CN217313248U - Mix sand system with integrated liquid function that supplies - Google Patents
Mix sand system with integrated liquid function that supplies Download PDFInfo
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- CN217313248U CN217313248U CN202220139096.XU CN202220139096U CN217313248U CN 217313248 U CN217313248 U CN 217313248U CN 202220139096 U CN202220139096 U CN 202220139096U CN 217313248 U CN217313248 U CN 217313248U
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Abstract
The utility model provides a mix sand system with integrated confession liquid function, including the sledge frame, set firmly proppant conveyor, mixed agitating unit, solid additive conveyor, liquid additive conveyor, suction pump device and discharge pump device on the sledge frame, the blending tank intercommunication among proppant conveyor, solid additive conveyor, liquid additive conveyor and suction pump device and the mixed agitating unit. All the running parts use motors as power sources, so that the performance of the whole machine is improved under the condition of limited volume and power, and the operation requirements of deep wells and ultra-deep wells are met; the motor is directly connected, so that the transmission is simple and the maintenance difficulty is small; zero emission, low noise and environmental protection. The whole machine integrates the liquid supply pump device, can not only participate in sand mixing operation on line and supplement insufficient discharge capacity of the discharge pump, but also can operate independently to pump bridge plugs, supply water, supply acid and the like, reduces equipment configuration and reduces operation cost.
Description
Technical Field
The utility model relates to a technical field of oil and gas fracturing operation, concretely relates to mix sand system with integrated confession liquid function.
Background
The sand mixing equipment is an important component of the fracturing equipment and is used for mixing the proppant, the liquid additive and the solid additive with the fracturing fluid according to different proportions and then conveying the mixed liquid to the fracturing equipment.
Traditional sand mixing equipment uses diesel engine drive hydraulic system to provide power for each part, including parts such as hydraulic pump, hydraulic motor, valve member, pipeline, has the structure complicacy, and the dimension is protected the degree of difficulty greatly, and inefficiency scheduling shortcoming, and the diesel engine also faces environmental protection problems such as emission requirement height, noise are big simultaneously.
In the face of the fracturing working condition of a deep well and an ultra-deep well, due to the limitations of the power and the volume of an on-board diesel engine and the transmission efficiency of a hydraulic system, the maximum discharge capacity of one diesel-drive sand mixing device cannot meet the operation requirement, and two diesel-drive sand mixing devices are generally used for working simultaneously by an engineering side; when multiple wells are fractured simultaneously, a small-displacement liquid supply device is required to be prepared additionally, and the method comprises the following steps: liquid supply, independent water supply, acid supply and the like are carried out when the bridge plug is pumped, and the operation equipment investment is high due to the two reasons.
Therefore, it is urgently needed to develop a sand mixing device which has a simple structure, a large discharge capacity, multiple functions and environmental protection.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a sand mulling system with integrated liquid supply function, which solves the problems of the prior art.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the fracturing fluid fracturing device comprises a skid frame, wherein a propping agent conveying device, a mixing and stirring device, a solid additive conveying device, a liquid additive conveying device, a suction pump device and a discharge pump device are fixedly arranged on the skid frame, the propping agent conveying device, the solid additive conveying device, the liquid additive conveying device and the suction pump device are communicated with a mixing tank in the mixing and stirring device and respectively convey propping agent, solid additive, liquid additive and water into the mixing tank, the discharge pump device is connected with an outlet of the mixing tank, and fracturing fluid in the mixing tank is conveyed into fracturing equipment through the discharge pump device.
In the preferred scheme, a first hopper in the proppant conveying device is fixedly arranged on one side of a skid frame, a plurality of conveying augers are arranged at an outlet at the bottom of the first hopper, a first variable frequency motor is arranged at the end part of each conveying auger, and a sand outlet at the end part of each conveying auger is communicated with a mixing tank;
the first variable frequency motor drives the conveying auger to rotate, so that the proppant in the first hopper is conveyed into the mixing tank.
In the preferred scheme, a second hopper in the solid additive conveying device is fixedly arranged on the mixing tank, a spiral conveyor is arranged at an outlet at the bottom of the second hopper, a third variable frequency motor is arranged at one end of the spiral conveyor, and an outlet at the other end of the spiral conveyor is communicated with the mixing tank;
and the third variable frequency motor drives the screw conveyer to rotate, so that the fixed additive in the second hopper is conveyed into the mixing tank.
In the preferred scheme, a liquid adding pump in the liquid additive conveying device is fixed on a skid frame, an inlet of the liquid adding pump is communicated with a liquid storage tank, an outlet of the liquid adding pump is communicated with a mixing tank through a pipeline, and a fourth variable frequency motor is arranged at the end part of the liquid adding pump;
and the fourth variable frequency motor drives the liquid additive pump to operate, so that the liquid additive in the liquid storage tank is conveyed into the mixing tank.
In the preferred scheme, a suction centrifugal pump in a suction pump device is fixed on a skid frame, a suction manifold is arranged at an inlet of the suction centrifugal pump and communicated with an external water tank, an outlet of the suction centrifugal pump is communicated with a mixing tank through a pipeline, a flowmeter is arranged on the suction manifold and used for monitoring the flow of water, and a fifth variable frequency motor is arranged at the end part of the suction centrifugal pump;
and the fifth variable frequency motor drives the suction centrifugal pump to operate, so that the water in the external water tank is conveyed into the mixing tank.
In the preferred scheme, a discharge centrifugal pump in a discharge pump device is fixed in the middle of a skid frame, an inlet of the discharge centrifugal pump is communicated with an outlet of a mixing tank through a pipeline, a discharge manifold is arranged at an outlet of the discharge centrifugal pump, a flowmeter is arranged on the discharge manifold, the discharge manifold is communicated with fracturing equipment, and a sixth variable frequency motor is arranged at the end part of the discharge centrifugal pump;
and the sixth variable frequency motor drives the discharge centrifugal pump to operate, so that the fracturing fluid in the mixing tank is conveyed into the fracturing equipment.
In the preferred scheme, a mixing tank in the mixing and stirring device is fixed on a sledge frame, a rotating stirring shaft is arranged in the mixing tank, a first variable frequency motor is fixedly arranged at the end part of the stirring shaft, a sand baffle is fixedly arranged on one side of the mixing tank, the sand baffle is arranged on one side of the proppant conveying device, and a liquid level meter is arranged in the mixing tank.
In the preferred scheme, a liquid supply pump device is further arranged, a liquid supply centrifugal pump in the liquid supply pump device is fixed on the skid frame, a liquid supply manifold is arranged at the inlet of the liquid supply centrifugal pump and is communicated with an external water tank, the outlet of the liquid supply centrifugal pump is communicated with a discharge manifold through a pipeline, a flowmeter is arranged on the liquid supply manifold, and a seventh variable frequency motor is arranged at the end part of the liquid supply centrifugal pump;
and the seventh variable frequency motor drives the liquid supply centrifugal pump to operate, so that water in the external water tank is introduced into the fracturing equipment through the discharge manifold.
In the preferred scheme, valves are arranged on an outlet pipeline of the liquid supply centrifugal pump and a liquid supply manifold, and the liquid supply centrifugal pump can be used independently as a spare pump by switching the valves.
In the preferred scheme, the system is also provided with a control system and a power distribution system, wherein the power distribution system is used for supplying power to each electrical element, and the control system is used for controlling the rotating speed of the motor, opening and closing of the valve and automation control operation.
The utility model provides a mix sand system with integrated confession liquid function, beneficial effect:
1. all the running parts use motors as power sources, so that the performance of the whole machine is improved under the condition of limited volume and power, and the operation requirements of deep wells and ultra-deep wells are met; the motor is directly connected, so that the transmission is simple and the maintenance difficulty is small; zero emission and low noise, and meets the requirement of environmental protection;
2. the whole machine integrates the liquid supply pump device, can not only participate in sand mixing operation on line and supplement insufficient discharge capacity of the discharge pump, but also can operate independently to pump bridge plugs, supply water, supply acid and the like, reduces equipment configuration and reduces operation cost.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a flow chart of the overall structure of the present invention;
FIG. 2 is a flow chart of the control system of the present invention;
FIG. 3 is a left side view of the overall structure of the present invention;
fig. 4 is a front view of the overall structure of the present invention;
FIG. 5 is a right side view of the overall structure of the present invention;
FIG. 6 is a rear view of the overall structure of the present invention;
FIG. 7 is a top view of the overall structure of the present invention;
in the figure: a sled frame 1; a proppant delivery device 2; a first hopper 201; a conveying auger 202; a first inverter motor 203; a sand outlet 205; a mixing and stirring device 3; a mixing tank 301; a sand guard 302; a second inverter motor 303; a solid additive delivery device 4; a second hopper 401; a screw conveyor 402; a third inverter motor 403; a liquid additive delivery device 5; a liquid addition pump 501; a fourth inverter motor 502; a line 503; a suction pump device 6; a suction centrifugal pump 601; a fifth inverter motor 602; a suction manifold 603; a discharge pump device 7; a discharge centrifugal pump 701; a sixth inverter motor 702; an exhaust manifold 703; a liquid supply pump device 8; a liquid supply centrifugal pump 801; a seventh inverter motor 802; a feed manifold 803; a control system 9; a power distribution system 10.
Detailed Description
Example 1
As shown in fig. 1 to 7, a sand mixing system with an integrated liquid supply function includes a skid frame 1, a proppant conveying device 2, a mixing and stirring device 3, a solid additive conveying device 4, a liquid additive conveying device 5, a suction pump device 6, and a discharge pump device 7 are fixedly arranged on the skid frame 1, the proppant conveying device 2, the solid additive conveying device 4, the liquid additive conveying device 5, and the suction pump device 6 are communicated with a mixing tank 301 in the mixing and stirring device 3, and respectively convey proppant, solid additive, liquid additive, and water into the mixing tank 301, the discharge pump device 7 is connected with an outlet of the mixing tank 301, and fracturing fluid in the mixing tank 301 is conveyed into fracturing equipment through the discharge pump device 7. According to the structure, four hanging points are arranged above the sledge frame 1, an operation platform is arranged in the middle of the sledge frame, personnel can go up through a ladder, guardrails are arranged on the periphery of the sledge frame to prevent the personnel from falling, and a sunshade is arranged on the sledge frame 1 to shield the personnel from sunshine, wind and rain; the sledge 1 is provided with a tool box for storing common tools.
In a preferable scheme, a first hopper 201 in the proppant conveying device 2 is fixedly arranged on one side of a skid frame 1, a plurality of conveying augers 202 are arranged at an outlet at the bottom of the first hopper 201, a first variable frequency motor 203 is arranged at the end part of each conveying auger 202, and a sand outlet 205 at the end part of each conveying auger 202 is communicated with a mixing tank 301;
the first variable frequency motor 203 drives the conveying auger 202 to rotate, so that the proppant in the first hopper 201 is conveyed into the mixing tank 301. With the structure, the conveying auger 202 is obliquely arranged, so that the proppant can be conveyed to a high position, and the sand outlet 205 is positioned inside the mixing tank 301, so that the proppant can be prevented from leaking. The first variable frequency motor 203 is connected with a rotating shaft of the conveying auger 202 to provide power, and the conveying auger 202 can be adjusted to rotate.
In a preferable scheme, a second hopper 401 in the solid additive conveying device 4 is fixedly arranged on the mixing tank 301, a spiral conveyor 402 is arranged at an outlet at the bottom of the second hopper 401, a third variable frequency motor 403 is arranged at one end of the spiral conveyor 402, and an outlet at the other end of the spiral conveyor 402 is communicated with the mixing tank 301;
the third inverter motor 403 drives the screw conveyor 402 to rotate, thereby conveying the fixed additive in the second hopper 401 to the mixing tank 301. With the structure, the solid additives are stored in the second hopper 401, the outlet of the screw conveyor 402 is positioned in the mixing tank 301, the rotating speed of the screw conveyor 402 can be adjusted by the third variable frequency motor 403, and the additives can be prepared according to different construction requirements.
In a preferable scheme, a liquid adding pump 501 in the liquid additive conveying device 5 is fixed on the skid frame 1, an inlet of the liquid adding pump 501 is communicated with a liquid storage tank, an outlet of the liquid adding pump 501 is communicated with the mixing tank 301 through a pipeline 503, and a fourth variable frequency motor 502 is arranged at the end part of the liquid adding pump 501;
the fourth inverter motor 502 drives the liquid additive pump 501 to operate, so that the liquid additive in the liquid storage tank is conveyed to the mixing tank 301. With the structure, the fourth variable frequency motor 502 can adjust the rotating speed of the liquid adding pump 501, and additives can be prepared according to different construction requirements.
In a preferable scheme, a suction centrifugal pump 601 in a suction pump device 6 is fixed on a skid frame 1, a suction manifold 603 is arranged at an inlet of the suction centrifugal pump 601, the suction manifold 603 is communicated with an external water tank, an outlet of the suction centrifugal pump 601 is communicated with a mixing tank 301 through a pipeline, a flowmeter is arranged on the suction manifold 603 and used for monitoring the flow rate of water, and a fifth variable frequency motor 602 is arranged at the end part of the suction centrifugal pump 601;
the fifth inverter motor 602 drives the suction centrifugal pump 601 to operate, thereby transferring the water in the outer water tank to the mixing tank 301. With the structure, the fifth variable frequency motor 602 can adjust the rotating speed of the centrifugal pump 601, and the discharge capacity of water can be measured through a flowmeter.
In a preferable scheme, a discharge centrifugal pump 701 in a discharge pump device 7 is fixed in the middle of a skid frame 1, an inlet of the discharge centrifugal pump 701 is communicated with an outlet of a mixing tank 301 through a pipeline, an outlet of the discharge centrifugal pump 701 is provided with a discharge manifold 703, the discharge manifold 703 is provided with a flowmeter, the discharge manifold 703 is communicated with fracturing equipment, and the end part of the discharge centrifugal pump 701 is provided with a sixth variable frequency motor 702;
the sixth variable frequency motor 702 drives the discharge centrifugal pump 701 to operate, so that the fracturing fluid in the mixing tank 301 is conveyed into the fracturing equipment. With the structure, the sixth variable frequency motor 702 can adjust the rotating speed of the discharge centrifugal pump 701, and the discharge capacity of the fracturing fluid can be measured through the flowmeter.
In the preferred scheme, a mixing tank 301 in a mixing and stirring device 3 is fixed on a skid frame 1, a rotating stirring shaft is arranged in the mixing tank 301, the end part of the stirring shaft is fixedly provided with a first variable frequency motor 203, one side of the mixing tank 301 is fixedly provided with a sand baffle 302, the sand baffle 302 is arranged at one side of a proppant conveying device 2, and a liquid level meter is arranged in the mixing tank 301. From this structure, sand guard 302 can prevent that the proppant from scattering, and the (mixing) shaft is located blending tank 301 center to make water, proppant, additive ability intensive mixing, can adjust the stirring shaft speed of rotation through second inverter motor 303, the level gauge is used for measuring the liquid level in blending tank 301, can keep blending tank 301 liquid level through control system.
In the preferred scheme, a liquid supply pump device 8 is further arranged, a liquid supply centrifugal pump 801 in the liquid supply pump device 8 is fixed on the skid frame 1, a liquid supply manifold 803 is arranged at the inlet of the liquid supply centrifugal pump 801, the liquid supply manifold 803 is communicated with an external water tank, the outlet of the liquid supply centrifugal pump 801 is communicated with a discharge manifold 703 through a pipeline, a flowmeter is arranged on the liquid supply manifold 803, and a seventh variable frequency motor 802 is arranged at the end part of the liquid supply centrifugal pump 801;
the seventh inverter motor 802 drives the feed centrifugal pump 801 to operate, so that water in the external water tank is introduced into the fracturing equipment through the discharge manifold 703. With the structure, the seventh variable frequency motor 802 can adjust the rotating speed of the liquid supply centrifugal pump 801, and the delivery displacement can be measured through a flowmeter.
In a preferred scheme, valves are arranged on an outlet pipeline of the liquid supply centrifugal pump 801 and the liquid supply manifold 803, and the liquid supply centrifugal pump 801 can be used independently as a spare through valve switching. With the structure, the liquid supply centrifugal pump 801 can be used for online sand mixing operation to supplement and discharge insufficient discharge of the centrifugal pump 701, and can also be used for independent operation to pump bridge plugs, supply water, supply acid and the like, so that equipment configuration is reduced, and operation cost is reduced.
In the preferred scheme, a control system 9 and a power distribution system 10 are further arranged, the power distribution system 10 is used for supplying power to each electrical element, and the control system 9 is used for controlling the rotating speed of a motor, opening and closing of a valve and automatically controlling the control industry.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (9)
1. A mix sand system with integrated confession liquid function, characterized by: the fracturing fluid fracturing device comprises a skid frame (1), wherein a propping agent conveying device (2), a mixing and stirring device (3), a solid additive conveying device (4), a liquid additive conveying device (5), a suction pump device (6) and a discharge pump device (7) are fixedly arranged on the skid frame (1), the propping agent conveying device (2), the solid additive conveying device (4), the liquid additive conveying device (5) and the suction pump device (6) are communicated with a mixing tank (301) in the mixing and stirring device (3) and respectively convey propping agents, solid additives, liquid additives and water into the mixing tank (301), the discharge pump device (7) is connected with an outlet of the mixing tank (301), and fracturing fluid in the mixing tank (301) is conveyed into fracturing equipment through the discharge pump device (7);
a first hopper (201) in the proppant conveying device (2) is fixedly arranged on one side of the skid frame (1), a plurality of conveying augers (202) are arranged at the bottom outlet of the first hopper (201), a first variable frequency motor (203) is arranged at the end part of each conveying auger (202), and a sand outlet (205) at the end part of each conveying auger (202) is communicated with the mixing tank (301);
the first variable frequency motor (203) drives the conveying auger (202) to rotate, so that the proppant in the first hopper (201) is conveyed into the mixing tank (301).
2. The sand mixing system with integrated liquid supply function of claim 1, wherein: a second hopper (401) in the solid additive conveying device (4) is fixedly arranged on the mixing tank (301), a spiral conveyor (402) is arranged at an outlet at the bottom of the second hopper (401), a third variable frequency motor (403) is arranged at one end of the spiral conveyor (402), and an outlet at the other end of the spiral conveyor (402) is communicated with the mixing tank (301);
the third variable frequency motor (403) drives the spiral conveyer (402) to rotate, so that the fixed additive in the second hopper (401) is conveyed into the mixing tank (301).
3. The sand mixing system with integrated liquid supply function of claim 1, wherein: a liquid adding pump (501) in the liquid additive conveying device (5) is fixed on the skid frame (1), an inlet of the liquid adding pump (501) is communicated with the liquid storage tank, an outlet of the liquid adding pump (501) is communicated with the mixing tank (301) through a pipeline (503), and a fourth variable frequency motor (502) is arranged at the end part of the liquid adding pump (501);
the fourth variable frequency motor (502) drives the liquid additive pump (501) to operate, so that the liquid additive in the liquid storage tank is conveyed into the mixing tank (301).
4. The sand mixing system with integrated liquid supply function of claim 1, wherein: a suction centrifugal pump (601) in a suction pump device (6) is fixed on a skid frame (1), a suction manifold (603) is arranged at an inlet of the suction centrifugal pump (601), the suction manifold (603) is communicated with an external water tank, an outlet of the suction centrifugal pump (601) is communicated with a mixing tank (301) through a pipeline, a flowmeter is arranged on the suction manifold (603) and used for monitoring the flow of water, and a fifth variable frequency motor (602) is arranged at the end part of the suction centrifugal pump (601);
the fifth variable frequency motor (602) drives the suction centrifugal pump (601) to operate, so that the water in the external water tank is conveyed into the mixing tank (301).
5. The sand mixing system with integrated liquid supply function of claim 1, wherein: a discharge centrifugal pump (701) in the discharge pump device (7) is fixed in the middle of the skid frame (1), an inlet of the discharge centrifugal pump (701) is communicated with an outlet of the mixing tank (301) through a pipeline, a discharge manifold (703) is arranged at an outlet of the discharge centrifugal pump (701), a flowmeter is arranged on the discharge manifold (703), the discharge manifold (703) is communicated with fracturing equipment, and a sixth variable frequency motor (702) is arranged at the end part of the discharge centrifugal pump (701);
the sixth variable frequency motor (702) drives the discharge centrifugal pump (701) to operate, so that the fracturing fluid in the mixing tank (301) is conveyed into the fracturing equipment.
6. The sand mixing system with integrated liquid supply function of claim 1, wherein: mixing tank (301) in mixing stirring device (3) is fixed on skid frame (1), is equipped with the pivoted (mixing) shaft in mixing tank (301), and the (mixing) shaft tip has set firmly first inverter motor (203), and mixing tank (301) one side has set firmly sand baffle (302), and one side in proppant conveyor (2) is established in sand baffle (302), is equipped with the level gauge in mixing tank (301).
7. The system of claim 1, wherein the system comprises: the liquid supply centrifugal pump is characterized by further comprising a liquid supply pump device (8), a liquid supply centrifugal pump (801) in the liquid supply pump device (8) is fixed on the skid frame (1), a liquid supply manifold (803) is arranged at the inlet of the liquid supply centrifugal pump (801), the liquid supply manifold (803) is communicated with an external water tank, the outlet of the liquid supply centrifugal pump (801) is communicated with a discharge manifold (703) through a pipeline, a flow meter is arranged on the liquid supply manifold (803), and a seventh variable frequency motor (802) is arranged at the end part of the liquid supply centrifugal pump (801);
the seventh variable frequency motor (802) drives the liquid supply centrifugal pump (801) to operate, so that water in the external water tank is introduced into the fracturing equipment through the discharge manifold (703).
8. The sand mixing system with integrated liquid supply function of claim 7, wherein: valves are arranged on an outlet pipeline of the liquid supply centrifugal pump (801) and the liquid supply manifold (803), and the liquid supply centrifugal pump (801) can be used independently as a spare through valve switching.
9. The system of claim 1, wherein the system comprises: the automatic control system is further provided with a control system (9) and a power distribution system (10), wherein the power distribution system (10) is used for supplying power to each electrical element, and the control system (9) is used for controlling the rotating speed of a motor, opening and closing of a valve and automation control operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220139096.XU CN217313248U (en) | 2022-01-19 | 2022-01-19 | Mix sand system with integrated liquid function that supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220139096.XU CN217313248U (en) | 2022-01-19 | 2022-01-19 | Mix sand system with integrated liquid function that supplies |
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| Publication Number | Publication Date |
|---|---|
| CN217313248U true CN217313248U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220139096.XU Active CN217313248U (en) | 2022-01-19 | 2022-01-19 | Mix sand system with integrated liquid function that supplies |
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| Country | Link |
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| CN (1) | CN217313248U (en) |
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- 2022-01-19 CN CN202220139096.XU patent/CN217313248U/en active Active
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