CN106523807B - XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas, pipeline system and preparation method - Google Patents
XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas, pipeline system and preparation method Download PDFInfo
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- CN106523807B CN106523807B CN201611173741.5A CN201611173741A CN106523807B CN 106523807 B CN106523807 B CN 106523807B CN 201611173741 A CN201611173741 A CN 201611173741A CN 106523807 B CN106523807 B CN 106523807B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
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- Rigid Pipes And Flexible Pipes (AREA)
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Abstract
The invention relates to the technical field of pipes, in particular to an XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas, a pipeline system and a preparation method, which are composed of an XSC50 resin pipe layer, an aluminum pipe layer, an oxidation film protective layer and an anti-oxidation corrosion layer with high adhesive force, wherein the layers are sequentially arranged from inside to outside; the XSC50 resin pipe is used as a raw material, so that the prepared XSC50 cold-shrinkage plastic-lined aluminum alloy pipe is high in mechanical strength, good in toughness, very good in strength and rigidity in a high-temperature environment, high in heat-resistant grade and suitable for working in various environments; meanwhile, the aluminum pipe and the XSC50 resin pipe are connected in a seamless mode through cold shrinkage, the aluminum pipe and the XSC50 resin pipe can be firmly combined without a binder, and the XSC50 resin pipe layer, the aluminum pipe layer, the oxidation film protection layer and the anti-oxidation corrosion layer with high adhesive force are adopted, so that the strength of the manufactured pipe reaches 5.5MPa at 70 ℃/50 years, and meanwhile, the preparation cost is controlled; the preparation method is simple, and the prepared XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe has excellent performance and has important significance for promoting the application development of a gas pipe.
Description
Technical Field
The invention relates to the technical field of pipes, in particular to an XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas, a pipeline system and a preparation method.
Background
At present, in the municipal pipe market of China, plastic pipelines are steadily developed, polyethylene pipes (PE pipes), polypropylene pipes (PP-R pipes) and rigid polyvinyl chloride pipes (UPVC pipes) all occupy a place, and the strong development of the polyethylene pipes is most remarkable. Polyethylene pipes are used in a wide range of fields, of which water supply pipes and gas pipes are the two largest application markets. The PE resin is polymerized from monomer polyethylene, and because of different polymerization conditions such as pressure and temperature during polymerization, resins having different densities can be obtained, and thus the PE resin is classified into high-density polyethylene, medium-density polyethylene and low-density polyethylene. The PE pipe has the advantages of good sanitary performance, corrosion resistance, long service life, impact resistance, light weight, simple welding process, low manufacturing cost and the like, and is widely used.
The existing PE gas pipe is obtained by putting a PE material, a color master, an antioxidant, a flame retardant and a conductive agent into an extruder, spraying and cooling the mixture, and cutting the mixture at a fixed length. And then, checking and accepting the PE gas pipe, warehousing the qualified PE gas pipe, and using the unqualified PE gas pipe.
In the existing gas pipe, due to the defects of low mechanical strength, poor toughness, insufficient high-temperature strength and rigidity, low heat-resistant grade and the like, the actual application range of the existing gas pipe is limited by the use environment and cannot be used in the environment with harsh environment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas, a pipeline system and a preparation method.
The purpose of the invention is realized by the following technical scheme:
the XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for the fuel gas consists of an XSC50 resin pipe layer, an aluminum pipe layer, an oxidation film protective layer and an anti-oxidation corrosion layer with high adhesive force, which are arranged from inside to outside in sequence; the thickness of the XSC50 resin tube layer is x, the thickness of the aluminum tube layer is y, the thickness of the oxidation film protective layer is 9-11 μm, the thickness of the high-adhesion anti-oxidation corrosion layer is 20-25 μm, and the thickness of the 2.5mm is more than or equal to x: y is less than or equal to 3 mm.
Furthermore, x is more than or equal to 1.25mm and less than or equal to 2.1mm, and y is more than or equal to 0.5mm and less than or equal to 0.7 mm.
