CN217081900U - Pipeline insulation structure and high temperature pipeline - Google Patents
Pipeline insulation structure and high temperature pipeline Download PDFInfo
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- CN217081900U CN217081900U CN202220758582.XU CN202220758582U CN217081900U CN 217081900 U CN217081900 U CN 217081900U CN 202220758582 U CN202220758582 U CN 202220758582U CN 217081900 U CN217081900 U CN 217081900U
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Abstract
The utility model provides a pipeline insulation construction and insulating tube way, pipeline insulation construction include shell, heat preservation and a plurality of support ring, and is a plurality of the support ring spacer sleeve is established on the pipeline body, the heat preservation parcel is in the outside of support ring, the heat preservation with form the heat storage chamber between the pipeline body, the shell cover is established on the heat preservation. The heat preservation layer is arranged between the shell and the support ring, compared with the air, the heat preservation layer has better heat preservation effect, the heat generated by the pipeline body can be kept in the heat storage cavity, the excellent heat preservation effect is realized, and the economical efficiency of the system operation is improved; due to the existence of the heat-insulating layer, the heat transferred to the shell is little, the temperature of the shell is not very high, and the safety of the high-temperature pipeline is improved; the heat preservation can also play the effect of increasing structural strength, avoids the shell atress to damage.
Description
Technical Field
The utility model relates to a pipeline heat preservation technical field particularly, relates to a pipeline insulation structure and high temperature pipeline.
Background
The heat preservation of the pipeline is a process measure which is adopted for reducing the heat transmission of the system to the outside or the external heat transmission into the system, and is widely applied to a liquid and gas conveying pipe network. The pipeline heat preservation has important effects on high-temperature conveying pipelines, such as reducing heat loss, saving energy and improving the economical efficiency of system operation; the temperature of the outer surface is reduced, and operation operators are prevented from being scalded, so that whether the pipeline heat preservation is successful or not is directly related to whether the high-temperature pipeline can be normally put into use or not.
In the prior art, rock wool is generally adopted as a pipeline heat-insulating material, and a pipeline heat-insulating construction method comprises the steps of pipeline rust removal, rust-proof primer brushing, heat-insulating material installation, glass fiber cloth wrapping, white iron sheet or aluminum sheet wrapping and the like. The heat-insulating structure has poor waterproof performance, complex construction, short service life, strong water absorption and difficult treatment of waste heat-insulating materials, and the rock wool is harmful to human bodies and can corrode pipelines once meeting water.
Chinese patent CN105318143A discloses a pipeline thermal insulation device, which is provided with a thermal insulation coating layer and a support ring made of high temperature resistant material on the outer surface of the outer shell, so that a ring-shaped thermal storage and insulation cavity can be formed among the outer shell, the pipeline and the support ring at intervals, and the thermal insulation effect is achieved by using the static air and the thermal insulation paint in the thermal storage and insulation cavity distributed in a net shape formed on the outer wall of the high temperature pipeline as a pipeline thermal insulation layer. However, the heat storage and insulation cavity of the insulation structure takes air as a heat insulation medium, the insulation effect is poor, the heat of the pipeline is directly transferred into the heat storage and insulation cavity and then transferred onto the shell plate, so that the high requirement on heat insulation paint is met in order to avoid the overhigh temperature of the shell plate, or the thickness of the heat storage and insulation cavity needs to be increased for effective heat insulation, and the heat loss of the pipeline is large, so that the requirement on heat insulation and transportation of high-temperature materials cannot be met; in addition, the hollow structure is arranged between the outer shell plate and the pipeline, the support is lacked, the outer shell plate is easy to damage, heat leakage is caused, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to improve high temperature pipeline's heat preservation effect and avoid the lagging casing to damage.
In order to solve the technical problem, the utility model provides a pipeline insulation structure, including shell, heat preservation and a plurality of support ring, it is a plurality of the support ring spacer sleeve is established on the pipeline body, the heat preservation parcel is in the outside of support ring, the heat preservation with form the heat accumulation chamber between the pipeline body, the shell cover is established on the heat preservation.
Compared with the prior art, the pipeline heat-insulating structure has the advantages that the heat-insulating layer is arranged between the shell and the support ring, has a better heat-insulating effect compared with air, can keep heat generated by the pipeline body in the heat-storing cavity, realizes an excellent heat-insulating effect, and improves the economical efficiency of system operation; due to the existence of the heat-insulating layer, the heat transferred to the shell is little, the temperature of the shell is not very high, and the safety of the high-temperature pipeline is improved; the heat preservation can also play the effect of increasing structural strength, avoids the shell atress to damage.
Further, the material of the heat preservation layer is aerogel heat insulation felt. The aerogel has density low, aperture is little, a great deal of advantage such as thermal coefficient low, is the insulation material of an ideal, sets up the thermal-insulated felt of aerogel and can improve insulation construction's heat preservation effect, can also avoid the shell to damage.
Furthermore, the thickness T1 of the heat insulation layer and the thickness T2 of the heat storage cavity meet the relation T1/T2 of 0.1-0.5. The thickness relation of the heat-insulating layer and the heat storage cavity is limited, so that the heat-insulating effect is ensured and the economical efficiency is also considered.
Further, the surface of the shell is coated with heat-insulating paint. Therefore, the heat insulation effect of the heat insulation structure is further enhanced, and the temperature of the surface of the shell is reduced.
Further, the distance between the adjacent support rings is 10-80 cm. The distance between the support rings is limited, a heat storage cavity distributed in a net shape is formed, and the support strength of the heat insulation layer and the shell is guaranteed.
Further, the material of the support ring is ceramic. The support ring has strong high temperature resistance and high structural strength, and the service life of the pipeline heat-insulating structure is prolonged.
Further, the support ring includes first and second bearing-shaped supports that sandwich the pipe body from both sides. The support ring comprises two support pieces, and the heat preservation structure construction installation of being convenient for.
Furthermore, first connecting holes are formed in two ends of the first supporting piece, second connecting holes are formed in two ends of the second supporting piece, and connecting pieces are arranged in the adjacent first connecting holes and the adjacent second connecting holes. Therefore, the two supporting pieces are convenient to position and mount, and can not be separated and damaged after mounting.
Furthermore, two ends of the first support piece are provided with protruding positioning blocks, and two ends of the second support piece are provided with positioning grooves matched with the positioning blocks. Therefore, the two supporting pieces are convenient to position and mount, and dislocation is avoided.
The utility model also provides a high temperature pipeline, including foretell pipeline insulation construction.
Compared with the prior art, the utility model discloses a high temperature pipeline has designed a neotype insulation construction, and it has that the heat preservation effect is excellent, simple structure, light environmental protection, leakproofness are good, construction convenience, long service life etc. a plurality of advantages, and insulation construction can also reuse after demolising, has fine application promotion prospect.
Drawings
FIG. 1 is a diagram of a high temperature pipeline according to an embodiment of the present invention;
FIG. 2 is a sectional view of the A-A surface of the high temperature pipeline in the embodiment of the present invention;
fig. 3 is a cross-sectional view of a B-B surface of a high-temperature pipeline in an embodiment of the present invention.
Description of reference numerals:
1-shell, 2-insulating layer, 3-support ring, 31-first support piece, 32-second support piece, 33-first connecting hole, 34-second connecting hole, 4-heat storage cavity and 5-pipeline body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Combine as shown in 1 to 3, the embodiment of the utility model discloses a pipeline insulation construction and have this insulation construction's high temperature pipeline is disclosed to the embodiment, and pipeline insulation construction includes shell 1, heat preservation 2 and a plurality of support ring 3, and 3 interval covers of a plurality of support rings are established on pipeline body 5, and 2 parcels in the outside of support ring 3 in the heat preservation, form heat accumulation chamber 4 between heat preservation 2 and the pipeline body 5, and 1 covers of shell is established on the heat preservation 2. Compared with the air, the heat preservation layer 2 has a better heat preservation effect, can retain the heat generated by the pipeline body 5 in the heat storage cavity 4, realizes an excellent heat preservation effect, and improves the economical efficiency of system operation; due to the existence of the heat-insulating layer 2, the heat transferred to the shell 1 is little, the temperature of the shell 1 is not very high, and the safety of a high-temperature pipeline is improved.
In this embodiment, the material of heat preservation 2 is the thermal-insulated felt of aerogel, has fine heat preservation effect, plays the effect that increases structural strength, avoids 1 atress of shell to damage. The material of support ring 3 is ceramic, and its structural strength is high, can be high temperature resistant, prolongs pipeline insulation construction's life. The shell 1 is made of metal or polymer material and is fixedly arranged outside the heat preservation layer 2 in a bundling or gluing mode.
Furthermore, the surface of the 1 layer of the shell is coated with the heat-insulating coating, so that the heat-insulating effect of the heat-insulating structure can be enhanced, the temperature of the surface of the 1 layer of the shell is reduced, and operators are prevented from being damaged.
Referring to fig. 2, the support rings 3 are arranged at equal intervals, and the distance L between adjacent support rings 3 is 10-80 cm. The distance between the supporting rings 3 is limited, and the supporting strength of the insulating layer 2 and the shell 1 layer is ensured. The thickness T1 of the heat preservation layer 2 is 1-25 cm, the thickness T2 of the heat storage cavity 4 is 5-50 cm, and the design is carried out according to the pipe diameter of the pipeline body 5 and the temperature of conveyed materials.
Further, the thickness T1 of the heat preservation layer 2 and the thickness T2 of the heat storage cavity 4 are limited to satisfy the relation T1/T2 being 0.1-0.5, so that the heat preservation layer 2 and the heat storage cavity 4 can be matched with each other, a good heat preservation effect is achieved, heat preservation materials can be saved, and the construction cost is reduced.
