and only needs to be assembled on an installation site, thereby being beneficial to improving the installation efficiency on the site and improving the construction speed; and the standard operation during avoiding construction is ensured, the construction quality is ensured to be favorable, and the heat preservation effect and the service life are ensured.

Description

Direct-buried heat preservation pipe
Technical Field
The utility model belongs to the technical field of the heat supply pipeline, concretely relates to directly bury formula insulating tube.
Background
At present, a working pipeline of a commonly used heat supply and heat insulation pipeline is basically made of steel or hard plastic materials and has no flexibility, and an outer protective pipe is made of a high-density polyethylene material according to the standard, so that the flexibility is insufficient; in the construction process, the situation that the heat-insulating pipeline collides with other pipelines or barriers often occurs, and the heat-insulating pipeline needs to be bent and avoided. However, at present, no unified, standard and specific avoidance construction method can be followed, so that various problems of random and irregular construction operation, unattractive appearance, easy cracking, poor heat preservation effect and the like inevitably exist in actual construction; and the welded pipe fittings are cut on site, so that the construction progress is slowed down, the construction efficiency is seriously influenced, the pipeline construction is rough, and the service life is influenced.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a direct-buried thermal insulation pipe, which aims at the problems in the prior art, is beneficial to improving the field installation efficiency and the construction speed; and the standard operation during avoiding construction is ensured, the construction quality is ensured to be favorable, and the heat preservation effect and the service life are ensured.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
a direct-burried thermal insulation pipe, comprising:
the working steel pipe is provided with a first working pipe, a second working pipe and an avoidance assembly which is connected between the first working pipe and the second working pipe and is arranged in a bending mode;
the heat insulation layer is sleeved on the outer side of the working steel pipe;
and the outer sleeve is sleeved on the outer side of the heat insulation layer.
Furthermore, the avoiding assembly is provided with a first bent pipe connected with the first working pipe, a first straight pipe connected with the first bent pipe, and a second bent pipe connected with the first straight pipe.
Furthermore, the first bent pipe is provided with a first end face connected with the first working pipe and a second end face connected with the first straight pipe, and an included angle between the first end face and the second end face is 45 degrees.
Furthermore, the avoiding assembly is also provided with a third bent pipe connected with the second working pipe, a second straight pipe connected with the third bent pipe and a fourth bent pipe connected with the second straight pipe.
Furthermore, the avoiding assembly is also provided with a third straight pipe connected with the second bent pipe and the fourth bent pipe, and the third straight pipe is arranged in parallel with the first working pipe.
Further, the second bent pipe is provided with a third end face connected with the first straight pipe and a fourth end face connected with the third straight pipe, and an included angle between the third end face and the fourth end face is 45 degrees.
In the first section, the first bend and the third bend are identical in structure.
In the first part, the second elbow is identical in structure with the fourth elbow.
Furthermore, the first working pipe and the second working pipe are coaxially arranged.
Furthermore, the direct-buried heat preservation pipe also comprises a plurality of supports which are arranged between the working steel pipe and the outer sleeve and are axially arranged at intervals.
Furthermore, the direct-buried insulating pipe further comprises an alarm line which is arranged in the insulating layer and axially extends, and the alarm line and the working steel pipe are arranged at intervals.
Furthermore, the bracket is provided with a limit structure matched with the alarm line, and the alarm line is positioned in the limit structure.
Further, the support has a plurality of support blocks arranged circumferentially.
Compared with the prior art, the utility model discloses an advantage is with positive effect: the working steel pipe is provided with the avoidance component, so that the bending avoidance function of the heat preservation pipe is realized; the avoidance assembly is arranged and consists of a plurality of components, so that each component can be prepared in advance, and only needs to be assembled on an installation site, thereby being beneficial to improving the installation efficiency on the site and improving the construction speed; and the standard operation during construction is ensured, the construction quality is ensured to be favorable, and the heat preservation effect and the service life are ensured.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a first embodiment of a direct-buried thermal insulation pipe provided by the present invention;
FIG. 2 is a schematic structural view of the working steel pipe of FIG. 1;
FIG. 3 is an enlarged schematic view of the first elbow of FIG. 2;
FIG. 4 is an enlarged schematic view of the second elbow of FIG. 2;
fig. 5 is a schematic structural view of a second embodiment of the directly buried thermal insulation pipe of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the description of the present invention, it should be noted that the direction close to the axis of the direct-buried thermal insulation pipe is "inside", and otherwise "outside". The terminology is for the purpose of describing the invention only and is not intended to be limiting of the invention since it is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, the first embodiment of the present invention is a direct-buried thermal insulation pipe, which includes: the working steel pipe 10, the heat insulation layer 20 and the outer sleeve 30 are of three-layer structures, the heat insulation layer 20 is sleeved on the outer side of the working steel pipe 10, and the outer sleeve 30 is sleeved on the outer side of the heat insulation layer 20; the working steel pipe 10 is provided with a first working pipe 11, a second working pipe 12 and an avoidance assembly 13 which is connected between the first working pipe 11 and the second working pipe 12 and is arranged in a bending way, and the avoidance assembly 13 is used for avoiding other pipe fittings or barriers during construction; the working steel pipe 10 is provided with an avoidance component 13, so that the bending avoidance function of the heat preservation pipe is realized; the avoidance assembly 13 is composed of a plurality of components, so that each component can be prepared in advance, and only needs to be assembled on an installation site, thereby being beneficial to improving the installation efficiency on the site and improving the construction speed; and the standard operation during avoiding construction is ensured, the construction quality is ensured to be favorable, and the heat preservation effect and the service life are ensured.
Referring to FIG. 2, the bypass assembly 13 includes a first curved tube 131 connected to the first working tube 11, a first straight tube 132 connected to the first curved tube 131, a second curved tube 133 connected to the first straight tube 132, a third curved tube 134 connected to the second working tube 12, a second straight tube 135 connected to the third curved tube 134, a fourth curved tube 136 connected to the second straight tube 135, and a third straight tube 137 connected to the second curved tube 133 and the fourth curved tube 136. The first bent pipe 131 and the second bent pipe 133 are arranged for bending the working steel pipe 10, the first straight pipe 132 between the first bent pipe 131 and the second bent pipe 133 is arranged, and the adjustment of the bending avoidance distance can be realized through the length adjustment of the first straight pipe 132, namely the adjustment of the distance between the first working pipe 11 and the third straight pipe 137 is realized.
The third straight pipe 137 is arranged in parallel with the first working pipe 11, the first working pipe 11 and the second working pipe 12 are coaxially arranged, and the first bent pipe 131 and the third bent pipe 134 have the same structure; the method is beneficial to reducing the variety of the parts and the manufacturing. The first bent pipe 131 has a first end surface 1311 connected to the first working pipe 11 and a second end surface 1312 connected to the first straight pipe 132, and an included angle between the first end surface 1311 and the second end surface 1312 is 45 °, that is, the first bent pipe 131 is a bent pipe of 45 °. The second bent pipe 133 has a third end surface 1331 connected to the first straight pipe 132 and a fourth end surface 1332 connected to the third straight pipe 137, and an included angle between the third end surface 1331 and the fourth end surface 1334 is 45 °, that is, the bent pipe 133 is 45 °. Therefore, the first bent pipe 131, the first straight pipe 132, and the second bent pipe 133 have a 90 ° bend after being connected.
Referring to fig. 5, the second embodiment of the present invention provides a direct-buried thermal insulation pipe, which comprises: the heat insulation structure comprises a working steel pipe 10, a heat insulation layer 20 and an outer sleeve 30, wherein the heat insulation layer 20 is sleeved on the outer side of the working steel pipe 10, and the outer sleeve 30 is sleeved on the outer side of the heat insulation layer 20; the alarm line 40 is arranged in the heat preservation layer 20 in an axially extending mode, and after the working steel pipe 10 leaks water or air, the alarm line 40 gives an alarm, so that leakage of the working steel pipe 10 can be found in time and maintained; the alarm line 40 and the working steel pipe 10 are arranged at intervals, so that false alarm is avoided. At a plurality of supports 50 between work steel pipe 10 and outer tube 30, a plurality of supports 50 set up at axial interval, be equipped with on support 50 with alarm line 40 assorted limit structure for alarm line 40 is injectd in injecing structure department, avoids alarm line 40 and work steel pipe 10's contact, guarantees the accuracy nature of reporting to the police. The bracket 50 has a plurality of support blocks arranged circumferentially.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims (10)

