A continuous drying system for oilfield additive production

Abstract

The invention relates to the technical field of drying systems, and proposes a continuous drying system for oilfield additive production. The system is designed with a plurality of separation points for drying and draining the oilfield additives distributed in sequence. By sequentially switching the plurality of separation points for drying and draining the oilfield additives, a mixture of oilfield additives and water can be continuously added, and the separation sustainability and separation effect are better. The system comprises a shell and a multi-point separation structure. The shell comprises an outer cylinder frame, an inner cylinder ring and an outer cylinder ring. The outer cylinder frame is equipped with a support structure. The inner cylinder ring and the outer cylinder ring are both fixedly connected to the outer cylinder frame, and an annular opening is provided between the inner cylinder ring and the outer cylinder ring. A feed port, a discharge port and a discharge port are provided between the outer cylinder frame and the outer cylinder ring. The multi-point separation structure comprises a first servo motor, a first inner ring frame and a second inner ring frame. The first inner ring frame and the second inner ring frame are fixedly connected, and a plurality of installation cavities, a plurality of inlets and outlets and a liquid discharge bend are provided between the first inner ring frame and the second inner ring frame.

Description

Technical Field

[0001] The invention relates to the technical field of drying systems, and in particular to a continuous drying system for oilfield additive production. Background Art

[0002] As we all know, oilfield additives are a kind of chemicals specially used in the process of oil extraction. The drying of oilfield additives is of great significance for improving product quality, ensuring production efficiency, adapting to material characteristics and achieving environmental protection goals. In order to improve the drying property of oilfield additives, we propose a continuous drying system for the production of oilfield additives.

[0003] After searching, the patent with Chinese patent announcement number CN112221171A discloses a paddle dryer for producing oilfield additives, which is roughly described as including a shell and a heating tube. The bottom of the shell is fixedly connected with a plurality of supporting legs. A feeding mechanism is penetrated through the upper end of the shell. Two separation mechanisms are arranged in the shell at upper and lower positions. A stirring mechanism meshing with the feeding mechanism is arranged on the shell. The stirring mechanism penetrates the two separation mechanisms and is fixedly connected with the side walls thereof. A pulling mechanism is fixedly connected to the bottom of the stirring mechanism. A discharge pipe is penetrated through the bottom of the shell. Two guide mechanisms are symmetrically arranged on both sides of the discharge pipe at the bottom of the shell. When in use, the oilfield additive can be fully stirred so that it can be dried quickly. The patent with Chinese patent announcement number CN220213932U The invention discloses a mixing and drying device for producing a compound emulsifier, which is roughly described as comprising a spray drying tower, a cyclone separator and a receiving tank, a fluidized bed is arranged at the bottom of the spray drying tower, the spray drying tower is connected to the cyclone separator through an exhaust pipe, the cyclone separator is connected to the feed port of the receiving tank through a pipeline, the discharge port of the receiving tank is connected to a tee through a pipeline, one end of the tee is connected to the feed port of the fluidized bed through a pipeline, and the other end of the tee is connected to an air conveyor through a pipeline. When the device is in use, the small-particle fan material separated by the cyclone separator falls into the receiving tank for collection, and the collected fan material enters the fluidized bed at the bottom of the spray drying tower under the action of the air conveyor, and the fan material is fully mixed with the large-particle material discharged from the bottom of the spray drying tower in the fluidized bed, thereby realizing the recovery of the fan material.

[0004] Although the above-mentioned prior art solutions can realize the drying treatment of materials, there is no obvious boundary between the material being processed and the newly added material during the drying process. Therefore, it is easy to cause mixing between the processed material and the newly added material during the treatment process. Therefore, the processed material is also easily mixed with the newly added material when it is discharged. In this case, in order to ensure the treatment effect of the material, it is necessary to add materials in stages, that is, wait until the material being processed is processed and discharged before adding new materials, so it is difficult to form continuous production. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a continuous drying system for the production of oilfield additives, which is designed with multiple separation points for drying and draining the oilfield additives distributed in sequence. Through the sequential switching of the multiple separation points for drying and draining the oilfield additives, a mixture of oilfield additives and water can be continuously added during the separation process of the oilfield additives, and the separation sustainability and separation effect are better.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A continuous drying system for oilfield additive production, comprising a shell and a multi-point separation structure, wherein the shell comprises an outer cylinder frame, an inner cylinder ring and an outer cylinder ring, the outer cylinder frame is equipped with a bracket structure, the inner cylinder ring and the outer cylinder ring are both fixedly connected to the outer cylinder frame, and a feed port, a discharge port and a discharge port are arranged between the outer cylinder frame and the outer cylinder ring, the multi-point separation structure comprises a first servo motor, a first inner ring frame and a second inner ring frame, the first inner ring frame and the second inner ring frame are fixedly connected, a plurality of mounting cavities, a plurality of inlets and outlets and a liquid discharge bend are arranged between the first inner ring frame and the second inner ring frame, a plurality of mounting cavities are fixedly connected with built-in frames, a plurality of built-in frames are fixedly connected with half-ring filters, a plurality of linkage pressurizing structures are installed in the first inner ring frame, a plurality of in-place drive racks corresponding to the plurality of linkage pressurizing structures are fixedly connected in the outer cylinder frame, the first servo motor is installed on the outer cylinder ring, and the first servo motor is used for the rotational drive of the second inner ring frame.

[0007] Preferably, the support structure includes two forked slanted leg frames, a supporting disc frame is fixedly connected between the two forked slanted leg frames, a drum frame is rotatably connected inside the supporting disc frame, a center hole is opened on the drum surface of the drum frame, a symmetrical rod is fixedly connected inside the center hole, both ends of the symmetrical rod are fixedly connected to the outer cylinder frame, a swinging structure is installed outside the supporting disc frame, and the swinging structure is used for the swinging vibration of the symmetrical rod.

[0008] Preferably, the swing structure includes a linkage rod and an energy storage block, the linkage rod is slidably connected to the symmetrical rod, a strip opening is provided on the support disc frame, an insertion cavity is provided in the strip opening, the energy storage block is slidably connected in the insertion cavity, an energy storage spring is fixedly connected to the bottom end of the energy storage block, and the energy storage spring is fixedly connected in the insertion cavity, the linkage rod extends to the outside of the support disc frame through the strip opening, and an elastic driving member for pulling the linkage rod is installed outside the support disc frame.

[0009] Preferably, the elastic driving member includes a rotating disk and a second servo motor, the rotating disk is rotatably connected to the supporting disk frame, the rotating disk is rotatably connected with a driving block, the driving block is connected to a driven block via a pull spring, a circular hole is opened on the driven block, the linkage rod is rotatably connected in the circular hole, the second servo motor is installed on the supporting disk frame, and the second servo motor is used for rotationally driving the rotating disk.

[0010] Preferably, a driving bevel gear is mounted on the output shaft of the second servo motor, a driven bevel gear ring is fixedly connected to the outside of the rotating disk, and the driven bevel gear ring is meshed with the driving bevel gear.

[0011] Preferably, multiple linked pressurizing structures include a piston pressure plate, a rotating shaft and a driving shaft, multiple piston pressure plates are respectively slidably connected in multiple built-in frames, multiple rotating shafts are respectively rotatably connected in multiple built-in frames, multiple rotating shafts are threadedly connected with threaded sleeves, multiple threaded sleeves are respectively fixedly connected to multiple piston pressure plates, multiple rotating shafts are respectively provided with elastic return springs, one end of multiple elastic return springs are respectively fixedly connected to multiple built-in frames, the other ends of multiple elastic return springs are respectively fixedly connected to multiple piston pressure plates, multiple rotating shafts are respectively fixedly connected with transmission bevel gears, multiple driving shafts are respectively fixedly connected with power bevel gears, and multiple power bevel gears are respectively meshed with multiple transmission bevel gears, multiple transfer holes are opened in the first inner ring frame, multiple driving shafts are respectively rotatably connected in multiple transfer holes, multiple driving shafts are fixedly connected with access gears, and multiple access gears are matched with the in-place drive rack.

[0012] Preferably, the outer cylinder ring is fixedly connected to an outrigger, the first servo motor is installed relative to the outrigger, a driving gear is installed on the output shaft of the first servo motor, the driving gear is meshed with an inner gear ring, the inner gear ring is fixedly connected to the second inner ring frame, and an annular opening is opened between the inner cylinder ring and the outer cylinder ring, and the annular opening is used to expose the inner gear ring.

[0013] Preferably, a support frame is fixedly connected between the two forked slanted leg frames, a discharge pipe is fixedly connected to the support frame, the discharge pipe is connected to the discharge port through a hose, a feed pipe is fixedly connected to the feed port, and a collection tank is arranged between the two forked slanted leg frames.

[0014] Preferably, the multiple built-in frames are all rotatably connected to a first rotating ring, the multiple first rotating rings are all fixedly connected to a spiral elastic scraper frame, the multiple spiral elastic scraper frames are all fixedly connected to a second rotating ring, and the multiple second rotating rings are respectively rotatably connected to the multiple piston pressure plates.

[0015] Preferably, both the first rotating ring and the second rotating ring are provided with weight-reducing eccentric holes.

[0016] Compared with the prior art, the present invention provides a continuous drying system for oilfield additive production, which has the following beneficial effects:

[0017] (1) In the present invention, a plurality of separation points for drying and draining the oilfield additive are formed by designing a multi-point separation structure. By sequentially switching the plurality of separation points for drying and draining the oilfield additive, a mixture of the oilfield additive and water can be continuously added during the separation process of the oilfield additive, and the separation sustainability is good.

[0018] (2) In the present invention, the support structure is equipped to realize the support installation of the shell, and then the support installation of the multi-point separation structure is realized, which is convenient for the formation of switching conditions of the separation points of multiple oilfield additives for drying and draining. It can also realize the synchronous swinging drive of the multi-point separation structure, and then realize the synchronous vibration operation of multiple built-in frames. During the separation period, the vibration effect formed by inertial vibration is possessed, and the separation effect of the oilfield additive is better.

[0019] (3) In the present invention, by matching the linkage pressurizing structure with the in-position driving rack, accompanied by the synchronous movement of the multiple built-in racks, the storage space in the multiple built-in racks can be reduced, so as to pressurize the mixed material of the oilfield additives entering the built-in racks and improve the efficiency of the water in the mixed material passing through the half-ring filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0021] Figure 2 It is a schematic diagram of an exploded three-dimensional structure of the outer cylinder frame, the first inner ring frame and the inner frame of the present invention;

[0022] Figure 3 It is a schematic diagram of an exploded three-dimensional structure of the inner cylinder ring, the outer cylinder ring and the second inner ring frame of the present invention;

[0023] Figure 4 It is a partially cutaway three-dimensional structural schematic diagram of the cooperation of the first inner ring frame, the inner frame and the half-ring filter screen of the present invention;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the built-in frame, the half-ring filter screen and the rotating shaft of the present invention;

[0025] Figure 6 It is a partially cutaway three-dimensional structural schematic diagram of the cooperation of the internal frame, the half-ring filter screen and the rotating shaft of the present invention;

[0026] Figure 7 It is another partially cutaway three-dimensional structural schematic diagram of the cooperation of the internal frame, the half-ring filter screen and the rotating shaft of the present invention;

[0027] Figure 8 It is a schematic diagram of the three-dimensional structure of the cooperation between the first rotating ring, the second rotating ring and the spiral elastic scraper frame of the present invention;

[0028] Fig. 9 It is a cross-sectional three-dimensional structural schematic diagram of the coordination of the bifurcated oblique leg frame, the support disc frame and the linkage rod of the present invention;

[0029] Fig.10 It is a three-dimensional structural schematic diagram of another angle of the present invention as a whole;

[0030] Fig.11 For the present invention Fig.10 A schematic diagram of the local enlarged structure at point A in the middle;

[0031] Fig.12 It is a schematic diagram of the exploded three-dimensional structure of the outer cylinder frame, the inner cylinder ring and the outer cylinder ring of the present invention;

[0032] Fig.13 It is a schematic diagram of an exploded three-dimensional structure of the cooperation between the first inner ring frame, the second inner ring frame and a plurality of access gears of the present invention;

[0033] Fig.14 It is a schematic diagram of the three-dimensional structure of the bifurcated oblique leg frame and the supporting disc frame of the present invention;

[0034] Fig.15 It is a schematic diagram of the three-dimensional structure of the present invention as a whole when viewed from above;

[0035] Fig.16 It is a schematic diagram of the three-dimensional structure of the drum frame, symmetrical rods and linkage rods of the present invention.

[0036] In the figure: 1, outer cylinder frame; 2, inner cylinder ring; 3, outer cylinder ring; 4, annular opening; 5, inlet; 6, discharge opening; 7, discharge opening; 8, inlet and outlet; 9, first inner ring frame; 10, second inner ring frame; 11, built-in frame; 12, half-ring filter; 13, bifurcated oblique leg frame; 14, support plate frame; 15, drum frame; 16, symmetrical rod; 17, linkage rod; 18, strip opening; 19, energy storage block; 20, energy storage spring; 21, rotating plate; 22, driving block; 23, pulling spring; 24, driven block; 25, driving bevel gear; 26, driven Bevel gear ring; 27, piston pressure plate; 28, rotating shaft; 29, driving shaft; 30, threaded sleeve; 31, elastic return spring; 33, access gear; 34, outrigger; 35, driving gear; 36, internal gear ring; 37, power bevel gear; 38, transmission bevel gear; 39, first rotating ring; 40, second rotating ring; 41, support frame; 42, discharge pipe; 43, hose; 44, feed pipe; 45, collecting tank; 46, spiral elastic scraper frame; 47, in-place drive rack; 48, first servo motor; 49, second servo motor. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] For examples, see Figure 1-Figure 16 A continuous drying system for oilfield additive production includes a shell and a multi-point separation structure. The shell includes an outer cylinder frame 1, an inner cylinder ring 2 and an outer cylinder ring 3. The outer cylinder frame 1 is equipped with a bracket structure. The bracket structure includes two bifurcated oblique leg frames 13. A support disc frame 14 is fixedly connected between the two bifurcated oblique leg frames 13. A drum frame 15 is rotatably connected inside the support disc frame 14. A center hole is opened on the drum surface of the drum frame 15. A symmetrical rod 16 is fixedly connected inside the center hole. Both ends of the symmetrical rod 16 are fixedly connected to the outer cylinder frame 1. Through the bracket structure The support frame 14 is provided with a swing structure, and the swing structure is used for the swing vibration of the symmetrical rod 16. The swing structure includes a linkage rod 17 and an energy storage block 19. The linkage rod 17 is slidably connected to the symmetrical rod 16. A strip opening 18 is provided on the support frame 14, and an insertion cavity is provided in the strip opening 18. The energy storage block 19 is slidably connected in the insertion cavity. The bottom end of the energy storage block 19 is fixedly connected with an energy storage spring 2 0, the energy storage spring 20 is fixedly connected in the insertion cavity, the linkage rod 17 extends to the outside of the support disc frame 14 through the strip opening 18, and an elastic driving member for pulling the linkage rod 17 is installed outside the support disc frame 14. The elastic driving member includes a rotating disk 21 and a second servo motor 49. The rotating disk 21 is rotatably connected to the support disc frame 14, and a driving block 22 is rotatably connected to the rotating disk 21. The driving block 22 is connected to the driven block 24 through the pulling spring 23. A round hole is opened on the driven block 24, and the linkage rod 17 is rotatably connected in the round hole. The second servo motor 4 9 is installed on the supporting disc frame 14, the second servo motor 49 is used for driving the rotation of the rotating disc 21, the output shaft of the second servo motor 49 is installed with a driving bevel gear 25, the rotating disc 21 is fixedly connected with a driven bevel gear ring 26, the driven bevel gear ring 26 is meshed with the driving bevel gear 25, and the synchronous swinging drive of the shell and the multi-point separation structure is realized through the design of the swing structure, and then the synchronous vibration operation of the multiple built-in frames 11 is realized. During the separation period, it has the vibration effect formed by inertial vibration, so the separation effect of the oilfield additive is better.

[0039] It should be further explained that the inner cylinder ring 2 and the outer cylinder ring 3 are fixedly connected to the outer cylinder frame 1, and an inlet 5, a discharge port 6 and a discharge port 7 are arranged between the outer cylinder frame 1 and the outer cylinder ring 3. The multi-point separation structure includes a first servo motor 48, a first inner ring frame 9 and a second inner ring frame 10. The first inner ring frame 9 and the second inner ring frame 10 are fixedly connected. A plurality of installation cavities, a plurality of inlets and outlets 8 and a liquid discharge bend are arranged between the first inner ring frame 9 and the second inner ring frame 10. The plurality of installation cavities are fixedly connected with an internal frame 11, and a plurality of internal frames 11 are fixedly connected with a half-ring filter screen 12. A plurality of linkage pressurization structures are installed in the first inner ring frame 9, and the outer cylinder frame 1 has a plurality of interlocking pressurization structures. A fixedly connected in-position drive rack 47 corresponding to a plurality of linkage pressurizing structures, a first servo motor 48 is mounted on the outer cylinder ring 3, and the first servo motor 48 is used for the rotational drive of the second inner ring frame 10, an outrigger 34 is fixedly connected to the outer cylinder ring 3, the first servo motor 48 is mounted relative to the outrigger 34, a driving gear 35 is mounted on the output shaft of the first servo motor 48, the driving gear 35 is meshed with an inner gear ring 36, the inner gear ring 36 is fixedly connected to the second inner ring frame 10, an annular opening 4 is opened between the inner cylinder ring 2 and the outer cylinder ring 3, the annular opening 4 is used for exposing the inner gear ring 36, and the plurality of linkage pressurizing structures include a piston pressure plate 27, a rotating shaft 28 and drive shaft 29, multiple piston pressure plates 27 are respectively slidably connected in multiple built-in frames 11, multiple rotating shafts 28 are respectively rotatably connected in multiple built-in frames 11, multiple rotating shafts 28 are threadedly connected with threaded sleeves 30, multiple threaded sleeves 30 are respectively fixedly connected with multiple piston pressure plates 27, multiple rotating shafts 28 are respectively sleeved with elastic return springs 31, one end of multiple elastic return springs 31 is respectively fixedly connected with multiple built-in frames 11, and the other end of multiple elastic return springs 31 is respectively fixedly connected with multiple piston pressure plates 27, multiple rotating shafts 28 are fixedly connected with transmission bevel gears 38, and multiple driving shafts 29 are fixedly connected with power bevel gears Wheel 37, multiple power bevel gears 37 are respectively meshed with multiple transmission bevel gears 38, multiple transfer holes are opened in the first inner ring frame 9, multiple drive shafts 29 are respectively rotatably connected in the multiple transfer holes, multiple drive shafts 29 are fixedly connected with access gears 33, and multiple access gears 33 are matched with the in-place driving rack 47. Through the matching of the linkage pressurizing structure and the in-place driving rack 47, accompanied by the synchronous movement of the multiple built-in frames 11, the storage space in the multiple built-in frames 11 can be reduced, so as to pressurize the mixed material of the oilfield additives entering the built-in frame 11, and improve the efficiency of the water in the mixed material passing through the half-ring filter 12.

[0040] It should be further explained that a support frame 41 is fixedly connected between the two bifurcated oblique leg frames 13, a discharge pipe 42 is fixedly connected to the support frame 41, the discharge pipe 42 is communicated with the discharge port 7 through a hose 43, a feed pipe 44 is fixedly connected to the feed port 5, a collecting pool 45 is arranged between the two bifurcated oblique leg frames 13, which is convenient for the collection and temporary storage of filtered water, a plurality of built-in frames 11 are rotatably connected with a first rotating ring 39, a plurality of first rotating rings 39 are fixedly connected with a spiral elastic scraper frame 46, a plurality of spiral elastic scraper frames 46 are fixedly connected with a second rotating ring 40, a plurality of second rotating rings 40 are rotatably connected with a plurality of piston pressure plates 27 respectively, when the piston pressure plate 27 forms a reciprocating motion in the built-in frame 11 where it is located, the spiral elastic scraper frame 46 can be realized. The reciprocating compression and expansion of the spiral scraper frame 46 can achieve the purpose of cleaning the inner wall of the built-in frame 11 and the interior of the half-ring filter 12. The first rotating ring 39 and the second rotating ring 40 are both provided with weight-reducing eccentric holes, so that the center of gravity of the first rotating ring 39 and the second rotating ring 40 are offset relative to the central axis. When multiple built-in frames 11 rotate synchronously, the first rotating ring 39 and the second rotating ring 40 can be inverted. Due to the effect of the offset of the center of gravity of the first rotating ring 39 and the second rotating ring 40, the spiral elastic scraper frame 46 can form relative rotation in the built-in frame 11 during the inversion process, so as to achieve the purpose of cleaning the inner wall of the built-in frame 11 and the interior of the half-ring filter 12.

[0041] The first servo motor 48 and the second servo motor 49 in this embodiment are conventional devices purchased on the market and known to technicians in this field. In the present invention, we only use them and do not improve their structure and function. For technicians in this field, their setting method, installation method and electrical connection method only need to be debugged according to the requirements of their instruction manual, and they will not be described in detail here.

[0042] In summary, the working principle of the continuous drying system for oilfield additive production is as follows: when in use, first turn on the external control power supply of the first servo motor 48 and the second servo motor 49. When the mixed material needs to be separated, the mixed material is continuously added to the feed port 5. The first servo motor 48 works to realize the synchronous rotation of multiple built-in racks 11 in the shell. When the inlet and outlet 8 is connected to the feed port 5, the mixed material entering the feed port 5 will pass through the inlet and outlet 8 and enter the corresponding built-in rack 11. Since the half-ring filter 12 on the built-in rack 11 adopts a half-ring design, the mixed material entering the built-in rack 11 The mixed materials will flow into the area enclosed by the half-ring filter screen 12 and the built-in frame 11, and along with the sequential and synchronous movement of the multiple built-in frames 11, the multiple inlets and outlets 8 will be sequentially connected with the multiple inlets 5, so that the multiple built-in frames 11 can be sequentially added with the mixed materials. When the built-in frame 11 to which the mixed materials are added moves to the position corresponding to the discharge port 6, that is, when the discharge bend overlaps with part of the discharge port 6, the access gear 33 corresponding to the built-in frame 11 will be meshed with the in-place driving rack 47. Thereafter, along with the continued movement of the built-in frame 11, the access gear 33 can be connected with the first inner ring frame 9. The access gear 33 rotates and drives the power bevel gear 37 to rotate through the drive shaft 29. Under the meshing transmission action of the power bevel gear 37 and the transmission bevel gear 38, the rotating power bevel gear 37 can realize the rotation drive of the rotating shaft 28. Under the threaded connection action of the rotating shaft 28 and the threaded sleeve 30, the rotation of the rotating shaft 28 will realize the linear motion of the threaded sleeve 30 in the built-in frame 11, so that the piston pressure plate 27 slides relative to the built-in frame 11, and finally achieves the compression operation of the storage space in the built-in frame 11, that is, the storage space in the multiple built-in frames 11 is reduced, which is for the oil entering the built-in frame 11. The mixed material of the field additive is pressurized to improve the efficiency of the water in the mixed material passing through the half-ring filter 12. The middle part of the built-in frame 11 is a closed annular structure, so when the piston pressure plate 27 moves to the closed annular structure part, the relative sliding sealing effect between the piston pressure plate 27 and the built-in frame 11 can be improved. After multiple built-in frames 11 pass through the discharge port 6 area in sequence, the corresponding access gear 33 also moves through the transmission area of ​​the in-place drive rack 47, and the meshing transmission effect between the two fails. Under the elastic action of the elastic return spring 31, the piston pressure plate 27 will move and reset relative to the built-in frame 11.

[0043] Furthermore, when the separation of the mixed material in the built-in rack 11 is completed, accompanied by the synchronous movement of the multiple built-in racks 11, the multiple built-in racks 11 are sequentially moved from the position of the discharge port 6 to the discharge port 7. Since the discharge port 7 is located at the lowest position of the outer cylinder rack 1 and the inner cylinder ring 2, when the built-in rack 11 moves to the position of the discharge port 7, the built-in rack 11 will be rotated and adjusted from a relatively upright state to a horizontal or even inverted state, which is convenient for pouring and discharging the oilfield additives after drying the mixed material. The oilfield additives discharged are finally discharged through the inlet and outlet 8 and the discharge port 7. During the discharge and unloading process of the oilfield additives, the built-in rack 11 rotates and vibrates at the same time. The structure is powered on to realize synchronous vibration and swing of multiple built-in frames 11, and the vibration and swing process also has a certain fixed force storage effect, realizes the amplification of motion inertia, ensures the separation effect of mixed materials and improves the discharge effect of oilfield additives. The vibration and swing movement process is that through the meshing transmission effect of the driving bevel gear 25 and the driven bevel gear ring 26, the second servo motor 49 is powered on to realize the rotation movement of the rotating disk 21 relative to the supporting disk frame 14, and the rotation of the rotating disk 21 will realize the traction of the driving block 22. Since the linkage rod 17 can only realize horizontal reciprocating motion in the strip mouth 18, the pull spring 23 and the driven block 24 work together to realize the traction of the driving block 22. As the built-in frame 11 moves, the reciprocating motion of the linkage rod 17 in the strip mouth 18 will be pulled. Due to the action of the energy storage spring 20, when the linkage rod 17 passes over the energy storage block 19, the energy storage block 19 will be pushed upward. When the linkage rod 17 moves to the extreme position in the strip mouth 18 and forms a reverse motion, the raised energy storage block 19 will block the movement of the linkage rod 17 again. In this process, the pulling spring 23 will be further stretched. When the stretched force of the pulling spring 23 can overcome the elastic force of the energy storage spring 20 and compress the energy storage spring 20, the energy storage block 19 will be lowered. When the energy storage block 19 is compressed by the energy storage spring 20, When the position change allows the linkage rod 17 to pass, the linkage rod 17 passes over the energy storage block 19 again. Since the pull spring 23 is stretched, energy is stored. At the moment when the linkage rod 17 passes over the energy storage block 19, it has a large driving force, which can improve the effect of inertia and make the mixed material in the built-in frame 11 have a tendency to move left and right, so as to enrich the movement mode of the built-in frame 11, improve the separation effect, and make the dried oilfield additives more thoroughly discharged relative to the built-in frame 11. Two outer curved frames are fixedly connected to the symmetrical rod 16, and contact sealing rings are fixedly connected to the two outer curved frames. There is a contact seal between the contact sealing ring and the second inner ring frame 10.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous drying system for oilfield additive production, comprising a housing, characterized in that: The housing also includes a multi-point separation structure, wherein the housing includes an outer cylinder frame (1), an inner cylinder ring (2) and an outer cylinder ring (3), wherein the inner cylinder ring (2) and the outer cylinder ring (3) are both fixedly connected to the outer cylinder frame (1), and an inlet (5), a discharge port (6) and a discharge port (7) are provided between the outer cylinder frame (1) and the outer cylinder ring (3), and the multi-point separation structure includes a first servo motor (48), a first inner ring frame (9) and a second inner ring frame (10), wherein the first inner ring frame (9) and the second inner ring frame (10) are fixedly connected, and a plurality of installation cavities, a plurality of inlets and outlets (8) and a liquid discharge bend are provided between the first inner ring frame (9) and the second inner ring frame (10), wherein a plurality of the installation cavities are each fixedly connected to an inner frame (11), and a plurality of the The inner frame (11) is fixedly connected with a half-ring filter screen (12), a plurality of linkage pressurizing structures are installed in the first inner ring frame (9), a positioning drive rack (47) corresponding to the plurality of linkage pressurizing structures is fixedly connected in the outer cylinder frame (1), the first servo motor (48) is installed on the outer cylinder ring (3), and the first servo motor (48) is used for rotationally driving the second inner ring frame (10), the outer cylinder frame (1) is equipped with a support structure, the support structure includes two bifurcated oblique leg frames (13), a support disc frame (14) is fixedly connected between the two bifurcated oblique leg frames (13), a drum frame (15) is rotatably connected in the support disc frame (14), a center hole is opened on the drum surface of the drum frame (15), and the center hole is provided on the drum surface of the drum frame (15). A symmetrical rod (16) is fixedly connected in the core hole, and both ends of the symmetrical rod (16) are fixedly connected to the outer cylinder frame (1). A swing structure is installed outside the support disc frame (14), and the swing structure is used for the swing vibration of the symmetrical rod (16). The swing structure comprises a linkage rod (17) and an energy storage block (19). The linkage rod (17) is slidably connected to the symmetrical rod (16). A strip opening (18) is provided on the support disc frame (14), and an insertion cavity is provided in the strip opening (18). The energy storage block (19) is slidably connected in the insertion cavity. The bottom end of the energy storage block (19) is fixedly connected to an energy storage spring (20), and the energy storage spring (20) is fixedly connected in the insertion cavity. The linkage rod (17) is connected to the outer cylinder frame (14) through the strip opening. (18) extends to the outside of the supporting disc frame (14), an elastic driving member for pulling the linkage rod (17) is installed outside the supporting disc frame (14), the elastic driving member comprises a rotating disc (21) and a second servo motor (49), the rotating disc (21) is rotatably connected to the supporting disc frame (14), a driving block (22) is rotatably connected to the rotating disc (21), the driving block (22) is connected to a driven block (24) via a pulling spring (23), a circular hole is opened on the driven block (24), the linkage rod (17) is rotatably connected in the circular hole, the second servo motor (49) is installed on the supporting disc frame (14), and the second servo motor (49) is used for rotationally driving the rotating disc (21); The plurality of linked pressurizing structures each comprise a piston pressure plate (27), a rotating shaft (28) and a driving shaft (29); the plurality of piston pressure plates (27) are respectively slidably connected in the plurality of built-in frames (11); the plurality of rotating shafts (28) are respectively rotatably connected in the plurality of built-in frames (11); the plurality of rotating shafts (28) are respectively threadedly connected with threaded sleeves (30); the plurality of threaded sleeves (30) are respectively fixedly connected to the plurality of piston pressure plates (27); the plurality of rotating shafts (28) are respectively sleeved with elastic return springs (31); one end of the plurality of elastic return springs (31) is respectively fixedly connected to the plurality of built-in frames (11); the plurality of elastic return springs (31) are respectively threadedly connected to the plurality of built-in frames (11); The other ends of the return springs (31) are fixedly connected to the plurality of piston pressure plates (27), the plurality of rotating shafts (28) are fixedly connected to transmission bevel gears (38), the plurality of drive shafts (29) are fixedly connected to power bevel gears (37), the plurality of power bevel gears (37) are respectively meshed with the plurality of transmission bevel gears (38), the first inner ring frame (9) is provided with a plurality of transfer holes, the plurality of drive shafts (29) are respectively rotatably connected to the plurality of transfer holes, the plurality of drive shafts (29) are fixedly connected to access gears (33), the plurality of access gears (33) are matched with the in-position drive racks (47).

2. A continuous drying system for oilfield additive production according to claim 1, characterized in that: A driving bevel gear (25) is mounted on the output shaft of the second servo motor (49), and a driven bevel gear ring (26) is fixedly connected to the outside of the rotating disk (21), and the driven bevel gear ring (26) is meshed with the driving bevel gear (25).

3. A continuous drying system for oilfield additive production according to claim 2, characterized in that: The outer cylinder ring (3) is fixedly connected to an outrigger (34), the first servo motor (48) is installed relative to the outrigger (34), a driving gear (35) is installed on the output shaft of the first servo motor (48), the driving gear (35) is meshed with an inner gear ring (36), the inner gear ring (36) is fixedly connected to the second inner ring frame (10), and an annular opening (4) is opened between the inner cylinder ring (2) and the outer cylinder ring (3), the annular opening (4) is used to expose the inner gear ring (36).

4. A continuous drying system for oilfield additive production according to claim 3, characterized in that: A support frame (41) is fixedly connected between the two bifurcated oblique leg frames (13); a discharge pipe (42) is fixedly connected to the support frame (41); the discharge pipe (42) is communicated with the discharge port (7) via a hose (43); a feed pipe (44) is fixedly connected to the feed port (5); and a collection tank (45) is provided between the two bifurcated oblique leg frames (13).

5. A continuous drying system for oilfield additive production according to claim 4, characterized in that: The plurality of built-in frames (11) are all rotatably connected to a first rotating ring (39), the plurality of first rotating rings (39) are all fixedly connected to a spiral elastic scraper frame (46), the plurality of spiral elastic scraper frames (46) are all fixedly connected to a second rotating ring (40), and the plurality of second rotating rings (40) are respectively rotatably connected to the plurality of piston pressure plates (27).

6. A continuous drying system for oilfield additive production according to claim 5, characterized in that: The first rotating ring (39) and the second rotating ring (40) are both provided with weight-reducing eccentric holes.

Images