Filling device for fracturing fluid mixing
By designing a fracturing fluid mixing device with a guide hopper, a material conveying and mixing assembly, and a drive motor, the problem of uneven mixing was solved, achieving uniform mixing and efficient injection of fracturing fluid, thus improving the performance and injection efficiency of fracturing fluid.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-20
AI Technical Summary
In traditional fracturing fluid mixing devices, uneven mixing can prevent additives from fully mixing with the base fluid, thus affecting the performance stability of the fracturing fluid.
A fracturing fluid mixing and injection device was designed, which includes an injection tank, a guide hopper, a material conveying and mixing assembly, and a drive motor. The drive motor drives the rotating shaft and the arc-shaped scraper to rotate, and combined with the spiral blades and the stirring plate, the fracturing fluid is uniformly mixed and injected.
It achieves uniform mixing and efficient injection of fracturing fluid, improving the performance stability and injection efficiency of fracturing fluid.
Smart Images

Figure CN224009541U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fracturing fluid injection technology, specifically, to a fracturing fluid mixing and injection device. Background Technology
[0002] In the field of oil and gas extraction, fracturing technology is one of the important means to improve oil and gas well production. As a key medium in fracturing technology, the performance and quality of fracturing fluid directly affect the fracturing effect. High-quality fracturing fluid needs to possess characteristics such as good proppant carrying capacity, low friction, and minimal formation damage. To obtain high-performance fracturing fluid, various chemical additives and base fluids need to be precisely mixed to ensure uniform mixing of all components, meeting the requirements of different formation conditions and extraction processes.
[0003] In traditional fracturing fluid mixing devices, the stirring system may have uneven mixing problems. In large mixing tanks, the liquid flows violently in the area near the stirring paddle, while the area far from the stirring paddle has poor fluidity, which causes the additives to not mix fully with the base fluid, affecting the performance stability of the fracturing fluid. Therefore, a fracturing fluid mixing and injection device is proposed. Utility Model Content
[0004] The purpose of this invention is to provide a fracturing fluid mixing and injection device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides a fracturing fluid mixing and dispensing device, including a dispensing tank. Multiple support legs are fixedly connected to the bottom side of the dispensing tank, and these support legs are arrayed around the geometric center point of the bottom side of the dispensing tank. A frustum-shaped guide hopper is fixedly connected to the inner wall of the dispensing tank near the bottom inner wall, and the bottom side of the frustum-shaped guide hopper is fixedly connected to the bottom inner wall of the dispensing tank. A material conveying and mixing assembly is provided inside the dispensing tank. The material conveying and mixing assembly includes a rotating shaft, which is rotatably connected to... A connecting strip is fixedly connected to the outer side of the rotating shaft near the inner wall of the top side of the filling tank at the center position of the top inner wall of the filling tank. An arc-shaped scraper is fixedly connected to the outer side of the filling tank near the bottom end. Arc-shaped scrapers are fixedly connected to both ends of the connecting strip. A fan-shaped connecting plate is fixedly connected to the side of the arc-shaped scraper near the rotating shaft. A limit strip is fixedly connected to one side of the fan-shaped connecting plate. Multiple arc-shaped stirring plates are fixedly connected to the side of the limit strip near the rotating shaft. The multiple arc-shaped stirring plates are arranged in an array.
[0006] As a further improvement of the technical solution, the top side of the filling tank is fixedly connected with a driving motor, the output shaft of the driving motor penetrates the filling tank, and the output shaft of the driving motor is fixedly connected with the top end of the rotating shaft, and the outer side of the rotating shaft is fixedly connected with a spiral blade near the bottom end, and the driving motor drives the rotating shaft to rotate in the filling tank, and drives the connecting strip on the outer side of the rotating shaft to rotate with the arc-shaped scraper.
[0007] As a further improvement of the technical solution, the bottom side of the filling tank is fixedly connected with a circular truncated cone connecting pipe, and the circular truncated cone connecting pipe is in communication with the inside of the filling tank, and the bottom side of the circular truncated cone connecting pipe is fixedly connected with a discharge pipe, and the discharge pipe is in communication with the inside of the circular truncated cone connecting pipe.
[0008] As a further improvement of the technical solution, the top side of the filling tank is fixedly connected with a feeding pipe away from the center, and the feeding pipe is in communication with the inside of the filling tank, and the fracturing fluid is injected into the filling tank through the feeding pipe.
[0009] As a further improvement of the technical solution, the two arc-shaped scrapers are in contact with the inner wall of the filling tank, and the fracturing fluid remaining on the inner wall of the filling tank is scraped off by the two arc-shaped scrapers.
