CN103741340A - High-strength trenchless pipeline repairing material and production method thereof - Google Patents
High-strength trenchless pipeline repairing material and production method thereof Download PDFInfo
- Publication number
- CN103741340A CN103741340A CN201410019639.4A CN201410019639A CN103741340A CN 103741340 A CN103741340 A CN 103741340A CN 201410019639 A CN201410019639 A CN 201410019639A CN 103741340 A CN103741340 A CN 103741340A
- Authority
- CN
- China
- Prior art keywords
- strength
- repairing material
- pipeline repairing
- composite
- fabric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a high-strength trenchless pipeline repairing material and a production method thereof. The high-strength trenchless pipeline repairing material is used for trenchless repairing of buried pipelines. The tensile strength of the material is not less than 10000N/5cm. The high-strength trenchless pipeline repairing material is a composite material composed of framework fabric and a waterproof surface layer. The framework fabric is made of high-strength dacron. The surface layer is made of a thermoplastic polyurethane elastic material. The composite material is spliced according to dimensional requirements to form the finished pipeline repairing material. The high-strength trenchless pipeline repairing material has the advantages that the repairing material is high in strength, free from pulling-caused deformation during constructing and mounting, non-poisonous, pollution-free, capable of meeting food level requirements, safe to use and produce, harmless to human bodies, excellent in wear resistance, scraping and rubbing resistant and long in service life.
Description
Technical field
The invention belongs to pipeline rehabilitation Material Field, relate to a kind of high-strength non-digging pipeline repairing material and manufacture method thereof, be mainly used in the non-excavation pipeline rehabilitation of high strength (breaking >=10000N/5cm) of the buried damaged pipe in city.
Background technology
Urban buried pipeline, as water supply line, gas piping and sewer etc., because design is improper, neglect the aging of management and pipeline (particularly steel pipe), often has damaged condition to occur.Traditional restorative procedure excavates road surface exactly, repairs or changes damaged pipe, and then filling up road surface, and excavation construction can cause many-sided adverse effect to society and environment, due to manifesting of the numerous drawbacks of traditional excavation technology, trenchless technology is arisen at the historic moment.Non-excavating underground pipe line recovery technique is the new technology that a kind of underground piping is repaired, and this technology does not need full-face tunneling road surface, has avoided traffic to be obstructed, the intrinsic problems of conventional restorative procedure such as environmental disruption, the wasting of resources.
Cured in place liner method cured in place pipe (CIPP), also claim inversion method, be current most popular non-excavation pipeline rehabilitation construction method, be applicable to the reparation of the various pipes such as caliber 50 ~ 2700mm cast iron pipe, steel pipe, pipe of concrete, pipe of cement and asbestos pipe.Its repair method is: the anti-local excavation place that is fixed on ground of turning over, one end that filling is had to the tubular composite material of resinoid bond, adopt the methods such as hydraulic pressure, hydraulic pressure upset or traction to push and turn over lining, sent into old pipe interior and be close on old inner-walls of duct, after resin solidification moulding, tubular composite material forms new internal lining pipe in pipe, thereby realizes the prevention and restoration to old pipeline.
Obviously, when adopting trenchless technology to carry out buried damaged pipe, repair, while turning over lining construction, described inner lining material will become " blooming " straight state from the curling state of atrophy, bear powerful mechanicals efforts and complicated stress and distortion, the tubular composite material (being pipeline repairing material) therefore providing must well meet this requirement.
Summary of the invention
The object of the invention is to: a kind of high-strength non-digging pipeline repairing material is provided, and reach >=10000N/5cm of stretch breaking strength, can be used for the reparation of the various buried damaged pipes in city.
A further object of the present invention is: the manufacture method that a kind of high-strength non-digging pipeline repairing material is provided.
