CN219815945U - Preparation device of coalbed methane fracturing fluid - Google Patents
Preparation device of coalbed methane fracturing fluid Download PDFInfo
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- CN219815945U CN219815945U CN202320780304.9U CN202320780304U CN219815945U CN 219815945 U CN219815945 U CN 219815945U CN 202320780304 U CN202320780304 U CN 202320780304U CN 219815945 U CN219815945 U CN 219815945U
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- stirring
- funnel
- fracturing fluid
- shaped guide
- guide cylinder
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- 239000012530 fluid Substances 0.000 title claims abstract description 35
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 114
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 abstract description 16
- 230000000996 additive effect Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a preparation device of a coalbed methane fracturing fluid. The funnel-shaped guide cylinder is arranged in the stirring barrel, so that the preliminary mixing of the fracturing fluid base fluid and the additive is realized. A stirring cylinder and a stirring paddle are arranged on the rotating shaft, the stirring cylinder is of a concave structure, and a through hole is formed in the stirring cylinder; the stirring paddle is the inner arc-shaped rod, and the both ends of stirring paddle are the inner arc-shaped plate, have realized the inner loop stirring mode, make fracturing fluid base solution and additive more abundant that can mix, effectively solved among the prior art stirring inhomogeneous, stirring inefficiency's technical problem, realized fracturing fluid base solution and additive stirring, improved stirring efficiency's technical effect.
Description
Technical Field
The utility model relates to the technical field of preparation devices, in particular to a preparation device for a coalbed methane fracturing fluid.
Background
The coalbed methane fracturing fluid is a heterogeneous unstable chemical system formed by a plurality of additives according to a certain proportion, and is a working fluid used when fracturing and reforming a stratum. The main function of the fracturing fluid is to transfer the high pressure created by the surface equipment into the formation, breaking the formation into fractures and transporting proppants along the fractures.
The preparation of the coalbed methane fracturing fluid is a process of mixing the fracturing fluid base fluid and the additive in proportion, and equipment used in the process is a stirring device. The stirring device used at present only utilizes the mode that the rotating shaft drives stirring vane to rotate to stir and mix fracturing fluid base fluid and additive, and the stirring is uneven, the stirring inefficiency's problem generally exists.
Disclosure of Invention
The preparation device for the fracturing fluid of the coal bed gas solves the technical problems of uneven stirring and low stirring efficiency in the prior art, and achieves the technical effects of uniform stirring of the base fluid of the fracturing fluid and the additive and improvement of the stirring efficiency.
The utility model provides a preparation device of a coalbed methane fracturing fluid, which comprises the following components: the stirring device comprises a stirring barrel, a funnel-shaped guide cylinder, a motor, a rotating shaft, a stirring cylinder and stirring paddles; the funnel-shaped guide cylinder is arranged in the stirring barrel; the motor is arranged at the top of the stirring barrel; the power input end of the rotating shaft is connected with the power output end of the motor, and the rotating shaft penetrates through the funnel-shaped guide cylinder; the stirring cylinder and the stirring paddle are arranged on the rotating shaft, and the stirring paddle is positioned at one side far away from the funnel-shaped guide cylinder; the stirring cylinder is of a concave structure, and a through hole is formed in the stirring cylinder; the stirring paddle is an inner arc-shaped rod, and two ends of the stirring paddle are inner arc-shaped plates; the top of the stirring barrel is provided with a first feeding hole, the side wall of the stirring barrel is provided with a second feeding hole, and the bottom of the stirring barrel is provided with a discharging hole; the second feeding port is positioned above the funnel-shaped guide cylinder, and an included angle between the second feeding port and the side wall of the stirring barrel in the horizontal direction is 30-60 degrees.
Specifically, the included angle between the generatrix of the funnel-shaped guide cylinder and the central axis of the stirring barrel is 40-65 degrees.
Specifically, the outer edge of the funnel-shaped guide cylinder is welded with the inner wall of the stirring barrel.
Specifically, the method further comprises the steps of: a temperature measuring element, a heating element, and a controller; the temperature measuring element and the heating element are uniformly arranged on the side wall of the stirring barrel, and the temperature measuring element and the heating element are positioned below the funnel-shaped guide cylinder; the signal output end of the temperature measuring element is in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input end of the heating element.
