CN116518164A - Explosion-proof pipeline and protection fixing method thereof - Google Patents

Explosion-proof pipeline and protection fixing method thereof Download PDF

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Publication number
CN116518164A
CN116518164A CN202310617197.2A CN202310617197A CN116518164A CN 116518164 A CN116518164 A CN 116518164A CN 202310617197 A CN202310617197 A CN 202310617197A CN 116518164 A CN116518164 A CN 116518164A
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CN
China
Prior art keywords
pipeline
layer
resin layer
explosion
proof
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
Application number
CN202310617197.2A
Other languages
Chinese (zh)
Inventor
杨兴国
董士华
王文全
李海波
赵云飞
谭小军
张宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Research Institute Of Sichuan University
Sinohydro Bureau 5 Co Ltd
Original Assignee
Qingdao Research Institute Of Sichuan University
Sinohydro Bureau 5 Co Ltd
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Filing date
Publication date
Application filed by Qingdao Research Institute Of Sichuan University, Sinohydro Bureau 5 Co Ltd filed Critical Qingdao Research Institute Of Sichuan University
Priority to CN202310617197.2A priority Critical patent/CN116518164A/en
Publication of CN116518164A publication Critical patent/CN116518164A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • 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
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/036Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
    • 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
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/02Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
    • 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
    • F16L5/00Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02Sealing
    • 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
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses an explosion-proof pipeline and a protection and reinforcement method thereof, comprising a pipeline and a multi-layer composite material, wherein the multi-layer composite material is coated outside the pipeline, the multi-layer composite material is formed by compounding a plurality of layers, each layer of the multi-layer composite material comprises a plurality of fabric monolayers, and the multi-layer composite material comprises a first tough resin layer, a fiber structure layer, a second tough resin layer and a rigid resin layer which are sequentially arranged from the pipeline to the outside. The protection and reinforcement method of the explosion-proof pipeline comprises the steps of investigation and pretreatment of a water seepage part of the pipeline, spraying an anti-corrosion layer on the surface of the pipeline, cladding and reinforcement of a plurality of layers of composite materials outside the pipeline, reinforcement of a pipeline buttress and installation of a steel collar between the pipeline and a wall surface. The invention can improve the strength of the pipeline, maintain the integrity of the pipeline, prolong the service life of the pipeline, and simultaneously increase the support and stability of the pipeline.

Description

Explosion-proof pipeline and protection fixing method thereof
Technical Field
The invention relates to the technical field of pipelines, in particular to an explosion-proof pipeline and a protection and reinforcement method thereof.
Background
In the pipeline water supply process, emergencies possibly occur, including pipeline corrosion, pipeline burst leakage caused by external extreme weather, especially when the pipeline in the pump station water outlet valve well is lifted out of the factory and burst risks exist, if the pipeline cannot be effectively maintained and reinforced to related components of the pipe network, secondary leakage of leakage points is caused, the original leakage points can be expanded, water supply service interruption generates a series of losses, continuous lapse of water resources is included, and adverse effects are caused on industrial production and commercial operation.
Therefore, an explosion-proof pipeline and a protection and reinforcement method for pipeline explosion prevention are needed to solve the explosion risk of the pipeline in the water outlet valve well of the pump station lifted outside the factory.
Disclosure of Invention
The invention aims to provide an explosion-proof pipeline and a pipeline explosion-proof reinforcement method to solve the problems found in the background technology.
The aim of the invention is realized by the following technical scheme:
the utility model provides an explosion-proof pipeline, includes pipeline and multilayer combined material, multilayer combined material cladding is in the outside of pipeline, multilayer combined material is formed by the multilayer is compound, every layer of multilayer combined material includes a plurality of fabric individual layers, multilayer combined material includes from pipeline outwards every layer first toughness resin layer, fibrous structure layer, second toughness resin layer, the rigidity resin layer that sets gradually.
Through the technical scheme, the first tough resin layer and the second tough resin layer are used for toughness protection, and once the pipeline leaks water and bursts, water flow flushing and grinding can be effectively resisted. The fiber structure layer provides rigid support, prevents excessive yielding of the first and second ductile resin layers, maintains the shape integrity, provides compressive strength, and the rigid resin layer provides rigid compressive strength, promotes overall yield strength, prevents foreign object impact, shock.
Further, the first ductile resin layer comprises nylon mesh cloth and a reinforced resin layer, the reinforced resin layer is a continuous whole, and the nylon mesh cloth is covered by the reinforced resin layer; the fiber structure layer comprises an ultra-high molecular weight polyethylene network bone and a reinforced resin composite layer, wherein the reinforced resin composite layer is a continuous whole, and the reinforced resin composite layer covers the ultra-high molecular weight polyethylene network bone; the second ductile resin layer and the first ductile resin layer have the same specification, and the rigid resin layer comprises a glass fiber reinforced epoxy resin composite layer.
Through the technical scheme, the first and second tough resin layers comprise nylon mesh cloth and the reinforced resin layer, so that toughness protection can be improved, wherein the reinforced resin layer can adopt organic silicon resin, fluorosilicone modified resin, polyurea, polyurethane elastomer and the like; the fiber structure layer comprises an ultra-high molecular weight polyethylene net bone and a reinforced resin composite layer, and provides rigid support, wherein the ultra-high molecular weight polyethylene net can be replaced by net materials such as a polyester net and the like; the rigid resin layer comprises a glass fiber reinforced epoxy resin composite layer and is used for providing rigid compressive strength and improving overall yield strength. Wherein the reinforced resin layer is formed by brushing the outer wall of the pipeline into a continuous whole in a roller coating or brushing mode, and the nylon mesh cloth, the ultra-high molecular weight polyethylene mesh bone and other fabrics are coated.
Further, the pipeline and the below of multilayer combined material are equipped with the pipeline buttress, the pipeline buttress is U type structure, be equipped with the centre gripping damping material on the pipeline buttress.
Through the technical scheme, the pipeline buttress can increase the stressed area of the buttress and the pipeline, and weaken the deformation of the pipeline caused by dead weight. The clamping damping material between the pipeline and the pipeline buttress is used as a buffer layer for protecting the pipeline.
Further, the pipeline is equipped with the steel lantern ring with the wall junction, the steel lantern ring is split type and assembles the structure, the bellied junction in steel lantern ring right angle region is equipped with split connection screw, the surface of steel lantern ring is equipped with two rings of bolt mounting holes.
Through above-mentioned technical scheme, steel lantern ring adopts split structure, connects screw and bolted connection through the split, makes things convenient for concatenation and the installation of steel lantern ring in narrow and small space, improves work efficiency adaptation field installation condition, and the steel lantern ring is fixed between pipeline and the wall simultaneously, does benefit to the pipeline reinforcement and the wall waterproof.
Further, the protection and reinforcement method for the explosion-proof pipeline is characterized by comprising the following steps of:
s1: investigation and pretreatment of a pipeline water seepage part;
s2: spraying an anti-corrosion layer on the surface of the pipeline;
s3: coating and reinforcing the outside of the pipeline by using a plurality of layers of composite materials, wherein the layers of composite materials sequentially form a first tough resin layer by winding nylon mesh cloth and roll coating or brushing reinforced resin; winding ultra-high molecular weight polyethylene net bones, and rolling or brushing reinforced composite resin to form a fiber structure layer; forming a second tough resin layer by winding a nylon mesh, roll-coating or brush-coating a reinforcing resin; and spraying the glass fiber reinforced epoxy resin composite layer to form a rigid resin layer.
S4: reinforcing a pipeline buttress;
s5: and a steel sleeve ring is arranged between the pipeline and the wall surface.
Through above-mentioned technical scheme, carry out reconnaissance and preliminary treatment on pipeline infiltration position and make things convenient for going on of follow-up step, be used for the pipeline to prevent corrosion at pipeline surface spraying anticorrosive coating, make things convenient for next floor to bond, improve toughness and the rigidity of pipeline through multilayer combined material parcel, effectively resist inside rivers impact and outside striking, consolidate the pipeline buttress simultaneously, increase the stress area, weaken the deformation that the pipeline arouses because of the dead weight, at last install the steel lantern ring between pipeline and wall, do benefit to the pipeline reinforcement and the wall waterproof.
In S1, plugging a water seepage part of a pipeline through an adhesive; brushing the surface of the pipeline through foam and clear water; polishing the concrete wall surface penetrated by the pipeline through a steel brush and flushing with clear water; the inverted arch part of the pipeline buttress is washed by clean water; surrounding the valve well and avoiding dust.
Further, the anticorrosive layer in the step S2 is made of an epoxy zinc-rich anticorrosive material, and is formed by spraying a dry film with a thickness of more than 100 micrometers and naturally solidifying.
Through the technical scheme, the pipeline is externally sprayed with the anti-corrosion layer, so that the pipeline is mainly used for corrosion prevention, and meanwhile, the surface of the pipeline is regular and clean, and the next layer of treatment and adhesion are facilitated. Meanwhile, the anti-corrosion layer adopts an epoxy zinc-rich material to play a role in protecting the metal pipe from the cathode, thereby being beneficial to improving the integrity of the pipeline and the reliability of use. Polyurethane, acrylic materials, etc. can also be used for the corrosion-preventing layer.
Further, S301 is provided between S3 and S4: and brushing a layer of finish paint on the outer surface of the multilayer composite material, wherein the finish paint is polyurethane light-colored reflective paint.
Through the technical scheme, the finishing paint is mainly used for preventing sunlight from irradiating the inner layer, aging resistance, ultraviolet resistance and the like.
Further, S302 is provided between S301 and S4: and (3) leaving a sufficient length of the multilayer composite material at the part where the pipeline and the wall surface pass through, wherein the multilayer composite material extends from the surface of the pipeline to be attached to the wall surface.
Through the technical scheme, the multilayer composite material with sufficient length is reserved to be extended from the surface of the pipeline and attached to the wall surface, so that the multilayer composite material is bent to wrap the pipeline, and no dead angle is reserved.
Further, in the step S4, the existing pipeline buttress is lengthened and widened in a concrete cast-in-place mode, and the amounts of lengthening, widening and heightening are increased by 10% -50%.
Through the technical scheme, the pipeline buttress is lengthened, widened and heightened, the stressed area of the buttress and the pipeline can be increased, and the deformation of the pipeline caused by dead weight is weakened.
Further, S401 is disposed between S4 and S5: and each wall penetrated by the pipeline is provided with an expansion bolt hole corresponding to the bolt mounting hole of the steel sleeve ring, each expansion bolt hole is embedded with an expansion bolt, and the multilayer composite material clung to the wall surface in the S302 is provided with a through hole corresponding to the expansion bolt hole.
Through above-mentioned technical scheme, bore expansion bolt hole in advance, pre-buried expansion bolts, make things convenient for steel lantern ring and wall fixed. The steel lantern ring is fixed with the wall surface through the expansion bolts, and the steel lantern ring compresses the multilayer composite material on the wall surface. The multi-layer composite material is complete, does not deform or shift, improves the cladding effect, fixes the pipeline and the wall surface by the steel lantern ring, and is favorable for reinforcing the pipeline and preventing the wall surface from water.
The beneficial effects of the invention are as follows:
1) The strength of the pipeline is improved, the integrity of the pipeline is maintained, and the service life of the pipeline is prolonged. Spraying an anti-corrosion layer on the surface of the pipeline for corrosion prevention, so as to ensure the integrity of the pipeline; the anti-corrosion layer is wrapped with a plurality of layers of composite materials, and the compressive strength, the yield strength and the like of the pipeline are provided through a multi-layer structure.
2) Increasing the support and stability of the pipe. The pipeline buttress is reinforced, the stressed area is increased, the deformation of the pipeline caused by dead weight is weakened, and finally, the steel lantern ring is arranged between the pipeline and the wall surface, so that the pipeline reinforcement and the wall surface water prevention are facilitated.
Drawings
FIG. 1 is a schematic diagram of the invention after a protection reinforcement method for explosion protection of a pipeline is adopted;
FIG. 2 is a schematic view of a multi-layer composite according to the present invention
FIG. 3 is a schematic view of a conduit pier according to the present invention;
FIG. 4 is a schematic view of an expansion bolt hole in the present invention;
FIG. 5 is a schematic view of a steel collar of the present invention;
in the figure, 1-multilayer composite material, 101-anticorrosive layer, 102-first tough resin layer, 103-fiber structure layer, 104-second tough resin layer, 105-rigid resin layer, 106-finish paint, 2-pipeline buttress, 201-clamping damping material, 3-expansion bolt hole, 4-steel collar, 401-split connecting screw hole, 402-bolt mounting hole, 5-expansion bolt and 6-pipeline.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
as shown in fig. 1 to 5, a specific implementation method of the explosion-proof pipeline is as follows: the composite material comprises a pipeline 6 and a plurality of layers of composite materials 1, wherein the pipeline 6 is coated with the plurality of layers of composite materials 1, each layer of the plurality of layers of composite materials 1 comprises a plurality of fabric monolayers, and each layer of composite materials 1 comprises a first tough resin layer 102, a fiber structure layer 103, a second tough resin layer 104 and a rigid resin layer 105 which are sequentially arranged from the pipeline 6 to the outside.
Through the technical scheme, the first tough resin layer and the second tough resin layer are used for toughness protection, and once the pipeline leaks water and bursts, water flow flushing and grinding can be effectively resisted. The fiber structure layer provides rigid support, prevents excessive yielding of the first and second ductile resin layers, maintains the shape integrity, provides compressive strength, and the rigid resin layer provides rigid compressive strength, promotes overall yield strength, prevents foreign object impact, shock.
Further, the first ductile resin layer 102 comprises a nylon mesh and a reinforced resin layer, the reinforced resin layer is a continuous whole, and the nylon mesh is covered by the reinforced resin layer; the fiber structure layer 103 comprises an ultra-high molecular weight polyethylene network bone and a reinforced resin composite layer, wherein the reinforced resin composite layer is a continuous whole body, and the reinforced resin composite layer covers the ultra-high molecular weight polyethylene network bone; the second ductile resin layer 104 and the first ductile resin layer 102 have the same specifications, and the rigid resin layer 105 comprises a glass fiber reinforced epoxy resin composite layer.
Through the technical scheme, the first and second tough resin layers comprise nylon mesh cloth and the reinforced resin layer, so that toughness protection can be improved, wherein the reinforced resin layer can adopt organic silicon resin, fluorosilicone modified resin, polyurea, polyurethane elastomer and the like; the fiber structure layer comprises an ultra-high molecular weight polyethylene net bone and a reinforced resin composite layer, and provides rigid support, wherein the ultra-high molecular weight polyethylene net can be replaced by net materials such as a polyester net and the like; the rigid resin layer comprises a glass fiber reinforced epoxy resin composite layer which is used for providing rigid compressive strength and improving overall yield strength, wherein the glass fiber reinforced epoxy resin composite layer can be replaced by rigid materials such as epoxy glass fiber reinforced plastic, epoxy mortar, polyacrylate and the like. Wherein the reinforced resin layer is formed by brushing the outer wall of the pipeline into a continuous whole in a roller coating or brushing mode, and the nylon mesh cloth, the ultra-high molecular weight polyethylene mesh bone and other fabrics are coated.
Further, a pipe support pier 2 is arranged below the pipe 6 and the multilayer composite material 1, the pipe support pier 2 is of a U-shaped structure, and a clamping damping material 201 is arranged on the pipe support pier 2.
Through the technical scheme, the pipeline buttress can increase the stressed area of the buttress and the pipeline, and weaken the deformation of the pipeline caused by dead weight. The clamping damping material between the pipeline and the pipeline buttress is used as a buffer layer for protecting the pipeline.
Further, the connection part of the pipeline 6 and the wall surface is provided with a steel lantern ring 4, the steel lantern ring 4 is of a split type assembly structure, the connection part of the right angle area of the steel lantern ring 4, which is convex, is provided with split type connection screw holes 401, and the surface of the steel lantern ring 4 is provided with two rings of bolt mounting holes 402.
Through above-mentioned technical scheme, steel lantern ring adopts split structure, connects screw and bolted connection through the split, makes things convenient for concatenation and the installation of steel lantern ring in narrow and small space, improves work efficiency adaptation field installation condition, and the steel lantern ring is fixed between pipeline and the wall simultaneously, does benefit to the pipeline reinforcement and the wall waterproof.
The concrete implementation method of the protection and reinforcement method of the explosion-proof pipeline comprises the following steps:
s1: investigation and pretreatment of a pipeline water seepage part, wherein the S1 comprises the following steps:
the water seepage part of the pipeline 6 is plugged by an adhesive, so that the water seepage part can be plugged, and the subsequent protection and reinforcement are convenient; the surface of the pipeline 6 is brushed by foam and clean water, so that the spraying of the anticorrosive coating 101 on the surface layer of the pipeline is facilitated; the concrete wall surface penetrated by the pipeline 6 is polished by a steel brush and washed by clean water, so that the concrete wall surface is prevented from dust falling, and the spraying effect of the anticorrosive coating 101 is prevented from being affected; the inverted arch part of the pipeline buttress 2 is washed by clean water, so that the inverted arch part of the pipeline buttress 2 is cleaned, and the damping material 201 is convenient to clamp; surrounding and dust-avoiding the valve well, and preventing dust from entering the well to influence the protection and reinforcement treatment of the underground pipeline 6.
S2: the anti-corrosion layer 101 is sprayed on the surface of the pipeline, the anti-corrosion layer 101 is sprayed outside the pipeline, and the anti-corrosion layer 101 is mainly used for corrosion prevention of the pipeline, and meanwhile, the surface of the pipeline 6 is regulated and cleaned, so that the treatment and adhesion of the multilayer composite material 1 are facilitated. Meanwhile, the anti-corrosion layer 101 is made of epoxy zinc-rich material, so that a cathode protection effect can be achieved on the metal pipeline, and the integrity and the use reliability of the pipeline 6 are improved. The anticorrosive layer 101 may be made of polyurethane, acrylic material, or the like.
S3: coating and reinforcing the outside of the pipeline 6 by using a plurality of layers of composite materials 1, wherein the layers of composite materials 1 sequentially form a first tough resin layer 102 by winding nylon mesh cloth and rolling or brushing reinforced resin; winding ultra-high molecular weight polyethylene net bones, and rolling or brushing reinforced composite resin to form a fiber structure layer 103; forming a second tough resin layer 104 by winding a nylon mesh, roll-coating or brush-coating a reinforcing resin; the glass fiber reinforced epoxy resin composite layer is sprayed to form the rigid resin layer 105.
The first and second ductile resin layers 102 and 104 are used for ductile protection, and once the pipeline leaks and bursts, water flow flushing and grinding can be effectively resisted; the fiber structure layer 103 provides rigid support, prevents the first and second ductile resin layers 102 and 104 from excessively yielding, maintains the shape integrity, and provides compressive strength; the rigid resin layer 105 provides a rigid compressive strength, promotes overall yield strength, and prevents foreign object impact.
S301: the outer surface of the multilayer composite material 1 is brushed with a layer of finish paint 106, and the finish paint 106 is polyurethane light-colored reflective paint, so that the inner layer is prevented from being irradiated by sunlight, and the composite material is ageing-resistant, ultraviolet-resistant and the like.
S302: at the position where the pipeline 6 and the wall surface pass through, a multilayer composite material 1 with sufficient length is reserved, and is extended from the surface of the pipeline to be attached to the wall surface, so that the multilayer composite material 1 is bent to wrap the pipeline 6 without dead angles.
S4: the existing pipeline buttress 2 is lengthened and widened in a concrete cast-in-situ mode, the amounts of lengthening, widening and heightening are increased by 10% -50%, the stress area of the pipeline buttress 2 and a pipeline is increased, and the deformation of the pipeline caused by dead weight is weakened.
S401: the expansion bolt holes 3 corresponding to the bolt mounting holes 402 of the steel lantern ring 4 are formed in each wall through which the pipeline 6 passes, the expansion bolts 5 are embedded in each expansion bolt hole 3, through holes corresponding to the expansion bolt holes 3 are formed in the multi-layer composite material 1 which is tightly attached to the wall in the S302, the expansion bolt holes 3 are drilled in advance, the expansion bolts 5 are embedded, and the steel lantern ring 4 is convenient to fix with the wall.
S5: a steel collar 4 is installed between the pipeline 6 and the wall surface. The steel lantern ring 4 is fixed with the wall surface through the expansion bolts 5, and the steel lantern ring 4 presses the multilayer composite 1 on the wall surface. The multi-layer composite material 1 is complete, does not deform or displace, improves the cladding effect, and simultaneously fixes the pipeline 6 with the wall surface by the steel lantern ring 4, thereby being beneficial to the reinforcement of the pipeline 6 and the water prevention of the wall surface.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.

Claims (10)

1. An explosion-proof pipeline, characterized in that: including pipeline (6) and multilayer combined material (1), multilayer combined material (1) cladding is in the outside of pipeline (6), multilayer combined material (1) is formed by the multilayer is compound, every layer of multilayer combined material (1) includes a plurality of fabric individual layers, multilayer combined material (1) include from pipeline (6) outwards first toughness resin layer (102), fibrous structure layer (103), second toughness resin layer (104), rigid resin layer (105) that every layer set gradually.
2. An explosion-proof conduit according to claim 1, wherein: the first ductile resin layer (102) comprises nylon mesh cloth and a reinforced resin layer, the reinforced resin layer is a continuous whole, and the nylon mesh cloth is covered by the reinforced resin layer; the fiber structure layer (103) comprises an ultra-high molecular weight polyethylene net bone and a reinforced resin composite layer, wherein the reinforced resin composite layer is a continuous whole, and the reinforced resin composite layer covers the ultra-high molecular weight polyethylene net bone; the second tough resin layer (104) and the first tough resin layer (102) have the same specification, and the rigid resin layer (105) comprises a glass fiber reinforced epoxy resin composite layer.
3. An explosion-proof conduit according to claim 1, wherein: the pipeline (6) with the below of multilayer combined material (1) is equipped with pipeline buttress (2), pipeline buttress (2) are U type structure, be equipped with on pipeline buttress (2) centre gripping damping material (201).
4. An explosion-proof conduit according to claim 1, wherein: the pipeline (6) is equipped with steel lantern ring (4) with the wall junction, steel lantern ring (4) are split type and assemble the structure, the bellied junction in steel lantern ring (4) right angle region is equipped with split connection screw (401), the surface of steel lantern ring (4) is equipped with two rings of bolt mounting holes (402).
5. The protection and reinforcement method for the explosion-proof pipeline is characterized by comprising the following steps of:
s1: investigation and pretreatment of the water seepage part of the pipeline (6);
s2: spraying an anti-corrosion layer (101) on the surface of the pipeline (6);
s3: coating and reinforcing the outside of the pipeline (6) by using a multi-layer composite material (1), wherein the multi-layer composite material (1) sequentially forms a first tough resin layer (102) by winding nylon mesh cloth and rolling or brushing reinforced resin; winding ultra-high molecular weight polyethylene net bones, and rolling or brushing reinforced composite resin to form a fiber structure layer (103); forming a second tough resin layer (104) by winding a nylon mesh, roll-coating or brush-coating a reinforcing resin; forming a rigid resin layer (105) by winding glass fiber cloth, and rolling or brushing epoxy resin;
s4: reinforcing the pipeline buttress (2);
s5: a steel collar (4) is arranged between the pipeline and the wall surface.
6. The protection and reinforcement method for an explosion-proof pipeline according to claim 5, wherein: and the anticorrosive layer (101) in the step S2 is made of an epoxy zinc-rich anticorrosive material, and is formed by spraying a dry film with the thickness of more than 100 micrometers and naturally solidifying.
7. The protection and reinforcement method for an explosion-proof pipeline according to claim 5, wherein: s301 is provided between S3 and S4: and brushing a layer of finish paint (106) on the outer surface of the multilayer composite material (1), wherein the finish paint (106) is polyurethane light-colored reflective paint.
8. The protection and reinforcement method for an explosion-proof pipeline according to claim 7, wherein: s302 is provided between S301 and S4: leaving a sufficient length of the multilayer composite (1) at the position where the pipeline (6) and the wall surface pass through, wherein the multilayer composite (1) extends from the surface of the pipeline (6) and is attached to the wall surface.
9. The protection and reinforcement method for an explosion-proof pipeline according to claim 5, wherein: in the step S4, the existing pipeline buttress (2) is lengthened and widened in a concrete cast-in-situ mode, and the amounts of lengthening, widening and heightening are increased by 10% -50%.
10. The protection and reinforcement method for an explosion-proof pipeline according to claim 5, wherein: and S401 is arranged between the S4 and the S5: each wall through which a pipeline (6) passes is provided with an expansion bolt hole (3) corresponding to a bolt mounting hole (402) of the steel sleeve ring (4), each expansion bolt hole (3) is internally embedded with an expansion bolt (5), and the multilayer composite material (1) which is tightly attached to the wall in the S302 is provided with a through hole corresponding to the expansion bolt hole (3).
CN202310617197.2A 2023-05-29 2023-05-29 Explosion-proof pipeline and protection fixing method thereof Pending CN116518164A (en)

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CN202310617197.2A CN116518164A (en) 2023-05-29 2023-05-29 Explosion-proof pipeline and protection fixing method thereof

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