CN215862116U - Novel soft prefabricated built on stilts steam insulating tube - Google Patents
Novel soft prefabricated built on stilts steam insulating tube Download PDFInfo
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- CN215862116U CN215862116U CN202121824726.9U CN202121824726U CN215862116U CN 215862116 U CN215862116 U CN 215862116U CN 202121824726 U CN202121824726 U CN 202121824726U CN 215862116 U CN215862116 U CN 215862116U
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Abstract
The utility model provides a novel soft prefabricated overhead steam heat-insulating pipe which comprises a plurality of first steam heat-insulating pipes and a plurality of second steam heat-insulating pipes, wherein the first steam heat-insulating pipes and the second steam heat-insulating pipes are alternately arranged in an end-to-end connection manner; the first steam heat-insulating pipe and the second steam heat-insulating pipe both comprise working steel pipes, two ends of the outer circumference of each working pipe are connected with a plurality of positioning support frames, and one ends of the positioning support frames, which are away from the working steel pipes, are sleeved with outer protective layers; the prefabricated overhead steam heat-insulating pipe adopts an environment-friendly high-temperature glass wool heat-insulating material and polyurethane stearic foam composite heat-insulating structure, and the heat-insulating material is light in weight, low in heat conductivity coefficient and good in heat-insulating property. The glass wool and the polyurethane are sprayed, so that the heat-insulating structure is strong in integrity, stable in structure, not easy to deform and excellent in heat-insulating property.
Description
Technical Field
The utility model relates to the technical field of prefabricated overhead heat-insulating pipes, in particular to a novel soft prefabricated overhead steam heat-insulating pipe.
Background
The prefabricated overhead heat-insulating pipe is an overhead heat-insulating pipeline suitable for a long ground heat transmission network, can be used for conveying steam or other fluid media, and has the biggest characteristic of being prefabricated and processed and formed in factories compared with the traditional overhead heat-insulating pipeline, so that the field construction period can be greatly shortened, and the operation difficulty can be reduced.
The prefabricated overhead steam heat-insulation pipeline on the market at present adopts a hard heat-insulation structure, the weight of a hard heat-insulation material is large, the heat-insulation effect is poor, and the hard heat-insulation material is easy to damage in the transportation and installation process.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the novel soft prefabricated overhead steam heat-insulating pipe which is convenient and quick to construct, greatly reduces the operation strength and greatly shortens the construction period.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a novel soft prefabricated overhead steam heat-insulating pipe which comprises a plurality of first steam heat-insulating pipes and a plurality of second steam heat-insulating pipes, wherein the first steam heat-insulating pipes and the second steam heat-insulating pipes are alternately arranged in an end-to-end connection manner;
the first steam heat-insulating pipe and the second steam heat-insulating pipe both comprise working steel pipes, two ends of the outer circumference of each working pipe are connected with a plurality of positioning support frames, and the outer protective layer is sleeved at one end, away from each other, of each positioning support frame.
Further, a plurality of the positioning support frames are arranged around the outer circumference of the working pipe at equal intervals.
Furthermore, the positioning support frame comprises a first support tube, a second support tube and a third support tube, the first support tube, the second support tube and the third support tube are sequentially connected end to form an accommodating space of the isosceles ladder, the first support tube is connected with a fourth support tube at one end where the second support tube is separated, and the third support tube is connected with a fifth support tube at one end where the second support tube is separated.
Further, the fourth supporting pipe and the fifth supporting pipe are connected with the working pipe.
Furthermore, a plurality of pipe bracket support frames are further installed in the middle of the first steam heat-insulating pipe, and the pipe bracket support frames are arranged around the outer circumference of the working pipe at equal intervals.
Furthermore, the pipe bracket supporting frame is formed by connecting two positioning supporting frames along the length direction of the working steel pipe;
the fourth supporting tube or the fifth supporting tube of one positioning supporting frame is connected with the fourth supporting tube or the fifth supporting tube of the other positioning supporting frame;
the pipe bracket supporting frame is connected with the surface of the working steel pipe in a tangent mode.
The two second supporting pipes are respectively connected with the annular plate.
Furthermore, the first steam heat-preservation pipe also comprises a sliding pipe support, and the sliding pipe support is arranged opposite to the pipe support frame;
the sliding pipe support comprises a bottom plate and an annular hoop plate, wherein a plurality of reinforcing plates arranged at intervals are arranged between the bottom plate and the annular hoop plate, and the annular hoop plate is connected with the outer protective layer in an embracing mode.
Furthermore, high-temperature glass wool, aluminum foil glass fiber cloth and polyurethane foam plastic are sequentially filled between the working steel pipe and the annular plate.
The utility model has the beneficial effects that: the prefabricated overhead steam heat-insulating pipe adopts an environment-friendly high-temperature glass wool heat-insulating material and polyurethane stearic foam composite heat-insulating structure, and the heat-insulating material is light in weight, low in heat conductivity coefficient and good in heat-insulating property. The glass wool and the polyurethane are sprayed, the heat-insulating material can be well attached to the surface of a pipeline, wrapping dead angles are not generated, the connection strength is high, looseness is not prone to occurring, the heat-insulating structure is high in integrity, and the heat-insulating performance is excellent. Be equipped with the location support frame in the compound incubation structure, promote the whole compressive property of pipeline, the location support frame can support well simultaneously and fix insulation material, prevents that insulation material from taking place extrusion, not hard up deformation in later stage transportation, installation, use. Polyurethane hard grease foam plastic is used for outer layer heat preservation, and the outer protective layer adopts spiral concatenation, has good waterproof performance. The product quality is reliable, the factory prefabrication production is adopted, the mechanized standardized flow manufacturing process is adopted, the product quality is stable, and the service life is long. The construction is convenient and fast, the on-site modular assembly construction is realized, only the interface heat preservation link needs the on-site operation, the operation intensity is greatly reduced, the construction period is greatly shortened, and the on-site pollution is reduced. The pipeline appearance is level and beautiful, and the color style is abundant, can customize wantonly.
Drawings
FIG. 1 is a schematic perspective view of a first steam insulation pipe according to the present invention;
FIG. 2 is a schematic structural view of a pipe bracket support frame and a positioning support frame of the first steam insulation pipe according to the present invention;
FIG. 3 is a schematic perspective view of a second steam insulation pipe according to the present invention;
FIG. 4 is a schematic structural view of a first steam insulation pipe according to the present invention;
FIG. 5 is a second schematic perspective view of a second steam insulation pipe according to the present invention;
FIG. 6 is a schematic structural view of the positioning support frame;
fig. 7 is a schematic structural view of the pipe bracket support frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 5, a novel soft prefabricated overhead steam insulation pipe comprises a plurality of first steam insulation pipes 1 and a plurality of second steam insulation pipes 2, wherein the first steam insulation pipes 1 and the second steam insulation pipes 2 are alternately installed end to end;
the first steam heat-insulating pipe 1 and the second steam heat-insulating pipe 2 both comprise a working steel pipe 3, two ends of the outer circumference of the working pipe 3 are both connected with a plurality of positioning support frames 4, and the outer protective layer 10 is sleeved at one end, away from the working steel pipe 3, of each positioning support frame 4.
A plurality of the positioning support frames 4 are arranged around the outer circumference of the working pipe 3 at equal intervals.
Referring to fig. 6, the positioning support frame 4 includes a first support tube 401, a second support tube 402 and a third support tube 403, the first support tube 401, the second support tube 402 and the third support tube 403 are sequentially connected end to form an accommodating space 406 of an isosceles ladder, one end of the first support tube 401 away from the second support tube 402 is connected to a fourth support tube 404, and one end of the third support tube 403 away from the second support tube 402 is connected to a fifth support tube 405.
The fourth support tube 404 and the fifth support tube 405 are both connected to the working tube 3, and the second support tube 402 is parallel to the working tube 3.
A plurality of pipe bracket support frames 5 are further installed in the middle of the first steam heat-insulating pipe 1, and the pipe bracket support frames 5 are arranged around the outer circumference of the working pipe 3 at equal intervals.
Referring to fig. 7, the pipe bracket support 5 is formed by connecting two positioning supports 4 along the length direction of the working steel pipe 3;
the fourth support tube 404 or the fifth support tube 405 of one of the positioning support frames 4 is connected with the fourth support tube 404 or the fifth support tube 405 of the other of the positioning support frames 4;
the pipe bracket support frame 5 is connected with the surface of the working steel pipe 3 in a tangent mode.
The two second support pipes 402 are connected to the annular plate 6.
The first steam heat-preservation pipe 1 further comprises a sliding pipe support 8, and the sliding pipe support 8 is arranged opposite to the pipe support frame 5;
the sliding pipe bracket 8 comprises a bottom plate 801 and an annular hoop plate 802, wherein a plurality of reinforcing plates 803 arranged at intervals are arranged between the bottom plate 801 and the annular hoop plate 802, and the annular hoop plate 802 is connected with the outer protective layer 10 in an encircling mode.
High-temperature glass wool 701, aluminum foil glass fiber cloth 702 and polyurethane foam 703 are sequentially filled between the working steel pipe 3 and the annular plate 6.
In the first steam heat-insulating pipe 1 and the second steam heat-insulating pipe 2, the manufacturing steps of the high-temperature glass wool 701, the aluminum foil glass fiber cloth 702 and the polyurethane foam 703 are as follows:
and calculating the thickness of each heat-insulating layer in the composite heat-insulating structure according to actual conditions, wherein the temperature of the inner surface of the polyurethane heat-insulating layer is not more than 100 ℃.
S1, scattering superfine glass wool for full thinning and loosening, filling the superfine glass wool for spraying into a spraying machine, keeping the glass wool material in a bin sufficient, preparing a bonding agent, and putting the prepared bonding agent into a bonding agent storage box of the spraying machine;
s2, placing the two ends of the working steel pipe welded with the positioning support frame on an operation table with rollers, starting a power supply to rotate the rollers on the operation table, and driving the working steel pipe to axially rotate;
s3, spraying the surface of the working tube with an adhesive so that the glass wool and the adhesive are quickly adhered to the surface to prevent the adhesive from flowing downwards;
s4, a thickness scale is arranged, then glass wool spraying is carried out, spraying is carried out layer by layer in the spraying process, the thickness of each layer is not more than 20mm, the spraying uniformity is ensured, and the spraying is reinforced for the included angle between the support frame and the working pipe so as to ensure that no dead angle is left until the required thickness is reached;
s5, after the surface of the product to be sprayed is dried for about half an hour, according to the thickness scale, using different shaping tools of a hair roller and a pressing plate to carry out surface shaping, and ensuring the smoothness of the surface structure;
through above-mentioned technical scheme, the cotton insulation construction of superfine glass can be fine adhere to on work steel pipe and support frame surface, and joint strength is high, difficult not hard up, and can form a whole with location support family and conduit saddle support frame, and insulation construction is complete. The support frame has a good supporting effect on the heat insulation structure, so that the heat insulation structure is not easy to deform in the processes of later transportation, installation and use, the integrity and the stability of the heat insulation structure are ensured, and the heat insulation structure has good heat insulation performance. The spraying mode of rotating and spraying simultaneously is adopted, so that the heat-insulating material can be uniformly sprayed on the surface of the pipeline, and dead corners are not easy to generate in the spraying process.
S6, coating a layer of aluminum foil glass fiber cloth 702 anti-radiation layer on the surface of the sprayed high-temperature glass wool 701;
s7, spraying the prepared polyurethane on the surface of the aluminum foil glass fiber cloth 702 according to the required thickness of the polyurethane foam 703, wherein the spraying amount is required to ensure that the thickness of the polyurethane subjected to foaming molding contains processing allowance, waiting for the polyurethane to be foamed and hardened, placing a thickness scale, and performing multiple shape modification on the polyurethane;
and S8, finally nesting the upper outer protective layer 10 on the periphery of the pipeline.
In the conventional structure, the high-temperature glass wool 701, the aluminum foil glass fiber cloth 702 and the polyurethane foam 703 are coated layer by layer, and the technical scheme adopts a spraying process and directly sprays layer by layer, so that the problem that the working steel pipe is 3 long in the coating process is solved, and the modular assembly can be realized.
Through above-mentioned technical scheme, polyurethane foam insulation construction can form a whole with location support family and conduit saddle support frame, ensures that this device has good structural strength, thermal insulation performance and waterproof performance. And due to the supporting action of the positioning support frame and the pipe bracket support frame, the position of the polyurethane foam plastic can be well fixed, the superfine glass wool heat-insulating layer is not easily extruded, and the heat-insulating performance is ensured. After the polyurethane is foamed, the aluminum foil glass fiber cloth can be well wrapped and clamped in the superfine glass wool heat-insulating layer and the polyurethane foam heat-insulating layer. An aluminum foil glass fabric reflecting layer is added in the superfine glass wool heat-insulating layer and the polyurethane foam plastic heat-insulating layer, so that the heat radiation of the pipeline can be well reduced, and the heat-insulating property is improved. Foaming and hardening polyurethane, placing a thickness scale, and modifying the shape of the polyurethane for multiple times to ensure the matching between the polyurethane foam heat-insulating layer and the outer protective pipe.
The composite heat insulation structure of superfine glass wool and polyurethane foam is adopted, the superfine glass wool is light in weight and small in coefficient of thermal conductivity at a high temperature section, the polyurethane foam has extremely low coefficient of thermal conductivity at a low temperature section, and the heat insulation structure has excellent heat insulation performance by combining two heat insulation materials. The polyurethane foam has higher structure lightness and better waterproof performance, and can enhance the integral strength and waterproof performance of the pipeline heat-insulating structure when used as an outer layer heat-insulating material. The aluminum foil glass fabric reflecting layer is added in the superfine glass wool heat-insulating layer and the polyurethane foam plastic heat-insulating layer, so that the heat radiation of the pipeline can be well reduced, and the heat-insulating property is improved.
The pipeline support frame and the pipe bracket support frame are arranged, so that the strength, stability and impact resistance of the heat insulation structure can be well improved.
The superfine glass wool and the polyurethane foam adopt a spraying process, and the heat-insulating material can be well attached to the surfaces of a working pipeline and a support frame, so that coating dead corners are not generated. Due to the supporting effect of the positioning support frame and the pipe bracket support frame, the positions of the superfine glass wool and the polyurethane foam plastic can be well fixed, extrusion deformation is not easy to occur, and the structural stability is strong. The structure is complete after the heat preservation structure is integrally formed, and the superfine glass wool, the aluminum foil glass fiber cloth and the polyurethane foam plastic can form a whole with a positioning support and a pipe bracket support frame, so that the device is ensured to have good structural strength, heat preservation performance and waterproof performance.
The outer jacket adopts the finished outer protective pipe, so that the strength and the waterproof performance of the integral heat insulation structure can be well improved.
Example one
A novel soft prefabricated overhead steam heat-insulating pipe comprises a plurality of first steam heat-insulating pipes 1 and second steam heat-insulating pipes 2 which are connected end to end, and the selection of the first steam heat-insulating pipes 1 and the second steam heat-insulating pipes 2 can be selected according to the actual requirements on the site;
the second steam heat-preservation pipe 2 comprises a working steel pipe 3, positioning support frames 4 are installed at two ends of the outer surface of the working steel pipe 3, the positioning support frames 4 are multiple and are installed around the working steel pipe 3 at equal intervals, and the positioning support frames 4 are used for supporting.
High-temperature glass wool 701, aluminum foil glass fiber cloth 702 and polyurethane foam 703 are sequentially injected into the accommodating space 406, the accommodating space 406 is filled, and the outer protective layer 10 is sleeved on the outer surface of the polyurethane foam 703 and is abutted against the second support pipe 402.
Example two
A novel soft prefabricated overhead steam heat-insulating pipe comprises a plurality of first steam heat-insulating pipes 1 and a plurality of second steam heat-insulating pipes 2 which are alternately connected according to requirements;
the first steam heat-insulating pipe 1 comprises a working steel pipe 3, two ends of the outer surface of the working steel pipe 3 are respectively provided with a positioning support frame 4, the middle part of the outer surface of the working steel pipe 3 is provided with a pipe bracket support frame 5, a plurality of pipe bracket support frames 5 are respectively vertically arranged around the outer surface of the working steel pipe 3 at equal intervals,
wherein, a plurality of accommodation spaces 406 are arranged along the length direction of the working steel pipe 3, and are sequentially filled with high-temperature glass wool 701, aluminum foil glass fiber cloth 702 and polyurethane foam 703, and the accommodation spaces 406 are filled up, the annular plates 6 are two, the two annular plates 6 are respectively connected with the two second support pipes 402 of the pipe bracket support frame 5, the outer protective layer 10 is sleeved outside the annular plates 6, the outer surface of the outer protective layer 10 is sleeved with the sliding pipe bracket 8, and the sliding pipe bracket 8 and the pipe bracket support frame 5 are correspondingly arranged in position.
