CN110778805A - Non-metal cured composite pipe and production method thereof - Google Patents
Non-metal cured composite pipe and production method thereof Download PDFInfo
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- CN110778805A CN110778805A CN201910706121.0A CN201910706121A CN110778805A CN 110778805 A CN110778805 A CN 110778805A CN 201910706121 A CN201910706121 A CN 201910706121A CN 110778805 A CN110778805 A CN 110778805A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
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Abstract
The invention discloses a non-metal curing composite pipe and a production method thereof in the technical field of composite pipes, and the non-metal curing composite pipe comprises a core pipe, a first glass fiber woven mesh, a second glass fiber woven mesh, a third glass fiber woven mesh and a fourth glass fiber woven mesh, wherein the first glass fiber woven mesh is wound on the circumferential outer wall of the core pipe, the second glass fiber woven mesh is bonded on the circumferential outer wall of the first glass fiber woven mesh, and the third glass fiber woven mesh is bonded on the circumferential outer wall of the second glass fiber woven mesh. The pipeline is easy to install, corrosion resistant and long in service life, the comprehensive performance of the product is greatly improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of composite pipes, in particular to a non-metal cured composite pipe and a production method thereof.
Background
A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations.
Along with social development, the requirements on municipal engineering, electric power systems, chemical industry, communication and irrigation safety are increasingly increased, so that the selection of a better conveying pipeline is more important, and the composite pipe is one of the classification of pipelines.
For a long time, the transmission pipeline is made of metal materials, such as steel pipe, iron pipe, HDPE and PVC pipe, the traditional metal material pipeline is gradually eliminated due to the defects of large energy consumption and multiple processes in the production process, metal conductivity, easy corrosion, short service life, high facility maintenance cost and the like in the harsh environments such as damp, dirt, coastal salt mist and the like in practical use, and replaces the pipeline made of novel materials, such as the pipeline wound by glass fiber reinforced plastic composite materials, various plastic extruded by extrusion and various hollow and reinforced plastic corrugated pipelines, as is well known, the pipeline wound by glass fiber reinforced plastic composite materials, and the sand inclusion pipeline which is generated for improving rigidity and reducing cost have large weight, uneven product quality, low longitudinal strength, large brittleness and low elongation at break, but the traditional glass fiber reinforced plastic pipe has low circumferential strength, the hoop rigidity is poor, and the problems exist in practice and need to be solved urgently.
Disclosure of Invention
The invention aims to provide a non-metal cured composite pipe and a production method thereof, aiming at solving the problems that the conventional pipeline proposed in the background art is easy to rust, short in service life and high in equipment maintenance cost, the pipeline formed by winding a glass fiber reinforced plastic composite material and the sand inclusion pipeline for improving the rigidity and reducing the cost are heavy, the product quality is uneven, the longitudinal strength is low, the brittleness is high, the elongation at break is low, and the traditional pultruded glass fiber reinforced plastic pipe is low in circumferential strength and poor in circumferential rigidity.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a nonmetal solidification composite pipe, includes that core pipe, the fine woven mesh of first glass, the fine woven mesh of second glass, third glass fine woven mesh and fourth glass fine woven mesh, the circumference outer wall winding of core pipe the fine woven mesh of first glass, the circumference outer wall of the fine woven mesh of first glass bonds the fine woven mesh of second, the circumference outer wall bonding of the fine woven mesh of second glass the fine woven mesh of third glass, the circumference outer wall bonding of the fine woven mesh of third glass the fine woven mesh of fourth glass.
Preferably, the shape of the core tube can be a cylinder or a rectangle, and the inner wall and the outer wall of the core tube are smooth.
Preferably, the shape of the first glass fiber woven mesh, the second glass fiber woven mesh, the third glass fiber woven mesh and the fourth glass fiber woven mesh adopts the design of annular longitudinal mesh, and the material is formed by continuously weaving and drawing long glass fibers and resin materials.
Preferably, the number of layers of the first glass fiber woven mesh, the second glass fiber woven mesh, the third glass fiber woven mesh and the fourth glass fiber woven mesh can be increased according to requirements.
A production method of a non-metal cured composite pipe comprises the following steps:
s1: arranging a core tube: the core pipe is internally arranged according to an inner diameter structure, and the size error range is controlled to be +/-0.1 cm;
s2: one layer preparation: the glass fiber woven net is continuously woven outside the core tube, the first glass fiber woven net is formed into a circular net by utilizing a first glass fiber yarn weaving unit, the circular net is continuously woven outside the core tube after resin is infiltrated, the first glass fiber woven net is continuously woven outside the core tube by the first traction walking, the first traction walking is alternately and continuously laid for one circle, a fiber yarn structure layer is longitudinally extended along the tube wall, the fiber yarn structure layer is continuously wound or woven along the tube wall, an alternate and spaced composite layer is formed, the glass fiber reinforced plastic tube wall is formed, and the core tube is pulled out after solidification;
s3: two-layer preparation: the second glass fiber yarn knitting machine, the second traction walking and the second glue spraying device are utilized to repeat the action of S2 on the circumferential outer wall of the finished product S2;
s4: three-layer preparation: the method comprises three-layer weaving, third traction walking and a third glue spraying device, wherein S3 actions are repeated on the circumferential outer wall of a finished product S3 by utilizing a third glass fiber yarn weaving machine, a second traction walking device and a second glue spraying device, equipment can be additionally arranged according to the layer number requirement of actual production, wherein glass fiber layers which are connected in a braided-type manner are woven on the circumferential outer wall of the core pipe by a glass fiber yarn weaving machine in a crossed mode at equal intervals, a built-up backflow pipeline is arranged in the glue spraying device, a prepared unsaturated resin material is uniformly sprayed on the surface of the glue spraying device through a high-pressure pump, and glue is required to be sprayed layer by layer;
s5: sizing, heating and curing: the soft composite material after glue spraying is dragged into a fixed die cavity through hydraulic circulation, a fiber felt reinforcing material structure of an inner surface layer is continuously coated and laid, after resin is soaked, when alternate composite layers are continuously laid, a sleeve die is used for continuous extrusion and reshaping, the preforming effect is achieved, when a finished product passes through a sizing heating and curing section, the finished product is cured and formed under the heating action, the curing temperature is 130-180 ℃, and the time is 30-50 min;
s6: sawing the finished product at fixed length: after the length of the finished product is measured, the finished product is cut into finished products according to the design length requirement by positioning and tracking a cutting machine through a rotary encoder;
s7: and (4) finished product inspection and warehousing: to finished product inspection, unqualified product need be done over again, and qualified product carries out the external packaging to carry out the surface sign, inspect the surface sign: name, model, specification, year and rice standard; the printed characters are clear and firm, and have no error printing and missing printing.
Compared with the prior art, the invention has the beneficial effects that: the non-metal solidified composite pipe and the production method form multilayer weaving, combine pultrusion and plait-shaped weaving technology, and structurally make circumferential and longitudinal net-shaped design, long glass fiber and resin material are adopted to be formed by continuous weaving and drawing, the shape of the product pipe is cylindrical or square, the surface is plait-shaped texture smooth surface, the rigidity is large, the strength is high, and the product has good flexibility, the multilayer structure is a fiber woven layer, the product has higher longitudinal strength and radial strength, the defect of insufficient longitudinal strength of the wound pipe is made up, the problem of insufficient circumferential strength of the pipeline is solved, the circumferential rigidity of the pipeline is improved, compared with the existing pipeline which is buried underground and is longitudinally wound by using the woven middle layer of the inner and outer layers, the circumferential rigidity has obvious advantages, compared with other material ribbed pipes, such as metal ribbed pipes, the corrosion resistance is high, compared with PVC and HDPE ribbed pipes and ribbed reinforced pipes, the reinforced PVC pipe has the advantages of high strength, strong impact resistance, corrosion resistance, long service life, great improvement on the comprehensive performance of products and reduction in production cost, and is favorable for the installation of pipelines.
Drawings
FIG. 1 is a schematic view of a tube structure according to the present invention;
FIG. 2 is a schematic view of an apparatus assembly according to the present invention;
FIG. 3 is a schematic view of the production process of the present invention.
In the figure: 100 core tubes, 110 first glass fiber woven mesh, 120 second glass fiber woven mesh, 130 third glass fiber woven mesh and 140 fourth glass fiber woven mesh.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a non-metal curing composite pipe and a production method thereof, which can improve the comprehensive performance of products and reduce the production cost, please refer to fig. 1-2, and comprise a core pipe 100, a first glass fiber woven mesh 110, a second glass fiber woven mesh 120, a third glass fiber woven mesh 130 and a fourth glass fiber woven mesh 140;
referring to fig. 1 again, the circumferential outer wall of the core tube 100 is provided with a first glass fiber woven mesh 110, specifically, the circumferential outer wall of the core tube 100 is wound with the first glass fiber woven mesh 110, the circumferential outer wall of the first glass fiber woven mesh 110 is bonded with a second glass fiber woven mesh 120, the circumferential outer wall of the second glass fiber woven mesh 120 is bonded with a third glass fiber woven mesh 130, and the circumferential outer wall of the third glass fiber woven mesh 130 is bonded with a fourth glass fiber woven mesh 140;
referring again to fig. 1, in order to ensure the uniformity of the knitting process, specifically, the core tube 100 may be cylindrical or rectangular, and the inner and outer walls of the core tube 100 are smooth;
referring to fig. 1 again, in order to increase the wrapping effect and flexibility of the weaving, specifically, the shapes of the first glass fiber woven mesh 110, the second glass fiber woven mesh 120, the third glass fiber woven mesh 130 and the fourth glass fiber woven mesh 140 adopt a ring longitudinal mesh design, the materials are long glass fibers and resin materials, and the number of layers of the first glass fiber woven mesh 110, the second glass fiber woven mesh 120, the third glass fiber woven mesh 130 and the fourth glass fiber woven mesh 140 can be increased as required.
The invention also provides a production method of the non-metal cured composite pipe, which comprises the following steps:
referring to fig. 1-3, the method for manufacturing the non-metallic cured composite pipe includes the following steps:
s1: arranging a core tube: the core pipe 100 is internally arranged according to the inner diameter structure, and the size error range is controlled to be +/-0.1 cm;
s2: one layer preparation: the glass fiber woven net is continuously woven outside a core pipe 100, the first glass fiber woven net 110 is formed into a circular net by utilizing a first glass fiber yarn weaving unit, the first glass fiber woven net 110 is continuously woven outside the core pipe 100 after resin is infiltrated, the first glass fiber woven net is continuously woven by the first traction walking at a constant speed, the first traction walking is alternately and continuously laid for one circle, a fiber yarn structure layer and a fiber yarn structure layer continuously wound or woven along the pipe wall are longitudinally extended along the pipe wall to form alternate and spaced composite layers, the glass fiber reinforced plastic pipe wall is formed, and the core pipe 100 is pulled out after solidification;
s3: two-layer preparation: the second glass fiber yarn knitting machine, the second traction walking and the second glue spraying device are utilized to repeat the action of S2 on the circumferential outer wall of the finished product S2;
s4: three-layer preparation: the method comprises three-layer weaving, third traction walking and a third glue spraying device, wherein S3 actions are repeated on the circumferential outer wall of a finished product S3 by utilizing a third glass fiber yarn weaving machine, a second traction walking device and a second glue spraying device, equipment can be additionally arranged according to the layer number requirement of actual production, wherein glass fiber layers which are connected in a braided-type equidistant and crossed manner are woven on the circumferential outer wall of a core pipe 100 by a glass fiber yarn weaving machine, a built-up backflow pipeline is arranged in the glue spraying device, a prepared unsaturated resin material is uniformly sprayed on the surface of the glass fiber layers through a high-pressure pump, and glue is required to be sprayed layer by layer;
s5: sizing, heating and curing: the soft composite material after glue spraying is dragged into a fixed die cavity through hydraulic circulation, a fiber felt reinforcing material structure of an inner surface layer is continuously coated and laid, after resin is soaked, when alternate composite layers are continuously laid, a sleeve die is used for continuous extrusion and reshaping, the preforming effect is achieved, when a finished product passes through a sizing heating and curing section, the finished product is cured and formed under the heating action, the curing temperature is 130-180 ℃, and the time is 30-50 min;
s6: sawing the finished product at fixed length: after the length of the finished product is measured, the finished product is cut into finished products according to the design length requirement by positioning and tracking a cutting machine through a rotary encoder;
s7: and (4) finished product inspection and warehousing: to finished product inspection, unqualified product need be done over again, and qualified product carries out the external packaging to carry out the surface sign, inspect the surface sign: name, model, specification, year and rice standard; the printed characters are clear and firm, and have no error printing and missing printing.