[0010] Compared with the prior art, the utility model has the advantages of:
[0011] In the fracturing fluid mixing and filling device, the driving motor drives the rotating shaft to rotate counterclockwise in the filling tank, and the rotating shaft drives the connecting strip and the arc-shaped scraper to rotate, the connecting strip drives the fan-shaped connecting plates on the inner sides of the two arc-shaped scrapers to rotate, and the fan-shaped connecting plates drive the plurality of arc-shaped stirring plates to rotate in the filling tank, so that the mixing effect of the fracturing fluid can be achieved, and when the rotating shaft drives the spiral blade and the arc-shaped stirring plate to rotate clockwise, the discharging effect can be achieved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0013] Fig. 2 It is the sectional structure schematic diagram of the utility model;
[0014] Fig. 3 It is the structure schematic diagram of the material conveying and mixing assembly of the utility model.
[0015] The meanings of the various reference numerals in the drawings are as follows:
[0016] 1, filling tank; 2, circular truncated cone guiding hopper; 3, material conveying and mixing assembly; 31, rotating shaft; 32, connecting strip; 33, arc-shaped scraper; 34, fan-shaped connecting plate; 35, limiting strip; 36, arc-shaped stirring plate; 37, driving motor; 38, helical blade; 4, circular truncated cone connecting pipe; 5, discharge pipe; 6, feeding pipe. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0018] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Example 1
[0019] Please refer to Figs. 1-3As shown, the embodiment provides a kind of filling device for fracturing fluid mixing, including filling tank body 1, the bottom side of filling tank body 1 is fixedly connected with multiple support feet, multiple support feet are arrayed with the geometric center point of the bottom side of filling tank body 1, by the multiple support feet of being set, filling tank body 1 can be supported, simultaneously, it can avoid that filling device occurs deviation when operating, the inner wall of filling tank body 1 is fixedly connected with circular truncated cone guide hopper 2 close to bottom side inner wall, and the bottom side of circular truncated cone guide hopper 2 is fixedly connected with the bottom side inner wall of filling tank body 1, by the circular truncated cone guide hopper 2 of being set, it can be guided when carrying out fracturing fluid removal, it is convenient for fracturing fluid to remove smoothly, filling tank body 1 is equipped with material conveying and mixing assembly 3, by the material conveying and mixing assembly 3 of being set, fracturing fluid can be stirred and transported, so that fracturing fluid filling tank body 1 is quickly mixed together, material conveying and mixing assembly 3 includes rotating shaft 31, rotating shaft 31 is rotatably connected at the top side inner wall center position of filling tank body 1, the outer side of rotating shaft 31 is fixedly connected with connecting strip 32 close to the top side inner wall position of filling tank body 1, both ends of connecting strip 32 are fixedly connected with arc scraper 33, two arc scrapers 33 are in contact with the inner wall of filling tank body 1, by two arc scrapers 33, the fracturing fluid remaining on the inner wall of filling tank body 1 is scraped, avoid fracturing fluid remaining on the inner wall of filling tank body 1, arc scraper 33 is fixedly connected with fan-shaped connecting plate 34 on the side close to rotating shaft 31, one side of fan-shaped connecting plate 34 is fixedly connected with limit strip 35, multiple arc stirring plates 36 are fixedly connected on the side close to rotating shaft 31 of limit strip 35, multiple arc stirring plates 36 are arrayed, by the multiple arc stirring plates 36 of being set, the effect of fracturing fluid mixing can be increased, driving motor 37 is fixedly installed at the top side center position of filling tank body 1, the output shaft of driving motor 37 penetrates filling tank body 1, and the output shaft of driving motor 37 is fixedly connected with the top end of rotating shaft 31, the outer side of rotating shaft 31 is fixedly connected with helical blade 38 close to bottom end position, by driving motor 37, rotating shaft 31 is rotated in filling tank body 1, simultaneously, connecting strip 32 and arc scraper 33 on the outer side of rotating shaft 31 are rotated, so that the effect of fracturing fluid mixing can be achieved.
[0020] Please refer to Figs. 1-2The bottom side center of the filling tank body 1 is fixedly connected with a circular truncated cone connecting pipe 4, and the circular truncated cone connecting pipe 4 is communicated with the inside of the filling tank body 1, the bottom side of the circular truncated cone connecting pipe 4 is fixedly connected with a discharge pipe 5, and the discharge pipe 5 is communicated with the inside of the circular truncated cone connecting pipe 4, the fracturing fluid is filled into the fracturing truck through the circular truncated cone connecting pipe 4 and the discharge pipe 5, so that the filling effect can be achieved, the top side of the filling tank body 1 is fixedly connected with a feeding pipe 6 away from the center, the feeding pipe 6 is communicated with the inside of the filling tank body 1, and the fracturing fluid is injected into the filling tank body 1 through the feeding pipe 6, and the fracturing fluid is injected into the filling tank body 1 through the feeding pipe 6, so that the worker can inject the fracturing fluid into the filling tank body 1.
[0021] In the specific use of the fracturing fluid mixing and filling device, first, the filling device is fixedly installed on the fracturing truck, and then the power supply of the filling device is connected, the fracturing fluid is injected into the filling tank body 1 through the feeding pipe 6, the driving motor 37 drives the rotating shaft 31 to rotate counterclockwise in the filling tank body 1, and the rotating shaft 31 drives the connecting strip 32 and the arc-shaped scraper 33 to rotate, the connecting strip 32 drives the fan-shaped connecting plates 34 on the inner sides of the two arc-shaped scrapers 33 to rotate, and the fan-shaped connecting plates 34 drive the plurality of arc-shaped stirring plates 36 to rotate in the filling tank body 1 through the limiting strips 35, so that the mixing effect of the fracturing fluid can be achieved, and when the rotating shaft 31 drives the helical blade 38 and the arc-shaped stirring plate 36 to rotate clockwise, the fracturing fluid is filled into the fracturing truck through the circular truncated cone connecting pipe 4 and the discharge pipe 5, so that the filling effect can be achieved.
[0022] The basic distance, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model, and various changes and improvements of the utility model fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A fracturing fluid mixing and injection device, comprising an injection tank (1), characterized in that: The bottom side of the filling tank (1) is fixedly connected to multiple support legs, which are arrayed around the geometric center point of the bottom side of the filling tank (1). A frustum-shaped guide hopper (2) is fixedly connected to the inner wall of the filling tank (1) near the bottom inner wall, and the bottom side of the frustum-shaped guide hopper (2) is fixedly connected to the bottom inner wall of the filling tank (1). The filling tank (1) is provided with a material conveying and mixing assembly (3), which includes a rotating shaft (31) that is rotatably connected to the center of the top inner wall of the filling tank (1). A connecting strip (32) is fixedly connected to the outer side of the rotating shaft (31) near the top inner wall of the filling tank (1). Both ends of the connecting strip (32) are fixedly connected to arc-shaped scrapers (33). A fan-shaped connecting plate (34) is fixedly connected to the side of the arc-shaped scraper (33) near the rotating shaft (31). A limiting strip (35) is fixedly connected to one side of the fan-shaped connecting plate (34). A plurality of arc-shaped stirring plates (36) are fixedly connected to the side of the limiting strip (35) near the rotating shaft (31). The plurality of arc-shaped stirring plates (36) are arranged in an array.
2. The fracturing fluid mixing and injection device according to claim 1, characterized in that: A drive motor (37) is fixedly installed at the center of the top side of the filling tank (1). The output shaft of the drive motor (37) passes through the filling tank (1) and is fixedly connected to the top of the rotating shaft (31). A spiral blade (38) is fixedly connected to the outside of the rotating shaft (31) near the bottom. The drive motor (37) drives the rotating shaft (31) to rotate inside the filling tank (1), and at the same time drives the connecting strip (32) and the arc scraper (33) on the outside of the rotating shaft (31) to rotate.
3. The fracturing fluid mixing and injection device according to claim 1, characterized in that: A frustum-shaped connecting pipe (4) is fixedly connected to the center of the bottom side of the filling tank (1), and the frustum-shaped connecting pipe (4) is connected to the interior of the filling tank (1). A discharge pipe (5) is fixedly connected to the bottom side of the frustum-shaped connecting pipe (4), and the discharge pipe (5) is connected to the interior of the frustum-shaped connecting pipe (4).
4. The fracturing fluid mixing and injection device according to claim 1, characterized in that: A feed pipe (6) is fixedly connected to the top side of the filling tank (1) away from the center. The feed pipe (6) is connected to the inside of the filling tank (1) and fracturing fluid is injected into the filling tank (1) through the feed pipe (6).
5. The fracturing fluid mixing and injection device according to claim 1, characterized in that: The two arc-shaped scrapers (33) come into contact with the inner wall of the filling tank (1) and scrape off the residual fracturing fluid on the inner wall of the filling tank (1) through the two arc-shaped scrapers (33).