CN216242990U - Strength-enhanced polyester ammonia direct-buried heat-insulation pipe - Google Patents
Strength-enhanced polyester ammonia direct-buried heat-insulation pipe Download PDFInfo
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- CN216242990U CN216242990U CN202122501527.0U CN202122501527U CN216242990U CN 216242990 U CN216242990 U CN 216242990U CN 202122501527 U CN202122501527 U CN 202122501527U CN 216242990 U CN216242990 U CN 216242990U
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Abstract
The utility model provides a strength-enhanced polyester ammonia direct-buried heat-insulating pipe, which relates to the technical field of heat-insulating pipes and comprises a core pipe and an outer protective pipe, wherein the core pipe and the outer protective pipe are coaxially arranged, and an annular cavity is formed between the core pipe and the outer protective pipe; an annular hoop is arranged on the periphery of the core pipe, and a heat insulation material is filled between the annular hoop and the outer protective pipe; a plurality of roller carriers are uniformly distributed on the outer side of the annular hoop, each roller carrier is provided with a roller, a heat insulation layer is arranged between the core pipe and the annular hoop, a plurality of pins are arranged on the inner arc surface of the annular hoop, and the pins can be inserted into the heat insulation layer; the wheel carrier is arc sheet, and one side or two sides of the wheel carrier which takes the support rod as the center are provided with extension sheets. The annular hoop can be tightly clamped on the outer side of the core pipe, and plays a great role in protecting the core pipe and the heat insulation material by arranging the pins and the extension pieces, and the core pipe, the heat insulation layer and the heat insulation material are not easy to displace or deform under the action of external force in the longitudinal movement process of the core pipe.
Description
Technical Field
The utility model relates to the technical field of heat preservation pipes, in particular to a strength enhanced type polyester ammonia direct-buried heat preservation pipe.
Background
The steam heat-insulating pipe is formed by combining an outer protective steel pipe, a heat-insulating layer and an inner working steel pipe which are subjected to corrosion prevention, and the heat-insulating layer is made of high-temperature glass wool or aerogel heat-insulating felt and nanometer heat-insulating material. The heat preservation layer can adopt a single heat insulation material layer or a composite layer of multiple heat insulation materials, the joint of the heat preservation layer materials is staggered, the inner layer and the outer layer are pressed to be seamed, the stainless steel fastening steel band is used for bundling the heat insulation materials on the surface of the working pipe in a segmented mode, and when the pipeline runs and expands due to heating, the heat preservation layer materials and the working pipe move together in the steel outer protecting pipe through the support. Rolling bearings are therefore generally used. The free extension of the working steel pipe in the outer sleeve steel pipe is facilitated, the surface temperature of the outer protective layer at the sliding support is low, an anticorrosive coating of the pipeline cannot be damaged, and the local corrosion damage of the pipeline is guaranteed.
However, in the moving process of the working steel pipe, deformation is difficult to avoid due to temperature change of substances in the pipe, and the common rolling support fails due to deformation of the pipe in the moving process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a strength-enhanced polyester ammonia direct-buried heat-insulating pipe, which solves the problem that the existing heat-insulating pipe rolling support is likely to fail.
The utility model is realized by the following steps: a strength enhanced polyester ammonia direct-buried heat preservation pipe comprises a core pipe and an outer protection pipe, wherein the core pipe and the outer protection pipe are coaxially arranged, and an annular cavity is formed between the core pipe and the outer protection pipe; an annular hoop is arranged on the periphery of the core pipe, the annular hoop and the core pipe are coaxially arranged, and a heat insulation material is filled between the annular hoop and the outer protective pipe;
a plurality of roller carriers are uniformly distributed on the outer side of the annular hoop, each roller carrier is provided with a roller, the wheel surface of each roller is in contact with the inner wall of the outer protective pipe, and the core pipe, the annular hoop and the heat insulation material can axially move in the outer protective pipe under the supporting action of the rollers;
the roller carrier comprises a supporting rod fixedly connected with the annular hoop and an arc-shaped sheet-shaped wheel carrier arranged at the tail end of the supporting rod, the roller is arranged on the wheel carrier, and the radian of the wheel carrier is the same as that of the outer protective pipe;
a heat insulation layer is arranged between the core pipe and the annular hoop, a plurality of pins are arranged on the inner arc-shaped surface of the annular hoop, and the pins can be inserted into the heat insulation layer; the wheel carrier is arc sheet, and one side or two sides of the wheel carrier, which takes the support rod as the center, are provided with extension pieces.