Furthermore, the thickness of the XSC50 resin tube layer is 1.7mm-1.9mm, the thickness of the aluminum tube layer is 0.79mm-0.81mm, the thickness of the oxidation film protective layer is 9.8-10.2 μm, and the thickness of the high-adhesion anti-oxidation corrosion layer is 20-25 μm.
Further, the oxide film protective layer is an aluminum oxide protective layer.
Furthermore, the XSC50 resin tube layer, the aluminum tube layer, the oxidation film protection layer and the high-adhesion anti-oxidation corrosion layer are coaxially arranged and are sequentially connected in a seamless mode.
Further, the XSC50 resin tube layer was cold-shrunk to the aluminum tube layer.
Furthermore, the anti-oxidation corrosion layer is an anti-oxidation corrosion coating layer and consists of an adhesion promoter, a curing agent and a diluent in a mass ratio of 10:1: 15-20.
XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe pipeline system for fuel gas comprises the XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas.
The preparation method of the XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for the fuel gas comprises the following steps of:
s1, carrying out pipe penetrating and heading treatment on an aluminum pipe and an XSC50 resin pipe, and then carrying out drawing treatment through a drawing machine;
s2, straightening and cutting the pipe;
s3, soaking the pipe in the oxidizing solution for 80-100min to oxidize a 9-11 mu m thick oxide film protective layer on the surface of the pipe; the oxidizing liquid is aluminum oxide liquid;
and S4, cleaning the pipe, coating a high-adhesion anti-oxidation corrosion layer on the surface, and using XSC50 cold-shrinkage plastic-lined aluminum alloy pipe for fuel gas.
Further, the pulling force of the drawing machine is 3-5 tons.
The invention has the beneficial effects that: the XSC50 resin pipe is used as a raw material, so that the prepared XSC50 cold-shrinkage plastic-lined aluminum alloy pipe is high in mechanical strength, good in toughness, very good in strength and rigidity in a high-temperature environment, high in heat-resistant grade and suitable for working in various environments; meanwhile, the aluminum pipe and the XSC50 resin pipe are connected in a seamless mode through cold shrinkage, the aluminum pipe and the XSC50 resin pipe can be firmly combined without a binder, and the XSC50 resin pipe layer, the aluminum pipe layer, the oxidation film protection layer and the anti-oxidation corrosion layer with high adhesive force are adopted, so that the strength of the manufactured pipe reaches 5.5MPa at 70 ℃/50 years, and meanwhile, the preparation cost is controlled; the preparation method is simple, and the prepared XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe has excellent performance and has important significance for promoting the application development of a gas pipe.
Drawings
FIG. 1 is a structural diagram of an XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas of the invention;
FIG. 2 is a cross-sectional view of an XSC50 cold-shrink type plastic-lined aluminum alloy pipe for fuel gas of the present invention;
in the figure, a 1-XSC50 resin tube layer, a 2-aluminum tube layer, a 3-oxidation film layer and a 4-oxidation corrosion prevention layer.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the following specific examples, but the scope of the present invention is not limited to the following.
As shown in fig. 1 and fig. 2, the XSC50 cold-shrinkage plastic-lined aluminum alloy pipe for fuel gas comprises an XSC50 resin pipe layer 1, an aluminum pipe layer 2, an oxide film protective layer 3 and a high-adhesion anti-oxidation corrosion layer 4 which are arranged from inside to outside in sequence; the thickness of the XSC50 resin tube layer 1 is x, the thickness of the aluminum tube layer 2 is y, the thickness of the oxidation film protection layer 3 is 9-11 μm, the thickness of the high-adhesion anti-oxidation corrosion layer 4 is 20-25 μm, and the thickness of the 2.5mm is more than or equal to x: y is less than or equal to 3 mm.
Preferably, x is more than or equal to 1.25mm and less than or equal to 2.1mm, and y is more than or equal to 0.5mm and less than or equal to 0.7 mm.
Preferably, the thickness of the XSC50 resin tube layer 1 is 1.7mm-1.9mm, the thickness of the aluminum tube layer 2 is 0.79mm-0.81mm, the thickness of the oxidation film protective layer 3 is 9.8-10.2 μm, and the thickness of the high-adhesion anti-oxidation corrosion layer 4 is 20-25 μm.
Specifically, the oxide film protection layer 3 is an aluminum oxide protection layer.
Specifically, the XSC50 resin tube layer 1, the aluminum tube layer 2, the oxidation film protection layer 3 and the high-adhesion anti-oxidation corrosion layer 4 are coaxially arranged and are sequentially connected in a seamless mode.
Specifically, the XSC50 resin tube layer 1 was cold-shrunk connected to an aluminum tube layer.
Specifically, the anti-oxidation corrosion layer 4 is an anti-oxidation corrosion coating layer and consists of an adhesion promoter, a curing agent and a diluent in a mass ratio of 10:1:15-20, wherein the solid content of the adhesion promoter is 6-10%, and the viscosity of the adhesion promoter is 8-12s after coating four cups; at normal temperature, the surface drying time of the anti-oxidation corrosion coating is less than or equal to 30min, and the hard drying time is less than or equal to 24 h.
XSC50 cold-shrinkage type plastic-lined aluminum alloy pipeline system for fuel gas comprises the XRT70 cold-shrinkage type plastic-lined aluminum alloy pipe for cold and hot water.
The preparation method of the XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for the fuel gas comprises the following steps of:
s1, carrying out pipe penetrating and heading treatment on an aluminum pipe and an XSC50 resin pipe, and then carrying out drawing treatment through a drawing machine;
s2, straightening and cutting the pipe;
s3, soaking the pipe in the oxidizing solution for 80-100min to oxidize a 9-11 mu m thick oxide film protective layer on the surface of the pipe; the oxidation liquid is alumina liquid;
and S4, cleaning the pipe, coating a high-adhesion anti-oxidation corrosion layer on the surface, and using XSC50 cold-shrinkage plastic-lined aluminum alloy pipe for fuel gas.
Specifically, the pulling force of the drawing machine is 3-5 tons.
The pipe manufactured by the method is subjected to performance test with the traditional aluminum pipe and gas pipe, and the test results are shown in table 1.
TABLE 1 comparison table for testing performance of XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas
When the XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for the fuel gas is used, the XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for the fuel gas is directly applied to a pipeline system, and the XSC50 resin pipe is used as a raw material, so that the prepared XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe is high in mechanical strength, good in toughness, very good in strength and rigidity in a high-temperature environment, high in heat-resistant level and suitable for working in various environments; meanwhile, the aluminum pipe and the XSC50 resin pipe are connected in a seamless mode through cold shrinkage, the aluminum pipe and the XSC50 resin pipe can be firmly combined without a binder, and the XSC50 resin pipe layer, the aluminum pipe layer, the oxidation film protection layer and the anti-oxidation corrosion layer with high adhesive force are adopted, so that the strength of the manufactured pipe reaches 5.5MPa at 70 ℃/50 years, and meanwhile, the preparation cost is controlled; the preparation method is simple, and the prepared XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe has excellent performance and has important significance for promoting the application development of a gas pipe.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for the fuel gas is characterized by consisting of an XSC50 resin pipe layer, an aluminum pipe layer, an oxidation film protective layer and an anti-oxidation corrosion layer with high adhesive force, wherein the XSC50 resin pipe layer, the aluminum pipe layer, the oxidation film protective layer and the anti-oxidation corrosion layer are sequentially arranged from inside to outside; the thickness of the XSC50 resin tube layer is x, the thickness of the aluminum tube layer is y, the thickness of the oxidation film protective layer is 9-11 mu m, the thickness of the high-adhesion anti-oxidation corrosion layer is 20-25 mu m, wherein 2.5mm is larger than or equal to x: y is less than or equal to 3mm, and the XSC50 resin tube layer, the aluminum tube layer, the oxidation film protective layer and the high-adhesion anti-oxidation corrosion layer are coaxially arranged and are sequentially connected in a seamless manner; the XSC50 resin tube layer is in cold-shrink connection with the aluminum tube layer; the anti-oxidation corrosion layer is an anti-oxidation corrosion coating layer and consists of an adhesion promoter, a curing agent and a diluent in a mass ratio of 10:1: 15-20; the solid content of the adhesion promoter is 6-10%, and the viscosity of the adhesion promoter is 8-12s after coating four cups; under normal temperature, the surface drying time of the anti-oxidation corrosion coating is less than or equal to 30min, and the hard drying time is less than or equal to 24 h; the XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas has the strength of about 5.5MPa at 70 ℃/50 years;
the preparation method comprises the following steps:
s1, carrying out pipe penetrating and heading treatment on an aluminum pipe and an XSC50 resin pipe, and then carrying out drawing treatment through a drawing machine; the pulling force of the drawing machine is 3-5 tons;
s2, straightening and cutting the pipe;
s3, soaking the pipe in the oxidizing solution for 80-100min to oxidize a 9-11 mu m thick oxide film protective layer on the surface of the pipe; the oxidizing liquid is aluminum oxide liquid;
and S4, cleaning the pipe, and coating a high-adhesion anti-oxidation corrosion layer on the surface of the pipe to obtain the XSC50 cold-shrinkage plastic-lined aluminum alloy pipe for fuel gas.
2. The XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for gas as claimed in claim 1, wherein x is more than or equal to 1.25mm and less than or equal to 2.1mm, and y is more than or equal to 0.5mm and less than or equal to 0.7 mm.
3. The XSC50 cold-shrink type plastic-lined aluminum alloy pipe for fuel gas as claimed in claim 1, wherein the XSC50 resin pipe layer is 1.7mm-1.9mm thick, the aluminum pipe layer is 0.79mm-0.81mm thick, the oxide film protective layer is 9.8-10.2 μm thick, and the high-adhesion anti-oxidation corrosion layer is 20-25 μm thick.
4. The XSC50 cold-shrink type plastic-lined aluminum alloy pipe for fuel gas as claimed in claim 1, wherein the oxide film protection layer is an aluminum oxide protection layer.
5. XSC50 cold-shrink type plastic-lined aluminum alloy pipe pipeline system for fuel gas, which is characterized by comprising the XSC50 cold-shrink type plastic-lined aluminum alloy pipe for fuel gas as claimed in any one of claims 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611173741.5A CN106523807B (en) | 2016-12-16 | 2016-12-16 | XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas, pipeline system and preparation method |
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| CN201611173741.5A CN106523807B (en) | 2016-12-16 | 2016-12-16 | XSC50 cold-shrinkage type plastic-lined aluminum alloy pipe for fuel gas, pipeline system and preparation method |
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| CN106523807A CN106523807A (en) | 2017-03-22 |
| CN106523807B true CN106523807B (en) | 2020-07-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2487935Y (en) * | 2001-06-18 | 2002-04-24 | 林欣欣 | Double-layer corrosion-proof aluminium plastic composite pipe |
| US20090173408A1 (en) * | 2006-05-30 | 2009-07-09 | Hiroyuki Mimura | Steel Pipe Covered at its Inside Surface with Polyolefin Superior in Durability and Method of Production of Same and Plated Steel Pipe Used for that Covered Steel Pipe |
| US8616245B2 (en) * | 2007-09-21 | 2013-12-31 | E I Du Pont De Nemours And Company | Pipe interior coatings |
| CN201103773Y (en) * | 2007-11-02 | 2008-08-20 | 唐威力 | Compound layer material of conduit coupling component |
| CN106151700A (en) * | 2016-08-23 | 2016-11-23 | 常熟市双羽铜业有限公司 | A kind of corrosion-resisting aluminium plastic composite |
| CN207421556U (en) * | 2016-12-16 | 2018-05-29 | 成都蕴达管业有限公司 | Combustion gas XSC50 cold-contraction types plastics-lined aluminium alloy pipe and pipe-line system |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Ping Inventor after: Yang Xiaoping Inventor after: Liu Daisen Inventor after: Zeng Kuanyong Inventor before: Da Fujun |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171221 Address after: 610000 Xiaojiahe high new zone, Chengdu City, Sichuan Province, No. 52 Street Applicant after: Chengdu Yunda Pipes Co., Ltd. Address before: CaoShi street in Qingyang District of Chengdu City, Sichuan Province, No. 119 610031 Applicant before: Da Fujun |
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