KR20170047038A - Filter press having cake secession structure - Google Patents

Filter press having cake secession structure Download PDF

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Publication number
KR20170047038A
KR20170047038A KR1020150147425A KR20150147425A KR20170047038A KR 20170047038 A KR20170047038 A KR 20170047038A KR 1020150147425 A KR1020150147425 A KR 1020150147425A KR 20150147425 A KR20150147425 A KR 20150147425A KR 20170047038 A KR20170047038 A KR 20170047038A
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KR
South Korea
Prior art keywords
filter
cake
guide
installation frame
protruding
Prior art date
Application number
KR1020150147425A
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Korean (ko)
Inventor
황명회
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황명회
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Application filed by 황명회 filed Critical 황명회
Priority to KR1020150147425A priority Critical patent/KR20170047038A/en
Publication of KR20170047038A publication Critical patent/KR20170047038A/en

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • 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
    • B01D25/12—Filter presses, i.e. of the plate or plate and frame type
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The present invention relates to a filter press having a cake tear-off structure. The present invention relates to a filter press having a cake tear-off structure, in which a protruding guide is formed on one side or both sides of a filter plate connected by a connecting chain constituting a filtration unit, A cake removing unit having a protruding cam selectively hitting a guide is provided to dehydrate the sludge disposed between the filtering plates facing each other and to separate the filter from the filtering plate, thereby selectively hitting one side or both sides of the filtering plate, It is an object of the present invention to provide a sludge dewatering apparatus and a sludge dewatering apparatus capable of significantly reducing sludge dewatering efficiency using a filter plate.
A filter press having a cake tear-off structure according to the present invention is configured such that a pair of guide rails are fixed to both sides of a first installation frame and a second installation frame with a predetermined distance in the width direction. A filtering unit which is mounted on the guide rail and is connected to the guide rail by a connecting chain so as to be in close contact with and spaced apart from each other by a predetermined distance and a pressure plate fixed to one surface of the filtering plate; A cylinder rod extending through the first installation frame and connected to the center of one surface of the pressure plate of the filtration unit to selectively press or separate the filter plates, and a cylinder rod provided at one side of the first installation frame, A filter press having a cake tear-off structure including a hydraulic cylinder adapted to reciprocate, wherein a filter plate of the filtration unit is mounted on both sides of the guide rail so that both sides thereof can be closely contacted with each other, A protrusion guide protruding outward is formed on the bottom surface of the protrusion guide and an insertion groove is formed on the bottom surface of the protrusion guide for inserting a predetermined length of the upper end of the protrusion guide, A dehydrated cake on the opposite side of the filter plates A rotation shaft is disposed at one side of the guide rail and a protruding cam is protruded at a predetermined interval on the outer surface of the rotation shaft so that the rotation shaft can be guided downward without remaining, And a cake removing unit configured by a drive motor for rotationally driving the motor.

Description

[0001] The present invention relates to a filter press having cake secession structure,

The present invention relates to a filter press having a cake tear-off structure, and more particularly, to a filter press having a cake tear-off structure, and more particularly to a filter press having a plurality of openings formed on one side or both sides of a filter plate, The cake removing unit having the protruding cam selectively hitting the protruding guide is provided to dehydrate the sludge disposed between the filtering plates facing each other and to separate from the filter plate, thereby selectively blowing one side or both sides of the filter plate, The present invention relates to a filter press having a cake tear-off structure capable of preventing the residual of the dehydrated cake on the facing surface and thus significantly increasing the dewatering efficiency of the sludge using the filter plate.

Generally, sewage that is discarded at home or factory is sent to the sewage treatment plant and processed.

The sewage treatment process includes a purification process and a sludge treatment process. In the purification process, the sewage is purified to a range where the self-purification of the river can be activated and discharged to a public water such as a river. In the sludge treatment process, The sludge is treated through processes such as concentration and dehydration.

The dehydrator, which is one of the devices used in the sludge treatment process, separates the filtrate from the sludge and is classified into a belt press, a filter press, a screw press, a centrifugal dehydrator, and an electroosmotic dehydrator according to the operation principle.

