CN201041275Y - Drinking water conveyor pipe with erosion-proof coating - Google Patents
Drinking water conveyor pipe with erosion-proof coating Download PDFInfo
- Publication number
- CN201041275Y CN201041275Y CNU2007201041019U CN200720104101U CN201041275Y CN 201041275 Y CN201041275 Y CN 201041275Y CN U2007201041019 U CNU2007201041019 U CN U2007201041019U CN 200720104101 U CN200720104101 U CN 200720104101U CN 201041275 Y CN201041275 Y CN 201041275Y
- Authority
- CN
- China
- Prior art keywords
- thickness
- external coating
- epoxy
- steel pipe
- drinking water
- 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.)
- Expired - Lifetime
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a drinking water delivery pipe with an anti-scour corrosion resistant coating, and comprises a steel pipe (1) and reserved welding sections (2) arranged at both ends of the steel pipe (1); the utility model is characterized in that an inorganic zinc silicate weldable internal coating (3) is arranged on the inner surface of the reserved welding sections (2), inorganic zinc silicate weldable external coatings (4) are arranged on the outer surfaces of the reserved welding sections (2), an epoxy internal coating (5) used for the protection of a drinking water pipeline is arranged on the inner surface of the steel pipe (1), and an epoxy zinc rich primer external coating (6), an epoxy micaceous iron intermediate paint external coating (7), and an acrylic acid polyurethane external coating (8) are arranged on the outer surface of the steel pipe (1) in sequence. The utility model has excellent scour resistance, weather resistance, ultraviolet light resistance, and wet heat resistance, and can be used for an overhead drinking water delivery pipeline with large caliber and drop height within 400 m.
Description
Technical field
The utility model relates to a kind of potable water delivery pipe that has the antiscour corrosion-resistant finishes, can be used for drop at 400m with interior heavy caliber potable water transfer line.
Background technique
Anticorrosion employing slush or non-toxic coatings in the large-diameter steel pipeline of existing conveying potable water carries out, the epoxide coal bituminous anticorrosive paint of outer anticorrosion employing.When the transporting water drop was big, because after the water flowing, water is very big to the internal surface scouring intensity of steel pipe, slush or common nontoxic coating were difficult to bear height and wash away.The corrosion resistant coating of built on stilts exposed conduit requires adhesion, weatherability, salt spray resistance and wet-hot aging performance excellence, requires long service life, and existing coating is difficult to satisfy above-mentioned requirements.
Summary of the invention
The technical problems to be solved in the utility model: avoid above-mentioned deficiency of the prior art and a kind of the have heavy caliber of good scour resistance, adhesion, weatherability, salt spray resistance and humidity resistance, the built on stilts potable water delivery pipe that has the antiscour corrosion-resistant finishes are provided.
The technical solution adopted in the utility model
The potable water delivery pipe that has the antiscour corrosion-resistant finishes, 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 drinking water pipeline protection epoxy undercoating 5, outer surface at steel pipe 1 has epoxy zinc rich primer external coating 6 successively, epoxy micaceous iron intermediate coat external coating 7, acroleic acid polyurethane external coating 8, steel pipe 1 long 9～12m, the internal diameter of pipe is 2000～2400mm, wall thickness 16～32mm, reserve each long 80～120mm of welding section 2 every ends, inorganic zinc silicate can weld the thickness 0.04～0.05mm of undercoating 3, the thickness that inorganic zinc silicate can weld external coating 4 is 0.04～0.05mm, the drinking water pipeline protection is 0.3～0.4mm with the thickness of epoxy undercoating 5, the thickness of epoxy zinc rich primer external coating 6 is 0.06～0.07mm, the thickness of epoxy micaceous iron intermediate coat external coating 7 is 0.07～0.08mm, and the thickness of acroleic acid polyurethane external coating 8 is 0.12～0.14mm.
The potable water delivery pipe that has the antiscour corrosion-resistant finishes, the internal diameter that it is characterized in that steel pipe 1 long 10m, pipe is 2400mm, wall thickness 32mm, reserve welding section 2 long 95mm, the thickness that inorganic zinc silicate can weld undercoating 3 is 0.04mm, the thickness that inorganic zinc silicate can weld external coating 4 is 0.05mm, the drinking water pipeline protective coating is 0.4mm with epoxy undercoating 5 thickness, the thickness of epoxy zinc rich primer external coating 6 is 0.06mm, the thickness of epoxy micaceous iron intermediate coat external coating 7 is 0.07mm, and the thickness of acroleic acid polyurethane external coating 8 is 0.12mm.
The utility model beneficial effect compared with prior art:
1, the potable water delivery pipe that has the antiscour corrosion-resistant finishes; interior barrier coating uses the nontoxic coating of drinking water pipeline of scour resistance; both protected steel pipe not to be subjected to burn into water quality not contaminated; can protect steel pipe again and under the current height washes away, not be damaged, thereby guarantee that its pipeline is long-term, safe operation.
2, outer anticorrosion barrier coating can guarantee that pipeline uses for a long time under intensive ultraviolet, damp and hot environment.
3, reserve the inner and outer surface coating inorganic zinc silicate weldable coating layer of welding section 2, 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 that has the potable water delivery pipe of antiscour corrosion-resistant finishes.
Embodiment
As shown in Figure 1, among the figure: 1-steel pipe, 2-reservation welding section, 3-inorganic zinc silicate can weld undercoating, the 4-inorganic zinc silicate can weld external coating, 5-drinking water pipeline protection epoxy undercoating, 6-epoxy zinc rich primer external coating, 7-epoxy micaceous iron intermediate coat external coating, 8-acroleic acid polyurethane external coating.
Steel pipe 1 long 10m, bore are 2400mm, wall thickness 32mm, reserve welding section 2 long 95mm, the thickness that inorganic zinc silicate can weld undercoating 3 is 0.04mm, the thickness that inorganic zinc silicate can weld external coating 4 is 0.05mm, the drinking water pipeline protection is 0.4mm with epoxy undercoating 5 thickness, the thickness of epoxy zinc rich primer external coating 6 is 0.06mm, and the thickness of epoxy micaceous iron intermediate coat external coating 7 is 0.07mm, and the thickness of acroleic acid polyurethane external coating 8 is 0.12mm.
The potable water delivery pipe manufacture process that has the antiscour corrosion-resistant finishes is as follows:
With steel pipe 1 inner and outer surface derusting by sandblasting, internal surface spraying drinking water pipeline protection epoxy undercoating 5 at steel pipe 1, can weld undercoating 3 at reservation welding section 2 internal surfaces spraying inorganic zinc silicate, outer surface at steel pipe 1 sprays epoxy zinc rich primer external coating 6, epoxy micaceous iron intermediate coat external coating 7, acroleic acid polyurethane external coating 8 successively, can weld undercoating 4 at reservation welding section 2 outer surfaces spraying inorganic zinc silicate.Should manage at the scene to connect and make pipeline.
The drinking water pipeline protection forms with the 8701 potable water protective coatings spraying that epoxy undercoating 5 adopts Tianjin Zhongyou Boxing Engineering Technology Co., Ltd. to sell, and other material all adopts the commercially available prod.
Claims (2)
1. potable water delivery pipe that has the antiscour corrosion-resistant finishes, 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 drinking water pipeline protection epoxy undercoating (5), outer surface at steel pipe (1) has epoxy zinc rich primer external coating (6) successively, epoxy micaceous iron intermediate coat external coating (7), acroleic acid polyurethane external coating (8), long 9～the 12m of steel pipe (1), the internal diameter of pipe is 2000～2400mm, wall thickness 16～32mm, reserve each long 80～120mm of the every end of welding section (2), inorganic zinc silicate can weld the thickness 0.04～0.05mm of undercoating (3), the thickness that inorganic zinc silicate can weld external coating (4) is 0.04～0.05mm, the drinking water pipeline protection is 0.3～0.4mm with the thickness of epoxy undercoating (5), the thickness of epoxy zinc rich primer external coating (6) is 0.06～0.07mm, the thickness of epoxy micaceous iron intermediate coat external coating (7) is 0.07～0.08mm, and the thickness of acroleic acid polyurethane external coating (8) is 0.12～0.14mm.
2. the potable water delivery pipe that has the antiscour corrosion-resistant finishes according to claim 1, it is characterized in that the long 10m of steel pipe (1), the internal diameter of pipe is 2400mm, wall thickness 32mm, reserve the long 95mm of welding section (2), the thickness that inorganic zinc silicate can weld undercoating (3) is 0.04mm, the thickness that inorganic zinc silicate can weld external coating (4) is 0.05mm, the drinking water pipeline protection is 0.4mm with epoxy undercoating (5) thickness, the thickness of epoxy zinc rich primer external coating (6) is 0.06mm, the thickness of epoxy micaceous iron intermediate coat external coating (7) is 0.07mm, and the thickness of acroleic acid polyurethane external coating (8) is 0.12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201041019U CN201041275Y (en) | 2007-04-03 | 2007-04-03 | Drinking water conveyor pipe with erosion-proof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201041019U CN201041275Y (en) | 2007-04-03 | 2007-04-03 | Drinking water conveyor pipe with erosion-proof coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041275Y true CN201041275Y (en) | 2008-03-26 |
Family
ID=39252981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201041019U Expired - Lifetime CN201041275Y (en) | 2007-04-03 | 2007-04-03 | Drinking water conveyor pipe with erosion-proof coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201041275Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023681A (en) * | 2017-03-24 | 2017-08-08 | 长葛市航天密封科技有限公司 | A kind of anticorrosion seal washer |
| CN113578717A (en) * | 2021-08-17 | 2021-11-02 | 重庆鼎久管道有限公司 | Spraying method for improving corrosion resistance of plastic-coated steel pipe |
-
2007
- 2007-04-03 CN CNU2007201041019U patent/CN201041275Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023681A (en) * | 2017-03-24 | 2017-08-08 | 长葛市航天密封科技有限公司 | A kind of anticorrosion seal washer |
| CN113578717A (en) * | 2021-08-17 | 2021-11-02 | 重庆鼎久管道有限公司 | Spraying method for improving corrosion resistance of plastic-coated steel pipe |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080326 |