CN203082383U - Fiber-reinforced inflaming-retarding antistatic thin-walled steel-plastic composite pipe - Google Patents
Fiber-reinforced inflaming-retarding antistatic thin-walled steel-plastic composite pipe Download PDFInfo
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- CN203082383U CN203082383U CN 201220726808 CN201220726808U CN203082383U CN 203082383 U CN203082383 U CN 203082383U CN 201220726808 CN201220726808 CN 201220726808 CN 201220726808 U CN201220726808 U CN 201220726808U CN 203082383 U CN203082383 U CN 203082383U
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Abstract
The utility model discloses a fiber-reinforced inflaming-retarding antistatic thin-walled steel-plastic composite pipe which comprises a metal pipe-shaped framework. The metal pipe-shaped framework is a thin-walled metal pipe. An inner wall and an outer wall of the thin-walled metal pipe are coated or sprayed with an inner transition interface layer and an outer transition interface layer respectively. An inflaming-retarding antistatic coating is coated on the surface of the inner transition interface layer. A fiber resin reinforced layer covers the surface of the outer transition interface layer, wherein the fiber resin reinforced layer is formed after fibers or fabric and resin which is added with inflaming-retarding agents, antistatic agents and stuffing solidify. The fiber-reinforced inflaming-retarding antistatic thin-walled steel-plastic composite pipe features light weight, inflaming-retarding performance, antistatic performance, wear-resistant performance, erosion-resistant performance, strong interfacial adhesion and the like. The inflaming-retarding performance can meet the requirement of MT181-88, the superficial resistance is lower than 1*106ohm, the interfacial adhesion strength can reach primary grade, the weight of the fiber-reinforced inflaming-retarding antistatic thin-walled steel-plastic composite pipe is about half of that of an ordinary steel-plastic composite pipe of the same specification so that installation difficulties and labor intensity are greatly reduced and bending resistance, crush resistance and shock resistance are strong.
Description
Technical field
The utility model relates to a kind of delivering pipe that is used for the inferior inflammable and explosive place of coal mine, especially a kind of improvement of fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite structural design.
Background technique
A lot of fields such as colliery, oil and gas exploitation and conveying all need different bore pipeline transport gases, liquid and fluidized solids particle.These fields not only require pipeline to have conventional physics characteristic index (as bending resistance, resistance to compression, shock resistance, antistatic), also need to have the excellent chemical performance index (anticorrosive, fire-retardant, resistance to wear).In the past for over ten years, nonmetallic material such as PVC and glass fibre reinforced plastics are widely used in these fields, have also solved fire-retardant and antistatic problem.But along with the higher attention of country to the field safety work of mining industry equal energy source, the technical order that a lot of in recent years nonmetal pipelines are progressively being strengthened because of its potential potential safety hazard is on the verge of being replaced, and metallic conduit returns to the application stage again., metal loses use value but very easily corroding in a humid environment, and the common metal pipe is guaranteeing that tube wall is thicker under the pressure rating condition, weight is bigger, increased mounting hardness greatly, make a large amount of uses of heavy caliber metallic conduit under coal mine still be in very difficult condition, metals resources in short supply also needs to change present technology path.
Publication number is that the patent application of CN 1648508A discloses a kind of steel-plastic composite pipe, and it comprises that the tubular metal frame that has the hole pattern structure strengthens body, had once improved the mechanical property of Glass Steel Tube greatly.The combining of outer and internal layer by metal frame and glass fibre reinforced plastics, formation outer wall surface recombination have the thermoplastic fiber layer with antistatic performance and the anticorrosion antiwear layer of inner layer tube wall, and the using value of glass fibre reinforced plastics is improved.This structure has the advantage of plastic tube and metal tube concurrently, compares with metal tube but the metal frame of hole pattern structure strengthens body, and its resistance to compression, tension and antiknock are split global index and differed greatly.Will inevitably require composite plastic thickness outer and internal layer bigger, the tube wall of steel-plastic composite pipe be thickened, the weight increase, form the contradiction of mutual restriction.