Among the devices used in the sludge treatment process, the filter press pressurizes the filtrate sludge provided between the filter plates which are in close contact with each other, separates the filtrate from the sludge, and then separates the sludge cake (filtrate and separated sludge) Is removed from the chamber.

In this filter press, the filtrate separated from the sludge passes through a filter cloth surrounding the filter chamber, and then is discharged to the outside of the filter plate via the surface protrusions of the filter plate. And the sludge cake is removed from the compartment by free fall from the compartment opened by the separation of the filter plates.

Such filter presses include filter cloth movable filter presses and filter cloth fixed filter presses.

In the filter cloth movable filter press, the filter cloth is suspended between the filter plates and is configured to be movable up and down.

In the filter cloth fixed filter press, the filter cloth is fixed to the filter plates.

The filter cloth fixed filter press according to the related art as described above has a filter plate feeding device for separating the filter plates from each other while moving back and forth along the arranging direction of the filter plates at the right and left sides of the filter plate.

At this time, the filter plate conveying device generally includes a first rotating piece and a second rotating piece which are spaced apart from each other in the arranging direction of the filter plate.

When the filter plate conveying device advances (moves in the direction in which the filter plate is closely contacted), the first rotary piece is depressed by the handle of the filter plate to be opened and then protrudes again by the elastic force, It is caught on the handle. When the filter plate conveying device moves backward (moves in the direction of separating the filter plate), the first rotating piece draws and moves the handle of the filtering plate to be opened, and the second rotating piece is depressed by the handle of the already opened filter plates.

Here, the second rotary piece, which has been pressed on the grips of the already opened filter plates, is configured to protrude again by the elastic force when advancing the filter plate transfer device.

According to the filter press to which the filtration station fixed type according to the related art as described above is applied, the sludge can be caked through filtrate discharge, i.e., dehydration treatment, to the sludge after arranging the sludge between the filter plates.

However, in the filter press to which the filter cloth fixed type according to the related art as described above is applied, when the sludge disposed between the opposing filter plates is dehydrated as a cake type and separated from the filter plate, a separate cake desorption structure is not provided There was a problem that a certain amount of the cake remained as the dehydrated sludge residue on the opposite surface of the filter plate.

Furthermore, since a certain amount of cake remains on the opposite surface of the filter plate, there is a problem that the sludge dewatering efficiency of the apparatus is lowered.

Therefore, by applying the cake-removing structure, it is possible to prevent the cake from remaining on the facing surface of the filter plate and to prevent the cake from remaining on the facing surface of the filter plate, thereby increasing the sludge dewatering efficiency of the device. Research and development are required.

Registration of Korea Utility Model No. 0392337 2005.08.02 Registered. Korea Public Patent No. 2012-0030809 Issue Mar. 29, 2012.

In order to solve the above-mentioned problems, the present invention is characterized in that a protruding guide is formed on one side or both sides of a filter plate connected by a connecting chain constituting a filtration unit, and a protrusion guide is selectively struck on one side or both sides of the filtration unit The sludge disposed between the facing filter plates is dewatered into a cake type and separated from the filter plate, the filter plate is selectively struck on one side or both sides to dewater on the opposite side of the filter plate, And it is an object of the present invention to provide a filter press having a cake tear-off structure capable of preventing the residual of the treated cake.

In addition, according to the present invention, the structure of the cake removing unit having the protruding guide of the filter plate constituting the filtration unit and the protruding cam selectively bouncing the protruding guide is used to selectively filter the filter plate, The sludge dewatering efficiency using the filter plate having the protruding guide can be remarkably increased.

