CN115507302A - Energy-saving anti-blocking device for thick oil transportation - Google Patents

Energy-saving anti-blocking device for thick oil transportation Download PDF

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Publication number
CN115507302A
CN115507302A CN202211352591.XA CN202211352591A CN115507302A CN 115507302 A CN115507302 A CN 115507302A CN 202211352591 A CN202211352591 A CN 202211352591A CN 115507302 A CN115507302 A CN 115507302A
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CN
China
Prior art keywords
pipe
oil
driving
oil pipe
connecting cylinder
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Granted
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CN202211352591.XA
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Chinese (zh)
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CN115507302B (en
Inventor
冯鹏
樊林栋
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Xiyi Kunsheng Beijing Technology Co ltd
Renqiu Huabei Petroleum Chengda Energy Saving Equipment Co ltd
Original Assignee
Xiyi Kunsheng Beijing Technology Co ltd
Renqiu Huabei Petroleum Chengda Energy Saving Equipment Co ltd
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Priority to CN202211352591.XA priority Critical patent/CN115507302B/en
Publication of CN115507302A publication Critical patent/CN115507302A/en
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Publication of CN115507302B publication Critical patent/CN115507302B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
    • F17D1/17—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by mixing with another liquid, i.e. diluting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/002—Influencing flow of fluids by influencing the boundary layer
    • F15D1/0065—Influencing flow of fluids by influencing the boundary layer using active means, e.g. supplying external energy or injecting fluid
    • F15D1/008—Influencing flow of fluids by influencing the boundary layer using active means, e.g. supplying external energy or injecting fluid comprising fluid injection or suction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/0095—Influencing flow of fluids by means of injecting jet pulses of fluid wherein the injected fluid is taken from the fluid and re-injected again, e.g. synthetic jet actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/025—Influencing flow of fluids in pipes or conduits by means of orifice or throttle elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/08—Influencing flow of fluids of jets leaving an orifice
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
    • F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/32—Heating of pipes or pipe systems using hot fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/14—Conveying liquids or viscous products by pumping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
    • F17D1/18—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product

Abstract

The invention discloses an energy-saving anti-blocking device for thick oil migration, which relates to the technical field of thick oil migration and aims to solve the technical problem of how to improve the flowability of crude oil in a deep well; it is connected on interior oil pipe, and interior oil pipe is arranged in outer oil pipe, includes: the rotary driving component is connected in the inner oil pipe and is provided with a rotary end, when oil in the inner oil pipe is lifted and passes through the rotary driving component, the rotary driving component can drive the rotary end to rotate, the rotary end can drive the first anti-blocking mechanism to perform anti-blocking action, and the rotary end is also fixedly provided with a movable valve; a connecting cylinder connected to an upper portion of the rotary driving assembly, and having a fixed valve provided therein; the flexible drive assembly, it sets up in the connecting cylinder, and flexible drive assembly has a flexible end, can drive the oil when the moving valve carries out periodic rotation and carry out the pulsed and carry to the flexible end of drive carries out the axial and stretches out and draws back, and flexible end can drive the second and prevent stifled mechanism and prevent stifled action, can realize preventing stifled effect of preferred.

Description

Energy-saving anti-blocking device for thick oil transportation
Technical Field
The invention relates to the technical field of thick oil migration, in particular to an energy-saving anti-blocking device for thick oil migration.
Background
The heavy oil is often separated out in the process of transporting, so that a channel is blocked, the crude oil is finally caused to lose fluidity, and the normal production and transportation of the crude oil are seriously influenced.
Therefore, it is necessary to provide an energy-saving anti-blocking device for thick oil transportation to solve the above problems in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a viscous crude migration is energy-conserving prevents stifled device, its connects on interior oil pipe, interior oil pipe is arranged in outer oil pipe, outer oil pipe embedding is to the viscous crude wall of a well on, include:
the rotary driving assembly is connected in the inner oil pipe and is provided with a rotary end, when oil in the inner oil pipe is lifted and passes through the rotary driving assembly, the rotary end can be driven to rotate around the axis of the rotary end, the rotary end can drive the first anti-blocking mechanism to perform anti-blocking action, and a movable valve is further fixed on the rotary end;
a connecting cylinder connected to an upper portion of the rotary driving assembly, and having a fixed valve provided therein;
the telescopic driving assembly is arranged in the connecting cylinder and is provided with a telescopic end, when the movable valve rotates periodically, the movable valve can drive oil to carry out pulse type conveying, so that the telescopic end is driven to axially extend and retract, and the telescopic end can drive the second anti-blocking mechanism to carry out anti-blocking action; and
and the cavitation and heating component is connected to the outside of the inner oil pipe in series and is used for filling heating fluid into oil products in the inner oil pipe.
Further, preferably, the cavitation and heating unit includes:
the inner oil inlet pipe is communicated to the upper part of the telescopic driving assembly and is of a through pipe structure;
the nozzle is fixedly embedded at the position of an oil inlet of the inner oil inlet pipe; and
the mixing pipe is arranged in the inner oil inlet pipe, the bottom of the mixing pipe is wrapped by the nozzle in a clearance mode, a clearance I exists between the bottom of the mixing pipe and the nozzle, the top of the mixing pipe is communicated with the inner oil pipe, one side of the inner oil inlet pipe is provided with a flow guide port, and heating fluid is supplied to the flow guide port through the flow supply pipe by external liquid supply equipment;
and the middle part of the mixing pipe is of a straight pipe structure, and the top part of the mixing pipe is of a horn-shaped structure with an upward opening.
Further, preferably, the rotary drive assembly includes:
the bottom of the pipe body is communicated with the inner oil pipe, and the top of the pipe body is communicated with the connecting cylinder;
the outer driving piece is arranged on the inner wall of the pipe body; and
and the inner driving piece can be arranged in the outer driving piece in a relatively rotating mode, a second gap is formed between the inner driving piece and the outer driving piece, and when the oil product passes through the second gap, the inner driving piece can be driven to rotate relatively to the outer driving piece.
Further, as preferred, the bottom and the interior oil pipe of body rotate and link to each other, the top and the connecting cylinder of body rotate and link to each other, interior driving piece is the stator structure, and is fixed in the oil pipe, outer driving piece is rotor structure, outer driving piece is regarded as the rotatory end of rotary drive subassembly, the body directly links to each other with first anti-blocking mechanism.
Further, as preferred, the bottom and the interior oil pipe of body are fixed to be linked to each other, and the top is fixed to be linked to each other with the connecting cylinder, interior driving piece is rotor structure, outer driving piece is stator structure, the embedding has a plurality of first magnets in the interior driving piece, first stifled mechanism of preventing rotates the cover and locates the outside of body, just be provided with a plurality of second magnets corresponding with first magnet in the first stifled mechanism of preventing, first magnet is the setting of attracting each other with second magnet.
Further, preferably, the first anti-blocking mechanism is an oil-equalizing paddle.
Further, preferably, the telescopic driving assembly includes:
the piston is arranged in the connecting cylinder in a sealing and sliding mode, and a channel is formed in the middle of the piston;
the inner pipe is fixedly communicated above the piston;
the outer tube is fixedly communicated with the upper end of the connecting cylinder, an annular inner clamping shoulder is arranged on the inner wall of the outer tube, an annular outer clamping shoulder is arranged on the outer wall of the inner tube, and a plurality of high-elasticity poking pieces are connected between the annular inner clamping shoulder and the annular outer clamping shoulder; and
a cross bar as a telescopic end of the telescopic driving assembly, which is radially connected to the outer wall of the inner pipe;
the connecting cylinder is provided with a through groove so that the cross rod can penetrate through the through groove.
Further, as preferred, the second prevents that stifled mechanism is the scraper blade, and its vertical is fixed in on the horizontal pole, the scraper blade can be cleared up outer oil pipe's inner wall.
