CN216555931U - Intelligent natural gas pipeline heat tracing belt device - Google Patents
Intelligent natural gas pipeline heat tracing belt device Download PDFInfo
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- CN216555931U CN216555931U CN202122784571.7U CN202122784571U CN216555931U CN 216555931 U CN216555931 U CN 216555931U CN 202122784571 U CN202122784571 U CN 202122784571U CN 216555931 U CN216555931 U CN 216555931U
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Abstract
The utility model discloses an intelligent natural gas pipeline heat tracing belt device, which relates to the technical field of natural gas pipeline heating, and adopts the technical scheme that the intelligent natural gas pipeline heat tracing belt device comprises a plurality of heating devices, wherein the plurality of heating devices are arranged outside a natural gas pipeline along the length direction of the natural gas pipeline; and an electric wire passing through the plurality of heating devices along a length direction of the natural gas pipeline; the heating device comprises an electric tracing band which is wound outside the natural gas pipeline; the heat insulation layer is coated on the outer side of the electric tracing band, and the electric wire penetrates through the heat insulation layer; a relay connected with the electric tracing band and the electric wire and used for controlling the electrification and the outage of the electric tracing band; the controller is connected with the relay and is used for controlling the on-off of the relay; and a temperature sensor; the power-on and power-off of the electric tracing band are controlled according to the temperature detected by the temperature sensor, so that the electric tracing band does not need to be started all the time, and the waste of resources is reduced.
Description
Technical Field
The utility model relates to the technical field of natural gas pipeline heating, in particular to an intelligent natural gas pipeline heat tracing belt device.
Background
In the process of natural gas transmission in the pipeline, when the outside temperature is lower, natural gas can form natural gas hydrate in the pipeline, and natural gas hydrate can reduce the flow area of natural gas in the pipeline to cause the pipeline to block up.
In the prior art, a pipeline is mostly heated through a pipeline heat tracing belt device, the pipeline heat tracing belt device comprises a power supply and an electric heat tracing belt, the electric heat tracing belt is in a long-strip-shaped belt shape, and the electric heat tracing belt is wound on the outer wall of the pipeline and is continuously heated after being connected with the power supply to heat the pipeline.
However, the conventional pipeline heat tracing belt device cannot monitor the temperature in the pipeline, and the electric heat tracing belt needs to be continuously opened under the condition that the pipeline is possibly frozen and blocked at a low temperature, so that resource waste is caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an intelligent natural gas pipeline heat tracing belt device, which controls the electrification and the outage of an electric tracing belt according to the temperature detected by a temperature sensor, so that the electric tracing belt does not need to be started all the time, and the waste of resources is reduced.
In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent natural gas pipeline heat tracing band device comprises a plurality of heating devices, wherein the plurality of heating devices are arranged outside a natural gas pipeline along the length direction of the natural gas pipeline;
and an electric wire passing through the plurality of heating devices along a length direction of the natural gas pipeline;
the heating device comprises an electric tracing band which is wound outside the natural gas pipeline;
the heat insulation layer is coated on the outer side of the electric tracing band, and the electric wire penetrates through the heat insulation layer;
a relay connected with the electric tracing band and the electric wire and used for controlling the electrification and the outage of the electric tracing band;
and the temperature sensor is used for detecting the temperature of the natural gas in the natural gas pipeline and is connected with the relay, when the detected temperature is lower than the preset temperature, the relay is electrified for the electric tracing band, and when the detected temperature is higher than the preset temperature, the relay is powered off for the electric tracing band.
By adopting the technical scheme, when the temperature sensor detects that the temperature of the natural gas in the natural gas pipeline is higher than the preset temperature, the relay is powered off for the electric tracing band, and when the temperature sensor detects that the temperature of the natural gas in the natural gas pipeline is lower than the preset temperature, the relay is powered on for the electric tracing band, so that the natural gas pipeline is heated through the electric tracing band, and the temperature of the natural gas is increased; the power-on and power-off of the electric tracing band are controlled according to the temperature detected by the temperature sensor, so that the electric tracing band does not need to be started all the time, and the waste of resources is reduced.
The utility model is further configured to: the length of the natural gas pipeline covered by each heating device is 10m-15 m.
The utility model is further configured to: the temperature sensor is arranged in the heat preservation layer, and the temperature sensing end of the temperature sensor is arranged on one side, close to the natural gas pipeline, of the heat preservation layer.
Through adopting above-mentioned technical scheme, the heat preservation can prevent the influence of the temperature in the heat preservation outside to the temperature that the sensor detected.
The utility model is further configured to: and the temperature sensing end of the temperature sensor penetrates through the wall of the natural gas pipeline and extends into the natural gas pipeline.
The utility model is further configured to: the holding tank that runs through the heat preservation along natural gas line length direction is seted up in the outside of heat preservation, and the electric wire is embedded into in the middle of the holding tank.
The utility model is further configured to: the heating device further comprises an insulating layer, and the insulating layer is wrapped on the outer side of the insulating layer.
The utility model is further configured to: the temperature sensor is arranged in the middle of the heating device in the length direction of the natural gas pipeline.
In summary, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the electrification and the outage of the electric tracing band are controlled according to the temperature detected by the temperature sensor, so that the electric tracing band does not need to be started all the time, and the waste of resources is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of an embodiment embodying an electric tracing band.
In the figure: 1. a natural gas pipeline; 2. a heating device; 21. an electric tracing band; 22. a heat-insulating layer; 221. accommodating grooves; 23. an insulating layer; 24. a temperature sensor; 3. an electric wire.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The utility model is further described with reference to the drawings and the preferred embodiments.
Example (b): an intelligent natural gas pipeline heat tracing band device, referring to the attached drawings 1, 2 and 3, comprises a plurality of heating devices 2 arranged outside a natural gas pipeline 1 along the length direction of the natural gas pipeline 1 and electric wires 3 arranged along the length direction of the natural gas pipeline 1; specifically, the heating device 2 comprises an electric tracing band 21 wound on the outer side of the natural gas pipeline 1, an insulating layer 22 coated on the outer side of the electric tracing band 21, a relay connected with the electric tracing band 21 and the electric wire 3, and a temperature sensor 24 for detecting the temperature of natural gas in the natural gas pipeline 1; the temperature sensor 24 transmits a detected temperature signal to the controller, and the relay is configured to disconnect the electric wire 3 from the electric trace band 21 when the temperature detected by the temperature sensor 24 is greater than a preset temperature value, so that the electric trace band 21 is de-energized, and to connect the electric wire 3 to the electric trace band 21 when the temperature detected by the temperature sensor 24 is less than the preset temperature value, so that the electric trace band 21 is energized.
The power on and off of the electric tracing band 21 is controlled according to the temperature detected by the temperature sensor 24, so that the electric tracing band 21 does not need to be turned on all the time, and the waste of resources is reduced.
Specifically, the length of the natural gas pipeline 1 covered by each heating device 2 is set to be 10m-15m, the natural gas pipeline 1 is too long in overall length, the temperature of the natural gas in the natural gas pipeline 1 at different positions is greatly different, and the natural gas pipeline 1 with the length of 10m-15m is covered by each heating device 2, so that the natural gas in the natural gas pipeline 1 at different positions can be independently heated, and when the temperature of the natural gas at a certain position is lower than a preset temperature value, all the natural gas pipelines 1 are integrally heated, and the consumption of resources is further reduced.
Specifically, the temperature sensor 24 is arranged in the heat insulation layer 22, and the temperature sensing end of the temperature sensor 24 is located at one side of the heat insulation layer 22 close to the natural gas pipeline 1; the temperature of the external environment can be prevented from influencing the temperature detected by the temperature sensing end of the temperature sensor 24 by the heat preservation effect of the heat preservation layer 22; specifically, the temperature sensing end of the temperature sensor 24 penetrates through the pipe wall of the natural gas pipeline 1 and extends into the natural gas pipeline 1, and the temperature sensing end of the temperature sensor 24 extends into the natural gas pipeline 1, so that the temperature sensing end is directly contacted with natural gas, and the temperature detection accuracy of the temperature sensor 24 is further improved.
Specifically, the outer side of the insulating layer 22 is provided with a receiving groove 221 penetrating through the insulating layer 22 along the length direction of the natural gas pipeline 1, and the electric wire 3 is embedded into the receiving groove 221.
