CN205560021U - Rigidity composite pipe structure - Google Patents
Rigidity composite pipe structure Download PDFInfo
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- CN205560021U CN205560021U CN201620189631.7U CN201620189631U CN205560021U CN 205560021 U CN205560021 U CN 205560021U CN 201620189631 U CN201620189631 U CN 201620189631U CN 205560021 U CN205560021 U CN 205560021U
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Abstract
The utility model provides a rigidity composite pipe structure, it includes the structural layer, the structural layer is reinforced concrete pipeline, as the atress structural layer, still includes inner liner and/or outer lining, places in on the inner wall and/or outer wall of structural layer, inner liner and/or outer lining are light cured fiber reinforced composite, this light cured fiber reinforced composite paste and pass through the photocuring and with the structural layer is solid as an organic whole. The utility model provides a composite pipe can reduce because the seepage of concrete cracking initiation to improve the life of pipeline. Furtherly can also prevent pipeline kneck fracture, improves pipeline water delivery efficiency simultaneously.
Description
Technical field
This utility model relates to water supply and sewage work pipeline structure field, particularly for heavy caliber pressurized water transmission rigid composite pipeline configuration.
Background technology
In order to solve the shortage of water resources problem in Process of Urbanization, China need nonetheless remain for newly-built a large amount of raw water engineering；Heavy caliber pressure water pipe is the primary structure form of these raw water engineerings.In the area that geology orographic condition is complex, often need to use the rigid conduit structure such as armored concrete, prestressed reinforced concrete, to improve pipeline stress.
But, there is a lot of problem in the application of conventional concrete pipeline, one is that concrete pipeline joint easily ftractures and misplaces, and forms leakage；Two is xoncrete structure longtime running, there is endurance issues, former water or subsoil water and penetrates into along crack, can cause inside configuration steel bar corrosion, thus reduce the bearing capacity of structure, causes safety problem；Three is that inner-walls of duct roughness is relatively big, and pipeline water delivery is inefficient.
At present, it is applied to the antiseepage aseptic technic of concrete duct, specifically includes that
1) by the inside and outside wall of concrete duct spray waterproof material, water-repellent paint cured after formed waterproofing membrane there is certain extensibility, elastoplasticity, crack resistance, impermeability and weatherability, can play waterproof, prevent blend protective effect.Common water-repellent paint includes: polyurethane, polyureas, Colophonium class water-repellent paint etc..
2) in concrete mix, it is directly added into the material such as permeable crystalline waterproofing material, high molecular polymer, improves inside concrete pore structure to play, thus hinder hydrone and effect that other harmful substances permeate to inside concrete.
But, technique scheme all has some limitations: for common water-repellent paint, humiture environment needed for the process of basal plane and paint solidification often there is higher requirement, basal plane process bad or solidification needed for humiture environment do not reach requirement, all can affect waterproof, the effect of antiseepage；And the waterproof material of internal doping type, seepage and etching problem to producing due to concrete structure crack are the most helpless.Meanwhile, no matter water-repellent paint or in mix waterproof material, the roughness for inner-walls of duct affects little, it is impossible to improve the emptying effectiveness of pipeline.
Utility model content
The purpose of this utility model is to improve the defect of prior art, it is provided that a kind of rigid composite pipeline configuration, and it can reduce the seepage caused due to concrete cracking, and improve the service life of pipeline.Further, additionally it is possible to prevent from ftractureing at pipe joint, improve pipeline water delivery efficiency simultaneously.
The purpose of this utility model is achieved in that
A kind of rigid composite pipeline configuration, including structure sheaf, described structure sheaf is concrete duct, as force structure layer, also include inner liner and/or outer lining, being placed on inwall and/or the outer wall of described structure sheaf, described inner liner and/or outer lining are photocuring fibre reinforced composites, and these photocuring fibre reinforced composites are pasted and are solidified as a whole with described structure sheaf by photocuring.
Described photocuring fibre reinforced composites are ultraviolet light polymerization composites, and including packing material and matrix component, described matrix component is ultraviolet-curing resin, and described packing material is fiber and/or fiber felt.
