CN103143276A - Polymer swelling particle dissolution acceleration device provided with cleaner and cleaning groove - Google Patents
Polymer swelling particle dissolution acceleration device provided with cleaner and cleaning groove Download PDFInfo
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- CN103143276A CN103143276A CN2013100690642A CN201310069064A CN103143276A CN 103143276 A CN103143276 A CN 103143276A CN 2013100690642 A CN2013100690642 A CN 2013100690642A CN 201310069064 A CN201310069064 A CN 201310069064A CN 103143276 A CN103143276 A CN 103143276A
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Abstract
The invention discloses a polymer swelling particle dissolution acceleration device provided with a cleaner and a cleaning groove. The device comprises a liquid storage cavity, a stretching mechanism and the cleaner, wherein both the stretching mechanism and the cleaner are arranged in the liquid storage cavity; the stretching mechanism comprises an upper fixed tooth disc, a movable tooth disc and a lower fixed tooth disc, which are sequentially matched from top to bottom; the lower surface of the upper fixed tooth disc is provided with concentric circle gear rings a; each concentric circle gear ring a consists of upper fixed teeth; the upper surface and the lower surface of the movable tooth disc are respectively provided with concentric circle gear rings b; each concentric circle gear ring b consists of movable teeth; the upper surface of the lower fixed tooth disc is provided with concentric circle gear rings c; each concentric circle gear ring c consists of lower fixed teeth; the movable teeth are respectively meshed and matched with the upper fixed teeth and the lower fixed teeth; a plurality of trapezoidal grooves are respectively arranged in the end surfaces on which the upper fixed teeth are meshed with the movable teeth and the lower fixed teeth are meshed with the movable teeth; and the cleaner is arranged at the upper part of the upper fixed tooth disc and is fixed on a transmission shaft. The dissolution acceleration device can be used for obtaining a uniform hydrophobic associated polymer solution within a short time, can be used for a polymer flooding technology under the condition of hypersalinity, and improves the oil recovery rate.
Description
Technical field
The present invention relates to a kind of pressure stretching instant device of accelerating the partially hydrolyzed polyacrylamide (PHPA) base polymer, be specifically related to a kind of acceleration polymers swell grain dissolution device with cleaner and cleaning slot.
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 acceleration polymers swell grain dissolution device with cleaner and cleaning slot, this device can be cleared up polymers swell particle on fixed tooth disk, prevent that fixed tooth disk from stopping up, and high efficiency is accelerated the polymer beads dissolving more.
A kind of acceleration polymers swell grain dissolution device with cleaner and cleaning slot provided by the present invention comprises liquid storage cylinder, drawing mechanism and cleaner, and described drawing mechanism and described cleaner all are arranged in described liquid storage cylinder;
The top of described liquid storage cylinder is provided with inlet, and the bottom is provided with liquid outlet;
Described drawing mechanism comprises upper fixed tooth disk, active toothed disk and the lower fixed tooth disk that coordinates successively from top to bottom; The lower surface of described upper fixed tooth disk is provided with some groups of concentric circles gear ring a, and described each concentric circles gear ring a forms by deciding tooth on several; The upper surface of described active toothed disk and lower surface are equipped with some groups of concentric circles gear ring b, and described each concentric circles gear ring b is comprised of several moving teeth; The upper surface of described lower fixed tooth disk is provided with some groups of concentric circles gear ring c, and described each concentric circles gear ring c forms by deciding tooth under several; Described moving tooth is upward decided tooth and describedly decides equal engageable cooperations of tooth down with described, and describedly upward decides tooth and describedly decide to be equipped with several dovetail grooves on tooth and end face that described moving tooth is meshed down;
Described upper fixed tooth disk and described lower fixed tooth disk all are fixed on the sidewall of described liquid storage cylinder, and described active toothed disk is fixed in described liquid storage cylinder by power transmission shaft; Described power transmission shaft is connected with actuating unit;
Described cleaner is located at the top of described upper fixed tooth disk, and is fixed on described power transmission shaft.
In above-mentioned dissolver, described cleaner comprises crosswise blade, and described blade is perpendicular to described power transmission shaft, and described cleaner can clean the polymers swell particle that sticks to described upper fixed tooth disk better; Spacing between described cleaner and described upper fixed tooth disk can be determined according to the particle of polymer.
In above-mentioned dissolver, 2 base angles of described dovetail groove can be respectively acute angle and obtuse angle, acute angle can be regulated in the scope of 70 °～80 °, the obtuse angle can be regulated in the scope of 120 °～130 °, it is 75 ° as acute angle, the obtuse angle is 125 °, in use, and with the base angle end at the obtuse angle front end along described active toothed disk rotation direction.
In above-mentioned dissolver, described dovetail groove is upward decided tooth and the described lower end face of deciding tooth is evenly arranged along described, and the number of its setting can be regulated as required.
In above-mentioned dissolver, describedly upward decide tooth, described moving tooth and the described lower height of deciding tooth and all can be 3cm～5cm, and all adopt the 3Cr13 steel to process.
In above-mentioned dissolver, the upper end of described moving tooth and described lower upper end of deciding tooth all are trapezoidal, and describedly upward decide engagement spacing between tooth and described moving tooth and described moving tooth and described lower engagement spacing of deciding between tooth and all from top to bottom reduce gradually.
In above-mentioned dissolver, described power transmission shaft is fixed on by bearing block on the bottom of described liquid storage cylinder, and an end of described power transmission shaft extends to outside described liquid storage cylinder and with belt pulley and is connected.
In above-mentioned dissolver, described power transmission shaft is fixed on by bearing block on the top of described liquid storage cylinder, and an end of described power transmission shaft extends to outside described liquid storage cylinder and with motor and is connected.
In above-mentioned dissolver, be provided with mechanical seal between described power transmission shaft and described bearing block;
Described mechanical seal outside is provided with centralizer, and described centralizer is fixed on described bearing block.
In above-mentioned dissolver, described liquid storage cylinder comprises housing and upper cover, connects for bolt between described housing and described upper cover.
Dissolver provided by the invention can obtain the hydrophobic association polymer solution of homogeneous at short notice, can be used in the polymer displacement of reservoir oil tech under the high salinity condition, the recovery ratio of oil is improved, and have that treating capacity is large, lightweight, floor space is little, simple advantage is installed, and when being arranged on upper fixed tooth disk, bulky grain polymers swell particle can in time clean.
Description of drawings
Fig. 1 is the structural representation of the acceleration polymers swell grain dissolution device of band cleaner of the present invention and cleaning slot;
Fig. 2 is the schematic diagram that the acceleration polymers swell grain dissolution device of band cleaner of the present invention and cleaning slot is positioned at the dovetail groove on lower fixed tooth disk;
Fig. 3 is the top view of active toothed disk of the acceleration polymers swell grain dissolution device of band cleaner of the present invention and cleaning slot;
Fig. 4 is that moving tooth on tooth, active toothed disk and the lower structure amplification profile of deciding tooth on lower fixed tooth disk are decided in upper on the upper fixed tooth disk of acceleration polymers swell grain dissolution device of band cleaner of the present invention and cleaning slot;
Fig. 5 is the top view of cleaner of the acceleration polymers swell grain dissolution device of band cleaner of the present invention and cleaning slot;
Fig. 6 is that another kind of the present invention is with the structural representation of the acceleration polymers swell grain dissolution device of cleaner and cleaning slot.
In figure, each mark is as follows: decide tooth, 17 on fixed tooth disk on 1 liquid storage cylinder, 2 through holes, 3,4 active toothed disks, 5 times fixed tooth disks, 6 power transmission shafts, 7 bearing blocks, 8 short teeth, 9 belt pulleys, 10 inlets, 11 liquid outlets, 12 upper covers, 13 engagement spacings, 14 mechanical seals, 15 centralizers, 16 and move teeth, decide tooth, 19 cleaners, 20 blades, 21 dovetail grooves, 22 motors for 18 times.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing, but the present invention is not limited to following examples.
As Fig. 1-shown in Figure 5, the acceleration polymers swell grain dissolution device with cleaner and cleaning slot provided by the invention comprises liquid storage cylinder 1, drawing mechanism and cleaner 19, and this drawing mechanism and cleaner 19 all are arranged in liquid storage cylinder 1;
This liquid storage cylinder 1 comprises upper cover 12 and housing (not marking in figure), and both adopt bolt to connect and seal; Be provided with inlet 10 on upper cover 12, be provided with liquid outlet 11 in the bottom of housing.This drawing mechanism comprises upper fixed tooth disk 3, active toothed disk 4 and the lower fixed tooth disk 5 that coordinates successively from top to bottom; And be provided with many group concentric circles gear ring a on the lower surface of upper fixed tooth disk 3, each concentric circles gear ring a is upward decided tooth 16 and forms by a plurality of; The upper surface of active toothed disk 4 and lower surface are equipped with many group concentric circles gear ring b, and each concentric circles gear ring b is comprised of a plurality of moving teeth 17; The upper surface of lower fixed tooth disk 5 is provided with many group concentric circles gear ring c, and each concentric circles gear ring c is decided tooth 18 and forms down by a plurality of, and moving tooth 17 is decided tooth 16 and decides equal engageable cooperations of tooth 18 down with upper; Moving tooth 17, upward decide tooth 16 and decide tooth 18 and all adopt short tooth 8 structures down, it highly is 5cm.
As shown in Figure 4, upper end and the lower upper end of deciding tooth 18 of moving tooth 17 all are trapezoidal, and upper decide engagement spacing 13 between tooth 16 and moving tooth 17 and moving tooth 17 and lower engagement spacing of deciding between tooth 18 and all from top to bottom reduce gradually, thereby 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, upper decide tooth 16 and moving tooth 17 intermeshing and the spacing 13 of engagement arranged, the upper entrance of its engagement spacing 13 is 2.45mm, engagement spacing 13 lower part outlets are 0.45mm, and the degree of depth at its 0.45mm width place 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 formation secondary, moving tooth 17 and lower decide tooth 18 intermeshing and the spacing 13 of engagement arranged, its engagement spacing 13 upper entrances are 1.32mm, and engagement spacing 13 lower part outlets are 0.15mm, and the degree of depth at its 0.15mm width place is 5mm.By the instant structure of above twin-stage, 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.
As shown in Figure 2, decide tooth 16 and decide to be equipped with a plurality of dovetail grooves that are evenly arranged 19 on tooth 18 and end face that moving tooth 17 is meshed down upper, front end along active toothed disk 4 rotation directions, the base angle of this dovetail groove 19 is 125 ° of angles, its base angle, rear end is 25 ° of angles, this design can force the fluid in liquid storage cylinder 1 to flow forward, prevents from stopping up.
Upward fixed tooth disk 3 and lower fixed tooth disk 5 all are fixed on the sidewall of liquid storage cylinder 1, active toothed disk 4 is fixed on the bottom of liquid storage cylinder 1 by power transmission shaft 6, and power transmission shaft 6 is fixed on liquid storage cylinder 1 by bearing block 7, be provided with mechanical seal 14 in the middle of power transmission shaft 6 bottoms and bearing block 7, thereby can prevent that the solution in liquid storage cylinder 1 from entering power transmission shaft 6 corrosion power transmission shafts 6; Be provided with in mechanical seal 14 outsides the centralizer 15 that is fixed on bearing block 7, rock and be offset to prevent power transmission shaft 6.One end of this power transmission shaft 6 extends to outside liquid storage cylinder 1 and with belt pulley 9 and is connected, and is used for driving power transmission shaft 6 and rotates.
