CN114360786A - Tear-resistant series constant-power electric tracing band - Google Patents
Tear-resistant series constant-power electric tracing band Download PDFInfo
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- CN114360786A CN114360786A CN202111643653.8A CN202111643653A CN114360786A CN 114360786 A CN114360786 A CN 114360786A CN 202111643653 A CN202111643653 A CN 202111643653A CN 114360786 A CN114360786 A CN 114360786A
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- 229920001971 elastomer Polymers 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229920006231 aramid fiber Polymers 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 7
- 239000004760 aramid Substances 0.000 claims description 5
- 229920003235 aromatic polyamide Polymers 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 238000005728 strengthening Methods 0.000 abstract description 5
- 238000009422 external insulation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a tear-resistant series constant-power electric tracing band in the technical field of electric tracing bands, which comprises a heating core wire, an insulating sheath, an outer insulating layer, a tinned copper wire braided sheath, a rubber fixing layer, an inner tensile layer, an outer tensile layer and a sheath layer; the heating core wires are provided with three groups; the three groups of insulating sheaths are arranged outside the three groups of heating core wires respectively; the three groups of insulating sheaths are uniformly arranged in the outer insulating layer; the tinned copper wire braided sheath is arranged outside the outer insulating layer; the rubber fixing layer is arranged outside the tinned copper wire braided sheath; the inner tensile layer is arranged outside the rubber fixing layer; the outer tensile layer is arranged outside the inner tensile layer; the sheath layer is arranged outside the outer tensile layer. Not only can improve the tensile effect of strengthening the sheath, but also has better pressure-resistant effect.
Description
Technical Field
The invention relates to the technical field of electric tracing bands, in particular to a tear-resistant series-connection constant-power electric tracing band.
Background
The heat tracing means that heat provided by external pipelines or equipment is equivalent to heat loss of the pipelines or equipment to maintain the temperature operation of the pipelines or equipment, and the heat tracing effect is generally realized by installing an electric tracing band on the surface of a heated part at present. The series constant-power electric tracing band is a heating core wire which takes an insulated copper stranded wire as a power bus. The core wire with certain internal resistance can generate joule heat when passing through the current core wire, and the magnitude of the joule heat is in direct proportion to the square of the current, the resistance value of the core wire and the passing time. Therefore, the series constant-power electric tracing band continuously emits heat along with the continuation of the power-on time, and a continuous and uniform heating electric tracing band is formed. The core lines of the series electric tracing bands have the same current and equal resistance, so that the whole electric tracing band can uniformly heat from head to tail, the output power is constant and is not influenced by the environmental temperature and the pipeline temperature, and the series electric tracing band is particularly suitable for freezing prevention, condensation prevention and heat preservation of long-distance transmission pipelines, large-scale tanks, storage tanks and the like in the industries of petroleum, chemical engineering, electric power, wharfs and the like. The traditional series connection constant power electric tracing band has poor tear resistance, so that the situation of fracture is easy to occur during pulling installation.
Disclosure of Invention
The invention aims to provide a tear-resistant series-connection constant-power electric tracing band to overcome the defects in the prior art.
The technical scheme is as follows: a tear-resistant series-connection constant-power electric tracing band comprises a heating core wire, an insulating sheath, an outer insulating layer, a tinned copper wire braided sheath, a rubber fixing layer, an inner tensile layer, an outer tensile layer and a sheath layer; the heating core wires are provided with three groups; the three groups of insulating sheaths are arranged outside the three groups of heating core wires respectively; the three groups of insulating sheaths are uniformly arranged in the outer insulating layer; the tinned copper wire braided sheath is arranged outside the outer insulating layer; the rubber fixing layer is arranged outside the tinned copper wire braided sheath; the inner tensile layer is arranged outside the rubber fixing layer; the outer tensile layer is arranged outside the inner tensile layer; the sheath layer is arranged outside the outer tensile layer.
Further, the outer insulating layer comprises an outer insulating sheath, and aramid ropes are uniformly arranged in the outer insulating sheath.
Furthermore, four groups of aramid ropes are arranged and are uniformly distributed around the insulating sheath in the middle.
And furthermore, the three groups of insulating sheaths are all arranged in an outer insulating sheath, and the outside of the outer insulating sheath is connected with the tinned copper wire braided sheath.
Further, outer tensile layer is including setting up the outside outer tensile layer body in inner tensile layer, the even hoop in inside of outer tensile layer body is provided with the glass fiber rope.
Further, the restrictive coating is including strengthening the sheath, the even hoop of the inside of strengthening the sheath is provided with withstand voltage rubber elasticity rope.
Further, the reinforcing sheath is disposed outside the outer tensile layer body.
Has the advantages that: through arranging the aramid fiber rope in outer insulating sheath, can improve outer insulating sheath's tensile ability, the inside heart yearn that generates heat of protection, weave the interior tensile layer that forms and weave the outer tensile layer body that forms by the glass fiber silk through setting up by the aramid fiber silk, can effectively improve the anti effect of tearing of tensile of electric tracing area, set up withstand voltage rubber elasticity rope in strengthening the sheath, not only can improve the tensile effect of strengthening the sheath, and better withstand voltage effect has, can protect outer tensile layer body and interior tensile layer, through all setting up tensile structure in the interior china and abroad of electric tracing area, can greatly improve the anti effect of tearing of electric tracing area.
Drawings
FIG. 1 is a schematic view of the overall structure;
fig. 2 is a schematic cross-sectional view of the overall structure.
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.
Reference numerals: 100. a heat-generating core wire; 200. an insulating sheath; 300. an outer insulating layer; 301. an outer insulating sheath; 302. aramid fiber ropes; 400. weaving a sheath with a tinned copper wire; 500. a rubber fixing layer; 600. an inner tensile layer; 700. an outer tensile layer; 701. an outer tensile layer body; 702. a glass fiber rope; 800. a sheath layer; 801. reinforcing the sheath; 802. a pressure-resistant rubber elastic rope.
Referring to fig. 1 to 2, a tear-resistant series-connection constant-power electric tracing band includes a heating core wire 100, and three groups of heating core wires 100 are provided; the insulating sheath 200, the insulating sheath 200 is provided with three groups, and the three groups of insulating sheaths 200 are respectively arranged outside the three groups of heating core wires 100, the insulating sheath 200 is made of silicon rubber material; the three groups of insulating sheaths 200 are uniformly arranged in the outer insulating layer 300; the tinned copper wire braided sheath 400 is arranged outside the outer insulating layer 300, and the heat conduction and heat transfer effects are achieved; the rubber fixing layer 500 is arranged outside the tinned copper wire braided sheath 400, and the rubber fixing layer 500 is used for connecting the inner tensile layer 600; the inner tensile layer 600 is arranged outside the rubber fixing layer 500, and the inner tensile layer 600 is formed by weaving aramid fiber yarns and can improve the tensile and tear-resistant effects; an outer tensile layer 700, the outer tensile layer 700 being disposed outside the inner tensile layer 600; and a sheathing layer 800, the sheathing layer 800 being disposed outside the outer tensile layer 700.
As in fig. 1 to 2, the external insulation layer 300 includes an external insulation sheath 301, the external insulation sheath 301 is made of a silicon rubber material, the insulation effect can be improved, aramid fiber ropes 302 are uniformly arranged in the external insulation sheath 301, the aramid fiber ropes 302 are formed by twisting aramid fiber yarns, the tensile strength of the external insulation sheath 301 can be improved, the internal heating core wire 100 is protected, three groups of insulation sheaths 200 are all arranged in the external insulation sheath 301, and the external part of the external insulation sheath 301 is connected with the tinned copper wire braided sheath 400.
As shown in fig. 1 to 2, four sets of aramid ropes 302 are provided, and the four sets of aramid ropes 302 are uniformly distributed around the middle insulating sheath 200, so that the tensile and tear resistance effects are better.
As shown in fig. 1 to 2, the outer tensile layer 700 includes an outer tensile layer body 701 disposed outside the inner tensile layer 600, the outer tensile layer body 701 is woven by glass fiber yarns, a glass fiber rope 702 is disposed in the inner portion of the outer tensile layer body 701 in an even circumferential direction, and the tensile and tear-resistant effects of the electric tracing band can be further improved by the outer tensile layer body 701 and the glass fiber rope 702 filled in the inner portion.
As shown in fig. 1 to 2, the sheath layer 800 includes a reinforcing sheath 801, the reinforcing sheath 801 is disposed outside the outer tensile layer body 701, and the reinforcing sheath 801 is made of a fluorine-containing polyolefin material.
As shown in fig. 1 to 2, the pressure-resistant rubber elastic rope 802 is uniformly and annularly arranged inside the reinforcing sheath 801, so that the tensile effect of the reinforcing sheath 801 can be improved, a good pressure-resistant effect is achieved, and the outer tensile layer body 701 and the inner tensile layer 600 can be protected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A tear-resistant series-connection constant-power electric tracing band is characterized in that: the heat-insulating and heat-insulating composite material comprises a heating core wire (100), an insulating sheath (200), an outer insulating layer (300), a tinned copper wire braided sheath (400), a rubber fixing layer (500), an inner tensile layer (600), an outer tensile layer (700) and a sheath layer (800); three groups of heating core wires (100) are arranged; the three groups of insulating sheaths (200) are arranged, and the three groups of insulating sheaths (200) are respectively arranged outside the three groups of heating core wires (100); the three groups of insulating sheaths (200) are uniformly arranged in the outer insulating layer (300); the tinned copper wire braided sheath (400) is arranged outside the outer insulating layer (300); the rubber fixing layer (500) is arranged outside the tinned copper wire braided sheath (400); the inner tensile layer (600) is arranged outside the rubber fixing layer (500); the outer tensile layer (700) is disposed outside the inner tensile layer (600); the sheath layer (800) is arranged outside the outer tensile layer (700).
2. The tear-resistant series constant-power electric tracing band of claim 1, wherein: the outer insulating layer (300) comprises an outer insulating sheath (301), and aramid ropes (302) are uniformly arranged in the outer insulating sheath (301).
3. The tear-resistant series constant-power electric tracing band of claim 2, wherein: the aramid fiber ropes (302) are provided with four groups, and the four groups of aramid fiber ropes (302) are uniformly distributed around the insulating sheath (200) in the middle.
4. The tear-resistant series constant-power electric tracing band of claim 2, wherein: the three groups of insulating sheaths (200) are all arranged in an outer insulating sheath (301), and the outside of the outer insulating sheath (301) is connected with the tinned copper wire braided sheath (400).
5. The tear-resistant series constant-power electric tracing band of claim 1, wherein: the outer tensile layer (700) comprises an outer tensile layer body (701) arranged outside the inner tensile layer (600), and the glass fiber ropes (702) are uniformly and annularly arranged inside the outer tensile layer body (701).
6. The tear-resistant series constant power electric tracing band of claim 5, wherein: the sheath layer (800) comprises a reinforcing sheath (801), and a pressure-resistant rubber elastic rope (802) is uniformly arranged in the reinforcing sheath (801) in the circumferential direction.
7. The tear-resistant series constant power electric tracing band of claim 6, wherein: the reinforcing sheath (801) is arranged outside the outer tensile layer body (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643653.8A CN114360786A (en) | 2021-12-29 | 2021-12-29 | Tear-resistant series constant-power electric tracing band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643653.8A CN114360786A (en) | 2021-12-29 | 2021-12-29 | Tear-resistant series constant-power electric tracing band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114360786A true CN114360786A (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111643653.8A Pending CN114360786A (en) | 2021-12-29 | 2021-12-29 | Tear-resistant series constant-power electric tracing band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114360786A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212086523U (en) * | 2020-04-29 | 2020-12-04 | 安邦电气股份有限公司 | A series constant power electric heating cable |
| CN213303697U (en) * | 2020-11-23 | 2021-05-28 | 安徽远征电缆科技有限公司 | Polyolefin insulation polyurethane elastomer sheath flexible photoelectric composite cable |
| CN213303718U (en) * | 2020-11-19 | 2021-05-28 | 安徽远征电缆科技有限公司 | Military vehicle-mounted polytetrafluoroethylene insulation shielding cable |
| CN214796803U (en) * | 2021-06-10 | 2021-11-19 | 安徽新亚特电缆科技有限公司 | Butyronitrile compound insulation shielding removes flexible cable |
-
2021
- 2021-12-29 CN CN202111643653.8A patent/CN114360786A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212086523U (en) * | 2020-04-29 | 2020-12-04 | 安邦电气股份有限公司 | A series constant power electric heating cable |
| CN213303718U (en) * | 2020-11-19 | 2021-05-28 | 安徽远征电缆科技有限公司 | Military vehicle-mounted polytetrafluoroethylene insulation shielding cable |
| CN213303697U (en) * | 2020-11-23 | 2021-05-28 | 安徽远征电缆科技有限公司 | Polyolefin insulation polyurethane elastomer sheath flexible photoelectric composite cable |
| CN214796803U (en) * | 2021-06-10 | 2021-11-19 | 安徽新亚特电缆科技有限公司 | Butyronitrile compound insulation shielding removes flexible cable |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20220415 |