CN201410372Y - Hydrophobic associating polymer dissolving curing and stirring device - Google Patents
Hydrophobic associating polymer dissolving curing and stirring device Download PDFInfo
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- CN201410372Y CN201410372Y CN2009201214939U CN200920121493U CN201410372Y CN 201410372 Y CN201410372 Y CN 201410372Y CN 2009201214939 U CN2009201214939 U CN 2009201214939U CN 200920121493 U CN200920121493 U CN 200920121493U CN 201410372 Y CN201410372 Y CN 201410372Y
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- associating polymer
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Abstract
The utility model relates to a hydrophobic associating polymer dissolving curing and stirring device, which comprises a drive device, a stirring transmission speed-reducing mechanism, a stirring shaftand a stirring paddle installed on the stirring shaft. The utility model is characterized in that the stirring paddle is a push-up type wide-blade axial flow paddle. The stirring device adopting a push-up type wide-blade axial flow stirrer can greatly improve axial circulation flow under the condition of high viscosity. Dissolved polymer is even and uniform, which can maintain comparatively highviscosity, thereby accelerating the dissolving and the curing of the polymer and greatly improving the oil displacement efficiency of the polymer.
Description
Technical field
The utility model belongs to the oil exploration equipment technical field, specifically the agitating device that uses in the hydrophobic associated polymer dissolving, curing jar in the polymer displacement of reservoir oil process.
Background technology
Polymer flooding is as one of important means of oil field development stable yields or volume increase, and at home and abroad onshore oil field has obtained extensive use.Major oil districts such as the grand celebration of China, triumph, Kelamayi have all carried out field test and have obtained immense success.Particularly Daqing oil field has entered the large-scale industrial application stage, and on the basis of waterflood recovery efficiency factor 42%, recovery ratio has improved 12% again behind the enforcement polymer flooding, makes ultimate recovery reach 55%.
Hydrophobic associated polymer is widely used in tertiary oil recovery, drilling fluid, completion fluid and oil field profile control and water plugging etc.This base polymer have heatproof, salt tolerant, alkaline-resisting, viscosity is high, the characteristics of anti-high shear, thereby have broad application prospects, but its problems of dissolution is one of technical barrier of this base polymer industrial applications of restriction always.For example the dissolving, curing time of hydrophobic associated polymer is significant to the offshore oilfield polymer displacement of reservoir oil, the long curing time means that needs increase the quantity or the volume of slaking jar, certainly will conflict with offshore platform narrow space and limited carrying, thereby limit polymer displacement of reservoir oil tech applying of oil field at sea.
The dissolving, curing of polymer is in occupation of important position very in the polymer displacement of reservoir oil process, and polymer fast, the dissolving, curing key is used agitating device uniformly.
The agitating device that becomes known for the polymer dissolution slaking at present has push type, flat oar formula and screw rod helical ribbon agitator.But all exist dissolution time longer, need more than 2 hours, or slaking not exclusively forms the gel insoluble matter and solution mixes the inhomogeneous problem that influences oil displacement efficiency and then influence oil displacement efficiency.
The utility model content
The purpose of this utility model is at the problems referred to above, a kind of quick dissolving, curing hydrophobic associated polymer is provided, and can obtains the device for dissolving, curing and stirring hydrophobic associating polymer that viscosity is higher, mix.
For achieving the above object, the utility model discloses the rapidly-soluble agitating device of a kind of hydrophobic associated polymer, comprise drive unit, stir transmission speed reducer structure, shaft and be installed in paddle on the shaft, described paddle is the wide rachis stream of a last pushing-type oar.Owing to adopted the wide rachis stream of last pushing-type oar, when turbulent flow, can strengthen Hydrodynamic turbulence, reduce inspiratory phenomenon during low liquid level, and compare down press operation during with laminar flow in transition flow and can form stronger axial circulation and flow, thereby promoted the even mixing of solution in the agitator tank.Dissolution phase utilizes frequency converter to adjust different rotating speeds, and the turbulent extent in earlier stage adopting high rotating speed enhance fluid helps the mixing of fluid, to realize quick dissolving, reduces the shear action that rotating speed can reduce agitator in the later stage, keeps the viscosity of polymer.The polymer solution that the short time obtains uniformly, viscosity is high has improved oil displacement efficiency.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Accompanying drawing 1 is the utility model specific embodiment structural representation.
Accompanying drawing 2 is a paddle structural representation of the present utility model.
Accompanying drawing 3 is a stirrer paddle setting angle schematic diagram.
The viscosity that accompanying drawing 4 stirs polymer solution for different modes is curve over time.
The specific embodiment
As shown in Figure 1, the rapidly-soluble agitating device of hydrophobic associated polymer of the present utility model still comprises drive unit 1, stir transmission speed reducer structure 2, shaft 4 and be installed in paddle 5 on the shaft 4, and shaft 4 and paddle 5 are inserted in the agitator tank 8.Wherein paddle 5 is the wide rachis stream of a last pushing-type oar.According to the height of agitator tank 8, can be equipped with 1 to 3 on the shaft 4 and go up the wide rachis stream of pushing-type oar.The wide rachis stream of shaft 4 and last pushing-type oar can be that stainless steel material or carbon steel lining elastomeric material are made, the wide rachis of last pushing-type stream oar is made up of wheel hub 6 and 3 or 4 blades 7, as Fig. 2, shown in 3, go up the wide rachis stream of pushing-type oar in this specific embodiment and be provided with 3 blades 7,3 blades 7 evenly distribute along circumference and are fixed on the wheel hub 6, blade 7 roots and perpendicular to the angle α on the plane of shaft 4 between 40～60 °, the end and perpendicular to the angle β on the plane of shaft 4 between 15～30 °, the design of special blade 7 and angle has reduced the shear action that stirs, thereby guarantee that the polymer solution after the dissolving has higher viscosity, and under the situation that guarantees mixing quality, can cut down the consumption of energy, generally equal 50 ° with the α angle, the β angle equals 27 ° and is advisable.Drive unit 1 and stirring transmission speed reducer structure 2 are installed on the link and are fixed on the top of agitator tank 8 together, stir transmission speed reducer structure 2 and link to each other with shaft 4 by shaft coupling 3, by key, screw or welding wheel hub 6 are fixedly connected on the shaft 4.The dissolving of hydrophobic associated polymer under the different tank diameter volumes, thereby can promote the dissolving of polymer by the angle of adjusting vane 7, the axial flow of stirring diameter control agitator formation, the stirring diameter of blade 7 is suitable, make agitator tank 8 around produce defluent circulating, the diameter that the wide rachis of last pushing-type is flowed oar is generally at 0.4 to 0.65 times agitator tank 8 diameters.Can also utilize high rotating speed to accelerate the dissolving of polymer by regulating speed of agitator, utilize the slow-speed of revolution to prevent the viscosity of high shear forces destruction polymer.Therefore the rapidly-soluble agitating device of this hydrophobic associated polymer selects for use variable-frequency motor as drive unit 1, and the polymer solution in that the short time obtains uniformly, viscosity is high has improved oil displacement efficiency.
The wide rachis stream of pushing-type oar is gone up in the employing of this agitator can strengthen Hydrodynamic turbulence when turbulent flow, reduce inspiratory phenomenon when hanging down liquid level, and compare down press operation during with laminar flow in transition flow and can form stronger axial circulation and flow, thereby promoted the even mixing of solution in the agitator tank 8.Dissolution phase utilizes frequency converter to adjust different rotating speeds, and the turbulent extent in earlier stage adopting high rotating speed enhance fluid helps the mixing of fluid, to realize quick dissolving, reduces the shear action that rotating speed can reduce agitator in the later stage, keeps the viscosity of polymer.
Fig. 4 is the viscosity curve over time of polymer solution, the measurement of comparison result who gives under identical agitator and the operating condition press operation under the agitator among the figure and adopt one deck two leaf dashers.From the course of dissolution of polymer, result of the present utility model is better than the result under other conditions.Dissolution time of the present utility model is 37 minutes, 42 minutes and 52 minutes of employing dasher when also being better than descending press operation.
Claims (9)
1, a kind of device for dissolving, curing and stirring hydrophobic associating polymer comprises drive unit, stirs transmission speed reducer structure, shaft and is installed in paddle on the shaft that it is characterized in that: described paddle is the wide rachis stream of a last pushing-type oar.
2, device for dissolving, curing and stirring hydrophobic associating polymer according to claim 1 is characterized in that: be equipped with 1 to 3 on the described shaft and go up the wide rachis stream of pushing-type oar.
3, device for dissolving, curing and stirring hydrophobic associating polymer according to claim 1 and 2, it is characterized in that: the described wide rachis stream of the pushing-type oar of going up is made up of wheel hub and 3 or 4 blades, described root of blade and perpendicular to the angle α on the plane of shaft between 40～60 °, the end and perpendicular to the angle β on the plane of shaft between 15～30 °.
4, device for dissolving, curing and stirring hydrophobic associating polymer according to claim 1 and 2 is characterized in that: the described diameter of going up the wide rachis stream of pushing-type oar is 0.4 to 0.65 times of agitator tank diameter.
5, device for dissolving, curing and stirring hydrophobic associating polymer according to claim 3 is characterized in that: the described diameter of going up the wide rachis stream of pushing-type oar is 0.4 to 0.65 times of agitator tank diameter.
6, device for dissolving, curing and stirring hydrophobic associating polymer according to claim 1 and 2 is characterized in that: described drive unit is a variable-frequency motor.
7, device for dissolving, curing and stirring hydrophobic associating polymer according to claim 3 is characterized in that: described drive unit is a variable-frequency motor.
8, device for dissolving, curing and stirring hydrophobic associating polymer according to claim 4 is characterized in that: described drive unit is a variable-frequency motor.
9, device for dissolving, curing and stirring hydrophobic associating polymer according to claim 5 is characterized in that: described drive unit is a variable-frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201214939U CN201410372Y (en) | 2009-05-31 | 2009-05-31 | Hydrophobic associating polymer dissolving curing and stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201214939U CN201410372Y (en) | 2009-05-31 | 2009-05-31 | Hydrophobic associating polymer dissolving curing and stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201410372Y true CN201410372Y (en) | 2010-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201214939U Expired - Fee Related CN201410372Y (en) | 2009-05-31 | 2009-05-31 | Hydrophobic associating polymer dissolving curing and stirring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201410372Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188922A (en) * | 2010-03-10 | 2011-09-21 | 董保成 | Paddle floating-type stirring machine |
| CN103877879A (en) * | 2012-12-19 | 2014-06-25 | 北京化工大学 | Method for rapidly preparing polymer solution for oil displacement |
-
2009
- 2009-05-31 CN CN2009201214939U patent/CN201410372Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188922A (en) * | 2010-03-10 | 2011-09-21 | 董保成 | Paddle floating-type stirring machine |
| CN102188922B (en) * | 2010-03-10 | 2014-05-14 | 董保成 | Paddle floating-type stirring machine |
| CN103877879A (en) * | 2012-12-19 | 2014-06-25 | 北京化工大学 | Method for rapidly preparing polymer solution for oil displacement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20150531 |
|
| EXPY | Termination of patent right or utility model |