Fracturing fluid dry powder on-line mixing device for oil and gas exploitation

Abstract

The utility model provides a fracturing fluid dry powder on-line mixing device for oil and gas exploitation, which belongs to the technical field of fracturing fluid dry powder mixing and comprises a mixing drum, and the mixing drum is rotatably connected with a plurality of mixing rods through a rotating shaft; when fracturing fluid dry powder needs to be mixed, the material is added into the stirring barrel, then the first motor drives the rotating shaft and the multiple stirring rods to rotate, the material is mixed, then the stirring barrel can be rotated to rotate between the two connecting frames, and when the rotating shaft rotates, through meshing of a clamping tooth block and a gear, the material can be mixed through the stirring rod. According to the device, materials are mixed through the stirring rod, meanwhile, vibration of the materials is enhanced through rotation of the stirring barrel, and rotation stirring and mixing thoroughness and efficiency of the stirring rod are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fracturing fluid dry powder mixing technical field, specifically relates to an on -line mixing device of fracturing fluid dry powder for oil and gas exploitation. BACKGROUND

[0002] Fracturing fluid dry powder refers to the solid component used for preparing the liquid used in hydraulic fracturing operation. These dry powder additives play different roles in the fracturing process to optimize the formation of the fracture and improve the recovery of oil or natural gas

[0003] The on-line mixing device of fracturring fluid dry powder is a kind of equipment for oil and gas exploitation industry, especially in hydraulic fracturing operation, it is used to mix dry powder additive (such as crosslinking agent, gel breaker, stabilizer etc.) with liquid (usually water) on site to form the required fracturing fluid, when mixing and mixing of fracturing fluid dry powder is needed, it is usually stirred and mixed by three-dimensional roller, but the existing mixing mode is single, and cannot be fully and completely mixed and mixed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an on-line mixing device of fracturing fluid dry powder for oil and gas exploitation, to solve the problems existing in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An on-line mixing device of fracturing fluid dry powder for oil and gas exploitation, comprising:

[0007] The stirring barrel is rotatably connected with a plurality of stirring rods by a rotating shaft;

[0008] The first motor is fixedly connected to the upper end of the stirring barrel, and the output shaft of the first motor is fixedly connected to the upper end of the rotating shaft;

[0009] Two groups of angle adjusting mechanisms, each group of angle adjusting mechanism is composed of connecting frame, gear, rotating shaft, clamping tooth block, two mounting blocks and two springs, the connecting frame is rotatably connected to the circumferential surface of the stirring barrel by the rotating shaft, the gear is fixedly connected to the circumferential surface of the rotating shaft, the clamping tooth block is rotatably connected to one end of the connecting frame by a rotating rod, two mounting blocks are fixedly connected to one end of the connecting frame, two springs are fixedly connected to the end close to the two ends of the clamping tooth block respectively;And

[0010] The brake mechanism is connected to one side of the connecting frame, and it is used to control the swing of the clamping tooth block.

[0011] As a preferred scheme of the utility model, the brake mechanism is composed of two swing blocks, stabilizing blocks, lead screws, lead screw nuts, moving blocks, fastening rods and plug-in grooves, the swing blocks are fixedly connected to the lower ends of the clamping tooth blocks, the plug-in grooves are arranged at the lower ends of the swing blocks, the stabilizing blocks are fixedly connected to one end of the connecting frame, the lead screws are rotatably connected to the proximal ends of the stabilizing blocks, the lead screw nuts are threadedly connected to the circumferential surfaces of the lead screws, the moving blocks are fixedly connected to one end of the lead screw nuts, and the fastening rods are fixedly connected to the upper ends of the moving blocks.

[0012] As a preferred scheme of the utility model, two locating blocks are fixedly connected to one end of the connecting frame, the proximal ends of the locating blocks are fixedly connected to limiting rods, one end of the lead screw nut is fixedly connected to a limiting ring, and the limiting ring is slidably connected to the circumferential surface of the limiting rod.

[0013] As a preferred scheme of the utility model, the lower end of one of the stabilizing blocks is fixedly connected to a second motor, and the output end of the second motor is fixedly connected to the lead screw.

[0014] As a preferred scheme of the utility model, the upper and lower ends of the stirring drum are fixedly connected to access pipes, and one end of the access pipes is fixedly connected to a connecting flange.

[0015] As a preferred scheme of the utility model, one end of the rotating shaft is provided with a fastening block, and the circumferential surfaces of the access pipes are provided with valves.

[0016] As a preferred scheme of the utility model, the lower end of the connecting frame is fixedly connected to a placing plate, the lower end of the placing plate is fixedly connected to a plurality of foot pads, and the other end of the rotating shaft is provided with a cross groove.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. In the scheme, when the fracturing fluid dry powder needs to be mixed, the material is added into the stirring drum, then the rotating shaft and the plurality of stirring rods are driven to rotate by the first motor to mix the material, then the stirring drum can be rotated between the two connecting frames, when the rotating shaft rotates, the rotating angle of the gear, the rotating shaft and the stirring drum is controlled through the meshing of the clamping tooth block and the gear, the material is mixed by the stirring rod, the material is shaken by the rotation of the stirring drum, the rotation and mixing of the stirring rod are improved, and the mixing is thorough and efficient.

[0019] 2. In the scheme, when the lead screw nut moves, the limiting ring can slide on the circumferential surface of the limiting rod, the vertical movement stability of the lead screw nut is improved, the use rationality of the device is improved, and the lead screw nut is prevented from rotating with the rotation of the lead screw. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a front perspective view of the present invention;

[0022] Figure 2 In this utility model Figure 1 A magnified view of a section at point A in the middle;

[0023] Figure 3 This is a side sectional perspective view of the present invention;

[0024] Figure 4 In this utility model Figure 4 A magnified view of a section at point B in the middle.

[0025] Figure 5 This is a perspective view of the main cross-section of this utility model;

[0026] Figure 6 This is a rear-view perspective view of the present invention.

[0027] In the diagram: 1. Stirring drum; 2. First motor; 3. Valve; 4. Inlet pipe; 5. Gear; 6. Connecting frame; 7. Placement plate; 8. Foot pad; 9. Fastening block; 10. Mounting block; 11. Spring; 12. Snap-fitting tooth block; 13. Placement block; 14. Limiting rod; 15. Limiting ring; 16. Stabilizing block; 17. Second motor; 18. Lead screw nut; 19. Lead screw; 20. Moving block; 21. Fastening rod; 22. Cross groove; 23. Stirring rod; 24. Swinging block; 25. Insertion groove. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1

[0030] Please see Figures 1-6 The present invention provides the following technical solution:

[0031] An online mixing device for fracturing fluid dry powder in oil and gas development includes:

[0032] The stirring drum 1 is rotatably connected with a plurality of stirring rods 23 through a rotating shaft;

[0033] The first motor 2 is fixedly connected to the upper end of the stirring drum 1, and the output shaft of the first motor 2 is fixedly connected to the upper end of the rotating shaft;

[0034] Each angle adjusting mechanism is composed of a connecting frame 6, a gear 5, a rotating shaft, a clamping tooth block 12, two mounting blocks 10 and two springs 11. The connecting frame 6 is rotatably connected to the circumferential surface of the stirring drum 1 through the rotating shaft. The gear 5 is fixedly connected to the circumferential surface of the rotating shaft. The clamping tooth block 12 is rotatably connected to one end of the connecting frame 6 through a rotating rod. The two mounting blocks 10 are fixedly connected to one end of the connecting frame 6. The two springs 11 are fixedly connected to the two ends of the clamping tooth block 12 and the two ends of the two springs 11, respectively; and

[0035] The brake mechanism is connected to one side of the connecting frame 6, and is used to control the swing of the clamping tooth block 12.

[0036] The brake mechanism is composed of two swing blocks 24, a stabilizing block 16, a lead screw 19, a lead screw nut 18, a moving block 20, a fastening rod 21 and a plug-in groove 25. The swing block 24 is fixedly connected to the lower end of the clamping tooth block 12. The plug-in groove 25 is opened in the lower end of the swing block 24. The two stabilizing blocks 16 are fixedly connected to one end of the connecting frame 6. The lead screw 19 is rotatably connected to the two ends of the two stabilizing blocks 16. The lead screw nut 18 is threadedly connected to the circumferential surface of the lead screw 19. The moving block 20 is fixedly connected to one end of the lead screw nut 18. The fastening rod 21 is fixedly connected to the upper end of the moving block 20.

[0037] In the embodiment of the utility model, when the fracturing fluid dry powder needs to be mixed, the material is added into the stirring cylinder 1, then the first motor 2 drives the rotating shaft and the plurality of stirring rods 23 to rotate, the material is mixed and treated, then the stirring cylinder 1 can also be rotated to rotate between the two connecting frames 6, when the rotating shaft rotates, the engaging tooth block 12 and the gear 5 are engaged, the rotating angle of the gear 5, the rotating shaft and the stirring cylinder 1 is controlled, the engaging tooth block 12 can always be engaged with the gear 5 through the two springs 11, when the rotating angle of the stirring cylinder 1 needs to be fixed, the second motor 17 is started to drive the lead screw 19 to rotate, then the lead screw nut 18 threadedly connected to the circumferential surface of the lead screw 19 moves, drives the moving block 20 and the fastening rod 21 to move upwards, the fastening rod 21 is inserted into the insertion groove 25, the swinging block 24 is inserted, the engaging tooth block 12 is prevented from swinging, the engaging tooth block 12 is fixed, the gear 5 engaged with the engaging tooth block 12 can also be fixed, the rotating shaft is fixed, the rotating angle of the stirring cylinder 1 is fixed, the stirring cylinder 1 can be stopped in time, the device mixes the material through the stirring rod 23, and the material is shaken through the rotation of the stirring cylinder 1, the rotating stirring and mixing of the stirring rod 23 are improved, and the efficiency is improved, it needs to be explained that the first motor 2 and the second motor 17 are selected by the person skilled in the art, and the above first motor 2 and second motor 17 all belong to the prior art, and the scheme is not described in detail.

[0038] For details, please refer to Figure 2 One end of the connecting frame 6 is fixedly connected with two placement blocks 13, the proximal ends of the two placement blocks 13 are fixedly connected with a limiting rod 14, one end of the lead screw nut 18 is fixedly connected with a limiting ring 15, the limiting ring 15 is slidably connected to the circumferential surface of the limiting rod 14, the lower end of one of the stabilizing blocks 16 is fixedly connected with the second motor 17, and the output end of the second motor 17 is fixedly connected with the lead screw 19.

[0039] In the embodiment, when the lead screw nut 18 moves, the limiting ring 15 can slide on the circumferential surface of the limiting rod 14, the vertical movement stability of the lead screw nut 18 is improved, and the use rationality of the device is improved.

[0040] For details, please refer to Figure 2 The upper and lower ends of the stirring cylinder 1 are fixedly connected with access pipes 4, one end of each of the two access pipes 4 is fixedly connected with a connecting flange, one end of the rotating shaft is provided with a fastening block 9, the circumferential surfaces of the two access pipes 4 are provided with valves 3, the lower end of the connecting frame 6 is fixedly connected with a placement plate 7, the lower end of the placement plate 7 is fixedly connected with a plurality of foot pads 8, and the other end of the rotating shaft is provided with a cross slot 22.

[0041] In this embodiment: through two access pipe 4 can make stirring drum 1 and external conveying device and unloading device connection, through the connecting flange can improve the connection of two access pipe 4 and external device tightness, through the placement plate 7 can stably place the device, through a plurality of foot pads 8 can improve the placement stability of the placement plate 7, through the cross slot 22 can facilitate the connection of the rotating shaft and the external driving device, through the fastening block 9 can improve the connection tightness of the rotating shaft and the gear 5.

[0042] The working principle and use process of the utility model: when it is needed to mix the fracturing fluid dry powder, the material is added into the stirring drum 1, then the rotating shaft and the plurality of stirring rods 23 are driven to rotate by the first motor 2, the material is mixed and treated, then the stirring drum 1 can also be rotated between the two connecting frames 6, when the rotating shaft rotates, the rotating angle of the gear 5, the rotating shaft and the stirring drum 1 are controlled through the engagement of the clamping tooth block 12 and the gear 5, the clamping tooth block 12 can always be kept in engagement with the gear 5 through the two springs 11, when it is needed to fix the rotating angle of the stirring drum 1, the second motor 17 is started to drive the lead screw 19 to rotate, then the lead screw nut 18 connected with the circumferential surface of the lead screw 19 moves, drives the moving block 20 and the fastening rod 21 to move upwards, the fastening rod 21 is inserted into the insertion groove 25, the swing block 24 is inserted, the clamping tooth block 12 is prevented from swinging, so that the clamping tooth block 12 is fixed, the gear 5 engaged with the clamping tooth block 12 can also be fixed, so that the rotating shaft is fixed, the rotating angle of the stirring drum 1 is fixed, the stirring drum 1 can be stopped in time, the device mixes the material through the stirring rod 23, and the material is shaken through the rotation of the stirring drum 1, so that the rotation and mixing of the stirring rod 23 are thorough and efficient.

[0043] Finally, it should be noted that: the above only for preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An on-line mixing device for dry powder of fracturing fluid for oil and gas exploitation, characterized in that, Include: The stirring drum (1) is rotatably connected with a plurality of stirring rods (23) through the rotating shaft; The first motor (2) is fixedly connected to the upper end of the stirring drum (1), and the output shaft of the first motor (2) is fixedly connected to the upper end of the rotating shaft; Two sets of angle adjusting mechanisms, each set of angle adjusting mechanism is composed of connecting frame (6), gear (5), rotating shaft, clamping tooth block (12), two mounting blocks (10) and two springs (11), the connecting frame (6) is rotatably connected to the circumferential surface of the stirring drum (1), the gear (5) is fixedly connected to the circumferential surface of the rotating shaft, the clamping tooth block (12) is rotatably connected to one end of the connecting frame (6), two mounting blocks (10) are fixedly connected to one end of the connecting frame (6), two springs (11) are fixedly connected to the two ends of the clamping tooth block (12) respectively; and The brake mechanism is connected to one side of the connecting frame (6), which is used to control the swing of the clamping tooth block (12).

2. The fracturing fluid dry powder online mixing device for oil and gas exploitation according to claim 1, characterized in that, The brake mechanism is composed of two swing blocks (24), a stabilizing block (16), a lead screw (19), a lead screw nut (18), a moving block (20), a fastening rod (21) and a plug-in slot (25), the swing block (24) is fixedly connected to the lower end of the clamping tooth block (12), the plug-in slot (25) is provided in the lower end of the swing block (24), two stabilizing blocks (16) are fixedly connected to one end of the connecting frame (6), the lead screw (19) is rotatably connected to the two ends of the stabilizing block (16), the lead screw nut (18) is threadedly connected to the circumferential surface of the lead screw (19), the moving block (20) is fixedly connected to one end of the lead screw nut (18), and the fastening rod (21) is fixedly connected to the upper end of the moving block (20).

3. The fracturing fluid dry powder online mixing device for oil and gas exploitation of claim 2, characterized in that, One end of the connecting frame (6) is fixedly connected with two placement blocks (13), the two ends of the two placement blocks (13) are fixedly connected with a limiting rod (14), one end of the lead screw nut (18) is fixedly connected with a limiting ring (15), and the limiting ring (15) is slidably connected to the circumferential surface of the limiting rod (14).

4. The fracturing fluid dry powder online mixing device for oil and gas exploitation of claim 3, characterized in that, The lower end of one of the stabilizing blocks (16) is fixedly connected with a second motor (17), and the output end of the second motor (17) is fixedly connected with the lead screw (19).

5. The on-line mixing device for dry powder of fracturing fluid of oil and gas exploitation according to claim 4, characterized in that, The upper and lower ends of the stirring drum (1) are fixedly connected with access pipes (4), and one end of each of the two access pipes (4) is fixedly connected with a connecting flange.

6. The on-line mixing device for dry powder of fracturing fluid of oil and gas exploitation according to claim 5, characterized in that, One end of the rotating shaft is provided with a fastening block (9), and the circumferential surface of each of the two access pipes (4) is provided with a valve (3).

7. The on-line mixing device for dry powder of fracturing fluid of oil and gas exploitation according to claim 6, characterized in that, The lower end of the connecting frame (6) is fixedly connected with a placement plate (7), the lower end of the placement plate (7) is fixedly connected with a plurality of foot pads (8), and the other end of the rotating shaft is provided with a cross slot (22).

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