CN105351751A - Liquid ring conveying system and method for high-thickness materials - Google Patents
Liquid ring conveying system and method for high-thickness materials Download PDFInfo
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- CN105351751A CN105351751A CN201510791367.4A CN201510791367A CN105351751A CN 105351751 A CN105351751 A CN 105351751A CN 201510791367 A CN201510791367 A CN 201510791367A CN 105351751 A CN105351751 A CN 105351751A
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Abstract
The invention provides a liquid ring conveying system and method for high-thickness materials and relates to a conveying system which is used for conveying high-thickness materials like crude oil and slurry. The conveying system comprises a valve, a low-thickness liquid storing tank, a starting-point storing tank, a low-thickness liquid conveying pump, a high-thickness material conveying pump, a barrel type mixer, a liquid ring conveying pipeline, a liquid ring maintaining device, a separator, an end-point storing tank and a liquid conveying pipeline. When the system and the method are utilized for conveying high-thickness materials, the resistance reducing effect is obvious. The pressure for liquid rings to convey high-thickness liquid is almost equal to the pressure for the same amount of low-thickness liquid to flow independently, the flowing resistance in a conveying process is remarkably reduced, the energy consumption of pipeline conveying of thick materials is greatly reduced, and the pipeline operation cost is reduced.
Description
Technical field
The present invention relates to a kind of high viscosity materials matter transporting system, also relate to a kind of high viscosity materials matter delivery method, the Liquid jacket transportation system and method adopted when being specifically related to a kind of thick substances contour for conveying crude oil, mud.
Background technique
Pipeline transport has the advantages such as freight volume is large, floor space is few, the construction period is short, freight is low, transportation safety is reliable, continuity is strong, and can realize the completely airtight of a whole set of transport courses and automatic control.Except being widely used in the long-distance transportation of oil, rock gas, also can transport ore, coal, building materials, chemical product and grain etc.Pipeline transport can save in water transport or land transportation the joint that gets worse, and shortens the haul-cycle time, reduces cost of transportation, improves conveying efficiency.
In the defeated process of the pipe of the thick substances such as crude oil, mud, thick substances directly contacts with inner-walls of duct, because viscosity is larger, therefore larger surface friction drag is often produced, cause larger conveying energy consumption, conveying cost is improved constantly, when the viscosity being transferred material is excessive, even cannot pass through Cemented filling.Therefore, the thick substances taking necessary technical measures to reduce conveying contacts with the direct of conveyance conduit wall, can realize economy and the safe transport of pipeline.
Summary of the invention
The present invention is excessive with inner-walls of duct surface friction drag in the defeated process of pipe in order to solve thick substances, and cause the problem that conveying energy consumption is large, cost is high, design and provide a kind of high viscosity materials matter Liquid jacket transportation system and method, its technological scheme adopted is as follows:
High viscosity materials matter Liquid jacket transportation system, comprises valve, thin fluid storage tank, starting point storage tank, thin fluid infusion pump, high viscosity materials matter infusion pump, barrel type mixer, Liquid jacket transportation pipeline, pendular ring holding means, separator, terminal storage tank, liquid transport pipeline.
Wherein, described thin fluid storage tank be used for storing substantially immiscible with high-viscous liquid, for the formation of the thin fluid (such as water) of pendular ring, described starting point storage tank is used for storing the high viscosity materials matter needing transport, and thin fluid and high viscosity materials matter are delivered to barrel type mixer respectively by corresponding infusion pump.
Described barrel type mixer is the device producing pendular ring, is also the starting point of Liquid jacket transportation.Made the thick substances that will carry in the flowing of pipeline core by barrel type mixer, with and the immiscible thin fluid of this material be full of annular space between thick substances and tube wall, form pendular ring.
Described pendular ring holding means is the device keeping pendular ring stability, in horizontal feed process, because the thick substances be transferred is different with the proportion of the thin fluid serving as pendular ring, core fluid there will be the eccentric trend floating or sink, with the growth of fed distance, thickness finally will contact with tube wall mutually, and pendular ring is destroyed, therefore pendular ring holding means is set at suitable spacing place, to keep the stability of pendular ring.High speed rotating cylinder is set in pendular ring holding means, multiple helical blade is had in high speed rotating cylinder, thin fluid is driven to form stable pendular ring under the circumference of the high-speed rotation, be full of the annular space between thick substances and high speed rotating cylinder inwall, helical blade can increase area of contact to greatest extent when not destroying pendular ring, maintenance for pendular ring provides enough centrifugal force, simultaneously be transferred material and pipeline wall stick together contact time, chop contact off by means of speed discrepancy, make to be transferred material and recover to be wrapped state.
Described separator is used for being separated the thin fluid and high viscosity materials matter of carrying terminal to mix, comprises sedimentation separation and centrifugal separator; High viscosity materials matter is stored in terminal storage tank after being separated, and thin fluid returns by liquid transport pipeline the thin fluid storage tank transporting to starting point after infusion pump pressurization, realizes recycling of thin fluid.
Based on said system, the invention allows for a kind of high viscosity materials matter Liquid jacket transportation method, concrete operation step is:
Step (1): thin fluid and high viscosity materials matter are delivered to barrel type mixer respectively by corresponding infusion pump:
Step (2): thin fluid produces pendular ring by the cyclonic action of barrel type mixer, wraps up the high viscosity materials matter be transferred wherein, makes it flow in pipeline core;
Step (3): when mixed solution flows through pendular ring holding means, again form stable pendular ring, is wrapped in the high viscosity materials matter be transferred and continues to be fed forward;
Step (4): after being delivered to terminal, is separated with high viscosity materials matter the thin fluid mixed by separator, and high viscosity materials matter is stored in terminal storage tank;
Step (5): thin fluid returns by liquid transport pipeline the thin fluid storage tank transporting to starting point after infusion pump pressurization.
When utilizing the moving highly viscous material of Liquid jacket transportation system provided by the present invention, drag-reduction effect is obvious, the pressure of Liquid jacket transportation high-viscous liquid be equivalent to throughput rate identical time thin fluid independent flowing pressure, the flow resistance in course of conveying can be reduced significantly, substantially reduce the pipe delivery of energy consumption of thick substances, reduce conduit running cost.
Accompanying drawing explanation
Fig. 1: the system block diagram of high viscosity materials matter Liquid jacket transportation system provided by the present invention;
Fig. 2: barrel type mixer structure principle chart provided by the present invention;
Fig. 3: the sectional arrangement drawing of pendular ring holding means provided by the present invention;
Fig. 4: the cross-sectional view of pendular ring holding means provided by the present invention;
Fig. 5: enlarged view is engaged in the gear wheel local of pendular ring holding means provided by the present invention.
Symbol description:
1. valve, 2. thin fluid storage tank, 3. starting point storage tank, 4. thin fluid infusion pump, 5. high viscosity materials matter infusion pump, 6. barrel type mixer, 7. Liquid jacket transportation pipeline, 8. pendular ring holding means, 9. separator, 10. terminal storage tank, 11. liquid transport pipelines, 12. mixer high viscosity materials matter entrances, 13. mixer thin fluid entrances, 14. barrel type mixer main bodys, 15. barrel type mixer outlets, 16. mixer center pipes;
81. inlet flanges, 82. sealed members, 83. protecting sheathings, 84. driving gears, 85. transmission shafts, 86. motor, 87. outlet(discharge) flanges, 88. high speed rotating cylinders, 89. driven gears, 810. helical blades, 811. supporting parts, 812. gears meshing places.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
As shown in Figure 1, high viscosity materials matter Liquid jacket transportation system provided by the present invention, comprises valve 1, thin fluid storage tank 2, starting point storage tank 3, thin fluid infusion pump 4, high viscosity materials matter infusion pump 5, barrel type mixer 6, Liquid jacket transportation pipeline 7, pendular ring holding means 8, separator 9, terminal storage tank 10, liquid transport pipeline 11.
Described thin fluid storage tank 2 be used for store with high-viscous liquid substantially mutually do not dissolve, for the formation of pendular ring thin fluid, described starting point storage tank 3 stores high viscosity materials matter, and thin fluid and high viscosity materials matter are delivered to barrel type mixer 6 respectively by thin fluid infusion pump 4 and high viscosity materials matter infusion pump 5.Produce pendular ring by described barrel type mixer 6, thick substances is in the flowing of pipeline core, and thin fluid is full of the annular space between thick substances and tube wall, with this as the starting point, starts Liquid jacket transportation process by Liquid jacket transportation pipeline 7.
In horizontal feed process, because the thick substances be transferred is different with the proportion of the thin fluid serving as pendular ring, core fluid there will be the eccentric trend floating or sink, along with the growth of fed distance, thickness finally will contact with tube wall mutually, pendular ring is destroyed, therefore pendular ring holding means 8 is set in suitable distance, to keep the stability of pendular ring.
As shown in Figure 2, barrel type mixer provided by the present invention, comprise barrel type mixer high viscosity materials matter entrance 12, barrel type mixer thin fluid entrance 13, barrel type mixer main body 14, barrel type mixer outlet 15, mixer center pipe 16, described barrel type mixer thin fluid entrance 13 is arranged on barrel type mixer main body 14 leading portion tangential position, described barrel type mixer center tube 16 is positioned at barrel type mixer main body 14 center, and its external diameter is less than barrel type mixer main body 14 latter end internal diameter.
The principle that barrel type mixer of the present invention forms pendular ring is: high viscosity materials matter enters in barrel type mixer from mixer high viscosity materials matter entrance 12 with certain flow rate radial direction, thin fluid tangentially enters in barrel type mixer from thin fluid entrance 13 with certain flow rate, due to ultracentrifugal effect, thin fluid flows along barrel type mixer inwall, form pendular ring, in barrel type mixer center tube 16 outlet port, high viscosity materials matter contacts with thin fluid, now, thin fluid is as stable pendular ring parcel high viscosity materials matter flow forward.
When high viscosity materials matter is transported to terminal, enter separator 9 to be separated with high viscosity materials matter the thin fluid mixed, high viscosity materials matter is stored in terminal storage tank 10, thin fluid returns by liquid transport pipeline 11 the thin fluid storage tank 2 transporting to starting point after infusion pump pressurization, realizes recycling of thin fluid.
As in Figure 3-5, pendular ring holding means for Liquid jacket transportation provided by the invention, comprise inlet flange 81, sealed member 82, protecting sheathing 83, driving gear 84, transmission shaft 85, motor 86, outlet(discharge) flange 87, high speed rotating cylinder 88, driven gear 89, helical blade 810, supporting part 811, described motor 86 is connected with driving gear 84 by transmission shaft 85, makes the two rotate with same angular velocity; With driven gear 89 seamless link in the middle part of described high speed rotating cylinder 88, with same angular velocity coaxial rotation; Described driven gear 89 is engaged by external gear with driving gear 84, rotates with identical linear velocity; Described high speed rotating cylinder 88 internal diameter is identical with outlet(discharge) flange 87 internal diameter with inlet flange 81, is connected by supporting part 811, uses sealed member 82 to seal in joint, in the hope of reducing the friction between dynamic component and quiet parts as far as possible, reduces leakage to greatest extent simultaneously; Described helical blade 810 is arranged on high speed rotating cylinder 88 internal face, can install multiple, be uniformly distributed, thin fluid is driven to form stable pendular ring under the circumference of the high-speed rotation, be full of the annular space between thick substances and high speed turning barrel 88 inwall, helical blade 810 can increase area of contact to greatest extent when not destroying pendular ring, maintenance for pendular ring provides enough centrifugal force, simultaneously be transferred material and pipeline wall stick together contact time, chop contact off by means of speed discrepancy, make to be transferred material and recover to be wrapped state; Described inlet flange 81 is identical with conveyance conduit internal diameter with outlet(discharge) flange 87 internal diameter; Described protecting sheathing 83 keeps certain gap to reduce frictional force each other with the dynamic component such as driving gear 84 and high speed rotating cylinder 88; Junction between all parts is sealed by seal ring with Leakage prevention.
When conveyance conduit runs, in suitable spacing, pendular ring holding means is set, open motor 86, driving gear 84 is driven to rotate, driven gear 89 is driven to rotate by gears meshing again, thus the helical blade 810 of high speed rotating cylinder 88 and inside thereof is rotated with very high speed, formed under the cyclonic action of helical blade 810 and stablize water ring.
When utilizing pendular ring holding means provided by the present invention to carry out the conveying of thick liquid, stable pendular ring can be produced, the flow resistance in course of conveying can be reduced significantly, greatly reduce the pipe delivery of energy consumption of thick substances.
Based on above-mentioned high viscosity materials matter Liquid jacket transportation system, the invention allows for a kind of high viscosity materials matter Liquid jacket transportation method, concrete operation step is:
Step 1: thin fluid and high viscosity materials matter are delivered to barrel type mixer respectively by corresponding infusion pump;
Step 2: thin fluid produces pendular ring by the cyclonic action of barrel type mixer, wraps up the high viscosity materials matter be transferred wherein, makes it flow in pipeline core;
Step 3: when mixed solution flows through pendular ring holding means, again form stable pendular ring, is wrapped in the high viscosity materials matter be transferred and continues to be fed forward;
Step 4: after being delivered to terminal, is separated with high viscosity materials matter the thin fluid mixed by separator, and high viscosity materials matter is stored in terminal storage tank.
Step 5: thin fluid returns by liquid transport pipeline the thin fluid storage tank transporting to starting point after infusion pump pressurization.
When utilizing the moving highly viscous material of Liquid jacket transportation system and method provided by the present invention, drag-reduction effect is obvious, the pressure of Liquid jacket transportation high-viscous liquid be equivalent to throughput rate identical time thin fluid independent flowing pressure, the flow resistance in course of conveying can be reduced significantly, substantially reduce the pipe delivery of energy consumption of thick substances, reduce conduit running cost.
Describe the present invention by way of example above, but the invention is not restricted to above-mentioned specific embodiment, all any changes of doing based on the present invention or modification all belong to the scope of protection of present invention.
Claims (9)
1. high viscosity materials matter Liquid jacket transportation system, it is characterized in that, comprising: valve (1), thin fluid storage tank (2), starting point storage tank (3), thin fluid infusion pump (4), high viscosity materials matter infusion pump (5), barrel type mixer (6), Liquid jacket transportation pipeline (7), pendular ring holding means (8), separator (9), terminal storage tank (10), liquid transport pipeline (11);
Described thin fluid storage tank (2) be used for storing immiscible with high-viscous liquid, for the formation of the thin fluid of pendular ring, described starting point storage tank (3) is used for storing the high viscosity materials matter needing transport, is delivered to barrel type mixer (6) respectively by thin fluid infusion pump (4) and high viscosity materials matter infusion pump (5);
Described barrel type mixer (6) is the starting point of Liquid jacket transportation, makes the thick substances that will carry in the flowing of pipeline core, with and the immiscible thin fluid of this thick substances be full of annular space between thick substances and tube wall, form pendular ring;
Thin fluid entrance (13) is arranged on barrel type mixer main body (14) leading portion tangential position, described barrel type mixer center tube (16) is positioned at barrel type mixer main body (14) center, and its external diameter is less than barrel type mixer main body (14) latter end internal diameter;
In described pendular ring holding means (8), high speed rotating cylinder is set, multiple helical blade is had in high speed rotating cylinder, thin fluid is driven to form stable pendular ring under the circumference of the high-speed rotation, be full of the annular space between thick substances and high speed rotating cylinder inwall, helical blade increases area of contact, for the maintenance of pendular ring provides centrifugal force, simultaneously be transferred material and pipeline wall stick together contact time, chop contact off by means of speed discrepancy, make to be transferred material and recover to be wrapped state.
2. high viscosity materials matter Liquid jacket transportation system according to claim 1, is characterized in that: described separator (9) is used for being separated the thin fluid and high viscosity materials matter of carrying terminal to mix, comprises settling separation device and centrifugal separator; High viscosity materials matter is stored in terminal storage tank (10) after being separated, and thin fluid returns by liquid transport pipeline (11) the thin fluid storage tank (2) transporting to starting point after infusion pump pressurization.
3. high viscosity materials matter Liquid jacket transportation system according to claim 1, it is characterized in that: described pendular ring holding means (8), comprising: inlet flange (81), sealed member (82), protecting sheathing (83), driving gear (84), transmission shaft (85), motor (86), outlet(discharge) flange (87), high speed rotating cylinder (88), driven gear (89), helical blade (810), supporting part (811);
Described motor (86) is connected with driving gear (84) by transmission shaft (85), and the two rotates with same angular velocity;
Described high speed rotating cylinder (88) middle part is connected with driven gear (89), with same angular velocity coaxial rotation; Described driven gear (89) is engaged by external gear with driving gear (84), rotates with identical linear velocity;
Described helical blade (810) is arranged on high speed rotating cylinder (88) internal face, thin fluid is driven to form stable pendular ring, be full of the annular space between thick substances and high speed rotating cylinder (88) inwall, for the maintenance of pendular ring provides centrifugal force, simultaneously be transferred material and pipeline wall stick together contact time, chop contact off by means of speed discrepancy, make to be transferred material and recover to be wrapped state;
Open motor (86), driving gear (84) is driven to rotate, driven gear (89) is driven to rotate by gears meshing again, thus make helical blade (810) high speed rotating of high speed rotating cylinder (88) and inside thereof, formed under the cyclonic action of helical blade (810) and stablize water ring.
4. the pendular ring holding means for Liquid jacket transportation according to claim 1, it is characterized in that: described high speed rotating cylinder (88) internal diameter is identical with outlet(discharge) flange (87) internal diameter with inlet flange (81), connected by supporting part (811), use sealed member (82) sealing in joint.
5. the pendular ring holding means for Liquid jacket transportation according to claim 1, is characterized in that: described inlet flange (81) is identical with conveyance conduit internal diameter with outlet(discharge) flange (87) internal diameter.
6. the pendular ring holding means for Liquid jacket transportation according to claim 1, is characterized in that: described protecting sheathing (83) keeps certain gap with driving gear (84) and high speed rotating cylinder (88).
7. the pendular ring holding means for Liquid jacket transportation according to claim 1, is characterized in that: the junction between all parts is sealed by seal ring.
8. the pendular ring holding means for Liquid jacket transportation according to claim 1, is characterized in that: what be used for formation pendular ring is the low viscosity liquid immiscible with being transferred material.
9., based on the high viscosity materials matter Liquid jacket transportation method of system described in any one of claim 1-8, it is characterized in that: concrete operation step is:
Step (1): thin fluid and high viscosity materials matter are delivered to barrel type mixer respectively by corresponding infusion pump;
Step (2): thin fluid produces pendular ring by the cyclonic action of barrel type mixer, wraps up the high viscosity materials matter be transferred wherein, makes it flow in pipeline core;
Step (3): when mixed solution flows through pendular ring holding means, again form stable pendular ring, is wrapped in the high viscosity materials matter be transferred and continues to be fed forward;
Step (4): after being delivered to terminal, is separated with high viscosity materials matter the thin fluid mixed by separator, and high viscosity materials matter is stored in terminal storage tank;
Step (5): thin fluid returns by liquid transport pipeline the thin fluid storage tank transporting to starting point after infusion pump pressurization.
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| CN201510791367.4A CN105351751B (en) | 2015-11-10 | 2015-11-10 | Highly viscous substance Liquid jacket transportation system and method |
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| CN201510791367.4A CN105351751B (en) | 2015-11-10 | 2015-11-10 | Highly viscous substance Liquid jacket transportation system and method |
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| CN108343841A (en) * | 2018-04-20 | 2018-07-31 | 郑州大学 | MHD flow straighteners based on water ring oil transportation |
| CN108413253A (en) * | 2018-04-03 | 2018-08-17 | 巩长勇 | A kind of method of pipeline pug, pug recombiner and pug transport system |
| CN112066263A (en) * | 2020-09-14 | 2020-12-11 | 西南石油大学 | Mixed oil isolating device is carried in order |
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