CN212535612U - High-frequency crude oil wellhead heating system - Google Patents
High-frequency crude oil wellhead heating system Download PDFInfo
- Publication number
- CN212535612U CN212535612U CN202021186765.6U CN202021186765U CN212535612U CN 212535612 U CN212535612 U CN 212535612U CN 202021186765 U CN202021186765 U CN 202021186765U CN 212535612 U CN212535612 U CN 212535612U
- Authority
- CN
- China
- Prior art keywords
- crude oil
- outer arc
- arc plate
- clamping
- plate
- 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.)
- Active
Links
Images
Landscapes
- General Induction Heating (AREA)
Abstract
The utility model relates to a high-frequency crude oil well mouth heating system, including two semi-tubular half shells and a plurality of support cores evenly erected in the half shells, two half shells are mutually buckled and form a circular channel which can be clamped on an oil pipeline at the center of the half shells after being fixed by bolts and buckled, the half shells comprise two fan-shaped end plates, an outer arc plate and a side plate, wherein the two ends of the length direction of the outer arc plate are respectively connected with the outer arc edge of the end plate, the side plate is connected with the straight edge of the outer arc plate, and the side plate is provided with a fixed hole; the supporting core is arranged along the length direction of the half shell, an electromagnetic induction coil is wound on the supporting core, and the electromagnetic induction coil is connected with a high-frequency heating controller; the utility model discloses longe-lived, efficient not only has good fire prevention, explosion-proof advantage, also has low in labor strength, easy maintenance's advantage moreover, can realize converting the energy more than 90% of electric energy into heat energy, and comprehensive benefit is high.
Description
Technical Field
The utility model belongs to the technical field of the crude oil heating, concretely relates to high frequency crude oil well head heating system.
Background
The petroleum needs to be transported after being extracted from the ground, but the crude oil contains high molecular components such as asphalt, paraffin and the like, and the high molecular components are condensed into solid at the temperature of below 30 ℃ and are not favorable for flowing, so that the transportation of the crude oil is very unfavorable. In order to transport large amounts of crude oil to storage stations, the crude oil from the surface is typically first heated to about 60 ℃ and transported to storage stations, and then transported by other means to refineries for further processing. Therefore, the existing oil production well head generally adopts a crude oil heating device, and the purpose of the crude oil heating device is to increase the temperature of crude oil so as to increase the fluidity of the crude oil for transportation.
At present, the commonly adopted methods comprise a water jacket furnace method and an electric heating tube heating method, but the water jacket furnace needs to increase the investment of a boiler and other equipment, the heating process belongs to open fire heating, and potential safety hazards exist; although the electric heating tube has low cost, convenient installation and high thermal efficiency, the surface of the resistance wire is easy to scale, and the maintenance frequency is high, so a novel crude oil heating mode is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art and providing a high frequency crude oil well head heating system.
The technical scheme of the utility model as follows:
the high-frequency crude oil wellhead heating system comprises two semi-tubular half shells and a plurality of supporting cores uniformly erected in the half shells, wherein the two half shells are mutually buckled and form a circular channel which can be clamped on an oil conveying pipe at the center of the half shells after being fixed by bolts, each half shell comprises two fan-shaped end plates, an outer arc plate and a side plate, the two ends of each fan-shaped end plate in the length direction are respectively connected with the outer arc edge of each end plate, the side plate is connected to the straight edge of each outer arc plate, and the side plates are provided with fixing holes; the support core is arranged along the length direction of the half shell, an electromagnetic induction coil is wound on the support core, and the electromagnetic induction coil is connected with a high-frequency heating controller.
Furthermore, at least one through hole is formed in the half shell, and the through hole is located in the end plate or the outer arc plate.
Furthermore, the inner wall of the end plate is welded with a fixing ring corresponding to the support core, and two ends of the support core are fixed in the fixing ring.
Furthermore, the support core is inserted into or connected with a key or connected with the fixing ring in a threaded manner, and when the support core is installed, the support core is fixed in the fixing ring, and then the fixing ring is welded in the half shell.
Furthermore, a clamping plate is arranged at a position, close to the end plate, on the inner side of the outer arc plate, a fan-shaped cavity is defined by the clamping plate, the end plate and the outer arc plate, a clamping block matched with the fan-shaped cavity in shape is arranged in the fan-shaped cavity, clamping holes are formed in the clamping block corresponding to the support core, the support core is inserted into or connected with the clamping holes in a buckling mode, a circular passageway capable of being clamped on an oil pipeline in a wrapping mode is formed in the centers of the two clamping blocks after the two clamping blocks are buckled with each other, and the support core is made of hard insulating materials and can be an insulating hollow pipe, a wood bar, a plastic pipe and.
Furthermore, at least one group of limiting component groups is arranged on the opposite end surfaces of the two clamping blocks, and each limiting component group comprises a protruding part arranged on one clamping block and a groove part arranged on the other clamping block and matched with the protruding part.
Furthermore, the fixture block positioned above the two fixture blocks is an upper fixture block, the fixture block positioned below the upper fixture block is a lower fixture block, and the contact surface of the upper fixture block and the lower fixture block is an inclined surface which is inclined upwards along the inner and outer directions of the half shell.
Furthermore, the semi-shell still includes an inner arc board and a slat with defeated oil pipe external diameter adaptation, the both ends of inner arc board length direction are connected with the inner arc limit of end plate, the four sides of slat are connected respectively on the straight line limit of outer arc board, the straight line limit of inner arc board and the straight line edge of two end plates, inner arc board, outer arc board and slat enclose into a confined cavity.
Furthermore, an electromagnetic shielding layer is arranged on the inner wall of the outer arc plate.
The working principle of the utility model is that, the polarity molecule changes its polarity along with the change of the external electric field in the high-frequency electric field, and in the process of the change, the molecules collide with each other to generate heat, and water is the polarity molecule, and in each oil field in China, the crude oil extracted contains a certain amount of water, just because of the water contained in the crude oil, the water in the crude oil can be heated by the high-frequency electric field, and the heated water transfers the heat to the crude oil in the modes of heat conduction and heat convection, thereby achieving the purpose of heating the crude oil; the eddy current generated by the oil pipeline of ferromagnetic substance under the action of high-frequency linear magnetic field can make the metal material self-heat at high speed, when the crude oil is flowed, the heat of oil pipeline can be transferred to crude oil to raise the temperature of crude oil so as to attain the goal of heating crude oil.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses utilize the high frequency electromagnetic induction principle to realize the heating of crude oil, ensure that the pipeline can not solidify because of heating the problem messenger oil pipeline to appear solidifying, the jam phenomenon of crude oil in the pipeline, compare with traditional heating method, the utility model discloses longe-lived, efficient not only has good fire prevention, explosion-proof advantage, but also has low in labor strength, easy maintenance's advantage, can realize converting more than 90% energy of electric energy into heat energy, comprehensive benefit is high;
different from the high-frequency heating system which directly winds the coil on the oil pipeline in the prior art, the utility model discloses fix the electromagnetic induction coil directly in the half shell, the high-frequency electric field line that a plurality of electromagnetic induction coils produced can pass through the oil pipeline from outside to inside, heat the moisture in the crude oil flowing in the oil pipeline and the oil pipeline, realize the rapid heating of crude oil, and this device can be directly buckled and installed on the pipeline, need not to wind the coil on the oil pipeline when installing a circle, save the on-the-spot installation time, reduce the human cost, improve the installation effectiveness; the half shell serves as a carrier of the coil, is convenient for the field installation of the electromagnetic induction coil, and has the functions of protecting the electromagnetic induction coil and shielding electromagnetism at the periphery.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a half shell according to an embodiment of the present invention.
Fig. 3 is a schematic view illustrating an installation of the fixing ring according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a fixture block structure according to an embodiment of the present invention.
Fig. 5 is a schematic view of a fixture block according to another embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a fixture block according to another embodiment of the present invention.
Fig. 7 is a schematic structural view of a half shell according to another embodiment of the present invention.
In the drawing, an outer arc plate (1), a fixing hole (2), a side plate (3), an end plate (4), a half shell (5), a through hole (6), a support core (7), an electromagnetic induction coil (8), a clamping plate (9), an oil conveying pipe (10), an inner arc plate (11), a batten (12), a clamping block (13), a clamping hole (14), an upper clamping block (15), a groove part (16) and an inclined plane (17).
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 2, the high-frequency crude oil wellhead heating system comprises two semi-tubular half shells 5 and a plurality of support cores 7 uniformly erected in the half shells 5, wherein the two half shells 5 are mutually fastened and fixed by bolts, a circular channel capable of being clamped on an oil pipeline 10 is formed in the center of the half shell 5 after being fastened, each half shell 5 comprises two fan-shaped end plates 4, an outer arc plate 1 with two ends in the length direction respectively connected with the outer arc edge of the end plate 4, and a side plate 3 connected to the straight edge of the outer arc plate 1, and a fixing hole 2 is formed in the side plate 3; the supporting core 7 is arranged along the length direction of the half shell 5, and an electromagnetic induction coil 8 is wound on the supporting core 7; the supporting core 7 is made of hard insulating materials, such as insulating hollow pipes, wood bars, plastic pipes and the like; the electromagnetic induction coil 8 is connected with a high-frequency heating controller, the high-frequency heating controller adopts a high-frequency heating control device in the prior art, the high-frequency heating controller rectifies industrial alternating current into direct current, then converts the direct current into high-frequency electricity with the frequency of 16-18kHz, and high-frequency high-voltage current changing at high speed flows through the electromagnetic induction coil 8 to generate an alternating magnetic field changing at high speed.
Further, as shown in fig. 1 to 2, at least one through hole 6 is formed in the half shell 5, the through hole 6 is located on the end plate 4 or the outer arc plate 1, and the through hole 6 is used for the electromagnetic induction coil 88 to pass through so as to connect the electromagnetic induction coil to the high-frequency heating controller.
Furthermore, an electromagnetic shielding layer is arranged on the inner wall of the outer arc plate 1, the electromagnetic shielding layer is used for reducing the radiation degree of the induction magnetic field to the environment, and the material of the electromagnetic shielding layer can be an electromagnetic shielding film, an electromagnetic shielding net, an electromagnetic shielding coating layer and the like in the prior art.
In one embodiment, as shown in fig. 3, a fixing ring is welded on the inner wall of the end plate 4 corresponding to the support core 7, and both ends of the support core 7 are fixed in the fixing ring; the support core 7 is plugged or keyed or screwed into the retaining ring, and during the installation, the support core 7 is first fixed in the retaining ring, which is then welded into the half-shell 5.
In one embodiment, as shown in fig. 2, 4, 5, and 6, a clamping plate 9 is disposed at a position close to an end plate 4 inside an outer arc plate 1, the clamping plate 9 is a narrow fan-shaped plate, the clamping plate 9, the end plate 4, and the outer arc plate 1 enclose a fan-shaped cavity, a clamping block 13 matching with the fan-shaped cavity is disposed in the fan-shaped cavity, a clamping hole 14 is disposed on the clamping block 13 corresponding to a support core 7, the support core 7 is inserted or snapped into the clamping hole 14, two clamping blocks 13 are snapped with each other to form a circular passageway capable of being wrapped and clamped on an oil pipeline 10 at the center of the two clamping blocks 13, the circular passageway and the circular passageway have the same inner diameter, and both the circular passageway and the circular passageway are used for the oil pipeline; when the supporting core 7 is installed, firstly, the supporting core 7 is fixed in the fixture block 13, then, the fixture block 13 is plugged into the sector cavity to be fixed, so that the supporting core 7 is fixed, and then, the two half shells 5 with the supporting core 7 are buckled and fixed; or fixing the support core 7 in the fixture block 13, then inserting a set of fixture blocks 13 with the support core 7 into the sector cavity of one half shell 5 for fixation, aligning the opening of the half shell 5 upwards on the oil pipeline 10, aligning another set of fixture blocks 13 with the support core 7 on the fixture blocks 13 of the half shell 5, and finally covering the other half shell 5 outside the fixture blocks 13 and fixing the two shell bolts and nuts.