Referring to fig. 3, the support ring 3 includes a first support member 31 and a second support member 32 in a shape of a bearing shell, and the first support member 31 and the second support member 32 clamp the pipe body 5 from both sides, so that the pipe body can be easily disassembled. The both ends of first support piece 31 are equipped with first connecting hole 33, and second connecting hole 34 is established at the both ends of second support piece 32, are equipped with the connecting piece in adjacent first connecting hole 33 and the second connecting hole 34, from this through the connecting piece with two support piece location installations, can not separate the damage after the installation.
Furthermore, two ends of the first supporting member 31 are provided with protruding positioning blocks, two ends of the second supporting member 32 are provided with positioning grooves matched with the positioning blocks, and when the supporting ring 3 is installed, the positioning blocks are inserted into the positioning grooves, so that the two supporting members are prevented from being dislocated.
The high-temperature pipeline of above-mentioned embodiment has designed a neotype insulation construction, and it has heat preservation effect excellence, simple structure, light environmental protection, leakproofness are good, construction convenience, long service life etc. a plurality of advantages.
Examples of the experiments
Two steel tubes of DN25 were used, one as experimental group and the other as control group. The outside of experiment group steel pipe sets up the insulation construction of above-mentioned embodiment, and the thickness in heat accumulation chamber is 5cm, and the thickness of heat preservation is 1cm, and the thickness of shell is 1mm, and the shell surface coating is the thermal insulation coating that 0.5mm is thick. The outside parcel of control group steel pipe is rock wool of 6cm thickness, and the rock wool outside sets up 1 mm's stainless steel shell.
Heating the steel pipes of the experimental group and the control group to 200 ℃ by using an automatic temperature controller under the indoor environment of 32 ℃, then stopping heating, and recording the surface temperatures of the steel pipes and the surface temperature of the heat preservation structure, wherein the test results of the experimental group and the control group are shown in the following tables 1 and 2.
| Time | Surface temperature of steel pipe | Surface temperature of the heat-insulating layer |
| 0 point (min) | 210 | 23 |
| 3 points of | 168 | 25.5 |
| 5 points of | 136 | 30 |
| 8 is divided into | 123 | 31 |
| 10 minutes | 114 | 33 |
| 13 points of | 106 | 33 |
| 15 minutes | 103.5 | 33 |
| 19 minutes | 96.6 | 33 |
TABLE 1 test data for thermal insulation performance of the experimental groups
TABLE 2 control group insulation Performance test data
The test result shows that the heat insulation structure of the experimental group has a better heat insulation effect, is convenient to construct and environment-friendly, can be repeatedly used after being disassembled, and has good application and popularization prospects.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a pipeline insulation structure, its characterized in that, includes shell (1), heat preservation (2) and a plurality of support ring (3), and is a plurality of support ring (3) interval cover is established on pipeline body (5), heat preservation (2) parcel is in the outside of support ring (3), heat preservation (2) with form heat accumulation chamber (4) between pipeline body (5), shell (1) cover is established on heat preservation (2).
2. The pipe insulation according to claim 1, wherein the material of the insulation layer (2) is aerogel insulation blanket.
3. The pipe insulation structure according to claim 2, wherein the thickness T1 of the insulation layer (2) and the thickness T2 of the heat storage cavity (4) satisfy the relationship T1/T2 of 0.1-0.5.
4. The pipe insulation according to claim 1, characterized in that the surface of the outer shell (1) is coated with an insulation coating.
5. The pipe insulation structure according to claim 1, wherein the distance between adjacent support rings (3) is 10-80 cm.
6. The pipe insulation according to claim 1, characterized in that the material of the support ring (3) is ceramic.
7. The pipe insulation according to any of claims 1-6, characterized in that the support ring (3) comprises a first support (31) and a second support (32) in the form of shoes, the first support (31) and the second support (32) clamping the pipe body (5) from both sides.
8. The piping insulation structure according to claim 7, wherein both ends of the first support member (31) are provided with first connection holes (33), both ends of the second support member (32) are provided with second connection holes (34), and a connection member is provided in the adjacent first connection hole (33) and second connection hole (34).
9. The pipe insulation structure according to claim 7, wherein the first support member (31) is provided with protruding positioning blocks at two ends thereof, and the second support member (32) is provided with positioning grooves at two ends thereof, wherein the positioning grooves are matched with the positioning blocks.
10. A high temperature pipe comprising the pipe insulation structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220758582.XU CN217081900U (en) | 2022-03-30 | 2022-03-30 | Pipeline insulation structure and high temperature pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220758582.XU CN217081900U (en) | 2022-03-30 | 2022-03-30 | Pipeline insulation structure and high temperature pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217081900U true CN217081900U (en) | 2022-07-29 |
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ID=82552129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220758582.XU Active CN217081900U (en) | 2022-03-30 | 2022-03-30 | Pipeline insulation structure and high temperature pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217081900U (en) |
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2022
- 2022-03-30 CN CN202220758582.XU patent/CN217081900U/en active Active
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