CN212960248U - FRPO composite reinforced hollow winding pipe - Google Patents
FRPO composite reinforced hollow winding pipe Download PDFInfo
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- CN212960248U CN212960248U CN202021277803.9U CN202021277803U CN212960248U CN 212960248 U CN212960248 U CN 212960248U CN 202021277803 U CN202021277803 U CN 202021277803U CN 212960248 U CN212960248 U CN 212960248U
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Abstract
The utility model discloses an FRPO compound reinforced hollow winding pipe, which comprises a winding pipe body formed by winding a rectangular pipe, wherein the smoothness of the inner wall and the outer wall of the winding pipe body is Ra0.012-Ra0.009, and the inner wall and the outer wall of the winding pipe body are respectively provided with a wear-resistant layer and a compression-resistant and stretch-resistant layer; and bonding reinforcing ribs are respectively arranged between two adjacent rectangular pipes in the winding pipe body. The utility model discloses a compound reinforcing cavity winding pipe has high shock resistance, high strength, high abrasion, super corrosion-resistant, the quality is light, simple installation, the through flow is big, advantage such as longe-lived.
Description
Technical Field
The utility model relates to a drainage pipe field especially relates to a FRPO compound reinforcing cavity winding pipe.
Background
At present, in projects such as town drainage, industrial drainage, farmland drainage and the like, common pipelines comprise cement pipes, polyethylene plastic steel wound pipes, HDPE steel belt reinforced corrugated pipes, glass steel pipes and the like, the flexibility and the chemical corrosion resistance of the pipelines are generally poor, the service life is short, and the pipelines are not sanitary and environment-friendly.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a FRPO compound reinforcing cavity winding pipe has high impact resistance, high strength, high wear-resisting, super corrosion-resistant, the quality is light, simple installation, the through flow is big, advantage such as longe-lived.
The technical scheme of the utility model is that:
an FRPO composite reinforced hollow winding pipe comprises a winding pipe body formed by winding a rectangular pipe, wherein the smoothness of the inner wall and the outer wall of the winding pipe body is Ra0.012-Ra0.009, and the inner wall and the outer wall of the winding pipe body are respectively provided with a wear-resistant layer and a compression-resistant and stretching-resistant layer; and bonding reinforcing ribs are respectively arranged between two adjacent rectangular pipes in the winding pipe body.
In a further technical scheme, the wear-resistant layer is a modified polyolefin wear-resistant material.
In a further technical scheme, the compression-resistant and tensile-resistant layer is made of a polypropylene material.
In a further technical scheme, the winding pipe body is made of wear-resistant polypropylene materials.
The working principle of the technical scheme is as follows:
the utility model is made into a rectangular tube by blending high polymers such as polypropylene materials, nano materials, bulking agents and the like and hot-melting double-layer composite extrusion of modified polyolefin wear-resistant materials, and then the rectangular tube is wound into a winding tube body to be made into an FRPO composite reinforced hollow winding tube; the unique production process adopts the I-steel principle to resist pressure, the inner wall and the outer wall of the pipeline are smooth and flat, and the modified polyolefin wear-resistant material is added into the wear-resistant layer on the inner wall of the pipeline, so that the wear resistance and the corrosion resistance of the pipeline are enhanced, and the service life of the pipeline is prolonged; the outer wall is reinforced by polypropylene secondary composite winding, so that the bending resistance, tensile resistance and internal pressure bearing of the pipe are greatly improved. The utility model discloses a compound reinforcing cavity winding pipe combines good properties such as corrosion-resistant, stand wear and tear and the pliability of high rigidity, high strength and plastics, and this tubular product is applicable to and carries the medium temperature for a long time and bury projects such as town drainage, industry drainage and farmland drainage under the non-pressure or low pressure (0.4Mpa) of 45 ℃. The composite pipe has the advantages of corrosion resistance, light weight, simple and convenient installation, large flow rate, long service life (60 years) and the like, can replace the pipe made of high-energy-consumption materials (cement, cast iron, ceramic and the like), and belongs to an environment-friendly green product.
The utility model discloses the connected mode of tubular product is: for the pipe with the pipe diameter of DN200-DN1200, flexible socket connection (rubber ring or electric melting) is adopted, and the pipe with the pipe diameter of DN1200 or above adopts socket internal welding connection, Hough type hoop flexible connection and other modes.
The utility model has the advantages that:
1. aging resistance: the ultraviolet resistance and the oxidation and aging resistance are superior to those of the polyethylene corrugated pipe, and the service life is longer;
2. the rigidity is good: the weight is better than that of a polyethylene PE winding structure pipe under the condition of the same weight;
3. the toughness is good: under the condition that the price of the common PE corrugated pipe on the market is the same, the FRPO composite reinforced hollow winding pipe has the advantages that the impact strength, low temperature resistance, weather resistance and point load resistance are 30-60% higher than those of the common PE corrugated pipe on the market, the PVC corrugated pipe on the market is improved by 100-400%, and the low temperature high energy weight impact standard is 2.4 times higher than that of the international PE corrugated pipe;
4. the environmental protection property is good: the environment is not polluted, the soil is not polluted, and toxic and harmful gases are not emitted;
5. the corrosion resistance and the abrasion resistance are good: the material is acid-base resistant and corrosion resistant, is insoluble in water under any condition, and has the wear resistance 10 times that of a PE material;
6. the compressive resistance is good: the flat test is pressed to the inner diameter of more than 50 percent, the foundation is not cracked and layered, the risk of settlement and brittle fracture of the foundation is prevented from being higher, and the flow is ensured to be lasting and smooth; the internal pressure can bear more than 0.4 Mpa;
7. the modulus is high: the bending elastic modulus and the bending strength are improved by 60 to 100 percent compared with the PE corrugated pipe, and the long-term strength of the product is better.
Drawings
Fig. 1 is a longitudinal cross-sectional view of an FRPO composite reinforced hollow wound pipe according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of the FRPO composite reinforced hollow winding pipe wall according to the embodiment of the present invention.
Description of reference numerals:
1. a rectangular tube; 2. bonding reinforcing ribs; 3. a wear layer; 4. a compression resistant tensile layer.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example (b):
as shown in fig. 1 and 2, an FRPO composite reinforced hollow winding pipe comprises a winding pipe body formed by winding a rectangular pipe 1, wherein a wear-resistant layer 3 and a compression-resistant and stretch-resistant layer 4 are respectively arranged on the inner wall and the outer wall of the winding pipe body, the wear-resistant layer 3 is a modified polyolefin wear-resistant material, the compression-resistant and stretch-resistant layer 4 is a polypropylene material, and the rectangular pipe 1 is made of polypropylene material, nano material, glass fiber material and compatibilizer.
In another embodiment, the inner and outer walls of the wound pipe body have a smoothness of Ra0.012-Ra0.009.
In another embodiment, as shown in fig. 2, bonding reinforcing ribs 2 are respectively arranged between two adjacent rectangular pipes 1 inside the winding pipe body.
In another embodiment, the rectangular tube stock further comprises hydroxyethyl acrylate, an antioxidant, and a heat stabilizer.
In another embodiment, the raw material of the rectangular tube further comprises a powder filler, and the powder filler is inorganic mineral powder with a flaky, spherical, cubic or fibrous structure.
In another embodiment, the powder filler is one or more of calcium carbonate, talc, kaolin, mica, graphite powder, wollastonite, glass microspheres, diatomaceous earth, and glass fibers.
In another embodiment, the material of the rectangular tube further comprises water-absorbing master batches.
In another embodiment, the material of the rectangular tube further comprises calcium sulfate.
In another embodiment, the weight parts of the raw materials of the rectangular tube are as follows: 100 parts of polypropylene material, 8-10 parts of nano material, 8-10 parts of glass fiber material, 1-3 parts of compatibilizer, 30-40 parts of hydroxyethyl acrylate, 2-3 parts of antioxidant, 2-3 parts of heat stabilizer, 5-6 parts of powder filler, 4-6 parts of water-absorbing master batch and 5-8 parts of calcium sulfate.
In another embodiment, the weight parts of the raw materials of the rectangular tube are as follows: 100 parts of polypropylene material, 10 parts of nano material, 10 parts of glass fiber material, 2 parts of compatibilizer, 35 parts of hydroxyethyl acrylate, 2 parts of antioxidant, 2 parts of heat stabilizer, 5 parts of powder filler, 5 parts of water-absorbing master batch and 7 parts of calcium sulfate.
In another embodiment, the weight parts of the raw materials of the rectangular tube are as follows: 100 parts of polypropylene material, 8 parts of nano material, 8 parts of glass fiber material, 1 part of compatibilizer, 30 parts of hydroxyethyl acrylate, 2 parts of antioxidant, 2 parts of heat stabilizer, 5 parts of powder filler, 4 parts of water-absorbing master batch and 5 parts of calcium sulfate.
In another embodiment, the weight parts of the raw materials of the rectangular tube are as follows: 100 parts of polypropylene material, 10 parts of nano material, 10 parts of glass fiber material, 3 parts of compatibilizer, 40 parts of hydroxyethyl acrylate, 3 parts of antioxidant, 3 parts of heat stabilizer, 6 parts of powder filler, 6 parts of water-absorbing master batch and 8 parts of calcium sulfate.
The preparation method of the FRPO composite reinforced hollow winding pipe comprises the following steps:
s1, mixing a polypropylene material: nano materials: glass fiber material: compatibilizer 100: 8-10: 8-10: 1-3, and adopting a double-screw extruder to carry out polymer blending, wherein the temperature of a charging barrel of the extruder is as follows: the first stage is 210 ℃, the second stage is 215 ℃, and the third stage is 210 ℃; the length-diameter ratio of the screw is 25: 1; the rotating speed of the screw is 120 r/min-160 r/min;
s2, performing hot-melt double-layer composite extrusion on the blend and the adhesive material to prepare a reinforced rectangular pipe 1;
s3, preparing the modified polyolefin wear-resistant material into a plate, and winding the plate on a forming machine to form a pipeline inner wall wear-resistant layer 3;
s4, winding the reinforcing rectangular pipe 1 on the wear-resistant layer 3 on the inner wall of the pipeline through the bonding reinforcing ribs 2 to form a winding pipe body;
s5, performing secondary composite winding reinforcement on the outer wall of the winding pipe body by adopting a polypropylene material, and preparing the compression-resistant and stretch-resistant layer 4 to obtain the composite reinforced hollow winding pipe.
In step S1, the mass ratio of the polypropylene material, the nanomaterial, the glass fiber material, and the compatibilizer is preferably 100: 10: 10: 2.
in the embodiment, a rectangular tube is manufactured by blending high polymers such as polypropylene materials, nano materials and compatibilizers and hot-melting double-layer composite extrusion of modified polyolefin wear-resistant materials, and then the rectangular tube is wound into a winding tube body to manufacture an FRPO composite reinforced hollow winding tube which plays a role in hollow bonding reinforcing ribs; the unique production process adopts the I-steel principle to resist pressure, the inner wall and the outer wall of the pipeline are smooth and flat, and the modified polyolefin wear-resistant material is added into the wear-resistant layer on the inner wall of the pipeline, so that the wear resistance and the corrosion resistance of the pipeline are enhanced, and the service life of the pipeline is prolonged; the outer wall is reinforced by polypropylene secondary composite winding, so that the bending resistance, tensile resistance and internal pressure bearing of the pipe are greatly improved. The utility model discloses a compound reinforcing cavity winding pipe combines good properties such as corrosion-resistant, stand wear and tear and the pliability of high rigidity, high strength and plastics, and this tubular product is applicable to and carries the medium temperature for a long time and bury projects such as town drainage, industry drainage and farmland drainage under the non-pressure or low pressure (0.4Mpa) of 45 ℃. The composite pipe has the advantages of corrosion resistance, light weight, simple and convenient installation, large flow rate, long service life (60 years) and the like, can replace the pipe made of high-energy-consumption materials (cement, cast iron, ceramic and the like), and belongs to an environment-friendly green product.
The connection mode of the pipe of the embodiment is as follows: for the pipe with the pipe diameter of DN200-DN1200, flexible socket connection (rubber ring or electric melting) is adopted, and the pipe with the pipe diameter of DN1200 or above adopts socket internal welding connection, Hough type hoop flexible connection and other modes.
The performance of the FRPO composite reinforced hollow winding pipe of this example was compared with other pipes as follows:
the cement pipe is most commonly used in projects such as town drainage, industrial drainage, farmland drainage and the like, and the detailed performance comparison of the FRPO composite reinforced hollow winding pipe and the cement pipe is as follows:
the above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. An FRPO composite reinforced hollow winding pipe is characterized by comprising a winding pipe body formed by winding a rectangular pipe, wherein the smoothness of the inner wall and the outer wall of the winding pipe body is Ra0.012-Ra0.009, and the inner wall and the outer wall of the winding pipe body are respectively provided with a wear-resistant layer and a compression-resistant stretch-resistant layer; and bonding reinforcing ribs are respectively arranged between two adjacent rectangular pipes in the winding pipe body.
2. The FRPO composite reinforced hollow wound pipe of claim 1, wherein the abrasion resistant layer is a modified polyolefin abrasion resistant material.
3. The FRPO composite reinforced hollow wound pipe of claim 1, wherein the compression and tensile resistant layer is a polypropylene material.
4. The FRPO composite reinforced hollow winding pipe of claim 1, wherein the winding pipe body is a wear resistant polypropylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021277803.9U CN212960248U (en) | 2020-07-03 | 2020-07-03 | FRPO composite reinforced hollow winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021277803.9U CN212960248U (en) | 2020-07-03 | 2020-07-03 | FRPO composite reinforced hollow winding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212960248U true CN212960248U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021277803.9U Active CN212960248U (en) | 2020-07-03 | 2020-07-03 | FRPO composite reinforced hollow winding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212960248U (en) |
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2020
- 2020-07-03 CN CN202021277803.9U patent/CN212960248U/en active Active
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