CN202733206U - Electrostatic dissipative type oil station buried oil delivery pipeline - Google Patents
Electrostatic dissipative type oil station buried oil delivery pipeline Download PDFInfo
- Publication number
- CN202733206U CN202733206U CN201220411862.XU CN201220411862U CN202733206U CN 202733206 U CN202733206 U CN 202733206U CN 201220411862 U CN201220411862 U CN 201220411862U CN 202733206 U CN202733206 U CN 202733206U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- layer
- electrostatic dissipation
- oil
- gas station
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model belongs to the technical field of manufacturing of oil delivery pipelines and relates to an electrostatic dissipative type oil station buried oil delivery pipeline which is in a four-layer composite pipe structure. A pipeline body layer prepared by high-density polyethylene, a bonding layer prepared by maleic anhydride grafted polyethylene blend resin, an oil-vapor separation layer prepared by ethylene-ethenol copolymer and an electrostatic dissipation layer prepared by conductive polyamide are arranged sequentially from outside to inside. Resin materials with excellent separating performances are chosen, and the thickness of the separation layer is rationally designed, so that oil-vapor permeation of the pipeline is almost zero, and environmental requirements on freeness of environmental pollution are met. The pipeline body layer provides capability to bearing internal pressure load for the pipeline, the bonding layer enables the pipeline body layer and the separation layer to be a whole, and integral strength and pressure bearing performance of the pipeline meet standard requirements. In addition, by designing materials and structure, the pipeline has the advantages of corrosion resistance, light weight, high flexibility, convenience in mounting and construction and the like, and the service life is longer than 20 years.
Description
Technical field
The utility model belongs to oil transport pipeline and makes the field, is specifically related to a kind of electrostatic dissipation type gas station buried oil pipeline for the buried gasoline feed in gas station.
Background technique
Existing gas station Buried Oil Pipelines mainly contains two classes, and a class is traditional seamless steel pipe, and there is the problem of corrosion failure leakage of oil in such pipeline, not only affects gasoline purity, polluted underground water source, also may cause security incident; Another kind of is the plastics multi-layered composite pipes, and such pipeline outwards is designed with electrostatic dissipation layer and barrier layer successively by inwall, so that pipeline has the excellent performances such as corrosion-resistant, impermeable and electrostatic dissipation, is a kind of safe and eco-friendly duct products.Yet this type of multi-layered composite pipe adopts the polyethylene conductive resin of not anti-gasoline swelling as pipeline lining, must cause pipeline lining material oil suction swelling for delivery of gasoline for a long time, and electrostatic dissipative properties weakens, thereby affects the performance and used life of pipeline.For this reason, need to carry out design improvement to pipeline configuration and the selection of material, to overcome defects.
The model utility content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of electrostatic dissipation type gas station buried oil pipeline with excellent corrosion-resistant, impermeable, electrostatic dissipation and swelling resistance.
Described a kind of electrostatic dissipation type gas station buried oil pipeline is four layers of composite pipe structure, it is characterized in that described transport pipe sets gradually pipe main body layer, adhesive layer, oily vapour locking interlayer and electrostatic dissipation layer from outside to inside.
Described a kind of electrostatic dissipation type gas station buried oil pipeline is characterized in that adhesive layer that described transport pipe sets gradually from outside to inside the pipe main body layer that is prepared from by high density polyethylene (HDPE), is prepared from by the composite resin of maleic anhydride grafted polyethylene, the oily vapour locking interlayer that is prepared from by ethylene-vinyl alcohol copolymer and the electrostatic dissipation layer that is prepared from by electrically conductive polyamide.
Described a kind of electrostatic dissipation type gas station buried oil pipeline, the Length Ratio that it is characterized in that transport pipe external diameter and wall thickness is 9-11:1.
Described a kind of electrostatic dissipation type gas station buried oil pipeline, the thickness that it is characterized in that described adhesive layer is 0.45-0.55mm.
Described a kind of electrostatic dissipation type gas station buried oil pipeline is characterized in that the thickness 0.06-0.1mm of described oily vapour locking interlayer.
Described a kind of electrostatic dissipation type gas station buried oil pipeline, the thickness that it is characterized in that described electrostatic dissipation layer is 0.25-0.30mm.
The utility model obtains the composite pipe of multi-layer structure by adopting above-mentioned technology, at the pipeline innermost layer electrostatic dissipation layer is set, and uses the polyamide resin material of conductive black modification, and surface resistivity is lower than 10
9Ω avoids in the gasoline course of conveying, and negative charge is accumulated at inner-walls of duct, significantly reduces fire, explosive accident frequency; Simultaneously, polyamide has certain barrier property and the excellent chemical product of anti-hydro carbons performance, so that the electrostatic dissipation layer can be by the alkanes substance swelling in the gasoline, Long-Term Properties is guaranteed; And polyamide and ethylene-vinyl alcohol copolymer have good compatibility, need not use binding resin bonding, and pipeline configuration is simplified more; And owing to selecting resin material and the appropriate design barrier layer thickness of barrier property excellence, the oily vapour infiltration of pipeline is almost nil, meets environmental requirement free from environmental pollution.The ability that the pipe main body layer provides pipeline to bear inner pressuring load, adhesive layer is so that tubing body layer and barrier layer become one, and pipeline bulk strength and load performance satisfy the requirement of standard; In addition, by the design of materials and structure, that pipeline also has is corrosion-resistant, quality is light, flexiblely reach well the advantages such as installation is convenient, and working life is more than 20 years.
Description of drawings
Fig. 1 is cross section structure schematic diagram of the present utility model;
Fig. 2 is the local structure for amplifying schematic diagram in the cross section of Fig. 1.
Among the figure: 1-pipe main body layer; The 2-adhesive layer; 3-oil vapour locking interlayer; 4-electrostatic dissipation layer.
Embodiment
The utility model will be further described below in conjunction with Figure of description:
As shown in Figure 1, a kind of electrostatic dissipation type gas station buried oil pipeline, be four layers of composite pipe structure, the ratio of outer diameter tube and wall thickness is 10:1, set gradually from outside to inside pipe main body layer 1, adhesive layer 2, oily vapour locking interlayer 3 and electrostatic dissipation layer 4, wherein pipe main body layer 1 is high-density polyethylene layer; Adhesive layer 2 is the composite resin layer of maleic anhydride grafted polyethylene; Oil vapour locking interlayer 3 is evoh layer; Electrostatic dissipation layer 4 is the electrically conductive polyamide layer.
Described electrostatic dissipation layer 4 thickness are 0.25-0.30mm, and it uses the electrically conductive polyamide material, and by regulating conductive black content and layer thickness, the surface resistivity of control inner surface of pipeline is 10
6-10
9Ω so that the negative charge that gasoline produces when carrying can be delivered to the ground connection place and dissipates by conductive path, can not form accumulation of static electricity.
Described oil gas barrier layer 3 uses ethylene-vinyl alcohol copolymer resin, and this layer thickness can satisfy the oil gas seepage velocity about preferred 0.8mm and be lower than 2.0gm at 0.6-1.0mm usually
-2D
-1Standard-required, the utility model designs this layer thickness 0.10-0.15 mm, can realize that the oil gas seepage velocity is lower than 0.2 gm
-2D
-1
Described adhesive layer 2 thickness are 0.45-0.55mm, and it guarantees that with pipe main body layer 1 and oil gas barrier layer 3 bonding being integral interlayer has good combination force, and pipeline uses and interlaminar separation can not occur in 20 years, has guaranteed the Long-Term Properties of pipeline.
The ratio of outer diameter tube and wall thickness is 9-11:1, is preferably 10:1, the therefore thickness of described pipe main body layer 1, and variant, outer diameter tube is larger according to the difference of outer diameter tube, and then the thickness of this layer is also larger.
The electrostatic dissipation layer of pipeline innermost layer of the present utility model, the polyamide resin material of use conductive black modification, surface resistivity is lower than 10
9Ω can avoid in the gasoline course of conveying, and negative charge is accumulated at inner-walls of duct, significantly reduces fire, explosive accident frequency.Simultaneously, polyamide has certain barrier property and the excellent chemical product of anti-hydro carbons performance, so that the electrostatic dissipation layer can be by the alkanes substance swelling in the gasoline, Long-Term Properties is guaranteed.Polyamide and ethylene-vinyl alcohol copolymer have good compatibility, need not use binding resin bonding, pipeline configuration is simplified more, and owing to selecting resin material and the appropriate design barrier layer thickness of barrier property excellence, the oily vapour infiltration of pipeline is almost nil, meets environmental requirement free from environmental pollution.The pipe main body layer provides pipeline to bear the ability of inner pressuring load, adhesive layer so that tubing body layer and barrier layer become one, pipeline bulk strength and load performance satisfy the requirement of standard, also have corrosion-resistant, quality is light, flexiblely reach well the advantages such as installation is convenient, working life is more than 20 years.
Claims (6)
1. an electrostatic dissipation type gas station buried oil pipeline is four layers of composite pipe structure, it is characterized in that described transport pipe sets gradually pipe main body layer (1), adhesive layer (2), oily vapour locking interlayer (3) and electrostatic dissipation layer (4) from outside to inside.
2. a kind of electrostatic dissipation type according to claim 1 gas station buried oil pipeline is characterized in that adhesive layer (2) that described transport pipe sets gradually from outside to inside the pipe main body layer (1) that is prepared from by high density polyethylene (HDPE), is prepared from by the composite resin of maleic anhydride grafted polyethylene, the oily vapour locking interlayer (3) that is prepared from by ethylene-vinyl alcohol copolymer and the electrostatic dissipation layer (4) that is prepared from by electrically conductive polyamide.
3. a kind of electrostatic dissipation type according to claim 1 gas station buried oil pipeline, the Length Ratio that it is characterized in that transport pipe external diameter and wall thickness is 9-11:1.
4. a kind of electrostatic dissipation type according to claim 1 gas station buried oil pipeline, the thickness that it is characterized in that described adhesive layer (2) is 0.45-0.55mm.
5. a kind of electrostatic dissipation type according to claim 1 gas station buried oil pipeline is characterized in that the thickness 0.06-0.1mm of described oily vapour locking interlayer (3).
6. a kind of electrostatic dissipation type according to claim 1 gas station buried oil pipeline, the thickness that it is characterized in that described electrostatic dissipation layer (4) is 0.25-0.30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220411862.XU CN202733206U (en) | 2012-08-20 | 2012-08-20 | Electrostatic dissipative type oil station buried oil delivery pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220411862.XU CN202733206U (en) | 2012-08-20 | 2012-08-20 | Electrostatic dissipative type oil station buried oil delivery pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733206U true CN202733206U (en) | 2013-02-13 |
Family
ID=47658905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220411862.XU Expired - Lifetime CN202733206U (en) | 2012-08-20 | 2012-08-20 | Electrostatic dissipative type oil station buried oil delivery pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202733206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113167412A (en) * | 2018-12-14 | 2021-07-23 | 株式会社可乐丽 | Fuel pipe and fuel transport method using same |
-
2012
- 2012-08-20 CN CN201220411862.XU patent/CN202733206U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113167412A (en) * | 2018-12-14 | 2021-07-23 | 株式会社可乐丽 | Fuel pipe and fuel transport method using same |
| US11959580B2 (en) | 2018-12-14 | 2024-04-16 | Kuraray Co., Ltd. | Fuel pipe and fuel conveyance method using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10724660B2 (en) | Flexible reinforced pipe and reinforcement tape | |
| CN102797916A (en) | Multilayer structure glass fiber reinforced plastic tube | |
| US20090139596A1 (en) | Dual-containment pipe containing fluoropolymer | |
| CN202733206U (en) | Electrostatic dissipative type oil station buried oil delivery pipeline | |
| CN201420903Y (en) | Composite plastic tube with continuous steel mesh skeleton | |
| CN106523810B (en) | A kind of MULTILAYER COMPOSITE fuel feed pipe | |
| CN203963298U (en) | The non-bonding flexible pipe of blending material enhancement mode | |
| CN102010592A (en) | Multi-layer composite nylon fuel pipe | |
| US20150000639A1 (en) | Multiple-layer fuel line | |
| CN205401978U (en) | Take prevention of seepage of sheath to lead double -deck compound pipe of static | |
| JP2004169851A (en) | Multi-layered tube | |
| JP2006159837A (en) | Multi-layered resin tube | |
| CN111844678A (en) | Composite material non-bonded flexible pipe, preparation method and application | |
| CN213479408U (en) | High-barrier flexible composite pipe | |
| CN206929478U (en) | A kind of double-deck pipe fitting joint static conductive attachment structure | |
| CN201897018U (en) | Double-pipe body oil delivery pipe | |
| CN203614934U (en) | Continuous fiber reinforced thermoplastic composite pipeline for oil and gas pipeline network | |
| CN203686396U (en) | Large-caliber thermoplastic composite tube | |
| CN206647632U (en) | Wear-resisting, scratch resistant buried PE gas pipelines | |
| RU2601013C1 (en) | Polymer pipe and pipeline for fuel transportation | |
| CN205919020U (en) | Wear -resisting anticorrosive RTP pipe | |
| CN201013402Y (en) | Special gas pumping pipe for coal mine | |
| CN211289079U (en) | Pipe connecting assembly | |
| CN206918438U (en) | A kind of gas station is buried to use the enhanced impermeable composite petroleum pipeline of thermoplastic | |
| CN205877471U (en) | Prevent static and fail oil pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
|
| CX01 | Expiry of patent term |