CN115539841A - Magnetic liquid ring pipeline conveying device and method for high-viscosity fluid - Google Patents
Magnetic liquid ring pipeline conveying device and method for high-viscosity fluid Download PDFInfo
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- CN115539841A CN115539841A CN202211274197.9A CN202211274197A CN115539841A CN 115539841 A CN115539841 A CN 115539841A CN 202211274197 A CN202211274197 A CN 202211274197A CN 115539841 A CN115539841 A CN 115539841A
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- 239000007788 liquid Substances 0.000 title claims abstract description 88
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 83
- 239000012530 fluid Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 9
- 239000002105 nanoparticle Substances 0.000 claims description 9
- 239000000839 emulsion Substances 0.000 claims description 8
- 239000002360 explosive Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 230000005294 ferromagnetic effect Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- 239000003921 oil Substances 0.000 description 18
- 239000010779 crude oil Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000011553 magnetic fluid Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F15D1/04—Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow
-
- 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
- F16N—LUBRICATING
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
-
- 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
- F16N—LUBRICATING
- F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
- F16N15/04—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions with water
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The invention discloses a magnetic liquid ring pipeline conveying device and method for high-viscosity fluid, wherein the conveying device comprises a conveying pipe, one end of the conveying pipe is provided with a liquid inlet, the other end of the conveying pipe is provided with a liquid outlet and is used for conveying the high-viscosity fluid, and the liquid inlet is used for introducing magnetic liquid into the conveying pipe; the connecting pipe is inserted into one end, close to the liquid inlet, of the conveying pipe and is used for introducing high-viscosity fluid into the conveying pipe, the outer wall of the connecting pipe positioned in the conveying pipe and the inner wall of the conveying pipe are arranged at intervals to form a circulation cavity, and the magnetic liquid penetrates through the circulation cavity and contacts with the high-viscosity fluid; and the magnetic assembly is coated on the outer wall of the conveying pipe and used for generating magnetic force so that the magnetic liquid in the conveying pipe is attached to the inner wall of the conveying pipe to form a magnetic liquid ring and coat high-viscosity fluid. The invention increases the integrity and stability of the magnetic liquid ring in the conveying process, and is suitable for long-distance conveying of high-viscosity fluid.
Description
Technical Field
The invention relates to the technical field of high-viscosity fluid conveying, in particular to a magnetic liquid ring pipeline conveying device and method for high-viscosity fluid.
Background
The emulsion explosive field mixing and loading truck needs to convey the prepared emulsion explosive to different blast holes, the viscosity of the emulsion explosive is high, the adopted pumping pressure is low, and the conveying distance is short. At present, the water ring drag reduction technology is adopted, the conveying distance of emulsion explosive in a pipeline can be increased to 50-60 m, but a mixed loading vehicle is still required to move frequently, and the production efficiency is reduced.
The flow of oil-gas-water mixture produced by oil well from well head to oil transfer station is basically heterogeneous mixed transportation in horizontal pipeline. In order to ensure the normal gathering and transportation of crude oil, the early oil-gas gathering and transportation system generally adopts a heating and transportation process taking oilfield associated gas as fuel, and 1 ton of crude oil is generally burnt by 20-30 m for each gathering and transportation 3 The oil field gas of (1). After the oil field enters a high water cut exploitation stage, the oil collection energy consumption of the crude oil accounts for more than 70% of the total energy consumption of the ground engineering, and if no additional heating (or less heating) is performed in the crude oil gathering and transportation process, a non-heating gathering and transportation process or a low-temperature gathering and transportation process is adopted, so that the optimal utilization of the energy of the ground oil and gas gathering and transportation system in the high water cut stage is realized.
If the wall-attached water damage is formed by water, so that the crude oil forms an oil core in the pipeline, the water ring can concentrate most of shear deformation in the flowing process, and the crude oil slides along the water ring almost without shear, so that the oil transportation friction is greatly reduced. Theoretical calculation shows that under the optimal oil transportation condition of the water ring, the friction resistance of the independent transportation of the crude oil is the friction resistance of the oil transportation of the water ring when the oil transportation amount is the same, and the friction resistance of the oil transportation of the water ring is close to the friction resistance of the independent flow of pure water when the pipe transportation amount is the same. Compared with other thick oil pipe transportation methods, the method has the following advantages:
1. as long as the pipeline temperature is higher than zero degree centigrade, the oil can be transported normally, so the thick oil transportation at normal temperature can be realized easily.
2. The water mixing rate is low (1-15%), the crude oil is not emulsified, and the oil and the water are easy to separate. The separated water can be recycled.
3. Does not need heating and heat preservation, has obvious resistance reduction effect and low pipeline construction cost and operation cost.
The results of the present study show that the pressure loss can be reduced by more than 90% in the same situation compared to the case of drag reduction without water ring. The effectiveness of drag reduction of water ring transport of heavy crude oil is confirmed.
However, this technique is difficult to apply directly to industrial practice due to the presence of Raleigh-Taylor and Kelvin-helmholtz instabilities during liquid ring transport, i.e., eccentric flow occurs with oil density at the core less than that of the water in the liquid ring and mixing of the two-phase fluid occurs due to break-up of the liquid film at the interface of the two-phase fluid during flow. Therefore, how to keep the liquid ring stable in the moving process becomes a key problem of the liquid ring conveying technology.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a magnetic liquid ring pipeline conveying device and method for high-viscosity fluid, which increase the integrity and stability of a magnetic liquid ring in the conveying process and are suitable for long-distance conveying of the high-viscosity fluid.
The invention provides a magnetic liquid ring pipeline conveying device for high-viscosity fluid, which comprises:
the conveying pipe is provided with a liquid inlet at one end and a liquid outlet at the other end and used for conveying high-viscosity fluid, wherein the liquid inlet is used for introducing magnetic liquid into the conveying pipe;
the connecting pipe is inserted into one end, close to the liquid inlet, of the conveying pipe and is used for introducing high-viscosity fluid into the conveying pipe, the outer wall of the connecting pipe positioned in the conveying pipe and the inner wall of the conveying pipe are arranged at intervals to form a circulation cavity, and the magnetic liquid penetrates through the circulation cavity and contacts with the high-viscosity fluid;
and the magnetic assembly is coated on the outer wall of the conveying pipe and used for generating magnetic force so that the magnetic liquid in the conveying pipe is attached to the inner wall of the conveying pipe to form a magnetic liquid ring and coat high-viscosity fluid.
Preferably, the magnetic assembly comprises an iron core spirally wound on the outer wall of the conveying pipe, a coil is wound on the iron core, and the coil is electrified to form a stable magnetic field so as to adsorb the magnetic liquid on the inner wall of the conveying pipe to form a magnetic liquid ring.
Preferably, the magnetic liquid is a solution of ferromagnetic nanoparticles in a low viscosity solvent, and the low viscosity solvent is removable from the high viscosity fluid.
Preferably, the ferromagnetic nanoparticles are nano ferroferric oxide or superparamagnetic nanoparticles.
The invention provides a conveying method of the magnetic liquid ring pipeline conveying device for the high-viscosity fluid, which comprises the following steps:
s1: pumping the high-viscosity fluid into a conveying pipe through a connecting pipe by a conveying pump;
s2: pumping the magnetic liquid into a conveying pipe through a liquid inlet by a conveying pump;
s3: the coil is electrified to form a stable magnetic field, so that the magnetic liquid is adsorbed on the inner wall of the conveying pipe to form a magnetic liquid ring and coat the high-viscosity fluid, and the drag reduction conveying of the high-viscosity fluid is realized.
The invention has the beneficial technical effects that:
the transportation mode of the invention has the characteristics of low transportation cost, small transportation pressure and low transportation temperature, can realize the remote transportation of high-viscosity fluid, and is particularly suitable for the remote transportation of high-viscosity, pressure-sensitive and temperature-sensitive fluid such as petroleum, emulsion explosive and the like.
Drawings
Fig. 1 is a schematic structural diagram of a magnetic liquid ring pipeline conveying device for high-viscosity fluid according to the present invention;
fig. 2 is an enlarged view ofbase:Sub>A partbase:Sub>A-base:Sub>A of the magnetic liquid ring pipeline conveying device for high-viscosity fluid according to the present invention.
Fig. 3 is a schematic view of the flow direction of the liquid inside the delivery pipe according to the present invention.
In the figure: 1-conveying pipe, 11-liquid inlet, 12-liquid outlet, 2-connecting pipe, 3-magnetic assembly, 31-coil, 32-iron core, 4-magnetic liquid ring and 5-high viscosity fluid.
Detailed Description
Referring to fig. 1 to 3, the magnetic liquid ring pipeline transportation device for high viscosity fluid according to the present invention includes:
a conveying pipe 1, one end of which is provided with a liquid inlet 11, and the other end of which is provided with a liquid outlet 12, for conveying a high-viscosity fluid 5, wherein the liquid inlet 11 is used for introducing a magnetic liquid into the conveying pipe 1;
the connecting pipe 2 is inserted into one end, close to the liquid inlet 11, of the conveying pipe 1 and is used for introducing high-viscosity fluid 5 into the conveying pipe 1, the outer wall of the connecting pipe 2, located in the conveying pipe 1, and the inner wall of the conveying pipe 1 are arranged at intervals to form a circulation cavity, and the magnetic liquid penetrates through the circulation cavity and is contacted with the high-viscosity fluid 5;
and the magnetic assembly 3 is coated on the outer wall of the conveying pipe 1 and used for generating magnetic force so that the magnetic liquid in the conveying pipe 1 is attached to the inner wall of the conveying pipe 1 to form a magnetic liquid ring 4 and is coated with high-viscosity fluid 5.
Specifically, the magnetic assembly 3 includes an iron core 32 spirally wound on the outer wall of the conveying pipe, the iron core is wound with a coil 31, and the coil 31 is energized to form a stable magnetic field, so as to adsorb the magnetic liquid on the inner wall of the conveying pipe, thereby forming a magnetic liquid ring 4.
The magnetic liquid of the present invention is a solution of ferromagnetic nanoparticles in a low viscosity solvent, and the low viscosity solvent is capable of being removed from a high viscosity fluid. Specifically, the ferromagnetic nanoparticles may be nano ferroferric oxide or superparamagnetic nanoparticles, and in this embodiment, nano ferroferric oxide is taken as an example.
The preparation method of the magnetic liquid comprises the following steps: magnetic nano Fe with a certain mass 3 O 4 Repeatedly washing the particles with deionized water, adjusting the pH value, and placing the particles into a drying oven for later use; taking a certain amount of low-viscosity solution and a dispersant for later use, and then adding the magnetic nano Fe 3 O 4 Mixing the granules with the low viscosity solution and the dispersant in a container at a certain temperatureMechanically stirring for 2h at the temperature to enable the magnetic nano Fe 3 O 4 Fully adsorbing the particles with a dispersing agent, and carrying out ultrasonic oscillation treatment on the liquid to prepare the magnetic conductive liquid, wherein the liquid shows magnetism under the action of an external magnetic field.
For the delivery of the emulsion matrix of the mixed vehicle, a sensitizer solution is used as a low-viscosity solvent to form a magnetofluid ferroferric oxide liquid.
For the transportation of crude oil, a petroleum product with low viscosity such as gasoline or diesel oil is used as a low-viscosity solvent to form a magnetic conductive liquid.
With the above-described solution, even if a part of the low-viscosity solution is mixed with the high-viscosity fluid to be transported, no change in the properties of the high-viscosity fluid is caused.
The invention provides a conveying method of the magnetic liquid ring pipeline conveying device for the high-viscosity fluid, which comprises the following steps:
(1) High-viscosity fluid (such as petroleum, emulsion explosive and the like) to be conveyed is pumped into the conveying pipe through the connecting pipe by adopting a conveying pump, magnetic fluid is pumped into the conveying pipe through the liquid inlet, a core flow formed by the high-viscosity fluid is formed inside under the action of the connecting pipe and the conveying pipe by electrifying the coil, and a magnetic liquid ring of annular flow is formed between the core flow and the pipe wall.
(2) The coil of pipeline outer wall lets in the alternating current of different frequency, can produce the magnetic field of different intensity, and the iron core plays the effect that strengthens magnetic field intensity, and in the pipeline inner region, the magnetic field that is close to near the inner wall is strongest, then along with being farther away from the inner wall, intensity weakens sharply.
(3) Magnetic particles in the magnetic liquid ring approach the inner wall of the pipeline under the action of a magnetic field, the magnetic liquid ring is made of a material (for example, water-based magnetic fluid is selected for conveying an oil material) with a polarity different from that of the fluid conveyed inside, and the magnetic particles move towards the inner wall under the action of the magnetic field and simultaneously carry water adsorbed by the magnetic particles to move together, so that a dense water film is formed on the inner wall of the pipeline.
(4) The magnetic liquid near the core flow has reduced magnetic field strength, and under the action of intermolecular force, the water fluid attached to the core flow moves forwards along with the core flow, so that the magnetic fluid film attached to the inner wall of the pipeline and the water attached to the surface of the core flow form stable relative motion.
Case one
The invention is adopted to make the drag reduction water ring more stable and realize the long-distance transmission of the on-site mixed explosive. Wherein the volume fraction of the nano ferroferric oxide is 0.1-5%, the pipeline conveying pressure is 0-1 MPa, and the flow rate is 0-5 m/s; in the case, the volume fraction of the nano ferroferric oxide is 2 percent, the pipeline conveying pressure is 0.4MPa, and the flow speed is 4m/s.
Case two
The invention can be used for long-distance transportation of crude oil, and the magnetic fluid is prepared from petroleum products (diesel oil, gasoline and the like) with low viscosity, and is used for long-distance and ultra-long-distance transportation of viscous petroleum. The method reduces the pumping pressure, improves the flow velocity of the crude oil in the pipeline, and can greatly improve the conveying efficiency of the oil pipeline. Wherein the volume fraction of the nano ferroferric oxide is 0.1-5%, the pipeline conveying pressure is 0-1 MPa, and the flow rate is 0-5 m/s; in the case, the volume fraction of the nano ferroferric oxide is 3.5 percent, the pipeline conveying pressure is 0.7MPa, and the flow rate is 2.5m/s.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Magnetic liquid ring pipeline conveying device of high viscosity fluid, its characterized in that includes:
a conveying pipe, one end of which is provided with a liquid inlet and the other end of which is provided with a liquid outlet, and the conveying pipe is used for conveying high-viscosity fluid, wherein the liquid inlet is used for introducing magnetic liquid into the conveying pipe;
the connecting pipe is inserted at one end of the conveying pipe close to the liquid inlet and used for introducing high-viscosity fluid into the conveying pipe, the outer wall of the connecting pipe positioned in the conveying pipe and the inner wall of the conveying pipe are arranged at intervals to form a circulation cavity, and the magnetic liquid penetrates through the circulation cavity to be contacted with the high-viscosity fluid;
and the magnetic assembly is coated on the outer wall of the conveying pipe and used for generating magnetic force so that the magnetic liquid in the conveying pipe is attached to the inner wall of the conveying pipe to form a magnetic liquid ring and coat high-viscosity fluid.
2. The high-viscosity fluid magnetic liquid ring pipeline conveying device according to claim 1, wherein the magnetic assembly comprises an iron core spirally wound on the outer wall of the conveying pipe, a coil is wound on the iron core, and magnetic liquid is adsorbed on the inner wall of the conveying pipe by electrifying the coil to form a stable magnetic field, so that a magnetic liquid ring is formed.
3. The high viscosity fluid magnetic liquid ring pipeline delivery device according to claim 1, wherein the magnetic liquid is a solution of ferromagnetic nanoparticles in a low viscosity solvent, and the low viscosity solvent is removable from the high viscosity fluid.
4. The high viscosity fluid magnetic liquid ring pipeline delivery device according to claim 3, wherein the ferromagnetic nanoparticles are nano ferroferric oxide or superparamagnetic nanoparticles.
5. The method for transporting a high-viscosity fluid magnetic liquid ring pipeline transporting device according to any one of claims 1 to 4, wherein the method comprises the steps of:
s1: pumping the high-viscosity fluid into a conveying pipe through a connecting pipe by a conveying pump;
s2: pumping the magnetic liquid into a conveying pipe through a liquid inlet by a conveying pump;
s3: the coil is electrified to form a stable magnetic field, so that the magnetic liquid is adsorbed on the inner wall of the conveying pipe to form a magnetic liquid ring and coat the high-viscosity fluid, and the drag reduction conveying of the high-viscosity fluid is realized.
6. Use of the magnetic liquid ring pipeline transportation device for high viscosity fluid according to any one of claims 1 to 3 in the transportation of petroleum and emulsion explosives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211274197.9A CN115539841A (en) | 2022-10-18 | 2022-10-18 | Magnetic liquid ring pipeline conveying device and method for high-viscosity fluid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211274197.9A CN115539841A (en) | 2022-10-18 | 2022-10-18 | Magnetic liquid ring pipeline conveying device and method for high-viscosity fluid |
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| CN115539841A true CN115539841A (en) | 2022-12-30 |
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| CN202211274197.9A Pending CN115539841A (en) | 2022-10-18 | 2022-10-18 | Magnetic liquid ring pipeline conveying device and method for high-viscosity fluid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069064U (en) * | 1990-06-20 | 1991-01-09 | 石油工业部管道科学研究院 | Liquid ring forming device for transfering high viscous liquids |
| CN2147343Y (en) * | 1993-01-16 | 1993-11-24 | 中国华能技术开发公司 | Electromagnet vibration device for oil well extracting |
| RU2333418C1 (en) * | 2007-03-09 | 2008-09-10 | Государственное образовательное учреждение высшего профессионального образования Казанский государственный технический университет им. А.Н. Туполева | Method of microwave treatment of water-oil emulsion transported through pipeline and apparatus for implementation of method |
| CN104531208A (en) * | 2014-12-31 | 2015-04-22 | 哈尔滨工业大学 | Thickened oil viscosity reducing device and thickened oil viscosity reducing method using same |
| CN105102356A (en) * | 2014-01-29 | 2015-11-25 | 韩国海洋科学技术院 | Long-distance dredged soil transfer system using magnetic field and tornado vortex technique, and method for controlling same |
| CN107270128A (en) * | 2017-05-17 | 2017-10-20 | 太仓液压元件有限公司 | A kind of length of high viscosity liquid is away from induction system and carrying method |
| CN110454132A (en) * | 2018-05-08 | 2019-11-15 | 中国石油大学(华东) | A kind of compact reservoir nanometer magnetofluid fracturing fluid imbibition increases oily method and modified nanometer magnetic particle |
| CN112879811A (en) * | 2021-03-31 | 2021-06-01 | 代龙宇 | Efficient crude oil conveying process |
| CN115899579A (en) * | 2022-10-18 | 2023-04-04 | 中煤科工集团淮北爆破技术研究院有限公司 | Electromagnetic drive liquid ring pipeline conveying device and method for high-viscosity fluid |
-
2022
- 2022-10-18 CN CN202211274197.9A patent/CN115539841A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069064U (en) * | 1990-06-20 | 1991-01-09 | 石油工业部管道科学研究院 | Liquid ring forming device for transfering high viscous liquids |
| CN2147343Y (en) * | 1993-01-16 | 1993-11-24 | 中国华能技术开发公司 | Electromagnet vibration device for oil well extracting |
| RU2333418C1 (en) * | 2007-03-09 | 2008-09-10 | Государственное образовательное учреждение высшего профессионального образования Казанский государственный технический университет им. А.Н. Туполева | Method of microwave treatment of water-oil emulsion transported through pipeline and apparatus for implementation of method |
| CN105102356A (en) * | 2014-01-29 | 2015-11-25 | 韩国海洋科学技术院 | Long-distance dredged soil transfer system using magnetic field and tornado vortex technique, and method for controlling same |
| CN104531208A (en) * | 2014-12-31 | 2015-04-22 | 哈尔滨工业大学 | Thickened oil viscosity reducing device and thickened oil viscosity reducing method using same |
| CN107270128A (en) * | 2017-05-17 | 2017-10-20 | 太仓液压元件有限公司 | A kind of length of high viscosity liquid is away from induction system and carrying method |
| CN110454132A (en) * | 2018-05-08 | 2019-11-15 | 中国石油大学(华东) | A kind of compact reservoir nanometer magnetofluid fracturing fluid imbibition increases oily method and modified nanometer magnetic particle |
| CN112879811A (en) * | 2021-03-31 | 2021-06-01 | 代龙宇 | Efficient crude oil conveying process |
| CN115899579A (en) * | 2022-10-18 | 2023-04-04 | 中煤科工集团淮北爆破技术研究院有限公司 | Electromagnetic drive liquid ring pipeline conveying device and method for high-viscosity fluid |
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