CN109854863A - A kind of buried pipeline repairing anticorrosion coating external member and construction method - Google Patents
A kind of buried pipeline repairing anticorrosion coating external member and construction method Download PDFInfo
- Publication number
- CN109854863A CN109854863A CN201811636862.8A CN201811636862A CN109854863A CN 109854863 A CN109854863 A CN 109854863A CN 201811636862 A CN201811636862 A CN 201811636862A CN 109854863 A CN109854863 A CN 109854863A
- Authority
- CN
- China
- Prior art keywords
- vaseline
- oiliness
- external member
- band
- anticorrosion coating
- 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
Abstract
The invention discloses a kind of buried pipeline repairing anticorrosion coating external member and construction method, the outside repaired external member and be coated on tube body, reparation external member is layer structure, is successively the outer protecting band of oiliness vaseline priming paint, oiliness vaseline adhesive tape, outer protection band and armouring from the inside to surface.The construction method are as follows: a. tube surfaces processing: it is derusted using the angular rust remover of hand-held to tube body；The tube surfaces cleaned using alcohol or acetone；B. repairing anticorrosion coating is constructed: in tube surfaces brushing oiliness vaseline priming paint；Wrap up winding oiliness vaseline adhesive tape from left to right using manual mode；C. it external protection repairing construction: winds outer protection band from left to right using manual mode and internal erosion resistant coating is fixed and is sealed；The protecting band outside outer protection band external spiral winding armouring.The present invention is based on the anticorrosion mechanisms of oiliness vaseline hydrophobic, so that workpiece surface forms multiple continuous oiliness protective layers, corrosive medium can not permeate at all, can prevent the generation and sprawling of corrosion, significant effect rapidly.
Description
Technical field
The present invention relates to pipeline corrosion protection field, specifically a kind of buried pipeline repairing anticorrosion coating external member and construction method.
Background technique
Metallic conduit conveying is a kind of safe and effective mode conveyed to oil, gas and water and other liquid chemicals, extensively
It is general to be applied to petroleum, chemical industry, the industries such as environmental protection.After outer corrosion occurs for metallic conduit, in addition to be repaired to tube body itself,
It also needs to repair corresponding erosion resistant coating, pipeline is avoided to corrode again in a short time.
Industry interior conduit repairing anticorrosion coating technology specifically includes that modified pitch anti-corrosion Cold winding band reparation, heat shrinking sleeve at present
Reparation and liquid-state epoxy resin reparation.The above recovery technique is faced with problems in actual application, main to wrap
Include: the field condition of buried pipeline repairing anticorrosion coating is different from factory's coating of pipeline anticorrosion coating, and construction environment is more severe, past
It is past to need effectively to be surface-treated pipe surface；And it is likely present ponding in operating pit, generally requires band water and makees
Industry.Above-mentioned existing recovery technique can just construct after needing pipe surface to carry out good surface treatment, and can not band
Water operation.And existing recovery technique is usually live mixing or scene baking, it is difficult to guarantee the erosion resistant coating quality repaired
And construction efficiency.
Summary of the invention
The present invention is exactly to provide a kind of buried pipeline repairing anticorrosion coating external member and construction to solve the deficiencies in the prior art
Method.
The present invention is realized according to following technical scheme.
A kind of buried pipeline repairing anticorrosion coating external member, the outside repaired external member and be coated on tube body, reparation external member is layer
Shape structure is successively the outer protecting band of oiliness vaseline priming paint, oiliness vaseline adhesive tape, outer protection band and armouring from the inside to surface.
Further, the oiliness vaseline priming paint selects STACprime priming paint.
Further, the oiliness vaseline adhesive tape selects STACwrap oil band.
Further, the outer protection band selects the outer protection band of STACguard.
Further, the outer protecting band of the armouring selects the outer protecting band of STACguard Pro armouring, is surface coating water cure
The flexible glass fibre of resin winds band.
A kind of construction method of buried pipeline repairing anticorrosion coating external member, comprising the following steps:
A. tube surfaces are handled:
I, derusts to tube body using the angular rust remover of hand-held, and coarse weld seam and sharp protrusion are polished smoothly, in etch pit
Remaining old coating or the equal thorough cleaning of corrosion product；
The tube surfaces that II, is cleaned using alcohol or acetone, it is ensured that tube surfaces are dry, without floating rust, without dirt；
The main pipeline outer jacket and waterproof cap surface of III, overlapping part ensure it is smooth, dry, without dirt；
B. repairing anticorrosion coating is constructed:
I, is in tube surfaces brushing oiliness vaseline priming paint, it is ensured that fills up at the pit of steel tube surface, etch pit；
II, uses manual mode, the oiliness vaseline adhesive tape of package winding from left to right；
C. external protection repairing construction:
I, uses manual mode, winds outer protection band from left to right and internal erosion resistant coating is fixed and is sealed；
II, protecting band outside outer protection band external spiral winding armouring.
Further, the medium oil vaseline prime of step b I with a thickness of 180~250 μm.
Further, the overlap joint for guaranteeing 55% when constructing in step b II between oiliness vaseline adhesive tape, forms bilayer and laminates；
The main pipeline PE external protection coating lap width at both ends is not less than 50mm at oiliness vaseline adhesive tape and repaired mouth.
Further, oiliness vaseline adhesive tape is fixed and is sealed by I China and foreign countries' protection band of step c winding layer 2-3.
Further, the outer protecting band winding of armouring at least guarantees 55% scrap (bridge) in step c II, forms bilayer and laminates.
Present invention obtains following beneficial effects.
1. the present invention is based on the anticorrosion mechanism of oiliness vaseline hydrophobic, so that workpiece surface forms multiple continuous oiliness and prevents
Sheath, corrosive medium can not permeate at all, can prevent the generation and sprawling of corrosion, significant effect rapidly；
2. the present invention repair external member can underwater construction, be more suitable for the situation of this environment complexity of field repair, in level of ground water height
In the environment of more be applicable in；
3. the present invention repair external member surface treatment require it is low, without being carried out at thorough surface to pipe surface before pipeline rehabilitation
Reason, is more suitable for the environment of field repair；
4. it is flexible material that the present invention, which repairs external member, the various special circumstances at pipeline rehabilitation scene can be preferably coped with.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the present invention repairs external member.
Wherein, the outer protecting band of 1. armourings；2. outer protection band；3. oiliness vaseline adhesive tape；4. oiliness vaseline priming paint；5. pipe
Body.
Specific embodiment
Invention is further explained with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of buried pipeline repairing anticorrosion coating external member, the outside repaired external member and be coated on tube body 5, are repaired
Multiple external member is layer structure, is successively outside oiliness vaseline priming paint 4, oiliness vaseline adhesive tape 3, outer protection band 2 and armouring from the inside to surface
Protecting band 1.
The oiliness vaseline priming paint 4 selects STACprime priming paint.Anti-corrosion primer is before winding antiseptic oil band, to work
Part surface carries out a kind of important component of preliminary treatment, can remove the moisture on surface, passivated surface oxide fills up table
Planar defect, and ensure the good combination between anti-corrosion belt and ground.
The oiliness vaseline adhesive tape 3 selects STACwrap oil band.Antiseptic oil band is under the conditions of industrial atmosphere for gold
Metal surface, a kind of long-effective corrosion of pipeline and pipe fitting, sealing and waterproof protection band.It has fabulous flexibility and hydrophobic
Property, suitable for the anti-corrosion protection on rule and irregular shape surface and raised workpiece, construction efficiency is high, adaptable.
The outer protection band 2 selects the outer protection band of STACguard.Outer protection band 2 is a kind of protection for cooperating oily band to use
Band is wound, the antiseptic oil band of internal layer is fixed and provides certain protective effect for it by it, prevents oily band due to underground water
Flowing and rainwash and cause to fail.
The outer protecting band 1 of the armouring selects the outer protecting band of STACguard Pro armouring, and the outer protecting band 1 of armouring is a kind of surface coating
The flexible glass fibre of water cure resin winds band.It has the characteristics that meet water rapid curing, easy to operate, be antiseptic oil band and
Other coatings provide the mechanical protection of a reinforcement grade, can damage to avoid backfill, rubble etc. to erosion resistant coating.
The outer protection band of STACprime priming paint, STACwrap oil band, STACguard, the outer protecting band of STACguard Pro armouring
The product of all applicant (blue ocean (Tianjin) engineering technology Co., Ltd) independent researches, producing and selling.
A kind of construction method of buried pipeline repairing anticorrosion coating external member includes the following steps and (wears when construction and disposably apply
Work gloves):
Tube surfaces processing:
1. tube body 5 derusts must be using the angular rust remover of hand-held, hand-held must be used by the tube body 5 corroded especially occurred
Angular rust remover carries out going deep into cleaning, and coarse weld seam and sharp protrusion should all polish smoothly；Remaining old coating in etch pit
Or corrosion product answers thorough cleaning；Processing grade reaches St3 grades；
2. 5 surface of tube body cleaned using alcohol or acetone, it is ensured that 5 dry tack free of tube body, without floating rust, without dirt；
3. the main pipeline outer jacket and waterproof cap surface of overlapping part answer it is smooth, dry, without dirt；
Repairing anticorrosion coating construction:
1. in steel tube surface brushing STACprime mine ester priming paint, vaseline priming paint using brushing or trowelling, formed thickness 180~
250 μm of continuous waterproof layer ensures the pit of steel tube surface, fills up at etch pit；
2. manual mode is used, the vaseline oil band of package winding from left to right, inertia vaseline of the STACwrap vaseline oil band to be saturated
For main component, do not solidify, is non-sclerous, not cracking, being suitble to all kinds of corrosive environments, guaranteeing that 55% takes when construction between oil band
It connects, forms bilayer and laminate；The main pipeline PE external protection coating lap width at both ends should be not less than 50mm at vaseline adhesive tape and repaired mouth；
External protection repairing construction:
1. internal erosion resistant coating is fixed in the outer protection band of winding STACguard, using manual mode, from left to right package winding
Vaseline oil band is fixed and is sealed by the outer protection band of STACguard, the outer protection band of winding layer 2-3；
2. along protecting band outside protected facility spiral winding STACguard AG armouring on the outside of protection band, in winding process extremely
Guarantee 55% scrap (bridge) less, form bilayer and laminate, allows winding band to remain certain tension in winding process, form hard guarantor
Sheath.
Claims (10)
1. a kind of buried pipeline repairing anticorrosion coating external member, which is characterized in that the outside repaired external member and be coated on tube body (5),
Reparation external member is layer structure, is successively oiliness vaseline priming paint (4), oiliness vaseline adhesive tape (3), outer protection band (2) from the inside to surface
With protecting band outside armouring (1).
2. a kind of buried pipeline repairing anticorrosion coating external member as described in claim 1, which is characterized in that oiliness vaseline bottom
It paints (4) and selects STACprime priming paint.
3. a kind of buried pipeline repairing anticorrosion coating external member as described in claim 1, which is characterized in that the oiliness vaseline adhesive tape
(3) STACwrap oil band is selected.
4. a kind of buried pipeline repairing anticorrosion coating external member as described in claim 1, which is characterized in that the outer protection band (2)
Select the outer protection band of STACguard.
5. a kind of buried pipeline repairing anticorrosion coating external member as described in claim 1, which is characterized in that the outer protecting band of the armouring
(1) the outer protecting band of STACguard Pro armouring is selected, is the flexible glass fibre winding band of surface coating water cure resin.
6. a kind of construction method of buried pipeline repairing anticorrosion coating external member, which comprises the following steps:
A. tube surfaces are handled:
I, derusts to tube body (5) using the angular rust remover of hand-held, and coarse weld seam and sharp protrusion are polished smoothly, etch pit
Interior remaining old coating or the equal thorough cleaning of corrosion product；
Tube body (5) surface that II, is cleaned using alcohol or acetone, it is ensured that tube surfaces are dry, without floating rust, without dirt；
The main pipeline outer jacket and waterproof cap surface of III, overlapping part ensure it is smooth, dry, without dirt；
B. repairing anticorrosion coating is constructed:
I, is in tube body (5) external coating oiliness vaseline priming paint (4), it is ensured that fills up at the pit of steel tube surface, etch pit；
II, uses manual mode, from left to right package winding oiliness vaseline adhesive tape (3)；
C. external protection repairing construction:
I, uses manual mode, winds outer protection band (2) from left to right and internal erosion resistant coating is fixed and is sealed；
II, is in the outer protecting band (1) of outer protection band (2) external spiral winding armouring.
7. a kind of construction method of buried pipeline repairing anticorrosion coating external member as claimed in claim 6, which is characterized in that step b I
Medium oil vaseline priming paint (4) brush with a thickness of 180~250 μm.
8. a kind of construction method of buried pipeline repairing anticorrosion coating external member as claimed in claim 6, which is characterized in that step b
The overlap joint for guaranteeing 55% when constructing in II between oiliness vaseline adhesive tape (3), forms bilayer and laminates；Oiliness vaseline adhesive tape (3) and benefit
The main pipeline PE external protection coating lap width at the both ends Kou Chu is not less than 50mm.
9. a kind of construction method of buried pipeline repairing anticorrosion coating external member as claimed in claim 6, which is characterized in that step c I
China and foreign countries' protection band (2) winds layer 2-3 and oiliness vaseline adhesive tape (3) is fixed and sealed.
10. a kind of construction method of buried pipeline repairing anticorrosion coating external member as claimed in claim 6, which is characterized in that step c
Outer protecting band (1) winding of armouring at least guarantees 55% scrap (bridge) in II, forms bilayer and laminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636862.8A CN109854863A (en) | 2018-12-29 | 2018-12-29 | A kind of buried pipeline repairing anticorrosion coating external member and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636862.8A CN109854863A (en) | 2018-12-29 | 2018-12-29 | A kind of buried pipeline repairing anticorrosion coating external member and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109854863A true CN109854863A (en) | 2019-06-07 |
Family
ID=66893190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811636862.8A Pending CN109854863A (en) | 2018-12-29 | 2018-12-29 | A kind of buried pipeline repairing anticorrosion coating external member and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109854863A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024340A (en) * | 2020-04-27 | 2020-12-04 | 中船第九设计研究院工程有限公司 | Underwater coating construction method for ship engineering |
| CN112728295A (en) * | 2021-01-06 | 2021-04-30 | 中国化学工程第十一建设有限公司 | External anti-corrosion treatment method for underground pipeline |
| CN114484093A (en) * | 2021-12-31 | 2022-05-13 | 中国航空工业集团公司西安飞机设计研究所 | Identification structure and identification method for fluid pipeline of aircraft system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202484524U (en) * | 2011-12-29 | 2012-10-10 | 上海联和科海材料科技有限公司 | Petrolatum-coated anticorrosion layer for metal valves |
| CN103604006A (en) * | 2013-11-15 | 2014-02-26 | 赵春生 | Outdoor gas leading-in pipe with oily anticorrosive coating and anticorrosive repair construction method |
| CN105423066A (en) * | 2015-12-08 | 2016-03-23 | 中国石油天然气集团公司 | Anti-corrosion repairing method for flange on ocean oil platform |
| CN209557893U (en) * | 2018-12-29 | 2019-10-29 | 蓝色海洋（天津）工程技术有限公司 | A kind of buried pipeline repairing anticorrosion coating external member |
-
2018
- 2018-12-29 CN CN201811636862.8A patent/CN109854863A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202484524U (en) * | 2011-12-29 | 2012-10-10 | 上海联和科海材料科技有限公司 | Petrolatum-coated anticorrosion layer for metal valves |
| CN103604006A (en) * | 2013-11-15 | 2014-02-26 | 赵春生 | Outdoor gas leading-in pipe with oily anticorrosive coating and anticorrosive repair construction method |
| CN105423066A (en) * | 2015-12-08 | 2016-03-23 | 中国石油天然气集团公司 | Anti-corrosion repairing method for flange on ocean oil platform |
| CN209557893U (en) * | 2018-12-29 | 2019-10-29 | 蓝色海洋（天津）工程技术有限公司 | A kind of buried pipeline repairing anticorrosion coating external member |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024340A (en) * | 2020-04-27 | 2020-12-04 | 中船第九设计研究院工程有限公司 | Underwater coating construction method for ship engineering |
| CN112728295A (en) * | 2021-01-06 | 2021-04-30 | 中国化学工程第十一建设有限公司 | External anti-corrosion treatment method for underground pipeline |
| CN114484093A (en) * | 2021-12-31 | 2022-05-13 | 中国航空工业集团公司西安飞机设计研究所 | Identification structure and identification method for fluid pipeline of aircraft system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109854863A (en) | A kind of buried pipeline repairing anticorrosion coating external member and construction method | |
| CN105670556B (en) | A kind of petrochemical plant corrosion and protection carbon fiber reinforcement technique | |
| CN101709821B (en) | Method for joint coating on pipeline by heat-shrinkable tape | |
| CN111878665A (en) | Method for preventing corrosion of submarine pipeline | |
| CN103925455A (en) | Water pipeline joint coating protecting method and structure | |
| CN209557893U (en) | A kind of buried pipeline repairing anticorrosion coating external member | |
| CN107052710A (en) | A kind of undercoating pipeline manufacture method | |
| CN111828777B (en) | Processing method of pipeline anticorrosive coating | |
| CN105065851A (en) | Preservative treatment method for pipeline | |
| CN204372452U (en) | A kind of outer wall adhesive tape is cold twines anti-corrosion pipeline | |
| CN105423066B (en) | A kind of method that flange on offshore platform carries out anti-corrosion reparation | |
| CN1247817C (en) | Method of protecting corrosion proof pipeline joint internal wall using sacrificing anode | |
| CN207064932U (en) | Hot-bending bends anticorrosive coat | |
| CN110030457A (en) | Fluid-transporting tubing does not stop production renovation reinforced method | |
| CN215215101U (en) | Seawater pipe cabin penetrating structure with plastic-coated inner wall | |
| CN100540975C (en) | A kind of method for joint coating on pipeline | |
| CN101696759B (en) | Anti-corrosive treatment method of welded junction part of construction process pipe of heavy caliber push pipe | |
| CN210196787U (en) | Corrosion-resistant stainless steel accessory for chemical industry | |
| CN103742932B (en) | The remodeling method of the anticorrosion chimney of coal fired power plant flue gas desulfurization | |
| CN105650406A (en) | Corrosion prevention method for outer wall of gas pipeline | |
| CN214579403U (en) | Reinforcing anti-corrosion device of exposed metal pipeline | |
| CN111036521A (en) | Anticorrosion, seepage-proofing and heat-insulation process for reinforced direct-buried heat supply pipeline | |
| KR101056270B1 (en) | Painting method for pipe connection for fluid transfer | |
| Guan | Corrosion protection by coatings for water and wastewater pipelines | |
| CN103807564A (en) | Epoxy glass fiber reinforced pipeline mouth repairing method |
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 |