1. A direct-buried heat preservation pipe is characterized by comprising:
the working steel pipe is provided with a first working pipe, a second working pipe and an avoidance assembly which is connected between the first working pipe and the second working pipe and is arranged in a bending mode;
the heat insulation layer is sleeved on the outer side of the working steel pipe;
and the outer sleeve is sleeved on the outer side of the heat insulation layer.
2. The buried thermal insulation pipe of claim 1, wherein the bypass assembly comprises a first curved pipe connected to the first working pipe, a first straight pipe connected to the first curved pipe, and a second curved pipe connected to the first straight pipe.
3. The buried thermal insulation pipe of claim 2, wherein the first bent pipe has a first end surface connected to the first working pipe and a second end surface connected to the first straight pipe, and an included angle between the first end surface and the second end surface is 45 °.
4. The buried thermal insulation pipe of claim 2, wherein the avoiding assembly further comprises a third elbow connected to the second working pipe, a second straight pipe connected to the third elbow, and a fourth elbow connected to the second straight pipe.
5. The buried thermal insulation pipe of claim 4, wherein the avoiding assembly further comprises a third straight pipe connected to the second bent pipe and the fourth bent pipe, and the third straight pipe is arranged in parallel with the first working pipe.
6. The buried thermal insulation pipe of claim 5, wherein the second bent pipe has a third end surface connected to the first straight pipe and a fourth end surface connected to the third straight pipe, and an included angle between the third end surface and the fourth end surface is 45 °.
7. The buried thermal insulation pipe of claim 5, wherein the first bend and the third bend are identical in structure.
8. The buried thermal insulation pipe of any one of claims 1 to 7, wherein the first working pipe and the second working pipe are coaxially arranged.
9. The direct burial thermal insulation pipe of any one of claims 1 to 7, further comprising a plurality of supports which are arranged between the working steel pipe and the outer sleeve and are axially spaced apart.
10. The direct burial thermal insulation pipe of claim 9, further comprising a warning wire arranged in the thermal insulation layer and extending axially, wherein the warning wire is spaced apart from the working steel pipe; the bracket is provided with a limit structure matched with the alarm line, and the alarm line is positioned in the limit structure.
CN202021894581.5U 2020-09-01 2020-09-01 Direct-buried heat preservation pipe Expired - Fee Related CN213117802U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021894581.5U CN213117802U (en) 2020-09-01 2020-09-01 Direct-buried heat preservation pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021894581.5U CN213117802U (en) 2020-09-01 2020-09-01 Direct-buried heat preservation pipe

Publications (1)

Publication Number Publication Date
CN213117802U true CN213117802U (en) 2021-05-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021894581.5U Expired - Fee Related CN213117802U (en) 2020-09-01 2020-09-01 Direct-buried heat preservation pipe

Country Status (1)

Country Link
CN (1) CN213117802U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114704699A (en) * 2022-04-07 2022-07-05 济南迈科管道科技有限公司 Pipeline connecting piece for direction-changing connection and production equipment and method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114704699A (en) * 2022-04-07 2022-07-05 济南迈科管道科技有限公司 Pipeline connecting piece for direction-changing connection and production equipment and method thereof
CN114704699B (en) * 2022-04-07 2024-04-26 济南迈科管道科技有限公司 Pipeline connecting piece for turning connection and production equipment and method thereof

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Granted publication date: 20210504