CN112555521A - High-strength anti-corrosion anti-permeability infusion pipeline - Google Patents
High-strength anti-corrosion anti-permeability infusion pipeline Download PDFInfo
- Publication number
- CN112555521A CN112555521A CN202011504775.4A CN202011504775A CN112555521A CN 112555521 A CN112555521 A CN 112555521A CN 202011504775 A CN202011504775 A CN 202011504775A CN 112555521 A CN112555521 A CN 112555521A
- Authority
- CN
- China
- Prior art keywords
- concrete
- pipe
- wall
- layer
- steel cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001802 infusion Methods 0.000 title claims abstract description 61
- 238000005260 corrosion Methods 0.000 title claims abstract description 31
- 230000003487 anti-permeability effect Effects 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 102
- 239000010959 steel Substances 0.000 claims abstract description 102
- 239000004567 concrete Substances 0.000 claims abstract description 94
- 239000010410 layer Substances 0.000 claims abstract description 90
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 31
- 239000004698 Polyethylene Substances 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims abstract description 24
- -1 polyethylene Polymers 0.000 claims abstract description 24
- 229920000573 polyethylene Polymers 0.000 claims abstract description 24
- 239000011241 protective layer Substances 0.000 claims abstract description 20
- 238000004806 packaging method and process Methods 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910021389 graphene Inorganic materials 0.000 claims description 15
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 10
- 229910052749 magnesium Inorganic materials 0.000 claims description 10
- 239000011777 magnesium Substances 0.000 claims description 10
- 239000011083 cement mortar Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010422 painting Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a high-strength anti-corrosion anti-permeability infusion pipeline, which comprises: the device comprises a transfusion pipeline, a packaging device and a concrete socket pipe; one end of the infusion pipeline is provided with a concrete socket pipe, and the other end of the infusion pipe is provided with a packaging device; the infusion pipeline comprises a sieve mesh type steel cylinder and a prestressed wire layer; one end of the sieve-hole type steel cylinder is provided with a connecting ring; a plurality of through holes are formed in the outer side of the sieve-hole type steel cylinder; the inner wall of the sieve-hole type steel cylinder is provided with inner layer concrete; the outer wall of the sieve-hole type steel cylinder is provided with outer concrete; the inner wall of the inner layer concrete is provided with a steel wire mesh framework polyethylene composite pipe; a prestressed wire layer is arranged on the outer wall of the outer layer concrete; a mortar protective layer is arranged on the outer wall of the prestressed wire layer; the novel plastic infusion support has the characteristics of high compressive strength and good corrosion resistance, has long service life and good tightness, and is particularly suitable for major municipal pipe gallery engineering of long-distance and large-flow infusion.
Description
Technical Field
The invention relates to the technical field of infusion pipelines, in particular to a high-strength anti-corrosion anti-permeability infusion pipeline.
Background
In recent years, with the rapid development of prestressed concrete cylinder pipes (hereinafter referred to as PCCP) in China, the prestressed concrete cylinder pipes are composite pipes widely applied to various large water delivery projects, have the characteristics of good tightness, corrosion resistance, ultra-large caliber and suitability for long-distance water and oil delivery, and have wider application prospects.
With the rapid development of economy in China, the application of the PCCP can be expected to obtain a further improved space, but as the PCCP pipeline buried in the soil environment, the PCCP can be subjected to long-time scouring failure in a protective layer and the interior of the PCCP pipeline along with the prolonging of service time, so that the corrosion failure of a steel wire and a steel cylinder can be caused, the phenomena of perforation leakage and even pipe explosion can be caused, and hidden dangers can be caused to the safe operation of a pipeline system.
