CN100520139C - Heavy caliber high-strength plastic wound pipe having pipe wall made of wrapping material and manufacture method therefor - Google Patents

Heavy caliber high-strength plastic wound pipe having pipe wall made of wrapping material and manufacture method therefor Download PDF

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Publication number
CN100520139C
CN100520139C CNB2007100135225A CN200710013522A CN100520139C CN 100520139 C CN100520139 C CN 100520139C CN B2007100135225 A CNB2007100135225 A CN B2007100135225A CN 200710013522 A CN200710013522 A CN 200710013522A CN 100520139 C CN100520139 C CN 100520139C
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plastic
winding
wall
tubing
fiber
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CN101016964A (en
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李寿山
李研
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Zibo Shoushan Special Plastic Co Ltd
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Individual
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Abstract

The invention relates to a method for producing big high strength plastic coil tube which uses coil material to form tube wall, wherein the coil material is a composite plastic section bar formed by an inner core and an outer layer, which is alternatively or irregularly arranged, and nearby side walls are fused to connected or adhered by fused material, to be screwed to form tube wall. The coil material is drawn to direct the molecule longitudinally. The outer layer is thermal plastic, while the inner corn is strength material and/or flameproof material and/or static resistance composed in plastic base material. The fusing connecting material is plastic polymer or added with strength material and/or flameproof material and/or static resistance, to form plastic fused material. The strength material is distributed in the coil material and/or fusing connecting material, directionally distributed along the screw of high-strength coil tube. The invention has high strength, flameproof property and static resistance.

Description

Constitute the heavy caliber high-strength plastic entwining tube and the method for making of tubing wall by winding material
Technical field
The invention belongs to field of engineering components, be specifically related to a kind of heavy caliber high-strength plastic wrapped tube.Its diameter can reach 300～6000mm, be applicable to give, aspect such as drainage pipe uses.
Background technique
A series of superior functions such as plastic tube is little because of in light weight, corrosion resistant, flow resistance, easy construction, long service life just progressively substitute traditional piping materials such as cast iron tube, cement pipe, stoneware pipe, obtain increasingly extensive application in the water supply and sewage field.
In the prior art, plastic tube extrusion process molecules align is along the tubing axial orientation, make tubing longitudinal tensile strength height, circumference stress intensity low, and tubing is under interior pressure effect, suffered ring stress ratio tensile stress is big, makes that the intensity of material is not fully played aspect withstand voltage properties.
In addition, because the intensity of plastic materials itself is limit, plastic tube still can't be met the demands in high pressure confession, draining field, the use field is subjected to certain limitation.Also owing to produce the solid wall pipe material with traditional manufacturing mechanism, the equipment input is bigger, and technical being difficult to realizes that up to the present diameter yet there are no report greater than the production of the real wall plastic tube of heavy caliber of 2000mm.
Summary of the invention
The application's goal of the invention is to apply reinforcing material in plastic basis material, makes reinforcing material height-oriented along tubing hoop direction, and the ring stress and the ring stiffness of finished product tubing are increased substantially, to improve the intensity of plastic materials itself; Improve by processing mode and manufacturing mechanism in addition, produce heavy caliber solid wall pipe material.
The present invention implements by following technical solution:
Develop and a kind ofly constitute the heavy caliber high-strength plastic wrapped tube of tubing wall, it is characterized in that by winding material:
(1) described winding material sectional shape is rule or irregular square, rectangle, parallelogram, rhombus, trapezoidal, triangle, ellipse or circular;
(2) described winding material is regularly arranged, mirror image is arranged or alternate dislocation is arranged, and spiral twines and constitutes the tubing wall;
(3) described tubing wall:
A. by fusion mutual connection between one deck winding material adjacent wall, regularly arranged compound formation one;
B. or by fusion mutual connection between the above winding material adjacent peripheral of one deck, mirror image is arranged or compound formation one is arranged in alternate dislocation;
C. or melting adhered, regularly arranged compound formation one by applying melted material between one deck winding material adjacent wall;
D. or melting adhered, mirror image is arranged or compound formation one is arranged in alternate dislocation by applying melted material between the above winding material adjacent peripheral of one deck;
(4) described winding material:
A. be by inner core and the outer composite plastic section bar that constitutes, its skin is thermoplastic or is applied with reinforcing material and/or the thermoplastic of flame retardant material and/or anti-static material that its inner core is to be applied with the interpolation material in thermoplastic plastic substrates---reinforcing material and/or flame retardant material;
B. or be applied with the solid thermoplastic plastic material of reinforcing material and/or flame retardant material and/or anti-static material;
(5) described melted material is the fluoropolymer resin that is added with reinforcing material and/or flame retardant material and/or anti-static material, forms the co-extrusion thing of plastifying fusion;
(6) distribution of described reinforcing material in winding material and/or melted material is the Hand of spiral distribution of orientations along high strength wrapped tube axis;
(7) described reinforcing material is organic fiber and/or inorfil and/or natural fibre and/or steel fiber.
Above-mentioned constitute the heavy caliber high-strength plastic wrapped tube of tubing wall, it is characterized in that reinforcing material is glass fibre, aluminum silicate fiber, carbon/graphite fiber, aramid fibre, boron fiber, ceramic fiber, thermoplasticity polyester fiber, polyamide fiber, polypropylene fiber of superhigh molecular weight, polyphenylene benzene and two oxazole fibers, sisal fiber or Stainless Steel Fibre by winding material.
Above-mentioned constitute the heavy caliber high-strength plastic wrapped tube of tubing wall, it is characterized in that described flame retardant material is the combination of deca-BDE, antimonous oxide or the combination of deca-BDE, antimonous oxide and zinc borate by winding material.
Above-mentioned constitute the heavy caliber high-strength plastic wrapped tube of tubing wall, it is characterized in that anti-static material is a conductive carbon black by winding material.
The present invention provides above-mentioned simultaneously and has constituted the method for making of the heavy caliber high-strength plastic wrapped tube of tubing wall by winding material, it is characterized in that:
(1) described winding material:
A. be during by inner core and the outer composite plastic section bar that constitutes, plastic basis material with each weight batching ratio that adds material is:
The weight proportion of winding material inner core is:
Plastic basis material: reinforcing material: flame retardant material=1: 0.03～0.8: 0～0.2;
The outer field weight proportion of winding material is:
Plastic basis material: reinforcing material: flame retardant material: anti-static material=1: 0.03～0.8: 0～0.2: 0～0.5;
When b. being solid plastic material, plastic basis material with each weight batching ratio that adds material is:
Plastic basis material: reinforcing material: flame retardant material: anti-static material=1: 0.03～0.8: 0～0.2: 0～0.5;
(2) in the described melted material, plastic basis material with each weight batching ratio that adds material is:
Plastic basis material: reinforcing material: flame retardant material: anti-static material=1: 0.03～0.8: 0～0.2: 0～0.5;
(3) described plastic basis material mixes with adding material, is extruded continuously by extruder and is applied with the solid plastic section bar that adds material; Or, coat skin in the solid plastic section bar outside that is applied with reinforcing material with two-layer co-extrusion or composite methods, and forming inner core is the plastics that contain reinforcing material, skin is thermoplastic or is applied with flame retardant material and/or anti-static material; Or inner core is applied with reinforcing material and/or flame retardant material, and skin is the plastics that are applied with flame retardant material and/or anti-static material; Inner core is the winding material of parcel or clad type structure with skin;
(4) by Stetch Wrapping Machine with the winding of exerting pressure of the winding material of melt surface, make section bar adjacent wall fusion mutual connection; Or the melted material of fusion put between winding material adjacent wall or adjacent peripheral in the winding, exerting pressure makes it the melting adhered compound-body of being;
(5) by the rotating rolling press device Wrapping formed tubing wall is carried out roll extrusion, make the regular slyness of tubing wall.
