CN112886523A - Anti-drag flame-retardant corrosion-resistant cable protection pipe and preparation process thereof - Google Patents
Anti-drag flame-retardant corrosion-resistant cable protection pipe and preparation process thereof Download PDFInfo
- Publication number
- CN112886523A CN112886523A CN202110028745.9A CN202110028745A CN112886523A CN 112886523 A CN112886523 A CN 112886523A CN 202110028745 A CN202110028745 A CN 202110028745A CN 112886523 A CN112886523 A CN 112886523A
- Authority
- CN
- China
- Prior art keywords
- protection pipe
- drag
- layer
- flame
- corrosion
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/04—Installations of electric cables or lines in or on the ground or water in surface ducts; Ducts or covers therefor
Landscapes
- Details Of Indoor Wiring (AREA)
Abstract
The invention discloses a resistance-reducing flame-retardant corrosion-resistant cable protection pipe which comprises a structure main body, wherein the structure main body comprises a protection pipe, a resistance-reducing coating coated on the inner wall of the protection pipe, and a protection layer arranged on the outer wall of the protection pipe; the protective layer is a latticed protective layer and consists of a steel wire mesh and a flexible wear-resistant layer arranged on the surface layer of the steel wire mesh in a wrapping mode; the outer wall of the protection pipe and the surface layer of the protective layer are provided with anticorrosive layers; according to the cable protection pipe, the material is improved, the inner wall of the protection pipe is coated with the anti-drag coating, and the outer wall of the protection pipe is coated with the anti-corrosion coating, so that the inner wall of the protection pipe is smooth and flawless, the outer wall of the protection pipe is anti-corrosion, and the cable protection pipe has excellent heat resistance, flame retardance, corrosion resistance and drag reduction; the protective layer is arranged outside the protective tube, so that the compression resistance and the wear resistance of the protective tube are improved.
Description
Technical Field
The invention relates to the technical field of cable protection pipe processing, in particular to a resistance-reducing flame-retardant corrosion-resistant cable protection pipe and a preparation process thereof.
Background
With the high-speed development of communication industry, the demand of cable protection pipes is increasing, the cable protection pipes are mainly used for penetration, isolation and protection of optical fibers, and for cable laying of telecommunication, cable television signals, metropolitan area network lines, power department cables, light rays and the like, the cable protection pipes are mainly installed underground or on the ground and are used for protecting the cables from being corroded and damaged, short-circuit accidents caused by disconnection of power lines are prevented, the communication cables and steel wire ropes are electrified, the cables, switches and machine core boards are protected, the whole machine is prevented from being burnt out, and a certain isolation effect is achieved on magnetic field interference of the power lines. Cable protection pipes are generally required for use in a variety of harsh environments, including subsea, snow and saline environments, among others. Because the use environment is severe, the plastic material needs to be reinforced and modified, so that the plastic material has higher rigidity and is used for resisting external load; the material has the characteristics of strong cold resistance and heat resistance, difficult corrosion and deformation, long service life and the like.
However, the inner wall of the protective tube in the prior art is rough, the cable is easily scratched, and the resistance reduction performance of the inner wall can be improved by adding a lubricant or coating a resistance reduction coating.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a resistance-reducing flame-retardant corrosion-resistant cable protection pipe and a preparation process thereof, which can effectively solve the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a resistance-reducing flame-retardant corrosion-resistant cable protection tube comprises a structure main body, wherein the structure main body comprises a protection tube, a resistance-reducing coating coated on the inner wall of the protection tube, and a protection layer arranged on the outer wall of the protection tube;
the protective layer is a latticed protective layer and consists of a steel wire mesh and a flexible wear-resistant layer arranged on the surface layer of the steel wire mesh in a wrapping mode;
and the outer wall of the protection pipe and the surface layer of the protective layer are provided with anticorrosive layers.
Preferably, the flexible wear-resistant layer is one of a flexible silica gel wear-resistant layer and a flexible rubber wear-resistant layer.
Preferably, the protective layer is connected with the protective tube in a hot-melt manner.
Preferably, the anticorrosive layer is an anticorrosive asphalt layer.
Preferably, the hardness of the steel wire mesh is greater than that of the protection pipe.
A preparation process of a resistance-reducing flame-retardant corrosion-resistant cable protection pipe comprises the following steps:
step S1, raw materials are set, wherein the raw materials comprise resin, additives, drag reduction coatings and anticorrosive coatings;
step S2, arranging processing equipment, wherein the processing equipment comprises a mixing device, an extruding device, a cutting device, a flaring device and a spraying device, and the mixing device comprises a stirring mechanism and a heating mechanism;
step S3, mixing materials, namely stirring and mixing the resin and the additive through a mixing device, and then heating and smelting;
s4, performing extrusion molding, namely performing extrusion cooling molding on the heated and melted raw materials through an extrusion device to obtain a protection tube with a tubular structure;
step S5, cutting the formed protective tube with the tubular structure into sections through a cutting device;
step S6, arranging a protective layer, and sleeving the protective layer consisting of a steel wire mesh and a flexible wear-resistant layer outside the cut protective tube;
and step S7, coating, namely spraying a drag reduction coating on the inner wall of the protection pipe by using a spraying device to form a drag reduction coating, and spraying an anticorrosive coating on the outer walls of the protection pipe and the protective layer to form an anticorrosive coating.
