CN102620090B - Attachment structure of glass three-layer composite pipe and attaching method thereof moulded by steel - Google Patents
Attachment structure of glass three-layer composite pipe and attaching method thereof moulded by steel Download PDFInfo
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- CN102620090B CN102620090B CN201210094565.1A CN201210094565A CN102620090B CN 102620090 B CN102620090 B CN 102620090B CN 201210094565 A CN201210094565 A CN 201210094565A CN 102620090 B CN102620090 B CN 102620090B
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Abstract
The invention discloses steel attachment structure moulding glass three-layer composite pipe and attaching method thereof, attachment structure includes connecting tile and location glass sleeve, the steel tube head that glass three-layer composite pipe connects between two moulded by described steel is steel pipe bulge loop, described connection tile is buckled on two steel pipe bulge loops, is enclosed with location glass sleeve outside described steel pipe bulge loop. The present invention makes steel mould glass three-layer composite pipe easily simply to dock, thoroughly solve the problems such as the burn into abrasion of pressure piping, fouling and rapid construction, rapid rush-repair and anti-external force destruction, the cycle of operation of pipeline is hopeful to bring up to 50 ~ 100 years, and after pipeline construction completes, substantially need not carry out the maintaining in later stage, greatly reducing the maintenance cost in running, the cycle of operation cost of pipeline greatly reduces.
Description
Technical field
The present invention relates to multiple tube, specifically attachment structure of glass three-layer composite pipe and attaching method thereof moulded by a kind of steel.
Background technology
The oil field developments such as China's grand celebration, triumph, North China, Central Plains enter middle and late stage, and water content is relatively big, and Shengli Oil Field Partial Block is moisture reaches 95%, the produced-water reinjection stratum after oil-water separation, and pressure is high and corrosivity is strong, and steel pipe life cycle is short, note polymerizing technology applied by old filed in increase production, obtain gratifying effect, but high pressure polymer injection severe corrosive and abrasion make anticorrosive coat in steel pipe quickly be worn and torn, corrosion is quickly, service life is short, add development cost, for this, test high-pressure glass fibre reinforced plastic pipe replaces steel pipe, certain progress is achieved at below 12MPa, solve etching problem, but more than 20MPa because of under fiberglass (fiberglass resin) pipe high pressure pipe shaft infiltration and cannot use, the anti-outer impact capacity of glass reinforced plastic pipe is poor simultaneously, water resistant hitting property difference, difficulty of construction is big, hardening time is long, very big difficulty is caused to pipeline modification and accident maintenance.
In the prior art; can solve the problem that the open source literature of the problems referred to above includes following: the patent No. is 200710013071; 200720017449; 200720017450 and 200920020636 etc.; glass fibre resin-immersing composite pipe described in document disclosed above; because internal layer is metal, easy fouling, perishable not application in engineering; Described polythene glass fibre resin-immersing composite pipe, application in the poly-pipeline of Shengli Oil Field high pressure injection, solve extreme pressure (up to 70MPa) infiltration and corrosion and wear problem, but its construction requirement is high, difficulty is big, joint length hardening time have impact on and promotes the use of.
Except of course that outside the above-mentioned multiple tube that glass fibre is set outside steel pipe, people rest on early published steel-plastics composite pipe or aluminium-plastic pipe, be plastic tube it is all formed known technology in the outside of steel pipe or inside, the such as patent No. is the open source literature such as 99112265,99221210,99222235,00256989,01218329,02269391, so people have reason to expect arranging plastic tube in steel duct, then glass fiber resin pipe is set outside steel pipe.
First do not say and mould glass three-layer composite pipe currently without steel, even if existing, the problem that present even more important needs solve is the connectivity problem of this three-layer composite pipe, so the attachment structure technology of necessary this multiple tube of exploitation, completely newly to draw the method for attachment of this multiple tube for this attachment structure simultaneously.
In view of this, for the problems referred to above, it is proposed to a kind of steel being effectively improved above-mentioned disappearance attachment structure moulding glass three-layer composite pipe and attaching method thereof.
Summary of the invention
It is an object of the invention to provide steel attachment structure moulding glass three-layer composite pipe and attaching method thereof, solve extreme pressure infiltration and corrosion and wear problem, during construction simply easy, making staff easily achieve the docking of this three-layer composite pipe by attachment structure and brand-new method, joint length hardening time completely eliminating prior art existence have impact on the problem promoted the use of.