Above-mentioned constitute the method for making of the heavy caliber high-strength plastic wrapped tube of tubing wall, it is characterized in that by winding material:
(1) by extruder extrusion plastic section bar, by Stetch Wrapping Machine the plastic material of melt surface is laminated winding, or melted material is put between the plastic material adjacent peripheral of melt surface when laminating winding, form the tubing of multi-lay winding material structure, or the tubing of multi-lay winding material and melted material welding structure; By the rotating rolling press device Wrapping formed tubing wall is carried out roll extrusion again, make the tubing wall regular, slick and sly, closely knit;
(2) extrude many plastic materials simultaneously continuously by an extruder, closely twine by the plastic material of Stetch Wrapping Machine melt surface, or melted material is put between the plastic material adjacent peripheral of melt surface when closely twining, form the tubing of multi-lay winding material structure or the tubing of multi-lay winding material and melted material structure; By the rotating rolling press device Wrapping formed tubing wall is carried out roll extrusion again, make the tubing wall regular, slick and sly, closely knit;
(3) extrude two above plastic materials simultaneously continuously by two above extruders, closely twine by the plastic material of Stetch Wrapping Machine melt surface, or the plastic material that melted material is put on when closely twining melt surface interconnects the place, produces the tubing of multi-lay winding material structure or the tubing of multi-lay winding material and melted material welding structure; By the rotating rolling press device Wrapping formed tubing wall is carried out roll extrusion again, make the tubing wall regular, slick and sly, closely knit;
(4) extrude a plastic material continuously by an extruder, by the Stetch Wrapping Machine of move left and right the plastic material of melt surface being carried out at least twice intersection twines, or when twining, melted material is put between the plastic material adjacent peripheral of melt surface, form the tubing of multi-lay winding material structure, or the tubing of multi-lay winding material and melted material welding structure; By the rotating rolling press device Wrapping formed tubing wall is carried out roll extrusion again, make the tubing wall regular, slick and sly, closely knit.
Above-mentioned constitute the method for making of the heavy caliber high-strength plastic wrapped tube of tubing wall, it is characterized in that can making by the following method reinforcing material along the longitudinal direction orientation of extruding winding section by winding material:
(1) plastic material stretches by traction stretching or multistage traction and makes the machine-direction oriented distribution of reinforcing material along plastic material;
(2) at the outlet end of die head or the front end of shaping area, mesh or carding element are set; Mesh or carding element are set to steel wire or Mild Steel Expanded Sheets or pecten, automatically by combing, ordering arrangement, make the machine-direction oriented distribution of reinforcing material along section bar when the polymer that is compounded with reinforcing material passes through high density hole order;
(3) the extruding of plastic extruder head/hauling speed is set to 3～3000mm/s; By higher head extruded velocity, make the machine-direction oriented distribution of reinforcing material along section bar;
(4) the die head compression ratio is set to 1～100; Strengthen the die head compression ratio, can strengthen reinforcing fiber and unfold arrangement, make the machine-direction oriented distribution of reinforcing material along section bar along extruding direction.
Compared with the prior art, advantage of the present invention is:
1. in section bar, be compounded with reinforcing material, have tensile strength and the Young's modulus higher than common plastics.
2. by the change of processing mode, make reinforcing material height-oriented, tubing ring stress and ring stiffness are increased substantially along the tubing hoop.
3. increased fire-retardant and conductive material, had good fire-retardantly and lead electrostatic capacity, can be applicable to safely that mine, coal dust and chemical plant etc. contain the dust height, are easy to explosion caused occasion.
4. this mode of production need not to increase very big equipment investment, just can produce ultra-large caliber pipe material with little equipment, significantly reduces equipment investment.
Description of drawings
Fig. 1 is the form and the partial schematic sectional view of tubing of the present invention;
Fig. 2 is the another kind of form and the partial schematic sectional view of tubing of the present invention;
Fig. 3 is that the composite plastic section bar amplifies cross-sectional schematic;
Fig. 4 is that another kind of plastic material amplifies cross-sectional schematic;
Fig. 5 is the local structure for amplifying schematic representation of a kind of tubing wall construction;
Fig. 6 is the local structure for amplifying schematic representation of another kind of tubing wall construction;
Fig. 7 is the local structure for amplifying schematic representation of another tubing wall construction;
Fig. 8 is the local structure for amplifying schematic representation of another tubing wall construction;
Fig. 9 is the local structure for amplifying schematic representation of another kind of tubing wall construction;
Figure 10 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 11 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 12 is the local structure for amplifying schematic representation of another kind of tubing wall construction;
Figure 13 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 14 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 15 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 16 is the local structure for amplifying schematic representation of another kind of tubing wall construction;
Figure 17 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 18 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 19 is the local structure for amplifying schematic representation of another kind of tubing wall construction;
Figure 20 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 21 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 22 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 23 is the local structure for amplifying schematic representation of another kind of tubing wall construction;
Figure 24 is the local structure for amplifying schematic representation of another tubing wall construction;
Figure 25～28th, behind the demonstration winding material drawn, the cross section of section bar becomes irregular form schematic representation;
Figure 29 is a process flow diagram of the present invention.
Embodiment
The present invention is further elaborated below in conjunction with drawings and Examples:
Referring to Fig. 1, be shown as a kind of heavy caliber high-strength plastic wrapped tube among the figure, winding material is divided into inner core 3 and outer 4; Wherein, 1 is the outer surface of heavy caliber high-strength plastic wrapped tube; 2 is the internal surface of heavy caliber high-strength plastic wrapped tube; A is the part section structure for amplifying schematic representation of this kind heavy caliber high-strength plastic wrapped tube, shows that winding material is divided into inner core 3 and outer 4.
Referring to Fig. 2, be shown as another kind of heavy caliber high-strength plastic wrapped tube among the figure, winding material 5 is regardless of inner core, skin for solid construction; Wherein, 1 is the outer surface of heavy caliber high-strength plastic wrapped tube; 2 is the internal surface of heavy caliber high-strength plastic wrapped tube; B is the part section structure for amplifying schematic representation of this heavy caliber high-strength plastic wrapped tube; Show that winding material 5 is regardless of inner core, skin for solid construction.
Referring to Fig. 3, showing the winding material of composite plastic section bar among the figure---the structure for amplifying signal in outer 4, is compounded with reinforcing material 6, flame retardant material 7, anti-static material 8; In inner core 3, be compounded with reinforcing material 6 and flame retardant material 7.
Referring to Fig. 4, showing the winding material 5 of solid construction among the figure---the signal of plastic material structure for amplifying is compounded with reinforcing material 6, flame retardant material 7, anti-static material 8 in section bar.
Referring to Fig. 5～24, show various structural pipe wall signal of the present utility model:
Among Fig. 5,6, show a kind of structure of tubing wall, the tubing wall by one deck winding material at adjacent wall 9 places fusion mutual connection, regularly arranged compound formation one, 6 is reinforcing material compound in the winding section.The plastic material of Fig. 5 is divided into inner core and skin; The plastic material of Fig. 6 is the integral type solid construction, is regardless of inner core and skin.
Among Fig. 7,8, show the structure of another kind of tubing wall, 10 of adjacent peripheral, it is melting adhered to apply melted material 11 by one deck winding material for the tubing wall, regularly arranged compound formation one, and 6 is reinforcing material compound in winding section, the melted material.The plastic material of Fig. 7 is divided into inner core and skin; The plastic material of Fig. 8 is the integral type solid construction, is regardless of inner core and skin.
Among Fig. 9,10, show the structure of another tubing wall, the tubing wall by the above winding material of one deck at adjacent wall 9 places fusion mutual connection, regularly arranged compound formation one, 6 is reinforcing material compound in the winding section.The plastic material of Fig. 9 is divided into inner core and skin; The plastic material of Figure 10 is the integral type solid construction, is regardless of inner core and skin.
Among Figure 11,12, show the structure of another tubing wall, 10 of adjacent peripheral, it is melting adhered to apply melted material 11 by the above winding material of one deck for the tubing wall, regularly arranged compound formation one, and 6 is reinforcing material compound in winding section, the melted material.The plastic material of Figure 11 is divided into inner core and skin; The plastic material of Figure 12 is the integral type solid construction, is regardless of inner core and skin.
Among Figure 13,14, show the structure of another kind of tubing wall, the tubing wall by one deck winding material of another kind of form at adjacent wall 9 places fusion mutual connection, regularly arranged compound formation one, 6 is reinforcing material compound in the winding section.The plastic material of Figure 13 is divided into inner core and skin; The plastic material of Figure 14 is the integral type solid construction, is regardless of inner core and skin.
Among Figure 15,16, the structure that shows another tubing wall, the tubing wall is by 10 of one deck winding material adjacent peripheral of another form, and it is melting adhered to apply melted material 11, regularly arranged compound formation one, 6 is reinforcing material compound in winding section, the melted material.The plastic material of Figure 15 is divided into inner core and skin; The plastic material of Figure 16 is the integral type solid construction, is regardless of inner core and skin.
Among Figure 17,18, show the structure of another tubing wall, the tubing wall is by the above winding material adjacent wall 9 places fusion of one deck mutual connection, and mirror image is arranged compound formation one, and 6 is reinforcing material compound in the winding section.The plastic material of Fig. 9 is divided into inner core and skin; The plastic material of Figure 10 is the integral type solid construction, is regardless of inner core and skin.
Among Figure 19,20, show the structure of another kind of tubing wall, the tubing wall is by 10 of the above winding material adjacent peripheral of one deck, and it is melting adhered to apply melted material 11, and mirror image is arranged compound formation one, and 6 is reinforcing material compound in winding section, the melted material.The plastic material of Figure 19 is divided into inner core and skin; The plastic material of Figure 20 is the integral type solid construction, is regardless of inner core and skin.
Among Figure 21,22, show the structure of another tubing wall, the tubing wall is by the above winding material adjacent wall 9 places fusion of one deck mutual connection, and compound formation one is arranged in alternate dislocation, and 6 is reinforcing material compound in the winding section.The plastic material of Figure 21 is divided into inner core and skin; The plastic material of Figure 22 is the integral type solid construction, is regardless of inner core and skin.
Among Figure 23,24, show the structure of another tubing wall, the tubing wall is by 10 of the above winding material adjacent peripheral of one deck, and it is melting adhered to apply melted material 11, and compound formation one is arranged in alternate dislocation, and 6 is reinforcing material compound in winding section, the melted material.The plastic material of Figure 23 is divided into inner core and skin; The plastic material of Figure 24 is the integral type solid construction, is regardless of inner core and skin.
Referring to Figure 25～28, behind the demonstration winding material drawn, the cross section of section bar becomes irregular form schematic representation:
Figure 25, the 26th after winding material 5 tensile bucklings, vertically is the ellipse of major axis; 11 is melted material; 5 is winding material;
Figure 27, the 28th after winding material 5 tensile bucklings, laterally is the ellipse of major axis; 11 is melted material; 5 is winding material;
Referring to Figure 29, among the figure, feed in raw material to special-purpose main extruder 12 by feed bin 13,14 is two layers of co-extrusion extruder; Extrude the plastic material inner core that mixes the winding material applied reinforcing material from co-extruding machine head/mould 15, again by two layers of co-extrusion extruder 14 of synchronous setting at section bar inner core outside co-extrusion one deck skin, but section bar surface adhesive property is significantly improved; Section bar is extruded from co-extruding machine head/mould 15, take off roll 16-1,16-2,16-3 traction through configuration in pairs move ahead, be under heating (insulation) state and be stretched/multistage stretching at heating (insulation) case 17-1,17-2, make reinforcing material vertically height-oriented along section bar; By cooler bin 18, upper saw pulley 19, Wrapping formed machine 20 is helically-wound shaped, carries out the hot blast heating by 22 pairs of section bar surfaces of heat gun before section bar is bonding, improves surface temperature, makes section bar sides adjacent butt-fusion good; Wrapping formed tubing makes the regular slyness of tubing wall by pressure roller 23 roll extrusion of rotation.
If the use adhesive material is then extruded by adhesive material extruder 21 and is the molten adhesive material of moulding state, add between the adjacent wall of the adjacent wall place of section bar or section bar, helically-wound shaped through Wrapping formed machine 20 again.
Embodiment 1
Weight proportion:
Plastic basis material: reinforcing material: flame retardant material: anti-static material=1: 0.4: 0.1: 0.2;
Consumption: plastic basis material PE100 100kg;
Reinforcing material glass fibre 40kg;
Flame retardant material deca-BDE 6kg;
Antimonous oxide 4kg;
Anti-static material conductive carbon black 20kg; Raw material is commercially available industrial goods.
Use said ratio, making diameter is the entwining tube of 2000mm.
Method for making: additive and plastic basis material mix, and are extruded the solid plastic section bar that is applied with reinforcing material continuously by plastic extruder; Simultaneously the section bar temperature is remained on and draw stretching 50～170 ℃ of states under, make reinforcing material vertically height-oriented along section bar, produce high-intensity plastic material.
It can have two kinds of method for makings, a kind ofly is: with the method for two-layer co-extrusion, coat outerly in the solid plastic section bar outside that is being applied with reinforcing material and flame retardant material, skin is the plastics that are compounded with flame retardant material and anti-static material; Inner core is the winding material (as shown in Figure 3) of bundling type structure with skin; Twine by the winding material of Stetch Wrapping Machine melt surface, in winding process, fusion mutual connection between the winding material adjacent wall, compound formation one; Or it is melting adhered to apply sintered material between the winding material adjacent wall, compound formation one; Winding material is regularly arranged, mirror image is arranged or alternate dislocation is arranged, and overlays to be bonded as one, and spiral twines the tubing wall that constitutes structure-wall pipe material; At last, Wrapping formed tubing wall is carried out roll extrusion, make the regular slyness of tubing wall (cross section after section bar is made as shown in Figure 1) by the rotating rolling press device.
The winding material cross section is rule or irregular square, rectangle, parallelogram, rhombus, trapezoidal, triangle, circle or oval in shape; Perhaps with above-mentioned shape approximation.
Another kind is: directly extrudes solid section bar (as shown in Figure 4) by extruder and twines by the winding material of Stetch Wrapping Machine with melt surface, and in winding process, fusion mutual connection between the winding material adjacent wall, compound formation one; Or it is melting adhered to apply melted material between the winding material adjacent wall, compound formation one; Winding material is regularly arranged, mirror image is arranged or alternate dislocation is arranged, and overlays to be bonded as one, and spiral twines the tubing wall that constitutes structure-wall pipe material; At last, Wrapping formed tubing wall is carried out roll extrusion, make the regular slyness of tubing wall (cross section after section bar is made as shown in Figure 2) by the rotating rolling press device.
In this example, the die head compression ratio is set to: 70～100; The extruded velocity of plastic extruder head is set to: 1000～1500mm/s; Die head exit place at mould is provided with mesh or carding element.
After testing, pipe performance of the present invention can satisfy: outward appearance: the inside and outside any surface finish of heavy caliber high-strength plastic wrapped tube; The section of tubing after cutting is smooth, no burr;
Nominal ring stiffness: 〉=12.5～18/kN/m 2(mould by GB/T 9647-2003 thermoplasticity
The test method of material tubing ring stiffness)
Negative pressure :≤0.09～0.098Mpa keeps 100h, and nothing is subsided
Flexing; ): (by the industry standard check)
Resistance≤1 * 10 6Ω (arithmetic mean value on inside and outside surface):
(regulation by the MT181-88 standard is carried out)
The flaming combustion time (alcohol blast burner burning) is single≤10s;
6 arithmetic mean value≤3s;
The flameless combustion time (alcohol blast burner burning) is single≤60s;
6 arithmetic mean value≤20s;
(regulation by the MT181-88 standard is carried out)
Use said ratio, the making diameter is 2000mm; Standard dimention ratio (SDR) is 34.3 entwining tube, and its working pressure is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice
Pure PE80 34.3 58.3 0.48 335.90
Pure PE100 34.3 58.3 0.60 341.23
The present invention 34.3 58.3 3.0 398.10
Use said ratio, the making diameter is 2000mm; Working pressure (MOP) is the entwining tube of 3.0MPa, and its standard dimention ratio (SDR) is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice Negotiable sectional area m 2
Pure PE80 6.33 315.79 3.0 1578.18 1.47
Pure PE100 7.67 260.87 3.0 1367.59 1.72
The present invention 34.3 58.3 3.0 398.1 2.79
Pipeline of the present invention, its standard dimention ratio are 4.5 times (the negotiable cross section of pipeline that is φ 2000 are 1.6 times of pure PE100) of pure PE100; Its wall thickness only is 22.22% of PE100E; Its Mi Chong only is 29% of UHMW-PE.
Embodiment 2
Weight proportion:
Plastic basis material: reinforcing material=1: 0.8;
Consumption: plastic basis material PE100 100kg;
Reinforcing material glass fibre 80kg;
The die head compression ratio is set to: 70～100; The extruding of plastic extruder head/hauling speed is set to: 1000～2000mm/s;
Use said ratio, the making diameter is 2000mm; Standard dimention ratio (SDR) is 26.0 entwining tube, and its working pressure is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice
Pure PE80 26.0 77.0 0.64 439.37
Pure PE100 26.0 77.0 0.80 446.35
The present invention 26.0 77.0 3.5 520.73
Use said ratio, the making diameter is 2000mm; Working pressure (MOP) is the entwining tube of 3.0MPa, and its standard dimention ratio (SDR) is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice Negotiable sectional area m 2
Pure PE80 5.5 362.69 3.5 1790.06 1.28
Pure PE100 6.7 297.87 3.5 1560.18 1.55
The present invention 26.0 77.0 3.5 520.73 2.68
All the other are with embodiment 1.
Embodiment 3
Plastic basis material: reinforcing material: anti-static agent=1: 0.6: 0.2;
Consumption: plastic basis material PE100 100kg;
Reinforcing material glass fibre 60kg;
Anti-static material conductive carbon black 20kg; Raw material is commercially available industrial goods.
The die head compression ratio is set to: 2～50; The extruding of plastic extruder head/hauling speed is set to: 600～1500mm/s;
Use said ratio, the making diameter is 3000mm; Standard dimention ratio (SDR) is 26.0 entwining tube, and its working pressure is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice
Pure PE80 26.0 115.4 0.64 1003.46
Pure PE100 26.0 115.4 0.80 1024.36
The present invention 26.0 115.4 3.0 1149.79
Use said ratio, the making diameter is 3000mm; Working pressure (MOP) is the entwining tube of 3.6MPa, and its standard dimention ratio (SDR) is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice Negotiable section long-pending m 2
Pure PE80 6.33 473.68 3.0 3607.23 3.31
Pure PE100 7.67 391.30 3.0 3141.16 3.86
The present invention 26.0 115.40 3.0 1149.79 6.02
All the other are with embodiment 1.
Embodiment 4
Plastic basis material: reinforcing material: fire retardant: anti-static agent=1: 0.4: 0.2: 0.2;
Consumption: plastic basis material PE100 100kg;
Reinforcing material aluminum silicate fiber length is 0.2～50mm 40kg;
Flame retardant material deca-BDE 10kg;
Antimonous oxide 5kg
Zinc borate 5kg;
Anti-static material conductive carbon black 20kg; The all commercially available industrial goods of raw material.
The die head compression ratio is set to: 50～80; The extruding of plastic extruder head/hauling speed is set to: 300～600mm/s;
Use said ratio, the making diameter is 4000mm; Standard dimention ratio (SDR) is 26.0 entwining tube, and its working pressure is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice
Pure PE80 26.0 153.85 0.64 1783.73
Pure PE100 26.0 153.85 0.80 1820.90
The present invention 26.0 153.85 3.0 2043.85
Use said ratio, the making diameter is 4000mm; Working pressure (MOP) is the entwining tube of 3.6MPa, and its standard dimention ratio (SDR) is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice Negotiable sectional area m 2
Pure PE80 6.33 631.58 3.0 6421.9 5.87
Pure PE100 7.67 521.74 3.0 5584.34 6.86
The present invention 26.0 153.85 3.0 2043.85 10.70
All the other are with embodiment 1.
Embodiment 5
Weight proportion: plastic basis material: reinforcing material: fire retardant: anti-static agent=1: 0.4: 0.1: 0.1;
Consumption: plastic basis material PE100 100kg;
(length is 0.2～30mm) 40kg to the reinforcing material glass fibre;
Flame retardant material deca-BDE 5kg;
Antimonous oxide 3kg;
Zinc borate 2kg;
Anti-static material conductive carbon black 10kg; Raw material is commercially available industrial goods.
The die head compression ratio is set to: 80～100; The extruding of plastic extruder head/hauling speed is set to: 2500～3000mm/s;
Use said ratio, the making diameter is 6000mm; Standard dimention ratio (SDR) is 26.0 entwining tube, and its working pressure is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice
Pure PE80 26.0 230.8 0.64 4012.77
Pure PE100 26.0 230.8 0.80 4097.39
The present invention 26.0 230.8 3.0 4599.11
Use said ratio, the making diameter is 6000mm; Working pressure (MOP) is the entwining tube of 3.6MPa, and its standard dimention ratio (SDR) is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice Negotiable sectional area m 2
Pure PE80 6.0 1000 3.0 15072.0 12.56
Pure PE100 7.67 782.6 3.0 12546.6 15.43
The present invention 26.0 230.8 3.0 4599.11 24.08
All the other are with embodiment 1.
Embodiment 6
Weight proportion: plastic basis material: reinforcing material=1: 0.03;
Plastic basis material PE100 100kg;
Reinforcing material glass fibre 3kg; Glass fibre length is 0.2～30mm;
Raw material is commercially available industrial goods.
The die head compression ratio is set to: 1～20; The extruding of plastic extruder head/hauling speed is set to: 3～300mm/s;
Use said ratio, the making diameter is 500mm; Standard dimention ratio (SDR) is 26 entwining tube, and its working pressure is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice
Pure PE80 26 19.3 0.64 27.38
Pure PE100 26 19.3 0.80 27.97
The present invention 26 19.3 1.2 29.13
Use said ratio, the making diameter is 500mm; Working pressure (MOP) is the entwining tube of 1.2MPa, and its standard dimention ratio (SDR) is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice Negotiable sectional area m 2
Pure PE80 14.37 34.8 1.2 47.78 0.145
Pure PE100 17.67 28.30 1.2 40.66 0.154
The present invention 26 19.3 1.2 29.13 0.167
All the other are with embodiment 1.
Embodiment 7
Weight proportion: plastic basis material: reinforcing material: anti-static agent=1: 0.2: 0.5;
Plastic basis material PE100 100kg;
Reinforcing material glass fibre 20kg; Glass fibre length is 0.2～30mm;
Anti-static material conductive carbon black 50kg; Raw material is commercially available industrial goods.
The die head compression ratio is set to: 1～20; The extruding of plastic extruder head/hauling speed is set to: 3～300mm/s;
Use said ratio, the making diameter is 300mm; Standard dimention ratio (SDR) is 26 entwining tube, and its working pressure is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice
Pure PE80 26 11.5 0.64 10.0
Pure PE100 26 11.5 0.80 10.2
The present invention 26 11.5 1.6 11.4
Use said ratio, the making diameter is 300mm; Working pressure (MOP) is the entwining tube of 2.0MPa, and its standard dimention ratio (SDR) is compared result such as following table with pure PE100, PE80 solid wall pipe:
Standard dimention ratio SDR Wall thickness e/mm Working pressure MOP/MPa The heavy Kg/m of rice Negotiable sectional area m 2
Pure PE80 9 27.27 1.6 22.4 0.047
Pure PE100 11 22.22 1.6 19.0 0.05
The present invention 26 11.5 1.6 11.4 0.06
All the other are with embodiment 1.

Claims (1)

1. one kind constitutes the heavy caliber high-strength plastic entwining tube of tubing wall by winding material, it is characterized in that,
Describedly constitute the heavy caliber high-strength plastic entwining tube of tubing wall by winding material, its diameter is set to 300～6000mm;
(1) described winding material sectional shape is the parallelogram of rule, trapezoidal, triangle, ellipse or circular;
(2) described winding material mirror image is arranged or alternate dislocation arrangement, and spiral twines and constitutes the tubing wall;
(3) the described tubing wall that is made of winding material is by fusion mutual connection between multi-lay winding material adjacent wall, and mirror image is arranged or compound formation one is arranged in alternate dislocation;
(4) described winding material:
A. be that its skin is a thermoplastic by inner core and the outer composite plastic section bar that constitutes, its inner core is to be applied with the interpolation material in thermoplastic plastic substrates---reinforcing material and flame retardant material;
B. or be applied with the solid thermoplastic sections of reinforcing material and flame retardant material and anti-static material;
(5) distribution of described reinforcing material in winding material is the Hand of spiral distribution of orientations along high strength wrapped tube axis;
(6) described reinforcing material is glass fibre, aluminum silicate fiber, carbon/graphite fiber, aramid fibre, boron fiber, ceramic fiber, thermoplasticity polyester fiber, polyamide fiber, polypropylene fiber of superhigh molecular weight, polyphenylene benzene and two oxazole fibers, sisal fiber or Stainless Steel Fibre;
Described flame retardant material is the combination of deca-BDE, antimonous oxide or the combination of deca-BDE, antimonous oxide and zinc borate;
Described anti-static material is a conductive carbon black.
CNB2007100135225A 2007-02-07 2007-02-07 Heavy caliber high-strength plastic wound pipe having pipe wall made of wrapping material and manufacture method therefor Expired - Fee Related CN100520139C (en)

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