Described packing material e.g. glass fibre is or/and Chopped Strand Mat.
Described UV-cured resin is immersed in described fiber or fiber felt；And/or,
In described photocuring fibre reinforced composites, the immersion amount of light-cured resin is every square metre of fiber or fiber felt immersion light-cured resin 1.3-2.5kg；And/or,
When every square metre of fiber or fiber felt are 1kg, after immersing light-cured resin, weight becomes 2.4-2.7kg；Or,
When every square metre of fiber or fiber felt are 1.5kg, after immersing light-cured resin, weight becomes 3.5-3.8kg.
The thickness of described composite is between 1.0～5.0mm；And/or,
Described sleeve pipe is formed by some pieces of described composite overlap joints；And/or,
Described sleeve pipe is made up of the some pieces of described composite blocks being looped around on a setting axial length tube wall, the seam axial overlapping the slot of composition that every piece of described composite block is end to end, constitutes vertical overlapping the slot between adjacent described composite block；And/or,
At described overlapping the slot, the overlap length of adjacent two blocks of described composites is 8-10cm or 30-50mm；And/or,
A photocureable priming coat layer it is also coated with between described composite and tube wall.
Each described axial overlapping the slot is staggered setting.
The production method of above-mentioned rigid composite pipeline configuration is: first in concrete prefabricated pipe factory, precast concrete pipeline, after the concrete duct demoulding, the cleaning inside and outside wall surface of concrete duct, one layer of photocuring fibre reinforced composites are sticked the most respectively on the inner and outer wall of concrete duct, finally use ultraviolet radiation-curable fibre reinforced composites, form inner liner and/or outer lining.
As the described composite of raw material, its front is covered with layer of transparent thin film, and reverse side is covered with layer of transparent or opaque thin film；When using this raw material to paste on tube wall, the thin film of reverse side is opened some and adheres on tube wall, then take off while glue, until one block of composite is adhered on tube wall；And/or, the raw material form of described composite is coiled material or sheet material.
Inner liner on the rigid composite pipeline configuration tube wall of this utility model offer and/or outer lining, it is spliced by some blocks of composites, at the handing-over gap of adjacent composites block, the composite of rear stickup wants overlapping one section with the composite pasted, and the size of lap is that 30-50mm or 8-10cm is advisable.
When photocuring fibre reinforced composites are pasted, use Elastic Cylindrical support to support, make material fit tightly with managing inside and outside wall；And/or,
When using ultraviolet radiation-curable fibre reinforced composites, uviol lamp is arranged in rotatable mechanism, by the circumference tube wall rotating irradiation pipeline preseting length of rotating mechanism, by mechanism kinematic, material is solidified piecemeal.
Described rotatable mechanism includes a support, one or two track is set on this support abreast, it is movably disposed a bracing frame on the track, fixed UV curing apparatus on this bracing frame, make it corresponding with the inwall of described pipeline and/or outer wall and to its irradiating ultraviolet light, connecting power device on this bracing frame so that this bracing frame moves on the track.
Described elastic support includes an inner-walls of duct support, it includes a body of rod and support member, the bar of at least one end of this body of rod is provided with slideway, described support member is slidably disposed on this body of rod, this support member one end outwardly has a curved support face, is provided with spring between the described body of rod and described support member；And/or,
Described elastic support includes a pipeline outer wall support, at least one bracing frame fixed on the inwall of this pipeline outer wall support, this bracing frame includes the body of rod and support member, one end of this body of rod is fixed on the inwall of described pipeline outer wall support, the other end of this body of rod is provided with slideway, described support member is slidably disposed on this body of rod, has a curved support face in the end of this support member, is provided with spring between this support member and body of rod.
Of the present utility model it is critical that paste one layer of photocuring fibre reinforced composites at conventional concrete inner-walls of duct and/or outer wall, form composite construction with the combination of original concrete duct.
This utility model provides the benefit that:
1. this utility model provides the rigid composite pipeline configuration including inner liner and/or outer lining and structure sheaf.By conventional concrete pipeline configuration as force structure layer, by photocuring fibre reinforced composites as inner liner and outer lining, play the effects such as waterproof, antiseepage, anticorrosion, reduce the roughness of concrete duct inwall simultaneously, thus improve emptying effectiveness.
2. in this utility model, photocuring fibre reinforced composites used, by light-cured resin system with glass fibre or/and Chopped Strand Mat or other fibers are or/and the composite made of fiber felt, the front of material is covered with layer of transparent thin film, and reverse side is covered with layer of transparent or opaque thin film.Product form is coiled material or sheet material, and thickness is adjustable between 1.0-5.0mm, and fabric width is adjustable.Photocuring fibre reinforced composites easy construction, shape as requested, size can cut randomly, pastes, and after stickup, under ultra violet lamp, high molecular crosslink solidify to form seamless seal jacket layer.
Below by drawings and Examples, this utility model is described further.
Accompanying drawing explanation
The structural representation of the cross section of compound pipeline complex pipeline in one specific embodiment of the rigid composite pipeline configuration that Fig. 1 provides for this utility model.
Fig. 2 is the structural representation of the photocuring fibre reinforced composites feed states for being solidificated on the inwall of pipeline configuration and/or outer wall.
Fig. 2 a is the schematic diagram that the composite of rolling was wrapped in lucifuge wrapper before not using.
The production method of the rigid composite pipeline configuration that Fig. 3 provides for this utility model allowed before photocuring the structural representation of a kind of instantiation elastic support of aid that composite is bonded on inner-walls of duct.
Fig. 3 a is the schematic diagram of the composite using the elastic support shown in Fig. 3 to support on inner-walls of duct.
The production method of the rigid composite pipeline configuration that Fig. 4 provides for this utility model allowed before photocuring the structural representation of a kind of instantiation of aid that composite is bonded on pipeline outer wall.
Fig. 4 a is the schematic diagram of the composite using the aid shown in Fig. 4 to support on pipeline outer wall.
The production method of the rigid composite pipeline configuration that Fig. 5 provides for this utility model is irradiated to the aid ultra violet lamp device of inner-walls of duct and outer wall irradiating ultraviolet light the schematic diagram of compound pipeline complex pipeline simultaneously.
Fig. 6 is the schematic diagram of a kind of bridging arrangement spliced on inside pipe wall or pipe outer wall by polylith photocuring fibre reinforced composites.
Detailed description of the invention
In instantiation as shown in Figure 1, concrete duct 1 is as structure sheaf, bearing load；Photocuring fibre reinforced composites, as inner liner 2 and outer lining 3, play the effects such as waterproof, antiseepage, anticorrosion, reduce the roughness of concrete duct inwall simultaneously, thus improve emptying effectiveness.
After solidifying due to photocuring fibre reinforced composites, elastic modelling quantity is little, and intensity is high, it is easy to form composite force structure together with concrete, still functions as the effect of isolation infiltration water after concrete cracking.During pipeline configuration design, then need not consider inner liner and the effect of outer lining.
During actual application, first at concrete prefabricated pipe factory, precast concrete pipeline 1.After the demoulding, the simple cleaning inside and outside wall surface of concrete duct 1, stick one layer of photocuring fibre reinforced composites the most respectively, thickness is according to design requirement, typically between 1.0～5.0mm.Use ultraviolet radiation-curable fibre reinforced composites, form inner liner and outer lining.The method is easy to factorial praluction, improves efficiency.
As shown in figures 2 and 2 a, its front is covered with layer of transparent thin film 03 to the raw material of the photocuring fibre reinforced composites 01 that this utility model is used, and reverse side is covered with layer of transparent or opaque thin film 02；
The raw material A form of described composite is coiled material, it is of course also possible to be sheet material.In raw material accumulating, outside it, it is coated with one layer of lucifuge material B.
When using this raw material to paste on tube wall, being opened by the thin film 02 of reverse side, the composite 01 exposed adheres on tube wall, then takes off while glue, until being adhered on tube wall by one block of composite.
The key property index of the photocuring fibre reinforced composites that the present embodiment uses is as follows:
1) physics and mechanical performance are shown in Table 1.
Subordinate list 1 physics and mechanical performance index
2) Major health performance indications see attached list 2.
Subordinate list 2 Major health standard and index
The specific embodiment of above-mentioned pipeline production method is presented herein below: step is:
1. it is first according to conventional method, design drawing, prefabricated reinforced concrete pipeline.
2. after concrete hardening reaches demoulding requirement, the demoulding, clear up the inside and outside wall surface of concrete duct, remove remaining releasing agent, sewage etc..
3. the size and dimension of the photocuring fibre reinforced composites wanted according to former pipeline configuration and shape design, and be cut out on demand；
4. photocuring fibre reinforced composites are mounted directly on the inside and outside wall of pipeline after scrubbing.First the inside and outside wall of pipeline after scrubbing can also be coated with one layer of photocureable priming coat, this priming paint can be such as metal primer.Then on photocuring fibre reinforced composites being fitted, then irradiate through ultraviolet light and composite is solidificated on concrete tube wall.Specific implementation method is as follows:
A) protecting film one end of photocuring fibre reinforced composites sticking veneer is opened, then the one side throwing off film is carefully pasted onto on the inwall of pipeline.Using sectional vertical cladding process, the order of first paragraph is from the beginning of a certain orientation counterclockwise (clockwise) direction, around being attached to pipeline top, continue to fit to seaming position, tear inner layer film, two ends are overlapped, at overlap joint peak, should have the lap of splice of 8-10cm.The composite being pasted onto on tube wall is as shown in Figure 6.For preventing material from coming off before curing, aid can be used to support.
When pasting the composite of inside pipe wall, use elastic support as shown in Figure 3, described elastic support is an inner-walls of duct support, it includes a body of rod 4 and support member 5, described support member has a pipe 51, and the end of the body of rod 4 is plugged in this pipe 51 so that support member 5 is slidably disposed on this body of rod 4, this support member 5 one end outwardly has a curved support face, is provided with spring 52 between the described body of rod 4 and described support member 5；Curved support face on the support member at the two ends of elastic support is supported on inside pipe wall (as shown in Figure 3 a).Regulation stand spring, makes material laminating pipe surface, to remove the air between material and pipe surface so that tube wall fits tightly with composite；Swinging mounting, compresses laminating piecemeal to material.
When pasting the composite of pipe outer wall, use pipeline outer wall support 6 as shown in Figure 4, this support 6 is the cylinder of hollow out, at least one bracing frame fixed on the inwall of this pipeline outer wall support 6, example as shown in Figure 4 is uniform 3 bracing frames on circumference, each bracing frame includes the body of rod 7 and support member 8, and one end of this body of rod 7 is fixed on the inwall of described pipeline outer wall support 6, and the other end of this body of rod is mounted slidably support member 8.Specifically, support member 8 has a body, be inserted on the body of rod 7, there is in the end of this support member 8 a curved support face, between this support member 8 and body of rod 7, be provided with spring 9.
Different according to caliber, adhesion width can be different, but the lap 8-10cm to be had at composite two ends (including axial overlap seam E part and annular longitudinal overlap seam D part).Before curing this is covered 8-10cm with light tight adhesive tape or other light tight films respectively toward the composite two ends of forward and backward extension, in order to bonding during another block composite of axially extending overlap joint be used.
B) the axial bonding location of composite: two adjacent overlappings can not to prevent 4 layer materials from overlapping at same position, be unfavorable for fully solidifying on the same line；Should ensure that the bonding location of two sections of materials is staggered more than 15 °.(as shown in Figure 6)
C) ultraviolet radiation-curable is carried out after said process completes.Solidification ultraviolet lamp ring is arranged in rotatable mechanism (as shown in Figure 5), described rotatable mechanism includes a support F, on this support F, one or two track is set abreast, it is movably disposed a bracing frame E on the track, fixed UV curing apparatus on this bracing frame E, make it corresponding with the inner and outer wall of described pipeline and to its irradiating ultraviolet light, by drive mechanism connecting power device on this bracing frame E, this bracing frame is moved on the track, support F also connecting power device, it is allowed to rotate, there are rotation and the movement of bracing frame E of support F, just the composite pasted on whole tube wall can be solidificated on concrete tube wall；By mechanism kinematic, material is solidified piecemeal.Ultraviolet operator should put on ultraviolet protection clothes and the upper anti-ultraviolet eyes of band, shines directly into human body with anti-ultraviolet.To operate along tube wall during solidification, in order to avoid making the composite that curing reaction not yet occurs depart from tube wall and produce the air gap.According to Burdick lamp situation, can sectional solidify, it is also possible to several sections solidify together.During solidification, non-sticking veneer transparent membrane does not peel, and waits and is just taken off after being fully cured.
