CN2893362Y - Seawater corrosion resisting modified epoxy ceramic anticorrosion layer seawater filling pipe - Google Patents
Seawater corrosion resisting modified epoxy ceramic anticorrosion layer seawater filling pipe Download PDFInfo
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- CN2893362Y CN2893362Y CN 200620018266 CN200620018266U CN2893362Y CN 2893362 Y CN2893362 Y CN 2893362Y CN 200620018266 CN200620018266 CN 200620018266 CN 200620018266 U CN200620018266 U CN 200620018266U CN 2893362 Y CN2893362 Y CN 2893362Y
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- modified epoxy
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- undercoating
- seawater
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Abstract
The utility model relates to an anticorrosive sea water feeding tube for modified epoxy porcelain anticorrosive coating, which consists of a steel pipe (1), reserve weld parts (2) on two ends of the steel pipe (1), an inorganic zinc silicate weldable inner coating (3), an inorganic zinc silicate weldable external coating (4), a light iron parkerising inner coating (5), a modified epoxy porcelain inner coating (6), a light iron parkerising external coating (7), and a modified epoxy porcelain external coating (8). The modified epoxy porcelain coating has excellent wearing resistance, heat resistance and solvent resistance property, low chlorine ion penetration rate and excellent seawater corrosion resistance, and can be used in the seawater injection pipes.
Description
Technical field
The utility model relates to a kind of seawater injection pipe of modified epoxy pottery anticorrosive coat of seawater corrosion resistance, can be used for sea, beach or offshore oilfield seawater injection pipeline and carries seawater.
Background technique
The method of anticorrosion employing seawater deaeration and adding medicine is carried out anti-corrosion protection to pipeline in the existing seawater injection pipeline; or adopt inner tube coating to protect; pipe outer wall anticorrosion employing liquid epoxy coating or powder coating protection; its protection effect is insufficient; the easy mechanical deterioration of coating; the FBE price is higher, and adhesive force of coatings is relatively poor.Existing do not have coating protection at steel pipe reservation welding section, reserves end surfaces pretreatment difficulty relatively, and welding slag is difficult for cleaning out, and interior outlet is second-rate, thereby cause near the seriously corroded of weld, influences the working life of pipeline.
The model utility content
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art and a kind of seawater injection pipe of modified epoxy pottery anticorrosive coat of the seawater corrosion resistance with good sea water resistance performance, wear-resisting property, resistance to heat, solvent resistance, easy construction is provided.
The technical solution adopted in the utility model
The seawater injection pipe of the modified epoxy pottery anticorrosive coat of seawater corrosion resistance, comprise steel pipe 1, the reservation welding section 2 at steel pipe 1 two ends, it is characterized in that the internal surface of reserving welding section 2 has inorganic zinc silicate can weld undercoating 3, the outer surface of reserving welding section 2 has inorganic zinc silicate can weld external coating 4, internal surface at steel pipe 1 has light-iron phosphating undercoating 5 successively, modified epoxy pottery undercoating 6, outer surface at steel pipe 1 has light-iron phosphating external coating 7 successively, modified epoxy ceramic outer coating 8, long 10～the 20m of steel pipe, reserve each long 80～120cm of welding section 2 every ends, inorganic zinc silicate can weld the thickness 0.03～0.04mm of undercoating 3, the thickness that inorganic zinc silicate can weld external coating 4 is 0.04～0.05mm, and the thickness of light-iron phosphating undercoating 5 is 0.002～0.01mm, and the thickness of modified epoxy pottery undercoating 6 is 0.20～0.30mm, the thickness of light-iron phosphating external coating 7 is 0.005～0.012mm, and the thickness of modified epoxy ceramic outer coating 8 is 0.30～0.40mm.
The seawater injection pipe of the modified epoxy pottery anticorrosive coat of more excellent seawater corrosion resistance, the long 10m that it is characterized in that steel pipe 1, the nominal diameter of pipe is 114.3mm, wall thickness 7.1mm, tubing is API 5L X60 SMLS, reserve welding section 2 long 95mm, the thickness that inorganic zinc silicate can weld undercoating 3 is 0.03mm, the thickness that inorganic zinc silicate can weld external coating 4 is 0.05mm, light-iron phosphating undercoating 5 thickness are 0.008mm, the thickness of modified epoxy pottery undercoating 6 is 0.25mm, the thickness of light-iron phosphating external coating 7 is 0.01mm, and the thickness of modified epoxy ceramic outer coating 8 is 0.40mm.
The seawater injection pipe manufacturer process of the modified epoxy pottery anticorrosive coat of seawater corrosion resistance is as follows:
The utility model beneficial effect compared with prior art:
1, the seawater injection pipe of the modified epoxy of seawater corrosion resistance pottery anticorrosive coat, the modified epoxy ceramic coating of low-temperature curable has splendid wear resistance, heat resistance, solvent resistance, the chloride permeability rate is low, corrosion that can sea water resistance, therefore, be used for the seawater injection pipeline and can effectively prevent the corrosion of seawater steel pipe, thus long-term, the safe operation of assurance seawater injection pipeline.
2, the modified epoxy ceramic coating of the low-temperature curable general epoxy liquid coating of outer anti-corrosion protection that is used for steel pipe has higher wear resistance, bruise resistance, and is more cheap than fusion bonded epoxy coating.
3, the steel pipe inner and outer surface uses with a kind of anticorrosion with coat, and on-the-spot repaired mouth also uses identical coating repaired mouth, can guarantee the unanimity of pipeline corrosion protection coating, has avoided on-the-spot difficulty of getting the raw materials ready with a kind of coating repaired mouth.The light-iron phosphating layer of steel pipe inner and outer surface can normal temperature phosphating, need not heating and can save the energy, and phosphating coating increases the adhesion of modified epoxy ceramic coating and steel pipe, makes the antiseptic effect of coating more outstanding.
4, reserve the inner and outer surface coating inorganic zinc silicate weldable coating layer of welding section, can prevent to reserve welding section before pipeline welds repaired mouth further corrodes, the welding slag that produces during the pipeline welding is easy to be cleaned out, thereby improves the quality of pipeline repaired mouth, makes pipeline keep good antiseptic effect.
Description of drawings
Fig. 1 is the longitudinal sectional drawing of seawater injection pipe of the modified epoxy pottery anticorrosive coat of seawater corrosion resistance.
Among the figure: the 1-steel pipe; 2-reserves welding section; The 3-inorganic zinc silicate can weld undercoating; The 4-inorganic zinc silicate can weld external coating; 5-light-iron phosphating undercoating; 6-modified epoxy pottery undercoating; 7-light-iron phosphating external coating; 8-modified epoxy ceramic outer coating;
Embodiment
The seawater injection pipe of the modified epoxy pottery anticorrosive coat of seawater corrosion resistance, the nominal diameter of steel pipe 1 long 10m, pipe is that 114.3mm, wall thickness 7.1mm, tubing are API 5L X60 SMLS, reserve welding section 2 long 95mm, the thickness that inorganic zinc silicate can weld undercoating 3 is 0.03mm, the thickness that inorganic zinc silicate can weld external coating 4 is 0.05mm, light-iron phosphating undercoating 5 thickness are 0.008mm, the thickness of modified epoxy pottery undercoating 6 is 0.25mm, the thickness of light-iron phosphating external coating 7 is 0.01mm, and the thickness of modified epoxy ceramic outer coating 8 is 0.40mm.
The seawater injection pipe of the modified epoxy pottery anticorrosive coat of seawater corrosion resistance, its sea water corrosion resistant test shows to have good anti-seawater corrosion performance, pipeline can keep good working order.
Claims (2)
1. the seawater injection pipe of the modified epoxy of seawater corrosion resistance pottery anticorrosive coat, comprise steel pipe (1), the reservation welding section (2) at steel pipe (1) two ends, it is characterized in that the internal surface of reserving welding section (2) has inorganic zinc silicate can weld undercoating (3), the outer surface of reserving welding section (2) has inorganic zinc silicate can weld external coating (4), internal surface at steel pipe (1) has light-iron phosphating undercoating (5) successively, modified epoxy pottery undercoating (6), outer surface at steel pipe (1) has light-iron phosphating external coating (7) successively, modified epoxy ceramic outer coating (8), long 10～the 20m of steel pipe, reserve each long 80～120cm of the every end of welding section (2), inorganic zinc silicate can weld the thickness 0.03～0.04mm of undercoating (3), the thickness that inorganic zinc silicate can weld external coating (4) is 0.04～0.05mm, the thickness of light-iron phosphating undercoating (5) is 0.002～0.01mm, the thickness of modified epoxy pottery undercoating (6) is 0.20～0.30mm, the thickness of light-iron phosphating external coating (7) is 0.005～0.012mm, and the thickness of modified epoxy ceramic outer coating (8) is 0.30～0.40mm.
2. the seawater injection pipe of the modified epoxy of seawater corrosion resistance according to claim 1 pottery anticorrosive coat, it is characterized in that the long 10m of steel pipe (1), the nominal diameter of pipe is 114.3mm, wall thickness 7.1mm, tubing is API 5L X60 SMLS, reserve the long 95mm of welding section (2), the thickness that inorganic zinc silicate can weld undercoating (3) is 0.03mm, the thickness that inorganic zinc silicate can weld external coating (4) is 0.05mm, light-iron phosphating undercoating (5) thickness is 0.008mm, the thickness of modified epoxy pottery undercoating (6) is 0.25mm, the thickness of light-iron phosphating external coating (7) is 0.01mm, and the thickness of modified epoxy ceramic outer coating (8) is 0.40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018266 CN2893362Y (en) | 2006-03-24 | 2006-03-24 | Seawater corrosion resisting modified epoxy ceramic anticorrosion layer seawater filling pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620018266 CN2893362Y (en) | 2006-03-24 | 2006-03-24 | Seawater corrosion resisting modified epoxy ceramic anticorrosion layer seawater filling pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2893362Y true CN2893362Y (en) | 2007-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620018266 Expired - Lifetime CN2893362Y (en) | 2006-03-24 | 2006-03-24 | Seawater corrosion resisting modified epoxy ceramic anticorrosion layer seawater filling pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN2893362Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056515A (en) * | 2012-12-26 | 2013-04-24 | 北京康华盛鸿能源科技发展有限公司 | Welding process for transporting alpha type aluminum oxide ceramic lining by oil and gas pipeline |
| RU2519528C2 (en) * | 2012-07-20 | 2014-06-10 | Открытое акционерное общество "ЭЛИЗ" | Pipeline section |
| CN104011813A (en) * | 2011-12-23 | 2014-08-27 | Abb技术有限公司 | Corrosion-resistant coating system for a dry-type transformer core |
| CN104308475A (en) * | 2014-09-28 | 2015-01-28 | 山东联创管业有限公司 | Novel composite steel pipe manufacturing method for coal mine underground gas drainage |
| CN114687344A (en) * | 2020-12-25 | 2022-07-01 | 连云港华云桩业有限公司 | Seawater corrosion resistant internal clamping type mechanical locking device |
-
2006
- 2006-03-24 CN CN 200620018266 patent/CN2893362Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104011813A (en) * | 2011-12-23 | 2014-08-27 | Abb技术有限公司 | Corrosion-resistant coating system for a dry-type transformer core |
| RU2519528C2 (en) * | 2012-07-20 | 2014-06-10 | Открытое акционерное общество "ЭЛИЗ" | Pipeline section |
| CN103056515A (en) * | 2012-12-26 | 2013-04-24 | 北京康华盛鸿能源科技发展有限公司 | Welding process for transporting alpha type aluminum oxide ceramic lining by oil and gas pipeline |
| CN103056515B (en) * | 2012-12-26 | 2015-09-16 | 天津恩帜科技有限公司 | A kind of welding procedure ceramic-lined for oil and gas pipes conveying alpha-type aluminum oxide |
| CN104308475A (en) * | 2014-09-28 | 2015-01-28 | 山东联创管业有限公司 | Novel composite steel pipe manufacturing method for coal mine underground gas drainage |
| CN114687344A (en) * | 2020-12-25 | 2022-07-01 | 连云港华云桩业有限公司 | Seawater corrosion resistant internal clamping type mechanical locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070425 |
|
| EXPY | Termination of patent right or utility model |