Full-filtering type horizontal spiral discharging centrifugal machine

Abstract

The invention relates to the technical field of centrifugal machines, and discloses a full-filtering type horizontal spiral discharging centrifugal machine which comprises two machine bases, a lower machine shell is fixedly connected between the two machine bases, an upper machine shell is arranged on the lower machine shell, bearing pedestals are fixedly installed on the two machine bases, and the bearing pedestals are fixedly installed on the bearing pedestals. Connecting shafts are rotatably mounted on the opposite side faces of the two bearing seats, a filtering rotary drum is fixedly mounted between the two connecting shafts, a rotary drum is rotatably connected between the two side walls of the interior of the filtering rotary drum, the surface of the rotary drum is fixedly sleeved with a material pushing screw, a pipe seat is fixedly connected to the upper surface of one of the machine seats, and the pipe seat is fixedly connected with the lower surface of the other machine seat. When the centrifugal machine is used, the time for materials to stay in the filtering rotary drum can be prolonged, so that the materials are dehydrated more thoroughly, and meanwhile, the centrifugal machine has a washing effect on the materials.

Description

Technical Field

[0001] The invention relates to the technical field of centrifuges, in particular to a full-filtration horizontal spiral unloading centrifuge. Background Art

[0002] The centrifuge allows the suspension to enter the spiral cavity from the feed pipe and enter the drum through the injection port at the bottom of the spiral head close to the cone end. Under the action of the centrifugal field, the liquid phase in the slurry is separated through the screen set on the rotating wall, and the solid phase particles are retained in the drum. At the same time, the solid phase particles in the drum move from the small end of the drum to the large end of the drum under the action of centrifugal force and the differential speed between the spiral and the drum. During this movement, due to the increase in the rotating diameter, the centrifugal force increases rapidly, and the solid phase changes from a high moisture content solid at the initial entry to a low moisture content solid when it is discharged from the drum, thereby realizing automatic and continuous separation of solid and liquid phases.

[0003] However, some existing centrifuges still have some shortcomings during use. Commonly used centrifuges are single-arm support structures with limited length, resulting in insufficient material residence time, incomplete material dehydration, and poor washing effect. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a full-filtration horizontal spiral unloading centrifuge, which solves the problems that the commonly used centrifuge has a single spiral arm support structure, its length size is limited, the material residence time is insufficient, the material is not completely dehydrated, the washing effect is not good, and the like.

[0005] The present invention provides the following technical solution: a full-filtration horizontal spiral unloading centrifuge, comprising two machine bases, a lower casing fixedly connected between the two machine bases, an upper casing arranged on the lower machine base, bearing seats fixedly installed on the two machine bases, connecting shafts rotatably installed on the opposite sides of the two bearing seats, a filter drum fixedly installed between the two connecting shafts, a drum rotatably connected between the inner side walls of the filter drum, a pusher screw fixedly sleeved on the surface of the drum, a pipe seat fixedly connected to the upper surface of one of the machine bases, a feed pipe fixedly installed on the pipe seat, one end of the feed pipe extending to the inside of the filter drum and to the inside of the drum, a plurality of material distribution ports are provided on the surface of the drum, a plurality of water permeable holes are provided on the surface of the filter drum, a filter screen cylinder is fixedly installed on the inner wall of the filter drum, the pusher screw is in contact with the inner wall of the filter screen cylinder, a motor base fixedly connected to the two machine bases, a main drive motor is fixedly installed on one of the motor bases, and an auxiliary drive motor is fixedly installed on the other motor base.

[0006] Preferred technical solution 1: The main drive motor and the adjacent connecting shaft are driven by belt rollers and belts, and the filter drum can be driven to rotate by the main drive motor. The auxiliary drive motor and the differential are driven by belt rollers and belts, and one end of the drum extends to the outside of the connected filter drum and is fixedly connected to the differential.

[0007] This solution can drive the filter drum and the drum to rotate through the main drive motor and the auxiliary drive motor to filter the material and discharge the solid particles at the same time.

[0008] Preferred technical solution 2: The driving speeds of the main drive motor and the auxiliary drive motor have a difference of 1500 rpm, and the transmission conversion ratio of the differential is 50:1.

[0009] This solution can quickly push out solid particles through the differential speed between the filter drum and the push screw.

[0010] Preferred technical solution three: the lower surface of the lower housing is connected to a liquid outlet, and the lower surface of the lower housing is connected to a material outlet.

[0011] This solution facilitates the separate discharge of liquid and solid in the material.

[0012] Preferred technical solution four: a sealing ring is fixedly sleeved on the surface of the filter drum, a sealing groove is opened on the surface of the sealing ring, the inner walls of the lower casing and the upper casing are fixedly connected with sealing sheets, both of the sealing sheets match the sealing ring, the discharge port is located on the right side of the sealing ring, and the liquid outlet is located on the left side of the sealing ring.

[0013] This solution can separate the solid particles and liquid in the material to avoid mutual mixing and facilitate subsequent discharge.

[0014] Preferred technical solution five: a liquid inlet pipe is fixedly sleeved on the outer surface of the feed pipe, a plurality of water outlets are opened at one end of the liquid inlet pipe located inside the filter drum, a water source is connected to the outer end of the liquid inlet pipe, and a plurality of water permeable holes are opened on the surface of the drum.

[0015] This solution makes it easy to wash solid particles and ensure their cleanliness.

[0016] Preferred technical solution six: a discharge groove is provided on one end surface of the filter drum, and the discharge groove is located above the discharge port.

[0017] This solution facilitates the discharge of solid particles from the interior of the filter drum.

[0018] Preferred technical solution seven: a plurality of fixing rods are fixedly connected to the inner side wall of the filter drum, a material distribution bin is fixedly installed on one inner side wall of the filter drum, and the outlet of the material distribution bin matches the position of the material distribution port.

[0019] This solution can accelerate the material inside the distribution bin and then output it to the inside of the filter drum.

[0020] Compared with the prior art, the present invention provides a full-filtration horizontal spiral unloading centrifuge, which has the following beneficial effects: when in use, the material enters the centrifuge from the feed pipe, is accelerated in the spiral cloth bin, and then passes through the cloth port into the filter drum, the liquid in the material is thrown out through the filter screen cylinder, the solid particles are intercepted by the filter screen cylinder, and then the differential speed between the pusher spiral and the filter drum pushes the solid particles on the filter screen cylinder from the left end to the right end, and during the pushing process, the liquid mixed in the solid particles is continuously thrown out, and at the same time, washing liquid can be input from the liquid inlet pipe to wash the impurities remaining in the solid particles. Finally, the solid particles are discharged from the discharge port at the right end of the lower housing. When in use, the centrifuge can prolong the time that the material stays in the filter drum, so that the material is dehydrated more thoroughly, and at the same time has a washing effect on the material. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0022] Figure 2 A bottom view of the structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the filter drum structure of the present invention;

[0024] Figure 4 It is a cross-sectional view of the internal structure of the filter drum of the present invention;

[0025] Figure 5 It is a cross-sectional view of the internal structure of the drum of the present invention;

[0026] Figure 6 It is a cross-sectional view of the internal structure of the liquid inlet pipe of the present invention.

[0027] In the figure: 1. base; 2. lower housing; 3. upper housing; 4. bearing seat; 5. connecting shaft; 6. filter drum; 7. rotating drum; 8. pushing screw; 9. pipe seat; 10. feed pipe; 11. material distribution port; 12. water permeable hole; 13. filter mesh cylinder; 14. motor seat; 15. main drive motor; 16. auxiliary drive motor; 17. differential; 18. liquid outlet; 19. sealing ring; 20. sealing groove; 21. sealing sheet; 22. liquid inlet pipe; 23. material discharge trough; 24. fixing rod; 25. material distribution bin; 26. material discharge port. DETAILED DESCRIPTION

[0028] See also Figure 1-6 ,

[0029] Embodiment 1: A full-filtration horizontal spiral unloading centrifuge, comprising two machine bases 1, a lower housing 2 is fixedly connected between the two machine bases 1, an upper housing 3 is arranged on the lower housing 2, a bearing seat 4 is fixedly installed on the two machine bases 1, a connecting shaft 5 is rotatably installed on the opposite sides of the two bearing seats 4, a filter drum 6 is fixedly installed between the two connecting shafts 5, a rotating drum 7 is rotatably connected between the inner side walls of the filter drum 6, a pusher screw 8 is fixedly sleeved on the surface of the rotating drum 7, a pipe seat 9 is fixedly connected to the upper surface of one of the machine bases 1, and the pipe seat 9 A feed pipe 10 is fixedly installed on the upper surface, one end of which extends to the inside of the filter drum 6 and to the inside of the drum 7. A plurality of material distribution ports 11 are provided on the surface of the drum 7, and a plurality of water permeable holes 12 are provided on the surface of the filter drum 6. A filter screen cylinder 13 is fixedly installed on the inner wall of the filter drum 6, and a push screw 8 is in contact with the inner wall of the filter screen cylinder 13. Motor seats 14 are fixedly connected to the two machine seats 1, a main drive motor 15 is fixedly installed on one of the motor seats 14, and an auxiliary drive motor 16 is fixedly installed on the other motor seat 14.

[0030] Embodiment 2: The difference between this embodiment and embodiment 1 is that, the main drive motor 15 and the adjacent connecting shaft 5 are driven by belt rollers and belts, the filter drum 6 can be driven to rotate by the main drive motor 15, the auxiliary drive motor 16 and the differential 17 are driven by belt rollers and belts, one end of the drum 7 extends to the outside of the connected filter drum 6 and is fixedly connected to the differential 17, the main drive motor 15 and the auxiliary drive motor 16 can drive the filter drum 6 and the drum 7 to rotate, the material is filtered, and the solid particles are discharged at the same time.

[0031] Embodiment 3: The difference between this embodiment and embodiment 1 is that the driving speeds of the main drive motor 15 and the auxiliary drive motor 16 have a difference of 1500 rpm, the transmission conversion ratio of the differential 17 is 50:1, and the solid particles can be quickly pushed out through the differential between the filter drum 6 and the push screw 8.

[0032] Embodiment 4: The difference between this embodiment and embodiment 1 is that the lower surface of the lower casing 2 is connected with a liquid outlet 18, and the lower surface of the lower casing 2 is connected with a material outlet 26, so as to facilitate the separate discharge of liquid and solid in the material.

[0033] Embodiment 5: The difference between this embodiment and embodiment 1 is that, a sealing ring 19 is fixedly sleeved on the surface of the filter drum 6, a sealing groove 20 is opened on the surface of the sealing ring 19, the inner walls of the lower casing 2 and the upper casing 3 are fixedly connected with sealing sheets 21, the two sealing sheets 21 are matched with the sealing ring 19, the discharge port 26 is located on the right side of the sealing ring 19, and the liquid outlet 18 is located on the left side of the sealing ring 19, so that the solid particles and liquid in the material are separated to avoid mutual mixing, which is convenient for subsequent discharge.

[0034] Embodiment 6: The difference between this embodiment and embodiment 1 is that a liquid inlet pipe 22 is fixedly sleeved on the outer surface of the feed pipe 10, a plurality of water outlets are provided at one end of the liquid inlet pipe 22 located inside the filter drum 6, a plurality of water permeable holes are provided on the surface of the drum 7, and a water source is connected to the outer end of the liquid inlet pipe 22 to facilitate washing of the solid particles and ensure their cleanliness.

[0035] Embodiment 7: The difference between this embodiment and embodiment 1 is that a discharge groove 23 is provided on one end surface of the filter drum 6 , and the discharge groove 23 is located above the discharge port 26 to facilitate the discharge of solid particles from the inside of the filter drum 6 .

[0036] Embodiment 8: The difference between this embodiment and embodiment 1 is that, a plurality of fixing rods 24 are fixedly connected to the inner side wall of the filter drum 6, a material distribution bin 25 is fixedly installed on one side wall of the inner side of the filter drum 6, and the outlet of the material distribution bin 25 matches the position of the material distribution port 11, so that the material can be accelerated inside the material distribution bin 25 and then output to the inside of the filter drum 6.

[0037] In summary, when the full-filtration horizontal spiral unloading centrifuge is in use, the material enters the centrifuge from the feed pipe 10, is accelerated in the spiral material distribution bin 25, and then passes through the material distribution port 11 to enter the filter drum 6. The liquid in the material passes through the filter screen cylinder 13 and is thrown out, and the solid particles are intercepted by the filter screen cylinder 13. Then the differential speed between the pusher screw 8 and the filter drum 6 pushes the solid particles on the filter screen cylinder 13 from the left end to the right end. During the pushing process, the liquid mixed in the solid particles is continuously thrown out, and at the same time, washing liquid can be input from the liquid inlet pipe 22 to wash the impurities remaining in the solid particles. Finally, the solid particles are discharged from the discharge port 26 at the right end of the lower housing 2. When the centrifuge is in use, the time that the material stays in the filter drum can be prolonged, so that the material is dehydrated more thoroughly, and at the same time, it has a washing effect on the material.

Claims

1. A full-filtration horizontal spiral unloading centrifuge, comprising two machine bases (1), characterized in that: A lower casing (2) is fixedly connected between the two machine bases (1), an upper casing (3) is arranged on the lower casing (2), a bearing seat (4) is fixedly installed on the two machine bases (1), a connecting shaft (5) is rotatably installed on the opposite sides of the two bearing seats (4), a filter drum (6) is fixedly installed between the two connecting shafts (5), a rotating drum (7) is rotatably connected between the inner side walls of the filter drum (6), a pushing screw (8) is fixedly sleeved on the surface of the rotating drum (7), a pipe seat (9) is fixedly connected to the upper surface of one of the machine bases (1), a feed pipe (10) is fixedly installed on the pipe seat (9), and the feed pipe (10) is fixedly installed on the feed pipe (11). One end of the material pipe (10) extends to the interior of the filter drum (6) and to the interior of the drum (7); a plurality of material distribution openings (11) are provided on the surface of the drum (7); a plurality of water permeable holes (12) are provided on the surface of the filter drum (6); a filter screen cylinder (13) is fixedly mounted on the inner wall of the filter drum (6); the push screw (8) is in contact with the inner wall of the filter screen cylinder (13); motor seats (14) are fixedly connected to the two machine seats (1); a main transmission motor (15) is fixedly mounted on one of the motor seats (14); and an auxiliary transmission motor (16) is fixedly mounted on the other motor seat (14).

2. A full-filtration horizontal spiral unloading centrifuge according to claim 1, characterized in that: The main drive motor (15) and the adjacent connecting shaft (5) are driven by a belt roller and a belt. The main drive motor (15) can drive the filter drum (6) to rotate. The auxiliary drive motor (16) and the differential (17) are driven by a belt roller and a belt. One end of the drum (7) extends to the outside of the connected filter drum (6) and is fixedly connected to the differential (17).

3. A full-filtration horizontal spiral unloading centrifuge according to claim 1, characterized in that: The driving rotation speeds of the main drive motor (15) and the auxiliary drive motor (16) have a difference of 1500 rpm, and the transmission conversion ratio of the differential (17) is 50:

1.

4. A full-filtration horizontal spiral unloading centrifuge according to claim 1, characterized in that: The lower surface of the lower casing (2) is connected to a liquid outlet (18), and the lower surface of the lower casing (2) is connected to a material outlet (26).

5. A full-filtration horizontal spiral unloading centrifuge according to claim 1, characterized in that: A sealing ring (19) is fixedly sleeved on the surface of the filter drum (6), and a sealing groove (20) is provided on the surface of the sealing ring (19). The inner walls of the lower housing (2) and the upper housing (3) are fixedly connected with sealing sheets (21), and the two sealing sheets (21) are matched with the sealing ring (19). The material outlet (26) is located on the right side of the sealing ring (19), and the liquid outlet (18) is located on the left side of the sealing ring (19).

6. A full-filtration horizontal spiral unloading centrifuge according to claim 1, characterized in that: A liquid inlet pipe (22) is fixedly sleeved on the outer surface of the feed pipe (10); a plurality of water outlets are provided at one end of the liquid inlet pipe (22) located inside the filter drum (6); a water source is connected to one outer end of the liquid inlet pipe (22); and a plurality of water permeable holes are provided on the surface of the drum (7).

7. A full-filtration horizontal spiral unloading centrifuge according to claim 1, characterized in that: A discharge groove (23) is provided on one end surface of the filter drum (6), and the discharge groove (23) is located above the discharge port (26).

8. A full-filtration horizontal spiral unloading centrifuge according to claim 1, characterized in that: A plurality of fixing rods (24) are fixedly connected to the inner side wall of the filter drum (6), and a material distribution bin (25) is fixedly installed on the inner side wall of the filter drum (6), wherein the outlet of the material distribution bin (25) matches the position of the material distribution port (11).

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