KR101596480B1 - filtration device possible scraping of filter - Google Patents

filtration device possible scraping of filter Download PDF

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Publication number
KR101596480B1
KR101596480B1 KR1020150125227A KR20150125227A KR101596480B1 KR 101596480 B1 KR101596480 B1 KR 101596480B1 KR 1020150125227 A KR1020150125227 A KR 1020150125227A KR 20150125227 A KR20150125227 A KR 20150125227A KR 101596480 B1 KR101596480 B1 KR 101596480B1
Authority
KR
South Korea
Prior art keywords
filter
filter plate
blade
scraping
plate
Prior art date
Application number
KR1020150125227A
Other languages
Korean (ko)
Inventor
정북천
Original Assignee
주식회사 세신이엔지
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 주식회사 세신이엔지 filed Critical 주식회사 세신이엔지
Priority to KR1020150125227A priority Critical patent/KR101596480B1/en
Application granted granted Critical
Publication of KR101596480B1 publication Critical patent/KR101596480B1/en

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    • B01D33/0067—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/155—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces the filtering surface being parallel to the rotation axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a filtration apparatus capable of scraping a filter plate, and more particularly, to a filtration apparatus capable of scraping a filtration plate for scraping off a filter plate by a plurality of blades without disassembling the filtration apparatus.
The filter housing may include a filter housing rotatably connected to the filter housing. The filter housing may include a rotating shaft formed on an outer circumferential surface of the rotating shaft and spaced from the rotating shaft by a predetermined distance, A plurality of filter plates for filtering the foreign substances from the raw liquid and supplying the fluid filtered by the flow channel through the flow hole of the rotary shaft, and a blade for scraping the cake formed by accumulating the foreign substances on the filter plate with a plurality of blades, .

Description

[0001] The present invention relates to a filtration device capable of scraping of a filter,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a filtration apparatus capable of scraping a filter plate, and more particularly, to a filtration apparatus capable of scraping a filtration plate for scraping foreign matter accumulated on a filter plate by a plurality of blades without disassembling the filtration apparatus.

The process of filtering foreign substances from the raw liquid is called filtering, and a method of physically removing foreign substances through a filter plate is the most widely used.

Particularly, as recycling of resources in the industrial field has been taking place recently as a part of eco-friendly production activities, industry recycles resources and separates the necessary (recycled) fluid from the raw liquid in order to reduce the amount of waste, Is used in many cases.

An example of such a method is a method for regenerating an abrasive such as Korean Patent No. 10-1029275 entitled " Coolant Recovery Apparatus for Polysilicon Wafer Cutting Process ".

On the other hand, a method of physically removing foreign matter has a problem that the filter is continuously accumulated in the process of filtering the foreign matter, forming a cake, and the filtration efficiency is drastically lowered due to the cake.

Particularly, the conventional filtration device has a structure in which the whole filter is disassembled after the filtration to remove the cake in which the foreign substances deposited in the filter plate and the filter are solidified, washed, and reassembled. In addition, environmental pollution is generated due to the treatment of the organic solvent gas, odor, and cake having a high water content in the process. Therefore, unpleasantness and harmful factors in health are always exposed to workers.

Korean Patent No. 10-1029275 entitled "Coolant Recovery Apparatus for Polysilicon Wafer Cutting Process"

SUMMARY OF THE INVENTION An object of the present invention is to provide a filtration apparatus capable of scraping a filter plate for removing a cake accumulated on a filter plate without disassembling the filtration apparatus.

Another object of the present invention is to provide a filtering device capable of scraping the filter plate for discharging the cake removed from the filter plate to the outside without disassembling the filtration device.

It is still another object of the present invention to provide a scraping-capable filtration apparatus for preventing a blade for removing a cake from being broken due to deformation of a cake or a filter plate stacked on a filter plate.

It is another object of the present invention to provide a filtration apparatus capable of scraping a filter plate to prevent the cyclone phenomenon from occurring in the filtration apparatus and to dry the cake accumulated in the filter plate in a short time to minimize the water content.

In order to achieve the above object, according to the present invention, there is provided a filtering apparatus capable of scraping a filter plate, comprising a filter housing to which a stock solution is supplied and loaded, a plurality of flow channels A plurality of filter plates disposed on the outer circumferential surface at a predetermined interval to filter foreign substances from the undiluted solution to supply the fluid filtered by the flow channel through the flow hole of the rotary shaft, And a blade portion for scraping the cake with a plurality of blades and removing the cake from the filter plate.

In addition, a plurality of filter plate discharge holes for supplying the fluid filtered by the filter plate to the flow hole of the rotary shaft are formed on the inner circumferential surface of the filter plate coupled to the rotary shaft, and the fluid filtered in the filter plate is directly supplied to the flow path of the rotary shaft And the filter plate discharge hole is arranged to be eccentric from the flow hole to prevent cyclone from being generated.

The filter plate may include a plurality of filter plate meshes, each filter plate frame having a disk-shaped filter plate frame bent at an edge and fixing an edge of the filter plate mesh, and a mesh- And a filter plate fixing unit coupled to penetrate through the centers of the plurality of filter plate meshes and to surround the outer circumferential surface of the rotation shaft.

In addition, the blade portion may include a vertical driving portion for raising or lowering the supporting shaft, and a plurality of supporting shafts for raising or lowering the plurality of blades disposed between the plurality of filter plates in accordance with the operation of the up and down driving portion do.

The blade portion may include a plurality of support plates disposed at predetermined intervals on the support shaft and a blade connected between the support plates so as to be able to move between the support plate and the support plate along the support axis, Wherein the elastic body presses the blade with a predetermined elastic force to prevent damage to the blade due to a force exceeding the elastic force.

The apparatus further includes a discharge portion of a conical spiral structure rotating to push the cake removed from the filter plate by the blade portion to a discharge port formed in a lower portion of the filter housing.

As described above, according to the filtration apparatus capable of scraping the filter plate according to the present invention, the cake accumulated on the filter plate can be removed without disassembling the filtration apparatus.

In addition, according to the filtration apparatus capable of scraping the filter plate according to the present invention, the cake removed from the filter plate can be discharged to the outside without disassembling the filtration apparatus.

In addition, according to the filter device capable of scraping the filter plate according to the present invention, by utilizing the elastic deformation of the elastic body located at the blade portion to prevent damage to the blade due to the deformation of the cake or the filter plate stacked on the filter plate, There is an effect that can be prevented.

In addition, according to the filtration apparatus capable of scraping the filter plate according to the present invention, the cyclone phenomenon is prevented from occurring in the filtration apparatus, and the cake accumulated in the filter plate is dried quickly to minimize the water content.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a filtration apparatus capable of scraping a filter plate according to the present invention; FIG.
FIG. 2 or 3 is a view showing the operation of a scraping-enabled filtration apparatus of a filter plate according to the present invention. FIG.
4 is a cross-sectional view of a filtering plate of a filtering device capable of scraping the filter plate according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view of a filtration apparatus capable of scraping a filtration plate according to the present invention, FIG. 2 or 3 is a view showing an operation of a filtration apparatus capable of scraping a filtration plate according to the present invention, Fig. 3 is a cross-sectional view showing a filter plate of a filtration apparatus capable of scraping a filtration plate according to the present invention;

1 and 2, a filtering apparatus 100 capable of scraping a filter plate according to the present invention includes a filter housing 1 in which a stock solution is supplied and loaded, and a rotatable filter housing 1 A plurality of flow holes 22 (refer to FIG. 4) which are connected to each other through a flow path 21 located inside and which are arranged at predetermined intervals in the rotation axis 2, A plurality of filtration plates 3 for supplying the fluid filtered through the flow path 21 through the flow path hole 22 of the rotary shaft 2 and a plurality of cakes formed by accumulating foreign substances on the filtration plate 3, And a blade part (4) scraped by the blade (5) and removed from the filter plate (3).

More specifically, a plurality of filter plates (3) having a disk shape in a raw liquid flowing into a filter housing (1) through a supply unit (7) filters out foreign substances to recover only fluid, 2 to the collecting portion 8 along the flow path 21. [

The cake accumulated on each filter plate 3 is separated from the filter plate 3 by a plurality of blades 5 of the blade 4, And is discharged to the lower portion of the filter housing 1. [

In this process, the rotary shaft 2 to which the plurality of filter plates 3 are coupled is connected to the rotary motor 20 so as to be able to remove the cake accumulated on the filter plate 3 without decomposition of the filtration device, And a plurality of blades 5 are brought into contact with the filtering plate 3 which is rotated by the rotation of the rotation motor 20.

At this time, the cake is scraped off by the plurality of blades 5 contacting the filter plate 3.

The apparatus further includes a discharge portion 6 of a conical spiral structure rotated to push the cake removed from the filter plate 3 by the blade portion 4 to the discharge port 61 formed in the lower portion of the filter housing 1 And the cake removed from the filter plate 3 can be discharged to the outside through the discharge portion 6 without disassembling the filtration device.

In addition, as the discharge portion 6 having a rotating conical spiral structure pushes the cake toward the lower discharge port 61 with a spiral, the solid cake is compressed, and in the course of compressing the solid cake, Is separated from the cake which is compressed and conveyed in the downward direction (outlet 61) upward (into the filter housing).

That is, by pressing and discharging the cake by the discharging unit 6, the fluid in the cake is separated, and the water content of the cake can be greatly lowered, so that the cake can be discharged with the loss of the fluid being minimized.

The blade unit 4 includes a vertical drive unit 41 for lifting or lowering the support shaft 42 and a plurality of blades 3 arranged between the plurality of filter plates 3 in accordance with the operation of the up and down drive unit 41. [ And a plurality of support shafts 42 for raising or lowering the support shafts 5.

More specifically, the blade unit 4 is configured to move up and down a plurality of blades 5 through a vertical drive unit 41 for raising or lowering a plurality of support shafts 42 to which a plurality of blades 5 are connected, So that the blade 5 can be closely contacted with or separated from the filter plate 3.

The up-and-down driving unit 41 may be constituted by a plurality of cylinders or motors, or may be structured such that a plurality of support shafts 42 are simultaneously lifted or lowered by interlocking with one cylinder or motor through power transmission means.

The blade unit 4 includes a plurality of support plates 43 disposed at predetermined intervals on the support shaft 42 and support plates 43 and support plates 43 along the support axes 42 between the support plates 43, A plurality of blades 5 arranged to surround the support shaft 42 between the blade 5 and the support plate 43 so as to be movable between the upper and lower support plates 43 And the elastic body 44 may be configured to press the blade 5 with a certain elastic force to prevent the blade 5 from being damaged by a force exceeding the elastic force.

The blade unit 4 may further include a plurality of blade supports 50 for supporting the plurality of blades 5A and 5B as shown in 2-1 of FIG. And the blade support 50 may be integrally formed.

That is, the blade unit 4 may be formed of the blade 5 and the blade support 50, or the blade 5 and the blade support 50 may be integrally formed.

The plurality of blades 5 or the blade supports 50 may be supported by at least one of the plurality of support plates 43 and may be maintained spaced apart from the filter plates 3A and 3B

When the support shaft 42 descends as shown in (2-II) of FIG. 2 by the above-described operation of the up-and-down driving unit 41, the support plate 43 coupled to the support shaft 42 The plurality of blades 5 or the blade support 50 supported by the support plate 43 are lowered by the same height and brought into close contact with the filter plates 3A and 3B.

The filter plates 3A and 3B rotated by the rotary shaft 2 are in close contact with the blades 5A and 5B in a rotating state and the cake located on the upper surfaces of the rotating filter plates 3A and 3B is in close contact with the blade 5A , 5B.

The blade unit 4 includes a plurality of support plates 43 disposed at predetermined intervals on the support shaft 42 and support plates 43 and support plates 43 along the support axes 42 between the support plates 43, A plurality of blades 5 arranged to surround the support shaft 42 between the blade 5 and the support plate 43 so as to be movable between the upper and lower support plates 43 The elastic body 44 may be configured to press the blade 5 with a certain elastic force to prevent breakage of the blade 5 due to a force exceeding the elastic force. When the support shaft 42 descends or after the blade 5B is subjected to a force equal to or greater than the elastic force to prevent the blade 5B from being damaged by the deformed filter plate 3B, So that the blade 5B can be moved backward Is-supporting.

The blade 5B is elastically deformed by the elastic deformation of the elastic body 44 located in the blade so as not to break the blade 5B due to the deformation of the foreign matter or the cake or the filter plate 3B accumulated on the filter plate 3B, So that it is possible to prevent such a problem.

3, the blade 5 of the filtration apparatus capable of scraping the filter sheet according to the present invention having the above-described structure is formed in a curved shape, The foreign matter or cake which is attached to the upper surface of the filter plate 3 by the rotation of the filter plate 3 and moves as F1 is rotated by the rotation of the filter plate 3 to the outer periphery of the filter plate 3, So that it can be discharged.

That is, a foreign matter or cake removed by the blade 5 is discharged so as not to remain on the top surface of the filter plate 3, so that the foreign matter or cake is scraped off from the filter plate 3, And is configured to have a curved shape for pushing and discharging it to the outer periphery of the filter plate 3.

FIG. 4 shows a filter plate (left side) of a filtration apparatus capable of scraping the filter plate according to the present invention, wherein the filter plate 3 has a circular plate which is bent at an edge thereof, A plurality of filter plate meshes 32 each having a filter plate frame 31 and a disk mesh network laminated on the filter plate frame 31, a filter plate frame 31 having a disk shape and a plurality of filter plate meshes And a filter plate fixing part 33 coupled to penetrate the center of the disc shape of the rotary shaft 32 and to surround the outer circumferential surface of the rotary shaft 2.

The filter plate 3 may be formed of a single piece of filter sheet metal 31 by welding the filter sheet frame 31. However, since the shape of the filter sheet 3 may be uneven or deformed by thermal deformation due to welding, It is preferable to fix the plurality of filter plate meshes 32 on the filter plate frame 31 in such a manner that the edge of the filter plate frame 31 is bent so as to surround the edge of the filter plate mesh 32.

In addition, the plurality of filter plate meshes 32 may include a first filtering plate mesh 32A having a largest diameter filtering hole according to a diameter of a plurality of filtering holes formed for filtration, a filter having a diameter smaller than that of the first filter plate mesh 32A The second filter plate mesh 32B having a hole and the third filter plate mesh 32C having a small diameter filtration hole are configured such that the sizes of the filtration holes of the respective mesh nets are different from each other, As shown in FIG.

A plurality of filter plate discharge holes 34 for supplying the fluid filtered by the filter plate 3 to the flow hole 22 of the rotary shaft 2 are formed on the inner peripheral surface of the filter plate 3 coupled to the rotary shaft 2, And the filter sheet discharge hole 34 is formed in the flow passage hole 22 in order to prevent the fluid filtered in the filter plate 3 from being directly supplied to the flow passage 21 of the rotary shaft 2, As shown in Fig.

The eccentricity between the filter discharge hole 34 and the flow passage hole 22 may be eccentric not only in the vertical direction but also in the transverse direction as shown in the figure.

That is, in order to prevent the cake from partially drying due to the cyclone generated as the fluid exits through the filter sheet discharge hole 34 directly into the flow passage hole 22, the filter sheet discharge hole 34 and the flow passage hole 22 to prevent the occurrence of cyclones.

As described above, since the occurrence of the cyclone phenomenon can be prevented, the drying of the cake can be partially prevented by the cyclone, so that the cake accumulated in the filter plate 3 is dried in a short time, Become able to be transformed.

In addition, the injection nozzles 62 for promoting the flow of the fluid more rapidly or drying the cake to rapidly lower the water content are located above the filter plates 3, and compressed air is supplied to the upper surface of the filter plate 3, .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art without departing from the scope of the present invention. The scope of the invention should therefore be construed in light of the claims set forth to cover many of such variations.

1: Filter housing
2:
3: Filter plate
4:
5: blade
6:
7:
8:
20: Rotary motor
21: Euro
22: Euro hole
31: Filter plate frame
32: Filter plate mesh
33:
34: Filter plate discharge hole
41:
42: Support shaft
43:
44: elastomer
50: blade support
61: Outlet
62: injection nozzle

Claims (6)

A filter housing in which a stock solution is supplied and loaded;
A rotating shaft rotatably connected to the filter housing, the rotating shaft having a plurality of flow holes formed in an outer circumferential surface thereof;
A plurality of filter plates arranged at predetermined intervals on the rotating shaft to filter foreign matters from the undiluted solution and supply the filtered fluid through the flow hole of the rotating shaft;
And a blade portion for scraping the cake formed by accumulating foreign matter on the filter plate with a plurality of blades and removing the cake from the filter plate
A plurality of filter plate discharge holes are formed in the inner circumferential surface of the filter plate coupled to the rotating shaft to supply the fluid filtered by the filter plate to the flow hole of the rotating shaft,
Wherein the filter plate discharge hole is arranged to be eccentric from the flow hole to prevent the fluid filtered by the filter plate from being directly supplied to the flow path of the rotary shaft to generate cyclone.
Filter device capable of scraping the filter plate.
delete The method according to claim 1,
The filter plate
A filter plate frame in the form of a disk, the filter plate frame having an edge bent and fixing the edge of the filter sheet mesh;
A plurality of filter sheet meshes, each filter sheet mesh being formed on the upper surface of the filter sheet frame,
And a filter plate fixing unit coupled to the filter plate frame and a plurality of filter plate meshes to penetrate the disc-shaped center of the filter plate and surround the outer circumferential surface of the rotation shaft.
Filter device capable of scraping the filter plate.
The method according to claim 1,
The blade
A vertical drive part for raising or lowering the support shaft;
And a plurality of support shafts for raising or lowering the plurality of blades disposed between the plurality of filter plates according to the operation of the up and down drive unit
Filter device capable of scraping the filter plate.
The method according to claim 1,
The blade
A plurality of support plates disposed at predetermined intervals on the support shaft;
A blade connected to the supporting plate so as to be movable between the supporting plate and the supporting plate along the supporting axis;
And a plurality of elastic bodies disposed between the support plates to surround the support shaft and press the plurality of blades from the upper side to a lower support plate,
Wherein the elastic body presses the blade with a predetermined elastic force to prevent breakage of the blade due to a force exceeding the elastic force
Filter device capable of scraping the filter plate.
The method according to claim 1,
And a discharge portion of a conical spiral structure rotating to push the cake removed from the filter plate by the blade portion to the discharge port formed in the lower portion of the filter housing
Filter device capable of scraping the filter plate.
KR1020150125227A 2015-09-04 2015-09-04 filtration device possible scraping of filter KR101596480B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124371A (en) * 2019-06-06 2019-08-16 西安航天华威化工生物工程有限公司 The plate frame structure of vertical full automatic plate frame filter press

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003225518A (en) * 2002-01-31 2003-08-12 Jfe Engineering Kk Solid-liquid separator
KR100443586B1 (en) * 2003-10-14 2004-08-09 제이케이이앤씨 주식회사 Rotate type filtering equipment
KR101029275B1 (en) 2010-10-14 2011-04-18 엠씨테크주식회사 Coolant recycling apparatus for sawing process of polysilicon wafer
JP2015509838A (en) * 2012-02-06 2015-04-02 アンドリツ オサケユキチュア Method and apparatus for reducing the thickness of the precoat layer of a disk filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003225518A (en) * 2002-01-31 2003-08-12 Jfe Engineering Kk Solid-liquid separator
KR100443586B1 (en) * 2003-10-14 2004-08-09 제이케이이앤씨 주식회사 Rotate type filtering equipment
KR101029275B1 (en) 2010-10-14 2011-04-18 엠씨테크주식회사 Coolant recycling apparatus for sawing process of polysilicon wafer
JP2015509838A (en) * 2012-02-06 2015-04-02 アンドリツ オサケユキチュア Method and apparatus for reducing the thickness of the precoat layer of a disk filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124371A (en) * 2019-06-06 2019-08-16 西安航天华威化工生物工程有限公司 The plate frame structure of vertical full automatic plate frame filter press

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