JPH0321308A - Filter press - Google Patents

Abstract

PURPOSE:To change raw liquid feeding openings to filter properly bed sections of respective filter plates without replacing a device by forming continuously the raw liquid feeding openings of respective filter plates along the given direction in filter bed sections of respective filter plates and providing filter cloth transfer means. CONSTITUTION:A plurality of filter plates 1 having filter bed sections 1c on which frame sections 1b and raw material feeding openings 1a are formed and juxtaposed. Further, a couple of filter cloths 2 having the raw feeding ports 2a respectively are disposed between the adjacent filter plates, and circumferences of respective raw material feeding ports 2a of two filter cloths 2 facing across respective filter plates 1 are connected with each other and connecting sections 25 of the same are inserted into the raw material feeding openings 1a. The raw material feeding openings 1a are formed continuously along the given direction in the filter bed sections 1c. Further, two filter cloths 2 facing across respective filter plates 1 are transferred along given direction to the filter plates 1 by filter cloth transfer means 3-18, and the connecting sections 25 of respective raw liquid feeding ports 2a of two filter cloths 2 are transferred along given direction in the raw material feeding openings 1a.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to a filter press, and more particularly to a filter press in which a stock solution supply hole for a stock solution to be supplied between adjacent filter plates can be changed as appropriate for the filter bed portion of each filter plate.

[Conventional technology]

Conventional filter presses include, for example, a plurality of center-feed type filter plates arranged in parallel, each having a frame and a filter bed provided inside the frame and having a circular stock solution supply hole formed in the center. In addition, a pair of filter cloths each having a circular stock solution supply port of approximately the same size as the stock solution supply hole of each filter plate is suspended and supported between adjacent filter plates by filter cloth hanging rods. . 2 facing each other through each of the above filter plates.
The surrounding portions of each stock solution supply port of the two filter cloths are connected to each other by, for example, being sewn to each end of a cylindrical connecting cloth inserted into the stock solution supply hole of each filter plate. Thereby, each stock solution supply port of the two filter cloths is fixed to the stock solution supply hole of each of the filter plates. Therefore, the stock solution is supplied between adjacent filter plates through the stock solution supply port of each filter cloth and the stock solution supply hole of each filter plate.

[Problem to be solved by the invention]

By the way, in the above-mentioned center-feed type filter press, even if vibration is applied to each of the filter cloth hanging rods by, for example, a vibration imparting device when the filter plate frame is opened after filtration, the filter cloth hanging rods are not suspended. Since the stock solution supply port of the supported filter cloth is fixed with respect to the stock solution supply hole of each filter plate, this vibration is transmitted to the upper part of the filter cloth above the stock solution supply port, but the stock solution supply port The vibration is reduced around the undiluted solution supply port, and it is difficult for the vibration to be transmitted to the lower part of the stock solution supply port. Therefore, even if vibration is applied to each of the filter cloth hanging rods when the filter plate frame is opened, the cake will fall above the branch supply port of each filter cloth, but the cake will fall from the branch supply port of each filter cloth. Below the mouth,
- There is a problem that the blocks are difficult to fall. In order to solve this problem, for example, the feed type of the filter press may be changed from the center feed type to the bottom feed type in which the feed legs feed through the lower ends of the filtration beds of each of the filter plates. It is possible that In this way, the vibrations applied to each of the filter cloth hanging rods are transmitted to the lower end of each of the filter cloths. However, the stock solution supply hole of the center feed type filter plate is formed in the center of the filter bed, and its position cannot be changed within the filter bed. It cannot be changed. Therefore, in order to solve the above problem, the entire device must be replaced with the bottom feed type. In this case, it is necessary to install a filter press whose stock solution supply type is the bottom-feed type at its installation location, and the user is accustomed to handling center-feed type filter presses, but Since people are not familiar with feed type machines, there is a problem in that they have to give new explanations on how to handle and operate the machines, which is troublesome. As described above, in the conventional filter press, it is not possible to appropriately change the stock solution supply type without replacing the device, and when the device is replaced, the above problems occur. The present invention has been devised in view of the above problems and to effectively solve them. Therefore, its purpose is
To provide a filter press in which a stock solution supply hole for a stock solution can be appropriately changed to a filtration bed part of each filter plate without replacing the device.

