Vacuum superconducting heater for heating oil tank

Abstract

The invention belongs to the technical field of petroleum industry and oil well exploitation, and particularly relates to a vacuum superconducting heater for oil tank temperature rise, which comprises a vacuum superconducting tube, a superconducting medium, an electric heating tube, a connecting tube and a safety and measurement component, an electric heating tube is mounted in the vacuum superconducting tube, and a superconducting medium is filled in the vacuum superconducting tube; a safety and measurement part is mounted on the vacuum superconducting tube; the connecting pipe is used for connecting the vacuum superconducting heater with the oil tank to form a heat transfer channel. The heat dissipation pipe and the superconducting heater in the oil tank are connected in series to form a heat transfer channel. The switch of the electric heating tube is started, the temperature of the electric heating tube rises, and the superconducting medium is heated. When the superconductive medium is heated to a certain temperature, the superconductive medium becomes gaseous from liquid, and the gaseous superconductive medium fills the heat transfer channel. The superconducting medium rapidly transmits heat to the crude oil, so that the temperature of the crude oil is increased, the purposes of automatic heating and unmanned operation are achieved, and potential safety hazards are eliminated.

Description

Technical Field

[0001] This invention belongs to the field of petroleum industry and oil well extraction technology, and in particular relates to a vacuum superconducting heater for heating oil tanks. Background Technology

[0002] Crude oil is stored in tanks in some wells and newly developed wells in major oilfields across the country. When the crude oil accumulates to a certain amount, it is transported away by tank trucks. Before transportation, the crude oil in the tanks needs to be heated.

[0003] There are two main traditional heating methods: ① Deploying skilled workers in a transport vehicle equipped with a boiler, water pump, water tank, and water to the oil storage site to heat the crude oil with hot water or steam, thereby increasing its temperature. ② Inserting electric heating elements directly into the oil tank, turning on the switch, and using the heating elements to directly heat the crude oil.

[0004] The first method requires a certain amount of manpower and resources, while the second method poses safety risks. Summary of the Invention

[0005] The purpose of this invention is to provide a vacuum superconducting heater specifically designed for heating oil tanks, replacing the boiler truck. By using automatic heating instead of manual operation, it improves work efficiency, reduces production costs, eliminates safety hazards, and achieves the goals of automatic heating, unattended operation, and remote monitoring.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A vacuum superconducting heater for heating oil tanks includes: a vacuum superconducting tube, a superconducting medium, an electric heating tube, a connecting tube, and safety and measuring components; The vacuum superconducting tube is equipped with an electric heating element and contains a superconducting medium; safety and measurement components are installed on the vacuum superconducting tube; the connecting pipe is used to connect the vacuum superconducting heater and the oil tank to form a heat transfer channel.

[0007] As a further improvement of the present invention, the front end of the vacuum superconducting tube is provided with a power distribution box, and the control switch in the power distribution box is connected to the electric heating tube; The vacuum superconductor has a water return inlet at the rear end and a steam outlet at the top. It is wrapped with an insulation layer and a protective shell is installed outside the insulation layer. Four support legs are installed at the bottom of the vacuum superconductor.

[0008] As a further improvement of the present invention, the superconducting medium is a liquid substance with heat transfer properties, which is filled into a vacuum superconducting tube; the heating tube is installed in the vacuum superconducting tube and immersed in the superconducting medium.

[0009] As a further improvement of the present invention, the safety and measurement components include: a vacuum pressure gauge, a thermometer, a pressure contact, a temperature contact, a safety explosion-proof device, a vacuum valve, and a control switch; Vacuum pressure gauge, thermometer, and control switch are installed inside the distribution box; temperature and pressure contacts, explosion-proof device, and vacuum valve are installed above the superconducting tube; control switch and heating element are connected.

[0010] As a further improvement of the present invention, the electric heating tube is heated by the distribution box, and the electrical energy is converted into heat energy, which raises the temperature of the superconducting medium, so that the liquid superconducting medium becomes a gaseous superconducting medium and fills the heat transfer channel; the heat transfer channel is connected to the vacuum superconducting heater and the heat dissipation tube in the oil tank through the connecting pipe for heat exchange.

[0011] The beneficial effects of adopting the above technical solution are as follows: This invention connects a heat dissipation pipe and a superconducting heater in series within the oil tank to form a heat transfer channel. Activating the heating element's switch raises its temperature, heating the superconducting medium. When the superconducting medium reaches a certain temperature, it changes from a liquid to a gaseous state, filling the heat transfer channel. The superconducting medium rapidly transfers heat to the crude oil, raising its temperature and achieving automatic heating without human intervention, while eliminating safety hazards. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the vacuum superconducting heater structure of the present invention; Figure 2 This is a schematic diagram of the connection between the vacuum superconducting heater and the oil tank of the present invention; The markings in the diagram are as follows: 1. Distribution box; 2. Control switch; 3. Vacuum pressure gauge; 4. Thermometer; 5. Monitoring device; 6. Upper flange; 7. Lower flange; 8. Pressure contact; 9. Temperature contact; 10. Steam outlet; 11. Heater insulation shell; 12. Insulation layer; 13. Superconducting pipe; 14. Superconducting medium; 15. Safety explosion-proof device; 16. Vacuum valve; 17. Protective shell; 18. Return water inlet; 19. Drain valve; 20. Support leg; 21. Heating element; 22. Oil tank; 23. Radiator outlet; 24. Temperature sensor; 25. Radiator inlet; 26. Steam connection pipe; 27. Return water connection pipe; 28. Connection pipe insulation shell. Detailed Implementation

[0013] To better understand the purpose, structure, and function of this invention, the invention will be clearly and completely described below with reference to the accompanying drawings.

[0014] like Figure 1 and Figure 2 As shown, the heater consists of three parts: heating, heat transfer, and automatic control.

[0015] Heating section: includes vacuum superconducting tube 13, electric heating tube 21 and superconducting medium 14. The superconducting tube 13 is filled with liquid superconducting medium 14, and the electric heating tube 21 is installed in the superconducting tube 13 and immersed in liquid superconducting medium 14.

[0016] Heat transfer section: includes a radiator inside the oil storage tank 22 and an external connecting pipe. The inlet and outlet of the radiator and the inlet and outlet of the superconducting heater are connected by the connecting pipe to form a heat transfer channel.

[0017] Automatic control section: includes a temperature gauge 4, a vacuum pressure gauge 3, a temperature contact 9 and a pressure contact 8 on the superconducting tube 13 inside the distribution box 1. The temperature gauge 4 and the temperature contact 9 are connected, and the vacuum pressure gauge 3 and the pressure contact 8 are connected.

[0018] Step 1: Fabricate a vacuum superconducting heater: First, cut the seamless tube according to the design requirements to make the superconducting tube 13. Install the steam outlet 10, temperature contact 9, pressure contact 8, safety explosion-proof device 15 and vacuum valve 16 on the superconducting tube 13. Install the return water inlet 18 at the rear end to form the main body of the vacuum superconducting heater.

[0019] The front end of the heating element 21 is connected to the upper flange 6. The heating element 21 is installed inside the superconducting tube 13; liquid superconducting medium 14 is poured into the superconducting tube 13. At this time, the heating element 21 is immersed in the superconducting medium 14. The front end of the superconducting tube 13 is installed on the lower flange 7, and the lower flange 7 and the upper flange 6 are connected together with screws.

[0020] The distribution box 1 is installed at the top of the superconducting tube 13. The distribution box 1 contains a thermometer 4, a vacuum pressure gauge 3, and a control switch 2.

[0021] The distribution box 1 and the heating body together form a vacuum superconducting heater.

[0022] Step 2: The oil tank 22 contains a U-shaped heat dissipation pipe, with one end being the outlet 23 and the other end being the inlet 25. Connect the inlet 25 of the U-shaped heat dissipation pipe to the steam outlet 10 of the heater using a steam connection pipe 26. Connect the outlet 23 of the U-shaped heat dissipation pipe to the return water inlet 18 of the superconducting heater using a return water pipe 27, forming a continuous heat transfer channel. A drain valve 19 is installed below the superconducting pipe 13.

[0023] A temperature sensor 24 is installed on the outlet 23 of the oil tank heat dissipation pipe.

[0024] Step 3: Use rainproof and heat-insulating material 12 to package the heater, steam connection pipe 26 and return water connection pipe 27 together. The heat-insulating material 12 is surrounded by a heat-insulating shell 28 for the connection pipe.

[0025] After the above three steps are completed, power control switch 2 is turned on to begin heating. When a certain temperature is reached, the liquid superconducting medium 14 transforms into a gaseous superconducting medium 14, filling the entire heat transfer channel. The heat transfer channel transfers heat to the crude oil, causing its temperature to rise continuously to the desired level. When the crude oil temperature reaches the set temperature, the tank temperature sensor sends a signal to stop heating. Once the temperature drops to the design temperature, control switch 2 automatically turns on, thus achieving automatic temperature control and unattended operation.

[0026] It is understood that the present invention has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the invention. Furthermore, under the teachings of the present invention, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of the present invention.

Claims

1. A vacuum superconducting heater for heating oil tanks, characterized in that: It includes: Vacuum superconducting tubes, superconducting media, heating tubes, connecting tubes, safety and measuring components; The vacuum superconducting tube is equipped with an electric heating element and contains a superconducting medium; safety and measurement components are installed on the vacuum superconducting tube; the connecting pipe is used to connect the vacuum superconducting heater and the oil tank to form a heat transfer channel.

2. The vacuum superconducting heater for heating an oil tank according to claim 1, characterized in that: The front end of the vacuum superconducting tube is equipped with a power distribution box, and the control switch in the power distribution box is connected to the electric heating tube; The vacuum superconductor has a return water inlet at the rear end and a steam outlet at the top. It is wrapped with an insulation layer, and a heater insulation shell is installed outside the insulation layer. Four support legs are installed at the bottom of the vacuum superconductor.

3. The vacuum superconducting heater for heating an oil tank according to claim 1, characterized in that: The superconducting medium is a liquid substance with heat transfer properties, which is filled into a vacuum superconducting tube; the heating element is installed inside the vacuum superconducting tube and immersed in the superconducting medium.

4. The vacuum superconducting heater for heating an oil tank according to claim 1, characterized in that: The safety and measurement components include: a vacuum pressure gauge, a thermometer, pressure contacts, temperature contacts, a safety explosion-proof device, a vacuum valve, and a control switch; Vacuum pressure gauge, thermometer, and control switch are installed inside the distribution box; temperature and pressure contacts, explosion-proof device, and vacuum valve are installed above the superconducting tube; control switch and heating element are connected.

5. A vacuum superconducting heater for heating an oil tank according to claim 1, characterized in that: The electric heating tube is heated by the distribution box, and the electrical energy is converted into heat energy, which raises the temperature of the superconducting medium, turning the liquid superconducting medium into a gaseous superconducting medium and filling the heat transfer channel. The heat transfer channel connects the vacuum superconducting heater and the heat dissipation pipe in the oil tank through a connecting pipe for heat exchange.

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