Dry powder drag reducer on-line configuration skid-mounted equipment

Abstract

The invention belongs to the technical field of dry powder drag reducer preparation equipment, and particularly relates to dry powder drag reducer online preparation skid-mounted equipment which comprises a storage bin, and a feeding device is arranged on the storage bin; the feeding device comprises a feeding bin communicated with the storage bin, and a feeding opening is formed in the feeding bin; a bag outlet bin is further arranged on the feeding bin, and a bag outlet structure is arranged on the bag outlet bin. A rotating bin is intermittently and rotationally connected to the feeding bin, and a plurality of partition plates are evenly distributed on the rotating bin in the circumferential direction. A cutting shaft rotationally connected with the rotating bin is arranged between every two adjacent partition plates, and a plurality of inner cutting knives are arranged on each cutting shaft. An outer cutting knife corresponding to the inner cutting knife is fixedly connected to the inner wall of the feeding bin and arranged on the inner wall, away from the bag outlet bin, of the feeding bin. The multiple cutting shafts are each rotationally connected with a pair of push plates opposite in rotating direction. The invention provides the dry powder drag reducer on-line configuration skid-mounted equipment which can automatically carry out bag breaking, charging and packaging bag collection on drag reducer packaging bags.

Description

Technical Field

[0001] The invention belongs to the technical field of dry powder drag reducer configuration equipment, and in particular relates to a skid-mounted device for online configuration of dry powder drag reducer. Background Art

[0002] The dry powder drag reducer for fracturing reduces the turbulent state of the fluid on the rough surface of the inner wall of the pipeline through molecular arrangement, reducing the resistance of intramolecular movement. This product has good drag reduction effect and rapid swelling performance, can be directly mixed and continuously constructed, and reduces water horsepower loss. Under the same construction conditions, it can increase the displacement and reduce the construction pressure. It is suitable for large-scale, continuous mixing volume fracturing.

[0003] The skid-mounted equipment for online configuration of dry powder drag reducers is mainly used for online mixing of polymer solution drag reducers in oil and gas field fracturing projects. It can quickly configure high-quality polymer solutions without fisheyes or lumps, and efficiently provide supporting services for fracturing projects.

[0004] When preparing dry powder drag reducer, first add the drag reducer into the storage bin for storage, and then the drag reducer in the storage bin flows into the solid-liquid ejector evenly through the gas-solid ejector to mix with water; or use the Venturi tube principle to disperse and mix the dry powder with water through the jet to achieve dispersion and dissolution of the drag reducer; in the process of adding the drag reducer to the storage bin, since the drag reducer is mostly stored in packaging bags, a series of operations such as bag breaking, adding materials, and collecting packaging bags are required during the adding process, and most of the operations are manual operations, which undoubtedly brings greater labor intensity to the staff. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a skid-mounted device for online configuration of dry powder drag reducer, which can automatically open, add materials and collect the drag reducer packaging bags.

[0006] To achieve the above-mentioned objectives, the present invention adopts the following technical scheme: a skid-mounted equipment for online configuration of dry powder drag reducer, comprising a storage bin, on which a feeding device is provided; the feeding device comprises a feeding bin connected to the storage bin, on which a feeding port is provided; the feeding bin is also provided with a bag outlet bin, on which a bag outlet structure is provided; the feeding bin is intermittently rotatably connected with a rotating bin, and the rotating bin is provided with a plurality of partition plates evenly distributed along the circumference; a cutting shaft rotatably connected to the rotating bin is provided between adjacent partition plates, and a plurality of inner cutting knives are provided on the cutting shaft; an outer cutting knife corresponding to the inner cutting knife is fixedly connected to the inner wall of the feeding bin, and the outer cutting knife is provided on the inner wall of the feeding bin away from the bag outlet bin; a pair of push plates are rotatably connected to the plurality of cutting shafts, and the pair of push plates rotate reciprocatingly along the cutting shaft with the rotation of the cutting shaft and squeeze the drag reducer packaging bag.

[0007] Furthermore, an intermittent motor is fixedly connected to the feeding bin, a lever is fixedly connected to the output end of the intermittent motor, and a groove wheel corresponding to the lever is coaxially fixedly connected to the rotating bin; the lever is coaxially fixedly connected to a limit plate, and a limit groove corresponding to the limit plate is provided on the groove wheel.

[0008] Furthermore, a driving motor is fixedly connected to the feeding bin, a driving wheel is fixedly connected to the output end of the driving motor, an outer gear ring is rotatably connected to the feeding bin and meshes with the driving wheel; a synchronous gear ring is rotatably connected to the rotating bin, and the plurality of cutting shafts are coaxially fixedly connected to cutting wheels meshing with the synchronous gear ring; the outer gear ring is coaxially fixedly connected to an inner gear ring, and the inner gear ring meshes with a driving wheel coaxially fixedly connected to one of the cutting wheels.

[0009] Furthermore, the rotating bin is slidably connected to a plurality of sliders evenly distributed along the circumference, and the plurality of sliders slide radially of the rotating bin as the gear ring rotates. The plurality of sliders are rotatably connected to a pair of push rods, and the pair of push rods are rotatably connected to a pair of push plates respectively.

[0010] Furthermore, a sleeve is rotatably connected to the rotating bin, and a plurality of rocking arms are evenly distributed along the circumference of the sleeve; the plurality of rocking arms are rotatably connected to a traction rod, and the other end of the traction rod is rotatably connected to a slider.

[0011] Furthermore, an output wheel meshing with the synchronous gear ring is rotatably connected in the rotating bin, and a synchronous crank is coaxially fixed to the output wheel; a connecting rod is rotatably connected to the synchronous crank, and the other end of the connecting rod is rotatably connected to one of the rocking arms.

[0012] Furthermore, the push plate is provided with an inner notch corresponding to the inner cutting knife and the outer cutting knife, and the partition plate is provided with an outer notch corresponding to the outer cutting knife; the push plate is evenly distributed with inner through holes, and the end of the partition plate close to the outer notch is evenly distributed with outer through holes; the bottom of the feeding bin is provided with a discharge port connected to the storage bin, and the feeding bin is provided with a filter net corresponding to the discharge port.

[0013] Furthermore, the bag outlet structure includes a path structure arranged at both ends of the bag outlet bin, the output end of the path structure is connected to a connecting frame, and the path structure can drive the connecting frame to move along a semicircular path; the connecting frame is rotatably connected to a clamping chamber that can swing back and forth, and the clamping chamber is provided with a clamping structure for clamping the packaging bag; the connecting frame is fixedly connected to a swinging motor, and the output end of the swinging motor is coaxially fixed to the clamping chamber.

[0014] Furthermore, the path structure includes a path motor fixedly connected to the bag outlet bin, and an input rod is fixedly connected to the output end of the path motor; both ends of the bag outlet bin are rotatably connected to slide cylinders, and a pair of the slide cylinders are slidably connected to slide rods vertically fixed to the connecting frame.

[0015] Furthermore, the clamping structure includes a clamping motor fixedly connected to the clamping chamber, and a driving bevel gear is fixedly connected to the output end of the clamping motor; a synchronous shaft is rotatably connected in the clamping chamber, and a plurality of connecting bevel gears are fixed on the synchronous shaft, and the driving bevel gear is meshed with one of the connecting bevel gears; a plurality of connecting bevel gears are meshed with driven bevel gears, and a plurality of driven bevel gears are coaxially fixed with a bidirectional crank; a moving rod is rotatably connected to the bidirectional crank, and a clamping block slidably connected to the clamping chamber is rotatably connected to the moving rod, and a plurality of clamping rods are fixed on the clamping block; a guide rod is fixedly connected to the clamping chamber, and the clamping block is slidably connected to the guide rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. When the present invention is in use, the rotating bin and the partition plate rotate intermittently, and the inner cutting knife and the outer cutting knife cooperate to separate the packaging bags, and a pair of push plates cooperate to reciprocately squeeze the packaging bags, so that the drag reducer in the packaging bags flows into the storage bin for storage, thereby realizing automatic feeding of the storage bin and improving the convenience of feeding the storage bin.

[0017] 2. When the present invention is in use, the path structure drives the clamping structure to move along the semicircular path, so that the clamping structure first moves in a circular motion along the semicircle to a contact position with the packaging bag to clamp the packaging bag, and then drives the packaging bag away from the feeding bin through radial motion along the semicircular path, so that the packaging bag flows out through the feeding bin and the bag outlet bin, so that the staff can collect the packaging bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 is a cross-sectional view of the feeding device in the present invention; Figure 3 It is a first axonometric view of the internal structure of the charging bin in the present invention; Figure 4 A second axonometric view of the internal structure of the charging bin in the present invention; Figure 5 It is a schematic diagram of the coordination state of the push plate, push rod, rotating bin and other structures in the present invention; Figure 6 It is a schematic diagram of the coordination state of the structures such as the synchronous gear ring, the cutting wheel, the output wheel, the connecting rod, the rocker, and the traction rod in the present invention; Figure 7 It is a schematic diagram of the coordination state of the structures such as the driving wheel, the outer gear ring, the inner gear ring, the synchronous gear ring, the cutting wheel, the output wheel, and the inner cutting knife in the present invention; Figure 8 It is a structural schematic diagram of the partition plate in the present invention; Fig. 9It is a schematic diagram of the coordination state of the bag discharging bin and the bag discharging structure in the present invention; Fig.10 It is a structural schematic diagram of the bag discharging structure in the present invention; Fig.11 It is a structural schematic diagram of the clamping structure in the present invention; Fig.12 For the present invention Fig.11 A magnified schematic diagram of the middle A area; In the figure: 1, storage bin, 2, fan, 3, gas-solid ejector, 4, feeding bin, 5, intermittent motor, 6, feeding port, 7, bag outlet bin, 8, bag outlet structure, 9, filter screen, 10, inner cutting knife, 11, partition plate, 12, push plate, 13, outer cutting knife, 14, push rod, 15, rotating bin, 16, groove wheel, 17, lever, 18, inner gear ring, 19, drive motor, 20, drive wheel, 21, outer gear ring, 22, driving wheel, 23, synchronous gear ring, 24, output Wheel, 25, connecting rod, 26, cutting wheel, 27, rocker, 28, traction rod, 29, slider, 30, synchronous crank, 31, path motor, 32, input rod, 33, slide rod, 34, slide cylinder, 35, connecting frame, 36, clamping chamber, 37, swing motor, 38, clamping motor, 39, clamping rod, 40, guide rod, 41, driving bevel gear, 42, connecting bevel gear, 43, driven bevel gear, 44, two-way crank, 45, moving rod, 46, clamping block. DETAILED DESCRIPTION

[0019] A skid-mounted equipment for online configuration of dry powder drag reducer, such as Figure 1-12 As shown, it includes a storage bin 1, and a feeding device is provided on the storage bin 1; the discharge port of the storage bin 1 is connected to a gas-solid ejector 3, and the gas-solid ejector 3 is connected to a fan 2; the feeding device includes a feeding bin 4 connected to the storage bin 1, and a feeding port 6 is provided on the feeding bin 4; the feeding bin 4 is also provided with a bag outlet bin 7, and the bag outlet bin 7 is provided with a bag outlet structure 8; the feeding bin 4 is intermittently rotatably connected to a rotating bin 15, and the rotating bin 15 is evenly distributed with a plurality of partition plates 11 along the circumference; adjacent A cutting shaft rotatably connected to the rotating bin 15 is provided between the partition plates 11, and a plurality of inner cutting knives 10 are provided on the cutting shaft; an outer cutting knife 13 corresponding to the inner cutting knife 10 is fixedly connected to the inner wall of the feeding bin 4, and the outer cutting knife 13 is arranged on the inner wall of the feeding bin 4 away from the bag outlet bin 7; a pair of push plates 12 with opposite rotation directions are rotatably connected to the plurality of cutting shafts, and the pair of push plates 12 reciprocate along the cutting shaft as the cutting shaft rotates and squeezes the drag reducer packaging bag.

[0020] When the present invention is in use, the bagged drag reducer is placed in the feeding bin 4 through the feeding port 6, and the drag reducer is supported by the adjacent partition plates 11 and the push plates 12; the cutting shaft is rotated, and the cutting shaft divides the packaging bag through the internal cutting knife 10, so that the drag reducer in the packaging bag flows into between the adjacent partition plates 11; at the same time, a pair of push plates 12 rotate along the dividing shaft to squeeze the packaging bag, so that the drag reducer in the packaging bag flows out quickly; in addition, the rotating bin 15 is rotated, and the rotating bin 15 drives the packaging bag to rotate through the partition plates 11, the push plates 12, etc., and contacts with the external cutting knife 13, so that the external cutting knife 13 divides the packaging bag again; the packaging bag is separated by the cooperation of the internal cutting knife 10 and the external cutting knife 13, and the packaging bag is reciprocally squeezed by the cooperation of the pair of push plates 12, so that the drag reducer in the packaging bag flows into the storage bin 1 for storage, thereby realizing the feeding process of the storage bin 1; in addition, the bag outlet bin 7 and the bag outlet structure 8 cooperate to assist the separation of the packaging bag from the feeding bin 4, thereby realizing the collection of the packaging bag.

[0021] Furthermore, if Figure 3 As shown, in order to make the rotating bin 15 rotate intermittently, an intermittent motor 5 is fixedly connected to the feeding bin 4, and a lever 17 is fixedly connected to the output end of the intermittent motor 5. The rotating bin 15 is coaxially fixed with a groove wheel 16 corresponding to the lever 17; the lever 17 cooperates with the groove wheel 16 to make the rotating bin 15 rotate intermittently; the lever 17 is coaxially fixed with a limiting disk, and a limiting groove corresponding to the limiting disk is provided on the groove wheel 16, and the groove wheel 16 is limited by the cooperation between the limiting disk and the limiting groove to improve the stability of the groove wheel 16 and the rotating bin 15.

[0022] Furthermore, if Figure 4 and Figure 6 As shown, in order to make the multiple cutting shafts rotate synchronously, a driving motor 19 is fixedly connected to the feeding bin 4, and a driving wheel 22 is fixedly connected to the output end of the driving motor 19. An outer gear ring 21 meshing with the driving wheel 22 is rotatably connected to the feeding bin 4; a synchronous gear ring 23 is rotatably connected in the rotating bin 15, and the multiple cutting shafts are coaxially fixedly connected with a cutting wheel 26 meshing with the synchronous gear ring 23; the outer gear ring 21 is coaxially fixedly connected with an inner gear ring 18, and the inner gear ring 18 is meshed with a driving wheel 20 coaxially fixedly connected with one of the cutting wheels 26.

[0023] Specifically, when the cutting shaft needs to rotate, the driving motor 19 is started, the driving motor 19 drives the driving wheel 22 to rotate, the driving wheel 22 drives the outer gear ring 21 to rotate, the outer gear ring 21 drives the driving wheel 20 to rotate through the inner gear ring 18; the driving wheel 20 drives one of the cutting wheels 26 to rotate, the cutting wheel 26 drives the remaining cutting wheels 26 to rotate synchronously through the synchronous gear ring 23, and then drives the cutting shaft to rotate synchronously, and the cutting shaft cuts the drag reducer packaging bag through the inner cutting knife 10.

[0024] Furthermore, if Figure 5 and Figure 6 As shown, in order to make the push plate 12 reciprocate and rotate along the cutting axis, the rotating bin 15 is slidably connected with a plurality of sliders 29 evenly distributed along the circumference, and the plurality of sliders 29 radially slide with the rotation of the gear ring. The plurality of sliders 29 are rotatably connected with a pair of push rods 14, and the pair of push rods 14 are rotatably connected with a pair of push plates 12 respectively; by making the sliders 29 slide radially along the rotating bin 15, the sliders 29 drive the push plate 12 to rotate along the cutting axis through the push rods 14.

[0025] Furthermore, in order to enable multiple sliders 29 to slide radially along the rotating bin 15 synchronously, a sleeve is rotatably connected to the rotating bin 15, and multiple rocking arms 27 are evenly distributed along the circumference of the sleeve; multiple rocking arms 27 are rotatably connected to a traction rod 28, and the other end of the traction rod 28 is rotatably connected to the slider 29; when the sleeve is rotated by a certain angle, the sleeve drives the traction rod 28 to rotate through the rocking arm 27, and the traction rod 28 drives the slider 29 to slide radially along the rotating bin 15.

[0026] Furthermore, in order to make the sleeve rotate reciprocatingly within a certain angle range, the rotating chamber 15 is also rotatably connected to an output wheel 24 meshing with the synchronous ring gear 23, and the output wheel 24 is coaxially fixed with a synchronous crank 30; the synchronous crank 30 is rotatably connected to a connecting rod 25, and the other end of the connecting rod 25 is rotatably connected to one of the rocking arms 27. As the synchronous ring gear 23 rotates, the output wheel 24 rotates along the rotating chamber 15, and the output wheel 24 drives the synchronous crank 30 to rotate. The synchronous crank 30, the connecting rod 25, and the rocking arm 27 form a crank rocker 27 mechanism, so that the synchronous crank 30 drives the rocking arm 27 to swing within a certain angle range through the connecting rod 25, and the rocking arm 27 drives the sleeve to swing reciprocatingly within a certain angle range.

[0027] Furthermore, the push plate 12 is provided with an inner notch corresponding to the inner cutting knife 10 and the outer cutting knife 13, and the partition plate 11 is provided with an outer notch corresponding to the outer cutting knife 13; the push plate 12 is evenly distributed with inner through holes, and the end of the partition plate 11 close to the outer notch is evenly distributed with outer through holes; through the setting of the inner through holes, the drag reducer can flow in the partition plate 11; through the setting of the outer through holes, the drag reducer can flow into the other side of the partition plate 11 through the outer through holes on the partition plate 11 during the rotation of the partition plate 11, so that after the drag reducer packaging bag is divided, the drag reducer can quickly flow to the storage bin 1 through the outer through holes; the bottom of the feeding bin 4 is provided with a discharge port connected to the storage bin 1, and the feeding bin 4 is provided with a filter screen 9 corresponding to the discharge port, and the drag reducer is filtered through the filter screen 9 to prevent the packaging bag debris from flowing into the feeding bin 4.

[0028] Furthermore, if Fig. 9 and Fig.10As shown, the bag outlet structure 8 includes a path structure arranged at both ends of the bag outlet bin 7, the output end of the path structure is connected to a connecting frame 35, and the path structure can drive the connecting frame 35 to move along a semicircular path; a clamping chamber 36 that can swing back and forth is rotatably connected to the connecting frame 35, and the clamping chamber 36 is provided with a clamping structure for clamping the packaging bag; a swing motor 37 is fixedly connected to the connecting frame 35, and the output end of the swing motor 37 is coaxially fixed to the clamping chamber 36.

[0029] The path structure drives the clamping structure to move along the semicircular path, so that the clamping structure first moves in a semicircular circle to a contact position with the packaging bag, and the swing motor 37 drives the clamping structure on the clamping chamber 36 to extend into the feeding bin 4 to clamp the packaging bag. Secondly, the radial movement along the semicircular path drives the packaging bag away from the feeding bin 4, so that the packaging bag flows out through the feeding bin 4 and the bag outlet bin 7.

[0030] Furthermore, the path structure includes a path motor 31 fixedly connected to the bag outlet bin 7, and an input rod 32 is fixedly connected to the output end of the path motor 31; slide cylinders 34 are rotatably connected to both ends of the bag outlet bin 7, and a pair of slide cylinders 34 are slidably connected to slide rods 33 vertically fixed to the connecting frame 35; when the path structure is in use, the path motor 31 is started, and the path motor 31 drives the input rod 32 to rotate, and the input rod 32 drives the slide rod 33 to slide along the slide cylinder 34, while the slide rod 33 drives the slide cylinder 34 to rotate along the bag outlet bin 7, so that the slide rod 33 drives the connecting frame 35 to move along a semicircular path.

[0031] Furthermore, if Fig.11 and Fig.12 As shown, the clamping structure includes a clamping motor 38 fixedly connected to the clamping chamber 36, and the output end of the clamping motor 38 is fixedly connected to a driving bevel gear 41; a synchronous shaft is rotatably connected in the clamping chamber 36, and a plurality of connecting bevel gears 42 are fixedly connected to the synchronous shaft, and the driving bevel gear 41 is meshed with one of the connecting bevel gears 42; a plurality of connecting bevel gears 42 are all meshed with driven bevel gears 43, and a plurality of driven bevel gears 43 are coaxially fixedly connected with a two-way crank 44; a moving rod 45 is rotatably connected to the two-way crank 44, and a clamping block 46 slidably connected to the clamping chamber 36 is rotatably connected to the moving rod 45, and a plurality of clamping rods 39 are fixedly connected to the clamping block 46; a guide rod 40 is fixedly connected in the clamping chamber 36, and the clamping block 46 is slidably connected to the guide rod 40.

[0032] When the clamping structure is in use, the clamping motor 38 is started, the clamping motor 38 drives the active bevel gear 41 to rotate, the active bevel gear 41 drives one of the connecting bevel gears 42 to rotate, the connecting bevel gear 42 drives the remaining connecting bevel gears 42 to rotate through the synchronous shaft; the connecting bevel gear 42 drives the two-way crank 44 to rotate through the driven bevel gear 43, the two-way crank 44 drives the clamping block 46 to slide along the guide rod 40 through the moving rod 45, and the clamping block 46 clamps the packaging bag through the clamping rod 39.

[0033] The working process of the present invention is: When the present invention is in use, the bagged drag reducer is placed into the feeding bin 4 through the feeding port 6, and the drag reducer is supported by the adjacent partition plates 11 and the push plates 12; the driving motor 19 is started, the driving motor 19 drives the driving wheel 22 to rotate, the driving wheel 22 drives the outer gear ring 21 to rotate, and the outer gear ring 21 drives the driving wheel 20 to rotate through the inner gear ring 18; the driving wheel 20 drives one of the cutting wheels 26 to rotate, the cutting wheel 26 drives the remaining cutting wheels 26 to rotate synchronously through the synchronous gear ring 23, and then drives the cutting shaft to rotate synchronously, and the cutting shaft cuts the drag reducer packaging bag through the inner cutting knife 10, so that the drag reducer in the packaging bag flows into between the adjacent partition plates 11.

[0034] At the same time, the synchronous gear ring 23 drives the output wheel 24 to rotate, and the output wheel 24 synchronizes the crank 30 to rotate. The synchronous crank 30 drives the rocker 27 to swing within a certain angle range through the connecting rod 25, and the rocker 27 drives the sleeve to swing back and forth within a certain angle range; the sleeve drives multiple traction rods 28 to rotate through multiple rockers 27, and the traction rods 28 drive the slider 29 to slide radially along the rotating bin 15. The slider 29 drives the push plate 12 to rotate along the cutting axis through the push rod 14, so that a pair of push plates 12 cooperate to squeeze the packaging bag, so that the drag reducer in the packaging bag can flow out quickly.

[0035] In addition, the intermittent motor 5 is started, and the intermittent motor 5 drives the rotating bin 15 to rotate a certain angle through the lever 17 and the groove wheel 16; the rotating bin 15 drives the packaging bag to rotate through the partition plate 11, the push plate 12, etc., and contacts the external cutting knife 13, so that the external cutting knife 13 divides the packaging bag again; during the rotation of the partition plate 11, the drag reducer flows into the storage bin 1 through the external through hole on the partition plate 11 and the filter screen 9 under the action of the partition plate 11 and its own gravity.

[0036] When the packaging bag rotates with the partition plate 11 to correspond to the bag outlet bin 7, the path motor 31 is started, and the path motor 31 drives the input rod 32 to rotate. The input rod 32 drives the slide rod 33 to slide along the slide cylinder 34, and the slide rod 33 drives the slide cylinder 34 to rotate along the bag outlet bin 7, so that the slide rod 33 drives the connecting frame 35 to move along the semicircular path; the clamping structure first moves in a circular motion along the semicircle to the contact position with the packaging bag, and the clamping structure on the clamping chamber 36 is driven by the swing motor 37 to extend into the feeding bin 4 to clamp the packaging bag, and then the radial motion along the semicircular path drives the packaging bag away from the feeding bin 4, so that the packaging bag flows out through the feeding bin 4 and the bag outlet bin 7.

Claims

1. A skid-mounted device for online configuration of dry powder drag reducer, comprising a storage bin (1), on which a feeding device is provided; characterized in that: The feeding device comprises a feeding bin (4) connected to a material storage bin (1), wherein a feeding port (6) is provided on the feeding bin (4); a bag outlet bin (7) is also provided on the feeding bin (4), wherein a bag outlet structure (8) is provided on the bag outlet bin (7); a rotating bin (15) is intermittently rotatably connected to the feeding bin (4), wherein the rotating bin (15) is provided with a plurality of partition plates (11) evenly distributed along the circumference; a cutting shaft rotatably connected to the rotating bin (15) is provided between adjacent partition plates (11), wherein a plurality of inner cutting knives (10) are provided on the cutting shaft; an outer cutting knife (13) corresponding to the inner cutting knife (10) is fixedly connected to the inner wall of the feeding bin (4), wherein the outer cutting knife (13) is provided on the inner wall of the feeding bin (4) away from the bag outlet bin (7); and a pair of push plates (12) rotating in opposite directions are rotatably connected to the plurality of cutting shafts, wherein the pair of push plates (12) rotate back and forth along the cutting shaft as the cutting shaft rotates and squeezes the drag reducer packaging bag.

2. The skid-mounted equipment for online configuration of dry powder drag reducer according to claim 1, characterized in that: An intermittent motor (5) is fixedly connected to the feeding bin (4), a lever (17) is fixedly connected to the output end of the intermittent motor (5), and a groove wheel (16) corresponding to the lever (17) is coaxially fixedly connected to the rotating bin (15); the lever (17) is coaxially fixedly connected to a limit plate, and a limit groove corresponding to the limit plate is provided on the groove wheel (16).

3. The skid-mounted equipment for online configuration of dry powder drag reducer according to claim 1, characterized in that: The feeding bin (4) is fixedly connected to a driving motor (19), the output end of the driving motor (19) is fixedly connected to a driving wheel (22), and the feeding bin (4) is rotatably connected to an outer gear ring (21) meshing with the driving wheel (22); the rotating bin (15) is rotatably connected to a synchronous gear ring (23), and the plurality of cutting shafts are coaxially fixedly connected to cutting wheels (26) meshing with the synchronous gear ring (23); the outer gear ring (21) is coaxially fixedly connected to an inner gear ring (18), and the inner gear ring (18) is meshed with a driving wheel (20) coaxially fixedly connected to one of the cutting wheels (26).

4. The skid-mounted equipment for online configuration of dry powder drag reducer according to claim 3, characterized in that: The rotating bin (15) is slidably connected to a plurality of sliders (29) evenly distributed along the circumference. The plurality of sliders (29) radially slide with the rotation of the gear ring. The plurality of sliders (29) are rotatably connected to a pair of push rods (14). The pair of push rods (14) are rotatably connected to a pair of push plates (12) respectively.

5. The skid-mounted equipment for online configuration of dry powder drag reducer according to claim 4, characterized in that: A sleeve is rotatably connected to the rotating bin (15), and a plurality of rocking arms (27) are evenly distributed along the circumference of the sleeve; the plurality of rocking arms (27) are rotatably connected to a traction rod (28), and the other end of the traction rod (28) is rotatably connected to a slider (29).

6. The skid-mounted equipment for online configuration of dry powder drag reducer according to claim 5, characterized in that: An output wheel (24) meshing with the synchronous gear ring (23) is also rotatably connected in the rotating chamber (15), and a synchronous crank (30) is coaxially fixedly connected to the output wheel (24); a connecting rod (25) is rotatably connected to the synchronous crank (30), and the other end of the connecting rod (25) is rotatably connected to one of the rocking arms (27).

7. The skid-mounted equipment for online configuration of dry powder drag reducer according to claim 1, characterized in that: The push plate (12) is provided with inner notches corresponding to the inner cutting knife (10) and the outer cutting knife (13), and the partition plate (11) is provided with outer notches corresponding to the outer cutting knife (13); the push plate (12) is evenly distributed with inner through holes, and the end of the partition plate (11) close to the outer notches is evenly distributed with outer through holes; the bottom of the feeding bin (4) is provided with a discharge port connected to the storage bin (1), and the feeding bin (4) is provided with a filter screen (9) corresponding to the discharge port.

8. The skid-mounted equipment for online configuration of dry powder drag reducer according to claim 1, characterized in that: The bag discharging structure (8) comprises a path structure arranged at both ends of the bag discharging bin (7), the output end of the path structure being connected to a connecting frame (35), and the path structure being capable of driving the connecting frame (35) to move along a semicircular path; a reciprocatingly swingable clamping chamber (36) being rotatably connected to the connecting frame (35), and a clamping structure for clamping the packaging bag being provided on the clamping chamber (36); and a swinging motor (37) being fixedly connected to the connecting frame (35), and the output end of the swinging motor (37) being coaxially fixedly connected to the clamping chamber (36).

9. The skid-mounted equipment for online configuration of dry powder drag reducer according to claim 8, characterized in that: The path structure comprises a path motor (31) fixedly connected to the bag outlet bin (7), and an input rod (32) is fixedly connected to the output end of the path motor (31); both ends of the bag outlet bin (7) are rotatably connected to slide cylinders (34), and a pair of slide cylinders (34) are slidably connected to slide rods (33) vertically fixed to a connecting frame (35).

10. The skid-mounted equipment for online configuration of dry powder drag reducer according to any one of claims 8 or 9, characterized in that: The clamping structure comprises a clamping motor (38) fixedly connected to a clamping chamber (36), wherein an output end of the clamping motor (38) is fixedly connected to a driving bevel gear (41); a synchronous shaft is rotatably connected in the clamping chamber (36), a plurality of connecting bevel gears (42) are fixedly connected to the synchronous shaft, and the driving bevel gear (41) is meshed with one of the connecting bevel gears (42); the plurality of connecting bevel gears (42) are all meshed with driven bevel gears (43), and the plurality of driven bevel gears (43) are coaxially fixedly connected to a bidirectional crank (44); a moving rod (45) is rotatably connected to the bidirectional crank (44), a clamping block (46) slidably connected to the clamping chamber (36) is rotatably connected to the moving rod (45), and a plurality of clamping rods (39) are fixedly connected to the clamping block (46); a guide rod (40) is fixedly connected in the clamping chamber (36), and the clamping block (46) is slidably connected to the guide rod (40).

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