CN110594519A - Core pipe heating device of crude oil gathering and transportation pipeline and use method thereof - Google Patents
Core pipe heating device of crude oil gathering and transportation pipeline and use method thereof Download PDFInfo
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- CN110594519A CN110594519A CN201910873985.1A CN201910873985A CN110594519A CN 110594519 A CN110594519 A CN 110594519A CN 201910873985 A CN201910873985 A CN 201910873985A CN 110594519 A CN110594519 A CN 110594519A
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- crude oil
- temperature
- control system
- cable
- core pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a core tube heating device of a crude oil gathering and transportation pipeline and a use method thereof, wherein the core tube heating device comprises the following steps: the device comprises a pipeline for transporting crude oil, a heating core pipe, a power cable, a control system, a signal cable, a sealing joint and a temperature measuring element. The control system is connected with the temperature measuring element through a signal cable and is also connected with the heating core pipe through a power cable; the control system is used for collecting the temperature measured by the temperature measuring element and controlling the heating core tube to heat according to the temperature. The side wall of the pipeline is provided with a hole, the heating core pipe and the temperature measuring element are inserted into the hole, the hole is sealed through a sealing joint, the sealing joint is provided with a cable hole for a signal cable and a power cable to pass through, and the cable hole is sealed after the signal cable and the power cable pass through. The invention has the advantages that: the heat dissipated during the flowing process of the crude oil is supplemented, so that the oil temperature is always higher than the condensation point of the oil product, and the safe transportation of the crude oil is ensured. The current can be adjusted to match the heating power with the oil field production. High automation degree and accurate temperature control.
Description
Technical Field
The invention relates to the technical field of crude oil gathering and transportation pipelines, in particular to a core pipe heating device of a crude oil gathering and transportation pipeline and a using method thereof.
Background
The crude oil gathering and transportation pipeline has the task of conveying oil well output liquid to a combination station, and most of crude oil produced in China is easily coagulated and highly viscous crude oil which has very poor flow property at normal temperature, so that coagulation pipe blockage is easily caused during normal-temperature conveying, and great risk is brought to safe operation of the gathering and transportation pipeline. The traditional crude oil gathering and transportation process comprises a water jacket furnace heating oil collecting process, a heat source heat tracing heat preservation oil collecting process, a liquid mixing oil collecting process and the like, wherein the oil collecting processes have the disadvantages of high energy consumption, inconvenient operation and management, incapability of timely adjusting heating power along with the fluctuation of the oil field yield, large horse-drawn trolley phenomenon, difficult subsequent processing and treatment and high treatment cost.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a core pipe heating device of a crude oil gathering and transportation pipeline and a use method thereof, and solves the defects in the prior art.
In order to realize the purpose, the technical scheme adopted by the invention is as follows:
a core tube heating device of a crude oil gathering and transportation pipeline comprises: the device comprises a pipeline (1) for transporting crude oil (2), a heating core pipe (3), a power cable (4), a control system (5), a signal cable (6), a sealing joint (7) and a temperature measuring element (8).
The control system (5) is connected with the temperature measuring element (8) through a signal cable (6), and the control system (5) is also connected with the heating core pipe (3) through a power cable (4); the control system (5) is used for collecting the temperature measured by the temperature measuring element (8) and controlling the heating core pipe (3) to heat according to the temperature.
The side wall of the pipeline (1) is provided with a hole, the heating core pipe (3) and the temperature measuring element (8) are inserted into the hole, the hole is sealed through the sealing joint (7), the sealing joint (7) is provided with a cable hole for the signal cable (6) and the power cable (4) to pass through, and the cable hole is sealed after the signal cable and the power cable pass through.
The invention also discloses a use method of the core pipe heating device of the crude oil gathering and transportation pipeline, which comprises the following steps: when the crude oil (2) in the pipeline (1) flows in the pipeline, along with continuous dissipation of heat in the flowing process of oil flow, the temperature of the crude oil (2) is possibly lower than the condensation point of the crude oil (2), the measured crude oil temperature is converted into an electric signal through the temperature measuring element (8), the electric signal is transmitted to the control system (5) through the signal cable, the control system (5) judges whether heating is needed according to a preset temperature value, if heating is needed, the current in the power cable (4) is determined, and the current is output to the heating core pipe (3) through the power cable (4). When crude oil (2) in the pipeline flows through the heating core pipe (3), uniform heat emitted by the heating core pipe (3) can be continuously obtained, and the temperature required by the flowing can be maintained. In order to prevent the heated temperature of the oil flow from being overhigh, the temperature of the heated oil flow can be in a preset range by utilizing a temperature negative feedback control system consisting of a temperature measuring element (8), a control system (5), a power cable (6) and crude oil (2), so that the aim of safely operating the crude oil in a gathering and transportation pipeline is fulfilled, and the guarantee is provided for the normal production of an oil field.
Compared with the prior art, the invention has the advantages that:
the crude oil is directly heated by the heat generated by the current through the heating core pipe, the heat dissipated in the flowing process of the crude oil is supplemented, the oil temperature is always higher than the condensation point of the oil product, and the safe transportation of the crude oil is ensured. Meanwhile, according to the fluctuation of the oil field output, a control system in the heating device can adjust the current in the power cable, so that the heating power is matched with the oil field output. The automatic temperature control device has the advantages of high automation degree, accurate temperature control, good mechanical property of the core tube, corrosion resistance, long service life, electrical explosion resistance, safety and reliability.
Drawings
FIG. 1 is a schematic structural view of a core tube heating device of a crude oil gathering and transportation pipeline according to an embodiment of the present invention.
In the figure: 1. the device comprises a pipeline, 2, crude oil, 3, a heating core pipe, 4, a power cable, 5, a control system, 6, a signal cable, 7, a sealing joint and 8, a temperature measuring element.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings by way of examples.
As shown in fig. 1, a core tube heating apparatus of a crude oil gathering and transporting pipeline includes: the device comprises a pipeline (1) for transporting crude oil (2), a heating core pipe (3), a power cable (4), a control system (5), a signal cable (6), a sealing joint (7) and a temperature measuring element (8).
The type of the heating core tube (3): 3U hexagonal screw thread heating pipe, manufacturer: yan city Yangrong electrothermal technology Limited, flame-proof type ]; the control system (5) is a DCS control system; the type of the temperature measuring element (8) is as follows: STT250 temperature transmitter, manufacturer: honeywell, flame-proof;
the control system (5) is connected with the temperature measuring element (8) through a signal cable (6), and the control system (5) is also connected with the heating core pipe (3) through a power cable (4); the control system (5) is used for collecting the temperature measured by the temperature measuring element (8) and controlling the heating core pipe (3) to heat according to the temperature.
The side wall of the pipeline (1) is provided with a hole, the heating core pipe (3) and the temperature measuring element (8) are inserted into the hole, the hole is sealed through the sealing joint (7), the sealing joint (7) is provided with a cable hole for the signal cable (6) and the power cable (4) to pass through, and the cable hole is sealed after the signal cable and the power cable pass through.
When the heating device is used, when the crude oil (2) in the pipeline (1) flows in the pipeline, along with continuous dissipation of heat in the flowing process of oil flow, the temperature of the crude oil (2) is possibly lower than the condensation point of the crude oil, the measured temperature of the crude oil is converted into an electric signal through the temperature measuring element (8), the electric signal is transmitted to the control system (5) through the signal cable, the control system (5) judges whether heating is needed according to a preset temperature value, if heating is needed, the current in the power cable (4) is determined, and the current is output to the heating core pipe (3) through the power cable (4). When crude oil (2) in the pipeline flows through the heating core pipe (3), uniform heat emitted by the heating core pipe (3) can be continuously obtained, and the temperature required by the flowing can be maintained. In order to prevent the heated temperature of the oil flow from being overhigh, the temperature of the heated oil flow can be in a preset range by utilizing a temperature negative feedback control system consisting of a temperature measuring element (8), a control system (5), a power cable (6) and crude oil (2), so that the aim of safely operating the crude oil in a gathering and transportation pipeline is fulfilled, and the guarantee is provided for the normal production of an oil field.
It will be appreciated by those of ordinary skill in the art that the examples described herein are intended to assist the reader in understanding the manner in which the invention is practiced, and it is to be understood that the scope of the invention is not limited to such specifically recited statements and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.
Claims (2)
1. A core tube heating device of a crude oil gathering and transportation pipeline is characterized by comprising: the device comprises a pipeline (1) for transporting crude oil (2), a heating core pipe (3), a power cable (4), a control system (5), a signal cable (6), a sealing joint (7) and a temperature measuring element (8);
the control system (5) is connected with the temperature measuring element (8) through a signal cable (6), and the control system (5) is also connected with the heating core pipe (3) through a power cable (4); the control system (5) is used for collecting the temperature measured by the temperature measuring element (8) and controlling the heating core pipe (3) to heat according to the temperature;
the side wall of the pipeline (1) is provided with a hole, the heating core pipe (3) and the temperature measuring element (8) are inserted into the hole, the hole is sealed through the sealing joint (7), the sealing joint (7) is provided with a cable hole for the signal cable (6) and the power cable (4) to pass through, and the cable hole is sealed after the signal cable and the power cable pass through.
2. The use method of the core tube heating device of the crude oil gathering and transportation pipeline according to claim 1, wherein the core tube heating device comprises: when the crude oil (2) in the pipeline (1) flows in the pipeline, along with the continuous dissipation of heat in the flowing process of oil flow, the temperature of the crude oil (2) is possibly lower than the condensation point of the crude oil (2), the measured crude oil temperature is converted into an electric signal through a temperature measuring element (8), and then the electric signal is transmitted to a control system (5) through a signal cable, the control system (5) judges whether heating is needed according to a preset temperature value, if heating is needed, the current in a power cable (4) is determined, and the current is output to a heating core pipe (3) through the power cable (4); when crude oil (2) in the pipeline flows through the heating core pipe (3), uniform heat emitted by the heating core pipe (3) can be continuously obtained, and the temperature required by the flowing can be maintained; in order to prevent the heated temperature of the oil flow from being overhigh, the temperature of the heated oil flow can be in a preset range by utilizing a temperature negative feedback control system consisting of a temperature measuring element (8), a control system (5), a power cable (6) and crude oil (2), so that the aim of safely operating the crude oil in a gathering and transportation pipeline is fulfilled, and the guarantee is provided for the normal production of an oil field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910873985.1A CN110594519A (en) | 2019-09-17 | 2019-09-17 | Core pipe heating device of crude oil gathering and transportation pipeline and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910873985.1A CN110594519A (en) | 2019-09-17 | 2019-09-17 | Core pipe heating device of crude oil gathering and transportation pipeline and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110594519A true CN110594519A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910873985.1A Pending CN110594519A (en) | 2019-09-17 | 2019-09-17 | Core pipe heating device of crude oil gathering and transportation pipeline and use method thereof |
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| CN (1) | CN110594519A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343456Y (en) * | 1998-05-29 | 1999-10-13 | 曹云森 | Magnetizing electric heater for crude oil gathering and transportation pipeline |
| CN2878666Y (en) * | 2006-03-14 | 2007-03-14 | 张庆旭 | Medium-frequency electricity heating oil sampling device for thick oil |
| CN201696796U (en) * | 2010-06-13 | 2011-01-05 | 吴燕 | Crude oil pipeline puncturing heating device |
| CN202746950U (en) * | 2012-08-26 | 2013-02-20 | 林文艳 | Straight heating and unfreezing device for gathering pipeline |
| CN203746611U (en) * | 2014-03-13 | 2014-07-30 | 国家电网公司 | Optimumintelligent control system for temperature difference of winding and oil flow of main transformer |
| CN204894270U (en) * | 2015-06-24 | 2015-12-23 | 中车双喜轮胎有限公司 | Electrical heating formula technology oil expenses oil balance |
| CN205003498U (en) * | 2015-08-24 | 2016-01-27 | 中山诚泰化工科技有限公司 | Thick oil feedway control system |
| CN108086950A (en) * | 2016-11-21 | 2018-05-29 | 成都中安电气有限公司 | A kind of oil gas field hole top heater |
| CN207505163U (en) * | 2017-11-02 | 2018-06-15 | 中国石油化工股份有限公司 | A kind of heavy oil transportation pipeline mineral insulated cable heating unit |
| CN208907551U (en) * | 2018-09-17 | 2019-05-28 | 李亚军 | A kind of oil field gathering and transportation pipeline energy-saving heating apparatus |
| CN208951514U (en) * | 2018-08-23 | 2019-06-07 | 武汉武耀安全玻璃股份有限公司 | A kind of pipeline heating system |
-
2019
- 2019-09-17 CN CN201910873985.1A patent/CN110594519A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343456Y (en) * | 1998-05-29 | 1999-10-13 | 曹云森 | Magnetizing electric heater for crude oil gathering and transportation pipeline |
| CN2878666Y (en) * | 2006-03-14 | 2007-03-14 | 张庆旭 | Medium-frequency electricity heating oil sampling device for thick oil |
| CN201696796U (en) * | 2010-06-13 | 2011-01-05 | 吴燕 | Crude oil pipeline puncturing heating device |
| CN202746950U (en) * | 2012-08-26 | 2013-02-20 | 林文艳 | Straight heating and unfreezing device for gathering pipeline |
| CN203746611U (en) * | 2014-03-13 | 2014-07-30 | 国家电网公司 | Optimumintelligent control system for temperature difference of winding and oil flow of main transformer |
| CN204894270U (en) * | 2015-06-24 | 2015-12-23 | 中车双喜轮胎有限公司 | Electrical heating formula technology oil expenses oil balance |
| CN205003498U (en) * | 2015-08-24 | 2016-01-27 | 中山诚泰化工科技有限公司 | Thick oil feedway control system |
| CN108086950A (en) * | 2016-11-21 | 2018-05-29 | 成都中安电气有限公司 | A kind of oil gas field hole top heater |
| CN207505163U (en) * | 2017-11-02 | 2018-06-15 | 中国石油化工股份有限公司 | A kind of heavy oil transportation pipeline mineral insulated cable heating unit |
| CN208951514U (en) * | 2018-08-23 | 2019-06-07 | 武汉武耀安全玻璃股份有限公司 | A kind of pipeline heating system |
| CN208907551U (en) * | 2018-09-17 | 2019-05-28 | 李亚军 | A kind of oil field gathering and transportation pipeline energy-saving heating apparatus |
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Application publication date: 20191220 |