As Fig. 1 and shown in Figure 5, cleaner 19 is arranged at the top of fixed tooth disk 3, and is fixed on power transmission shaft 6.This cleaner 19 comprises and is criss-cross blade 20, and blade 20 is perpendicular to power transmission shaft 6, and under the drive of power transmission shaft 6, blade 20 rotates, and can clear up the particle on fixed tooth disk 3.Because can be attached to when the polymers swell particle is large on upper fixed tooth disk 3, the through hole 2 that can stop up on upper fixed tooth disk 3 affects the normal operation of this dissolver or lowers efficiency, this moment, cleaner 19 was under the drive of power transmission shaft 6 and turn round, polymer attached in cleaning on fixed tooth disk 3, the cleaner structure of 4 blade 20 composition cross shape impellers is simple, the effect of cleaning is also better, and cleaner 19 can be decided according to the specification of polymer with the distance of upper fixed tooth disk 3, in order to reach optimum efficiency.
Fig. 6 is that another kind provided by the invention is with the structural representation of the acceleration polymers swell grain dissolution device of cleaner and cleaning slot, the structure of this dissolver and above-mentioned dissolver is basic identical, difference is: power transmission shaft 6 is fixed on the upper cover 12 of liquid storage cylinder 1, and its end directly is connected with motor 22, and motor 22 is fixed by support.This arranges can conserve space, simplified apparatus, and convenient the installation also can be reduced liquid to the corrosion of power transmission shaft simultaneously.
When the above-mentioned the first dissolver that provides is provided, at first arranges 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 is through cleaner 19, then enter 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, because 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 even structure engagements of short tooth 8 structures of active toothed disk 4 and upper fixed tooth disk 3, lower fixed tooth disk 5.The short tooth 8 structure tops of lower fixed tooth disk 3 and active toothed disk 4 are trapezoidal, upper fixed tooth disk 3 reduces from top to the bottom gradually with active toothed disk 4, active toothed disk 4 and lower fixed tooth disk 5 interlock spacings 13, 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.The end face that is meshed with active toothed disk 4 at upper fixed tooth disk 3, lower fixed tooth disk 5 is respectively equipped with a plurality of dovetail grooves 21, be dovetail groove 21 on lower fixed tooth disk 5 as Fig. 2, this kind is positioned at the dovetail groove 21 of fixed tooth disk 3, lower fixed tooth disk 5, along front end its base angles of active toothed disk 4 rotation directions in obtuse angle, its base angle, rear end is acute angle, this design can force the fluid in liquid storage cylinder 1 to flow forward, prevents from stopping up.Swelling particle by said process was processed by liquid outlet 11, enters into the pipeline that is connected with the slaking tank, enters at last the slaking tank and dissolves.
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 (10)
1. acceleration polymers swell grain dissolution device with cleaner and cleaning slot, it is characterized in that: described dissolver comprises liquid storage cylinder, drawing mechanism and cleaner, described drawing mechanism and described cleaner all are arranged in described liquid storage cylinder;
The top of described liquid storage cylinder is provided with inlet, and the bottom is provided with liquid outlet;
Described drawing mechanism comprises upper fixed tooth disk, active toothed disk and the lower fixed tooth disk that coordinates successively from top to bottom; The lower surface of described upper fixed tooth disk is provided with some groups of concentric circles gear ring a, and described each concentric circles gear ring a forms by deciding tooth on several; The upper surface of described active toothed disk and lower surface are equipped with some groups of concentric circles gear ring b, and described each concentric circles gear ring b is comprised of several moving teeth; The upper surface of described lower fixed tooth disk is provided with some groups of concentric circles gear ring c, and described each concentric circles gear ring c forms by deciding tooth under several; Described moving tooth is upward decided tooth and describedly decides equal engageable cooperations of tooth down with described, and describedly upward decides tooth and describedly decide to be equipped with several dovetail grooves on tooth and end face that described moving tooth is meshed down;
Described upper fixed tooth disk and described lower fixed tooth disk all are fixed on the sidewall of described liquid storage cylinder, and described active toothed disk is fixed in described liquid storage cylinder by power transmission shaft; Described power transmission shaft is connected with actuating unit;
Described cleaner is located at the top of described upper fixed tooth disk, and is fixed on described power transmission shaft.
2. dissolver according to claim 1, it is characterized in that: described cleaner comprises crosswise blade, described blade is perpendicular to described power transmission shaft.
3. dissolver according to claim 1 and 2, it is characterized in that: 2 base angles of described dovetail groove are respectively acute angle and obtuse angle.
4. the described dissolver of any one according to claim 1-3 is characterized in that: described dovetail groove is upward decided tooth and the described lower end face of deciding tooth is evenly arranged along described.
5. the described dissolver of any one according to claim 1-4 is characterized in that: describedly upward decide tooth, described moving tooth and the described lower height of deciding tooth and be 3cm～5cm.
6. the described dissolver of any one according to claim 1-5, it is characterized in that: the upper end of described moving tooth and described lower upper end of deciding tooth all are trapezoidal, and describedly upward decide engagement spacing between tooth and described moving tooth and described moving tooth and described lower engagement spacing of deciding between tooth and all from top to bottom reduce gradually.
7. the described dissolver of any one according to claim 1-6, it is characterized in that: described power transmission shaft is fixed on by bearing block on the bottom of described liquid storage cylinder, and an end of described power transmission shaft extends to outside described liquid storage cylinder and with belt pulley and is connected.
8. the described dissolver of any one according to claim 1-6, it is characterized in that: described power transmission shaft is fixed on by bearing block on the top of described liquid storage cylinder, and an end of described power transmission shaft extends to outside described liquid storage cylinder and with motor and is connected.
9. according to claim 7 or 8 described dissolvers, is characterized in that: be provided with mechanical seal between described power transmission shaft and described bearing block;
Described mechanical seal outside is provided with centralizer, and described centralizer is fixed on described bearing block.
10. according to claim 7 or 8 described dissolvers, it is characterized in that: described liquid storage cylinder comprises housing and upper cover, is that bolt connects between described housing and described upper cover.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310069064.2A CN103143276B (en) | 2013-03-05 | 2013-03-05 | Polymer swelling particle dissolution acceleration device provided with cleaner and cleaning groove |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310069064.2A CN103143276B (en) | 2013-03-05 | 2013-03-05 | Polymer swelling particle dissolution acceleration device provided with cleaner and cleaning groove |
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| CN103143276A true CN103143276A (en) | 2013-06-12 |
| CN103143276B CN103143276B (en) | 2015-01-07 |
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Cited By (3)
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| CN109351219A (en) * | 2018-11-01 | 2019-02-19 | 中国海洋石油集团有限公司 | A kind of tubular type dissolver for forcing strained polymer |
| CN109433033A (en) * | 2018-11-01 | 2019-03-08 | 中国海洋石油集团有限公司 | A kind of polymer dissolved dilution device and its assemble method |
| CN114653231A (en) * | 2022-04-18 | 2022-06-24 | 西南石油大学 | Mass transfer stretching instant dissolving device with cleaning structure and dissolving method thereof |
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| US11865500B2 (en) | 2022-04-18 | 2024-01-09 | Southwest petroleum university; | Instant dissolving device by mass transfer and stretching with a cleaning structure and a dissolving method thereof |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Southwest Petroleum University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Southwest Petroleum University |
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Effective date of registration: 20191211 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC research institute limited liability company Patentee before: China Offshore Oil Group Co., Ltd. Co-patentee before: Southwest Petroleum University |
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