CN103612377A - Fracturing fluid conveying hose and manufacturing method thereof as well as co-extrusion mould - Google Patents

Fracturing fluid conveying hose and manufacturing method thereof as well as co-extrusion mould Download PDF

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Publication number
CN103612377A
CN103612377A CN201310660994.5A CN201310660994A CN103612377A CN 103612377 A CN103612377 A CN 103612377A CN 201310660994 A CN201310660994 A CN 201310660994A CN 103612377 A CN103612377 A CN 103612377A
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China
Prior art keywords
fracturing fluid
enhancement layer
layer
fluid delivery
delivery hose
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Granted
Application number
CN201310660994.5A
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Chinese (zh)
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CN103612377B (en
Inventor
沙月华
王东辉
王金马
陈婷婷
周杉鸿
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5Elem Hi Tech Corp Technology Co Ltd
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Five Lines Material Science And Technology (jiangsu) Co Ltd
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Priority to CN201310660994.5A priority Critical patent/CN103612377B/en
Priority to PCT/CN2013/089357 priority patent/WO2015085568A1/en
Priority to US14/350,275 priority patent/US20150159786A1/en
Publication of CN103612377A publication Critical patent/CN103612377A/en
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Publication of CN103612377B publication Critical patent/CN103612377B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151Coating hollow articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/02Hoses, i.e. flexible pipes made of fibres or threads, e.g. of textile which may or may not be impregnated, or provided with an impermeable layer, e.g. fire-hoses

Abstract

The invention provides a fracturing fluid conveying hose and a manufacturing method of the fracturing fluid conveying hose as well as a co-extrusion mould. The manufacturing method of the fracturing fluid conveying hose comprises the following steps: (1) drying an outer glue layer, agitating and blending a color; (2) drying an inner outer layer, agitating and blending a color; (3) manufacturing an enhancement layer: braiding a pipe-shaped enhancement layer according to design specification parameters of a product; (4) manufacturing a finished product: threading the enhancement layer on a mould core of the co-extrusion mould and respectively sucking grain materials dried in the step (1) and the step (2) into two extruding machines; and starting up the extruding machines and a traction machine to commonly extrude the enhancement layer, an outer glue layer material and an inner glue layer material by co-extrusion equipment to obtain the finished product. According to the fracturing fluid conveying hose and the manufacturing method of the fracturing fluid conveying hose as well as the co-extrusion mould, the outer glue layer and the inner glue layer can be made of the materials with different types and the combination of the different materials of the outer glue layer and the inner glue layer can be suitable for more requirements; the cost of the product can also be reduced. The hose with any length can be made and the ductility is low. The product size is stable. The pressure-bearing capability of the hose is high, the conveying flow is great, the connection is convenient and the storage and transportation volume is small.

Description

Fracturing fluid delivery hose and manufacture method thereof and co-extruding mould
technical field:
The present invention relates to thermoplastic elastomer (TPE) field, be mainly concerned with the manufacture field of flexible pipe and fire hose thereof.
background technology:
Hydraulic fracturing technology, is current only method that can commercialization exploitation shale oil gas, and after highly pressurised liquid injects drilling well and split in rock stratum, the proppant in highly pressurised liquid can maintain crack, becomes the high-speed osmotic passage of oil gas steerable drilling.Fracturing fluid in exploitation shale gas hydrofracturing method used is mainly comprised of water, sand and chemical addition agent (salt and some emulsifier), and water and sand content are more than 99%.Exploitation shale gas is very big by pressure break liquid measure, and the fracturing fluid that every mouthful of shale gas well need expend four, 5,000,000 gallons (1 gallon is roughly equal to 3.78 liters) just can make shale fracture.
Shale oil-gas mining middle and long distance (approximately 10 miles) is carried common metal pipeline at present, the shortcoming of this kind of method is that laying workload is large, in location with a varied topography as slope, gully, pools etc. are laid more difficult, and main is at pipeline junction, easily to produce crack to cause the seepage of water to cause soil pollution.And the poisonous brine strength in waste water is 6 times of concentration of seawater, large on environmental protection impact.
summary of the invention:
The object of the invention is provides a kind of fracturing fluid delivery hose and manufacture method thereof for the problem of above-mentioned existence, and hose strength of the present invention is large, and length is long, and bore is large, and efficiency is high.And flexible pipe pressure-bearing is high, feed flow is large, easy to connect, and weatherability chemical resistance is good, can adapt to different terrain landforms, is flat when non-working condition, easily rolling, and storage transportation volume is little.
Above-mentioned object realizes by following technical scheme:
The manufacture method of fracturing fluid delivery hose, the method comprises the steps:
(1) the dry stirring of outer glue-line color matching: outer glue-line pellet and Masterbatch material in 100:(0-1.5) ratio to be placed on that then a mixer stirring suck in dryer be to be dried 1-6 hour at 70-110 ℃ in temperature;
(2) the dry stirring of inner glue layer color matching: inner glue layer pellet and Masterbatch material are placed on to a mixer in proportion and stir that then to suck in dryer be to be dried 1-6 hour at 70-110 ℃ in temperature;
(3) make enhancement layer: by product design specification (PDS) parameter woven tubular enhancement layer;
(4) finished product is made: enhancement layer is through on the core rod of co-extruding mould, dried pellet in step (1) and step (2) is sucked respectively in two extruders, start extruder and hauling machine and make enhancement layer, outer glue-line material, inner glue layer material jointly by co-extrusion equipment, draw product.
The manufacture method of described fracturing fluid delivery hose, outer glue-line pellet described in step (1) adopts TPU pellet or TPU and PVC alloy, inner glue layer material grain employing TPU pellet described in step (2) or TPU/PVC alloy or PVC or PVC/ fourth are fine, TPU:PVC=100:0-70 in described TPU and PVC alloy; The fine middle PVC of described PVC/ fourth: fourth is fine=100:0-70; Described in step (4), extrude operating temperature at 150-210 ℃.
The manufacture method of described fracturing fluid delivery hose, the enhancement layer described in step (3) adopts warp and parallel to be woven into tubulose, and described warp or parallel adopt polyester filament and/or Tynex and/or aramid fiber.
The fracturing fluid delivery hose of manufacturing with said method, this flexible pipe is by comprising from outside to inside: outer glue-line, enhancement layer, inner glue layer, described outer bondline thickness is 0.5-4.0mm, described enhancement layer thickness 1.5-5.0mm, described inner glue layer thickness is 0.5-4.0mm, and described outer glue-line and inner glue layer obtain to described enhancement layer by co-extrusion equipment co-extrusion.
Described fracturing fluid delivery hose, described enhancement layer is woven into tubulose by warp and parallel.
Described fracturing fluid delivery hose, described enhancement layer is evenly worked out vertically copper wire and is played antistatic property.
The co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose: this co-extrusion equipment comprises mounting bracket, mounting shaft frame in the middle of on described mounting bracket, internal layer extruder and outer extruder are installed respectively in the two ends of described mounting bracket, extrusion die is installed in described derrick bottom, described internal layer extruder is connected with extrusion die respectively with described outer extruder, and described extrusion die connects hauling machine.
The described co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose, described extrusion die comprises for being set with the core rod of enhancement layer, the outer surface cover of described core rod has locating ring, described locating ring middle part has group leader's through hole, described locating ring outer cover has mould root, described mould root outer setting has inner chamber cover, between described mould root and described inner chamber cover, form internal layer runner, described internal layer runner is communicated with described long through-hole and described internal layer extruder, described inner chamber cover outer setting has exocoel cover, between described inner chamber cover and described exocoel cover, form outer runner, described outer runner is communicated with described outer extruder.
The described co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose, the gap between described locating ring and described inner chamber cover equals the thickness of enhancement layer.
Beneficial effect:
1. fracturing fluid delivery hose of the present invention, this flexible pipe is by comprising from outside to inside: outer glue-line, enhancement layer, inner glue layer, its China and foreign countries' glue-line and inner glue layer can design different materials, inner glue layer can be found the material of resistant to chemical media and oils corrosion, outer glue-line can be found weather-proof and resistance to ozone and the wear-resisting and resistance to material piercing through, and brings into play the great advantage of various materials.The product length that the present invention makes can be long arbitrarily, flexible pipe each several part size uniform, and especially the percentage elongation of product is very little, and in the time of transmission medium, product stability is good.
2. that the flexible pipe that method of the present invention is produced has is lightweight, flexibility good, wear-resisting, corrosion-resistant, good weatherability and flexible pipe can connect to link by multiple standards and connect, and easily reels, easily assembly and disassembly.This patent flexible pipe is to turn over band method production technology, and product length can be long arbitrarily, and internal diameter is 200mm(8 "), 250mm(10 "), 300mm(12 "), 400mm(16 "), the different size such as 600mm (24 ").
3. the present invention has designed special co-extrusion equipment, processing ease, and efficiency is high.
accompanying drawing explanation:
Fig. 1 is the structural representation of co-extrusion equipment of the present invention.
Fig. 2 is that the K of Fig. 1 is to figure.
Fig. 3 is the A portion enlarged drawing in Fig. 2.
In figure: 1, mounting bracket; 2, derrick; 3, internal layer extruder; 4, outer extruder; 5, hauling machine; 6, enhancement layer; 7, core rod; 8, locating ring; 9, long through-hole; 10, mould root; 11, inner chamber cover; 12, internal layer runner; 13, exocoel cover; 14, outer runner.
the specific embodiment:
Embodiment 1:
The manufacture method of fracturing fluid delivery hose, the method comprises the steps:
(1) the dry stirring of outer glue-line color matching: outer glue-line pellet and Masterbatch material in 100:(0-1.5) ratio to be placed on that then a mixer stirring suck in dryer be to be dried 1-6 hour at 70-110 ℃ in temperature;
(2) the dry stirring of inner glue layer color matching: inner glue layer pellet and Masterbatch material are placed on to a mixer in proportion and stir that then to suck in dryer be to be dried 1-6 hour at 70-110 ℃ in temperature;
(3) make enhancement layer: by product design specification (PDS) parameter woven tubular enhancement layer;
(4) finished product is made: enhancement layer is through on the core rod of co-extruding mould, dried pellet in step (1) and step (2) is sucked respectively in two extruders, start extruder and hauling machine and make enhancement layer, outer glue-line material, inner glue layer material jointly by co-extrusion equipment, draw product.
The manufacture method of described fracturing fluid delivery hose, outer glue-line pellet described in step (1) adopts TPU pellet or TPU and PVC alloy, inner glue layer material grain employing TPU pellet described in step (2) or TPU/PVC alloy or PVC or PVC/ fourth are fine, TPU:PVC=100:0-70 in described TPU and PVC alloy; The fine middle PVC of described PVC/ fourth: fourth is fine=100:0-70; Described in step (4), extrude operating temperature at 150-210 ℃.
The manufacture method of described fracturing fluid delivery hose, the enhancement layer described in step (3) adopts warp and parallel to be woven into tubulose, and described warp or parallel adopt polyester filament and/or Tynex and/or aramid fiber.
The fracturing fluid delivery hose of manufacturing with said method, this flexible pipe is by comprising from outside to inside: outer glue-line, enhancement layer, inner glue layer, described outer bondline thickness is 0.5-4.0mm, described enhancement layer thickness 1.5-5.0mm, described inner glue layer thickness is 0.5-4.0mm, and described outer glue-line and inner glue layer obtain to described enhancement layer by co-extrusion equipment co-extrusion.
Described fracturing fluid delivery hose, described enhancement layer is woven into tubulose by warp and parallel.
Embodiment 2:
The difference of the present embodiment and embodiment 1 is: described fracturing fluid delivery hose, described enhancement layer is evenly worked out vertically copper wire and played antistatic property.
Embodiment 3:
The present invention also provides a kind of co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose: this co-extrusion equipment comprises mounting bracket 1, mounting shaft frame 2 in the middle of on described mounting bracket, internal layer extruder 3 and outer extruder 4 are installed respectively in the two ends of described mounting bracket, extrusion die is installed in described derrick bottom, described internal layer extruder is connected with extrusion die respectively with described outer extruder, and described extrusion die connects hauling machine 5.
The described co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose, described extrusion die comprises for being set with the core rod 7 of enhancement layer 6, the outer surface cover of described core rod has locating ring 8, described locating ring middle part has group leader's through hole 9, described locating ring outer cover has mould root 10, described mould root outer setting has inner chamber cover 11, between described mould root and described inner chamber cover, form internal layer runner 12, described internal layer runner is communicated with described long through-hole and described internal layer extruder, described inner chamber cover outer setting has exocoel cover 13, between described inner chamber cover and described exocoel cover, form outer runner 14, described outer runner is communicated with described outer extruder.
The described co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose, the gap between described locating ring and described inner chamber cover equals the thickness of enhancement layer.
During production, enhancement layer is through on the core rod of co-extruding mould, dried pellet in step (1) and step (2) is sucked respectively in two extruders, start extruder and hauling machine, inner glue layer is when internal layer runner enters into the oblong aperture position of locating ring, owing to being subject to the effect of extruder pressure above, the gap of inner chamber cover and locating ring equals the thickness of enhancement layer below, the effect of being squeezed makes inner glue layer be penetrated into the inside of enhancement layer, along the gap between locating ring and core rod, flow down, finally be compressed in the inner side of enhancement layer, and outer glue-line material is directly dirty along outer runner out from outer extruder, finally be compressed in the outside of enhancement layer.

