阅读说明：本技术 一种耐高温集肤效应伴热电缆 (High temperature resistant skin effect companion thermal cable ) 是由 李贻连 于 2021-07-19 设计创作，主要内容包括：本发明涉及伴热电联技术领域,具体公开了一种耐高温集肤效应伴热电缆,包括屏蔽层,所述屏蔽层内的左右侧均固定连接有形变隔热层,所述屏蔽层内下壁固定连接有第一导热层,所述第一导热层内部均匀分布有第一绝缘层,所述第一绝缘层内均固定连接有第一导电材料层,所述第一导电材料层内均均匀分布有第一芯线,所述屏蔽层内上壁固定连接有第二导热层,所述第二导热层内均匀分布有第二绝缘层,所述第二绝缘层内均固定连接有第二导电材料层,所述第二导电材料层内均均匀分布有第二芯线。本发明采用多个伴热带,并采用两面可调节加热,实现加热的温度可控,并使热量始终只能单向传输,不会造成热量的损耗,值得大力推广。(The invention relates to the technical field of heat tracing and electric connection, and particularly discloses a high-temperature-resistant skin effect heat tracing cable which comprises a shielding layer, wherein the left side and the right side in the shielding layer are fixedly connected with a deformation heat insulation layer, the inner lower wall of the shielding layer is fixedly connected with a first heat conduction layer, first insulation layers are uniformly distributed in the first heat conduction layer, first conductive material layers are fixedly connected in the first insulation layers, first core wires are uniformly distributed in the first conductive material layers, the inner upper wall of the shielding layer is fixedly connected with a second heat conduction layer, second insulation layers are uniformly distributed in the second heat conduction layer, second conductive material layers are fixedly connected in the second insulation layers, and second core wires are uniformly distributed in the second conductive material layers. The invention adopts a plurality of heat tracing bands and adopts two-side adjustable heating, realizes controllable heating temperature, ensures that heat can be transmitted in one direction all the time, does not cause heat loss, and is worthy of great popularization.)

1. A high temperature resistant skin effect heat tracing cable, includes shielding layer (1), its characterized in that: the left side and the right side in the shielding layer (1) are both fixedly connected with a deformation heat-insulating layer (7), the inner middle part of the deformation heat insulation layer (7) is provided with a deformation metal strip (8), the inner lower wall of the shielding layer (1) is fixedly connected with a first heat conduction layer (9), first insulating layers (10) are uniformly distributed in the first heat conduction layer (9), a first conductive material layer (11) is fixedly connected in the first insulating layer (10), first cores (12) are uniformly distributed in the first conductive material layer (11), the inner upper wall of the shielding layer (1) is fixedly connected with a second heat conduction layer (13), second insulating layers (14) are uniformly distributed in the second heat conduction layer (13), a second conductive material layer (15) is fixedly connected in the second insulating layer (14), second core wires (16) are uniformly distributed in the second conductive material layer (15).

2. The high temperature resistant skin effect heat tracing cable of claim 1, wherein: the periphery of the shielding layer (1) is fixedly connected with a fireproof fiber layer (2).

3. The high temperature resistant skin effect heat tracing cable of claims 1-2, wherein: the periphery of the fireproof fiber layer (2) is fixedly connected with an anticorrosive layer (3).

4. The high temperature resistant skin effect heat tracing cable of claims 1-3, wherein: and a protective layer (4) is fixedly connected to the outside of the anticorrosive layer (3).

5. The high temperature resistant skin effect heat tracing cable of claims 1-4, wherein: the upper part of the periphery of the protective layer (4) is provided with a first decorative layer (5).

6. The high temperature resistant skin effect heat tracing cable of claim 4, wherein: and a second decorative layer (6) is arranged on the lower part of the periphery of the protective layer (4).

7. The high temperature resistant skin effect heat tracing cable of claim 1, wherein: the upper part of the first heat conduction layer (9) is fixedly connected with a first heat radiation reflection layer (20).

8. The high temperature resistant skin effect heat tracing cable of claim 7, wherein: the upper part of the first heat radiation reflecting layer (20) is fixedly connected with a first heat insulation layer (19).

9. The high temperature resistant skin effect heat tracing cable of claim 1, wherein: and a second heat radiation reflecting layer (17) is fixedly connected to the lower part of the second heat conducting layer (13).

10. The high temperature resistant skin effect heat tracing cable of claim 9, wherein: the lower part of the second heat radiation reflecting layer (17) is fixedly connected with a second heat insulation layer (18).

Technical Field

The invention relates to the technical field of heat tracing cables, in particular to a high-temperature-resistant skin effect heat tracing cable.

Background

The heat tracing is widely applied as an effective pipeline or oil pipe heat preservation and anti-freezing scheme, the working principle is that a certain amount of heat is radiated through a heat tracing medium, the loss of the heat tracing pipeline is supplemented through direct or indirect heat exchange to meet the normal working requirements of temperature rise, heat preservation or freezing prevention, the assumption that steam tracing is replaced by an electric tracing scheme is proposed in the 70 th century, the electric tracing technology is widely popularized in a plurality of industrial departments including the energy industry in the early 80 th 70 th century, the electric heat tracing is used to replace steam heat tracing comprehensively, the heat tracing cable is mainly used in places such as petroleum, chemical engineering, thermal power plants and the like where the liquid substances in pipelines or tanks need to be prevented from solidifying or the flowing speed is slow, the heat tracing pipe is mainly used for heat tracing of fire-fighting pipelines in the aspect of public facilities, and can be used for indoor heating and outdoor pipeline antifreezing in winter in the aspect of civil use. Chinese patent document CN203984705U discloses a heat tracing cable with skin effect, which is uniformly laid on the outer surface of an oil field oil pipeline, and comprises a core wire and an insulating layer coated on the outer surface of the core wire, wherein a magnetic steel pipe sheath for concentrating the current fed into the inner surface layer is coated on the outer periphery of the insulating layer, a filler layer is filled between the steel pipe sheath and the insulating layer, the heat tracing cable is welded or bound on the outer wall of the oil field oil pipeline, and a conductive loop joint is welded between the steel pipe sheath and the core wire at the tail end of the heat tracing cable, but under the condition of lower working environment, only a part of heat of the heat tracing cable can exchange heat with the heat traced pipeline during working, the other part of heat can exchange heat with air, the heat tracing effect is not good, and a single heat tracing band is adopted, the heat tracing temperature is not controllable.

Therefore, it is necessary to develop a high temperature resistant skin effect heat tracing cable for solving at least one of the above technical problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a high-temperature-resistant skin effect heat tracing cable.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high temperature resistant skin effect companion heat cable, includes the shielding layer, the equal fixedly connected with deformation insulating layer in the left and right sides in the shielding layer, the interior middle part of deformation insulating layer all is provided with the deformation metal strip, the first heat-conducting layer of lower wall fixedly connected with in the shielding layer, the inside evenly distributed of first heat-conducting layer has first insulating layer, the first conducting material layer of equal fixedly connected with in the first insulating layer, the equal evenly distributed in first conducting material layer has first heart yearn, the upper wall fixedly connected with second heat-conducting layer in the shielding layer, evenly distributed has the second insulating layer in the second heat-conducting layer, the equal fixedly connected with second conducting material layer in the second insulating layer, the equal evenly distributed in second conducting material layer has the second heart yearn.

Preferably, the periphery of the shielding layer is fixedly connected with a fireproof fiber layer.

Preferably, the periphery of the fireproof fiber layer is fixedly connected with an anticorrosive layer.

Preferably, the outer part of the anticorrosive layer is fixedly connected with a protective layer.

Preferably, a first decoration layer is disposed on an upper portion of an outer periphery of the protective layer.

Preferably, a second decorative layer is disposed on a lower portion of an outer periphery of the protective layer.

Preferably, a first heat radiation reflecting layer is fixedly connected to the upper part of the first heat conducting layer.

Preferably, a first heat insulation layer is fixedly connected to the upper portion of the first heat radiation reflection layer.

Preferably, a second heat radiation reflecting layer is fixedly connected to the lower portion of the second heat conducting layer.

Preferably, a second heat insulation layer is fixedly connected to the lower portion of the second heat radiation reflection layer.

The invention has the following beneficial effects:

1. in the invention, firstly, a plurality of heat tracing bands are adopted, and two sides can be regulated for heating, so that the heating temperature can be controlled.

2. In the invention, when the heat tracing band in the first heat conduction layer works, the generated heat is reflected by the first heat radiation reflection layer to transmit the heat to the pipeline or the boiler in a single direction, the first heat insulation layer blocks the heat of the heat tracing band in the first heat conduction layer, and similarly, when the heat tracing band in the second heat conduction layer works, the generated heat is reflected by the second heat radiation reflection layer to transmit the heat to the pipeline or the boiler in a single direction, and the second heat insulation layer blocks the heat of the heat tracing band in the second heat conduction layer to ensure that the heat can be transmitted only in a single direction all the time, thereby being worthy of great popularization.

Drawings

FIG. 1 is a perspective view of a high temperature resistant skin effect heat tracing cable according to the present invention;

FIG. 2 is a front cross-sectional view of a high temperature resistant skin effect heat tracing cable according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a side view of a high temperature resistant skin effect heat trace cable according to the present invention.

Illustration of the drawings:

1. a shielding layer; 2. a fire-resistant fiber layer; 3. an anticorrosive layer; 4. a protective layer; 5. a first decorative layer; 6. a second decorative layer; 7. a deformation heat insulation layer; 8. deforming the metal strip; 9. a first thermally conductive layer; 10. a first insulating layer; 11. a first layer of conductive material; 12. a first core wire; 13. a second thermally conductive layer; 14. a second insulating layer; 15. a second layer of conductive material; 16. a second core wire; 17. a second heat radiation reflective layer; 18. a second thermal insulation layer; 19. a first insulating layer; 20. a first heat radiation reflecting layer.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-4, the invention provides a high temperature resistant skin effect heat tracing cable, comprising a shielding layer 1, wherein the left side and the right side in the shielding layer 1 are fixedly connected with a deformation heat insulation layer 7, the deformation heat insulation layer 7 prevents heat radiation from overflowing from two sides of the cable, the inner middle part of the deformation heat insulation layer 7 is provided with a deformation metal strip 8, the deformation metal strip 8 can enable the cable to be tightly attached to a pipeline and the outer wall of a boiler, the inner lower wall of the shielding layer 1 is fixedly connected with a first heat conduction layer 9, a first insulation layer 10 is uniformly distributed in the first heat conduction layer 9 for insulation, a first conductive material layer 11 is fixedly connected in the first insulation layer 10, first core wires 12 are uniformly distributed in the first conductive material layer 11, the inner upper wall of the shielding layer 1 is fixedly connected with a second heat conduction layer 13, a second insulation layer 14 is uniformly distributed in the second heat conduction layer 13 for insulation, a second conductive material layer 15 is fixedly connected in the second insulation layer 14, the second core wires 16 are uniformly distributed in the second conductive material layer 15, when the heat tracing cable is used, the heating temperature of a pipeline or a boiler is determined, the heat tracing cable is correspondingly wound on the pipeline or the boiler, the first core wires 12 or the second core wires 16 are correspondingly connected with a power supply, the skin effect is generated by electrifying the first conductive material layer 11 or the second conductive material layer 15, heat is generated, the heat is transmitted out of the cable through the first heat conduction layer 9 or the second heat conduction layer 13, the pipeline or the boiler is heated, a plurality of heat tracing bands are adopted, two-side adjustable heating is adopted, and the temperature control of heating is realized.

Example two:

referring to fig. 1-4, in this embodiment: periphery fixedly connected with fire prevention fibrous layer 2 of shielding layer 1, fire prevention fibrous layer 2 on the shielding layer 1 plays fire-resistant effect, fire prevention fibrous layer 2's periphery fixedly connected with anticorrosive coating 3, anticorrosive coating 3 prevents to have corrosive material contact cable and inside the corruption cable, anticorrosive coating 3's outside fixedly connected with protective layer 4, protective layer 4 protection cable surface prevents the scratch, protective layer 4's periphery upper portion is provided with first decorative layer 5, protective layer 4's periphery lower part is provided with second decorative layer 6, two decorative layers adopt different colours, discern more easily in the time of easy to assemble.

Example three:

referring to fig. 1-2, in the present embodiment: a first heat radiation reflecting layer 20 is fixedly connected to the upper part of the first heat conducting layer 9, a first heat insulating layer 19 is fixedly connected to the upper part of the first heat radiation reflecting layer 20, when the heat tracing band in the first heat conduction layer 9 works, the generated heat is reflected by the first heat radiation reflection layer 20, so that the heat is transmitted to the pipeline or the boiler in a single direction, the first heat insulation layer 19 blocks the heat tracing band in the first heat conduction layer 9, the lower part of the second heat conduction layer 13 is fixedly connected with a second heat radiation reflection layer 17, the lower part of the second heat radiation reflection layer 17 is fixedly connected with a second heat insulation layer 18, when the heat tracing band in the second heat conduction layer 13 works, the generated heat is reflected by the second heat radiation reflection layer 17, so that the heat is transmitted to the pipeline or the boiler in a single direction, the second heat insulation layer 18 insulates the heat of the heat tracing band in the second heat conduction layer 13, so that the heat can be transmitted only in one direction all the time without loss of heat.

The working principle is as follows: firstly, when the heat tracing cable is used, the heating temperature of a pipeline or a boiler is determined, the heat tracing cable is correspondingly wound on the pipeline or the boiler, the first core wire 12 or the second core wire 16 is correspondingly connected with a power supply, the first conductive material layer 11 or the second conductive material layer 15 is electrified to generate skin effect, so that heat is generated, the heat is transmitted out of the cable through the first heat conduction layer 9 or the second heat conduction layer 13, so that the pipeline or the boiler is heated, a plurality of heat tracing bands are adopted, two-side adjustable heating is adopted, the heating temperature is controllable, the deformation heat insulation layer 7 prevents heat radiation from overflowing from two sides of the cable, the first decoration layer 5 and the second decoration layer 6 are different in color and convenient to identify, the protection layer 4 protects the surface of the cable from being scratched, the anticorrosion layer 3 prevents corrosive materials from contacting the cable to corrode the inside of the cable, the fireproof fiber layer 2 on the shielding layer 1 plays a fireproof role, the first insulating layer 10 and the second insulating layer 14 both play an insulating role, the deformed metal strip 8 can enable the cable to be attached to the outer wall of a pipeline and a boiler more closely, when the heat tracing band in the first heat conduction layer 9 works, the generated heat reflects the heat through the first heat radiation reflecting layer 20, the heat is transmitted to the pipeline or the boiler in a single direction, the first heat insulation layer 19 insulates the heat tracing band in the first heat conduction layer 9, and similarly, when the heat tracing band in the second heat conduction layer 13 works, the generated heat reflects the heat through the second heat radiation reflecting layer 17, the heat is transmitted to the pipeline or the boiler in a single direction, the second heat insulation layer 18 insulates the heat tracing band in the second heat conduction layer 13, the heat can be transmitted only in a single direction all the time, heat loss cannot be caused, and the cable is worth popularizing.

Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.