CN211384571U - Blending system - Google Patents
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- CN211384571U CN211384571U CN201922251067.3U CN201922251067U CN211384571U CN 211384571 U CN211384571 U CN 211384571U CN 201922251067 U CN201922251067 U CN 201922251067U CN 211384571 U CN211384571 U CN 211384571U
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Abstract
The utility model discloses a blending system, which comprises a mixing module and an output module, wherein the mixing module comprises a first liquid inlet collecting pipe, an injection pump, a powder tank and a mixer, the first liquid inlet collecting pipe is connected with the injection pump, the injection pump is connected with the mixer, and the powder tank provides powder for the mixer; the output module comprises a second liquid inlet manifold, a suction pump, a second flowmeter, a static mixer, a mixing tank and a liquid discharge manifold, wherein the second liquid inlet manifold, the suction pump, the second flowmeter, the static mixer, the mixing tank and the liquid discharge manifold are sequentially connected; the outlet of the mixer of the mixing module is connected with the inlet of the suction pump of the output module through a valve, and the mixing module and the output module can be used independently or combined into a whole. Has the advantages that: by arranging the second liquid inlet header and the static mixer, the mixing with large discharge capacity and high quality can be completed with lower energy consumption; the mixed system is flexible to disassemble and assemble.
Description
Technical Field
The utility model relates to a fracturing technical field, concretely relates to thoughtlessly join in marriage system.
Background
Fracturing is a main measure for increasing the yield of oil and gas fields, and a large amount of fracturing base fluid is needed in the fracturing construction operation at home and abroad at present, particularly in the fracturing construction site of shale gas. In the current fracturing construction process, the fracturing fluid mixing truck which can be used in a mixed mode on site is increasingly widely applied, but along with the increase of the fracturing scale, bubbles are easily caused in the mixing fluid due to various reasons such as chemicals and the like, so that the bubbles in mixing equipment and downstream equipment are increased, the using amount of a defoaming agent is increased, the mixing effect is poor, and meanwhile along with the increase of the fracturing scale, the requirements on the discharge capacity and the viscosity of the mixing truck are higher and higher. At present, based on a large-discharge mixing operation process, a mixing mode adopted in most cases is a mode of mixing a concentrated liquid mixed firstly with water or other base liquid, the method has high efficiency, but due to different modes, the method has more effect differences and is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art, providing a blending system, diluting the blended concentrated solution in the mixer by arranging a second liquid inlet collecting pipe, and entering a static mixer for secondary mixing through secondary pressurization of a suction pump, further improving the blending and mixing effect, reducing bubbles in the liquid, reducing the application of a defoaming agent and increasing the blending and mixing effect; the two modules of the mixing system are detachably connected and installed, and according to the requirements of field customers, the mixing module and the output module can be separately used independently or combined into a whole; during transportation, the two modules can be installed and transported in a complete set, and the two modules can be separately and independently transported, so that the transportation selectivity and convenience are greatly increased.
The purpose of the utility model is achieved through the following technical measures:
a mixing system comprises a mixing module and an output module, wherein the mixing module comprises a first liquid inlet collecting pipe, an injection pump, a powder tank and a mixer, the first liquid inlet collecting pipe is connected with an inlet of the injection pump, an outlet of the injection pump is connected with an inlet of the mixer, and the powder tank provides powder for the mixer; the output module comprises a second liquid inlet collecting pipe, a suction pump, a second flowmeter, a static mixer, a mixing tank and a liquid discharge pipe manifold, wherein the second liquid inlet collecting pipe is connected with an inlet of the suction pump; the outlet of the mixer of the mixing module is connected with the inlet of the suction pump of the output module through a valve, and the mixing module and the output module can be used independently or combined into a whole.
Further, the mixing module and the output module may be shipped separately or combined in a kit.
Further, the mixer is a compound jet mixer or a mixer with a shear pump as a main body.
Furthermore, more than two groups of mixers are arranged between the jet pump and the suction pump in parallel.
Further, the compounding system also includes a liquid addition header for adding liquid chemicals.
Furthermore, a branch is arranged on the mixer and used for adding liquid or powder.
Further, the liquid discharge manifold comprises a discharge centrifugal pump, a third flow meter and a discharge header, wherein the discharge centrifugal pump is connected with the third flow meter, the third flow meter is connected with the discharge header, and the discharge header is connected with the inlet end of the discharge centrifugal pump and is used for directly discharging the mixed liquid out of the system.
Furthermore, the outlet end of the liquid discharge pipe is connected with the inlet end of the mixing tank through a pipeline, and the mixed liquid flows back to the mixing tank.
Furthermore, the outlet end of the liquid discharge pipe is connected with the inlet end of the mixing tank through a pipeline, and a static mixer is arranged on the pipeline.
Furthermore, the outlet end of the liquid discharge pipe is connected with the inlet end of the mixing tank through a pipeline, a static mixer is arranged on the pipeline, and a liquid level control valve is arranged at the outlet end of the static mixer.
Further, the outlet end of the liquid discharge manifold is connected with the inlet end of the second liquid inlet header, and the mixed liquid is used for flowing back to the suction pump.
Compared with the prior art, the beneficial effects of the utility model are that: according to the mixing system, the second liquid inlet collecting pipe is arranged and forms a series structure with the mixer, the mixed concentrated solution in the mixer is diluted and enters the static mixer for secondary mixing through secondary pressurization of the suction pump, so that the mixing efficiency is further improved, bubbles in the liquid are reduced, the application of a defoaming agent is reduced, and the mixing effect is improved; the pipelines between the two modules of the mixing system are connected through valves, namely detachably connected and installed, and according to the requirements of field customers, the mixing module and the output module can be used separately and independently or combined into a whole; during transportation, the two modules can be installed and transported in a complete set, and the two modules can be transported separately, so that the transportation selectivity and convenience are greatly increased. The blending system is provided with a plurality of reflux circulation lines, so that the blending quality of the fracturing fluid is improved.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the present compounding system.
Fig. 2 is a schematic structural diagram of the optimization scheme of the mixing system.
The system comprises a liquid inlet manifold, a liquid inlet pump, a liquid level control valve, a first flowmeter, a second flowmeter, a third flowmeter, a first liquid inlet manifold, a second liquid inlet manifold, a powder tank, a spiral conveyor, a mixer, a suction pump, a static mixer, a liquid inlet manifold, a mixing tank, a discharge centrifugal pump, a discharge manifold, a liquid inlet manifold, a liquid level control valve, a first flowmeter, a second flowmeter and a third flowmeter, wherein the liquid level control valve is arranged in the.
Detailed Description
As shown in fig. 1 and 2, a mixing system comprises a mixing module and an output module, wherein the mixing module comprises a first liquid inlet header 1, an injection pump 2, a powder tank 3 and a mixer 5, and the first liquid inlet header 1 is connected with an inlet of the injection pump 2 and is used for providing base liquid for the mixer 5 and providing kinetic energy for conveying the base liquid. The outlet of the jet pump 2 is connected with the inlet of the mixer 5, and further preferably, the outlet of the jet pump 2 is connected with the inlet of the mixer 5 through a first flow meter 14, and the mixer 5 can adjust the flow of the mixer 5 according to the flow displayed by the first flow meter 14. The powder tank 3 is used for providing powder for the mixer 5 and mixing the powder with the base liquid to form a mixed concentrated solution; the output module comprises a second liquid inlet header 8, a suction pump 6, a second flowmeter 15, a static mixer 7, a mixing tank 5 and a liquid discharge manifold, the second liquid inlet header 8 is connected with an inlet of the suction pump 6, and the suction pump 6 is used for carrying out secondary pressurization on mixed liquid and increasing the conveying kinetic energy of the mixed liquid. Before the blending liquid is pressurized for the second time and enters the static mixer 7, the base liquid is added into the blending liquid, the concentrated blending liquid is diluted, the concentration of the blending liquid is reduced, the blending liquid can be fully mixed in the subsequent static mixer 7, and the requirements of large-displacement fracturing operation on the displacement of the fracturing liquid and the viscosity of the blending liquid are met. The outlet of the suction pump 6 is connected with the inlet of a second flow meter 15, the outlet of the second flow meter 15 is connected with the inlet of a static mixer 7, and the static mixer 7 can carry out flow regulation according to the flow displayed by the second flow meter 15. The static mixer 7 fully utilizes the kinetic energy of the mixed liquid in the pipeline and completes efficient mixing under the condition of consuming a small amount of energy. The outlet of the static mixer 7 is connected with the inlet of the mixing tank 9, and the outlet of the mixing tank 9 is connected with the inlet of the liquid discharge manifold; the outlet of the mixer 5 of the mixing module is connected with the inlet of the suction pump 6 of the output module through a valve, and the mixing module and the output module can be used independently or combined into a whole.
The utility model discloses in but mixing module and output module independent transportation combination complete set transportation.
The utility model provides a blender 5 can select different blender 5 according to chemical additive's difference, preferably is compound efflux formula blender 5 or shear pump for the blender 5 of main part, and two kinds of blenders 5 also can the mixed use, in the operation technology of easy foaminess, can also choose for use shear pump formula powder blender 5, reduce the air and introduce, reduce the bubble.
The utility model discloses an efficiency is thoughtlessly joined in marriage in the improvement, will divide into two parallelly connected branches from the liquid route that jet pump 2 flowed, and each branch road all is equipped with a blender 5, mixes with the base liquid in blender 5 from the powder of powder jar 3 outputs, forms to thoughtlessly join in marriage the concentrate. Two groups of mixers 5 are arranged, and the circulation state of the branch can be controlled by controlling the valve switch on the branch, thereby improving the mixing efficiency. Of course, in the actual fracturing operation process, more mixers 5 can be arranged, and different mixers 5 can mix different powders simultaneously, so that more complex process requirements can be met.
The utility model discloses in join in marriage system and still include liquid and add pipe 12 for add other chemical reagent, and can add the arbitrary link to in the equipment according to the technological requirement.
The utility model discloses still can be provided with the branch road on the well blender 5 for add liquid or powder, can add two kinds of different additives simultaneously, can be liquid and powder, also can be liquid and liquid, perhaps two kinds of powder.
The utility model discloses in liquid discharge manifold includes discharge centrifugal pump 10, third flow meter 16 and discharge header 11, discharge centrifugal pump 10 is connected with third flow meter 16, third flow meter 16 is connected with discharge header 11 for control discharge liquid flow. The discharge header 11 is connected with the inlet end of the discharge centrifugal pump 10 and is used for directly discharging the mixed liquid out of the system and controlling the liquid level of the mixing tank 9.
The utility model discloses in liquid discharge manifold exit end passes through the pipe connection with the 9 entrance points of blending tank for to join in marriage the liquid backward flow to blending tank 9 with mixing, circulate and join in marriage, reach the requirement of fracturing operation to joining in marriage liquid viscosity.
The utility model discloses in liquid discharge manifold exit end passes through the pipe connection with the 9 entrance points of blending tank, be equipped with static mixer 7 on the pipeline for increase mixes the effect of disposition all together, reduces energy resource consumption.
The utility model discloses in liquid discharge manifold exit end passes through the pipe connection with the 9 entrance points of blending tank, be equipped with static mixer 7 on the pipeline, 7 exit ends of static mixer are equipped with liquid level control valve 13, and the liquid level in the blending tank 9 is stabilized to the flow in the adjustable pipeline.
The utility model discloses in liquid discharge manifold exit end and 8 entrance connections of second feed liquor collector for join in marriage liquid backward flow to suction pump 6 in mixture, be used for pressure boost again, thoughtlessly join in marriage, multiple thoughtlessly join in marriage improves the quality of thoughtlessly joining in marriage of fracturing fluid.
The working principle is as follows: as shown in fig. 1 and 2, a valve of a first liquid inlet header 1 is opened, base liquid enters a mixer 5 after being pressurized by an injection pump 2, an outlet valve of a screw conveyor 4 is opened, powder of a powder tank 2 enters the mixer 5 through the screw conveyor 4, the base liquid and the powder are mixed in the mixer 5 to form concentrated liquid, the opening state of a parallel branch of the mixer 5 can be controlled by controlling the outlet valve of the mixer 5, and different two additives can be added through the branch of the mixer 5 according to the requirement of actual working conditions. The valve of the second liquid inlet collecting pipe 8 is opened, the concentrated solution in the mixer 5 is diluted by the liquid of the second liquid inlet collecting pipe 8 and then is pressurized for the second time by the suction pump 6, the kinetic energy of the diluted solution is increased, the diluted solution enters the static mixer 7 for secondary mixing, the static mixer 7 can fully utilize the kinetic energy of the mixed solution in the pipeline, and the mixing effect is improved. The mixed liquid after secondary mixing enters a mixing tank 9 and is discharged from a discharge header 11 through a discharge centrifugal pump 10, or a valve between the mixing tank 9 and the discharge header 11 can be opened and directly discharged from the mixing tank 9, so that the liquid level of the mixing tank 9 is further controlled. The mixing system also includes a liquid addition pipe 12 for adding other chemical reagents, and can be added to any link in the equipment according to the process requirements. When the viscosity of the mixed liquid is not up to the standard, the mixed liquid can flow back to the mixing tank 9 through a pipeline between the outlet end of the liquid discharge pipe and the inlet end of the mixing tank 9 for circular mixing. During actual mixing operation, the static mixer 7 or the combination of the static mixer 7 and the liquid level control valve 13 can be installed on a pipeline according to the property of the mixed liquid and the mixing requirement, then the outlet end of the liquid discharge manifold is directly connected with the inlet end of the second liquid inlet manifold 8, and the mixed liquid directly flows back to the suction pump 6 for repressurization and remixing.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (11)
1. A mixing system is characterized by comprising a mixing module and an output module, wherein the mixing module comprises a first liquid inlet collecting pipe, an injection pump, a powder tank and a mixer, the first liquid inlet collecting pipe is connected with an inlet of the injection pump, an outlet of the injection pump is connected with an inlet of the mixer, and the powder tank provides powder for the mixer; the output module comprises a second liquid inlet collecting pipe, a suction pump, a second flowmeter, a static mixer, a mixing tank and a liquid discharge pipe manifold, wherein the second liquid inlet collecting pipe is connected with an inlet of the suction pump; the outlet of the mixer of the mixing module is connected with the inlet of the suction pump of the output module through a valve, and the mixing module and the output module can be used independently or combined into a whole.
2. The compounding system of claim 1, wherein: the mixing module and the output module can be transported separately or in combination in a package.
3. The compounding system of claim 1, wherein: the mixer is a compound jet mixer or a mixer with a shear pump as a main body.
4. The compounding system of claim 1, wherein: the mixer is provided with more than two groups, and the more than two groups of mixers are connected in parallel between the jet pump and the suction pump.
5. The compounding system of claim 1, wherein: the compounding system also includes a liquid addition header for adding liquid chemicals.
6. The compounding system of claim 1, wherein: the mixer is provided with a branch for adding liquid or powder.
7. The compounding system of claim 1, wherein: the liquid discharge manifold comprises a discharge centrifugal pump, a third flowmeter and a discharge header, wherein the discharge centrifugal pump is connected with the third flowmeter, the third flowmeter is connected with the discharge header, and the discharge header is connected with the inlet end of the discharge centrifugal pump and is used for directly discharging the mixed liquid out of the system.
8. The compounding system of claim 1, wherein: and the outlet end of the liquid discharge manifold is connected with the inlet end of the mixing tank through a pipeline, and the mixed liquid flows back to the mixing tank.
9. The compounding system of claim 1, wherein: the outlet end of the liquid discharge manifold is connected with the inlet end of the mixing tank through a pipeline, and a static mixer is arranged on the pipeline.
10. The compounding system of claim 1 wherein: the outlet end of the liquid discharge manifold is connected with the inlet end of the mixing tank through a pipeline, a static mixer is arranged on the pipeline, and a liquid level control valve is arranged at the outlet end of the static mixer.
11. The compounding system of claim 1, wherein: and the outlet end of the liquid discharge manifold is connected with the inlet end of the second liquid inlet header and is used for returning the mixed liquid to the suction pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922251067.3U CN211384571U (en) | 2019-12-16 | 2019-12-16 | Blending system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922251067.3U CN211384571U (en) | 2019-12-16 | 2019-12-16 | Blending system |
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