CN221374924U - Pipeline electric tracing heating device - Google Patents
Pipeline electric tracing heating device Download PDFInfo
- Publication number
- CN221374924U CN221374924U CN202323004210.1U CN202323004210U CN221374924U CN 221374924 U CN221374924 U CN 221374924U CN 202323004210 U CN202323004210 U CN 202323004210U CN 221374924 U CN221374924 U CN 221374924U
- Authority
- CN
- China
- Prior art keywords
- insulating sleeve
- electric tracing
- steel pipe
- temperature sensing
- heat conducting
- 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.)
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 239000013307 optical fiber Substances 0.000 claims abstract description 4
- 229920001940 conductive polymer Polymers 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a pipeline electric tracing heating device, which comprises: the electric tracing band comprises an electric tracing band base body, a heat conducting steel pipe and a temperature sensing element, wherein a first insulating sleeve is arranged on the surface of the electric tracing band base body, clamping grooves corresponding to the heat conducting steel pipe are concavely formed in one side or two sides of the first insulating sleeve, the heat conducting steel pipe is arranged in the clamping grooves and extends along the length direction of the first insulating sleeve, the temperature sensing element is arranged in the heat conducting steel pipe, and the temperature sensing element comprises at least one distributed temperature sensing optical fiber. The pipeline electric tracing heating device is convenient to assemble, improves the heat conduction effect, and is convenient to detect the temperature and the bonding degree of the electric tracing band and the outer side surface of the pipeline according to the temperature distribution condition.
Description
Technical Field
The utility model relates to the technical field of pipeline heating, in particular to a pipeline electric tracing heating device.
Background
In order to realize the heating to the pipeline, can adopt electric tracing band base, with electric tracing band spiral winding or parallel laminating at the lateral surface of pipeline, carry out the heating of pipeline after electric tracing band one end circular telegram, construction is convenient, uses more generally.
In the construction process of the electric tracing band, in order to ensure heat conduction efficiency and heating uniformity, uniformity of bonding of the electric tracing band and the outer side surface of the pipeline needs to be ensured, the electric tracing band is often as long as tens of meters, and if the electric tracing band is not partially bonded with the outer side surface of the pipeline, heating is uneven, and temperature control is not facilitated. In addition, the surface of the electric tracing band is usually an insulating sleeve, so that the heat conduction effect is poor, and improvement is also needed.
Disclosure of utility model
The utility model aims to provide a pipeline electric tracing heating device, which improves the heat conduction effect and is convenient for temperature detection and detection of the fitting degree of an electric tracing band and the outer side surface of a pipeline.
To achieve the purpose, the utility model adopts the following technical scheme:
A pipeline electric tracing heating device, comprising: the electric tracing band comprises an electric tracing band base body, a heat conducting steel pipe and a temperature sensing element, wherein a first insulating sleeve is arranged on the surface of the electric tracing band base body, clamping grooves corresponding to the heat conducting steel pipe are concavely formed in one side or two sides of the first insulating sleeve, the heat conducting steel pipe is arranged in the clamping grooves and extends along the length direction of the first insulating sleeve, the temperature sensing element is arranged in the heat conducting steel pipe, and the temperature sensing element comprises at least one distributed temperature sensing optical fiber.
Wherein, the draw-in groove adopts the dovetail structure.
And the heat conducting steel pipe is filled with heat conducting glue for wrapping the temperature sensing element.
The electric tracing band base body further comprises a conductive polymer layer, a shielding layer, a second insulating sleeve and two wires, wherein the two wires are arranged in the conductive polymer layer in parallel, the second insulating sleeve is arranged outside the conductive polymer layer, and the shielding layer is sleeved on the surface of the second insulating sleeve.
The first insulating sleeve is arranged outside the shielding layer, and the first insulating sleeve and the second insulating sleeve respectively adopt flame-retardant polyolefin sleeves.
Wherein the conductive polymer layer adopts flame retardant PTC.
The utility model has the beneficial effects that: the utility model provides a pipeline electric tracing heating device, the specially designed heat conduction steel pipe, can fill in the draw-in groove of first insulating sleeve side, the equipment is convenient, the heat conduction effect has been promoted, electric tracing band base body spiral winding or parallel lay behind the pipeline surface, utilize heat conduction steel pipe and pipeline contact, can more quick the transfer of heat of electric tracing band base body for the pipeline, and carry out temperature detection through the temperature sensing element in the heat conduction steel pipe, the control of electric tracing band base body is convenient, can also realize the detection of electric tracing band and pipeline lateral surface laminating degree through heat conduction steel pipe temperature distribution's homogeneity, then the electric tracing band base body that represents corresponding position when local temperature is higher does not laminate with the pipeline surface, can not give the pipeline with the effective transfer of heat, the convenience is maintained in time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is a schematic structural view of the electric tracing band base body in fig. 1.
Detailed Description
The technical solution of the present utility model will be further described with reference to fig. 1 to 2 by means of specific embodiments.
