CN103143277A - Dual-stage polymer swelling particle dissolving accelerating device with instant structure ring - Google Patents

Dual-stage polymer swelling particle dissolving accelerating device with instant structure ring Download PDF

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Publication number
CN103143277A
CN103143277A CN2013100699331A CN201310069933A CN103143277A CN 103143277 A CN103143277 A CN 103143277A CN 2013100699331 A CN2013100699331 A CN 2013100699331A CN 201310069933 A CN201310069933 A CN 201310069933A CN 103143277 A CN103143277 A CN 103143277A
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China
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tooth
liquid storage
storage cylinder
power transmission
transmission shaft
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CN2013100699331A
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CN103143277B (en
Inventor
张健
杨光
赵文森
舒政
赖南君
郭光范
薛新生
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China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
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Southwest Petroleum University
China National Offshore Oil Corp CNOOC
CNOOC Research Institute Co Ltd
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Abstract

The invention discloses a dual-stage polymer swelling particle dissolving accelerating device with an instant structure ring. The dual-stage polymer swelling particle dissolving accelerating device with the instant structure ring comprises a liquid storage cavity and a stretching mechanism, wherein the stretching mechanism is arranged in the liquid storage cavity; 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 stretching mechanism comprises an upper fixed gear disc, a moving gear disc and a lower fixed gear disc which are matched sequentially from top to bottom; the lower surface of the upper fixed gear disc is provided with concentric circle gear rings a, and each concentric circle gear ring a consists of a plurality of moving gears; the upper surface and the lower surface of the moving gear are provided with concentric circle gear rings b, and each concentric circle gear ring consists of a plurality of moving gears; the upper surface of the lower fixed gear disc is provided with concentric circle gear rings c, and each concentric circle gear ring c consists of lower fixed gears; the moving gears can be meshed and matched with the upper fixed gears and the lower fixed gears; and a drive shaft is connected with a power mechanism. The dissolving device provided by the invention can obtain homogeneous hydrophobic associated polymers in a short time, and can be applied to a polymer flooding technique under high mineralization degree, so that the petroleum recovery efficiency can be improved, and the dissolving device also has the advantages of high treatment amount, light weight, small occupied area and simplicity in installation.