Claims (9)

1. a manufacture method for fracturing fluid delivery hose, is characterized in that: the method comprises the steps:
(1) the dry stirring of outer glue-line color matching: outer glue-line pellet and Masterbatch material in 100:(0-1.5) ratio to be placed on that then a mixer stirring suck in dryer be to be dried 1-6 hour at 70-110 ℃ in temperature;
(2) the dry stirring of inner glue layer color matching: inner glue layer pellet and Masterbatch material are placed on to a mixer in proportion and stir that then to suck in dryer be to be dried 1-6 hour at 70-110 ℃ in temperature;
(3) make enhancement layer: by product design specification (PDS) parameter woven tubular enhancement layer;
(4) finished product is made: enhancement layer is through on the core rod of co-extruding mould, dried pellet in step (1) and step (2) is sucked respectively in two extruders, start extruder and hauling machine and make enhancement layer, outer glue-line material, inner glue layer material jointly by co-extrusion equipment, draw product.
2. the manufacture method of fracturing fluid delivery hose according to claim 1, it is characterized in that: the outer glue-line pellet described in step (1) adopts TPU pellet or TPU and PVC alloy, inner glue layer material grain employing TPU pellet described in step (2) or TPU/PVC alloy or PVC or PVC/ fourth are fine, TPU:PVC=100:0-70 in described TPU and PVC alloy; The fine middle PVC of described PVC/ fourth: fourth is fine=100:0-70; Described in step (4), extrude operating temperature at 150-210 ℃.
3. the manufacture method of fracturing fluid delivery hose according to claim 1 and 2, it is characterized in that: the enhancement layer described in step (3) adopts warp and parallel to be woven into tubulose, and described warp or parallel adopt polyester filament and/or Tynex and/or aramid fiber.
4. a fracturing fluid delivery hose of manufacturing with said method, it is characterized in that: this flexible pipe is by comprising from outside to inside: outer glue-line, enhancement layer, inner glue layer, described outer bondline thickness is 0.5-4.0mm, described enhancement layer thickness 1.5-5.0mm, described inner glue layer thickness is 0.5-4.0mm, and described outer glue-line and inner glue layer obtain to described enhancement layer by co-extrusion equipment co-extrusion.
5. fracturing fluid delivery hose according to claim 4, is characterized in that: described enhancement layer is woven into tubulose by warp and parallel.
6. according to the fracturing fluid delivery hose described in claim 4 or 5, it is characterized in that: described enhancement layer is evenly worked out vertically copper wire and played antistatic property.
7. a co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose: this co-extrusion equipment comprises mounting bracket, it is characterized in that: mounting shaft frame in the middle of on described mounting bracket, internal layer extruder and outer extruder are installed respectively in the two ends of described mounting bracket, extrusion die is installed in described derrick bottom, described internal layer extruder is connected with extrusion die respectively with described outer extruder, and described extrusion die connects hauling machine.
8. the co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose according to claim 7, it is characterized in that: described extrusion die comprises for being set with the core rod of enhancement layer, the outer surface cover of described core rod has locating ring, described locating ring middle part has group leader's through hole, described locating ring outer cover has mould root, described mould root outer setting has inner chamber cover, between described mould root and described inner chamber cover, form internal layer runner, described internal layer runner is communicated with described long through-hole and described internal layer extruder, described inner chamber cover outer setting has exocoel cover, between described inner chamber cover and described exocoel cover, form outer runner, described outer runner is communicated with described outer extruder.
9. according to the co-extrusion equipment of making for above-mentioned fracturing fluid delivery hose described in claim 7 or 8, it is characterized in that: the gap between described locating ring and described inner chamber cover equals the thickness of enhancement layer.
CN201310660994.5A 2013-12-10 2013-12-10 Fracturing fluid conveying hose and manufacturing method thereof as well as co-extrusion mould Active CN103612377B (en)

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CN201310660994.5A CN103612377B (en) 2013-12-10 2013-12-10 Fracturing fluid conveying hose and manufacturing method thereof as well as co-extrusion mould
PCT/CN2013/089357 WO2015085568A1 (en) 2013-12-10 2013-12-13 Fracturing fluid conveying hose, manufacturing method thereof and co-extruding mould
US14/350,275 US20150159786A1 (en) 2013-12-10 2013-12-13 Fracturing fluid transport hose, method for manufacturing same, and co-extrusion mould

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CN105479709A (en) * 2015-12-08 2016-04-13 五行科技股份有限公司 Once forming production equipment for auto pressure-bearing super-long composite lining hose
CN106113530A (en) * 2016-06-29 2016-11-16 中裕软管科技有限公司 A kind of manufacture method of the heavy caliber high pressure composite soft tube carrying natural gas
CN106117639A (en) * 2016-06-29 2016-11-16 中裕软管科技有限公司 A kind of ultra-high molecular weight polyethylene strengthens big flow conveying high-pressure flexible pipe and manufacture method thereof
CN106626426A (en) * 2016-12-15 2017-05-10 中裕软管科技有限公司 One-time formed rubber double-face rubber hose and process thereof
CN106945314A (en) * 2017-03-06 2017-07-14 五行科技股份有限公司 A kind of noctilucence flexible pipe and its manufacture method for conveying fracturing fluid backwater
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CN105479709A (en) * 2015-12-08 2016-04-13 五行科技股份有限公司 Once forming production equipment for auto pressure-bearing super-long composite lining hose
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CN106113530A (en) * 2016-06-29 2016-11-16 中裕软管科技有限公司 A kind of manufacture method of the heavy caliber high pressure composite soft tube carrying natural gas
CN106117639A (en) * 2016-06-29 2016-11-16 中裕软管科技有限公司 A kind of ultra-high molecular weight polyethylene strengthens big flow conveying high-pressure flexible pipe and manufacture method thereof
CN106626426A (en) * 2016-12-15 2017-05-10 中裕软管科技有限公司 One-time formed rubber double-face rubber hose and process thereof
WO2018161233A1 (en) * 2017-03-06 2018-09-13 五行科技股份有限公司 Noctilucent hose for conveying fracturing fluid backwater, and manufacturing method thereof
CN106945314A (en) * 2017-03-06 2017-07-14 五行科技股份有限公司 A kind of noctilucence flexible pipe and its manufacture method for conveying fracturing fluid backwater
CN109931443A (en) * 2017-12-18 2019-06-25 中裕软管科技股份有限公司 A kind of compressed natural gas pipe and its preparation process
CN109931443B (en) * 2017-12-18 2020-09-15 中裕软管科技股份有限公司 Compressed natural gas pipe and preparation process thereof
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