CN208024965U - Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane - Google Patents
Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane Download PDFInfo
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- CN208024965U CN208024965U CN201820431123.4U CN201820431123U CN208024965U CN 208024965 U CN208024965 U CN 208024965U CN 201820431123 U CN201820431123 U CN 201820431123U CN 208024965 U CN208024965 U CN 208024965U
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Abstract
The utility model discloses anti-drag heat insulation pipes in a kind of high density polyvinyl polyurethane, including instrumentation tubes, work inside pipe wall is coated with draft reduction material layer, and work outer tube layer is equipped with insulating layer, insulating layer outer layer is equipped with heat preservation outer protection tube, and adhesion agent is equipped between insulating layer and heat preservation outer protection tube.Insulating tube technique is used for using novel drag reduction coating, it is appropriate to reduce the height of coarse protrusion and then the smoothness of increase wall surface in tube wall, the pulsation generated by coarse protrusion can be effectively reduced, by increasing the time averaged velocity gradient of fluid, it is defeated to realize that the drag reduction of pipeline increases.The shearing force of work pipe surface draft reduction material layer and steel-tube construction is improved, ensures integrally-built " Trinity " property of directly buried pipeline, ensures its whole shear strength, improves antioxygenic property.Due to being additionally arranged draft reduction material layer, coating bubble-free under high-temperature and high-pressure conditions, adhesive force is unchanged, improves antioxygenic property, slows down the corrosion of steel pipe, therefore can extend the service life 3-5 of insulating tube.
Description
Technical field
The utility model is related to a kind of insulating tubes, more particularly, to anti-drag heat insulation in a kind of high density polyvinyl polyurethane
Pipe.
Background technology
Insulating tube is the abbreviation of insulated piping, and insulating tube is used for the conveying of liquid, gas and other media, in oil, is changed
The engineering thermal insulation of the pipelines such as work, space flight, hot spring, military affairs, central heating, central air-conditioning, municipal administration is kept the temperature.Insulating tube is suitble to convey
Various media within the scope of -50 DEG C -150 DEG C, it is widely used in the conveying of central heating, cooling and deep fat and greenhouse, cold
The heat preservation prepressing reserving works of the industries such as library, coal mine, oil, chemical industry.
Some substances to temperature have higher requirement, the pipeline that substance of this kind not only needs heat insulation effect good come to its into
Row heat preservation, heating appropriate is carried out under also requiring to a certain degree to it.
Utility model content
Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane of the utility model offer, can effectively solve above-mentioned background
The problems in technology.
To achieve the above object, the utility model provides the following technical solutions：
Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane of the utility model, including instrumentation tubes, in the instrumentation tubes
Wall is coated with draft reduction material layer, and the work outer tube layer is equipped with insulating layer, and the insulating layer outer layer is equipped with heat preservation outer protection tube, the guarantor
It is equipped with adhesion agent between warm layer and heat preservation outer protection tube.
Preferably, the instrumentation tubes are steel-tube construction.
Preferably, the insulating layer is high density polyvinyl polyurethane material layer.
Preferably, the instrumentation tubes, draft reduction material layer and insulating layer are structure as a whole.
Preferably, it is bonded and is connected by adhesion agent between the insulating layer and heat preservation outer protection tube.
The utility model has the beneficial effects that：
The utility model is used for insulating tube technique, the appropriate height for reducing coarse protrusion in tube wall using novel drag reduction coating
And then increase the smoothness of wall surface, the pulsation generated by coarse protrusion can be effectively reduced, by the when average rate for increasing fluid
Gradient is spent, it is defeated to realize that the drag reduction of pipeline increases, drag reducing efficiency reaches 26% or more, and its coated inside is unchanged after use and damages.
The utility model improves the shearing force of work pipe surface draft reduction material layer and steel-tube construction, ensures that directly buried pipeline is whole
" Trinity " property of structure ensures its whole shear strength, improves antioxygenic property.
The utility model is due to being additionally arranged draft reduction material layer, and coating bubble-free under high-temperature and high-pressure conditions, adhesive force is unchanged,
Antioxygenic property is improved, slows down the corrosion of steel pipe, therefore the service life 3-5 of insulating tube can be extended.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the cross-sectional view of the utility model；
In figure：1, instrumentation tubes；2, draft reduction material layer；3, insulating layer；4, adhesion agent；5, outer protection tube is kept the temperature.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment is based on the embodiments of the present invention, and those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：
Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane, including instrumentation tubes 1,1 inner wall of instrumentation tubes are coated with drag reduction material
The bed of material 2,1 outer layer of instrumentation tubes are equipped with insulating layer 3, and 3 outer layer of insulating layer is equipped with heat preservation outer protection tube 5, insulating layer 3 and heat preservation outer protection tube 5
Between be equipped with adhesion agent 4.
