CN117190074B - Crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof - Google Patents
Crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof Download PDFInfo
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- CN117190074B CN117190074B CN202311464620.6A CN202311464620A CN117190074B CN 117190074 B CN117190074 B CN 117190074B CN 202311464620 A CN202311464620 A CN 202311464620A CN 117190074 B CN117190074 B CN 117190074B
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- 239000010779 crude oil Substances 0.000 title claims abstract description 148
- 239000003208 petroleum Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007711 solidification Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 108010053481 Antifreeze Proteins Proteins 0.000 claims description 10
- 230000002528 anti-freeze Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 2
- 230000008023 solidification Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses a crude oil pipeline for anti-solidification petroleum transportation and a control system and a control method thereof, and relates to the technical field of petroleum processing, wherein the control system comprises: the acquisition device is used for acquiring a state signal of the crude oil pipeline; the heat pipe valve controls the electromagnetic valve, is used for realizing the opening and closing angle change of the heat pipe valve according to the electric signal input; the crude oil pipeline system also comprises a control device which is used for sending a control signal to the heat pipe valve control electromagnetic valve according to the state signal sent by the acquisition device so as to control the opening and closing angle of the heat pipe valve. The invention has the advantages of providing the crude oil pipeline for preventing solidification and petroleum transportation, and the control system and the control method thereof, wherein the amount of the water vapor for heating the pipeline can be adjusted according to the severity of blockage caused by solidification in the crude oil pipeline.
Description
Technical Field
The invention relates to the technical field of petroleum processing, in particular to a crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof.
Background
Crude oil extracted from the bottom of the well is transported to a refinery or a transfer station through a pipeline after oil-gas separation, dehydration and other processes. For crude oil with higher paraffin content in the pipeline conveying process, liquid flows under the pressure difference, and substances such as colloid, asphalt, paraffin and the like are deposited. As the crude oil flows, it sticks to the pipe wall, not only reducing the conveying area of the pipeline, but also creating conveying resistance. The condensate accident easily occurs in the conveying process, so that the pipeline is seriously damaged, and the crude oil conveying is not facilitated. In the prior art, some important transportation pipelines often adopt the whole crude oil line to be heated, and serious resource waste is caused in the transportation process of the crude oil pipeline.
Disclosure of Invention
The summary of the invention is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
In order to solve the technical problems mentioned in the background section above, the present invention provides a crude oil pipeline control system for anti-solidification petroleum transportation, comprising: the acquisition device is used for acquiring a state signal of the crude oil pipeline; the heat pipe valve controls the electromagnetic valve, is used for realizing the opening and closing angle change of the heat pipe valve according to the electric signal input; the crude oil pipeline control system also comprises a control device which is used for sending a control signal to the heat pipe valve control electromagnetic valve according to the state signal sent by the acquisition device so as to control the opening and closing angle of the heat pipe valve.
Further, the status signal of the crude oil pipeline comprises a pressure value signal inside the crude oil pipeline; the control device sends a control signal to the heat pipe valve control electromagnetic valve according to the pressure value signal in the crude oil pipeline.
Further, the collection device comprises a plurality of pressure collection units, the plurality of pressure collection units are distributed in the crude oil pipeline at equal intervals, the plurality of pressure collection units all transmit pressure numerical value signals to the control device, and the control device transmits control signals to the heat pipe valve control electromagnetic valve according to the pressure numerical value signals collected by the plurality of pressure collection units.
Further, the heat pipe valve comprises a plurality of heat pipe valve control electromagnetic valves, and one heat pipe valve control electromagnetic valve is arranged between two adjacent pressure acquisition units.
Further, the relationship between the opening and closing angle θ of the heat pipe valve and the pressure F collected by the pressure collecting unit is:
wherein θ represents the opening and closing angle of the heat pipe valve, mu represents the angle opening and closing coefficient,and->Respectively representing the pressure values acquired by two adjacent pressure acquisition units on the pipeline.
As another aspect of the present invention, the present invention provides a crude oil pipeline control method for anti-solidification petroleum transportation, the crude oil pipeline including a collecting device for obtaining a status signal of the crude oil pipeline; the heat pipe valve controls the electromagnetic valve, is used for realizing the opening and closing angle change of the heat pipe valve according to the electric signal input; the control device is used for sending a control signal to the heat pipe valve control electromagnetic valve according to the state signal sent by the acquisition device so as to control the opening and closing angle of the heat pipe valve; wherein the control device comprises: the main controller is electrically connected with the acquisition device and the heat pipe valve control electromagnetic valve to receive control signals of the acquisition device and the heat pipe valve control electromagnetic valve; the control method comprises the following steps:
responding to a state signal of the crude oil pipeline sent by the acquisition device, and obtaining a pressure numerical value signal at equidistant positions on the crude oil pipeline;
judging whether the absolute value of the subtraction of the pressure numerical value signals at two adjacent equidistant positions on the crude oil pipeline is larger than a set differential pressure threshold value or not;
and if so, sending a control signal for opening the corresponding angle to the heat pipe valve control electromagnetic valve.
As still another aspect of the present invention, there is provided a crude oil pipeline for anti-solidification petroleum transportation, comprising the above crude oil pipeline control system for anti-solidification petroleum transportation, further comprising a crude oil pipeline for transporting crude oil; a heat pipe having an accommodating space therein for moving water vapor; wherein the heat pipe is arranged in parallel with the crude oil pipeline; the crude oil pipeline further comprises: and the heating device is arranged at the periphery of the crude oil pipeline to spray the water vapor in the heat pipe to the periphery of the crude oil pipeline.
Further, the heating device comprises a support, a moving part, an air pipe part, an air injection part and a conversion part, wherein the moving part is arranged on one side of the support, one end of the air pipe part is communicated with the heat pipe, the other end of the air pipe part is provided with the air injection part, the air injection part is connected to the support, and the conversion part is arranged on the support.
Further, the support is annular, and the moving part sets up between support and crude oil pipeline, and the moving part is equipped with a plurality ofly, and a plurality of moving parts equidistance are arranged in the support.
Further, the air injection piece comprises an air chamber and a plurality of nozzles, the nozzles are arranged in the air chamber at equal intervals, the nozzles are movably connected with the air chamber, and the nozzles are fixedly connected with the conversion piece.
Further, the conversion piece contains the horizontal pole, and nozzle swing joint is in the horizontal pole, and the horizontal pole both ends are equipped with magnet, and crude oil pipeline is equipped with the magnet that repels with horizontal pole both ends magnet magnetism on horizontal pole length direction's extension line.
The invention has the beneficial effects that: provided are a crude oil pipeline for anti-solidification petroleum transportation, a control system thereof, and a control method thereof, which can adjust the amount of steam heating the pipeline according to the severity of clogging caused by solidification in the crude oil pipeline.
In particular, the method comprises the steps of,
1, the invention judges whether the crude oil pipeline is blocked or not by arranging the acquisition device on the crude oil pipeline for acquiring the pressure signal difference in the crude oil pipeline.
The heating device is arranged on the periphery of the crude oil pipeline, and the heating device comprises a moving part which can move on the periphery of the crude oil pipeline to heat the blocked crude oil pipeline so as to melt the solidified crude oil in the pipeline.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the invention and are not to be construed as unduly limiting the invention.
In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.
In the drawings:
FIG. 1 is a schematic diagram of a crude oil pipeline control system for anti-freeze oil transportation according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of the steps of a method for controlling a crude oil pipeline for anti-freeze petroleum transportation according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of the front view of a crude oil pipeline for anti-freeze petroleum transportation according to one embodiment of the present invention;
FIG. 4 is a schematic side view of a crude oil pipeline for anti-freeze petroleum transportation according to one embodiment of the invention;
meaning of reference numerals in the drawings:
100. a collection device; 110. a pressure acquisition unit;
200. a control device;
300. a heat pipe valve; 310. a heat pipe valve controls an electromagnetic valve;
400. a crude oil pipeline;
500. a heat pipe;
600. a heating device; 610. a bracket; 620. a moving member; 630. a gas pipe fitting; 640. an air jet member; 641. a gas chamber; 642. a nozzle; 650. a conversion member; 651. a cross bar; 652. and (3) a magnet.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be further noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like in the description of the present invention, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.
Furthermore, the terms "horizontal," "vertical," and the like in the description of the present invention, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this application
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those skilled in the art will appreciate that "one or more" is intended to be construed as "one or more" unless the context clearly indicates otherwise.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, a crude oil pipeline control system for anti-solidification petroleum transportation according to the present invention comprises: the acquisition device 100 is used for acquiring a state signal of the crude oil pipeline 400; a heat pipe valve control solenoid valve 310 for implementing the opening and closing angle change of the heat pipe valve 300 according to an input electrical signal; the crude oil pipeline control system further comprises a control device 200 for sending a control signal to the heat pipe valve control electromagnetic valve 310 according to the status signal sent by the acquisition device 100 so as to control the opening and closing angle of the heat pipe valve 300.
Specifically, the collecting device 100 is disposed inside the crude oil pipe 400 for collecting the pressure of the flow of crude oil inside the crude oil pipe 400, the condition inside the crude oil pipe 400 is obtained by measuring the pressure change inside the crude oil pipe 400, when the pressure at a certain section inside the crude oil pipe 400 is increased, the pipe diameter inside the section of crude oil pipe 400 is changed according to the bernoulli principle, and the solidification phenomenon of crude oil is likely to occur, so that the section of crude oil pipe 400 needs to be dredged, and the collecting device 100 is disposed at the same distance of the crude oil pipe 400, so that the blockage condition inside the section of crude oil pipe 400 can be obtained.
Specifically, most of the crude oil pipeline 400 is buried in the deep ground, if the crude oil pipeline 400 is to be manually dredged, external heating of the ground and the high-pressure jacking technology are required to be matched for dredging, namely, the maximum working pressure of the crude oil pipeline 400 is used for jacking and extruding, the high-pressure jacking technology is only required to be carried out at one end of the crude oil pipeline 400, but the excavation is a very difficult construction project, therefore, a heat pipe 500 is arranged at the upper part of the crude oil pipeline 400, water vapor with higher temperature is arranged in the heat pipe 500, when the phenomenon of blockage occurs in a certain section of the crude oil pipeline 400 according to the information obtained by the acquisition device 100, the crude oil pipeline 400 can be heated by discharging the water vapor in the heat pipe 500 to the crude oil pipeline 400, and the dredging of the crude oil pipeline 400 can be realized by matching the water vapor with the high-pressure jacking technology.
More specifically, a crude oil pipeline 400 connected to the heat pipe 500 is disposed above each crude oil pipeline 400 with a collection device 100 disposed thereon, a heat pipe valve 300 is disposed in the crude oil pipeline 400, and vapor in the heat pipe 500 can be discharged to the external surface of the crude oil pipeline 400 through the crude oil pipeline 400 by opening and closing the heat pipe valve 300, so that the solidified crude oil in the crude oil pipeline 400 is heated by the vapor in the heat pipe 500, and remelted to dredge the crude oil pipeline 400.
In a particular embodiment, the status signal of the crude oil conduit 400 comprises a pressure value signal inside the crude oil conduit 400; wherein the control device 200 sends a control signal to the heat pipe valve control solenoid valve 310 according to the pressure value signal inside the crude oil pipe 400. The collection device 100 comprises a plurality of pressure collection units 110, the plurality of pressure collection units 110 are equidistantly distributed in the crude oil pipeline 400, the plurality of pressure collection units 110 all transmit pressure value signals to the control device 200, and the control device 200 transmits control signals to the heat pipe valve control electromagnetic valve 310 according to the pressure value signals collected by the plurality of pressure collection units 110. The heat pipe valve 300 includes a plurality of heat pipe valve control solenoid valves 310, and one heat pipe valve control solenoid valve 310 is disposed between two adjacent pressure acquisition units 110.
Specifically, by arranging the plurality of pressure acquisition units 110 in the crude oil pipeline 400, and the distances between the plurality of pressure acquisition units 110 are equal, when the pressure values acquired by the plurality of pressure acquisition units 110 in real time are transmitted to the control device 200, according to the pressure values acquired by the pressure acquisition units 110 at each point, it can be determined which section of the crude oil pipeline 400 is blocked, and the blocked portion of the crude oil pipeline 400 can be positioned in a shorter time, so that further measures can be taken.
More specifically, the heat pipe valve 300 includes a plurality of heat pipe valve control solenoid valves 310, that is, each heat pipe valve control solenoid valve 310 can open one heat pipe valve 300, one heat pipe valve 300 is disposed between two adjacent pressure acquisition units 110, when the control device 200 locates that a section of crude oil pipeline 400 is blocked according to the pressure value acquired by the pressure acquisition units 110, only the corresponding heat pipe valve 300 of the section needs to be opened to perform heat treatment on the blocked position, and then the section of blockage can be dredged by matching with high-pressure jacking.
In a specific embodiment, the relationship between the opening and closing angle θ of the heat pipe valve 300 and the pressure F collected by the pressure collection unit 110 is:
where θ represents the opening and closing angle of the heat pipe valve 300, mu represents the angle opening and closing coefficient,and->Respectively represent crude oil pipelines400, and the pressure values acquired by two adjacent pressure acquisition units 110.
Specifically, collectThe pressure value at the location is collected again +.>The pressure value at the location, in order to avoid acquisition errors, for +.>And->The pressure value at the position is collected 5 times per minute, the median value and the average value of the 5 times data are transmitted to the control device 200, the control device 200 performs difference on the two groups of data, the absolute value of the difference value is compared with the threshold value of the set pressure difference value, further judgment processing is performed, a control signal of the opening and closing angle is sent to the heat pipe valve control electromagnetic valve 310 according to the judgment result, the opening and closing angle of the heat pipe valve 300 is associated with the pressure difference between two adjacent positions, further the effect of saving energy is achieved, and according to the formula, when the pressure difference is larger, the opening and closing angle of the heat pipe valve 300 is larger, the corresponding amount of water vapor sprayed from the heat pipe 500 is larger, and the crude oil pipeline 400 can be dredged in a shorter time.
As shown in fig. 2, the crude oil pipeline control method for anti-solidification petroleum transportation according to the present invention includes an acquisition device 100 for acquiring a status signal of a crude oil pipeline 400; a heat pipe valve control solenoid valve 310 for implementing the opening and closing angle change of the heat pipe valve 300 according to an input electrical signal; the control device 200 is configured to send a control signal to the heat pipe valve control electromagnetic valve 310 according to the status signal sent by the acquisition device 100, so as to control the opening and closing angle of the heat pipe valve 300; wherein, the control device 200 comprises: the main controller is electrically connected with the acquisition device 100 and the heat pipe valve control electromagnetic valve 310 to receive control signals thereof.
The control method comprises the following steps:
s101: in response to the status signal of the crude oil pipe 400 sent by the acquisition device 100, acquiring a pressure value signal at equidistant positions on the crude oil pipe 400;
s102: judging whether the absolute value of the subtraction of the pressure numerical value signals at two adjacent equidistant positions on the crude oil pipeline 400 is larger than a set differential pressure threshold value or not;
s103: if so, a control signal for opening the corresponding angle is sent to the heat pipe valve control solenoid valve 310, and if not, a control signal for opening the corresponding angle is not sent to the heat pipe valve control solenoid valve 310.
As shown in fig. 3 and 4, some embodiments of the present invention provide a crude oil pipeline for anti-freeze oil transportation, which further includes a crude oil pipeline 400 for transporting crude oil; a heat pipe 500 having an accommodating space therein to supply water vapor to move; wherein the heat pipe 500 is disposed in parallel with the crude oil pipe 400; crude oil pipeline 400 further includes: the heating device 600, the heating device 600 is sleeved on the periphery of the crude oil pipeline 400 to spray the water vapor in the heat pipe 500 to the periphery of the crude oil pipeline 400.
Specifically, one end of the heat pipe 500 is connected to an exhaust port of a diesel engine or a gas turbine that drives a pump, and these vapors are sent to one side of the crude oil pipe 400 through the heat pipe 500. The length of the heat pipe 500 is consistent with the length of the crude oil pipeline 400, so that any position of the crude oil pipeline 400 can be covered by the water vapor in the heat pipe 500.
More specifically, the heating device 600 includes a support 610, a moving member 620, an air pipe 630, an air injection member 640 and a conversion member 650, wherein the moving member 620 is disposed on one side of the support 610, one end of the air pipe 630 is communicated with the heat pipe 500, the other end of the air pipe 630 is provided with the air injection member 640, the air injection member 640 is connected to the support 610, and the conversion member 650 is disposed on the support 610. The support 610 is in a ring shape, the moving members 620 are disposed between the support 610 and the crude oil pipeline 400, the moving members 620 are provided with a plurality of moving members 620, and the moving members 620 are equidistantly disposed between the support 610. The air injector 640 includes an air chamber 641 and a plurality of nozzles 642, the plurality of nozzles 642 are equidistantly disposed in the air chamber 641, the nozzles 642 are movably connected with the air chamber 641, and the nozzles 642 are fixedly connected with the switching element 650. The conversion member 650 includes a cross bar 651, the nozzle 642 is movably connected to the cross bar 651, magnets 652 are provided at both ends of the cross bar 651, and the crude oil pipe 400 is provided with magnets magnetically repulsive to the magnets 652 at both ends of the cross bar 651 on an extension line of the cross bar 651 in the longitudinal direction.
The heating device 600 is integrally sleeved on the periphery of the crude oil pipeline 400, the support 610 forms the outer contour of the heating device 600, the moving part 620 is specifically a wheel, the moving part 620 is movably connected to the support 610, the support 610 moves on the outer wall of the crude oil pipeline 400 through the moving part 620, three moving parts 620 are arranged, and the angle between the three moving parts 620 is 120 degrees.
The air injector 640 is provided with an air chamber 641 and a nozzle 642, wherein the air chamber 641 is used for buffering high-pressure steam in the heat pipe 500, so that the high-pressure steam is prevented from directly acting on the outer wall of the crude oil pipeline 400 to damage the outer wall of the crude oil pipeline 400. The nozzle 642 is disposed at one side of the air chamber 641 near the crude oil pipeline 400, one end of the nozzle 642 is movably connected to the air chamber 641, that is, an acute included angle is formed between the air outlet direction of the nozzle 642 and the gravity direction, when the steam is ejected from the nozzle 642, the nozzle 642 serves as a power source of the heating device 600 because the steam has a certain included angle with the length direction of the crude oil pipeline 400, that is, after the air is ejected, the moving member 620 can move under the action of the air ejection of the nozzle 642, so that the heating device 600 can move on the outer wall of the crude oil pipeline 400, and the place where the heating device 600 moves can be heated uniformly.
The conversion member 650 includes a cross bar 651, the cross bar 651 penetrates through the whole air chamber 641, the cross bar 651 connects a row of nozzles 642 in the length direction of the crude oil pipeline 400 in series, magnets 652 are arranged at two ends of the cross bar 651, a magnet magnetically repulsive to the magnets 652 at two ends of the cross bar 651 is arranged on the outer wall of the crude oil pipeline 400 at the position where the pressure acquisition unit 110 is arranged, when the moving member 620 moves to the magnet 652 at one end under the driving of the nozzles 642, the magnets 652 on the cross bar 651 and the magnets at one end generate repulsive reaction, and then the cross bar 651 moves in the length direction, at this time, the nozzles 642 movably connected with the cross bar 651 rotate under the driving of the cross bar 651, namely, the angle between the air outlet direction of the nozzles 642 and the previous air outlet direction is 90 degrees, steam in the nozzles 642 is sprayed out, the moving member 620 drives the heating device 600 to move reversely until the magnets 652 at the other end of the cross bar 651 are close to the magnets arranged in the advancing direction of the crude oil pipeline, repulsive action is generated again, the direction of the cross bar 651 is reversed, the moving member 620 commutates again, and the heating device 600 is periodically, the crude oil is reciprocally moved around the periphery of the pipeline 400, and the inside the pipeline is blocked.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (7)
1. A crude oil pipeline control system for anti-freeze petroleum transportation comprising:
the system comprises an acquisition device (100) for acquiring a status signal of a crude oil pipeline (400);
a heat pipe valve control electromagnetic valve (310) for realizing the opening and closing angle change of the heat pipe valve (300) according to the input electric signal;
the method is characterized in that:
the crude oil pipeline control system further comprises:
the control device (200) is used for sending a control signal to the heat pipe valve control electromagnetic valve (310) according to the state signal sent by the acquisition device (100) so as to control the opening and closing angle of the heat pipe valve (300);
-the status signal of the crude oil pipe (400) comprises a pressure value signal inside the crude oil pipe (400);
wherein the control device (200) sends a control signal to the heat pipe valve control solenoid valve (310) according to a pressure value signal inside the crude oil pipeline (400);
the collecting device (100) comprises a plurality of pressure collecting units (110), the pressure collecting units (110) are equidistantly distributed in the crude oil pipeline (400), the pressure collecting units (110) all transmit pressure numerical value signals to the control device (200), and the control device (200) transmits control signals to the heat pipe valve control electromagnetic valve (310) according to the pressure numerical value signals collected by the pressure collecting units (110);
the heat pipe valve (300) comprises a plurality of heat pipe valve control electromagnetic valves (310), and one heat pipe valve control electromagnetic valve (310) is arranged between two adjacent pressure acquisition units (110);
the relation between the opening and closing angle of the heat pipe valve (300) and the pressure F acquired by the pressure acquisition unit (110) is as follows:
wherein θ represents the opening and closing angle of the heat pipe valve (300), μ represents the angle opening and closing coefficient,and->Respectively representing the pressure values acquired by two adjacent pressure acquisition units (110) on the pipeline;
the upper part of the crude oil pipeline (400) is provided with a heat pipe (500), the heat pipe (500) is internally provided with water vapor with higher temperature, and the water vapor in the heat pipe (500) can be discharged to the outer surface of the crude oil pipeline (400) through opening and closing the heat pipe valve (300).
2. A crude oil pipeline control method for anti-solidification petroleum transportation, based on the crude oil pipeline control system for anti-solidification petroleum transportation according to claim 1, characterized in that:
the control method comprises the following steps:
responding to a state signal of the crude oil pipeline (400) sent by the acquisition device (100), and obtaining a pressure value signal at equidistant positions on the crude oil pipeline (400);
judging whether the absolute value of the subtraction of the pressure numerical value signals at two adjacent equidistant positions on the crude oil pipeline (400) is larger than a set differential pressure threshold value or not;
and if so, sending a control signal for opening the corresponding angle to the heat pipe valve control electromagnetic valve (310).
3. A crude oil pipeline for anti-solidification petroleum transportation comprising the crude oil pipeline control system for anti-solidification petroleum transportation according to claim 1, further comprising,
a crude oil pipe (400) for transporting crude oil;
a heat pipe (500) having an accommodating space therein for moving water vapor;
wherein the heat pipe (500) is arranged in parallel with the crude oil pipeline (400);
the method is characterized in that:
the crude oil pipeline (400) further comprises:
and the heating device (600) is sleeved on the periphery of the crude oil pipeline (400) so as to spray the water vapor in the heat pipe (500) to the periphery of the crude oil pipeline (400).
4. A crude oil pipeline for anti-freeze petroleum transportation according to claim 3, wherein:
the heating device (600) comprises a support (610), a moving part (620), an air pipe (630), an air injection part (640) and a conversion part (650), wherein the moving part (620) is arranged on one side of the support (610), one end of the air pipe (630) is communicated with the heat pipe (500), the other end of the air pipe (630) is provided with the air injection part (640), the air injection part (640) is connected onto the support (610), and the conversion part (650) is arranged on the support (610).
5. The anti-freeze crude oil pipeline for petroleum transportation according to claim 4, wherein:
the support (610) is circular, the moving parts (620) are arranged between the support (610) and the crude oil pipeline (400), the moving parts (620) are provided with a plurality of moving parts (620) which are equidistantly distributed on the support (610).
6. The anti-freeze crude oil pipeline for petroleum transportation according to claim 5, wherein:
the air injection piece (640) comprises an air chamber (641) and nozzles (642), a plurality of nozzles (642) are arranged, the nozzles (642) are equidistantly arranged in the air chamber (641), the nozzles (642) are movably connected with the air chamber (641), and the nozzles (642) are fixedly connected with the conversion piece (650).
7. The anti-freeze crude oil pipeline for petroleum transportation according to claim 6, wherein:
the conversion piece (650) contains horizontal pole (651), nozzle (642) swing joint is in horizontal pole (651), horizontal pole (651) both ends are equipped with magnet (652), crude oil pipeline (400) are equipped with the magnet that repels with horizontal pole (651) both ends magnet (652) magnetism on the extension line of horizontal pole (651) length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311464620.6A CN117190074B (en) | 2023-11-07 | 2023-11-07 | Crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311464620.6A CN117190074B (en) | 2023-11-07 | 2023-11-07 | Crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117190074A CN117190074A (en) | 2023-12-08 |
| CN117190074B true CN117190074B (en) | 2024-01-30 |
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| CN202311464620.6A Active CN117190074B (en) | 2023-11-07 | 2023-11-07 | Crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof |
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| CN117190074A (en) | 2023-12-08 |
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