CN112555523A - High-strength anti-corrosion infusion pipeline with adjustable anti-permeability function and manufacturing method thereof - Google Patents

High-strength anti-corrosion infusion pipeline with adjustable anti-permeability function and manufacturing method thereof Download PDF

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Publication number
CN112555523A
CN112555523A CN202011508446.7A CN202011508446A CN112555523A CN 112555523 A CN112555523 A CN 112555523A CN 202011508446 A CN202011508446 A CN 202011508446A CN 112555523 A CN112555523 A CN 112555523A
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CN
China
Prior art keywords
pipeline
layer
concrete
socket
adjustable
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Pending
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CN202011508446.7A
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Chinese (zh)
Inventor
郭超
陆征然
李硕
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Shenyang Jianzhu University
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Shenyang Jianzhu University
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Priority to CN202011508446.7A priority Critical patent/CN112555523A/en
Publication of CN112555523A publication Critical patent/CN112555523A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/14Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F16L9/153Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and concrete with or without reinforcement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/02Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/10Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
    • B28B21/14Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means vibrating, e.g. the surface of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/56Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/56Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • B28B21/58Steel tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/92Methods or apparatus for treating or reshaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00Methods or machines specially adapted for the production of tubular articles
    • B28B21/92Methods or apparatus for treating or reshaping
    • B28B21/925Methods or apparatus for treating or reshaping for wrapping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04Coatings characterised by the materials used
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention relates to the field of pipeline transportation, in particular to a high-strength anticorrosion infusion pipeline with an adjustable anti-permeability function and a manufacturing method thereof, wherein the high-strength anticorrosion infusion pipeline comprises a pipeline section, wherein the pipeline section comprises a female end, a pipeline area and a female end which are sequentially distributed along an axis; the socket end and the socket end of two adjacent pipeline sections are butted; the pipeline area is sequentially provided with a basalt fiber composite layer, an outer concrete pipe core, a steel cylinder, inner concrete and a glass fiber inner pipe from outside to inside; the outer side of the socket end is circumferentially provided with an adjustable anti-seepage component. The invention has the characteristics of high compressive strength and good corrosion resistance, has longer service life and better tightness, and is particularly suitable for municipal pipe gallery engineering with long-distance and large-flow infusion.

Description

High-strength anti-corrosion infusion pipeline with adjustable anti-permeability function and manufacturing method thereof
Technical Field
The invention relates to the field of pipeline transportation, in particular to a high-strength anti-corrosion infusion pipeline with an adjustable anti-permeability function and a manufacturing method thereof.
Background
With the increasingly fundamental and strategic supporting function of municipal comprehensive pipe gallery engineering in the development of economic society and cities, the construction of the gallery engineering is developed vigorously, and various water resource allocation projects are increased successively. The infusion pipelines adopted in the projects have the characteristics of large cross section and high pressure bearing due to large flow and high pressure. In addition, in the long-distance transportation path, the soil needs to pass through a severe natural environment and a complicated geological condition area, and meanwhile, the soil is also subjected to long-term corrosion of soil, even acid and alkali compounds.
Although the prestressed concrete cylinder pipe (PCCP for short) can fully utilize respective physical properties of materials, effectively combines the high-strength tensile property of prestressed steel wires and the seepage-proofing property of steel plates, and has the advantages of strong shock resistance and compressive resistance, good interface sealing performance and the like, the PCCP pipeline also has serious damage accidents of sudden pipe explosion for many times in actual use, water supply interruption and even flood disasters are caused, and the public safety is seriously influenced.
Disclosure of Invention
The invention aims to provide a high-strength anti-corrosion infusion pipeline with an adjustable anti-permeability function and a manufacturing method thereof, and aims to solve the problems.
