CN215111051U - Flame-retardant high-temperature-resistant non-metallic expansion joint - Google Patents
Flame-retardant high-temperature-resistant non-metallic expansion joint Download PDFInfo
- Publication number
- CN215111051U CN215111051U CN202120442961.3U CN202120442961U CN215111051U CN 215111051 U CN215111051 U CN 215111051U CN 202120442961 U CN202120442961 U CN 202120442961U CN 215111051 U CN215111051 U CN 215111051U
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- China
- Prior art keywords
- expansion
- retardant
- expansion bellows
- flame
- fire
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- Expired - Fee Related
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 47
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims description 25
- 239000000945 filler Substances 0.000 claims abstract description 13
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims 1
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 20
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 8
- 239000010931 gold Substances 0.000 description 8
- 229910052737 gold Inorganic materials 0.000 description 8
- 239000011241 protective layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a fire-retardant high temperature resistant nonmetal expansion joint, including expansion bellows and the flange that is located expansion bellows both ends, expansion bellows's outside is provided with fire-retardant outer tube, it has the fire retardant to fill between fire-retardant outer tube and the expansion bellows, expansion bellows's inside is provided with high temperature resistant pipeline layer, it has thermal-insulated filler to fill between high temperature resistant pipeline layer and the expansion bellows. The utility model discloses in, high temperature resistant pipeline layer is used for the inside heat of separation to get into expansion bellows in the course of the work, causes expansion bellows pipe wall impaired with the expansion bellows contact, and it has thermal-insulated filler can strengthen the compressive strength on high temperature resistant pipeline layer to fill between high temperature resistant pipeline layer and the expansion bellows, avoids heat transfer to expansion bellows on simultaneously to reach the purpose of keeping apart high temperature protection expansion bellows from inside.
Description
Technical Field
The utility model relates to a nonmetal expansion joint technical field especially relates to a fire-retardant high temperature resistant nonmetal expansion joint.
Background
The non-gold expansion joint is also called a non-gold compensator, a fabric compensator or a compensator. The material is mainly fiber special fabric, rubber, high temperature resistant material, etc. Can compensate the vibration of the running of the fan and the air pipe and the deformation of the pipeline. The non-gold expansion joint can compensate axial direction, transverse direction and angular direction, has the characteristics of no thrust, simplified support design, corrosion resistance, high temperature resistance, noise elimination, vibration reduction and the like, and is particularly suitable for hot air pipelines and smoke dust pipelines.
The existing non-gold expansion joint is poor in high temperature resistance because the existing non-gold expansion joint is not made of metal materials, and if the existing non-gold expansion joint is in fire and other emergency situations, the existing non-gold expansion joint does not have a fireproof and flame-retardant effect, is easy to damage, and reduces the service life of the non-gold expansion joint.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the flame-retardant high-temperature-resistant nonmetal expansion joint aims to solve the problems that the nonmetal expansion joint is poor in high-temperature resistance and flame-retardant effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the flame-retardant high-temperature-resistant nonmetal expansion joint comprises an expansion corrugated pipe and connecting flanges positioned at two ends of the expansion corrugated pipe, wherein a flame-retardant outer pipe is arranged outside the expansion corrugated pipe, a flame retardant is filled between the flame-retardant outer pipe and the expansion corrugated pipe, a high-temperature-resistant pipeline layer is arranged inside the expansion corrugated pipe, and a heat-insulating filler is filled between the high-temperature-resistant pipeline layer and the expansion corrugated pipe.
As a further description of the above technical solution:
and a filler pipe is arranged on the flame-retardant outer pipe.
As a further description of the above technical solution:
the flame-retardant outer tube is provided with arc-shaped outward-expanding parts distributed at equal intervals.
As a further description of the above technical solution:
the high-temperature-resistant pipeline layer is provided with a plurality of concave parts, and elastic reinforcing ribs are arranged inside the concave parts.
As a further description of the above technical solution:
the high-temperature resistant pipeline layer is prepared from a nano microporous heat insulation material.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, high temperature resistant pipeline layer is used for the inside heat of separation to get into expansion bellows in the course of the work, causes expansion bellows pipe wall impaired with the expansion bellows contact, and it has thermal-insulated filler can strengthen the compressive strength on high temperature resistant pipeline layer to fill between high temperature resistant pipeline layer and the expansion bellows, avoids heat transfer to expansion bellows on simultaneously to reach the purpose of keeping apart high temperature protection expansion bellows from inside.
2. The utility model discloses in, fire-retardant outer tube forms the protective layer in expansion bellows's outside in the course of the work, when using under emergency such as conflagration, its outside fire-retardant outer tube can prevent the flame from burning out expansion bellows, guarantees expansion bellows's normal use, it can form the partition layer in expansion bellows's outside to fill the fire retardant through between fire-retardant outer tube and the expansion bellows, avoids the intensity of a fire to stretch to expansion bellows on to reach the purpose of keeping apart the fire source protection expansion bellows outside.
Drawings
Fig. 1 is a schematic front view of an internal structure of a flame-retardant high-temperature-resistant non-metallic expansion joint according to an embodiment of the present invention;
fig. 2 shows a schematic structural view of a front cross-sectional view of a flame-retardant high-temperature-resistant non-metallic expansion joint according to an embodiment of the present invention.
Illustration of the drawings:
1. an expansion bellows; 2. a connecting flange; 3. a filler tube; 4. a flame retardant; 5. a flame retardant outer tube; 6. an arc-shaped outward-expanding part; 7. an inner concave portion; 8. elastic reinforcing ribs; 9. a thermally insulating filler; 10. high temperature resistant pipeline layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: fire-retardant high temperature resistant nonmetal expansion joint, including expansion bellows 1 and the flange 2 that is located expansion bellows 1 both ends, expansion bellows 1's outside is provided with fire-retardant outer tube 5, fire-retardant outer tube 5 forms the protective layer in expansion bellows 1's outside, avoid expansion bellows 1's outside damage, it has fire retardant 4 to fill between fire-retardant outer tube 5 and the expansion bellows 1, expansion bellows 1's inside is provided with high temperature resistant pipeline layer 10, high temperature resistant pipeline layer 10 forms the protective layer in expansion bellows 1's inside, avoid expansion bellows 1's inside impaired, it has thermal-insulated filler 9 to fill between high temperature resistant pipeline layer 10 and the expansion bellows 1, thermal-insulated filler 9 can block the heat and transmit to expansion bellows 1.
Specifically, as shown in fig. 1, a filler pipe 3 is disposed on the flame-retardant outer pipe 5, so that a flame retardant 4 can be conveniently added into a space between the flame-retardant outer pipe 5 and the expansion corrugated pipe 1.
Specifically, as shown in fig. 2, the flame-retardant outer tube 5 is provided with arc-shaped flaring portions 6 distributed at equal intervals, and the arc-shaped flaring portions 6 can absorb the expansion or extrusion amount generated by the expansion and contraction of the expansion corrugated tube 1.
Specifically, as shown in fig. 2, the high temperature resistant pipeline layer 10 is provided with a plurality of concave portions 7, the elastic reinforcing ribs 8 are arranged inside the concave portions 7, the expansion or extrusion amount caused by expansion with heat and contraction with cold inside the pipeline is eliminated through the deformation of the concave portions 7, and the elastic reinforcing ribs 8 are reused to improve the reset strength of the concave portions 7.
Specifically, as shown in fig. 2, the high temperature resistant pipeline layer 10 is made of a nano microporous thermal insulation material, and the thermal conductivity of the nano microporous thermal insulation material is as low as 0.026w/mk, so that the high temperature resistant pipeline layer has a strong thermal insulation effect and is lower than that of air.
The working principle is as follows: when the high-temperature-resistant pipeline layer is used, the high-temperature-resistant pipeline layer 10 is used for preventing internal heat from entering the expansion corrugated pipe 1 in the working process and contacting with the expansion corrugated pipe 1 to damage the pipe wall of the expansion corrugated pipe 1, and the heat-insulating filler 9 filled between the high-temperature-resistant pipeline layer 10 and the expansion corrugated pipe 1 can enhance the compressive strength of the high-temperature-resistant pipeline layer 10 and prevent the heat from being transferred to the expansion corrugated pipe 1, so that the purpose of isolating the high-temperature-resistant expansion corrugated pipe 1 from the inside and protecting the expansion corrugated pipe 1 is achieved; the fire-retardant outer tube 5 forms the protective layer in the outside of expansion bellows 1 in the course of the work, when using under emergency such as conflagration, its outside fire-retardant outer tube 5 can prevent the flame from burning out expansion bellows 1, guarantee expansion bellows 1's normal use, it can form the partition layer in expansion bellows 1's outside to fill fire retardant 4 through filling between fire-retardant outer tube 5 and the expansion bellows 1, avoid the intensity of a fire to spread on expansion bellows 1, thereby reach the purpose of keeping apart the fire source protection expansion bellows 1 outside.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a fire-retardant high temperature resistant nonmetal expansion joint, includes expansion bellows (1) and flange (2) that are located expansion bellows (1) both ends, its characterized in that, expansion bellows's (1) outside is provided with fire-retardant outer tube (5), it has fire retardant (4) to fill between fire-retardant outer tube (5) and expansion bellows (1), expansion bellows's (1) inside is provided with high temperature resistant pipeline layer (10), it has thermal-insulated filler (9) to fill between high temperature resistant pipeline layer (10) and expansion bellows (1).
2. The flame-retardant high-temperature-resistant non-metallic expansion joint according to claim 1, characterized in that a filler pipe (3) is arranged on the flame-retardant outer pipe (5).
3. The flame-retardant high-temperature-resistant nonmetal expansion joint according to claim 1, characterized in that the flame-retardant outer pipe (5) is provided with arc-shaped flaring parts (6) which are distributed at equal intervals.
4. The non-metallic flame-retardant high-temperature-resistant expansion joint as claimed in claim 1, wherein the high-temperature-resistant pipeline layer (10) is provided with a plurality of concave parts (7), and elastic reinforcing ribs (8) are arranged inside the concave parts (7).
5. The flame-retardant high-temperature-resistant nonmetal expansion joint as claimed in claim 1, wherein the high-temperature-resistant pipeline layer (10) is prepared by nano-microporous heat-insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120442961.3U CN215111051U (en) | 2021-03-01 | 2021-03-01 | Flame-retardant high-temperature-resistant non-metallic expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120442961.3U CN215111051U (en) | 2021-03-01 | 2021-03-01 | Flame-retardant high-temperature-resistant non-metallic expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215111051U true CN215111051U (en) | 2021-12-10 |
Family
ID=79336524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120442961.3U Expired - Fee Related CN215111051U (en) | 2021-03-01 | 2021-03-01 | Flame-retardant high-temperature-resistant non-metallic expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215111051U (en) |
-
2021
- 2021-03-01 CN CN202120442961.3U patent/CN215111051U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |