CN211203271U - Pipeline heat tracing device - Google Patents
Pipeline heat tracing device Download PDFInfo
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- CN211203271U CN211203271U CN201921625459.5U CN201921625459U CN211203271U CN 211203271 U CN211203271 U CN 211203271U CN 201921625459 U CN201921625459 U CN 201921625459U CN 211203271 U CN211203271 U CN 211203271U
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- heat tracing
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Abstract
The utility model discloses a pipeline companion's heat facility belongs to the oil gas equipment field. The pipe heat tracing device comprises: the electric tracing band, the control component and the temperature sensor; the power supply input end of the electric tracing band is connected with the control assembly, the control assembly comprises a temperature controller and a signal transmitter, the temperature controller is connected with the electric tracing band, one end of the signal transmitter is connected with the temperature controller, and the other end of the signal transmitter is connected with the temperature sensor; the temperature controller also comprises a relay, one end of the relay is connected with the power supply input end of the electric tracing band, the other end of the relay is configured to be connected with the power supply assembly, the relay is configured to disconnect the power supply assembly from the power supply input end when the temperature is higher than a preset temperature value, and connect the power supply assembly with the power supply input end when the temperature is lower than the preset temperature value; the temperature sensor is located on the outer wall of the pipeline. The problem of resource waste caused by continuously opening the electric tracing band in the related technology is solved, and the effect of saving resources is achieved.
Description
Technical Field
The utility model relates to an oil gas equipment field, in particular to pipeline companion's heat facility.
Background
In the process of transporting natural gas in the pipeline, when the external temperature is low, natural gas can form natural gas hydrate in the pipeline, and the natural gas hydrate can reduce the flow area of natural gas in the pipeline, thereby causing pipeline blockage.
In the related art, there is a pipeline heat tracing device including a power supply and an electric tracing band, the electric tracing band is in a shape of a long strip, and the electric tracing band is wound around an outer wall of the pipeline, and is connected to the power supply, and then continuously heated to heat the pipeline.
In the process of implementing the present invention, the inventor finds that the related art has at least the following problems: the pipeline heat tracing device cannot know the real-time temperature of the monitoring pipeline, and the electric tracing band needs to be continuously opened under the condition that the pipeline is possibly frozen and blocked at a low temperature, so that the resource waste is caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a pipeline heat tracing device can solve and can not real-time supervision pipeline temperature in the correlation technique, need continuously open the electric tracing area under the stifled condition probably takes place pipeline low temperature to freeze, causes the problem of wasting of resources. The technical scheme is as follows:
according to the utility model discloses a first aspect provides a pipeline companion's device, pipeline companion's device includes:
the electric tracing band, the control component and the temperature sensor;
the power supply input end of the electric tracing band is connected with the control assembly, and the electric tracing band is wound on the outer wall of the pipeline;
the control assembly comprises a temperature controller and a signal transmitter, the temperature controller is connected with the electric tracing band, one end of the signal transmitter is connected with the temperature controller, and the other end of the signal transmitter is connected with the temperature sensor;
the temperature controller further comprises a relay, one end of the relay is connected with a power supply input end of the electric tracing band, the other end of the relay is configured to be connected with a power supply assembly, the relay is configured to disconnect the power supply assembly from the power supply input end when the temperature measured by the temperature sensor is higher than a preset temperature value, and connect the power supply assembly to the power supply input end when the temperature measured by the temperature sensor is lower than a preset temperature value;
the temperature sensor is located on an outer wall of the pipeline.
Optionally, the temperature sensor includes a contact type photoelectric temperature measurement sensor.
Optionally, the signal transmitter includes a photoelectric converter, and the photoelectric converter is configured to convert the signal of the contact type photoelectric temperature measurement sensor and transmit the converted signal to the temperature controller.
Optionally, the temperature controller further includes a signal input terminal connected to the photoelectric converter, and the signal input terminal is configured to receive a signal transmitted by the photoelectric converter.
Optionally, the temperature sensor comprises a plurality of sub-temperature sensors, each sub-temperature sensor comprises a magnetic probe, and the magnetic probe is adsorbed on the outer wall of the pipeline.
Optionally, the magnetic probes of the plurality of sub-temperature sensors are respectively adsorbed at the inlet and the outlet and the corner of the pipeline.
Optionally, the relay is connected with the electric tracing band through a junction box.
Optionally, the control assembly further comprises an explosion-proof housing, and the temperature controller and the photoelectric converter are located in the explosion-proof housing.
Optionally, the pipe heat tracing is configured to heat the pipe in the skid gas line.
Optionally, the skid gas line is configured to provide power to the pipe heat trace.
The embodiment of the utility model provides a beneficial effect that technical scheme brought includes:
the method comprises the following steps that the current temperature of a pipeline is measured through a temperature sensor, the measured temperature is converted into a signal, a signal transmitter receives the signal and transmits the signal to a temperature controller, a relay in the temperature controller is connected with an electric tracing band and a power supply assembly, the relay judges according to a preset temperature value, when the temperature measured by the temperature sensor is larger than the preset temperature value, the connection between the power supply assembly and a power supply input end is disconnected, and the electric tracing band is automatically powered off; when the temperature measured by the temperature sensor is lower than the preset temperature value, the connection between the power supply assembly and the power supply input end is switched on, and the electric tracing band heats the pipeline after being electrified. The problem of resource waste caused by continuously opening the electric tracing band in the related technology is solved, and the effect of saving resources is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a pipeline heat tracing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another pipeline heat tracing device according to an embodiment of the present invention.
With the above figures, certain embodiments of the present invention have been shown and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
In the pipeline heat tracing device in the prior art, after the electric tracing band is wound on the outer wall of the pipeline, the electric tracing band is continuously supplied with power, so that the electric tracing band continuously heats the pipeline. However, after the pipeline is heated for a period of time, the temperature of the pipeline rises, the high temperature can avoid the freezing and blocking of natural gas in the pipeline for a subsequent period of time, and because the pipeline heat tracing device in the prior art cannot detect the temperature of the pipeline, the pipeline heat tracing device can only continuously supply power to the electric heat tracing band and cannot automatically cut off the power supply, so that the electric quantity required by the pipeline heat tracing is large, and the cost is high.
The embodiment of the utility model provides a pipeline companion's heat facility can solve this problem that appears in the correlation technique.
Fig. 1 is a schematic structural view of a pipeline heat tracing device according to an embodiment of the present invention. The pipe heat tracing apparatus 10 may include:
an electric tracing band 11, a control component 12 and a temperature sensor 13;
the power input end 111 of the electric trace band 11 is connected to the control unit 12, and the electric trace band 11 is wound around the outer wall of a pipeline (not shown).
The control assembly 12 includes a temperature controller 121 and a signal transmitter 122, the temperature controller 121 is connected to the electric tracing band 11, and one end of the signal transmitter 122 is connected to the temperature controller 121 and the other end is connected to the temperature sensor 13.
The temperature controller 121 further includes a relay 1211, one end of the relay 1211 is connected to the power input terminal 111 of the electric trace band 11, and the other end is configured to be connected to a power supply module (not shown), the relay 1211 is configured to disconnect the power supply module from the power input terminal 111 when the temperature measured by the temperature sensor 13 is greater than a preset temperature value, and to connect the power supply module to the power input terminal 111 when the temperature measured by the temperature sensor 13 is less than the preset temperature value.
The temperature sensor 13 is located on the outer wall of the pipe.
To sum up, the embodiment of the present invention provides a pipeline heat tracing device, which measures the current temperature of a pipeline through a temperature sensor, converts the measured temperature into a signal, a signal transmitter receives the signal and transmits the signal to a temperature controller, a relay in the temperature controller is connected with an electric tracing band and a power supply module, the relay judges according to a preset temperature value, when the temperature measured by the temperature sensor is greater than a preset temperature value, the connection between the power supply module and a power supply input end is disconnected, and the electric tracing band is automatically powered off; when the temperature measured by the temperature sensor is lower than the preset temperature value, the connection between the power supply assembly and the power supply input end is switched on, and the electric tracing band heats the pipeline after being electrified. The problem of resource waste caused by continuously opening the electric tracing band in the related technology is solved, and the effect of saving resources is achieved.
Referring to fig. 2, a schematic structural diagram of another pipeline heat tracing apparatus according to an embodiment of the present invention is shown, in which some components are added to the pipeline heat tracing apparatus shown in fig. 1.
Optionally, the temperature sensor includes a plurality of sub-temperature sensors, each sub-temperature sensor includes a magnetic probe 132, and the plurality of magnetic probes 132 are attached to the outer wall of the pipeline. The pipeline is divided into an underground part and an overground part, when the temperature is measured, the temperature of the underground pipeline also needs to be measured, and the magnetic probe 132 can be directly adsorbed on the pipeline according to the magnetism of the underground pipeline, so that the underground pipeline is convenient to assemble and disassemble. The loading and unloading of the magnetic probe 132 can be accomplished without the use of a large amount of manual labor for the underground piping. In practical applications, other types of temperature sensing probes may also be used, and the embodiments of the present invention are not limited herein.
Optionally, the magnetic probes 132 are respectively attached to the inlet and outlet of the pipeline and the corner. In the natural gas pipeline, because inside and outside difference in temperature, produce easily that natural gas hydrate and then block up being mostly the natural gas pipeline and importing and exporting and the corner of pipeline, consequently with a plurality of magnetic probe 132 set up respectively in the natural gas pipeline import and export and the corner of pipeline for each easily blocks up the real-time temperature of freezing the department in the measurement natural gas pipeline. The magnetic probe 132 may be disposed at other positions of the pipeline, and the embodiment of the present invention is not limited herein.
Optionally, the temperature sensor comprises a contact-type photoelectric thermometry sensor 131. A temperature sensor is a sensor that can convert temperature into a usable output signal. In this embodiment, the contact photoelectric temperature sensor 131 can be used for temperature detection and transmission, and the temperature sensing probe 1311 is used by the contact photoelectric temperature sensor 131 to extract a thermal radiation signal caused by temperature change. The contact type photoelectric temperature measurement sensor 131 has the advantages of high temperature resolution, fast response time, strong adaptability to harsh environment, capability of measuring temperature in electromagnetic environment, and difficulty in being influenced by the surface emissivity of the measured object and the intermediate medium. Other temperature sensors may also be used, and the embodiments of the present invention are not limited herein.
Optionally, the signal transmitter 122 includes an optical-to-electrical converter 1221, and the optical-to-electrical converter 1221 is configured to convert the signal of the contact-type optical-to-electrical thermometry sensor 131 and transmit the converted signal to the temperature controller 121. The signal transmitter 122 is used to transmit the measured temperature signal of the temperature sensor to the temperature controller 121. The optical-to-electrical converter 1221 can receive the optical signal, convert it into an electrical signal, and transmit the electrical signal. When the temperature sensor is the contact-type photoelectric temperature measuring sensor 131, the photoelectric converter 1221 may convert a temperature optical signal measured by the temperature sensor into an electrical signal and transmit the electrical signal to the temperature controller 121. When the temperature sensor is another type of sensor, the signal transmitter 122 may also be another type of signal transmitter, and the embodiment of the present invention is not limited herein.
Optionally, the temperature controller 121 further includes a signal input terminal 1212, the signal input terminal 1212 is connected to the optical-to-electrical converter 1221, and the signal input terminal 1212 is configured to receive a signal transmitted by the optical-to-electrical converter 1221. The signal input terminal 1212 receives the electrical signal converted by the photoelectric converter 1221 and transmits the signal to the relay 1211 in the temperature controller 121.
Optionally, the relay 1211 is connected to the electric trace strip 11 via a terminal box 14. The relay 1211 is configured to disconnect the power supply module from the power input terminal 111 when the temperature measured by the temperature sensor is greater than a preset temperature value, and to connect the power supply module to the power input terminal 111 when the temperature measured by the temperature sensor is less than the preset temperature value. The relay 1211 is an electronic control device, and is an automatic switch that turns on or off an output circuit to be controlled when an input quantity (e.g., voltage, current, temperature, etc.) reaches a prescribed value. A temperature value may be set in advance, and when the relay 1211 detects that the electric signal received at the signal input terminal 1212 is greater than the preset temperature value, the relay disconnects the power supply module from the power supply input terminal, stops supplying power to the electric trace strip 11 connected to the relay 1211, and stops heating the electric trace strip 11. When the relay 1211 detects that the electric signal received by the signal input end 1212 is smaller than a preset temperature value, the relay turns on the connection between the power supply module and the power supply input end, starts to supply power to the electric tracing band 11, and the electric tracing band 11 starts to heat. Wherein, the temperature value that sets up in advance can be selected according to the experience, or set for a temperature value after judging according to weather conditions at present, the embodiment of the utility model provides a do not do the injecing here.
One end of the relay 1211 is connected to the power input end 111 of the electric trace band 11, and the other end is configured to be connected to a power supply module to control the power on/off of the electric trace band, the relay 1211 is located in the temperature controller 121 and can be connected to the power input end 111 of the electric trace band 11 through the junction box 14 when being connected to the power input end 111, so that the installation and the removal are convenient, and the electric trace band 11 is spaced from the temperature controller 121 by at least one junction box 14 when being wound on a pipeline, so that the operation is more flexible.
Optionally, the control assembly 12 further comprises an explosion-proof housing 123, and the temperature controller 121 and the photoelectric converter 1221 are located in the explosion-proof housing 123. The pipeline heat tracing device 10 is mainly used for tracing pipelines such as natural gas and oil gas and has certain potential safety hazards, the anti-explosion shell 123 is arranged outside the temperature controller 121 and the photoelectric converter 1221, the pipeline heat tracing device 10 can be effectively protected, and the safety of the pipeline heat tracing device 10 is improved. Meanwhile, since the pipeline heat tracing device 10 is mostly used in the field and the environment is poor, the explosion-proof housing 123 can simultaneously protect sensitive instruments such as the temperature controller 121 and the photoelectric converter 1221 from the influence of bad weather such as wind, sand, rain and snow, so as to ensure the accuracy of the instruments.
Optionally, the pipe heat trace 10 is configured to trace heat to a pipe in a skid-mounted gas line. The skid-mounted device is characterized in that a group of devices are fixed on a base plate made of angle steel or I-steel, valves, pumps and other devices are fixed on the base plate in a skid-mounted gas transmission pipeline, the skid-mounted gas transmission pipeline is convenient to move, and when the skid-mounted gas transmission pipeline is connected with other devices on a system, the valves, instruments and other devices do not need to be installed in the middle. Only the pipeline is needed for communication. The pipeline heat tracing device 10 is small in size, and the electric heat tracing band 11 can be detached at any time and can move along with the movement of a skid-mounted gas pipeline. The pipe heat tracing apparatus 10 may also provide heat tracing for other types of pipes, and the embodiments of the present invention are not limited herein.
Optionally, the skid gas line is configured to provide power to the pipe heat trace. The power supply assembly is located in the skid-mounted gas transmission pipeline, and the skid-mounted gas transmission pipeline can directly provide power for the pipeline heat tracing device due to the fact that the equipment in the skid-mounted gas transmission pipeline is fixed together, and operation is convenient and fast. The skid-mounted gas transmission pipeline is matched with the pipeline heat tracing device to finish automatic heat tracing of the pipeline. If for other types of pipeline, can provide the power through long-range connecing the electric power to pipeline heat tracing device, the embodiment of the utility model is not restricted here.
