Dehydration device and method capable of dynamically adjusting electrode spacing and storage medium

Abstract

The invention discloses a dehydration device and method capable of dynamically adjusting the distance between electrodes and a storage medium, and relates to the technical field of crude oil dehydration. The first electrode and the second electrode are sequentially fixed in the container from top to bottom; the movable electrode is movably arranged between the first electrode and the second electrode; two electric fields are respectively formed by the movable electrode, the first electrode and the second electrode; the distance adjusting mechanism is used for driving the movable electrode to move between the first electrode and the second electrode; and the controller is connected with the distance adjusting mechanism. By means of the dewatering device, the distance between the movable electrode and the first electrode and the distance between the movable electrode and the second electrode can be dynamically adjusted in the dewatering process, then the intensity of the two electric fields is adjusted, the reasonable electric field intensity is provided for dewatering operation, dewatering is in the optimal state all the time, and the dewatering effect of the whole electric field is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of crude oil dehydration, and particularly relates to a dehydration device, method and storage medium with dynamically adjustable electrode spacing. Background Art

[0002] This section aims to provide background or context for the embodiments described in the claims. The description herein is not admitted to be prior art merely by virtue of its inclusion in this section.

[0003] The crude oil produced from wells generally contains a certain amount of water and needs to be dehydrated by an electro-dehydrator to separate the oil and water. Conventional electro-dehydrator electrodes are mostly vertically hung and horizontally hung. Currently, the height of the horizontally hung electrodes is fixed. During the dehydration process, an electric field is formed by the high-voltage electrode and the low-voltage electrode, so that water droplets in the water-containing crude oil are coalesced under the action of the electric field, thereby performing the dehydration operation.

[0004] In the prior art, the distance between the high-voltage electrode and the low-voltage electrode is fixed, that is, the proportional relationship of the electric field strength formed by the two is fixed. However, during the dehydration of crude oil, the water content in the lower part of the crude oil is high, and the water content in the upper part is low, resulting in a need for a stronger electric field in the upper part of the crude oil and a lower electric field in the lower part. Since the proportional relationship of the electric field strength formed between the high-voltage electrode and the low-voltage electrode is fixed, during the gradual progress of electro-dehydration, the dehydration efficiency becomes poor, and there may even be a problem that the current exceeds the power supply capacity of the power supply, which may further cause a power supply failure and "reverse the electric field", affecting the dehydration effect. Summary of the Invention

[0005] In view of the above technical problems, the present invention provides a dehydration device, method and storage medium with dynamically adjustable electrode spacing, which can dynamically adjust the distance between the movable electrode and the first and second electrodes during the dehydration process, and then adjust the strength of the two electric fields, providing a reasonable electric field strength for the dehydration operation, so that the dehydration is always in the best state and the dehydration effect of the entire electric field is improved.

[0006] To solve the above technical problems, the technical solutions adopted by the present invention include four aspects.

[0007] In the first aspect, a dehydration device with dynamically adjustable electrode spacing is provided, including:

[0008] A container for containing crude oil;

[0009] A first electrode and a second electrode fixedly arranged in the container from top to bottom in sequence;

[0010] A movable electrode movably arranged between the first electrode and the second electrode, and the movable electrode forms two electric fields with the first and second electrodes respectively;

[0011] A pitch adjustment mechanism for driving the movable electrode to move between the first and second electrodes;

[0012] And a controller connected to the pitch adjustment mechanism; the controller is configured to output a pitch adjustment signal to the pitch adjustment mechanism according to the states of the two electric fields, so as to adjust the pitch between the movable electrode and the first and second electrodes.

[0013] In some embodiments, it further includes a power supply; the power supply is connected to and controlled by the controller to adjust its output voltage according to the voltage adjustment signal output by the controller, and the high-voltage end of the power supply is connected to the movable electrode, and the low-voltage end is respectively electrically connected to the first electrode and the container; the first electrode is fixed in the container through an insulating hanging piece; the second electrode is electrically connected to the container to be electrically connected to the low-voltage end of the power supply through the container.

[0014] In some embodiments, a first current sensor for real-time detecting the output current of the power supply is connected between the movable electrode and the power supply; a second current sensor for real-time detecting the current between the movable electrode and the first electrode is connected between the first electrode and the power supply; the first and second current sensors are both connected to the controller to feedback the current signal to the controller; the controller determines the breakdown risk of the two electric fields according to the current signal, and outputs a pitch adjustment signal or a voltage adjustment signal according to the electric field strength.

[0015] In some embodiments, the controller is configured to calculate the current between the movable electrode and the second electrode according to the first and second current sensors, so as to analyze the breakdown risk of the two electric fields according to the currents between the movable electrode and the first and second electrodes respectively.

[0016] In some embodiments, the pitch adjustment mechanism includes a motor and a lead screw drive structure connected to the motor; the motor is connected to and controlled by the controller to execute the pitch adjustment signal output by the controller; the lead screw drive structure can perform a linear motion under the drive of the motor, and the end of the lead screw drive structure away from the motor is connected to the movable electrode to drive the movable electrode to move.

[0017] In some embodiments, the movable electrode is connected to the pitch adjustment mechanism through an insulating connecting piece; the insulating connecting piece is used to electrically isolate the pitch adjustment mechanism from the movable electrode and keep the movable electrode in a horizontal state.

[0018] In some embodiments, a plurality of the insulating connecting pieces are provided and symmetrically distributed on the movable electrode to keep the movable electrode in a horizontal state; the plurality of insulating connecting pieces are all connected to the same pitch adjustment mechanism, or are respectively connected to a plurality of pitch adjustment mechanisms correspondingly to synchronously drive the plurality of insulating connecting pieces to lift and lower.

[0019] In some embodiments, it further includes a plurality of height detection mechanisms respectively and correspondingly arranged with the insulating connectors; the plurality of height detection mechanisms are respectively used for detecting the heights of the plurality of insulating connectors and feeding them back to the controller to control the heights of the plurality of insulating connectors to be consistent.

[0020] In some embodiments, a sealing structure is provided on the container; one end of the insulating connector away from the movable electrode movably passes through the sealing structure and is connected to the spacing adjustment mechanism.

[0021] In a second aspect, a dehydration method for dynamically adjusting the electrode spacing is provided for controlling the aforementioned dehydration device. The dehydration method includes:

[0022] Obtaining the total output current of the power supply and the first branch current between the movable electrode and the first electrode;

[0023] Calculating the second branch current between the movable electrode and the second electrode according to the total output current and the first branch current;

[0024] Determining the states of the two electric fields between the movable electrode and the first and second electrodes according to the first branch current and the second branch current;

[0025] Outputting a spacing adjustment signal according to the states of the two electric fields, so that the spacing adjustment mechanism drives the movable electrode to move for spacing adjustment.

[0026] In some embodiments, the outputting of the spacing adjustment signal according to the states of the two electric fields includes:

[0027] Judging whether there is a risk of electric field breakdown in the two electric fields according to the states of the two electric fields;

[0028] If so, aiming at controlling the ratio of the first branch current to the second branch current to be equal to a preset value, determining the spacing adjustment values between the movable electrode and the first electrode and the second electrode;

[0029] Outputting a spacing adjustment signal according to the spacing adjustment values.

[0030] In some embodiments, it further includes:

[0031] Presetting the rated total output current value of the power supply;

[0032] Comparing the total output current with the rated total output current value to judge whether it is necessary to adjust the output of the power supply;

[0033] If so, outputting a voltage adjustment signal to adjust the output voltage of the power supply voltage.

[0034] In a third aspect, an electronic device is provided, including a memory, a processor, and a computer program stored on the memory and executable on the processor. When the processor executes the computer program, the steps of the foregoing control method are implemented.

[0035] In a fourth aspect, a computer-readable storage medium is provided. When the computer program is executed by a processor, the steps of the control method as described above are implemented.

[0036] Compared with the prior art, one or more embodiments in the above solutions may have the following advantages or beneficial effects:

[0037] The present application provides a dehydration device, method, and storage medium with dynamically adjustable electrode spacing. The dehydration device includes a container for containing crude oil; a first electrode and a second electrode fixedly arranged in the container from top to bottom in sequence; a movable electrode movably arranged between the first electrode and the second electrode, and the movable electrode forms two electric fields with the first and second electrodes respectively; a spacing adjustment mechanism for driving the movable electrode to move between the first and second electrodes; and a controller connected to the spacing adjustment mechanism. The controller is configured to output a spacing adjustment signal to the spacing adjustment mechanism according to the states of the two electric fields to adjust the spacing between the movable electrode and the first and second electrodes. Through this device, during the dehydration process, the position of the movable electrode can be adjusted to dynamically adjust the spacing between the movable electrode and the first and second electrodes, and further adjust the intensities of the two electric fields. Moreover, only by controlling the movable electrode to move in one direction, the spacing between the movable electrode and the first and second electrodes can be adjusted simultaneously, which has synchronism and timeliness. When the water content of the upper and lower parts of the crude oil in the container changes due to the progress of dehydration, the electric field can also be dynamically adjusted to provide a reasonable electric field intensity for dehydration operation, so that the dehydration is always in the best state, improving the dehydration effect of the entire electric field. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Hereinafter, the present application will be described in more detail based on embodiments with reference to the drawings;

[0039] Figure 1 It is a schematic structural diagram of a dehydration device with dynamically adjustable electrode spacing provided in an embodiment of the present invention;

[0040] Figure 2 It is a schematic structural diagram of another example of a dehydration device with dynamically adjustable electrode spacing provided in an embodiment of the present invention;

[0041] Figure 3 It is an exemplary flowchart of a dehydration method with dynamically adjustable electrode spacing provided in an embodiment of the present invention;

[0042] Figure 4 Corresponding to the embodiment of the present invention Figure 3Exemplary flowchart between steps S1 and S2 shown in

[0043] Figure 5 In the embodiment of the present invention corresponding to Figure 3 Further exemplary flowchart of step S4 shown in

[0044] Figure 6 Schematic block diagram of an electronic device provided in the embodiment of the present invention;

[0045] Figure 7 Schematic diagram of a computer-readable storage medium provided in the embodiment of the invention.

[0046] In the figure: 1, container; 2, second electrode; 3, movable electrode; 4, insulating connector; 41, insulating suspension; 5, first electrode; 6, insulating hanging part; 7, sealing structure; 8, height detection mechanism; 9, connecting rod; 10, spacing adjustment mechanism; 11, control cabinet; 12, controller; 13, power supply; 14, first current sensor; 15, second current sensor.

[0047] In the drawings, the same components are denoted by the same reference numerals, and the drawings are not drawn to actual scale. Detailed implementation manners

[0048] The present disclosure will be further described below in conjunction with the embodiments shown in the drawings.

[0049] The embodiment of the present application discloses a dehydration device with dynamically adjustable electrode spacing, as Figure 1 shown, including a container 1, a first electrode 5, a second electrode 2, a movable electrode 3, a spacing adjustment mechanism 10, a controller 12, and a power supply 13. The first electrode 5 and the second electrode 2 are fixedly arranged in the container 1 from top to bottom in sequence. The movable electrode 3 is movable between the first and second electrodes and is driven by the spacing adjustment mechanism 10 to move. When the movable electrode 3 approaches the first electrode 5, the spacing between the movable electrode 3 and the first electrode 5 is reduced, and simultaneously the spacing between the movable electrode 3 and the second electrode 2 is increased. The controller 12 is connected to the spacing adjustment mechanism 10 for controlling the spacing adjustment mechanism 10. The power supply 13 is connected to the container 1, the first and second electrodes, and the movable electrode 3 for providing electrical energy for the electro-dehydration process.

[0050] In some embodiments, the controller 12 and the power supply 13 are integrated in the control cabinet 11, and the controller 12 is connected to the power supply 13 to obtain electrical energy from the power supply 13 for use. Among them, the control cabinet 11 is an explosion-proof cabinet with explosion-proof function, which improves the use safety.

[0051] In some embodiments, container 1 is used to hold crude oil. An inlet pipe is connected to container 1, such that the water-containing crude oil flows into container 1 through the inlet pipe, and crude oil dehydration is carried out in container 1, so that the separated sewage accumulates at the lower part of container 1. Further, container 1 is a horizontal cylindrical container 1 with a circular cross-section, so as to facilitate the flow of water-containing crude oil inside it.

[0052] In some embodiments, container 1 is electrically connected to the low-voltage end of power supply 13 to establish an electric field in container 1 for electro-dehydration. Among them, the high-voltage end of power supply 13 is connected to movable electrode 3, and the two output ends of the low-voltage end are respectively electrically connected to first electrode 5 and container 1; first electrode 5 is fixed in container 1 through insulating hanging member 6 to prevent first electrode 5 from being electrically connected to container 1, such that power supply 13 directly outputs current to first electrode 5; the second electrode 2 is electrically connected to container 1 to be electrically connected to the low-voltage end of power supply 13 through container 1, that is, after power supply 13 outputs current to container 1, it is introduced into second electrode 2 through container 1, such that second electrode 2 generates an electric field for dehydration operation. Second electrode 2 is located at the bottom of container 1 and is immersed in the liquid. By introducing the current of the low-voltage end of power supply 13 into second electrode 2 through container 1, wire connection can be avoided, thereby avoiding phenomena such as electric leakage and short circuit, and improving the stability of electro-dehydration.