The object of the invention is achieved through the following technical solutions: a kind of high-strength non-digging pipeline repairing material, for the non-trenchless rehabilitation of buried pipeline, its stretch breaking strength >=10000N/5cm, the composite being formed by skeleton fabric and the surface layer that has water-proof function, described skeleton fabric is high tenacity polyester fiber fabric; Described surface layer is Polyurethane Thermoplastic Elastomer material, obtains pipeline repairing material finished product after sewing up processing by dimensional requirement.
Skeleton fabric has adopted high tenacity polyester fiber fabric; Capstock has adopted Polyurethane Thermoplastic Elastomer material, and this materials chemistry has good stability, and has the advantages such as water-fast, oil resistant, resistance to solvent, chemical-resistant resistance, wear-resisting and resistance to bacterium.The TENSILE STRENGTH of the prepared pipeline repairing material of the present invention is far beyond common pipeline repairing material product.Have seam crossing smooth, sealing and good mechanical properties, turn over the features such as when lining mechanical execution is easy, and pipe-repairing is effective.
On such scheme basis, described skeleton fabric specification is: thread count: 32 * 10.5/per inch; Warp-wise adopts the high-strength high-shrinkage polyester filament of 1000D/5, turn/rice of twisting 60～80, and yarn S, Z twist with the fingers and are spaced; Broadwise adopts the high-strength middle contracting polyester filament of 1000D/5, twisting: 60～80 turn/rice; The institutional framework of skeleton fabric is P2/2 brokentwlllweave, and product final thickness is 1.4～1.6 mm.
The invention provides a kind of manufacture method of high-strength non-digging pipeline repairing material, in the steps below sequentially:
1), fabric sizing: by the sizing of skeleton fabric process infrared heating oven, 150 ℃～180 ℃ of processing temperatures;
2), primary coat: one side primary coat PU adhesive on the skeleton fabric of sizing, and through infrared heating, 120 ℃～130 ℃ of processing temperatures, form priming coat at the one side of skeleton fabric;
3), apply: on described priming coat, apply 0.1 ~ 0.2mm Polyurethane Thermoplastic Elastomer material, and plastify through infrared heating; 180 ℃～200 ℃ of processing temperatures;
4), calendering: utilize rolling equipment that Polyurethane Thermoplastic Elastomer material is rolled to coat surface, form table
Surface layer, 180 ℃～200 ℃ of processing temperatures, the thickness of superficial layer, at 0.7～0.9mm, obtains composite;
5), after being cut, weld, sewed up by customer requirement size, composite gets product.
The manufacturing technique of product of the present invention is simple, constant product quality, is convenient to suitability for industrialized production.
On such scheme basis, described manufacture method adopts successively to apply and roll two kinds of techniques and on described priming coat, is covered with 2 kinds of different thermoplastic polyurethane elastomer materials as surface layer, and processing temperature is 180 ℃～200 ℃.
On such scheme basis, it is composite to be cut to back plane docking sew up that described sewing up processed, during stitching, the plane stitching portion that ready made film is laid in to this composite joining edge, pre-fixes with heat gun, then hot air welding, heat pressure adhesive, 180 ℃～200 ℃ of processing temperatures.Smooth and the good sealing effect of seam crossing.
The invention has the beneficial effects as follows:
1, high strength pipe repair materials intensity of the present invention large (>=10000N/5cm), pulls indeformable when constructability is installed.
2, material non-toxic of the present invention, pollution-free, meets food rank, uses and make safety, harmless.
3, pipeline repairing material anti-wear performance of the present invention is excellent, scratch resistance, wiping, long service life.
Accompanying drawing explanation
Accompanying drawing 1: the process chart of high strength pipe repair materials.
The specific embodiment
Embodiment 1
A kind of high-strength non-digging pipeline repairing material, for the non-trenchless rehabilitation of buried pipeline, it is characterized in that: its stretch breaking strength >=10000N/5cm, the composite being formed by skeleton fabric and the surface layer that has water-proof function, described skeleton fabric is high tenacity polyester fiber fabric; Described surface layer is Polyurethane Thermoplastic Elastomer material, obtains finished product after sewing up processing by dimensional requirement.The concrete specification of skeleton fabric is: thread count: 32 * 10.5/per inch; Warp-wise adopts the high-strength high-shrinkage polyester filament of 1000D/5, turn/rice of twisting 60～80, and yarn S, Z twist with the fingers and are spaced; Broadwise adopts the high-strength middle contracting polyester filament of 1000D/5, twisting: 60～80 turn/rice; The institutional framework of fabric is P2/2 brokentwlllweave, and product final thickness is 1.4～1.6 mm.
