JPH10272310A - Filtration apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily install a filter unit and a brush unit in the inside of a filtration apparatus. SOLUTION: Holes 104, 105 for bearings are formed in side plates in both end parts of a cylindrical casing 101 and a pair of journalling part 1120, 1121 of a filter unit 1100 are inserted into and journalled with the holes for bearings in rotatable manner. Relative positioning of a plurality of filter units 1100 is carried out by a disk 401 which is a first positioning member. Relative positioning of a plurality of filter units and a plurality of brush units is carried out by a second positioning member 501 which is engaged with the disk and journals the brush units 1211. A Y-shaped positioning member which is a third positioning member to be engaged with the second positioning member and fixed in the casing is installed. A plurality of filter units and a plurality of brush units are precisely positioned in relation to the casing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter,
In particular, the present invention relates to a filter in which a plurality of exchangeable filtration units are incorporated in a vessel to perform filtration.

[0002]

2. Description of the Related Art FIG. 11 shows an example of a conventionally used filtering unit. In this filtration unit 1100, a filtration cylinder 1101 and a core cylinder 1102 of the same length are superposed concentrically on the inside and outside, and annular caps 1103 and 1104 are fitted to both ends of the two cylinders, respectively, and are hermetically supported. A hollow journal portion 1120 protrudes from the cap portion 1104 at one end. A solid journal portion 1121 protrudes from the cap portion 1103 at the other end, an O-ring groove 1122 (two rows) is engraved on the outer periphery of the solid journal portion 1121, and a rotation is made at the tip end. A motion transmitting section, for example, a prism section 1123 is protruded. The core cylinder 1102 is provided with several holes 1105.
The undiluted solution is filtered when it permeates from the periphery of the filtration cylinder 1101 to the inside, and the filtrate after filtration passes through the hole 1105 and flows from the inside of the core cylinder 1102 to the hollow journal 1120 by an arrow A.
It is discharged like.

FIG. 12 shows a filtration unit 1100 shown in FIG.
1 shows a filter equipped with. Cylindrical casing 1
Side plates 1202 and 1203 are hermetically fixed to both ends of 201. These side plates 1202 and 1203 are provided with bearing holes 1204 and 1205, respectively.
121 is rotatably inserted and supported in bearing holes 1204, 1205 of these side plates 1202, 1203. Groove 1 engraved on the peripheral surface of solid journal 1121
An O-ring for sealing is fitted in 122.
On the other hand, on the hollow journal portion 1120 side, an O-ring for sealing is fitted into a groove formed on the inner peripheral surface of the hole 1204 of the side plate 1202. The stock solution is introduced into the casing from the stock solution introduction hole 1206 opened in the casing 1201 as shown by the arrow B. Then, as described with reference to FIG. 11, it is filtered when it permeates from the periphery of the filtration cylinder 1101 to the inside, and is discharged from the opening of the hollow journal 1120 as shown by the arrow C. The discharged filtrate is collected in a filtrate collecting tank 1208 formed by the side plate 1202 and the tray 1207 fixed along the periphery thereof,
Is discharged as indicated by an arrow D from a discharge port 1209 provided in the.

When such a filter is used for a certain period, the outer peripheral surface of the filter unit 1100 shown in FIG. 11 is clogged. Therefore, the filter of FIG. 12 is provided with a mechanism for eliminating clogging by scraping off and renewing the outer peripheral surface of the filter unit 1100 in the container with a spiral brush or a blade. Hereinafter, this mechanism will be described.

[0005] Reference numeral 1211 in FIG. 12 denotes a brush unit provided at the center line of the cylindrical casing 1201. The brush unit 1211 includes a cylindrical portion 121 serving as a core.
2 and a cylindrical portion 1 with a brush fixed to the cylindrical portion 1212
213. A cylindrical concave portion 1214 is provided on the side plate 1202 side of the cylindrical portion 1212,
2 (a side plate 12 which is circular when viewed from the direction of arrow E)
02 (center of 02) is engaged with the cylindrical projection 1215 and is axially supported. The side plate 1203 side of the cylindrical portion 1212 is a journal portion 1216,
An O-ring for sealing is fitted in a groove 1217 formed on the peripheral surface of the seal 16. The journal part 1216
Are rotatably inserted and supported in bearing holes provided at the center of the side plate 1203 (the center of the side plate 1203 which is circular when viewed from the direction of arrow E). Further, for example, a square concave portion 1218 for transmitting a rotational motion is provided at a tip end of the journal portion 1216. Filtration unit 110
Six zeros are provided around the brush unit 1211 (at equal intervals on a circle centered on the brush unit 1211 when viewed from the direction of arrow E).

[0006] The gear train section 1230 is for giving rotational movement to the brush unit 1211 and the six filtration units 1100, and is disposed outside the side plate 1203. The gear train section 1230 is provided with a drive shaft 1231 having at one end a prism section 1232 to be inserted into a square recess 1218 of the journal section 1216 of the brush unit 1211.
And several gears and a pinion for transmitting the rotational movement of the drive shaft to the solid journal portion 1121 of the filtration unit 1100. In particular, the connection between the pinion 1234 and the solid journal 1121 is
The first prism 1123 is inserted into a square recess 1235 formed in the pinion 1234. Thereby, the drive shaft 123
1 is rotated by some means, the prism 1232
The brush unit 1211 rotates through the angular recess 1218 and the angular recess 1218, while the rotational movement of the drive shaft 1231 is
34, and further into the square recesses 1235 and the prism portions 112.
3 to the filtration unit 1100. The direction of rotation is determined by the brush unit 1211 and the filtration unit 110.
0 rotates in the same direction, and the filtration unit 110 is
The direction is such that the peripheral surface of 0 is scraped off.

[0007]

By the way, in the above-mentioned filter, the filter unit 1100 and the brush unit 1211 are removed and re-attached at the time of water leakage or inspection and maintenance. To remove the filter unit 1207 and the side plate 1202 in FIG.
100 and the brush unit 1211 are pulled out. When mounting, the filter unit 1100 and the brush unit 1211
Is inserted into the bearing hole 1205 of the side plate 1203 so that the prismatic portion 1123 and the prismatic recess 1218 are inserted into the prismatic recess 1235 and the prismatic portion 1232 of the gear train portion 1230 (the O-ring is inserted into the groove 112 of the filtration unit 1100).
2 and the groove 1217 of the brush unit 1211), the side plate 1202 and the tray 1207 are attached,
The configuration shown in FIG.

[0008] The mounting of the filtration unit 1100 and the brush unit 1211 is performed manually, but there is a problem that the operation is troublesome for the following reasons. That is, it is easy to insert the filtration unit 1100 and the brush unit 1211 one by one into the bearing holes 1205 of the side plate 1203, but after insertion, the filtration unit 1100 and the brush unit 1211 are moved downward by their own weight. Lean. Also, the brush unit 1211
The filter provided around the filter unit 1100
At the same time, the filter unit 1100 works to open. As a result, when viewed from the direction of arrow E in FIG.
Since the filtration unit 1100 around the center 11 is expanded so as to open the petals, the side plate 120 is opened.
2 is attached, the cylindrical projection 1215 of the side plate 1202 is mounted.
Into the cylindrical recess 1214 of the brush unit 1211 and the journals 1120 of the plurality of filtration units 1100 into the bearing holes 1204 to insert the side plate 12.
The work of pushing in 02 was troublesome.

In particular, when the casing 1201 is enlarged to incorporate a large number of brush units and filtration units in order to improve the performance of the filter, the weight of the side plate 1202 itself is added in addition to the above circumstances. The mounting of the side plate 1202 is a very difficult task because it becomes heavier.

The present invention has been made in view of the above-mentioned problems in the conventional type, and in a filter in which a filter or the like is shaved off with a brush or the like to eliminate the clogging and renewed, a filter unit and a brush unit are installed in a vessel. An object is to enable easy mounting.

[0011]

In order to achieve this object, the invention according to claim 1 comprises a casing having openings at both ends, a side plate hermetically fixed to both ends of the casing, and A plurality of cylindrical filtration units disposed inside the casing and having journals at both ends, the journals being supported by bearing holes drilled in side plates at both ends of the casing. With a filtering unit rotatably supported by being provided, and a cylindrical shaving member disposed around the casing and having a shaving member for shaving off and renewing the outer peripheral surfaces of the plurality of filtering units around the periphery, Unit, and the raw liquid introduced from the raw liquid introduction hole opened in the casing is permeated from the periphery of the filtration unit to the inside to be filtered, and the filtration unit is provided. A first positioning member provided with a hole for relatively positioning the plurality of cylindrical filtration units on a side of one of the side plates inside the casing in a filter discharged from a journal portion at one end. Are disposed so that the journals of the respective filtration units are loosely inserted into the holes, and the plurality of filtration units and the unit with a shaving member aligned by the first alignment member are relatively positioned. And a second positioning member which is locked to the first positioning member and supports one end of the unit with the shaving member is provided, and the first and second positions are arranged. The first and second alignments are performed to align the plurality of filtration units and the unit with a shaving member, which are aligned by an alignment member, with respect to the casing. It locked either one of the allowed member, the third being fixed to said casing
The positioning member is disposed.

The invention according to claim 2 provides a casing having openings at both ends, a side plate sealed and fixed to both ends of the casing, and a casing disposed inside the casing and having both ends. A plurality of cylindrical filtration units having journal portions, wherein the journal portions are rotatably supported by being pivotally supported by bearing holes formed in side plates at both ends of the casing. And a unit having a cylindrical shaving member, which is disposed inside the casing and has a shaving member around the outer peripheral surfaces of the plurality of filtration units for shaving off and renewing the filtering unit. A plurality of sets in which a plurality of filtration units are disposed around a unit with a member are arranged inside the casing, and the raw material introduced from a stock solution introducing hole opened in the casing is provided. Is filtered from the periphery of the filtration unit by infiltrating into the inside, and discharged from the journal part at one end of the filtration unit, on one side plate side inside the casing, for each of the sets, A first positioning member provided with a hole for relatively positioning the plurality of cylindrical filtration units included therein is disposed such that the journals of the respective filtration units are loosely inserted into the holes. In order to relatively align the plurality of filtration units and the unit with a shaving member, which are aligned by the first alignment member, for each of the sets, the first alignment member is A second positioning member that is locked and axially supports one end of the unit with the shaving member is provided, and the respective sets of the respective sets that are positioned by the first and second positioning members are arranged. In order to align several filtration units and the unit with a shaving member with respect to the casing, a third alignment fixed to the casing by being locked to the second alignment member of each set. A member is provided.

The above-mentioned shaving member is a spiral brush or a blade.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view of a filter 100 according to the present invention, and FIG. 2 is a front view of the filter 100 of FIG. In each case, a part is shown by seeing through the inside. Since the basic configuration of the filter 100 of FIG. 1 has many portions common to the conventional example of FIG. 12, the common portions are denoted by the same reference numerals. In particular, the filtering unit 1100 and the brush unit 1211 used are the same as those described in the conventional example.

That is, the filter 100 comprises a cylindrical casing 101 and side plates 102 and 103 hermetically fixed to both ends. The side plates 102 and 103 are provided with bearing holes 104 and 105, respectively, and a pair of journal portions 1120 and 1121 of the filtration unit 1100 are provided.
Are holes 104 for bearings of these side plates 102, 103,
105 is rotatably inserted and supported. O-ring
On the side plate 103 side, the filter unit 1100 is fitted into a groove formed on the peripheral surface of the solid journal portion 1121 and the side plate 1
On the 02 side, it is fitted in a groove formed in the inner peripheral surface of the hole 104 of the side plate 102 as in the conventional example. The undiluted solution is introduced into the casing from the undiluted solution introduction hole 106 opened in the casing 101 as shown by an arrow G, and is filtered when permeating into the inside from the periphery of the filtration unit 1100,
It is discharged as indicated by arrow H from the opening of the hollow journal 1120. The discharged filtrate is collected in a filtrate collecting tank 108 formed by the side plate 102 and a tray 107 fixed along the periphery thereof, and is discharged from a discharge port 109 provided in the tray 107 as shown by an arrow I. .

In the front view of FIG.
A bolt for fixing the tray 2 and the tray 107 to the casing 101; 202, an arm provided on the tray 107;
203 is an arm provided on the casing 101, 204
Denotes an arm provided on the side plate 102, and 205 denotes an arm provided on the casing 101. Tip of arm 202 of pan 107 and arm 20 of casing 101
Holes are provided at the distal end of each of the holes 3, and support bolts are inserted into these holes to pivotally support the holes. Thus, after all the bolts 201 are removed, the tray 107 is opened to the right in FIG. 2 without requiring much force. Similarly, at the tip of the arm 204 of the side plate 102 and the tip of the arm 205 of the casing 101,
Holes are provided, and support bolts are inserted into these holes to rotatably support. Thereby, the saucer 1
07 to the right, and without the need for much force,
2 can be opened to the left of FIG.

Since one end of the filtration unit 1100 is supported by a hole 104 formed in the side plate 102,
In order to open the side plate 102 to the left, in FIG.
Is pulled out slightly forward (upward perpendicular to the plane of the paper of FIG. 2, slightly to the right in FIG. 1) to remove the journal portion 1120 of the filtration unit 1100 from the bearing hole 104 of the side plate 102, and then open it to the left. To Arms 204, 2
It is assumed that the shaft support portion 05 is capable of such movement. Reference numeral 211 denotes a handle fixed to the tray 107 used to open the tray 107 to the right, 21
Reference numeral 2 denotes a handle fixed to the side plate 102 used when the side plate 102 is pulled out and opened to the left.

In FIG. 2, reference numerals 211-1 to 211-3 denote the positions of the brush units 1211. 221-1 to 221-6 arranged around the positions 211-1 to 211-3 of the brush units 1211, respectively. , 222-1 ~
222-6, 223-1 to 223-6 are filtration units 1
The position of 100 is shown. That is, when viewed from the front as shown in FIG. 2 (from the direction of arrow F in FIG. 1), the filtrate outlet 10
Three brush units 1211 are arranged at equally spaced positions 211-1 to 211-3 around the center 9, and six filtration units 1100 are provided around each brush unit 1211 in the same manner as described with reference to FIG. It is arranged. Therefore,
Filtration can be performed by a total of 18 filtration units 1100. The configuration of one brush unit 1211 and the six filtration units 1100 around it is the same as that described with reference to FIG.

The gear train section 130 shown in FIG. 1 is a gear train section of a set composed of one brush unit 1211 and six filter units 1100 around the brush unit 1211. The gear train section shown in FIG. The configuration is the same as that of the train portion 1230. In FIG. 1, one brush unit 1211 and six filtration units 1100 around it are provided.
Are provided, but the gear train of each set has the same configuration. Since it is necessary to perform the operation of scraping and updating the outer peripheral surface of the filtration unit described in FIG. 12 in each of the three sets, the gear train unit 1 of each set is required.
In order to impart rotational movement to the drive shaft of the
And a gear train 132.

Next, the filter unit 1100 and the brush unit 1211 in the filter having the above-described configuration are used.
The procedure for mounting is described. FIG. 3 shows the filter 1 of FIGS.
00 shows a state in which the tray 107 and the side plate 102 are opened to the left and right, and the three brush units 1211 and the eighteen filtration units 1100 in the container are all removed (as viewed from the front as in FIG. 2). The side plate 103 can be seen at the back of the cylindrical casing 101. 311-1 to 311-3 are journal portions 121 of the brush unit 1211 respectively.
6 is a bearing hole for inserting and supporting the bearing. 321-1
~ 321-6, 322-1 ~ 322-6, 323-1 ~
Reference numerals 323-6 denote bearing holes (105 in FIG. 1) for inserting and journaling the journal portion 1121 of the filtration unit 1100, respectively.

First, from the state shown in FIG. 3, three brush units 1211 are inserted into the bearing holes 311-1 to 311-3 of the side plate 103, and the bearing holes 31-1 of the side plate 103 are further inserted.
21-1 to 321-6, 322-1 to 322-6, 32
The 18 filtration units 1100 are inserted into 3-1 to 323-6. In this state, as described in the section of the related art, the inserted brush unit 1211 and the filtration unit 1
100 is tilted downward by its own weight as a whole, and the filter unit 1100 around the brush unit 1211 is pushed out so that the petals open.
Therefore, it is difficult to push the side plate 102 as it is.

Therefore, first, one brush unit 121 is used.
In order to relatively position the six filtration units 1100 around 1, a disc (first positioning member) 401 for positioning the filtration units in FIG. 4 is used (FIG. 4 is an enlarged view of FIG. 4). Shown). The disk 401 has a hole 404 through which the brush unit 1211 penetrates at the center, and holes 411-1 to 411-6 for inserting and positioning the six filtration units 1100. Reference numerals 402 and 403 are holes for inserting pins 504 and 505 of a member 501 described later with reference to FIG.

The disk 401 is inserted into the holes 321-1 to 321 in FIG.
In the six filtration units 1100 inserted in 321-6,
Journal unit 1120 of those filtration units 1100
Are arranged so as to penetrate the holes 411-1 to 411-6, respectively. Similarly, the holes 322-1 to 322- in FIG.
6, six filtration units 1100 inserted in FIG.
Each of the six filtration units 1100 inserted into the holes 323-1 to 323-6 is also provided with the disk 401 of FIG. The position and size of each of the holes 411-1 to 411-6 of the disc 401 are determined by the journal portion 11 of the filtration unit 1100.
After the insertion of the filter unit 20, the relative positions of the six filtration units 1100 are substantially aligned, and after the side plate 102 is pushed in and fixed later, the filtration units 110
The size has a play that does not hinder the rotation of zero. Therefore, by disposing the disk 401, the six filtration units 1100 of each set are relatively aligned.

Next, a brush unit positioning member (second positioning member) 501 shown in FIG. 5 is provided. FIG. 5B is a front view of the member 501, and FIG. 5A is a sectional view taken along the line JJ of FIG. 5B. This member 501 is provided with a columnar projection 502 at the center of a long plate and pins 504 and 505 at both ends of the plate. A recess 503 is provided inside the protrusion 502. The two pins 504 and 505 have positions and sizes that can be inserted into the two holes 402 and 403 of the disk 401 in FIG. As described with reference to FIG. 4, after the disc 401 is provided and the six filtration units 1100 of each set are relatively positioned, the member 501 of FIG. 5 is provided. When arranging,
The two pins 504 and 505 of the member 501 are inserted into the holes 402 and 403 of the disc 401, and
The brush unit 1211 is disposed such that the center protrusion 502 is inserted into the recess 1214 of the brush unit 1211. Protrusion 50
2 is inserted into the concave portion 1214 and the brush unit 121 is
1 is rotatably supported. In particular, the member 501
Are provided as described above so that the position of the brush unit 1211 with respect to the six filtration units 1100 is adjusted. That is, by disposing the member 501, the brush unit 1 is positioned at the center of the six filtration units 1100 of each set.
Positioning is performed so that 211 is positioned.

As described above, each set of six filtration units 1
100 and the brush unit 1211 are relatively positioned. FIG. 7 shows a state where the disk 401 of FIG. 4 and the member 501 of FIG. 5 are arranged in one set of units.
FIG. 8 shows a state where the disk 401 and the member 501 are provided in each of the three sets.

In the state shown in FIG. 8, the six filter units 1100 and the brush unit 1211 in each set are relatively aligned, but still tilt downward due to their own weight. Therefore, final positioning is performed using the Y-shaped member (third positioning member) 601 in FIG. FIG. 6B is a front view of the Y-shaped member 601 and FIG.
FIG. 6B is a sectional view taken along the line KK of FIG. This Y-shaped member 6
Reference numeral 01 includes a triangular main body 611 and three arms 612 fixed to the main body 611. Triangular body 6
11 is provided with a pin 613 at each corner, and each arm 6
Holes 621 to 623 are provided at the ends of the twelve. 615
When the member 601 is disposed, the filtration unit 1
A hole through which 100 journal portions 1120 pass. After disposing the disk 401 and the member 501 as shown in FIG. 8 as described above, the concave portion 503 at the center of each set of the members 501 is formed.
The Y-shaped member 601 is arranged so that the pin 613 of the Y-shaped member 601 in FIG. Then, tab portions 301 to 30 provided on the inner peripheral surface of the casing 101
The holes 621 to 623 of the Y-shaped member 601 are aligned with the holes of No. 3 and fixed with bolts. As a result, each unit that has been inclined downward by its own weight as a whole is accurately positioned with respect to the casing 101.

FIG. 9 shows a state where the Y-shaped member 601 is provided. In this state, the side plate 102 is pushed in. FIG.
Indicates a side surface and a front surface of the side plate 102. A hole 104 is provided in which the hollow journal portions 1120 of the 18 filtration units 1100 are inserted and axially supported. An O-ring for sealing is fitted in a groove formed on the inner peripheral surface of each hole 104. In FIG. 10, the arm 2 explained in FIG.
04 is omitted, but the side plate 1 opened to the left is actually
02 may be returned and pushed into the casing 101 in the state of FIG. The position of the axis of the 18 filtration units 1100 with respect to the casing 101, ie, the journal 112
Since the position of “0” is correctly aligned, if the side plate 102 opened to the left is returned, each journal 112
0 and each hole 104 are accurately aligned. In this state, the side plate 102 may be pushed in. After that, the tray 107 opened to the right is returned and fixed with bolts 201 as shown in FIG.

FIG. 1 shows a state in which a disk 401, a member 501, and a Y-shaped member 601 are arranged near the side plate 102 in FIG.
In addition, since FIG. 1 is a side view, a tab 30
2 is not provided, but Y-shaped members 601
The tab portion 302 is shown at the top of FIG. 1 to show how the arm portion 612 is fixed.

In the embodiment of the invention described above, the side plate 102
And the tray 107 is attached to the casing 101 so as to open left and right. However, the tray 107 may be detached completely. Since the positioning of the plurality of filtration units 1100 is accurately performed, even when the separate side plate 102 is manually attached, the position can be easily adjusted and pushed in. Also, the side plate 102 and the tray 107
And may be integrated. Further, in the above-described embodiment of the present invention, an example has been described in which one brush unit 1211 and six filtration units 1100 are one set and three units are disposed inside the casing 101. The number of units 1211 and the number of filtration units 1100, as well as the configuration of one set and the number of sets, are not limited thereto.

[0031]

As described above, according to the present invention, the relative positioning of a plurality of filtration units is performed by the first positioning member, and the plurality of filtration units are controlled by the second positioning member. The relative positioning with the unit with the shaving member is performed, and the positioning of the plurality of filtration units and the unit with the shaving member and the casing is performed by the third member. Therefore, the casing and the plurality of filtration units and the unit with a shaving member can be accurately aligned, and as a result, when mounting the side plate, it is possible to position the filtration unit and the bearing hole of the side plate without trouble. As a result, the filtration unit and the unit with the shaving member can be easily mounted in the vessel.

[Brief description of the drawings]

FIG. 1 is a side view of a filter according to the present invention.

FIG. 2 is a front view of the filter of FIG. 1;

FIG. 3 is a front view showing a state where a brush unit and a filtration unit in the vessel are all removed.

FIG. 4 is a diagram showing a disk for positioning a filtration unit.

FIG. 5 is a view showing a member for positioning the brush unit.

FIG. 6 is a view showing a Y-shaped member.

FIG. 7 is a view showing a state in which the disk shown in FIG. 4 and the members shown in FIG. 5 are arranged in one set of units;

FIG. 8 is a view showing a state where the disk shown in FIG. 4 and the members shown in FIG.

9 is a diagram showing a state where the Y-shaped member of FIG. 6 is provided.

FIG. 10 is a side view and a front view of a side plate.

FIG. 11 is a diagram showing an example of a conventionally used filtration unit.

FIG. 12 is a diagram showing a conventional filter equipped with the filter unit of FIG. 11;

[Explanation of symbols]

100: Filtering machine, 101: Casing, 102, 103
.., Side plates, 104, 105, bearing holes, 106, undiluted solution introduction holes, 107, receiving tray, 108, filtrate collection tank, 401
... Disc for positioning, 501 ... Member for positioning, 6
01: Y-shaped member for positioning, 1100: Filtration unit, 1211: Brush unit.

Claims (2)

[Claims] 1. A casing having openings at both ends, a side plate sealed and fixed to both ends of the casing, and a plurality of cylinders disposed inside the casing and having journals at both ends. A filter unit, wherein the journal unit is rotatably supported by being journaled in bearing holes drilled in side plates at both ends of the casing, and is disposed inside the casing. And a unit with a cylindrical shaving member having a shaving member for shaving off and renewing the outer peripheral surfaces of the plurality of filtration units, and a unit with a cylindrical shaving member, and introduced from the undiluted solution introduction hole opened in the casing. A filter for discharging the undiluted solution from the periphery of the filtration unit into the interior of the filtration unit and filtering the solution, and discharging the undiluted solution from a journal at one end of the filtration unit; A first alignment member provided with a hole for relatively aligning the plurality of cylindrical filtration units on one side plate side inside the cartridge, and a journal portion of each of the filtration units in the hole. Is disposed so as to be loosely inserted, and the first position is set in order to relatively align the plurality of filtration units and the unit with a shaving member, which are aligned by the first alignment member. A second positioning member that is locked to the aligning member and axially supports one end of the unit with the shaving member; and the plurality of filtration units positioned by the first and second aligning members. In order to align the unit and the unit with a shaving member with respect to the casing, the unit is locked to one of the first and second alignment members and fixed to the casing. Filter machine, characterized in that the third positioning member is disposed. 2. A casing having openings at both ends, a side plate hermetically fixed to both ends of the casing, and a plurality of cylinders disposed inside the casing and having journals at both ends. A filter unit, wherein the journal unit is rotatably supported by being journaled in bearing holes drilled in side plates at both ends of the casing, and is disposed inside the casing. And a unit with a cylindrical shaving member, which has a shaving member for shaving off and renewing the outer peripheral surface of the plurality of filtration units, and a plurality of shaving members around the unit with the shaving member. A plurality of sets each including the filtration unit are disposed inside the casing, and the undiluted solution introduced from the undiluted solution introduction hole opened in the casing is disposed around the filtration unit. A filter that discharges from the journal at one end of the filtration unit, and that, on one side plate side inside the casing, for each of the sets, a plurality of cylinders included in the set A first alignment member provided with a hole for relatively aligning the filtration units in a shape such that the journal of each of the filtration units is loosely inserted into the hole; The relative position of the plurality of filtration units and the unit with a shaving member aligned by the first positioning member is locked to the first positioning member, and the shaving is performed. A second positioning member that supports one end of the unit with the member is disposed, and the plurality of filtration units of each of the sets, which are positioned by the first and second positioning members, are cut. And a member attached unit to align with respect to the casing is locked to the second alignment member of said each set,
3. A filter comprising a third positioning member fixed to the casing.