CN113857133A - Filter disc cleaning device and cleaning method - Google Patents
Filter disc cleaning device and cleaning method Download PDFInfo
- Publication number
- CN113857133A CN113857133A CN202111297828.4A CN202111297828A CN113857133A CN 113857133 A CN113857133 A CN 113857133A CN 202111297828 A CN202111297828 A CN 202111297828A CN 113857133 A CN113857133 A CN 113857133A
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- filter disc
- flushing
- filter
- flushing liquid
- ultrasonic
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- 238000004140 cleaning Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 215
- 238000011010 flushing procedure Methods 0.000 claims abstract description 107
- 239000007921 spray Substances 0.000 claims abstract description 48
- 239000012530 fluid Substances 0.000 claims abstract description 44
- 238000005406 washing Methods 0.000 claims description 96
- 238000002791 soaking Methods 0.000 claims description 29
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 17
- 239000002893 slag Substances 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000006210 lotion Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000012065 filter cake Substances 0.000 description 15
- 239000000243 solution Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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 filtering separation. The cleaning device is used for solving the problems that the existing filter disc is not thoroughly cleaned and the cleaning effect is poor, and meanwhile, the cleaning device has the problems that parts are more and the structure is more complex. The method comprises 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 liquid main pipe is connected with the flushing liquid inlet, and the other end of the flushing liquid main pipe extends into the shell and is respectively connected with the plurality of flushing liquid branch pipes; the flushing liquid branch pipe is arranged at a distance from the filter disc, a flushing liquid spray head is arranged on an outlet of the flushing liquid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing liquid spray head; 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 fan-shaped reciprocating manner along the radius direction of the filter disc when the filter disc rotates horizontally.
Description
Technical Field
The invention relates to the technical field of solid-liquid filtering separation, in particular to a filter disc cleaning device and a cleaning method.
Background
The rotary disc filter is solid-liquid filtering separation equipment with a plurality of rotary filter discs in a shell, solid particles intercepted during working can be inevitably accumulated on the surfaces of the filter discs to form filter cakes, a small amount of fine particles enter holes inside the filter materials on the surfaces of the filter discs to block the holes, the filtering resistance is increased, the filtering flux is reduced, and in order to reduce the influence of the filter cakes on filtering, the filter disc filter cake scraper is generally configured in the prior art so as to timely clear the filter cakes, but the filter cake scraper and the surfaces of the filter discs have certain gaps, residual filter cake layers which cannot be cleared by scraping exist, and blocking particles in the holes inside the filter materials cannot be cleared. If the commonly used backwashing filter cake removing and filter material cleaning methods in the filtration technology are used, the surface of the filter disc is easy to bulge and deform, and the normal use of the filter disc is influenced. Therefore, how to more thoroughly remove the filter cake on the surface of the rotating filter disc and the blocking particles in the holes inside the filter material becomes a problem which affects the filtering flux of the filter disc and restricts the continuous operation of the filter.
To sum up, current filter disc washs to have and washs not thoroughly enough, leads to the poor problem of cleaning performance, and simultaneously, belt cleaning device has spare part more and leads to the problem that the structure is more complicated.
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 cleaning effect is poor due to incomplete cleaning existing in the conventional filter disc cleaning, and the cleaning device has a complex structure due to more parts.
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 liquid main pipe is connected with the flushing liquid inlet, the other end of the flushing liquid main pipe extends into the shell, and the flushing liquid main pipe is respectively connected with the plurality of flushing liquid branch pipes;
the flushing liquid branch pipe is arranged at a distance from the filter disc, a flushing liquid spray head is arranged on an outlet of the flushing liquid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing liquid spray head;
the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet, and the flushing fluid nozzle and the ultrasonic vibration head are driven to swing in a fan-shaped reciprocating manner in the radial direction of the filter disc when the filter disc rotates horizontally.
Preferably, the device also comprises a flushing liquid nozzle;
the flushing liquid nozzle is longitudinally arranged on the flushing liquid nozzle and used for swinging in a fan-shaped reciprocating manner along the radius direction of the filter disc, and flushing liquid is sprayed from the flushing liquid nozzle in a longitudinal fan-shaped surface.
Preferably, the longitudinal sector jets are perpendicular to the working face of the filter disc;
when the washing liquid spray head is arranged between two adjacent filter discs, the washing liquid from the washing liquid spray nozzle simultaneously washes the working surfaces of the two adjacent filter discs
Preferably, the ultrasonic wave power supply signal wire and the ultrasonic wave generator are also included;
the ultrasonic generator is arranged outside the shell and is electrically connected with the ultrasonic vibration head through the ultrasonic power signal wire; the ultrasonic power supply signal wire is sequentially bonded in the flushing liquid header pipe and the flushing liquid branch pipe through insoluble insulating glue;
and 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 liquid spray head swings in a fan-shaped reciprocating manner along the radius direction of the filter disc.
Preferably, the angle of the fan-shaped reciprocating swing is 60 to 150 °, wherein the fan-shaped angle of the fan-shaped reciprocating swing is 20 to 50 °.
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 liquid branch pipe is a bidirectional vibration head; or
When the filter disc is a single-sided filter disc, the ultrasonic vibration head arranged on the washing liquid branch pipe is a one-way 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 discharge port is arranged at the bottom of the shell;
the soaking liquid inlet is arranged at the top of the shell and used for injecting 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 angular rotation driver drives the high-pressure washing liquid main pipe to perform reciprocating angular rotation according to a set angle, so that a washing liquid spray head connected with the washing liquid main pipe swings in a fan-shaped reciprocating manner, and a washing liquid nozzle longitudinally arranged on the washing liquid spray head sprays high-pressure washing liquid onto a filter disc arranged at an interval with the washing liquid spray head in a fan-shaped manner;
ultrasonic generator drives ultrasonic vibration head and produces the ultrasonic wave to the messenger is connected with lotion house steward ultrasonic vibration head is fan-shaped reciprocating swing, to with the filter disc that the ultrasonic wave interval set up carries out ultrasonic cleaning.
Preferably, before the ultrasonic generator drives the ultrasonic vibration head to generate ultrasonic waves, the method further includes:
and closing the washing liquid inlet valve, and filling the soaking liquid into the shell so as to fill the shell with the soaking liquid.
The embodiment of the invention provides a filter disc cleaning device and a cleaning method, wherein the filter disc cleaning device 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 liquid main pipe is connected with the flushing liquid inlet, the other end of the flushing liquid main pipe extends into the shell, and the flushing liquid main pipe is respectively connected with the plurality of flushing liquid branch pipes; the flushing liquid branch pipe is arranged at a distance from the filter disc, a flushing liquid spray head is arranged on an outlet of the flushing liquid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing liquid spray head; the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet, and the flushing fluid nozzle and the ultrasonic vibration head are driven to swing in a fan-shaped reciprocating manner in the radial direction of the filter disc when the filter disc rotates horizontally. This filter disc belt cleaning device, can wash integrated one set of belt cleaning device with ultrasonic vibration washing with high pressure, set up a washing terminals and an ultrasonic vibration head on every flush fluid branch pipe, and the flush fluid branch pipe can drive washing terminals and the relative filter disc working face of ultrasonic vibration head and be the fan-shaped swing of reciprocity, the high pressure that just can accomplish whole filter disc quotation with the slow rotation of filter disc combines together washes the washing and closely ultrasonic cleaning, the cleaning performance is good, this belt cleaning device has spare part is small in quantity simultaneously, moreover, the steam generator is simple in structure, compact size's advantage. In the use scene that the filter material contains adhesion particulate matter, ultrasonic wave vibrations head still can have the effect that prevents that the particulate matter adhesion from blockking up the flush fluid shower nozzle and mediation nozzle concurrently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a filter disc cleaning apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of a rinse solution nozzle, a rinse solution manifold and a filter disc according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a rinse solution nozzle and a rinse solution spray nozzle provided in 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 labels in the figure are: 1 is the flush fluid shower nozzle, 2 is the flush fluid branch pipe, 3 is the flush fluid house steward, 4 is ultrasonic wave vibrations head, 5 is ultrasonic signal power cord, 6 is the angle rotation driver, 7 is the flush fluid import, 8 is supersonic generator, 9 is row cinder notch, 10 is the casing, 11 is the axis of rotation, 12 is the filter disc, 13 is the immersion fluid import, 14 is the flush fluid nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a filter disc cleaning apparatus according to an embodiment of the present invention; FIG. 2 is a schematic diagram of the structure of a rinse solution nozzle, a rinse solution manifold and a filter disc according to an embodiment of the present invention; fig. 3 is a schematic structural view of a rinse liquid spray head and a rinse liquid spray nozzle according to an embodiment of the present invention, and the filter disc cleaning apparatus according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 3. As shown in fig. 1, the filter disc cleaning apparatus mainly includes: axis of rotation 11, filter disc 12, washing liquid house steward 3, washing liquid import 7, casing 10, washing liquid branch pipe 2, washing liquid shower nozzle 1, ultrasonic vibration head 4 and angle gyration driver 6.
Specifically, the rotation shaft 11 is provided in the housing 10 to penetrate the center of the plurality of filter discs 12, and the filter discs 12 can be horizontally rotated when the rotation shaft 11 is rotated.
One end of the flushing liquid main pipe 3 is arranged outside the shell 10 and is connected with the angular rotation driver 6, furthermore, the lower end of the flushing liquid main pipe 3 is also provided with a flushing liquid inlet 7, and the flushing liquid inlet 7 is connected with a flushing liquid switch valve through a high-pressure hose; the other end extends into the casing 10 and is arranged at one side inside the casing 10, the washing liquid main pipe 3 is provided with a plurality of washing liquid branch pipes 2, namely, the washing liquid main pipe 3 is respectively connected with the plurality of washing liquid branch pipes 2, in the embodiment of the invention, the washing liquid branch pipes 2 are required to be arranged at intervals with the filter discs 12, therefore, the number of the washing liquid branch pipes 2 is required to correspond to the number of the filter discs 12, and the washing liquid branch pipes are arranged between two adjacent filter discs 12 and at one side of the most lateral filter disc 12.
Further, the outlet of the washing liquid branch pipe 2 is provided with a washing liquid spray head 1, and washing liquid can be sprayed onto the filter disc 12 through the washing liquid spray head 1, so that the filter disc 12 is washed. Specifically, because angle gyration driver 6 is connected with washing liquid house steward 3, after angle gyration driver 6 opened, can drive washing liquid house steward 3 and carry out the rotation of reciprocating angle to drive washing liquid branch pipe 2 and fix washing liquid shower nozzle 1 on washing liquid branch pipe 2 and also carry out the fan-shaped swing of reciprocating of set angle. For example, when the set angle is 45 °, the angular rotation driver 6 drives the washing liquid branch pipe 2 and the washing liquid nozzle 1 fixed on the washing liquid branch pipe 2 to perform a reciprocating fan-shaped swing of 45 °, the set reciprocating fan-shaped swing of 45 ° can make the swing range of the washing liquid nozzle 1 cover the radius of the working surface of the filter disc 12, and also make the washing liquid spray sprayed by the washing liquid nozzle 1 in a longitudinal fan-shaped distribution, and the intersection line of the washing liquid spray in the longitudinal fan-shaped distribution and the working surface of the filter disc 12 moves arcuately in the radial direction of the filter disc 12, thereby forming a filter cake washing area of a fan-shaped area as shown in fig. 2.
Furthermore, because the ultrasonic vibration head 4 is also arranged on the washing liquid branch pipe 2, when the shell 10 is filled with the washing liquid flushed into the shell 10, the ultrasonic vibration head 4 can be started, the ultrasonic vibration head 4 generates ultrasonic waves in the washing liquid, and filter cakes on the working surface of the filter disc 12 and blocking particles in holes inside the filter material are cleaned by the ultrasonic waves; because the ultrasonic vibration head 4 is fixed at the front part of the washing 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 washing 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 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, the flushing liquid spray head 1 and the ultrasonic vibration head 4 which are arranged on the flushing liquid branch pipe 2 are adopted, so that high-pressure flushing cleaning and ultrasonic vibration cleaning can be integrated into a 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; furthermore, the cleaning spray head and the ultrasonic vibration head 4 can be driven to do reciprocating sector swing relative to the working surface of the filter disc 12 through the angular rotation driver 6, so that the high-pressure washing and the close-range ultrasonic washing 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, which is disposed at the top of the housing 10, and is used for injecting the soaking liquid into the housing 10, so that the soaking liquid can soak the filter discs 12 disposed on the rotating shaft 11 when the housing 10 is filled with the soaking liquid. Further, by starting the ultrasonic vibration head 4 arranged on the washing liquid branch pipe 2, the ultrasonic vibration head 4 can generate ultrasonic waves in the soaking liquid, the ultrasonic waves can also carry out short-distance ultrasonic cleaning on the whole working disc surface of the filter disc 12, and filter cakes on the working surface of the filter disc 12 and blocking particles in holes inside the filter material are cleaned; further, when starting ultrasonic wave vibrations head 4, also can start angle gyration driver 6, because angle gyration driver 6 is connected with washing liquid house steward 3, washing liquid house steward 3 can drive washing liquid branch pipe 2 and fix ultrasonic wave vibrations head 4 on washing liquid branch pipe 2 and carry out the fan-shaped swing of the reciprocity of setting for the angle. For example, when the set angle is 45 °, the angular rotation driver 6 drives the flushing fluid branch pipe 2 and the ultrasonic vibration head 4 fixed to the flushing fluid branch pipe 2 to perform reciprocating sector swing of 45 °, the set reciprocating sector swing of 45 ° enables the swing range of the ultrasonic vibration head 4 to cover the radius of the working surface of the filter disc 12, and also enables ultrasonic waves generated by the ultrasonic vibration head 4 to be distributed in a longitudinal sector, and the intersecting line of the ultrasonic waves distributed in the longitudinal sector 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 filter cakes on the working surface of the filter disc 12 and blocking particles in holes inside the filter material can be cleaned.
It should be noted that the cleaning device for the filter disc 12 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 an ultrasonic signal power line 5; wherein, the ultrasonic signal power line 5 is sequentially bonded in the flushing liquid header pipe 3 and the flushing liquid branch pipe 2 through insoluble insulating glue; the ultrasonic generator 8 is used for carrying out ultrasonic cleaning on 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 fan-shaped reciprocating manner along the radius direction of the filter disc 12.
In the embodiment of the present invention, the housing 10 may be a vertical type hermetic housing, a horizontal type hermetic housing, or an open type housing.
In one example, the filter disc 12 cleaning apparatus further includes a rinse solution nozzle 14. As shown in fig. 2 and 3, the rinse liquid nozzle 14 is provided in the longitudinal direction of the rinse liquid head 1, and is configured to oscillate in a fan-shaped reciprocating manner in the radial direction of the filter disk 12 in the rinse liquid head 1, and the rinse liquid is ejected from the rinse liquid nozzle 14 in a longitudinal fan-shaped manner.
When angle gyration driver 6 drives flush fluid house steward 3, flush fluid branch pipe 2 and the fan-shaped swing of the reciprocity of setting for the angle of flush fluid shower nozzle 1, the flush fluid jets out from flushing fluid nozzle 14, and for being vertical sector distribution flush fluid spraying, should be the intersection line of the flush fluid spraying that vertical sector distributes and filter disc 12 working face along the arc removal of 12 radius directions of filter disc to the completion is to the washing of filter disc 12.
It should be noted that when the washing liquid spray head 1 is disposed between two adjacent filter discs 12, the washing liquid from the washing liquid spray nozzle 14 simultaneously washes the working surfaces of the two adjacent filter discs 12.
In the embodiment of the present invention, in order to clean the filter disc 12 in all directions, it is preferable that the angle of the fan-shaped reciprocating swing is 60 ° to 150 °, and the fan-shaped angle of the fan-shaped reciprocating swing is 20 ° to 50 °.
In one example, the number of flushing-liquid branch pipes 2 matches the number of filter discs 12, in particular when the number of filter discs 12 is N, the number of flushing-liquid branch pipes 2 is N + 1. Wherein N is a natural number. For example, when the number of the filter disks 12 is 5, the washing liquid branch pipes 2 need to be disposed not only between the filter disks 12 but also outside the outermost filter disks 12 in order to be able to clean the work surfaces of the filter disks 12, and thus the number of the washing liquid branch pipes 2 needs to be 6. Correspondingly, 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 one example, when the filter discs 12 are double-sided filter discs 12, the ultrasonic vibration head 4 provided on the rinsing liquid branch pipe 2 is required to clean the double-sided filter discs 12 at the same time, and thus 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 rinsing liquid branch pipe 2 may be a one-way 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 washing liquid main pipe to perform reciprocating angle rotation according to a set angle, so that a washing liquid spray head connected with a washing liquid main pipe swings in a fan-shaped reciprocating manner, and a washing liquid nozzle longitudinally arranged on the washing liquid spray head sprays high-pressure washing liquid onto a filter disc arranged at an interval with the washing liquid spray head in a fan-shaped manner;
and 102, driving an ultrasonic vibration head to generate ultrasonic waves by an ultrasonic generator so that the ultrasonic vibration head connected with a washing liquid header pipe swings in a fan-shaped reciprocating manner, and performing ultrasonic cleaning on a filter disc arranged at an interval with the ultrasonic waves.
Before the step 101, a washing liquid switch valve needs to be opened, 10MPa high-pressure desalted water reaches a longitudinal nozzle of a washing liquid spray head 1 through a washing liquid inlet 7, a washing liquid main pipe 3 and a washing liquid branch pipe 2 and then is sprayed out in a longitudinal 120-degree sector-shaped surface dispersing mode, the working surfaces of two adjacent filter discs 12 can be washed simultaneously, the longitudinal sector-shaped spraying surfaces are perpendicularly intersected with the working surfaces of the filter discs 12, and an intersection line is a small segment of straight line segment.
In step 101, the angular rotation driver 6 is started, and the angular rotation driver 6 is connected to the flushing liquid main pipe 3, so that the flushing liquid main pipe 3 can be driven to perform a set reciprocating angular rotation of 45 °, and the flushing liquid branch pipe 2 and the flushing liquid spray head 1 fixed thereto are also driven to perform a set reciprocating sector swing of 45 °, and the set reciprocating sector swing of 45 ° can enable the swing range of the flushing liquid spray head 11 to cover the radius of the working surface of the filter disc 12, and enable the intersection line of the flushing liquid spray which is sprayed by the longitudinal nozzle on the flushing liquid spray head 1 and distributed in the longitudinal sector plane and the working surface of the filter disc 12 to move in an arc shape along the radius direction of the filter disc 12, thereby forming a filter cake washing area in the sector annular area as shown in fig. 2.
In this case, since the rotation shaft 11 drives the filter disc 12 to rotate slowly, the reciprocating fan-shaped swing of the washing liquid nozzle 1 and the slow continuous rotation of the filter disc 12 cooperate to wash the washing liquid onto the entire 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 header pipe swings in a fan-shaped reciprocating manner, and the filter disc 12 arranged at an interval with the ultrasonic waves is subjected to ultrasonic cleaning. It is mainly divided into the following two cases:
one situation is: when high-pressure flush fluid washes filter disc 12, if the flush fluid is the same kind of liquid with the soak solution of later stage use, can cover completely when being located the filter disc 12 of highest level at the flush fluid, directly start supersonic generator 8, supersonic generator 8 drives ultrasonic wave vibrations head 4 and produces the ultrasonic wave in the flush fluid, and at this moment, the ultrasonic wave can shake the pine with 14 mouthful of jam granule of flush fluid nozzle, can dredge the nozzle opening of flush fluid shower nozzle 1 rapidly under the impact of high-pressure flush fluid moreover. In other words, in this case, the rinse liquid discharged through the rinse liquid nozzle 14 can be used as the soaking liquid, and the ultrasonic vibration head 4 can complete the ultrasonic cleaning of the filter disk 12 in the rinse liquid.
The above washing liquid cleaning, soaking, and ultrasonic cleaning may be repeatedly performed for a plurality of cycles, so that the cleaning of the filter discs 12 may be completed.
The other situation is as follows: in the step 101, the flushing liquid and the soak solution are different liquids, so that after the filter disc 12 is flushed by the flushing liquid for about 10 minutes, the valve of the flushing liquid inlet 7 is closed, the valve of the slag discharging port 9 of the filter is opened, and muddy water mixed with flushed filter cake slag blocks is emptied through the slag discharging 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 fill 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, filter cakes on the working surface of the filter disc 12 and blocking particles in holes inside the filter material are cleaned by the ultrasonic waves, 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 angular rotation driver 6 to do reciprocating fan-shaped swing with the flushing liquid nozzle 1, the ultrasonic vibration head 4 can perform close-range ultrasonic cleaning on the whole working surface of the filter disc 12 by matching with the continuous rotation of the filter disc 12, and after the soaking liquid is soaked and the ultrasonic cleaning for 10 minutes, the valve of the slag discharge port 9 of the filter is opened to empty muddy water.
The above washing liquid cleaning, soaking in the soaking liquid, and ultrasonic cleaning may be repeatedly performed for a plurality of cycles, so that the cleaning of the filter disc may be completed.
In the embodiment of the present invention, the soaking solution may be an aqueous solution containing 2% of alkali; the irrigation fluid may be high pressure desalinated water.
The filter disc cleaning method provided by the embodiment of the invention has a good online cleaning effect, avoids the disassembly and the assembly of the filter disc from the filter, and powerfully improves the continuous working level of the filter.
In summary, an embodiment of the present invention provides a filter disc cleaning apparatus and a cleaning method, where the filter disc cleaning apparatus 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 liquid main pipe is connected with the flushing liquid inlet, the other end of the flushing liquid main pipe extends into the shell, and the flushing liquid main pipe is respectively connected with the plurality of flushing liquid branch pipes; the flushing liquid branch pipe is arranged at a distance from the filter disc, a flushing liquid spray head is arranged on an outlet of the flushing liquid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing liquid spray head; the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet, and the flushing fluid nozzle and the ultrasonic vibration head are driven to swing in a fan-shaped reciprocating manner in the radial direction of the filter disc when the filter disc rotates horizontally. This filter disc belt cleaning device, can wash the washing with high pressure, ultrasonic vibration washs and soak and wash integrated to one set of belt cleaning device, set up a washing terminals and an ultrasonic vibration head on every flush fluid branch pipe, and the flush fluid branch pipe can drive washing terminals and the relative filter disc working face of ultrasonic vibration head and be the fan-shaped swing of reciprocity, combine 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, the cleaning performance is good, this belt cleaning device has spare part is small in quantity simultaneously, moreover, the steam generator is simple in structure, compact size's advantage. In the use scene that the filter material contains adhesion particulate matter, ultrasonic wave vibrations head still can have the effect that prevents that the particulate matter adhesion from blockking up the flush fluid shower nozzle and mediation nozzle concurrently.
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. Therefore, it is intended that the appended claims be interpreted as including 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 changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A filter disc 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 liquid main pipe is connected with the flushing liquid inlet, the other end of the flushing liquid main pipe extends into the shell, and the flushing liquid main pipe is respectively connected with the plurality of flushing liquid branch pipes;
the flushing liquid branch pipe is arranged at a distance from the filter disc, a flushing liquid spray head is arranged on an outlet of the flushing liquid branch pipe, and an ultrasonic vibration head is arranged at one end close to the flushing liquid spray head;
the angle rotation driver is arranged on the flushing fluid main pipe and is close to the flushing fluid inlet, and the flushing fluid nozzle and the ultrasonic vibration head are driven to swing in a fan-shaped reciprocating manner in the radial direction of the filter disc when the filter disc rotates horizontally.
2. The apparatus of claim 1, further comprising a rinse solution nozzle;
the flushing liquid nozzle is longitudinally arranged on the flushing liquid nozzle and used for swinging in a fan-shaped reciprocating manner along the radius direction of the filter disc, and flushing liquid is sprayed from the flushing liquid nozzle in a longitudinal fan-shaped surface.
3. The apparatus of claim 2 wherein said longitudinal fan spray is perpendicular to the working face of the filter disc;
when the flushing liquid spray head is arranged between two adjacent filter discs, the flushing liquid from the flushing liquid spray nozzle simultaneously flushes the working surfaces of the two adjacent filter discs.
4. 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 signal wire; the ultrasonic power supply signal wire is sequentially bonded in the flushing liquid header pipe and the flushing liquid branch pipe through insoluble insulating glue;
and 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 liquid spray head swings in a fan-shaped reciprocating manner along the radius direction of the filter disc.
5. The device as claimed in any one of claims 1, 2 and 4, wherein the angle of the fan-shaped reciprocating swing is 60-150 °, and wherein the fan-shaped angle of the fan-shaped reciprocating swing is 20-50 °.
6. The apparatus of claim 1, wherein the number of the washing 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 washing liquid branch pipes is N +1, where N is a natural number.
7. The apparatus of claim 1, wherein when the filter disk is a double-sided filter disk, the ultrasonic vibrator head provided on the rinsing liquid branch pipe is a bidirectional vibrator head; or
When the filter disc is a single-sided filter disc, the ultrasonic vibration head arranged on the washing liquid branch pipe is a one-way vibration head, and the ultrasonic vibration head faces the single-sided filter disc.
8. The device according to any one of claims 1 to 7, further comprising a slag discharge port and a soaking solution inlet;
the slag discharge port is arranged at the bottom of the shell;
the soaking liquid inlet is arranged at the top of the shell and used for injecting soaking liquid into the shell, and the soaking liquid is used for soaking the filter disc arranged on the rotating shaft.
9. A method of cleaning a filter disc, comprising:
the angular rotation driver drives the high-pressure washing liquid main pipe to perform reciprocating angular rotation according to a set angle, so that a washing liquid spray head connected with the washing liquid main pipe swings in a fan-shaped reciprocating manner, and a washing liquid nozzle longitudinally arranged on the washing liquid spray head sprays high-pressure washing liquid onto a filter disc arranged at an interval with the washing liquid spray head in a fan-shaped manner;
ultrasonic generator drives ultrasonic vibration head and produces the ultrasonic wave to the messenger is connected with lotion house steward ultrasonic vibration head is fan-shaped reciprocating swing, to with the filter disc that the ultrasonic wave interval set up carries out ultrasonic cleaning.
10. The method of claim 9, wherein before the ultrasonic generator drives the ultrasonic vibration head to generate the ultrasonic waves, the method further comprises:
and closing the washing liquid inlet valve, and filling the soaking liquid into the shell so as to fill the shell with the soaking liquid.
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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 true CN113857133A (en) | 2021-12-31 |
| CN113857133B 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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| CN113857133B (en) | 2024-05-14 |
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