CN219912085U - In-situ curing CIPP lining hose formed by continuous winding and braiding - Google Patents
In-situ curing CIPP lining hose formed by continuous winding and braiding Download PDFInfo
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- CN219912085U CN219912085U CN202321177569.6U CN202321177569U CN219912085U CN 219912085 U CN219912085 U CN 219912085U CN 202321177569 U CN202321177569 U CN 202321177569U CN 219912085 U CN219912085 U CN 219912085U
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- glass fiber
- fabric layer
- outer edge
- impermeable
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- 238000004804 winding Methods 0.000 title claims abstract description 14
- 238000009954 braiding Methods 0.000 title claims abstract description 10
- 238000011065 in-situ storage Methods 0.000 title claims description 9
- 102100037978 InaD-like protein Human genes 0.000 title claims 4
- 101150003018 Patj gene Proteins 0.000 title claims 4
- 239000004744 fabric Substances 0.000 claims abstract description 79
- 239000003365 glass fiber Substances 0.000 claims abstract description 68
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 238000009941 weaving Methods 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 4
- 238000009940 knitting Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of CIPP (CIPP-in-place curing) lining hoses for non-excavation lining hoses of water supply and drainage pipelines, in particular to a continuous winding and braiding formed CIPP lining hose. The anti-ultraviolet fabric comprises an inner film layer, wherein a plurality of salient points are processed on the outer edge of the inner film layer, an inner fabric layer is formed by weaving a glass fiber fabric layer and inner glass fiber yarns in an inner fabric layer in a winding manner on the outer edge of the inner film layer, an anti-seepage layer is sleeved on the outer side of the inner fabric layer, a plurality of salient points are processed on the outer edge of the anti-seepage layer, an outer fabric layer is wound on the outer edge of the anti-seepage film layer, an outer fabric layer is formed by weaving the outer glass fiber fabric layer and the outer glass fiber yarns, and an ultraviolet-proof layer is sleeved on the outer side of the outer fabric layer. According to the utility model, the plurality of salient points are processed on the outer edges of the inner membrane layer and the impermeable layer, so that after the inner fabric layer and the outer fabric layer are woven and molded, the salient points on the outer edge of the inner membrane layer can increase the friction resistance between the inner fabric layer and the inner membrane layer, and the salient points on the outer edge of the impermeable layer can increase the friction resistance between the outer fabric layer and the impermeable layer.
Description
Technical Field
The utility model relates to the technical field of CIPP (CIPP-in-place curing) lining hoses for non-excavation lining hoses of water supply and drainage pipelines, in particular to a continuous winding and braiding formed CIPP lining hose.
Background
The traditional lining hose for in-situ curing repair has the characteristics of light weight, high strength, corrosion resistance, no scale formation, small abrasion resistance, large conveying capacity, long service life, low comprehensive engineering cost and the like, and is widely applied to industries such as municipal water conservancy, petrochemical industry, mine metallurgy and the like. But has the disadvantages that: the multi-layer fiber layer of the lining hose is made by adopting a glass fiber stitch-bonded fabric through an axial stitch-bonding process. The lining hose has axial seams, which cause performance degradation easily under the action of long-term mechanical stress and the like, and potential safety hazards are left. And the traditional lining hose for in-situ curing repair generally adopts a lap joint sewing forming process, and the lap joint can cause the problems of uneven wall thickness, different local quality and the like of the lining hose.
Disclosure of Invention
The technical problem to be solved by the utility model is that the production process can avoid producing joints in the axial direction, can avoid producing overlap areas, further ensure the uniformity of the wall thickness of the lining hose, and can ensure the stability of the continuously wound, woven and formed in-situ cured CIPP lining hose under the action of long-term mechanical stress and the like.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the inner fabric layer comprises an inner glass fiber fabric layer and inner glass fiber yarns with the length direction parallel to the axial direction of the inner film layer, the inner glass fiber fabric layer and the inner glass fiber yarns are woven to form the inner fabric layer, an impermeable layer is sleeved outside the inner fabric layer, the outer edge of the impermeable layer is provided with a plurality of salient points, an outer fabric layer is wound on the outer edge of the impermeable film layer, the outer fabric layer is immersed with the matrix material, the outer fabric layer comprises an outer glass fiber fabric layer and outer glass fiber yarns with the length direction parallel to the axial direction of the impermeable layer, the outer fabric layer and the outer glass fiber yarns are woven to form an outer fabric layer, and an ultraviolet-proof layer is sleeved outside the outer fabric layer.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the plurality of salient points are processed on the outer edges of the inner membrane layer and the impermeable layer, so that after the inner fabric layer and the outer fabric layer are woven and molded, the salient points on the outer edge of the inner membrane layer can increase the friction resistance between the inner fabric layer and the inner membrane layer, and the salient points on the outer edge of the impermeable layer can increase the friction resistance between the outer fabric layer and the impermeable layer.
2. Through weaving winding inner fabric layer and outer fabric layer respectively in the inlayer and barrier layer outside, compare with traditional production method, can avoid lining hose axial to produce the seam, can avoid producing overlap joint region, and then guarantee lining hose wall thickness's homogeneity, can guarantee its stability under long-term mechanical stress etc. effect.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
FIG. 2 is a schematic illustration of an inner membrane layer.
The names of the parts in the drawings are as follows:
1. ultraviolet-proof layer
2. Outer fiberglass fabric layer
3. Outer glass fiber yarn
4. Impermeable layer
5. Inner glass fiber fabric layer
6. Inner glass fiber yarn
7. An inner membrane layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, the in-situ curing CIPP lining hose formed by continuous winding and braiding comprises an inner film layer 7, wherein a plurality of protruding points are processed on the outer edge of the inner film layer 7. The bump can be formed by hot-pressing the inner film layer 7 by a mold. The salient points on the outer edge of the inner film layer 7 can increase the friction resistance between the inner fabric layer and the inner film layer 7. PE, TPU, PP, PE and PA co-extrusion materials can be selected as the inner film layer 7 according to the use requirements.
An inner fabric layer is wound on the outer edge of the inner film layer 7, and a matrix material is immersed in the inner fabric layer. The matrix material is unsaturated polyester resin or epoxy resin.
The inner fabric layer comprises an inner glass fiber fabric layer 5 and an inner glass fiber yarn 6 with the length direction parallel to the axial direction of the inner film layer 7. The inner glass fiber fabric layer 5 is woven with the inner glass fiber yarns 6 to form an inner fabric layer.
The inner glass fiber fabric layer 5 is formed by weaving alkali-free glass fiber yarn sheets, and the inner glass fiber yarns 6 are alkali-free glass fiber yarns. The inner fabric layer is formed by continuously knitting and winding alkali-free glass fiber yarn sheets and alkali-free glass fiber yarns. The alkali-free glass fiber yarn sheet and the alkali-free glass fiber yarn are continuously woven and wound to form by using a horizontal braiding machine which is not more than 240 ingots.
In the continuous knitting and winding forming process of the alkali-free glass fiber yarn sheet and the alkali-free glass fiber yarn, an open type dipping tank is adopted to dip unsaturated polyester resin or epoxy resin into the alkali-free glass fiber yarn sheet and the alkali-free glass fiber yarn. After the inner fabric layer is woven, continuously drawing a blank pipe formed by the inner fabric layer and the inner film layer 7 to an outer die cavity by a drawing machine to perform medium-high temperature curing molding on the matrix material in the inner fabric layer.
The outer side of the inner fabric layer is sleeved with an impermeable layer 4. The impermeable layer 4 can be made of PE, PP, PA or PVC materials according to the use requirements. The outer edge of the impermeable layer 4 is provided with a plurality of salient points. The bump can be formed by hot pressing the impermeable layer 4 by a mold. The salient points on the outer edge of the impermeable layer 4 can increase the friction resistance between the outer fabric layer and the impermeable layer 4.
The outer fabric layer is wound on the outer edge of the seepage-proofing film layer, and the matrix material is immersed in the outer fabric layer. The matrix material is unsaturated polyester resin or epoxy resin. The outer fabric layer comprises an outer glass fiber fabric layer 2 and outer glass fiber yarns 3, the length direction of which is parallel to the axial direction of the impermeable layer 4, and the outer glass fiber fabric layer 2 and the outer glass fiber yarns 3 are woven to form the outer fabric layer.
The outer glass fiber fabric layer 2 is formed by weaving alkali-free glass fiber yarn pieces, and the outer glass fiber yarns 3 are alkali-free glass fiber yarns. The outer fabric layer is formed by continuously knitting and winding alkali-free glass fiber yarn sheets and alkali-free glass fiber yarns. The alkali-free glass fiber yarn sheet and the alkali-free glass fiber yarn are continuously woven and wound to form by using a horizontal braiding machine which is not more than 240 ingots.
In the continuous knitting and winding forming process of the alkali-free glass fiber yarn sheet and the alkali-free glass fiber yarn, an open type dipping tank is adopted to dip unsaturated polyester resin or epoxy resin into the alkali-free glass fiber yarn sheet and the alkali-free glass fiber yarn. After the weaving of the outer fabric layer is completed, the blank pipe formed by the outer fabric layer, the seepage-proofing pipe, the inner fabric layer and the inner film layer 7 is continuously pulled to an outer die cavity by a tractor to perform medium-high temperature curing molding on the matrix material in the outer fabric layer.
The width of the alkali-free glass fiber yarn sheet is 10-200 mm, the weaving angle of the alkali-free glass fiber yarn sheet is 15-89 degrees, the number of the outer glass fiber yarns 3 is 20-150, and the number of the inner glass fiber yarns 6 is 20-150.
An ultraviolet-proof layer 1 is sleeved outside the outer fabric layer. The ultraviolet-proof layer 1 can be made of PE, PP, PA or PVC materials according to the requirement.
Through processing a plurality of bumps at inner membranous layer 7 and barrier layer 4 outer fringe, after inner textile layer and outer textile layer weave the shaping, the bump of inner membranous layer 7 outer fringe can increase the frictional resistance of inner textile layer and inner membranous layer 7, and the bump of barrier layer 4 outer fringe can increase the frictional resistance of outer textile layer and barrier layer 4, and structural strength is high after this lining hose machine-shaping. By respectively braiding and winding the inner fabric layer and the outer fabric layer outside the inner film layer 7 and the impermeable layer 4, compared with the traditional production method, the inner liner hose can be prevented from generating joints in the axial direction, overlap areas can be avoided, the uniformity of the wall thickness of the inner liner hose is further ensured, and the stability of the inner liner hose can be ensured under the action of long-term mechanical stress and the like.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (3)
1. The in-situ curing CIPP lining hose is formed by continuously winding and braiding, and comprises an inner membrane layer (7), and is characterized in that a plurality of protruding points are processed on the outer edge of the inner membrane layer (7), an inner fabric layer is wound on the outer edge of the inner membrane layer (7), a matrix material is soaked in the inner fabric layer, the inner fabric layer comprises an inner glass fiber fabric layer (5) and inner glass fiber yarns (6) with the length direction parallel to the axial direction of the inner membrane layer (7), the inner glass fiber fabric layer (5) and the inner glass fiber yarns (6) are braided to form an inner fabric layer, an impermeable layer (4) is sleeved on the outer side of the inner fabric layer, a plurality of protruding points are processed on the outer edge of the impermeable layer (4), an outer fabric layer is wound on the outer edge of the impermeable layer, the matrix material is soaked in the outer fabric layer, the outer fabric layer comprises an outer glass fiber fabric layer (2) and an outer glass fiber yarn (3) with the length direction parallel to the axial direction of the impermeable layer (4), the outer glass fiber fabric layer (2) and the outer glass fiber yarn (3) are braided to form an outer fabric layer, and an ultraviolet-proof layer (1) is sleeved on the outer side of the outer fabric layer; the matrix material is unsaturated polyester resin or epoxy resin.
2. The continuously winding and braiding molded in-situ curing CIPP lining hose according to claim 1, wherein the inner glass fiber fabric layer (5) and the outer glass fiber fabric layer (2) are both braided and molded from alkali-free glass fiber yarn sheets, and the outer glass fiber yarn (3) and the inner glass fiber yarn (6) are both alkali-free glass fiber yarns.
3. The continuously wound and woven in-situ cured CIPP liner hose according to claim 2, wherein the alkali-free glass fiber yarn sheet has a width of 10mm to 200mm, a weaving angle of 15 ° to 89 °, the number of outer glass fiber yarns (3) is 20 to 150, and the number of inner glass fiber yarns (6) is 20 to 150.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321177569.6U CN219912085U (en) | 2023-05-16 | 2023-05-16 | In-situ curing CIPP lining hose formed by continuous winding and braiding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321177569.6U CN219912085U (en) | 2023-05-16 | 2023-05-16 | In-situ curing CIPP lining hose formed by continuous winding and braiding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219912085U true CN219912085U (en) | 2023-10-27 |
Family
ID=88425356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321177569.6U Active CN219912085U (en) | 2023-05-16 | 2023-05-16 | In-situ curing CIPP lining hose formed by continuous winding and braiding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219912085U (en) |
-
2023
- 2023-05-16 CN CN202321177569.6U patent/CN219912085U/en active Active
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