[0053] In some embodiments, insulating hanging member 6 is an insulating rod made of insulating materials such as rubber, plastic, glass, mica, etc. One end of this insulating rod is fixed to first electrode 5, and the other end is fixed to the inner wall of container 1 to hoist first electrode 5 in container 1.

[0054] In some embodiments, spacing adjustment mechanism 10 is connected to power supply 13 to be driven by the electrical energy output by power supply 13. Specifically, spacing adjustment mechanism 10 includes a motor and a lead screw drive structure connected to the motor; the motor is connected to and controlled by controller 12 to execute the spacing adjustment signal output by controller 12; the lead screw drive structure can perform a linear motion under the drive of the motor, and the end of the lead screw drive structure far from the motor is connected to movable electrode 3 to drive movable electrode 3 to move, thereby converting the rotational motion into a lifting linear motion through the lead screw drive structure to drive movable electrode 3 to lift, and realizing the adjustment of the spacing between movable electrode 3 and the first and second electrodes.

[0055] In some other embodiments, spacing adjustment mechanism 10 can also be a servo electric linear cylinder, or other mechanisms that drive movable electrode 3 to move linearly up and down through electricity, thereby converting electrical energy into the power to drive movable electrode 3 to lift and move, and facilitating the control of the moving distance of movable electrode 3 driven by spacing adjustment mechanism 10 by controller 12.

[0056] In some embodiments, the movable electrode 3 is connected to the spacing adjustment mechanism 10 through an insulating connector 4. The insulating connector 4 is used to electrically isolate the spacing adjustment mechanism 10 from the movable electrode 3, and keep the movable electrode 3 in a horizontal state, avoiding energization between the movable electrode 3 and the spacing adjustment mechanism 10, maintaining the stability of the electric field, and ensuring that after the spacing adjustment mechanism 10 drives the movable electrode 3 to move, the movable electrode 3 always remains in a horizontal state. Among them, the first electrode 5 and the second electrode 2 are both in a horizontal state and are arranged parallel to each other, so that during the movement of the movable electrode 3, the movable electrode 3 is always parallel to the first and second electrodes, ensuring the uniformity of the change in electric field strength.

[0057] In some embodiments, such as Figure 1 and Figure 2 shown, a plurality of insulating connectors 4 are provided and symmetrically distributed on the movable electrode 3 to keep the movable electrode 3 in a horizontal state; in this embodiment, there are four insulating connectors 4, and the four insulating connectors 4 can be simultaneously connected to the same spacing adjustment mechanism 10 for linkage, or can be respectively connected to a plurality of spacing adjustment mechanisms 10, as long as it satisfies synchronously driving the lifting of a plurality of insulating connectors 4 and the lifting distances are the same, so as to ensure that the movable electrode 3 is always in a horizontal state when moving.

[0058] In some embodiments, when the size of the movable electrode 3 is small and the weight is light, only one insulating connector 4 can be used for connection, making the overall structure simple and convenient for installation and use.

[0059] In some embodiments, specifically, the insulating connector 4 includes a connecting rod 9 and an insulating suspension 41. One end of the insulating suspension 41 is connected to the movable electrode 3, and the other end is connected to the connecting rod 9. The insulating suspension 41 has the same structure as the insulating hanging part 6 of the first electrode 5 and is made of insulating material; the end of the connecting rod 9 far from the insulating suspension 41 movably passes through the container 1 and is connected to the spacing adjustment mechanism 10.

[0060] In some embodiments, the dehydration device further includes a plurality of height detection mechanisms 8 provided in one-to-one correspondence with the insulating connectors 4; the plurality of height detection mechanisms 8 are respectively used to detect the heights of the plurality of insulating connectors 4 and feedback them to the controller 12 to control the heights of the plurality of insulating connectors 4 to be consistent. Among them, the height detection mechanism 8 includes a height indicating sensor, which can monitor the height change of the insulating connector 4, so as to facilitate the controller 12 to control the lifting height of the movable electrode 3 and ensure that the movable electrode 3 is in a horizontal state.

