CN216150000U - Shale gas fracturing grinds screening plant with low-cost proppant - Google Patents
Shale gas fracturing grinds screening plant with low-cost proppant Download PDFInfo
- Publication number
- CN216150000U CN216150000U CN202121871989.5U CN202121871989U CN216150000U CN 216150000 U CN216150000 U CN 216150000U CN 202121871989 U CN202121871989 U CN 202121871989U CN 216150000 U CN216150000 U CN 216150000U
- Authority
- CN
- China
- Prior art keywords
- proppant
- grinding
- cost
- low
- shale gas
- 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
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a low-cost proppant grinding and screening device for shale gas fracturing, which comprises a shell, wherein a feed inlet is formed in the upper part of the shell, a feed hopper is arranged in the feed inlet, a grinding roller is arranged below the feed hopper, a rotating shaft is arranged in the grinding roller, and the rotating shaft is driven to rotate by a driving mechanism; two layers of screen meshes, namely a first screen mesh and a second screen mesh, are sequentially arranged below the grinding roller, a vibrating motor is arranged between the two layers of screen meshes, and a waste outlet structure is arranged below the second screen mesh. The proppant grinding and screening device can realize batch grinding and screening treatment on the proppants, so that low-cost proppants with different meshes can be obtained. This grinding and screening device simple structure, processing low cost can effectively improve the grinding and screening efficiency of proppant.
Description
Technical Field
The utility model relates to the technical field of proppants for fracturing, in particular to a low-cost proppant grinding and screening device for shale gas fracturing.
Background
With the acceleration of the exploration and development process of unconventional oil and gas resources, shale gas is receiving more and more attention as a typical unconventional natural gas resource. Shale gas resources in China are abundant and widely distributed, and the initial estimation of the resource amount can reach billions of cubic meters. However, because the shale gas reservoir has the characteristics of low permeability, low porosity and the like, the shale gas reservoir can be subjected to hydraulic fracturing stimulation modification to realize large-scale commercial development. The proppant is an essential element in the fracturing construction process and is a key material for supporting the fracturing fracture. Proppants are typically carried into and deployed into reservoir fractures by the fracturing fluid to hold the fractures open, thereby providing a high flow conductivity path for shale gas to flow into the well. Under the current big background that the external dependence of domestic natural gas supply is high and the cost of shale gas exploitation is low, the efficient exploitation of shale gas by using the low-cost proppant is very important. Present screening plant structure and function are comparatively single, when processing the proppant, can not get rid of granule such as easy broken impurity in the proppant, and production efficiency is low, influences the result of use of proppant.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low-cost proppant grinding and screening device for shale gas fracturing, which can solve the technical problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a low-cost proppant grinding and screening device for shale gas fracturing comprises a shell, wherein a feed inlet is formed in the upper portion of the shell, a feed hopper is arranged in the feed inlet, a grinding roller is arranged below the feed hopper, a rotating shaft is arranged in the grinding roller, and the rotating shaft is driven to rotate by a driving mechanism;
two layers of screen meshes, namely a first screen mesh and a second screen mesh, are sequentially arranged below the grinding roller, a vibrating motor is arranged between the two layers of screen meshes, and a waste outlet structure is arranged below the second screen mesh.
Furthermore, the feed hopper comprises two plates which are assembled into a hopper-shaped structure with a large upper opening and a small lower opening along the longitudinal direction.
Furthermore, the feed hoppers are arranged in parallel.
Furthermore, the waste outlet structure comprises two plates which are spliced into an inverted splayed shape, and the upper ends of the plates are respectively fixed on the bottom of the shell.
Further, the plate is rectangular in shape.
Further, the first screen corresponds to a minimum mesh specification of the proppant, and the second screen corresponds to a maximum mesh specification of the proppant.
Furthermore, four support rods are arranged around or at the bottom of the shell.
Furthermore, the bottom of the supporting rod is provided with a pulley.
According to the technical scheme, the low-cost proppant grinding and screening device for shale gas fracturing is mainly used for processing and treating the low-cost proppant for shale gas fracturing. The grinding and screening device mainly comprises a shell, a grinding roller, a screen, a vibrating motor and the like. The grinding and screening device is characterized in that a feed port is formed in the upper end of a box body of the grinding and screening device, a plurality of grinding rollers are arranged below the feed port, two screen meshes are arranged below the grinding rollers, and a vibration motor is arranged in the middle of the screen meshes. The proppant grinding and screening device can realize batch grinding and screening treatment on the proppants, so that low-cost proppants with different meshes can be obtained. This grinding and screening device simple structure, processing low cost can effectively improve the grinding and screening efficiency of proppant.
In conclusion, the grinding and screening device for the low-cost proppant for shale gas fracturing provided by the utility model can grind and screen the low-cost proppant, so that the using effect of the proppant is improved, the production cost is reduced, and the production efficiency of the proppant is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
description of reference numerals:
the grinding machine comprises a feed hopper 1, a shell 2, a power switch group 3, a driving mechanism 4, a supporting rod 5, a pulley 6, a grinding roller 7, a first screen 8, a second screen 9, a vibrating motor 10, a waste outlet 11 and a rotating shaft 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in fig. 1, in the low-cost proppant grinding and screening device for shale gas fracturing described in this embodiment, a feed inlet is arranged above a casing 2 of the grinding and screening device, the feed inlet is provided with a feed hopper 1, three feed hoppers are arranged above the device for increasing the working efficiency, each feed hopper is formed by two plates and is specifically two rectangles, two rectangular plates are assembled into a hopper shape with a large upper opening and a small lower opening along the longitudinal direction, materials enter from the upper opening and exit from the lower opening, and the plate is selected to allow the raw materials, i.e., the proppant, of the scheme to enter stably and orderly; simultaneously, this embodiment can set up a plurality of feeder hoppers side by side, improves the material incidence.
The feeder hopper below is equipped with grinds roller 7, is equipped with pivot 12 in grinding roller 7, and pivot 12 relies on actuating mechanism 4 to drive and rotates, actuating mechanism 4 is controlled by switch group 3, and actuating mechanism is the pivot that is used for driving in the middle of grinding the roller to drive and grind the roller and rotate, actuating mechanism specifically comprises a plurality of motors, and a pivot of every motor drive rotates.
Grind 7 below of roller and be equipped with two-layer screen cloth, first screen cloth 8 and second screen cloth 9 promptly, two-layer screen cloth is fixed in the casing in proper order, is equipped with vibrating motor 10 in the middle of the two-layer screen cloth, vibrating motor is controlled by switch group 3, is equipped with waste outlet 11 in second screen cloth 9 below, and is same, and waste outlet 11 also includes two plates, and two plates are pieced together and are fallen the splayed form, and the upper end of plate is fixed respectively on 2 bottoms of casing, forms certain space in the middle of the splayed bottom, can supply the raw materials to stabilize orderly discharge, and the plate is chooseed for use to the same reason, and the proppant of this scheme of being convenient for discharges.
In addition, in order to increase the mobility of the device, four support rods 5 are arranged at four corners of the shell 2, and pulleys 6 are arranged at the bottoms of the support rods 5.
The specification requirements of the first screen 8 and the second screen 9 are described below, the mesh number of the proppant is usually a range, and here, the specification is described by taking 30-50 mesh proppant as an example, which means that the proppant contains 30 mesh, 40 mesh, 50 mesh and other mesh proppant particles, the minimum mesh number of the proppant is 30 mesh, and the maximum mesh number of the proppant is 50 mesh, and in particular, the smaller the mesh number is, the larger the particle size, i.e. the size, of the proppant is, so that the specification of the first screen corresponds to the minimum mesh number, and the maximum mesh number of the second screen corresponds to the specification of the second screen, so that after the raw material is ground, if the raw material can pass through the first screen and can be left on the second screen, the proppant on the second screen can be taken out to be used as a fracturing proppant product.
Similarly, whether processing 40-70 mesh, 70-140 mesh proppant as described below, or other mesh sizes of proppant, can be performed as described above, except that different mesh sizes are substituted for different mesh sizes.
The using process of the utility model is as follows: (1) putting low-cost propping agents into the feed inlet in batches, and grinding by using a grinding roller 7; (2) the ground proppant falls into the screen, and the screen is driven to vibrate by the vibration motor to carry out proppant screening treatment; (3) and taking out the proppant which is screened and then retained on the second screen to obtain the low-cost proppant for shale gas fracturing. Optionally, the utility model grinds the low-cost proppant, specifically including: and putting the low-cost proppant into a grinding and screening device, and grinding by using a grinding roller. The ground low-cost proppant can also be screened, specifically including: the screen combination is determined according to the use requirement of shale gas fracturing, and the ground low-cost proppant automatically falls into the screen combination for screening.
The embodiment of the utility model provides a low-cost proppant for shale gas fracturing, which comprises the following specific processing steps:
step 1: low-cost proppant is fed into a feed inlet of the device in batches;
specifically, the obtained untreated low-cost proppant is fed into the feed inlet in bulk.
Step 2: grinding the input low cost to remove hollow or easily broken parts;
specifically, after the low-cost proppant is put into a grinding and screening device, the proppant is ground by using a grinding roller, and a part which is hollow or easy to break in the proppant is removed.
And step 3: and screening the ground low-cost proppant to obtain the proppant with different meshes for shale gas fracturing.
Specifically, according to the actual use requirement of shale gas fracturing, determining the screen combination in the grinding and screening device, for example, if the shale gas fracturing needs 30/50-mesh proppant products, only a screen corresponding to 30/50 meshes needs to be used; if shale gas fracturing requires 40/70 mesh proppant product, then a 40/70 mesh corresponding screen is used; if the shale gas fracturing requires 70/140 mesh proppant products, then a 70/140 mesh corresponding screen is used, and so on. The low-cost proppant with different meshes for shale gas fracturing is obtained.
In summary, the grinding and screening device for the low-cost proppant for shale gas fracturing provided by the embodiment of the utility model can grind and screen the low-cost proppant, so that the using effect of the proppant is improved, the production cost is reduced, and the production efficiency of the proppant is improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A low-cost proppant grinding and screening device for shale gas fracturing comprises a shell (2), a feed inlet is arranged above the shell (2), and is characterized in that,
a feed hopper (1) is arranged in the feed inlet, a grinding roller (7) is arranged below the feed hopper, a rotating shaft (12) is arranged in the grinding roller (7), and the rotating shaft is driven to rotate by a driving mechanism (4);
two layers of screens, namely a first screen (8) and a second screen (9), are sequentially arranged below the grinding roller (7), a vibrating motor (10) is arranged between the two layers of screens, and a waste outlet structure (11) is arranged below the second screen (9).
2. The shale gas fracturing low-cost proppant grinding and screening device of claim 1, wherein: the feeding hopper (1) comprises two plates which are assembled into a hopper-shaped structure with a large upper opening and a small lower opening along the longitudinal direction.
3. The shale gas fracturing low-cost proppant grinding and screening device of claim 1, wherein: the feed hoppers (1) are arranged in parallel.
4. The shale gas fracturing low-cost proppant grinding and screening device of claim 1, wherein: the waste outlet structure (11) comprises two plates which are spliced into an inverted splayed shape, and the upper ends of the plates are respectively fixed on the bottom of the shell (2).
5. The shale gas fracturing low-cost proppant grinding and screening device of claim 2 or 4, wherein: the plate is rectangular.
6. The shale gas fracturing low-cost proppant grinding and screening device of claim 1, wherein: the first screen (8) corresponds to a minimum mesh specification of proppant and the second screen (9) corresponds to a maximum mesh specification of proppant.
7. The shale gas fracturing low-cost proppant grinding and screening device of claim 1, wherein: four support rods (5) are arranged around or at the bottom of the shell (2).
8. The shale gas fracturing low-cost proppant grinding and screening device of claim 7, wherein: the bottom of the support rod (5) is provided with a pulley (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121871989.5U CN216150000U (en) | 2021-08-11 | 2021-08-11 | Shale gas fracturing grinds screening plant with low-cost proppant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121871989.5U CN216150000U (en) | 2021-08-11 | 2021-08-11 | Shale gas fracturing grinds screening plant with low-cost proppant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216150000U true CN216150000U (en) | 2022-04-01 |
Family
ID=80838192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121871989.5U Active CN216150000U (en) | 2021-08-11 | 2021-08-11 | Shale gas fracturing grinds screening plant with low-cost proppant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216150000U (en) |
-
2021
- 2021-08-11 CN CN202121871989.5U patent/CN216150000U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107837938A (en) | A kind of Preliminary working device of aluminum ore | |
| CN106216044A (en) | General-purpose type Material crushing machine for chemical engineering and operational approach thereof | |
| CN206652568U (en) | A kind of feed screens pulverizer | |
| CN216150000U (en) | Shale gas fracturing grinds screening plant with low-cost proppant | |
| CN206716127U (en) | Leak preventive grading mixing device is used in one kind well cementation | |
| CN211865746U (en) | Screening device used in tunnel kiln green brick production process | |
| CN202638758U (en) | Sand-selection production device by using drying method | |
| CN109047294A (en) | A kind of vial waste material milling process | |
| CN217550477U (en) | Barite powder concentrator | |
| CN218139244U (en) | Intelligent assembly production line is selected separately to resin powder | |
| CN206215521U (en) | Oscillatory type separating sieve | |
| CN210736582U (en) | Recycled aggregate production facility | |
| CN202893643U (en) | Screen cloth device used for screening machine | |
| CN210079685U (en) | Novel grinding device is used in zirconium silicate production | |
| CN207056740U (en) | A kind of cement milling device | |
| CN202398512U (en) | A vibration excitation device and a decentralized drive probability screen | |
| CN206371479U (en) | A kind of improved feed-processing device | |
| CN207641570U (en) | A kind of wet feed crusher | |
| CN213967058U (en) | Crushing and grinding device for wet-process phosphoric acid production | |
| CN217512259U (en) | Hierarchical screening plant of fertilizer production | |
| CN204544703U (en) | A kind of cement filter | |
| CN214599597U (en) | Raw materials grinder for chemical industry | |
| CN216459072U (en) | Processing apparatus of power waste residue for production building block | |
| CN216631151U (en) | Quick lime reducing mechanism | |
| CN216756590U (en) | Feed mechanism for chemical industry preparation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 434008 intersection of shacen road and Liaoyuan Road, Jingzhou Development Zone, Jingzhou City, Hubei Province Patentee after: Hubei Changda New Energy Technology Co.,Ltd. Address before: 434008 intersection of shacen road and Liaoyuan Road, Jingzhou Development Zone, Jingmen City, Hubei Province Patentee before: Hubei Changda New Energy Technology Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |