CN208816967U - A kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe - Google Patents
A kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe Download PDFInfo
- Publication number
- CN208816967U CN208816967U CN201821302373.4U CN201821302373U CN208816967U CN 208816967 U CN208816967 U CN 208816967U CN 201821302373 U CN201821302373 U CN 201821302373U CN 208816967 U CN208816967 U CN 208816967U
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- China
- Prior art keywords
- layer
- mesoglea
- hdpe
- high density
- density polyethylene
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Links
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 30
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 30
- 238000004880 explosion Methods 0.000 title claims abstract description 16
- 230000002265 prevention Effects 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000005030 aluminium foil Substances 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims abstract description 6
- 238000009954 braiding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 30
- 230000002787 reinforcement Effects 0.000 abstract description 9
- 238000007710 freezing Methods 0.000 abstract description 6
- 230000008014 freezing Effects 0.000 abstract description 6
- 239000011490 mineral wool Substances 0.000 abstract description 5
- 229920002635 polyurethane Polymers 0.000 abstract description 4
- 239000004814 polyurethane Substances 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 239000004698 Polyethylene Substances 0.000 description 6
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 230000009172 bursting Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipes, including inner glue layer and outer glue-line, the surface of the inner glue layer is elastic construction, it is also successively enclosed with insulating layer from inside to outside between the inner glue layer and outer glue-line, aluminium foil reflecting layer, thermal insulation layer, interior mesoglea, bracket, outer mesoglea, steel wire reinforcement layer, the bracket and interior mesoglea outer wall are integrally formed, the bracket is axially arranged along pipeline, the top of the bracket is integrally formed with outer mesoglea, there is cavity between the interior mesoglea and outer mesoglea, the cavity inside is vacuum structure, the insulating layer is polyurethane insulation coating, the thermal insulation layer is mineral wool thermal insulation layer.The utility model can be used normally in the environment of long-time low temperature, and effectively promote tube body structural strength, and anti-antipriming pipe bursts because of the water freezing in water pipe.
Description
Technical field
The utility model relates to feed pipe technical field more particularly to a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) water supply
Pipe.
Background technique
PE pipe municipal tubing market Chinese at present, plastic conduit is just in stable development, and PE pipe, PP-R pipe, UPVC pipe are all
It occupies a tiny space, wherein PE manages powerful growth momentum and attracts people's attention the most, and PE pipe uses field extensive, wherein feed pipe
It is two maximum application market with fuel gas conduit.
Existing low-temperature resistant explosion prevention type PE feed pipe, explosion-proof capabilities are poor, and when temperature is at 0 DEG C or less, water is in water pipe
It does not flow, it is easy to freeze, since volume increases after water freezing, be easy to burst in water pipe, therefore existing high density is poly-
Ethylene feed pipe can be limited using region and the season used.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe,
It can be used normally in the environment of long-time low temperature, and effectively promote tube body structural strength, anti-antipriming pipe is because of the water in water pipe
It freezes and bursts.
The utility model solves above-mentioned technical problem by following technological means:
A kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe, including inner glue layer and outer glue-line, it is characterised in that: described
The surface of inner glue layer is elastic construction, is also successively enclosed with insulating layer, aluminium foil between the inner glue layer and outer glue-line from inside to outside
Reflecting layer, thermal insulation layer, interior mesoglea, bracket, outer mesoglea, steel wire reinforcement layer, described bracket one end and interior mesoglea outer wall one
Body formed, the other end and outer mesoglea inner wall are integrally formed, and are evacuated between the interior mesoglea and outer mesoglea and are formed vacuum layer,
The branch is provided with multiple, and vacuum layer is separated to form a plurality of cavities by multiple brackets.
Further, the elastic construction includes multiple telescopic chutes, and multiple telescopic chutes are uniformly distributed along axial direction in interior glue
On the circumferential inner wall of layer, the inner glue layer offers telescopic hole in two neighboring telescopic chute.
Further, the width dimensions of the opening portion of the telescopic chute are less than the width dimensions of the bottom of telescopic chute.
Further, integrally formed with more abrasion-proof ribs in the outer glue-line, the more abrasion-proof rib genesis analysis are in outer glue
The outer surface of layer.The wear-resisting property of abrasion-proof rib enhancing tube body.
Further, the steel wire reinforcement layer is that more braided steel wires are bonded to form walf checks braiding structure.Steel wire reinforcement layer
For reinforcing the structural strength of tube body, prevent tube body from bursting
Further, resistive heater, the resistive heater spiral are installed between the insulating layer and aluminium foil reflecting layer
It is wrapped in insulation layer surface.
