CN113431988A - Condensation pipeline repairing structure based on composite material and construction method thereof - Google Patents
Condensation pipeline repairing structure based on composite material and construction method thereof Download PDFInfo
- Publication number
- CN113431988A CN113431988A CN202110639361.0A CN202110639361A CN113431988A CN 113431988 A CN113431988 A CN 113431988A CN 202110639361 A CN202110639361 A CN 202110639361A CN 113431988 A CN113431988 A CN 113431988A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- coating
- composite
- parts
- repairing
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000009833 condensation Methods 0.000 title claims abstract description 20
- 230000005494 condensation Effects 0.000 title claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 40
- 239000011248 coating agent Substances 0.000 claims abstract description 37
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 230000008439 repair process Effects 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 13
- 239000010935 stainless steel Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000004593 Epoxy Substances 0.000 claims abstract description 7
- -1 repair tape Substances 0.000 claims abstract description 5
- 239000003822 epoxy resin Substances 0.000 claims description 18
- 229920000647 polyepoxide Polymers 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 14
- 230000002209 hydrophobic effect Effects 0.000 claims description 14
- 239000006229 carbon black Substances 0.000 claims description 11
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000002808 molecular sieve Substances 0.000 claims description 8
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 241000209094 Oryza Species 0.000 claims description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004381 surface treatment Methods 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 239000005543 nano-size silicon particle Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding 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
- 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
-
- 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
- B23P6/00—Restoring or reconditioning objects
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
本发明公开了一种基于复合材料的结露管道修复结构及其施工方法，其包括端片和修复结构，端片固定在待修复区域的左右两边，修复结构位于两组端片之间，修复结构包括抗剥离涂层、修复带、环氧树脂封层和橡塑保温套管。本发明的有益效果有：采用多层复合结构，抗剥离层+修复带+封层+保温套管+不锈钢薄板，修复效果好，能有效防止再次结露；通过设置端片形成修复腔，便于修复结构的施工，保证了修复效果。
The invention discloses a dew condensation pipeline repair structure based on composite materials and a construction method thereof. The repair structure comprises an end piece and a repair structure. The end pieces are fixed on the left and right sides of the area to be repaired, and the repair structure is located between two sets of end pieces. Construction includes anti-peel coating, repair tape, epoxy seal and rubber-plastic insulation sleeve. The beneficial effects of the invention are as follows: adopting a multi-layer composite structure, anti-peeling layer + repair tape + sealing layer + thermal insulation sleeve + stainless steel sheet, the repair effect is good, and the dew condensation can be effectively prevented; The construction of the restoration structure ensures the restoration effect.
Description
Technical Field
The invention relates to a condensation pipeline repairing structure based on a composite material and a construction method thereof, and belongs to the technical field of pipeline repairing.
Background
The oil pipeline system, i.e. the pipeline system for transporting petroleum and petroleum products, is mainly composed of oil pipeline, oil transportation station and other auxiliary related equipments, is one of the main equipments in petroleum storage and transportation industry, and is also the most main transportation equipment for crude oil and petroleum products. The pipes of oil pipelines are generally steel pipes, and are connected into long-distance pipelines by welding, flanges and other connecting devices, and valves are used for opening and closing control and flow regulation. The oil pipeline mainly comprises conveying processes such as isothermal conveying, heating conveying, sequential conveying and the like. The corrosion and how to prevent corrosion of the pipeline are one of the important links of pipeline maintenance, wherein the dew condensation of the pipeline is an important factor for the corrosion damage of the pipeline, the water vapor content which can be borne in the air is effective at a certain temperature, the limit is called saturated humidity, and the excessive water vapor can be changed into water drops when the limit exceeds the saturated humidity, namely the dew condensation. Water droplets formed by condensation may adhere to external surfaces such as pipes and walls in the environment, and may adversely affect equipment and other operations. Dew is prevented in the pipeline, so that the corrosion is reduced, and the influence on the fluidity or the blockage of a pressure guide pipeline and the like is avoided. At present, the repair structure of the pipeline damaged by dew condensation is simple, and the repair effect needs to be enhanced urgently.
Disclosure of Invention
The invention aims to solve the technical problem of providing a condensation pipeline repairing structure based on a composite material and a construction method thereof.
The invention is realized by the following scheme: the utility model provides a structure is restoreed to dewfall pipeline based on combined material, its includes the end piece and restores the structure, the end piece is equipped with two sets ofly, fixes respectively on waiting to restore regional both sides about, it is located two sets ofly to restore the structure between the end piece, it includes anti peeling coating, restoration area, epoxy seal and rubber and plastic insulation support pipe to restore the structure, anti peeling coating sets up in the outside of waiting to restore the pipeline, the restoration area sets up anti peeling coating's the outside, the epoxy seal sets up the outside in restoration area, rubber and plastic insulation support pipe sets up the outside of epoxy seal.
The thickness of the anti-stripping coating is 4mm, and the thickness of the rubber-plastic heat-insulating sleeve is 20 mm.
Each group of the end plate comprises an upper half ring structure and a lower half ring structure, the upper half ring structure and the lower half ring structure are fixed into a ring structure during use and clamped outside a pipeline to be repaired, connecting blocks are arranged at the joints of the upper half ring structure and the lower half ring structure of the end plate, and bolts penetrate through the upper half ring structure and the lower half ring structure to fix the upper half ring structure and the lower half ring structure.
And a stainless steel thin plate is arranged on the outer side of the rubber and plastic heat-insulating sleeve.
The cross section of the end piece is of an L-shaped structure.
A construction method of a condensation pipeline repairing structure based on composite materials comprises the following steps,
firstly, carrying out defect positioning and creating a working surface on a pipeline to be reinforced and repaired;
step two, processing the surface of the pipeline;
step three, filling up the surface defects of the steel pipe until the surface of the pipeline is flat;
mounting end pieces, and forming a repairing cavity after fixing;
fifthly, brushing an anti-stripping coating with the thickness of 4 mm;
winding the composite repairing belt for repairing, and curing and maintaining;
step seven, coating an epoxy resin seal layer and curing;
step eight, winding the rubber and plastic heat-insulation sleeve with the thickness of 20 mm;
step nine, winding a stainless steel sheet;
step ten, coating a hydrophobic material to form a hydrophobic coating, wherein the hydrophobic material is coated on the outer sides of the stainless steel thin plate and the end piece and has the thickness of 4 mm; and finishing construction.
And D, performing manual treatment after treating the surface of the defect by adopting sand blasting or mechanical polishing in the step II, wherein the metal surface treatment is Sa2.5 grade standard.
The anti-stripping coating in the fifth step comprises epoxy resin, a curing agent, precipitated barium sulfate, mica powder, white carbon black, a 4A molecular sieve, water glass, rice hull ash and pigment, and the anti-stripping coating comprises the following components in parts by weight: 100 parts of epoxy resin, 10 parts of curing agent, 20 parts of precipitated barium sulfate, 4.5 parts of mica powder, 1 part of white carbon black, 0.5 part of 4A molecular sieve, 0.2 part of water glass, 0.2 part of rice hull ash and a proper amount of pigment, wherein the epoxy resin seal layer in the seventh step comprises the following components in parts by weight: 100 parts of epoxy resin, 40 parts of curing agent and 2 parts of white carbon black, wherein the hydrophobic coating in the step ten comprises nano silicon dioxide and nano self-cleaning coating.
The white carbon black is modified by a water-soluble organic solvent, a modifier, a 10% dilute sulfuric acid solution, a wax emulsion and sodium silicate, and the 4A molecular sieve is modified by a transition metal hydrochloride and a hydrochloric acid solution.
And in the sixth step, vacuum-assisted curing is adopted.
The invention has the beneficial effects that:
1. the condensation pipeline repairing structure based on the composite material adopts a multi-layer composite structure, and the anti-stripping layer, the repairing belt, the sealing layer, the heat-insulating sleeve and the stainless steel sheet have good repairing effect and can effectively prevent secondary condensation;
2. according to the condensation pipeline repairing structure based on the composite material, the repairing cavity is formed by arranging the end pieces, so that the construction of the repairing structure is facilitated, and the repairing effect is ensured;
3. the construction method of the condensation pipeline repairing structure based on the composite material is simple in process flow, convenient to operate, low in cost and short in construction period, and simultaneously reinforces the repaired pipeline to improve the strength, crack resistance, permeability resistance, corrosion resistance and service life of the pipeline wall.
Drawings
Fig. 1 is a schematic front sectional structure view of a condensation pipeline repairing structure based on a composite material.
Fig. 2 is a schematic structural diagram of a composite material-based dew condensation duct repairing structure in a front view.
In the figure: 1 is an end piece, 2 is an anti-stripping coating, 3 is a repair belt, 4 is an epoxy resin seal layer, 5 is a rubber and plastic heat-insulation sleeve, 6 is a pipeline to be repaired, 7 is a connecting block, 8 is a bolt, 9 is a stainless steel thin plate, and 10 is a hydrophobic coating.
Detailed Description
The invention is further described below with reference to fig. 1-2, without limiting the scope of the invention.
In which like parts are designated by like reference numerals. It is noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
A condensation pipeline repairing structure based on composite materials comprises end pieces 1 and repairing structures, wherein the end pieces 1 are provided with two groups which are respectively fixed on the left side and the right side of an area to be repaired, the repairing structures are positioned between the two groups of end pieces 1, each repairing structure comprises an anti-stripping coating 2, a repairing belt 3, an epoxy resin sealing layer 4 and a rubber and plastic heat-insulating sleeve 5, the anti-stripping coatings 2 are arranged on the outer sides of the pipelines 6 to be repaired, the repairing belts 3 are arranged on the outer sides of the anti-stripping coatings 2, the epoxy resin sealing layers 4 are arranged on the outer sides of the repairing belts 3, the rubber and plastic heat-insulating sleeves 5 are arranged on the outer sides of the epoxy resin sealing layers 4, the thickness of the anti-stripping coatings 2 is 4mm, the thickness of the rubber and plastic heat-insulating sleeves 5 is 20mm, each group of end pieces 1 comprises an upper semi-ring structure and a lower semi-ring structure, the upper semi-ring structure and the lower semi-ring structure are fixed into a ring structure and clamped on the outer sides of the pipelines 6 to be repaired, connecting blocks 7 are arranged at the joints of the upper semi-ring structures and the lower semi-ring structures of the end pieces 1, the bolt 8 passes through the upper connecting block 7 and the lower connecting block 7 to fix the upper semi-ring structure and the lower semi-ring structure, the stainless steel thin plate 9 is arranged on the outer side of the rubber and plastic heat-insulating sleeve 5, and the cross section of the end piece 1 is of an L-shaped structure.
A construction method of a condensation pipeline repairing structure based on composite materials comprises the following steps,
firstly, carrying out defect positioning and creating a working surface on a pipeline to be reinforced and repaired;
secondly, performing surface treatment on the pipeline, namely performing manual treatment after treating the surface of the defect by adopting sand blasting or mechanical polishing, wherein the metal surface treatment is in Sa2.5-grade standard;
step three, filling up the surface defects of the steel pipe until the surface of the pipeline is flat;
step four, mounting the end piece 1, and forming a repairing cavity after fixing;
fifthly, coating the anti-stripping coating 2 with the thickness of 4mm, wherein the anti-stripping coating 2 comprises the following components in parts by weight: 100 parts of epoxy resin, 10 parts of curing agent, 20 parts of precipitated barium sulfate, 4.5 parts of mica powder, 1 part of white carbon black, 0.5 part of 4A molecular sieve, 0.2 part of water glass, 0.2 part of rice hull ash and a proper amount of pigment;
winding the composite repairing belt 3 for repairing, curing and maintaining, and performing vacuum-assisted curing;
and seventhly, coating and coating the epoxy resin seal layer 4, and curing, wherein the epoxy resin seal layer 4 comprises the following components in parts by weight: 100 parts of epoxy resin, 40 parts of curing agent and 2 parts of white carbon black;
step eight, winding the rubber and plastic heat-insulation sleeve 5 with the thickness of 20 mm;
step nine, winding a stainless steel sheet 9;
step ten, coating a hydrophobic material to form a hydrophobic coating 10, wherein the hydrophobic material is coated on the outer sides of the stainless steel sheet 9 and the end piece 1, and the hydrophobic coating 10 comprises nano silicon dioxide and nano self-cleaning paint and has the thickness of 4 mm; and finishing construction.
The white carbon black is modified by a water-soluble organic solvent, a modifier, a 10% dilute sulfuric acid solution, a wax emulsion and sodium silicate, and the 4A molecular sieve is modified by a transition metal hydrochloride and a hydrochloric acid solution.
Although the invention has been described and illustrated in some detail, it should be understood that various modifications may be made to the described embodiments or equivalents may be substituted, as will be apparent to those skilled in the art, without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a structure is restoreed to dewfall pipeline based on combined material which characterized in that: it includes end piece (1) and repair structure, end piece (1) is equipped with two sets ofly, fixes respectively on waiting to restore regional both sides about, repair the structure and be located two sets ofly between end piece (1), repair the structure including anti peel coating (2), restoration area (3), epoxy seal (4) and rubber and plastic insulation support pipe (5), anti peel coating (2) set up in the outside of waiting to restore pipeline (6), restoration area (3) set up the outside of anti peel coating (2), epoxy seal (4) set up the outside of restoration area (3), rubber and plastic insulation support pipe (5) set up the outside of epoxy seal (4).
2. The composite-based dewfall conduit repair structure as claimed in claim 1, wherein: the thickness of the anti-stripping coating (2) is 4mm, and the thickness of the rubber-plastic heat-insulating sleeve (5) is 20 mm.
3. The composite-based dewfall conduit repair structure as claimed in claim 1, wherein: every group end piece (1) is including two upper and lower semi-ring structure, and two upper and lower semi-ring structure are fixed and are become annular structure during the use to the card is in the outside of waiting to restore pipeline (6), the junction of two upper and lower semi-ring structure of end piece (1) all is equipped with connecting block (7), and bolt (8) pass two from top to bottom connecting block (7) will be two upper and lower semi-ring structure fixed.
4. The composite-based dewfall conduit repair structure as claimed in claim 1, wherein: the outside of rubber and plastic insulation support pipe (5) is equipped with stainless steel sheet metal (9), the outside of stainless steel sheet metal (9) scribbles one deck hydrophobic coating (10).
5. The composite-based dewfall conduit repair structure as claimed in claim 1, wherein: the cross section of the end piece (1) is of an L-shaped structure.
6. A construction method of a condensation pipeline repairing structure based on a composite material is characterized by comprising the following steps: which comprises the following steps of,
firstly, carrying out defect positioning and creating a working surface on a pipeline to be reinforced and repaired;
step two, processing the surface of the pipeline;
step three, filling up the surface defects of the steel pipe until the surface of the pipeline is flat;
step four, mounting an end piece (1), and forming a repairing cavity after fixing;
fifthly, brushing the anti-stripping coating (2) with the thickness of 4 mm;
winding the composite repairing belt (3) for repairing, and curing;
seventhly, coating an epoxy resin seal layer (4) and curing;
step eight, winding the rubber and plastic heat-insulation sleeve (5) with the thickness of 20 mm;
step nine, winding a stainless steel sheet (9);
step ten, coating a hydrophobic material to form a hydrophobic coating (10), wherein the hydrophobic material is coated on the outer sides of the stainless steel sheet (9) and the end piece (1) and has the thickness of 4 mm; and finishing construction.
7. The construction method of the composite-based dewed pipeline repairing structure according to claim 6, characterized in that: and D, performing manual treatment after treating the surface of the defect by adopting sand blasting or mechanical polishing in the step II, wherein the metal surface treatment is Sa2.5 grade standard.
8. The construction method of the composite-based dewed pipeline repairing structure according to claim 6, characterized in that: the anti-stripping coating (2) in the fifth step comprises epoxy resin, a curing agent, precipitated barium sulfate, mica powder, white carbon black, a 4A molecular sieve, water glass, rice hull ash and pigment, and the anti-stripping coating comprises the following components in parts by weight: 100 parts of epoxy resin, 10 parts of curing agent, 20 parts of precipitated barium sulfate, 4.5 parts of mica powder, 1 part of white carbon black, 0.5 part of 4A molecular sieve, 0.2 part of water glass, 0.2 part of rice hull ash and a proper amount of pigment, wherein the epoxy resin seal layer (4) in the seventh step comprises the following components in parts by weight: 100 parts of epoxy resin, 40 parts of curing agent and 2 parts of white carbon black, wherein the hydrophobic coating (10) comprises nano silicon dioxide and nano self-cleaning coating.
9. The construction method of the composite-based dewed pipeline repairing structure according to claim 8, characterized in that: the white carbon black is modified by a water-soluble organic solvent, a modifier, a 10% dilute sulfuric acid solution, a wax emulsion and sodium silicate, and the 4A molecular sieve is modified by a transition metal hydrochloride and a hydrochloric acid solution.
10. The construction method of the composite-based dewed pipeline repairing structure according to claim 6, characterized in that: and in the sixth step, vacuum-assisted curing is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110639361.0A CN113431988A (en) | 2021-06-08 | 2021-06-08 | Condensation pipeline repairing structure based on composite material and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110639361.0A CN113431988A (en) | 2021-06-08 | 2021-06-08 | Condensation pipeline repairing structure based on composite material and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113431988A true CN113431988A (en) | 2021-09-24 |
Family
ID=77755430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110639361.0A Pending CN113431988A (en) | 2021-06-08 | 2021-06-08 | Condensation pipeline repairing structure based on composite material and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113431988A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698775A (en) * | 2009-09-18 | 2010-04-28 | 上海海隆赛能新材料有限公司 | Fused-bonded epoxy powder paint with high resistance to cathodic disbonding |
| CN104534221A (en) * | 2015-01-06 | 2015-04-22 | 北京力强基业工程技术有限公司 | Method for repairing and reinforcing pipeline by means of composite materials |
| CN205298949U (en) * | 2016-01-25 | 2016-06-08 | 中国海洋大学 | Disconnect -type grout clamp tip sealing device |
| CN110542000A (en) * | 2019-07-11 | 2019-12-06 | 江苏宝力泰新材料科技有限公司 | in-service pipeline prepreg repair construction method |
| CN217081893U (en) * | 2021-06-08 | 2022-07-29 | 四川吉石科技有限公司 | Structure is restoreed to dewfall pipeline based on combined material |
-
2021
- 2021-06-08 CN CN202110639361.0A patent/CN113431988A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698775A (en) * | 2009-09-18 | 2010-04-28 | 上海海隆赛能新材料有限公司 | Fused-bonded epoxy powder paint with high resistance to cathodic disbonding |
| CN104534221A (en) * | 2015-01-06 | 2015-04-22 | 北京力强基业工程技术有限公司 | Method for repairing and reinforcing pipeline by means of composite materials |
| CN205298949U (en) * | 2016-01-25 | 2016-06-08 | 中国海洋大学 | Disconnect -type grout clamp tip sealing device |
| CN110542000A (en) * | 2019-07-11 | 2019-12-06 | 江苏宝力泰新材料科技有限公司 | in-service pipeline prepreg repair construction method |
| CN217081893U (en) * | 2021-06-08 | 2022-07-29 | 四川吉石科技有限公司 | Structure is restoreed to dewfall pipeline based on combined material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9151417B2 (en) | Method and composition for lining a pipe | |
| AU2012292776B2 (en) | A composite anti-corrosion lining comprising waterborne epoxy cover layer and use thereof | |
| CN106907530B (en) | A kind of inner lining plastic tube metal tube and its manufacture method | |
| CN103925455A (en) | Water pipeline joint coating protecting method and structure | |
| CN104141838A (en) | Flexible composite high-pressure delivery pipe | |
| CN110542000A (en) | in-service pipeline prepreg repair construction method | |
| CN217081893U (en) | Structure is restoreed to dewfall pipeline based on combined material | |
| CN109210282A (en) | A kind of heavy caliber anti-corrosive steel tube and manufacture craft | |
| CN113431988A (en) | Condensation pipeline repairing structure based on composite material and construction method thereof | |
| US8900504B2 (en) | Method for manufacturing a mandrel | |
| CN102642305B (en) | Vacuum bonding method of anti-corrosion fluoroplastic lining | |
| CN110608317A (en) | A UHPC water pipe structure and its manufacturing process | |
| CN215568583U (en) | Concrete pumping pipeline with connector | |
| CN221777774U (en) | A wear-resistant repair tape | |
| CN107866355B (en) | Spraying and plastic coating device and process for plastic coated ship pipe | |
| CN207500646U (en) | A kind of reinforced pipeline | |
| CN207695080U (en) | Plastic-coated device is inhaled in a kind of spray for plastic-coated ship pipe | |
| CN114800966B (en) | Tooling and vulcanization method for integral vulcanization of rubber materials for lining of large equipment in nuclear power plants | |
| CN204512723U (en) | A kind of rubber lined pipe and end face of flange linkage structure | |
| CN218599029U (en) | Polyolefin plastic-lined steel-plastic composite pipe for underground water supply and drainage of coal mine | |
| CN221762833U (en) | Large-caliber fiber composite plastic pipe | |
| CN215891468U (en) | Basalt corrugated pipe connecting structure | |
| CN114370555B (en) | Method for corrosion-proof heat-insulating waterproof integrated joint coating of heat-insulating pipeline | |
| CN204512691U (en) | A kind of high strength glass steel pipeline | |
| CN118361599A (en) | Pipeline with glass fiber reinforced plastic anticorrosive coating and manufacturing method thereof |
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 |