Double-feeding combined spiral discharging sedimentation filtering centrifugal machine rotor

Abstract

The invention relates to the technical field of sedimentation filtering equipment, and discloses a double-feeding combined spiral discharging sedimentation filtering centrifugal machine rotor which comprises a machine base, a machine shell is arranged in the middle of the top end of the machine base, a sedimentation centrifugal combined barrel is arranged in the machine shell, and a centrifugal inner cavity is formed in the sedimentation centrifugal combined barrel. The sedimentation and centrifugation combined barrel is arranged in the machine shell, the sedimentation and centrifugation combined barrel is formed by combining the two centrifugal machines in a butt joint mode, and the differential mechanism can achieve small-differential-speed operation of the sedimentation filtering rotary drum and the two-way material pushing spiral blades. According to the device, the materials can be settled and filtered more quickly and conveniently, the efficiency is two times that of a common centrifugal machine, the materials and the waste liquid can be discharged more conveniently, and the requirement for settling and filtering of a user can be met.

Description

Technical Field

[0001] The invention relates to the technical field of sedimentation filtering equipment, in particular to a double-feed combined spiral unloading sedimentation filtering centrifuge rotor. Background Art

[0002] The spiral sedimentation unloading centrifuge has a drum and a screw pusher located inside the drum. The drum and the screw pusher rotate at high speed under the drive of the motor (due to the different speeds of the two due to the differential). The feed pipe extends into the inside of the screw pusher and a feeding hole is opened on the wall of the screw pusher. The material enters the screw pusher through the feed pipe and finally enters between the screw pusher and the drum through the feeding hole. The material is placed at high speed with the drum. Under the action of centrifugal force, the material is subjected to centrifugal acceleration that is thousands of times greater than gravity. The solid particles in the material have a large specific gravity and are subjected to a large centrifugal force. They quickly settle to the inner wall of the drum, while the light liquid phase is squeezed to the center of the drum to form a hollow liquid ring. The solids that settle on the drum wall are pushed to the slag outlet by the screw pusher.

[0003] However, the rotors of the spiral unloading sedimentation filtration centrifuges in the prior art are mostly separately arranged, so the sedimentation filtration efficiency of the materials in the centrifuge is low, and it is troublesome to discharge the materials and waste liquid after sedimentation filtration, which cannot meet the user's fast feeding sedimentation filtration needs. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a dual-feed combined spiral unloading sedimentation filtering centrifuge rotor, which solves the problem that the rotors of the spiral unloading sedimentation filtering centrifuges in the prior art are mostly set separately, and thus the sedimentation filtration efficiency of the material in the centrifuge is low, and it is more troublesome to discharge the material and waste liquid after sedimentation filtration, and it cannot meet the user's fast feeding sedimentation filtration needs.

[0005] The present invention provides the following technical solution: a double-feed combined spiral unloading sedimentation filtering centrifuge rotor, comprising a base, a housing is arranged in the middle of the top of the base, a sedimentation centrifuge combined cylinder is arranged in the housing, a centrifuge inner cavity is arranged in the sedimentation centrifuge combined cylinder, a discharge cavity is arranged on the outer wall of the sedimentation centrifuge combined cylinder, a bidirectional pushing spiral blade is arranged in the discharge cavity, and the centrifuge inner cavity and the discharge cavity are connected through a feed port arranged;

[0006] The sedimentation centrifugal combination cylinder is provided with a sedimentation filter drum, a plurality of drainage ports are provided on the outer side of the sedimentation centrifugal combination cylinder, and filter screens are provided on the sides of the drainage ports. A centrifugal cylinder connecting cover plate is provided at the end of the sedimentation centrifugal combination cylinder, and the centrifugal cylinder connecting cover plate is connected to the sedimentation centrifugal combination cylinder by bolts. A rotating support frame is connected to the side of the centrifugal cylinder connecting cover plate, and the end of the rotating support frame rotates and passes through the side of the casing, and a rotating fixed seat is provided at the bottom of the rotating support frame. A main transmission sleeve rod is provided at the top of the machine base, and the main transmission sleeve rod is sleeved on the outer side of the end of the centrifugal cylinder connecting cover plate, and a side support frame is provided on the side of the main transmission sleeve rod, and a pipeline limiting cylinder is inserted in the middle of the side support frame, and a feed pipe is inserted through the middle of the pipeline limiting cylinder, and the end of the feed pipe passes through the sides of the centrifugal cylinder connecting cover plate and the sedimentation centrifuge combination cylinder in turn, and extends to the middle of the sedimentation centrifuge combination cylinder, a valve is provided at the end of the feed pipe, and a discharge port is opened on the middle side of the feed pipe.

[0007] Preferred technical solution one: A centrifuge cylinder end fixing plate is provided at the other end of the sedimentation centrifuge combination cylinder, and the centrifuge cylinder end fixing plate is fixedly connected to the sedimentation centrifuge combination cylinder by bolts, and the end of the centrifuge cylinder end fixing plate rotates and passes through the side wall of the casing, and a middle transmission rod is provided in the middle of the centrifuge cylinder end fixing plate, and the middle transmission rod passes through the middle of the centrifuge cylinder end fixing plate, and a differential is provided on the outside of the casing, and the end of the middle transmission rod is connected to the output end of the differential, and the input end of the differential is connected to a transmission shaft, and the end of the transmission shaft is provided with an auxiliary transmission sleeve rod.

[0008] Preferred technical solution 2: Two top liquid inlet pipes are symmetrically arranged at the top of the casing, and the bottom ends of the top liquid inlet pipes are evenly connected to three nozzles. The bottom ends of the nozzles extend to the top of the casing, and two bottom liquid outlets are symmetrically opened at the bottom end of the casing.

[0009] Preferred technical solution three: the sedimentation centrifuge combination cylinder is composed of two spiral unloading sedimentation filtering centrifuges connected together.

[0010] Preferred technical solution 4: Two water outlet holes are symmetrically opened at both ends of the discharge cavity.

[0011] This solution enables the liquid entering the discharge cavity to be discharged better.

[0012] Preferred technical solution five: the filter screen is located on the inner wall of the sedimentation centrifugal combination cylinder and is arranged in close contact with the side of the drain outlet.

[0013] This solution enables the liquid that is rotated in the sedimentation centrifugal combination cylinder and thrown onto the inner wall of the discharge chamber to be better filtered by the filter screen.

[0014] Preferred technical solution six: A fixing frame is arranged on the outer side of the transmission shaft, and the fixing frame is connected to the top end of the machine base.

[0015] This solution can make the transmission of the transmission shaft more stable.

[0016] Preferred technical solution seven: A connecting pipe is provided at the top end of the top liquid inlet pipe, and a connecting flange is provided on the connecting pipe.

[0017] This solution can make it more convenient for users to connect the top liquid inlet pipe.

[0018] Preferred technical solution eight: The sedimentation centrifuge combination cylinder includes an outward convex sedimentation centrifuge combination cylinder and an inward concave centrifuge combination cylinder, a plurality of drainage holes are evenly arranged on the inner wall of the inward concave centrifuge combination cylinder, a discharge port is opened on the side wall in the middle of the discharge cavity, a discharge channel is arranged outside the discharge port, and two bottom liquid outlets are symmetrically opened at the bottom end of the casing, and the two liquid outlets are symmetrically distributed about the discharge channel.

[0019] Preferred technical solution nine: The sedimentation centrifuge combination cylinder also includes an outward convex sedimentation centrifuge combination cylinder, the outward convex sedimentation centrifuge combination cylinder, a clear liquid discharge pipe is arranged at the axis center of the convex sedimentation centrifuge combination cylinder, a drainage port is arranged at the axis center of the casing, and a filtrate port and a discharge port are arranged on both sides of the drainage port in sequence.

[0020] Compared with the prior art, the present invention provides a double-feed combined spiral unloading sedimentation filtering centrifuge rotor, which has the following beneficial effects: the present invention arranges a sedimentation centrifuge combination cylinder in the casing, and the sedimentation centrifuge combination cylinder is formed by docking and combining two centrifuges, so that the material transported to the sedimentation centrifuge combination cylinder through the feed pipe can be driven by the main transmission sleeve and the auxiliary transmission sleeve on the sedimentation centrifuge combination cylinder, so that the material entering the sedimentation centrifuge combination cylinder can be quickly centrifugally separated, and a differential is also arranged between the auxiliary transmission sleeve and the sedimentation centrifuge combination cylinder, and the differential can realize the small differential operation of the sedimentation filtering drum and the two-way pushing spiral blade, so that the material particles and waste liquid in the mixed material are quickly separated from each other, and the separated material can enter the discharge channel and be quickly discharged under the drive of the two-way pushing spiral blade, thereby completing the sedimentation filtering treatment of the material. The device can sediment and filter the material more quickly and conveniently, and the efficiency is twice that of an ordinary centrifuge. The discharge of the material and the waste liquid is also more convenient, which can meet the sedimentation filtering needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structural cross section of the present invention;

[0022] Figure 2 For the present invention Figure 1 A schematic diagram of the structure of a medium sedimentation centrifugal combination cylinder;

[0023] Figure 3 For the present invention Figure 1 A schematic diagram of the structure of the centrifugal cylinder connected to the cover plate;

[0024] Figure 4 For the present invention Figure 1 A schematic diagram of the structure of the fixing plate at the end of the centrifugal cylinder;

[0025] Figure 5 For the present invention Figure 4 A magnified view of the structure of the transmission rod in the middle;

[0026] Figure 6 For the present invention Figure 3 The overall structural diagram of the middle feed pipe;

[0027] Figure 7 This is a schematic diagram of the structure of Example 8 of the present invention.

[0028] In the figure: 1. base; 2. housing; 3. sedimentation centrifugal combined cylinder; 4. centrifugal inner cavity; 5. discharge cavity; 6. two-way pushing spiral blade; 7. feed inlet; 8. drainage hole; 9. discharge port; 10. discharge channel; 11. sedimentation filter drum; 12. drainage port; 13. filter screen; 14. centrifugal cylinder connecting cover plate; 15. rotating support frame; 16. rotating fixed seat; 17. main transmission sleeve rod; 18. side support frame ; 19. Pipe limit cylinder; 20. Feed pipe; 21. Valve; 22. Discharge port; 23. Centrifugal cylinder end fixing plate; 24. Middle transmission rod; 25. Differential; 26. Transmission shaft; 27. Auxiliary transmission sleeve; 28. Top liquid inlet pipe; 29. ​​Nozzle; 30. Bottom liquid outlet; 31. Outward convex sedimentation centrifugal combination cylinder; 32. Clear liquid discharge pipe; 33. Discharge port; 34. Filtrate port; 35. Discharge port. DETAILED DESCRIPTION

[0029] See also Figure 1-7 ,

[0030] Embodiment 1: A double-feed combined spiral unloading sedimentation filtering centrifuge rotor comprises a base 1, a casing 2 is arranged in the middle of the top of the base 1, a sedimentation centrifuge combination cylinder 3 is arranged in the casing 2, a centrifugal inner cavity 4 is arranged in the sedimentation centrifuge combination cylinder 3, a discharge cavity 5 is arranged on the outer wall of the sedimentation centrifuge combination cylinder 3, a bidirectional pushing spiral blade 6 is arranged in the discharge cavity 5, and the centrifugal inner cavity 4 and the discharge cavity 5 are connected via a feed port 7.

[0031] A plurality of drainage holes 8 are evenly arranged on the inner wall of the centrifugal inner cavity 4, a discharge port 9 is opened on the side wall in the middle of the discharge cavity 5, and a discharge channel 10 is arranged outside the discharge port 9, a sedimentation filter drum 11 is arranged on the sedimentation centrifugal combination cylinder 3, a plurality of drainage ports 12 are opened on the outside of the sedimentation centrifugal combination cylinder 3, and filter screens 13 are arranged on the sides of the drainage ports 12, a centrifugal cylinder connecting cover plate 14 is arranged at the end of the sedimentation centrifugal combination cylinder 3, the centrifugal cylinder connecting cover plate 14 is connected to the sedimentation centrifugal combination cylinder 3 by means of bolts, a rotating support frame 15 is connected to the side of the centrifugal cylinder connecting cover plate 14, and the end of the rotating support frame 15 rotates through the side of the casing 2, a rotating fixed seat 16 is arranged at the bottom of the rotating support frame 15, and a main transmission sleeve rod 17 is arranged at the top of the base 1.

[0032] The main transmission sleeve 17 is sleeved on the outer side of the end of the centrifugal cylinder connecting cover plate 14, and a side support frame 18 is arranged on the side of the main transmission sleeve 17. A pipe limiting cylinder 19 is inserted in the middle of the side support frame 18, and a feed pipe 20 is inserted through the middle of the pipe limiting cylinder 19. The end of the feed pipe 20 passes through the sides of the centrifugal cylinder connecting cover plate 14 and the sedimentation centrifuge combination cylinder 3 in turn, and extends to the middle of the sedimentation centrifuge combination cylinder 3. A valve 21 is arranged at the end of the feed pipe 20, and a discharge port 22 is opened on the middle side of the feed pipe 20.

[0033] A centrifugal cylinder end fixing plate 23 is provided at the other end of the sedimentation centrifugal combination cylinder 3. The centrifugal cylinder end fixing plate 23 is fixedly connected to the sedimentation centrifugal combination cylinder 3 by bolts. The end of the centrifugal cylinder end fixing plate 23 rotates and penetrates the side wall of the casing 2. A middle transmission rod 24 is provided in the middle of the centrifugal cylinder end fixing plate 23. The middle transmission rod 24 penetrates the middle of the centrifugal cylinder end fixing plate 23. A differential 25 is provided on the outside of the casing 2, and the end of the middle transmission rod 24 is connected to the output end of the differential 25.

[0034] The input end of the differential 25 is connected to a transmission shaft 26, and an auxiliary transmission sleeve rod 27 is provided at the end of the transmission shaft 26. Two top liquid inlet pipes 28 are symmetrically provided at the top of the casing 2, and the bottom ends of the top liquid inlet pipes 28 are evenly connected to three nozzles 29. The bottom ends of the nozzles 29 extend to the top of the casing 2, and two bottom liquid outlets 30 are symmetrically opened at the bottom end of the casing 2.

[0035] Embodiment 2: The difference between this embodiment and embodiment 1 is that the sedimentation centrifuge combination cylinder 3 is formed by connecting and combining two spiral unloading sedimentation filtering centrifuges.

[0036] Embodiment 3: The difference between this embodiment and embodiment 1 is that two water outlet holes are symmetrically provided at both ends of the discharge cavity 5 .

[0037] This enables the liquid entering the discharge chamber 5 to be discharged better.

[0038] Embodiment 4: The difference between this embodiment and embodiment 1 is that the filter screen 13 is located on the inner wall of the sedimentation centrifugal combination cylinder 3 and is arranged on the side of the drain outlet 12 .

[0039] The liquid that is rotated in the sedimentation centrifugal combination cylinder 3 and thrown onto the inner wall of the discharge chamber 5 can be better filtered by the filter screen 13.

[0040] Embodiment 5: The difference between this embodiment and embodiment 1 is that a fixing frame is provided on the outer side of the transmission shaft 26 , and the fixing frame is connected to the top end of the machine base 1 .

[0041] This makes the transmission of the transmission shaft 26 more stable.

[0042] Embodiment 6: The difference between this embodiment and embodiment 1 is that a connecting pipe is provided at the top end of the top liquid inlet pipe 28, and a connecting flange is provided on the connecting pipe.

[0043] This makes it more convenient for users to connect the top liquid inlet pipe 28.

[0044] Embodiment 7: The sedimentation centrifugal combination cylinder 3 includes an outwardly convex sedimentation centrifugal combination cylinder 31 and an inwardly concave centrifugal combination cylinder. A plurality of drainage holes 8 are evenly arranged on the inner wall of the inwardly concave centrifugal combination cylinder. A discharge port 9 is provided on the side wall in the middle of the discharge cavity 5. A discharge channel 10 is provided outside the discharge port 9. Two bottom liquid outlets 30 are symmetrically provided at the bottom end of the casing 2, and the two liquid outlets 30 are symmetrically distributed about the discharge channel 10.

[0045] Embodiment 8: The sedimentation centrifuge combination cylinder 3 also includes an outward convex sedimentation centrifuge combination cylinder 31. A clear liquid discharge pipe 32 is arranged at the axis center of the outward convex sedimentation centrifuge combination cylinder 31. A discharge port 33 is arranged at the axis center of the casing 2. A filtrate port 34 and a discharge port 35 are arranged on both sides of the discharge port 33 in sequence.

[0046] The equipment feed port continuously feeds materials and flows into the high-speed rotating drum, obtaining centrifugal force. Due to the different densities of the solid and liquid phases of the materials, the centrifugal forces obtained are also different. The solid phase with high density sticks to the drum and is pushed to the middle of the drum by the spiral blades on both sides, and is discharged from the discharge port in the middle of the drum into the discharge hopper; the liquid phase is suspended above the solid phase and slowly accumulates until it exceeds the overflow port on the bottom of the drum on both sides.

[0047] The solid material enters the outer drum through the feed port 7, and first settles and stratifies;

[0048] Most of the liquid phase flows out from the overflow port; the solid phase material containing water is then pushed to the discharge port by the bidirectional pushing spiral blades for discharge. During this period, the material passes through the filter screen, and the water in the solid phase material is discharged through the drain port 12. The drain hole 8 is the material washing hole

[0049] In this embodiment, since the rotors of the spiral unloading sedimentation filtration centrifuges in the prior art are mostly separately arranged, the sedimentation filtration efficiency of the material in the centrifuge is low, and it is more troublesome to discharge the material and waste liquid after sedimentation filtration, which cannot meet the user's fast feeding sedimentation filtration needs.

[0050] In summary, in specific implementation, when the user needs to perform sedimentation filtration on the material, the user first transports the material into the sedimentation centrifugal combination cylinder 3 through the feed pipe 20. A discharge port 22 is provided on the side of the feed pipe 20, so that the material can be evenly transported to the sedimentation centrifugal combination cylinder 3 through the end of the feed pipe 20 and the discharge port 22.

[0051] Next, the user drives the main transmission sleeve 17 to rotate through the motor, so that the main transmission sleeve 17 can drive the sedimentation centrifugal combination cylinder 3 to rotate through the rotating support frame 15, and the other end of the sedimentation centrifugal combination cylinder 3 drives the auxiliary transmission sleeve 27 through the motor, so that the auxiliary transmission sleeve 27 drives the transmission shaft 26 to rotate, and the differential 25 adjusts the speed. The adjusted speed drives the sedimentation centrifugal combination cylinder 3 to rotate through the middle transmission rod 24, so that the two ends of the sedimentation centrifugal combination cylinder 3 can be accelerated, and then the fixed particles and liquid in the material are separated in layers under the action of centrifugal force, and the fixed particles are deposited on the inner wall of the sedimentation filter drum 11, and the liquid phase forms a liquid ring to fill the drum.

[0052] The liquid attached to the inner wall of the sedimentation centrifugal combination cylinder 3 can overflow into the discharge chamber 5 through the drainage hole 8, and a drain port 12 is opened on the side wall of the discharge chamber 5. A filter screen 13 is arranged on the side of the drain port 12. The filter screen 13 can filter the liquid. The filtered liquid is discharged into the bottom side of the casing 2 through the drain port 12, and finally discharged through the bottom liquid outlet 30. The fixed particles in the filtration enter the discharge chamber 5 through the feed port 7, and are centrally pushed to the discharge port 9 through the two-way pushing spiral blades 6 arranged in the discharge chamber 5.

[0053] The material is discharged into the discharge channel 10 through the discharge port 9, and the material is discharged after sedimentation filtration through the discharge channel 10, thereby completing the sedimentation filtration treatment of the material. The device can sedimentate and filter the material more quickly and conveniently, and its efficiency is twice that of an ordinary centrifuge. The discharge of the material and the waste liquid is also more convenient, which can meet the sedimentation filtration needs of users.

Claims

1. A double-feed combined spiral discharge sedimentation filter centrifuge rotor, comprising a base (1), characterized in that: A housing (2) is provided in the middle of the top of the base (1), a sedimentation centrifugal combination cylinder (3) is provided in the housing (2), a centrifugal inner cavity (4) is provided in the sedimentation centrifugal combination cylinder (3), a discharge cavity (5) is provided on the outer wall of the sedimentation centrifugal combination cylinder (3), a bidirectional pushing spiral blade (6) is provided in the discharge cavity (5), and the centrifugal inner cavity (4) and the discharge cavity (5) are connected via a feed port (7); The sedimentation centrifugal combination cylinder (3) is provided with a sedimentation filter drum (11), the outer side of the sedimentation centrifugal combination cylinder (3) is provided with a plurality of drainage ports (12), the sides of the drainage ports (12) are provided with filter screens (13), the end of the sedimentation centrifugal combination cylinder (3) is provided with a centrifugal cylinder connecting cover plate (14), the centrifugal cylinder connecting cover plate (14) and the sedimentation centrifugal combination cylinder (3) are connected by bolts, the side of the centrifugal cylinder connecting cover plate (14) is connected with a rotating support frame (15), the end of the rotating support frame (15) rotates through the side of the casing (2), the bottom of the rotating support frame (15) is provided with a rotating fixed seat (16), the base (1) A main transmission sleeve (17) is provided at the top end thereof, the main transmission sleeve (17) being sleeved on the outer side of the end of the centrifugal cylinder connecting cover plate (14), a side support frame (18) is provided on the side of the main transmission sleeve (17), a pipeline limiting cylinder (19) is inserted in the middle of the side support frame (18), a feed pipe (20) is inserted through the middle of the pipeline limiting cylinder (19), the end of the feed pipe (20) passes through the sides of the centrifugal cylinder connecting cover plate (14) and the sedimentation centrifugal combination cylinder (3) in sequence, and extends to the middle of the sedimentation centrifugal combination cylinder (3), a valve (21) is provided at the end of the feed pipe (20), and a discharge port (22) is opened on the side of the middle of the feed pipe (20).

2. A dual-feed combined spiral discharge sedimentation filter centrifuge rotor according to claim 1, characterized in that: A centrifugal cylinder end fixing plate (23) is provided at the other end of the sedimentation centrifugal combination cylinder (3), the centrifugal cylinder end fixing plate (23) and the sedimentation centrifugal combination cylinder (3) are fixedly connected by bolts, the end of the centrifugal cylinder end fixing plate (23) rotates to penetrate the side wall of the casing (2), a middle transmission rod (24) is provided in the middle of the centrifugal cylinder end fixing plate (23), the middle transmission rod (24) penetrates the middle of the centrifugal cylinder end fixing plate (23), a differential (25) is provided on the outside of the casing (2), the end of the middle transmission rod (24) is connected to the output end of the differential (25), the input end of the differential (25) is connected to a transmission shaft (26), and the end of the transmission shaft (26) is provided with an auxiliary transmission sleeve rod (27).

3. A dual-feed combined spiral unloading sedimentation filter centrifuge rotor according to claim 2, characterized in that: Two top liquid inlet pipes (28) are symmetrically arranged at the top of the housing (2), and the bottom ends of the top liquid inlet pipes (28) are evenly connected to three spray heads (29), and the bottom ends of the spray heads (29) all extend to the top of the housing (2).

4. A dual-feed combined spiral discharge sedimentation filter centrifuge rotor according to claim 3, characterized in that: The sedimentation centrifuge combination cylinder (3) is formed by the butt-jointed combination of two spiral unloading sedimentation filtering centrifuges.

5. A dual-feed combined spiral discharge sedimentation filter centrifuge rotor according to claim 4, characterized in that: Two water outlet holes are symmetrically provided at both ends of the discharge cavity (5).

6. A dual-feed combined spiral discharge sedimentation filter centrifuge rotor according to claim 5, characterized in that: The filter screen (13) is located on the inner wall of the sedimentation centrifugal combination cylinder (3) and is arranged in close contact with the side of the drainage port (12).

7. A dual-feed combined spiral discharge sedimentation filter centrifuge rotor according to claim 6, characterized in that: A fixing frame is arranged on the outer side of the transmission shaft (26), and the fixing frame is connected to the top end of the machine base (1).

8. The dual-feed combined spiral unloading sedimentation filter centrifuge rotor according to claim 7, characterized in that: A connecting pipe is arranged at the top end of the top liquid inlet pipe (28), and a connecting flange is arranged on the connecting pipe.

9. A dual-feed combined spiral discharge sedimentation filter centrifuge rotor according to claim 8, characterized in that: The sedimentation centrifugal combination cylinder (3) comprises an outwardly convex sedimentation centrifugal combination cylinder (31) and an inwardly concave centrifugal combination cylinder, a plurality of drainage holes (8) are evenly arranged on the inner wall of the inwardly concave centrifugal combination cylinder, a discharge port (9) is provided on the side wall in the middle of the discharge cavity (5), a discharge channel (10) is provided outside the discharge port (9), and two bottom liquid outlets (30) are symmetrically arranged at the bottom end of the casing (2), and the two liquid outlets (30) are symmetrically distributed with respect to the discharge channel (10).

10. A dual-feed combined spiral discharge sedimentation filter centrifuge rotor according to claim 9, characterized in that: The sedimentation centrifuge combination barrel (3) further comprises an outwardly convex sedimentation centrifuge combination barrel (31), wherein a clear liquid discharge pipe (32) is arranged at the axis of the outwardly convex sedimentation centrifuge combination barrel (31), a liquid discharge port (33) is arranged at the axis of the casing (2), and a filtrate port (34) and a discharge port (35) are arranged in sequence on both sides of the liquid discharge port (33).

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