CN110608371A - Crude oil electromagnetic heating rod for oil pipeline and heating method - Google Patents
Crude oil electromagnetic heating rod for oil pipeline and heating method Download PDFInfo
- Publication number
- CN110608371A CN110608371A CN201910879731.0A CN201910879731A CN110608371A CN 110608371 A CN110608371 A CN 110608371A CN 201910879731 A CN201910879731 A CN 201910879731A CN 110608371 A CN110608371 A CN 110608371A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic
- crude oil
- oil
- heating rod
- electromagnetic coil
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 121
- 239000010779 crude oil Substances 0.000 title claims abstract description 70
- 239000003921 oil Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 12
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 9
- 238000004880 explosion Methods 0.000 claims description 9
- VHHVGPDQBHJHFB-UHFFFAOYSA-N [Ti].[Cr].[Ni] Chemical compound [Ti].[Cr].[Ni] VHHVGPDQBHJHFB-UHFFFAOYSA-N 0.000 claims description 8
- 239000003129 oil well Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005485 electric heating Methods 0.000 description 7
- 238000013021 overheating Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- F16L53/34—Heating of pipes or pipe systems using electric, magnetic or electromagnetic fields, e.g. using induction, dielectric or microwave heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
- F17D1/18—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
The invention belongs to the technical field of crude oil heating, and particularly relates to an electromagnetic heating rod and a heating method for crude oil in an oil pipeline. The invention provides the crude oil electromagnetic heating rod and the heating method for the oil pipeline, which are safe, reliable, high in heat efficiency, long in service life and convenient to maintain, through the explosion-proof junction box, the installation short section and the electromagnetic heating rod which is organically arranged of the electromagnetic heating unit consisting of the sheath shell, the main electromagnetic coil, the auxiliary electromagnetic coil and the electromagnetic soft magnet, and through four steps of installing the crude oil electromagnetic heating rod, starting to work the crude oil electromagnetic heating rod, acquiring and controlling the data of the crude oil electromagnetic heating rod and stopping the work of the crude oil electromagnetic heating rod.
Description
Technical Field
The invention belongs to the technical field of crude oil heating, and particularly relates to an electromagnetic heating rod and a heating method for crude oil in an oil pipeline.
Background
At present, crude oil in oil pipelines of a well site and an oil collection station is heated by an oil field in a mode of heating by a heat tracing band and various electric heating tubes, but when the crude oil in the oil pipelines of the well site and the oil collection station is heated by the heat tracing band, the heat efficiency is low, and after underground damage, a large amount of earthwork is required to be excavated to complete maintenance operation, so that the maintenance is difficult. When crude oil in oil pipelines of a well site and an oil collecting station is heated by adopting various heating modes of the electric heating tube, the electric heating tube is easy to scale, the thermal efficiency is gradually reduced after scaling, and the electric heating tube is easy to damage.
Disclosure of Invention
The invention provides an oil pipeline crude oil electromagnetic heating rod and a heating method, and aims to provide an oil pipeline crude oil electromagnetic heating rod and a heating method which are safe, reliable and high in heat efficiency; the second purpose is to provide an oil pipeline crude oil electromagnetic heating rod with long service life and convenient maintenance and a heating method.
In order to achieve the purpose, the invention adopts the technical scheme that:
an electromagnetic heating rod for crude oil in oil pipeline comprises
The side surface of the explosion-proof junction box is provided with a control cable outlet;
the anti-explosion short joint comprises an installation short joint, a control cable and a power supply, wherein one end of the installation short joint is connected with the anti-explosion junction box;
and the electromagnetic heating unit is connected to the other end of the mounting short section and is used for converting magnetic field energy into heat energy.
The remote control terminal is electrically connected with the electromagnetic heating unit.
The electromagnetic heating unit comprises a sheath shell, a main electromagnetic coil, an auxiliary electromagnetic coil and an electromagnetic soft magnet; one end of the electromagnetic soft magnet is connected with the other end of the mounting short section through a cable; the main electromagnetic coil and the auxiliary electromagnetic coil are sequentially sleeved on the electromagnetic soft magnet from outside to inside, a gap is formed between the electromagnetic coil and the auxiliary electromagnetic coil, and one ends of the electromagnetic coil and the auxiliary electromagnetic coil are respectively connected with the mounting short section; the main electromagnetic coil, the auxiliary electromagnetic coil and the electromagnetic soft magnet are all arranged in the sheath shell.
Also comprises a temperature measuring tube; the temperature measuring pipe is connected with the mounting short section and is arranged in the sheath shell.
The main electromagnetic coil and the auxiliary electromagnetic coil are both cylindrical and both adopt a core-pulling and combined structure.
The main electromagnetic coil is by the diameter be 2mm, and length is 20m nickel-chromium titanium alloy processing and forms the solenoid, vice electromagnetic coil is by the diameter be 1mm, and length is 15m nickel-chromium titanium alloy processing and forms the solenoid, electromagnetism soft magnet is by the diameter be 5mm, and length is 1m neodymium iron boron processing and forms.
A connecting flange is arranged between the mounting short section and the explosion-proof junction box; and the explosion-proof junction box is provided with a grounding protection.
An electromagnetic heating rod heating method for crude oil in an oil pipeline comprises the following steps
The method comprises the following steps: electromagnetic heating rod for installing crude oil
Turning off the oil well of the oil pumping unit, inserting the crude oil electromagnetic heating rod of the oil pipeline into the central position of the oil pipeline, staying for 8-12 minutes, connecting an external power supply with a cable in the outlet of the control cable, completing wiring, checking and confirming the correctness of the wiring, and starting the oil well of the oil pumping unit;
step two: the crude oil electromagnetic heating rod starts to work
After the first step is completed and safety is confirmed according to the requirement of power transmission operation regulations, an external power supply starts to supply power, and the crude oil electromagnetic heating rod starts to work;
step three: crude oil electromagnetic heating rod data acquisition and control
When the temperature of the crude oil measured by the temperature measuring pipe is lower than the second-level set temperature, the remote control terminal sends an instruction to the main electromagnetic coil to work simultaneously, and when the temperature of the crude oil measured by the temperature measuring pipe is lower than the second-level set temperature, the remote control terminal sends an instruction to the main electromagnetic coil to work, and the auxiliary electromagnetic coil stops working;
step four: crude oil electromagnetic heating rod stop
And when the temperature data acquired by the remote control terminal in the third step reaches the preset temperature, the crude oil electromagnetic heating rod stops heating.
The residence time in the first step is 10 minutes.
In the second step, the first-stage set temperature is 40 ℃, and the second-stage set temperature is 50 ℃.
Has the advantages that:
(1) the rod eddy current heating of the invention is not contacted with the electromagnetic coil, thus being safe and reliable, short in heating time and good in energy-saving effect;
(2) the oil pipeline structure adopts a sheath type rod-shaped structure, the length of a single rod is 0.5-2 m, and the oil pipeline structure is suitable for various oil pipelines, so that the application range of the oil pipeline structure is wider;
(3) the main electromagnetic coil and the auxiliary electromagnetic coil adopt the core-pulling and combined design, so that the maintenance and the replacement are not required to clean the tank, and only partial rod cores are replaced, thus the maintenance and the replacement are simple and convenient;
(4) the built-in temperature switch, the temperature safety and the Pt100 thermal resistor triple overheating protection device effectively prevent abnormal faults such as overheating, dry burning, overcurrent and the like;
(5) when the temperature of the heating medium is lower than a set value, the heating rod is started, and when the temperature is higher than the set temperature value, the heating rod is automatically stopped or the output power is reduced.
(6) The invention has the characteristics of safety, reliability, simple operation, low investment cost, long service life, no maintenance and the like; is suitable for various explosion-proof or non-explosion-proof places.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to clearly understand the technical solutions of the present invention and to implement the technical solutions according to the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in 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 the present invention;
fig. 2 is a flow chart of the present invention.
In the figure: 1-explosion-proof junction box; 2-a connecting flange; 3, installing a short section; 4-temperature measuring tube; 5-a sheath housing; 6-a main electromagnetic coil; 7-a secondary electromagnetic coil; 8-electromagnetic soft magnet; 9-control cable outlet; 10-ground protection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
an electromagnetic heating rod for crude oil in oil pipeline shown in figure 1 comprises
The side surface of the explosion-proof junction box 1 is provided with a control cable outlet 9;
the anti-explosion junction box comprises an installation short section 3, wherein one end of the installation short section 3 is connected with the anti-explosion junction box 1, a control cable is connected in the installation short section 3, and the control cable is connected with an external power supply through a control cable outlet 9;
and the electromagnetic heating unit is connected to the other end of the mounting short section 3 and is used for converting magnetic field energy into heat energy.
In practical use, the explosion-proof junction box 1, the installation short section 3 and the electromagnetic heating unit are connected and then electrified, and the electromagnetic heating unit rapidly generates strong magnetic hysteresis eddy current and magnetic resistance heat effect heat which is the main heat of the heating rod. Electromagnetic induction heating directly makes the heating outward pass through magnetic field energy, and heating efficiency is than electric heating pipe efficient. The invention has simple operation, low investment cost and long service life. The invention is suitable for various explosion-proof or non-explosion-proof environment places, and is commonly used for crude oil heating bodies of oil pipelines of oil field well sites and oil gathering stations.
Example two:
according to the crude oil electromagnetic heating rod of the oil pipeline shown in the figure 1, the difference from the first embodiment is that: the remote control terminal is electrically connected with the electromagnetic heating unit.
In practical use, the setting of the terminal is controlled remotely, so that the invention can realize remote and automatic control and save labor. The remote control terminal in this embodiment is a computer in the prior art.
Example three:
the electromagnetic heating rod for crude oil in an oil pipeline shown in FIG. 1 is different from the first embodiment in that: the electromagnetic heating unit comprises a sheath shell 5, a main electromagnetic coil 6, an auxiliary electromagnetic coil 7 and an electromagnetic soft magnet 8; one end of the electromagnetic soft magnet 8 is connected with the other end of the mounting short section 3 through a cable; the main electromagnetic coil 6 and the auxiliary electromagnetic coil 7 are sequentially sleeved on the electromagnetic soft magnet 8 from outside to inside, a gap is formed between the electromagnetic coil 6 and the auxiliary electromagnetic coil 7, and one ends of the electromagnetic coil 6 and the auxiliary electromagnetic coil 7 are respectively connected with the mounting short section 3; the main electromagnetic coil 6, the auxiliary electromagnetic coil 7 and the electromagnetic soft magnet 8 are all arranged in the sheath shell 5.
When the electromagnetic heating rod is actually used, the main electromagnetic coil 6 and the auxiliary electromagnetic coil 7 are sleeved in the sheath shell 5, the auxiliary electromagnetic coil 7 is placed in the main electromagnetic coil 6, the electromagnetic soft magnet 8 penetrates through the auxiliary electromagnetic coil 7 and the main electromagnetic coil 6 to form a closed magnetic field, and after the electromagnetic heating rod is electrified, coil current enables the steel sheath shell 5 to rapidly generate strong magnetic hysteresis eddy current and magnetic resistance heat effect heat, wherein the heat is the main heat of the heating rod; and stray magnetic fields released by the coils are shielded and absorbed by the steel jacket shell 5 and generate skin effect heat in the circular ring. The mounting short section 3 is used for fixing the electromagnetic soft magnet 8; the explosion-proof terminal box 1 is electrically connected with a main electromagnetic coil 6 and a sub-electromagnetic coil 7.
When the temperature of the crude oil measured by the temperature measuring pipe is lower than the primary set temperature, the main electromagnetic coil and the auxiliary electromagnetic coil work simultaneously, and when the temperature of the crude oil measured by the temperature measuring pipe is lower than the secondary set temperature, the main electromagnetic coil works, and the auxiliary electromagnetic coil stops working. The electromagnetic induction heating directly makes the steel sheath shell 5 generate heat through magnetic field energy, and a heat transfer process does not exist, so that the electromagnetic heating efficiency is higher than that of an electric heating pipe.
Example four:
the electromagnetic heating rod for crude oil in an oil pipeline shown in figure 1 is different from the electromagnetic heating rod in the third embodiment in that: also comprises a temperature measuring tube 4; the temperature measuring pipe 4 is connected with the mounting nipple 3 and is arranged in the sheath shell 5.
When the temperature measuring tube is actually used, a temperature switch, a temperature fuse and a Pt100 thermal resistor triple overheating protection device are arranged in the temperature measuring tube 4, after primary protection fails, the heating temperature continuously rises, when the highest limit temperature is reached, the internal temperature fuse acts to cut off a power supply of a control circuit, the heater stops working, and abnormal faults such as overheating, dry burning, overcurrent and the like are effectively prevented. The service life of the crude oil electromagnetic heating rod is prolonged.
Example five:
the electromagnetic heating rod for crude oil in an oil pipeline shown in figure 1 is different from the electromagnetic heating rod in the third embodiment in that: the main electromagnetic coil 6 and the auxiliary electromagnetic coil 7 are both cylindrical and both adopt a core-pulling and combined structure.
Preferably, main solenoid 6 is formed by processing of diameter 2mm, length 20m nickel chromium titanium alloy, auxiliary solenoid 7 is formed by processing of diameter 1mm, length 15m nickel chromium titanium alloy, electromagnetism soft magnet 8 is formed by processing of diameter 5mm, length 1m neodymium iron boron.
In actual use, the main electromagnetic coil 6 and the auxiliary electromagnetic coil 7 are both cylindrical, the electromagnetic soft magnet 8 is not in contact with the electromagnetic coils, safety and reliability are realized, heating time is short, and an energy-saving effect is good, so that the electromagnetic heating efficiency is higher than that of an electric heating pipe. The main electromagnetic coil 6 and the auxiliary electromagnetic coil 7 adopt a core-pulling and combined structure, when maintenance needs to be replaced, only part of rod cores need to be maintained and replaced, and the electromagnetic soft magnet enhances the electromagnetic heating effect. The main electromagnetic coil is a solenoid formed by processing nickel-chromium-titanium alloy with the diameter of 2mm and the length of 20m, the auxiliary electromagnetic coil is a solenoid formed by processing nickel-chromium-titanium alloy with the diameter of 1mm and the length of 15m, and the electromagnetic soft magnet is formed by processing neodymium-iron-boron with the diameter of 5mm and the length of 0.5-2 m, so that the heating effect is good.
Example six:
according to the crude oil electromagnetic heating rod of the oil pipeline shown in the figure 1, the difference from the first embodiment is that: a connecting flange 2 is arranged between the mounting short section 3 and the explosion-proof junction box 1; the explosion-proof junction box 1 is provided with a grounding protection 10.
When in actual use, the technical scheme is adopted, so that the heating process is safer.
Example seven:
the heating method of the crude oil electromagnetic heating rod of the oil pipeline shown in figure 2 comprises the following steps
The method comprises the following steps: electromagnetic heating rod for installing crude oil
Turning off the oil well of the oil pumping unit, inserting the crude oil electromagnetic heating rod of the oil pipeline into the central position of the oil pipeline, staying for 8-12 minutes, connecting an external power supply with a cable in a control cable outlet 9, completing wiring, checking and confirming the wiring correctness, and starting the oil well of the oil pumping unit;
step two: the crude oil electromagnetic heating rod starts to work
After the first step is completed and safety is confirmed according to the requirement of power transmission operation regulations, an external power supply starts to supply power, and the crude oil electromagnetic heating rod starts to work;
step three: crude oil electromagnetic heating rod data acquisition and control
When the second step is finished, the remote control terminal acquires temperature data through the temperature measuring pipe 4, when the temperature of the crude oil measured by the temperature measuring pipe is lower than the primary set temperature, the remote control terminal sends an instruction to simultaneously work the main electromagnetic coil and the auxiliary electromagnetic coil, and when the temperature of the crude oil measured by the temperature measuring pipe is lower than the secondary set temperature, the remote control terminal sends an instruction to work the main electromagnetic coil and stop working the auxiliary electromagnetic coil;
step four: crude oil electromagnetic heating rod stop
And when the temperature data acquired by the remote control terminal in the third step reaches the preset temperature, the crude oil electromagnetic heating rod stops heating.
Preferably, the residence time in step one is 10 minutes.
When in actual use, the heating body is started for 60 seconds, so that the temperature of the national standard metal pipeline can reach more than 100 ℃. The heat efficiency is up to more than 98%, under the same condition, the energy is saved by 30-80% compared with a resistance type heating mode, and the preheating time is shortened by 1/2-2/3. The electromagnetic heating device has no influence on a human body, and has no potential safety hazards such as electric leakage and the like and no possibility of overhigh temperature because of non-contact electromagnetic heating.
The technical parameters of the invention are as follows:
(1) rated working power supply: AC380V three-phase, 50 Hz;
(2) rated power: 20kw (single root);
(3) the thermal efficiency utilization rate is more than or equal to 0.98 percent;
(4) the heat load on the surface of the rod body is more than or equal to 1.0W/cm2；
(5) Insulation resistance: cold state is more than 200M omega, hot state is more than 0.2M omega;
(6) explosion-proof grade: IIB and IIC;
(7) protection grade: (IP) IP 65;
(8) and (3) corrosion resistance grade: WF, WF1, WF 2;
(9) jacket shell pressure: 1.5MPa does not leak and deform;
(10) protection element: temperature insurance, temperature switch, thermal resistor and thermocouple;
(12) the installation mode is as follows: standard flange, standard HG/T20592;
(13) specification of the electromagnetic heating rod: DN 50-DN 300;
(14) length of the electromagnetic heating rod: 0.5-2 m;
(15) the material of the sheath shell: stainless steel, titanium alloy.
The electromagnetic heating rod has the advantages of low investment cost, safety, reliability, high thermal efficiency, convenient maintenance and long service life.
Example eight:
according to the heating method of the electromagnetic heating rod for crude oil in the oil pipeline shown in FIG. 2, the difference from the sixth embodiment is that: in the second step, the first-stage set temperature is 40 ℃, and the second-stage set temperature is 50 ℃.
In practical use, when the crude oil temperature measured by the temperature measuring tube 4 is lower than the primary set temperature, the main electromagnetic coil 6 and the auxiliary electromagnetic coil 7 work simultaneously, and when the crude oil temperature measured by the temperature measuring tube 4 is lower than the secondary set temperature, the main electromagnetic coil 6 works and the auxiliary electromagnetic coil 7 stops working. Different heating control methods are adopted according to different oil temperatures, and compared with the traditional resistance type heater, the energy can be saved by more than 20%.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an oil pipeline crude oil electromagnetic heating stick which characterized in that: comprises that
The anti-explosion junction box comprises an anti-explosion junction box (1), wherein a control cable outlet (9) is formed in the side surface of the anti-explosion junction box (1);
the anti-explosion junction box comprises an installation short section (3), wherein one end of the installation short section (3) is connected with the anti-explosion junction box (1), a control cable is connected in the installation short section (3), and the control cable is connected with an external power supply through a control cable outlet (9);
the electromagnetic heating unit is connected to the other end of the mounting short section (3) and used for converting magnetic field energy into heat energy.
2. The electromagnetic heating rod for crude oil in oil pipelines according to claim 1, characterized in that: the remote control terminal is electrically connected with the electromagnetic heating unit.
3. The electromagnetic heating rod for crude oil in oil pipelines according to claim 1, characterized in that: the electromagnetic heating unit comprises a sheath shell (5), a main electromagnetic coil (6), an auxiliary electromagnetic coil (7) and an electromagnetic soft magnet (8); one end of the electromagnetic soft magnet (8) is connected with the other end of the mounting short section (3) through a cable; the main electromagnetic coil (6) and the auxiliary electromagnetic coil (7) are sequentially sleeved on the electromagnetic soft magnet (8) from outside to inside, a gap is formed between the electromagnetic coil (6) and the auxiliary electromagnetic coil (7), and one ends of the electromagnetic coil (6) and the auxiliary electromagnetic coil (7) are respectively connected with the mounting short section (3); the main electromagnetic coil (6), the auxiliary electromagnetic coil (7) and the electromagnetic soft magnet (8) are all arranged in the sheath shell (5).
4. The electromagnetic heating rod for crude oil in oil pipelines according to claim 3, characterized in that: also comprises a temperature measuring tube (4); the temperature measuring pipe (4) is connected with the mounting nipple (3) and is arranged in the sheath shell (5).
5. The heating method of the electromagnetic heating rod for crude oil in the oil pipeline according to claim 3, characterized in that: the main electromagnetic coil (6) and the auxiliary electromagnetic coil (7) are both cylindrical and both adopt a core-pulling and combined structure.
6. The heating method of the electromagnetic heating rod for crude oil in the oil pipeline according to claim 3, characterized in that: the main electromagnetic coil (6) is a solenoid formed by processing nickel-chromium-titanium alloy with the diameter of 2mm and the length of 20m, the auxiliary electromagnetic coil (7) is a solenoid formed by processing nickel-chromium-titanium alloy with the diameter of 1mm and the length of 15m, and the electromagnetic soft magnet (8) is formed by processing neodymium-iron-boron with the diameter of 5mm and the length of 1 m.
7. The electromagnetic heating rod for crude oil in oil pipelines according to claim 1, characterized in that: a connecting flange (2) is arranged between the mounting short section (3) and the explosion-proof junction box (1); and the explosion-proof junction box (1) is provided with a grounding protection (10).
8. The heating method of the crude oil electromagnetic heating rod of the oil pipeline is characterized by comprising the following steps
The method comprises the following steps: electromagnetic heating rod for installing crude oil
Turning off the oil well of the oil pumping unit, inserting the crude oil electromagnetic heating rod of the oil pipeline into the central position of the oil pipeline, staying for 8-12 minutes, connecting an external power supply with a cable in a control cable outlet (9), completing wiring, checking and confirming the wiring correctness, and starting the oil well of the oil pumping unit;
step two: the crude oil electromagnetic heating rod starts to work
After the first step is completed and safety is confirmed according to the requirement of power transmission operation regulations, an external power supply starts to supply power, and the crude oil electromagnetic heating rod starts to work;
step three: crude oil electromagnetic heating rod data acquisition and control
When the second step is finished, the remote control terminal acquires temperature data through the temperature measuring pipe (4), when the temperature of the crude oil measured by the temperature measuring pipe is lower than the primary set temperature, the remote control terminal sends an instruction to simultaneously work the main electromagnetic coil and the auxiliary electromagnetic coil, and when the temperature of the crude oil measured by the temperature measuring pipe is lower than the secondary set temperature, the remote control terminal sends an instruction to work the main electromagnetic coil and stop working the auxiliary electromagnetic coil;
step four: crude oil electromagnetic heating rod stop
And when the temperature data acquired by the remote control terminal in the third step reaches the preset temperature, the crude oil electromagnetic heating rod stops heating.
9. The heating method of the electromagnetic heating rod for crude oil in the oil pipeline according to claim 8, characterized in that: the residence time in the first step is 10 minutes.
10. The heating method of the electromagnetic heating rod for crude oil in the oil pipeline according to claim 8, characterized in that: in the second step, the first-stage set temperature is 40 ℃, and the second-stage set temperature is 50 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879731.0A CN110608371A (en) | 2019-09-18 | 2019-09-18 | Crude oil electromagnetic heating rod for oil pipeline and heating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879731.0A CN110608371A (en) | 2019-09-18 | 2019-09-18 | Crude oil electromagnetic heating rod for oil pipeline and heating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110608371A true CN110608371A (en) | 2019-12-24 |
Family
ID=68891418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910879731.0A Pending CN110608371A (en) | 2019-09-18 | 2019-09-18 | Crude oil electromagnetic heating rod for oil pipeline and heating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110608371A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120763A (en) * | 2020-01-07 | 2020-05-08 | 姜兴安 | Electromagnetic preheating device for crude oil conveying pipeline |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2830867Y (en) * | 2005-04-19 | 2006-10-25 | 新疆华易石油工程技术有限公司 | Electrical heater of crude oil |
| US20090092384A1 (en) * | 2007-08-09 | 2009-04-09 | Shimin Luo | High frequency induction heating instantaneous tankless water heaters |
| CN201234366Y (en) * | 2008-04-30 | 2009-05-06 | 沧州市电气控制设备厂 | Explosion prevention electromagnetic heater for petroleum |
| CN101469605A (en) * | 2008-01-11 | 2009-07-01 | 孙志强 | Multi-magnetic field constant temperature energy-saving electromagnetic de-waxing apparatus for oilfield |
| CN201682649U (en) * | 2010-05-25 | 2010-12-22 | 吴燕 | Oil tank anti-explosion electromagnetic heater |
| CN202998539U (en) * | 2012-12-07 | 2013-06-12 | 吴静 | Petroleum explosion-proof electromagnetic heating rod of petroleum tank |
| CN203022692U (en) * | 2012-12-22 | 2013-06-26 | 孙海龙 | Wellhead petroleum explosion-proof electromagnetic heater |
| CN203691669U (en) * | 2013-12-16 | 2014-07-02 | 河南油田亚盛电器有限责任公司 | Explosion-proof type electromagnetic heating rod for tank |
| CN203775450U (en) * | 2014-04-28 | 2014-08-13 | 大庆昌圣工程技术有限公司 | Pipeline electromagnetic heater |
| CN203857667U (en) * | 2014-03-17 | 2014-10-01 | 大庆昌圣工程技术有限公司 | Electromagnetic heater |
| CN206972201U (en) * | 2017-07-28 | 2018-02-06 | 山东聊城金泰节能科技有限公司 | Oil field energy saving explosion-proof electromagnetic heater |
| CN208113007U (en) * | 2018-05-08 | 2018-11-16 | 中国石油化工股份有限公司 | Explosion-proof electromagnetic heating tank |
| CN208473794U (en) * | 2018-06-20 | 2019-02-05 | 吴冰 | Petroleum gas explosion-proof electromagnetic heater |
| CN208502735U (en) * | 2018-06-20 | 2019-02-15 | 沧州市鑫联电气控制设备有限公司 | Oil jacket furnace formula petroleum gas electromagnetic heater |
| CN211118776U (en) * | 2019-09-18 | 2020-07-28 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Crude oil electromagnetic heating rod for oil pipeline |
-
2019
- 2019-09-18 CN CN201910879731.0A patent/CN110608371A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2830867Y (en) * | 2005-04-19 | 2006-10-25 | 新疆华易石油工程技术有限公司 | Electrical heater of crude oil |
| US20090092384A1 (en) * | 2007-08-09 | 2009-04-09 | Shimin Luo | High frequency induction heating instantaneous tankless water heaters |
| CN101469605A (en) * | 2008-01-11 | 2009-07-01 | 孙志强 | Multi-magnetic field constant temperature energy-saving electromagnetic de-waxing apparatus for oilfield |
| CN201234366Y (en) * | 2008-04-30 | 2009-05-06 | 沧州市电气控制设备厂 | Explosion prevention electromagnetic heater for petroleum |
| CN201682649U (en) * | 2010-05-25 | 2010-12-22 | 吴燕 | Oil tank anti-explosion electromagnetic heater |
| CN202998539U (en) * | 2012-12-07 | 2013-06-12 | 吴静 | Petroleum explosion-proof electromagnetic heating rod of petroleum tank |
| CN203022692U (en) * | 2012-12-22 | 2013-06-26 | 孙海龙 | Wellhead petroleum explosion-proof electromagnetic heater |
| CN203691669U (en) * | 2013-12-16 | 2014-07-02 | 河南油田亚盛电器有限责任公司 | Explosion-proof type electromagnetic heating rod for tank |
| CN203857667U (en) * | 2014-03-17 | 2014-10-01 | 大庆昌圣工程技术有限公司 | Electromagnetic heater |
| CN203775450U (en) * | 2014-04-28 | 2014-08-13 | 大庆昌圣工程技术有限公司 | Pipeline electromagnetic heater |
| CN206972201U (en) * | 2017-07-28 | 2018-02-06 | 山东聊城金泰节能科技有限公司 | Oil field energy saving explosion-proof electromagnetic heater |
| CN208113007U (en) * | 2018-05-08 | 2018-11-16 | 中国石油化工股份有限公司 | Explosion-proof electromagnetic heating tank |
| CN208473794U (en) * | 2018-06-20 | 2019-02-05 | 吴冰 | Petroleum gas explosion-proof electromagnetic heater |
| CN208502735U (en) * | 2018-06-20 | 2019-02-15 | 沧州市鑫联电气控制设备有限公司 | Oil jacket furnace formula petroleum gas electromagnetic heater |
| CN211118776U (en) * | 2019-09-18 | 2020-07-28 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Crude oil electromagnetic heating rod for oil pipeline |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120763A (en) * | 2020-01-07 | 2020-05-08 | 姜兴安 | Electromagnetic preheating device for crude oil conveying pipeline |
| CN111120763B (en) * | 2020-01-07 | 2022-03-22 | 东营市艾瑞斯环保科技有限公司 | Electromagnetic preheating device for crude oil conveying pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102322973A (en) | method for monitoring distribution transformer temperature on line | |
| CN211118776U (en) | Crude oil electromagnetic heating rod for oil pipeline | |
| CN108536906A (en) | A kind of bushing temperature field distribution method of the calculating containing connected structure | |
| CN110608371A (en) | Crude oil electromagnetic heating rod for oil pipeline and heating method | |
| CN104791986A (en) | Optical wave tube induction cooker water heater | |
| CN206540988U (en) | A kind of sleeve pipe paper oil insulation electric heating combines senile experiment device | |
| CN101128072A (en) | Skin electrical heating part | |
| CN202792499U (en) | Preheating device for oil tank | |
| CN204787287U (en) | Add fever type water heater water pipe | |
| CN204116436U (en) | A kind of extra-high voltage direct-current measurement mechanism with two sleeve radiating element | |
| CN210291116U (en) | Electromagnetic and resistance combined type pipeline heating device | |
| CN201374826Y (en) | Electric heating tube device internally provided with thermal protection switch component | |
| CN203476304U (en) | Electric heater for downhole crude oil heating | |
| CN203691669U (en) | Explosion-proof type electromagnetic heating rod for tank | |
| CN210243799U (en) | System capable of improving test reliability of fuel cell | |
| CN111928475A (en) | Electromagnetic induction heating structure | |
| CN203070875U (en) | Transformer winding thermostat | |
| CN204142850U (en) | The proving installation of air conditioner room unit electrical safety | |
| CN201418165Y (en) | Multi-functional flexible induction heater | |
| CN201467501U (en) | Flexible pipeline electromagnetic induction heater | |
| CN210004128U (en) | Heating device for heating B10 tube drawing lubricating oil in winter | |
| CN212511776U (en) | Electromagnetic induction heating structure | |
| CN214639073U (en) | A standardized normal position thermal desorption heating element for accurate heating | |
| CN210399485U (en) | Thick film induction quick-heating water heating device | |
| CN200987223Y (en) | Interior heat type pipe electromagnetic heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201202 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: 710018 Shaanxi city of Xi'an province Weiyang District four road Fengcheng Changqing Technology Building Applicant before: CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED ENGINEERING TECHNOLOGY Research Institute Applicant before: XI'AN CHUANQIN PETROLEUM TECHNOLOGY Co.,Ltd. |