[0061] In some embodiments, to facilitate the movement of the insulating connector 4 on the container 1, a sealing structure 7 is provided on the container 1; one end of the insulating connector 4 away from the movable electrode 3 movably passes through the sealing structure 7 and is connected to the spacing adjustment mechanism 10. Specifically, the sealing structure 7 includes a sealing hole formed in the container 1 and an O-ring sleeved in the sealing hole. The insulating connector 4 movably passes through the O-ring, thereby not only allowing the insulating connector 4 to move but also achieving sealing to prevent the high-pressure fluid in the container 1 from leaking.

[0062] In some embodiments, to facilitate the accurate control of the adjustment of the distances between the electrodes, a first current sensor 14 for real-time detecting the output current of the power supply 13 is connected between the movable electrode 3 and the power supply 13; a second current sensor 15 for real-time detecting the current between the movable electrode 3 and the first electrode 5 is connected between the first electrode 5 and the power supply 13; both the first and second current sensors are connected to the controller 12 to feed back the current signals to the controller 12; the controller 12 determines the states of the two electric fields according to the current signals and outputs a spacing adjustment signal or a voltage adjustment signal according to the states of the electric fields.

[0063] In some embodiments, the controller 12 is configured to calculate the current between the movable electrode 3 and the second electrode 2 according to the first and second current sensors, so as to analyze whether there is a risk of electric field breakdown in the states of the two electric fields based on the currents between the movable electrode 3 and the first and second electrodes respectively.

[0064] Specifically, the current between the movable electrode 3 and the first electrode 5 is the current value fed back by the second current sensor 15. When calculating the current between the movable electrode 3 and the second electrode 2, by subtracting the current value fed back by the second current sensor 15 from the current value fed back by the first current sensor 14, the current between the movable electrode 3 and the second electrode 2 can be obtained. Thus, according to the current situation, the electric field dehydration state is analyzed, and the risks of electric field breakdown in the upper and lower electric fields are judged. If the branch current is relatively small, it indicates the potential to increase the electric field strength, and then the electrode spacing can be reduced. Otherwise, the electrode spacing needs to be increased. When a risk occurs, on the one hand, the output voltage of the power supply 13 is controlled, and on the other hand, the position of the movable electrode 3 is adjusted to prevent a significant increase in the current between the movable electrode 3 and any one of the first and second electrodes, prevent the problem of "inverted electric field" from occurring, ensure that the first and second electrodes maintain a high voltage, so that both the upper and lower electric fields can play a role, and further make the dehydration in the optimal state.

[0065] In some embodiments, a PID regulation method is adopted in the controller 12 to automatically tune the parameters, so as to realize the automatic control and regulation of the output voltage of the movable electrode 3 and the power supply 13, and improve the degree of automation. Specifically, the automatic parameter tuning can be carried out with the control objective that the split current between the first electrode 5 and the movable electrode 3 is equal to the split current between the second electrode 2 and the movable electrode 3, or the ratio of the two split currents can be set as the control objective. When the ratio is 1:1, it means that the two split currents are equal, so that the dehydration is in the best state.

[0066] In some embodiments, when the controller 12 adjusts the voltage of the power supply 13, a certain value of the total current is used as the voltage output regulation target of the power supply 13. For example, when the total current detected by the first current sensor 14 is greater than one-third of the rated current, the voltage output value of the power supply 13 is reduced to realize automatic parameter tuning and perform automatic control of the voltage output of the power supply 13.

[0067] The dehydration device with dynamically adjustable electrode spacing provided by the embodiments of the present disclosure can monitor the dehydration situation in real time, and adjust the position of the movable electrode 3 according to the change of the dehydration state, so as to dynamically adjust the spacing between the movable electrode 3 and the first and second electrodes, and further adjust the intensity of the two electric fields. Moreover, only by controlling the movable electrode 3 to move in one direction, the spacing between the movable electrode 3 and the first and second electrodes can be adjusted simultaneously, which has synchronism and timeliness. When the water content of the upper and lower parts of the crude oil in the container 1 changes during dehydration, the electric field can also be dynamically adjusted to provide a reasonable electric field intensity for dehydration operation, so that the dehydration is always in the best state and the dehydration effect of the whole electric field is improved.

[0068] At least some embodiments of the present disclosure also provide a dehydration method with dynamically adjustable electrode spacing, as Figure 3 shown, for controlling the dehydration device in any of the foregoing embodiments. The dehydration method includes: obtaining the total output current of the power supply and the first split current between the movable electrode and the first electrode; calculating the second split current between the movable electrode and the second electrode according to the total output current and the first split current; determining the states of the two electric fields of the movable electrode and the first and second electrodes according to the first split current and the second split current; and outputting a spacing adjustment signal according to the states of the two electric fields, so that the spacing adjustment mechanism drives the movable electrode to move for spacing adjustment. Through this method, the spacing between each electrode can be dynamically adjusted in real time according to the electric field situation, ensuring that the spacing between the movable electrode and the first and second electrodes is in the best position, always maintaining the best electro-dehydration state, and improving the electro-dehydration effect.

[0069] A dehydration method with dynamically adjustable electrode spacing provided by at least one embodiment of the present disclosure can be implemented in the form of software, hardware, firmware, or any combination thereof, and is loaded and executed by a processor in devices such as mobile phones, tablet computers, laptop computers, desktop computers, network servers, etc., so as to realize dynamically adjusting the spacing between each electrode in real time according to the electric field conditions, ensuring that the distances between the movable electrode and the first and second electrodes are in the optimal positions, always maintaining the optimal electro-dehydration state, and improving the electro-dehydration effect.

[0070] The following will refer to Figure 3 as shown, the dehydration method with dynamically adjustable electrode spacing provided by at least one embodiment of the present disclosure will be described. This control method includes steps S1 to S4.

[0071] S1. Obtain the total output current of the power supply and the first sub-current between the movable electrode and the first electrode;

[0072] S2. Calculate the second sub-current between the movable electrode and the second electrode according to the total output current and the first sub-current;

[0073] In some embodiments, before performing step S2, as Figure 4 shown, this dehydration method further includes the following steps:

[0074] S201. Preset the rated total output current value of the power supply;

[0075] S202. Compare the total output current with the rated total output current value to determine whether it is necessary to adjust the output voltage of the power supply;

[0076] S203. If so, output a voltage adjustment signal to adjust the output voltage of the power supply, and loop back to step S1 until it is not necessary to adjust the output voltage of the power supply.

[0077] In some embodiments, step S202 includes: when the total output current is greater than one-third of the rated total current value, it is determined that it is necessary to adjust the output voltage of the power supply, that is, it is necessary to reduce the voltage output value of the power supply.

[0078] In some embodiments, step S2 includes: subtracting the first sub-current from the total output current to calculate the second sub-current between the dehydration method and the second low-voltage electrode.

[0079] S3. Determine the states of the two electric fields between the movable electrode and the first and second electrodes according to the first sub-current and the second sub-current;

[0080] S4. Output a spacing adjustment signal according to the states of the two electric fields, so that the spacing adjustment mechanism drives the dehydration method to move for spacing adjustment.

[0081] In some embodiments, step S4, as Figure 5 shown, includes:

[0082] S41. Determine whether there is a risk of electric field breakdown for the two electric fields according to the states of the two electric fields;

[0083] S42. If so, with the goal of controlling the ratio of the first sub-current to the second sub-current to be equal to a preset value, determine the adjustment values of the distances between the movable electrode and the first electrode and the second electrode;

[0084] S43. Output a distance adjustment signal according to the distance adjustment values.

[0085] In some embodiments, in step S42, when the preset value of the ratio of the first sub-current to the second sub-current is 1:1, that is, with the goal of controlling the first sub-current to be equal to the second sub-current, determine the adjustment values of the distances between the movable electrode and the first electrode and the second electrode. Specifically, it is possible to select whether to use the equality of the first sub-current and the capacitance sub-current as the control goal, or use other preset ratios of the first sub-current to the second sub-current as the control goal according to the water content in the crude oil, so as to make the dehydration in the best state.

[0086] In some embodiments, during the entire electro-dehydration process, this control method runs in real time until the electro-dehydration is completed, so that the distances between the movable electrode and the first and second electrodes can be dynamically adjusted according to the real-time state, improving the electro-dehydration effect.

[0087] Some embodiments of the present disclosure further provide an electronic device, as Figure 6 shown, including a memory 21, a processor 22, and a computer program stored on the memory 21 and executable on the processor 22. When the processor 22 executes the computer program, the steps of the dehydration method provided in any embodiment of the present disclosure are implemented.