To sum up, the embodiment of the present invention provides a pipeline heat tracing device, which measures the current temperature of a pipeline through a temperature sensor, converts the measured temperature into a signal, a signal transmitter receives the signal and transmits the signal to a temperature controller, a relay in the temperature controller is connected with an electric tracing band and a power supply module, the relay judges according to a preset temperature value, when the temperature measured by the temperature sensor is greater than a preset temperature value, the connection between the power supply module and a power supply input end is disconnected, and the electric tracing band is automatically powered off; when the temperature measured by the temperature sensor is lower than the preset temperature value, the connection between the power supply assembly and the power supply input end is switched on, and the electric tracing band heats the pipeline after being electrified. The problem of resource waste caused by continuously opening the electric tracing band in the related technology is solved, and the effect of saving resources is achieved.
The above description is only an alternative embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A pipe heat tracing apparatus, comprising:
the electric tracing band, the control component and the temperature sensor;
the power supply input end of the electric tracing band is connected with the control assembly, and the electric tracing band is wound on the outer wall of the pipeline;
the control assembly comprises a temperature controller and a signal transmitter, the temperature controller is connected with the electric tracing band, one end of the signal transmitter is connected with the temperature controller, and the other end of the signal transmitter is connected with the temperature sensor;
the temperature controller further comprises a relay, one end of the relay is connected with a power supply input end of the electric tracing band, the other end of the relay is configured to be connected with a power supply assembly, the relay is configured to disconnect the power supply assembly from the power supply input end when the temperature measured by the temperature sensor is higher than a preset temperature value, and connect the power supply assembly to the power supply input end when the temperature measured by the temperature sensor is lower than a preset temperature value;
the temperature sensor is located on an outer wall of the pipeline.
2. The pipe heat tracing apparatus of claim 1, wherein said temperature sensor comprises a contact photoelectric thermometry sensor.
3. The pipe heat tracing apparatus of claim 2, wherein the signal transmitter comprises an opto-electric converter configured to convert the signal of the contact opto-electric thermometry sensor for transmission to the temperature controller.
4. The pipe heat tracing apparatus of claim 3, wherein the temperature controller further comprises a signal input connected to the photoelectric converter, the signal input configured to receive a signal transmitted by the photoelectric converter.
5. The pipe heat tracing apparatus of claim 1, wherein said temperature sensor comprises a plurality of sub-temperature sensors, each of said sub-temperature sensors comprising a magnetic probe, said magnetic probe being attached to said pipe outer wall.
6. The pipe heat tracing apparatus according to claim 5, wherein the magnetic probes of the plurality of sub-temperature sensors are respectively attached to the inlet and outlet and the corner of the pipe.
7. The pipe heat tracing apparatus according to claim 1, wherein the relay and the electric trace band are connected by a junction box.
8. The pipe heat tracing apparatus of claim 1, wherein said control assembly further comprises an explosion proof housing, said temperature controller and said photoelectric converter being located within said explosion proof housing.
9. The pipe heat tracing of claim 1, wherein the pipe heat tracing is configured to heat the pipe in a skid gas line.
10. The pipe heat tracing of claim 9, wherein the skid gas line is configured to provide power to the pipe heat tracing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625459.5U CN211203271U (en) | 2019-09-26 | 2019-09-26 | Pipeline heat tracing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625459.5U CN211203271U (en) | 2019-09-26 | 2019-09-26 | Pipeline heat tracing device |
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| CN211203271U true CN211203271U (en) | 2020-08-07 |
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| CN201921625459.5U Active CN211203271U (en) | 2019-09-26 | 2019-09-26 | Pipeline heat tracing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261748A (en) * | 2020-11-03 | 2021-01-22 | 安邦电气股份有限公司 | Explosion-proof self-temperature-limiting electric tracing band |
| CN114046389A (en) * | 2021-10-28 | 2022-02-15 | 中海石油(中国)有限公司 | Submarine pipeline long-line cable heat tracing device and method |
-
2019
- 2019-09-26 CN CN201921625459.5U patent/CN211203271U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261748A (en) * | 2020-11-03 | 2021-01-22 | 安邦电气股份有限公司 | Explosion-proof self-temperature-limiting electric tracing band |
| CN114046389A (en) * | 2021-10-28 | 2022-02-15 | 中海石油(中国)有限公司 | Submarine pipeline long-line cable heat tracing device and method |
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