The sliding pipe bracket 8 is used for supporting the gravity of the pipeline in the vertical direction, and is used for enhancing the structural strength of the pipeline at the positioning support frame 4 and preventing the heat insulation structure from being damaged by extrusion.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a novel steam insulating tube is maked somebody a mere figurehead to soft prefabrication which characterized in that: the steam insulation system comprises a plurality of first steam insulation pipes (1) and a plurality of second steam insulation pipes (2), wherein the first steam insulation pipes (1) and the second steam insulation pipes (2) are alternately arranged in an end-to-end connection manner;
first steam insulating tube (1) with second steam insulating tube (2) all include work steel pipe (3), the both ends of the outer circumference of work pipe (3) all are connected with a plurality of positioning support frame (4), positioning support frame (4) with work steel pipe (3) one end that leaves has cup jointed outer jacket (10).
2. The novel soft prefabricated overhead steam heat-preservation pipe of claim 1, characterized in that: the positioning support frames (4) are arranged around the outer circumference of the working pipe (3) at equal intervals.
3. The novel soft prefabricated overhead steam heat-preservation pipe of claim 1, characterized in that: the positioning support frame (4) comprises a first support tube (401), a second support tube (402) and a third support tube (403), the first support tube (401), the second support tube (402) and the third support tube (403) are sequentially connected end to form an accommodating space (406) of the isosceles ladder, the first support tube (401) is connected with the end, away from the second support tube (402), of the second support tube (402) to form a fourth support tube (404), and the third support tube (403) is connected with the end, away from the second support tube (402), of the third support tube (403) to form a fifth support tube (405).
4. The novel soft prefabricated overhead steam heat-preservation pipe of claim 3, characterized in that: the fourth support pipe (404) and the fifth support pipe (405) are both connected with the working pipe (3).
5. The novel soft prefabricated overhead steam heat-preservation pipe of claim 4, characterized in that: a plurality of pipe bracket support frames (5) are further installed in the middle of the first steam heat-insulating pipe (1), and the pipe bracket support frames (5) are arranged around the outer circumference of the working pipe (3) at equal intervals.
6. The novel soft prefabricated overhead steam heat-preservation pipe of claim 5, characterized in that: the pipe bracket supporting frame (5) is formed by connecting two positioning supporting frames (4) along the length direction of the working steel pipe (3);
the fourth support pipe (404) or the fifth support pipe (405) of one positioning support frame (4) is connected with the fourth support pipe (404) or the fifth support pipe (405) of the other positioning support frame (4);
the pipe bracket supporting frame (5) is connected with the surface of the working steel pipe (3) in a tangent mode.
The two second support pipes (402) are respectively connected with the annular plate (6).
7. The novel soft prefabricated overhead steam heat-preservation pipe of claim 6, characterized in that: the first steam heat-preservation pipe (1) further comprises a sliding pipe support (8), and the sliding pipe support (8) is arranged opposite to the pipe support frame (5);
slip conduit saddle (8) include bottom plate (801) and annular clamp board (802), bottom plate (801) with reinforcing plate (803) that a plurality of intervals set up are equipped with between annular clamp board (802), annular clamp board (802) with outer jacket (10) are embraced mutually.
8. The novel soft prefabricated overhead steam heat-preservation pipe of claim 6, characterized in that: high-temperature glass wool (701), aluminum foil glass fiber cloth (702) and polyurethane foam (703) are sequentially filled between the working steel pipe (3) and the annular plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121824726.9U CN215862116U (en) | 2021-08-06 | 2021-08-06 | Novel soft prefabricated built on stilts steam insulating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121824726.9U CN215862116U (en) | 2021-08-06 | 2021-08-06 | Novel soft prefabricated built on stilts steam insulating tube |
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| Publication Number | Publication Date |
|---|---|
| CN215862116U true CN215862116U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121824726.9U Active CN215862116U (en) | 2021-08-06 | 2021-08-06 | Novel soft prefabricated built on stilts steam insulating tube |
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| Country | Link |
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| CN (1) | CN215862116U (en) |
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2021
- 2021-08-06 CN CN202121824726.9U patent/CN215862116U/en active Active
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