[0088] In some embodiments, the processor 22 is used to execute all or part of the steps in the dehydration method of any embodiment of the present disclosure. The memory 21 is used to store various types of data, which may include, for example, instructions of any application program or method in the electronic device, as well as data related to the application program.

[0089] The processor 22 may be implemented by an application specific integrated circuit (ASIC), a digital signal processor (DSP), a digital signal processing device (DSPD), a programmable logic device (PLD), a field programmable gate array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, and is used to execute the dehydration method in the first embodiment above.

[0090] The memory 21 may be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as a static random access memory (SRAM), an electrically erasable programmable read-only memory (EEPROM), an erasable programmable read-only memory (EPROM), a programmable read-only memory (PROM), a read-only memory (ROM), a magnetic memory, a flash memory, a magnetic disk, or an optical disk.

[0091] Some embodiments of the present disclosure also provide a computer-readable storage medium, as Figure 7 shown, a computer program 31 is stored on the readable storage medium, and when the computer program 31 is executed by a processor, the steps of the dehydration method provided in any embodiment of the present disclosure are implemented.

[0092] In some embodiments, the storage medium may be a tangible medium that can contain or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatuses, or devices, or any suitable combination of the foregoing. More specific examples of the machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or Flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0093] To provide for interaction with a user, the systems and techniques described herein can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which the user can provide input to the computer. Other kinds of devices can also be used to provide for interaction with the user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including acoustic, speech, or tactile input).

[0094] The systems and techniques described herein can be implemented in a computing system that includes back-end components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes front-end components (e.g., a user computer having a graphical user interface or a web browser through which the user can interact with an implementation of the systems and techniques described herein), or a computing system that includes any combination of such back-end components, middleware components, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), and the Internet.

[0095] A computer system can include a client and a server. The client and the server are generally remote from each other and typically interact through a communication network. The client-server relationship is generated by computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, a server of a distributed system, or a server incorporating a blockchain.

[0096] An embodiment of the present invention further provides a computer program product, including a computer program / instructions, which, when executed by a processor, implement the steps of the dehydration method provided in any embodiment of the present disclosure.

[0097] In summary, a dehydration device, method and storage medium with dynamically adjustable electrode spacing provided in the present application can monitor the dehydration situation in real time, and adjust the position of the movable electrode according to the change of the dehydration state, so as to dynamically adjust the spacing between the movable electrode and the first and second electrodes, and then adjust the intensity of the two electric fields. Moreover, only by controlling the movable electrode to move in one direction, the spacing between the movable electrode and the first and second electrodes can be adjusted simultaneously, which has synchronism and timeliness. When the water content of the upper and lower parts of the crude oil in the container changes during dehydration, the electric field can also be dynamically adjusted to provide a reasonable electric field intensity for dehydration operation, so that the dehydration is always in the best state and the dehydration effect of the entire electric field is improved.

[0098] The embodiments in the present disclosure are all described in a progressive manner. For the same or similar parts among the embodiments, reference can be made to each other. Each embodiment focuses on the differences from other embodiments.

[0099] The protection scope of the present disclosure is not limited to the above embodiments. Obviously, those skilled in the art can make various changes and deformations to the present disclosure without departing from the scope and spirit of the present disclosure. If these changes and deformations belong to the scope of the claims of the present disclosure and their equivalent technologies, the intention of the present disclosure also includes these changes and deformations.

Claims

1. A dehydration device with dynamic adjustment of electrode spacing, characterized in that: include: Containers for holding crude oil; A first electrode and a second electrode are fixed in the container in sequence from top to bottom; An active electrode is movably disposed between the first electrode and the second electrode, and the active electrode and the first and second electrodes respectively form two electric fields; A spacing adjustment mechanism for driving the movable electrode to move between the first and second electrodes; and a controller connected to the spacing adjustment mechanism; The controller is used for outputting a distance adjustment signal to the distance adjustment mechanism according to the states of the two electric fields, so as to adjust the distance between the movable electrode and the first and second electrodes.

2. A dehydration device with dynamic adjustment of electrode spacing according to claim 1, characterized in that: It also includes a power supply; the power supply is connected to and controlled by the controller to adjust its output voltage according to the voltage regulation signal output by the controller, and the high-voltage end of the power supply is connected to the movable electrode, and the low-voltage end is electrically connected to the first electrode and the container respectively; the first electrode is fixed in the container through an insulating hanger; the second electrode is electrically connected to the container to be electrically connected to the low-voltage end of the power supply through the container.

3. A dehydration device with dynamic adjustment of electrode spacing according to claim 2, characterized in that: A first current sensor for real-time detection of the output current of the power supply is connected between the movable electrode and the power supply; a second current sensor for real-time detection of the current between the movable electrode and the first electrode is connected between the first electrode and the power supply; the first and second current sensors are both connected to the controller to feed back the current signal to the controller; The controller determines the breakdown risk of the two electric fields according to the current signal, and outputs a spacing adjustment signal or a voltage adjustment signal according to the electric field strength.

4. A dehydration device with dynamic adjustment of electrode spacing according to claim 3, characterized in that: The controller is used to calculate the current between the active electrode and the second electrode according to the first and second current sensors, so as to analyze the two electric field breakdown risks according to the currents between the active electrode and the first and second electrodes respectively.

5. The dehydration device with dynamic adjustment of electrode spacing according to claim 1, characterized in that: The spacing adjustment mechanism includes a motor and a screw transmission structure connected to the motor; the motor is connected to and controlled by a controller to execute the spacing adjustment signal output by the controller; the screw transmission structure can perform linear motion under the drive of the motor, and the end of the screw transmission structure away from the motor is connected to the movable electrode to drive the movable electrode to move.

6. The dehydration device with dynamic adjustment of electrode spacing according to claim 1, characterized in that: The movable electrode is connected to the spacing adjustment mechanism through an insulating connector; the insulating connector is used to electrically isolate the spacing adjustment mechanism from the movable electrode and keep the movable electrode in a horizontal state.

7. A dehydration device with dynamic adjustment of electrode spacing according to claim 6, characterized in that: There are multiple insulating connectors, which are symmetrically distributed on the movable electrode to keep the movable electrode in a horizontal state; the multiple insulating connectors are all connected to the same spacing adjustment mechanism, or are respectively connected to multiple spacing adjustment mechanisms to synchronously drive the multiple insulating connectors to rise and fall.

8. The dehydration device with dynamic adjustment of electrode spacing according to claim 6, characterized in that: It also includes a plurality of height detection mechanisms which are arranged one by one corresponding to the insulating connectors; the plurality of height detection mechanisms are respectively used to detect the heights of the plurality of insulating connectors and feed back to the controller to control the plurality of insulating connectors to have consistent heights.

9. A dehydration device with dynamic adjustment of electrode spacing according to claim 6, characterized in that: The container is provided with a sealing structure; the end of the insulating connector away from the movable electrode is movable through the sealing structure and then connected to the spacing adjustment mechanism.

10. A dehydration method with dynamic adjustment of electrode spacing, characterized in that: Used to control the dehydration device according to any one of claims 1 to 9, the dehydration method comprising: Acquire the total output current of the power supply and the first partial current between the active electrode and the first electrode; Calculating a second partial current between the active electrode and the second electrode according to the total output current and the first partial current; Determine the states of two electric fields between the movable electrode and the first and second electrodes according to the first partial current and the second partial current; A spacing adjustment signal is output according to the states of the two electric fields, so that the spacing adjustment mechanism drives the movable electrode to move to adjust the spacing.

11. A dehydration method with dynamic adjustment of electrode spacing according to claim 10, characterized in that: The step of outputting a spacing adjustment signal according to the states of the two electric fields comprises: Determining whether the two electric fields have a risk of electric field breakdown according to the states of the two electric fields; If yes, determining the spacing adjustment value between the movable electrode and the first electrode and the second electrode with the goal of controlling the ratio of the first sub-current to the second sub-current to be equal to the preset value; A spacing adjustment signal is output according to the spacing adjustment value.

12. The dehydration method with dynamic adjustment of electrode spacing according to claim 10, characterized in that: Also includes: Preset the rated total output current value of the power supply; Compare the total output current with the rated total output current value to determine whether the power supply output needs to be adjusted; If so, a voltage adjustment signal is output to adjust the output voltage of the power supply voltage.

13. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of the dehydration method according to any one of claims 10 to 12 are implemented.

14. A computer-readable storage medium, characterized in that: When the computer program is executed by a processor, the steps of the dehydration method according to any one of claims 10 to 12 are implemented.

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