Description

The acceleration polymers swell grain dissolution device of the molten structure ring of twin-stage belt speed
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 the acceleration polymers swell grain dissolution device of the molten structure ring of a kind of twin-stage belt speed.
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 acceleration polymers swell grain dissolution device that the purpose of this invention is to provide the molten structure ring of a kind of twin-stage belt speed, this device high efficiency more accelerate the polymer beads dissolving.
The acceleration polymers swell grain dissolution device of the molten structure ring of a kind of twin-stage belt speed provided by the present invention comprises liquid storage cylinder and drawing mechanism, and described drawing mechanism is 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;
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.
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, describedly upward decide to be equipped with several cuttings on tooth, described moving tooth and described lower surface of deciding tooth.
In above-mentioned dissolver, can be between described cutting and be evenly arranged;
Spacing between described cutting can be 5mm~10mm, and the degree of depth of described cutting can be 0.5mm~1.5mm.
In above-mentioned dissolver, the angle between the central axis of described cutting and described power transmission shaft can be 10 °~20 °.
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 the top of described liquid storage cylinder by bearing block, one end of described power transmission shaft extends to outside described liquid storage cylinder and with motor and is connected, to put and directly drive power transmission shaft on motor, can conserve space, simplified apparatus, the convenient installation also can be reduced liquid to the corrosion of power transmission shaft simultaneously.
In above-mentioned dissolver, be provided with mechanical seal between described power transmission shaft and described bearing block, thereby can prevent that solution in described liquid storage cylinder from entering described power transmission shaft and corroding described power transmission shaft;
Described mechanical seal outside is provided with centralizer, and described centralizer is fixed on described bearing block, can prevent that described power transmission shaft from rocking and being offset.
In above-mentioned dissolver, described liquid storage cylinder comprises housing and upper cover, can be bolt between described housing and described upper cover and connects.
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 has that treating capacity is large, lightweight, floor space is little, simple advantage is installed.
Description of drawings
Fig. 1 is the structural representation of the acceleration polymers swell grain dissolution device of the molten structure ring of twin-stage belt speed of the present invention;
Fig. 2 is the top view of active toothed disk of the acceleration polymers swell grain dissolution device of the molten structure ring of twin-stage belt speed of the present invention;
Fig. 3 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 the molten structure ring of twin-stage belt speed of the present invention;
Fig. 4 is the structural representation of the acceleration polymers swell grain dissolution device of the molten structure ring of the another kind of twin-stage belt speed of the present invention.
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 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 and as shown in Figure 2, the acceleration polymers swell grain dissolution device of the molten structure ring of twin-stage belt speed provided by the invention comprises liquid storage cylinder 1 and drawing mechanism, and this drawing mechanism is 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 toothing down, it highly is 5cm.As shown in Figure 3, 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.Decide to be equipped with a plurality of cuttings that are evenly arranged (marking in figure) on tooth 16, moving tooth 17 and lower surface of decide tooth 18 upper, and the spacing between cutting is 5mm, the degree of depth of cutting is 1mm.This cutting is for being obliquely installed, and the angle of the central axis of itself and moving pond dish 3 is 15 °.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.
Fig. 4 is the structural representation of the acceleration polymers swell grain dissolution device of the molten structure ring of another kind of twin-stage belt speed provided by the invention, 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 19, and motor 19 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 using the first dissolver provided by the invention, 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, because upper fixed tooth disk 3, active toothed disk 4 and lower fixed tooth disk 5 all adopt the concentric circles gear ring, this gear ring adopts short tooth 8 structures, the concentric circles gear ring of the concentric circles gear ring of active toothed disk 4 and upper fixed tooth disk 3, lower fixed tooth disk 5 evenly meshes, thereby forms instant structure ring.Short tooth 8 structure tops on the concentric circles gear ring 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.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.
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. the acceleration polymers swell grain dissolution device of the molten structure ring of twin-stage belt speed, it is characterized in that: described dissolver comprises liquid storage cylinder and drawing mechanism, described drawing mechanism is 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;
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.
2. dissolver according to claim 1 is characterized in that: describedly upward decide tooth, described moving tooth and the described lower height of deciding tooth and be 3cm~5cm.
3. dissolver according to claim 1 is characterized in that: describedly upward decide to be equipped with several cuttings on tooth, described moving tooth and described lower surface of deciding tooth.
4. dissolver according to claim 3 is characterized in that: between described cutting for being evenly arranged;
Spacing between described cutting is 5mm~10mm, and the degree of depth of described cutting is 0.5mm~1.5mm.
5. according to claim 3 or 4 described dissolvers, it is characterized in that: the angle between the central axis of described cutting and described power transmission shaft is 10 °~20 °.
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.
CN201310069933.1A 2013-03-05 2013-03-05 Dual-stage polymer swelling particle dissolving accelerating device with instant structure ring Active CN103143277B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109847901A (en) * 2018-12-19 2019-06-07 旌德县源远新材料有限公司 A kind of glass fibre crushes equipment and waste silk processing method
CN115364525A (en) * 2022-10-27 2022-11-22 胜利油田胜鑫防腐有限责任公司 Petroleum separator

Citations (4)

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Publication number Priority date Publication date Assignee Title
KR100843349B1 (en) * 2007-07-23 2008-07-04 케이팩코리아주식회사 Fixed quantity fluiding device of liquid polymer solution system
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
CN203139917U (en) * 2013-03-05 2013-08-21 中国海洋石油总公司 Double-stage device with instant structure ring for accelerating polymer swollen particles to dissolve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100843349B1 (en) * 2007-07-23 2008-07-04 케이팩코리아주식회사 Fixed quantity fluiding device of liquid polymer solution system
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
CN203139917U (en) * 2013-03-05 2013-08-21 中国海洋石油总公司 Double-stage device with instant structure ring for accelerating polymer swollen particles to dissolve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109847901A (en) * 2018-12-19 2019-06-07 旌德县源远新材料有限公司 A kind of glass fibre crushes equipment and waste silk processing method
CN109847901B (en) * 2018-12-19 2021-06-22 旌德县源远新材料有限公司 Glass fiber crushing equipment and waste silk processing method
CN115364525A (en) * 2022-10-27 2022-11-22 胜利油田胜鑫防腐有限责任公司 Petroleum separator
CN115364525B (en) * 2022-10-27 2022-12-30 胜利油田胜鑫防腐有限责任公司 Petroleum separator

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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.

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Patentee before: China National Offshore Oil Corporation

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Effective date of registration: 20191212

Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

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Patentee after: China Offshore Oil Group Co., Ltd.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

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Patentee before: China Offshore Oil Group Co., Ltd.

Co-patentee before: Southwest Petroleum University

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