CN210687787U - Crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system - Google Patents
Crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system Download PDFInfo
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- CN210687787U CN210687787U CN201920465787.7U CN201920465787U CN210687787U CN 210687787 U CN210687787 U CN 210687787U CN 201920465787 U CN201920465787 U CN 201920465787U CN 210687787 U CN210687787 U CN 210687787U
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Abstract
The utility model discloses a crude oil gathering and transportation station gathering and transportation pipe network electricity companion heat system, including the production tree, crude oil gathering and transportation station gathering and transportation pipe network electricity companion heat system still includes built-in heater, electric temperature control subassembly, defeated oil pipe and built-in income pipe assembly, defeated oil pipe sets up in the underground and has input port and delivery outlet, be connected with the oblique tee bend of oil duct between input port and the production tree, the beneficial effects of the utility model reside in that: the mineral insulated heating cable is arranged in an oil pipeline, electric energy is efficiently converted into heat energy after the mineral insulated heating cable is electrified, the heat energy is directly transferred to crude oil which is in complete contact with the mineral insulated heating cable, so that the heat loss of the crude oil is supplemented, the heat efficiency is extremely high, the mineral insulated heating cable is used for heat tracing of a thick oil conveying pipe, a well site water jacket furnace or other forms of heating can be replaced, the thick oil is maintained at a proper conveying temperature, the smooth conveying is ensured, the back pressure of an oil well is reduced, and the using amount of the thin oil is.
Description
The technical field is as follows:
the utility model relates to a crude oil transportation electric heat tracing system field specifically is a crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system.
Background art:
in the process of conveying the crude oil out of the ground along the pipeline, because the oil temperature is higher than the ambient temperature around the pipeline, under the action of radial temperature difference, the heat energy carried by the oil flow is continuously dissipated out of the pipeline, so that the oil flow is continuously cooled in the advancing process, and the axial temperature drop is caused. The viscosity of oil flow is continuously increased in the advancing process due to the existence of axial temperature drop, the friction resistance of unit pipe length is gradually increased, the fluidity is increasingly poor, and the well pressure is increased. When the oil temperature is reduced to the vicinity of the freezing point, crude oil can be coagulated or waxed in the pipeline, so that the oil pipeline is blocked, which is also a common problem in the crude oil gathering and transportation process.
The utility model has the following contents:
the utility model aims at solving the existing problems and providing a crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system with high thermal efficiency, stable performance, long service life, convenient installation, safety and reliability.
The technical solution of the utility model is as follows:
the utility model provides a crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system, includes the production tree, crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system still includes built-in heater, electric temperature control subassembly, defeated oil pipe and built-in income pipe assembly, defeated oil pipe sets up in the underground and has input port and delivery outlet, be connected with the oblique tee bend of oil duct between input port and the production tree, built-in heater gets into defeated oil pipe and extends to the delivery outlet along defeated oil pipe by the oblique tee bend of oil duct, built-in income pipe assembly is installed in the port of the oblique tee bend of oil duct, and it includes mounting flange, inlet tube and explosion-proof terminal box, built-in heater links to each.
Preferably, the electric temperature control assembly comprises a temperature measuring cable, a metal hose, a temperature detecting unit, a control unit and a temperature control box, wherein the temperature measuring end of the temperature measuring cable is arranged at the input port and the output port of the oil conveying pipe, the other end of the temperature measuring cable is electrically connected with the temperature control box through an explosion-proof junction box, the metal hose and the temperature control box, and the temperature detecting unit and the control unit are integrated in the temperature control box.
Preferably, the temperature measuring cable is provided with a temperature sensor.
Preferably, the built-in heater is a pipeline built-in mineral insulated heating cable.
More preferably, the mineral insulated heating cable arranged in the pipeline is a mineral insulated three-core integrated heating cable arranged in the pipeline.
Preferably, the built-in heater is electrically connected with the temperature control box through an explosion-proof junction box and a metal hose.
The beneficial effects of the utility model reside in that: the mineral insulated heating cable is arranged in an oil pipeline, electric energy is efficiently converted into heat energy after the mineral insulated heating cable is electrified, the heat energy is directly transferred to crude oil which is in complete contact with the mineral insulated heating cable, so that the heat loss of the crude oil is supplemented, the heat efficiency is extremely high, the mineral insulated heating cable is used for heat tracing of a thick oil conveying pipe, a well site water jacket furnace or other forms of heating can be replaced, the thick oil is maintained at a proper conveying temperature, the smooth conveying is ensured, the back pressure of an oil well is reduced, and the using amount of the thin oil is.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic half-sectional view of the built-in inlet pipe assembly and the oil duct inclined tee of the present invention;
in the drawings: 1. a Christmas tree; 2. a built-in heater; 3. an electrical temperature control assembly; 301. a temperature measuring cable; 302. a metal hose; 303. a temperature control box; 4. an oil delivery pipe; 5. a built-in pipe inlet assembly; 6. an oil duct inclined tee; 7. installing a flange; 8. an inlet tube; 9. an explosion-proof junction box.
The specific implementation mode is as follows:
as shown in fig. 1-2, the crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system comprises a production tree 1, the crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system further comprises a built-in heater 2, an electric temperature control component 3, an oil pipeline 4 and a built-in inlet pipe component 5, the oil pipeline 4 is arranged underground and is provided with an input port and an output port, an oil duct inclined tee 6 is connected between the input port and the production tree 1, the built-in heater 2 enters the oil pipeline 4 through the oil duct inclined tee 6 and extends to the output port along the oil pipeline 4, the built-in inlet pipe component 5 is installed at a port of the oil duct inclined tee 6 and comprises a mounting flange 7, an inlet pipe 8 and an explosion-proof junction box 9, and the built-in heater 2 is connected with a power supply through.