Disclosure of Invention
The invention aims to provide a high-strength anti-corrosion and anti-permeability infusion pipeline, which solves the problems in the prior art, has the characteristics of high compressive strength and good anti-corrosion performance, has longer service life and better tightness, and is particularly suitable for major municipal pipe gallery engineering for long-distance and large-flow infusion.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a high-strength anti-corrosion anti-permeability infusion pipeline, which comprises: the device comprises a transfusion pipeline, a packaging device and a concrete socket pipe; one end of the infusion pipe is provided with the concrete socket pipe, and the other end of the infusion pipe is provided with the packaging device;
the infusion pipeline comprises a sieve mesh type steel cylinder and a prestressed wire layer; one end of the sieve-hole type steel cylinder is provided with a connecting ring; a plurality of through holes are formed in the outer side of the sieve-hole type steel cylinder; the inner wall of the sieve-hole type steel cylinder is provided with inner-layer concrete; the outer wall of the sieve-hole type steel cylinder is provided with outer concrete; the inner wall of the inner layer concrete is provided with a steel wire mesh framework polyethylene composite pipe; the outer wall of the outer layer concrete is provided with the prestressed steel wire layer; and a mortar protective layer is arranged on the outer wall of the prestressed steel wire layer.
Preferably, 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 damp-heat aging resistance of the adhesive can be improved.
One end of the concrete bell pipe is fixedly connected with the outer layer concrete; the outer wall of the connecting ring is fixedly connected with the inner pipe wall of the concrete bell pipe; and graphene anticorrosive coatings are arranged on the outer wall of the mortar protective layer and the outer pipe wall of the concrete bell pipe.
Preferably, a sieve mesh type steel cylinder is adopted, and the steel cylinder structure is formed by opening circular holes in a partial section 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, so that the connection performance between the steel and the concrete is effectively improved, and the shearing resistance of the structure is enhanced.
The packaging device comprises a rubber sealing ring, a baffle plate, a probe tube and a bracket; the outer layer concrete, the sieve mesh type steel cylinder, the inner layer concrete and the steel wire mesh framework polyethylene composite pipe at the other end of the infusion device extend outwards to form an extension part; a plurality of rubber sealing rings are sleeved on the extending part; the end face of the other end of the infusion pipeline is circumferentially provided with a plurality of brackets; the other end of the infusion pipeline is provided with the baffle; one end of the probe pipe penetrates through the baffle and the support in sequence.
Preferably, the circumferential and radial prestressed steel wires are wound on the outer concrete layer, and a mortar protective layer is laid on the outer side of the prestressed steel wires, so that the corrosion resistance of the prestressed steel wires is improved. And brushing a graphene anticorrosive coating on the outer side of the mortar protective layer to isolate the invasion of chloride ions in soil. And the graphene anti-corrosion coating has higher strength and can bear the abrasion of an external soil body to the infusion pipeline.
And a silane coupling agent coating is arranged on the outer wall of the steel wire mesh framework polyethylene composite pipe.
The baffle comprises a plurality of sub-baffles; the end face of the other end of the infusion pipeline is circumferentially provided with a plurality of sub-baffles; mounting holes are formed in the side faces of the sub-baffles; one end of the probe tube penetrates through the mounting hole.
The outer wall of the sieve-hole type steel cylinder is provided with a plurality of through holes.
Preferably, the wire is respectively connected with the sieve-hole steel cylinder and the prestressed steel wire, penetrates through the protective layer and is led out, and after the pavement is finished, the wire is connected with the magnesium block to serve as a protector for the sieve-hole steel cylinder and the prestressed steel wire.
The manufacturing method based on the high-strength anti-corrosion anti-permeability infusion pipeline comprises the following steps:
step one, welding the connecting ring with one end of the sieve-mesh steel cylinder, and forming a through hole in the outer wall of the sieve-mesh steel cylinder;
step two, respectively hoisting the mesh type steel cylinder and the steel wire mesh framework polyethylene composite pipe in the step one into a mold, connecting the mesh type steel cylinder by using a conducting wire and leading out, pouring the inner layer concrete and the outer layer concrete, and compacting the concrete through high-frequency strong vibration to fasten and form the inner layer concrete, the steel wire mesh framework polyethylene composite pipe, the mesh type steel cylinder and the outer layer concrete; fixedly connecting one end of the outer layer concrete with the concrete socket pipe;
step three, performing steam curing on the inner layer concrete and the outer layer concrete, demolding, winding the prestressed steel wire layer, connecting the prestressed steel wires by using electric wires, leading out the prestressed steel wires to the outer side of the pipeline, building a mold, and pouring the mortar protective layer;
the connection of the steel wire mesh framework polyethylene composite pipe adopts electric hot melt connection, and an electric heating wire embedded in the inner surface of the steel wire mesh framework polyethylene composite pipe is electrified to heat the steel wire mesh framework polyethylene composite pipe; firstly, melting the inner surface of the steel wire mesh framework polyethylene composite pipe to generate a melt, melting and expanding and filling the gap of the pipe fitting until the outer surface of the pipe also generates the melt, mutually melting the two melts together, and after cooling and forming, tightly connecting the pipe fitting and the pipe fitting into a whole;
step three, after the mortar protective layer is maintained and demoulded, painting the graphene anticorrosive coating on the outer wall of the mortar protective layer;
painting the graphene anticorrosive coating on the outer pipe wall of the concrete socket pipe;
sawing the graphene anticorrosive coating, the mortar protective layer and the prestressed wire layer at the other end of the infusion pipeline by using a grinding wheel, polishing the exposed outer concrete layer, and sleeving the rubber sealing ring at the exposed end of the outer concrete layer;
and step six, sealing the bell and spigot by the baffle plate, and carrying out bell and spigot butt joint.
And seventhly, after the infusion pipeline is fixed, connecting the wires connected with the sieve-mesh steel cylinder and the prestressed steel wires with the magnesium block respectively to make the cathode protection of the sacrificial anode.
And in the third step, the inner concrete layer and the outer concrete layer are subjected to steam curing, and after demolding, a plurality of layers of circumferentially and longitudinally combined prestressed wires are wound on the outer wall of the outer concrete layer to form the prestressed wire layer.
In the sixth step, the rubber sealing ring and the joint of the socket and the spigot are fully coated with sealing waterproof glue; the steel wire mesh framework polyethylene composite pipe at the joint of the bell and spigot is subjected to electric hot melt connection and waterproof test, the other end of the infusion pipeline is provided with the baffle, the support and the probe pipe, the tail ends of the probe pipes are connected with sub-pipelines used for conveying cement mortar, the sub-pipelines are connected with a main pipeline, a mortar pump conveys the cement mortar to the main pipeline through a power conveying pipe, and then the main pipeline is respectively conveyed to the probe pipes connected with the sub-pipelines, the cement mortar is injected into the bell and spigot through the probe pipes, and in the process of pouring the mortar, the probe pipes are gradually taken out and finally completely separated. And after the mortar is solidified, removing the baffle and the bracket, and coating an asphalt waterproof layer on the outer side.
And in the seventh step, the magnesium blocks are replaced at proper time according to the sizes of the magnesium blocks.
The invention discloses the following technical effects: the novel high-pressure-resistant anti-corrosion plastic has the characteristics of high compressive strength and good anti-corrosion performance, has longer service life and better tightness, and is particularly suitable for major municipal pipe gallery engineering of long-distance and large-flow infusion.
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 diagram of the present invention.
Fig. 2 is a schematic view of the structure of the infusion tube of the present invention.
FIG. 3 is a schematic view of the infusion tubing connection of the present invention.
Fig. 4 is a schematic structural diagram of the mesh type steel cylinder of the present invention.
FIG. 5 is a schematic view of the structure of the socket pipe of the present invention.
The anti-corrosion device comprises a graphene anti-corrosion coating 1, a mortar protective layer 2, a prestressed steel wire layer 4, outer concrete, a sieve mesh type steel cylinder 5, inner concrete 6, a steel wire mesh framework polyethylene composite pipe 7, a rubber sealing ring 8, a baffle 9, a support 10, a probe pipe 11 and a connecting ring 12.
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.
The invention provides a high-strength anti-corrosion anti-permeability infusion pipeline, which comprises: the device comprises a transfusion pipeline, a packaging device and a concrete socket pipe; one end of the infusion pipeline is provided with a concrete socket pipe, and the other end of the infusion pipe is provided with a packaging device;
the infusion pipeline comprises a sieve mesh type steel cylinder 5 and a prestressed wire layer 3; one end of the sieve mesh type steel cylinder 5 is provided with a connecting ring 12; a plurality of through holes are formed in the outer side of the sieve mesh type steel cylinder 5; the inner wall of the sieve mesh type steel cylinder 5 is provided with inner layer concrete 6; the outer layer concrete 4 is arranged on the outer wall of the sieve mesh type steel cylinder 5; the inner wall of the inner layer concrete 6 is provided with a steel wire mesh framework polyethylene composite pipe 7; the outer wall of the outer layer concrete 4 is provided with a prestressed wire layer 3; and a mortar protective layer 2 is arranged on the outer wall of the prestressed steel wire layer 3.
One end of the concrete bell pipe is fixedly connected with the outer layer concrete 4; the outer wall of the connecting ring 12 is fixedly connected with the inner pipe wall of the concrete bell pipe; and the outer wall of the mortar protective layer 2 and the outer pipe wall of the concrete bell pipe are provided with a graphene anticorrosive coating 1.
The packaging device comprises a rubber sealing ring 8, a baffle 9, a probe tube 11 and a bracket 10; the outer layer concrete 4, the sieve mesh type steel cylinder 5, the inner layer concrete 6 and the steel wire mesh framework polyethylene composite pipe 7 at the other end of the infusion device extend outwards to form an extension part; a plurality of rubber sealing rings 8 are sleeved on the extending part; a plurality of brackets 10 are circumferentially arranged on the end surface of the other end of the infusion pipeline; the other end of the infusion pipeline is provided with a baffle plate 9; one end of the probe tube 11 penetrates the baffle 9 and the bracket 10 in sequence.
And a silane coupling agent coating is arranged on the outer wall of the steel wire mesh framework polyethylene composite pipe 7.
The baffle 9 comprises a plurality of sub-baffles; a plurality of sub-baffles are circumferentially arranged on the end surface of the other end of the infusion pipeline; mounting holes are formed in the side faces of the sub-baffles; one end of the probe tube 11 passes through the mounting hole.
The outer wall of the sieve mesh type steel cylinder 5 is provided with a plurality of through holes.
The manufacturing method based on the high-strength anti-corrosion anti-permeability infusion pipeline comprises the following steps:
firstly, welding a connecting ring 12 with one end of a sieve-mesh steel cylinder 5, and forming a through hole on the outer wall of the sieve-mesh steel cylinder 5;
step two, respectively hoisting the sieve mesh type steel cylinder 5 and the steel wire mesh framework polyethylene composite pipe 7 in the step one into a mold, connecting the sieve mesh type steel cylinder 5 by using a conducting wire and leading out, pouring the inner layer concrete 6 and the outer layer concrete 4, and compacting the concrete through high-frequency strong vibration to fasten and form the inner layer concrete 6, the steel wire mesh framework polyethylene composite pipe 7, the sieve mesh type steel cylinder 5 and the outer layer concrete 4; fixedly connecting one end of the outer layer concrete 4 with a concrete socket pipe;
step three, performing steam curing on the inner layer concrete 6 and the outer layer concrete 4, demolding, winding the prestressed steel wire layer 3, connecting the prestressed steel wires by using electric wires, leading out the prestressed steel wires to the outer side of the pipeline, building a mold, and pouring the mortar protective layer 2;
step three, after the mortar protection layer 2 is maintained and demoulded, painting a graphene anticorrosive coating 1 on the outer wall of the mortar protection layer 2;
painting a graphene anticorrosive coating 1 on the outer pipe wall of the concrete bell pipe;
sawing the graphene anticorrosive coating 1, the mortar protective layer 2 and the prestressed wire layer 3 at the other end of the infusion pipeline by using a grinding wheel, polishing the exposed outer concrete layer 4, and sleeving a rubber sealing ring 8 on the exposed end of the outer concrete layer 4;
and step six, closing the bell and spigot by the baffle 9, and butting the bell and spigot.
And seventhly, after the infusion pipeline is fixed, connecting the lead wires connected with the sieve-mesh steel cylinder 5 and the prestressed steel wires with the magnesium block respectively to make the cathode protection of the sacrificial anode.
In the third step, the inner layer concrete 6 and the outer layer concrete 4 are subjected to steam curing, and after demolding, a plurality of layers of circumferentially and longitudinally combined prestressed wires are wound on the outer wall of the outer layer concrete 4 to form the prestressed wire layer 3.
In the sixth step, the rubber sealing ring 8 and the joint of the socket and the spigot are fully coated with waterproof sealing glue; carry out the electrothermal welding to the compound pipe 7 of wire net skeleton polyethylene of bell and spigot handing-over department and connect and carry out waterproof test, other end installation baffle 9 at infusion pipeline, support 10 and probe pipe 11, the end of a plurality of probe pipes 11 all is connected with the subduct that is used for carrying cement mortar, a plurality of subduct connections have the trunk line, the mortar pump passes through power transmission pipe with cement mortar and carries to the trunk line, then carry respectively to the probe pipe 11 with subduct connection by the trunk line, cement mortar pours the in-process of mortar into the bell and spigot through a plurality of probe pipes 11, probe pipe 11 takes out gradually, break away from at last completely. After the mortar is solidified, the baffle 9 and the bracket 10 are removed, and an asphalt waterproof layer is coated on the outer side.
And in the seventh step, the magnesium blocks are replaced at proper time according to the sizes of the magnesium blocks.
The invention discloses the following technical effects: the novel high-pressure-resistant anti-corrosion plastic has the characteristics of high compressive strength and good anti-corrosion performance, has longer service life and better tightness, and is particularly suitable for major municipal pipe gallery engineering of long-distance and large-flow infusion.
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. A high-strength anti-corrosion anti-permeability infusion pipeline is characterized by comprising: the device comprises a transfusion pipeline, a packaging device and a concrete socket pipe; one end of the infusion pipe is provided with the concrete socket pipe, and the other end of the infusion pipe is provided with the packaging device;
the infusion pipeline comprises a sieve mesh type steel cylinder (5) and a prestressed steel wire layer (3); one end of the sieve-mesh steel cylinder (5) is provided with a connecting ring (12); a plurality of through holes are formed in the outer side of the sieve mesh type steel cylinder (5); the inner wall of the sieve mesh type steel cylinder (5) is provided with inner layer concrete (6); the outer layer concrete (4) is arranged on the outer wall of the sieve mesh type steel cylinder (5); a steel wire mesh framework polyethylene composite pipe (7) is arranged on the inner wall of the inner layer concrete (6); the outer wall of the outer layer concrete (4) is provided with the prestressed steel wire layer (3); and a mortar protective layer (2) is arranged on the outer wall of the prestressed steel wire layer (3).
2. The high-strength anti-corrosion and anti-permeability infusion pipeline as claimed in claim 1, wherein: one end of the concrete bell pipe is fixedly connected with the outer layer concrete (4); the outer wall of the connecting ring (12) is fixedly connected with the inner pipe wall of the concrete bell pipe; and the outer wall of the mortar protective layer (2) and the outer pipe wall of the concrete socket pipe are provided with graphene anticorrosive coatings (1).
3. The high-strength anti-corrosion and anti-permeability infusion pipeline as claimed in claim 1, wherein: the packaging device comprises a rubber sealing ring (8), a baffle plate (9), a probe tube (11) and a bracket (10); the outer layer concrete (4), the sieve mesh type steel cylinder (5), the inner layer concrete (6) and the steel wire mesh framework polyethylene composite pipe (7) at the other end of the infusion device extend outwards to form an extension part; a plurality of rubber sealing rings (8) are sleeved on the extending part; a plurality of brackets (10) are circumferentially arranged on the end surface of the other end of the infusion pipeline; the other end of the infusion pipeline is provided with the baffle (9); one end of the probe tube (11) penetrates through the baffle (9) and the support (10) in sequence.
4. The high-strength anti-corrosion and anti-permeability infusion pipeline as claimed in claim 1, wherein: and a silane coupling agent coating is arranged on the outer wall of the steel wire mesh framework polyethylene composite pipe (7).
5. The high-strength anti-corrosion and anti-permeability infusion pipeline as claimed in claim 3, wherein: the baffle (9) comprises a plurality of sub baffles; the end face of the other end of the infusion pipeline is circumferentially provided with a plurality of sub-baffles; mounting holes are formed in the side faces of the sub-baffles; one end of the probe tube (11) penetrates through the mounting hole.
6. The high-strength anti-corrosion and anti-permeability infusion pipeline as claimed in claim 1, wherein: the outer wall of the sieve mesh type steel cylinder (5) is provided with a plurality of through holes.
7. A method for manufacturing a high-strength anti-corrosion and anti-permeability infusion pipeline based on any one of claims 1 to 6, which is characterized by comprising the following steps:
firstly, welding the connecting ring (12) with one end of the sieve-mesh steel cylinder (5), and forming a through hole on the outer wall of the sieve-mesh steel cylinder (5);
step two, respectively hoisting the mesh type steel cylinder (5) and the steel wire mesh framework polyethylene composite pipe (7) in the step one into a mold, connecting the mesh type steel cylinder (5) by using a conducting wire and leading out, pouring the inner layer concrete (6) and the outer layer concrete (4), and compacting the concrete through high-frequency strong vibration to fasten the inner layer concrete (6), the steel wire mesh framework polyethylene composite pipe (7), the mesh type steel cylinder (5) and the outer layer concrete (4) into shape; fixedly connecting one end of the outer layer concrete (4) with the concrete socket pipe;
step three, performing steam curing on the inner layer concrete (6) and the outer layer concrete (4), demolding, winding the prestressed steel wire layer (3), connecting the prestressed steel wires by using electric wires, leading out the prestressed steel wires to the outer side of the pipeline, building a mold, and pouring the mortar protective layer (2);
step three, after the mortar protection layer (2) is maintained and demoulded, painting the graphene anticorrosive coating (1) on the outer wall of the mortar protection layer (2);
painting the graphene anticorrosive coating (1) on the outer pipe wall of the concrete socket pipe;
sawing the graphene anticorrosive coating (1), the mortar protective layer (2) and the prestressed wire layer (3) at the other end of the infusion pipeline by using a grinding wheel, polishing the exposed outer concrete (4), and sleeving the exposed end of the outer concrete (4) with the rubber sealing ring (8);
and step six, sealing the bell and spigot by the baffle (9) and carrying out bell and spigot butt joint.
And seventhly, after the infusion pipeline is fixed, connecting the lead wires connected with the sieve-mesh steel cylinder (5) and the prestressed steel wires with the magnesium block respectively to make the cathode protection of the sacrificial anode.
8. The manufacturing method of the high-strength anti-corrosion anti-permeability infusion pipeline according to claim 7, characterized in that: and in the third step, the inner layer concrete (6) and the outer layer concrete (4) are subjected to steam curing, and after demolding, a plurality of layers of circumferentially and longitudinally combined prestressed steel wires are wound on the outer wall of the outer layer concrete (4) to form the prestressed steel wire layer (3).
9. The manufacturing method of the high-strength anti-corrosion anti-permeability infusion pipeline according to claim 7, characterized in that: in the sixth step, the rubber sealing ring (8) and the joint of the socket and the spigot are fully coated with sealing waterproof glue; the steel wire mesh framework polyethylene composite pipe (7) at the joint of the bell and spigot is subjected to electric hot melt connection and subjected to waterproof test, the other end of the infusion pipeline is provided with the baffle (9), the support (10) and the probe pipe (11), the tail ends of the probe pipes (11) are connected with sub pipelines for conveying cement mortar, the sub pipelines are connected with a main pipeline, a mortar pump conveys the cement mortar to the main pipeline through a power conveying pipe, the main pipeline is then respectively conveyed to the probe pipes (11) connected with the sub pipelines, the cement mortar is injected into the bell and spigot through the probe pipes (11), and in the process of pouring the mortar, the probe pipes (11) are gradually extracted and finally completely separated. And after the mortar is solidified, removing the baffle (9) and the bracket (10), and coating an asphalt waterproof layer on the outer side.
10. The manufacturing method of the high-strength anti-corrosion anti-permeability infusion pipeline according to claim 7, characterized in that: and in the seventh step, the magnesium blocks are replaced at proper time according to the sizes of the magnesium blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504775.4A CN112555521A (en) | 2020-12-18 | 2020-12-18 | High-strength anti-corrosion anti-permeability infusion pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504775.4A CN112555521A (en) | 2020-12-18 | 2020-12-18 | High-strength anti-corrosion anti-permeability infusion pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112555521A true CN112555521A (en) | 2021-03-26 |
Family
ID=75063623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011504775.4A Pending CN112555521A (en) | 2020-12-18 | 2020-12-18 | High-strength anti-corrosion anti-permeability infusion pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112555521A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048295A (en) * | 2021-04-21 | 2021-06-29 | 成都国通实业有限责任公司 | Steel reinforced plastic water supply pipe, water supply pipe system and construction method of water supply pipe |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008025200A1 (en) * | 2006-08-24 | 2008-03-06 | Tianjin Waterline Pccp Engineering Co., Ltd. | A prestressed concrete pipe unit with a steel socket and a steel spigot and a concrete pipe formed of such concrete pipe units |
| CN201187638Y (en) * | 2008-05-09 | 2009-01-28 | 天津万联管道工程有限公司 | Steel faucet prestress steel cylinder concrete pipe |
| CN202660078U (en) * | 2012-05-24 | 2013-01-09 | 山东龙泉管道工程股份有限公司 | Embedded prestressed concrete cylinder pipe with combined hot zinc immersion and epoxy coal tar corrosion prevention |
| CN204062205U (en) * | 2014-08-12 | 2014-12-31 | 张谭伟 | A kind of Novel composite pipe |
| CN207830757U (en) * | 2017-12-21 | 2018-09-07 | 沈阳工业大学 | Using the steel production route of CHARACTERISTICS OF TAILINGS SAND PVA fiber cement composites outsourcings |
| CN208219805U (en) * | 2018-05-16 | 2018-12-11 | 中国建筑一局(集团)有限公司 | Device for seepage-proofing treatment of joint of concrete prefabricated socket pipe |
| CN111006078A (en) * | 2018-10-08 | 2020-04-14 | 广水市浍洋科技有限公司 | Novel steel cylinder concrete pipe |
| CN111216232A (en) * | 2020-02-12 | 2020-06-02 | 浙江巨通管业有限公司 | High-quality prestressed steel cylinder concrete pipe and production process thereof |
| CN214368288U (en) * | 2020-12-18 | 2021-10-08 | 沈阳建筑大学 | A kind of high-strength anti-corrosion and anti-seepage infusion pipeline |
-
2020
- 2020-12-18 CN CN202011504775.4A patent/CN112555521A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008025200A1 (en) * | 2006-08-24 | 2008-03-06 | Tianjin Waterline Pccp Engineering Co., Ltd. | A prestressed concrete pipe unit with a steel socket and a steel spigot and a concrete pipe formed of such concrete pipe units |
| CN201187638Y (en) * | 2008-05-09 | 2009-01-28 | 天津万联管道工程有限公司 | Steel faucet prestress steel cylinder concrete pipe |
| CN202660078U (en) * | 2012-05-24 | 2013-01-09 | 山东龙泉管道工程股份有限公司 | Embedded prestressed concrete cylinder pipe with combined hot zinc immersion and epoxy coal tar corrosion prevention |
| CN204062205U (en) * | 2014-08-12 | 2014-12-31 | 张谭伟 | A kind of Novel composite pipe |
| CN207830757U (en) * | 2017-12-21 | 2018-09-07 | 沈阳工业大学 | Using the steel production route of CHARACTERISTICS OF TAILINGS SAND PVA fiber cement composites outsourcings |
| CN208219805U (en) * | 2018-05-16 | 2018-12-11 | 中国建筑一局(集团)有限公司 | Device for seepage-proofing treatment of joint of concrete prefabricated socket pipe |
| CN111006078A (en) * | 2018-10-08 | 2020-04-14 | 广水市浍洋科技有限公司 | Novel steel cylinder concrete pipe |
| CN111216232A (en) * | 2020-02-12 | 2020-06-02 | 浙江巨通管业有限公司 | High-quality prestressed steel cylinder concrete pipe and production process thereof |
| CN214368288U (en) * | 2020-12-18 | 2021-10-08 | 沈阳建筑大学 | A kind of high-strength anti-corrosion and anti-seepage infusion pipeline |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048295A (en) * | 2021-04-21 | 2021-06-29 | 成都国通实业有限责任公司 | Steel reinforced plastic water supply pipe, water supply pipe system and construction method of water supply pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101205999B (en) | Renovation reinforcement, reinforced and/or crack arrest technique for pipe | |
| CN202936484U (en) | Cathode protection system for underground pipeline system | |
| RU2618725C2 (en) | Method of filling the break in the coating of a pipeline with applicable coating, preferred by thermosolation coating | |
| CN101565989B (en) | Method for coaxially connecting FRP reinforcements by FRP connecting pipe and expansive cement | |
| CN104989432B (en) | The construction method in opening shaped steel consolidation by grouting tunnel | |
| CN102089482A (en) | Earthquake-resistant reinforced concrete water tight conduit and method of manufacturing same | |
| CN105909885A (en) | Prestressed cylinder concrete and plastic composite pipe and construction method thereof | |
| CN112555521A (en) | High-strength anti-corrosion anti-permeability infusion pipeline | |
| CN104482298A (en) | HDPE (high-density polyethylene) steel-plastic composite spiral winding drainage pipe installation construction method | |
| CN115076510B (en) | Repairing device and repairing method for reinforcing and repairing pipeline lining | |
| CN112227598A (en) | Prefabricated slab with built-in cavity and manufacturing method | |
| CN201373182Y (en) | Composite pipe jacking of glass fiber reinforced plastic and prestressed steel cylinder concrete | |
| CN102032416A (en) | A non-excavation repair method for local reinforcement of large-diameter drainage pipes inserted with steel pipes | |
| CN103470913B (en) | The linkage structure of metglass Steel Lining rubber and plastic submerged pipeline and making connecting means | |
| CN102021945A (en) | Method for connecting HDPE double-wall ripple drainage pipe | |
| CN214368288U (en) | A kind of high-strength anti-corrosion and anti-seepage infusion pipeline | |
| CN216408186U (en) | Prefabricated polyurethane heat-preservation fixed heat-insulation pipe bracket | |
| CN212277844U (en) | MPP power cable protection pipe that can splice fast | |
| CN206206821U (en) | A kind of real-time monitoring formula compound pipeline complex pipeline and conveyance conduit | |
| CN113513092B (en) | Civil engineering waterproof structure and construction method thereof | |
| CN210117732U (en) | An assembled underground pipe gallery | |
| CN210484850U (en) | PCCP culvert pipe with connect protect function | |
| CN204717234U (en) | Directional traversing pipeline sheath tube end annular space waterproof construction | |
| CN218787372U (en) | Double-flat-wall pipe with bellmouth and flat-spigot hollow structure wall | |
| CN110056006A (en) | A kind of assembled underground pipe gallery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |