CN204083536U - A kind of large-diameter steel-plastic composite pipe - Google Patents
A kind of large-diameter steel-plastic composite pipe Download PDFInfo
- Publication number
- CN204083536U CN204083536U CN201420395576.8U CN201420395576U CN204083536U CN 204083536 U CN204083536 U CN 204083536U CN 201420395576 U CN201420395576 U CN 201420395576U CN 204083536 U CN204083536 U CN 204083536U
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- silk screen
- steel pipe
- spiral welded
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- Expired - Lifetime
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- 239000004033 plastic Substances 0.000 title claims abstract description 34
- 229920003023 plastic Polymers 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 239000011152 fibreglass Substances 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000005485 electric heating Methods 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 14
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 7
- 229910052742 iron Inorganic materials 0.000 abstract description 7
- 239000003365 glass fiber Substances 0.000 abstract description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 235000012206 bottled water Nutrition 0.000 abstract description 2
- 239000003651 drinking water Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010327 methods by industry Methods 0.000 abstract description 2
- 239000008399 tap water Substances 0.000 abstract description 2
- 235000020679 tap water Nutrition 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 description 34
- 238000000034 method Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 230000002498 deadly effect Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
A kind of large-diameter steel-plastic composite pipe, belongs to rigid pipe technical field, and comprise body and the flange being arranged on body two ends, described body is layer centered by spiral welded steel pipe layer; The external peripheral surface of described spiral welded steel pipe layer is equipped with glass reinforced plastic winding layer and forms composite pipe skin; The inner circumferential surface of described spiral welded steel pipe layer is welded with silk screen layer, and compound arranges PE layer simultaneously; Described silk screen layer and PE layer coordinate the composite inner layer forming body; Described PE layer outer surface embeds fills silk screen layer gap and is connected with spiral welded steel pipe layer at silk screen layer gap location, and internal surface is smooth.This product adopts Chinese style rotatory molding process engineering and glass reinforced plastic winding technology, ingenious, reasonably glass fibre reinforced plastics, iron and steel, plastics separately advantages in one, effectively overcome the steel weakness that corrosion resistant, plastics are not withstand voltage.The maximum caliber of product can reach 5 ~ 6m, can be widely used in large hydraulic engineering, original tap water intake pipe, remote potable water water supply project, municipal drainage house steward etc.
Description
Technical field
The utility model belongs to tubing technical field, is particularly related to a kind of large-diameter steel-plastic composite pipe.
Background technique
Traditional iron and steel pipe and the advantage of cement pipe are compression resistances, and their deadly defect is not corrosion-resistant, are the products of resource, energy high flow rate; The outstanding advantages of emerging plastic tube is corrosion-resistant, but their deadly defect is not withstand voltage, and is subject to the restriction of technique, and bore is difficult to do greatly.
So-called deadly defect is the product performance shortcoming determined by material capability, can only improve, the shortcoming that can not all overcome with process means.Pressurized as long-term in plastic tube will produce creep, and this is the displacement that the long molecular chain structure pressurized of plastics produces; Long-term pressurized will cause crack, the seepage of weld, and this is the hidden danger that plastics cause by high temperature at welding molecular configurational.Be wound around with two-wall hollow, the means such as sheet metal enhancing, are connected with socket joint, to the raising of the compression capability of full-plastic tube and alleviate weld crack, permeate hidden danger, serve certain effect.But because plastic tube to be extruded by equipment made by plastics melting of absorbing heat, caliber is large, and materials are many, and heat absorption is slow, and by the restriction of equipment, technique, make applicable ultra-large-diameterpipeline pipeline neither the simple thing of part.
Iron and steel pipe and cement pipe, by pressure, this is their outstanding advantages, and this is their physical the subject of knowledge and the object of knowledge decision.But iron and steel, cement they and many chemical substances etch chemistries will occur and react, and working life is short, this is that their chemical property determines, this is their deadly defect.Their inwalls have done anti-corrosion measure now, and corrosion resistant situation makes moderate progress, but these anti-corrosion measure timeliness are not long yet.Moreover the raw material due to them are resource-types, energy consumption is large, is not developing direction, and national policy guiding progressively will be eliminated them.
Model utility content
The purpose of this utility model is to overcome the above-mentioned defect mentioned and deficiency, and provides a kind of large-diameter steel-plastic composite pipe.
The technological scheme that the utility model realizes the employing of its object is as follows.
A kind of large-diameter steel-plastic composite pipe, comprise body and the flange being arranged on body two ends, described body is layer centered by spiral welded steel pipe layer; The external peripheral surface of described spiral welded steel pipe layer is equipped with glass reinforced plastic winding layer and forms composite pipe skin; The inner circumferential surface of described spiral welded steel pipe layer is welded with silk screen layer, and compound arranges PE layer simultaneously; Described silk screen layer and PE layer coordinate the composite inner layer forming body; Described PE layer outer surface embeds fills silk screen layer gap and is connected with spiral welded steel pipe layer at silk screen layer gap location, and internal surface is smooth.
Described flange comprises spiral welded steel pipe face; The exterior edge face in described spiral welded steel pipe face is welded with silk screen face, and compound arranges PE face simultaneously; Described silk screen face and PE face coordinate the composite skins forming flange; Described PE face interior edge face embeds fills gap, silk screen face and is connected with spiral welded steel pipe face at silk screen face gap location.
Described spiral welded steel pipe layer is wholely set with spiral welded steel pipe face and mutually vertical; Described silk screen layer is wholely set with silk screen face and mutually vertical; Described PE layer is wholely set with PE face and mutually vertical.
A kind of large-diameter steel-plastic composite pipe, it also comprises electric heating seal wire; Described electric heating seal wire is embedded at the PE face of end flange; Described electric heating seal wire S-shaped and centered by flange axis annular array.
Described glass reinforced plastic winding layer is that 2-4mm is thick; Described spiral welded steel pipe layer is that 2-32mm is thick; Described silk screen layer is that 2-4mm is thick; Described PE layer is that 12-16mm is thick.
Described electric heating seal wire is provided with locating pin in bending part, inside and outside both sides; Wrap up electric heating seal wire in the middle part of described locating pin, and two ends embed PE face.
A kind of large-diameter steel-plastic composite pipe, adopts Chinese style rotatory molding process engineering and glass reinforced plastic winding technology, ingenious, reasonably glass fibre reinforced plastics, iron and steel, plastics separately advantages in one, effectively overcome the steel weakness that corrosion resistant, plastics are not withstand voltage.
This large-diameter steel-plastic composite pipe is not the same plastic tube of steel pipe socket, neither serve as a contrast at steel pipe inner wall application adhesive, is coated with one deck plastic layer, but the structural material that a kind of similar reinforced concrete is such, belong to new material.Its intensity reaches 130 ~ 135Mpa, the 114Mpa of Overpressure of a safety valve container working strength.Its mentality of designing is with steel pressure-bearing, makes reinforced modifier; To mould as matrix, not only corrosion resistant, but also iron and steel withstand voltage properties can be improved, can overcome steel pipe because of by external force or interior pressure, or the hidden danger such as cracking, explosion that the factor such as weather causes, even if it is flattened, outer layer pipe wall also can not ftracture, and inner plastic and box hat do not depart from.
This large-diameter steel-plastic composite pipe road, the cost of material is low for it, lower than the iron and steel pipe of identical bore; Produce " three wastes " zero-emission, green, environmental protection, power consumption is few, is energy-saving and environmental protection, efficient, resource-effective new product; More than 100 years working life of product specification; The maximum caliber of product can reach 5 ~ 6m, can be widely used in large hydraulic engineering, original tap water intake pipe, remote potable water water supply project, municipal drainage house steward etc.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional structure schematic diagram of body;
Fig. 3 is the end view drawing of a side flange of the present utility model;
In figure: 100-body, 101-glass reinforced plastic winding layer, 102-spiral welded steel pipe layer, 103-silk screen layer, 104-PE layer, 200-flange, 201-spiral welded steel pipe face, 202-silk screen face, 203-PE face, 204-electric heating seal wire.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of large-diameter steel-plastic composite pipe, comprises body 100 and the flange 200 being arranged on body 100 two ends.
Described body 100 layer centered by spiral welded steel pipe layer 102.It is shaping that described spiral welded steel pipe layer 102 adopts spiral welded technique to make by steel band.
The external peripheral surface of described spiral welded steel pipe layer 102 is equipped with glass reinforced plastic winding layer 101 and forms composite pipe skin.Described glass reinforced plastic winding layer 101 adopts glass fibre to add the alkyd resin system of twining and forms, tube surfaces flat smooth.The inner circumferential surface of described spiral welded steel pipe layer 102 is welded with silk screen layer 103, and compound arranges PE layer 104 simultaneously; Described silk screen layer 103 and PE layer 104 coordinate the composite inner layer forming body 100.Described PE layer 104 adopts polyvinyl plastics to be raw material, is made under hot melt state by rotatory molding technique.Described PE layer 104 outer surface embeds fills silk screen layer 103 gap and is connected with spiral welded steel pipe layer 102 at silk screen layer 103 gap location, and internal surface is smooth.Such structure, makes PE layer 104 all have good cohesive force with silk screen layer 103 and spiral welded steel pipe layer 102.
Described flange 200 comprises spiral welded steel pipe face 201; The exterior edge face in described spiral welded steel pipe face 201 is welded with silk screen face 202, and compound arranges PE face 203 simultaneously; Described silk screen face 202 and PE face 203 coordinate the composite skins forming flange 200; Described PE face 203 interior edge face embeds fills gap, silk screen face 202 and is connected with spiral welded steel pipe face 201 at silk screen face 202 gap location, makes PE face 203 all have good cohesive force with silk screen face 202 and spiral welded steel pipe face 201.
Described spiral welded steel pipe layer 102 is wholely set with spiral welded steel pipe face 201 and mutually vertical; Described silk screen layer 103 is wholely set with silk screen face 202 and mutually vertical; Described PE layer 104 is wholely set with PE face 203 and mutually vertical.
A kind of large-diameter steel-plastic composite pipe, also comprises electric heating seal wire 204; Described electric heating seal wire 204 is embedded at the PE face 203 of end flange 200; Described electric heating seal wire 204 S-shaped and centered by flange 200 axis annular array.
When pipeline connects, first mutually docked by the flange 200 of two pipelines, one of them flange 200 is provided with electric heating seal wire 204, energising after fixing, electric heating seal wire 204 heating makes the PE face 203 of two flanges 200 mutually combine together, and ensure that the sealing that pipeline connects, accomplishes pipeline ne-leakage.
As preferably, described glass reinforced plastic winding layer 101 is that 2-4mm is thick; Described spiral welded steel pipe layer 102 is that 2-32mm is thick; Described silk screen layer 103 is that 2-4mm is thick; Described PE layer 104 is that 12-16mm is thick.
Described electric heating seal wire 204 is provided with locating pin 205 in bending part, inside and outside both sides; Wrap up electric heating seal wire 204 in the middle part of described locating pin 205, and two ends embed PE face 203, prevent electric heating seal wire 204 in the process of transport, depart from PE face 203.
This product has the following advantages:
1. hydraulics is good.Inner-walls of duct smooth surface, friction factor is little.Pipeline roughness coefficient n-0.009, during by Flow Computation by Gradient Area Law, under equal caliber condition, than steel concrete pipeline inflow-rate of water turbine large 30%.
2. intensity is high, long service life.This composite pipe is by three kinds of Material claddings, and based on spiral welded steel pipe layer 102, it is anticorrosion that outer wall is that glass reinforced plastic winding layer 101 strengthens, and inwall is by PE layer 104 abrasion-proof corrosion-proof, and intensity is high, reaches more than 80 years working life.
3. wear-resistant.This composite pipe proves through mortar wear test, and inner-walls of duct is set off by polyvinyl plastics, and the life-span of pipeline is more than 4 times of steel pipeline.
4. chemical resistance is good.This composite pipe outer wall glass fibre reinforced plastics, inwall polyethylene, can the corrosion of the medium such as effective antiacid alkali and undressed industrial wastewater, domestic sewage erosion.
5. Engineering Overall cost is low.This composite pipe cost lower than reinforced concrete pipiline, lightweight easy transportation and installation.Silk screen layer 103 cuts drawing by whole sheet metal and forms, and technique is simple, with low cost.
6. combine more firm between each layer.Glass reinforced plastic winding layer 101 is wound in spiral welded steel pipe layer 102.Silk screen layer 103 is welded in spiral welded steel pipe layer 102.Silk screen layer 103 forms gap between each wire.PE layer 104 embed silk screen layer 103 wire and with spiral welded steel pipe layer 102 company of subsides mutually, effectively can prevent the axial dipole field of PE layer 104.So connect closely between each layer.
7. pipeline Placement is simple, and join strength is high.This product have employed the Placement of hot melt, ensures joint ne-leakage, and owing to have employed PE, makes connection part have certain flexibility, can adapt to the position skew in the reasonable yardstick of pipeline.
The utility model is illustrated according to embodiment, and under the prerequisite not departing from present principles, this device can also make some distortion and improvement.It should be pointed out that and all drop on the technological scheme that all employings are equal to replacement or the mode such as equivalent transformation and obtain in protection domain of the present utility model.
Claims (6)
1. a large-diameter steel-plastic composite pipe, comprise body (100) and be arranged on the flange (200) at body (100) two ends, it is characterized in that, described body (100) is layer centered by spiral welded steel pipe layer (102); The external peripheral surface of described spiral welded steel pipe layer (102) is equipped with glass reinforced plastic winding layer (101) and forms composite pipe skin; The inner circumferential surface of described spiral welded steel pipe layer (102) is welded with silk screen layer (103), and compound arranges PE layer (104) simultaneously; Described silk screen layer (103) and PE layer (104) coordinate the composite inner layer forming body (100); Described PE layer (104) outer surface embeds fills silk screen layer (103) gap and is connected with spiral welded steel pipe layer (102) at silk screen layer (103) gap location, and internal surface is smooth.
2. a kind of large-diameter steel-plastic composite pipe as claimed in claim 1, is characterized in that, described flange (200) comprises spiral welded steel pipe face (201); The exterior edge face of described spiral welded steel pipe face (201) is welded with silk screen face (202), and compound arranges PE face (203) simultaneously; Described silk screen face (202) and PE face (203) coordinate the composite skins forming flange (200); Described PE face (203) interior edge face embeds fills (202) gap, silk screen face and is connected with spiral welded steel pipe face (201) at silk screen face (202) gap location.
3. a kind of large-diameter steel-plastic composite pipe as claimed in claim 1, is characterized in that, described spiral welded steel pipe layer (102) is wholely set with spiral welded steel pipe face (201) and mutually vertical; Described silk screen layer (103) is wholely set with silk screen face (202) and mutually vertical; Described PE layer (104) is wholely set with PE face (203) and mutually vertical.
4. a kind of large-diameter steel-plastic composite pipe as claimed in claim 1, is characterized in that, it also comprises electric heating seal wire (204); Described electric heating seal wire (204) is embedded at the PE face (203) of end flange (200); Described electric heating seal wire (204) S-shaped and centered by flange (200) axis annular array.
5. a kind of large-diameter steel-plastic composite pipe as claimed in claim 1, is characterized in that, described glass reinforced plastic winding layer (101) for 2-4mm thick; Described spiral welded steel pipe layer (102) for 2-32mm thick; Described silk screen layer (103) for 2-4mm thick; Described PE layer (104) for 12-16mm thick.
6. a kind of large-diameter steel-plastic composite pipe as claimed in claim 4, is characterized in that, described electric heating seal wire (204) is provided with locating pin (205) in bending part, inside and outside both sides; Described locating pin (205) middle part parcel electric heating seal wire (204), and two ends embed PE face (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395576.8U CN204083536U (en) | 2014-07-17 | 2014-07-17 | A kind of large-diameter steel-plastic composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395576.8U CN204083536U (en) | 2014-07-17 | 2014-07-17 | A kind of large-diameter steel-plastic composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083536U true CN204083536U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395576.8U Expired - Lifetime CN204083536U (en) | 2014-07-17 | 2014-07-17 | A kind of large-diameter steel-plastic composite pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN204083536U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350537A (en) * | 2015-10-30 | 2016-02-24 | 福建港浚工程有限公司 | Technology for constructing tubular pile based on glass fiber metal polyethylene tri-composite tubes and special hole former of technology |
| CN105371006A (en) * | 2015-11-27 | 2016-03-02 | 中国海洋石油总公司 | Novel pipe section for seawater lifting of offshore oil platform and manufacturing method of novel pipe section |
| CN106609665A (en) * | 2015-10-27 | 2017-05-03 | 北京环鼎科技有限责任公司 | Slim hole array-sensing glass reinforced plastic shell |
| CN106678455A (en) * | 2016-12-20 | 2017-05-17 | 杭州介通电缆保护管有限公司 | Full internal plastic composite steel tube and flange combination piece and molding process thereof |
-
2014
- 2014-07-17 CN CN201420395576.8U patent/CN204083536U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106609665A (en) * | 2015-10-27 | 2017-05-03 | 北京环鼎科技有限责任公司 | Slim hole array-sensing glass reinforced plastic shell |
| CN106609665B (en) * | 2015-10-27 | 2023-09-29 | 北京环鼎科技有限责任公司 | Slim hole array induction glass fiber reinforced plastic shell |
| CN105350537A (en) * | 2015-10-30 | 2016-02-24 | 福建港浚工程有限公司 | Technology for constructing tubular pile based on glass fiber metal polyethylene tri-composite tubes and special hole former of technology |
| CN105371006A (en) * | 2015-11-27 | 2016-03-02 | 中国海洋石油总公司 | Novel pipe section for seawater lifting of offshore oil platform and manufacturing method of novel pipe section |
| CN105371006B (en) * | 2015-11-27 | 2017-09-22 | 中海油能源发展股份有限公司 | A kind of manufacture method for the new pipeline section of offshore platform seawater lift |
| CN106678455A (en) * | 2016-12-20 | 2017-05-17 | 杭州介通电缆保护管有限公司 | Full internal plastic composite steel tube and flange combination piece and molding process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |
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| CX01 | Expiry of patent term |