CN207161986U - Hinder the overall plastic insulating tube of oxygen - Google Patents
Hinder the overall plastic insulating tube of oxygen Download PDFInfo
- Publication number
- CN207161986U CN207161986U CN201721176816.5U CN201721176816U CN207161986U CN 207161986 U CN207161986 U CN 207161986U CN 201721176816 U CN201721176816 U CN 201721176816U CN 207161986 U CN207161986 U CN 207161986U
- Authority
- CN
- China
- Prior art keywords
- layer
- resistance
- oxygen
- insulating tube
- overall plastic
- 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.)
- Active
Links
Landscapes
- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses the overall plastic insulating tube of one kind resistance oxygen to include outer jacket, heat-insulation layer and resistance oxygen instrumentation tubes, the heat-insulation layer is wrapped in outside the outer jacket, the resistance oxygen instrumentation tubes are wrapped in outside the heat-insulation layer, the resistance oxygen instrumentation tubes are disposed with oxidation prevention layer, mark adhesive layer and refractory layer from outside to inside.The utility model hinders the overall plastic insulating tube of oxygen using a kind of of said structure, it is simple in construction, easy processing, while intermediate insulating layer reduces the thermal loss in pipeline, the resistance oxygen instrumentation tubes not only have excellent heat resistance and resistance to pressure, also effectively reduce OTR oxygen transmission rate, it ensure that the metal parts in pipeline is not corroded by oxygen, improve the life-span of pipe-line system, mark adhesive layer is additionally provided with the resistance oxygen instrumentation tubes, it is easy to distinguish the oxidation prevention layer and refractory layer so that installation is more convenient.
Description
Technical field
Heat supply utilidor technical field is the utility model is related to, hinders the overall plastic insulating tube of oxygen more particularly, to one kind.
Background technology
Plastic pipe has watertightness, but does not have air-tightness, and the oxygen in air can be penetrated into pipe through tube wall.
It is the circulatory system of enclosed for heating system, including radiator heating and ground radiation heating system, the oxygen in air oozes
The metal parts in system, such as water pump, valve and fin etc. can be caused into recirculated water thoroughly, oxygen corrosion occurs, produced
Many rust depositions, shorten the service life of these metal parts.And the amount that oxygen is permeated by tube wall raises with temperature
And increase, much increase oxidation prevention layer, some are provided with multilayer oxidation prevention layer in the prior art, and complicated processing technology is complicated, but
It is that oxidation prevention layer is must be driven off in pipeline welding, but is not provided with label layer in the prior art and is not easily distinguishable oxidation prevention layer and work
Pipe, makes troubles to installation.
Utility model content
The purpose of this utility model is to provide a kind of resistance overall plastic insulating tube of oxygen, simple in construction, easy processing, while moderate soak
Layer reduces the thermal loss in pipeline, and the resistance oxygen instrumentation tubes not only have excellent heat resistance and resistance to pressure, also effective
OTR oxygen transmission rate is reduced, ensure that the metal parts in pipeline is not corroded by oxygen, improve the life-span of pipe-line system, the resistance
Mark adhesive layer is additionally provided with oxygen instrumentation tubes, is easy to distinguish the oxidation prevention layer and refractory layer so that installation is more convenient.
To achieve the above object, the utility model provide a kind of resistance overall plastic insulating tube of oxygen, including outer jacket, heat-insulation layer with
And resistance oxygen instrumentation tubes, the outer jacket are wrapped in the heat-insulation layer outside, the resistance oxygen instrumentation tubes, the resistance are wrapped in outside the heat-insulation layer
Oxygen instrumentation tubes are disposed with oxidation prevention layer, mark adhesive layer and refractory layer from outside to inside.
Preferably, the outer jacket is cracking resistance polyethylene layer, and the cracking resistance polyethylene layer thickness is 3-10mm.
Preferably, the refractory layer is high-temperature-resistance polyolefin layer, and the oxidation prevention layer is evoh layer.
Preferably, a diameter of 20mm-500mm of high-temperature-resistance polyolefin layer, the evoh layer thickness
For 0.1mm-0.3mm.
Preferably, the mark bondline thickness is 0.05mm-0.1mm, and color mother is evenly equipped with the mark adhesive layer
Material.
Preferably, the heat-insulation layer is hard polyurethane foam layer, and the hard polyurethane foam thickness degree is 10mm-
60mm。
Therefore, the utility model is using a kind of resistance overall plastic insulating tube of oxygen of said structure, simple in construction, easy processing, simultaneously
Intermediate insulating layer reduces the thermal loss in pipeline, and the resistance oxygen instrumentation tubes not only have excellent heat resistance and resistance to pressure,
OTR oxygen transmission rate is also effectively reduced, ensure that the metal parts in pipeline is not corroded by oxygen, improve the longevity of pipe-line system
Life, described hinder in oxygen instrumentation tubes are additionally provided with mark adhesive layer, are easy to distinguish the oxidation prevention layer and refractory layer so that installation is more
It is convenient.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is a kind of resistance overall plastic insulating tube cross-sectional view of oxygen of the utility model.
Reference
1st, outer jacket；2nd, heat-insulation layer；3rd, oxidation prevention layer；4th, adhesive layer is identified；5th, high-temperature-resistance polyolefin layer.
Embodiment
Embodiment 1
Fig. 1 is a kind of resistance overall plastic insulating tube cross-sectional view of oxygen of the utility model, as shown in figure 1, a kind of resistance oxygen is overall plastic
Insulating tube, including outer jacket 1, heat-insulation layer 2 and resistance oxygen instrumentation tubes.
Heat-insulation layer 2 is wrapped in outside outer jacket 1, outer jacket 1 is cracking resistance polyethylene layer, and cracking resistance polyethylene layer thickness is 3-
10mm, cracking resistance polyethylene layer selection thickness is 5.5mm in the present embodiment, and outer jacket 1 can be resisted under various application conditions
Outer damage caused by possible to tubing.
It is wrapped in resistance oxygen instrumentation tubes outside heat-insulation layer 2, heat-insulation layer 2 is hard polyurethane foam layer, hard polyurethane foam thickness
Spend for 10mm-60mm, hard polyurethane foam thickness degree selection 40mm, intermediate insulating layer 2 have relatively low lead in the present embodiment
Hot coefficient and water absorption rate cause the overall thermal losses for greatly reducing heat supply pipeline.
Resistance oxygen instrumentation tubes are disposed with oxidation prevention layer 3, mark adhesive layer 4 and refractory layer, oxidation prevention layer 3, mark from outside to inside
Know adhesive layer 4 and the three-layer co-extruded formation one of refractory layer.Oxidation prevention layer 3 is evoh layer, ethylene-vinyl alcohol
Copolymer layer effectively can enter pipe-line system by blocking oxygen, and evoh layer thickness is 0.1mm-0.3mm, this
Evoh layer selection thickness is 0.2mm in embodiment, and the oxygen transmission rate at 40 DEG C can be reduced to 0.1g/
(m3d) below.The mark thickness of adhesive layer 4 is 0.05mm-0.1mm, and it is 0.08mm to identify the thickness of adhesive layer 4 in the present embodiment,
Colour masterbatch is evenly equipped with mark adhesive layer 4 so that mark adhesive layer not only can closely bond refractory layer and oxidation prevention layer 3
Together, while the presentation different colours of adhesive layer 4 are identified for distinguishing refractory layer and oxidation prevention layer 3, to ensure before hot-melt adhesive paste
Tubing solder side oxidation prevention layer 3 and mark adhesive layer can be completely got rid of, facilitates staff's erecting and welding.Refractory layer is resistance to
High temperature polyolefins layer 5,5 a diameter of 20mm-500mm of high-temperature-resistance polyolefin layer, the present embodiment high-temperature-resistance polyolefin layer 5 are a diameter of
250mm, high-temperature-resistance polyolefin layer 5 can work long hours in the environment of 90-100 degrees Celsius, are suitable for hot channel, compare
Steel pipe tube wall flat smooth, has less frictional resistance and adhesive force during trandfer fluid, overall plastic utilidor it is absolute
Roughness is 0.009, and the absolute roughness 0.05 of steel pipe, coefficient of friction is smaller, in the case of same inner diameter and same traffic,
The pressure drop of unit length is more much smaller than steel pipe, and as the increase pressure drop advantage of caliber and flow is more obvious, has
Good compressive property.
Therefore, the utility model is using a kind of resistance overall plastic insulating tube of oxygen of said structure, simple in construction, easy processing, simultaneously
Intermediate insulating layer 2 reduces the thermal loss in pipeline, and resistance oxygen instrumentation tubes not only have excellent heat resistance and resistance to pressure, also had
Effect reduces OTR oxygen transmission rate, ensure that the metal parts in pipeline is not corroded by oxygen, improves the life-span of pipe-line system, hinders
Mark adhesive layer 4 is additionally provided with oxygen instrumentation tubes, is easy to distinguish oxidation prevention layer 3 and refractory layer so that installation is more convenient.
Above is specific embodiment of the present utility model, but the scope of protection of the utility model should not be limited to this.Appoint
How those skilled in the art are in the technical scope disclosed by the utility model, the change or replacement that can be readily occurred in,
It should all cover within the scope of protection of the utility model, therefore the scope of protection of the utility model should be limited with claims
Fixed protection domain is defined.
Claims (6)
1. one kind resistance overall plastic insulating tube of oxygen, it is characterised in that：Including outer jacket, heat-insulation layer and resistance oxygen instrumentation tubes, the outer shield
Layer is outer to be wrapped in the heat-insulation layer, and the resistance oxygen instrumentation tubes are wrapped in outside the heat-insulation layer, described to hinder oxygen instrumentation tubes from outside to inside successively
It is provided with oxidation prevention layer, mark adhesive layer and refractory layer.
A kind of 2. resistance overall plastic insulating tube of oxygen according to claim 1, it is characterised in that：The outer jacket is the poly- second of cracking resistance
Alkene layer, the cracking resistance polyethylene layer thickness are 3-10mm.
A kind of 3. resistance overall plastic insulating tube of oxygen according to claim 1, it is characterised in that：The refractory layer is high temperature resistant polyene
Hydrocarbon layers, the oxidation prevention layer are evoh layer.
A kind of 4. resistance overall plastic insulating tube of oxygen according to claim 3, it is characterised in that：The high-temperature-resistance polyolefin layer diameter
For 20mm-500mm, the evoh layer thickness is 0.1mm-0.3mm.
A kind of 5. resistance overall plastic insulating tube of oxygen according to claim 1, it is characterised in that：It is described mark bondline thickness be
0.05mm-0.1mm, described identify in adhesive layer are evenly equipped with colour masterbatch.
A kind of 6. resistance overall plastic insulating tube of oxygen according to claim 1, it is characterised in that：The heat-insulation layer is rigid poly urethanes
Froth bed, the hard polyurethane foam thickness degree are 10mm-60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176816.5U CN207161986U (en) | 2017-09-14 | 2017-09-14 | Hinder the overall plastic insulating tube of oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176816.5U CN207161986U (en) | 2017-09-14 | 2017-09-14 | Hinder the overall plastic insulating tube of oxygen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161986U true CN207161986U (en) | 2018-03-30 |
Family
ID=61721831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721176816.5U Active CN207161986U (en) | 2017-09-14 | 2017-09-14 | Hinder the overall plastic insulating tube of oxygen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161986U (en) |
-
2017
- 2017-09-14 CN CN201721176816.5U patent/CN207161986U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204922275U (en) | Nitrogen gas delivery hose for air drilling | |
| CN207161986U (en) | Hinder the overall plastic insulating tube of oxygen | |
| CN202118435U (en) | High-efficiency heat-preservation pipeline | |
| CN205013939U (en) | Elbow for heat transfer | |
| CN104075075B (en) | A kind of insulating tube | |
| CN205424136U (en) | Composite pipe with self -heating function | |
| CN207961772U (en) | A kind of direct-buried heat insulation pipe | |
| CN206738830U (en) | A kind of telescopic double layer heat preservation pipe | |
| CN103672243B (en) | The Y-junction of a kind of interchanger | |
| CN206861152U (en) | A kind of double inner tube formula polyurethane thermal pipe | |
| CN205013936U (en) | Three way connection for heat transfer | |
| CN207179042U (en) | A kind of Novel heat insulating tube | |
| CN201653222U (en) | Copper pipe | |
| CN206754616U (en) | A kind of CPVC pipelines | |
| CN208024965U (en) | Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane | |
| CN208041342U (en) | The stainless steel composite pipe road connected is made of stainless steel short tube | |
| CN103982712A (en) | Polyurethane rigid foam PP-R (Polypropylene) thermal insulation anticorrosion pipeline | |
| CN101943298A (en) | Vacuum composite delivery pipe and connecting structure | |
| CN206458933U (en) | Petroleum pipeline is incubated pipe collar | |
| CN203868533U (en) | Polyurethane rigid foam PP-R heat preservation anticorrosion pipeline | |
| CN205716083U (en) | A kind of Anti-pressure petroleum pipeline | |
| CN210424184U (en) | Multilayer heat preservation steel pipe | |
| CN109000077A (en) | A kind of petroleum transportation pipeline | |
| CN202834457U (en) | Compound type polyethylene of raised temperature resistance (PE-RT) terrestrial heating pipe | |
| CN108006332A (en) | A kind of corrosion-resistant thermal insulation composite square-tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |