Explosion-proof electromagnetic heater for crude oil in oil field

Abstract

The utility model discloses an explosion-proof electromagnetic heater for crude oil in an oil field, which comprises an explosion-proof door plate arranged on one side of an electromagnetic heater cabinet body, and a heater machine core, a power supply mainboard and a control module are arranged in the electromagnetic heater cabinet body. The lower end of the electromagnetic heater cabinet body and the outer part of one end of the crude oil heating pipeline are respectively provided with an explosion-proof joint, and an electromagnetic output line and a galvanic couple connecting line are led out from the explosion-proof joints; the supporting insulation pipe is arranged in the crude oil heating pipeline, an electromagnetic heating wire is arranged outside the supporting insulation pipe, and the electromagnetic heating wire and the electromagnetic heater cabinet body are led out from an anti-explosion connector through an electromagnetic output wire to be connected to the crude oil heating pipeline. According to the electromagnetic heater, eddy current is generated in the crude oil heating pipeline through electromagnetic induction to heat crude oil, a heat source makes full contact with the crude oil, the crude oil is evenly heated, the heating efficiency is high through electromagnetic heating, the heating temperature is convenient to control, and the crude oil heating effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic heaters, in particular to an explosion-proof electromagnetic heater for crude oil in an oil field. Background Art

[0002] Electromagnetic heaters are the most widely used heating method in today's industrial and civilian sectors. They utilize electromagnetic heating technology, also known as IH technology. This technology is developed based on Faraday's law of induction and is an application of the law. Essentially, they utilize electromagnetic induction to generate eddy currents within a column to electrically heat the workpiece. This process converts electrical energy into electromagnetic energy, which in turn is converted back into electrical energy. This energy is then converted into thermal energy within the metal, achieving the desired effect. This eliminates the hazards and interference of open flames during the heating process.

[0003] Patent publication number CN206972201U, with a grant announcement date of February 6, 2018, describes an energy-saving, explosion-proof electromagnetic heating device for oil fields. The device includes an electromagnetic heating cabinet and an electromagnetic heater. The cabinet is explosion-proof and contains a leakage air switch, an AC contactor, a voltage and current display, a reactive power compensation element, and an overheating protection relay. A power switch operating handle and an AC contactor control switch operating handle are located outside the cabinet. The electromagnetic heater has an explosion-proof housing housing an internal magnetic heat exchanger and an external magnetic heat exchanger. The internal magnetic heat exchanger is flange-connected to the crude oil inlet pipeline. The upper left portion of the external magnetic heat exchanger has an opening for connection to the crude oil outlet pipeline. A temperature-controlled explosion-proof junction box is installed on the crude oil outlet pipeline, housing a temperature controller. This device achieves high thermal efficiency, low energy consumption, low failure rate, and maintenance-free operation.

[0004] Existing crude oil pipelines use resistance wire heating. The heat generated by the resistance wire is transferred from the inside to the outside. During heating, the contact between the heat source and the crude oil is uneven, which will cause uneven heating of the crude oil and reduce the heating effect of the crude oil. In addition, the explosion-proof performance of the heating structure is poor, the heating efficiency is low, the energy consumption is high, the failure rate is high, and the temperature is difficult to control, which cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide an explosion-proof electromagnetic heater for crude oil in an oil field, so as to solve the problems proposed in the above background technology that the existing crude oil transportation pipeline adopts the method of heating with a resistance wire. The heat generated by the resistance wire is transferred from the inside to the outside. During heating, the contact between the heat source and the crude oil is uneven, which will cause uneven heating of the crude oil and reduce the heating effect of the crude oil. In addition, the explosion-proof performance of the heating structure is poor, the heating efficiency is low, the energy consumption is high, the failure rate is high, the temperature is difficult to control, and it cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an oilfield crude oil explosion-proof electromagnetic heater, comprising an electromagnetic heater cabinet and a crude oil heating pipeline, and further comprising:

[0007] An explosion-proof door panel is provided on one side of the electromagnetic heater cabinet, and the explosion-proof door panel is connected to the electromagnetic heater cabinet by screws. A heater core, a power supply mainboard and a control module are provided inside the electromagnetic heater cabinet, and the heater core, the power supply mainboard and the control module are all connected to the electromagnetic heater cabinet by screws. The heater core, the power supply mainboard and the control module are electrically connected. An explosion-proof joint is provided on the lower end of the electromagnetic heater cabinet and the outside of one end of the crude oil heating pipeline, and the explosion-proof joint is fixedly connected to the electromagnetic heater cabinet and the crude oil heating pipeline, and the explosion-proof joint leads to the electromagnetic output line and the thermocouple connection line;

[0008] A supporting insulating tube is arranged inside the crude oil heating pipeline. An electromagnetic heating wire is arranged on the outside of the supporting insulating tube, and the electromagnetic heating wire is spirally wound and connected to the outside of the supporting insulating tube. The electromagnetic heating wire and the electromagnetic heater cabinet are connected to the crude oil heating pipeline through an electromagnetic output wire led out from the explosion-proof joint.

[0009] Preferably, a support plate is provided between the supporting insulating tube and the crude oil heating pipeline, and the support plate is fixedly connected to the crude oil heating pipeline and the supporting insulating tube.

[0010] Preferably, an operation panel, a handle, a switch mechanism, a thermostat and an operation indicator light are provided on one side of the explosion-proof door panel, and the operation panel, the handle, the switch mechanism, the thermostat and the operation indicator light are connected to the explosion-proof door panel by screws, and the operation panel, the handle, the switch mechanism, the thermostat and the operation indicator light are electrically connected to the control module.

[0011] Preferably, a first thermocouple is provided inside the electromagnetic heater cabinet, and the first thermocouple is connected to the electromagnetic heater cabinet by screws, the first thermocouple is electrically connected to the control module, a second thermocouple is provided inside the supporting insulating tube, and the second thermocouple and the electromagnetic heater cabinet are connected to the crude oil heating pipeline through an electric couple connecting wire led out from the explosion-proof joint.

[0012] Preferably, a connecting and fixing flange is provided on the outside of the crude oil heating pipeline, at least three connecting and fixing flanges are provided, and the connecting and fixing flanges are fixedly connected to the crude oil heating pipeline.

[0013] Preferably, a radiator is provided on the back of the lower end of the electromagnetic heater cabinet, and the radiator is connected to the electromagnetic heater cabinet by screws. An explosion-proof fan is provided on one side of the radiator, and the explosion-proof fan is connected to the radiator by screws.

[0014] Preferably, a hanging ring is provided above the electromagnetic heater cabinet, two hanging rings are provided, and the hanging rings are fixedly connected to the electromagnetic heater cabinet, and a mounting seat is provided below the electromagnetic heater cabinet, two mounting seats are provided, and the mounting seat is fixedly connected to the electromagnetic heater cabinet.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This utility model device comprises a heater core, an electromagnetic output line, a supporting insulating tube, a supporting plate, and an electromagnetic heating line. The heater core and the electromagnetic output line control the heating of the electromagnetic heating line, which heats the crude oil in the crude oil heating pipeline. The electromagnetic heating line is spirally wound around the outside of the supporting insulating tube, increasing the heated area and better heating the crude oil. The supporting plate strengthens the connection between the supporting insulating tube and the crude oil heating pipeline, ensuring that the supporting insulating tube is located at the center of the crude oil heating pipeline, thereby evenly heating the crude oil in the crude oil heating pipeline.

[0017] 2. The utility model device is equipped with a first thermocouple and a second thermocouple. The first thermocouple measures the temperature inside the electromagnetic heater cabinet to prevent the electromagnetic heater from overheating. The second thermocouple measures the crude oil temperature in the crude oil heating pipeline and promptly feeds back the crude oil temperature, making it convenient to control the heating temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a diagram showing the connection between the electromagnetic heater and the crude oil heating pipeline of the utility model;

[0020] Figure 3 This is the front view of the explosion-proof door panel of the utility model;

[0021] Figure 4 It is a side view of the utility model;

[0022] Figure 5 For the utility model Figure 2 A partial enlarged view of area A;

[0023] Figure 6 This is a diagram showing the connection between the supporting insulating pipe and the crude oil heating pipeline of the utility model.

[0024] In the figure: 1. Electromagnetic heater cabinet; 2. Explosion-proof door panel; 3. Lifting ring; 4. Mounting base; 5. Radiator; 6. Explosion-proof fan; 7. Electromagnetic output line; 8. Thermocouple connecting line; 9. Explosion-proof connector; 10. Crude oil heating pipeline; 11. Heater core; 12. Operation panel; 13. Power supply main board; 14. Control module; 15. First thermocouple; 16. Support insulating tube; 17. Support plate; 18. Electromagnetic heating line; 19. Connecting and fixing flange; 20. Second thermocouple; 21. Handle; 22. Switch mechanism; 23. Thermostat; 24. Operation indicator light. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] See also Figure 1-6 The utility model provides an embodiment of an oilfield crude oil explosion-proof electromagnetic heater, comprising an electromagnetic heater cabinet 1 and a crude oil heating pipeline 10, and further comprising:

[0027] An explosion-proof door panel 2 is provided on one side of the electromagnetic heater cabinet 1, and the explosion-proof door panel 2 is connected to the electromagnetic heater cabinet 1 by screws. A heater core 11, a power supply mainboard 13 and a control module 14 are provided inside the electromagnetic heater cabinet 1, and the heater core 11, the power supply mainboard 13 and the control module 14 are all connected to the electromagnetic heater cabinet 1 by screws. The heater core 11, the power supply mainboard 13 and the control module 14 are electrically connected. An explosion-proof joint 9 is provided on the outside of the lower end of the electromagnetic heater cabinet 1 and one end of the crude oil heating pipeline 10, and the explosion-proof joint 9 is fixedly connected to the electromagnetic heater cabinet 1 and the crude oil heating pipeline 10. The explosion-proof joint 9 leads to the electromagnetic output line 7 and the thermocouple connection line 8;

[0028] A supporting insulating tube 16 is arranged inside the crude oil heating pipeline 10. An electromagnetic heating wire 18 is arranged outside the supporting insulating tube 16, and the electromagnetic heating wire 18 is spirally wound and connected to the outside of the supporting insulating tube 16. The electromagnetic heating wire 18 and the electromagnetic heater cabinet 1 are connected to the crude oil heating pipeline 10 through the electromagnetic output line 7 led out from the explosion-proof joint 9.

[0029] When in use, the electromagnetic heater is turned on, and the electromagnetic heating wire 18 is controlled to generate heat through the electromagnetic output line 7. Electromagnetic induction is used to generate eddy currents inside the crude oil heating pipe 10 to heat the crude oil. The heated electromagnetic heating wire 18 heats the crude oil in the crude oil heating pipe 10. The heat source is in full contact with the crude oil, so that the crude oil is evenly heated, thereby improving the crude oil heating effect.

[0030] See also Figure 2、 Figure 5 and Figure 6 A support plate 17 is provided between the supporting insulating tube 16 and the crude oil heating pipeline 10, and the supporting plate 17 is fixedly connected to the crude oil heating pipeline 10 and the supporting insulating tube 16. The support plate 17 increases the structural strength of the connection between the supporting insulating tube 16 and the crude oil heating pipeline 10, ensuring that the supporting insulating tube 16 is located at the center of the crude oil heating pipeline 10, and evenly heating the crude oil in the crude oil heating pipeline 10.

[0031] See also Figure 1 and Figure 3 An operation panel 12, a handle 21, a switch mechanism 22, a thermostat 23 and an operation indicator light 24 are provided on one side of the explosion-proof door panel 2, and the operation panel 12, the handle 21, the switch mechanism 22, the thermostat 23 and the operation indicator light 24 are connected to the explosion-proof door panel 2 by screws, and the operation panel 12, the handle 21, the switch mechanism 22, the thermostat 23 and the operation indicator light 24 are electrically connected to the control module 14.

[0032] See also Figure 1 and Figure 2 A first thermocouple 15 is provided inside the electromagnetic heater cabinet 1, and the first thermocouple 15 is connected to the electromagnetic heater cabinet 1 by screws. The first thermocouple 15 is electrically connected to the control module 14. A second thermocouple 20 is provided inside the supporting insulating tube 16. The second thermocouple 20 and the electromagnetic heater cabinet 1 are connected to the crude oil heating pipeline 10 through the thermocouple connecting line 8 led out from the explosion-proof joint 9. The first thermocouple 15 is used to measure the temperature inside the electromagnetic heater cabinet 1 to prevent the electromagnetic heater from overheating. The second thermocouple 20 measures the crude oil temperature in the crude oil heating pipeline 10 and promptly feeds back the crude oil temperature to facilitate control of the heating temperature.

[0033] See also Figure 2 The outside of the crude oil heating pipeline 10 is provided with a connecting fixing flange 19. There are at least three connecting fixing flanges 19, and the connecting fixing flanges 19 are fixedly connected to the crude oil heating pipeline 10. The crude oil heating pipeline 10 can be connected, installed and used through the connecting fixing flanges 19.

[0034] See also Figure 1 and Figure 4 A radiator 5 is provided on the back of the lower end of the electromagnetic heater cabinet 1, and the radiator 5 is connected to the electromagnetic heater cabinet 1 by screws. An explosion-proof fan 6 is provided on one side of the radiator 5, and the explosion-proof fan 6 is connected to the radiator 5 by screws. The heat in the electromagnetic heater cabinet 1 is discharged and released through the radiator 5, and the explosion-proof fan 6 accelerates the air flow on one side of the radiator 5 to accelerate the heat dissipation.

[0035] See also Figure 1 and Figure 4A lifting ring 3 is provided above the electromagnetic heater cabinet 1, and there are two lifting rings 3, which are fixedly connected to the electromagnetic heater cabinet 1. A mounting base 4 is provided below the electromagnetic heater cabinet 1, and there are two mounting bases 4, which are fixedly connected to the electromagnetic heater cabinet 1. The electromagnetic heater is fixedly installed through the mounting base 4, and the lifting ring 3 is used to facilitate the lifting and transportation of the electromagnetic heater.

[0036] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oilfield crude oil explosion-proof electromagnetic heater, comprising an electromagnetic heater cabinet (1) and a crude oil heating pipe (10), characterized in that: Also includes: An explosion-proof door panel (2) is provided on one side of the electromagnetic heater cabinet (1), and the explosion-proof door panel (2) is connected to the electromagnetic heater cabinet (1) by screws. A heater core (11), a power supply mainboard (13) and a control module (14) are provided inside the electromagnetic heater cabinet (1), and the heater core (11), the power supply mainboard (13) and the control module (14) are all connected to the electromagnetic heater cabinet (1) by screws. The heater core (11), the power supply mainboard (13) and the control module (14) are electrically connected. An explosion-proof joint (9) is provided on the outside of the lower end of the electromagnetic heater cabinet (1) and one end of the crude oil heating pipeline (10), and the explosion-proof joint (9) is fixedly connected to the electromagnetic heater cabinet (1) and the crude oil heating pipeline (10). The explosion-proof joint (9) leads to an electromagnetic output line (7) and a thermocouple connection line (8); A supporting insulating tube (16) is provided inside the crude oil heating pipeline (10); an electromagnetic heating wire (18) is provided outside the supporting insulating tube (16); and the electromagnetic heating wire (18) is spirally wound and connected to the outside of the supporting insulating tube (16); the electromagnetic heating wire (18) and the electromagnetic heater cabinet (1) are connected to the crude oil heating pipeline (10) through an electromagnetic output wire (7) drawn from an explosion-proof joint (9).

2. The oilfield crude oil explosion-proof electromagnetic heater according to claim 1, characterized in that: A support plate (17) is provided between the support insulating tube (16) and the crude oil heating pipeline (10), and the support plate (17) is fixedly connected to the crude oil heating pipeline (10) and the support insulating tube (16).

3. The oilfield crude oil explosion-proof electromagnetic heater according to claim 1, characterized in that: An operation panel (12), a handle (21), a switch mechanism (22), a thermostat (23) and an operating indicator light (24) are provided on one side of the explosion-proof door panel (2), and the operation panel (12), the handle (21), the switch mechanism (22), the thermostat (23) and the operating indicator light (24) are connected to the explosion-proof door panel (2) by screws, and the operation panel (12), the handle (21), the switch mechanism (22), the thermostat (23) and the operating indicator light (24) are electrically connected to the control module (14).

4. The oilfield crude oil explosion-proof electromagnetic heater according to claim 1, characterized in that: A first thermocouple (15) is provided inside the electromagnetic heater cabinet (1), and the first thermocouple (15) is connected to the electromagnetic heater cabinet (1) by screws. The first thermocouple (15) is electrically connected to the control module (14). A second thermocouple (20) is provided inside the supporting insulating tube (16). The second thermocouple (20) and the electromagnetic heater cabinet (1) are connected to the crude oil heating pipeline (10) through a thermocouple connecting line (8) drawn from an explosion-proof joint (9).

5. The oilfield crude oil explosion-proof electromagnetic heater according to claim 1, characterized in that: The crude oil heating pipeline (10) is provided with a connecting and fixing flange (19) on the outside. There are at least three connecting and fixing flanges (19), and the connecting and fixing flanges (19) are fixedly connected to the crude oil heating pipeline (10).

6. The oilfield crude oil explosion-proof electromagnetic heater according to claim 1, characterized in that: A radiator (5) is provided on the back of the lower end of the electromagnetic heater cabinet (1), and the radiator (5) is connected to the electromagnetic heater cabinet (1) by screws. An explosion-proof fan (6) is provided on one side of the radiator (5), and the explosion-proof fan (6) is connected to the radiator (5) by screws.

7. The oilfield crude oil explosion-proof electromagnetic heater according to claim 1, characterized in that: A hanging ring (3) is provided above the electromagnetic heater cabinet (1), two hanging rings (3) are provided, and the hanging rings (3) are fixedly connected to the electromagnetic heater cabinet (1); a mounting seat (4) is provided below the electromagnetic heater cabinet (1), two mounting seats (4) are provided, and the mounting seat (4) is fixedly connected to the electromagnetic heater cabinet (1).

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