CN211562134U - Fly ash suction filtration system - Google Patents
Fly ash suction filtration system Download PDFInfo
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- CN211562134U CN211562134U CN202020075843.9U CN202020075843U CN211562134U CN 211562134 U CN211562134 U CN 211562134U CN 202020075843 U CN202020075843 U CN 202020075843U CN 211562134 U CN211562134 U CN 211562134U
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- ceramic filter
- fly ash
- suction filtration
- filtration system
- ash suction
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Abstract
The application relates to a fly ash suction filtration system, which comprises a feed tank, a ceramic filter and an ultrasonic cleaning device; the ceramic filter comprises a frame, a rotary drum and a plurality of annular filtering devices, wherein scraping plates are arranged on two sides of each annular filtering device; the ceramic filter plate comprises a fan-shaped substrate, a cavity, two water outlets and micro-membrane holes, wherein a permanent magnet sheet is arranged between the two water outlets, a plurality of outer grooves are uniformly distributed on two plate surfaces of the ceramic filter plate, and the cross sectional area of the micro-membrane holes is gradually reduced from outside to inside; the middle parts of the two plate surfaces of the ceramic filter plate are provided with arc-shaped depressions; the ultrasonic cleaning device comprises a vertical rod and an ultrasonic transducer, wherein the vertical rod is positioned between every two annular filtering devices, the ultrasonic transducer is fixed on the vertical rod, and the ultrasonic transducer is arranged on the vertical rod in a displaceable manner. So set up, this fly ash suction filtration system solves current ceramic filter and blocks up easily, and the cleaning frequency is high, the poor problem of cleaning performance.
Description
Technical Field
The application relates to the technical field of fly ash suction filtration, in particular to a fly ash suction filtration system.
Background
With the progress of society and the development of science and technology, people pursue more and more to life, a ceramic filter is a new generation of high-efficiency and energy-saving solid-liquid separation machine, a porous ceramic filter plate is adopted as a filter medium, only water can pass through the filter plate in the filtering process due to the action of capillary force, and air cannot pass through the filter plate all the time, so that the ceramic filter has excellent high-efficiency and energy-saving properties and is usually used for suction filtration of fly ash slurry.
When using, form the negative pressure through the vacuum pump in ceramic filter's inside, fine graininess material then is adsorbed on ceramic filter surface in the ground paste, and along with ceramic filter's rotation, ceramic plate surperficial material is taken out futilely and is formed the filter cake, strikes off by scraping the flitch again, but tiny granule in the ground paste very easily blocks up ceramic filter, needs regularly wash the filter, and the cleaning frequency is higher, and work efficiency is low.
Moreover, when the micropores on the surface of the ceramic filter plate are blocked to a certain extent by fine particles, the effect is difficult to achieve by simply cleaning with backwash water, and at this time, more powerful ultrasonic cleaning is required. At present, the installation of ultrasonic cleaning device all fixes the bottom at the silo, and the wave beam that every ultrasonic transducer sent all is in certain extent, and these wave beams superpose each other for some regions are strengthened, some regions are weakened, appear wasing the blind area, and the cleaning performance is relatively poor, and influences the filter effect.
Therefore, how to solve the problems of easy blockage, high cleaning frequency and poor cleaning effect of the existing ceramic filter is a key technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists among the correlation technique at least to a certain extent, the aim at of this application provides a fly ash suction filtration system, and it can solve current ceramic filter and block up easily, and the cleaning frequency is high, and the cleaning performance is poor problem.
The application provides a fly ash suction filtration system which is characterized by comprising a feed tank for containing slurry, a ceramic filter positioned in the feed tank, a feed pipe and a discharge pipe which are communicated with the feed tank, an ultrasonic cleaning device positioned in the feed tank, a negative pressure device and a back washing device which are communicated with the ceramic filter;
the ceramic filter comprises a frame, a rotary drum which is rotatably arranged on the frame, and a plurality of annular filtering devices which are arranged along the axial direction of the rotary drum, wherein each annular filtering device comprises a plurality of ceramic filtering plates and is arranged in a surrounding way along the circumferential direction of the rotary drum, and the annular filtering devices rotate along with the rotary drum and form a vacuum area, a drying area, a discharging area and a backwashing area along the rotating direction; scraping plates are arranged on two sides of each annular filtering device, the scraping plates are positioned in an unloading area and are connected to the rack through a mounting seat, the mounting seat is U-shaped and is detachably fixed on the upper end edge of the rack, two scraping plates are oppositely arranged on the mounting seat, the middle parts of the scraping plates are hinged to the mounting seat, and a compression spring is arranged between the lower parts of the scraping plates and the mounting seat so that the cutting parts of the scraping plates are abutted against the ceramic filtering plate;
the ceramic filter plate comprises a fan-shaped substrate, a cavity positioned in the substrate, water outlets positioned on the inner side surface of the substrate and communicated with the cavity, and micro-membrane holes positioned on two plate surfaces of the substrate and communicated with the cavity, wherein two water outlets are oppositely arranged, a permanent magnet sheet is arranged between the two water outlets, a plurality of outer grooves are uniformly distributed on the two plate surfaces of the ceramic filter plate, and the cross-sectional area of the micro-membrane holes is gradually reduced from outside to inside; the middle parts of the two plate surfaces of the ceramic filter plate are provided with arc-shaped recesses, the arc-shaped recesses on the annular filter device are positioned on the same circumference, and the middle part of the cutting part of the scraping plate is provided with a bend matched with the arc-shaped recesses;
the ultrasonic cleaning device comprises a vertical rod and an ultrasonic transducer, wherein the vertical rod is positioned between every two adjacent annular filtering devices, the ultrasonic transducer is fixed on the vertical rod, and the ultrasonic transducer is arranged on the vertical rod in a displaceable manner;
the negative pressure device comprises a vacuum barrel communicated with the water outlet and a vacuum pump communicated with the vacuum barrel, and the back washing device comprises a washing pipe communicated between the water outlet and the lower port of the vacuum barrel, a cleaning liquid pipe communicated with the washing pipe and a washing pump arranged on the washing pipe.
Preferably, an inner cavity is arranged in the rotary drum, and the water outlet, the vacuum barrel and the flushing pipe are all communicated with the inner cavity.
Preferably, the two straight sides of the ceramic filter plate are provided with mutually matched meshing grooves.
Preferably, the engagement groove includes a groove portion and a catching portion of the groove portion that can be fitted.
Preferably, the base plate comprises two microporous ceramic plates, and the two microporous ceramic plates are buckled together and form the cavity therebetween.
Preferably, the upper end face of frame is provided with along annular filter's radial extension's card strip, be provided with on the mount pad with card strip assorted draw-in groove.
Preferably, the mounting seat and the frame are provided with threaded holes at opposite positions, and the threaded holes are vertically arranged and can be connected by screws.
Preferably, the ultrasonic transducer is connected to the vertical rod through a gear rack structure.
Preferably, a position sensor is arranged on the vertical rod.
Preferably, a filter is arranged on the flushing pipe.
The technical scheme provided by the application can comprise the following beneficial effects:
the filter plate is characterized in that a plurality of outer grooves are uniformly distributed on two plate surfaces of the ceramic filter plate, when a filter cake is scraped by a scraper plate, material particles gathered in the outer grooves can be retained, a filter layer is formed on the two plate surfaces of the ceramic filter plate, the filter layer has magnetism due to the action of a permanent magnet sheet, and the filter layer can effectively prevent magnetic microparticles from permeating, so that a microporous membrane on the ceramic filter plate can be prevented from being blocked, and meanwhile, when attachments on the outer grooves are thickened, the filter plate is also cleaned regularly;
the cross sectional area of the micro-membrane hole is gradually reduced from outside to inside, so that material particles can be screened, fine material particles are prevented from being clamped in the micro-membrane hole, and the material particles are favorably washed out during back washing;
the middle part of the edge part of the scraping plate is provided with a bend which is matched with the arc-shaped recess so that the edge part of the scraping plate is tightly abutted against the ceramic filter plate, thus the scraping effect of the scraping plate can be improved, the ceramic filter plate is prevented from being blocked, and meanwhile, the forming of a filter cake is facilitated;
through the position of adjusting ultrasonic transducer from top to bottom, when needs wash, can realize that multi-angle multiposition washs ceramic filter, reduce the dead angle blind area, guarantee abluent quality and effect, when need not wasing, can make ultrasonic transducer break away from the ground paste liquid level, effectively prolong ultrasonic transducer's life, reduce the fault rate, also make things convenient for ultrasonic transducer's troubleshooting simultaneously.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
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 these drawings without creative efforts.
FIG. 1 is a block diagram of the present fly ash suction filtration system according to some exemplary embodiments;
FIG. 2 is a front view of a ceramic filter plate according to some exemplary embodiments;
FIG. 3 is a side view of a ceramic filter plate according to some exemplary embodiments;
fig. 4 is a sectional view taken at a position a-a in fig. 2.
In the figure: 1. a ceramic filter plate; 2. a trough; 3. a scraping plate; 4. a mounting seat; 5. an ultrasonic transducer; 6. a vertical rod; 7. a vacuum drum; 8. a vacuum pump; 9. a flush pump; 10. a filter; 11. a water outlet; 12. an outer tank; 13. an arc-shaped recess; 14. an engagement groove; 14a, a groove part; 14b, a locking part.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1 to 4, the present embodiment provides a fly ash suction filtration system, which includes a material tank 2, a ceramic filter, a feeding pipe, a discharging pipe, an ultrasonic cleaning device, a negative pressure device and a back washing device, wherein the material tank 2 is used for containing slurry; the ceramic filter is positioned in the feed tank 2 and is used for sucking and filtering the slurry; the feed pipe and the discharge pipe are communicated with the material groove 2 and used for controlling input and output of slurry; the ultrasonic cleaning device is positioned in the feed tank 2 and is used for cleaning the ceramic filter.
The ceramic filter comprises a frame, a rotary drum and a plurality of annular filtering devices, wherein the annular filtering devices are arranged along the axial direction of the rotary drum, each annular filtering device comprises a plurality of ceramic filtering plates 1, and the ceramic filtering plates 1 are arranged in a surrounding manner along the circumferential direction of the rotary drum to form the annular filtering devices; the rotary drum is rotationally arranged on the frame through a motor and drives the annular filtering device to rotate, and then the slurry is sucked and filtered through the ceramic filtering plate 1. Moreover, the annular filter device rotates with the drum and forms, in the direction of rotation, a vacuum zone, a drying zone, a discharge zone and a backwash zone.
Both sides of annular filter device are provided with scrapes flitch 3, it connects in the frame to scrape flitch 3, will scrape flitch 3 simultaneously and fix in the district of unloading, specifically speaking, mount pad 4 is the U type, so that annular filter device can pass the middle part of mount pad 4, moreover, mount pad 4 detachably fixes the upper end edge in the frame, here, mount pad 4 and frame can be through screwed connection, also can be through buckle structural connection, when overhauing, through dismouting mount pad 4 alright scrape flitch 3 and demolish, and can not lead to the fact the damage to ceramic filter 1, and is convenient and reliable.
Specifically, the mounting seat 4 is relatively provided with two scraping plates 3, the middle parts of the scraping plates 3 are hinged to the mounting seat 4, and a compression spring is arranged between the lower parts of the scraping plates 3 and the mounting seat 4 so that the cutting parts of the scraping plates 3 are abutted to the ceramic filter plate 1. It can be understood that, two scraping flitches 3 all articulate in the outside of mount pad 4, and compression spring also is located the outside of mount pad 4 simultaneously to prevent to hinder annular filter device and pass through, under compression spring's effect, scraping flitch 3 and can hug closely in 1 both sides of ceramic filter, thereby make scraping flitch 3 scrape the material effect better, what strike off is cleaner, the increase of production greatly.
The ceramic filter plate 1 comprises a fan-shaped substrate, wherein a cavity is arranged in the substrate to form negative pressure inside the substrate; the medial surface of base plate is provided with the delivery port 11 that link up with the cavity, and wherein, delivery port 11 is provided with two relatively and be provided with the permanent magnet piece between two delivery ports 11, forms the magnetic field on ceramic filter 1's surface, and the magnetic suspension is magnetized, forms the magnetic agglomeration in delivery port 11's near for free tiny particle sharply reduces, has prevented that the micropore from being blockked up by tiny particle. Moreover, two face evenly distributed of ceramic filter 1 have a plurality of outer grooves 12, when scraping the filter cake with scraping flitch 3, the material granule that gathers in outer groove 12 can remain to just formed the one deck filter layer on two faces of ceramic filter 1, because the effect of permanent magnet piece makes this filter layer have magnetism, can effectively prevent magnetism microparticle infiltration, thereby can prevent that the microfilm hole on the ceramic filter 1 from blockking up, when the attachment on outer groove 12 thickens simultaneously, also regularly clearance.
Two plate surfaces of the substrate are respectively provided with a micro-membrane hole which is communicated with the cavity, and the diameter of the micro-membrane hole is smaller than the diameter of the material particles and larger than the diameter of water molecules, so that the material particles can be quickly separated from the slurry; and the cross-sectional area of the micro-membrane hole is gradually reduced from outside to inside, so that material particles can be screened, fine material particles are prevented from being clamped in the micro-membrane hole, and the material particles are favorably washed out during backwashing.
The middle parts of two plate surfaces of the ceramic filter plate 1 are provided with arc-shaped recesses 13, and the arc-shaped recesses 13 on the annular filter device are positioned on the same circumference, wherein the arc-shaped recesses 13 and the outer groove 12 are not influenced with each other, the arc-shaped recesses 13 can be processed firstly when processing, and then the outer groove 12 is processed, wherein the arc-shaped recesses 13 are formed by gradually recessing the inner side surface and the outer side surface of the ceramic filter plate 1 along the direction close to the middle part. Correspondingly, the middle part of the cutting part of the scraping plate 3 is provided with a bend which is matched with the arc-shaped recess 13, so that the cutting part of the scraping plate 3 is tightly offset with the ceramic filter plate 1, thus the scraping effect of the scraping plate 3 can be improved, the ceramic filter plate 1 is prevented from being blocked, and meanwhile, the forming of a filter cake is facilitated.
Ultrasonic cleaning device is including lieing in montant 6 between two liang of adjacent annular filter equipment, fix ultrasonic transducer 5 on montant 6, and ultrasonic transducer 5 can set up on montant 6 with shifting, wherein, ultrasonic transducer 5 can pass through motor drive, also can pass through the pneumatic cylinder drive, through the position of adjusting ultrasonic transducer 5 from top to bottom, when needs wash, can realize that multi-angle multiposition washs ceramic filter 1, reduce the dead angle blind area, guarantee abluent quality and effect, when need not wash, can make ultrasonic transducer 5 break away from the ground paste liquid level, effectively prolong ultrasonic transducer 5's life, reduce the fault rate, also make things convenient for ultrasonic transducer 5's troubleshooting simultaneously.
The negative pressure device comprises a vacuum barrel 7 communicated with the water outlet 11 and a vacuum pump 8 communicated with the vacuum barrel 7, and negative pressure is formed in the vacuum barrel 7 through the vacuum pump 8, so that moisture in the slurry is collected in the vacuum barrel 7; the back washing device comprises a washing pipe, a cleaning liquid pipe and a washing pump, wherein the washing pipe is communicated between the water outlet 11 and the lower port of the vacuum barrel 7 so as to back wash the ceramic filter plate 1 by utilizing the moisture in the vacuum barrel 7; the cleaning liquid pipe is communicated with the flushing pipe, the cleaning liquid can be input into the flushing pipe to be mixed, and the flushing pump is arranged in the flushing pipe and provides power for backwashing.
Of course, the flushing pipe can be provided with a filter 10 for filtering the water absorbed and filtered out in the vacuum barrel 7, so as to avoid the blockage of material particles.
So set up, this fly ash suction filtration system solves current ceramic filter and blocks up easily, and the cleaning frequency is high, the poor problem of cleaning performance.
In this embodiment, be provided with the inner chamber in the rotary drum, delivery port 11, vacuum bucket 7 and flushing pipe all communicate with the inner chamber, and when using, form the negative pressure in the vacuum bucket 7 to make the interior intracavity form the negative pressure, and then form the negative pressure in the cavity with ceramic filter 1, because the effect of the inner chamber in the rotary drum, can communicate the cavity of a plurality of ceramic filter 1, guarantee atmospheric pressure balance, be favorable to promoting filter effect and stability.
Wherein, the two straight sides of the ceramic filter plate 1 are provided with the meshing grooves 14 which are matched with each other, when the ceramic filter plate 1 is installed, the ceramic filter plate can be fixed with the rotary drum, and the adjacent ceramic filter plates 1 can be connected, thereby being beneficial to ensuring the installation stability.
Further, the engaging grooves 14 include a groove portion 14a and a catching portion 14b capable of being caught in the groove portion 14a, and it is understood that the engaging grooves 14 at both sides of the ceramic filter plate 1 are opposite in structure and can be caught in each other, which is advantageous for further improving the stability.
Preferably, the substrate comprises two microporous ceramic sheets, and the two microporous ceramic sheets are buckled together to form a cavity between the two microporous ceramic sheets, so that the processing and forming are convenient, and the installation and fixation of the permanent magnet sheets are facilitated.
In some embodiments, the upper end face of the rack is provided with a clamping strip, the mounting seat 4 is provided with a clamping groove matched with the clamping strip, and the clamping strip and the clamping groove extend along the radial direction of the annular filtering device, so that the clamping strip can slide along the direction of the clamping strip during mounting, and the mounting is convenient and fast.
Wherein, relative position is provided with the screw hole in mount pad 4 and the frame, and the screw hole is vertical to be set up and can supply screwed connection, and after the position of draw-in groove and card strip is corresponding, through screw fixed connection, can promote the steadiness of mount pad 4, and the vertical setting of screw hole moreover can be vertical with the extending direction of card strip, is favorable to the instrument dismouting.
In some preferred schemes, the ultrasonic transducer 5 is connected to the vertical rod 6 through a gear-rack structure, specifically, the vertical rod 6 is provided with a rack structure, the ultrasonic transducer 5 is provided with a gear structure, the gear structure and the rack structure are meshed with each other and drive a gear to rotate along a rack through a motor, and then the up-and-down displacement of the ultrasonic transducer 5 is realized, which is convenient and reliable.
Of course, in order to facilitate the determination of the position of the ultrasonic transducer 5 with respect to the liquid surface of the slurry, a position sensor is provided on the vertical rod 6.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A fly ash suction filtration system is characterized by comprising a feed tank (2) for containing slurry, a ceramic filter positioned in the feed tank (2), a feed pipe and a discharge pipe which are communicated with the feed tank (2), an ultrasonic cleaning device positioned in the feed tank (2), a negative pressure device and a back washing device which are communicated with the ceramic filter;
the ceramic filter comprises a frame, a rotary drum which is rotatably arranged on the frame, and a plurality of annular filtering devices which are arranged along the axial direction of the rotary drum, wherein each annular filtering device comprises a plurality of ceramic filtering plates (1) and is arranged along the circumferential direction of the rotary drum in a surrounding manner, and the annular filtering devices rotate along with the rotary drum and form a vacuum area, a drying area, a discharging area and a backwashing area along the rotating direction; scraping plates (3) are arranged on two sides of each annular filtering device, the scraping plates (3) are located in an unloading area and are connected to the rack through mounting seats (4), the mounting seats (4) are U-shaped and are detachably fixed to the upper end edge of the rack, two scraping plates (3) are oppositely arranged on the mounting seats (4), the middle parts of the scraping plates (3) are hinged to the mounting seats (4), and compression springs are arranged between the lower parts of the scraping plates (3) and the mounting seats (4) so that the cutting parts of the scraping plates (3) are abutted to the ceramic filtering plates (1);
the ceramic filter plate (1) comprises a fan-shaped substrate, a cavity positioned in the substrate, water outlets (11) positioned on the inner side surface of the substrate and communicated with the cavity, and micro-membrane holes positioned on two plate surfaces of the substrate and communicated with the cavity, wherein two water outlets (11) are oppositely arranged, a permanent magnet sheet is arranged between the two water outlets (11), a plurality of outer grooves (12) are uniformly distributed on the two plate surfaces of the ceramic filter plate (1), and the cross-sectional area of the micro-membrane holes is gradually reduced from outside to inside; arc-shaped recesses (13) are formed in the middle of the two plate surfaces of the ceramic filter plate (1), the arc-shaped recesses (13) on the annular filter device are located on the same circumference, and bends matched with the arc-shaped recesses (13) are formed in the middle of the cutting part of the scraping plate (3);
the ultrasonic cleaning device comprises a vertical rod (6) positioned between every two adjacent annular filtering devices and an ultrasonic transducer (5) fixed on the vertical rod (6), and the ultrasonic transducer (5) is arranged on the vertical rod (6) in a displaceable manner;
the negative pressure device comprises a vacuum barrel (7) communicated with the water outlet (11) and a vacuum pump (8) communicated with the vacuum barrel (7), and the back washing device comprises a washing pipe communicated between the water outlet (11) and the lower port of the vacuum barrel (7), a cleaning liquid pipe communicated with the washing pipe and a washing pump arranged on the washing pipe.
2. The fly ash suction filtration system according to claim 1, wherein an inner cavity is arranged in the rotary drum, and the water outlet (11), the vacuum barrel (7) and the flushing pipe are all communicated with the inner cavity.
3. The fly ash suction filtration system according to claim 1, wherein the straight sides of the ceramic filter plate (1) are provided with mutually matching engaging grooves (14).
4. The fly ash suction filtration system according to claim 3, wherein the engaging groove (14) comprises a recessed portion (14a) and a catching portion (14b) of the recessed portion (14a) capable of being fitted.
5. The fly ash suction filtration system of claim 4, wherein the base plate comprises two microporous ceramic sheets that snap together and form the cavity therebetween.
6. The fly ash suction filtration system according to claim 1, wherein a clamping strip extending in the radial direction of the annular filter device is arranged on the upper end surface of the frame, and a clamping groove matched with the clamping strip is arranged on the mounting seat (4).
7. The fly ash suction filtration system according to claim 6, wherein the mounting seat (4) and the frame are provided with threaded holes at opposite positions, and the threaded holes are vertically arranged and can be connected by screws.
8. The fly ash suction filtration system according to claim 1, wherein the ultrasonic transducer (5) is connected to the vertical rod (6) through a rack and pinion structure.
9. The fly ash suction filtration system according to claim 1, wherein a position sensor is arranged on the vertical rod (6).
10. The fly ash suction filtration system of claim 1, wherein a filter (10) is disposed on the flush tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020075843.9U CN211562134U (en) | 2020-01-14 | 2020-01-14 | Fly ash suction filtration system |
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| CN202020075843.9U CN211562134U (en) | 2020-01-14 | 2020-01-14 | Fly ash suction filtration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510365A (en) * | 2023-06-21 | 2023-08-01 | 潍坊优特检测服务有限公司 | Industrial waste water aftertreatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510365A (en) * | 2023-06-21 | 2023-08-01 | 潍坊优特检测服务有限公司 | Industrial waste water aftertreatment device |
| CN116510365B (en) * | 2023-06-21 | 2023-09-05 | 潍坊优特检测服务有限公司 | Industrial waste water aftertreatment device |
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