CN112122017A - Filtering device of centrifugal machine - Google Patents
Filtering device of centrifugal machine Download PDFInfo
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- CN112122017A CN112122017A CN202010970025.XA CN202010970025A CN112122017A CN 112122017 A CN112122017 A CN 112122017A CN 202010970025 A CN202010970025 A CN 202010970025A CN 112122017 A CN112122017 A CN 112122017A
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- amplitude transformer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/06—Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
- B04B7/12—Inserts, e.g. armouring plates
- B04B7/16—Sieves or filters
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Abstract
The invention relates to a filtering device of a centrifugal machine.A rotary drum is connected with a power device through a transmission shaft; liquid outlet holes are uniformly formed in the side wall of the rotary drum filtering section, and a barrel-shaped screen is arranged along the inner side of the side wall of the rotary drum filtering section; the opening end of the rotary drum is fixedly connected with a flange; the outer side of the screen is provided with a rigid screen cage fixedly connected with the screen, the screen is arranged on the inner side of the rotary drum in a sliding manner through the rigid screen cage, the side wall of the screen cage is provided with a liquid drainage orifice, the top end of the screen cage is provided with a connecting piece, an ultrasonic oscillator cavity is arranged in the flange and comprises an amplitude transformer cavity and an ultrasonic transducer cavity, the ultrasonic oscillator consists of an amplitude transformer and at least two ultrasonic transducers which are symmetrically distributed, the amplitude transformer of the ultrasonic oscillator is arranged in the amplitude transformer cavity in a sliding manner, the ultrasonic transducers are symmetrically arranged in the ultrasonic transducer cavity, and the amplitude transformer is fixedly connected with the connecting piece at the top end of the screen cage; the ultrasonic transducers are respectively connected with the ultrasonic generator through conductive components.
Description
Technical Field
The invention relates to the field of separation machinery, in particular to a filtering device of a centrifugal machine.
Background
The existing centrifuges are classified according to the installation mode and can be mainly divided into a vertical centrifuge and a horizontal centrifuge; centrifuges are classified according to process purposes and can be classified into filter centrifuges and sedimentation centrifuges. In any centrifuge, the principle is to separate liquid and solid particles in a mixture by using centrifugal force, usually, a rotary drum is arranged in the centrifuge, a screen is arranged on the inner wall of the rotary drum, the mixture (technically referred to as mother liquor) is input into the rotary drum, the rotary drum is driven by a power device to rotate at high speed, the density of the liquid and the density of the solid are different, so that the centrifugal force applied to the liquid and the solid during high-speed rotation are different, the liquid is clearer at the outer side and flies out of the screen and the rotary drum one by one, and the solid particles are intercepted by the screen at the inner side to form a filter cake, so that the purpose of solid.
No matter what kind of centrifuge, after long-time operation, the filter residue of filter cake probably blocks up the sieve mesh on the screen cloth for the liquid phase can't be separated out, and liquid phase and solid phase are discharged together, has both influenced the separation effect after the screen cloth blocks up, still needs the enterprise to stop production and wash or change the screen cloth, can not continuous operation, greatly influences the production efficiency of enterprise.
In order to solve the problem that the screen mesh is easy to block, an enterprise tries to connect the screen mesh with a vibrating motor, and the aim of cleaning filter residues on the screen mesh is achieved in a mode that the vibrating motor drives the screen mesh to vibrate. However, this solution also has the following problems:
1. the vibration frequency of the vibration motor is low;
2. filter residues are possibly stuck in the filter screen and cannot come out;
3. the application range is limited, the cleaning effect of the vibration motor is different from the expected effect for turbid liquid with small solid phase particle size, and the technical scheme of the vibration motor is more suitable for industries with large solid phase particle size, such as coal washing industry.
Disclosure of Invention
The invention aims to provide a filtering device of a centrifugal machine, which is reasonable in structure, can enable the centrifugal machine to be suitable for turbid liquid with smaller solid-phase particle size, solves the problem that sieve pores are easy to block, ensures long-time continuous work of the centrifugal machine, and improves the production efficiency of enterprises.
The technical scheme adopted by the invention is as follows:
a filter device of a centrifugal machine comprises a rotary drum arranged in a shell, wherein the rotary drum is connected with a power device through a transmission shaft, and the power device can be a differential or any other motor; a plurality of liquid outlet holes are uniformly formed in the side wall of the rotary drum filtering section, and a barrel-shaped screen mesh which is correspondingly matched with the rotary drum filtering section is arranged along the inner side of the side wall of the rotary drum filtering section; the opening end of the rotary drum is fixedly connected with a flange, and the outer edge of the flange is matched with the opening end of the rotary drum; the outer side of the barrel-shaped screen is provided with a rigid screen cage which is matched with and fixedly connected with the barrel-shaped screen, the rigid screen cage is made of rigid materials, the screen is arranged on the inner side of the side wall of the rotary drum in a sliding way through the rigid screen cage, the side wall of the screen cage corresponding to the liquid outlet hole is provided with a corresponding liquid discharge hole, the top end of the screen cage is provided with a connecting piece, an ultrasonic vibrator cavity is arranged in the flange and comprises a columnar hollow amplitude transformer cavity which is symmetrically distributed and at least two ultrasonic transducer cavities which are symmetrically distributed, the ultrasonic vibrator consists of a columnar amplitude transformer and at least two ultrasonic transducers which are symmetrically distributed, the amplitude transformer of the ultrasonic vibrator is arranged in the amplitude transformer cavity in a sliding manner, the ultrasonic transducers are symmetrically arranged in the ultrasonic transducer cavities, and the amplitude transformer is fixedly connected with a connecting piece at the top end of the screen cage; the ultrasonic transducers are respectively connected with the ultrasonic generator through conductive components.
Furthermore, at least two sealing grooves are formed in the inner wall of the amplitude transformer cavity, amplitude transformer sealing elements are arranged in the sealing grooves, the inner edges of the amplitude transformer sealing elements are abutted to the outer edges of the amplitude transformer, the amplitude transformer sealing elements can be sealing rings, sealing strips or other objects capable of playing the same role, and the amplitude transformer sealing elements play roles in damping and buffering and enabling the amplitude transformer to automatically adjust the motion direction and also play a sealing role.
Furthermore, a screen cage sealing element is arranged between the screen cage and the inner wall of the rotary drum, the outer edge of the screen cage sealing element abuts against the inner edge of the rotary drum, the inner edge of the screen cage sealing element abuts against the outer edge of the screen cage, the screen cage sealing element can be a sealing ring, a sealing strip or other objects capable of playing the same role, and the screen cage sealing element plays roles in damping and buffering and enabling the amplitude transformer to automatically adjust the movement direction and also plays a sealing role.
Further, the outer wall of sieve cage includes a plurality of ribs, the rib is through spot welding rigid coupling on the outer wall of screen cloth.
Furthermore, the outer wall of the screen cage comprises a barrel-shaped thin plate with a plurality of small holes uniformly distributed, and the thin plate is fixedly connected to the outer wall of the screen mesh through spot welding.
Furthermore, the other end of the flange can be suspended and can also be erected on the shell.
Further, the horn of the ultrasonic transducer may have an annular structure or may have a structure having another symmetrical shape.
Furthermore, at least one dry material outlet is formed in the side wall of the rotary drum, and a corresponding screen cage discharge port is formed in the side wall of the screen cage corresponding to the dry material outlet of the rotary drum.
Further, the dry material outlet is arranged at a position, close to the open end, of the rotary drum.
Furthermore, a material pushing device is arranged in the rotary drum, the material pushing device can be a common spiral conveyor, a spiral conveyor with a sedimentation function or a piston material pusher, and can also be other devices with the same function, the material pushing device is used for pushing a filter cake intercepted by the screen to a proper position so that the filter cake can fly out from a dry material outlet, one end of the material pushing device is connected with a material pushing power device through a material pushing shaft, and the material pushing power device drives the material pushing device to rotate through the material pushing shaft.
Furthermore, a feed inlet is formed in the flange, and the mother liquor pipe extends into the rotary drum through the feed inlet.
Furthermore, a mother liquor outlet is formed in the material pushing device, the mother liquor pipe extends into the material pushing device, and the mother liquor enters the material pushing device and then flies out of the material pushing device through the mother liquor outlet to enter the rotary drum.
Further, the conductive component can be a wired conductive structure, including: the other end of the first lead is connected with each conductive slip ring; the electric brushes are arranged in the centrifuge shell and correspondingly contacted with the conductive slip ring; and one ends of the second conducting wires are respectively connected with the electric brushes, and the other ends of the second conducting wires are connected with the ultrasonic wave. Of course, the conductive component may also be a wireless conductive structure or other electrical connection manner, so as to implement wireless conductive or other electrical connection.
The invention has the following beneficial effects:
the invention can be used on a horizontal centrifuge and also can be used on a vertical centrifuge. After the device is used, mother liquor to be treated enters the rotary drum from the mother liquor pipe and rotates along with the rotary drum, because of density difference, a liquid phase is on the outer layer and a solid phase is on the inner layer during rotation, the liquid phase flies out through the screen and the liquid outlet hole of the rotary drum in succession, and the solid phase on the inner layer is intercepted by the screen to form a filter cake and is discharged from a dry material outlet under the action of a material pushing device.
In the separation process, the ultrasonic generator starts to work, voltage is converted into a high-frequency alternating current signal matched with the ultrasonic transducer, the high-frequency alternating current signal is input into the ultrasonic transducer through the conductive element, and the ultrasonic transducer can perform ultrasonic frequency reciprocating vibration along the direction of the central shaft of the screen cage. The ultrasonic transducers are symmetrically arranged on the end face of the amplitude transformer, so that the ultrasonic transducers drive the amplitude transformer to perform ultrasonic frequency reciprocating vibration, and the amplitude transformer is fixedly connected with the connecting piece of the screen cage which is fixedly connected with the rigid screen, so that the screen is also driven to perform ultrasonic frequency reciprocating vibration.
When filter residue blocks the sieve holes of the sieve screen, the filter residue in the sieve screen may have one or more of the following effects because the sieve screen performs ultrasonic frequency uninterrupted reciprocating vibration:
1. the filter residue breaks away from the sieve mesh under the vibration of hyperfrequency, and the liquid phase that passes through the sieve cage also can produce corresponding vibration velocity and acceleration simultaneously, makes the filter residue receive frequent and violent impact thereby drop.
