Preparation tank for slickwater fracturing fluid

Abstract

The utility model discloses a preparation tank for slickwater fracturing fluid, which belongs to the technical field of slickwater fracturing fluid and comprises a preparation tank body, a rotating part for driving is mounted in the body, a plurality of feeding pipes for supplying different raw materials are mounted at the top of the body, a liquid outlet pipe for leading out a solution is mounted at the bottom of the body, and the rotating part is mounted at the bottom of the body. A driving assembly for driving is mounted at the top of the body, a stirring assembly for preparing and mixing is mounted on the outer side of the rotating part, and the rotating part can be driven by the driving assembly to rotate in a reciprocating manner, so that the rotating part drives the stirring assembly to stir and mix in a reciprocating manner; the problems that in the existing solution preparing and mixing process, a solution is prone to layering, consequently, the solution is mixed insufficiently, residues are prone to occurring when the solution is guided out through existing equipment, the solution scraping and cleaning effect is poor, the solution is prone to being wasted, and the sufficiency and practicability of the equipment on solution mixing and preparing are affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of slick water fracturing fluid, in particular to a preparation tank for slick water fracturing fluid. Background Art

[0002] Slippery water is a fracturing fluid system for hydraulic fracturing of shale oil and gas reservoirs. It is one of the key liquids in shale gas development. Compared with traditional gel fracturing fluid systems, slippery water fracturing fluid systems are widely used in shale gas development due to their high efficiency and low cost. Slippery water fracturing fluid is a chemical liquid used to enhance well walls and oil and gas field exploitation. It is composed of a variety of chemical substances. In oil and gas field exploitation, slippery water fracturing fluid is injected into the borehole to fracture the rock under high pressure, thereby increasing the permeability of the oil and gas field. The formula of slippery water fracturing fluid is very important because different oil and gas fields require different formulas to ensure the best fracturing effect.

[0003] The existing solution preparation and mixing process usually adopts a single-layer stirring structure, which makes the solution easy to stratify, resulting in insufficient solution mixing. In addition, the existing equipment is prone to residue when exporting the solution, and the scraping and cleaning effect of the solution is not good, which easily causes waste of solution and affects the adequacy and practicality of the equipment in mixing and preparing the solution. Therefore, those skilled in the art provide a preparation tank for slick water fracturing fluid to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a preparation tank for slick water fracturing fluid to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preparation tank for slick water fracturing fluid, comprising a preparation tank body, a rotating member for driving is installed in the body, a plurality of feed pipes for supplying different raw materials are installed on the top of the body, a liquid outlet pipe for leading out the solution is installed at the bottom of the body, and a valve for control is installed inside the liquid outlet pipe;

[0006] A driving assembly for driving is installed on the top of the main body, a stirring assembly for preparing and mixing is installed on the outside of the rotating member, and multiple cleaning assemblies arranged in a circle for cleaning are installed on the outside of the stirring assembly. The cleaning assembly also includes a mounting plate installed around the bottom of the rotating member, a stirring frame for supporting is installed on one side of the mounting plate, a scraper bar for cleaning is installed on one side of the stirring frame, the rotating member is fixedly connected to the mounting plate, and the cross-section of the scraper bar is arc-shaped.

[0007] Preferably: the stirring assembly includes a fixed plate installed on the outside of the rotating part, two groups of circumferentially arranged fixed rods are installed at the bottom of the fixed plate, and a stirring plate for stirring is installed at the bottom of the fixed plate and outside the fixed rods, the two groups of fixed rods are arranged inside and outside, and the stirring plate is spiral.

[0008] Preferably: the stirring assembly also includes a plurality of support rods installed on the outside of the rotating part and arranged in a circle near the top, two stirring rods are installed at the bottom of the support rods, four cross rods are installed at the middle and upper part of the inner wall of the main body, a vertical rod is installed on the top of the cross rod, a plurality of first stirring columns are evenly arranged respectively installed on both sides of the stirring rod, a plurality of second stirring columns are evenly arranged respectively installed on both sides of the vertical rod, the vertical rod is located between the two stirring rods, and the first stirring column and the second stirring column are staggered.

[0009] Preferably, the cleaning assembly comprises four mounting rods mounted on the bottom of the fixed plate, a connecting frame is mounted on the outer side of the mounting rods, a scraper is mounted on one side of the connecting frame, and the cross-section of the connecting frame is U-shaped.

[0010] Preferably: the driving assembly includes a cylinder installed on the top of the body for providing power, a push rod for driving is installed at one end of the cylinder, a rack is installed at one end of the push rod, a gear for connection is installed on the top of the rotating part, and the rack is meshed with the gear.

[0011] Preferably, a plurality of evenly arranged mixing rods are mounted on the other side of the mounting plate, and the cross-section of the mixing rods is L-shaped.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, by setting a rotating part, multiple feeding pipes can supply different raw materials separately, so as to accurately control the different injection amounts of different raw materials. The driving component can drive the rotating part to rotate back and forth, so that the rotating part drives the stirring component to stir and mix back and forth. At the same time, the rotating part can clean the residual solution on the inner wall of the body by the cleaning component, thereby improving the sufficiency and practicality of the equipment for preparing and mixing the solution.

[0014] 2. In the utility model, by setting a fixed disk, a fixed rod and a cross bar, the rotating member can drive the fixed disk to rotate back and forth, the fixed disk can swing and disperse the solution, the rotating member can drive the two stirring plates to rotate back and forth through two groups of fixed rods, and then the fixed rod and the stirring plates stir and mix different raw material solutions, and at the same time the rotating member can drive the support rod to rotate, and the support rod moves relative to the cross bar. At this time, the support rod drives multiple first stirring columns to rotate relative to the second stirring column through the two stirring rods, so that the first stirring column and the second stirring column fully stir and mix the solution, avoid stratification of the solution, and improve the adequacy of the equipment in mixing the solution.

[0015] 3. In the utility model, by setting a mounting rod, a scraper bar and a scraper plate, the rotating member drives the mounting rod to rotate through a fixed plate, and then the mounting rod drives the scraper bar to rotate on the inner wall of the main body through a connecting frame, and then the scraper bar scrapes and cleans the solution retained on the inner wall of the main body. At the same time, the rotating member drives the scraper bar on one side of the stirring plate to rotate through the mounting plate, and the scraper bar can scrape and clean the residual solution on the inner wall of the bottom of the main body to avoid the solution residue being difficult to clean or causing waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0018] Figure 3 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point B in the middle;

[0020] Figure 5 The overall structure of the utility model Figure 2 Enlarged view of point C in the middle;

[0021] Figure 6 It is a schematic structural diagram of the rotating part, the fixed disk, the fixed rod and the stirring plate in the overall structure of the utility model.

[0022] In the figure: 1. main body; 2. rotating part; 3. feed pipe; 4. liquid outlet pipe; 5. fixed plate; 6. fixed rod; 7. stirring plate; 8. support rod; 9. stirring rod; 10. cross bar; 11. vertical rod; 12. first stirring column; 13. second stirring column; 14. mounting rod; 15. connecting frame; 16. scraper; 17. mounting plate; 18. stirring frame; 19. scraper; 20. cylinder; 21. push rod; 22. rack; 23. gear; 24. mixing rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 to Figure 6 In an embodiment of the utility model, a preparation tank for slick water fracturing fluid comprises a body 1 of the preparation tank, a rotating member 2 for driving is installed in the body 1, a plurality of feed pipes 3 for supplying different raw materials are installed on the top of the body 1, a liquid outlet pipe 4 for guiding out the solution is installed at the bottom of the body 1, a valve for controlling is installed on the inner side of the liquid outlet pipe 4, a driving assembly for driving is installed on the top of the body 1, a stirring assembly for preparing and mixing is installed on the outer side of the rotating member 2, a plurality of cleaning assemblies arranged in a circle for cleaning are installed on the outer side of the stirring assembly, the cleaning assembly comprises four mounting rods 14 mounted on the bottom of a fixed plate 5, a connecting frame 15 is installed on the outer side of the mounting rod 14, a scraper 16 is installed on one side of the connecting frame 15, the cleaning assembly also comprises a mounting plate 17 mounted on the four sides of the bottom of the rotating member 2, a stirring frame 18 for supporting is installed on one side of the mounting plate 17, a scraper bar 19 for cleaning is installed on one side of the stirring frame 18, the rotating member 2 is fixedly connected to the mounting plate 17, the scraper bar 19 has an arc cross section, and the connecting frame 15 has a U-shaped cross section.

[0025] When in use, multiple feeding pipes 3 can supply different raw materials separately, so as to accurately control the different injection amounts of different raw materials. The driving component can drive the rotating part 2 to rotate back and forth, so that the rotating part 2 drives the stirring component to stir and mix back and forth. At the same time, the rotating part 2 can clean the residual solution on the inner wall of the main body 1 by the cleaning component, so as to improve the sufficiency and practicality of the equipment for preparing and mixing the solution. The rotating part 2 drives the mounting rod 14 to rotate through the fixed disk 5, and then the mounting rod 14 drives the scraper 19 to rotate on the inner wall of the main body 1 through the connecting frame 15, and then the scraper 19 scrapes and cleans the solution retained on the inner wall of the main body 1. At the same time, the rotating part 2 drives the scraper 19 on one side of the stirring plate 7 to rotate through the mounting plate 17, and the scraper 19 can scrape and clean the residual solution on the inner wall of the bottom of the main body 1 to avoid the residual solution being difficult to clean or causing waste.

[0026] In one embodiment, specifically, the stirring assembly includes a fixed disk 5 installed on the outside of the rotating member 2, two groups of circumferentially arranged fixed rods 6 are installed on the bottom of the fixed disk 5, and a stirring plate 7 for stirring is installed at the bottom of the fixed disk 5 and on the outside of the fixed rods 6. The stirring assembly also includes a plurality of support rods 8 installed on the outside of the rotating member 2 and arranged circumferentially near the top, two stirring rods 9 are installed at the bottom of the support rods 8, four cross bars 10 are installed on the middle and upper part of the inner wall of the main body 1, and a vertical bar 11 is installed on the top of the cross bar 10. A plurality of first stirring columns 12 are evenly arranged on both sides of the stirring rod 9, and a plurality of second stirring columns 13 are evenly arranged on both sides of the vertical rod 11. The vertical rod 11 is located between the two stirring rods 9, the first stirring column 12 and the second stirring column 13 are staggered, the two groups of fixed rods 6 are arranged inside and outside, and the stirring plate 7 is spiral.

[0027] Among them, the fixed disk 5 can swing and disperse the solution, the rotating part 2 can drive the two stirring plates 7 to rotate back and forth through two groups of fixed rods 6, and then the fixed rods 6 and the stirring plates 7 stir and mix different raw material solutions, and at the same time the rotating part 2 can drive the support rod 8 to rotate, and the support rod 8 moves relative to the cross bar 10. At this time, the support rod 8 drives the multiple first stirring columns 12 to rotate relative to the second stirring column 13 through the two stirring rods 9, so that the first stirring column 12 and the second stirring column 13 fully stir and mix the solution to avoid stratification of the solution, thereby improving the adequacy of the equipment in mixing the solution.

[0028] In one embodiment, specifically, the driving assembly includes a cylinder 20 installed on the top of the body 1 for providing power, a push rod 21 for driving is installed at one end of the cylinder 20, a rack 22 is installed at one end of the push rod 21, a gear 23 for connection is installed on the top of the rotating member 2, the rack 22 is meshed with the gear 23, the cylinder 20 can drive the rack 22 to perform telescopic movement through the push rod 21, so that the rack 22 drives the rotating member 2 in the gear 23 to reciprocate, thereby improving the efficiency of the equipment in stirring and mixing the solution, and the model of the cylinder 20 is DFM-20.

[0029] A plurality of evenly arranged mixing rods 24 are mounted on the other side of the mounting plate 17 . The cross section of the mixing rod 24 is L-shaped. The mounting plate 17 can drive the plurality of mixing rods 24 to stir and mix the solution again.

