CN214437071U

CN214437071U - Flat-disc filter

Info

Publication number: CN214437071U
Application number: CN202022901169.8U
Authority: CN
Inventors: 石海东; 王保兴
Original assignee: Zibo Boshan Wantong Machinery Factory
Current assignee: Zibo Boshan Wantong Machinery Factory
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-10-22
Anticipated expiration: 2030-12-04

Abstract

The utility model belongs to the technical field of filtering machines, and relates to a flat disc filtering machine, which comprises a rotary disc filtering device, wherein a material distribution device and a spiral discharging device are arranged above the rotary disc filtering device, a suction filtration mechanism is arranged below the rotary disc filtering device, and the suction filtration mechanism is communicated with an external vacuum pumping device; the lower part of the suction filtration mechanism is fixed on the turntable frame, and the turntable filtration device is driven by the driving mechanism through the main shaft to complete rotation; a washing device and a rinsing device are also arranged above the rotary disc filtering device. The utility model discloses it is better to filter the washing effect to small, occupation space is little.

Description

Flat-disc filter

Technical Field

The utility model relates to a flat-disc filter belongs to filter technical field.

Background

The filter is the equipment commonly used in the chemical industry field and the ore dressing industry, and is mainly used for separating solid and liquid from slurry and collecting solid materials and washed liquid respectively, but the existing filter equipment has the disadvantages of large volume, large occupied space, unsatisfactory filtering and washing effects and low material qualification rate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the flat disc filter has good filtering and washing effects, small volume and small occupied space.

The flat disc filter comprises a rotary disc filter device, a material distribution device and a spiral discharging device are arranged above the rotary disc filter device, a suction filtration mechanism is arranged below the rotary disc filter device, and the suction filtration mechanism is communicated with an external vacuum-pumping device; the lower part of the suction filtration mechanism is fixed on the turntable frame, and the turntable filtration device is driven by the driving mechanism through the main shaft to complete rotation; a washing device and a rinsing device are also arranged above the rotary disc filtering device.

The slurry is distributed on the rotary disc filtering device by the distributing device and is filtered by the rotary disc filtering device in a rotating mode, solid materials are kept on the rotary disc filtering device in the rotating and filtering process and are washed by the rinsing device and the water washing device in sequence, and liquid in the slurry and washing liquid in the washing process are discharged by the suction filtering mechanism. The external vacuum extractor provides a vacuum environment for the suction filtration mechanism, and is favorable for quick discharge of liquid. The driving mechanism is a driving motor, and a main shaft of the driving motor drives the turntable filtering device to complete rotation.

Preferably, the rotary disc filtering device comprises a filtering disc and a plurality of discharging pipes; the filter disc comprises a circular ring tray, filter cloth is arranged on the upper surface of the circular ring tray, the filter cloth is fixed with a filter cloth fixing straight strip on the upper surface of the circular ring tray, an inner enclosing plate and an outer enclosing plate are respectively arranged on the inner diameter and the outer diameter of the circular ring tray, an upper cover plate is arranged at the top end of the inner enclosing plate, a plurality of bracket plates are arranged at the bottom of the circular ring tray, one end of each bracket plate is fixedly connected with the outer wall of the middle sleeve, the middle sleeve is fixedly connected with the main shaft, a distribution valve plate is arranged at the bottom end of the middle sleeve, and a plurality of through holes are formed in the distribution valve plate; a plurality of liquid outlets are formed in the circular tray, each liquid outlet is connected with one end of a discharging pipe, and the other end of each discharging pipe is correspondingly communicated with a through hole in the distribution valve plate. The liquid outlet is funnel-shaped, so that no material is stored, and dead angles are avoided; the middle sleeve top is equipped with the lug, and the assembly of easy to assemble. In the working process, the slurry flows to the upper part of the filter cloth, solid materials are left above the filter cloth along with the rotation process of the filter cloth filter disc, and liquid flows into the suction filtration mechanism through the liquid outlet, the discharge pipe and the through hole of the distribution valve plate and is discharged by the suction filtration mechanism. The fixed straight strips of the filter cloth are higher than the plane of the circular tray, so that enough space is formed between the plane of the circular tray and the filter cloth, and liquid and solid can be separated conveniently; the plurality of bracket plates play a role in supporting the circular ring tray. The driving motor drives the main shaft to rotate, and the main shaft drives the whole circular ring tray to rotate through the middle sleeve and the bracket plate.

Preferably, the suction filtration mechanism comprises a central valve body seat, a lower air-staggering disc is fixed at the top of the central valve body seat, a movable air-staggering disc is placed above the lower air-staggering disc, the movable air-staggering disc is fixed with a pipeline connecting disc at the top of the movable air-staggering disc, a plurality of connecting flanges are fixed on the upper surface of the pipeline connecting disc, the connecting flanges are respectively connected with the distribution valve plate, and each connecting flange corresponds to one through hole in the distribution valve plate; a valve cavity is arranged in the central valve body seat, the valve cavity is communicated with one end of a straight pipe, and the other end of the straight pipe is connected with an external vacuum-pumping device; the movable air staggering disc is provided with a plurality of air staggering holes, and one air staggering hole corresponds to one through hole. The continuous 3/4 disk surface of the lower staggered air disk is provided with an arc-shaped slot hole which is sold on the market. The liquid discharged from the discharge pipe passes through the through hole of the distribution valve plate, then enters the valve cavity of the central valve body seat through the staggered hole of the movable staggered air disk and the arc-shaped slotted hole of the lower staggered air disk, and then is discharged through the straight pipe. The movable gas-distributing disc and the pipeline connecting disc rotate together with the rotary disc filtering device, and the movable gas-distributing disc and the lower gas-distributing disc can be made of wear-resistant materials.

Preferably, the spiral discharging device comprises a discharging spiral, and a main shaft of the discharging spiral is driven by a discharging motor. When the solid material moves to the position of the discharge screw through cleaning along with the filter disc, the solid material is conveyed to the outside of the filter disc by the discharge screw to be collected.

Preferably, the washing device include the washing long tube, the washing long tube radially sets up along filtering the dish, is equipped with many washing nozzle stub of different length on the washing long tube, the washing nozzle stub sets up with the washing long tube is perpendicular, the washing long tube communicates with the washing nozzle stub to washing nozzle stub and washing long tube bottom surface all are equipped with a plurality of holes that spray. The water washing device has wide spraying range and can clean solid materials more thoroughly.

Preferably, the rinsing device comprises 1-3 rinsing long pipes, the rinsing long pipes are arranged along the radial direction of the filtering disc, and a plurality of water outlet holes are formed in the bottom surface of each rinsing long pipe. A plurality of rinsing long pipes are uniformly distributed above the filter disc, so that solid materials can be rinsed for many times.

Preferably, the washing long tube and the rinsing long tube are supported above the circular tray through a semicircular support frame, the semicircular support frame is supported by an L-shaped support, one end part of a support leg of the L-shaped support is fixed with the semicircular support frame, and the other support leg is fixed on the ground. The long washing pipe and the long rinsing pipe are reliably fixed.

Preferably, the distributing device and the spiral discharging device are arranged adjacently, and the minor arc length between the distributing device and the spiral discharging device is less than 1/4 arc length; the washing device and the rinsing device are arranged above the filter disc corresponding to the major arcs between the distributing device and the spiral discharging device. After the slurry flows out of the distributing device, the slurry is cleaned and filtered for a long time and a long distance and is finally discharged through the spiral discharging device, and the cleaning and filtering effects are good.

Preferably, the fixed straight strips of several filter cloths equipartition on ring tray upper surface to the fixed straight strips of filter cloth is cut apart into a plurality of fan-shaped rings with ring tray, all is equipped with 1 liquid outlet in every fan-shaped ring, can guarantee that filtrating fully discharges, does not keep the dead angle.

Preferably, the distributing device comprises a hopper, 4 feed openings are formed in the bottom of the hopper, each feed opening is communicated with one end of one feed pipe, and the other end of each feed pipe is aligned to the rotary table filtering device. The other end of the discharging pipe faces different directions respectively, and the slurry can be uniformly distributed on the rotary table filtering device, so that the solid material is prevented from being stacked, and the solid material is more thoroughly cleaned.

Compared with the prior art, the utility model beneficial effect who has is:

the utility model has the advantages of reasonable design, it is better to filter the cleaning performance to it is small, occupation space is little.

Drawings

FIG. 1 is a schematic structural view (front view) of a flat disc filter;

FIG. 2 is a schematic structural view (top view) of a flat disc filter;

FIG. 3 is a front view of the rotary disc filter apparatus;

FIG. 4 is a top view of the rotary disc filter assembly;

FIG. 5 is a schematic structural view of a suction filtration mechanism;

FIG. 6 is a schematic view of the structure of a lower air-staggering disc;

FIG. 7 is a schematic view of the structure of the movable air-break disc;

FIG. 8 is a schematic view of a pipe coupling;

FIG. 9, a top view of the central valve body seat;

FIG. 10 is a front view of the distributing device;

fig. 11 is a plan view of the distributing device.

In the figure: 1. a rotary disc filter device; 2. a material distribution device; 3. a screw discharge device; 4. a discharging motor; 5. a drive mechanism; 6. a turntable frame; 7. a suction filtration mechanism; 8. an L-shaped bracket; 9. rinsing the long pipe; 10. washing the long tube with water; 11. washing the short pipe with water; 12. a peripheral plate; 13. a circular ring tray; 14. an inner coaming; 15. an upper cover plate; 16. lifting lugs; 17. a middle sleeve; 18. a bracket plate; 19. a discharge pipe; 20. a distribution valve plate; 21. fixing straight strips by filter cloth; 22. a liquid outlet; 23. a lower staggered air disc; 24. a pipe coupling; 25. a connecting flange; 26. a movable air-staggering disc; 27. a straight pipe; 28. a central valve body seat; 29. a valve cavity; 30. an arc-shaped slot; 31. air holes are staggered; 32. a discharging pipe; 33. a hopper; 34. a semi-circular support 34.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-11, the flat disc filter of the present invention comprises a rotary disc filter device 1, a material distribution device 2 and a spiral discharge device 3 are arranged above the rotary disc filter device 1, a suction filtration mechanism 7 is arranged below the rotary disc filter device 1, and the suction filtration mechanism 7 is communicated with an external vacuum pumping device; the lower part of the suction filtration mechanism 7 is fixed on the turntable frame 6, and the turntable filter device 1 is driven by the driving mechanism 5 through the main shaft to complete rotation; a water washing device and a rinsing device are also arranged above the rotary disc filtering device 1.

In this embodiment:

the rotary disc filtering device 1 comprises a filtering disc and a plurality of discharging pipes 19; the filter disc comprises a circular ring tray 13, filter cloth is arranged on the upper surface of the circular ring tray 13 and fixed with filter cloth fixing straight strips 21 on the upper surface of the circular ring tray 13, inner enclosing plates 14 and outer enclosing plates 12 are respectively arranged on the inner diameter and the outer diameter of the circular ring tray 13, an upper cover plate 15 is arranged at the top end of each inner enclosing plate 14, a plurality of bracket plates 18 are arranged at the bottom of the circular ring tray 13, one ends of the plurality of bracket plates 18 are fixedly connected with the outer wall of a middle sleeve 17 at the same time, the middle sleeve 17 is fixedly connected with a main shaft, a distribution valve plate 20 is arranged at the bottom end of the middle sleeve 17, and a plurality of through holes are formed in the distribution valve plate 20; a plurality of liquid outlets 22 are arranged on the circular tray 13, each liquid outlet 22 is connected with one end of a discharge pipe 19, and the other end of each discharge pipe 19 is correspondingly communicated with a through hole on the distribution valve plate 20. The liquid outlet 22 is funnel-shaped, so that no material is stored, and dead angles are avoided; the top end of the middle sleeve 17 is provided with a lifting lug 16, which is convenient for installation and assembly. In the working process, the slurry flows to the upper part of the filter cloth, solid materials are left above the filter cloth along with the rotation process of the filter cloth filter disc, and liquid flows into the suction filtration mechanism 7 through the liquid outlet 22, the discharge pipe 19 and the through holes of the distribution valve plate 20 and is discharged by the suction filtration mechanism 7. The filter cloth fixing straight strips 21 are higher than the plane of the circular tray 13, so that enough space is formed between the plane of the circular tray 13 and the filter cloth, and liquid and solid separation is facilitated; a plurality of carrier plates 18 support the ring tray 13. The driving motor drives the main shaft to rotate, and the main shaft drives the whole circular ring tray 13 to rotate through the middle sleeve 17 and the bracket plate 18.

The suction filtration mechanism 7 comprises a central valve body seat 28, a lower gas staggering disc 23 is fixed at the top of the central valve body seat 28, a movable gas staggering disc 26 is placed above the lower gas staggering disc 23, the movable gas staggering disc 26 is fixed with a pipeline connecting disc 24 at the top of the movable gas staggering disc 26, a plurality of connecting flanges 25 are fixed on the upper surface of the pipeline connecting disc 24, the plurality of connecting flanges 25 are respectively connected with the distribution valve plates 20, and each connecting flange 25 corresponds to one through hole in the distribution valve plate 20; a valve cavity 29 is arranged in the central valve body seat 28, the valve cavity 29 is communicated with one end of the straight pipe 27, and the other end of the straight pipe 27 is connected with an external vacuum-pumping device; the movable air staggering disc 26 is provided with a plurality of air staggering holes 31, and one air staggering hole 31 corresponds to one through hole. The continuous 3/4 disk surface of the lower air distributing plate 23 is provided with an arc-shaped slot 30 which is sold on the market. The liquid discharged from the discharge pipe 19 passes through the through hole of the distribution valve plate 20, then passes through the gas-staggering hole 31 of the movable gas-staggering disc 26 and the arc-shaped slotted hole 30 of the lower gas-staggering disc 23 to enter the valve cavity 29 of the central valve body seat 28, and then is discharged through the straight pipe 27. The movable gas staggering disc 26 and the pipeline connecting disc 24 rotate together with the rotary disc filtering device 1, and wear-resistant materials can be used for the movable gas staggering disc 26 and the lower gas staggering disc 23.

The spiral discharging device 3 comprises a discharging spiral, and a main shaft of the discharging spiral is driven by a discharging motor 4. When the solid material moves to the position of the discharge screw through cleaning along with the filter disc, the solid material is conveyed to the outside of the filter disc by the discharge screw to be collected.

The washing device includes washing long tube 10, and washing long tube 10 is equipped with many washing nozzle stub 11 of different length along the radial setting of filter disc on the washing long tube 10, and washing nozzle stub 11 sets up with washing long tube 10 is perpendicular, and washing long tube 10 and washing nozzle stub 11 intercommunication to washing nozzle stub 11 all is equipped with a plurality of holes that spray with washing long tube 10 bottom surface. The water washing device has wide spraying range and can clean solid materials more thoroughly.

The rinsing device comprises 1-3 rinsing long pipes 9, the rinsing long pipes 9 are arranged along the radial direction of the filter disc, and a plurality of water outlet holes are formed in the bottom surface of each rinsing long pipe 9. A plurality of rinsing long pipes 9 are uniformly distributed above the filter disc, and can rinse solid materials for a plurality of times.

The washing long pipe 10 and the rinsing long pipe 9 are supported above the circular tray 13 through the semicircular support frame 34, the semicircular support frame 34 is supported by the L-shaped support 8, one end part of the support leg of the L-shaped support 8 is fixed with the semicircular support frame 34, and the other support leg is fixed on the ground. The long washing pipe 10 and the long rinsing pipe 9 are reliably fixed.

The distributing device 2 and the spiral discharging device 3 are arranged adjacently, and the length of a minor arc between the distributing device 2 and the spiral discharging device 3 is less than the length of an 1/4 arc; the washing device and the rinsing device are arranged above the filter disc corresponding to the major arc between the distributing device 2 and the spiral discharging device 3. After the slurry flows out from the distributing device 2, the slurry is cleaned and filtered for a long time and at a long distance and is finally discharged through the spiral discharging device 3, and the cleaning and filtering effects are better.

A plurality of fixed straight bars 21 equipartitions of filter cloth are at ring tray 13 upper surface to the fixed straight bar 21 of filter cloth is cut apart into a plurality of fan-shaped rings with ring tray 13, all is equipped with 1 liquid outlet 22 in every fan-shaped ring, can guarantee that filtrating fully discharges, does not keep the dead angle.

The distributing device 2 comprises a hopper 33, 4 feed openings are formed in the bottom of the hopper 33, each feed opening is communicated with one end of one feeding pipe 32, and the other end of each feeding pipe 32 is aligned to the rotary disc filtering device 1. The other end of the discharging pipe 32 faces different directions respectively, so that slurry can be uniformly distributed on the rotary table filtering device 1, the accumulation of solid materials is avoided, and the solid materials are cleaned more thoroughly.

The slurry is distributed on the filter cloth of the rotary disc filtering device 1 through the discharging pipe 32 of the distributing device 2, the rotary disc filtering device 1 is driven to rotate through the driving motor to filter, the solid materials are kept on the rotary disc filtering device 1 in the rotating filtering process and are sequentially cleaned through the rinsing device and the water washing device, and liquid in the slurry and cleaning liquid in the cleaning process are discharged through the suction filtering mechanism 7. An external vacuum extractor provides a vacuum environment for the suction filtration mechanism 7, and is beneficial to the rapid discharge of liquid. The driving mechanism 5 is a driving motor, and a main shaft of the driving motor drives the turntable filtering device 1 to complete rotation.

Claims

1. A flat-disc filter is characterized in that: the rotary disc type vacuum filter comprises a rotary disc filtering device (1), wherein a material distribution device (2) and a spiral discharging device (3) are arranged above the rotary disc filtering device (1), a suction filtration mechanism (7) is arranged below the rotary disc filtering device (1), and the suction filtration mechanism (7) is communicated with an external vacuum device; the lower part of the suction filtration mechanism (7) is fixed on the turntable rack (6), and the turntable filter device (1) is driven by the driving mechanism (5) through the main shaft to complete rotation; a water washing device and a rinsing device are also arranged above the rotary disc filtering device (1).

2. The flat-disc filter according to claim 1, wherein: the rotary disc filtering device (1) comprises a filtering disc and a plurality of discharging pipes (19); the filter disc comprises a circular ring tray (13), filter cloth is arranged on the upper surface of the circular ring tray (13), the filter cloth is fixed with a filter cloth fixing straight strip (21) on the upper surface of the circular ring tray (13), an inner enclosing plate (14) and an outer enclosing plate (12) are respectively arranged on the inner diameter and the outer diameter of the circular ring tray (13), an upper cover plate (15) is arranged at the top end of the inner enclosing plate (14), a plurality of bracket plates (18) are arranged at the bottom of the circular ring tray (13), one ends of the plurality of bracket plates (18) are fixedly connected with the outer wall of a middle sleeve (17), the middle sleeve (17) is fixedly connected with a main shaft, a distribution valve plate (20) is arranged at the bottom end of the middle sleeve (17), and a plurality of through holes are formed in the distribution valve plate (20); a plurality of liquid outlets (22) are arranged on the circular tray, each liquid outlet (22) is connected with one end of a discharge pipe (19), and the other end of each discharge pipe (19) corresponds to a through hole in the communicating distribution valve plate (20).

3. The flat-disc filter according to claim 2, wherein: the suction filtration mechanism (7) comprises a central valve body seat (28), a lower air distributing disc (23) is fixed at the top of the central valve body seat (28), a movable air distributing disc (26) is placed above the lower air distributing disc (23), the movable air distributing disc (26) is fixed with a pipeline connecting disc (24) at the top of the movable air distributing disc (26), a plurality of connecting flanges (25) are fixed on the upper surface of the pipeline connecting disc (24), the connecting flanges (25) are respectively connected with the distribution valve plate (20), and each connecting flange (25) corresponds to one through hole in the distribution valve plate (20); a valve cavity (29) is arranged in the central valve body seat (28), and the valve cavity (29) is communicated with one end of the straight pipe (27); a plurality of staggered air holes (31) are arranged on the movable staggered air disc (26), and one staggered air hole (31) corresponds to one through hole.

4. The flat-disc filter according to claim 1, wherein: the spiral discharging device (3) comprises a discharging spiral, and a main shaft of the discharging spiral is driven by a discharging motor.

5. The flat-disc filter according to claim 2, wherein: the washing device comprises a washing long pipe (10), the washing long pipe (10) is radially arranged along a filter disc, a plurality of washing short pipes (11) with different lengths are arranged on the washing long pipe (10), the washing short pipes (11) are perpendicular to the washing long pipe (10), the washing long pipe (10) is communicated with the washing short pipes (11), and a plurality of spraying holes are formed in the bottom surfaces of the washing short pipes (11) and the washing long pipe (10).

6. The flat-disc filter according to claim 5, wherein: the rinsing device comprises 1-3 rinsing long pipes (9), the rinsing long pipes (9) are arranged along the radial direction of the filter disc, and a plurality of water outlet holes are formed in the bottom surface of each rinsing long pipe (9).

7. The flat-disc filter according to claim 6, wherein: the washing long pipe (10) and the rinsing long pipe (9) are supported above the circular tray (13) through the semicircular support frame (34), the semicircular support frame (34) is supported by the L-shaped support (8), one end part of the support leg of the L-shaped support (8) is fixed with the semicircular support frame (34), and the other support leg is fixed on the ground.

8. The flat disc filter according to any one of claims 2 to 7, wherein: the distributing device (2) and the spiral discharging device (3) are arranged adjacently, and the length of a minor arc between the distributing device (2) and the spiral discharging device (3) is less than the length of an 1/4 arc; the washing device and the rinsing device are arranged above the filter disc corresponding to the major arcs between the distributing device (2) and the spiral discharging device (3).

9. The flat-disc filter according to claim 2, wherein: a plurality of filter cloth fixing straight strips (21) are uniformly distributed on the upper surface of the circular ring tray (13), the circular ring tray (13) is divided into a plurality of fan-shaped rings by the filter cloth fixing straight strips (21), and each fan-shaped ring is internally provided with 1 liquid outlet (22).

10. The flat-disc filter according to claim 1, wherein: the distributing device (2) comprises a hopper (33), 4 feed openings are formed in the bottom of the hopper (33), each feed opening is communicated with one end of one feed pipe (32), and the other end of each feed pipe (32) is aligned to the rotary disc filtering device (1).