Further, as preferred, stifled mechanism is for pulverizing the subassembly that refines for the second, pulverize the subassembly and include the actuating lever and pulverize the dish, wherein the actuating lever is vertical to be fixed in on the horizontal pole, pulverize the fixed cover of dish and locate on the outer wall of connecting cylinder, pulverize and seted up a plurality of horn holes on the dish, be fixed with a plurality of crushing section of thick bamboo that correspond with the horn hole on the actuating lever.
Further, preferably, the second anti-blocking mechanism is a combination of a scraper and a grinding and refining assembly, the scraper is vertically fixed on the cross rod, and the scraper can clean the inner wall of the outer oil pipe;
the grinding and refining assembly comprises a driving rod and a grinding disc, wherein the driving rod is vertically fixed on the cross rod, the grinding disc is fixedly sleeved on the outer wall of the connecting cylinder, a plurality of horn holes are formed in the grinding disc, and a plurality of grinding cylinders corresponding to the horn holes are fixed on the driving rod.
Compared with the prior art, the invention provides an energy-saving anti-blocking device for thick oil transportation, which has the following beneficial effects:
1. in the invention, the rotary driving component, the telescopic driving component, the cavitation and heating component are all of pure mechanical structures, so the thickened oil transportation energy-saving anti-blocking device can be arranged in a deeper thickened oil well, and the adaptability of the device is improved;
2. according to the invention, two anti-blocking mechanisms are respectively a first anti-blocking mechanism and a second anti-blocking mechanism, and the first anti-blocking mechanism and the second anti-blocking mechanism are matched with each other to realize a better anti-blocking effect;
3. in the invention, a plurality of rotary driving components and telescopic driving components can be configured in the inner oil pipe so as to carry out anti-blocking treatment on a plurality of positions;
4. in the invention, after the heating fluid is mixed with the thickened oil, the thickened oil can be heated, and paraffin or colloid asphalt precipitation is reduced;
5. in the invention, the second anti-blocking mechanism is a scraper, a grinding and refining component or a combination of the scraper and the grinding and refining component, so that the device is flexible and has strong functionality.
Drawings
FIG. 1 is a schematic structural diagram of a thickened oil transportation energy-saving anti-blocking device;
FIG. 2 is a schematic structural view of a cavitation and heating component of the energy-saving anti-blocking device for transporting thick oil;
FIG. 3 is a first structural schematic diagram of a rotary driving assembly and a telescopic driving assembly in the thick oil transportation energy-saving anti-blocking device;
FIG. 4 is a schematic structural diagram II of a rotary driving assembly and a telescopic driving assembly in the thick oil transportation energy-saving anti-blocking device;
FIG. 5 is a third schematic structural view of a rotary driving assembly and a telescopic driving assembly in the energy-saving anti-blocking device for thickened oil transportation;
FIG. 6 is a fourth schematic structural view of a rotary driving assembly and a telescopic driving assembly in the energy-saving anti-blocking device for thick oil transportation;
in the figure: 1. an outer oil pipe; 2. an inner oil pipe; 3. a rotary drive assembly; 4. a valve; 5. a connecting cylinder; 6. valve fixing; 7. homogenizing oil and stirring leaves; 8. a telescopic drive assembly; 9. entering an inner oil pipe; 10. a nozzle; 11. a mixing tube; 12. a flow guide port; 13. a throat; 14. a diffuser tube; 31. a pipe body; 32. an external drive member; 33. an inner drive member; 34. a first magnet; 35. a second magnet; 36. a connecting shaft; 81. a piston; 82. an inner tube; 83. an outer tube; 84. a high-elastic pick; 85. a drive rod; 86. a grinding pan; 87. and a scraper.
Detailed Description
The first embodiment is as follows: referring to fig. 1, 2 and 4, in an embodiment of the present invention, a thick oil transportation energy saving anti-blocking device is connected to an inner oil pipe 2, the inner oil pipe 2 is located in an outer oil pipe 1, the outer oil pipe 1 is embedded into a thick oil well wall, and suction pumps are arranged on the inner oil pipe 2 and the outer oil pipe 1 and used for lifting thick oil upwards; energy-conserving anti-blocking device of viscous crude migration includes:
the rotary driving assembly 3 is connected in the inner oil pipe 2 and is provided with a rotary end, when oil in the inner oil pipe 2 is lifted and passes through the rotary driving assembly 3, the rotary end can be driven to rotate around the axis of the rotary end, the rotary end can drive the first anti-blocking mechanism to perform anti-blocking action, and a movable valve 4 is further fixed on the rotary end;
a connecting cylinder 5 connected to an upper portion of the rotary drive assembly 3, and a fixed valve 6 is provided in the connecting cylinder 5;
the telescopic driving assembly 8 is arranged in the connecting cylinder 5, the telescopic driving assembly 8 is provided with a telescopic end, when the movable valve 4 rotates periodically, the movable valve can drive oil to carry out pulse type conveying, so that the telescopic end is driven to stretch axially, and the telescopic end can drive the second anti-blocking mechanism to carry out anti-blocking action; and
and the cavitation and heating assembly is connected to the outside of the inner oil pipe 2 in series and is used for filling heating fluid into oil products in the inner oil pipe 2.
That is to say, in this embodiment, two anti-blocking mechanisms are configured to be a first anti-blocking mechanism and a second anti-blocking mechanism, respectively, and the first anti-blocking mechanism and the second anti-blocking mechanism are matched with each other to achieve a better anti-blocking effect;
in addition, the rotary driving assembly 3 and the telescopic driving assembly 8 can be arranged in the middle of the inner oil pipe 2 or at a position close to the upper part of the inner oil pipe 2, and preferably, a plurality of rotary driving assemblies 3 and telescopic driving assemblies 8 can be arranged in the inner oil pipe 2;
it should also be explained that thick oil or oil that is easily waxed, is at a high temperature and a high pressure at the bottom of the well, so that the fluidity is good. Therefore, the oil product has good fluidity and does not wax when just entering the inner oil pipe 2. When the oil pipe is continuously lifted to the ground along the inner oil pipe, the pressure drops suddenly, the temperature is reduced, the oil product becomes viscous, the fluidity is reduced, and intermolecular wax crystals are separated out, so that the inner oil pipe is blocked. The blocking position is about 400m below the wellhead, so that the rotary driving component 3, the telescopic driving component 8 and the cavitation and heating component can be reasonably deployed according to the actual situation;
in addition, it should be noted that in this embodiment, the rotary driving component 3, the telescopic driving component 8, the cavitation and heating component are all of pure mechanical structures, so the thick oil transportation energy-saving anti-blocking device can also be placed in a deep thick oil well, and the adaptability of the device is improved.
Additionally, the cavitation and heating assembly includes:
an inner oil inlet pipe 9 which is communicated to the upper part of the telescopic driving component 8 and is of a through pipe structure;
the nozzle 10 is fixedly embedded at the oil inlet position of the inner oil inlet pipe 9; and
a mixing pipe 11 disposed in the inner oil inlet pipe 9, wherein the bottom of the mixing pipe 11 wraps the nozzle 10, a gap exists between the bottom of the mixing pipe 11 and the nozzle 10, the top of the mixing pipe 11 is communicated with the inner oil pipe, one side of the inner oil inlet pipe 9 is provided with a flow guide port 12, and the flow guide port is supplied with a heating fluid by an external liquid supply device (not shown);
and the middle part of the mixing pipe 11 is of a straight pipe structure, and the top part of the mixing pipe is of a trumpet-shaped structure with an upward opening.
It should be explained that the heating fluid is pressurized by the surface pump body assembly, which is a conventional device and is not described herein again, when the oil passes through the nozzle 10, the nozzle 10 can convert the pressure energy into kinetic energy, and a low-pressure area is formed above the nozzle, and the flow supply pipe leads the heating fluid into the flow guide opening 12, then into the mixing pipe 11 through the first gap, so as to be mixed with the oil;
the middle part of the mixing pipe 11 is of a straight pipe structure, thereby forming a throat 13,
the top of the mixing pipe 11 is in a trumpet-shaped structure with an upward opening, thereby forming a diffusion pipe 14,
the kinetic energy of the heating fluid and the oil product is converted into pressure energy after being mixed in the throat pipe 13 and passing through the diffusion pipe 14, and the liquid is subjected to cavitation when the local pressure in the liquid is reduced during the energy conversion;
referring to fig. 4, the rotation driving assembly 3 includes:
the bottom of the pipe body 31 is communicated with the inner oil pipe 2, and the top of the pipe body is communicated with the connecting cylinder 5;
an external driving member 32 disposed on an inner wall of the pipe body 31; and
and the inner driving part 33 is arranged in the outer driving part 32 in a relatively rotatable manner, a second gap exists between the inner driving part 33 and the outer driving part 32, and when the oil product passes through the second gap, the inner driving part 33 can be driven to rotate relatively to the outer driving part 32.
Particularly, the bottom of body 31 rotates with interior oil pipe 2 and links to each other, the top of body 31 rotates with connecting cylinder 5 and links to each other, interior driving piece 33 is the stator structure, and adopts T style of calligraphy pole to be fixed in interior oil pipe 2, outer driving piece 32 is rotor structure, outer driving piece 32 is regarded as the rotatory end of rotation driving subassembly 3, and outer driving piece 32 set up in on the inner wall of body 31, its body 31 directly links to each other with first anti-blocking mechanism.
At this moment, the external driving member 32 can drive the rotation of the pipe body 31, and the pipe body 31 is directly connected with the first anti-blocking mechanism, so that the first anti-blocking mechanism is directly driven, more efficient power transmission is ensured, and the anti-blocking effect of the first anti-blocking mechanism is ensured.
The first anti-blocking mechanism is an oil-balancing poking blade 7, and oil can be more uniform through the oil-balancing poking blade 7.
In operation, when oil flows through the second gap between the outer drive member and the inner drive member, the outer drive member 32 can be driven to rotate relative to the inner drive member 33.
In this embodiment, the movable valve is fixedly embedded in the tube 31.
In the outer oil pipe 1, the oil-equalizing shifting blade 7 can stir and mix oil products in the outer oil pipe, so that the oil products are more uniform; in the inner oil pipe, the inner driving piece and the outer driving piece can rotate relatively, and the effect of enabling the oil product to be more uniform can be achieved;
the telescopic drive assembly 8 comprises:
the piston 81 is arranged in the connecting cylinder 5 in a sealing and sliding mode, and a channel is formed in the middle of the piston 81;
an inner tube 82 fixedly communicated above the piston 81;
the outer tube 83 is fixedly communicated with the upper end of the connecting cylinder 5, an annular inner clamping shoulder is arranged on the inner wall of the outer tube 83, an annular outer clamping shoulder is arranged on the outer wall of the inner tube 82, and a plurality of high-elasticity poking pieces 84 are connected between the annular inner clamping shoulder and the annular outer clamping shoulder; and
a cross bar as a telescopic end of the telescopic driving assembly 8, which is radially connected to the outer wall of the inner tube 82;
the connecting cylinder 5 is provided with a through groove so that the cross rod can penetrate through the through groove.
It should be further explained that the movable valve 4 and the fixed valve 6 have the same structure and are both disc structures, and the disc structures are provided with through holes, so that when the two through holes are overlapped, oil can pass through the movable valve and the fixed valve, and when the two through holes are not overlapped, oil cannot pass through the movable valve and the fixed valve.
