Petroleum drilling and production slurry mixing device
By designing a mixing device including a mixing assembly and a scraping assembly in the petroleum drilling and production equipment, the problems of uneven mixing of mud and sticking to mud in the inner wall of the barrel in the prior art are solved, and more uniform mixing and more efficient mud utilization are achieved.
Patent Information
- Application Number
- CN202421397002.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-19
AI Technical Summary
In existing petroleum drilling and production equipment, the straight barrel mixing device causes uneven mixing of mud, which easily accumulates at the bottom of the barrel body, and the inner wall of the barrel body is prone to stick to mud, which wastes a lot and affects the next use.
A petroleum drilling and slurry mixing device is designed, including a barrel, a stirring assembly and a scraping assembly. The stirring assembly achieves uniform mixing and on-transporting mud through spiral blades and stirring blades, and the scraping assembly scrapes the mud attached to the inner wall of the barrel through scrapers and scrapers.
Through the design of the spiral blades and stirring blades of the stirring shaft, mud accumulates at the bottom of the barrel, achieving a more uniform mixing; the scraping component effectively scrapes the mud on the inner wall of the barrel, reducing waste and ensuring the effect of next use.
Smart Images
Figure CN222658364U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil drilling equipment, in particular to an oil drilling slurry mixing device. Background Art
[0002] Oil, one of the main objects of geological exploration, is a viscous, dark brown liquid, known as the "blood of industry". Oil is stored in some areas of the upper crust, and its main components are a mixture of various alkanes, cycloalkanes, and aromatic hydrocarbons. Oil extraction refers to the act of digging and extracting oil where oil is stored. In the process of oil extraction, oil and gas flow from the reservoir to the bottom of the well, and then rise from the bottom of the well to the wellhead. In the process of oil drilling, drilling mud is prepared to cool the working drill bit, and the drilling mud is used to carry rock cuttings to the ground.
[0003] In the prior art, a straight barrel mixing device is generally used to mix drilling mud. During mixing, the mud in the barrel tends to accumulate at the bottom of the barrel under its own gravity and is difficult to mix. The mud is mixed unevenly, affecting the drilling work. At the same time, the mud is easily adhered to the inner wall of the barrel, resulting in a large amount of mud waste, and the adhered mud will also affect the next use. Utility Model Content
[0004] The utility model aims to provide a petroleum drilling slurry mixing device to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A petroleum drilling slurry mixing device, comprising a barrel, a cover plate is fixed on the top of the barrel, a motor is installed in the middle of the top of the cover plate, a stirring assembly and a scraping assembly are arranged inside the barrel, the stirring assembly comprises a stirring shaft, the top end of the stirring shaft is fixedly connected to one end of the motor output shaft through a coupling, a spiral blade is fixed on the shaft body of the stirring shaft, stirring blades are fixed symmetrically on both sides of the stirring shaft, and a scraper is fixed at one end of the stirring blades on both sides;
[0007] The scraper assembly includes an annular joint, which is sleeved and fixed on the bottom end of the stirring shaft, and a plurality of bases are evenly fixed around the outer circumference of the annular joint, and one side of the plurality of bases is rotatably connected with a scraper bar through a rotating shaft.
[0008] As a further solution of the utility model: a truncated cone is integrally formed at the bottom of the barrel body, the scraper assembly is arranged above the truncated cone, a plurality of first heating tubes are embedded and installed in the inner wall of the barrel body, a plurality of second heating tubes are embedded and installed inside the truncated cone, and the plurality of first heating tubes are arranged around the barrel body at equal intervals along the circumferential direction of the barrel body.
[0009] As a further solution of the utility model: the stirring shaft is rotatably connected to the middle position of the barrel body, and the bottom end of the stirring shaft is rotatably connected to the top of the truncated table through a bearing seat.
[0010] As a further solution of the utility model: the stirring blade includes a first support rod, a second support rod and a sleeve, the first support rod and the second support rod are respectively slidably inserted into the two ends of the sleeve, the end of the first support rod away from the sleeve is connected and fixed to the stirring shaft, the end of the second support rod away from the sleeve is connected and fixed to the scraper, a spring is arranged in the sleeve, the two ends of the spring are respectively fixedly connected to one end of the first support rod and the second support rod on the corresponding side, and sealing rings are arranged at the connections between the first support rod, the second support rod and the sleeve.
[0011] As a further solution of the utility model: a latch is provided on the annular joint, and the annular joint is sleeved on the bottom end of the stirring shaft and is connected and fixed to the stirring shaft through the latch.
[0012] As a further solution of the utility model: a locking pin is provided on one side of the exterior of each of the plurality of bases corresponding to the rotating shaft, and the locking pin is used to fasten the base and the rotating shaft.
[0013] As a further solution of the utility model: barrel covers are hingedly connected to both ends of the cover plate, and handles are provided on the two barrel covers. A feed port and a water inlet are respectively provided on both sides of the top of the cover plate close to the motor, and a discharge port is provided at the bottom of one side of the barrel body. Valves are provided on the feed port, the water inlet and the discharge port.
[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0015] 1. In the utility model, when the stirring shaft rotates, the spiral blades can continuously transport the mud in the lower layer of the barrel upward to avoid the problem of uneven mixing caused by the accumulation of mud at the bottom of the barrel. Furthermore, the scraper is used to scrape off the mud attached to the inner wall of the barrel to avoid excessive mud residue in the barrel that affects the next use;
[0016] 2. In the utility model, the overall height of the left stirring blade is lower than that of the right stirring blade, and the left stirring blade and the right stirring blade are equally spaced from top to bottom. This design enables the stirring blade to cover more space during stirring. The cross section of the stirring blade at each height after rotating one circle corresponds to the mud at the current height, so that the mud at different heights in the barrel can be stirred, and the mud is stirred and mixed more evenly;
[0017] 3. In the utility model, when the stirring shaft rotates, under the action of centrifugal force, the sleeve and the second support rod slide outward along the length direction of the first support rod, increasing the length of the stirring blade. At this time, the sum of the length of the stirring blade and the thickness of the scraper is equal to the inner diameter of the barrel. After the stirring blade becomes longer, the area that can be stirred increases synchronously, expanding the stirring range and further promoting stirring and mixing. At the same time, after the length of the stirring blade increases, the scraper can be against the inner wall of the barrel, which is conducive to scraping off the mud attached to the inner wall of the barrel. Furthermore, the scraper bar can be rotated by the coordinated use of the base and the rotating shaft, and the angle of the scraper bar can be adjusted so that the scraper bar can be against the upper surface of the truncated table. After the angle of the scraper bar is adjusted, it is fixed by a locking pin, and the mud attached to the surface of the truncated table is stirred by the scraper bar, so that the mud is mixed more evenly;
[0018] 4. In the utility model, the slurry in the barrel can be heated from the four sides and the bottom of the barrel at the same time through a plurality of first heating tubes and a plurality of second heating tubes, so that the slurry is heated more evenly, the molecular activity of the slurry is enhanced after the temperature is increased, the convection is intensified, the slurry flows more smoothly during stirring, and it is beneficial to the stirring and mixing of the slurry. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0020] Figure 1 It is a structural schematic diagram of the utility model.
[0021] Figure 2 It is a structural schematic diagram of the stirring component in the utility model.
[0022] Figure 3 for Figure 2 Enlarged view of point A in the middle.
[0023] Figure 4 It is a structural schematic diagram of the scraper assembly in the utility model.
[0024] Figure 5 It is a schematic diagram of the connection structure between the scraper strip and the base in the scraper assembly.
[0025] Figure 6 It is a side structural cross-sectional view of the circular table in the utility model.
[0026] Figure 7 It is a top view of the structure section of the barrel body in the utility model.
[0027] Figure markings: 1-barrel body, 101-first heating tube, 2-stirring assembly, 21-stirring shaft, 22-spiral blade, 23-stirring blade, 231-first support rod, 232-second support rod, 233-sleeve, 234-spring, 235-sealing ring, 24-scraper, 25-bearing seat, 3-scraper assembly, 31-annular joint, 32-base, 33-scraper bar, 34-latch, 35-rotating shaft, 36-locking pin, 4-table, 41-second heating tube, 5-barrel cover, 6-feed port, 7-motor, 8-handle, 9-water inlet, 10-cover plate, 11-discharge port. DETAILED DESCRIPTION
[0028] The following embodiments will be combined with the accompanying drawings to describe the utility model in detail. In the drawings or descriptions, similar or identical parts use the same reference numerals, and in actual applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modifications or changes made to the utility model do not depart from the spirit and scope of the utility model.