[Means to solve the problem]

The filter press according to the present invention is configured as follows in order to solve the problems of the prior art and achieve the objective. That is, a plurality of filter plates having a frame portion and a filter bed portion provided inside the frame portion and having stock solution supply holes formed at predetermined locations are arranged in parallel, and a pair of filter plates each having a stock solution supply port are arranged in parallel. A bamboo cloth is arranged between adjacent filter plates, and the periphery of each stock solution supply port of the two filter cloths facing each other with the filter plates in between is connected to each other, and the connecting portion is used to supply the stock solution to each filter plate. In the filter press inserted into the hole, the stock solution supply hole of each of the filter plates is formed in a long length along a predetermined direction in the filtration bed of each of the filter plates, and two holes are opposed to each other with the filter plates interposed therebetween. a filter cloth for moving two filter cloths along the predetermined direction with respect to each of the filter plates, and moving the connecting portions of each stock solution supply port of the two filter cloths along the predetermined direction within the stock solution supply hole; Equipped with means of transportation. Further, in the above structure, the stock solution supply hole of each of the filter plates is formed in a long length along the vertical direction of each of the filter plates, and the filter cloth moving means is arranged above each of the filter plates. a first roller that holds the upper end portion of each of the filter cloths and is capable of winding up and unwinding; Reversible second
a roller, and a driving means for driving each of the first rollers and the second rollers to rotate in forward and reverse directions in synchronization, and the driving means drives the first rollers and the second rollers. 2 facing each other with each of the above filter plates in between.
The two filter cloths may be moved together in the same direction along the vertical direction, and the connecting portions of the respective stock solution supply ports of the two filter cloths may be moved along the vertical direction within the stock solution supply holes of the respective filter plates. Further, at corresponding predetermined portions of the upper and lower end portions of each of the filter plates, the frame portion is configured to protrude upward and downward from other portions of the upper and lower end portions of each of the filter plates, respectively, in a roughly rUJ shape. In this case, the stock solution supply hole may be formed along the vertical direction between both of these protruding portions. Moreover, the filter bed portion of each of the above-mentioned filter plates may be made of a perforated plate.

[Action/Effect of invention]

According to the filter press according to the present invention, the stock solution supply holes of each of the filter plates are formed in a long length along a predetermined direction in the filter bed of each of the filter plates, and the filter cloth moving means is provided. , move the two filter cloths facing each other with the filter plates in between, along the predetermined direction with respect to each filter plate, and connect the connecting portions of the stock solution supply ports of the two filter cloths to the original limb 0. (It can be moved along the predetermined direction within the feed hole. When the connecting portion is positioned at a predetermined location within the stock solution supply port of each of the above-mentioned boards, the original joint is connected to the stock solution supply port of each of the filter cloths and the above-mentioned solution supply hole. The stock solution is supplied between the adjacent filter plates through the predetermined location of the stock solution supply hole of each filter plate. Therefore, according to the filter press of the present invention, the stock solution is supplied between the adjacent filter plates without replacing the device. The stock solution supply hole can be changed as appropriate with respect to the filter bed portion of each of the filter plates.Furthermore, according to the filter press of the present invention, after filtration, when the filter plate frame is opened, the filter cloth moving means By moving each of the filter cloths along the predetermined direction, it is possible to effectively generate vibrations in the entirety of each of the filter cloths, thereby effectively dropping the cake attached to the entirety of each of the filter cloths. Further, according to the filter press according to the present invention, each filter cloth may be moved along the predetermined direction by the filter cloth moving means to take out at least a portion of each filter cloth from between adjacent filter plates. Therefore, each filter cloth can be easily cleaned compared to a filter press in which the filter cloth cannot be moved relative to the filter plate.Furthermore, according to the filter press according to the present invention, the above-mentioned stock solution supply Holes are formed in the vertical direction of each of the filter plates, and the filter cloth moving means moves between each of the first roller, each of the second rollers, each of the first rollers, and each of the second rollers. and driving means for synchronously driving the first and second rollers, the first and second rollers are driven by the driving means, thereby driving the two filters facing each other with the filter plates in between. By simultaneously moving the cloth in the same direction along the vertical direction of each of the filter plates, the connecting portion can be moved to a predetermined location within the limb supplying chamber.Furthermore, according to the filter press according to the present invention, An upwardly protruding portion and a downwardly protruding portion of the frame are formed at corresponding predetermined portions of the upper and lower ends of each of the filter plates, and the stock solution supply hole is formed between the two protruding portions.・When the shape is formed along the vertical direction, when the connecting part is positioned at the upper end of the stock solution supply hole, the type of stock solution supply between adjacent filter plates becomes a top feed type, and the connecting part becomes the top feed type. When the connecting portion is positioned at the lower end of the stock solution supply hole, the stock solution supply type becomes a bottom feed type, and when the connecting portion is positioned at the center of the stock solution supply hole, the stock solution supply type becomes a center feed type. When the above-mentioned raw limb supply type or the above-mentioned top feed type is used, the upper part of each of the filter cloths above the stock solution supply hole can be taken out above each of the above-mentioned filter plates, so the upper part can be easily and reliably washed. can do. In addition, when the limb supply type is the bottom feed type, the entire lower part of each filter cloth can be taken out from the stock solution supply hole below each filter plate, so the lower part can be easily and reliably removed. Can be washed. Therefore, by positioning the connecting portions at the upper and lower ends of the stock solution supply hole, the entirety of each of the filter cloths can be easily and reliably washed.

【Example】

Below, preferred embodiments of the filter press according to the present invention will be described with reference to FIGS. 1 to 19. FIG. 1 is a longitudinal sectional view between adjacent filter plates of a filter press according to an embodiment of the present invention. Note that this figure is a rear view of one intermediate filter plate among the plurality of filter plates that make up the filter press according to this embodiment. In the filter press according to this embodiment, the rear stand 56 is located between the front stand 27 located at the left end in FIG. 2 and the rear stand 56 located at the right end in FIG. A plurality of filter plates 1, . A pair of filter cloths 2,83.2.80 are arranged. Among these plurality of filter plates 1, . . . , 1, 28.29, the rightmost filter plate in FIG. On the other hand, the 'al plate at the left end in FIG. 2, that is, the front end filter plate 29, is fixed to the front stand 27 and does not move. Also, an intermediate filter plate 1 between these front and rear end filter plates 29 and 28 is provided.・・・． 1 is suspended and supported by a pair of side beams 2 2 and 2 2 arranged on both sides of the front stand 27 and the rear stand 56 so as to be movable back and forth. In the filter press according to the present embodiment, by simultaneously moving the two filter cloths 2.83 facing each other across the intermediate filter plates 1 in the vertical direction, a primitive limb supply type between the lIJ filter plates is provided. can be changed as appropriate. Incidentally, filtrate recovery pipes 58 and 59 are attached to the upper and lower ends of the front stand 27, respectively. As shown in FIGS. 9 and 11, each intermediate filter plate l is
A frame portion 1b and a filter bed portion 1c provided inside the frame portion 1b.
It consists of A long stock solution supply hole 1a is formed in the center of the filter bed 1c along the left-right direction in FIG. 9, extending from the upper end to the lower end in the up-down direction. Further, no holes are formed in the filter bed portion Ic except for the stock solution supply hole 1a, and a large number of protrusions extending in the downward direction are provided on both sides of the filter bed portion Ic. In addition, near the upper ends of both left and right sides of each intermediate filter plate l in FIG. 9, there are handles If, L. g, and each intermediate filter plate l is connected to a pair of side beams 2 through the handles 1f and 1g.
2,2 Supported by 2. As shown in FIGS. 9 and 10, open frame link rods 19, .
pin holes 1e,...,l for attaching with pins 20
e is shaped. In addition, in FIG. 9, Ih is I
1# This is a filtrate passage for guiding IT in the chamber to the filtrate recovery pipe 58.59. Further, as shown in FIG. 1, at the upper and lower ends of each of the intermediate filters L, support frames 23 and 24 each having a roughly U-shaped longitudinal section are provided.
is installed. The upper support frame 23 of these two support frames holds the upper end portions of the two filter cloths 2, 83 facing each other across the intermediate filter plates 1, and is capable of being wound up and undone. The l-th rollers 3.5 are arranged and rotatably supported in the vertical direction via their rotation shafts 92 to 90, respectively. On the other hand, the lower support frame 24 of the two support frames is provided with second filter cloths that hold the lower end portions of the two filter cloths 2.83 and that can be wound up and undone.
Rollers 4.6 are rotatably supported vertically side by side via their respective rotation axes 93.91. The left end in FIG. 1 of each rotating shaft 90.91 of the first roller 5 and the second roller 6, which respectively hold the upper and lower end portions of the one filter cloth 83, is the support frame 23.2.
In FIG. 1 of 4, the left end wall is penetrated and protrudes greatly, and sprockets 13.14 are attached to the tips of the sprockets, respectively, and these two sprockets 1 3.1 4
An endless chain l5 is hung on it. These two subrockets 13.14 are therefore rotated synchronously. In addition, this chain 15 has its upper and lower ends attached to each of the support frames 23.24 in a portion between these two subrockets 13.14, and extends vertically toward the front in FIGS. 2 and 3. It is accommodated in a chain cover 16 having a notch 16a along the chain. Further, a drive pawl l8 of a drive rod l7 is engaged with the chain 15 through a notch 16a of the chain cover 16. This drive rod l7 has a roughly U-shaped cross section, and both ends thereof are connected to the upper ends of piston rods 49 and 47 of cylinders 48 and 46 arranged on the sides of the front stand 27 and the rear stand 56. Since the cylinders 4, 8, 4, and 6 are synchronously driven, the drive rod l7 moves up and down in a horizontal state, and the chain l5 is rotated forward and backward via the drive pawl 18. In addition, as shown in FIGS. 1 and 4, the two filter cloths 2
．． The right end portion of each rotating shaft 92.90 in FIG. It penetrates and protrudes slightly, and each has a sprocket 7 at its tip.
．． 9 is installed and these two subrockets 7.
9 is hung with an endless chain 1l. Therefore,
The two first rollers 3 and 5 are synchronously rotated in the same direction. In addition, as shown in FIGS. 1 and 4, the two filter cloths 2
．． The right end portion of each rotating shaft 93.91 in FIG. Moreover, they protrude slightly and have subrockets 8 and 1 at their tips, respectively.
0 is installed and these two subrockets 8,I
An endless chain l2 is hung on O. Therefore,
The two second rollers 4.6 are rotated synchronously in the same direction. Therefore, when the chain l5 is moved vertically by the drive rod 17 via the drive pawl l8, each of the first rollers 3.5 and the second rollers 4.6
Both are synchronously rotated in the same direction, forward and reverse. On the other hand, the front end filter plate 29 and the rear end filter plate 28 have a frame portion (
(not shown) and a filter bed part (not shown) inside thereof, but unlike each intermediate filter plate l described above, the stock solution supply hole (not shown) is formed in a long length along the vertical direction. has not been done,
It is formed in a circular shape, for example, at the center of the filter bed. Further, the front surface of the front filter plate 29 is in contact with the front stand 27, so the front surface does not function as a filter bed, and only the rear surface functions as a filter bed. Further, the front end filter plate 29 and the intermediate portion adjacent thereto. No open frame link rod is provided between I and plate I. On the other hand, the rear end filter plate 28
The rear surface is in contact with the movable plate 26, so the rear surface does not function as a filter bed, and only the front surface functions as a filter bed. Also, between the rear end filter plate 28 and the intermediate filter plate l adjacent to the front side thereof, open frame link rods 19, . . . , 19 are provided.
is provided, and one end of each open frame link rod l9 is connected to the intermediate filter plate 1.
However, the other end of each open frame link rod 19 is not attached to the rear end filter plate 28, and the bin 40 is attached to the movable plate 26 to which the rear end filter plate 28 is fixed. It is attached with. Further, as shown in FIG. 6, support frames 30 each having a substantially U-shaped longitudinal section are provided at the upper and lower ends of the rear end filter plate 28.
．． 31 is attached. A bracket 99.9 is attached to the bottom wall of the upper support frame 30 of these two support frames.
A filter cloth 80 disposed in front of the rear end plate 28 via 9
A suspension support rod 50 that suspends and supports the upper end of the is supported. Moreover, one rotating shaft 52 is rotatably supported above the hanging support rod 50. Further, the filter cloth 80 is attached to the bottom wall of the lower support frame 3l of the two support frames.
Each end of a holding rod 51 that holds the lower end of is attached via a coil spring 54, respectively. Further, a rotary shaft 55 to which a filter cloth beating rod 53 is attached is rotatably supported below the holding rod 5l. The left end in FIG. 6 of each rotary shaft 5 2.5 5 supported by each support frame 30.31 of the rear end filter plate 28 corresponds to the left end wall of each support frame 30.31 in FIG. Sprockets 34.35 are attached to the tips of the two sprockets 34.35.
An endless chain 36 is hung from the chain 35. Therefore, the two rotating shafts 52.55 are synchronously rotated in the same direction. This chain 36 has upper and lower ends attached to each of the support frames 30.31 and a second
It is housed in a chain cover 41 that has a notch 41a along the vertical direction on the near side in the figure. Further, a drive pawl 98 of the drive rod l7 is engaged with the chain 36 through the notch 41a of the chain cover 41. When the chain 36 is moved along the vertical direction together with the drive pawl 98, the two shafts 52 and 55 are rotated in the same direction in synchronization, and the filter cloth tapping rod 53 is rotated to rotate the filter cloth tapping rod 53. The filter cloth 80 placed on the front side of the end filter plate 28 is repeatedly struck to give vibration to the filter cloth 80. At this time, each end of the holding rod 5l that holds the lower end of the filter cloth 80 is attached to the bottom wall of the lower support frame 3l via each coil spring 54, so that the coil spring 54 expands and contracts. As a result, the vibration is amplified and transmitted to the entire cloth 80. On the other hand, the filter cloth (
(not shown) may be suspended and supported in the same manner as the filter cloth 80 is suspended and supported on the front side of the rear end filter plate 28. In addition, from the structure for applying vibration by hitting the filter cloth suspended and supported on the rear side of the front end filter plate 29, the cloth 80 suspended and supported on the front side of the rear end filter plate 28 is hit and vibrated. It is provided in the same manner as the one given. In FIG. 2, 32.33 is a support frame, 42.43 is a sprocket attached to each shaft (not shown) rotatably supported by the support frame 3, 2.3, 3, 44 is a chain, and 45 is a chain force bar, and 45a is a notch formed in the chain cover 45. Furthermore, this chain 45 is equipped with a chain cover 45.
A driving pawl (not shown) of the operating rod l7 is locked through the notch 45a. In addition, as shown in FIGS. 7 and 8, each intermediate filter plate l
The two filter cloths 2.83 facing each other with the filter cloth 2.83 are each made of a long strip of cloth, and a circular stock solution supply port is provided at the center in the longitudinal direction and in the width direction perpendicular to the long direction. 2a and 83a are formed, respectively. Further, the surrounding portions of the stock solution supply ports 2a and 83a of these two filter cloths 2 and 83 are connected to each other by being sewn to each end of the cylindrical connecting cloth 25. In addition, as shown in FIG.
With the cylindrical connecting cloth 25 serving as the connecting portion of a being inserted into the stock solution supply hole 1a of each of the intermediate filter plates 1, the respective upper and lower end portions are connected to each of the l-th rollers 3.5 and the above. It is held by being wound around each of the second rollers 4 and 6. Further, the filter cloth 80 disposed on the front side of the rear end filter plate 28 is composed of two filter cloths 2.8 facing each other with the intermediate filter plates l interposed therebetween.
It is made of a shorter cloth than No. 3, and has a circular stock solution supply port (not shown) formed approximately in the center thereof. This filter cloth 8
0, the upper end and the lower end are fixed to the surrounding part of the stock solution supply hole of the rear end filter plate 28 with a ring-shaped filter cloth fastener (not shown), for example. A hanging support rod 50 and a holding rod 511 are supported by the bottom walls of support frames 30 and 31 attached to the upper and lower ends of the rear end filter plate 28, respectively. Further, a filter cloth (not shown) disposed on the rear side of the front end filter plate 29 has the same shape as the cloth 80 disposed in front of the rear end filter plate 28. is the rear end filter plate 28
The front end filter plate 29 is suspended and supported on the front side of the
It is suspended and supported on the rear side. Here, each of the above-mentioned l-th rollers 3.5 and each of the above-mentioned second rollers 4
．． 6. Above subrocket 7・, 8, 9, 1 01 3,
1 4, the above chains 11, 12, 15, the above drive claw l
8, the drive rod 17, the two cylinders 48, 46,
and the piston rod 4 of each cylinder 4 8.4 6
Reference numerals 9 and 47 constitute filter cloth moving means according to this embodiment. Also, among them, the above subrockets 7, 8, 9, 10,
1 3, 14, the above chain 1 1, 1 2, 1 5,
The driving claw l8, the driving rod l7, the two cylinders 48, 46, and the piston rods 49, 47 of each cylinder 48, 46 move the first roller 3.5 and the second roller 46 in the forward and reverse directions. This serves as a driving means for driving in the direction. According to the filter press, the drive rod l7 is the second
All above chain force bars 44.16 as shown
,・,1 6.4 1 notch 44a, +6a,・・
・When the filter cloths 16a and 41a are located at the lower end position, the vertical intermediate position, and the upper end position in FIG.
3 each stock solution supply port 2a. The cylindrical connecting cloths 25 between 83a are positioned at the lower end, the vertically intermediate portion, and the upper end of the stock solution supply hole 1a of each intermediate filter cloth 1, and therefore, the stock solution supply type between adjacent filter plates is They are bottom feed type, center feed type, and top feed type. According to the above configuration, for example, when the stock solution supply type is set to the center feed type, the movable plate 26 is advanced and the intermediate filter plate l.・・・． l and the rear end filter plate 28
After tightening everything to the front end filter plate 29 side to close the frame, supplying the stock solution from the stock solution supply hole of the front end filter plate 29, the main solution is transferred to the two filters facing each other with each of the intermediate filter plates l in between. Each stock solution supply port 2a of cloth 2, 83. 83a and the cylindrical connecting cloth 25 therebetween, the stock solution is supplied between the filter plates and filtered. After filtration, the movable plate 2
6 is retracted to remove the rear end filter plate 28 and the intermediate filter plate l,
・・・． 1 will be opened all at once. Furthermore, after opening the frame, by simultaneously driving the two cylinders 48 and 46 to move the drive rod 17 up and down, all the chains 44 and 1
5, . Vibration occurs in each filter cloth, and the two filter cloths 2.83 facing each other across each intermediate filter plate l move simultaneously in the same direction along the vertical direction, causing vibration in each filter cloth 2.83. do. Therefore, the cake attached to each of the filter cloths 2, 83, 80 can be effectively dropped from the filter cloths. Furthermore, when the two cylinders 48 and 46 are driven to move the drive rod l7 to the upper end position, each stock solution supply hole 2a of the two filter cloths 2 and 83 facing each other with the intermediate filter plate 1 in between, Since most of the upper part from 83a can be gradually taken out above each intermediate filter plate l, most of the upper part can be easily and reliably washed. Conversely, when the two cylinders 48 and 46 are driven to move the drive rod 17 to the lower end position, the two filter cloths 2
．． 83 stock solution supply holes 2a. Since most of the area below 83a can be gradually taken out below each intermediate filter plate l, most of the area below can be easily and reliably washed. Therefore, almost the entirety of each of the filter cloths 2.83 can be easily and reliably washed. Furthermore, in the filter press, filtration can also be performed with the two cylinders 48 and 46 driven to change the limb supply type from the center feed type to the top feed type or the bottom feed type. . In these cases, when the primitive limb is supplied from the stock solution supply hole of the front end filter plate 29 after the filter plate frame is closed, the primitive limb is connected to the front end filter plate 29 and the intermediate filter plate l adjacent thereto. It is first supplied into a filter chamber between a pair of filter cloths. In the top-feed type, when this filter chamber is almost filled with the stock solution, it is supplied into the next filter chamber through the stock solution supply ports 2a, 83a of the filter cloths 2, 83. On the other hand, in the bottom feed type, the front end filter plate 29 and the intermediate filter plate l adjacent thereto
When the original precepts accumulate in the lower part of the filter chamber between the filter cloth 2
, 83, the original solution is supplied into the next filter chamber through the stock solution supply ports 2a, 83a. When the above-mentioned limb supply type is the above-mentioned top-feed type, when the filter plate frame is opened, the lower ends of the two filter cloths 2, 83 facing each other with the intermediate filter plates 1 in between are connected manually or by a drive device, for example. By applying vibration, the whole of each filter cloth 2, 83 can be vibrated, and the cake can be dropped from each filter cloth 2, 83. Also, is the above stock solution supply type the above bottom feed type? In this case, when the filter plate frame is opened, the upper ends of the two filter cloths 2.83 facing each other with each intermediate filter plate 1 in between may be vibrated manually or by a drive device. cloth 2
．． 83 can be vibrated as a whole, and each filter cloth 2.8
3, the cake can be dropped. As described above, according to the filter press according to the present embodiment, the filtration bed portion 1c of each of the intermediate filter plates 1 is connected to the filtration bed portion 1c of each intermediate filter plate 1 without replacing the device.
can be changed as appropriate. The present invention is not limited only to the above-mentioned embodiments,
It can be implemented in various other ways. For example, in the above-described embodiment, the stock solution supply hole 1a of the intermediate filter plate 1 was formed along the vertical direction within the filter bed portion 1c, but the stock solution supply hole 1
a may be formed along an arbitrary direction within the filter bed portion 1c, and the two filter cloths 2, 83 facing each other with each intermediate filter plate 1 in between may be moved along the arbitrary direction. In addition, two filter cloths 2 facing each other with each of the intermediate filter plates 1 interposed therebetween are provided.
, 83 each have a plurality of stock solution supply ports, and each stock solution supply port is movable in a predetermined direction. A plurality of stock solution supply holes are formed in the filter bed portion 1c of each intermediate filter plate l along the predetermined direction. It may be made to have an individual shape. Further, in the above-mentioned embodiment, no holes were formed in the filter bed portion 1c of each of the intermediate filter plates 1 except for the stock solution supply hole 1a. A plurality of holes may be formed. That is, for example, each of the intermediate filters 1 is placed in the filter bed section 60 inside the frame section 60b as shown in FIGS. 12 to 15.
c may be changed to a filter 60 made of a perforated plate. A long stock solution supply hole 60a similar to that in the above embodiment is formed in the filter bed portion 60c of the filter plate 60.
The outside of 0a is formed roughly into a lattice shape by a large number of frames along the vertical direction and the horizontal direction in FIG. 12. Therefore, a generally rectangular hole 60g is formed in a portion surrounded by the vertically adjacent skeletons and the horizontally adjacent skeletons. In addition, in Figures 12 and 13, 60d, 60
e is the handle, 60f is the filter limb inside the filter chamber, and the filtrate collection pipe 5 is
8.5 This is a flow path leading to 9. Alternatively, each intermediate filter plate 1 may be replaced with a filter plate 70 as shown in FIGS. 16 to 19. The upper and lower end portions of the frame 70b of the filter plate 70 in the left-right center in FIG. A long stock solution supply hole 70a along the vertical direction is formed between the holes 70e. The outside of the stock solution supply hole 70a of the filter bed part 70c provided inside the frame part 70b is spaced at a distance larger than the frame constituting the filter bed part 60c of the I1 top plate 60 shown in FIGS. 12 to 15. The structure is formed into a roughly lattice-like structure by the vertical and horizontal frameworks. Therefore, a generally rectangular hole 70j is formed in a portion surrounded by the vertically adjacent skeletons and the horizontally adjacent skeletons. In the embodiment described above, each of the intermediate filter plates 1 is replaced with the filter plate 7 having the above structure.
If changed to 0, the above two cylinders 48.46
When changing the limb supply type from the bottom feed type to the top feed type by driving the
Since all the upper parts can be gradually taken out above each filter plate 70, all the upper parts can be easily and reliably washed. In addition, the two cylinders 4C and
8. When changing the stock solution supply type from the top feed type to the bottom feed type by driving 46,
Since the entire lower part of the two filter cloths 2, 83 can be gradually taken out from the respective stock solution supply holes 2a, 83a below each filter plate 70, all the lower parts can be easily and reliably washed. . Therefore, as a result, each of the filter cloths 2,
83 can be easily and reliably cleaned. Such an effect can be achieved by forming the upper and lower ends of the frame portion 1b of the intermediate filter plate l in the above-described embodiment by making the left and right center portions in FIG. 9 project upward and downward in a roughly rUJ shape, respectively, It can also be obtained by forming the elongated stock solution supply hole 1a along the vertical direction between both of these protruding parts. In FIG. 12, 70f and 70g are handles, and 70i is a flow path for guiding the filter limb in the filtration chamber to the filtrate recovery pipe 58.59. Further, the filter bed portion 1c of each of the intermediate filter plates 1 may be formed of a net or cloth, or may be formed by appropriately arranging a plurality of rods. Further, regarding the front end filter plate 29 and the rear end filter plate 28, their filter bed portions may be constructed of a perforated plate, a net or cloth, or may be constructed by appropriately arranging a plurality of rods. may be configured. In addition, in the above embodiment, two rollers 3, 5: 4, 6 were provided above and below each of the intermediate filter plates l, but only one roller was provided above each of the intermediate filter plates l. The upper ends of the two filter cloths 2, 83 facing each other with the intermediate filter plates l in between are held by the rollers, and the upper ends of the filter cloths 2 and 83 are simultaneously wound up and rewound. It is also possible to provide only one roller, and use this roller to hold the lower ends of the two filter cloths 2.83 and simultaneously wind up and unwind them. Further, in the above embodiment, all the chains 44.16, . . . , 16.36 are driven simultaneously by the two sorings 48.46 via the drive rod l7. , arbitrary driving means for driving each chain 4416.36 may be provided separately for each filter plate 29, 1.28ffl, and each chain 4416.36 may be driven separately. Further, in the above-described embodiment, each first port 3, 5 and each second port disposed above and below each intermediate filter plate l is
Although the rollers 4 and 6 are all rotated synchronously, means for driving each of the first rollers 3.5 and each of the second rollers 4 and 6 are separately provided to rotate each of the first rollers 3.
．． 5 and the second rollers 4 and 6 are separately driven. In addition, in the embodiment described above, the first rollers 3 and 5 and the Each second roller 4, 6 is provided, and the upper end and lower end of each of the two filter cloths 2.83 facing each other with the intermediate filter plate l in between are the respective first rollers 3, 5 and the respective second rollers. 4 and 6, but only above each intermediate filter plate 1 is the 2
The lower ends of the two filter cloths 2.83 are held as free ends, and the upper ends of the two filter cloths 2, 83 are held by the rollers, and the rollers are driven in forward and reverse directions. A drive means may be provided to move the two filter cloths 2, 83 in the vertical direction. In addition, two filter cloths 2 facing each other with each of the intermediate filter plates l interposed therebetween are provided.
. By moving the two filter cloths 2, 83 along the vertical direction, the two filter cloths 2, 83 may be moved toward the end in the vertical direction. Alternatively, by providing a filter cloth hanging rod that suspends and supports the upper ends of the two filter cloths 2, 83 only above each intermediate filter plate l, and moving the filter cloth hanging rod in the vertical direction, The two filter cloths 2.83 may be moved in the vertical direction. Further, regarding the structure in which the filter cloth beating rod 53 is rotated to vibrate the filter cloth 80 by hitting the filter cloth 80 disposed on the front side of the rear end filter plate 28, the filter cloth beating rod 53 is attached. A driving means for rotating only the rod 55 is provided,
The filter cloth beating rod 53 may be rotated. The same also applies to the structure in which a filter cloth beating rod is rotated to beat the filter cloth disposed on the rear side of the front end filter plate 29 and apply vibration to the filter cloth. In addition, the surroundings of each stock solution supply port 2a, 83a of the two filter cloths 2, 83 sandwiching each intermediate filter plate l are sewn directly without using the cylindrical connecting cloth 25, and the sewn portion is It may also be used as a connecting part.

[Brief explanation of drawings]

FIG. 1 is a vertical cross-sectional rear view of one intermediate filter plate between adjacent filter plates in a filter breath according to an embodiment of the present invention;
FIG. 2 is a side view of the filter press, FIGS. 3 and 4 are enlarged left and right side views of the main parts of the filter press shown in FIG. 2, and FIG. 5 is an A-- A sectional view taken along the line A; FIG. 6 is a rear view of the left half of the filter press;
FIG. 7 is a diagram showing the relationship between the two filter cloths facing each other with the intermediate filter plate in between, and each of the first and second rollers, and FIG. 9 and 10 are a front view and a right side view of the intermediate filter plate shown in FIG. 1, respectively;
Figure 11 is a sectional view taken along the line CC in Figure 9, 12th and 1st
3 is a front view and a right side view respectively showing another embodiment of the intermediate filter plate, FIGS. 14 and 15 are sectional views taken along lines D-D and E-E in FIG. 12, respectively, and FIG. Front views showing still another embodiment of the intermediate filter plate, 17th, 18th,
And, Fig. 19 shows lines FF' and G in Fig. 16, respectively.
-G line and HH line sectional views. 1;60;70...filter plate (intermediate filter plate), 1aH6 0
a; 7 0a-stock solution supply hole, 1b. 6 0b. 7 0b
... Frame part, 1c; 6 0c; 7 0c... Filter bed part, 2 83... Filter cloth, 2a, 83a... Stock solution supply port, 3.5... First roller, 4, 6... second roller,
7, 8, 9, 10, 1 1, 12, 13, 14, 15,
17,+ 8.4 6.4 7,4 8.4 9...
Drive means (7, 8, 9, 1 0, 1 3.1 4...
Subrocket, 11, 12, l5...chain, l7
... Drive rod, l8... Drive claw, 46 48... Cylinder, 47.49... Piston rod), 25... Connection portion (cylindrical connection cloth), 70d. 70e...Protruding part of the frame. Figure 1

Claims (4)

[Claims] (1) Frame (1b; 60b; 70b) and the frame (1b
; 60b; 70b) and a filter bed portion (1c; 60c; 70c) in which stock solution supply holes (1a; 60a; 70a) are formed at predetermined locations.
;70) are arranged in parallel, and a pair of filter cloths (2, 83) each having a stock solution supply port (2a, 83a) is arranged between adjacent filter plates, and each filter plate (1; ;7
The surroundings of each stock solution supply port (2a, 83a) of two filter cloths (2; 83) facing each other with 0) in between are connected to each other, and the connection part (25) is connected to each filter plate (1; 60; In the filter press inserted into the stock solution supply hole (1a; 60a; 70a) of each filter plate (1; 60; 70), the stock solution supply hole (1a; 6
0a; 70a) is formed in a long length along a predetermined direction within the filter bed portion (1c; 60c; 70c) of each of the filter plates (1; 60; 70), and each of the filter plates (1; 60; The two filter cloths (2, 83) facing each other with the filter plate (1;
60; 70) along the above-mentioned predetermined direction to connect the stock solution supply ports (2a, 83a) of the two filter cloths (2, 83).
) to the connecting part (25) of the stock solution supply hole (1a; 60
a; 70a); A filter press characterized in that it is equipped with means for moving the filter cloth along the predetermined direction. (2) Stock solution supply hole (1
a; 60a; 70a) is formed in a long length along the vertical direction of each of the filter plates (1; 60; 70), while the filter cloth moving means A first roller (3
, 5), and a second roller (1) disposed below each filter plate (1; 60; 70) that holds the lower end portion of each filter cloth (2, 83) and is capable of winding and unwinding. 4, 6), each of the first rollers (3, 5), and each of the second rollers (4, 6).
) in the forward and reverse directions synchronously.
, 9, 10, 11, 12, 13, 14, 15, 17, 1
8, 46, 47, 48, 49), and the driving means (7, 8, 9, 10, 11, 12, 13, 14, 15,
17, 18, 46, 47, 48, 49) to drive each of the first rollers (3, 5) and second rollers (4, 6), the filter plates (1; 60; 70) ), the two filter cloths (2, 83) facing each other are moved together in the same direction along the vertical direction,
) of each stock solution supply port (2a, 38a) to the stock solution supply hole (1a; 60) of each filter plate (1; 60; 70).
The filter press according to claim 1, wherein the filter press is moved in the vertical direction within the filter press. (3) The frame portion (70b) is attached to each filter plate (70) at corresponding predetermined portions of the upper and lower ends of each filter plate (70).
0) is formed so as to protrude upward and downward from the other parts of the upper and lower ends, respectively, in a roughly "U" shape, and the stock solution supply hole (70a) is connected to both of these protruding parts (70d).
, 70e) along the vertical direction. (4) The filter bed portion (60c;
4. The filter press according to claim 1, wherein 70c) is a perforated plate.