In order to achieve the purpose, the invention provides the following scheme:
a high-strength anti-corrosion infusion pipeline with an adjustable anti-permeability function comprises a pipeline section, wherein the pipeline section comprises a female end, a pipeline area and a female end which are sequentially distributed along an axis; the socket ends of two adjacent pipeline sections are butted with the socket ends;
the pipeline area is sequentially provided with a basalt fiber composite layer, an outer concrete pipe core, a steel cylinder, inner concrete and a glass fiber inner pipe from outside to inside;
and an adjustable anti-seepage assembly is circumferentially arranged on the outer side of the socket end.
Preferably, the layer structure of the female end from outside to inside is the same as that of the pipeline area; the axial length of the glass fiber inner pipe is the same as that of the inner layer concrete, and the inner diameter of the female end is matched with the outer diameter of the female end;
the inner side of the socket end is provided with a carbon fiber layer, the inner side of the carbon fiber layer is provided with an epoxy mortar coating, a plurality of stainless steel expansion rings are axially sleeved on the inner wall of the socket end, a glass fiber layer is sleeved on the outer side of each stainless steel expansion ring, the glass fiber layer is in contact with the carbon fiber layer, the steel cylinder is located at the end part of the socket end and fixedly connected with a socket steel ring, and the outer end of the socket steel ring is flush with the outer end of the outer concrete pipe core.
Preferably, the layer structure of the socket end from outside to inside is the same as that of the pipeline area; the end part of the steel cylinder, which is positioned at the socket end, is fixedly connected with a socket steel ring, the outer end of the socket steel ring extends out of the end part of the outer layer concrete pipe core, the outer diameter of the socket steel ring is matched with the inner diameter of the socket steel ring, and the exposed end of the socket steel ring is flush with the inner layer concrete and the glass fiber inner pipe;
at least one groove is annularly formed in the outer side of the socket steel ring.
Preferably, the adjustable anti-seepage assembly comprises an adjustable elastic body sleeved on the outer side of the socket steel ring, and a plurality of sensors are arranged on the inner side of the adjustable elastic body at equal intervals in the circumferential direction.
Preferably, the sensor is a wireless piezoelectric ceramic sensor, the adjustable elastic body is a magnetorheological elastic body, and the sensor and the adjustable elastic body are arranged in the groove.
Preferably, adhesive coatings are coated among the basalt fiber composite layer, the outer concrete pipe core, the steel cylinder, the inner concrete layer, the glass fiber inner pipe, the carbon fiber layer and the epoxy mortar coating.
Preferably, the steel cylinder is of a sieve pore structure.
A manufacturing method of a high-strength anticorrosion infusion pipeline with an adjustable anti-permeability function comprises the following steps:
the first step, fixedly connecting the left end and the right end of the steel cylinder with the bellmouth steel ring and the socket steel ring respectively;
step two, respectively hoisting the steel cylinder and the glass fiber inner tube manufactured in the step one into a mold, pouring the outer layer concrete tube core and the inner layer concrete, and performing high-frequency strong vibration to compact and mold the concrete so as to obtain a structure in which the steel cylinder is embedded in the outer layer concrete tube core and the inner layer concrete;
step three, after the outer layer concrete pipe core and the inner layer concrete are subjected to steam curing and demolding, the basalt fiber composite layer is wound on the outer surface of the outer layer concrete pipe core;
cutting off the outer concrete pipe core and the end part of the inner concrete in the third step by using a grinding wheel saw, so that the outer concrete pipe core and the inner concrete are flush with the end part of the steel cylinder, a cutting surface is polished to be flat, and the positions of the notches of the female end and the female end are repaired into a slope structure along the cutting surface by adopting the epoxy mortar coating;
polishing the inner wall of the pipeline obtained in the fourth step, and adhering the carbon fiber layer to the female end;
step six, adhering a glass fiber layer on the surface of the carbon fiber layer, wherein the glass fiber layer corresponds to the stainless steel expansion ring in position, and pressing the carbon fiber layer on the inner wall of the glass fiber inner tube by using the stainless steel expansion ring;
step seven, coating the inner wall of the pipeline by using an epoxy mortar coating;
and step eight, mounting the sensor and the adjustable elastic body in the groove.
Preferably, before the basalt fiber composite layer is wound in the third step, the outer surface of the outer concrete pipe core is polished.
Preferably, the slope structure repaired along the cutting surface by adopting the epoxy mortar coating in the fourth step is 1: 1.
The invention has the following technical effects:
the glass fiber inner tube has good cold resistance and can adapt to more complex environment. The inner glass fiber pipe has good antifouling property, can not scale in the using process, can not be adsorbed by microorganisms such as shellfish and bacteria in water, and avoids the need of manual maintenance in the using process. The glass fiber inner pipe has good mechanical property, processing characteristic and high strength, and cannot be damaged in the key concrete pouring process.
And the epoxy resin coating added with the silane coupling agent is used as an interface adhesive between the structures of the pipelines, so that the adhesive strength of the adhesive can be obviously improved, and the durability and the humidity, heat and aging resistance of the adhesive can be improved.
The sieve mesh type steel cylinder is a steel cylinder structure with circular holes arranged in local sections of the surface of the cylinder wall at intervals. In the process of pouring concrete, the concrete at the inner side and the concrete at the outer side can be mutually fused through the round holes on the surface of the cylinder wall to form an internal structure similar to the stud, so that the connection performance between the steel and the concrete is effectively improved, and the shearing-resistant bearing capacity of the structure is enhanced.
The basalt fiber composite layer is arranged on the outer layer concrete, and because the basalt fiber composite layer and the concrete have similar heat conductivity coefficients, the composite ribs can expand and contract at the same time, and the bond stress is larger than that of the reinforcing steel bars, so that the strength and the durability of the concrete member can be effectively improved; the basalt fiber composite layer has good corrosion resistance, so that the basalt fiber composite layer can be suitable for the corrosion problem and the service life problem of infusion pipelines in northern alpine regions, southern humid regions and regions with severe acid-base environments.
And a plurality of leakage monitoring points are arranged on the socket steel ring. And at the leakage monitoring point, the position of the anti-seepage rubber ring clings to the inner wall of the groove is respectively provided with a plurality of sensors, so that the pressure at the monitoring point is wirelessly monitored, and the human resources are greatly saved. And judging the rigidity of the adjustable elastic body by acquiring the sensor signal at the monitoring point in real time. When the rigidity of the adjustable elastic body is reduced, an alternating magnetic field with the amplitude of 0.1T-1T and the frequency of 30 Hz-60 Hz can be immediately applied to the position above the ground corresponding to the bell and spigot position, so that the rigidity of the adjustable elastic body is enhanced, the pipeline is prevented from further leakage, and the pipeline is repaired in time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a cross-sectional view a-a of fig. 2.
Wherein, 1 is an outer concrete pipe core, 2 is a basalt fiber composite layer, 3 is an epoxy mortar coating, 4 is a socket steel ring, 5 is a carbon fiber layer, 6 is a glass fiber inner pipe, 7 is a stainless steel expansion ring, 8 is inner concrete, 9 is a steel cylinder, 10 is a socket steel ring, 11 is a sensor, 12 is an adjustable elastomer, 13 is a socket end, 14 is a socket end, and 15 is a glass fiber layer.
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.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-2, the invention provides a high-strength anticorrosion infusion pipeline with an adjustable anti-permeability function, which comprises a pipeline section, wherein the pipeline section comprises a female end 13, a pipeline area and a female end 14 which are sequentially distributed along an axis; the socket end 14 of two adjacent pipeline sections is butted with the female end 13;
the pipeline area is sequentially provided with a basalt fiber composite layer 2, an outer layer concrete pipe core 1, a steel cylinder 9, inner layer concrete 8 and a glass fiber inner pipe 6 from outside to inside;
in the groove of the socket steel ring 10 at the socket end 14, an adjustable anti-seepage component is arranged. The glass fiber inner tube 6 has good cold resistance and can adapt to more complex environments. The inner glass fiber tube 6 has good antifouling property, and can not scale in the using process and be adsorbed by microorganisms such as shellfish and bacteria in water, so that the inner glass fiber tube is prevented from being manually maintained in the using process. And the glass fiber inner pipe 6 has good mechanical property, processing characteristic and high strength, and can not be damaged in the key concrete pouring process.
The basalt fiber composite layer 2 is arranged on the outer layer concrete pipe core 1, and because the basalt fiber composite layer 2 and the concrete pipe core 1 have similar heat conductivity coefficients, the composite ribs can expand and contract at the same time, and the bond stress is larger than that of reinforcing steel bars, so that the strength and the durability of a concrete member can be effectively improved; the basalt fiber composite layer 2 has good corrosion resistance, so that the corrosion resistance problem and the service life problem of the infusion pipeline in northern alpine regions, southern humid regions and regions with severe acid-base environments can be solved.
In a further optimized scheme, the layer structure of the female end 13 from outside to inside is the same as that of the pipeline area; the axial length of the glass fiber inner pipe 6 is the same as that of the inner layer concrete 8, and the inner diameter of the female end 13 is matched with the outer diameter of the female end 14;
the inboard carbon fiber layer 5 that is provided with of socket end 13, 5 inboards of carbon fiber layer are provided with epoxy mortar coating 3, and a plurality of stainless steel expansion rings 7 have been cup jointed to the inner wall axial of socket end 13, and glass fiber layer 15 has been cup jointed in the stainless steel expansion ring 7 outside, and glass fiber layer 15 sets up with the contact of carbon fiber layer 5, and the tip fixedly connected with bellmouth steel ring 4 that steel cylinder 9 is located socket end 13, and the outer end of bellmouth steel ring 4 flushes with the outer end of outer layer concrete tube core 1. The width of the glass fiber layer 15 is larger than that of the stainless steel expansion ring 7, when the stainless steel expansion ring 7 and the carbon fiber layer 5 generate electricity in the infusion process, galvanic corrosion can occur, the corrosion resistance is lost, and the stainless steel expansion ring 7 is prevented from being subjected to galvanic corrosion by arranging the glass fiber layer 15.
In a further optimized scheme, the layer structure of the socket end 14 from outside to inside is the same as that of the pipeline area; the end part of the steel cylinder 9, which is positioned at the socket end 14, is fixedly connected with a socket steel ring 10, the outer end of the socket steel ring 10 extends out of the end part of the outer layer concrete pipe core 1, the outer diameter of the socket steel ring 10 is matched with the inner diameter of the socket steel ring 4, and the exposed end of the socket steel ring 10 is flush with the inner layer concrete 8 and the glass fiber inner pipe 6;
at least one groove is annularly arranged on the outer side of the socket steel ring 10. The distance from the stainless steel expansion ring 7 to the end part of the female end 13 is larger than the exposed length of the socket steel ring 10.
In a further optimized scheme, the adjustable anti-seepage assembly comprises an adjustable elastic body 12 sleeved on the outer side of the socket steel ring 10, and a plurality of sensors 11 arranged on the inner side of the adjustable elastic body 12 at equal intervals in the circumferential direction.
In a further optimized scheme, the sensor 11 is a wireless piezoelectric ceramic sensor, the adjustable elastic body 12 is a magnetorheological elastic body, and the sensor 11 and the adjustable elastic body 12 are arranged in the groove.
On socket steel ring 10, along pipeline girth direction, can set up pressure that a plurality of sensors 11 are located the monitoring point and carry out wireless monitoring, the resources of using manpower sparingly greatly, hug closely adjustable elastomer 12 at recess inner wall, sensor 11 hugs closely adjustable elastomer 12, can carry out timely repair to the pipeline of infiltration.
According to the further optimized scheme, adhesive coatings are coated among the basalt fiber composite layer 2, the outer concrete pipe core 1, the steel cylinder 9, the inner concrete layer 8, the glass fiber inner pipe 6, the carbon fiber layer 5 and the epoxy mortar coating 3, the adhesive coatings are prepared by mixing silane coupling agents and epoxy resin, and the mixing ratio of the silane coupling agents to the epoxy resin is 1: 50. The silane coupling agent coating is doped with sand in a ratio of 1: 1. The glass fiber inner tube 6 is arranged on the inner wall of the inner layer concrete tube core 8 and on the outer surface of the glass fiber inner tube 6, and in order to enable the glass fiber inner tube and the inner layer concrete 8 to be tightly connected and effectively transmit load, an epoxy resin coating added with a silane coupling agent is uniformly arranged.
And the epoxy resin coating added with the silane coupling agent is used as an interface adhesive between the structures of the pipelines, so that the adhesive strength of the adhesive can be obviously improved, and the durability and the humidity, heat and aging resistance of the adhesive can be improved.
In a further optimized scheme, the steel cylinder 9 is of a sieve pore structure.
The sieve mesh type steel cylinder is a steel cylinder structure with circular holes arranged in local sections of the surface of the cylinder wall at intervals. In the process of pouring concrete, the concrete at the inner side and the concrete at the outer side can be mutually fused through the round holes on the surface of the cylinder wall to form an internal structure similar to a stud, so that the connection performance between steel and concrete is effectively improved, and the shear-resistant bearing capacity of the structure is enhanced.
A manufacturing method of a high-strength anticorrosion infusion pipeline with an adjustable anti-permeability function comprises the following steps:
firstly, fixedly connecting the left end and the right end of a steel cylinder 9 with a socket steel ring 4 and a socket steel ring 10 respectively;
step two, respectively hoisting the steel cylinder 9 and the glass fiber inner tube 6 manufactured in the step one into a mold, pouring the outer layer concrete tube core 1 and the inner layer concrete 8, and performing high-frequency strong vibration to compact and mold the concrete, thereby obtaining a structure that the steel cylinder 9 is embedded in the outer layer concrete tube core 1 and the inner layer concrete 8;
step three, after the outer layer concrete pipe core 1 and the inner layer concrete 8 are subjected to steam curing and demolding, the basalt fiber composite layer 2 is wound on the outer surface of the outer layer concrete pipe core 1;
cutting the end parts of the outer concrete pipe core 1 and the inner concrete pipe core 8 in the third step by using a grinding wheel saw, so that the outer concrete pipe core 1 and the inner concrete pipe core 8 are flush with the end part of the steel cylinder 9, a cutting surface is polished to be flat, and the notches of the female end 13 and the female end 14 are repaired into a slope structure along the cutting surface by adopting an epoxy mortar coating 3; the cutting range of the female end 13 is 120mm of the axial length of the edge end, the cutting range of the female end 14 is 120mm of the axial length of the edge end, and the cutting surface needs to be polished to be flat. And cleaning the cut-off area, and manually polishing or sandblasting the surfaces of the end bellmouth steel ring 4 and the bellmouth steel ring 10 until the surfaces of the bellmouth steel ring 4 and the bellmouth steel ring 10 are all white metal color. And (3) coating priming paint on the polished surfaces of the bell mouth steel ring 4 and the bell mouth steel ring 10, filling all surface gaps in concrete, and uniformly coating the surfaces of the bell mouth steel ring 4 and the bell mouth steel ring 10.
Step five, polishing the inner wall of the pipeline obtained in the step four, and adhering a carbon fiber layer 5 to the female end 13;
step six, a glass fiber layer 15 is stuck on the surface of the carbon fiber layer 5, the glass fiber layer 15 corresponds to the stainless steel expansion ring 7, and the stainless steel expansion ring 7 is used for pressing the carbon fiber layer 5 on the inner wall of the glass fiber inner tube 6;
the glass fibre layer 15 is at least 50mm wider than the stainless steel expander to prevent the carbon fibre layer 5 from contacting the stainless steel expander 7.
Step seven, coating the inner wall of the pipeline by using an epoxy mortar coating 3;
and step eight, mounting the sensor 11 and the adjustable elastic body 12 in the groove.
And further optimizing the scheme, and before the basalt fiber composite layer 2 is wound in the step three, polishing the outer surface of the outer-layer concrete pipe core 1.
According to the further optimization scheme, the slope structure repaired along the cutting surface by adopting the epoxy mortar coating 3 in the fourth step is 1: 1.
The outer side wall of the socket steel ring 10 is provided with a groove, and the adjustable elastic body 12 is made of a magnetorheological elastic body, so that the rigidity is adjustable. Set up a plurality of sensors 11 along socket steel ring 10 girth direction and be used for leakage monitoring, hug closely adjustable elastomer 12 at the recess lateral wall of steel ring 10, sensor 11 pastes tight adjustable elastomer 12, and pipeline female end 13, socket end 10 installation in-process scribble emollient in the adjustable elastomer 12 outside and install. The rigidity of the adjustable elastic body 12 can be judged by acquiring signals monitored by the sensor 11 in real time. When the rigidity of the adjustable elastic body 12 is reduced, an alternating magnetic field with the amplitude of 0.1T-1T and the frequency of 30 Hz-60 Hz can be immediately applied to the ground position corresponding to the socket end 14 of the female end 13, so that the rigidity of the adjustable elastic body 12 is enhanced, and the pipeline is prevented from leaking.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (10)

1. The utility model provides a high strength anticorrosion infusion pipeline with adjustable impervious function which characterized in that: the pipeline joint comprises a female end (13), a pipeline area and a female end (14) which are sequentially distributed along an axis; the socket ends (14) of two adjacent pipeline sections are butted with the female ends (13);
the pipeline area is sequentially provided with a basalt fiber composite layer (2), an outer layer concrete pipe core (1), a steel cylinder (9), inner layer concrete (8) and a glass fiber inner pipe (6) from outside to inside;
the outer side of the socket end (14) is circumferentially provided with an adjustable anti-seepage assembly.
2. The high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function as claimed in claim 1, wherein: the layer structure of the female end (13) from outside to inside is the same as that of the pipeline area; the axial length of the glass fiber inner pipe (6) is the same as that of the inner layer concrete (8), and the inner diameter of the female end (13) is matched with the outer diameter of the female end (14);
the utility model discloses a concrete pipe core, including female end (13), female end (13) inboard is provided with carbon fiber layer (5), carbon fiber layer (5) inboard is provided with epoxy mortar coating (3), a plurality of stainless steel swell ring (7) have been cup jointed to the inner wall axial of female end (13), glass fiber layer (15) have been cup jointed in the stainless steel swell ring (7) outside, glass fiber layer (15) with carbon fiber layer (5) contact sets up, steel cylinder (9) are located the tip fixedly connected with female steel ring (4) of female end (13), the outer end of female steel ring (4) with the outer end of outer layer concrete pipe core (1) flushes.
3. The high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function as claimed in claim 2, wherein: the layer structure of the socket end (14) from outside to inside is the same as that of the pipeline area; the end part of the steel cylinder (9) positioned at the socket end (14) is fixedly connected with a socket steel ring (10), the outer end of the socket steel ring (10) extends out of the end part of the outer layer concrete pipe core (1), the outer diameter of the socket steel ring (10) is matched with the inner diameter of the socket steel ring (4), and the exposed end of the socket steel ring (10) is flush with the inner layer concrete (8) and the glass fiber inner pipe (6);
at least one groove is annularly formed in the outer side of the socket steel ring (10).
4. The high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function as claimed in claim 3, wherein: the adjustable anti-seepage assembly comprises an adjustable elastic body (12) sleeved on the outer side of the socket steel ring (10), and a plurality of sensors (11) are arranged on the inner side of the adjustable elastic body (12) at equal intervals in the circumferential direction.
5. The high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function as claimed in claim 4, wherein: the sensor (11) is a wireless piezoelectric ceramic sensor, the adjustable elastic body (12) is a magnetorheological elastic body, and the sensor (11) and the adjustable elastic body (12) are arranged in the groove.
6. The high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function as claimed in claim 2, wherein: and adhesive coatings are coated among the basalt fiber composite layer (2), the outer layer concrete pipe core (1), the steel cylinder (9), the inner layer concrete (8), the glass fiber inner pipe (6), the carbon fiber layer (5) and the epoxy mortar coating (3).
7. The high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function as claimed in claim 1, wherein: the steel cylinder (9) is of a sieve pore structure.
8. A manufacturing method of a high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function, which is based on the pipeline of any one of claims 5 to 7, and is characterized in that: the method comprises the following steps:
firstly, fixedly connecting the left end and the right end of the steel cylinder (9) with the bellmouth steel ring (4) and the socket steel ring (10) respectively;
step two, respectively hoisting the steel cylinder (9) and the glass fiber inner tube (6) manufactured in the step one into a mold, pouring the outer layer concrete tube core (1) and the inner layer concrete (8), and compacting and molding the concrete through high-frequency strong vibration to obtain a structure that the steel cylinder (9) is embedded in the outer layer concrete tube core (1) and the inner layer concrete (8);
step three, the basalt fiber composite layer (2) is wound on the outer surface of the outer layer concrete pipe core (1) after the outer layer concrete pipe core (1) and the inner layer concrete (8) are subjected to steam curing and demolding;
fourthly, cutting off the end parts of the outer concrete pipe core (1) and the inner concrete (8) in the third step by using a grinding wheel saw, enabling the outer concrete pipe core (1) and the inner concrete (8) to be flush with the end part of the steel cylinder (9), grinding a cutting surface to be flat, and repairing the cut positions of the female end (13) and the female end (14) into a slope structure along the cutting surface by adopting the epoxy mortar coating (3);
fifthly, polishing the inner wall of the pipeline obtained in the fourth step, and adhering the carbon fiber layer (5) to the female end (13);
sixthly, sticking a glass fiber layer (15) on the surface of the carbon fiber layer (5), wherein the glass fiber layer (15) corresponds to the stainless steel expansion ring (7), and pressing the carbon fiber layer (5) on the inner wall of the glass fiber inner tube (6) by using the stainless steel expansion ring (7);
step seven, coating the inner wall of the pipeline by using an epoxy mortar coating (3);
and step eight, mounting the sensor (11) and the adjustable elastic body (12) in the groove.
9. The manufacturing method of the high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function as claimed in claim 8, wherein the manufacturing method comprises the following steps: and before the basalt fiber composite layer (2) is wound in the third step, polishing the outer surface of the outer layer concrete pipe core (1).
10. The manufacturing method of the high-strength anti-corrosion infusion pipeline with adjustable anti-permeability function as claimed in claim 8, wherein the manufacturing method comprises the following steps: in the fourth step, the slope structure repaired along the cutting surface by adopting the epoxy mortar coating (3) is 1: 1.
CN202011508446.7A 2020-12-18 2020-12-18 High-strength anti-corrosion infusion pipeline with adjustable anti-permeability function and manufacturing method thereof Pending CN112555523A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087430A (en) * 2021-10-29 2022-02-25 西安理工大学 Prestressed steel cylinder concrete pipe capable of monitoring strain in real time and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087430A (en) * 2021-10-29 2022-02-25 西安理工大学 Prestressed steel cylinder concrete pipe capable of monitoring strain in real time and manufacturing method thereof
CN114087430B (en) * 2021-10-29 2023-08-22 西安理工大学 Prestressed steel cylinder concrete pipe capable of monitoring strain in real time and manufacturing method

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