[0029] Example 1
[0030] See also Figure 1 In the embodiment of the utility model, an oil drilling and slurry mixing device includes a barrel body 1, a stirring assembly 2 and a scraper assembly 3 are arranged inside the barrel body 1, a round table 4 is integrally formed at the bottom of the barrel body 1, and the scraper assembly 3 is arranged above the round table 4, a cover plate 10 is fixed on the top of the barrel body 1, and barrel covers 5 are hinged at both ends of the cover plate 10, and the barrel covers 5 can be rotated upward to open, and handles 8 are arranged on the two barrel covers 5, a motor 7 is installed in the middle position of the top of the cover plate 10, and a feed port 6 and a water inlet 9 are respectively arranged on both sides of the top of the cover plate 10 near the motor 7, the feed port 6 is used to put slurry raw materials into the barrel, and the water inlet 9 is used to inject slurry mixing water into the barrel, and a discharge port 11 is arranged at the bottom of one side of the barrel body 1, and valves are arranged on the feed port 6, the water inlet 9 and the discharge port 11.
[0031] See also Figure 2 , Figure 3The stirring assembly 2 includes a stirring shaft 21, which is rotatably connected to the middle position of the barrel body 1. The top end of the stirring shaft 21 is fixedly connected to one end of the output shaft of the motor 7 through a coupling, and the bottom end of the stirring shaft 21 is rotatably connected to the top of the truncated table 4 through a bearing seat 25. A spiral blade 22 is fixed to the shaft body of the stirring shaft 21. When the stirring shaft 21 rotates, the mud in the lower layer of the barrel body can be continuously transported upward through the spiral blade 22 to avoid the problem of uneven mixing caused by the accumulation of mud at the bottom of the barrel body. Stirring blades 23 are fixed on both sides of the stirring shaft 21, and the two sides are fixed with stirring blades 23. A scraper 24 is fixed at one end of the stirring blades 23 on the side, and the scraper 24 is used to scrape off the mud attached to the inner wall of the barrel. The stirring blades 23 on both sides of the stirring shaft 21 are symmetrically arranged in an up-and-down manner. In this embodiment, the overall height of the stirring blade on the left side is lower than that of the stirring blade on the right side, and an equidistant interval is formed between the stirring blade on the left side and the stirring blade on the right side. This design allows the stirring blade to cover more space when stirring. The cross section of the stirring blade at each height after rotating one circle corresponds to the mud at the current height, so that the mud at different heights in the barrel can be stirred, and the mud is stirred and mixed more evenly;
[0032] The stirring blade 23 includes a first support rod 231, a second support rod 232 and a sleeve 233. The first support rod 231 and the second support rod 232 are respectively slidably inserted at the two ends of the sleeve 233. The end of the first support rod 231 away from the sleeve 233 is connected and fixed to the stirring shaft 21, and the end of the second support rod 232 away from the sleeve 233 is connected and fixed to the scraper 24. A spring 234 is arranged in the sleeve 233. The two ends of the spring 234 are respectively fixedly connected to one end of the first support rod 231 and the second support rod 232 on the corresponding side. When the stirring shaft 21 rotates, the sleeve 233 is moved under the action of centrifugal force. The barrel 233 and the second support rod 232 both slide outward along the length direction of the first support rod 231 to increase the length of the stirring blade. At this time, the sum of the length of the stirring blade 23 and the thickness of the scraper 24 is equal to the inner diameter of the barrel body 1. After the stirring blade becomes longer, the area that can be stirred increases synchronously, expanding the stirring range and further promoting stirring and mixing. At the same time, after the length of the stirring blade increases, the scraper 24 can be against the inner wall of the barrel body, which is conducive to scraping off the mud attached to the inner wall of the barrel body. The connection between the first support rod 231, the second support rod 232 and the sleeve 233 is provided with a sealing ring 235.
[0033] See also Figure 4 , Figure 5The scraper assembly 3 includes an annular joint 31, on which a latch 34 is provided. The annular joint 31 is sleeved on the bottom end of the stirring shaft 21 and is connected and fixed to the stirring shaft 21 through the latch 34. A plurality of bases 32 are evenly fixed around the outer periphery of the annular joint 31. One side of the plurality of bases 32 is rotatably connected to a scraper bar 33 through a rotating shaft 35. A locking pin 36 is provided on one side of the corresponding rotating shaft 35 of the plurality of bases 32. The locking pin 36 is used to fasten the base 32 and the rotating shaft 35. The scraper bar 33 can be rotated by cooperating with the base 32 and the rotating shaft 35 to adjust the angle of the scraper bar so that the scraper bar can rest against the upper surface of the truncated table 4. After the angle of the scraper bar is adjusted, it is fixed by the locking pin 36. The mud attached to the surface of the truncated table is stirred by the scraper bar to make the mud mixed more evenly.
[0034] Example 2
[0035] See also Figure 6 , Figure 7 On the basis of Example 1, a plurality of first heating tubes 101 are embedded and installed in the inner wall of the barrel body 1, and the plurality of first heating tubes 101 are arranged around the barrel body 1 at equal intervals. A plurality of second heating tubes 41 are embedded and installed inside the truncated cone 4. The plurality of first heating tubes 101 and the plurality of second heating tubes 41 can heat the mud in the barrel from all sides and the bottom of the barrel at the same time, so that the mud is heated more evenly. After the mud is heated, the molecular activity is enhanced, the convection is intensified, and the mud flows more smoothly during stirring, which is conducive to the stirring and mixing of the mud.
[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A petroleum drilling and slurry mixing device, comprising a barrel (1), characterized in that: A cover plate (10) is fixed on the top of the barrel body (1), a motor (7) is installed at the middle position of the top of the cover plate (10), a stirring assembly (2) and a scraping assembly (3) are arranged inside the barrel body (1), the stirring assembly (2) comprises a stirring shaft (21), the top end of the stirring shaft (21) is fixedly connected to one end of the output shaft of the motor (7) through a coupling, a spiral blade (22) is fixed on the shaft body of the stirring shaft (21), stirring blades (23) are fixed symmetrically on both sides of the stirring shaft (21) in an upper and lower position, and a scraper (24) is fixed to one end of the stirring blades (23) on both sides; The scraper assembly (3) comprises an annular joint (31), the annular joint (31) is sleeved and fixed on the bottom end of the stirring shaft (21), and a plurality of bases (32) are evenly fixed around the outer periphery of the annular joint (31), and one side of the plurality of bases (32) is rotatably connected to a scraper strip (33) via a rotating shaft (35).
2. The oil drilling slurry mixing device according to claim 1, characterized in that: A truncated cone (4) is integrally formed at the bottom of the barrel body (1), the scraper assembly (3) is arranged above the truncated cone (4), a plurality of first heating tubes (101) are embedded and installed in the inner wall of the barrel body (1), a plurality of second heating tubes (41) are embedded and installed inside the truncated cone (4), and the plurality of first heating tubes (101) are arranged at equal intervals around the circumference of the barrel body (1).
3. The oil drilling slurry mixing device according to claim 2, characterized in that: The stirring shaft (21) is rotatably connected to the middle position inside the barrel body (1), and the bottom end of the stirring shaft (21) is rotatably connected to the top of the truncated table (4) via a bearing seat (25).
4. The oil drilling slurry mixing device according to claim 3, characterized in that: The stirring blade (23) comprises a first support rod (231), a second support rod (232) and a sleeve (233); the first support rod (231) and the second support rod (232) are respectively slidably inserted at two ends of the sleeve (233); one end of the first support rod (231) away from the sleeve (233) is connected and fixed to the stirring shaft (21); one end of the second support rod (232) away from the sleeve (233) is connected and fixed to the scraper (24); a spring (234) is arranged in the sleeve (233); two ends of the spring (234) are respectively fixedly connected to one end of the first support rod (231) and the second support rod (232) on a corresponding side; and sealing rings (235) are arranged at the connection between the first support rod (231), the second support rod (232) and the sleeve (233).
5. The oil drilling slurry mixing device according to claim 4, characterized in that: The annular joint (31) is provided with a latch pin (34), and the annular joint (31) is sleeved on the bottom end of the stirring shaft (21) and is connected and fixed to the stirring shaft (21) via the latch pin (34).
6. The oil drilling slurry mixing device according to claim 5, characterized in that: A locking pin (36) is provided on one side of the exterior of the plurality of bases (32) corresponding to the rotating shaft (35), and the locking pin (36) is used to fasten the base (32) and the rotating shaft (35).
7. The oil drilling slurry mixing device according to claim 1 or 6, characterized in that: Both ends of the cover plate (10) are hinged with barrel covers (5), and both barrel covers (5) are provided with handles (8). The top of the cover plate (10) is provided with a feed inlet (6) and a water inlet (9) on both sides close to the motor (7), and the bottom of one side of the barrel body (1) is provided with a discharge port (11), and valves are provided on the feed inlet (6), the water inlet (9) and the discharge port (11).