CN113418060A - Coating construction method for lining GRE on inner wall of carbon steel pipe - Google Patents
Coating construction method for lining GRE on inner wall of carbon steel pipe Download PDFInfo
- Publication number
- CN113418060A CN113418060A CN202110840590.9A CN202110840590A CN113418060A CN 113418060 A CN113418060 A CN 113418060A CN 202110840590 A CN202110840590 A CN 202110840590A CN 113418060 A CN113418060 A CN 113418060A
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- layer
- fiber cloth
- steel pipe
- wall
- 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
Images
Classifications
-
- 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
-
- 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
- B05D7/22—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 internal surfaces, e.g. of tubes
- B05D7/222—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 internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a coating construction method of lining GRE on the inner wall of a carbon steel pipe, which comprises the following steps: step one, cleaning the surface: cleaning the inner surface of the steel pipe, and coating glue on the inner wall of the pipe wall: coating special glue on the inner wall of the steel pipe, and adhering a first layer of glass fiber cloth: and (3) sticking a first layer of glass fiber cloth on the inner wall of the steel pipe, and drying for the first time: drying for 3 hours, and gluing to a first layer of glass fiber cloth: coating the first layer of glass fiber cloth with special glue, and adhering the second layer of glass fiber cloth: the second layer of glass fiber cloth is adhered to the first layer of glass fiber cloth, the GREV glass fiber reinforced plastic laying layer is manufactured in the carbon steel pipe and is adhered to the surface of the carbon steel pipe, and the GREV glass fiber reinforced plastic laying layer has the characteristics of light weight, high strength, corrosion resistance, flame retardance and static conduction of the GRE pipe, so that the phenomenon of carbon steel pipe leakage is avoided, and the safety coefficient of cabin operation is increased.
Description
Technical Field
The invention relates to the technical field of carbon steel pipes, in particular to a coating construction method of lining GRE on the inner wall of a carbon steel pipe.
Background
As is well known, the PH value of discharged water of a desulfurizing tower is 2.5-8, the discharged water belongs to acid water, the PID of some desulfurizing tower manufacturers recommends that a water discharge pipe or a water discharge cabin penetrating piece or a water discharge outboard pipe use a carbon steel internal coating process, the plastic coating layer can really play an acid and alkali resistant effect, but has a potential danger, once the plastic coating process is defective, even if the plastic coating process is a very tiny sand hole, as long as the acid water directly contacts the carbon steel pipe, the corrosion is rapidly increased, the leakage is generated, and the water discharge is huge, once the leakage brings disastrous risks to a cabin.
Disclosure of Invention
The invention aims to provide a coating construction method of lining GRE on the inner wall of a carbon steel pipe, which aims to solve the problems that once a plastic coating process is defective, even if the plastic coating process is very tiny sand holes, as long as acid water directly contacts the carbon steel pipe, corrosion is rapidly increased and leakage is generated, and once leakage occurs, disastrous risks are brought to an engine room due to huge water discharge.
In order to achieve the purpose, the invention provides the following technical scheme: a coating construction method of lining GRE on the inner wall of a carbon steel pipe comprises the following steps:
step one, cleaning the surface: cleaning the inner surface of the steel pipe;
step two, coating glue on the inner wall of the pipe wall: coating special glue on the inner wall of the steel pipe;
step three, adhering a first layer of glass fiber cloth: adhering a first layer of glass fiber cloth to the inner wall of the steel pipe;
step four, drying for the first time: drying for 3 hours;
step five, gluing the first layer of glass fiber cloth: coating the first layer of glass fiber cloth with special glue;
step six, adhering a second layer of glass fiber cloth: adhering a second layer of glass fiber cloth on the first layer of glass fiber cloth;
step seven, drying for the second time: drying for 3 hours;
step eight, gluing a second layer of glass fiber cloth: coating the second layer of glass fiber cloth with special glue;
step nine, pasting a third layer of glass fiber cloth: sticking the third layer of glass fiber cloth on the second layer of glass fiber cloth;
step ten, gluing a third layer of glass fiber cloth: coating the third layer of glass fiber cloth with special glue;
eleventh, third drying: drying for 3 hours.
As a preferable technical solution of the present invention, the steel pipe in the first step is a carbon steel pipe.
In a preferred embodiment of the present invention, the drying time in the fourth step, the seventh step and the eleventh step is an optimal drying time.
In a preferred embodiment of the present invention, the first layer of glass fiber cloth in step three, the second layer of glass fiber cloth in step six, and the third layer of glass fiber cloth in step ten have the same specification.
According to a preferable technical scheme of the invention, the thickness of the special glue applied in the second step, the thickness of the special glue applied in the fifth step, the thickness of the special glue applied in the eighth step and the thickness of the special glue applied in the tenth step are the same.
Compared with the prior art, the invention has the beneficial effects that: the GREV glass fiber reinforced plastic laying layer is manufactured in the carbon steel pipe and is adhered to the surface of the carbon steel pipe, and the GREV glass fiber reinforced plastic laying layer has the characteristics of light weight, high strength, corrosion resistance, flame retardance and static conduction of the GRE pipe, so that the phenomenon of carbon steel pipe leakage is avoided, and the safety coefficient of cabin operation is increased.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention;
FIG. 2 is a diagram of the overall arrangement of a modified GRE pipeline;
fig. 3 is a perspective view of a formed tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a coating construction method of lining GRE on the inner wall of a carbon steel pipe, which comprises the following steps:
step one, cleaning the surface: cleaning the inner surface of the steel pipe;
step two, coating glue on the inner wall of the pipe wall: coating special glue on the inner wall of the steel pipe;
step three, adhering a first layer of glass fiber cloth: adhering a first layer of glass fiber cloth to the inner wall of the steel pipe;
step four, drying for the first time: drying for 3 hours;
step five, gluing the first layer of glass fiber cloth: coating the first layer of glass fiber cloth with special glue;
step six, adhering a second layer of glass fiber cloth: adhering a second layer of glass fiber cloth on the first layer of glass fiber cloth;
step seven, drying for the second time: drying for 3 hours;
step eight, gluing a second layer of glass fiber cloth: coating the second layer of glass fiber cloth with special glue;
step nine, pasting a third layer of glass fiber cloth: sticking the third layer of glass fiber cloth on the second layer of glass fiber cloth;
step ten, gluing a third layer of glass fiber cloth: coating the third layer of glass fiber cloth with special glue;
eleventh, third drying: drying for 3 hours.
Preferably, the steel pipe in the first step is a carbon steel pipe.
Preferably, the drying time in step four, step seven and step eleven is the optimum drying time.
Preferably, the first layer of glass fiber cloth in the third step, the second layer of glass fiber cloth in the sixth step and the third layer of glass fiber cloth in the tenth step have the same specification.
Preferably, the thickness of the special glue applied in the second step, the thickness of the special glue applied in the fifth step, the thickness of the special glue applied in the eighth step and the thickness of the special glue applied in the tenth step are the same.
Based on the characteristics of the GRE pipe, the inner surface of the carbon steel pipe is cleaned, a user applies special glue on the inner wall of the carbon steel pipe, the first layer of glass fiber cloth is adhered to the inner wall of the carbon steel pipe after uniform application, the adhered carbon steel pipe is dried for 3 hours for the first time, the user coats the special glue on the surface of the first layer of glass fiber cloth after drying, the second layer of glass fiber cloth is adhered to the first layer of glass fiber cloth after uniform application, the adhered carbon steel pipe is dried for 3 hours for the second time, the user coats the special glue on the second layer of glass fiber cloth after drying, the user adheres the third layer of glass fiber cloth on the second layer of glass fiber cloth after uniform application, the user coats the special glue on the third layer of glass fiber cloth and uniformly applies the special glue on the third layer of glass fiber cloth, the adhered carbon steel pipe is dried for the third time, drying for 3 hours, finishing coating the lining GRE on the inner wall of the carbon steel pipe, wherein the carbon steel lining GRE pipe is prepared by winding and molding glass fiber, carbon fiber and the like by using epoxy resin as a matrix and using the glass fiber, the carbon fiber and the like as reinforcing materials, and has the specific gravity of only 1/4 of the traditional carbon steel coated pipe.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. A coating construction method of lining GRE on the inner wall of a carbon steel pipe is characterized by comprising the following steps:
step one, cleaning the surface: cleaning the inner surface of the steel pipe;
step two, coating glue on the inner wall of the pipe wall: coating special glue on the inner wall of the steel pipe;
step three, adhering a first layer of glass fiber cloth: adhering a first layer of glass fiber cloth to the inner wall of the steel pipe;
step four, drying for the first time: drying for 3 hours;
step five, gluing the first layer of glass fiber cloth: coating the first layer of glass fiber cloth with special glue;
step six, adhering a second layer of glass fiber cloth: adhering a second layer of glass fiber cloth on the first layer of glass fiber cloth;
step seven, drying for the second time: drying for 3 hours;
step eight, gluing a second layer of glass fiber cloth: coating the second layer of glass fiber cloth with special glue;
step nine, pasting a third layer of glass fiber cloth: sticking the third layer of glass fiber cloth on the second layer of glass fiber cloth;
step ten, gluing a third layer of glass fiber cloth: coating the third layer of glass fiber cloth with special glue;
eleventh, third drying: drying for 3 hours.
2. The method of claim 1, wherein the GRE lining is coated on the inner wall of the carbon steel pipe, and the method comprises the following steps: the steel pipe in the first step is a carbon steel pipe.
3. The method of claim 1, wherein the GRE lining is coated on the inner wall of the carbon steel pipe, and the method comprises the following steps: the drying time in the fourth step, the seventh step and the eleventh step is the optimal drying time.
4. The method of claim 1, wherein the GRE lining is coated on the inner wall of the carbon steel pipe, and the method comprises the following steps: and the specifications of the first layer of glass fiber cloth in the third step, the second layer of glass fiber cloth in the sixth step and the third layer of glass fiber cloth in the tenth step are the same.
5. The method of claim 1, wherein the GRE lining is coated on the inner wall of the carbon steel pipe, and the method comprises the following steps: the thickness of the special glue applied in the second step, the thickness of the special glue applied in the fifth step, the thickness of the special glue applied in the eighth step and the thickness of the special glue applied in the tenth step are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110840590.9A CN113418060A (en) | 2021-07-25 | 2021-07-25 | Coating construction method for lining GRE on inner wall of carbon steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110840590.9A CN113418060A (en) | 2021-07-25 | 2021-07-25 | Coating construction method for lining GRE on inner wall of carbon steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113418060A true CN113418060A (en) | 2021-09-21 |
Family
ID=77718318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110840590.9A Pending CN113418060A (en) | 2021-07-25 | 2021-07-25 | Coating construction method for lining GRE on inner wall of carbon steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113418060A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100112248A1 (en) * | 2008-10-31 | 2010-05-06 | E.I. Du Pont De Nemours And Company | Highly abrasion-resistant grafted polyolefin pipe |
| CN202402883U (en) * | 2011-11-01 | 2012-08-29 | 河南中拓石油工程技术股份有限公司 | Composite pipeline for pipeline repair |
| CN107780622A (en) * | 2017-09-22 | 2018-03-09 | 龙正环保股份有限公司 | A kind of anticorrosion of flue duct construction method |
| CN207989929U (en) * | 2018-02-06 | 2018-10-19 | 江苏健力钢管有限公司 | A kind of high rigidity steel pipe |
-
2021
- 2021-07-25 CN CN202110840590.9A patent/CN113418060A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100112248A1 (en) * | 2008-10-31 | 2010-05-06 | E.I. Du Pont De Nemours And Company | Highly abrasion-resistant grafted polyolefin pipe |
| CN202402883U (en) * | 2011-11-01 | 2012-08-29 | 河南中拓石油工程技术股份有限公司 | Composite pipeline for pipeline repair |
| CN107780622A (en) * | 2017-09-22 | 2018-03-09 | 龙正环保股份有限公司 | A kind of anticorrosion of flue duct construction method |
| CN207989929U (en) * | 2018-02-06 | 2018-10-19 | 江苏健力钢管有限公司 | A kind of high rigidity steel pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2006034653A1 (en) | Carbon fiber composite for repairing and reinforcing pipelines having defects and the method of application | |
| CN102454134B (en) | Bond paper and production method thereof | |
| CN113418060A (en) | Coating construction method for lining GRE on inner wall of carbon steel pipe | |
| CN2819004Y (en) | External high-temperature antiseptic coating acrylic polyurethane steel pipe | |
| US6363975B1 (en) | Bonding of steel strips in steel strip laminate pipe | |
| CN209604691U (en) | It is a kind of convenient for putting and not easily damaged steel wire mesh framework composite tube | |
| CN209278722U (en) | A kind of convertible liner hose for pipeline rehabilitation | |
| CN113878886B (en) | Composite material silencing nacelle sound lining maintenance method | |
| CN206487942U (en) | A kind of high-strength corrosion-resisting gapless stainless steel tube | |
| CN110608318A (en) | Hot rotational molding pipeline and manufacturing method thereof | |
| CN211597484U (en) | Acid rain corrosion prevention structure for gray plastic decoration | |
| CN220535115U (en) | Carbon fiber prepreg cloth with stable structure | |
| CN207299001U (en) | A kind of desulfuration chimney fiberglass patch clad steel plate inner cylinder | |
| CN201246535Y (en) | Composite pipe for building | |
| CN215522291U (en) | Corrosion-resistant seamless steel pipe | |
| CN214534885U (en) | Corrosion-resistant gas transmission pipeline | |
| CN216199798U (en) | Rubber coating sleeve of steel roller | |
| CN207092276U (en) | A kind of anticorrosive composite coating for Steel Structure Weld | |
| CN218992623U (en) | Novel anti-corrosion gas pipeline | |
| CN114656869B (en) | Wind power tower finish paint containing indium chloride coated carbon nanofibers and preparation method and use method thereof | |
| CN220353185U (en) | Decorative structure for ultra-high performance concrete hollow plate with surface defects | |
| CN213745330U (en) | Internal pipeline of mould temperature controller | |
| CN216201251U (en) | Anticorrosion steel band pipe convenient to clearance | |
| CN215375845U (en) | Gold-plated optical fiber | |
| CN211763993U (en) | Double-sided 9H flexible fiber membrane |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210921 |