CN105952984A - Steel pipe resistant to acid-base corrosion - Google Patents
Steel pipe resistant to acid-base corrosion Download PDFInfo
- Publication number
- CN105952984A CN105952984A CN201610486729.3A CN201610486729A CN105952984A CN 105952984 A CN105952984 A CN 105952984A CN 201610486729 A CN201610486729 A CN 201610486729A CN 105952984 A CN105952984 A CN 105952984A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- coating layer
- acid
- corrosion
- layer
- 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
Classifications
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- 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
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- 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
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- 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
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
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- 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
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1054—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a steel pipe resistant to acid-base corrosion. The steel pipe resistant to acid-base corrosion comprises a steel pipe body, an FEVE fluorocarbon coating layer, an epoxy nonisocyanate polyurethane heavy anti-corrosion coating layer, a TiO2 nanometer composite fluorocarbon coating layer and a hydroxyl terminated polybutadiene polyurethane modified epoxy resin anti-corrosion coating layer, wherein the FEVE fluorocarbon coating layer and the epoxy nonisocyanate polyurethane heavy anti-corrosion coating layer are sequentially arranged on the outer surface of the steel pipe body from inside to outside; and the TiO2 nanometer composite fluorocarbon coating layer and the hydroxyl terminated polybutadiene polyurethane modified epoxy resin anti-corrosion coating layer are sequentially arranged on the inner surface of the steel pipe body from outside to inside. In this way, the steel pipe is good in acid-base corrosion resistance and applicable to a highly corrosive environment.
Description
Technical field
The present invention relates to steel pipe field, particularly relate to a kind of acid-alkali-corrosive-resisting steel pipe.
Background technology
Steel pipe is the strip steel of a kind of hollow, a large amount of pipelines being used as conveyance fluid, such as oil, natural gas, water, coal gas, steam etc., it addition, when doing curved, torsional strength and being identical, lighter in weight, so being also widely used in manufacture machine components and engineering structure.
Steel pipe can be divided into two big classes by production method: seamless steel pipe and seamed steel pipe, seamed steel pipe is referred to as steel pipes with straight.Seamless steel pipe can be divided into by production method: hot seamless tube, drawn tube, precision tube, hot-expanding pipe, cold spinning pipe and extruded tube etc..Seamless steel pipe Fine Steel Casting iron or steel alloy are made, have hot rolling, cold rolling (pulling out) point.Seamless steel pipe can be used for liquid air-pressure duct and the gas pipeline etc. of various industry.Welded pipe line can be used for aqueduct, gas piping, caliduct, electrical equipment pipeline etc..
But, the acid-proof alkaline of currently used steel pipe is bad, it is impossible to be applicable to the environment that corrosivity is strong.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of acid-alkali-corrosive-resisting steel pipe, and acid-proof alkaline is good, can be suitably used in the environment that corrosivity is strong.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of acid-alkali-corrosive-resisting steel pipe, including: steel pipe body, FEVE fluorocarbon coating layer, epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer, TiO2Nanocomposite Fluorocarbon Coatings layer and hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer, the appearance of described steel pipe body is disposed with described FEVE fluorocarbon coating layer and described epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer outward from interior, and the interior table of described steel pipe body is disposed with described TiO inside from outward2Nanocomposite Fluorocarbon Coatings layer and described hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer.
In a preferred embodiment of the present invention, the thickness of described epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer is 0.1 ~ 0.5mm.
In a preferred embodiment of the present invention, described TiO2The thickness of Nanocomposite Fluorocarbon Coatings layer is 0.3 ~ 0.8mm.
In a preferred embodiment of the present invention, the thickness of described hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer is 0.4 ~ 0.9mm.
The invention has the beneficial effects as follows: acid-proof alkaline of the present invention is good, can be suitably used in the environment that corrosivity is strong.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of acid-alkali-corrosive-resisting steel pipe one of the present invention preferred embodiment；
In accompanying drawing, the labelling of each parts is as follows: 1, steel pipe body, and 2, FEVE fluorocarbon coating layer, 3, epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer, 4, TiO2Nanocomposite Fluorocarbon Coatings layer, 5, hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of acid-alkali-corrosive-resisting steel pipe, including: steel pipe body 1, FEVE fluorocarbon coating layer 2, epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer 3, TiO2Nanocomposite Fluorocarbon Coatings layer 4 and hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer 5, the appearance of described steel pipe body 1 is disposed with described FEVE fluorocarbon coating layer 2 and described epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer 3 outward from interior, and the interior table of described steel pipe body 1 is disposed with described TiO inside from outward2Nanocomposite Fluorocarbon Coatings layer 4 and described hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer 5.
In the present invention, the thickness of described epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer 3 is 0.1 ~ 0.5mm.
In the present invention, described TiO2The thickness of Nanocomposite Fluorocarbon Coatings layer 4 is 0.3 ~ 0.8mm.
In the present invention, the thickness of described hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer 5 is 0.4 ~ 0.9mm.
Acid-alkali-corrosive-resisting steel pipe of the present invention provides the benefit that: acid-proof alkaline of the present invention is good, can be suitably used in the environment that corrosivity is strong.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (4)
1. an acid-alkali-corrosive-resisting steel pipe, it is characterised in that including: steel pipe body, FEVE fluorocarbon coating layer, epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer, TiO2Nanocomposite Fluorocarbon Coatings layer and hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer, the appearance of described steel pipe body is disposed with described FEVE fluorocarbon coating layer and described epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer outward from interior, and the interior table of described steel pipe body is disposed with described TiO inside from outward2Nanocomposite Fluorocarbon Coatings layer and described hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer.
Acid-alkali-corrosive-resisting steel pipe the most according to claim 1, it is characterised in that the thickness of described epoxy non-isocyanate polyurethane heavy anti-corrosion coating layer is 0.1 ~ 0.5mm.
Acid-alkali-corrosive-resisting steel pipe the most according to claim 1, it is characterised in that described TiO2The thickness of Nanocomposite Fluorocarbon Coatings layer is 0.3 ~ 0.8mm.
Acid-alkali-corrosive-resisting steel pipe the most according to claim 1, it is characterised in that the thickness of described hydroxy terminated poly-butadiene-polyurethane modified epoxy anticorrosive paint layer is 0.4 ~ 0.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486729.3A CN105952984A (en) | 2016-06-29 | 2016-06-29 | Steel pipe resistant to acid-base corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486729.3A CN105952984A (en) | 2016-06-29 | 2016-06-29 | Steel pipe resistant to acid-base corrosion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105952984A true CN105952984A (en) | 2016-09-21 |
Family
ID=56901509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610486729.3A Pending CN105952984A (en) | 2016-06-29 | 2016-06-29 | Steel pipe resistant to acid-base corrosion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952984A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1298380A2 (en) * | 2001-10-01 | 2003-04-02 | Maruyasu Industries Co., Ltd. | Coating structure of a metal pipe and method of coating a metal pipe |
| CN2705689Y (en) * | 2004-05-21 | 2005-06-22 | 中国石油天然气集团公司 | Weather resistant anti-outer corrosion coated steel pipe |
| CN201133550Y (en) * | 2007-12-27 | 2008-10-15 | 大庆石油学院 | Fluorocarbon resin coatings anti-corrosive antiscaling and wax-preventing oil pipe |
| US20100263761A1 (en) * | 2009-04-16 | 2010-10-21 | Niccolls Edwin H | Structural Components for Oil, Gas, Exploration, Refining and Petrochemical Applications |
| CN103194140A (en) * | 2013-03-29 | 2013-07-10 | 宁波南海化学有限公司 | Self-cleaning super-weather-proof powder paint and preparation method thereof |
| CN205938216U (en) * | 2016-06-29 | 2017-02-08 | 无锡必胜必精密钢管有限公司 | Acid and alkali corrosion resistance steel pipe |
-
2016
- 2016-06-29 CN CN201610486729.3A patent/CN105952984A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1298380A2 (en) * | 2001-10-01 | 2003-04-02 | Maruyasu Industries Co., Ltd. | Coating structure of a metal pipe and method of coating a metal pipe |
| CN2705689Y (en) * | 2004-05-21 | 2005-06-22 | 中国石油天然气集团公司 | Weather resistant anti-outer corrosion coated steel pipe |
| CN201133550Y (en) * | 2007-12-27 | 2008-10-15 | 大庆石油学院 | Fluorocarbon resin coatings anti-corrosive antiscaling and wax-preventing oil pipe |
| US20100263761A1 (en) * | 2009-04-16 | 2010-10-21 | Niccolls Edwin H | Structural Components for Oil, Gas, Exploration, Refining and Petrochemical Applications |
| CN103194140A (en) * | 2013-03-29 | 2013-07-10 | 宁波南海化学有限公司 | Self-cleaning super-weather-proof powder paint and preparation method thereof |
| CN205938216U (en) * | 2016-06-29 | 2017-02-08 | 无锡必胜必精密钢管有限公司 | Acid and alkali corrosion resistance steel pipe |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160921 |