Manufacture production procedure of the present invention as shown in Figure 1, is sequentially:
1, fabric sizing: skeleton fabric is shaped through infrared heating oven; 150 ℃～180 ℃ of processing temperatures
2, primary coat: at the fabric upper surface primary coat PU adhesive (commercially available) of sizing, and through infrared heating oven heating, 120 ℃～130 ℃ formation priming coats of processing temperature;
3, apply: on priming coat, apply 0.1 ~ 0.2mm thermoplastic polyurethane elastomer powder, and through infrared heating oven heating plasticizing; 180 ℃～200 ℃ of processing temperatures; Have a shave;
4, calendering: utilize rolling equipment that Polyurethane Thermoplastic Elastomer material is rolled to coat surface, form table
Surface layer, 180 ℃～200 ℃ of processing temperatures, the thickness of superficial layer, at 0.7～0.9mm, obtains composite;
5, composite is cut by customer requirement size, soldered gets togather and gets product, wherein, composite cuts back plane docking and sews up, and during stitching, ready made film is laid in to the plane stitching portion of this composite joining edge, with heat gun, pre-fix, then hot air welding heat pressure adhesive is good, and 180 ℃～200 ℃ of processing temperatures get final product to obtain high-strength non-digging pipeline repairing material of the present invention.
Gained pipeline repairing material outward appearance is even, and consistency of thickness does not splice vestige, and whole structure is good.
Adopt the prepared pipeline repairing material of the embodiment of the present invention and common tubulose woven fabric liner to meet material (being pipeline repairing material) performance comparison, result of the test is listed in the table below 1:
Test shows, the TENSILE STRENGTH of the prepared pipeline repairing material of the present invention is far beyond common pipeline repairing material product.
Claims (5)
1. a high-strength non-digging pipeline repairing material, for the non-trenchless rehabilitation of buried pipeline, it is characterized in that: its stretch breaking strength >=10000N/5cm, the composite being formed by skeleton fabric and the surface layer that has water-proof function, described skeleton fabric is high tenacity polyester fiber fabric; Described surface layer is Polyurethane Thermoplastic Elastomer material, and described composite obtains pipeline repairing material finished product after sewing up processing by dimensional requirement.
2. high-strength non-digging pipeline repairing material according to claim 1, is characterized in that, described skeleton fabric specification is: thread count: 32 * 10.5/per inch; Warp-wise adopts the high-strength high-shrinkage polyester filament of 1000D/5, turn/rice of twisting 60～80, and yarn S, Z twist with the fingers and are spaced; Broadwise adopts the high-strength middle contracting polyester filament of 1000D/5, twisting: 60～80 turn/rice; The institutional framework of skeleton fabric is P2/2 brokentwlllweave, and product final thickness is 1.4～1.6 mm.
3. according to the manufacture method of the high-strength non-digging pipeline repairing material described in claim 1 to 2, in the steps below sequentially:
1), fabric sizing: by the sizing of skeleton fabric process infrared heating oven, 150 ℃～180 ℃ of processing temperatures;
2), primary coat: one side primary coat PU adhesive on the skeleton fabric of sizing, and through infrared heating, 120 ℃～130 ℃ of processing temperatures, form priming coat at the one side of skeleton fabric;
3), apply: on described priming coat, apply 0.1 ~ 0.2mm Polyurethane Thermoplastic Elastomer material, and plastify through infrared heating; 180 ℃～200 ℃ of processing temperatures;
4), calendering: utilize rolling equipment that Polyurethane Thermoplastic Elastomer material is rolled to coat surface, form table
Surface layer, 180 ℃～200 ℃ of processing temperatures, the thickness of superficial layer, at 0.7～0.9mm, obtains composite;
5), after being cut, weld, sewed up by customer requirement size, composite gets product.
4. the manufacture method of high-strength non-digging pipeline repairing material according to claim 3, it is characterized in that: described manufacture method adopts coating, calendering technology on described priming coat, to be covered with 2 kinds of different thermoplastic polyurethane elastomer materials as surface layer successively, and processing temperature is 180 ℃～200 ℃.
5. the manufacture method of high-strength non-digging pipeline repairing material according to claim 1, it is characterized in that: it is composite to be cut to back plane docking sew up that described sewing up processed, during stitching, ready made film is laid in to the plane stitching portion of this composite joining edge, with heat gun, pre-fix, then hot air welding, heat pressure adhesive, 180 ℃～200 ℃ of processing temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019639.4A CN103741340A (en) | 2014-01-16 | 2014-01-16 | High-strength trenchless pipeline repairing material and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019639.4A CN103741340A (en) | 2014-01-16 | 2014-01-16 | High-strength trenchless pipeline repairing material and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103741340A true CN103741340A (en) | 2014-04-23 |
Family
ID=50498401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410019639.4A Pending CN103741340A (en) | 2014-01-16 | 2014-01-16 | High-strength trenchless pipeline repairing material and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103741340A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856584A (en) * | 2016-04-14 | 2016-08-17 | 绍兴文理学院 | Fabric reinforced composite material for trenchless pipeline rehabilitation and preparation method thereof |
| CN106634510A (en) * | 2016-12-06 | 2017-05-10 | 上海华谊精细化工有限公司 | Trenchless wading pipeline inner wall repair material and preparation method thereof |
| CN110158956A (en) * | 2018-02-11 | 2019-08-23 | 孙双林 | A kind of construction method and its application of thermoplastic polyurethane material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI78868B (en) * | 1982-07-24 | 1989-06-30 | Bayer Ag | BELAGT KOMBINATIONSMATERIAL, ETT FOERFARANDE FOER DESS FRAMSTAELLNING OCH DESS ANVAENDNING FOER FODRANDE AV ROER. |
| EP0803343A1 (en) * | 1995-11-09 | 1997-10-29 | Ashimori Industry Co., Ltd. | Conduit lining material and method of manufacturing the same |
| JP2000177010A (en) * | 1998-12-15 | 2000-06-27 | Shonan Gosei Jushi Seisakusho:Kk | Pipe lining material and pipe lining method |
| CN101613954A (en) * | 2009-06-09 | 2009-12-30 | 北京天环燃气有限公司 | A kind of lining material for repairing pipelines and manufacture method thereof |
| CN201531710U (en) * | 2009-06-09 | 2010-07-21 | 北京天环燃气有限公司 | Lining pipe for repairing pipelines |
| CN102275358A (en) * | 2011-06-21 | 2011-12-14 | 上海永利带业股份有限公司 | TPU (thermoplastic polyurethane elastomer) composite for pipe mending and preparation method thereof |
-
2014
- 2014-01-16 CN CN201410019639.4A patent/CN103741340A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI78868B (en) * | 1982-07-24 | 1989-06-30 | Bayer Ag | BELAGT KOMBINATIONSMATERIAL, ETT FOERFARANDE FOER DESS FRAMSTAELLNING OCH DESS ANVAENDNING FOER FODRANDE AV ROER. |
| EP0803343A1 (en) * | 1995-11-09 | 1997-10-29 | Ashimori Industry Co., Ltd. | Conduit lining material and method of manufacturing the same |
| JP2000177010A (en) * | 1998-12-15 | 2000-06-27 | Shonan Gosei Jushi Seisakusho:Kk | Pipe lining material and pipe lining method |
| CN101613954A (en) * | 2009-06-09 | 2009-12-30 | 北京天环燃气有限公司 | A kind of lining material for repairing pipelines and manufacture method thereof |
| CN201531710U (en) * | 2009-06-09 | 2010-07-21 | 北京天环燃气有限公司 | Lining pipe for repairing pipelines |
