CN104525019B - Sand mixing tank, sand mixing truck and fracturing truck set - Google Patents

Sand mixing tank, sand mixing truck and fracturing truck set Download PDF

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Publication number
CN104525019B
CN104525019B CN201410849369.XA CN201410849369A CN104525019B CN 104525019 B CN104525019 B CN 104525019B CN 201410849369 A CN201410849369 A CN 201410849369A CN 104525019 B CN104525019 B CN 104525019B
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Prior art keywords
tank
tank body
plate
umbrella plate
fracturing
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CN104525019A (en
Inventor
张斌
李亮
付玲
刘之安
彭林斌
唐山青
张劲
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Abstract

The invention discloses a sand mixing tank, a sand mixing truck and a fracturing truck set, which are used for improving the uniformity of fracturing fluid, improving the fracturing quality and reducing the energy consumption of equipment. The sand mixing tank comprises a tank body, a drain pan, an upper umbrella plate and a lower umbrella plate which are sequentially arranged in the tank body from top to bottom and are coaxially arranged, wherein: the top of the tank body is provided with an opening, and the bottom of the tank body is provided with a base fluid inlet and a fracturing fluid outlet; the drain pan is fixedly connected with the tank body, and an opening at the bottom of the drain pan is communicated with the inner space of the tank body; the upper umbrella plate is rotatably arranged in the tank body, and a plurality of impact blades which are arranged in a vortex shape are distributed on the lower surface of the upper umbrella plate; the lower umbrella plate and the upper umbrella plate are axially arranged oppositely, gaps are formed between the lower umbrella plate and the plurality of impact blades, a liquid outlet is formed in the center of the lower umbrella plate, and a fluid channel for base liquid to flow is formed between the liquid outlet and the base liquid inlet.

Description

A kind of mixing sand tank, fracturing blender truck and fracturing unit truck group
Technical field
The present invention relates to field fracturing equipment technical field, particularly relate to a kind of mixing sand tank, fracturing blender truck andPlant fracturing unit truck group.
Background technology
In the recovery process of crude oil, need to increase recovery ratio by fracturing technology. Fracturing blender truck is as pressureSplit the nucleus equipment of car group, in oil field compression fracture process, play vital effect. In fracturing blender truck, mixedSand tank is the core component that sand grains is mixed with base fluid. As shown in Figure 1, fracturing blender truck is in when work, base fluid fromThe base fluid inlet 50 of mixing sand tank 100 is injected into, and sand grains is added from the top of mixing sand tank 100 by Jia Sha mechanismEnter, sand grains and base fluid be forming fracturing fluid in the tank body of mixing sand tank 100 after agitator arm 70 stirs, fromFracturing fluid outlet 60 is discharged, and flows to main delaying unloading with certain pressure.
The defect that above-mentioned prior art exists is, the sand grains that enters mixing sand tank is easy to present gathering shape, byMixing effect in agitator arm is limited, and sand grains and base fluid are difficult to be stirred, thereby makes to flow to masterThe fracturing fluid uniformity of delaying unloading is poor, badly influences pressure break quality. Stirring when in addition, agitator arm is workedMix energy consumption also higher.
Summary of the invention
The embodiment of the present invention provides a kind of mixing sand tank, fracturing blender truck and a kind of fracturing unit truck group, to improve fracturing fluidThe uniformity, improve pressure break quality, and reduce equipment energy consumption.
The mixing sand tank that the embodiment of the present invention provides, comprise tank body, be from top to bottom configured in successively in tank body andThe drain cap being coaxially set, upper umbrella plate and subumbrella plate, wherein:
The open top of described tank body, bottom has base fluid import and fracturing fluid outlet;
Described drain cap is fixedly connected with tank body, and its bottom opening is communicated with the inner space of described tank body;
Described upper umbrella plate is arranged in described tank body rotationally, and lower surface is distributed with and is the multiple of vortex-like arrangementImpact blade;
Described subumbrella plate and described upper umbrella plate are axially oppositely arranged, described subumbrella plate and described multiple impact bladeBetween there is gap, and center has liquid outlet, between described liquid outlet and described base fluid import, hasFor the mobile fluid passage of base fluid.
Preferably, the inside center position of described drain cap is fixed with axle sleeve, the center tool of described upper umbrella plateThere is the rotating shaft with described axle sleeve pivot dress.
Preferably, the upper surface of described upper umbrella plate is towards the bottom opening of described drain cap, described upper umbrella plate upperSurface distributed has multiple radial ribs.
Optionally, described impact blade comprises that board-type is impacted blade or camber impacts blade.
Preferably, the inwall of described drain cap is fixedly connected with axle sleeve by multiple gussets; And/or, described drain capOuter wall be fixedly connected with tank body by multiple gripper shoes.
Preferably, the liquid outlet of described subumbrella plate is connected with a sleeve pipe, and this mixing sand tank also comprises access tube, instituteState one end of access tube and the base fluid import of described tank body is connected, the other end is connected with described sleeve pipe.
Preferably, mixing sand tank also comprises: be disposed at the bottom space of tank body and be coaxially set with subumbrella plateAgitator arm, described agitator arm can drive rotation by driven device.
More excellent, mixing sand tank also comprises: be fixed on multiple deflectors of inner tank wall, described multiple deflectorsAlong the circumferential array of inner tank wall, and be positioned at the top of agitator arm.
In the technical scheme of the embodiment of the present invention, when base fluid continue to add from the base fluid import of tank body fashionable, byIn the existence of inertial flow, base fluid can be gone out from the liquid outlet of subumbrella plate, and impacts rushing of upper umbrella plate lower surfaceHit blade, thereby drive upper umbrella plate to continue rotation; Base fluid in impact after umbrella plate under Action of Gravity Field along onThe upper surface of the lower surface of umbrella plate and subumbrella plate flows to uniformly edge and falls. In the time that base fluid passes into one sectionBetween after flow speed stability, sand grains is added from the open-mouth of drain cap, the upper umbrella plate upper surface that sand grains drops down onto rotation alsoSlide to edge and fall, mix with mobile base fluid. Because upper umbrella plate is constantly impacted rotation by base fluid, therefore,The sand grains that drops down onto umbrella plate upper surface can evenly be covered with, and base fluid and sand grains can in the time that subumbrella panel edges fallsMix uniformly, and present uniform waterfall face shape below the edge of subumbrella plate. Compared to existing technology,This scheme has improved the of the fracturing fluid uniformity greatly. This fracturing fluid, for fracturing technology, can be improved to pressure greatlySplit quality. Further, improve because above-mentioned principle makes the of the fracturing fluid uniformity, existing rabbling mechanism canWith low power operation or cancellation, therefore, greatly reduce equipment energy consumption.
The embodiment of the present invention also provides a kind of fracturing blender truck, comprises the mulling described in aforementioned arbitrary technical schemeTank. The fracturing fluid uniformity that this fracturing blender truck is produced is better, and this fracturing fluid is used for to fracturing technology, can be greatlyImprove pressure break quality, and the energy consumption of equipment is lower.
The embodiment of the present invention also provides a kind of fracturing unit truck group, comprises the fracturing blender truck described in aforementioned techniques scheme.Use this Frac unit in the time carrying out the gathering of crude oil, pressure break quality is higher, and energy consumption is lower.
Brief description of the drawings
Fig. 1 is the perspective view of existing mixing sand tank;
Fig. 2 is the perspective view of embodiment of the present invention mixing sand tank;
Fig. 3 is tank body, the access tube configuration mode front view of the embodiment of the present invention;
Fig. 4 is the drain cap of the embodiment of the present invention, upper umbrella plate, subumbrella plate configuration mode schematic perspective view;
Fig. 5 a is the drain cap perspective view of the embodiment of the present invention;
Fig. 5 b is the main TV structure schematic diagram of the drain cap of the embodiment of the present invention;
Fig. 5 c is the drain cap plan structure schematic diagram of the embodiment of the present invention;
Fig. 6 is upper umbrella plate, the subumbrella plate configuration mode front view of the embodiment of the present invention;
Fig. 7 a is the main TV structure schematic diagram of upper umbrella plate of the embodiment of the present invention;
Fig. 7 b is the upper umbrella plate perspective view of the embodiment of the present invention;
Fig. 7 c is the upper umbrella plate plan structure schematic diagram of the embodiment of the present invention;
Fig. 7 d is that the upper umbrella plate of the embodiment of the present invention is looked up structural representation;
Fig. 8 is subumbrella plate, access tube, the ferrule configuration mode schematic perspective view of the embodiment of the present invention.
Reference numeral:
Prior art part:
100-mixing sand tank; 50-base fluid inlet; The outlet of 60-fracturing fluid; 70-agitator arm.
Embodiment of the present invention part:
200-mixing sand tank; 1-tank body; 2-drain cap; 3-access tube; The upper umbrella plate of 4-; 5-subumbrella plate;
The import of 11-base fluid; The outlet of 12-fracturing fluid; 21-axle sleeve; 41-rotating shaft; 42-impacts blade;
51-liquid outlet; 43-radial ribs; 6-gusset; 7-gripper shoe; 8-sleeve pipe; 80-agitator arm;
90-deflector.
Detailed description of the invention
In order to improve the of the fracturing fluid uniformity, improve pressure break quality, and reduce equipment energy consumption, the invention processExample provides a kind of mixing sand tank, fracturing blender truck and a kind of fracturing unit truck group. Below with specific embodiment also by reference to the accompanying drawingsDescribe the present invention in detail.
As shown in Fig. 2 to Fig. 4 and Fig. 8, the mixing sand tank 200 that one embodiment of the invention provides, comprises tank body1, be configured in successively in tank body 1 from top to bottom and the drain cap 2 being coaxially set, upper umbrella plate 4 and subumbrella plate 5,Wherein:
The open top of tank body 1, bottom has base fluid import 11 and fracturing fluid outlet 12;
Drain cap 2 is fixedly connected with tank body 1, and its bottom opening is communicated with the inner space of tank body 1;
Upper umbrella plate 4 is arranged in tank body 1 rotationally, and lower surface is distributed with the multiple impacts that are vortex-like arrangementBlade 42;
Subumbrella plate 5 is axially oppositely arranged with upper umbrella plate 4, tool between subumbrella plate 5 and multiple impact blade 42Gapped, and center has liquid outlet 51, has for base fluid between liquid outlet 51 and base fluid import 11Mobile fluid passage.
In the technical scheme of the embodiment of the present invention, drain cap 2 is not limit with the concrete fixed form of tank body 1. AsShown in Fig. 2, the outer wall of drain cap 2 is fixedly connected with tank body 1 by multiple gripper shoes 7. As Fig. 4, Fig. 5 a,Shown in Fig. 5 b and Fig. 5 c, the inside center position of drain cap 2 is fixed with axle sleeve 21, and the inwall of drain cap 2 passes throughMultiple gussets 6 are fixedly connected with axle sleeve 21. The center of upper umbrella plate 4 has and turning that axle sleeve 21 pivots fillAxle 41. Upper umbrella plate 4 is the axle sleeve 21 pivot dresses with drain cap 2 by rotating shaft 41, therefore, and under external force,Can rotate relative to drain cap 2. For improving the force-bearing situation between rotating shaft 41 and axle sleeve 21, make umbrella plate 4Can flexible rotating, between rotating shaft 41 and axle sleeve 21, be preferably provided with bearing. Be multiple punchings of vortex-like arrangementHit the lower surface that blade 42 can be welded on umbrella plate 4.
As shown in Fig. 2, Fig. 3 and Fig. 8, the liquid outlet 51 of subumbrella plate 5 is connected with a sleeve pipe 8, this mullingTank also comprises access tube 3, and one end of access tube 3 is connected with the base fluid import 11 of tank body 1, the other end and coverPipe 8 connects. That is: pipe box 8 and access tube 3 form between liquid outlet 51 and base fluid import 11 for base fluid streamMoving fluid passage. The outer wall of pipe box 8 can connect by connecting plate (not shown) and tank body 1 inwallConnect, thereby realize subumbrella plate 5 and access tube 3 fixing in tank body 1.
As shown in Fig. 4, Fig. 7 a, Fig. 7 b and Fig. 7 c, the upper surface of upper umbrella plate 4 is towards the bottom of drain cap 2Opening, the upper surface of upper umbrella plate 4 is distributed with multiple radial ribs 43. When upper at upper umbrella plate 4 of sand grains landing, radial ribs 43 has certain barrier effect to sand grains when on the surface, can reduce sand grains and assemble, and improves sandThe uniformity that grain distributes. Adjacent two radial ribs 43 form a sand grains with the upper surface of upper umbrella plate 4Conduit, the sand grains of landing in sand grains conduit along on the upper surface of umbrella plate 4 slide to edge and fall.
The particular type of the impact blade 42 that upper umbrella plate 4 lower surfaces connect is not limit, and can be board-type punchingHit blade or camber and impact blade. Preferably adopt the curved impingement blade shown in Fig. 7 d, this shape is more sharpIn flowing of base fluid, be conducive to improve target efficiency.
As shown in Figure 2 and Figure 6, the course of work of mixing sand tank that the embodiment of the present invention provides is:
Base fluid is continued to add from base fluid import 11. Due to the existence of inertial flow, base fluid can be from subumbrella plate 5Liquid outlet 51 go out, and impact the impact blade 42 that upper umbrella plate 4 lower surfaces are vortex-like arrangement, thus bandMoving upper umbrella plate 4 continues rotation; Base fluid in impact after umbrella plate 4 under Action of Gravity Field along on umbrella plate 4 underThe upper surface of surface and subumbrella plate 5 flows to uniformly edge and falls.
Pass into after a period of time flow speed stability at base fluid, sand grains is added from the open-mouth of drain cap 2, sand grains fallsTo upper umbrella plate 4 upper surfaces of rotation and slide to edge and fall, mix with mobile base fluid. Due to upper umbrella plate 4Be subject to the impact of base fluid to continue rotation, therefore, the sand grains that drops down onto umbrella plate 4 upper surfaces can evenly be covered with, baseLiquid can mix while falling at subumbrella plate 5 edges with sand grains uniformly, and below the edge of subumbrella plate 5Present uniform waterfall face shape.
Can find out from said process, this programme utilizes the structure spy of drain cap 2, upper umbrella plate 4 and subumbrella plate 5Levy base fluid is mixed uniformly with sand grains, greatly improved the of the fracturing fluid uniformity. This fracturing fluid is used for pressingSplit technique, can greatly improve pressure break quality.
As shown in Figure 2, in the scheme of the embodiment of the present invention, mixing sand tank also comprises the end that is disposed at tank body 1Portion space and the agitator arm 80 being coaxially set with subumbrella plate 5, agitator arm 80 can driven device (exampleAs hydraulic motor) drive and rotate. Because the structure of drain cap 2, upper umbrella plate 4 and subumbrella plate 5 can makeBase fluid mixes comparatively uniformly with sand grains, and therefore, rabbling mechanism can be with lower power consumption operation. Compare existingHave technology, present design greatly reduces equipment energy consumption.
As shown in Figure 2, in order further to strengthen the mixing effect of agitator arm 80, the inwall of tank body 1 alsoBe fixed with multiple deflectors 90, multiple deflectors 90 are along the circumferential array of tank body 1 inwall, and are positioned at stirringThe top of impeller 80. In the time that agitator arm 80 rotates, the liquid in tank body 1 is stirred impeller 80 and promotesCo-flow, because the liquid of deflector 90 flows has barrier effect, therefore can make in tank body 1Produce many little whirlpools, stir dead band thereby reduce, improve stirring efficiency, make base fluid and sand grains more evenMixing. The concrete shape of deflector 90 is not limit, preferred, adopts T-shaped deflector, is welded on tank body1 inwall.
The embodiment of the present invention also provides a kind of fracturing blender truck, comprises the mixing sand tank of aforementioned arbitrary embodiment. This is mixedThe fracturing fluid uniformity that sand car is produced is better, and this fracturing fluid, for fracturing technology, can be improved to pressure break greatlyQuality, and the energy consumption of equipment is lower.
The embodiment of the present invention also provides a kind of fracturing unit truck group, comprises the fracturing blender truck of previous embodiment. Fracturing unit truckGroup except comprising fracturing blender truck, also comprise lead delay unloading, measuring truck, sand tank car, cementing truck, liquid nitrogen car, liquidTank car, etc. Use this fracturing unit truck group in the time carrying out the gathering of crude oil, pressure break quality is higher, energy consumptionLower.
Obviously, those skilled in the art can carry out various changes and modification and not depart from this present inventionBright spirit and scope. Like this, if of the present invention these amendment and modification belong to the claims in the present invention andWithin the scope of its equivalent technologies, the present invention be also intended to comprise these change and modification interior.

Claims (10)

1. a mixing sand tank, is characterized in that, comprise tank body, be from top to bottom configured in successively in tank body andThe drain cap being coaxially set, upper umbrella plate and subumbrella plate, wherein:
The open top of described tank body, bottom has base fluid import and fracturing fluid outlet;
Described drain cap is fixedly connected with tank body, and its bottom opening is communicated with the inner space of described tank body;
Described upper umbrella plate is arranged in described tank body rotationally, and lower surface is distributed with and is the multiple of vortex-like arrangementImpact blade;
Described subumbrella plate and described upper umbrella plate are axially oppositely arranged, described subumbrella plate and described multiple impact bladeBetween there is gap, and center has liquid outlet, between described liquid outlet and described base fluid import, hasFor the mobile fluid passage of base fluid.
2. mixing sand tank as claimed in claim 1, is characterized in that, the inside center position of described drain capBe fixed with axle sleeve, the center of described upper umbrella plate has the rotating shaft with described axle sleeve pivot dress.
3. mixing sand tank as claimed in claim 1, is characterized in that, the upper surface of described upper umbrella plate towardsThe bottom opening of described drain cap, the upper surface of described upper umbrella plate is distributed with multiple radial ribs.
4. mixing sand tank as claimed in claim 1, is characterized in that, described impact blade comprises board-typeImpact blade or camber and impact blade.
5. mixing sand tank as claimed in claim 2, is characterized in that, the inwall of described drain cap is by multipleGusset is fixedly connected with axle sleeve; And/or the outer wall of described drain cap is fixedly connected with tank body by multiple gripper shoes.
6. mixing sand tank as claimed in claim 1, is characterized in that, the liquid outlet of described subumbrella plate andSleeve pipe connects, and described mixing sand tank also comprises access tube, and one end of described access tube and the base fluid of described tank body enterMouth connects, and the other end is connected with described sleeve pipe.
7. mixing sand tank as claimed in claim 1, is characterized in that, also comprises: the end that is disposed at tank bodyPortion space and the agitator arm being coaxially set with subumbrella plate, described agitator arm can revolve in driven device drivingTurn.
8. mixing sand tank as claimed in claim 7, is characterized in that, also comprises: be fixed on inner tank wallMultiple deflectors, described multiple deflectors are along the circumferential array of inner tank wall, and are positioned at the upper of agitator armSide.
9. a fracturing blender truck, is characterized in that, comprises the mixing sand tank as described in claim 1~8 any one.
10. a fracturing unit truck group, is characterized in that, comprises fracturing blender truck as claimed in claim 9.
CN201410849369.XA 2014-12-29 2014-12-29 Sand mixing tank, sand mixing truck and fracturing truck set Active CN104525019B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397180A (en) * 2018-04-02 2018-08-14 中煤科工集团西安研究院有限公司 Underground coal mine hydraulic fracturing high pressure sealing continuously adds aggregate system and method
CN112191183B (en) * 2020-09-17 2023-03-17 中油国家油气钻井装备工程技术研究中心有限公司 A blending tank for fracturing sand mixing equipment
CN113181803B (en) * 2021-06-02 2024-08-02 英达热再生有限公司 Mixed material stirring equipment
CN113464112A (en) * 2021-07-30 2021-10-01 烟台杰瑞石油装备技术有限公司 Mix row device, mix row system and fracturing system
CN117656255B (en) * 2023-12-12 2024-09-27 湖南三一工业职业技术学院 Mortar preparation machinery

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN202666716U (en) * 2012-07-14 2013-01-16 烟台杰瑞石油装备技术有限公司 Sand-mixing tank for sand-mixing equipment
CN203874706U (en) * 2014-05-07 2014-10-15 三一重型能源装备有限公司 Agitation tank device and oilfield fracturing and mulling equipment
CN203874682U (en) * 2014-05-07 2014-10-15 三一重型能源装备有限公司 Mixing tank device and mixing discharge system
CN203955137U (en) * 2014-07-23 2014-11-26 中国石油集团渤海钻探工程有限公司 Fracturing fluid is mixed continuously and uses blending tank

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202666716U (en) * 2012-07-14 2013-01-16 烟台杰瑞石油装备技术有限公司 Sand-mixing tank for sand-mixing equipment
CN203874706U (en) * 2014-05-07 2014-10-15 三一重型能源装备有限公司 Agitation tank device and oilfield fracturing and mulling equipment
CN203874682U (en) * 2014-05-07 2014-10-15 三一重型能源装备有限公司 Mixing tank device and mixing discharge system
CN203955137U (en) * 2014-07-23 2014-11-26 中国石油集团渤海钻探工程有限公司 Fracturing fluid is mixed continuously and uses blending tank

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