CN110575691A - Unloading device of filter press - Google Patents
Unloading device of filter press Download PDFInfo
- Publication number
- CN110575691A CN110575691A CN201910942498.6A CN201910942498A CN110575691A CN 110575691 A CN110575691 A CN 110575691A CN 201910942498 A CN201910942498 A CN 201910942498A CN 110575691 A CN110575691 A CN 110575691A
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- China
- Prior art keywords
- filter
- fixed
- filter press
- plate
- drive gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/32—Removal of the filter cakes
- B01D25/38—Removal of the filter cakes by moving parts, e.g. scrapers, contacting stationary filter elements sprayers
Abstract
The invention discloses a discharging device of a filter press, which comprises a filter press body, wherein a plurality of filter plates are arranged in the filter press body, threaded track rods are arranged on two sides of the top of the filter press body, and supporting plates are rotatably connected with two ends of each threaded track rod through bearings, when discharging mud cakes of the filter press, the mud cakes between the adjacent filter plates fall down under the action of gravity, when partial residual mud cakes cannot be normally separated, a driving piece drives a scraping device to move to a position corresponding to the filter plate, and a lifting arm lifts to drive a brush plate to scrape filter cloth on the filter plate, so that the residual mud cakes or mud residues on the filter cloth fall down, thereby avoiding the damage caused by careless puncture of the filter cloth by manually discharging the mud cakes through tools, avoiding the problems that the filter cloth is carelessly punctured by manually discharging the mud cakes, the residual residues on the filter cloth are hardened, and the filter cloth is easy to damage when being put into operation again, thereby cleaning the mud cakes more cleanly and thoroughly.
Description
Technical Field
the invention relates to the technical field of filter press unloading, in particular to a filter press unloading device.
Background
The filter press is widely applied to industries such as chemical industry, pharmacy, metallurgy, dye, food, brewing, ceramics, environmental protection and the like, realizes important equipment for separating solid phase from liquid phase, and structurally comprises a support provided with a head plate, a pressure plate, a plurality of filter plates and a tail plate, and a filter press taking pressure as a filtering driving force, wherein the filter press is operated intermittently and comprises a plate frame filter press, a box type filter press and a vertical type filter press.
The traditional plate-and-frame filter press is composed of a group of filter chambers (the two sides of the filter plates are recessed, every two filter plates are combined into a box-shaped filter chamber), which are formed by alternately arranged filter plates and filter frames, wherein pocks and bosses are arranged on the surfaces of the filter plates to support filter cloth, through holes are arranged on the centers and corners of the filter plates, and the through holes form complete channels after assembly, suspension, washing water and filtrate can be introduced, the two sides of the filter plates are respectively supported on a bearing plate by a handle, a plurality of filter plates are pressed by a pressing device, and the filter cloth among the filter plates plays the role of a sealing gasket. The suspension is pressed into the filter chamber by a feed pump to form a filter material on the filter cloth until the filter chamber is filled with the suspension. The filtrate passes through the filter cloth and flows to the corner channel of the plate frame along the concave groove of the filter plate, and is discharged in a centralized way, after the filtration is finished, the filter press is opened to remove mud cakes (the mud cakes are stored between two adjacent filter plates), the filter cloth is cleaned, the plate is compressed again, and the next working cycle is started.
At present, when mud cakes are unloaded, the automatic dropping of the mud cakes from filter cloth mainly depends on the gravity action of the mud cakes after dehydration, so that the mud cakes are difficult to naturally drop from the filter cloth on a filter plate of a filter press or the unloading is incomplete, the condition that the mud cakes adhered on the filter cloth drop by means of manual force needs to be added, but the labor intensity of personnel is increased when the mud cakes are manually unloaded by means of tools, the filter cloth is easy to puncture, the mud cakes are difficult to be completely clear, the residue is hardened, and the filter cloth is easy to damage when the filter cloth is put into operation again.
disclosure of Invention
The invention aims to provide a filter press unloading device which can completely and effectively separate filter press mud cakes so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pressure filter discharge apparatus, includes the pressure filter body, this internal a plurality of filter plates of installation of pressure filter, pressure filter body top both sides all are equipped with screw thread track pole, and screw thread track pole both ends are rotated through the bearing and are connected with the backup plate, install the scraping device who is used for the remaining mud cake clearance of filter plate on the screw thread track pole, the backup plate is fixed with pressure filter body top frame, and fixes the driving piece that is used for scraping device position control on the backup plate, rotates through the driving piece, provides power, drives scraping device and removes to the realization is to scraping off of remaining mud cake on the different filter plates.
Preferably, scraping device includes the movable plate, movable plate both ends and two screw thread track pole threaded connection, and the movable plate both ends are connected with the lifing arm, the lifing arm bottom is fixed with scrapes the piece, movable plate top fixed mounting has adjusting motor, and the adjusting motor output is fixed with drive gear, drive gear is equipped with threely, and fixes respectively in the adjusting motor output and two lifing arm bottom outsides, and is three the drive gear outside all overlaps and has the regulation cogged belt, and connects through adjusting the cogged belt transmission, utilizes adjusting motor to rotate to the drive lifing arm goes up and down, realizes the removal to scraping a position, satisfies the holistic scraping of filter plate.
Preferably, the lifting arm comprises a rotating outer barrel, the outer side of the bottom end of the rotating outer barrel is fixed to the transmission gear and is rotatably connected with the moving plate through a bearing, a lifting column is inserted into threads at the bottom of the rotating outer barrel and is fixed to the scraping part through the lifting column, the rotating outer barrel rotates to drive the inner lifting column to move, and therefore the lifting column drives the scraping part to move.
Preferably, the driving piece includes backup pad and drive gear, the backup pad both ends are inboard fixed with two backup pads, and install driving motor in the backup pad, drive gear is equipped with threely, and three drive gear fixes respectively in driving motor output and two screw thread track pole outer ends, and is three the drive gear outside cover has the drive cog belt to connect through the drive cog belt transmission, provide power through the driving piece, drive scraping device and remove, thereby satisfy the brush of scraping to different filter plates.
Preferably, strike off the piece including set casing and elastic component, set casing top both ends are fixed with two lift capital portions respectively, and the set casing outside is fixed with the U template, the equidistance is fixed with a plurality of electric putter on the U template, and a plurality of electric putter outputs are fixed with the push pedal to it is fixed with elastic component through the push pedal, there is the brush board elastic component outer end through the mounting screw, scrapes the brush through the removal of scraping off the piece to the filter plate.
preferably, the elastic component is equipped with a plurality ofly, and the equidistance is fixed respectively in the push pedal outside, the elastic component includes telescopic link and spring, the telescopic link both ends are fixed with push pedal and brush board respectively, and the spring housing is in the telescopic link outside, the telescopic link both ends are fixed with push pedal and brush board respectively, provide flexible elasticity through the elastic component, satisfy the brush of scraping of filter plate unevenness department.
Preferably, the bottom end of the movable plate is fixed with a second electric push rod, and is fixed with a limiting plate through the second electric push rod, the limiting plate is sleeved outside two lifting columns, the outer sides of two ends of the limiting plate are respectively fixed with an L-shaped limiting hook, two ends of the tops of a plurality of filter plates are respectively fixed with a limiting column, and the filter plates are not moved and rocked in the hanging and brushing process through the limiting column clamping at the tops of the L-shaped limiting hook fish filter plates.
Preferably, the length of the lifting column is larger than that of the filter plate, so that the brush plate can scrape and brush the whole filter plate.
Compared with the prior art, the invention has the beneficial effects that:
when the filter press mud cake is unloaded, the adjacent filter plates are opened, so that the mud cake between the adjacent filter plates falls under the action of gravity, when partial residual mud cake cannot be normally separated, the driving piece drives the scraping device to move to the position corresponding to the filter plate, and the lifting arm lifts to drive the brush plate to scrape and brush the filter cloth on the filter plate, so that the residual mud cake or mud residue on the filter cloth falls off, the damage caused by the fact that the filter cloth is carelessly punctured by manual unloading with the aid of a tool is avoided, the problem that the residual residue on the filter cloth is hardened and easily damaged when the filter cloth is put into operation again is solved, and the mud cake is cleaned more completely.
Drawings
FIG. 1 is a schematic sectional view of the present invention in a front view;
FIG. 2 is a side view of the scraping device of the present invention;
FIG. 3 is a schematic view of the driving member of the present invention in partial cross-section in connection with a threaded rail rod;
Fig. 4 is a schematic top view, partially in section, of a scraper element according to the present invention;
FIG. 5 is a schematic view of the connection between the L-shaped position-limiting hook and the position-limiting post 9 according to the present invention;
Fig. 6 is an enlarged view of a portion a in fig. 1.
in the figure: 1-a filter press body; 2-a filter plate; 3-a threaded track rod; 4-a support plate; 5-a scraping device; 6-a driving member; 7-moving the plate; 8-L-shaped limiting hooks; 9-a limiting column; 10-a lifting arm; 11-a scraping element; 12-adjusting the motor; 13-a transmission gear; 14-adjusting the toothed belt; 15-rotating the outer cylinder; 16-a lifting column; 17-a support plate; 18-a drive gear; 19-a drive motor; 20-driving a toothed belt; 21-a stationary shell; 22-a spring; 23-U-shaped plates; 24-a first electric push rod; 25-push plate; 26-brushing the board; 27-a telescopic rod; 28-a spring; 29-a second electric push rod; 30-limiting plate.
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.
Referring to fig. 1-6, a filter press unloading device shown in the figure comprises a filter press body 1, wherein a plurality of filter plates 2 are installed in the filter press body 1, both sides of the top of the filter press body 1 are respectively provided with a threaded rail rod 3, both ends of the threaded rail rod 3 can be rotatably connected with a supporting plate 4 through bearings, a scraping device 5 for cleaning residual mud cakes of the filter plates 2 is installed on the threaded rail rod 3, when the two threaded rail rods 3 are driven to synchronously rotate, the scraping device 5 can stably move on the threaded rail rod 3, the supporting plate 4 is fixed with an outer frame at the top of the filter press body 1, a driving piece 6 for adjusting the position of the scraping device 5 is fixed on the supporting plate 4, and the driving piece 6 provides power for rotating the threaded rail rod 3.
Scraping device 5 includes movable plate 7, movable plate 7 both ends and two screw thread track pole 3 threaded connection, and movable plate 7 both ends are connected with lift arm 10, lift arm 10 bottom is fixed with scrapes piece 11, movable plate 7 top fixed mounting has adjusting motor 12, and when the operation, through adjusting motor 12 rotation, the fixed drive gear 13 of output end rotates with it of area to utilize the regulation profile of tooth area 14 of drive gear 13 outside noose to drive other two drive gear 13 rotations, make two lift arms 10 carry out the lift adjustment, thereby realize adjusting the removal to the piece 11 that scrapes of bottom.
The lifting arm 10 comprises a rotary outer cylinder 15, the specific lifting arm 10 rotates through a transmission gear 13 fixed on the outer side when being adjusted, the rotary outer cylinder 15 is driven to rotate, and therefore a lifting column 16 in threaded insertion connection with the bottom moves downwards, and then a scraping part 11 is driven to move, the lifting arm 10 is used for scraping the scraping part 11 to move outside the filter cloth, and scraping of mud cakes outside the filter cloth is met.
Drive piece 6 includes backup pad 17 and drive gear 18, backup pad 17 both ends are inboard fixed with two backup pads 4, and install driving motor 19 in the backup pad 17, drive gear 18 is equipped with threely, and three drive gear 18 fixes respectively in the 3 outer ends of driving motor 19 output and two screw thread track poles, and is three drive gear 18 outside cover has drive toothed belt 20 to connect through the transmission of drive toothed belt 20, the main function of drive piece 6 is to drive two screw thread track poles 3 synchronous rotations, and then makes movable plate 7 remove on two screw thread track poles 3, satisfies the cleanness to different positions filter plate 2 filter cloth.
The scraping part 11 comprises a fixed shell 21 and an elastic part 22, two ends of the top of the fixed shell 21 are respectively fixed to the bottoms of the two lifting columns 16, a U-shaped plate 23 is fixed to the outer side of the fixed shell 21, a plurality of first electric push rods 24 are equidistantly fixed on the U-shaped plate 23, specifically, the first electric push rods 24 are set, cleaning of filter residues in the deep part of filter cloth is mainly achieved through stretching of the first electric push rods 24, push plates 25 are fixed to output ends of the first electric push rods 24 and fixed to the elastic part 22 through the push plates 25, the elastic part 22 can enable the brush plates 26 to be tightly attached to the filter cloth in a scraping process, residue of the filter residues is avoided, the brush plates 26 are installed at the outer ends of the elastic part 22 through screws, and the brush plates 26 are more convenient to replace and clean and convenient to use for multiple times;
Specifically, elastic component 22 is equipped with a plurality ofly, and the equidistance is fixed respectively in the push pedal 25 outside, elastic component 22 includes telescopic link 27 and spring 28, and elastic deformation through spring 28 produces elasticity, promotes the contact of brush board 26 with the filter cloth, satisfies the scraping of filter cloth on the unsmooth filter plate 2, makes it inseparabler with the filter cloth laminating, and the scraping is cleaner.
The bottom end of the movable plate 7 is fixed with a second electric push rod 29, a limiting plate 30 is fixed through the second electric push rod 29, the limiting plate 30 is sleeved outside the two lifting columns 16, the outer sides of two ends of the limiting plate 30 are respectively fixed with an L-shaped limiting hook 8, two ends of the top of each of the plurality of filter plates 2 are respectively fixed with a limiting column 9, the L-shaped limiting hooks 8 are connected with the limiting columns 9 in a clamped mode, the filter cloth is more stable in the scraping process and cannot move and shake.
In the scheme, after filter pressing of the filter press is finished, mud cakes in the filter plates 2 need to be unloaded, the mud cakes between the filter plates 2 fall under the action of gravity by opening the adjacent filter plates 2, when partial residual mud cakes can not be normally separated, the driving motor 19 rotates to drive the driving gear 18 to rotate, the two threaded track rods 3 are driven to synchronously rotate under the action of the driving cog belt 20, so that the moving plate 7 moves to the position of the filter plate 2 which can not normally unload, the limiting plate 30 is driven to descend by stretching of the second electric push rod 29 and is clamped with the limiting column 9 by the L-shaped limiting hook 8, the position of the filter plate 2 is limited, then the driving gear 13 rotates by rotating the adjusting motor 12, so that the lifting column 16 is lifted under the rotation of the rotating outer cylinder 15, and simultaneously, the stretching of the first electric push rod 24 and the elastic deformation of the spring 28, make brush board 26 can effectually clear away the residue on the filter cloth, avoid remaining the residue sclerosis on the filter cloth, the easy damaged problem of filter cloth appears when putting into operation once more, and then makes the clearance of mud cake cleaner thoroughly, after clean, strikes off a 11 through the drive and rises to and the rising of second electric putter 29, make scraping device 5 resume the normal position, and begin to carry out the cleanness of next filter cloth.
In the scheme, the type of the driving motor 19 is preferably Y80M1-2, the type of the adjusting motor 12 is preferably Y80M2-2, the type of the first electric push rod 24 is preferably ANT-35, and the type of the second electric push rod 29 is preferably ANT-26.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a pressure filter discharge apparatus, includes pressure filter body (1), install a plurality of filter plates (2), its characterized in that in pressure filter body (1): the filter press comprises a filter press body (1), wherein thread track rods (3) are arranged on two sides of the top of the filter press body (1), two ends of each thread track rod (3) are connected with supporting plates (4) in a rotating mode through bearings, scraping devices (5) used for cleaning residual mud cakes of filter plates (2) are installed on the thread track rods (3), the supporting plates (4) are fixed with an outer frame at the top of the filter press body (1), and driving pieces (6) used for adjusting the positions of the scraping devices (5) are fixed on the supporting plates (4).
2. The filter press unloading apparatus of claim 1, wherein: scraping device (5) are including movable plate (7), movable plate (7) both ends and two screw thread track pole (3) threaded connection, and movable plate (7) both ends are connected with lifing arm (10), lifing arm (10) bottom is fixed with scrapes piece (11), movable plate (7) top fixed mounting has adjusting motor (12), and adjusting motor (12) output end is fixed with drive gear (13), drive gear (13) are equipped with threely, and fix respectively in adjusting motor (12) output and two lifing arm (10) bottom outside, and are three drive gear (13) outside all overlaps and has regulation profile of tooth area (14), and connects through regulation profile of tooth area (14) transmission.
3. The filter press unloading apparatus of claim 2, wherein: the lifting arm (10) comprises a rotating outer cylinder (15), the outer side of the bottom end of the rotating outer cylinder (15) is fixed with the transmission gear (13) and is rotatably connected with the moving plate (7) through a bearing, and a lifting column (16) is inserted into the bottom of the rotating outer cylinder (15) in a threaded manner and is fixed with the scraping piece (11) through the lifting column (16).
4. The filter press unloading apparatus of claim 1, wherein: driving piece (6) are including backup pad (17) and drive gear (18), backup pad (17) both ends are fixed with two backup pad (4) inboards, and install driving motor (19) on backup pad (17), drive gear (18) are equipped with threely, and three drive gear (18) are fixed respectively in driving motor (19) output and two screw thread track pole (3) outer ends, and are three drive gear (18) outside cover has drive profile of tooth area (20) to connect through drive profile of tooth area (20) transmission.
5. the filter press unloading apparatus of claim 3, wherein: scraping off piece (11) including set casing (21) and elastic component (22), set casing (21) top both ends are fixed with two lift post (16) bottoms respectively, and set casing (21) outside is fixed with U template (23), U template (23) equidistance is fixed with a plurality of electric putter (24), and a plurality of electric putter (24) output end is fixed with push pedal (25) to it is fixed with elastic component (22) through push pedal (25), elastic component (22) outer end has brush board (26) through the mounting screw.
6. The filter press unloading apparatus of claim 5, wherein: elasticity spare (22) are equipped with a plurality ofly, and the equidistance is fixed respectively in push pedal (25) outside, elasticity spare (22) include telescopic link (27) and spring (28), telescopic link (27) both ends are fixed with push pedal (25) and brush board (26) respectively, and spring (28) cover is in telescopic link (27) outside, telescopic link (27) both ends are fixed with push pedal (25) and brush board (26) respectively.
7. The filter press unloading apparatus of claim 2, wherein: the movable plate (7) bottom mounting has second electric putter (29), and is fixed with limiting plate (30) through second electric putter (29), limiting plate (30) cover is in two lift post (16) outsides, limiting plate (30) both ends outside all is fixed with L type spacing hook (8), and a plurality of filter plate (2) top both ends all are fixed with spacing post (9).
8. The filter press unloading apparatus of claim 5, wherein: the length of the lifting column (16) is greater than that of the filter plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942498.6A CN110575691A (en) | 2019-09-30 | 2019-09-30 | Unloading device of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942498.6A CN110575691A (en) | 2019-09-30 | 2019-09-30 | Unloading device of filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110575691A true CN110575691A (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910942498.6A Pending CN110575691A (en) | 2019-09-30 | 2019-09-30 | Unloading device of filter press |
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| CN (1) | CN110575691A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632414A (en) * | 2020-06-10 | 2020-09-08 | 王志敏 | Diaphragm plate structure for mud-water separation treatment |
| CN112403048A (en) * | 2020-10-10 | 2021-02-26 | 安徽双发华德环保科技有限公司 | Efficient sewage quick-drying filter press and using method thereof |
| CN112915602A (en) * | 2021-02-06 | 2021-06-08 | 马骁 | Filter plate conveying device for filter pressing equipment |
| CN113209677A (en) * | 2021-05-10 | 2021-08-06 | 吴玉煌 | Convenient type water proof coating filter-pressing equipment |
| CN113413648A (en) * | 2021-08-25 | 2021-09-21 | 江苏莎数自动化设备有限公司 | Metal heat treatment sewage treatment system |
| CN113429192A (en) * | 2021-06-29 | 2021-09-24 | 厦门欣意盛新材料科技有限公司 | Method for preparing ball clay by resource utilization of residue soil of urban building engineering |
| WO2021223258A1 (en) * | 2020-05-07 | 2021-11-11 | 南京山河环境科技有限公司 | Filter press apparatus for sludge dewatering, and method for operation thereof |
| CN114291998A (en) * | 2022-01-14 | 2022-04-08 | 中国科学院深圳先进技术研究院 | Automatic equipment for removing mud cake of filter press |
| CN115445262A (en) * | 2022-09-20 | 2022-12-09 | 河津市炬华铝业有限公司 | Alumina liquid filter pressing equipment and method in active alumina production process |
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| WO2021223258A1 (en) * | 2020-05-07 | 2021-11-11 | 南京山河环境科技有限公司 | Filter press apparatus for sludge dewatering, and method for operation thereof |
| CN111632414B (en) * | 2020-06-10 | 2021-08-03 | 王志敏 | Diaphragm plate structure for mud-water separation treatment |
| CN111632414A (en) * | 2020-06-10 | 2020-09-08 | 王志敏 | Diaphragm plate structure for mud-water separation treatment |
| CN112403048A (en) * | 2020-10-10 | 2021-02-26 | 安徽双发华德环保科技有限公司 | Efficient sewage quick-drying filter press and using method thereof |
| CN112403048B (en) * | 2020-10-10 | 2023-09-26 | 安徽双发华德环保科技有限公司 | Efficient sewage quick-drying filter press and application method thereof |
| CN112915602A (en) * | 2021-02-06 | 2021-06-08 | 马骁 | Filter plate conveying device for filter pressing equipment |
| CN113209677A (en) * | 2021-05-10 | 2021-08-06 | 吴玉煌 | Convenient type water proof coating filter-pressing equipment |
| CN113429192B (en) * | 2021-06-29 | 2022-09-23 | 厦门欣意盛新材料科技有限公司 | Method for preparing ball clay by resource utilization of residue soil of urban building engineering |
| CN113429192A (en) * | 2021-06-29 | 2021-09-24 | 厦门欣意盛新材料科技有限公司 | Method for preparing ball clay by resource utilization of residue soil of urban building engineering |
| CN113413648B (en) * | 2021-08-25 | 2021-11-16 | 江苏莎数自动化设备有限公司 | Metal heat treatment sewage treatment system |
| CN113413648A (en) * | 2021-08-25 | 2021-09-21 | 江苏莎数自动化设备有限公司 | Metal heat treatment sewage treatment system |
| CN114291998A (en) * | 2022-01-14 | 2022-04-08 | 中国科学院深圳先进技术研究院 | Automatic equipment for removing mud cake of filter press |
| WO2023134400A1 (en) * | 2022-01-14 | 2023-07-20 | 中国科学院深圳先进技术研究院 | Automated device for mud cake removal of filter press |
| CN114291998B (en) * | 2022-01-14 | 2024-01-30 | 中国科学院深圳先进技术研究院 | Automatic equipment for removing mud cake of filter press |
| CN115445262A (en) * | 2022-09-20 | 2022-12-09 | 河津市炬华铝业有限公司 | Alumina liquid filter pressing equipment and method in active alumina production process |
| CN115445262B (en) * | 2022-09-20 | 2024-01-19 | 河津市炬华铝业有限公司 | Alumina liquid filter pressing equipment in activated alumina production process |
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Application publication date: 20191217 |