CN220037724U - Polyethylene pipe capable of preventing fire and heat - Google Patents
Polyethylene pipe capable of preventing fire and heat Download PDFInfo
- Publication number
- CN220037724U CN220037724U CN202321251332.8U CN202321251332U CN220037724U CN 220037724 U CN220037724 U CN 220037724U CN 202321251332 U CN202321251332 U CN 202321251332U CN 220037724 U CN220037724 U CN 220037724U
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- China
- Prior art keywords
- layer
- heat
- insulating
- fireproof
- insulating layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 22
- -1 Polyethylene Polymers 0.000 title claims abstract description 21
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 11
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 11
- 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 claims abstract description 5
- 239000003063 flame retardant Substances 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 64
- 238000005728 strengthening Methods 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009545 invasion Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 12
- 238000009826 distribution Methods 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Thermal Insulation (AREA)
Abstract
The utility model discloses a fireproof heat-insulating polyethylene pipe, which comprises a pipe body, wherein a heat-insulating layer is fixedly arranged on the outer side of the pipe body, a reinforcing layer is sleeved on the outer side of the heat-insulating layer, a plurality of annular distributed reinforcing ribs are fixedly arranged on the periphery of the heat-insulating layer, a plurality of groups of annular distributed springs are fixedly arranged between the heat-insulating layer and the reinforcing layer, and a fireproof layer is fixedly arranged on the outer side of the reinforcing layer. The insulating layer can separate external heat, avoids the invasion of heat to the tubular product body as far as possible, reaches thermal-insulated effect, improves the tensile property of tubular product body through the enhancement layer to the carbon nanotube has good heat transfer property, conducts external heat, has certain thermal-insulated effect, when receiving the conflagration invasion and attack, the flame retardant coating can prevent the tubular product body by burning out as far as possible, improves the fire behavior of tubular product body.
Description
Technical Field
The utility model belongs to the technical field of polyethylene pipes, and particularly relates to a fireproof heat-insulating polyethylene pipe.
Background
Polyethylene tubing, also known as high density polyethylene, is a thermoplastic resin with high crystallinity and non-polarity, the appearance of the original polyethylene is milky white, and the original polyethylene is translucent to a certain extent in a micro-thin section, and PE has excellent properties of resisting most chemicals for life and industry, and certain kinds of chemicals can generate chemical corrosion, such as corrosive oxidizing agents (concentrated nitric acid), aromatic hydrocarbons (xylene) and halogenated hydrocarbons (carbon tetrachloride), and the polymer is non-hygroscopic and has good waterproof steam property, so that the polyethylene has good electrical properties, particularly high dielectric strength, and is very suitable for wires and cables.
The existing polyethylene pipe is easy to melt and deform in high-temperature areas or areas close to high-temperature heat sources, and even causes fire disasters seriously, so that great potential safety hazards are brought.
Disclosure of Invention
Aiming at the problems that the polyethylene pipe is easy to melt, deform and the like in a high-temperature area or an area close to a high-temperature heat source and even causes fire disaster, the utility model provides the fireproof heat-insulating polyethylene pipe.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a but thermal-insulated polyethylene pipe of fire prevention, includes the tubular product body, the fixed insulating layer that is provided with in tubular product body outside, the cover is equipped with the enhancement layer in the insulating layer outside, the fixed strengthening rib that is provided with a plurality of cyclic annular distributions in insulating layer periphery, the fixed spring that is provided with multiunit cyclic annular distribution between insulating layer and the enhancement layer, the fixed flame retardant coating that is provided with in enhancement layer outside.
Preferably, the two ends of the pipe body are fixedly provided with sleeves, and the peripheries of the sleeves are provided with threads.
Preferably, the fireproof layer is a glass fiber cloth layer, and the heat insulation layer is a high-temperature-resistant silica gel ring layer.
Preferably, a plurality of wear-resisting bulges are fixedly arranged on the outer layer of the fireproof layer, and the plurality of wear-resisting bulges are distributed in an annular array.