In one embodiment, as shown in fig. 5, at least one set of limiting members is disposed on the opposite end surfaces of the two latch blocks 13, the set of limiting members includes a protrusion portion disposed on one latch block 13 and a groove portion 16 disposed on the other latch block 13 and adapted to the protrusion portion, and the protrusion portion and the groove portion 16 are uniformly located on the contact surfaces of the two latch blocks 13 to facilitate the alignment of the two latch blocks 13.
In one embodiment, as shown in fig. 6, it is noted that the latch 13 located above of the two latches 13 is an upper latch 15, and the latch 13 located below is a lower latch, and the contact surface of the upper latch 15 and the lower latch is an inclined surface 17 inclined upward along the inside-outside direction of the half shell 5.
In one embodiment, as shown in fig. 7, the half shell 5 further includes an inner arc plate 11 and a slat 12 adapted to the outer diameter of the oil pipeline 10, two ends of the inner arc plate 11 in the length direction are connected to the inner arc edges of the end plates 4, four edges of the slat 12 are respectively connected to the straight edges of the outer arc plate 1, the straight edges of the inner arc plate 11, and the straight edges of the two end plates 4, and the two end plates 4, the inner arc plate 11, the outer arc plate 1, and the slat 12 enclose a closed cavity.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. High frequency crude oil well head heating system, its characterized in that: the oil pipeline semi-shell comprises two semi-tubular semi-shells and a plurality of supporting cores uniformly erected in the semi-shells, wherein the two semi-shells are mutually buckled and fixed through bolts, a circular channel capable of being clamped on an oil pipeline is formed in the center of each semi-shell after being buckled, each semi-shell comprises two fan-shaped end plates, an outer arc plate and a side plate, the two ends of each semi-shell in the length direction are respectively connected with the outer arc edge of each end plate, the side plate is connected to the straight line edge of each outer arc plate, and fixing holes are formed in the side plates; the support core is arranged along the length direction of the half shell, and an electromagnetic induction coil is wound on the support core.
2. The high frequency crude oil wellhead heating system according to claim 1, wherein: at least one through hole is formed in the half shell, and the through hole is located on the end plate or the outer arc plate.
3. The high frequency crude oil wellhead heating system according to claim 1, wherein: the inner wall of the end plate is welded with a fixing ring corresponding to the support core, and two ends of the support core are fixed in the fixing ring.
4. The high frequency crude oil wellhead heating system according to claim 1, wherein: the oil pipe clamping device is characterized in that clamping plates are arranged at positions, close to the end plates, of the inner sides of the outer arc plates, a fan-shaped cavity is defined by the clamping plates, the end plates and the outer arc plates, clamping blocks matched with the fan-shaped cavity in shape are arranged in the fan-shaped cavity, clamping holes are formed in the clamping blocks corresponding to the supporting cores, the supporting cores are inserted into the clamping holes or connected with the clamping holes in a buckling mode, and a circular passageway capable of being clamped on an oil pipe in a wrapping mode is formed in the centers of the two clamping blocks after the two clamping.
5. The high frequency crude oil wellhead heating system according to claim 4, characterized in that: at least one group of limiting component groups are arranged on the opposite end surfaces of the two clamping blocks, and each limiting component group comprises a protruding part arranged on one clamping block and a groove part arranged on the other clamping block and matched with the protruding part.
6. The high frequency crude oil wellhead heating system according to claim 4, characterized in that: the upper fixture block of the two fixture blocks is an upper fixture block, the lower fixture block is a lower fixture block, and the contact surface of the upper fixture block and the lower fixture block is an inclined surface which is inclined upwards along the inner and outer directions of the half shell.
7. The high frequency crude oil wellhead heating system according to claim 1, wherein: the semi-shell body further comprises an inner arc plate and a batten, the inner arc plate and the batten are matched with the outer diameter of the oil conveying pipe, the two ends of the inner arc plate in the length direction are connected with the inner arc edges of the end plates, the four edges of the batten are connected to the straight edge of the outer arc plate, the straight edge of the inner arc plate and the straight edges of the two end plates respectively, and the two end plates, the inner arc plate, the outer arc plate and the batten form a closed cavity in a surrounding mode.
8. The high frequency crude oil wellhead heating system according to claim 1, wherein: and an electromagnetic shielding layer is arranged on the inner wall of the outer arc plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186765.6U CN212535612U (en) | 2020-06-23 | 2020-06-23 | High-frequency crude oil wellhead heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186765.6U CN212535612U (en) | 2020-06-23 | 2020-06-23 | High-frequency crude oil wellhead heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212535612U true CN212535612U (en) | 2021-02-12 |
Family
ID=74546442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021186765.6U Active CN212535612U (en) | 2020-06-23 | 2020-06-23 | High-frequency crude oil wellhead heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212535612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021260455A1 (en) * | 2020-06-23 | 2021-12-30 | Joslyn Energy Development Incorporated | Extraction from a formation with induction heating |
| CN116294215A (en) * | 2023-03-29 | 2023-06-23 | 绵阳禾本生物工程有限公司 | Air heater, stoving hold device |
-
2020
- 2020-06-23 CN CN202021186765.6U patent/CN212535612U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021260455A1 (en) * | 2020-06-23 | 2021-12-30 | Joslyn Energy Development Incorporated | Extraction from a formation with induction heating |
| CN116294215A (en) * | 2023-03-29 | 2023-06-23 | 绵阳禾本生物工程有限公司 | Air heater, stoving hold device |
| CN116294215B (en) * | 2023-03-29 | 2023-11-03 | 绵阳禾本生物工程有限公司 | Air heater, stoving hold device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212535612U (en) | High-frequency crude oil wellhead heating system | |
| EP3957895B1 (en) | Oilfield petroleum gathering pipeline heating and heat preservation graphene sleeve | |
| CN103620709A (en) | Dry distribution transformer | |
| CN105485891A (en) | Induction heater with closed magnetic circuit | |
| CN201119036Y (en) | Electro-magnetic inductance heater for plasticizer | |
| CN102937329A (en) | Efficient heating device | |
| CN201688691U (en) | Water cooling-free intermediate frequency furnace of inductor | |
| CN203871141U (en) | Double-water-cooling high-frequency single-phase transformer | |
| CN209909407U (en) | Graphene heating insulation sleeve for oil field petroleum gathering and transportation pipeline | |
| CN209839313U (en) | Valve rod companion heat preservation device | |
| CN103269534B (en) | Flexible fabricated induction heater | |
| CN203015161U (en) | Haversian type electromagnetic heater | |
| CN206957649U (en) | Reducing thick oil viscosity heater and reducing thick oil viscosity heating system | |
| CN202998539U (en) | Petroleum explosion-proof electromagnetic heating rod of petroleum tank | |
| RU2522097C2 (en) | Concrete heating method, electric heater for implementation of method, inductive heating element of electric heater and method for heating element manufacturing | |
| CN209960740U (en) | Corrosion-resistant electric heating device and heating system | |
| CN211372745U (en) | Intelligent oil well oil storage tank electric heating device | |
| CN210780241U (en) | Magnetizer for motor | |
| RU123908U1 (en) | INDUCTION HEATING ELEMENT | |
| CN218069592U (en) | Multilayer connecting ring structure of dry-type air-core reactor | |
| CN203022692U (en) | Wellhead petroleum explosion-proof electromagnetic heater | |
| RU121558U1 (en) | ELECTRIC HEATER FOR HEATING CONCRETE | |
| CN214756980U (en) | Electromagnetic induction heating pipeline for transformer oil | |
| CN207340219U (en) | A kind of intermediate frequency fused salt electric heater unit based on annular tube bundle heater | |
| CN2457836Y (en) | Electromagnetic eddy current heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |