CN113857133B - Filter disc cleaning device and cleaning method - Google Patents
Filter disc cleaning device and cleaning method Download PDFInfo
- Publication number
- CN113857133B CN113857133B CN202111297828.4A CN202111297828A CN113857133B CN 113857133 B CN113857133 B CN 113857133B CN 202111297828 A CN202111297828 A CN 202111297828A CN 113857133 B CN113857133 B CN 113857133B
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- Prior art keywords
- flushing
- flushing fluid
- filter
- filter disc
- liquid
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- 238000004140 cleaning Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000011010 flushing procedure Methods 0.000 claims abstract description 221
- 239000007788 liquid Substances 0.000 claims abstract description 138
- 239000012530 fluid Substances 0.000 claims abstract description 133
- 239000007921 spray Substances 0.000 claims abstract description 80
- 238000002791 soaking Methods 0.000 claims description 29
- 238000005406 washing Methods 0.000 claims description 20
- 239000012065 filter cake Substances 0.000 claims description 16
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a filter disc cleaning device and a cleaning method, and relates to the technical field of solid-liquid filtration and separation. The device is used for solving the problems that the existing filter disc is not thoroughly cleaned, so that the cleaning effect is poor, and meanwhile, the cleaning device has more parts, so that the structure is complex. Comprising the following steps: the rotating shaft is arranged in the shell, penetrates through the centers of the plurality of filter discs and drives the filter discs to horizontally rotate; one end of the flushing fluid main pipe is connected with the flushing fluid inlet, and the other end of the flushing fluid main pipe extends into the shell and is respectively connected with the flushing fluid branch pipes; the flushing fluid branch pipe is arranged at intervals with the filter disc, a flushing fluid spray head is arranged on an outlet of the flushing fluid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing fluid spray head; the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet and used for driving the flushing fluid spray head and the ultrasonic vibration head to swing in a sector-shaped reciprocative manner along the radius direction of the filter disc when the filter disc horizontally rotates.
Description
Technical Field
The invention relates to the technical field of solid-liquid filtration and separation, in particular to a filter disc cleaning device and a cleaning method.
Background
The rotary disc filter is a solid-liquid filtering and separating device with a plurality of rotary filter discs in a shell, solid particles which are filtered and intercepted during operation can be inevitably accumulated on the surface of the filter discs to form filter cakes, a small amount of fine particles enter holes in the filter material on the surface layers of the filter discs to block pore paths, the filtering resistance is increased, the filtering flux is reduced, the influence of the filter cakes on the filtering is reduced, filter cake scrapers of the filter discs are generally configured in the prior art so as to timely remove the filter cakes, but the filter cake scrapers and the surface of the filter discs have a certain gap, residual filter cake layers which cannot be removed by scraping exist, and the blocked particles in the holes in the filter material cannot be cleaned. If the filter cake cleaning and filter material cleaning methods of back flushing commonly used in the filtration technology are used, the bulge deformation of the surface of the filter disc is easily caused, and the normal use of the filter disc is influenced. Therefore, how to more thoroughly remove the filter cake on the surface of the rotary filter disc and the blocking particles in the holes inside the filter material becomes a problem for influencing the filtering flux of the filter disc and restricting the continuous operation of the filter.
In summary, the existing filter disc is not thoroughly cleaned, so that the cleaning effect is poor, and meanwhile, the cleaning device has the problems of more parts and complex structure.
Disclosure of Invention
The embodiment of the invention provides a filter disc cleaning device and a cleaning method, which are used for solving the problems that the existing filter disc is not thoroughly cleaned, so that the cleaning effect is poor, and meanwhile, the cleaning device has more parts and a complex structure.
The embodiment of the invention provides a filter disc cleaning device, which comprises:
The rotating shaft is arranged in the shell, penetrates through the centers of the plurality of filter discs and drives the filter discs to horizontally rotate;
one end of the flushing fluid main pipe is connected with the flushing fluid inlet, and the other end of the flushing fluid main pipe extends into the shell and is respectively connected with a plurality of flushing fluid branch pipes;
the flushing fluid branch pipe is arranged at intervals with the filter disc, a flushing fluid spray head is arranged on an outlet of the flushing fluid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing fluid spray head;
And the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet and used for driving the flushing fluid spray head and the ultrasonic vibration head to swing in a sector-shaped reciprocative manner along the radial direction of the filter disc when the filter disc horizontally rotates.
Preferably, the device further comprises a flushing liquid nozzle;
The device is longitudinally arranged on the flushing fluid spray head and is used for reciprocating swinging in a sector shape along the radial direction of the filter disc, and flushing fluid is sprayed from the flushing fluid spray head in a longitudinal sector shape.
Preferably, the longitudinal sector jets are perpendicular to the working face of the filter disc;
When the flushing liquid spray head is arranged between the two adjacent filter discs, the flushing liquid from the flushing liquid spray nozzle simultaneously flushes the working surfaces of the two adjacent filter discs
Preferably, the ultrasonic power supply device further comprises an ultrasonic power supply signal wire and an ultrasonic generator;
the ultrasonic generator is arranged outside the shell and is electrically connected with the ultrasonic vibration head through the ultrasonic power supply signal wire; the ultrasonic power supply signal wire is sequentially bonded in the flushing fluid main pipe and the flushing fluid branch pipe through insoluble insulating glue;
the ultrasonic generator is used for carrying out ultrasonic cleaning on the whole working surface of the filter disc by the ultrasonic vibration head when the flushing fluid spray head swings in a sector-shaped reciprocative manner along the radial direction of the filter disc.
Preferably, the angle of the sector-shaped reciprocating swing is 60-150 degrees, wherein the sector angle of the sector-shaped reciprocating swing is 20-50 degrees.
Preferably, the number of the flushing liquid branch pipes is matched with the number of the filter discs, and when the number of the filter discs is N, the number of the flushing liquid branch pipes is N+1, wherein N is a natural number.
Preferably, when the filter disc is a double-sided filter disc, the ultrasonic vibration head arranged on the flushing fluid branch pipe is a bidirectional vibration head; or alternatively
When the filter disc is a single-sided filter disc, the ultrasonic vibration head arranged on the flushing fluid branch pipe is a unidirectional vibration head, and the ultrasonic vibration head faces the single-sided filter disc.
Preferably, the device also comprises a slag discharge port and a soaking liquid inlet;
the slag discharging port is arranged at the bottom of the shell;
the soaking liquid inlet is arranged at the top of the shell and is used for flushing the soaking liquid into the shell, and the soaking liquid is used for soaking the filter disc arranged on the rotating shaft.
The embodiment of the invention also provides a filter disc cleaning method, which comprises the following steps:
The angle rotation driver drives the high-pressure flushing fluid main pipe to carry out reciprocating angle rotation according to a set angle so as to enable a flushing fluid spray head connected with the flushing fluid main pipe to swing in a sector-shaped reciprocating manner, and a flushing fluid spray nozzle longitudinally arranged on the flushing fluid spray head sprays the high-pressure flushing fluid on a filter disc arranged at intervals with the flushing fluid spray head in a sector-shaped surface;
The ultrasonic generator drives the ultrasonic vibration head to generate ultrasonic waves so that the ultrasonic vibration head connected with the washing liquid main pipe swings in a sector-shaped reciprocatingly manner, and the filter discs arranged at intervals with the ultrasonic waves are cleaned by the ultrasonic waves.
Preferably, before the ultrasonic generator drives the ultrasonic vibration head to generate ultrasonic waves, the ultrasonic vibration head further comprises:
Closing the flushing liquid inlet valve, flushing the soaking liquid into the shell so as to enable the soaking liquid to fill the shell.
The embodiment of the invention provides a filter disc cleaning device and a cleaning method, wherein the filter disc cleaning device comprises the following components: the rotating shaft is arranged in the shell, penetrates through the centers of the plurality of filter discs and drives the filter discs to horizontally rotate; one end of the flushing fluid main pipe is connected with the flushing fluid inlet, and the other end of the flushing fluid main pipe extends into the shell and is respectively connected with a plurality of flushing fluid branch pipes; the flushing fluid branch pipe is arranged at intervals with the filter disc, a flushing fluid spray head is arranged on an outlet of the flushing fluid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing fluid spray head; and the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet and used for driving the flushing fluid spray head and the ultrasonic vibration head to swing in a sector-shaped reciprocative manner along the radial direction of the filter disc when the filter disc horizontally rotates. This filter disc belt cleaning device can be integrated into one set of belt cleaning device with high pressure washing and ultrasonic vibration washing, set up a washing shower nozzle and an ultrasonic vibration head on every washing liquid branch pipe to the washing liquid branch pipe can drive washing shower nozzle and ultrasonic vibration head and do reciprocating fan-shaped swing relative filter disc working face, combines together with the slow rotation of filter disc and just can accomplish the high pressure washing of whole filter disc quotation and closely ultrasonic cleaning, and the cleaning performance is good, and this belt cleaning device has spare part quantity few, simple structure, compact size's advantage simultaneously. In the use scene that the filtering material contains adhesion particulate matters, the ultrasonic vibration head can also have the effect of preventing the adhesion of particulate matters from blocking the flushing liquid spray head and dredging the spray nozzle.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a filter disc cleaning apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a structure of a flushing liquid nozzle, a flushing liquid branch pipe and a filter disc according to an embodiment of the present invention;
FIG. 3 is a schematic view of a rinse solution spray head and rinse solution nozzle according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart of a method for cleaning a filter disc according to an embodiment of the present invention;
the marks in the figure: 1 is a flushing liquid spray head, 2 is a flushing liquid branch pipe, 3 is a flushing liquid main pipe, 4 is an ultrasonic vibration head, 5 is an ultrasonic signal power line, 6 is an angle rotation driver, 7 is a flushing liquid inlet, 8 is an ultrasonic generator, 9 is a slag discharge port, 10 is a shell, 11 is a rotating shaft, 12 is a filter disc, 13 is a soaking liquid inlet, and 14 is a flushing liquid nozzle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
FIG. 1 is a schematic diagram of a filter disc cleaning apparatus according to an embodiment of the present invention; FIG. 2 is a schematic view of a structure of a flushing liquid nozzle, a flushing liquid branch pipe and a filter disc according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a flushing liquid nozzle and a flushing liquid nozzle according to an embodiment of the present invention, and the following details of a filter disc cleaning device according to an embodiment of the present invention are described with reference to fig. 1 to 3. As shown in fig. 1, the filter disc cleaning apparatus mainly includes: the device comprises a rotating shaft 11, a filter disc 12, a flushing fluid main pipe 3, a flushing fluid inlet 7, a shell 10, a flushing fluid branch pipe 2, a flushing fluid spray head 1, an ultrasonic vibration head 4 and an angle rotation driver 6.
Specifically, a rotation shaft 11 is provided in the housing 10, penetrating the centers of the plurality of filter discs 12, and the filter discs 12 can be horizontally rotated when the rotation shaft 11 rotates.
One end of the flushing fluid main pipe 3 is arranged outside the shell 10 and is connected with the angle rotation driver 6, and furthermore, the lower end of the flushing fluid main pipe 3 is also provided with a flushing fluid inlet 7, and the flushing fluid inlet 7 is connected with a flushing fluid switch valve through a high-pressure hose; the other end extends into the housing 10 and is arranged at one side of the interior of the housing 10, and a plurality of flushing fluid branch pipes 2 are arranged on the flushing fluid main pipe 3, namely, the flushing fluid main pipe 3 is respectively connected with the plurality of flushing fluid branch pipes 2, and in the embodiment of the invention, the flushing fluid branch pipes 2 are required to be arranged at intervals from the filter discs 12, so that the number of the flushing fluid branch pipes 2 is required to correspond to the number of the filter discs 12, and the flushing fluid branch pipes are arranged between two adjacent filter discs 12 and at one side of the filter disc 12 at the side of the most edge.
Further, the outlet of the flushing-liquid branch pipe 2 is provided with a flushing-liquid spray head 1, and flushing liquid can be sprayed onto the filter disc 12 through the flushing-liquid spray head 1, so that flushing of the filter disc 12 is completed. Specifically, since the angle rotation driver 6 is connected with the flushing fluid main pipe 3, when the angle rotation driver 6 is turned on, the flushing fluid main pipe 3 can be driven to perform reciprocating angle rotation, so that the flushing fluid branch pipe 2 and the flushing fluid spray head 1 fixed on the flushing fluid branch pipe 2 are driven to perform reciprocating fan-shaped swing at a set angle. For example, when the set angle is 45 °, the angle rotation driver 6 drives the flushing liquid branch pipe 2 and the flushing liquid spray head 1 fixed on the flushing liquid branch pipe 2 to perform the reciprocating fan-shaped swing of set 45 °, and the set reciprocating fan-shaped swing of 45 ° can enable the swing range of the flushing liquid spray head 1 to cover the radius of the working surface of the filter disc 12, and also enable the flushing liquid spray sprayed by the flushing liquid spray head 1 to be distributed in a longitudinal fan shape, and the intersection line of the flushing liquid spray distributed in the longitudinal fan shape and the working surface of the filter disc 12 moves in an arc shape along the radius direction of the filter disc 12, so as to form a filter cake flushing area in a fan-shaped area as shown in fig. 2.
Further, since the ultrasonic vibration head 4 is also arranged on the flushing liquid branch pipe 2, when the flushing liquid in the shell 10 fills the shell 10, the ultrasonic vibration head 4 can be started, the ultrasonic vibration head 4 generates ultrasonic waves in the flushing liquid, and the ultrasonic waves are used for cleaning filter cakes on the working surface of the filter disc 12 and blocking particles in holes in the filter material; because the ultrasonic vibration head 4 is fixed at the front part of the flushing fluid branch pipe 2, the ultrasonic vibration head 4 and the flushing fluid spray head 1 are driven by the angle rotation driver 6 to do reciprocating fan-shaped swing in the same way, and the ultrasonic vibration head 4 can carry out close-range ultrasonic cleaning on the whole working disc surface of the filter disc 12 by matching with the continuous rotation of the filter disc 12.
According to the filter disc 12 cleaning device provided by the embodiment of the invention, through the flushing liquid spray head 1 and the ultrasonic vibration head 4 which are arranged on the flushing liquid branch pipe 2, high-pressure flushing and ultrasonic vibration cleaning can be integrated into one set of cleaning device, high-pressure flushing and short-distance ultrasonic cleaning can be completed on the filter disc 12, and the cleaning effect is good; further, the cleaning spray head and the ultrasonic vibration head 4 can be driven to do reciprocating fan-shaped swing relative to the working surface of the filter disc 12 through the angle rotation driver 6, and the high-pressure washing and the close-range ultrasonic cleaning of the whole disc surface of the filter disc 12 can be completed; meanwhile, the cleaning device has the advantages of small number of parts, simple structure and compact size.
In the embodiment of the present invention, the housing 10 further includes a soaking liquid inlet 13 provided at the top of the housing 10 for flushing the soaking liquid into the housing 10, and when the housing 10 is full of the soaking liquid, the soaking liquid can soak the filter discs 12 provided on the rotating shaft 11. Further, by starting the ultrasonic vibration head 4 arranged on the flushing liquid branch pipe 2, the ultrasonic vibration head 4 can generate ultrasonic waves in the soaking liquid, and the ultrasonic waves can also carry out close-range ultrasonic cleaning on the whole working surface of the filter disc 12, so that filter cakes on the working surface of the filter disc 12 and blocking particles in holes in the filter material are cleaned; further, when the ultrasonic vibration head 4 is started, the angle rotation driver 6 can be started, and the angle rotation driver 6 is connected with the flushing fluid main pipe 3, so that the flushing fluid main pipe 3 can drive the flushing fluid branch pipe 2 and the ultrasonic vibration head 4 fixed on the flushing fluid branch pipe 2 to perform reciprocating fan-shaped swing with a set angle. For example, when the set angle is 45 °, the angular rotation driver 6 drives the flushing liquid branch pipe 2 and the ultrasonic vibration head 4 fixed on the flushing liquid branch pipe 2 to perform the reciprocating fan-shaped swing of set 45 °, and the set reciprocating fan-shaped swing of 45 ° can enable the swing range of the ultrasonic vibration head 4 to cover the radius of the working surface of the filter disc 12, so that the ultrasonic waves generated by the ultrasonic vibration head 4 are distributed in a longitudinal fan-shaped manner, and the intersection line of the ultrasonic waves distributed in the longitudinal fan-shaped manner and the working surface of the filter disc 12 moves in an arc shape along the radius direction of the filter disc 12, so that the filter cake on the working surface of the filter disc 12 and the blocking particles in the holes inside the filter material can be cleaned.
The filter disc 12 cleaning device further comprises an ultrasonic signal power line 5 and an ultrasonic generator 8; specifically, the ultrasonic generator 8 is arranged outside the shell 10 and is electrically connected with the ultrasonic vibration head 4 through the ultrasonic signal power line 5; the ultrasonic signal power line 5 is sequentially bonded in the flushing fluid main pipe 3 and the flushing fluid branch pipe 2 through insoluble insulating glue; the ultrasonic generator 8 is used for ultrasonic cleaning of the whole working surface of the filter disc 12 by the ultrasonic vibration head 4 when the flushing liquid spray head 1 swings in a sector-shaped reciprocatingly along the radial direction of the filter disc 12.
In the embodiment of the present invention, the housing 10 may be a vertical type closed housing, a horizontal type closed housing, or an open type housing.
In one example, the filter tray 12 cleaning apparatus further includes a rinse liquid nozzle 14. As shown in fig. 2 and 3, the rinse liquid nozzle 14 is provided longitudinally on the rinse liquid spray head 1 for reciprocating in a fan shape along the radial direction of the filter disc 12 in the rinse liquid spray head 1, and the rinse liquid is sprayed from the rinse liquid nozzle 14 in a longitudinal fan shape.
When the angle rotation driver 6 drives the flushing fluid main pipe 3, the flushing fluid branch pipe 2 and the flushing fluid spray head 1 to perform reciprocating fan-shaped swing with set angles, flushing fluid is sprayed out from the flushing fluid spray nozzle 14 and is sprayed in a longitudinal fan shape, and the intersection line of the flushing fluid spray in the longitudinal fan shape and the working surface of the filter disc 12 moves in an arc shape along the radial direction of the filter disc 12, so that the cleaning of the filter disc 12 is completed.
When the rinse liquid spray head 1 is disposed between the adjacent two filter disks 12, the rinse liquid from the rinse liquid spray nozzle 14 simultaneously washes the working surfaces of the adjacent two filter disks 12.
In the embodiment of the present invention, in order to enable the omnibearing cleaning of the filter tray 12, it is preferable that the angle at which the sector reciprocally swings is 60 ° to 150 °, wherein the sector angle at which the sector reciprocally swings is 20 ° to 50 °.
In one example, the number of rinse liquid branches 2 matches the number of filter discs 12, specifically, when the number of filter discs 12 is N, then the number of rinse liquid branches 2 is n+1. Wherein N is a natural number. For example, when the number of the filter disks 12 is 5, in order to be able to clean the working surfaces of the filter disks 12, the flushing-liquid branch pipes 2 need to be provided not only between the filter disks 12 but also outside the outermost filter disks 12, and therefore, the number of the flushing-liquid branch pipes 2 needs to be 6. Accordingly, when the number of filter discs 12 is 4, 5 flushing-liquid branch pipes 2 are also required, so that it is ensured that the flushing-liquid branch pipes 2 are arranged not only between adjacent filter discs 12, but also outside the outermost filter discs 12.
In an example, when the filter disc 12 is a double-sided filter disc 12, the ultrasonic vibration head 4 arranged on the flushing liquid branch pipe 2 needs to clean the double-sided filter disc 12 at the same time, so that the ultrasonic vibration head 4 is a bidirectional vibration head; further, when the filter disc 12 is a single-sided filter disc 12, the ultrasonic vibration head 4 provided on the flushing liquid branch pipe 2 may be a unidirectional vibration head, and the ultrasonic vibration head 4 faces the single-sided filter disc 12.
In order to more clearly describe the filter disc cleaning device provided by the embodiment of the present invention, a cleaning method of the filter disc cleaning device is described in detail below with reference to fig. 4. Specifically, as shown in fig. 4, the filter disc cleaning method includes the steps of:
Step 101, an angle rotation driver drives a high-pressure flushing fluid main pipe to carry out reciprocating angle rotation according to a set angle so as to enable a flushing fluid spray head connected with the flushing fluid main pipe to swing in a sector-shaped reciprocatingly, and a flushing fluid spray nozzle longitudinally arranged on the flushing fluid spray head sprays high-pressure flushing fluid in a sector-shaped surface onto a filter disc arranged at intervals with the flushing fluid spray head;
Step 102, the ultrasonic generator drives the ultrasonic vibration head to generate ultrasonic waves, so that the ultrasonic vibration head connected with the washing liquid main pipe swings in a sector-shaped reciprocatingly manner, and the filter discs arranged at intervals with the ultrasonic waves are cleaned by the ultrasonic waves.
Before step 101, the flushing liquid switch valve is required to be opened first, 10MPa high-pressure desalted water reaches the longitudinal nozzle of the flushing liquid spray head 1 through the flushing liquid inlet 7, the flushing liquid main pipe 3 and the flushing liquid branch pipe 2 and is sprayed out in a dispersed manner in a longitudinal 120-degree sector, the working surfaces of two adjacent filter discs 12 can be flushed simultaneously, the longitudinal sector spraying surfaces are perpendicularly intersected with the working surfaces of the filter discs 12, and the intersection line is a small straight line segment.
In step 101, the angular rotation driver 6 is started, and the angular rotation driver 6 is connected with the flushing fluid main pipe 3, so that the flushing fluid main pipe 3 can be driven to rotate at a set 45-degree reciprocating angle, and the flushing fluid branch pipe 2 and the flushing fluid spray head 1 fixed on the flushing fluid main pipe are driven to also perform a set 45-degree reciprocating fan-shaped swing, the swing range of the flushing fluid spray head 11 can be covered with the radius of the working surface of the filter disc 12 due to the set 45-degree reciprocating fan-shaped swing, and the intersection line of the flushing fluid spray sprayed by the longitudinal spray nozzles on the flushing fluid spray head 1 and the working surface of the filter disc 12 in a longitudinal fan-shaped distribution moves in an arc shape along the radius direction of the filter disc 12, so that a filter cake flushing area in a fan-shaped area as shown in fig. 2 is formed.
In this case, since the rotation shaft 11 drives the filter disc 12 to rotate slowly, the reciprocating fan-shaped swing of the flushing liquid spray head 1 is matched with the slow continuous rotation of the filter disc 12 to flush the flushing liquid on the whole disc surface of the filter disc 12.
In step 102, the ultrasonic generator 8 drives the ultrasonic vibration head 4 to generate ultrasonic waves, so that the ultrasonic vibration head 4 connected with the washing liquid main pipe swings in a sector-shaped reciprocatingly, and the filter discs 12 arranged at intervals from the ultrasonic waves are cleaned by the ultrasonic waves. It is mainly divided into the following two cases:
One case is: when the high-pressure flushing liquid washes the filter disc 12, if the flushing liquid and the later-used soaking liquid are the same liquid, the ultrasonic generator 8 can be directly started when the flushing liquid completely covers the filter disc 12 positioned at the highest layer, the ultrasonic generator 8 drives the ultrasonic vibration head 4 to generate ultrasonic waves in the flushing liquid, at the moment, the ultrasonic waves can shake off blocking particles at the mouth of the flushing liquid nozzle 14, and the nozzle mouth of the flushing liquid spray head 1 can be quickly dredged under the impact of the high-pressure flushing liquid. That is, in this case, the rinse liquid discharged through the rinse liquid nozzle 14 may be used as the immersion liquid, and the ultrasonic vibration head 4 may perform ultrasonic cleaning of the filter disc 12 in the rinse liquid.
The above washing liquid washing, soaking, and ultrasonic washing may be repeatedly performed for a plurality of cycles, so that the washing of the filter disc 12 may be completed.
Another case is: in the step 101, the flushing liquid and the soaking liquid are different liquids, so that after the flushing liquid flushes the filter disc 12 for about 10 minutes, the valve of the flushing liquid inlet 7 is closed, the valve of the slag discharge port 9 of the filter is opened, and muddy water mixed with the flushed filter cake slag blocks is emptied through the slag discharge port 9. Then, the valve of the soaking liquid inlet 13 positioned at the top of the shell 10 is opened to enable the soaking liquid to be filled in the shell 10, then, the valve of the soaking liquid inlet 13 is closed, the ultrasonic generator 8 is started to drive the ultrasonic vibration head 4 to generate ultrasonic waves in the soaking liquid, the ultrasonic vibration head 4 is used for cleaning filter cakes on the working surface of the filter disc 12 and blocking particles in holes in the filter material, and as the ultrasonic vibration head 4 is fixed at the front part of the flushing liquid branch pipe 2, the ultrasonic vibration head 4 is driven by the angle rotation driver 6 to do reciprocating fan-shaped swing with the flushing liquid spray head 1, and the ultrasonic vibration head 4 can carry out close-range ultrasonic cleaning on the whole working disc surface of the filter disc 12 by being matched with the continuous rotation of the filter disc 12, and after the soaking liquid is soaked and the ultrasonic cleaning is carried out for 10 minutes, the valve of the slag discharge port 9 of the filter is opened to empty muddy water.
The washing liquid, the soaking liquid and the ultrasonic washing can be repeatedly executed for a plurality of cycles, so that the washing of the filter disc can be completed.
It should be noted that, in the embodiment of the present invention, the soaking solution may be an aqueous solution containing 2% alkaline water; the rinse solution may be high pressure desalted water.
The filter disc cleaning method provided by the embodiment of the invention has good online cleaning effect, avoids the disassembly and the assembly of the filter disc from the filter, and effectively improves the continuous working level of the filter.
In summary, an embodiment of the present invention provides a filter disc cleaning device and a cleaning method, where the filter disc cleaning device includes: the rotating shaft is arranged in the shell, penetrates through the centers of the plurality of filter discs and drives the filter discs to horizontally rotate; one end of the flushing fluid main pipe is connected with the flushing fluid inlet, and the other end of the flushing fluid main pipe extends into the shell and is respectively connected with a plurality of flushing fluid branch pipes; the flushing fluid branch pipe is arranged at intervals with the filter disc, a flushing fluid spray head is arranged on an outlet of the flushing fluid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing fluid spray head; and the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet and used for driving the flushing fluid spray head and the ultrasonic vibration head to swing in a sector-shaped reciprocative manner along the radial direction of the filter disc when the filter disc horizontally rotates. This filter disc belt cleaning device can wash with high pressure, ultrasonic vibration washs and soak and washs and integrate into a set belt cleaning device, set up a shower nozzle and an ultrasonic vibration head on every flushing fluid branch pipe to the flushing fluid branch pipe can drive and wash shower nozzle and ultrasonic vibration head and do reciprocating fan-shaped swing relative filter disc working face, combines together with the slow rotation of filter disc and just can accomplish the high pressure washing of whole filter disc quotation and closely ultrasonic cleaning, and the cleaning performance is good, and this belt cleaning device has spare part quantity few, simple structure, compact size's advantage simultaneously. In the use scene that the filtering material contains adhesion particulate matters, the ultrasonic vibration head can also have the effect of preventing the adhesion of particulate matters from blocking the flushing liquid spray head and dredging the spray nozzle.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. A filter tray cleaning apparatus, comprising:
The rotating shaft is arranged in the shell, penetrates through the centers of the plurality of filter discs and drives the filter discs to horizontally rotate;
one end of the flushing fluid main pipe is connected with the flushing fluid inlet, and the other end of the flushing fluid main pipe extends into the shell and is respectively connected with a plurality of flushing fluid branch pipes;
The flushing fluid branch pipe is arranged at intervals with the filter disc, a flushing fluid spray head is arranged on an outlet of the flushing fluid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing fluid spray head; the number of the flushing fluid branch pipes corresponds to the number of the filter discs, and the flushing fluid branch pipes are arranged between two adjacent filter discs and outside the outermost filter discs;
the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet and is used for driving the flushing fluid spray head and the ultrasonic vibration head to swing in a sector-shaped reciprocative manner along the radial direction of the filter disc when the filter disc horizontally rotates;
the device also comprises a flushing liquid nozzle;
the device is longitudinally arranged on the flushing fluid spray head and is used for reciprocating swinging in a sector shape along the radial direction of the filter disc when the flushing fluid spray head is used for spraying flushing fluid from the flushing fluid spray head in a longitudinal sector shape;
The swing range of the flushing liquid spray head covers the radius of the filter disc, and the intersection line of the flushing liquid sprayed by the longitudinal fan-shaped surface and the working surface of the filter disc moves in an arc shape along the radial direction of the filter disc to form a filter cake flushing area of a fan-shaped ring area;
the angle of the sector-shaped reciprocating swing is 60-150 degrees, wherein the sector angle of the sector-shaped reciprocating swing is 20-50 degrees.
2. The apparatus of claim 1, wherein the longitudinal sector jets are perpendicular to the working surface of the filter discs;
When the flushing liquid spray head is arranged between two adjacent filter discs, the flushing liquid from the flushing liquid spray nozzle flushes the working surfaces of the two adjacent filter discs simultaneously.
3. The apparatus of claim 1, further comprising an ultrasonic power signal line and an ultrasonic generator;
the ultrasonic generator is arranged outside the shell and is electrically connected with the ultrasonic vibration head through the ultrasonic power supply signal wire; the ultrasonic power supply signal wire is sequentially bonded in the flushing fluid main pipe and the flushing fluid branch pipe through insoluble insulating glue;
the ultrasonic generator is used for carrying out ultrasonic cleaning on the whole working surface of the filter disc by the ultrasonic vibration head when the flushing fluid spray head swings in a sector-shaped reciprocative manner along the radial direction of the filter disc.
4. The apparatus of claim 1, wherein the number of rinse liquid branches matches the number of filter discs, and when the number of filter discs is N, the number of rinse liquid branches is n+1, where N is a natural number.
5. The apparatus of claim 1, wherein when the filter tray is a double-sided filter tray, the ultrasonic vibration head provided on the flushing liquid branch pipe is a bidirectional vibration head; or alternatively
When the filter disc is a single-sided filter disc, the ultrasonic vibration head arranged on the flushing fluid branch pipe is a unidirectional vibration head, and the ultrasonic vibration head faces the single-sided filter disc.
6. The apparatus of any one of claims 1 to 5, further comprising a slag discharge port and a soak solution inlet;
the shell is one of a vertical type closed shell, a horizontal type closed shell and an open type shell; the slag discharging port is arranged at the bottom of the shell;
the soaking liquid inlet is arranged at the top of the shell and is used for flushing the soaking liquid into the shell, and the soaking liquid is used for soaking the filter disc arranged on the rotating shaft.
7. A method of cleaning a filter tray, comprising:
The angle rotation driver drives the high-pressure flushing fluid main pipe to carry out reciprocating angle rotation according to a set angle so as to
The flushing liquid spray head connected with the flushing liquid main pipe swings in a sector-shaped reciprocatingly, and the flushing liquid spray nozzle longitudinally arranged on the flushing liquid spray head sprays high-pressure flushing liquid on the filter disc arranged at intervals with the flushing liquid spray head in a sector-shaped surface;
The ultrasonic generator drives the ultrasonic vibration head to generate ultrasonic waves so that the ultrasonic vibration head connected with the washing liquid main pipe swings in a sector-shaped reciprocatingly manner, and ultrasonic cleaning is carried out on the filter discs arranged at intervals with the ultrasonic waves;
when the flushing liquid spray head swings in a sector-shaped reciprocatingly along the radial direction of the filter disc, flushing liquid is sprayed from a flushing liquid spray nozzle longitudinally arranged on the flushing liquid spray head in a longitudinal sector shape.
8. The method of claim 7, wherein before the ultrasonic generator drives the ultrasonic vibration head to generate the ultrasonic wave, further comprising:
Closing the flushing liquid inlet valve, flushing the soaking liquid into the shell so as to enable the soaking liquid to fill the shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297828.4A CN113857133B (en) | 2021-11-03 | 2021-11-03 | Filter disc cleaning device and cleaning method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111297828.4A CN113857133B (en) | 2021-11-03 | 2021-11-03 | Filter disc cleaning device and cleaning method |
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| CN113857133A CN113857133A (en) | 2021-12-31 |
| CN113857133B true CN113857133B (en) | 2024-05-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101524607A (en) * | 2009-04-23 | 2009-09-09 | 北京东方康明科技开发有限公司 | Multifunctional ceramic filterer ultrasonic washing system |
| CN102151428A (en) * | 2011-01-31 | 2011-08-17 | 江苏博思达环保科技有限公司 | Rotary disk filter |
| CN102614702A (en) * | 2011-01-31 | 2012-08-01 | 江苏博思达环保科技有限公司 | Ultrasonic blockage eliminator for rotary disk filter |
| CN109200669A (en) * | 2018-09-14 | 2019-01-15 | 青岛安装建设股份有限公司 | A kind of half immersion fiber rotary disc filter |
| CN216174707U (en) * | 2021-11-03 | 2022-04-05 | 西部宝德科技股份有限公司 | Filter disc cleaning device |
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2021
- 2021-11-03 CN CN202111297828.4A patent/CN113857133B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524607A (en) * | 2009-04-23 | 2009-09-09 | 北京东方康明科技开发有限公司 | Multifunctional ceramic filterer ultrasonic washing system |
| CN102151428A (en) * | 2011-01-31 | 2011-08-17 | 江苏博思达环保科技有限公司 | Rotary disk filter |
| CN102614702A (en) * | 2011-01-31 | 2012-08-01 | 江苏博思达环保科技有限公司 | Ultrasonic blockage eliminator for rotary disk filter |
| CN109200669A (en) * | 2018-09-14 | 2019-01-15 | 青岛安装建设股份有限公司 | A kind of half immersion fiber rotary disc filter |
| CN216174707U (en) * | 2021-11-03 | 2022-04-05 | 西部宝德科技股份有限公司 | Filter disc cleaning device |
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| CN113857133A (en) | 2021-12-31 |
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