Preferably, the inner surface and the outer surface of the outer protecting pipe are coated with anticorrosive coatings.
Preferably, the core tube and the outer protective tube are both made of metal materials.
Preferably, the annular clamp is formed by last clamp and lower clamp amalgamation go up the processing of clamp, lower clamp on the internal surface have the reflection stratum.
Preferably, the number of the roller frames is at least three.
By adopting the technical scheme, the annular hoop can be tightly clamped on the outer side of the core pipe, the core pipe and the heat insulation material are greatly protected by arranging the pins and the extension pieces, and the core pipe, the heat insulation layer and the heat insulation material are not easy to displace or deform under the action of external force in the longitudinal movement process of the core pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of fig. 1.
In the figure: 1-core pipe, 2-outer protective pipe, 3-thermal insulation material, 4-roller frame, 41-support rod, 42-wheel frame, 43-extension piece, 5-roller, 6-thermal insulation layer, 7-base pin, 8-upper clamp and 9-lower clamp.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the utility model provides a strength-enhanced polyester ammonia direct-buried heat preservation pipe, which comprises a core pipe 1 and an outer protection pipe 2, wherein the core pipe 1 and the outer protection pipe 2 are coaxially arranged, and an annular cavity is formed between the core pipe 1 and the outer protection pipe 2. The periphery of the core pipe 1 is provided with an annular hoop, the annular hoop and the core pipe 1 are coaxially arranged, a heat insulation material 3 is filled between the annular hoop and the outer protective pipe 2, and the heat insulation material 3 can be a polyurethane foam material. According to the utility model, the heat insulation layer 6 is arranged between the core pipe 1 and the annular hoop, the heat insulation layer 6 is wound outside the core pipe 1, and the heat insulation layer 6 is bound, so that the shape of the heat insulation layer 6 is fixed, the heat energy dissipation amount of steam in the core pipe is greatly reduced by arranging the heat insulation layer 6, the temperature drop value of the steam direct-buried pipe per unit length is reduced, the heat insulation effect of the steam direct-buried pipe is improved, the heat supply radius is greatly prolonged, and the core pipe 1 and the heat insulation layer 6 still keep cylindrical.
Furthermore, the annular hoop is formed by splicing an upper hoop 8 and a lower hoop 9, and a reflecting layer is processed on the inner surfaces of the upper hoop 8 and the lower hoop 9. The edges of the upper clamp 8 and the lower clamp 9 are provided with connecting lugs, and the upper clamp 8 and the lower clamp 9 are fastened through bolts. The annular clamping hoop is tightly clamped outside the heat insulation layer 6 after being spliced. Preferably, be provided with a plurality of participate in 7 on the interior arcwall face of annular clamp, participate in 7 and can insert in insulating layer 6, make annular clamp and heat preservation 6 be connected inseparabler, avoid producing relative displacement at the removal in-process.
The utility model is characterized in that a plurality of roller carriers 4 are uniformly distributed on the outer side of the annular hoop, each roller carrier 4 is provided with a roller 5, the wheel surface of each roller 5 is contacted with the inner wall of the outer protective pipe 2, and the core pipe 1, the annular hoop and the heat insulation material 3 can axially move in the outer protective pipe 2 under the supporting action of the rollers 5. The number of the roller frames 4 is at least three.
The roller frame 4 comprises a supporting rod 41 fixedly connected with an annular hoop and an arc-shaped sheet-shaped wheel frame 42 arranged at the tail end of the supporting rod 41, wherein the roller 5 is arranged on the wheel frame 42, and the radian of the wheel frame 42 is the same as that of the outer protective pipe 2. Further, the wheel frame 42 is in an arc-shaped sheet shape, and one side or both sides of the wheel frame 42 centering on the strut 41 are provided with extension sheets 43. The roller frames arranged at the two ends of the core pipe 1 are only provided with the extension pieces 43 at the inner sides, and the roller frames arranged in the core pipe 1 are provided with the extension pieces 43 at the two sides, so that after the annular hoop is installed, the extension pieces 43 can cover the heat insulation material 3 in contact with the annular hoop, the heat insulation material 3 is limited and fastened, and the heat insulation material 3 is prevented from falling off or deforming in the moving process.