| CN102275358A (en) * | 2011-06-21 | 2011-12-14 | 上海永利带业股份有限公司 | TPU (thermoplastic polyurethane elastomer) composite for pipe mending and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张淑洁等: "用于管道翻衬修复技术中的管状纺织复合材料研究", 《天津工业大学学报》, no. 03, 25 June 2007 (2007-06-25) * |
| 王瑞等: "管道修复用管状纺织复合材料的力学性能", 《纺织学报》, no. 06, 15 June 2007 (2007-06-15) * |
| 赵康等: "管状机织物的新应用", 《福建轻纺》, no. 04, 25 April 2009 (2009-04-25) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856584A (en) * | 2016-04-14 | 2016-08-17 | 绍兴文理学院 | Fabric reinforced composite material for trenchless pipeline rehabilitation and preparation method thereof |
| CN105856584B (en) * | 2016-04-14 | 2018-01-16 | 绍兴文理学院 | A kind of no-dig technique pipeline rehabilitation fabric reinforced composite and preparation method thereof |
| CN106634510A (en) * | 2016-12-06 | 2017-05-10 | 上海华谊精细化工有限公司 | Trenchless wading pipeline inner wall repair material and preparation method thereof |
| CN106634510B (en) * | 2016-12-06 | 2020-06-02 | 上海华谊精细化工有限公司 | Trenchless wading pipeline inner wall repair material and preparation method thereof |
| CN110158956A (en) * | 2018-02-11 | 2019-08-23 | 孙双林 | A kind of construction method and its application of thermoplastic polyurethane material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201836594U (en) | Lining hose for cured-in-place trenchless underground pipe rehabilitation | |
| CN101205999B (en) | Renovation reinforcement, reinforced and/or crack arrest technique for pipe | |
| CN101206000B (en) | Method for renovation and reinforcement of pipe using basalt fibre complex material | |
| CN105257947B (en) | A kind of large-diameter pipeline inverted liner construction method | |
| US11946584B2 (en) | Composite insulation system | |
| WO2017143954A1 (en) | Flexible composite lining pipe | |
| CN202660148U (en) | Pipeline repaired and reinforced by fiber composite cloth | |
| CN103741340A (en) | High-strength trenchless pipeline repairing material and production method thereof | |
| CN104633377A (en) | High-pressure glass fiber pipe installation and pipe breaking maintaining device and process method | |
| RU148064U1 (en) | UNIVERSAL CONE COUPLING | |
| CN111720657A (en) | Structural repair method for FIPP pipeline | |
| CN113507087B (en) | Corrosion-resistant anti-aging MPP electric power pipe with self-repairing function | |
| CN101943307A (en) | Anticorrosive structure penetrating through external anticorrosive layer of pipe and preparation method thereof | |
| CN202327484U (en) | High-density polyethylene pipe material | |
| CN207034456U (en) | Sizing reinforcing device at a kind of steel-plastics composite pipe electromagnetism joint made by flame welding | |
| CN202402883U (en) | Composite pipeline for pipeline repair | |
| CN203585617U (en) | Glass reinforced plastic sleeve joint | |
| CN205207932U (en) | Inner groove electrothermal welding socket joint formula steel band bellows of heavy -calibre | |
| CN110939820A (en) | Connecting method for pipeline repairing layer by non-excavation pipeline lining method | |
| CN203628139U (en) | High-pressure fiberglass pipeline installing and damage maintenance device | |
| CN214119351U (en) | Lining hose for underground pipeline trenchless repair | |
| JP2012131218A (en) | Lining material | |
| CN205078934U (en) | Interior ladder way electrothermal welding socket joint formula steel band bellows of heavy -calibre | |
| CN101280872B (en) | Tubular nonwoven compound material and manufacturing method thereof | |
| JP6009754B2 (en) | Rehabilitation pipe and method for forming the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140423 |