The utility model has the beneficial effects that
(1) telescopic chute is offered on the inner wall of inner glue layer, after the water in tube body starts icing, since volume increases,
Telescopic chute can be oppressed, telescopic chute oppresses telescopic hole, so that flexible pore volume is become smaller, so that the body for being used to accommodate ice of inner glue layer
Product becomes larger, and so as to reduce the pressure in inner glue layer, prevents pipeline breaking;Meanwhile between insulating layer and aluminium foil reflecting layer
Resistive heater is installed, the external power supply on resistive heater can be water pipe by resistive heater when temperature is too low
Interior water heats, the water freezing in anti-antipriming pipe;It can also be water pipe by resistive heater after the water freezing in water pipe
Interior water heating, achievees the purpose that quick-thawing.
(2) insulating layer uses polyurethane since the rate of closed hole of polyurethane foam can reach 92% or more for polyurethane insulation coating
Insulating layer of the foam as pipeline can not only play the role of insulation, and can be effectively prevented water, moisture and its
Its various corrosive liquid, gas are impregnated with, and prevent the growth and development of microorganism, and thermal insulation layer is mineral wool thermal insulation layer, mineral wool
Have many advantages, such as that forming, bulk density are small, thermal conductivity is low, heat preservation insulation, corrosion resistant decorations, stable chemical performance, can effectively lower
Slow down in pipe and exchanged with external environment progress heat, the water of tubular body is avoided quickly to freeze under cryogenic.
(3) steel wire reinforcement layer forms walf checks braiding structure, steel in the form of 1 layer or 2 layers of steel wire is by knitting arrangement
Silk enhancement layer is used to reinforce the structural strength of tube body, prevents tube body from bursting.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe of the utility model;
Fig. 2 is a kind of installation knot of the resistive heater of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe of the utility model
Structure schematic diagram;
Wherein, inner glue layer 1, insulating layer 2, aluminium foil reflecting layer 3, thermal insulation layer 4, interior mesoglea 5, bracket 6, outer mesoglea 7,
Cavity 8, steel wire reinforcement layer 9, outer glue-line 10, abrasion-proof rib 11, telescopic chute 12, telescopic hole 13, resistive heater 14.
Specific embodiment
The utility model is described in detail below with reference to the drawings and specific embodiments:
As shown in Figs. 1-2, a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe of the utility model, including inner glue layer
1 and outer glue-line 10, the surface of inner glue layer 1 be elastic construction, also successively wrapped up from inside to outside between inner glue layer 1 and outer glue-line 10
There are insulating layer 2, aluminium foil reflecting layer 3, thermal insulation layer 4, interior mesoglea 5, bracket 6, outer mesoglea 7, steel wire reinforcement layer 9, insulating layer 2
Use polyurethane foam as the guarantor of pipeline since the rate of closed hole of polyurethane foam can reach 92% or more for polyurethane insulation coating
Warm layer can not only play the role of insulation, and can be effectively prevented water, moisture and other various corrosive liquids,
Gas is impregnated with, and prevents the growth and development of microorganism, and thermal insulation layer 4 is mineral wool thermal insulation layer, and mineral wool has forming, volume
The advantages that density is small, thermal conductivity is low, heat preservation insulation, corrosion resistant decorations, stable chemical performance, can effectively lower slow down in pipe with extraneous ring
Border carries out heat exchange, and the water of tubular body is avoided quickly to freeze under cryogenic, and interior mesoglea 5 is for sealing thermal insulation layer
4, steel wire reinforcement layer 9 is combined closely in the form of 1 layer or 2 layers of steel wire is by knitting arrangement, and steel wire reinforcement layer 9 is used for
The structural strength for reinforcing tube body, prevents tube body from bursting, and bracket 6 and interior 5 outer wall of mesoglea are integrally formed, and bracket 6 is along pipeline axial direction
Setting, the top of bracket 6 integrally formed with outer mesoglea 7, between interior mesoglea 5 and outer mesoglea 7 between be divided into cavity 8, it is empty
It is vacuum structure inside chamber 8, cavity 8 is used to slow down the water in tube body and exchanges with external world's progress heat, meanwhile, in 2 He of insulating layer
Resistive heater 14 is installed, resistive heater 14 is spirally wound on 2 surface of insulating layer, in heating electricity between aluminium foil reflecting layer 3
14 external power supply of silk is hindered, can be that the water in water pipe is heated by resistive heater 14 when temperature is too low, in anti-antipriming pipe
Water freezing;After the water freezing in water pipe, it can also be that the water in water pipe is heated by resistive heater 14, reach quick
The purpose of defrosting.
It is axially penetrated through on the inner wall of inner glue layer 1 along pipeline and offers telescopic chute 12, circumferentially array uniformly divides telescopic chute 12
Cloth is on the inner wall of inner glue layer 1, in being also provided with telescopic hole 13 on inner glue layer 1 between adjacent expansion slot 12, and telescopic chute 12
The width of opening portion is greater than the width of the bottom of telescopic chute 12, after the water in tube body starts icing, since volume increases, and meeting
Telescopic chute 12 is oppressed, telescopic chute 12 oppresses telescopic hole 13,13 volume of telescopic hole is made to become smaller, so that inner glue layer 1 is used to hold
The volume of ice received becomes larger, and so as to reduce the pressure in inner glue layer 1, prevents pipeline breaking.
Integrally formed with abrasion-proof rib 11 in outer glue-line 10,11 circumference array genesis analysis of abrasion-proof rib is in the outer of outer glue-line 10
Surface, abrasion-proof rib 11 can enhance the intensity of tube body, moreover it is possible to increase the wearability of pipe feed pipe.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model
Scheme is modified or replaced equivalently, and without departing from the objective and range of technical solutions of the utility model, should all be covered
In the scope of the claims of the utility model.Technology that the utility model is not described in detail, shape, construction portion are known
Technology.
Claims (6)
1. a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe, including inner glue layer (1) and outer glue-line (10), feature exists
In: the surface of the inner glue layer (1) is elastic construction, between the inner glue layer (1) and outer glue-line (10) from inside to outside also successively
It is enclosed with insulating layer (2), aluminium foil reflecting layer (3), thermal insulation layer (4), interior mesoglea (5), bracket (6), outer mesoglea (7), steel wire
Enhancement layer (9), described bracket (6) one end and interior mesoglea (5) outer wall are integrally formed, the other end and outer mesoglea (7) inner wall one
It is body formed, evacuated between the interior mesoglea (5) and outer mesoglea (7) and form vacuum layer, the bracket (6) be equipped with it is multiple, and
Vacuum layer is separated to form a plurality of cavities (8) by multiple brackets (6).
2. a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe according to claim 1, it is characterised in that: the bullet
Property structure includes multiple telescopic chutes (12), and multiple telescopic chutes (12) are along the circumference that axial direction is evenly distributed on inner glue layer (1)
On wall, the inner glue layer (1) offers telescopic hole (13) in two neighboring telescopic chute (12).
3. a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe according to claim 2, it is characterised in that: described to stretch
The width dimensions of the opening portion of contracting slot (12) are less than the width dimensions of the bottom of telescopic chute (12).
4. a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe according to claim 3, it is characterised in that: described outer
Integrally formed with more abrasion-proof ribs (11) on glue-line (10), more abrasion-proof rib (11) genesis analysis are in the outer of outer glue-line (10)
Surface.
5. a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe according to claim 4, it is characterised in that: the steel
Silk enhancement layer (9) is that more braided steel wires are bonded to form walf checks braiding structure.
6. a kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe according to claim 5, it is characterised in that: the guarantor
It is equipped with resistive heater (14) between warm layer (2) and aluminium foil reflecting layer (3), the resistive heater (14) is spirally wound on guarantor
Warm layer (2) surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821302373.4U CN208816967U (en) | 2018-08-14 | 2018-08-14 | A kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe |
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Application Number | Priority Date | Filing Date | Title |
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CN201821302373.4U CN208816967U (en) | 2018-08-14 | 2018-08-14 | A kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe |
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Publication Number | Publication Date |
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CN208816967U true CN208816967U (en) | 2019-05-03 |
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CN201821302373.4U Expired - Fee Related CN208816967U (en) | 2018-08-14 | 2018-08-14 | A kind of low-temperature resistant explosion prevention type high density polyethylene (HDPE) feed pipe |
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CN (1) | CN208816967U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110726027A (en) * | 2019-10-29 | 2020-01-24 | 葛军 | Pipeline preheating equipment |
CN114160477A (en) * | 2021-11-20 | 2022-03-11 | 广东洁能电器科技有限公司 | Industrial steam cleaning equipment |
-
2018
- 2018-08-14 CN CN201821302373.4U patent/CN208816967U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110726027A (en) * | 2019-10-29 | 2020-01-24 | 葛军 | Pipeline preheating equipment |
CN114160477A (en) * | 2021-11-20 | 2022-03-11 | 广东洁能电器科技有限公司 | Industrial steam cleaning equipment |
CN114160477B (en) * | 2021-11-20 | 2023-03-10 | 广东洁能电器科技有限公司 | Industrial steam cleaning equipment |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20200814 |