[0030] The working principle of this utility model:

[0031] First, different raw materials are injected into the body 1 through multiple feeding pipes 3, and then the cylinder 20 is started to drive the rack 22 to perform telescopic movement through the push rod 21, and then the rack 22 drives the rotating member 2 in the gear 23 to reciprocate, and then the rotating member 2 drives the fixed disk 5 to reciprocate, and the fixed disk 5 shakes and disperses the solution, and the rotating member 2 drives the two stirring plates 7 to reciprocate through two groups of fixed rods 6, and then the fixed rods 6 and the stirring plates 7 stir and mix the different raw material solutions, and at the same time, the rotating member 2 drives the support rod 8 to rotate, so that the support rod 8 and the cross bar 10 have relative movement, and at this time the support rod 8 drives the multiple first stirring columns 12 relative to the second stirring columns through the two stirring rods 9. 13 rotates, so that the first stirring column 12 and the second stirring column 13 fully stir and mix the solution. After the solution is mixed, the valve is opened to allow the solution to be discharged from the body 1 through the liquid outlet pipe 4. At the same time, the rotating member 2 drives the mounting rod 14 to rotate through the fixed disk 5. At this time, the mounting rod 14 drives multiple mixing rods 24 to stir and mix the solution. Then the mounting rod 14 drives the scraper 19 to rotate on the inner wall of the body 1 through the connecting frame 15, and then the scraper 19 scrapes and cleans the solution retained on the inner wall of the body 1. At the same time, the rotating member 2 drives the scraper 19 on one side of the stirring plate 7 to rotate through the mounting plate 17, and the scraper 19 can scrape and clean the residual solution on the inner wall of the bottom of the body 1.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A preparation tank for slick water fracturing fluid, comprising a preparation tank body (1), characterized in that: A rotating member (2) for driving is installed in the body (1), a plurality of feed pipes (3) for supplying different raw materials are installed on the top of the body (1), a liquid outlet pipe (4) for draining the solution is installed at the bottom of the body (1), and a valve for controlling is installed inside the liquid outlet pipe (4); A driving assembly for driving is installed on the top of the body (1); a stirring assembly for preparing and mixing is installed on the outside of the rotating member (2); a plurality of cleaning assemblies arranged in a circumference are installed on the outside of the stirring assembly; the cleaning assembly also includes a mounting plate (17) mounted on the four sides of the bottom of the rotating member (2); a stirring frame (18) for supporting is installed on one side of the mounting plate (17); a scraper (19) for cleaning is installed on one side of the stirring frame (18); the rotating member (2) is fixedly connected to the mounting plate (17); and the scraper (19) has an arc-shaped cross section.

2. A preparation tank for slick water fracturing fluid according to claim 1, characterized in that: The stirring assembly comprises a fixed disk (5) mounted on the outside of the rotating member (2), two groups of circumferentially arranged fixed rods (6) are mounted on the bottom of the fixed disk (5), and a stirring plate (7) for stirring is mounted on the bottom of the fixed disk (5) and located on the outside of the fixed rods (6), the two groups of fixed rods (6) are arranged inside and outside, and the stirring plate (7) is spiral.

3. A preparation tank for slick water fracturing fluid according to claim 2, characterized in that: The stirring assembly further comprises a plurality of support rods (8) mounted on the outside of the rotating member (2) and arranged in a circumference close to the top, two stirring rods (9) being mounted at the bottom of the support rods (8), four cross rods (10) being mounted at the middle and upper part of the inner wall of the body (1), a vertical rod (11) being mounted at the top of the cross rod (10), a plurality of first stirring columns (12) being evenly arranged being mounted on both sides of the stirring rod (9), a plurality of second stirring columns (13) being evenly arranged being mounted on both sides of the vertical rod (11), the vertical rod (11) being located between the two stirring rods (9), and the first stirring column (12) and the second stirring column (13) being staggered.

4. A preparation tank for slick water fracturing fluid according to claim 2, characterized in that: The cleaning assembly comprises four mounting rods (14) mounted on the bottom of the fixed plate (5), a connecting frame (15) is mounted on the outside of the mounting rods (14), a scraper (16) is mounted on one side of the connecting frame (15), and the cross section of the connecting frame (15) is U-shaped.

5. The preparation tank for slick water fracturing fluid according to claim 1, characterized in that: The driving assembly comprises a cylinder (20) mounted on the top of the body (1) for providing power, a push rod (21) for driving is mounted on one end of the cylinder (20), a rack (22) is mounted on one end of the push rod (21), a gear (23) for connection is mounted on the top of the rotating member (2), and the rack (22) is meshed with the gear (23).

6. A preparation tank for slick water fracturing fluid according to claim 5, characterized in that: A plurality of evenly arranged mixing rods (24) are mounted on the other side of the mounting plate (17), and the cross section of the mixing rods (24) is L-shaped.

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