The pipeline electric tracing heating device shown in fig. 1 comprises: the electric tracing band comprises an electric tracing band base body 1, a heat conducting steel pipe 2 and a temperature sensing element 3, wherein a first insulating sleeve 11 is arranged on the surface of the electric tracing band base body 1 for insulation protection.
The heat conduction steel pipe 2 is arranged in the clamping groove 12 and extends along the length direction of the first insulating sleeve 11, the heat conduction steel pipe 2 adopts stainless steel tubules, the heat conduction effect is improved, the electric tracing band base body 1 is spirally wound or parallelly paved on the surface of a pipeline, and the heat conduction steel pipe 2 is in contact with the pipeline, so that the heat of the electric tracing band base body can be transferred to the pipeline more quickly.
As shown in fig. 2, the clamping groove 12 adopts a dovetail groove structure, has a small opening, is convenient to squeeze and limit the heat-conducting steel pipe 2, is convenient to assemble, can quickly disassemble the heat-conducting steel pipe 2, and can recycle the heat-conducting steel pipe 2.
The temperature sensing element 3 is disposed in the heat conducting steel pipe 2, and in this embodiment, the temperature sensing element 3 includes at least one distributed temperature sensing optical fiber, so as to perform temperature detection of the heat conducting steel pipe 2, thereby being beneficial to control of the electric tracing band base body 1. The heat conduction steel pipe 2 is filled with heat conduction glue wrapping the temperature sensing element 3, so that the heat conduction effect is improved, and the working stability of the temperature sensing element 3 is improved.
Detection of the fitting degree of the electric tracing band 1 and the outer side face of the pipeline is achieved through uniformity of temperature distribution of the heat conducting steel pipe 2, when the local temperature of the heat conducting steel pipe 2 is high, the electric tracing band base body 1 which indicates the corresponding position is not fitted with the surface of the pipeline, heat cannot be effectively transferred to the pipeline, and timely maintenance is convenient.
In this embodiment, the electric tracing band base 1 further includes a conductive polymer layer 14, a shielding layer 16, a second insulating sleeve 15, and two wires 13, where the two wires 13 are disposed in parallel in the conductive polymer layer 14, and the wires 13 are energized and heated.
As shown in fig. 2, the conductive polymer layer 14 adopts flame retardant PTC, which has a very high positive temperature coefficient, can adjust output power according to the temperature change of the heated system, limit heating temperature, and has high safety.
The second insulating sheath 15 is disposed outside the conductive polymer layer 14 for insulation protection. The shielding layer 16 is sleeved on the surface of the second insulating sleeve 15, and in this embodiment, the shielding layer 16 may be woven by using metal wires, so as to wrap the second insulating sleeve 15, and perform explosion protection and shielding. The first insulating sheath 11 is disposed outside the shielding layer 16, and protects the shielding layer 16. In this embodiment, the first insulating sleeve 11 and the second insulating sleeve 15 respectively use a flame retardant polyolefin sleeve, so as to improve the flame retardant effect.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (6)
1. A pipeline electric tracing heating device, characterized by comprising: the electric tracing band comprises an electric tracing band base body, a heat conducting steel pipe and a temperature sensing element, wherein a first insulating sleeve is arranged on the surface of the electric tracing band base body, clamping grooves corresponding to the heat conducting steel pipe are concavely formed in one side or two sides of the first insulating sleeve, the heat conducting steel pipe is arranged in the clamping grooves and extends along the length direction of the first insulating sleeve, the temperature sensing element is arranged in the heat conducting steel pipe, and the temperature sensing element comprises at least one distributed temperature sensing optical fiber.
2. The electrical heat tracing heating apparatus of claim 1, wherein said clamping groove adopts a dovetail groove structure.
3. The electrical trace heating apparatus according to claim 1, wherein the thermally conductive steel pipe is filled with a thermally conductive gel that encapsulates the temperature sensing element.
4. The electrical trace heating apparatus for a pipeline according to claim 1, wherein the electrical trace strip base further comprises a conductive polymer layer, a shielding layer, a second insulating sleeve, and two wires, wherein the two wires are arranged in parallel in the conductive polymer layer, the second insulating sleeve is arranged outside the conductive polymer layer, and the shielding layer is sleeved on the surface of the second insulating sleeve.
5. The electrical trace heating apparatus according to claim 4, wherein the first insulating sleeve is disposed outside the shielding layer, and wherein the first insulating sleeve and the second insulating sleeve are each a flame retardant polyolefin sleeve.
6. The electrical trace heating apparatus according to claim 4, wherein the electrically conductive polymer layer is a flame retardant PTC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323004210.1U CN221374924U (en) | 2023-11-08 | 2023-11-08 | Pipeline electric tracing heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323004210.1U CN221374924U (en) | 2023-11-08 | 2023-11-08 | Pipeline electric tracing heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221374924U true CN221374924U (en) | 2024-07-19 |
Family
ID=91890361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323004210.1U Active CN221374924U (en) | 2023-11-08 | 2023-11-08 | Pipeline electric tracing heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221374924U (en) |
-
2023
- 2023-11-08 CN CN202323004210.1U patent/CN221374924U/en active Active
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