2. Ultrasonic waves are formed in the liquid phase in the vibration process, cavitation effect is generated when the ultrasonic waves are transmitted in the liquid phase, the liquid is cavitated into cavitation bubbles, thousands of atmospheric pressure can be generated around the cavitation bubbles by shock waves generated when the cavitation bubbles are suddenly closed, filter residues are repeatedly impacted, the adsorption of the filter residues on the surface of the screen cage is damaged, and the filter residues fall back into the spiral conveyor until a solid phase outlet is discharged;
3. the shock wave generated when the cavitation bubbles are suddenly closed can also crush part of filter residue to enable the filter residue powder to fly into a liquid phase and be discharged along with the liquid phase;
4. meanwhile, the cavitation bubbles can also be drilled into cracks to vibrate, so that filter residues fall off;
5. cavitation bubbles cause a circulation of the liquid itself during vibration, so-called acoustic streaming. The vibrating air bubble surface has high speed gradient and viscous stress, so that the filter residue in the sieve pores is damaged and falls off.
In conclusion, the centrifugal machine can be suitable for turbid liquid with small solid phase particle size, has better cleaning effect compared with a vibration motor, better solves the problem that the sieve pores are easy to block, ensures the smoothness of the sieve pores, ensures the long-time continuous work of the centrifugal machine, improves the production efficiency of enterprises, and can also ensure that the separated solid phase is thinner and the separation effect is better.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is an enlarged view of fig. 1 at B.
Fig. 4 is a cross-sectional view of a rib-type screen cage according to the present invention.
Fig. 5 is a perspective view of the rib type screen cage of the present invention.
Figure 6 is a cross-sectional view of a sheet-type screen cage of the present invention.
Fig. 7 is a perspective view of a sheet-type screen cage of the present invention.
FIG. 8 is a schematic representation of the use of the present invention in a horizontal filter centrifuge.
FIG. 9 is a schematic diagram of the present invention in use in a horizontal decanter/filter centrifuge.
FIG. 10 is a schematic representation of the invention in use on a vertical filter centrifuge.
Wherein: 1. a drum; 101. a liquid outlet hole; 102. a dry material outlet; 103. settling to obtain a liquid outlet; 2. a screen cage seal; 3. screening a screen; 4. a screen cage; 401. a discharge port of the screen cage; 402. a connecting member; 403. ribs; 404. a thin plate; 5. a flange; 501. an ultrasonic oscillator cavity; 5011. a horn chamber; 5012. an ultrasonic transducer cavity; 502. a sealing groove; 6. an ultrasonic vibrator; 601. an amplitude transformer; 602. an ultrasonic transducer; 7. an ultrasonic generator; 8. a horn seal; 9. a drive shaft; 10. a differential mechanism; 11. a material pushing shaft; 12. a housing; 1201. a liquid phase outlet; 1202. a solid phase outlet; 13. a screw conveyor; 1301. a mother liquor outlet; 14. a first conductive line; 15. an electric brush; 16. a mother liquor tube; 17. a second conductive line; 18. a conductive slip ring.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 7, a filter device of a centrifuge comprises a rotary drum 1, the rotary drum 1 is connected with a power device through a transmission shaft 9, a plurality of liquid outlet holes 101 are uniformly arranged on the side wall of a filter section of the rotary drum 1, a barrel-shaped screen mesh 3 which is correspondingly matched with the rotary drum 1 is arranged along the inner side of the side wall of the filter section of the rotary drum 1, an opening end of the rotary drum 1 is fixedly connected with a flange 5, the outer edge of the flange 5 is matched with the opening end of the rotary drum 1, a rigid screen cage 4 which is matched with and fixedly connected with the outer side of the barrel-shaped screen mesh 3 is arranged, the rigid screen cage 4 is made of a rigid material, the outer wall of the screen cage 4 can be a rib 403 (as shown in fig. 3 and 4) or a sheet 404 (as shown in fig. 5 and 6), the screen mesh 3 is fixed on the inner side of the rigid screen cage 4 through spot welding on, the side wall of the sieve cage 4 corresponding to the liquid outlet hole 101 is provided with a corresponding liquid outlet hole, the top end of the sieve cage 4 is provided with a connecting piece 402, the flange 5 is internally provided with an ultrasonic vibrator cavity 501, the ultrasonic vibrator cavity 501 comprises a columnar hollow amplitude transformer cavity 5011 which is symmetrically distributed and at least two ultrasonic transducer cavities 5012 which are symmetrically distributed, the ultrasonic vibrator 6 consists of a columnar amplitude transformer 601 and at least two ultrasonic transducers 602 which are symmetrically distributed, the amplitude transformer 601 of the ultrasonic vibrator 6 is slidably arranged in the amplitude transformer cavity 5011, the ultrasonic transducers 602 are symmetrically arranged in the ultrasonic transducer cavities 5012, and the amplitude transformer 601 is fixedly connected with the connecting piece 402 at the top end of the sieve cage 4; the ultrasonic transducers 602 are respectively connected to the ultrasonic generator 7 through conductive components (the conductive components may be a wired conductive structure, a wireless conductive structure or other electrical connection modes, and are therefore represented by dashed lines in fig. 1); at least two sealing grooves 502 are formed in the inner wall of the horn cavity 5011, a horn sealing element 8 is arranged in each sealing groove 502, and the inner edge of each horn sealing element 8 abuts against the outer edge of the horn 601; a screen cage sealing member 2 is arranged between the screen cage 4 and the inner wall of the rotary drum 1, the outer edge of the screen cage sealing member 2 is propped against the inner edge of the rotary drum 1, and the inner edge of the screen cage sealing member 2 is propped against the outer edge of the screen cage 4.
After the invention is used, the mother liquor to be treated in the rotary drum 1 rotates along with the rotary drum 1, because of the density difference, the liquid phase is at the outer layer and the solid phase is at the inner layer in the rotation, the liquid phase flies out through the screen 3 and the liquid outlet hole 101 of the rotary drum 1 successively, and the solid phase at the inner layer is intercepted by the screen 3. Meanwhile, the ultrasonic generator 7 starts to operate, and converts the voltage into a high-frequency alternating current signal matched with the ultrasonic transducer 602, and the high-frequency alternating current signal is input into the ultrasonic transducer 602 through the conductive component, so that the ultrasonic transducer 602 can perform reciprocating vibration of ultrasonic frequency along the direction of the central axis of the sieve cage 4. The ultrasonic transducers 602 are symmetrically arranged on the end face of the horn 601, so that the ultrasonic transducers 602 drive the horn 601 to perform ultrasonic frequency reciprocating vibration, and as the horn 601 is fixedly connected with the connecting piece 402 of the screen cage 4, and the screen cage 4 is fixedly connected with the rigid screen 3, the screen 3 is also driven to perform ultrasonic frequency reciprocating vibration. Therefore, if the screen 3 is clogged, the clogged filter residue is removed by vibration.
As shown in fig. 8, a filtering device of a centrifuge is applied to a horizontal filtering centrifuge, a horizontally arranged rotary drum 1 is connected with a differential mechanism 10 through a transmission shaft 9, the side wall of the rotary drum 1 is barrel-shaped, a plurality of liquid outlet holes 101 are uniformly formed in the wall of the rotary drum 1, at least one dry material outlet 102 is formed in the position, close to an opening end, of the wall of the rotary drum 1, a flange 5 is arranged at the opening end of the rotary drum 1, and the outer edge of the flange 5 is matched with and fixedly connected with the opening end of the wall of the; a barrel-shaped screen 3 which is correspondingly matched with the side wall of the rotary drum 1 is arranged along the inner side of the side wall of the rotary drum 1, a screw conveyer 13 is arranged in the screen 3, the root part of the screw conveyer 13 is connected with one end of a material pushing shaft 11, the other end of the material pushing shaft 11 passes through a transmission shaft 9 to be connected with a differential mechanism 10, a mother liquor pipe 16 passes through a flange 5 to extend into the screw conveyer 13, a mother liquor outlet 1301 is arranged on the screw conveyer 13, the outer side of the barrel-shaped screen 3 is in spot welding with ribs 403, so that the screen 3 is fixedly connected with a rigid screen cage which is made of rigid materials, the screen 3 is arranged on the wall of the inner side of the wall of the rotary drum 1 in a sliding way through the rigid screen cage, a corresponding screen cage discharge port 401 is arranged on the side wall of the screen cage corresponding to a dry material outlet 102 of the rotary drum 1, a corresponding liquid discharge, an ultrasonic vibrator cavity 501 is arranged in a flange 5, an ultrasonic vibrator 6 is composed of an annular cylindrical amplitude transformer 601 and at least two ultrasonic transducers 602 which are symmetrically distributed, the ultrasonic vibrator cavity 501 comprises a cylindrical hollow amplitude transformer cavity 5011 which is symmetrically distributed and at least two ultrasonic transducer cavities 5012 which are symmetrically distributed, the amplitude transformer 601 of the ultrasonic vibrator 6 is arranged in the amplitude transformer cavity 5011 in a sliding manner, a plurality of ultrasonic transducers 602 are symmetrically arranged in the ultrasonic transducer cavities 5012, the amplitude transformer 601 is fixedly connected with a connecting piece 402 at the top end of a screen cage, one end of a first lead 14 is connected with the ultrasonic transducers 602, the other end of the first lead 14 is connected with a conductive slip ring 18, an electric brush 15 which is correspondingly contacted with the conductive slip ring 18 is fixedly arranged in a centrifugal machine shell 12, one end of a second lead 17 is respectively connected with the electric brush 15, the other end of the second lead 17 is connected with the ultrasonic generator 7; at least two sealing grooves 502 are formed in the inner wall of the horn cavity 5011, a horn sealing element 8 is arranged in each sealing groove 502, and the inner edge of each horn sealing element 8 abuts against the outer edge of the horn 601; a plurality of screen cage sealing pieces 2 are arranged between the screen cage 4 and the inner wall of the rotary drum 1, the outer edges of the screen cage sealing pieces 2 are abutted against the inner edge of the rotary drum 1, and the inner edges of the screen cage sealing pieces 2 are abutted against the outer edges of the screen cage 4.
In this embodiment, the casing 12 is provided with a liquid phase outlet 1201 and a solid phase outlet 1202, and after the horizontal centrifuge starts to work, the transmission shaft 9 and the pushing shaft 11 are driven by the differential 10 to rotate with a difference in rotation speed, so that the bowl 1 and the screw conveyor 13 are driven by the transmission shaft 9 and the pushing shaft 11 respectively to rotate with a difference in rotation speed. Mother liquor enters the spiral conveyor 13 from the mother liquor pipe 16, flies out into the rotary drum 1 through the mother liquor outlet 1301 along with the rotation of the spiral conveyor 13, because of the density difference of liquid phase and solid phase, the liquid phase is separated at the outer layer and the solid phase is at the inner layer, the liquid phase flies out through the sieve holes and the liquid outlet holes 101 on the sieve mesh 3 successively and finally flows to the liquid phase outlet 1201 to be discharged, the solid phase at the inner layer is intercepted by the sieve mesh 3 to form filter cake, and the filter cake flies out to the solid phase outlet 1202 to be discharged after being discharged to the dry material outlet 102 under the combined action of centrifugal force and the spiral conveyor 13. Meanwhile, the ultrasonic generator 7 starts to work, the ultrasonic generator 7 converts voltage into a high-frequency alternating current signal matched with the ultrasonic transducer 602, the high-frequency alternating current signal is input into the electric brush 15 through the second lead 17, the electric brush 15 rotates along with the flange 5, the electric brush 15 is in contact with the conductive slip ring 18, the high-frequency alternating current signal can be transmitted into the conductive slip ring 18 from the electric brush 15, finally the high-frequency alternating current signal is input into the ultrasonic transducer 602 through the first lead 14, and the plurality of symmetrical ultrasonic transducers 602 jointly act on the amplitude transformer 601, so that the ultrasonic transducer 602 drives the amplitude transformer 601 to vibrate in the ultrasonic vibrator cavity 501 for the ultrasonic frequency. Because the amplitude transformer 601 is fixedly connected with the connecting piece 402 of the screen cage, the screen cage drives the screen 3 to vibrate at ultrasonic frequency, thereby removing filter residues possibly blocked in the screen 3.
As shown in fig. 9, a filter device of a centrifuge is applied to a horizontal sedimentation/filtration composite centrifuge, a horizontally arranged drum 1 is connected with a differential 10 through a transmission shaft 9, the root of the drum 1 is provided with a plurality of sedimentation liquid outlet holes 103, the side wall of the drum 1 is composed of a sedimentation section drum 1 and a filter section drum 1, the side wall of the filter section drum 1 is barrel-shaped, the side wall of the filter section drum 1 is uniformly provided with a plurality of liquid outlet holes 101, the position of the wall of the drum 1, which is close to the open end, is provided with at least one dry material outlet 102, the open end of the drum 1 is provided with a flange 5, and the outer edge of the flange 5 is matched with and fixedly connected with; a barrel-shaped screen 3 which is correspondingly matched with the side wall of the rotary drum 1 is arranged along the inner side of the side wall of the filter section rotary drum 1, a sedimentation screw conveyer 13 is arranged in the rotary drum 1, the root part of the sedimentation screw conveyer 13 is connected with one end of a material pushing shaft 11, the other end of the material pushing shaft 11 passes through a transmission shaft 9 to be connected with a differential mechanism 10, the sedimentation screw conveyer 13 consists of a sedimentation screw conveyer 13 and a filter section screw conveyer 13, a mother liquor pipe 16 passes through a flange 5 to extend into the sedimentation screw conveyer 13, a mother liquor outlet 1301 is arranged on the sedimentation screw conveyer 13, the outer side of the barrel-shaped screen 3 is spot-welded with a thin plate 404, so that the screen 3 is fixedly connected with a rigid screen cage which is made of rigid materials, the screen 3 is arranged on the wall of the inner side of the rotary drum 1 in a sliding way through the rigid screen cage, a corresponding screen cage discharge port 401, the side wall of the sieve cage corresponding to the liquid outlet hole 101 is provided with a corresponding liquid outlet hole, the top end of the sieve cage is provided with a connecting piece 402, the flange 5 is internally provided with an ultrasonic vibrator cavity 501, the ultrasonic vibrator 6 consists of an annular cylindrical amplitude transformer 601 and at least two ultrasonic transducers 602 which are symmetrically distributed, the ultrasonic vibrator cavity 501 comprises a cylindrical hollow amplitude transformer cavity 5011 which is symmetrically distributed and at least two ultrasonic transducer cavities 5012 which can accommodate the two ultrasonic transducers 5012 which are symmetrically distributed, the amplitude transformer 601 of the ultrasonic vibrator 6 is arranged in the amplitude transformer cavity 5011 in a sliding way, a plurality of ultrasonic transducers 602 are symmetrically arranged in the ultrasonic transducer cavity 5012, the amplitude transformer 601 is fixedly connected with the connecting piece 402 at the top end of the sieve cage, one end of a first lead 14 is connected with the ultrasonic transducers 602, the other end of the first lead 14 is connected with a conductive slip ring 18, and an electric brush 15 which is correspondingly contacted with the conductive slip ring 18 is fixedly arranged in, one end of a second lead 17 is respectively connected with the electric brushes 15, and the other end of the second lead 17 is connected with the ultrasonic generator 7; at least two sealing grooves 502 are formed in the inner wall of the horn cavity 5011, a horn sealing element 8 is arranged in each sealing groove 502, and the inner edge of each horn sealing element 8 abuts against the outer edge of the horn 601; a screen cage sealing member 2 is arranged between the screen cage 4 and the inner wall of the rotary drum 1, the outer edge of the screen cage sealing member 2 is propped against the inner edge of the rotary drum 1, and the inner edge of the screen cage sealing member 2 is propped against the outer edge of the screen cage 4.
In this embodiment, the casing 12 is provided with a liquid phase outlet 1201 and a solid phase outlet 1202, and after the horizontal sedimentation/filtration composite centrifuge starts to work, the transmission shaft 9 and the pushing shaft 11 are driven by the differential 10 to rotate with a speed difference, so that the rotary drum 1 and the sedimentation screw conveyor 13 are driven by the transmission shaft 9 and the pushing shaft 11 respectively to rotate with a speed difference. Mother liquor enters the sedimentation spiral conveyor 13 from the mother liquor pipe 16, flies out of the sedimentation spiral conveyor 13 through the mother liquor outlet 1301 along with the rotation of the sedimentation spiral conveyor 13, enters the sedimentation section rotary drum 1, carries out first solid-liquid separation, part of the liquid flows out of the sedimentation liquid outlet and is finally discharged through the liquid phase outlet 1201, the mixture of the liquid after the first separation is pushed by the sedimentation spiral conveyor 13 to enter the filtration section rotary drum 1 for secondary separation, the liquid phase is separated at the outer layer and the solid phase is at the inner layer by using density difference, the liquid phase flies out through the sieve holes and the liquid outlet holes 101 on the sieve mesh 3 in sequence and finally flows to the liquid phase outlet 1201 to be discharged, the solid phase at the inner layer is intercepted by the sieve mesh 3 to form a filter cake, and the filter cake is discharged to the solid phase outlet 1202 after being discharged to the dry. Meanwhile, the ultrasonic generator 7 starts to work, the ultrasonic generator 7 converts voltage into a high-frequency alternating current signal matched with the ultrasonic transducer 602, the high-frequency alternating current signal is input into the electric brush 15 through the second lead 17, the electric brush 15 rotates along with the flange 5, the electric brush 15 is in contact with the conductive slip ring 18, the high-frequency alternating current signal can be transmitted into the conductive slip ring 18 from the electric brush 15, finally the high-frequency alternating current signal is input into the ultrasonic transducer 602 through the first lead 14, and the plurality of symmetrical ultrasonic transducers 602 jointly act on the amplitude transformer 601, so that the ultrasonic transducer 602 drives the amplitude transformer 601 to vibrate in the ultrasonic vibrator cavity 501 for the ultrasonic frequency. Because the amplitude transformer 601 is fixedly connected with the connecting piece 402 of the screen cage, the screen cage drives the screen 3 to vibrate at ultrasonic frequency, thereby removing filter residues possibly blocked in the screen 3.
As shown in fig. 10, a filter device of a centrifuge is applied to a vertical filter centrifuge, a vertically arranged drum 1 is connected with a differential 10 arranged at the bottom through a transmission shaft 9, the side wall of the drum 1 is barrel-shaped, the wall of the drum 1 is uniformly provided with a plurality of liquid outlet holes 101, the open end of the drum 1 is arranged at the top, the wall of the drum 1 near the open end is provided with at least one dry material outlet 102, the open end of the drum 1 is provided with a flange 5, and the outer edge of the flange 5 is matched with and fixedly connected with the open end of the wall of the drum 1; a barrel-shaped screen 3 which is correspondingly matched with the side wall of the rotary drum 1 is arranged along the inner side of the side wall of the rotary drum 1, a spiral conveyor 13 is vertically arranged in the screen 3, the root part of the spiral conveyor 13 is connected with one end of a material pushing shaft 11, the other end of the material pushing shaft 11 passes through a transmission shaft 9 to be connected with a differential mechanism 10, a mother liquor pipe 16 passes through a flange 5 from top to bottom and extends into the spiral conveyor 13, a mother liquor outlet 1301 is arranged on the spiral conveyor 13, the outer side of the barrel-shaped screen 3 is in spot welding with a thin plate 404, so that the screen 3 is fixedly connected with a rigid screen cage which is made of rigid materials, the screen 3 is arranged on the wall of the inner side of the wall of the rotary drum 1 in a sliding way along the vertical direction through the rigid screen cage, a corresponding screen cage discharge port 401 is arranged on the side wall of the screen cage corresponding to the dry material, the top end of the sieve cage is provided with a connecting piece 402, an ultrasonic oscillator cavity 501 is arranged in the flange 5, the ultrasonic oscillator 6 consists of a conical cylindrical amplitude transformer 601 and at least two ultrasonic transducers 602 which are symmetrically distributed, the ultrasonic oscillator cavity 501 comprises a cylindrical hollow amplitude transformer cavity 5011 which is symmetrically distributed and at least two ultrasonic transducer cavities 5012 which are symmetrically distributed, the amplitude transformer 601 of the ultrasonic oscillator 6 is arranged in the amplitude transformer cavity 5011 in a sliding way, a plurality of ultrasonic transducers 602 are symmetrically arranged in the ultrasonic transducer cavity 5012, the amplitude transformer 601 is fixedly connected with the connecting piece 402 at the top end of the sieve cage, one end of a first lead 14 is connected with the ultrasonic transducers 602, the other end of the first lead 14 is connected with a conductive slip ring 18, an electric brush 15 which is correspondingly contacted with the conductive slip ring 18 is fixedly arranged in a centrifugal machine shell 12, one end of a second lead 17 is respectively connected with the electric brush 15, the other end of the second lead 17 is connected with the ultrasonic generator 7; at least two sealing grooves 502 are formed in the inner wall of the horn cavity 5011, a horn sealing element 8 is arranged in each sealing groove 502, and the inner edge of each horn sealing element 8 abuts against the outer edge of the horn 601; a screen cage sealing member 2 is arranged between the screen cage 4 and the inner wall of the rotary drum 1, the outer edge of the screen cage sealing member 2 is propped against the inner edge of the rotary drum 1, and the inner edge of the screen cage sealing member 2 is propped against the outer edge of the screen cage 4.
In this embodiment, the casing 12 is provided with a liquid phase outlet 1201 and a solid phase outlet 1202, and after the vertical centrifuge starts to work, the transmission shaft 9 and the pushing shaft 11 are driven by the differential 10 to rotate with a difference in rotation speed, so that the bowl 1 and the screw conveyor 13 are driven by the transmission shaft 9 and the pushing shaft 11 respectively to rotate with a difference in rotation speed. Mother liquor enters the spiral conveyor 13 from the mother liquor pipe 16 from top to bottom, flies out into the rotary drum 1 through the mother liquor outlet 1301 along with the rotation of the spiral conveyor 13, because of the density difference of liquid phase and solid phase, the liquid phase is separated at the outer layer, the solid phase is at the inner layer, the liquid phase flies out through the sieve holes and the liquid outlet holes 101 on the sieve mesh 3 in sequence, finally flows to the liquid phase outlet 1201 and is discharged, the solid phase at the inner layer is intercepted by the sieve mesh 3 to form filter cake, and the filter cake flies out to the solid phase outlet 1202 after being discharged to the dry material outlet 102 from bottom to top under the combined action of centrifugal force and the spiral conveyor 13. Meanwhile, the ultrasonic generator 7 starts to work, the ultrasonic generator 7 converts voltage into a high-frequency alternating current signal matched with the ultrasonic transducer 602, the high-frequency alternating current signal is input into the electric brush 15 through the second lead 17, the electric brush 15 rotates along with the flange 5, the electric brush 15 is in contact with the conductive slip ring 18, the high-frequency alternating current signal can be transmitted into the conductive slip ring 18 from the electric brush 15, finally the high-frequency alternating current signal is input into the ultrasonic transducer 602 through the first lead 14, and the plurality of symmetrical ultrasonic transducers 602 jointly act on the amplitude transformer 601, so that the ultrasonic transducer 602 drives the amplitude transformer 601 to vibrate in the ultrasonic vibrator cavity 501 for the ultrasonic frequency. Because the amplitude transformer 601 is fixedly connected with the connecting piece 402 of the screen cage, the screen cage drives the screen 3 to vibrate at ultrasonic frequency, thereby removing filter residues possibly blocked in the screen 3.
In summary, the above is provided. The invention not only enables the centrifuge to be suitable for turbid liquid with smaller solid phase particle size, but also has better cleaning effect compared with a vibration motor, better solves the problem that the sieve pores are easy to block, ensures the smoothness of the sieve pores, ensures the long-time continuous work of the centrifuge, improves the production efficiency of enterprises, and also enables the separated solid phase to be thinner and the separation effect to be better.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (5)
1. The utility model provides a centrifuge's filter equipment, includes rotary drum (1), and rotary drum (1) is connected with power device through transmission shaft (9), has evenly seted up a plurality of liquid holes (101) on the lateral wall of rotary drum (1) filter segment, is provided with the tubbiness screen cloth (3) of mutually corresponding complex with it along the lateral wall inboard of rotary drum (1) filter segment, open end fixed connection flange (5) of rotary drum (1), the outer fringe of flange (5) cooperatees with the open end of rotary drum (1), its characterized in that: the outer side of the barrel-shaped screen (3) is provided with a rigid screen cage (4) which is matched with and fixedly connected with the barrel-shaped screen, the rigid screen cage (4) is made of rigid materials, the screen (3) is arranged on the inner side of the side wall of the rotary drum (1) in a sliding way through the rigid screen cage (4), the side wall of the screen cage (4) corresponding to the liquid outlet hole (101) is provided with a corresponding liquid outlet, the top end of the screen cage (4) is provided with a connecting piece (402), an ultrasonic oscillator cavity (501) is arranged in the flange (5), the ultrasonic oscillator cavity (501) comprises a cylindrical hollow amplitude transformer cavity (5011) which is symmetrically distributed and at least two ultrasonic transducer cavities (5012) which can contain two symmetrically distributed, the ultrasonic oscillator (6) consists of a cylindrical amplitude transformer (601) and at least two ultrasonic transducers (602) which are symmetrically distributed, the amplitude transformer (601) of the ultrasonic oscillator (6) is arranged in the amplitude transformer cavity (5011) in a sliding way, the ultrasonic transducers (602) are symmetrically arranged in the ultrasonic transducer cavity (5012), and the amplitude transformer (601) is fixedly connected with the connecting piece (402) at the top end of the screen cage (4); the ultrasonic transducers (602) are respectively connected with the ultrasonic generator (7) through conductive components.
2. A filter device of a centrifuge according to claim 1, wherein: the inner wall of the amplitude transformer cavity (5011) is provided with at least two sealing grooves (502), amplitude transformer sealing elements (8) are arranged in the sealing grooves (502), and the inner edge of each amplitude transformer sealing element (8) is abutted to the outer edge of each amplitude transformer (601).
3. A filter device of a centrifuge according to claim 1, wherein: a screen cage sealing element (2) is arranged between the screen cage (4) and the inner wall of the rotary drum (1), the outer edge of the screen cage sealing element (2) is abutted against the inner edge of the rotary drum (1), and the inner edge of the screen cage sealing element (2) is abutted against the outer edge of the screen cage (4).
4. A filter device of a centrifuge according to claim 1, wherein: the outer wall of the sieve cage (4) comprises a plurality of ribs (403), and the ribs (403) are fixedly connected to the outer wall of the sieve mesh (3) through spot welding.
5. A filter device of a centrifuge according to claim 1, wherein: the outer wall of the screen cage (4) comprises a barrel-shaped thin plate (404) with a plurality of small holes uniformly distributed, and the thin plate (404) is fixedly connected to the outer wall of the screen (3) through spot welding.
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000317347A (en) * | 1999-05-06 | 2000-11-21 | Matsumoto Kikai Seisakusho:Kk | Centrifugal separator and washing method thereof |
| DE102005028825A1 (en) * | 2005-06-15 | 2006-12-28 | Fima Maschinenbau Gmbh | Improved centrifuge device to prevent cross-contamination |
| CN104153274A (en) * | 2014-08-25 | 2014-11-19 | 云南省交通规划设计研究院 | Ultrasonic anti-icing and ice-removing complete device used for highway pavement |
| CN205182968U (en) * | 2015-12-02 | 2016-04-27 | 上海纳维加特机电科技有限公司 | Ultrasonic wave centrifugal classifier |
| CN205638299U (en) * | 2016-05-13 | 2016-10-12 | 中国石油集团渤海钻探工程有限公司 | Continuous belt cleaning device of oil base drill chip |
| CN206121937U (en) * | 2016-10-24 | 2017-04-26 | 中逸安科生物技术股份有限公司 | Channel separator with self - cleaning function of disinfecting |
| CN107267686A (en) * | 2017-08-25 | 2017-10-20 | 罗小英 | With feed well and centrifuge to turning Kun cartridge type bagasse leaching devices |
| CN207180224U (en) * | 2017-07-28 | 2018-04-03 | 四川华英化工有限责任公司 | A kind of bactericide original drug separates drying device |
| CN207330856U (en) * | 2017-09-20 | 2018-05-08 | 中国石油天然气股份有限公司 | A kind of aging oil treatment system |
| CN208066560U (en) * | 2018-01-23 | 2018-11-09 | 武汉正天成生物科技有限公司 | A kind of tube centrifuge |
| CN110339950A (en) * | 2019-08-20 | 2019-10-18 | 成都高分离心机有限公司 | A kind of horizontal spiral discharge sedimentation filtering centrifuge and its secondary separation technique |
| CN110451749A (en) * | 2019-09-17 | 2019-11-15 | 山东大学 | A kind of intensifying method of oily sludge ultrasonic dehydration and system and technique |
| US20200114400A1 (en) * | 2018-10-11 | 2020-04-16 | Franklin Dale Henson | Cleaning Multi-Stage Centrifugal Pumps |
| CN210888849U (en) * | 2019-09-30 | 2020-06-30 | 上海谊德实业发展有限公司 | Centrifugal slurry purification all-in-one machine |
| CN111359787A (en) * | 2020-02-25 | 2020-07-03 | 河北首朗新能源科技有限公司 | Automatic cleaning device and cleaning control method for horizontal centrifuge |
-
2020
- 2020-09-15 CN CN202010970025.XA patent/CN112122017B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000317347A (en) * | 1999-05-06 | 2000-11-21 | Matsumoto Kikai Seisakusho:Kk | Centrifugal separator and washing method thereof |
| DE102005028825A1 (en) * | 2005-06-15 | 2006-12-28 | Fima Maschinenbau Gmbh | Improved centrifuge device to prevent cross-contamination |
| CN104153274A (en) * | 2014-08-25 | 2014-11-19 | 云南省交通规划设计研究院 | Ultrasonic anti-icing and ice-removing complete device used for highway pavement |
| CN205182968U (en) * | 2015-12-02 | 2016-04-27 | 上海纳维加特机电科技有限公司 | Ultrasonic wave centrifugal classifier |
| CN205638299U (en) * | 2016-05-13 | 2016-10-12 | 中国石油集团渤海钻探工程有限公司 | Continuous belt cleaning device of oil base drill chip |
| CN206121937U (en) * | 2016-10-24 | 2017-04-26 | 中逸安科生物技术股份有限公司 | Channel separator with self - cleaning function of disinfecting |
| CN207180224U (en) * | 2017-07-28 | 2018-04-03 | 四川华英化工有限责任公司 | A kind of bactericide original drug separates drying device |
| CN107267686A (en) * | 2017-08-25 | 2017-10-20 | 罗小英 | With feed well and centrifuge to turning Kun cartridge type bagasse leaching devices |
| CN207330856U (en) * | 2017-09-20 | 2018-05-08 | 中国石油天然气股份有限公司 | A kind of aging oil treatment system |
| CN208066560U (en) * | 2018-01-23 | 2018-11-09 | 武汉正天成生物科技有限公司 | A kind of tube centrifuge |
| US20200114400A1 (en) * | 2018-10-11 | 2020-04-16 | Franklin Dale Henson | Cleaning Multi-Stage Centrifugal Pumps |
| CN110339950A (en) * | 2019-08-20 | 2019-10-18 | 成都高分离心机有限公司 | A kind of horizontal spiral discharge sedimentation filtering centrifuge and its secondary separation technique |
| CN110451749A (en) * | 2019-09-17 | 2019-11-15 | 山东大学 | A kind of intensifying method of oily sludge ultrasonic dehydration and system and technique |
| CN210888849U (en) * | 2019-09-30 | 2020-06-30 | 上海谊德实业发展有限公司 | Centrifugal slurry purification all-in-one machine |
| CN111359787A (en) * | 2020-02-25 | 2020-07-03 | 河北首朗新能源科技有限公司 | Automatic cleaning device and cleaning control method for horizontal centrifuge |
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Effective date of registration: 20220507 Address after: 215600 No. 7, Haifeng Road, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: JIANGSU TONGZE FILTER TECHNOLOGY Co.,Ltd. Address before: No. 42, group 5, Lijiahe village, Xiashi Township, Jintai District, Baoji City, Shaanxi Province, 721000 Applicant before: Li Yajun |
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