Therefore, when the movable valve rotates periodically, the movable valve can be matched with the fixed valve to provide periodic axial pulses, and particularly, the movable valve and the fixed valve can be intermittently matched to control the flow area and realize the periodic change of the oil pressure, and the periodic change of the oil pressure is transmitted to the inner pipe 82 through the piston to enable the inner pipe to oscillate axially;
in addition, the second anti-blocking mechanism is a scraper 87 which is vertically fixed on the cross bar,
in the outer oil pipe 1, the scraper 87 can clean the inner wall of the outer oil pipe 1; in the inner oil pipe, because the movable valve and the fixed valve can be intermittently matched, the flow area is controlled, the periodic change of the oil pressure is realized, the periodic change of the oil pressure can be transmitted to the inner pipe 82 through the piston, so that the oil is axially oscillated, the oscillation of the oil is realized, and the separation of paraffin is reduced.
Example two: referring to fig. 3, a difference from the embodiment lies in that the bottom of the pipe 31 is fixedly connected to the inner oil pipe 2, the top of the pipe is fixedly connected to the connecting cylinder 5, the inner driving member 33 is of a rotor structure, the outer driving member 32 is of a stator structure, a plurality of first magnets 34 are embedded in the inner driving member 33, the first anti-blocking mechanism is rotatably sleeved outside the pipe 31, a plurality of second magnets 35 corresponding to the first magnets 34 are arranged in the first anti-blocking mechanism, and the first magnets 34 and the second magnets 35 are arranged in an attractive manner.
At this point, the inner drive member 33 acts as the rotating end of the rotary drive assembly,
in practice, when oil flows through the second gap between the outer driving element and the inner driving element, the inner driving element 33 can be driven to rotate relatively to the outer driving element 32.
In this embodiment, the valve is fixed to a connecting shaft 36, which connecting shaft 36 is fixed to the inner drive member 33.
And the inner driving member 33 is used as the rotating end of the rotary driving assembly, the stability of the whole rotary driving assembly 3 is better.
Example three: referring to fig. 5, a difference from the first embodiment is that the second anti-blocking mechanism is a grinding and refining assembly, the grinding and refining assembly includes a driving rod 85 and a grinding disc 86, wherein the driving rod 85 is vertically fixed on the cross rod, the grinding disc 86 is fixedly sleeved on the outer wall of the connecting cylinder 5, a plurality of bell-shaped holes are formed on the grinding disc 86, and a plurality of grinding cylinders corresponding to the bell-shaped holes are fixed on the driving rod 85.
Therefore, when the oil product is implemented, after passing through the bell mouth, the rolling cylinder can roll the oil product, on one hand, particles can be crushed by utilizing extrusion force, and on the other hand, the thick oil can be heated again by heat released by mechanical action, so that paraffin or colloid asphalt precipitation is reduced.
Under this condition, the circumferential direction position of connecting cylinder is then injectd in fact, consequently, works as outer driving piece 32 is as during the rotation end of rotary driving subassembly 3, can directly drive its body 31 rotatory, and body 31 directly links to each other with first stifled mechanism of preventing, has realized like this that more efficient power transmission has guaranteed to the first direct drive who prevents stifled mechanism, has guaranteed the first stifled effect of preventing to can also make the holistic stability of rotary driving subassembly 3 better.
Example four: referring to fig. 6, it is different from the first embodiment in that the second anti-blocking mechanism is a combination of a scraper 87 and a grinding and refining assembly, the scraper 87 is vertically fixed on the cross bar, and the scraper 87 can clean the inner wall of the outer oil pipe 1;
the grinding and refining assembly comprises a driving rod 85 and a grinding disc 86, wherein the driving rod 85 is vertically fixed on the cross rod, the grinding disc 86 is fixedly sleeved on the outer wall of the connecting cylinder 5, a plurality of horn holes are formed in the grinding disc 86, and a plurality of grinding cylinders corresponding to the horn holes are fixed on the driving rod 85.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (10)

1. The utility model provides a viscous crude migration is energy-conserving prevents stifled device, its connects on interior oil pipe (2), interior oil pipe (2) are located outer oil pipe (1), outer oil pipe (1) imbed to the viscous crude wall of a well on, its characterized in that includes:
the rotary driving assembly (3) is connected in the inner oil pipe (2) and is provided with a rotary end, when oil in the inner oil pipe (2) is lifted and passes through the rotary driving assembly (3), the rotary end can be driven to rotate around the axis of the rotary driving assembly, the rotary end can drive the first anti-blocking mechanism to perform anti-blocking action, and a movable valve (4) is further fixed on the rotary end;
a connecting cylinder (5) connected to an upper portion of the rotary drive assembly (3), and a fixed valve (6) is provided in the connecting cylinder (5);
the telescopic driving assembly (8) is arranged in the connecting cylinder (5), the telescopic driving assembly (8) is provided with a telescopic end, when the movable valve (4) rotates periodically, oil can be driven to carry out pulse type conveying, the telescopic end is driven to stretch axially, and the telescopic end can drive the second anti-blocking mechanism to carry out anti-blocking action; and
and the cavitation and heating component is connected in the inner oil pipe (2) in series and is used for filling heating fluid into oil products in the inner oil pipe (2).
2. The energy-saving anti-blocking device for thick oil transportation according to claim 1, characterized in that: the cavitation and heating assembly comprises:
an inner oil inlet pipe (9) which is communicated to the upper part of the telescopic driving component (8) and is of a through pipe structure;
the nozzle (10) is fixedly embedded at the oil inlet position of the inner oil inlet pipe (9); and
the mixing pipe (11) is arranged in the inner oil inlet pipe (9), the bottom of the mixing pipe (11) wraps the nozzle (10), a gap I exists between the bottom of the mixing pipe (11) and the nozzle (10), the top of the mixing pipe (11) is communicated with the inner oil pipe (2), one side of the inner oil inlet pipe (9) is provided with a flow guide opening (12), and heating fluid is supplied to the flow guide opening (12) by external liquid supply equipment through a flow supply pipe;
and the middle part of the mixing pipe (11) is of a straight pipe structure, and the top part of the mixing pipe is of a horn-shaped structure with an upward opening.
3. The energy-saving anti-blocking device for thick oil transportation according to claim 1, characterized in that: the rotary drive assembly (3) comprises:
the bottom of the pipe body (31) is communicated with the inner oil pipe (2), and the top of the pipe body is communicated with the connecting cylinder (5);
an external driving member (32) disposed on an inner wall of the pipe body (31); and
and the inner driving part (33) can be arranged in the outer driving part (32) in a relatively rotating mode, a second gap exists between the inner driving part (33) and the outer driving part (32), and when the oil product passes through the second gap, the inner driving part (33) can be driven to rotate relatively to the outer driving part (32).
4. The energy-saving anti-blocking device for thick oil transportation according to claim 3, characterized in that: the bottom of body (31) rotates with interior oil pipe (2) and links to each other, the top of body (31) rotates with connecting cylinder (5) and links to each other, interior driving piece (33) are the stator structure, and are fixed in interior oil pipe (2), outer driving piece (32) are the rotor structure, outer driving piece (32) conduct the rotatory end of rotation driving subassembly (3), body (31) directly links to each other with first anti-blocking mechanism.
5. The energy-saving anti-blocking device for thick oil transportation according to claim 3, characterized in that: the bottom and the interior oil pipe (2) of body (31) are fixed to be linked to each other, and the top is fixed with connecting cylinder (5) and links to each other, interior driving piece (33) are the rotor structure, outer driving piece (32) are the stator structure, it has a plurality of first magnet (34) to embed in interior driving piece (33), first stifled mechanism rotation cover is located the outside of body (31), just first stifled mechanism of preventing is provided with a plurality of second magnet (35) corresponding with first magnet (34), first magnet (34) are the setting of inter attraction with second magnet (35).
6. The energy-saving anti-blocking device for thick oil transportation according to claim 1, characterized in that: the first anti-blocking mechanism is an oil-equalizing poking blade (7).
7. The energy-saving anti-blocking device for thick oil transportation according to claim 1, characterized in that: the telescopic drive assembly (8) comprises:
the piston (81) is arranged in the connecting cylinder (5) in a sealing and sliding mode, and a channel is formed in the middle of the piston (81);
an inner tube (82) which is fixedly communicated above the piston (81);
the outer tube (83) is fixedly communicated with the upper end of the connecting cylinder (5), the inner wall of the outer tube (83) is provided with an annular inner clamping shoulder, the outer wall of the inner tube (82) is provided with an annular outer clamping shoulder, and a plurality of high-elasticity poking pieces (84) are connected between the annular inner clamping shoulder and the annular outer clamping shoulder; and
a cross bar as a telescopic end of the telescopic driving assembly (8) and radially connected to the outer wall of the inner pipe (82);
the connecting cylinder (5) is provided with a through groove so that the cross rod can penetrate through the through groove.
8. The energy-saving anti-blocking device for thick oil transportation according to claim 7, characterized in that: the second anti-blocking mechanism is a scraper (87) which is vertically fixed on the cross rod, and the scraper (87) can clean the inner wall of the outer oil pipe (1).
9. The energy-saving anti-blocking device for thick oil transportation according to claim 7, characterized in that: stifled mechanism is for pulverizing the thinning subassembly for the second, pulverize the thinning subassembly and include actuating lever (85) and pulverize dish (86), wherein actuating lever (85) vertical be fixed in on the horizontal pole, pulverize dish (86) fixed cover and locate on the outer wall of connecting cylinder (5), pulverize and seted up a plurality of horn holes on dish (86), be fixed with a plurality of grinding section of thick bamboos that correspond with the horn hole on actuating lever (85).
10. The energy-saving anti-blocking device for thick oil transportation according to claim 7, characterized in that: the second anti-blocking mechanism is a combination of a scraper (87) and a grinding and refining assembly, the scraper (87) is vertically fixed on the cross rod, and the scraper (87) can clean the inner wall of the outer oil pipe (1);
the grinding and refining assembly comprises a driving rod (85) and a grinding disc (86), wherein the driving rod (85) is vertically fixed on the cross rod, the grinding disc (86) is fixedly sleeved on the outer wall of the connecting cylinder (5), a plurality of horn holes are formed in the grinding disc (86), and a plurality of grinding cylinders corresponding to the horn holes are fixed on the driving rod (85).
CN202211352591.XA 2022-11-01 2022-11-01 Energy-saving anti-blocking device for heavy oil transportation Active CN115507302B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116084872A (en) * 2023-04-11 2023-05-09 任丘市华北石油铖达节能设备有限公司 Crude oil migration boosting device

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US20010030046A1 (en) * 2000-04-18 2001-10-18 Haseloh Peter Gerald Method of retarding sand build up in heavy oil wells
US20090084557A1 (en) * 2007-10-01 2009-04-02 Star Oil Tools Inc. Fluid flow conduit, method and use
CN208330297U (en) * 2018-04-28 2019-01-04 中国石油天然气股份有限公司 A kind of reduction Oil Well Back Pressure device
CN110327821A (en) * 2019-06-20 2019-10-15 徐州亚泰电机有限公司 A kind of petroleum machinery device of suitable thickened oil recovery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010030046A1 (en) * 2000-04-18 2001-10-18 Haseloh Peter Gerald Method of retarding sand build up in heavy oil wells
US20090084557A1 (en) * 2007-10-01 2009-04-02 Star Oil Tools Inc. Fluid flow conduit, method and use
CN208330297U (en) * 2018-04-28 2019-01-04 中国石油天然气股份有限公司 A kind of reduction Oil Well Back Pressure device
CN110327821A (en) * 2019-06-20 2019-10-15 徐州亚泰电机有限公司 A kind of petroleum machinery device of suitable thickened oil recovery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116084872A (en) * 2023-04-11 2023-05-09 任丘市华北石油铖达节能设备有限公司 Crude oil migration boosting device

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