CN110538784A - Construction process for preventing steel pipe coating from cracking - Google Patents
Construction process for preventing steel pipe coating from cracking Download PDFInfo
- Publication number
- CN110538784A CN110538784A CN201910850755.3A CN201910850755A CN110538784A CN 110538784 A CN110538784 A CN 110538784A CN 201910850755 A CN201910850755 A CN 201910850755A CN 110538784 A CN110538784 A CN 110538784A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- parts
- coating
- cracking
- broken
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2254/00—Tubes
- B05D2254/02—Applying the material on the exterior of the tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/30—Change of the surface
- B05D2350/33—Roughening
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a construction process for preventing a steel pipe coating from cracking, which comprises the following steps: setting scratches on the surface of the steel pipe, heating to 180-200 ℃, keeping the temperature constant, and spraying an anticorrosive layer on the surface of the steel pipe; and curing the sprayed pipeline to obtain the target plastic-coated steel pipe. The method of scoring the surface of the steel pipe is adopted, and the special anticorrosive coating is combined to be sprayed under the specific process conditions, so that the obtained plastic-coated steel pipe is firm in combination, the anticorrosive coating is wear-resistant, corrosion-resistant, not easy to crack, long in service life, low in construction cost, high in economic benefit and simple in method.
Description
Technical Field
The invention belongs to the technical field of materials, and particularly relates to a construction process for preventing a steel pipe coating from cracking.
Background
At present, a plastic-coated steel pipe is a novel efficient anti-corrosion pipe, and has the characteristics of excellent anti-corrosion performance, high compressive strength, long service life, smooth inner surface, good liquid flowing performance and the like, so that the plastic-coated steel pipe is rapidly accepted by the market. At present, the production methods of plastic-coated steel pipes in China all have the problems of low adhesion, poor spraying quality, uneven coating and the like, so that the development of a construction process for preventing the coating of the steel pipe from cracking, which can solve the technical problems, is very necessary.
Disclosure of Invention
The invention aims to provide a construction process for preventing a steel pipe coating from cracking.
The invention aims to realize the purpose, and the construction process for preventing the coating of the steel pipe from cracking comprises the following steps:
1) Setting scratches on the surface of a steel pipe, heating to 180-200 ℃, keeping the temperature constant, and spraying an anticorrosive layer on the surface of the pipeline;
2) And curing the steel pipe after the spraying is finished to obtain the target plastic-coated steel pipe.
The method of scoring the surface of the steel pipe is adopted, and the special anticorrosive coating is combined to be sprayed under the specific process conditions, so that the obtained plastic-coated steel pipe is firm in combination, the anticorrosive coating is wear-resistant, corrosion-resistant, not easy to crack, long in service life, low in construction cost, high in economic benefit and simple in method.
Detailed Description
The present invention is further illustrated by the following examples, which are not intended to be limiting in any way, and any modifications or alterations based on the teachings of the present invention are intended to fall within the scope of the present invention.
The construction process for preventing the steel pipe coating from cracking comprises the following steps:
1) Setting scratches on the surface of a steel pipe, heating to 180-200 ℃, keeping the temperature constant, and spraying an anticorrosive layer on the surface of the pipeline;
2) And curing the steel pipe after the spraying is finished to obtain the target plastic-coated steel pipe.
The scratch is Y-shaped or Z-shaped.
The depth of the scratch is 0.5-1 cm.
The anticorrosive layer comprises the following components in parts by mass: 5-10 parts of titanate coupling agent, 15-30 parts of calcium carbonate, 10-20 parts of silicon dioxide and 20-50 parts of epoxy acrylate.
The anticorrosive layer comprises the following components in parts by mass: 8-10 parts of titanate coupling agent, 20-30 parts of calcium carbonate, 10-15 parts of silicon dioxide and 30-40 parts of epoxy acrylate.
the anticorrosive layer comprises the following components in parts by mass: 9 parts of titanate coupling agent, 25 parts of calcium carbonate, 12 parts of silicon dioxide and 40 parts of epoxy acrylate.
the curing is carried out at 120-150 ℃ for 10-20 min.
The invention is further illustrated by the following specific examples:
Example 1
Setting a Y-shaped scratch on the surface of the steel pipe, wherein the scratch depth is 0.5cm, heating to 180-200 ℃, keeping the temperature at 180-200 ℃, and spraying an anticorrosive layer on the surface of the steel pipe; and (3) keeping the sprayed steel pipe at the temperature of 120 ℃ for 20min for curing to obtain the target plastic-coated steel pipe. The anticorrosive layer comprises the following components in parts by mass: 5 parts of titanate coupling agent, 15 parts of calcium carbonate, 10 parts of silicon dioxide and 20 parts of epoxy acrylate.
Example 2
Arranging Z-shaped scratches on the surface of the steel pipe, wherein the depth of the scratches is 1cm, heating to 180-200 ℃, keeping the temperature of 180-200 ℃, and spraying an anticorrosive layer on the surface of the steel pipe; and keeping the steel pipe after spraying at the temperature of 150 ℃ for 10min for curing to obtain the target plastic-coated steel pipe. The anticorrosive layer comprises the following components in parts by mass: 10 parts of titanate coupling agent, 30 parts of calcium carbonate, 20 parts of silicon dioxide and 50 parts of epoxy acrylate.
Example 3
Arranging Z-shaped scratches on the surface of the steel pipe, wherein the depth of the scratches is 0.8cm, heating to 180-200 ℃, keeping the temperature of 180-200 ℃, and spraying an anticorrosive layer on the surface of the steel pipe; and (3) keeping the sprayed steel pipe at the temperature of 140 ℃ for 15min for curing to obtain the target plastic-coated steel pipe. The anticorrosive layer comprises the following components in parts by mass: 9 parts of titanate coupling agent, 25 parts of calcium carbonate, 12 parts of silicon dioxide and 40 parts of epoxy acrylate.
Claims (7)
1. A construction process for preventing a steel pipe coating from cracking is characterized by comprising the following steps: the construction process for preventing the steel pipe coating from cracking comprises the following steps:
1) Setting scratches on the surface of a steel pipe, heating to 180-200 ℃, keeping the temperature constant, and spraying an anticorrosive layer on the surface of the pipeline;
2) And curing the steel pipe after the spraying is finished to obtain the target plastic-coated steel pipe.
2. The process of claim 1, wherein the coating layer of the steel pipe is broken: the scratch is Y-shaped or Z-shaped.
3. The process of claim 1 or 2, wherein the coating layer of the steel pipe is broken: the depth of the scratch is 0.5-1 cm.
4. the process of claim 1, wherein the coating layer of the steel pipe is broken: the anticorrosive layer comprises the following components in parts by mass: 5-10 parts of titanate coupling agent, 15-30 parts of calcium carbonate, 10-20 parts of silicon dioxide and 20-50 parts of epoxy acrylate.
5. the process of claim 1 or 4, wherein the coating layer of the steel pipe is broken: the anticorrosive layer comprises the following components in parts by mass: 8-10 parts of titanate coupling agent, 20-30 parts of calcium carbonate, 10-15 parts of silicon dioxide and 30-40 parts of epoxy acrylate.
6. The process of claim 1 or 4, wherein the coating layer of the steel pipe is broken: the anticorrosive layer comprises the following components in parts by mass: 9 parts of titanate coupling agent, 25 parts of calcium carbonate, 12 parts of silicon dioxide and 40 parts of epoxy acrylate.
7. the process of claim 1, wherein the coating layer of the steel pipe is broken: the curing is carried out at 120-150 ℃ for 10-20 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850755.3A CN110538784A (en) | 2019-09-10 | 2019-09-10 | Construction process for preventing steel pipe coating from cracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850755.3A CN110538784A (en) | 2019-09-10 | 2019-09-10 | Construction process for preventing steel pipe coating from cracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110538784A true CN110538784A (en) | 2019-12-06 |
Family
ID=68713078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910850755.3A Pending CN110538784A (en) | 2019-09-10 | 2019-09-10 | Construction process for preventing steel pipe coating from cracking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110538784A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871593A (en) * | 2020-12-31 | 2021-06-01 | 柳州桂桥缆索有限公司 | Spraying production method of polyurea coating inhaul cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1519724A (en) * | 1975-08-29 | 1978-08-02 | Amchem Prod | Process for applying an organic coating to a metal surfac |
| CH707140A2 (en) * | 2012-10-16 | 2014-04-30 | Norbert Fischer | Device for protecting steel hydraulic structures against mechanical, chemical, corrosive or other influences, comprises inserted fabric reinforcement which is based on passive corrosion protection for steel hydraulic engineering system |
| CN106566332A (en) * | 2016-11-09 | 2017-04-19 | 威海鑫盛动力机械制造有限公司 | Anticorrosive paint |
| CN108504259A (en) * | 2018-05-11 | 2018-09-07 | 夏雅娴 | Anticorrosive paint |
| KR101904670B1 (en) * | 2017-09-27 | 2018-10-12 | 광성기업 주식회사 | Plastic mirror for the vehicles and manufacturing method thereof |
| CN109321075A (en) * | 2018-09-14 | 2019-02-12 | 广东华科新材料研究院有限公司 | A kind of water-based anticorrosive paint and preparation method thereof |
-
2019
- 2019-09-10 CN CN201910850755.3A patent/CN110538784A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1519724A (en) * | 1975-08-29 | 1978-08-02 | Amchem Prod | Process for applying an organic coating to a metal surfac |
| CH707140A2 (en) * | 2012-10-16 | 2014-04-30 | Norbert Fischer | Device for protecting steel hydraulic structures against mechanical, chemical, corrosive or other influences, comprises inserted fabric reinforcement which is based on passive corrosion protection for steel hydraulic engineering system |
| CN106566332A (en) * | 2016-11-09 | 2017-04-19 | 威海鑫盛动力机械制造有限公司 | Anticorrosive paint |
| KR101904670B1 (en) * | 2017-09-27 | 2018-10-12 | 광성기업 주식회사 | Plastic mirror for the vehicles and manufacturing method thereof |
| CN108504259A (en) * | 2018-05-11 | 2018-09-07 | 夏雅娴 | Anticorrosive paint |
| CN109321075A (en) * | 2018-09-14 | 2019-02-12 | 广东华科新材料研究院有限公司 | A kind of water-based anticorrosive paint and preparation method thereof |
Non-Patent Citations (6)
| Title |
|---|
| TANG, EJ ； BIAN, F；KLEIN, A: ""Fabrication of an epoxy graft poly(St-acrylate) composite latex and itsfunctional properties as a steel coating"", 《PROGRESS IN ORGANIC COATINGS》 * |
| 中国建筑金属结构协会给水排水设备分会编: "《给水排水设备实用技术专集》", 31 January 2006, 航空工业出版社 * |
| 张先亮等: "《精细化学品化学》", 31 August 1999, 武汉大学出版社 * |
| 王文广: "《塑料配方设计》", 30 September 1998, 化学工业出版社 * |
| 蒋硕忠: "《绿色化学灌浆技术》", 31 August 2006, 长江出版社 * |
| 赖广森: ""管道防腐用环氧粉末涂料及其新进展"", 《涂料工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871593A (en) * | 2020-12-31 | 2021-06-01 | 柳州桂桥缆索有限公司 | Spraying production method of polyurea coating inhaul cable |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191206 |
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| RJ01 | Rejection of invention patent application after publication |