Specifically, the heating device 2 further includes an insulating layer 23 covering the outer side of the insulating layer 22, and the insulating layer 23 is arranged to prevent the electric leakage of the electric wire 3.
Specifically, the temperature sensor 24 is arranged at the middle position in the length direction of the natural gas pipeline 1 covered by the heating device 2, and the temperature measured by the temperature sensor 24 is arranged at the middle position, so that the temperature of the natural gas in the section of the natural gas pipeline 1 can be represented more accurately.
In some embodiments, an explosion-proof junction box is arranged outside the relay, and an explosion-proof and radiation-proof layer is coated outside the electric wire 3.
The working principle of the intelligent natural gas pipeline heat tracing belt device when in use is as follows: when the temperature sensor 24 detects that the temperature of the natural gas in the natural gas pipeline 1 is higher than the preset temperature, the relay cuts off the power of the electric tracing band 21, and when the temperature sensor 24 detects that the temperature of the natural gas in the natural gas pipeline 1 is lower than the preset temperature, the relay switches on the electric tracing band 21, so that the natural gas pipeline 1 is heated through the electric tracing band 21, and the temperature of the natural gas is increased; the power on and off of the electric tracing band 21 is controlled according to the temperature detected by the temperature sensor 24, so that the electric tracing band 21 does not need to be turned on all the time, and the waste of resources is reduced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. An intelligent natural gas pipeline heat tracing belt device is characterized in that: the natural gas pipeline heating device comprises a plurality of heating devices (2), wherein the plurality of heating devices (2) are arranged outside the natural gas pipeline (1) along the length direction of the natural gas pipeline (1);
and an electric wire (3) passing through the plurality of heating devices (2) along the length direction of the natural gas pipeline (1);
the heating device (2) comprises an electric tracing band (21) wound outside the natural gas pipeline (1);
the heat insulation layer (22) covers the outer side of the electric tracing band (21), and the electric wire (3) penetrates through the heat insulation layer (22);
a relay connected to the electric tracing band (21) and the electric wire (3) for controlling the energization and the de-energization of the electric tracing band (21);
and a temperature sensor (24) for detecting the temperature of the natural gas in the natural gas pipeline (1), which is connected with the relay, wherein when the detected temperature is lower than a preset temperature, the relay energizes the electric tracing band (21), and when the detected temperature is higher than the preset temperature, the relay deenergizes the electric tracing band (21).
2. The intelligent natural gas pipeline heat tracing belt device of claim 1, wherein: each heating device (2) covers a natural gas pipeline (1) with a length of 10m-15 m.
3. The intelligent natural gas pipeline heat tracing belt device of claim 1, wherein: the temperature sensor (24) is arranged in the heat-insulating layer (22).
4. The intelligent natural gas pipeline heat tracing belt device of claim 3, wherein: the temperature sensing end of the temperature sensor (24) penetrates through the wall of the natural gas pipeline (1) and extends into the natural gas pipeline (1).
5. The intelligent natural gas pipeline heat tracing belt device of claim 4, wherein: the outer side of the heat-insulating layer (22) is provided with a containing groove (221) which penetrates through the heat-insulating layer (22) along the length direction of the natural gas pipeline (1), and the electric wire (3) is embedded into the containing groove (221).
6. The intelligent natural gas pipeline heat tracing belt device of claim 5, wherein: the heating device (2) further comprises an insulating layer (23), and the insulating layer (23) is coated on the outer side of the heat-insulating layer (22).
7. The intelligent natural gas pipeline heat tracing belt device of claim 6, wherein: the temperature sensor (24) is arranged at the middle position of the natural gas pipeline (1) covered by the heating device (2) in the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784571.7U CN216555931U (en) | 2021-11-15 | 2021-11-15 | Intelligent natural gas pipeline heat tracing belt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784571.7U CN216555931U (en) | 2021-11-15 | 2021-11-15 | Intelligent natural gas pipeline heat tracing belt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216555931U true CN216555931U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122784571.7U Active CN216555931U (en) | 2021-11-15 | 2021-11-15 | Intelligent natural gas pipeline heat tracing belt device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216555931U (en) |
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2021
- 2021-11-15 CN CN202122784571.7U patent/CN216555931U/en active Active
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