D) can be set to 5-60min (depending on site specific) hardening time of material, till being fully cured, material will not have abnormal smells from the patient after being fully cured.After basic solidification, by preventing the inside and outside arc elastic support come off from removing, to be fully cured, it is fully cured operation it has to be ensured that the light-receiving time of each part material is held in 5-60min.
In above-described embodiment, it it is composite on all solidifying on the inner and outer wall of concrete duct.Certainly, according to specifically used demand, on inside pipe wall or pipe outer wall, singly solidify composite.
The rigid composite pipeline that this utility model provides, by pasting photocuring fibre reinforced composites on existing armored concrete tube wall, improves the anti-corrosion leak-proof effect of concrete duct, improves combination property and the service life of reinforced concrete pipiline.And the production method of this rigid composite anti-corrosion pipeline, provide guidance and help for photocuring composite anti-corrosion material of pasting on concrete tube wall safe and reliable, quick and convenient.This utility model improves the combination properties such as the anti-corrosion leak-proof of reinforced concrete pipiline, extend pipeline service life, open up the more application of concrete duct, by the construction for building century-old underground pipeline project, reducing pipeline and maintenance cost, make significantly contribution for environmental protection and energy saving.
Claims (4)
1. a rigid composite pipeline configuration, it is characterized in that: include structure sheaf, described structure sheaf is reinforced concrete pipiline, as force structure layer, also include inner liner and/or outer lining, being placed on inwall and/or the outer wall of described structure sheaf, described inner liner and/or outer lining are photocuring fibre reinforced composites, and these photocuring fibre reinforced composites are pasted and are solidified as a whole with described structure sheaf by photocuring.
Rigid composite pipeline configuration the most according to claim 1, it is characterised in that: described photocuring fibre reinforced composites are ultraviolet light polymerization composites.
3. according to the rigid composite pipeline configuration one of claim 1 to 2 Suo Shu, it is characterised in that: the thickness of described composite is between 1.0 ~ 5.0 mm；And/or,
Described composite forming sleeves, described sleeve pipe is formed by some pieces of described composite overlap joints；And/or,
Described composite forming sleeves, described sleeve pipe is made up of the some pieces of described composite blocks being looped around on a setting axial length tube wall, the seam axial overlapping the slot of composition that every piece of described composite block is end to end, constitutes vertical overlapping the slot between adjacent described composite block；And/or,
At described overlapping the slot, the overlap length of adjacent two blocks of described composites is 8-10cm or 30-50mm；And/or,
A photocureable priming coat layer it is also coated with between described composite and tube wall.
Rigid composite pipeline configuration the most according to claim 3, it is characterised in that: each described axial overlapping the slot is staggered setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620189631.7U CN205560021U (en) | 2016-03-11 | 2016-03-11 | Rigidity composite pipe structure |
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| CN201620189631.7U CN205560021U (en) | 2016-03-11 | 2016-03-11 | Rigidity composite pipe structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106032859A (en) * | 2016-03-11 | 2016-10-19 | 北京百世通管道科技有限公司 | Rigid composite pipeline structure and production method thereof |
| CN106678456A (en) * | 2017-03-08 | 2017-05-17 | 盐城工学院 | Concrete canvas composite pipe |
-
2016
- 2016-03-11 CN CN201620189631.7U patent/CN205560021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106032859A (en) * | 2016-03-11 | 2016-10-19 | 北京百世通管道科技有限公司 | Rigid composite pipeline structure and production method thereof |
| CN106678456A (en) * | 2017-03-08 | 2017-05-17 | 盐城工学院 | Concrete canvas composite pipe |
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