JPH0810516A - Filter plate of filter press and filter press using the same - Google Patents
Filter plate of filter press and filter press using the sameInfo
- Publication number
- JPH0810516A JPH0810516A JP6168892A JP16889294A JPH0810516A JP H0810516 A JPH0810516 A JP H0810516A JP 6168892 A JP6168892 A JP 6168892A JP 16889294 A JP16889294 A JP 16889294A JP H0810516 A JPH0810516 A JP H0810516A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- plate
- filter
- filter plate
- hole
- 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.)
- Pending
Links
Landscapes
- Filtration Of Liquid (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、フイルタプレスの濾板
及び該濾板を用いて濾過圧搾脱水を行うフイルタプレス
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter plate for a filter press and a filter press for carrying out filtration press dehydration using the filter plate.
【０００２】[0002]
【従来の技術】濾板の額縁部から濾過面へ原液を導入す
る例として次のものが公知である。すなわち、濾板の額
縁両側の一部を外方へ突出して広くして、この突出部と
これに連なる濾板の内側の濾過面部に、前後に貫通した
はめ込み孔を開ける。このはめ込み孔に原液導入板をは
め、該原液導入板の濾板額縁部内に位置するところに、
前後に貫通して開口する原液導入口を開ける。また、該
原液導入板内に、上記原液導入口に一端が連なり他端が
濾板の前後の両濾過面に通じて開口する原液流出孔を貫
通する。上記原液導入板の濾板の濾過面部に位置すると
ころの前後両側とその周りの濾板の濾過面上に、一対の
挟持部材を当ててボルトで両側から締め付ける。一対の
挟持部材は、前記の原液流出孔の開口に連なる原液通過
孔を有する。また濾布は挟持部材の原液通過孔と同じ孔
を開け、この孔のところを該挟持部材の原液通過孔周縁
と原液導入板の上記開口の周縁との間に挟んで上記の締
め付けを行う。濾板とこれに隣接する濾板の濾過面間に
供給する原液は、上記原液導入板の原液導入口から原液
流出孔に入ってその開口と濾布の孔を通過し挟持部材の
原液通過孔に出て濾過面間に供給される。2. Description of the Related Art The following is known as an example of introducing a stock solution from a frame portion of a filter plate to a filtering surface. That is, a part of both sides of the frame of the filter plate is projected outward and widened, and a fitting hole penetrating in the front and rear direction is formed in the projecting portion and the filter surface portion inside the filter plate which is continuous with the projecting portion. Fit the undiluted solution introducing plate into the fitting hole, and place the undiluted solution introducing plate in the frame portion of the filter plate,
Open the undiluted solution inlet that passes through the front and back. Further, in the stock solution introducing plate, one end is connected to the stock solution introducing port, and the other end penetrates a stock solution outflow hole which opens to both front and rear filtration surfaces of the filter plate. A pair of sandwiching members are applied to the front and rear sides of the stock solution introducing plate located on the filter surface of the filter plate and the surrounding filter surfaces of the filter plate and tightened from both sides with bolts. The pair of sandwiching members has a stock solution passage hole which is continuous with the opening of the stock solution outlet hole. Further, the filter cloth has the same hole as the undiluted solution passage hole of the sandwiching member, and the hole is sandwiched between the undiluted solution passage hole peripheral edge of the sandwiching member and the peripheral edge of the opening of the undiluted solution introducing plate to perform the above-mentioned tightening. The stock solution supplied between the filter plate and the filtration surface of the filter plate adjacent thereto enters the stock solution inlet from the stock solution inlet of the stock solution introducing plate, passes through the opening and the filter cloth hole, and the stock solution passing hole of the holding member. And is supplied between the filtration surfaces.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記はめ込み
式の原液導入板の原液流出孔は、原液中の固形分を付着
させやすくまた付着した固形分は該流出孔内で固まりや
すい。この固形分の固まりを除くため、上記流出孔に向
けて洗浄液を噴射しても、いったん付着した固まりは簡
単に洗い落とせない。また、濾板毎で原液流出孔の詰ま
り状態がことなると、原液が入らないかまたは充分に入
らない濾板間が生じる。本発明は、上記課題を解決する
ことを目的とし、濾板額縁に備えた原液の案内溝から原
液を濾板間に円滑に供給することができる濾板を提供し
ようとするものである。また本発明は、上記濾板を配列
して各濾板間に等しく原液を供給し濾過圧搾脱水を行
い、均一なケークを得ることができるフイルタプレスを
提供しようとするものである。However, the solid solution outflow holes of the above-mentioned fitting type undiluted solution introduction plate are likely to adhere solid components in the undiluted solution, and the adhered solid components are likely to be solidified in the outflow holes. Since this solid content is removed, even if the cleaning liquid is sprayed toward the outflow holes, the once-attached mass cannot be easily washed off. Further, if the undiluted solution outlet hole is clogged for each filter plate, the undiluted solution does not enter or a space between the unfiltered plates occurs. An object of the present invention is to solve the above problems and to provide a filter plate capable of smoothly supplying the stock solution between the filter plates from a guide groove of the stock solution provided in a frame of the filter plate. Another object of the present invention is to provide a filter press which is capable of obtaining a uniform cake by arranging the above filter plates and uniformly supplying the undiluted solution between the filter plates to carry out filtration press dehydration.
【０００４】[0004]
【課題を解決しようとする手段】請求項１の発明は、外
周の表裏面が額縁状に形成され、該額縁で囲まれる内側
の板厚を薄くしかつ該薄くした板面に通孔を開けて両面
が濾布で被われるフイルタプレスの濾板において、表面
側の額縁の幅に対して裏面側の額縁の幅を拡張した広幅
額縁部と、上記裏面側の額縁の拡張した面から上記表面
側の額縁内側の板厚を薄くした板面に貫通する貫通孔
と、一端が上記貫通孔に通じて上記拡張した額縁面を通
り他端が額縁の表裏を貫通する貫通孔に通じる原液の案
内溝と、を備えて形成するフイルタプレスの濾板であ
る。According to a first aspect of the present invention, the front and back surfaces of the outer periphery are formed in a frame shape, the inner plate thickness surrounded by the frame is made thin, and a through hole is formed in the thin plate surface. In a filter plate of a filter press whose both sides are covered with a filter cloth, a wide frame part in which the width of the frame on the back side is expanded with respect to the width of the frame on the front side, and the expanded surface of the frame on the back side A through-hole penetrating through the thinned plate surface on the inside of the side frame, and a guide for the undiluted solution leading through the through-hole that penetrates the frame surface at one end through the expanded frame surface and the other end through the front and back of the frame. A filter plate of a filter press formed with grooves.
【０００５】請求項２の発明は、請求項１に記載した発
明において、上記原液の案内溝の他端が板外に開放され
るように構成する。According to a second aspect of the invention, in the invention according to the first aspect, the other end of the guide groove for the undiluted solution is opened outside the plate.
【０００６】請求項３の発明は、中空枠体の外周の表裏
面が額縁状に形成され、該中空枠体の両面が濾布で被わ
れるフイルタプレスの濾板において、表面側の額縁の幅
に対して裏面側の額縁の幅を拡張した広幅額縁部と、上
記裏面側の額縁の拡張した面から上記表面側の額縁内側
の枠厚を薄くした板面に貫通する貫通孔と、一端が上記
貫通孔に通じて上記拡張した額縁面を通り他端が額縁の
表裏を貫通する貫通孔に通じる原液の案内溝と、を備え
て形成するフイルタプレスの濾板である。According to a third aspect of the present invention, in the filter plate of the filter press in which the front and back surfaces of the outer periphery of the hollow frame are formed in a frame shape, and both sides of the hollow frame are covered with filter cloth, the width of the frame on the front surface side is set. With respect to the wide frame part that has the width of the frame on the back side expanded, a through hole that penetrates from the expanded surface of the frame on the back side to the plate surface with the frame thickness thin inside the frame on the front side, and one end A filter plate of a filter press, comprising: a guide groove for the undiluted solution that communicates with the through hole and passes through the expanded frame surface, and the other end communicates with a through hole that penetrates the front and back of the frame.
【０００７】請求項４の発明は、請求項３に記載した発
明において、上記原液の案内溝の他端を枠外に開放する
ものである。According to a fourth aspect of the invention, in the invention according to the third aspect, the other end of the guide groove for the undiluted solution is opened outside the frame.
【０００８】請求項５の発明は、外周の表裏面が額縁状
に形成され、該額縁で囲まれた内側の板厚を薄くしかつ
該薄くした板面に通孔を開けて両面が濾布で被われる濾
板が複数枚配列されるフイルタプレスにおいて、上記濾
板が、表面側の額縁の幅に対して裏面側の額縁の幅を拡
張した広幅額縁部と、上記裏面側の額縁の拡張した面か
ら上記表面側の額縁内側の板厚を薄くした板面に貫通す
る貫通孔と、一端が上記貫通孔に通じて上記拡張した額
縁面を通り他端が額縁の表裏を貫通する貫通孔に通じる
原液の案内溝とを備えて形成され、上記濾板の裏面側と
該濾板に隣接する上記濾板の裏面側とを重ね合わせると
ともに上記濾板の表面側に該濾板に隣接する上記濾板の
表面側を重ね合わせて複数枚の上記濾板が配列されるフ
イルタプレスである。According to a fifth aspect of the present invention, the front and back surfaces of the outer periphery are formed in a frame shape, the inner plate thickness surrounded by the frame is made thin, and a through hole is opened in the thin plate surface to form a filter cloth on both sides. In a filter press in which a plurality of filter plates to be covered with are arranged, the filter plate has a wide frame part in which the width of the frame on the back side is expanded with respect to the width of the frame on the front side, and the expansion of the frame on the back side. A through hole that penetrates the plate surface on the inside of the frame on the front surface side from the above face, and a through hole that passes through the expanded frame surface at one end and through the front and back sides of the frame at the other end. And a back side of the filter plate and a back side of the filter plate adjacent to the filter plate are overlapped with each other and the front side of the filter plate is adjacent to the filter plate. A filter press in which a plurality of the above-mentioned filter plates are arranged by superposing the surface sides of the above-mentioned filter plates. .
【０００９】請求項６の発明は、中空枠体の外周の表裏
面が額縁状に形成され、該中空枠体の両面が濾布で被わ
れる濾板が複数枚配列されるフイルタプレスにおいて、
上記濾板が、表面側の額縁の幅に対して裏面側の額縁の
幅を拡張した広幅額縁部と、上記裏面側の額縁の拡張し
た面から上記表面側の額縁内側の枠厚を薄くした板面に
貫通する貫通孔と、一端が上記貫通孔に通じて上記拡張
した額縁面を通り他端が額縁の表裏を貫通する貫通孔に
通じる原液の案内溝とを備えて形成され、該濾板の裏面
側と該濾板に隣接する上記濾板の裏面側とを重ね合わせ
るとともに該濾板の表面側に該濾板に隣接する上記濾板
の表面側を重ね合わせて複数枚の上記濾板が配列される
フイルタプレスである。According to a sixth aspect of the present invention, there is provided a filter press in which the front and back surfaces of the outer periphery of the hollow frame are formed in a frame shape, and a plurality of filter plates are arranged so that both sides of the hollow frame are covered with filter cloth.
The filter plate has a wide frame part in which the width of the frame on the back side is expanded with respect to the width of the frame on the front side, and the frame thickness inside the frame on the front side is thinned from the expanded surface of the frame on the back side. A through hole penetrating the plate surface; and a guide groove for the undiluted solution, which has one end passing through the through hole and passing through the expanded frame surface and the other end passing through the through hole penetrating the front and back of the frame. The back side of the plate and the back side of the filter plate adjacent to the filter plate are overlapped with each other, and the front side of the filter plate adjacent to the filter plate is overlapped with the front side of the filter plate to form a plurality of the filters. It is a filter press where boards are arranged.
【００１０】請求項７の発明は、外周の表裏面が額縁状
に形成され、該額縁で囲まれた内側の板厚を薄くしかつ
該薄くした板面に通孔を開けて両面が濾布で被われる濾
板と芯板に圧搾膜を被せた圧搾板とが複数枚配列される
フイルタプレスにおいて、上記濾板が、表面側の額縁の
幅に対して裏面側の額縁の幅を拡張した広幅額縁部と、
上記裏面側の額縁の拡張した面から上記表面側の額縁内
側の板厚を薄くした板面に貫通する貫通孔と、一端が上
記貫通孔に通じて上記拡張した額縁面を通り他端が額縁
の表裏を貫通する貫通孔に通じる原液の案内溝とを備え
て形成され、該濾板の裏面側と該濾板に隣接する上記濾
板の裏面側とを重ね合わせるとともに該濾板の表面側に
該濾板に隣接する芯板に圧搾膜を被せた圧搾板を重ね合
わせて複数枚の上記濾板と圧搾板とが配列されるフイル
タプレスである。According to a seventh aspect of the present invention, the front and back surfaces of the outer periphery are formed in a frame shape, and the plate thickness on the inside surrounded by the frame is reduced, and a through hole is opened in the thin plate surface to form a filter cloth on both sides. In a filter press in which a plurality of filter plates to be covered with and a press plate having a core plate covered with a press film are arranged, the filter plate has the width of the frame on the back side expanded with respect to the width of the frame on the front side. Wide frame part,
A through hole that penetrates from the expanded surface of the frame on the back surface side to the plate surface on the inside of the frame on the front surface side with a reduced thickness, and one end communicates with the through hole and passes through the expanded frame surface, and the other end is a frame. And a back side of the filter plate and a back side of the filter plate adjacent to the filter plate are overlapped with each other and a front side of the filter plate is formed. Is a filter press in which a plurality of the above-mentioned filter plates and compression plates are arranged by superposing a compression plate having a compression film on a core plate adjacent to the filter plate.
【００１１】請求項８の発明は、請求項７に記載した発
明において、圧搾板の芯板が、その外周の表裏面を額縁
状に形成した中空枠体で構成される。According to an eighth aspect of the present invention, in the invention according to the seventh aspect, the core plate of the compression plate is composed of a hollow frame body having a frame-like outer peripheral surface.
【００１２】請求項９の発明は、中空枠体の外周の表裏
面が額縁状に形成され、該中空枠体の両面が濾布で被わ
れる濾板と芯板に圧搾膜を被せた圧搾板とが複数枚配列
されるフイルタプレスにおいて、上記濾板が、表面側の
額縁の幅に対して裏面側の額縁の幅を拡張した広幅額縁
部と、上記裏面側の額縁の拡張した面から上記表面側の
額縁内側の枠厚を薄くした板面に貫通する貫通孔と、一
端が上記貫通孔に通じて上記拡張した額縁面を通り他端
が額縁の表裏を貫通する貫通孔に通じる原液の案内溝と
を備えて形成され、該濾板の裏面側と該濾板に隣接する
上記濾板の裏面側とを重ね合わせるとともに該濾板の表
面側に該濾板に隣接する芯板に圧搾膜を被せた圧搾板を
重ね合わせて複数枚の上記濾板と圧搾板とが配列される
フイルタプレスである。According to a ninth aspect of the present invention, the outer and outer surfaces of the hollow frame body are formed in a frame shape, and both sides of the hollow frame body are covered with a filter cloth. In a filter press in which a plurality of and are arranged, the filter plate is a wide frame part in which the width of the frame on the back side is expanded with respect to the width of the frame on the front side, and the expanded surface of the frame on the back side A through hole that penetrates through the plate surface with a thin frame inside the frame on the front surface side, and one end that passes through the through hole and that passes through the expanded frame surface and the other end that passes through the through hole that passes through the front and back of the frame. The filter plate is formed with a guide groove, and the back side of the filter plate and the back side of the filter plate adjacent to the filter plate are overlapped with each other and the core plate adjacent to the filter plate is squeezed on the front side of the filter plate. A filter press in which a plurality of the above-mentioned filter plates and compression plates are arranged by stacking compression plates covered with a membrane. That.
【００１３】請求項１０の発明は、請求項９に記載した
発明において、圧搾板の芯板が、その外周の表裏面を額
縁状に形成した中空枠体で構成される。According to a tenth aspect of the invention, in the invention according to the ninth aspect, the core plate of the compression plate is composed of a hollow frame body in which the front and back surfaces of the outer periphery thereof are formed into a frame shape.
【００１４】[0014]
【効果】本発明は、濾板裏面側の額縁を広幅額縁面に形
成したところに原液の案内溝を設け、該案内溝と隣側の
濾板の上記案内溝どうしを重合させて一対の濾板とし、
上記案内溝間から濾板の両側へ原液を供給するから、濾
板の厚さが薄くても原液の案内溝としての寸法を充分に
とることができ、原液を濾板間に安定して供給すること
ができる。また上記案内溝は、濾板の両側に設ける必要
がない。According to the present invention, a guide groove for the undiluted solution is provided in the place where the frame on the back side of the filter plate is formed on the wide frame surface, and the guide groove and the guide groove of the adjacent filter plate are polymerized to form a pair of filters. As a board,
Since the undiluted solution is supplied from the space between the guide grooves to both sides of the filter plate, the undiluted solution can be sufficiently dimensioned as a guide groove even if the filter plate is thin, and the undiluted solution is stably supplied between the filter plates. can do. Further, it is not necessary to provide the guide groove on both sides of the filter plate.
【００１５】また、上記一対の濾板を複数枚配列するフ
イルタプレスは、濾板間を開くときに上記案内溝間が開
放されて清掃されやすい。また、各案内溝間から原液を
濾板間に等しく供給し、濾過圧搾脱水後厚みと含水分の
等しいケークを得ることができる。また、同じ長さのフ
イルタプレスでも濾板の枚数を多くして濾過面積を増加
させることができる。Further, in the filter press in which a plurality of the pair of filter plates are arranged, the space between the guide grooves is opened when the filter plates are opened, so that the filter press is easily cleaned. Further, it is possible to uniformly supply the stock solution between the filter plates through the respective guide grooves to obtain a cake having the same thickness and water content after filtration and squeezing. Further, even with a filter press having the same length, the number of filter plates can be increased to increase the filtration area.
【００１６】[0016]
【実施例】本発明の第一実施例を図１ないし図３を用い
て説明する。図１は、濾板１の裏面を示す。図２は図１
のＡ−Ａ線縦断面、図３は図１の下部の表面側を示す。
濾板１の裏面側の額縁２下部右側に、表面側の額縁２の
幅に対して該額縁の幅寸法を拡張した広幅額縁部３を形
成している。広幅額縁部３には原液の案内溝４を設け
る。上記案内溝４の一端は、広幅額縁部３から表面側の
額縁２内側の板厚を薄くしてへこませた板面５に貫通す
る貫通孔６に通じている。また上記案内溝４の他端は、
濾板１の耳部７を厚さ方向に貫通する貫通孔８（原液供
給孔）に通じている。貫通孔８は、上記濾板１を複数枚
重ね合わせたときに連通管をつくる。該連通管の一方端
にあるフランジ３８（図７）から供給した原液は、各濾
板１の案内溝４から貫通孔６に入って板面５のところか
ら濾過床９に供給され、濾過床９上を被う濾布１０で濾
過される。上記案内溝４は、後記のとおり隣側の濾板の
上記案内溝と重合させて、一対の濾板として該案内溝間
から濾板の両側へ原液を供給するから、濾板の厚さが薄
くても充分な深さと幅を有する通路を形成する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows the back surface of the filter plate 1. 2 is shown in FIG.
3 is a vertical cross section taken along line AA of FIG. 3, and FIG. 3 shows the lower surface side of FIG.
On the lower right side of the frame 2 on the back side of the filter plate 1, there is formed a wide frame part 3 in which the width dimension of the frame 2 is expanded with respect to the width of the frame 2 on the front side. A guide groove 4 for the undiluted solution is provided in the wide frame portion 3. One end of the guide groove 4 communicates with a through hole 6 that penetrates from the wide frame portion 3 to a plate surface 5 that is recessed by thinning the plate inside the front frame 2. The other end of the guide groove 4 is
The ear portion 7 of the filter plate 1 communicates with a through hole 8 (stock solution supply hole) that penetrates in the thickness direction. The through hole 8 forms a communication pipe when a plurality of the filter plates 1 are stacked. The stock solution supplied from the flange 38 (FIG. 7) at one end of the communication pipe enters the through hole 6 from the guide groove 4 of each filter plate 1 and is supplied to the filter bed 9 from the plate surface 5 and the filter bed 9. 9 is filtered with a filter cloth 10 covering the top. As will be described later, the guide groove 4 is overlapped with the guide groove of the adjacent filter plate to supply the stock solution from between the guide grooves to both sides of the filter plate as a pair of filter plates. Form a passage that is thin but has sufficient depth and width.
【００１７】上記貫通孔８は省略して、案内溝４の他端
は濾板１の外側に開放してもよい。この場合は上記の連
通管はできない。原液は、各濾板間の案内溝４間へ別々
に供給することができる。濾板１の濾過床９には通孔１
１が開いている。この通孔１１に濾板１の両側に掛ける
濾布１０の連結部を通す。連結部には通孔１２が開いて
いる（図７）。通孔１２で原液を一方の濾布１０側から
他方の濾布１０側へ通過させる。濾布１０で濾過された
濾液は、濾液排出孔１３に入り通路１４を通って耳部１
５を厚さ方向に貫通する貫通孔１６から外部へ排出され
る。また、１７は濾板１の把手、１８は濾板１を移動可
能に支持する側板である。上記貫通孔６の濾板表面側に
開口する開口周縁には環状の濾布止め具１９をねじ込
み、濾布１０に開けた孔の周縁を上記開口周縁に固定す
る。The through hole 8 may be omitted and the other end of the guide groove 4 may be opened to the outside of the filter plate 1. In this case, the above communication pipe cannot be used. The stock solution can be separately supplied into the guide grooves 4 between the filter plates. A through hole 1 is provided in the filter bed 9 of the filter plate 1.
1 is open. The connecting portion of the filter cloth 10 to be hung on both sides of the filter plate 1 is passed through the through hole 11. A through hole 12 is opened in the connecting portion (FIG. 7). The stock solution is passed from one filter cloth 10 side to the other filter cloth 10 side through the through hole 12. The filtrate filtered by the filter cloth 10 enters the filtrate discharge hole 13 and passes through the passage 14 to the ear 1
5 is discharged to the outside from a through hole 16 penetrating through 5 in the thickness direction. Further, 17 is a handle of the filter plate 1, and 18 is a side plate for movably supporting the filter plate 1. An annular filter cloth stopper 19 is screwed into the opening peripheral edge of the through hole 6 that opens on the filter plate surface side, and the peripheral edge of the hole formed in the filter cloth 10 is fixed to the opening peripheral edge.
【００１８】図４ないし図６は第２実施例を示す。図４
は、中空枠体から成る濾板２０の裏面を示す。図５は図
４の中央縦断面を示し、また図６は図４の下部の表面側
を示す。裏面側の額縁２１の下部中央に、表面側の額縁
２１の幅に対して該額縁の幅寸法を拡張した広幅額縁部
２２を形成している。広幅額縁部２２には原液の案内溝
２３を設ける。案内溝２３の一端は、広幅額縁部２２面
から表面側の額縁２１内側の枠厚を薄くしてへこませた
板面２４に貫通する貫通孔２５に通じている。また案内
溝２３の他端は、濾板２０の耳部２６を厚さ方向に貫通
する貫通孔２７（原液供給孔）に通じている。貫通孔２
７は、濾板２０を重ね合わせ合わせたときに連通管をつ
くる。連通管の一方端にあるフランジ３８（図８）から
供給した原液は、各濾板２０の案内溝２３から貫通孔２
５に入って板面２４のところから濾板２０を被う濾布２
８面に供給される。4 to 6 show a second embodiment. FIG.
Shows the back surface of the filter plate 20 composed of a hollow frame. 5 shows the central longitudinal section of FIG. 4, and FIG. 6 shows the lower surface side of FIG. At the center of the lower part of the frame 21 on the back surface side, a wide frame portion 22 is formed by expanding the width dimension of the frame 21 with respect to the width of the frame 21 on the front surface side. A guide groove 23 for the undiluted solution is provided in the wide frame portion 22. One end of the guide groove 23 communicates with a through hole 25 penetrating from the surface of the wide frame portion 22 to the plate surface 24 that is recessed by thinning the frame thickness inside the front frame 21. The other end of the guide groove 23 communicates with a through hole 27 (stock solution supply hole) that penetrates the ear portion 26 of the filter plate 20 in the thickness direction. Through hole 2
7 forms a communication tube when the filter plates 20 are superposed on each other. The undiluted solution supplied from the flange 38 (FIG. 8) at one end of the communication pipe is fed from the guide groove 23 of each filter plate 20 to the through hole 2.
The filter cloth 2 which enters 5 and covers the filter plate 20 from the plate surface 24
It is supplied to 8 sides.
【００１９】上記管通孔２７は省略して、原液の案内溝
２３の他端は濾板２０の枠外に開放してもよい。この場
合は上記連通管はできない。原液は、各案内溝２３間へ
別々に供給することができる。また、上記濾板２０の両
側に掛ける濾布２８は、その濾過作用面にある通孔２９
部で連結してあり、該連結部２９で原液を一方の濾布２
０側から他方の濾布２０側へ通過させる。濾布２８で濾
過された濾液は枠体内周に開口する濾液排出孔１３入
り、通路３０を通って耳部３１を厚さ方向に貫通する貫
通孔３２から外部へ排出される。The pipe through hole 27 may be omitted, and the other end of the stock solution guide groove 23 may be opened outside the frame of the filter plate 20. In this case, the communication pipe cannot be used. The stock solution can be separately supplied between the guide grooves 23. Further, the filter cloth 28 hung on both sides of the filter plate 20 has through holes 29 on its filtering surface.
Part of the filter cloth 2 and the stock solution is connected to the filter cloth 2 at the connecting part 29.
Pass from the 0 side to the other filter cloth 20 side. The filtrate filtered by the filter cloth 28 enters the filtrate discharge hole 13 opening in the inner circumference of the frame, and is discharged to the outside from the through hole 32 penetrating the ear portion 31 in the thickness direction through the passage 30.
【００２０】図７は、第３実施例で、図１の濾板１を固
定板３４と可動板３５間に複数枚配列して側板１８上で
移動可能に支持したフイルタプレスを示す。可動板３５
は、締付装置３６の締付ロッド３７と連結して濾板１を
締め付ける。濾板１の両側に濾布１０が掛けてある。固
定板３４の前面下部にあるフランジ３８は、図１の下部
右側の耳部７を貫通する貫通孔８が重合してつくる連通
管と連通している。また上部にあるフランジ３９は、図
１の上部右側の耳部１５を貫通する貫通孔１６が重合し
てつくる連通管と連通している。また図１の下部左側の
耳部１５を貫通する貫通孔１６が重合してつくる連通管
も固定板３４の下部にあるフランジ（図示略）と連通し
ている。原液の供給と濾液の排出については、前に図１
ないし図３で説明したとおりであるからその説明は省略
する。また、濾板の厚さを薄くして一側にのみ上記案内
溝を設けることにより、同じ長さのフイルタプレスでも
濾板の枚数を多くして濾過面積を増加させるこたができ
る。FIG. 7 shows a third embodiment of the filter press in which a plurality of the filter plates 1 of FIG. 1 are arranged between the fixed plate 34 and the movable plate 35 and are movably supported on the side plates 18. Movable plate 35
Connects with the tightening rod 37 of the tightening device 36 to tighten the filter plate 1. A filter cloth 10 is hung on both sides of the filter plate 1. The flange 38 at the lower front surface of the fixing plate 34 is in communication with a communication tube formed by overlapping the through hole 8 penetrating the ear portion 7 on the lower right side of FIG. Further, the upper flange 39 communicates with a communication pipe formed by a through hole 16 penetrating the ear portion 15 on the upper right side of FIG. Further, a communication pipe formed by overlapping a through hole 16 penetrating the ear portion 15 on the lower left side of FIG. 1 also communicates with a flange (not shown) at the lower portion of the fixing plate 34. Regarding the supply of the undiluted solution and the discharge of the filtrate, see Fig. 1 before.
Since it is as described with reference to FIG. 3, description thereof will be omitted. Further, by reducing the thickness of the filter plate and providing the guide groove only on one side, it is possible to increase the number of filter plates and increase the filtering area even with a filter press of the same length.
【００２１】図８は、第４実施例で、図４に示す濾板２
０を固定板３４と可動板３５間に複数枚配列したフイル
タプレスを示す。３３は、濾板２０の両側を被う濾布２
８の内側を示す。上記濾布２８の内側３３には濾液の流
れを助ける多孔板又は布片などを差し込んでもよい。原
液の供給と濾液の排出については、前に図４ないし図６
で説明したとおりであるからその説明は省略する。FIG. 8 shows a fourth embodiment of the filter plate 2 shown in FIG.
A filter press in which a plurality of 0s are arranged between the fixed plate 34 and the movable plate 35 is shown. 33 is a filter cloth 2 that covers both sides of the filter plate 20.
The inside of 8 is shown. A perforated plate or a piece of cloth for facilitating the flow of the filtrate may be inserted into the inner side 33 of the filter cloth 28. Regarding the supply of the undiluted solution and the discharge of the filtrate, refer to FIGS.
The explanation is omitted because it is the same as that described in.
【００２２】図９は、第５実施例で、濾板１の裏面側ど
うしを重合した一対の濾板４０と芯板４１に圧搾膜４２
を被せた圧搾板４３とを複数枚配列したフイルタプレス
を示す。芯板４１と圧搾膜４２とには濾板１の通孔１
１、濾液排出孔１３及び幅広額縁部３がない。また芯板
４１の外形は濾板１の外形と同じである。また図１の上
部左側にある耳部４４を厚さ方向に貫通する貫通孔４５
を通り芯板４１の貫通孔と通路を経て、圧搾流体が芯板
と圧搾膜間に供給される。圧搾膜４２は芯板４１の上下
の外側に連結具（図示略）で取り付ける。FIG. 9 shows a fifth embodiment of the present invention, in which a pair of filter plates 40 and core plates 41 in which the back sides of the filter plates 1 are superposed are squeezed onto a pressing film 42.
2 shows a filter press in which a plurality of pressing plates 43 covered with are arranged. The core plate 41 and the squeeze film 42 have through holes 1 of the filter plate 1.
1. There is no filtrate discharge hole 13 and wide frame part 3. The outer shape of the core plate 41 is the same as the outer shape of the filter plate 1. Also, a through hole 45 that penetrates the ear portion 44 on the upper left side of FIG. 1 in the thickness direction.
The compressed fluid is supplied between the core plate and the compressed film through the through hole and the passage of the core plate 41. The squeeze film 42 is attached to the upper and lower outer sides of the core plate 41 with a connecting tool (not shown).
【００２３】図１０は、第６実施例で、濾板２０の裏面
側どうしを重合した一対の濾板４６と中空枠体２０から
成る芯板４７に圧搾膜４２を被せた圧搾板４８とを複数
枚配列したフイルタプレスを示す。芯板４７と圧搾膜４
２とには濾板２０の濾液排出孔１３、通路３０及び広幅
額縁部２２がない。また芯板４７の外形は濾板２０の外
形と同じである。また圧搾板４８の両側の圧搾膜４２間
に圧搾流体を供給する通路などの説明は図９で説明する
とおりであるから同符号を付けて説明を省略する。FIG. 10 shows a sixth embodiment, which comprises a pair of filter plates 46 in which the back sides of the filter plates 20 are superposed and a press plate 48 in which a core plate 47 composed of the hollow frame 20 is covered with a press film 42. A filter press in which a plurality of sheets are arranged is shown. Core plate 47 and compressed film 4
2 does not have the filtrate discharge hole 13, the passage 30, and the wide frame portion 22 of the filter plate 20. The outer shape of the core plate 47 is the same as the outer shape of the filter plate 20. The explanation of the passages and the like for supplying the squeezing fluid between the squeeze membranes 42 on both sides of the squeeze plate 48 is the same as that explained in FIG.
【００２４】また、図１１及び図１２は、上記図９及び
図１０に示す例において、圧搾板４３又は４８で濾過し
た濾液を排出する場合の一例を説明する。圧搾膜４２を
被う濾布１０又は２８で濾過された濾液は、圧搾膜４２
面を流れて額縁に位置する液孔金具４９の通路５０と濾
布の孔から隣側の濾板２０の開口５１に入り通路３０を
通って耳部３１の貫通孔３２内に抜ける。しかし濾液の
排出手段については上記各図示の説明に限らない。Further, FIGS. 11 and 12 explain an example in which the filtrate filtered by the pressing plate 43 or 48 in the example shown in FIGS. 9 and 10 is discharged. The filtrate filtered with the filter cloth 10 or 28 covering the squeeze film 42 is the squeeze film 42.
It flows through the surface and enters the opening 51 of the filter plate 20 on the adjacent side from the passage 50 of the liquid hole fitting 49 located in the frame and the hole of the filter cloth, passes through the passage 30 and exits into the through hole 32 of the ear portion 31. However, the means for discharging the filtrate is not limited to the above description.
【図１】本発明にかかる第一例の濾板の正面図である。FIG. 1 is a front view of a first example of a filter plate according to the present invention.
【図２】図１Ａ−Ａ線断面図である。FIG. 2 is a sectional view taken along the line AA in FIG.
【図３】図１の濾板の裏面下半部を示すFIG. 3 shows the lower half of the back surface of the filter plate of FIG.
【図４】本発明にかかる第２例の濾板の正面図である。FIG. 4 is a front view of a filter plate according to a second example of the present invention.
【図５】図４Ｂ−Ｂ線縦断面図である。FIG. 5 is a vertical sectional view taken along the line BB of FIG.
【図６】図４の濾板の裏面下半部を示す。FIG. 6 shows the lower half of the back surface of the filter plate of FIG.
【図７】本発明に係る第３例の、濾板を切り欠いて見た
フイルタプレスの側面図である。FIG. 7 is a side view of the filter press according to the third example of the present invention, with the filter plate cut away.
【図８】本発明に係る第４例の、濾板を切り欠いて見た
他のフイルタプレスの側面図である。FIG. 8 is a side view of another filter press of the fourth example according to the present invention with the filter plate cut away.
【図９】本発明に係る第５例の、濾板を切り欠いて見た
圧搾式フイルタプレスの側面図である。FIG. 9 is a side view of a squeezing filter press according to a fifth example of the present invention with a filter plate cut away.
【図１０】本発明に係る第６例の、濾板を切り欠いて見
た他の圧搾式フイルタプレスの側面図である。FIG. 10 is a side view of another squeezing filter press of the sixth example according to the present invention, with the filter plate cut away.
【図１１】本発明に係る濾板に隣合わせにして配列する
圧搾板を一部切り欠いて説明する正面図である。FIG. 11 is a front view illustrating a squeezing plate arranged side by side with the filter plate according to the present invention by partially cutting away.
【図１２】図１１Ｂ−Ｂ線断面を示し、図１０の濾板も
合わせて断面にして示す。FIG. 12 is a cross-sectional view taken along the line BB of FIG. 11, showing the filter plate of FIG.
１；濾板、２；額縁、３；広幅額縁部、４；原液の案内
溝、５：板厚を薄くした板面、６；貫通孔、７；耳部、
８；貫通孔（原液孔）、９；濾過床、１０；濾布、１
１；濾過床の通孔、１２；濾布の通孔、１３；濾液排出
孔、１４；濾液通路、１５；耳部、１６；貫通孔、１
７；濾板把手、１８；側板、１９；濾布止め具、２０；
中空枠体から成る濾板、２１；額縁、２２；幅広額縁
部、２３；原液の案内溝、２４；枠厚を薄くした板面、
２５；貫通孔、２６；耳部、２７；貫通孔、２８；濾
布、２９；濾布の通孔、３０；通路、３１；耳部、３
２；貫通孔、３３；濾板の両側に掛けた濾布の内側、３
４；固定板、３５；可動板、３６；締付装置、３７；締
付ロッド、３８；フランジ、３９；フランジ、４０；一
対の濾板、４１；芯板、４２；圧搾膜、４３；圧搾板、
４４；耳部、４５貫通孔、４６；一対の濾板、４７；芯
板、４８；圧搾板、４９；液孔金具、５０；通路、５
１；開口。DESCRIPTION OF SYMBOLS 1; Filter plate, 2; Frame, 3; Wide frame part, 4; Guide groove for undiluted solution, 5: Plate surface with thin plate thickness, 6; Through hole, 7; Ear part,
8: Through hole (stock solution hole), 9: Filter bed, 10: Filter cloth, 1
1; filter bed through hole, 12; filter cloth through hole, 13; filtrate discharge hole, 14; filtrate passage, 15; ear part, 16; through hole, 1
7; filter plate handle, 18; side plate, 19; filter cloth stopper, 20;
Filter plate composed of hollow frame, 21; Frame, 22; Wide frame, 23; Guide groove for undiluted solution, 24; Plate surface with thin frame,
25; Through hole, 26; Ear portion, 27; Through hole, 28; Filter cloth, 29; Filter cloth through hole, 30; Passage, 31; Ear portion, 3
2; through hole, 33; inside of filter cloth hung on both sides of filter plate, 3
4; fixed plate, 35; movable plate, 36; tightening device, 37; tightening rod, 38, flange, 39, flange, 40; pair of filter plates, 41; core plate, 42; squeeze film, 43; squeeze Board,
44; ears, 45 through holes, 46; pair of filter plates, 47; core plate, 48; compression plate, 49; liquid hole fitting, 50; passage, 5
1; opening.
Claims (10)
で囲まれる内側の板厚を薄くしかつ該薄くした板面に通
孔を開けて両面が濾布で被われるフイルタプレスの濾板
において、 表面側の額縁の幅に対して裏面側の額縁の幅を拡張した
広幅額縁部と、上記裏面側の額縁の拡張した面から上記
表面側の額縁内側の板厚を薄くした板面に貫通する貫通
孔と、一端が上記貫通孔に通じて上記拡張した額縁面を
通り他端が額縁の表裏を貫通する貫通孔に通じる原液の
案内溝と、を備えて形成されたことを特徴とするフイル
タプレスの濾板。1. A filter press in which front and back surfaces of an outer periphery are formed in a frame shape, a plate thickness on an inner side surrounded by the frame is thinned, and a through hole is opened in the thinned plate surface to cover both sides with a filter cloth. In the filter plate, a wide frame part in which the width of the frame on the back side is expanded with respect to the width of the frame on the front side, and a plate in which the plate thickness inside the frame on the front side is thinned from the expanded surface of the frame on the back side. A through hole penetrating the surface, and a guide groove for the undiluted solution, which has one end passing through the through hole and passing through the expanded frame surface and the other end passing through the through hole penetrating the front and back of the frame. Characteristic filter press filter plate.
て形成された請求項１記載のフイルタプレスの濾板。2. A filter plate for a filter press according to claim 1, wherein the other end of the guide groove for the undiluted solution is formed outside the plate.
れ、該中空枠体の両面が濾布で被われるフイルタプレス
の濾板において、 表面側の額縁の幅に対して裏面側の額縁の幅を拡張した
広幅額縁部と、上記裏面側の額縁の拡張した面から上記
表面側の額縁内側の枠厚を薄くした板面に貫通する貫通
孔と、一端が上記貫通孔に通じて上記拡張した額縁面を
通り他端が額縁の表裏を貫通する貫通孔に通じる原液の
案内溝と、を備えて形成されたことを特徴とするフイル
タプレスの濾板。3. A filter plate of a filter press in which front and back surfaces of the outer periphery of a hollow frame are formed in a frame shape, and both sides of the hollow frame are covered with a filter cloth, wherein the back surface side is relative to the width of the frame on the front surface side. A wide frame part having an expanded width of the frame, a through hole penetrating from the expanded surface of the frame on the back surface side to a plate surface with a thin frame inside the frame on the front surface side, and one end communicating with the through hole. And a guide groove for the undiluted solution, the other end of which passes through the expanded frame surface and the other end of which passes through the front and back of the frame, and a filter plate for a filter press.
て形成された請求項３記載のフイルタプレスの濾板。4. A filter plate for a filter press according to claim 3, wherein the other end of the guide groove for the undiluted solution is formed outside the frame.
で囲まれた内側の板厚を薄くしかつ該薄くした板面に通
孔を開けて両面が濾布で被われる濾板が複数枚配列され
るフイルタプレスにおいて、 上記濾板が、表面側の額縁の幅に対して裏面側の額縁の
幅を拡張した広幅額縁部と、上記裏面側の額縁の拡張し
た面から上記表面側の額縁内側の板厚を薄くした板面に
貫通する貫通孔と、一端が上記貫通孔に通じて上記拡張
した額縁面を通り他端が額縁の表裏を貫通する貫通孔に
通じる原液の案内溝とを備えて形成され、該濾板の裏面
側と該濾板に隣接する上記濾板の裏面側とを重ね合わせ
るとともに該濾板の表面側に該濾板に隣接する上記濾板
の表面側を重ね合わせて複数枚の上記濾板が配列される
ことを特徴とするフイルタプレス。5. A filter plate in which the front and back surfaces of the outer periphery are formed in a frame shape, the plate thickness on the inside surrounded by the frame is reduced, and a through hole is opened in the thin plate surface to cover both sides with a filter cloth. In a filter press in which a plurality of are arranged, the filter plate has a wide frame part in which the width of the frame on the back side is expanded with respect to the width of the frame on the front side, and the expanded surface of the frame on the back side from the front side. A through-hole penetrating through the thinned plate surface on the inside of the side frame, and a guide for the undiluted solution leading through the through-hole that penetrates the frame surface at one end through the expanded frame surface and the other end through the front and back of the frame. A surface of the filter plate adjacent to the filter plate, which is formed by including a groove, and overlaps the back surface side of the filter plate and the back surface side of the filter plate adjacent to the filter plate. A filter press in which a plurality of the above-mentioned filter plates are arranged so that the sides thereof are overlapped with each other.
れ、両面が濾布で被われる濾板が複数枚配列されるフイ
ルタプレスにおいて、 上記濾板が、表面側の額縁の幅に対して裏面側の額縁の
幅を拡張した広幅額縁部と、上記裏面側の額縁の拡張し
た面から上記表面側の額縁内側の枠厚を薄くした板面に
貫通する貫通孔と、一端が上記貫通孔に通じて上記拡張
した額縁面を通り他端が額縁の表裏を貫通する貫通孔に
通じる原液の案内溝とを備えて形成され、該濾板の裏面
側と該濾板に隣接する上記濾板の裏面側とを重ね合わせ
るとともに該濾板の表面側に該濾板に隣接する上記濾板
の表面側を重ね合わせて複数枚の上記濾板が配列される
ことを特徴とするフイルタプレス。6. A filter press in which a plurality of filter plates each having a front surface and a back surface on the outer periphery of a hollow frame are formed in a frame shape, and both surfaces are covered with a filter cloth, wherein the filter plate has a width of a frame on the front surface side. With respect to the wide frame part that has the width of the frame on the back side expanded, a through hole that penetrates from the expanded surface of the frame on the back side to the plate surface with the frame thickness thin inside the frame on the front side, and one end It is formed with a guide groove for the undiluted solution that communicates with the through hole and passes through the expanded frame surface, and the other end communicates with the through hole that penetrates the front and back of the frame, and is adjacent to the back surface side of the filter plate and the filter plate. A filter characterized in that a plurality of the above-mentioned filter plates are arranged by superposing the back side of the filter plate and the front side of the filter plate adjacent to the filter plate on the front side of the filter plate. press.
で囲まれた内側の板厚を薄くしかつ該薄くした板面に通
孔を開けて両面が濾布で被われる濾板と、芯板に圧搾膜
を被せた圧搾板とが複数枚配列されるフイルタプレスに
おいて、 上記濾板が、表面側の額縁の幅に対して裏面側の額縁の
幅を拡張した広幅額縁部と、上記裏面側の額縁の拡張し
た面から上記表面側の額縁内側の板厚を薄くした板面に
貫通する貫通孔と、一端が上記貫通孔に通じて上記拡張
した額縁面を通り他端が額縁の表裏を貫通する貫通孔に
通じる原液の案内溝とを備えて形成され、該濾板の裏面
側と該濾板に隣接する上記濾板の裏面側とを重ね合わせ
るとともに該濾板の表面側に該濾板に隣接する芯板に圧
搾膜を被せた圧搾板を重ね合わせて複数枚の上記濾板と
圧搾板とが配列されることを特徴とするフイルタプレ
ス。7. A filter plate in which the front and back surfaces of the outer periphery are formed in a frame shape, and the plate thickness on the inside surrounded by the frame is reduced, and a through hole is opened in the reduced plate surface to cover both sides with a filter cloth. In a filter press in which a plurality of compressed plates having a core plate covered with a compressed film are arranged, the filter plate has a wide frame part in which the width of the frame on the back side is expanded with respect to the width of the frame on the front side. , A through hole penetrating from the expanded surface of the frame on the back surface side to the plate surface on the front surface side where the plate thickness inside is thin, and one end passes through the expanded frame surface through the through hole and the other end And a back surface side of the filter plate which is formed with a guide groove for the undiluted solution leading to through holes penetrating the front and back of the frame, and the back surface side of the filter plate adjacent to the filter plate and the front surface of the filter plate. A plurality of the above-mentioned filter plates and a pressing plate by superposing a pressing plate on a side of which a pressing plate is covered with a core plate adjacent to the filtering plate. A filter press that is characterized by being arranged.
状に形成した中空枠体である請求項７記載のフイルタプ
レス。8. The filter press according to claim 7, wherein the core plate of the compression plate is a hollow frame body having a frame-like outer peripheral surface.
れ、該中空枠体の両面が濾布で被われる濾板と芯板に圧
搾膜を被せた圧搾板とが複数枚配列されるフイルタプレ
スにおいて、 上記濾板が、表面側の額縁の幅に対して裏面側の額縁の
幅を拡張した広幅額縁部と、上記裏面側の額縁の拡張し
た面から上記表面側の額縁内側の枠厚を薄くした板面に
貫通する貫通孔と、一端が上記貫通孔に通じて上記拡張
した額縁面を通り他端が額縁の表裏を貫通する貫通孔に
通じる原液の案内溝とを備えて形成され、該濾板の裏面
側と該濾板に隣接する上記濾板の裏面側とを重ね合わせ
るとともに該濾板の表面側に該濾板に隣接する芯板に圧
搾膜を被せた圧搾板を重ね合わせて複数枚の上記濾板と
圧搾板とが配列されることを特徴とするフイルタプレ
ス。9. A plurality of arranging a filter plate in which front and back surfaces of an outer periphery of a hollow frame are formed in a frame shape, and both sides of the hollow frame are covered with a filter cloth, and a squeezing plate in which a squeeze film is covered on a core plate. In the filter press, the filter plate has a wide frame part in which the width of the frame on the back side is expanded with respect to the width of the frame on the front side, and the inside of the frame on the front side from the expanded surface of the frame on the back side. A through-hole penetrating the plate surface of which the frame thickness is thin, and a guide groove for the undiluted solution leading to the through-hole which one end communicates with the through-hole and passes through the expanded frame surface and the other end penetrates the front and back of the frame. And the back side of the filter plate and the back side of the filter plate adjacent to the filter plate are overlapped with each other, and the front side of the filter plate is covered with a compression film on the core plate adjacent to the filter plate. A filter press, wherein a plurality of the above-mentioned filter plates and compression plates are arranged by stacking the plates.
縁状に形成した中空枠体である請求項９記載のフイルタ
プレス。10. The filter press according to claim 9, wherein the core plate of the compression plate is a hollow frame body having a frame-like outer peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6168892A JPH0810516A (en) | 1994-06-27 | 1994-06-27 | Filter plate of filter press and filter press using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6168892A JPH0810516A (en) | 1994-06-27 | 1994-06-27 | Filter plate of filter press and filter press using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0810516A true JPH0810516A (en) | 1996-01-16 |
Family
ID=15876510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6168892A Pending JPH0810516A (en) | 1994-06-27 | 1994-06-27 | Filter plate of filter press and filter press using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810516A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012128425A1 (en) * | 2011-03-23 | 2012-09-27 | 한국필터 주식회사 | Filter press having a cake dislodging function, and a filter plate device and a filter cloth therefor |
-
1994
- 1994-06-27 JP JP6168892A patent/JPH0810516A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012128425A1 (en) * | 2011-03-23 | 2012-09-27 | 한국필터 주식회사 | Filter press having a cake dislodging function, and a filter plate device and a filter cloth therefor |
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