Preferably, in step 1, the resin comprises polycarbonate and polypropylene resin, and the additives comprise coupling agent, toughening agent, lubricant, antioxidant and flame retardant.
Compared with the prior art, the invention has the beneficial effects that:
according to the cable protection pipe, the material is improved, the inner wall of the protection pipe is coated with the anti-drag coating, and the outer wall of the protection pipe is coated with the anti-corrosion coating, so that the inner wall of the protection pipe is smooth and flawless, the outer wall of the protection pipe is anti-corrosion, and the cable protection pipe has excellent heat resistance, flame retardance, corrosion resistance and drag reduction; the protective layer is arranged outside the protective tube, so that the compression resistance and the wear resistance of the protective tube are improved.
Drawings
FIG. 1 is a schematic view of a cable protection tube structure according to the present invention;
FIG. 2 is a flow chart of the preparation process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
As shown in fig. 1:
in this embodiment:
a resistance-reducing flame-retardant corrosion-resistant cable protection tube comprises a structure main body, wherein the structure main body comprises a protection tube, a resistance-reducing coating coated on the inner wall of the protection tube, and a protection layer arranged on the outer wall of the protection tube; the protective layer is a latticed protective layer and consists of a steel wire mesh and a flexible wear-resistant layer arranged on the surface layer of the steel wire mesh in a wrapping mode; and the outer wall of the protection pipe and the surface layer of the protective layer are provided with anticorrosive layers.
The flexible wear-resistant layer is one of a flexible silica gel wear-resistant layer and a flexible rubber wear-resistant layer; the protective layer is connected with the protective tube in a hot melting mode; the anticorrosive layer is an anticorrosive asphalt layer; the hardness of the steel wire mesh is greater than that of the protection tube.
As shown in figure 2 of the drawings, in which,
in this embodiment:
a preparation process of a resistance-reducing flame-retardant corrosion-resistant cable protection pipe comprises the following steps:
step S1, raw materials are set, wherein the raw materials comprise resin, additives, drag reduction coatings and anticorrosive coatings;
step S2, arranging processing equipment, wherein the processing equipment comprises a mixing device, an extruding device, a cutting device, a flaring device and a spraying device, and the mixing device comprises a stirring mechanism and a heating mechanism;
step S3, mixing materials, namely stirring and mixing the resin and the additive through a mixing device, and then heating and smelting;
s4, performing extrusion molding, namely performing extrusion cooling molding on the heated and melted raw materials through an extrusion device to obtain a protection tube with a tubular structure;
step S5, cutting the formed protective tube with the tubular structure into sections through a cutting device;
step S6, arranging a protective layer, and sleeving the protective layer consisting of a steel wire mesh and a flexible wear-resistant layer outside the cut protective tube;
and step S7, coating, namely spraying a drag reduction coating on the inner wall of the protection pipe by using a spraying device to form a drag reduction coating, and spraying an anticorrosive coating on the outer walls of the protection pipe and the protective layer to form an anticorrosive coating.
In the step 1, the resin comprises polycarbonate and polypropylene resin, and the additive comprises a coupling agent, a toughening agent, a lubricant, an antioxidant and a flame retardant.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The anti-drag flame-retardant corrosion-resistant cable protection pipe is characterized by comprising a structure main body, wherein the structure main body comprises a protection pipe, an anti-drag coating coated on the inner wall of the protection pipe, and a protection layer arranged on the outer wall of the protection pipe;
the protective layer is a latticed protective layer and consists of a steel wire mesh and a flexible wear-resistant layer arranged on the surface layer of the steel wire mesh in a wrapping mode;
and the outer wall of the protection pipe and the surface layer of the protective layer are provided with anticorrosive layers.
2. The drag-reducing, flame-retardant and corrosion-resistant cable protection tube according to claim 1, wherein: the flexible wear-resistant layer is one of a flexible silica gel wear-resistant layer and a flexible rubber wear-resistant layer.
3. The drag-reducing, flame-retardant and corrosion-resistant cable protection tube according to claim 1, wherein: the protective layer is connected with the protective tube in a hot melting mode.
4. The drag-reducing, flame-retardant and corrosion-resistant cable protection tube according to claim 1, wherein: the anticorrosive coating is an anticorrosive asphalt layer.
5. The drag-reducing, flame-retardant and corrosion-resistant cable protection tube according to claim 1, wherein: the hardness of the steel wire mesh is greater than that of the protection tube.
6. A process for preparing the drag-reducing flame-retardant corrosion-resistant cable protection tube of claims 1-5, wherein the process comprises the following steps: the method comprises the following steps:
step S1, raw materials are set, wherein the raw materials comprise resin, additives, drag reduction coatings and anticorrosive coatings;
step S2, arranging processing equipment, wherein the processing equipment comprises a mixing device, an extruding device, a cutting device, a flaring device and a spraying device, and the mixing device comprises a stirring mechanism and a heating mechanism;
step S3, mixing materials, namely stirring and mixing the resin and the additive through a mixing device, and then heating and smelting;
s4, performing extrusion molding, namely performing extrusion cooling molding on the heated and melted raw materials through an extrusion device to obtain a protection tube with a tubular structure;
step S5, cutting the formed protective tube with the tubular structure into sections through a cutting device;
step S6, arranging a protective layer, and sleeving the protective layer consisting of a steel wire mesh and a flexible wear-resistant layer outside the cut protective tube;
and step S7, coating, namely spraying a drag reduction coating on the inner wall of the protection pipe by using a spraying device to form a drag reduction coating, and spraying an anticorrosive coating on the outer walls of the protection pipe and the protective layer to form an anticorrosive coating.
7. The preparation process of the drag-reducing flame-retardant corrosion-resistant cable protection tube according to claim 6, wherein: in the step 1, the resin comprises polycarbonate and polypropylene resin, and the additive comprises a coupling agent, a toughening agent, a lubricant, an antioxidant and a flame retardant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110028745.9A CN112886523A (en) | 2021-01-11 | 2021-01-11 | Anti-drag flame-retardant corrosion-resistant cable protection pipe and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110028745.9A CN112886523A (en) | 2021-01-11 | 2021-01-11 | Anti-drag flame-retardant corrosion-resistant cable protection pipe and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112886523A true CN112886523A (en) | 2021-06-01 |
Family
ID=76047651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110028745.9A Pending CN112886523A (en) | 2021-01-11 | 2021-01-11 | Anti-drag flame-retardant corrosion-resistant cable protection pipe and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112886523A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897208A (en) * | 2019-03-28 | 2019-06-18 | 杭州人通管业有限公司 | A kind of fire-retardant corrosion proof cable protection pipe of drag reduction formula and its preparation process |
| CN110239052A (en) * | 2019-06-04 | 2019-09-17 | 安徽管益生新材料科技有限公司 | A kind of etch-proof PE tubing manufacture craft |
| CN111371057A (en) * | 2020-04-09 | 2020-07-03 | 江苏法斯特电力科技有限公司 | Flame-retardant power cable protection pipe |
-
2021
- 2021-01-11 CN CN202110028745.9A patent/CN112886523A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897208A (en) * | 2019-03-28 | 2019-06-18 | 杭州人通管业有限公司 | A kind of fire-retardant corrosion proof cable protection pipe of drag reduction formula and its preparation process |
| CN110239052A (en) * | 2019-06-04 | 2019-09-17 | 安徽管益生新材料科技有限公司 | A kind of etch-proof PE tubing manufacture craft |
| CN111371057A (en) * | 2020-04-09 | 2020-07-03 | 江苏法斯特电力科技有限公司 | Flame-retardant power cable protection pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206134319U (en) | Wear -resistant cable | |
| CN104200899B (en) | A kind of small-bend radius shock resistance light optical fibre power cable and technological process thereof | |
| CN112886523A (en) | Anti-drag flame-retardant corrosion-resistant cable protection pipe and preparation process thereof | |
| CN204538631U (en) | Low friction modified polypropylene/fiberglass compound electric solenoid | |
| CN105845213A (en) | Novel corrosion-resistance flexible fireproof photoelectric composite cable | |
| CN206516414U (en) | A kind of high temperature resistant blocks water signal wire | |
| CN205508510U (en) | Mixed cable of coaxial electric haplotype photoelectricity of aluminum alloy conductor | |
| CN210577698U (en) | Novel MPP power cable protection pipe sleeve | |
| CN114542814B (en) | PE pipe and installation method thereof | |
| CN215600156U (en) | Anti-termite fireproof photoelectric composite cable | |
| CN218038687U (en) | Photoelectric composite cable | |
| CN210403323U (en) | Photoelectric composite cable | |
| CN204332420U (en) | A kind of electric automobile inside high-tension cable | |
| CN205080925U (en) | Seamless steel pipe inner core composite cable for lathe | |
| CN220457054U (en) | CPVC cable tube of fire-retardant fire prevention | |
| CN204332521U (en) | A kind of electric automobile inside stube cable | |
| CN215185549U (en) | Cable sheath stripping device | |
| CN215183273U (en) | Cooling device for cable production | |
| CN204332421U (en) | A kind of electric automobile inside aluminium alloy cable | |
| CN220137966U (en) | Multicore sheath cable | |
| CN214590306U (en) | PVC power cable protection pipe | |
| CN214624473U (en) | Lightweight, high-strength, flame-retardant and high-performance space cable sleeve | |
| CN213517687U (en) | Plastic optical fiber cable with color bar marks | |
| CN220933801U (en) | Composite photoelectric control cable | |
| CN218272831U (en) | Heavy buried armored optical fiber cable |
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: 20210601 |