Preferably, the plurality of groups of springs are respectively fixed with the heat insulation layer and the reinforcing layer, and the plurality of groups of springs and the plurality of reinforcing ribs are distributed at intervals.
Preferably, the material of the reinforcing layer is carbon nano tube, and the material of the reinforcing rib is a endurance plate.
Preferably, the inner surface of the pipe body is coated with an anti-corrosion coating, the anti-corrosion coating is a polyamide epoxy resin coating layer, and the thickness of the coating is 0.038-0.2 mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. the insulating layer can separate external heat, avoids the invasion of heat to the tubular product body as far as possible, reaches thermal-insulated effect, improves the tensile property of tubular product body through the enhancement layer to the carbon nanotube has good heat transfer property, conducts external heat, has certain thermal-insulated effect, when receiving the conflagration invasion and attack, the flame retardant coating can prevent the tubular product body by burning out as far as possible, improves the fire behavior of tubular product body.
2. When the tubular product body receives external pressure, cushion through enhancement layer extrusion multiunit spring, slow down pressure, when spring deformation to a certain extent, the enhancement layer contacts the strengthening rib, and the compressive property of strengthening rib is higher, and then protection tubular product body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the overall cross-section of the present utility model;
fig. 3 is a schematic structural view of a cross section of a pipe body according to the present utility model.
In the figure: 1. a pipe body; 2. a thermal insulation layer; 3. a reinforcing layer; 4. reinforcing ribs; 5. a spring; 6. a fire-blocking layer; 7. a sleeve; 8. wear-resisting bulges; 9. and (3) an anti-corrosion coating.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a fireproof heat-insulating polyethylene pipe comprises a pipe body 1, wherein an anti-corrosion coating 9 is coated on the inner surface of the pipe body 1, the anti-corrosion coating 9 is a polyamide epoxy resin coating layer, the thickness of the coating is 0.038-0.2 mm, and the anti-corrosion coating 9 is used for preventing the inside of the pipe body 1 from being corroded, reducing friction resistance to fluid and further improving fluid delivery. The outside of the pipe body 1 is fixedly provided with the heat insulation layer 2, the heat insulation layer 2 is a high-temperature-resistant silica gel ring layer, the heat insulation layer 2 can separate external heat, the heat is prevented from invading the pipe body 1 as much as possible, and the heat insulation effect is achieved. The reinforcing layer 3 is sleeved outside the heat insulation layer 2, the reinforcing layer 3 is made of carbon nanotubes, the carbon nanotubes have good mechanical properties, the hardness of the carbon nanotubes is equivalent to that of diamond, but the carbon nanotubes have good flexibility, the carbon nanotubes can be stretched, and then the tensile property of the pipe body 1 is improved through the reinforcing layer 3, and the carbon nanotubes have good heat transfer performance, conduct external heat and have a certain heat insulation effect.
The fixed strengthening rib 4 that is provided with a plurality of cyclic annular distributions in insulating layer 2 periphery, the material of strengthening rib 4 is the endurance board, the fixed spring 5 that is provided with multiunit cyclic annular distribution between insulating layer 2 and the enhancement layer 3, multiunit spring 5 is fixed with insulating layer 2 and enhancement layer 3 respectively, and multiunit spring 5 and a plurality of strengthening rib 4 interval distribution, when tubular product body 1 received external pressure, through the buffering of enhancement layer 3 extrusion multiunit spring 5, slow down pressure, when spring 5 deformation to a certain extent, enhancement layer 3 would contact strengthening rib 4, the compressive property of strengthening rib 4 is higher, and then protect tubular product body 1.
The fire-proof layer 6 is fixedly arranged on the outer side of the reinforcing layer 3, the fire-proof layer 6 is a glass fiber cloth layer, and the glass fiber cloth is a flame-retardant cloth, so that when being affected by fire, the pipe body 1 can be prevented from being burnt as much as possible, and the fire resistance of the pipe body 1 is improved.
The sleeve 7 is fixedly arranged at two ends of the pipe body 1, threads are arranged on the periphery of the sleeve 7, and the pipe body 1 and a pipe connecting piece are conveniently installed through the threads on the periphery of the sleeve 7.
The fireproof layer 6 periphery is fixed and is provided with a plurality of wear-resisting protruding 8, and a plurality of wear-resisting protruding 8 are the annular array and distribute, through setting up a plurality of wear-resisting protruding 8 that are the annular array and distribute, improves the wear resistance of fireproof layer 6, improves the life of tubular product body 1.
The principle of operation of the present utility model will now be described as follows: the anti-corrosion coating 9 is used for preventing the inside of the pipe body 1 from being corroded, reducing the friction resistance to fluid, further improving the fluid delivery, preventing the heat from being damaged to the pipe body 1 as much as possible by the heat insulation layer 2, achieving the heat insulation effect, improving the tensile property of the pipe body 1 through the reinforcing layer 3, and conducting the external heat by the carbon nano tube with good heat transfer performance, so that the pipe has a certain heat insulation effect. When tubular product body 1 receives external pressure, extrude multiunit spring 5 through enhancement layer 3 and cushion, slow down the pressure, when spring 5 deformation to a certain extent, enhancement layer 3 contacts strengthening rib 4, and the compressive property of strengthening rib 4 is higher, and then protection tubular product body 1. When being affected by fire, the fireproof layer 6 can prevent the pipe body 1 from being burnt as much as possible, and the fireproof performance of the pipe body 1 is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a but thermal-insulated polyethylene pipe of fire prevention, includes tubular product body (1), its characterized in that, tubular product body (1) outside is fixed to be provided with insulating layer (2), insulating layer (2) outside cover is equipped with enhancement layer (3), insulating layer (2) periphery is fixed to be provided with a plurality of ring-shaped distributed's strengthening rib (4), fixedly between insulating layer (2) and enhancement layer (3) be provided with multiunit ring-shaped distributed's spring (5), enhancement layer (3) outside is fixed to be provided with flame retardant coating (6).
2. The fireproof and heat-insulating polyethylene pipe according to claim 1, wherein the two ends of the pipe body (1) are fixedly provided with sleeves (7), and the peripheries of the sleeves (7) are provided with threads.
3. The fireproof and heat-insulating polyethylene pipe according to claim 1, wherein the fireproof layer (6) is a glass fiber cloth layer, and the heat-insulating layer (2) is a high-temperature-resistant silica gel ring layer.
4. The fireproof and heat-insulating polyethylene pipe according to claim 1, wherein a plurality of wear-resistant protrusions (8) are fixedly arranged on the periphery of the fireproof layer (6), and the plurality of wear-resistant protrusions (8) are distributed in an annular array.
5. A fire-proof and heat-insulating polyethylene pipe according to claim 1, characterized in that a plurality of groups of springs (5) are fixed with the heat-insulating layer (2) and the reinforcing layer (3) respectively, and a plurality of groups of springs (5) are distributed with a plurality of reinforcing ribs (4) at intervals.
6. The fireproof and heat-insulating polyethylene pipe according to claim 1, wherein the material of the reinforcing layer (3) is carbon nanotubes, and the material of the reinforcing ribs (4) is a endurance plate.
7. The fireproof and heat-insulating polyethylene pipe according to claim 1, wherein the inner surface of the pipe body (1) is coated with an anti-corrosion coating (9), the anti-corrosion coating (9) is a polyamide epoxy resin coating layer, and the thickness of the coating is 0.038-0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321251332.8U CN220037724U (en) | 2023-05-23 | 2023-05-23 | Polyethylene pipe capable of preventing fire and heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321251332.8U CN220037724U (en) | 2023-05-23 | 2023-05-23 | Polyethylene pipe capable of preventing fire and heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037724U true CN220037724U (en) | 2023-11-17 |
Family
ID=88720103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321251332.8U Active CN220037724U (en) | 2023-05-23 | 2023-05-23 | Polyethylene pipe capable of preventing fire and heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037724U (en) |
-
2023
- 2023-05-23 CN CN202321251332.8U patent/CN220037724U/en active Active
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