CN205895217U - Discharge capacity self -adaptation sand mulling device - Google Patents
Discharge capacity self -adaptation sand mulling device Download PDFInfo
- Publication number
- CN205895217U CN205895217U CN201620888565.2U CN201620888565U CN205895217U CN 205895217 U CN205895217 U CN 205895217U CN 201620888565 U CN201620888565 U CN 201620888565U CN 205895217 U CN205895217 U CN 205895217U
- Authority
- CN
- China
- Prior art keywords
- sand
- discharge capacity
- plc controller
- pipeline
- ware
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a method of discharge capacity self -adaptation sand mulling device and control, including: sand ware and PLC controller are failed to sledge frame, high energy synchysis ware, the spiral installed on the sledge frame, the feed liquor tube coupling of high energy synchysis ware supplies the liquid centrifugal pump, and drain line installs pressure sensor, installs shaking out of the sand hopper that enters sand mouth top at high energy synchysis ware and the defeated sand ware of spiral and mouthful links to each other, and the PLC controller is controlled the flow of high energy synchysis ware respectively and is failed the rotational speed of sand ware and the pressure in the pipeline with density, spiral. The utility model provides a discharge capacity self -adaptation sand mulling device's row outflow can in time carry out the automatic adjustment according to the operating pressure in the discharge line, and the set pressure in the holding tube way all the time avoids resulting in pressure decrease in the pipeline because of low reaches fracturing pumping equipment discharge capacity demand changes, pipeline sand setting problem appears.
Description
Technical field
This utility model is related to the mixing device in oil fracturing equipment.
Background technology
Pressure break is exploration of oil and gas field, an important technology in development process, and its principle is to make oil gas using fluid pressure
Reservoir forms crack, then injects load fluid into this crack, thus improving oil gas mobility and increasing recovery ratio.It is specifically grasped
Work is the high-pressure plunger pump using huge discharge, will have the fracturing fluid of certain viscosity, with more than reservoir absorbability discharge capacity to
Reservoir injects, and so that well cylinder pressure is gradually risen, and when this pressure is more than reservoir stress, just near shaft bottom, stratum generation is split
Seam, continues injection fracturing fluid, and crack extends forward and fill up fracturing fluid, and after stopping injection, the proppant in fracturing fluid is generally
Quartz sand or haydite are retained in crack, thus forming the sand packed fracture with high flow conductivity in stratum near shaft bottom, carry
High oil gas mobility and reach volume increase purpose.Wherein, fracturing fluid is to pass through mixing device by fracturing base fluid, cross-linking agent and proppant
Mixture forms.
At present, traditional mixing device is by being continuously added to base fluid, cross-linking agent and proppant into blending tank, then passes through
It is pumped by equipment by what discharge centrifugal pump supplied downstream, its control method is that flow as needed sets after stirring mixing
Surely discharge centrifugal pump working speed, and by an effusion meter, delivery flow is measured.This mode there is problems that,
In operation process, when the discharge capacity being pumped by equipment needs in downstream increases, mixing device cannot increase discharge stream in time
Amount, causes feed flow not enough, leads to liquid supply pressure to decline, sand setting problem in pipeline.
Content of the invention
The purpose of this utility model is: provides a kind of discharge capacity self adaptation mixing device and control method, so that mulling is filled
The delivery flow put is adjusted automatically in time according to the needs of pressure break pumping equipment it is ensured that the operating pressure in discharge line begins
Meet the requirements eventually.
To achieve these goals, the following technical scheme of this utility model offer:
A kind of discharge capacity self adaptation mixing device, comprising: sledge frame 1, the high-energy mixing discharger 2 being arranged on sledge frame 1, spiral sand conveying
Device 3 and plc controller 8, the water influent pipeline 12 of described high-energy mixing discharger connects feed flow centrifugal pump 5, and drain line 13 is provided with pressure
Force transducer 6, is arranged on the sand hopper 205 above high-energy mixing discharger 2 sand inlet and is connected with the sand export 301 of screw conveyer 3,
Plc controller 8 controls the pressure in the flow and density, the rotating speed of screw conveyer 3 and pipeline of high-energy mixing discharger 2 respectively.
The drain line 13 of high-energy mixing discharger 2 is provided with draining flow meter 7, the delivery flow of draining flow meter 7 monitoring and
System adds up liquid measure, on display plc controller 8 working interface.
Screw conveyer 3 is provided with speed probe 303, and speed probe will be anti-for the working speed signal of screw conveyer
Feed plc controller 8, and be shown on the working interface of plc controller 8.
The drain line 13 of high-energy mixing discharger 2 is provided with on-radiation densimeter 10, for measuring current drain line 13
The real-time density of middle mixed liquor, and be shown on the working interface of plc controller 8.
High-energy mixing discharger 2 is closed blending tank 201, has turbine type stirring vane, stirring vane passes through in blending tank 201
Stirring motor 204 drives, and stirring motor 204 is automatically controlled variable displacement motor, is driven by external hydraulic power source, and plc controller 8 controls stirring
The working speed of motor 204.
It is provided with for flow meters 4 in the liquid feeding pipeline 12 of mixing device, for the confession flow quantity q1 to feed flow centrifugal pump 5
Measured.
Also include liquid appending apparatus 10 and the dry powder adding device 9 being connected with drain line 13.
Before carrying out fracturing work, the entrance of feed flow centrifugal pump 5 is connected with the liquid storage equipment of upstream, high-energy mixing discharger 2
Discharging tube be connected with the pressure break pumping equipment in downstream, working pressure of pipeline p and mixed liquid concentration are set in plc controller 8, open
Dynamic feed flow centrifugal pump 5, screw conveyer 3 and high-energy mixing discharger 2 are started working, and mixing device is according to downstream pressure break pumping equipment certainly
Dynamic beginning feed flow, during work, pressure transducer 6 feeds back to plc controller by surveying discharge line pressure p 1, and plc controller is automatic
Judge, as p1 ＜ p, the working speed that the automatic output signal of plc controller 8 improves high-energy mixing discharger 2 increases discharge capacity, Zhi Daopai
Going out pipeline pressure p 1 is higher than to set pressure p, and as p1 ＞ 1.2p, the automatic output signal of plc controller 8 reduces high-energy mixing discharger 2
Working speed reduces discharge capacity, and until discharge line pressure p 1≤1.2p, as p≤p1≤1.2p, high-energy mixing discharger 2 keeps current
Working speed, and feedback control is continued executing with by this operating pressure, make the pressure in pipeline remain at sets requirement model
In enclosing.
The beneficial effects of the utility model are: the delivery flow of the discharge capacity self adaptation mixing device being provided can be according to row
The operating pressure going out in pipeline is automatically adjusted in time, remains the setting pressure in pipeline, it is to avoid because of downstream fracturing pump
Send equipment discharge capacity demand to change and lead to reduced pressure in pipeline, pipeline sand setting problem occurs.
Brief description
Fig. 1 is this utility model structural representation；
Fig. 2 is high-energy mixing discharger structural representation；
Fig. 3 is this utility model control flow chart.
Specific embodiment
1-3 below in conjunction with the accompanying drawings, is described in detail to the technical scheme in this utility model embodiment.
A kind of discharge capacity self adaptation mixing device and control method that this utility model embodiment is provided, comprising: sledge frame 1,
It is arranged on high-energy mixing discharger 2 on sledge frame, screw conveyer 3 and plc controller 8, the water influent pipeline 12 of described high-energy mixing discharger
It is connected with feed flow centrifugal pump 5, drain line 13 is provided with pressure transducer 6, be arranged on the sand above high-energy mixing discharger 2 sand inlet
Bucket 205 is connected with the sand export 301 of screw conveyer 3.
The drain line of high-energy mixing discharger 2 is provided with draining flow meter 7, and during work, this draining flow meter 7 is by high energy mixing
The delivery flow signal of device 2 feeds back to plc controller 8, plc controller 8 according to this flow signal calculate current delivery flow and
System adds up liquid measure, and is shown on system working interface.
Screw conveyer 3 is provided with speed probe 303, and during work, this speed probe is by the work of screw conveyer
Speed feedback signal calculates according to the sediment transport factor of setting in this tach signal and system to plc controller 8, plc controller
Current sediment transport amount, and be shown on the working interface of plc controller.
The drain line 13 of high-energy mixing discharger 2 is also equipped with a set of on-radiation densimeter 10, and this is densitometric measurable
The real-time density of mixed liquor in current drain line 13, and be shown on the working interface of plc controller.
High-energy mixing discharger 2 is closed blending tank, has turbine type stirring vane in blending tank 201, during stirring vane rotation,
Not only the mixed liquor in tank can be stirred additionally it is possible to discharge mixed liquor, and set up certain work in drain line
Pressure.Stirring vane is driven by stirring motor 204, and this stirring motor is automatically controlled variable displacement motor, is driven by external hydraulic power source,
Plc controller 8 output signal can control the working speed of this stirring motor.When stirring vane working speed raises, high energy
The delivery flow of mixing discharger device increases；When stirring vane working speed reduces, the delivery flow of high-energy mixing discharger reduces.
During work, high-energy mixing discharger discharge line 13 minimum operating pressures that p is set in plc controller 8, during work, pressure passes
Sensor 6 feeds back to plc controller, plc controller automatic decision by surveying discharge line pressure p 1, and as p1 ＜ p, plc controls
The working speed that the automatic output signal of device 8 improves high-energy mixing discharger 2 increases discharge capacity, until discharge line pressure p 1 is higher than to set pressure
Power p, as p1 ＞ 1.2p, the automatic output signal of plc controller 8 reduces high-energy mixing discharger 2 working speed and reduces discharge capacity, Zhi Daopai
Go out pipeline pressure p 1≤1.2p, as p≤p1≤1.2p, high-energy mixing discharger 2 keeps work at present rotating speed, and passes through this work pressure
Power continues executing with feedback control, so that the pressure in pipeline is remained in the range of sets requirement.
A set of confession flow meters 4 are installed, for the confession liquor stream to feed flow centrifugal pump 5 in the liquid feeding pipeline 12 of mixing device
Amount q1 is measured.During mixing device work, plc controller 8 is believed according to delivery flow signal and screw conveyer 3 working speed
Number calculate liquid feeding pipeline flow q, and the confession flow quantity q1 and calculated flow rate q that effusion meter is surveyed is contrasted, adjust and supply
The working speed of liquid centrifugal pump 5, makes measured discharge q1 in liquid feeding pipeline and calculated flow rate q reach consistent, high-energy mixing discharger 2
Feed speed and drain age velocity reach balance, thus keeping blending tank 201 liquid level steady all the time.
When high-energy mixing discharger 2 working speed improves or reduces, plc controller 8 can be automatically increased or reduce feed flow centrifugation
Pump 5 rotating speed, makes high-energy mixing discharger 2 feed liquor and drain age velocity remain balance.
Plc controller 8 can arrange discharge mixed liquor sand concentration, and plc controller 8 is counted automatically according to current discharge line flow
Calculate the sand supplying speed of screw conveyer 3, and automatically adjust screw conveyer 3 working speed.When high-energy mixing discharger 2 working speed carries
When height or reduction, plc controller 8 can automatically improve or reduce screw conveyer 3 working speed, make the discharge mixed liquor sand concentration beginning
Reach sets requirement eventually.
Discharge line operating pressure p1 is fed back to plc controller 8 by pressure transducer 6 all the time, and plc controller 8 is according to this
Pressure execute feedback control, if discharge line operating pressure p1 is not in sets requirement scope p～1.2p, plc controller 8 and
When by adjust high-energy mixing discharger 2 working speed adjust delivery flow it is ensured that discharge line operating pressure p1 all the time set
In claimed range.
Mixing device also includes liquid appending apparatus 10 and dry powder adding device 9, can be used for during pressing crack construction operation to mixed
Close the additive adding correlation in liquid.
Claims (7)
1. a kind of discharge capacity self adaptation mixing device, comprising: sledge frame (1), the high-energy mixing discharger (2) being arranged on sledge frame (1), spiral
Sand deliverer (3) and plc controller (8) it is characterised in that: the water influent pipeline (12) of described high-energy mixing discharger connects feed flow centrifugal pump
(5), drain line (13) is provided with pressure transducer (6), is arranged on the sand hopper (205) above high-energy mixing discharger (2) sand inlet
It is connected with the sand export (301) of screw conveyer (3), plc controller (8) controls the flow of high-energy mixing discharger (2) and close respectively
Pressure in degree, the rotating speed of screw conveyer (3) and pipeline.
2. a kind of discharge capacity self adaptation mixing device according to claim 1 it is characterised in that: the row of high-energy mixing discharger (2)
Liquid pipeline (13) is provided with draining flow meter (7), and the delivery flow that draining flow meter (7) is monitored and system add up liquid measure, display
On plc controller (8) working interface.
3. a kind of discharge capacity self adaptation mixing device according to claim 1 it is characterised in that: screw conveyer (3) install
There is speed probe (303), the working speed signal of screw conveyer is fed back to plc controller (8) by speed probe, and shows
Show on the working interface of plc controller (8).
4. a kind of discharge capacity self adaptation mixing device according to claim 1 it is characterised in that: the row of high-energy mixing discharger (2)
Liquid pipeline (13) is provided with on-radiation densimeter, for measuring the real-time density of mixed liquor in current drain line (13), and
It is shown on the working interface of plc controller (8).
5. a kind of discharge capacity self adaptation mixing device according to claim 1 it is characterised in that: high-energy mixing discharger (2) be close
Enclosed blending tank (201), blending tank has turbine type stirring vane in (201), and stirring vane passes through stirring motor (204) and drives,
Stirring motor (204) is automatically controlled variable displacement motor, is driven by external hydraulic power source, and plc controller (8) controls stirring motor (204)
Working speed.
6. a kind of discharge capacity self adaptation mixing device according to claim 1 it is characterised in that: the liquid feeding pipeline of mixing device
(12) it is provided with for flow meters (4), for measuring to the confession flow quantity q1 of feed flow centrifugal pump (5).
7. a kind of discharge capacity self adaptation mixing device according to claim 1 it is characterised in that: also include and drain line
(13) liquid appending apparatus (10) connecting and dry powder adding device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620888565.2U CN205895217U (en) | 2016-08-17 | 2016-08-17 | Discharge capacity self -adaptation sand mulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620888565.2U CN205895217U (en) | 2016-08-17 | 2016-08-17 | Discharge capacity self -adaptation sand mulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895217U true CN205895217U (en) | 2017-01-18 |
Family
ID=57779517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620888565.2U Active CN205895217U (en) | 2016-08-17 | 2016-08-17 | Discharge capacity self -adaptation sand mulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205895217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089175A (en) * | 2016-08-17 | 2016-11-09 | 中石化石油工程机械有限公司第四机械厂 | A kind of discharge capacity self adaptation mixing device and control method |
-
2016
- 2016-08-17 CN CN201620888565.2U patent/CN205895217U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089175A (en) * | 2016-08-17 | 2016-11-09 | 中石化石油工程机械有限公司第四机械厂 | A kind of discharge capacity self adaptation mixing device and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106089175A (en) | A kind of discharge capacity self adaptation mixing device and control method | |
| CN109931043A (en) | A kind of online filling apparatus and method of slippery water powder drag reducer | |
| CN204447897U (en) | The adjustable fracturing fluid continuous mixing device of a kind of discharge capacity | |
| CN102996106B (en) | Online continuous production and injection integrating method and device for jelly dispersoid | |
| CN108386173A (en) | A kind of underground drug adding device and method for foam drainage gas recovery technique | |
| CN202805411U (en) | Automatic mud-jack all-in-one machine of prestressed aperture | |
| CN110685660B (en) | Device and method for realizing accurate control of concentration of sand-carrying fluid in proppant conveying experiment | |
| CN105064974B (en) | Static mixing system and fracturing blender truck | |
| CN101581205A (en) | Self-controlled mine surface grout injection system | |
| RU2646943C1 (en) | Viscosity meter and methods of its use | |
| CN210738540U (en) | Device for realizing accurate control of concentration of sand carrying liquid in proppant conveying experiment | |
| CN103962046A (en) | Automatic blending and controlling system of oil well binary composite modifying and flooding agent | |
| CN205895217U (en) | Discharge capacity self -adaptation sand mulling device | |
| CN107694458A (en) | Portable fracturing blender truck fracturing fluid continuous mixing device and compounding process | |
| CN106113268B (en) | A kind of pressure break ship sediment transport hybrid system and sediment transport method | |
| CN203842550U (en) | Automatic mixing control system of oil well binary compound displacement agent | |
| CN209724309U (en) | A kind of online filling apparatus of slippery water powder drag reducer | |
| CN207485391U (en) | Gas drilling pit shaft drain Monitoring and control system | |
| CN108189234B (en) | Grouting filling rapid pulping device and method | |
| CN201443355U (en) | Automatic-control mine ground grout injection system | |
| CN210229706U (en) | Accurate fracturing fluid blending device of measurement | |
| CN205929039U (en) | Sand hybrid system is failed to fracturing ship | |
| CN207486451U (en) | Skid antifoaming agent filling apparatus | |
| CN111013416A (en) | Fracturing fluid blending device | |
| CN202937239U (en) | Integrated device for jell dispersoid continuous online production and injection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171110 Address after: 434020 No. 1 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT CORPORATION Patentee after: Four Sinopec Petroleum Machinery Co. Ltd. Address before: 434020 Jingzhou city of Hubei province Jingzhou district four Road No. 1 Patentee before: SJ Petroleum Machinery Co., SINOPEC |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220401 Address after: 434020 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Patentee after: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: SJS Ltd. Address before: 434020 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Patentee before: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Patentee before: Sinopec Petroleum Machinery Co., Ltd |