CN210466170U - Automatic control system of electric sand mixing sledge - Google Patents
Automatic control system of electric sand mixing sledge Download PDFInfo
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- CN210466170U CN210466170U CN201921521505.7U CN201921521505U CN210466170U CN 210466170 U CN210466170 U CN 210466170U CN 201921521505 U CN201921521505 U CN 201921521505U CN 210466170 U CN210466170 U CN 210466170U
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Abstract
The utility model relates to an electronic mulling sledge automatic control system, including main control system, a plurality of driving motor, liquid level detector, electrical control valve and the pressure sensor that links to each other with this main control system, main control system and a plurality of driving motor are connected with the sled frame, a plurality of driving motor add the pump with suction pump, a plurality of screw conveyer, liquid respectively and discharge pump is connected, the liquid level detector sets up inside the agitator tank, electrical control valve sets up on the outlet pipe of suction pump, pressure sensor sets up on the outlet pipe of discharge pump. The control host can control the flow of the mixed liquid in real time by the electric regulating valve, then controls the power of the driving motors of the suction pump, the plurality of screw conveyors and the liquid adding pump according to the feedback signal of the liquid level sensor, adjusts the conveying proportion of various materials, and controls the pressure of the fracturing liquid discharged by the discharge pump according to the feedback data of the pressure sensor. The utility model discloses can accurate control combined material proportion and fracturing fluid discharge pressure.
Description
Technical Field
The utility model relates to a control system, especially an electronic mulling sledge automatic control system.
Background
The sand mixing sledge (vehicle) is the core equipment for fracturing construction, and has the functions of sucking externally provided fracturing fluid into a mixing tank in a self-absorption mode, mixing the fracturing fluid with fracturing sand and various additives in different types according to the construction requirement in proportion, and outputting the mixture to the fracturing vehicle connected with the sand mixing sledge at a certain pressure. Because the fracturing fluid is formed by mixing and stirring a plurality of materials, the sand mixing skid needs a plurality of conveying devices for conveying the proppant, the mixed fluid, the liquid additive and the dry powder additive, and the proppant is the fracturing sand. Because the mixing proportion of various materials is different, so each conveyor is driven by different driving motor, and a plurality of motor drives and appears the material easily and carry the proportion error big, and the fracturing fluid discharge pressure is not controlled after the mixture, leads to the good unevenness of fracturing fluid quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an electronic mulling sledge automatic control system that makes mixed proportion error little, and discharge pressure is stable.
The purpose of the utility model is realized through the following technical scheme: the utility model provides an electronic mulling sledge automatic control system, it includes the main control system, a plurality of driving motor, liquid level detector, electrical control valve and the pressure sensor that links to each other with this main control system, main control system and a plurality of driving motor are connected with sled frame, a plurality of driving motor add the pump with suction pump, a plurality of screw conveyer, liquid respectively and discharge pump is connected, the liquid level detector sets up inside the agitator tank, electrical control valve sets up on the outlet pipe of suction pump, pressure sensor sets up on the outlet pipe of discharge pump.
And the water outlet pipes of the suction pump and the liquid adding pump are connected with the side wall of the stirring tank.
And a water inlet pipe of the discharge pump is connected with the bottom of the stirring tank.
The plurality of screw conveyors comprise a proppant screw conveyor and a dry powder screw conveyor, and the proppant screw conveyor and the dry powder screw conveyor are connected with the prying frame.
And the discharge ports of the proppant screw conveyor and the dry powder screw conveyor are positioned above the stirring tank.
The driving motor is a variable-frequency integrated motor.
The utility model has the advantages of it is following:
the control host machine respectively controls the power of the driving motors of the various material conveying mechanisms according to the feedback signals of the liquid level detector to control the conveying proportion of various materials and ensure the quality of the mixed fracturing fluid; the control host computer can adjust the driving motor of discharge pump according to the signal of pressure sensor feedback to ensure fracturing fluid pressure's stability, driving motor adopts frequency conversion integrative motor, has saved the frequency conversion room, and the volume and the weight of the equipment that have significantly reduced have solved domestic oil gas development site area little, the inconvenient problem of transportation effectively.
Drawings
FIG. 1 is a front view of a mullion skid;
FIG. 2 is a top view of the mullion;
FIG. 3 is a schematic flow chart of the present invention;
in the figure: 1-control host, 2-drive motor, 3-suction pump, 4-screw conveyer, 5-liquid adding pump, 6-discharge pump and 7-stirring tank.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1, an electronic mulling skid automatic control system, it includes main control system 1, a plurality of driving motor 2, liquid level detector, electrical control valve and the pressure sensor that link to each other with this main control system 1, main control system 1 and a plurality of driving motor 2 are connected with the sled frame, a plurality of driving motor 2 are connected with suction pump 3, a plurality of screw conveyer 4, liquid respectively and are added pump 5 and discharge pump 6, liquid level detector sets up inside agitator tank 7, electrical control valve sets up on suction pump 3's outlet pipe, pressure sensor sets up on discharge pump 6's outlet pipe.
And the water outlet pipes of the suction pump 3 and the liquid adding pump 5 are connected with the side wall of the stirring tank 7. And valves for opening and closing are arranged on the water outlet pipes of the suction pump 3 and the liquid adding pump 5.
The water inlet pipe of the discharge pump 6 is connected with the bottom of the stirring tank 7. A valve for opening and closing is arranged on the water inlet pipe of the discharge pump 6.
The plurality of screw conveyors 4 comprise a proppant screw conveyor 4 and a dry powder screw conveyor 4, and the proppant screw conveyor 4 and the dry powder screw conveyor 4 are connected with a prying frame.
And the discharge ports of the proppant screw conveyor 4 and the dry powder screw conveyor 4 are positioned above the stirring tank 7.
The driving motor 2 is a variable-frequency integrated motor.
The working process of the utility model is as follows:
firstly, materials are conveyed, the suction pump 3 conveys mixed liquid into the stirring tank 7, the liquid addition pump 5 conveys liquid additives into the stirring tank 7, the propping agent screw conveyor 4 conveys propping agents into the stirring tank 7, and the dry powder screw conveyor 4 conveys dry powder additives into the stirring tank 7. When materials are conveyed, conveying data are input into the control host 1, the control host 1 can control the electric regulating valve to control the flow of the mixed liquid in real time, and the control host 1 adjusts the power of the driving motor 2 of each conveying device according to a detection data signal of the liquid level detector, so that the conveying proportion of various materials is controlled. And after the conveying is finished, the valves on the water outlet pipes of the suction pump 3 and the liquid adding pump 5 are closed.
The mixed material in the stirring tank 7 is then stirred. The control host 1 automatically calculates the stirring time according to the amount of the added material.
After the stirring is finished, a valve on a water inlet pipe of the discharge pump 6 is opened, the discharge pump 6 is started to discharge the fracturing fluid, and the control host 1 adjusts the power of the drive motor 2 of the discharge pump 6 in real time according to a signal fed back by a pressure sensor on a water outlet pipe of the discharge pump 6, so that the discharge pressure of the fracturing fluid is controlled.
Claims (6)
1. The utility model provides an electronic mulling sledge automatic control system which characterized in that: it includes main control system (1), a plurality of driving motor (2), liquid level detector, electrical control valve and the pressure sensor that links to each other with this main control system (1), main control system (1) and a plurality of driving motor (2) are connected with the sled frame, a plurality of driving motor (2) add pump (5) and discharge pump (6) with suction pump (3), a plurality of screw conveyer (4), liquid respectively and are connected, the liquid level detector sets up inside agitator tank (7), electrical control valve sets up on the outlet pipe of suction pump (3), pressure sensor sets up on the outlet pipe of discharge pump (6).
2. The automatic control system of the electric sand mixing skid according to claim 1, wherein: and the water outlet pipes of the suction pump (3) and the liquid adding pump (5) are connected with the side wall of the stirring tank (7).
3. The automatic control system of the electric sand mixing skid according to claim 1, wherein: the water inlet pipe of the discharge pump (6) is connected with the bottom of the stirring tank (7).
4. The automatic control system of the electric sand mixing skid according to claim 1, wherein: the plurality of screw conveyors (4) comprise proppant screw conveyors (4) and dry powder screw conveyors (4), and the proppant screw conveyors (4) and the dry powder screw conveyors (4) are connected with the prying frame.
5. The automatic control system of the electric sand mixing skid according to claim 4, wherein: and discharge ports of the proppant screw conveyor (4) and the dry powder screw conveyor (4) are positioned above the stirring tank (7).
6. The automatic control system of the electric sand mixing skid according to claim 4, wherein: the driving motor (2) is a variable-frequency integrated motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921521505.7U CN210466170U (en) | 2019-09-12 | 2019-09-12 | Automatic control system of electric sand mixing sledge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921521505.7U CN210466170U (en) | 2019-09-12 | 2019-09-12 | Automatic control system of electric sand mixing sledge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210466170U true CN210466170U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921521505.7U Active CN210466170U (en) | 2019-09-12 | 2019-09-12 | Automatic control system of electric sand mixing sledge |
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| CN (1) | CN210466170U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404478A (en) * | 2021-08-19 | 2021-09-17 | 四川宏华电气有限责任公司 | Shale gas full-electric automatic fracturing operation equipment and method |
| CN113501184A (en) * | 2021-07-07 | 2021-10-15 | 中石化石油工程技术服务有限公司 | Large-discharge full-electric fracturing continuous sand supply device and method |
| CN114377605A (en) * | 2022-01-19 | 2022-04-22 | 中石化四机石油机械有限公司 | Full-electric sand mulling system with integrated liquid supply function |
-
2019
- 2019-09-12 CN CN201921521505.7U patent/CN210466170U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501184A (en) * | 2021-07-07 | 2021-10-15 | 中石化石油工程技术服务有限公司 | Large-discharge full-electric fracturing continuous sand supply device and method |
| CN113404478A (en) * | 2021-08-19 | 2021-09-17 | 四川宏华电气有限责任公司 | Shale gas full-electric automatic fracturing operation equipment and method |
| CN114377605A (en) * | 2022-01-19 | 2022-04-22 | 中石化四机石油机械有限公司 | Full-electric sand mulling system with integrated liquid supply function |
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