The present invention for achieving the above-mentioned objects is as follows. That is, the filter press having a cake tear-off structure according to the present invention includes: an installation frame having a pair of guide rails fixed at a predetermined distance in the width direction between a first installation frame and a second installation frame; A filtering unit which is mounted on the guide rail and is connected to the guide rail by a connecting chain so as to be in close contact with and spaced apart from each other by a predetermined distance and a pressure plate fixed to one surface of the filtering plate; A cylinder rod extending through the first installation frame and connected to the center of one surface of the pressure plate of the filtration unit to selectively press or separate the filter plates, and a cylinder rod provided at one side of the first installation frame, A filter press having a cake tear-off structure including a hydraulic cylinder adapted to reciprocate, wherein a filter plate of the filtration unit is mounted on both sides of the guide rail so that both sides thereof can be closely contacted with each other, A protrusion guide protruding outward is formed on the bottom surface of the protrusion guide and an insertion groove is formed on the bottom surface of the protrusion guide for inserting a predetermined length of the upper end of the protrusion guide, A dehydrated cake on the opposite side of the filter plates A rotation shaft is disposed at one side of the guide rail and a protruding cam is protruded at a predetermined interval on the outer surface of the rotation shaft so that the rotation shaft can be guided downward without remaining, And a cake removing unit configured by a drive motor for rotationally driving the motor.

The protruding cam of the cake removing unit is protruded from the outer surface of the rotating shaft at a predetermined interval so that the bottom surface of the protruding guide of each filter plate can be selectively struck by the protruding cam, The protrusions are formed at predetermined intervals in correspondence with the bottom surfaces of the protrusions for the respective filter plates.

The bottom surface of the protruding guide of each of the filter plates is selectively struck by the protruding cam, and the bottom surface of the protruding guide, which is adjacent in one direction in succession to the filter plate arranged from the first installation frame side to the second installation frame side, Wherein a protruding cam of the cake removing unit is protruded from the outer surface of the rotating shaft at a predetermined interval so as to be selectively struck by the first mounting frame and the second mounting frame, Can be protruded and formed in a spiral shape at regular intervals at positions corresponding to the bottom surfaces of the protrusion guides with respect to the respective filter plates.

The pressure plate may further include guide rollers mounted on the upper surfaces of the guide rails on both sides for conveying guidance.

In addition, it is preferable that the filter unit is fixedly wrapped around the filter cloth on the outer surface of each filter plate.

Further, the filtration unit may be provided in a rectangular type in which the filter plates are elongated in the vertical direction, while the upper and lower ends may be connected to each other by the connecting chain so that the filter plates are in close contact with each other and spaced apart from each other.

The cake desorption unit may be provided on one side of the guide rail, and may be provided on a pair of opposite outer sides of the pair of guide rails.

The effect of the filter press having the cake tear-off structure according to the present invention will be described below.

First, a cake removing unit having a protruding guide formed on one side or both sides of a filtering plate connected by a connecting chain constituting a filtration unit and having a protruding cam selectively hitting a protruding guide on one side or both sides of the filtration unit The sludge disposed between the facing filter plates is dehydrated in the form of a cake and separated from the filter plate to selectively strike one side or both sides of the filter plate to prevent the dehydrated cake from remaining on the opposite side of the filter plate .

Secondly, unlike the conventional case, the filter plate is selectively struck through the structure of the cake removing unit having the protruding guide of the filter plate constituting the filtration unit and the protruding cam selectively bouncing the protruding guide, It is possible to remarkably increase the sludge dewatering efficiency using the filter plate having the protruding guide.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a filter press having a cake tear-off structure according to the present invention, in which a plurality of filter plates are in close contact with each other. Fig.
FIG. 2 is a perspective view showing a filter press having a cake tear-off structure according to the present invention, in which a plurality of filter plates are spaced apart from each other by a predetermined distance.
FIG. 3 is a side view showing the use state of the filter press in which the filter plate is separated from the filter press in a state where the filter plate is separated from the filter press with the cake tear-off structure according to the present invention.
FIG. 4 is a front view showing the use state of the filter press, showing the use state of removing the cake by hitting the filter plate in a state where the filter plate is spaced apart in order to remove the cake of the filter press having the cake tear-off structure according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, preferred embodiments of a filter press having a cake tear-off structure according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a filter press having a cake tear-off structure according to the present invention, in which a plurality of filter plates are in close contact with each other. FIG. 2 shows a filter press having a cake tear-off structure according to the present invention, FIG. 2 is a perspective view showing a state in which a plurality of filter plates are spaced apart from each other by a predetermined distance.

FIG. 3 is a side view showing the use state of the filter press, in which the filter plate is separated from the filter press with the cake tear-off structure according to the present invention, FIG. 5 is a front view of the use state showing the use state of removing the cake by hitting the filter plate in a state where the filter plate is spaced apart in order to remove the cake of the filter press having the cake tear-off structure according to FIG.

1 to 4, a filter press having a cake tear-off structure according to a preferred embodiment of the present invention firstly includes an installation frame 100, a filtration unit 200, and a transfer unit 300 ).

At this time, the mounting frame 100 has both ends of a pair of guide rails 130 fixed with a predetermined distance in the width direction between the first mounting frame 110 and the second mounting frame 120.

The filtration unit 200 includes filter plates 210 and 210 'that are mounted on the guide rails 130 at both sides and connected to each other by a connection chain 220 so as to be in close contact with each other at a predetermined distance, And a pressure plate 230 fixed to one surface of the filter plate 210 'disposed at the outermost of the filter plates 210 and 210'.

At this time, the connecting chain 220 is provided as a connecting bracket having a long hole on one side in a "B" shape and fixed by bolts. Of course, the connecting chain 220 is provided as a chain type chain, Or may be provided in a chain type chain and fixedly installed through a fixing pin.

The transfer unit 300 is connected to the center of one surface of the pressure plate 230 of the filtration unit 200 through the first installation frame 110 to selectively press the filtration plates 210 and 210 ' And a hydraulic cylinder 320 provided at one side of the first installation frame 110 to selectively reciprocate the cylinder rod 310 by a predetermined length.

The filter press having the cake tear-off structure according to the present invention as described above has a cake tear-off structure, and the filter plate 210 of the filtration unit 200 is placed on the guide rails 130 on both sides, A protrusion guide 211 protrudes outward on both sides so as to be spaced apart from each other by a predetermined distance and an insertion groove 211a into which a predetermined length of the upper end of the guide rail is inserted is formed on the bottom surface of the protrusion guide 211.

In addition, the filter press having the cake tear-off structure selectively hits one side of the bottom surface of the protrusion guide 211 so that the filter plates 210 and 210 'are separated from the filter plates 210 and 210' A rotating shaft 410 is disposed on one side of the guide rail 130 so that the dewatered cake can be guided downward without remaining on the opposite side of the rotating shaft 410, 411 protruding from the first mounting frame 110 and a driving motor 430 fixedly installed on one side of the first mounting frame 110 to selectively rotate the rotary shaft 410 .

The filter plate 210 'disposed on the outermost one of the filter plates 210 and 210' is provided on one side of the pressure plate 210 ' (230) is fixed, and is disposed on the side of the first installation frame (110).

The other one of the filter plates 210 'disposed on the outermost side of the filter plates 210 and 210' is fixed on one surface of the second installation frame 120.

The filter plates 210 disposed between the pair of filter plates 210 'disposed on the outermost side of the filter plates 210 and 210' are formed such that the protrusion guides 211 described above are protruded outward on both sides.

Meanwhile, in the filter press having the cake tear-off structure according to the present invention as described above, the bottom surface of the protruding guide of each of the filter plates 210 can be selectively struck by the protruding cam.

The protruding cams 411 of the cake desorption unit 400 are protruded from the outer surface of the rotating shaft 410 with a predetermined distance therebetween. The filter plates 210 are spaced apart from each other by a predetermined distance, It is preferable that the projecting guide 211 is protruded and formed at a predetermined distance in correspondence with the bottom surface of the protrusion guide 211.

Of course, the filter press having the cake tear-off structure according to the present invention as described above is selectively struck by the projecting cam 411 on the bottom surface of the protrusion guide 211 of each of the filter plates 210, The bottom surface of the protruding guide 211 which is adjacent to the filter plate 210 arranged in the direction of the second mounting frame 120 from one side to the other side of the filter plate 210 in the one direction may be selectively struck by the protruding cam 411.

The projecting cam 411 of the cake despooler unit 400 is protruded from the outer surface of the rotary shaft 410 at a predetermined interval and the second installation frame 120 extends from the first installation frame 110 side, And protruding from the rotation shaft 410 at a predetermined interval in a position corresponding to the bottom surface of the protrusion guide 211 with respect to the respective filter plates 210 in a state in which the filter plate 210 is separated from the rotation axis 410 by a predetermined distance .

Meanwhile, in the filter press having the cake tear-off structure according to the present invention as described above, the pressure plate 230 is further provided with guide rollers 231 on both sides thereof mounted on the upper surface of the guide rail 130 to be conveyed and guided .

The filtration unit 200 is preferably fixedly provided with a filter cloth (not shown) on the outer surfaces of the filter plates 210 and 210 ', as in the conventional filtration unit 200.

In addition, the filtration unit 200 is preferably provided in a rectangular shape in which the filter plates 210 and 210 'are elongated in the vertical direction. At this time, the filter plates 210 and 210' And the lower end of the connecting chain 220 may be connected by the connecting chain 220, respectively.

Further, in the filter press having the cake tear-off structure according to the present invention as described above, the cake tear-off unit 400 is installed at one side of the guide rail 130 (not shown) 130, respectively, as shown in FIG.

In this case, since the cake desorption units 400 are provided as a pair, they can be selectively struck against each of the protrusion guides 211 on both sides of the filter plate 210, 210 and 210 'are separated from each other by a predetermined distance, the dehydrated cake can be guided downward without remaining on the facing surfaces of the filter plates 210 and 210'.

According to the filter press having the cake tear-off structure according to the present invention as described above, the filter plate 210, which is connected to the filtering plate 210 by a plurality of connection chains 220 constituting the filtration unit 200, A cake desorption unit 400 having a protruding cam 411 for selectively hitting a protrusion guide 211 is installed on one side or both sides of the filtration unit 200 so that the filtration plates 210 and 210 ' When the sludge disposed between the filter plates 210 and 210 'is dehydrated to be a cake type and separated from the filter plates 210 and 210', one or both sides of the filter plate 210 are selectively blown, It is possible to prevent the dehydrated cake from remaining.

Through the configuration of the cake removing unit 400 having the protruding guide 211 of the filter plate 210 constituting the filtration unit 200 and the protruding cam 411 selectively hitting the protruding guide 211, The sludge dewatering efficiency using the filter plate 210 having the protruding guide 211 is improved by preventing the residual of the dewatered cake on the opposing surfaces of the filter plates 210 and 210 ' Can be significantly increased.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, the invention is not limited thereto. Various modifications may be made by those skilled in the art. Are included in the scope of the present invention.

100: Installation frame
110: first installation frame 120: second installation frame
130: guide rail 200: filtration unit
210, 210 '; Filter plate 211: Extrusion guide
211a: insertion groove 220: connection chain
230: pressure plate 231: guide roller
300: transfer unit 310: cylinder rod
320: Hydraulic cylinder 400: Cake removal unit
410: rotation shaft 411: projecting cam
430: drive motor

Claims (7)

An installation frame 100 in which both ends of a pair of guide rails 130 are fixed between the first installation frame 110 and the second installation frame 120 at a predetermined distance in the width direction; A filter plate 210 and 210 'that are both mounted on the guide rail 130 and connected to each other by a connecting chain 220 so as to be in close contact with each other and spaced apart from each other by a predetermined distance, A filtration unit 200 composed of a pressure plate 230 fixed to one surface of a filter plate 210 'disposed on the outside; A cylinder rod 310 connected to the center of one surface of the pressure plate 230 of the filtration unit 200 through the first installation frame 110 to selectively press or separate the filter plates 210 and 210 ' And a transfer unit (300) provided at one side of the first installation frame (110) and composed of a hydraulic cylinder (320) for selectively reciprocating the cylinder rod (310) In the press,
A protrusion guide 211 is protruded outwardly on both sides of the filter plate 210 of the filtration unit 200 so that both sides of the filter plate 210 are seated on the guide rails 130 and can be closely contacted and spaced apart from each other, An insertion groove 211a through which a predetermined length of the upper end of the guide rail is inserted is formed on the bottom surface of the guide 211,
A dewatered cake is formed on the facing surfaces of the filter plates 210 and 210 'in a state where the filter plates 210 and 210' are separated from each other by a predetermined distance by selectively hitting one side of the bottom surface of the protrusion guide 211 A rotation shaft 410 is disposed at one side of the guide rail 130 and a protruding cam 411 is protruded at a predetermined interval from the outer surface of the rotation shaft 410 so as to be guided downward without remaining, And a cake removing unit (400) fixed to one side of the frame (110) and configured to include a drive motor (430) for selectively rotating the rotary shaft (410).
The method according to claim 1,
So that the bottom surface of each protruding guide of each of the filter plates 210 can be selectively struck by the protruding cam,
The protruding cams 411 of the cake desorption unit 400 are protruded from the outer surface of the rotating shaft 410 with a predetermined distance therebetween. Wherein the filter is press-formed with a predetermined distance in correspondence with the bottom surface of the guide (211).
The method according to claim 1,
A filter plate 210 disposed on the bottom surface of each protrusion guide 211 of each of the filter plates 210 and selectively struck by the protrusion cam 411 from the first installation frame 110 side to the second installation frame 120 side, So that the bottom surface of the protruding guide 211 neighboring in one direction can be selectively struck by the protruding cam 411,
The protruding cam 411 of the cake removing unit 400 protrudes from the outer surface of the rotary shaft 410 at a predetermined interval and extends from the first installation frame 110 side to the second installation frame 120 side And is protruded and formed at a position corresponding to the bottom surface of the protrusion guide 211 with respect to the respective filter plates 210 in a state of being spaced apart from the rotation axis 410 by a predetermined distance in a spiral manner at regular intervals A filter press having a cake tear-off structure.
The method according to claim 1,
Wherein the pressure plate (230) is further provided with guide rollers (231) mounted on the upper surfaces of the guide rails (130) at both sides for conveyance guidance.
The method according to claim 1,
Wherein the filtering unit (200) has a filter cloth fixedly attached to an outer surface of each of the filter plates (210, 210 ').
The method according to claim 1,
The filter units 200 and 210 'are provided in a rectangular shape with long filter plates 210 and 210', respectively. The filter plates 210 and 210 'are provided with upper and lower ends Wherein the filter is connected by the connecting chain (220).
The method according to claim 1,
The cake desorption unit 400 is installed at one side of the guide rails 130 and is provided at a pair of opposite outer sides of the pair of guide rails 130. [ .
KR1020150147425A 2015-10-22 2015-10-22 Filter press having cake secession structure KR20170047038A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108328902A (en) * 2018-04-11 2018-07-27 卓连灶 A kind of sludge concentration device
KR20190094003A (en) * 2018-02-02 2019-08-12 지에스건설 주식회사 Sludge treatment system and method
CN111675474A (en) * 2020-06-15 2020-09-18 淮南沃力特流体设备有限公司 Sludge treatment equipment for water supply and drainage and working method thereof
CN112121483A (en) * 2020-10-12 2020-12-25 株洲时代新材料科技股份有限公司 Pressure filter pull rod device
KR102265114B1 (en) * 2021-03-19 2021-06-14 강웅구 lubricant refining system
KR102321862B1 (en) 2021-05-27 2021-11-04 (주)선진인더스트리 apparatus for automatic separating sludge cake of filter of filter press
WO2022065644A1 (en) * 2020-09-25 2022-03-31 주식회사 엘지화학 Compression-type dewatering apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190094003A (en) * 2018-02-02 2019-08-12 지에스건설 주식회사 Sludge treatment system and method
CN108328902A (en) * 2018-04-11 2018-07-27 卓连灶 A kind of sludge concentration device
CN111675474A (en) * 2020-06-15 2020-09-18 淮南沃力特流体设备有限公司 Sludge treatment equipment for water supply and drainage and working method thereof
WO2022065644A1 (en) * 2020-09-25 2022-03-31 주식회사 엘지화학 Compression-type dewatering apparatus
CN112121483A (en) * 2020-10-12 2020-12-25 株洲时代新材料科技股份有限公司 Pressure filter pull rod device
CN112121483B (en) * 2020-10-12 2022-09-23 株洲时代新材料科技股份有限公司 Pressure filter pull rod device
KR102265114B1 (en) * 2021-03-19 2021-06-14 강웅구 lubricant refining system
KR102321862B1 (en) 2021-05-27 2021-11-04 (주)선진인더스트리 apparatus for automatic separating sludge cake of filter of filter press

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