In the above-described embodiments, instrumentation tubes 1 are steel-tube construction.
In the above-described embodiments, insulating layer 3 is high density polyvinyl polyurethane material layer.
In the above-described embodiments, instrumentation tubes 1, draft reduction material layer 2 and insulating layer 3 are structure as a whole.
In the above-described embodiments, it is bonded and is connected by adhesion agent 4 between insulating layer 3 and heat preservation outer protection tube 5.
Technological principle：
The first step：Impeller blasting is carried out to instrumentation tubes 1 first, improves its adhesive force so that steel-tube construction surface reaches mark
The Sa2.5 or more required in standard forms enough binding forces with guarantee painting interlayer and impurity is avoided to interfere；
Second step：Draft reduction material layer 2 is coated in 1 inner wall of instrumentation tubes, coating process is sprayed using internal high pressure airless sprayer
It applies, sprays high density polyvinyl polyurethane material in 1 outer layer of instrumentation tubes, adhesive force is big after carrying out impeller blasting due to instrumentation tubes 1
It is big to increase, ensure that instrumentation tubes 1, draft reduction material layer 2 and insulating layer 3 are structure as a whole；
Third walks：Heat preservation outer protection tube 5 is bonded in 3 outer layer of insulating layer by adhesion agent 4, places 18-24h；
4th step：In use, entire insulating tube, which is installed on, needs that in equipment to be used normal use can be carried out.
The utility model is used for insulating tube technique, the appropriate height for reducing coarse protrusion in tube wall using novel drag reduction coating
And then increase the smoothness of wall surface, the pulsation generated by coarse protrusion can be effectively reduced, by the when average rate for increasing fluid
Gradient is spent, it is defeated to realize that the drag reduction of pipeline increases, drag reducing efficiency reaches 26% or more, and its coated inside is unchanged after use and damages.
The utility model improves the shearing force of work pipe surface draft reduction material layer and steel-tube construction, ensures that directly buried pipeline is whole
" Trinity " property of structure ensures its whole shear strength, improves antioxygenic property.
The utility model is due to being additionally arranged draft reduction material layer, and coating bubble-free under high-temperature and high-pressure conditions, adhesive force is unchanged,
Antioxygenic property is improved, slows down the corrosion of steel pipe, therefore the service life 3-5 of insulating tube can be extended.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane, including instrumentation tubes（1）, which is characterized in that the instrumentation tubes
（1）Inner wall is coated with draft reduction material layer（2）, the instrumentation tubes（1）Outer layer is equipped with insulating layer（3）, the insulating layer（3）Outer layer is equipped with
Keep the temperature outer protection tube（5）, the insulating layer（3）With heat preservation outer protection tube（5）Between be equipped with adhesion agent（4）.
2. anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane according to claim 1, which is characterized in that the work
Pipe（1）For steel-tube construction.
3. anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane according to claim 1, which is characterized in that the heat preservation
Layer（3）For high density polyvinyl polyurethane material layer.
4. anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane according to claim 1, which is characterized in that the work
Pipe（1）, draft reduction material layer（2）And insulating layer（3）It is structure as a whole.
5. anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane according to claim 1, which is characterized in that the heat preservation
Layer（3）With heat preservation outer protection tube（5）Between pass through adhesion agent（4）Bonding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820431123.4U CN208024965U (en) | 2018-03-28 | 2018-03-28 | Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820431123.4U CN208024965U (en) | 2018-03-28 | 2018-03-28 | Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024965U true CN208024965U (en) | 2018-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820431123.4U Active CN208024965U (en) | 2018-03-28 | 2018-03-28 | Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane |
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| CN (1) | CN208024965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266579A (en) * | 2018-03-28 | 2018-07-10 | 昊天节能装备有限责任公司 | Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane |
-
2018
- 2018-03-28 CN CN201820431123.4U patent/CN208024965U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266579A (en) * | 2018-03-28 | 2018-07-10 | 昊天节能装备有限责任公司 | Anti-drag heat insulation pipe in a kind of high density polyvinyl polyurethane |
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