Specifically, electric temperature control assembly 3 includes temperature measurement cable 301, metal collapsible tube 302, temperature detecting element, the control unit and temperature control box 303, temperature measurement end of temperature measurement cable 301 sets up in defeated oil pipe 4's input port and delivery outlet department, and the other end is connected through explosion-proof terminal box 9, metal collapsible tube 302 and temperature control box 303 electricity, temperature detecting element and the control unit integration in inside temperature control box 303.
Specifically, a temperature sensor is arranged on the temperature measuring cable 301.
Specifically, the built-in heater 2 is a pipeline built-in mineral insulation heating cable, a metal sheath of the cable is sealed and seamless, the mechanical strength is high, thermal ageing does not exist, and the long-term service life of the cable can be guaranteed to be more than 30 years by selecting a sheath material resistant to medium corrosion.
Specifically, the mineral-insulated heating cable with the built-in pipeline is a mineral-insulated three-core integrated heating cable with the built-in pipeline, the constituent materials of the mineral-insulated three-core integrated heating cable with the built-in pipeline are all made of inorganic insulating materials, and the physical and chemical properties of the mineral-insulated three-core integrated heating cable with the built-in pipeline are quite stable at the rated service temperature.
Specifically, the built-in heater 2 is electrically connected with the temperature control box 303 through the explosion-proof junction box 9 and the metal hose 302. The built-in heater 2 is matched with reliable electric protection measures, so that the automatic operation is safer, explosion-proof and reliable, and completely meets the HSE (health safety and environmental protection) management standard requirements of oil and gas fields.
The mineral insulated three-core integrated heating cable arranged in the pipeline is arranged in the oil pipeline 4 and can be installed by adopting methods of traction, air blowing, water pressure and the like, but the traction force, the air pressure or the water pressure must be accurately calculated according to the friction resistance in the oil pipeline 4 and the self breaking force of the heating cable, the temperature measuring cable 301 is respectively arranged in an input port and an output port of the oil pipeline 4, the mineral insulated three-core integrated heating cable arranged in the pipeline and the temperature measuring cable 301 are both connected with the explosion-proof junction box 9, the explosion-proof junction box 9 is electrically connected with the temperature control box 303 through the metal hose 302, the temperature control box 303 is connected with a power supply, namely, after the mineral insulated three-core integrated heating cable arranged in the pipeline is electrified, the electric energy is efficiently converted into heat energy, the heat energy is directly transferred to a process medium such as crude oil which, the thickened oil is maintained at a proper conveying temperature, and the back pressure of an oil well is reduced while smooth conveying is ensured, so that the using amount of thin oil is reduced.
The above description is only a preferred embodiment of the present invention, and all other embodiments obtained by those skilled in the art without any creative effort shall fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system, includes the production tree, its characterized in that: the crude oil gathering station gathering pipeline network electric heat tracing system further comprises a built-in heater, an electric temperature control assembly, an oil conveying pipe and a built-in inlet pipe assembly, the oil conveying pipe is arranged underground and is provided with an input port and an output port, an oil duct inclined tee joint is connected between the input port and the oil production tree, the built-in heater enters the oil conveying pipe through the oil duct inclined tee joint and extends to the output port along the oil conveying pipe, the built-in inlet pipe assembly is installed at a port of the oil duct inclined tee joint and comprises a mounting flange, an inlet pipe and an explosion-proof junction box, and the built-in heater is connected with a power supply.
2. The crude oil gathering station gathering pipeline network electric heat tracing system of claim 1, characterized in that: electric temperature control subassembly includes temperature measurement cable, metal collapsible tube, temperature detecting element, the control unit and temperature control box, the temperature measurement end of temperature measurement cable sets up in defeated oil pipe's input port and delivery outlet department, and the other end is connected through explosion-proof terminal box, metal collapsible tube and temperature control box electricity, temperature detecting element and the control unit integration in inside the temperature control box.
3. The crude oil gathering station gathering pipeline network electric heat tracing system of claim 2, characterized in that: and a temperature sensor is arranged on the temperature measuring cable.
4. The crude oil gathering station gathering pipeline network electric heat tracing system of claim 1, characterized in that: the built-in heater is a mineral insulated heating cable arranged in the pipeline.
5. The crude oil gathering station gathering pipeline network electric heat tracing system of claim 4, characterized in that: the mineral insulation heating cable arranged in the pipeline is a mineral insulation three-core integrated heating cable arranged in the pipeline.
6. The crude oil gathering station gathering pipeline network electric heat tracing system of claim 2, characterized in that: the built-in heater is electrically connected with the temperature control box through the explosion-proof junction box and the metal hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465787.7U CN210687787U (en) | 2019-04-09 | 2019-04-09 | Crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465787.7U CN210687787U (en) | 2019-04-09 | 2019-04-09 | Crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210687787U true CN210687787U (en) | 2020-06-05 |
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ID=70894474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920465787.7U Active CN210687787U (en) | 2019-04-09 | 2019-04-09 | Crude oil gathering and transportation station gathering and transportation pipe network electric heat tracing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210687787U (en) |
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2019
- 2019-04-09 CN CN201920465787.7U patent/CN210687787U/en active Active
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