Examples
The nonmetal cured composite pipe manufactured by the invention is compared with a common product in the market in a test process;
1. the examples were crushed in conjunction with a crushing device such as a crusher.
2. The upper end and the lower end of the embodiment are simultaneously and forcefully extruded to the member by matching with a modulus of rupture device such as a modulus of rupture tester, and the MPA which can be born can be obtained by testing the MPA which can be broken under high pressure intensity.
3. After the natural temperature of the embodiment is placed, the embodiment is placed in acid and alkali liquor according to a calculated soaking plan, and is taken out after being respectively soaked for five days, and the stripping force is tested to judge the acid and alkali resistance.
The test data are as follows:
| breaking Strength/N | Modulus of rupture/MPA | Corrosion resistance/% | |
| Example 1 | 1230 | 135 | 98 |
| Reinspection | 1220 | 126 | 99 |
| Comparative example 1 | 826 | 42 | 56.5 |
Through experimental comparison, the nonmetal cured composite pipe prepared by the invention fully exerts the advantages of light weight and high strength of the fiber composite material, overcomes the defect of insufficient rigidity, and has good strength, rigidity and comprehensive performance and simple working procedures.
Synthesize above, can combine pultrusion and plait form weaving technique to structurally make the vertical netted design of hoop, adopt long glass fiber and resin material to draw the shaping through weaving in succession, the shape of product pipe is cylindrical or square, and the surface is plait form texture smooth surface, and the rigidity is big, and intensity is high, has fine flexibility, is favorable to the installation of pipeline, and corrosion-resistant, and long service life has improved product comprehensive properties greatly, the cost is reduced.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A non-metal cured composite pipe is characterized in that: including core pipe (100), the fine woven mesh of first glass (110), the fine woven mesh of second glass (120), the fine woven mesh of third glass (130) and the fine woven mesh of fourth glass (140), the winding of circumference outer wall of core pipe (100) the fine woven mesh of first glass (110), the circumference outer wall bonding of the fine woven mesh of first glass (110) the fine woven mesh of second glass (120), the circumference outer wall bonding of the fine woven mesh of second glass (120) the fine woven mesh of third glass (130), the circumference outer wall bonding of the fine woven mesh of third glass (130) the fine woven mesh of fourth glass (140).
2. The non-metallic cured composite pipe of claim 1, wherein: the shape of the core tube (100) can be a cylinder or a rectangle, and the inner wall and the outer wall of the core tube (100) are smooth.
3. The non-metallic cured composite pipe of claim 1, wherein: the glass fiber woven mesh is characterized in that the shape of the first glass fiber woven mesh (110), the second glass fiber woven mesh (120), the third glass fiber woven mesh (130) and the fourth glass fiber woven mesh (140) adopts a ring longitudinal net design, and the materials are long glass fibers and resin materials which are formed by continuously weaving and drawing.
4. The non-metallic cured composite pipe of claim 1, wherein: the number of layers of the first glass fiber woven mesh (110), the second glass fiber woven mesh (120), the third glass fiber woven mesh (130) and the fourth glass fiber woven mesh (140) can be increased according to requirements.
5. A method of producing a non-metallic cured composite pipe according to any of claims 1 to 4, wherein: the production method of the non-metal cured composite pipe comprises the following steps:
s1: arranging a core tube: the core pipe (100) is internally arranged according to an inner diameter structure, and the size error range is controlled to be +/-0.1 cm;
s2: one layer preparation: the glass fiber woven net is continuously woven outside the core pipe (100), a first glass fiber yarn weaving unit is utilized to enable the first glass fiber woven net (110) to form a circular net, resin is then invaded into the circular net to be continuously woven outside the core pipe (100), the first glass fiber yarn weaving unit is used for walking at a constant speed, alternately and continuously laying and arranging for a circle, a fiber yarn structure layer is longitudinally extended along the pipe wall, the fiber yarn structure layer is continuously wound or woven along the pipe wall to form alternate composite layers to form a glass fiber reinforced plastic pipe wall, and the core pipe (100) is pulled out after solidification;
s3: two-layer preparation: the second glass fiber yarn knitting machine, the second traction walking and the second glue spraying device are utilized to repeat the action of S2 on the circumferential outer wall of the finished product S2;
s4: three-layer preparation: the method comprises three-layer weaving, third traction walking and a third glue spraying device, wherein the third glass fiber yarn weaving machine, the second traction walking and the second glue spraying device are used for repeating S3 actions on the circumferential outer wall of a finished product S3, equipment can be additionally arranged according to the layer number requirement of actual production in a preparation action mode, glass fiber layers which are connected in a braided-type equidistant crossing arrangement mode are woven on the circumferential outer wall of a core pipe (100) through a glass fiber yarn weaving machine, a built-up backflow pipeline is arranged in the glue spraying device, a prepared unsaturated resin material is uniformly sprayed on the surface of the core pipe through a high-pressure pump, and glue is required to be sprayed layer by layer;
s5: sizing, heating and curing: the soft composite material after glue spraying is dragged into a fixed die cavity through hydraulic circulation, a fiber felt reinforcing material structure of an inner surface layer is continuously coated and laid, after resin is soaked, when alternate composite layers are continuously laid, a sleeve die is used for continuous extrusion and reshaping, the preforming effect is achieved, when a finished product passes through a sizing heating and curing section, the finished product is cured and formed under the heating action, the curing temperature is 130-180 ℃, and the time is 30-50 min;
s6: sawing the finished product at fixed length: after the length of the finished product is measured, the finished product is cut into finished products according to the design length requirement by positioning and tracking a cutting machine through a rotary encoder;
s7: and (4) finished product inspection and warehousing: to finished product inspection, unqualified product need be done over again, and qualified product carries out the external packaging to carry out the surface sign, inspect the surface sign: name, model, specification, year and rice standard; the printed characters are clear and firm, and have no error printing and missing printing.
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| CN201910706121.0A CN110778805A (en) | 2019-08-01 | 2019-08-01 | Non-metal cured composite pipe and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873898A (en) * | 2020-12-28 | 2021-06-01 | 湖南光启新能源科技发展有限公司 | Device for efficiently weaving formed carbon fiber tube and forming method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110644A (en) * | 1988-02-28 | 1992-05-05 | Institut Francais Du Petrole Et Aerospatiale | Composition material tube substantially insensitive to the variations of length under the effect of the internal pressure |
| CN1786538A (en) * | 2004-12-09 | 2006-06-14 | 甘国工 | Method and apparatus for mfg. screw winded or braided steel wire enhanced composite plastic pipe material |
| CN101328993A (en) * | 2007-08-17 | 2008-12-24 | 大连宇星净水设备有限公司 | Glass fiber reinforced plastic pressure pipe and preparing method thereof |
| CN102777708A (en) * | 2012-07-25 | 2012-11-14 | 广东宝通玻璃钢有限公司 | Fiber-woven pultrusion pipeline and production method |
| CN103016856A (en) * | 2012-11-30 | 2013-04-03 | 浙江伟星新型建材股份有限公司 | Fiber mesh tape-wound and reinforced composite pipe, preparation process and device |
-
2019
- 2019-08-01 CN CN201910706121.0A patent/CN110778805A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110644A (en) * | 1988-02-28 | 1992-05-05 | Institut Francais Du Petrole Et Aerospatiale | Composition material tube substantially insensitive to the variations of length under the effect of the internal pressure |
| CN1786538A (en) * | 2004-12-09 | 2006-06-14 | 甘国工 | Method and apparatus for mfg. screw winded or braided steel wire enhanced composite plastic pipe material |
| CN101328993A (en) * | 2007-08-17 | 2008-12-24 | 大连宇星净水设备有限公司 | Glass fiber reinforced plastic pressure pipe and preparing method thereof |
| CN102777708A (en) * | 2012-07-25 | 2012-11-14 | 广东宝通玻璃钢有限公司 | Fiber-woven pultrusion pipeline and production method |
| CN103016856A (en) * | 2012-11-30 | 2013-04-03 | 浙江伟星新型建材股份有限公司 | Fiber mesh tape-wound and reinforced composite pipe, preparation process and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873898A (en) * | 2020-12-28 | 2021-06-01 | 湖南光启新能源科技发展有限公司 | Device for efficiently weaving formed carbon fiber tube and forming method thereof |
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