Further, the inner and outer surfaces of the outer protective pipe 2 are coated with anticorrosive coatings. The core tube 1 and the outer protective tube 2 are made of metal materials.
The annular hoop can be tightly clamped on the outer side of the core pipe, and plays a great role in protecting the core pipe and the heat insulation material by arranging the pins and the extension pieces, and the core pipe, the heat insulation layer and the heat insulation material are not easy to displace or deform under the action of external force in the longitudinal movement process of the core pipe.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A strength enhanced polyester ammonia direct-buried heat preservation pipe is characterized by comprising a core pipe and an outer protection pipe, wherein the core pipe and the outer protection pipe are coaxially arranged, and an annular cavity is formed between the core pipe and the outer protection pipe; an annular hoop is arranged on the periphery of the core pipe, the annular hoop and the core pipe are coaxially arranged, and a heat insulation material is filled between the annular hoop and the outer protective pipe;
a plurality of roller carriers are uniformly distributed on the outer side of the annular hoop, each roller carrier is provided with a roller, the wheel surface of each roller is in contact with the inner wall of the outer protective pipe, and the core pipe, the annular hoop and the heat insulation material can axially move in the outer protective pipe under the supporting action of the rollers;
the roller carrier comprises a supporting rod fixedly connected with the annular hoop and an arc-shaped sheet-shaped wheel carrier arranged at the tail end of the supporting rod, the roller is arranged on the wheel carrier, and the radian of the wheel carrier is the same as that of the outer protective pipe;
a heat insulation layer is arranged between the core pipe and the annular hoop, a plurality of pins are arranged on the inner arc-shaped surface of the annular hoop, and the pins can be inserted into the heat insulation layer; the wheel carrier is arc sheet, and one side or two sides of the wheel carrier, which takes the support rod as the center, are provided with extension pieces.
2. The strength-enhanced polyester ammonia direct-buried heat-insulating pipe as claimed in claim 1, wherein the inner and outer surfaces of the outer protecting pipe are coated with anticorrosive layers.
3. The strength-enhanced polyester ammonia direct-buried thermal insulation pipe as claimed in claim 1, wherein the core pipe and the outer protection pipe are made of metal materials.
4. The strength-enhanced type polyesterammonia direct-buried thermal insulation pipe as claimed in claim 1, wherein the annular hoop is formed by splicing an upper hoop and a lower hoop, and a reflective layer is processed on the inner surface of the upper hoop and the inner surface of the lower hoop.
5. The strength-enhanced polyesterammonia direct-buried thermal insulation pipe as claimed in claim 1, wherein the number of said roller frame is at least three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122501527.0U CN216242990U (en) | 2021-10-18 | 2021-10-18 | Strength-enhanced polyester ammonia direct-buried heat-insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122501527.0U CN216242990U (en) | 2021-10-18 | 2021-10-18 | Strength-enhanced polyester ammonia direct-buried heat-insulation pipe |
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| Publication Number | Publication Date |
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| CN216242990U true CN216242990U (en) | 2022-04-08 |
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| CN202122501527.0U Active CN216242990U (en) | 2021-10-18 | 2021-10-18 | Strength-enhanced polyester ammonia direct-buried heat-insulation pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102716300B1 (en) * | 2024-03-20 | 2024-10-15 | 대현공업 주식회사 | Marine diesel engine exhaust gas purification device and installation method thereof |
| KR102716299B1 (en) * | 2024-03-20 | 2024-10-15 | 대현공업 주식회사 | Marine diesel engine exhaust gas purification device and installation method thereof |
| KR102716301B1 (en) * | 2024-03-20 | 2024-10-15 | 대현공업 주식회사 | Marine diesel engine exhaust gas purification device and installation method thereof |
-
2021
- 2021-10-18 CN CN202122501527.0U patent/CN216242990U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102716300B1 (en) * | 2024-03-20 | 2024-10-15 | 대현공업 주식회사 | Marine diesel engine exhaust gas purification device and installation method thereof |
| KR102716299B1 (en) * | 2024-03-20 | 2024-10-15 | 대현공업 주식회사 | Marine diesel engine exhaust gas purification device and installation method thereof |
| KR102716301B1 (en) * | 2024-03-20 | 2024-10-15 | 대현공업 주식회사 | Marine diesel engine exhaust gas purification device and installation method thereof |
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