The model utility content
The technical problems to be solved in the utility model provides a kind of fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite, it adopts thin metallic tubd to replace the support of wire netting as the basic tensile strength of composite pipe, and the inside and outside surface of Guan Ji handled respectively, form the transition interface layer, on the inner and outer surface that forms the transition interface layer is compound respectively, strengthen stress layer and anticorrosion antiwear layer, realize that whole mechanical structure improves.
For solving the problems of the technologies described above, the technological scheme that the utility model is taked is:
A kind of fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite, comprise the tubular skeleton of metal in its structure, the tubular skeleton of described metal is a thin metallic tubd, in the inner and outer wall of thin metallic tubd applies respectively or is coated with the transition interface layer and outside the transition interface layer, be coated with the flame-retardant and anti-static coating on the surface of interior transition interface layer, the surface of transition interface layer is coated with the fibre resin enhancement layer that forms behind the resin solidification by fiber or fabric and adding fire retardant, anti-static agent and stuffing outside.
Adopt thin metallic tubd to make the parent tube of composite pipe in the technique scheme, strengthen body with the metal frame that is provided with the hole pattern structure and compare, have the advantage of whole tension, compressive strength equilibrium; Described thin metallic tubd outer wall is provided with fire-retardant, anlistatig fibre resin enhancement layer, has further strengthened the intensity of thin metallic tubd on the one hand, can prevent that on the other hand thin metallic tubd from corroding under humidity or chemical environment; Adopt thin metallic tubd and fibre resin enhancement layer, the intensity of steel-plastic composite pipe can reach usage requirement, that the flame-retardant and anti-static coating of internal layer only need play is antistatic, prevent that the effect that corrosion takes place under humidity or chemical environment thin metallic tubd from get final product, and further improvement is to have added wear resistant filler in interior coating.The deadweight of steel-plastic composite pipe is lighter, is convenient to the down-hole and installs.The existing market of the prescription of described flame-retardant and anti-static coating and raw material specially can supply, and disclosed tested recipe is also arranged, and is the composite adhered curing agent that relates in the Chinese patent of CN100436910C as grant number.
The beneficial effect that adopts the utility model to produce is: (1) steel-plastic composite pipe of the present utility model have in light weight, fire-retardant, antistatic, wear-resisting, anti-corrosion and the interface in conjunction with excellent comprehensive performances such as strong, its flame retardant property has reached the MT181-88 requirement, and surface resistance is for being lower than 1 * 10
6Ohm, interface bond strength reaches 1 grade, and weight is the about 1/2nd of same specification plain carbon steel plastic composite, greatly reduces installation difficulty and labor intensity.(2) steel-plastic composite pipe of the present utility model has bending resistance, resistance to compression, strong shock resistance concurrently, and it can be widely used in numerous areas such as the exploitation of colliery, petroleum gas and conveying.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Wherein, 1, thin metallic tubd, 2, the fibre resin enhancement layer, 3, the flame-retardant and anti-static coating, 4, outer transition interface layer, 5, interior transition interface layer.
Embodiment
A kind of fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite, comprise the tubular skeleton of metal in its structure, the tubular skeleton of described metal is a thin metallic tubd 1, in the inner and outer wall of thin metallic tubd 1 applies respectively or is coated with transition interface layer 5 and outside transition interface layer 4, be coated with flame-retardant and anti-static coating 3 on the surface of interior transition interface layer 5, the surface of transition interface layer 4 is coated with the fibre resin enhancement layer 2 that forms behind the resin solidification by fiber or fabric and adding fire retardant, anti-static agent and stuffing outside.Contain the combination force of coupling agent, enhancing coating and thin metallic tubd 1 in the coating of interior transition interface layer 5 and outer transition interface layer 4, interface bond strength reaches 1 grade.
The wall thickness of described thin metallic tubd 1 is that 0.8-6 mm, supporting external diameter are 48-1527 mm.
Fibre resin enhancement layer 2 thickness are wall thickness 1-5 times of thin metallic tubd 1.Play the effect of flame-retardant and anti-static.Described fiber is glass fibre, nylon fibre, polypropylene fiber, pre-oxidized acrylonitrile polymer fiber or carbon fiber etc.
Flame-retardant and anti-static coating 3 thick 0.2-2.5mm.That wear-resisting antistatic coating plays is fire-retardant, antistatic and wear-resisting effect.
Thin metallic tubd 1 is the ERW or the helix seam welded tube of low carbon steel or low alloy steel.
As another embodiment, between thin metallic tubd 1 and interior transition interface layer 5 and thin metallic tubd 1 and outside also be coated with the contacting permeation layer that is added with coupling agent between the transition interface layer 4.Contacting permeation layer and transition interface layer help increasing between thin metallic tubd 1 and the flame-retardant and anti-static coating 3 and the combination force between thin metallic tubd 1 and the fibre resin enhancement layer 2.
Particularly, the preparation process of present embodiment is:
The fire-resistant antistatic coating of step 4, employing liquid applies the thin-wall metal inner tube wall.Play and prevent that thin metallic tubd from the effect of corrosion taking place under humidity or chemical environment.
To sum up, the utility model adopts thin metallic tubd as managing matrix, also using the fibre resin enhancement layer as enhancement layer, have in light weight, fire-retardant, antistatic, wear-resisting, anti-corrosion and the interface in conjunction with excellent comprehensive performances such as strong, have bending resistance, resistance to compression, strong shock resistance concurrently, interface bond strength reaches 1 grade.Can be widely used in numerous areas such as the exploitation of colliery, petroleum gas and conveying.
Claims (6)
1. fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite, comprise the tubular skeleton of metal in its structure, it is characterized in that the tubular skeleton of described metal is thin metallic tubd (1), in the inner and outer wall of thin metallic tubd (1) applies respectively or is coated with transition interface layer (5) and outside transition interface layer (4), be coated with flame-retardant and anti-static coating (3) on the surface of interior transition interface layer (5), the surface of transition interface layer (4) is coated with fibre resin enhancement layer (2) outside.
2. according to the described fiber reinforcement flame-retardant and anti-static of claim 1 Steel Thin-Wall plastic composite, it is characterized in that between thin metallic tubd (1) and interior transition interface layer (5) and thin metallic tubd (1) and outside also be coated with the contacting permeation layer between the transition interface layer (4).
3. fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite according to claim 1 and 2, the wall thickness that it is characterized in that described thin metallic tubd (1) are that 0.8-6 mm, supporting external diameter are 48-1527 mm.
4. fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite according to claim 1 and 2 is characterized in that fibre resin enhancement layer (2) thickness is wall thickness 1-5 times of thin metallic tubd (1).
5. fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite according to claim 1 and 2 is characterized in that the thick 0.2-2.5mm of flame-retardant and anti-static coating (3).
6. fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite according to claim 1 is characterized in that ERW or the helix seam welded tube of thin metallic tubd (1) for low carbon steel or low alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726808 CN203082383U (en) | 2012-12-26 | 2012-12-26 | Fiber-reinforced inflaming-retarding antistatic thin-walled steel-plastic composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726808 CN203082383U (en) | 2012-12-26 | 2012-12-26 | Fiber-reinforced inflaming-retarding antistatic thin-walled steel-plastic composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203082383U true CN203082383U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220726808 Expired - Lifetime CN203082383U (en) | 2012-12-26 | 2012-12-26 | Fiber-reinforced inflaming-retarding antistatic thin-walled steel-plastic composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203082383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075038A (en) * | 2014-01-10 | 2014-10-01 | 伦慧东 | Inorganic gel-steel prestress composite pipe |
-
2012
- 2012-12-26 CN CN 201220726808 patent/CN203082383U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075038A (en) * | 2014-01-10 | 2014-10-01 | 伦慧东 | Inorganic gel-steel prestress composite pipe |
| CN104075038B (en) * | 2014-01-10 | 2016-07-06 | 伦慧东 | Inorganic gel-steel prestressing force multiple tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: TANGSHAN JIAJI COMPOSITE PIPE Corp.,Ltd. Assignor: Lun Huidong Contract record no.: 2013130000105 Denomination of utility model: Fiber reinforcement flame-retardant and anti-static Steel Thin-Wall plastic composite and moulding process thereof Granted publication date: 20130724 License type: Exclusive License Record date: 20131009 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |