Petroleum fracturing fluid mixing device

Abstract

The utility model provides a petroleum fracturing fluid mixing device which comprises a mixing box, one side of the mixing box is fixedly connected with supporting legs, the other side of the mixing box is communicated with a feeding groove, the top of the mixing box is provided with a flushing mechanism, the bottom of the mixing box is communicated with a discharging pipe, the outer side of the discharging pipe is provided with a discharging valve, and the discharging valve is connected with the feeding groove. The flushing mechanism is used for cleaning residues in the mixing box and comprises a water tank arranged at the top of the mixing box, a water pump is arranged at the top of the water tank, the water pumping end of the water pump communicates with a water pumping pipe, and a water conveying pipe is arranged at the drainage end of the water pump. The petroleum fracturing fluid mixing device provided by the utility model solves the problems that some existing petroleum fracturing fluid mixing devices do not have the function of automatically cleaning the interior of the mixing box, so that part of materials adhered to the inner wall of the mixing box need to be cleaned manually, time and labor are wasted, and the workload of personnel is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing equipment, in particular to a petroleum fracturing fluid mixing device. Background Art

[0002] In the process of oil and gas field development, fracturing operation is the most common way to increase production. In this process, the preparation quality of fracturing fluid is an important factor to ensure the success of fracturing operation. Fracturing fluid is mainly composed of guar gum powder and base fluid mixed in a certain proportion. The viscosity and uniformity of the mixture are the main criteria for judging the quality of fracturing fluid. At present, in the field of petroleum and petrochemicals, fracturing fluid is mainly mixed by stirring. After mixing, it is transported to the fracturing site by tank trucks for construction operations.

[0003] According to the utility model patent with the announcement number: CN215540450U, a mixing device for fracturing fluid for petroleum exploration and production is disclosed, which relates to the technical field of mixing equipment. Its beneficial effects are: it is convenient to break up the agglomerated powder at the feed while stirring and mixing, and it is convenient to stir and turn the material up and down synchronously while stirring and mixing, and can realize the functions of crushing, stirring and turning the material synchronously with a single drive. Through the coordination of crushing, stirring and turning the material, the mixing uniformity during mixing can be effectively improved, the generation of powder clumps can be reduced, and it is convenient for use.

[0004] After the device is used, it is usually necessary to clean its interior to prevent the residue inside the device from mixing with new materials when it is used next time. Since the above technology does not have the function of automatic cleaning inside the mixing box, some materials stick to the inner wall of the mixing box and need to be cleaned manually, which is not only time-consuming and labor-intensive, but also increases the workload of personnel, and there are certain usage defects.

[0005] Therefore, it is necessary to provide a new petroleum fracturing fluid mixing device to solve the above technical problems. Utility Model Content

[0006] The purpose of the utility model is to provide a petroleum fracturing fluid mixing device to solve the problems raised in the above background technology.

[0007] The utility model provides a petroleum fracturing fluid mixing device, comprising a mixing box, one side of the mixing box is fixedly connected with a supporting leg, the other side of the mixing box is connected with a feeding trough, the top of the mixing box is provided with a flushing mechanism, the bottom of the mixing box is connected with a discharge pipe, the outer side of the discharge pipe is provided with a discharge valve, and the flushing mechanism is used to clean the residue in the mixing box.

[0008] In order to achieve the effect of automatically cleaning the inside of the mixing box, the utility model provides a petroleum fracturing fluid mixing device, preferably, the flushing mechanism includes a water tank arranged on the top of the mixing box, a water pump is arranged on the top of the water tank, the water suction end of the water pump is connected to a water suction pipe, the water discharge end of the water pump is arranged with a water supply pipe, one end of the water supply pipe passes through the top of the mixing box and is connected to a connecting pipe, the outer side of the connecting pipe is connected to a shunt pipe, and the outer side of the shunt pipe is provided with a flushing head.

[0009] In order to achieve the effect of intercepting blocky powder, the utility model provides a petroleum fracturing fluid mixing device. Preferably, the inside of the feeding tank is fixedly connected with connecting rods, and the number of the connecting rods is seven.

[0010] In order to achieve the effect of crushing blocky powder, the utility model provides a petroleum fracturing fluid mixing device. Preferably, an electric cylinder is provided on one side of the feeding tank, and a push rod of the electric cylinder is fixedly connected to an extrusion plate.

[0011] In order to achieve the effect of stirring guar gum powder and base liquid, the utility model provides a petroleum fracturing fluid mixing device. Preferably, a motor is provided at the bottom of the mixing box, the output shaft of the motor is fixedly connected to a connecting shaft, and a stirring blade is fixedly connected to the outer side of the connecting shaft.

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

[0013] The petroleum fracturing fluid mixing device realizes the purpose of automatically cleaning the inside of the mixing box by arranging a flushing mechanism, avoids manual operation, and reduces the workload of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a petroleum fracturing fluid mixing device provided by the utility model;

[0015] Figure 2 It is a structural schematic diagram of the flushing mechanism in the utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure between the electric cylinder and the extrusion plate in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connecting rod and the stirring blade in the utility model.

[0018] Numbers in the figure: 1. Mixing box; 2. Support legs; 3. Feeding trough; 4. Flushing mechanism; 41. Water tank; 42. Water pump; 43. Suction pipe; 44. Water pipe; 45. Connecting pipe; 46. Diverter pipe; 47. Flushing head; 5. Discharge pipe; 6. Discharge valve; 7. Connecting rod; 8. Electric cylinder; 9. Extrusion plate; 10. Motor; 11. Connecting shaft; 12. Stirring blade. DETAILED DESCRIPTION

[0019] 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 of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the utility model. It is understandable that the drawings are only provided for reference and illustration, and are not used to limit the utility model. The connection relationship shown in the drawings is only for the convenience of clear description and does not limit the connection method.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a petroleum fracturing fluid mixing device provided by the utility model; Figure 2 It is a structural schematic diagram of the flushing mechanism in the utility model; Figure 3 This is a schematic diagram of the connection structure between the electric cylinder and the extrusion plate in the utility model;

[0021] Figure 4 A petroleum fracturing fluid mixing device includes a mixing box 1, one side of the mixing box 1 is fixedly connected to a support leg 2, the other side of the mixing box 1 is connected to a feeding trough 3, a flushing mechanism 4 is arranged on the top of the mixing box 1, a discharge pipe 5 is connected to the bottom of the mixing box 1, a discharge valve 6 is arranged on the outside of the discharge pipe 5, and the flushing mechanism 4 is used to clean the residue in the mixing box 1.

[0022] It should be noted that: guar gum powder and base liquid are poured into the mixing box 1 from the feeding tank 3. After mixing, the discharge valve 6 is opened to discharge the fracturing fluid from the discharge pipe 5, and then the flushing mechanism 4 is started to flush the residues adhering to the inner wall of the mixing box 1. No manual operation is required, which reduces the workload of personnel.

[0023] In the specific implementation process, Figure 1 and Figure 2As shown, the flushing mechanism 4 includes a water tank 41 arranged on the top of the mixing box 1, a water pump 42 is arranged on the top of the water tank 41, the water pump end of the water pump 42 is connected with a water pumping pipe 43, one end of the water pumping pipe 43 is connected with the top of the water tank 41, and the water discharge end of the water pump 42 is provided with a water supply pipe 44, one end of the water supply pipe 44 passes through the top of the mixing box 1 and is connected with a connecting pipe 45, the outer side of the connecting pipe 45 is connected with a diversion pipe 46, and the outer side of the diversion pipe 46 is provided with a flushing head 47.

[0024] It should be noted that: start the water pump 42, the water pump 42 pumps out the cleaning water in the water tank 41 through the suction pipe 43, and transports the cleaning water to the connecting pipe 45 through the water supply pipe 44, and then passes through the diversion pipe 46 and finally sprays out from the flushing head 47, thereby cleaning the sticky residues on the inner wall of the mixing box 1, saving time and effort and improving the efficiency of cleaning the mixing box 1.

[0025] refer to Figure 1 and Figure 3 As shown, the interior of the feeding trough 3 is fixedly connected with connecting rods 7, and the number of the connecting rods 7 is seven.

[0026] An electric cylinder 8 is provided on one side of the feeding trough 3 , and a push rod of the electric cylinder 8 is fixedly connected to an extrusion plate 9 .

[0027] It should be noted that: when the guar gum powder is poured into the feeding trough 3, some block-shaped powders can be intercepted under the action of the connecting rod 7. At this time, the electric cylinder 8 is started, and the electric cylinder 8 drives the extrusion plate 9 to move, and the block-shaped powders are pushed to the side wall of the feeding trough 3 through the extrusion plate 9, and then the block-shaped powders can be squeezed into crushed slag, and automatically fall into the mixing box 1. Finally, the base liquid is poured into the mixing box 1 through the feeding trough 3 to mix it with the guar gum powder.

[0028] refer to Figure 1 and Figure 4 As shown, a motor 10 is disposed at the bottom of the mixing box 1 , an output shaft of the motor 10 is fixedly connected to a connecting shaft 11 , and a stirring blade 12 is fixedly connected to the outer side of the connecting shaft 11 .

[0029] It should be noted that: after the guar gum powder and the base liquid are poured into the mixing box 1 in sequence, the motor 10 is then started, the motor 10 drives the connecting shaft 11 to rotate, and the connecting shaft 11 drives the stirring blade 12 to rotate, thereby stirring the guar gum powder and the base liquid.

[0030] The working principle of a petroleum fracturing fluid mixing device provided by the utility model is as follows:

[0031] When in use, pour the guar gum powder into the feeding trough 3, the block powder will be intercepted by the connecting rod 7, start the electric cylinder 8 to drive the extrusion plate 9 to move, crush the block powder, and then pour the base liquid into the feeding trough 3, and start the motor 10 to make the connecting shaft 11 drive the stirring blade 12 to rotate, so as to stir the guar gum powder and the base liquid. After mixing, open the discharge valve 6 to discharge the fracturing fluid from the discharge pipe 5, and finally start the flushing mechanism 4 to clean the sticky residue on the inner wall of the mixing box 1, which saves time and effort and reduces the workload of personnel.

[0032] In the above detailed description, reference is made to the accompanying drawings, which form a part of this document. In the accompanying drawings, similar symbols typically identify similar components unless the context indicates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be used, and other changes may be made, without departing from the spirit or scope of the subject matter presented herein.

[0033] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A petroleum fracturing fluid mixing device, characterized in that: The invention comprises a mixing box (1), one side of the mixing box (1) is fixedly connected to a supporting leg (2), the other side of the mixing box (1) is connected to a feeding trough (3), the top of the mixing box (1) is provided with a flushing mechanism (4), the bottom of the mixing box (1) is connected to a discharge pipe (5), the outer side of the discharge pipe (5) is provided with a discharge valve (6), and the flushing mechanism (4) is used to clean the residue in the mixing box (1).

2. The petroleum fracturing fluid mixing device according to claim 1, characterized in that: The flushing mechanism (4) comprises a water tank (41) arranged on the top of the mixing box (1); a water pump (42) is arranged on the top of the water tank (41); a water pump (42) is connected to a water pumping pipe (43) at the water pumping end of the water pump (42); a water delivery pipe (44) is arranged at the water discharge end of the water pump (42); one end of the water delivery pipe (44) passes through the top of the mixing box (1) and is connected to a connecting pipe (45); the outer side of the connecting pipe (45) is connected to a diversion pipe (46); and a flushing head (47) is arranged on the outer side of the diversion pipe (46).

3. The petroleum fracturing fluid mixing device according to claim 1, characterized in that: The interior of the feeding trough (3) is fixedly connected with connecting rods (7), and the number of the connecting rods (7) is seven.

4. The petroleum fracturing fluid mixing device according to claim 3, characterized in that: An electric cylinder (8) is provided on one side of the feeding trough (3), and a push rod of the electric cylinder (8) is fixedly connected to an extrusion plate (9).

5. The petroleum fracturing fluid mixing device according to claim 2, characterized in that: A motor (10) is arranged at the bottom of the mixing box (1), the output shaft of the motor (10) is fixedly connected to a connecting shaft (11), and a stirring blade (12) is fixedly connected to the outer side of the connecting shaft (11).

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