CN216043670U

CN216043670U - Sand mixing equipment

Info

Publication number: CN216043670U
Application number: CN202122266716.4U
Authority: CN
Inventors: 韩毛毛; 吴义朋; 李树伟
Original assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Current assignee: Yantai Jereh Petroleum Equipment and Technologies Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-15
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses sand mixing equipment which comprises a first driving source, a second driving source, an suction assembly, a mixing system, a discharge assembly and a chassis, wherein the first driving source, the second driving source, the suction assembly, the mixing system and the discharge assembly are respectively arranged on the chassis; the second driving source directly drives the discharging assembly to work through the mechanical transmission mechanism, transmission efficiency can be improved, and discharging displacement and discharging pressure of the discharging assembly are improved.

Description

Sand mixing equipment

Technical Field

The utility model relates to the technical field of oil field construction operation equipment, in particular to sand mixing equipment.

Background

In the field of fracturing production increase of oil and gas fields, sand mixing equipment is core equipment in fracturing complete equipment and is mainly used for mixing fracturing base fluid, proppant and chemical additives supplied from the upstream and finally supplying the mixed fracturing fluid to downstream pumping equipment.

The existing sand mixing equipment is mainly driven by a hydraulic system, the transmission efficiency of the hydraulic system is low, the sand mixing equipment has the conditions that the discharge capacity is difficult to increase and the discharge pressure is difficult to increase, and the field operation requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a sand mixing device, which aims to solve the technical problem that the discharge capacity of the sand mixing device is low in the related technology.

In order to solve the problems, the utility model adopts the following technical scheme:

the embodiment of the utility model discloses sand mixing equipment which comprises a first driving source, a second driving source, an intake assembly, a mixing system and a discharge assembly, wherein the first driving source is connected with the second driving source; wherein:

the suction assembly is connected with the mixing system, and the first driving source is connected with the suction assembly so as to drive the suction assembly to convey materials to be mixed into the mixing system;

the discharge assembly is connected with the mixing system, the second driving source is connected with the discharge assembly through a mechanical transmission mechanism so as to drive the discharge assembly to discharge mixed materials in the mixing system.

The technical scheme adopted by the utility model can achieve the following beneficial effects:

compared with the traditional sand mixing equipment adopting a hydraulic system to drive the discharge assembly to work, the sand mixing equipment disclosed by the embodiment of the utility model has the advantages of high transmission efficiency, durability, prolonged service life, simple operation and maintenance and the like; meanwhile, the transmission ratio of the mechanical transmission mechanism is fixed, the power output of the second driving source is increased, such as the rotating speed is increased, and the discharge pressure and the discharge displacement of the discharge assembly can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a sand mulling apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

FIG. 3 is a second schematic structural view of a sand mulling apparatus according to an embodiment of the present invention;

fig. 4 is a partially enlarged schematic view at B in fig. 3.

In the figure:

1-a first drive source; 2-a second drive source; 3-a reducer; 4-a clutch; 5-a drive shaft; 6-an exhaust manifold; 7-discharge centrifugal pump; 8-a mixing system; 9-a sand conveying system; 10-a suction manifold; 11-suction centrifugal pump; 12-a hydraulic system; 13-a chassis; 15-transfer case.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The sand mulling equipment provided by the embodiment of the present application is described in detail below with reference to fig. 1 to 4 through specific embodiments and application scenarios thereof.

The embodiment of the utility model discloses sand mixing equipment which comprises a first driving source 1, a second driving source 2, a suction assembly, a mixing system 8, a discharge assembly and a chassis 13.

Wherein, chassis 13 is the basic component of mulling equipment, and chassis 13 can provide the installation basis for first driving source 1, second driving source 2, suction component, hybrid system 8 and discharge assembly, and chassis 13 can be connected in the automobile body to realize the transportation of mulling equipment.

The first driving source 1 is arranged on the chassis 13, the suction assembly is connected with the mixing system 8, the first driving source 1 is connected with the suction assembly to drive the suction assembly to work, and materials such as fracturing base fluid, proppant and chemical additives supplied by upstream equipment of the sand mixing equipment can be conveyed into the mixing system 8 to be mixed.

In one embodiment, the suction assembly comprises a suction manifold 10 and a suction centrifugal pump 11, the suction manifold 10 is connected with upstream equipment of the sand mulling equipment and a mixing system, the suction centrifugal pump 11 is arranged on the suction manifold 10, and the first driving source 1 is connected with the suction centrifugal pump 11 to drive the suction centrifugal pump 11 to work.

In this embodiment, the first driving source 1 may be an engine, and the first driving source 1 may drive the suction centrifugal pump 11 to operate through a gear transmission mechanism, a belt transmission mechanism, a coupling, a hydraulic system, and the like, and the specific connection manner of the first driving source and the suction centrifugal pump 11 is not limited in this embodiment.

Chassis 13 is located to second driving source 2, and the discharge assembly links to each other with hybrid system 8, and second driving source 2 links to each other with the discharge assembly work with the drive discharge assembly through mechanical transmission mechanism, and the discharge assembly can supply the downstream equipment for the mulling equipment with the material after stirring mixes in the hybrid system 8.

In one embodiment, the discharge assembly comprises a discharge manifold 6 and a discharge centrifugal pump 7, the discharge manifold 6 connects the mixing system 8 and equipment downstream of the sand mulling equipment, the discharge centrifugal pump 7 is arranged at the discharge manifold 6, and the driving shaft 5 is connected with the discharge centrifugal pump 7 to drive the discharge centrifugal pump 7 to work.

In this embodiment, the second driving source 2 may be an engine, the mechanical transmission mechanism may include a driving shaft 5, one end of the driving shaft 5 is connected to the second driving source 2, and the other end of the driving shaft 5 may be connected to the discharge centrifugal pump 7.

In one embodiment, the mechanical transmission mechanism may further include a speed reducer 3, and the speed reducer 3 is connected between the second driving source 2 and the driving shaft 5. Specifically, the power output end of the second driving source 2 is connected to the power input end of the speed reducer 3, and the power output end of the speed reducer 3 is connected to the drive shaft.

In one embodiment, the mechanical transmission mechanism may further include a clutch 4, the clutch 4 is connected between the second driving source 2 and the driving shaft 5, and is used for cutting off or transmitting the power output by the second driving source 2, in the case that the mechanical transmission mechanism includes the speed reducer 3, the clutch 4 may be disposed between the second driving source 2 and the speed reducer 3, and the clutch 4 may be disposed between the speed reducer 3 and the driving shaft 5.

The moving direction of the vehicle body is defined as a first direction, the suction assembly and the discharge assembly are distributed on two sides of the chassis 13 in the first direction of the chassis 13, and the second driving source 2, the mechanical transmission mechanism and the discharge assembly are arranged on the same side of the chassis 13. Specifically, defining that the traveling direction of the sand mixing apparatus in the vehicle body is the front side and the retreating direction of the sand mixing apparatus in the vehicle body is the rear side, referring to fig. 1, the suction assembly and the discharge assembly may be provided on the left and right sides of the chassis 13, respectively. Furthermore, the speed reducer 3, the clutch 4 and the discharge centrifugal pump 7 are arranged on the same side, so that the layout can simplify a mechanical transmission mechanism and improve mechanical transmission efficiency.

On the basis, in an embodiment, the mechanical transmission mechanism can comprise a clutch reducer, the second driving source 2 is connected with the clutch reducer, the clutch reducer is connected with the driving shaft 5, so that the centrifugal pump 7 is driven to work, the clutch reducer has the characteristics of compact structure and convenience in installation and use, the clutch reducer can exert excellent performance, and the high-efficiency starting and stopping actions can be realized due to the fact that the self-chronic state is reduced through integration.

According to the sand mixing equipment disclosed by the embodiment of the utility model, the first driving source 1 drives the suction assembly to convey the fracturing base fluid, the propping agent and the chemical additive to wait for mixed materials into the mixing system 8, after the materials are stirred and mixed by the mixing system 8, the second driving source 2 drives the discharge assembly to discharge the mixed materials in the mixing system 8 and convey the mixed materials to downstream equipment of the sand mixing equipment, and the second driving source 2 directly drives the discharge assembly to work through the mechanical transmission mechanism, so that the discharge assembly can be driven at full power, the power discharge efficiency is improved, and the discharge pressure and discharge displacement of the discharge assembly are improved.

In one embodiment, the discharge centrifugal pump 7 may be a two-stage centrifugal pump or a multi-stage centrifugal pump. On one hand, compared with a single-stage centrifugal pump, the two-stage centrifugal pump or the multi-stage centrifugal pump is greatly improved in the aspects of discharge pressure, discharge displacement and the like, and the performance limit of the single-stage centrifugal pump is broken through; on the other hand, the double-stage centrifugal pump or the multi-stage centrifugal pump can reach the operation parameters of the single-stage centrifugal pump at a lower rotating speed, the service life of the double-stage centrifugal pump or the multi-stage centrifugal pump can be greatly prolonged under the same working condition, and inconvenience and cost loss caused by frequent maintenance and replacement of the discharged centrifugal pump 7 in the current large-scale construction process on site are solved.

In one embodiment, the sand mulling facility may further include a hydraulic system 12, and the first driving source 1 is connected to the hydraulic system 12 to provide hydraulic power to the hydraulic system 12. Specifically, the first driving source 1 may drive a hydraulic system through a power takeoff, the hydraulic system 12 may be connected to the suction centrifugal pump 11 to provide power for the suction centrifugal pump 11, and the hydraulic system 12 may be connected to the mixing system 8 to provide power for the mixing system, so as to mix materials in the mixing system 8.

In one embodiment, the mechanical transmission mechanism may further include a transfer case 15, the second driving source 2 is connected to the transfer case 15, one power output end of the transfer case 15 may sequentially drive the centrifugal pump 7 through the clutch 4 and the driving shaft 5 to operate, and the other power output ends of the transfer case 15 may be connected to the hydraulic system 12 to provide hydraulic power for the hydraulic system 12. When the power provided by the second driving source 2 to the discharge centrifugal pump 7 can meet the pumping requirement, part of the power of the second driving source 2 can be used for providing hydraulic power for the hydraulic system 12, and the power distribution of the sand mixing equipment is optimized.

The sand mixing equipment of this application embodiment can also include sand conveying system 9, and sand conveying system 9 is used for adding the sand material in to hybrid system 8, and sand conveying system 9 can be for defeated sand auger, and hybrid system 8 can be for the sand mixing tank, and hydraulic system 12 links to each other with sand conveying system 9, provides power for sand conveying system 9.

In an optional embodiment, the sand mulling equipment may further include a dry adding system and a liquid adding system, the dry adding system is used for adding dry powder chemical additives into the mixing system 8, the liquid adding system is used for adding liquid chemical additives into the mixing system 8, the dry adding system and the liquid adding system may be respectively connected to the hydraulic system 12, and the hydraulic system 12 provides power for normal operation of the dry adding system and the liquid adding system.

In the embodiment of the application, the first driving source 1 provides power for all functional components outside the discharge assembly, such as the suction centrifugal pump 11, the mixing system 8, the sand conveying system 9, the dry adding system, the liquid adding system and the like, and the second driving source 2 provides power for the discharge centrifugal pump 7, so that the second driving source 2 can drive the discharge centrifugal pump 7 in full power, the transmission efficiency of power is improved, and the discharge pressure and the discharge displacement of the discharge assembly are improved.

Of course, in the embodiment of the present application, the first driving source 1 and the second driving source 2 may also be motors.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims

1. A sand mulling apparatus, characterized by comprising a first driving source (1), a second driving source (2), a suction assembly, a blending system (8), a discharge assembly and a chassis (13), wherein the first driving source (1), the second driving source (2), the suction assembly, the blending system (8) and the discharge assembly are respectively provided to the chassis (13); wherein:

the suction assembly is connected with the mixing system (8), and the first driving source (1) is connected with the suction assembly so as to drive the suction assembly to convey materials to be mixed into the mixing system (8);

the discharge assembly is connected with the mixing system (8), the second driving source (2) is connected with the discharge assembly through a mechanical transmission mechanism so as to drive the discharge assembly to discharge mixed materials in the mixing system (8).

2. A sand mixing apparatus according to claim 1, characterised in that the mechanical transmission comprises a drive shaft (5), the second drive source (2) being connected to the discharge assembly via the drive shaft (5).

3. A sand mixing apparatus according to claim 2, characterised in that the mechanical transmission further comprises a speed reducer (3) and/or a clutch (4), the speed reducer (3) and/or the clutch (4) being connected between the second drive source (2) and the drive shaft (5).

4. A sand mixing plant according to claim 2, characterized in that the discharge assembly comprises a discharge manifold (6) and a discharge centrifugal pump (7), the discharge manifold (6) being connected to the mixing system (8), the discharge centrifugal pump (7) being provided at the discharge manifold (6), and the drive shaft (5) being connected to the discharge centrifugal pump (7).

5. A sand mixing plant according to claim 4, characterised in that the discharge centrifugal pump (7) is a two-stage centrifugal pump or a multi-stage centrifugal pump.

6. A sand mixing apparatus according to claim 1, wherein the suction assembly comprises a suction manifold (10) and a suction centrifugal pump (11), the suction manifold (10) is connected with the mixing system (8), the suction centrifugal pump (11) is arranged at the suction manifold (10), and the first driving source (1) is connected with the suction centrifugal pump (11) to drive the suction centrifugal pump (11) to work.

7. A sand mixing apparatus according to claim 1, further comprising a hydraulic system (12), the first drive source (1) being connected to the hydraulic system (12), the suction assembly and the mixing system (8) being connected to the hydraulic system, respectively.

8. A sand mixing apparatus according to claim 7, characterised in that the mechanical transmission comprises a transfer case (15), that the second drive source (2) is connected to the transfer case (15), and that the discharge assembly and the hydraulic system (12) are connected to the transfer case (15), respectively.

9. A sand mixing apparatus according to claim 1, characterised in that the first drive source (1) and/or the second drive source (2) is an engine or an electric motor.

10. A sand mixing apparatus according to claim 1, characterized in that the suction assembly and the discharge assembly are distributed on both sides of the chassis (13) in a first direction of the chassis (13), the second drive source (2), the mechanical transmission mechanism and the discharge assembly being provided on the same side of the chassis (13), the first direction being the moving direction of the chassis (13).