Specifically, the temperature measuring element is a temperature sensor, and the heating element is a heating resistance wire.
One or more technical schemes provided by the utility model have at least the following technical effects or advantages:
the funnel-shaped guide cylinder is arranged in the stirring barrel, so that the preliminary mixing of the fracturing fluid base fluid and the additive is realized. A stirring cylinder and a stirring paddle are arranged on the rotating shaft, the stirring cylinder is of a concave structure, and a through hole is formed in the stirring cylinder; the stirring paddle is the inner arc-shaped rod, and the both ends of stirring paddle are the inner arc-shaped plate, have realized the inner loop stirring mode, make fracturing fluid base solution and additive more abundant that can mix, effectively solved among the prior art stirring inhomogeneous, stirring inefficiency's technical problem, realized fracturing fluid base solution and additive stirring, improved stirring efficiency's technical effect.
Drawings
FIG. 1 is a schematic structural diagram of a device for preparing a coalbed methane fracturing fluid provided by an embodiment of the utility model;
the device comprises a 1-stirring barrel, a 2-funnel-shaped guide cylinder, a 3-motor, a 4-rotating shaft, a 5-stirring barrel, a 6-stirring paddle, a 7-through hole, an 8-first feeding hole, a 9-second feeding hole, a 10-discharging hole, an 11-temperature measuring element and a 12-heating element.
Detailed Description
The preparation device of the fracturing fluid solves the technical problems of uneven stirring and low stirring efficiency in the prior art, and achieves the technical effects of uniform stirring of the fracturing fluid base fluid and the additive and improvement of the stirring efficiency.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1, a device for preparing a coalbed methane fracturing fluid provided by an embodiment of the utility model includes: the stirring device comprises a stirring barrel 1, a funnel-shaped guide cylinder 2, a motor 3, a rotating shaft 4, a stirring barrel 5 and a stirring paddle 6; the funnel-shaped guide cylinder 2 is arranged in the stirring barrel 1; the motor 3 is arranged at the top of the stirring barrel 1; the power input end of the rotating shaft 4 is connected with the power output end of the motor 3, and the rotating shaft 4 penetrates through the funnel-shaped guide cylinder 2; the stirring cylinder 5 and the stirring paddle 6 are both arranged on the rotating shaft 4, and the stirring paddle 6 is positioned at one side far away from the funnel-shaped guide cylinder 2; the stirring cylinder 5 is of a concave structure, and a through hole 7 is formed in the stirring cylinder 5; the stirring paddle 6 is an inner arc-shaped rod, and two ends of the stirring paddle 6 are inner arc-shaped plates; the top of the stirring barrel 1 is provided with a first feeding hole 8, the side wall of the stirring barrel 1 is provided with a second feeding hole 9, and the bottom of the stirring barrel 1 is provided with a discharging hole 10; the second feed inlet 9 is positioned above the funnel-shaped guide cylinder 2, and the included angle between the second feed inlet 9 and the side wall of the stirring barrel 1 in the horizontal direction is 30-60 degrees.
It should be noted that, according to different compounding requirements, a plurality of first feed inlets 8 and second feed inlets 9 may be provided, and each second feed inlet 9 has an included angle of 30 ° to 60 ° with the side wall of the stirring barrel 1 in the horizontal direction, and the number of the first feed inlets 8 and the second feed inlets 9 is not specifically limited in the embodiment of the present utility model.
Specifically, the included angle between the generatrix of the funnel-shaped guide cylinder 2 and the central axis of the stirring barrel 1 is 40-65 degrees. The outer edge of the funnel-shaped guide cylinder 2 is welded with the inner wall of the stirring barrel 1.
In order to realize the optimal stirring and mixing effect according to different mixed reagents, the stirring and mixing device further comprises: a temperature measuring element 11, a heating element 12 and a controller; the temperature measuring element 11 and the heating element 12 are uniformly arranged on the side wall of the stirring barrel 1, and the temperature measuring element 11 and the heating element 12 are positioned below the funnel-shaped guide cylinder 2; the signal output end of the temperature measuring element 11 is in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input end of the heating element 12. The temperature measuring element 11 is used for monitoring the real-time temperature of the mixture in the stirring barrel 1, and the heating element 12 is used for heating the mixture in the stirring barrel 1 to the optimal mixing temperature, so that the optimal stirring and mixing effect is realized.
Here, the number of the temperature measuring elements 11 and the number of the heating elements 12 are plural, and the plurality of temperature measuring elements 11 are uniformly disposed on the side wall of the stirring tank 1 and are located below the funnel-shaped guide cylinder 2. The plurality of heating elements 12 are also uniformly arranged on the side wall of the stirring barrel 1 and are all positioned below the funnel-shaped guide cylinder 2.
In this embodiment, the temperature measuring element 11 is a temperature sensor, and the heating element 12 is a heating resistance wire.
The working principle of the preparation device of the coalbed methane fracturing fluid provided by the embodiment of the utility model is specifically described as follows:
firstly pouring the additive into the stirring barrel 1 through the first feed inlet 8, then introducing the base solution into the second feed inlet 9, enabling the base solution to enter the stirring barrel 1 at a certain angle, and enabling the additive and the base solution to collide on the inner conical surface of the funnel-shaped guide cylinder 2 to form vortex falling, so that preliminary mixing of the additive and the base solution is realized. The additive and the base liquid which are mixed preliminarily fall into the stirring barrel 1 from the bottom discharge hole of the funnel-shaped guide cylinder 2. The motor 3 is started, and the motor 3 drives the stirring cylinder 5 and the stirring paddle 6 to rotate through the rotating shaft 4 to form an internal circulation stirring mode, so that the additive and the base solution are fully mixed, and the mixing efficiency is improved.
In summary, the embodiment of the utility model has the advantage of good mixing effect.
Embodiments of the present utility model are not described in detail and are well known to those skilled in the art. Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (5)
1. A device for preparing a coalbed methane fracturing fluid, comprising: the stirring device comprises a stirring barrel, a funnel-shaped guide cylinder, a motor, a rotating shaft, a stirring cylinder and stirring paddles; the funnel-shaped guide cylinder is arranged in the stirring barrel; the motor is arranged at the top of the stirring barrel; the power input end of the rotating shaft is connected with the power output end of the motor, and the rotating shaft penetrates through the funnel-shaped guide cylinder; the stirring cylinder and the stirring paddle are arranged on the rotating shaft, and the stirring paddle is positioned at one side far away from the funnel-shaped guide cylinder; the stirring cylinder is of a concave structure, and a through hole is formed in the stirring cylinder; the stirring paddle is an inner arc-shaped rod, and two ends of the stirring paddle are inner arc-shaped plates; the top of the stirring barrel is provided with a first feeding hole, the side wall of the stirring barrel is provided with a second feeding hole, and the bottom of the stirring barrel is provided with a discharging hole; the second feeding port is positioned above the funnel-shaped guide cylinder, and an included angle between the second feeding port and the side wall of the stirring barrel in the horizontal direction is 30-60 degrees.
2. A device for preparing a fracturing fluid for coal bed gas as claimed in claim 1, wherein the included angle between the generatrix of the funnel-shaped guide cylinder and the central axis of the stirring barrel is 40 ° -65 °.
3. The apparatus for preparing a fracturing fluid of coal bed gas of claim 1, wherein the outer edge of said funnel-shaped guide cylinder is welded to the inner wall of said agitator tank.
4. A device for preparing a coalbed methane fracturing fluid according to any one of claims 1-3, further comprising: a temperature measuring element, a heating element, and a controller; the temperature measuring element and the heating element are uniformly arranged on the side wall of the stirring barrel, and the temperature measuring element and the heating element are positioned below the funnel-shaped guide cylinder; the signal output end of the temperature measuring element is in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input end of the heating element.
5. The apparatus for preparing a fracturing fluid of coal-bed gas of claim 4, wherein said temperature measuring element is a temperature sensor and said heating element is a heating resistance wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320780304.9U CN219815945U (en) | 2023-04-11 | 2023-04-11 | Preparation device of coalbed methane fracturing fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320780304.9U CN219815945U (en) | 2023-04-11 | 2023-04-11 | Preparation device of coalbed methane fracturing fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219815945U true CN219815945U (en) | 2023-10-13 |
Family
ID=88279302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320780304.9U Active CN219815945U (en) | 2023-04-11 | 2023-04-11 | Preparation device of coalbed methane fracturing fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219815945U (en) |
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2023
- 2023-04-11 CN CN202320780304.9U patent/CN219815945U/en active Active
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