CN103111199A - Bipolar polymer swelling particle dissolution accelerating device - Google Patents
Bipolar polymer swelling particle dissolution accelerating device Download PDFInfo
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- CN103111199A CN103111199A CN2013100695519A CN201310069551A CN103111199A CN 103111199 A CN103111199 A CN 103111199A CN 2013100695519 A CN2013100695519 A CN 2013100695519A CN 201310069551 A CN201310069551 A CN 201310069551A CN 103111199 A CN103111199 A CN 103111199A
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Abstract
The invention discloses a bipolar polymer swelling particles dissolution accelerating device. The device is characterized by consisting of a stretching unit and a liquid storage cavity, wherein the stretching unit consists of a transmission shaft and a bearing seat as well as an upper fixed fluted disc, a movable fluted disc and a lower fixed fluted disc, which are all provided with a plurality of through holes, from top to bottom successively; the movable fluted disc is fixed on the transmission shaft; the upper fixed fluted disc and the lower fixed fluted disc are fixed on the liquid storage cavity; the surfaces, close to the movable fluted disc, of the upper and lower fixed fluted discs are respectively of a short tooth structure, and are in uniform engagement with short tooth structures on the two surfaces of the movable fluted disc; the transmission shaft is connected with a belt pulley through the bearing seat and the liquid storage cavity, and the bearing seat is fixed on the liquid storage cavity; the stretching unit is located in the liquid storage cavity; and the upper part of the liquid storage cavity is provided with a liquid inlet, and the lower part of the liquid storage cavity is provided with a liquid outlet. The bipolar polymer swelling particles dissolution accelerating device can accelerate polymer dissolution to improve petroleum recovery efficiency, and is simple to mount, small in floor space, light in weight and high in handling capacity.
Description
Technical field
The invention provides a kind of pressure stretching instant device of accelerating the partially hydrolyzed polyacrylamide (PHPA) base polymer, be specifically related to a kind of bipolar acceleration polymers swell grain dissolution device.
Background technology
Polymer flooding improves one of important method of recovery ratio as oil field development, at home and abroad onshore oil field is widely used.And offshore oilfield is owing to lacking freshwater resources, and the salinity of its injected water is high, calcium ions and magnesium ions content is high.The saline-alkaline tolerance of tradition partially hydrolyzed polyacrylamide (PHPA) is not enough, and its viscosity is low, far can not satisfy the requirement of offshore oilfield.Hydrophobic associated polymer is because there being a small amount of hydrophobic grouping on its main chain, solution has that reversible tridimensional network, shear thinning behavior and injection are good, anti-shear ability is strong, saline-alkaline tolerance is good, the viscosity high, water medium viscosity at high salinity, high contents of calcium and magnesium ion concentration is high, is adapted at lacking the offshore oilfield application of freshwater resources; The oil reservoir high to in-place permeability, that viscosity of crude is high, hydrophobic associated polymer have more outstanding advantage.Hydrophobic associated polymer is long in the lower conventional stirring curing time of normal temperature (20 ℃～25 ℃), greatly restricted its application on the oil field at sea.Therefore actual for the mining site of offshore oilfield, accelerate the research of hydrophobic associated polymer dissolution velocity, significant take polymer as main raising recovery efficiency technique to offshore oilfield.
Carried out at present the solubility study work of hydrophobic associated polymer, under existing method, the dissolution time of hydrophobic associated polymer is more than 120 minutes, this just means the dissolving fully that will have the slaking of significant volume and quantity tank to guarantee polymer, for space and the limited offshore platform of weight capacity, especially existing small-sized platform carries out polymer flooding and may realize hardly.
The online instant seminar in recovery ratio laboratory is improved by Southwest Petrol University, different pore size screen cloth or the orifice plate of suitable interval are set by in-line section, peel off and cut the swelling particle, reduce the particle diameter of swelling particle, shorten dissolution time, and verified the feasibility of this idea.Carried out on-the-spot scale-up in 2006, and taked endless form, repeatedly peel off and cut AP-P4 swelling particle, the dissolution time of AP-P4 shortens greatly as a result.But because cutting polymer strand repeatedly causes its chain rupture, solution viscosity reduces; Swelling Particle Blocking screen cloth or orifice plate, can not satisfy the requirement of offshore platform polymer injection allocation simultaneously.Therefore, be badly in need of a kind of simple in structure, easy to operate hydrophobic associated polymer instant device, accelerate the dissolution velocity of hydrophobic associated polymer, shorten dissolution time, its solution property satisfies the field requirement.
Summary of the invention
The purpose of this invention is to provide a kind of quickening hydrophobic associated polymer swelling grain dissolution device that can realize with field joint, and install simply, floor space is little, and is lightweight, and treating capacity is large.
For reaching this purpose, the present invention by the following technical solutions:
a kind of bipolar acceleration polymers swell grain dissolution device, it is characterized in that this device is comprised of draw unit and liquid storage cylinder, draw unit from upper successively by the upper fixed tooth disk that all has some through holes, active toothed disk, lower fixed tooth disk forms, described draw unit also comprises power transmission shaft and bearing block, active toothed disk is fixed on power transmission shaft, upper fixed tooth disk and lower fixed tooth disk are fixed on liquid storage cylinder, described upper fixed tooth disk and lower fixed tooth disk adopt short toothing near the face of active toothed disk, and the even interlock of short toothing with the active toothed disk two sides, power transmission shaft is connected belt pulley by bearing block with liquid storage cylinder, bearing block is fixed on liquid storage cylinder, draw unit is positioned at liquid storage cylinder, liquid storage cylinder top is provided with inlet, the bottom is provided with liquid outlet.
Preferably, described active toothed disk adopts short toothing, and short tooth surface designs for arc transition.
Preferably, the short tooth tooth length of described active toothed disk is 3～5cm, and the design of this length range can reduce design and difficulty of processing.
Preferably, the short toothing top of described active toothed disk and lower fixed tooth disk is trapezoidal, and the interlock spacing of upper fixed tooth disk and active toothed disk, active toothed disk and lower fixed tooth disk reduces from top to the bottom gradually.
Preferably, also be provided with mechanical seal in the middle of described power transmission shaft bottom and bearing block, enter power transmission shaft corrosion power transmission shaft thereby mechanical seal prevents the solution in liquid storage cylinder.The mechanical seal outside is provided with centralizer, and is fixed on bearing block, and centralizer can prevent that power transmission shaft from rocking and being offset.
Preferably, described liquid storage cylinder is comprised of upper cover and housing, and upper cover is connected connecting bolt to connect and sealing with housing, and inlet is located at upper cover top, and liquid outlet is located at lower housing portion.
Preferably, described power transmission shaft is connected with liquid storage cylinder by bearing block puts motor on the outside, will put and directly drive power transmission shaft on motor, can conserve space, and simplified apparatus, the convenient installation also can be reduced liquid to the corrosion of power transmission shaft simultaneously.
Beneficial effect of the present invention is: the hydrophobic association polymer solution that can obtain at short notice homogeneous with this device, can be used in the polymer displacement of reservoir oil tech under the high salinity condition, the recovery ratio of oil is improved, and has that treating capacity is large, lightweight, floor space is little, installation is simple.
Description of drawings
Fig. 1 is the structural representation of the bipolar acceleration polymers swell of the present invention grain dissolution device;
Fig. 2 is the top view of the active toothed disk of the bipolar acceleration polymers swell of the present invention grain dissolution device;
Fig. 3 is upper fixed tooth disk, the active toothed disk of the bipolar acceleration polymers swell of the present invention grain dissolution device, the short toothing amplification profile of lower fixed tooth disk;
Fig. 4 is another improved schematic diagram of the bipolar acceleration polymers swell of the present invention grain dissolution device.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by the specific embodiment.
from learning as Fig. 1 to Fig. 4, this bipolar acceleration polymers swell grain dissolution device is comprised of draw unit and liquid storage cylinder 1, draw unit from upper successively by the upper fixed tooth disk 3 that all has some through holes 2, active toothed disk 4, lower fixed tooth disk 5 forms, described draw unit also comprises power transmission shaft 6 and bearing block 7, active toothed disk 4 is fixed on power transmission shaft 6, upper fixed tooth disk 3 and lower fixed tooth disk 5 are fixed on liquid storage cylinder 1, described upper fixed tooth disk 3 and lower fixed tooth disk 5 adopt short tooth 8 structures near the face of active toothed disk 4, and the short tooth 8 even structure interlocks with active toothed disk 4 two sides, power transmission shaft 6 is connected with liquid storage cylinder by bearing block 7 and is connected belt pulley 9, bearing block 7 is fixed on liquid storage cylinder 1, draw unit is positioned at liquid storage cylinder 1, liquid storage cylinder 1 top is provided with inlet 10, the bottom is provided with liquid outlet 11.
During use, as Fig. 1 to Fig. 4, at first arrange with this and accelerate polymers swell grain dissolution device external motive device, make belt pulley 9 drive power transmission shaft 6, thereby active toothed disk 4 is rotated.the aqueous solution of consoluet hydrophobic associated polymer does not enter liquid storage cylinder 1 from the inlet 10 of upper cover 12, the aqueous solution of hydrophobic associated polymer enters upper fixed tooth disk 3 and active toothed disk 4 from through hole 2 successively, driven fluted disc 4 enters lower fixed tooth disk 5 again, due to upper fixed tooth disk 3, active toothed disk 4 and lower fixed tooth disk 5 all adopt short tooth 8 structures, the short tooth 8 structure tops of lower fixed tooth disk 5 and active toothed disk 4 are trapezoidal, upper fixed tooth disk 3 and active toothed disk 4, active toothed disk 4 and lower fixed tooth disk 5 interlock spacings 13 reduce from top to the bottom gradually, and active toothed disk 4 is with the rotation speed operation of 1400rpm, so the swelling particle of the hydrophobic associated polymer in the aqueous solution of hydrophobic associated polymer is rolled expansion by short tooth 8 structures, form the less swelling particle of particle diameter.Processed swelling particle by liquid outlet 11, enters into the pipeline that is connected with the slaking tank, enters at last the slaking tank and dissolves.
In the middle of power transmission shaft 6 bottoms and bearing block 7, set mechanical seal 14 has prevented that thereby the solution of 1 li of liquid storage cylinder from entering power transmission shaft 6 corrosion power transmission shafts 6, and mechanical seal 14 outside set be fixed on centralizer 15 on bearing block 7, can prevent that power transmission shaft 6 from rocking and being offset.
Fig. 2 is the top view of the active toothed disk of this bipolar acceleration polymers swell grain dissolution device, active toothed disk 4 drives by power transmission shaft 6 and turns round, the swelling particle of hydrophobic associated polymer is rolled expansion by short tooth 8 structures, forms the less swelling particle of particle diameter, flows out from through hole 2.
Fig. 3 is upper fixed tooth disk, the active toothed disk of this bipolar acceleration polymers swell grain dissolution device, the short toothing amplification view of lower fixed tooth disk.The upper moving tooth 17 of deciding tooth 16 and active toothed disk 4 of upper fixed tooth disk 3 forms the instant structures of one-level, upward decide tooth 16 and the mutual interlock of moving tooth 17 and interlock spacing 13 is arranged, its interlock spacing 13 upper entrances are 2.45mm, and interlock spacing 13 lower part outlets are 0.45mm, and the degree of depth of its 0.45mm is 5mm.The moving tooth 17 of active toothed disk 4 and lower fixed tooth disk 5 lower decide the tooth 18 instant structures of composition secondary, moving tooth 17 and decide the mutual interlock of tooth 18 and interlock spacing 13 is arranged down, its interlock spacing 13 upper entrances are 1.32mm, and interlock spacing 13 lower part outlets are 0.15mm, and the degree of depth of its 0.15mm is 5mm.By above bipolar instant structure, can make the swelling particle force to stretch, obtain the less swelling particle of particle diameter, its effect is better than only having a fixed tooth disk and active toothed disk.
Fig. 4 is another improved schematic diagram of the bipolar acceleration polymers swell of the present invention grain dissolution device, power transmission shaft 6 be put and directly be driven to this improvement will on motor 19, power transmission shaft 6 is connected on liquid storage cylinder 1 by mechanical seal 14, centralizer 15, bearing block 7, motor 19 connection for transmission axles 6, motor 19 is fixed by support.This improvement can conserve space, simplified apparatus, and convenient the installation also can be reduced liquid to the corrosion of power transmission shaft simultaneously.
The above; only for the better specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement are within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (7)
1. bipolar acceleration polymers swell grain dissolution device, it is characterized in that: this device is comprised of draw unit and liquid storage cylinder, draw unit from upper successively by the upper fixed tooth disk that all has some through holes, active toothed disk, lower fixed tooth disk forms, described draw unit also comprises power transmission shaft and bearing block, active toothed disk is fixed on power transmission shaft, upper fixed tooth disk and lower fixed tooth disk are fixed on liquid storage cylinder, described upper fixed tooth disk and lower fixed tooth disk adopt short toothing near the face of active toothed disk, and the even interlock of short toothing with the active toothed disk two sides, power transmission shaft is connected belt pulley by bearing block with liquid storage cylinder, bearing block is fixed on liquid storage cylinder, draw unit is positioned at liquid storage cylinder, liquid storage cylinder top is provided with inlet, the bottom is provided with liquid outlet.
2. bipolar acceleration polymers swell grain dissolution device as claimed in claim 1, is characterized in that, described active toothed disk adopts short toothing, and short tooth surface designs for arc transition.
3. bipolar acceleration polymers swell grain dissolution device as claimed in claim 2, is characterized in that, the short tooth tooth length of described active toothed disk is 3～5cm.
4. bipolar acceleration polymers swell grain dissolution device as claimed in claim 1, it is characterized in that, the short toothing top of described active toothed disk and lower fixed tooth disk is trapezoidal, and the interlock spacing of upper fixed tooth disk and active toothed disk, active toothed disk and lower fixed tooth disk reduces from top to the bottom gradually.
5. bipolar acceleration polymers swell grain dissolution device as claimed in claim 1, is characterized in that, also is provided with mechanical seal in the middle of described power transmission shaft bottom and bearing block, and the mechanical seal outside is provided with centralizer, and is fixed on bearing block.
6. bipolar acceleration polymers swell grain dissolution device as claimed in claim 1, it is characterized in that, described liquid storage cylinder is comprised of upper cover and housing, and upper cover is connected connecting bolt to connect and sealing with housing, inlet is located at upper cover top, and liquid outlet is located at lower housing portion.
7. bipolar acceleration polymers swell grain dissolution device as claimed in claim 1, is characterized in that, it is characterized in that, described power transmission shaft is connected with liquid storage cylinder by bearing block puts motor on the outside.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310069551.9A CN103111199B (en) | 2013-03-05 | 2013-03-05 | Bipolar polymer swelling particle dissolution accelerating device |
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| CN201310069551.9A CN103111199B (en) | 2013-03-05 | 2013-03-05 | Bipolar polymer swelling particle dissolution accelerating device |
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| CN103111199A true CN103111199A (en) | 2013-05-22 |
| CN103111199B CN103111199B (en) | 2015-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699946A (en) * | 2022-04-18 | 2022-07-05 | 西南石油大学 | Polymer stretching and mass transfer integrated overspeed dissolving device and dissolving method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS631430A (en) * | 1986-06-20 | 1988-01-06 | Ishiyama Bunyo | High-speed dissolving and wetting method for powder and grain materials |
| CN101610832A (en) * | 2006-12-19 | 2009-12-23 | 阿氏环球技术公司 | The equipment of preparation dispersion and the method for preparing dispersion |
| CN102059060A (en) * | 2010-10-25 | 2011-05-18 | 中国海洋石油总公司 | Dissolving method of hydrophobically associating polymer and special stretching device thereof |
| KR200458752Y1 (en) * | 2009-06-24 | 2012-02-24 | 한국에너지기술(주) | An Apparatus for Producing Water having High Density of Oxygen |
| CN203123849U (en) * | 2013-03-05 | 2013-08-14 | 西南石油大学 | Bipolar polymer swollen particle dissolution accelerating device |
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- 2013-03-05 CN CN201310069551.9A patent/CN103111199B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS631430A (en) * | 1986-06-20 | 1988-01-06 | Ishiyama Bunyo | High-speed dissolving and wetting method for powder and grain materials |
| CN101610832A (en) * | 2006-12-19 | 2009-12-23 | 阿氏环球技术公司 | The equipment of preparation dispersion and the method for preparing dispersion |
| KR200458752Y1 (en) * | 2009-06-24 | 2012-02-24 | 한국에너지기술(주) | An Apparatus for Producing Water having High Density of Oxygen |
| CN102059060A (en) * | 2010-10-25 | 2011-05-18 | 中国海洋石油总公司 | Dissolving method of hydrophobically associating polymer and special stretching device thereof |
| CN203123849U (en) * | 2013-03-05 | 2013-08-14 | 西南石油大学 | Bipolar polymer swollen particle dissolution accelerating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699946A (en) * | 2022-04-18 | 2022-07-05 | 西南石油大学 | Polymer stretching and mass transfer integrated overspeed dissolving device and dissolving method thereof |
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