In order to reach above-mentioned purpose, the invention provides steel and mould the attachment structure of glass three-layer composite pipe, including connecting tile and location glass sleeve, the steel tube head that glass three-layer composite pipe connects between two moulded by described steel is steel pipe bulge loop, described connection tile is buckled on two steel pipe bulge loops, is enclosed with location glass sleeve outside described steel pipe bulge loop.
Plastic tube within described multiple tube connects formation plastic tube weld seam by melting welding, defines space between described connection tile, steel pipe bulge loop, plastic tube weld seam, for filling fiberglass resin ring in this space.
The connection tile side between glass fiber resin pipe and location glass sleeve outside described multiple tube is provided with anticorrosion ring plate makes glass fiber resin pipe and location glass sleeve shaped integral.
Described plastic tube material is high density polyethylene (HDPE) or the copolymer of polypropylene or linear low density polyethylene or ethylene and acrylic acid copolymer or ethylene and vinyl acetate.
In order to reach above-mentioned another object, the invention provides steel and mould the method for attachment of glass three-layer composite pipe, its step is as follows:
1) first by clamping device, the two sections of multiple tubes needing docking are realized the correct of axis coincidence formula to contact, the plastic tube of multiple tube internal layer to grow the end face of steel pipe layer, namely the inner layer plastic tube of joint can be coupled by melting welding, is then wound around the height filling and leading up the steel pipe bulge loop to steel tube end part with resin pickup glass and forms filling fiberglass resin ring;
2) the connection tile of a pair steel is buckled on two sections of steel pipe bulge loops, then location glass sleeve is moved in a pair connection tile, to connecting tile locking; Resinize inside the glass sleeve of described location;
3) two panels anticorrosion ring plate is pasted onto connection tile two ends, so far realizes steel and mould the firm connection of glass three-layer composite pipe.
Described plastic tube material is high density polyethylene (HDPE) or the copolymer of polypropylene or linear low density polyethylene or ethylene and acrylic acid copolymer or ethylene and vinyl acetate.
Compared to prior art, the present invention makes steel mould glass three-layer composite pipe easily simply to dock, thoroughly solve the problems such as the burn into abrasion of pressure piping, fouling and rapid construction, rapid rush-repair and anti-external force destruction, the cycle of operation of pipeline is hopeful to bring up to 50 ~ 100 years, and after pipeline construction completes, substantially need not carry out the maintaining in later stage, greatly reducing the maintenance cost in running, the cycle of operation cost of pipeline greatly reduces.
Accompanying drawing explanation
Fig. 1 is that the attachment structure of the glass three-layer composite pipe Longitudinal cross section schematic when application moulded by steel of the present invention;
Fig. 2 is the end view drawing that the attachment structure of glass three-layer composite pipe moulded by steel of the present invention;
Fig. 3 is the cross-sectional view that glass three-layer composite pipe moulded by steel.
In figure: 1, plastic tube; 2, steel pipe; 3, glass fiber resin pipe; 4, tile is connected; 5, steel pipe bulge loop; 6, fiberglass resin ring is filled; 7, anticorrosion ring plate; 8, plastic tube weld seam; 9, location glass sleeve.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to illustrate as follows, but accompanying drawing only provides reference and purposes of discussion, is not used for the present invention is any limitation as.
According to Fig. 1 and Fig. 3, it is necessary first to introducing lower steel and mould structure and the manufacture method of glass three-layer composite pipe, structure is followed successively by plastic tube 1, steel pipe 2, glass fiber resin pipe 3 from inside to outside. Its manufacture method is: the manufacture method of glass three-layer composite pipe moulded by steel, and its step is as follows:
1) first plastic tube is interspersed in formation steel-plastics composite pipe among steel pipe; Steel-plastics composite pipe is fixed on the rotating shaft being wound around machinery and makes its uniform rotation;
2) starting and send leaching fat glass device, what glass fibre multiply immersed uniform close after resin is wrapped on outer wall of steel pipe, send resin pickup glass device at the uniform velocity to do axially reciprocating along the steel-plastics composite pipe of described rotation;
3) glass fiber resin reaches desired thickness and forms the glass fiber resin pipe outside steel pipe after heating makes it solidify, and then entirety is mechanically taken off from winding, and steel is moulded glass three-layer composite pipe and namely completed.
The described thickness of glass fiber resin pipe is directly proportional to the diameter of three-layer composite pipe and required pressure, wherein thickness is 1 30mm, numerical range 20 1500mm of diameter, three-layer composite pipe bearing capacity is 1 110MPa, steel pipe thickness uses fluid under pressure cross section to be directly proportional by axial force to three-layer composite pipe, wherein steel pipe thickness is 2 10mm, inner plastic tube thickness and diameter itself and facilitate melting welding degree to be directly proportional, and inner plastic tube thickness is 2 15mm. Described resin is the mixture of unsaturated polyester resin and firming agent, and unsaturated polyester resin divides resins for universal use, chemically-resistant resin and flexible resin; Unsaturated polyester resin toughess at room temperature is peroxidized t-butyl perbenzoate or methyl ethyl ketone peroxide; Adding the accelerator accelerated in unsaturated polyester resin solidification process, solidification temperature is 30 80 DEG C, and described hardening time is 3 20 hours. Described plastic tube material is high density polyethylene (HDPE) or the copolymer of polypropylene or linear low density polyethylene or ethylene and acrylic acid copolymer or ethylene and vinyl acetate.
According to Fig. 1 and Fig. 2 and Fig. 3, the attachment structure of glass three-layer composite pipe moulded by steel, including connecting tile 4 and location glass sleeve 9, the steel tube head that glass three-layer composite pipe connects between two moulded by described steel is steel pipe bulge loop 5, described connection tile is buckled on two steel pipe bulge loops, is enclosed with location glass sleeve 9 outside described steel pipe bulge loop. Plastic tube within described multiple tube connects formation plastic tube weld seam 8 by melting welding, defines space between described connection tile, steel pipe bulge loop, plastic tube weld seam, for filling fiberglass resin ring 6 in this space. The connection tile side between glass fiber resin pipe and location glass sleeve outside described multiple tube is provided with anticorrosion ring plate 7 makes glass fiber resin pipe and location glass sleeve shaped integral.
Described plastic tube material is high density polyethylene (HDPE) or the copolymer of polypropylene or linear low density polyethylene or ethylene and acrylic acid copolymer or ethylene and vinyl acetate.
The invention provides steel and mould the method for attachment of glass three-layer composite pipe, its step is as follows:
1) first by clamping device, the two sections of multiple tubes needing docking are realized the correct of axis coincidence formula to contact, the plastic tube of multiple tube internal layer to grow the end face of steel pipe layer, namely the inner layer plastic tube of joint can be coupled by melting welding, is then wound around the height filling and leading up the steel pipe bulge loop to steel tube end part with resin pickup glass and forms filling fiberglass resin ring;
2) the connection tile of a pair steel is buckled on two sections of steel pipe bulge loops, then location glass sleeve is moved in a pair connection tile, to connecting tile locking; Resinize inside the glass sleeve of described location;
3) two panels anticorrosion ring plate is pasted onto connection tile two ends, so far realizes steel and mould the firm connection of glass three-layer composite pipe.
The foregoing is only presently preferred embodiments of the present invention, be not used to limit the scope of the claims of the present invention, other use the equivalent of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (6)
1. the attachment structure of glass three-layer composite pipe moulded by steel, it is characterized in that, including connecting tile and location glass sleeve, the steel tube head that glass three-layer composite pipe connects between two moulded by described steel is steel pipe bulge loop, described connection tile is buckled on two steel pipe bulge loops, is enclosed with location glass sleeve outside described steel pipe bulge loop.
2. the attachment structure of glass three-layer composite pipe moulded by steel according to claim 1, it is characterized in that, plastic tube within described multiple tube connects formation plastic tube weld seam by melting welding, space is defined, for filling fiberglass resin ring in this space between described connection tile, steel pipe bulge loop, plastic tube weld seam.
3. the attachment structure of glass three-layer composite pipe moulded by steel according to claim 1, it is characterized in that, the connection tile side between glass fiber resin pipe and location glass sleeve outside described multiple tube is provided with anticorrosion ring plate makes glass fiber resin pipe and location glass sleeve shaped integral.
