CN207178950U - A kind of enhanced separating composite pipe separating material - Google Patents
A kind of enhanced separating composite pipe separating material Download PDFInfo
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- CN207178950U CN207178950U CN201720941826.7U CN201720941826U CN207178950U CN 207178950 U CN207178950 U CN 207178950U CN 201720941826 U CN201720941826 U CN 201720941826U CN 207178950 U CN207178950 U CN 207178950U
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- pvdc
- glass fibre
- composite pipe
- separating
- enhanced
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Abstract
The utility model discloses a kind of enhanced separating composite pipe separating material, it is characterized in that, including PE internal layers, the PVDC clads for being arranged on PE inner layer outer surface glass fibre packed layers and being arranged on glass fibre packed layer outer surface, the PVDC clads are coated using PVDC films to glass fibre packed layer outer surface.The beneficial effects of the utility model are：The linear expansion coefficient of tubing can be effectively reduced using glass fibre packed layer, tubing more effectively can be preserved and used in underground pipe gallery, and the intensity and toughness of tubing can be effectively improved；Using PVDC clads, wherein PVDC films have the characteristics that to eliminate fisheye, low permeability, high barrier, and the barrier property of the composite pipe is very excellent.
Description
Technical field
It the utility model is related to tubing technical field, and in particular to a kind of enhanced high barrier tubing.
Background technology
Underground urban duct synthesis corridor, i.e., build a tunnel space in Urban Underground, and electric power, communication, combustion gas are supplied
The various utilities pipelines such as heat, plumbing are integrated in one, and the important foundation provided with special access hole, hoisting port and detecting system is set
Apply.The advantages of underground pipe gallery, is that it can not only solve traffic jam issue, be also very easy to electric power, communication,
The maintenance and maintenance of the urban facilities such as combustion gas, water supply and sewage, the system is also with certain protection against and mitigation of earthquake disasters effect in addition, so underground
Pipe gallery is increasingly becoming the main flow direction during municipal pipeline is built.
Due to the particular surroundings of underground pipe gallery and the characteristics of gathered various pipelines, so to pipe gallery with giving
The performances such as linear expansion coefficient, intensity and the barrier of waterpipe have very high requirement.Existing PE feedwater pipings can not expire
Sufficient these requirements, and then there is excessive weight, perishable and abrasion in steel pipe, cast iron pipe, barrier is poor, service life is short, engineering
The problems such as maintenance cost is high.Therefore need to develop new pipe gallery and solve existing technology with plumbing tubing and ask
Topic.
Utility model content
In order to solve problems of the prior art, the utility model provides a kind of increasing corrosion-resistant, that barrier is strong
Strong type high barrier tubing.
The technical solution of the utility model is as follows：
A kind of enhanced separating composite pipe separating material, it is characterised in that including PE internal layers, be arranged on PE inner layer outer surfaces
Glass fibre packed layer and the PVDC clads for being arranged on glass fibre packed layer outer surface, the PVDC clads use PVDC
Film coats to glass fibre packed layer outer surface.
Described a kind of enhanced separating composite pipe separating material, it is characterised in that the PE internal layers thickness is 5-10mm.
Described a kind of enhanced separating composite pipe separating material, it is characterised in that the glass fibre packed layer is using high
Strong glass fibre, fiber linear density 2000-5000tex.
Described a kind of enhanced separating composite pipe separating material, it is characterised in that the PVDC clads are used and are blow molded into
Type.
The beneficial effects of the utility model are：1）Linear expansion coefficient is low：, can be effectively using glass fiber reinforced layer
The linear expansion coefficient of tubing is reduced, tubing more effectively can be preserved and used in underground pipe gallery.And glass fibre is using high
Strong glass fibre can effectively improve the intensity and toughness of tubing.
2）It is corrosion-resistant：Nonmetal pipeline can acidproof, alkaline-resisting, resistant to chemical etching and electrochemical corrosion.
3）High barrier：PVDC clads use one layer of PVDC film, and PVDC films have elimination fisheye, low transmission
The features such as property, high barrier, improve the barrier property of the composite pipe.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is side structure schematic diagram of the present utility model；
In figure：1-PE internal layers, 2- glass fiber reinforced layers, 3-PVDC clads.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1-2, a kind of enhanced high barrier tubing, including PE internal layers 1, glass fiber reinforced layer 2 and PVDC
The three-decker of clad 3 is formed successively from inside to outside, and PE internal layers 1 are fluid transport layer, and material is usually common polythene（PE）,
Its thickness is 5-10mm；Glass fiber reinforced layer 2 is that glass fibre fills PE enhancement layers, and glass is added in PE master batch granulation process
Glass fibre bundle, then mix extruding pelletization, last extrusion molding；Glass fibre is high-strength alkali-free glass fibre, fiber linear density
For 2000-5000tex, PE density of material >=0.93g/m3, melt flow rate (MFR)（0.2-1.4）G/10min, elongation at break >=
350%.Fiberglass layer can make tubing have the low advantage of linear expansion coefficient.PVDC clads 3, the PVDC film bags that tubing uses
Cover, manufacture method is by adding a certain proportion of auxiliary agent in PVDC copolymer, while adds a small amount of heat stabilizer, lubrication
Agent and inorganic oxide, i.e., the compounding of auxiliary agent is carried out first, then by auxiliary agent and PVDC resins according to certain ratio, sequentially enter
Row blending, pass through blow molding process finally by single screw extrusion machine, blow film forming.Thus manufactured PVDC films, which have, eliminates crystalline substance
The characteristics such as point, high barrier；HDPE material used in internal layer and fiberglass layer can be the HDPE material of same tubing level, can also
For the HDPE material of different tubing levels.
The enhanced separating composite pipe separating can use heat-melting butt-joint, capacitance connection the various ways such as connect with flange, have
There are convenient and fast connection, the advantages such as cost is low.Flange connection is dismantled and assembled and realizes to the Reusability of tubing, remote and
Lacking being capable of easily construction and installation under the operating mode of electric power.
Claims (4)
1. a kind of enhanced separating composite pipe separating material, it is characterised in that including PE internal layers（1）, be arranged on PE internal layers（1）Appearance
The glass fibre packed layer in face（2）And it is arranged on glass fibre packed layer（2）The PVDC clads of outer surface（3）, the PVDC
Clad（3）Using one layer of PVDC film to glass fibre packed layer（2）Outer surface is coated.
A kind of 2. enhanced separating composite pipe separating material according to claim 1, it is characterised in that the PE internal layers（1）
Thickness is 5-10mm.
3. a kind of enhanced separating composite pipe separating material according to claim 1, it is characterised in that the glass fibre is filled out
Fill layer（2）Using high-strength glass fibre, fiber linear density 2000-5000tex.
A kind of 4. enhanced separating composite pipe separating material according to claim 1, it is characterised in that the PVDC clads
（3）Using blow molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941826.7U CN207178950U (en) | 2017-07-31 | 2017-07-31 | A kind of enhanced separating composite pipe separating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941826.7U CN207178950U (en) | 2017-07-31 | 2017-07-31 | A kind of enhanced separating composite pipe separating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178950U true CN207178950U (en) | 2018-04-03 |
Family
ID=61745003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720941826.7U Active CN207178950U (en) | 2017-07-31 | 2017-07-31 | A kind of enhanced separating composite pipe separating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178950U (en) |
-
2017
- 2017-07-31 CN CN201720941826.7U patent/CN207178950U/en active Active
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