4. the attachment structure of glass three-layer composite pipe moulded by steel according to claim 2, it is characterized in that, described plastic tube material is high density polyethylene (HDPE) or the copolymer of polypropylene or linear low density polyethylene or ethylene and acrylic acid copolymer or ethylene and vinyl acetate.
5. the method for attachment of glass three-layer composite pipe moulded by steel, and its step is as follows:
1) first by clamping device, the two sections of multiple tubes needing docking are realized the correct of axis coincidence formula to contact, the plastic tube of multiple tube internal layer to grow the end face of steel pipe layer, namely the inner layer plastic tube of joint can be coupled by melting welding, is then wound around the height filling and leading up the steel pipe bulge loop to steel tube end part with resin pickup glass and forms filling fiberglass resin ring;
2) the connection tile of a pair steel is buckled on two sections of steel pipe bulge loops, then location glass sleeve is moved in a pair connection tile, to connecting tile locking; Resinize inside the glass sleeve of described location;
3) two panels anticorrosion ring plate is pasted onto connection tile two ends, so far realizes steel and mould the firm connection of glass three-layer composite pipe.
6. the method for attachment of glass three-layer composite pipe moulded by steel according to claim 5, it is characterized in that, described plastic tube material is high density polyethylene (HDPE) or the copolymer of polypropylene or linear low density polyethylene or ethylene and acrylic acid copolymer or ethylene and vinyl acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094565.1A CN102620090B (en) | 2012-04-01 | 2012-04-01 | Attachment structure of glass three-layer composite pipe and attaching method thereof moulded by steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094565.1A CN102620090B (en) | 2012-04-01 | 2012-04-01 | Attachment structure of glass three-layer composite pipe and attaching method thereof moulded by steel |
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| Publication Number | Publication Date |
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| CN102620090A CN102620090A (en) | 2012-08-01 |
| CN102620090B true CN102620090B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210094565.1A Expired - Fee Related CN102620090B (en) | 2012-04-01 | 2012-04-01 | Attachment structure of glass three-layer composite pipe and attaching method thereof moulded by steel |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470913B (en) * | 2013-07-05 | 2016-04-27 | 周立超 | The linkage structure of metglass Steel Lining rubber and plastic submerged pipeline and making connecting means |
| CN103322364B (en) * | 2013-07-15 | 2016-01-20 | 李晓明 | The connecting means of internal and external anti-corrosive steel-plastic composite pipe |
| CN104832706B (en) * | 2015-05-11 | 2017-04-12 | 杭州介通电缆保护管有限公司 | Ultra-large diameter steel-plastic composite pipe butt-joint method in site construction |
| CN105402542A (en) * | 2015-12-18 | 2016-03-16 | 浙江伟星新型建材股份有限公司 | Connecting structure and connecting method for reinforced composite pipes |
| CN109442126A (en) * | 2018-11-16 | 2019-03-08 | 中国石油天然气集团有限公司 | A kind of non-metal composite pipe jointing and manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216133A (en) * | 2007-01-03 | 2008-07-09 | 禹扬浩 | Detachable pipe joint |
| CN102062271A (en) * | 2010-06-13 | 2011-05-18 | 龚岳强 | Connection device of full-diameter compressed air conveying pipeline |
| CN202001747U (en) * | 2010-12-22 | 2011-10-05 | 卢志江 | Pipeline joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002333090A (en) * | 2001-03-09 | 2002-11-22 | Sekisui Chem Co Ltd | Connecting method of composite high-pressure pipe and reinforcement member |
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2012
- 2012-04-01 CN CN201210094565.1A patent/CN102620090B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216133A (en) * | 2007-01-03 | 2008-07-09 | 禹扬浩 | Detachable pipe joint |
| CN102062271A (en) * | 2010-06-13 | 2011-05-18 | 龚岳强 | Connection device of full-diameter compressed air conveying pipeline |
| CN202001747U (en) * | 2010-12-22 | 2011-10-05 | 卢志江 | Pipeline joint |
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| CN102620090A (en) | 2012-08-01 |
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Granted publication date: 20160601 Termination date: 20190401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |