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WO2007004264A1 - Dispositif à filtres et collecteur destiné à un dispositif à filtres - Google Patents

Dispositif à filtres et collecteur destiné à un dispositif à filtres Download PDF

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Publication number
WO2007004264A1
WO2007004264A1 PCT/JP2005/012114 JP2005012114W WO2007004264A1 WO 2007004264 A1 WO2007004264 A1 WO 2007004264A1 JP 2005012114 W JP2005012114 W JP 2005012114W WO 2007004264 A1 WO2007004264 A1 WO 2007004264A1
Authority
WO
WIPO (PCT)
Prior art keywords
header
filter
filtration device
stock solution
opening
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.)
Ceased
Application number
PCT/JP2005/012114
Other languages
English (en)
Japanese (ja)
Inventor
Kiyotaka Sugiura
Kohji Hattori
Hiroyuki Oyachi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Priority to PCT/JP2005/012114 priority Critical patent/WO2007004264A1/fr
Publication of WO2007004264A1 publication Critical patent/WO2007004264A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06—Tubular membrane modules
    • B01D63/066—Tubular membrane modules with a porous block having membrane coated passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/02—Specific tightening or locking mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2317/00—Membrane module arrangements within a plant or an apparatus
    • B01D2317/04—Elements in parallel
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration

Definitions

  • the present invention relates to a filtration device and a filtration device header that can be suitably used for liquid treatment such as water treatment, and the filtration device and filtration device in which a plurality of filters are integrated with a particularly simple structure.
  • a filtration device and a filtration device header that can be suitably used for liquid treatment such as water treatment, and the filtration device and filtration device in which a plurality of filters are integrated with a particularly simple structure.
  • a hollow fiber membrane filter is a filter element in which a plurality of hollow fibers are used as a filter medium, and has a capillary-shaped partition wall made of porous resin, and the central portion is penetrated by the partition wall.
  • a cell is formed.
  • the liquid to be treated raw solution
  • the partition made of porous resin flows into the cell penetrating the center of the hollow fiber.
  • harmful substances such as suspended substances and pathogenic microorganisms are removed in the partition wall, and the liquid flowing into the cell can be recovered as a purified treated liquid (filtrate). That is, the cell formed by the partition wall is used as a filtrate flow path for allowing the filtrate to flow through the hollow fiber membrane filter.
  • the monolithic filter 2 shown in FIG. 1 is a filter element in which a large number of cells 3 are formed using a ceramic porous body as a filter medium so that liquid flow path directions are parallel to each other.
  • This filter element has a lattice-like partition wall made of a ceramic porous body, and is separated by the partition wall.
  • a no-cam structure is formed in which a large number of cells 3 are formed.
  • the liquid to be treated raw solution
  • the liquid permeates the partition walls that also have ceramic porous body strength and flows out of the cells.
  • the cell 3 formed by the partition wall is used as a stock solution flow path for circulating the stock solution.
  • the filter element When the above filter element is used for microfiltration or ultrafiltration, the filter element is often used in the form of a filter housed in a casing.
  • the filter elements described above have a structure in which the stock solution flow path and the filtrate flow path are separated by a partition, although there is a difference between the force to use the cell as the filtrate flow path and the use of the cell as the stock solution flow path. ing. Therefore, the filter element is housed in the casing and the filtrate flow path is separated from the filtrate flow path by a sealing material such as an O-ring to separate and collect only the filtrate. It becomes possible.
  • the filter element is accommodated in the casing so that the liquid flows in the vertical direction.
  • the filter as described above alone has a filtration function.
  • a large-scale facility such as a water purification plant or a factory that is required to process a large amount of undiluted solution
  • the filtration area In order to increase the water permeability per unit filtration area per unit filtration area (hereinafter simply referred to as “water permeability”) and improve the processing capacity, the filtration of a structure in which a number of filters are interconnected by piping It is common to be used as a device.
  • a filtering device having a structure in which a large number of filters are connected by a header pipe is known (for example, see Patent Document 1).
  • Patent Document 1 Japanese Patent Laid-Open No. 2003-334429
  • the present invention provides a filter device having a simpler structure and a filter module in which a plurality of filters are aggregated, and easily aligning the plurality of filters when manufacturing such a filter module. It is characterized by providing a header for a filtering device that can be used.
  • the present invention provides the following filtration device and filtration device header.
  • a plurality of filters and a stock solution supply for supplying a liquid to be processed (stock solution) to the plurality of filters.
  • a filtration device comprising at least one filter module comprising: a feed header; and a filtrate collection header for collecting a treated liquid (filtrate) from the plurality of filters, wherein at least one of the stock solution supply header and the filtrate collection header
  • One is a header pipe with an opening in the pipe wall
  • a header plate having a plurality of opening holes that are fitted in the openings and penetrate in the thickness direction, wherein the plurality of filters are connected to the plurality of opening holes of the header plate.
  • the header plate force has a through-hole penetrating from a side surface of one opening hole located on an end portion side in the longitudinal direction of the header pipe to an end surface in the longitudinal direction.
  • the filter element includes a casing having a stock solution supply port and a filtrate delivery port, and a porous partition housed in the casing and forming a cell serving as a liquid flow path.
  • a header for a filtration device that supplies a liquid to be treated (raw solution) to a plurality of filters or collects a treated liquid (filtrate) from a plurality of filters, and has an opening in a tube wall
  • a header for a filtration device comprising: a header pipe; and a header plate that is fitted in the opening and has a plurality of opening holes for connection to a filter.
  • the filtering device header according to [9], wherein the plurality of opening holes of the header plate are arranged in a line.
  • the header plate force includes any one of [8] to [10] having a through hole penetrating from a side surface of one opening hole located at an end portion in the longitudinal direction of the header pipe to an end surface in the longitudinal direction.
  • the filtering device of the present invention includes the filtering device header as described above, the filtering device can be arranged at an accurate position and angle by connecting a plurality of filtering devices to the header.
  • this header since this header has a simple structure, it is possible to manufacture a filtration device at a low cost.
  • FIG. 1 is a perspective view schematically showing one form of a filter element.
  • FIG. 2 (a) is a schematic front view showing an embodiment of the filtration device of the present invention.
  • FIG. 2 (b) is a schematic side view showing an embodiment of the filtration device of the present invention.
  • FIG. 3 (a) is a schematic perspective view showing an embodiment of a header pipe according to the present invention.
  • FIG. 3 (b) is a schematic perspective view showing an embodiment of a header plate according to the present invention.
  • FIG. 4 (a) is a schematic plan view showing an embodiment of a header for a filtration device according to the present invention.
  • FIG. 4 (b) is a schematic front view showing an embodiment of a header for a filtration device according to the present invention.
  • FIG. 4 (c) is a schematic side view showing an embodiment of a header for a filtration device according to the present invention.
  • FIG. 5 (a) is a schematic perspective view showing another embodiment of the header plate according to the present invention.
  • FIG. 5 (b) is a schematic sectional view showing another embodiment of the header plate according to the present invention.
  • FIG. 6 is a schematic cross-sectional view showing another embodiment of the header for a filtration device according to the present invention.
  • FIG. 7 is a schematic cross-sectional view showing an embodiment of a filter according to the present invention.
  • FIG. 8 is a perspective view showing another form of the filter element.
  • FIG. 2 (a) and FIG. 2 (b) are diagrams schematically showing an embodiment of the filtration device of the present invention.
  • FIG. 2 (a) is a schematic front view
  • FIG. ) Is a schematic side view
  • FIG. 3 (a) is a schematic perspective view showing an embodiment of a header pipe according to the present invention
  • FIG. 3 (b) is a schematic perspective view showing an embodiment of a header plate according to the present invention.
  • FIG. 4 (a) to FIG. 4 (c) are diagrams schematically showing an embodiment of the header for a filtration device according to the present invention.
  • FIG. 4 (a) is a schematic plan view
  • FIG. (b) is a schematic front view
  • FIG. 4 (c) is a schematic side view.
  • the filtration device 10 of the form shown in FIGS. 2 (a) and 2 (b) includes at least one filter module 40 including a plurality of filters 12, a stock solution supply header 20, and a filtrate recovery header 30.
  • the stock solution supply header 20 includes a header pipe 21 and a header plate 25 as shown in FIGS. 3 (a) and 3 (b).
  • the header pipe 21 has an opening 23 in the pipe wall 22.
  • the header plate 25 has a plurality of opening holes 26 penetrating in the thickness direction. Then, as shown in FIGS. 4 (a) to 4 (c), the header plate 25 is fitted into the opening 23 of the header pipe 21. Further, as shown in FIGS. 2 (a) and 2 (b), the plurality of filters 12 are connected to the plurality of opening holes 26 of the header plate 25.
  • the structure can be simplified as compared with a conventional filtration device. Furthermore, a plate-like body is fitted to the tube wall, and the plate By providing an opening hole for connecting the filter to the shaped body, the processing becomes easy and the alignment of the connecting positions of the plurality of filters becomes easy.
  • the filter 12 is often long in one direction, so that a slight shift in the installation angle at one end causes a large positional shift at the other end.
  • the filter can be installed at an accurate angle, and the displacement at the other end of the filter can be suppressed. Can do.
  • the force filtrate recovery header showing the embodiment in which the stock solution supply header 20 includes the header pipe 21 and the header plate 25 described above may have such a structure.
  • the filters 12 are arranged so as to be aligned in the longitudinal direction of the header pipe 21. From the viewpoint of simplifying the structure and saving space, it is preferable to arrange the filters 12 in a line in the longitudinal direction of a single header pipe. It is further preferable to arrange them in this manner. Therefore, it is more preferable that the opening holes 26 of the header plate 25 are also provided so as to be aligned in the longitudinal direction of the header pipe 21.
  • the method of fitting the header plate 25 to the header pipe 21 can be easily fitted by a method such as welding, which is not particularly limited. Further, when the header pipe 21 is connected to the pipe, it is preferable that the header pipe 21 is connected by the flange 34. Accordingly, the header tube 21 is preferably provided with a flange 34 at one or both ends. For this purpose, the header tube 21 is preferably a complete tube shape with no opening at the end, which is preferably a tube shape rather than a trough shape. There are no particular restrictions on the material of the header tube 21 and the header plate 25, but stainless steel or the like is preferably used.
  • the size of the header pipe is not particularly limited, but it is practically preferable to have a diameter of S200 to 400 mm and a length force of about 00 to 3400 mm. There is no particular restriction on the size of the header plate. It is practically preferable to have a length force of S500 to 3100 mm, a width force of S200 to 300 mm, and a thickness force of S20 to 40 mm.
  • FIG. 5 (a) and FIG. 5 (b) are diagrams schematically showing another embodiment of the header plate according to the present invention
  • FIG. 5 (a) is a schematic perspective view
  • FIG. 5 (b) is a schematic cross-sectional view
  • FIG. 6 is a schematic cross-sectional view showing another embodiment of the header for a filtration device according to the present invention.
  • FIG. 6 shows an example in which a through hole 27 is provided in one end of the header plate. If necessary, a through hole may be provided in the opposite end.
  • the stock solution recovery header 33 is connected to the stock solution discharge port when the filter 12 has a stock solution discharge port, and is used to collect the discharged stock solution. In addition, it can be suitably used when supplying compressed air for backwashing to the filter 12. This stock solution recovery header 33 is normally connected to the stock solution outlet 35 of the filter 12.
  • the number of the filters provided in one filter module is arbitrarily selected as long as it is 2 or more according to the required water permeability and the installation space. it can.
  • the configuration of the present invention is more effective when one filter module has a large number of filters. Therefore, it is particularly preferable that the number of filters included in one filter module is 3 or more, preferably 5 or more, and more preferably 7 or more.
  • the number of filters included in one filter module is preferably 15 or less.
  • the filter is not particularly limited as long as it can filter a liquid, and is optimally suited depending on the purpose.
  • the shape and structure of the filter can be selected. However, when the shape of the filter is large in one direction, the effect of the present invention becomes more remarkable. Therefore, it is preferable to apply the configuration of the present invention when the length of the filter is 500 mm or more, further 1000 mm or more, particularly 1500 mm or more. On the other hand, if the length is too long, it becomes impractical. Therefore, the length of the filter is preferably 2000 mm or less.
  • the width of the filter is preferably 50 to 300 mm in practice.
  • FIG. 7 is a schematic cross-sectional view showing an embodiment of a filter according to the present invention.
  • a specific example of a preferred structure of the filter is a filter 100 including a casing 102 and a filter element 104 as shown in FIG.
  • the filter element preferably has a partition wall having a porous physical strength, and a cell serving as a liquid flow path is formed by the partition wall.
  • a cell serving as a liquid flow path is formed by the partition wall.
  • the material constituting the filter element is not particularly limited, but generally, a filter element made of resin or ceramic is widely used.
  • Examples of the resin constituting the filter element include polypropylene (PP), polyethylene (PE), polyacrylonitrile (PAN), cellulose acetate (CA), polysulfone (PS), polyethersulfone (PES), Alternatively, polyvinylidene fluoride (PVDF) or the like is used.
  • PP polypropylene
  • PE polyethylene
  • PAN polyacrylonitrile
  • CA cellulose acetate
  • PS polysulfone
  • PS polyethersulfone
  • PVDF polyvinylidene fluoride
  • PVDF polyvinylidene fluoride
  • Ceramics constituting the filter element include, for example, alumina (Al 2 O 3), titanium
  • TiO 2 TiO 2
  • mullite Al 2 O 3 .SiO 2
  • zirconia ZrO 2
  • Alumina is preferably used because it can form a stable slurry that can easily be obtained from a raw material with a controlled particle size and has high corrosion resistance. Ceramics have excellent mechanical strength and durability, and are highly reliable and have high corrosion resistance.Therefore, there is little deterioration during chemical cleaning with acids, alkalis, etc.Furthermore, the average pore diameter that determines the filtration capacity is precise. Control is possible Has various advantages. Therefore, ceramic is preferable to resin as the material constituting the filter element.
  • a hollow fiber membrane filter As a filter element made of resin, a hollow fiber membrane filter can be given as a typical example.
  • the hollow fiber membrane filter is a filter element in which a plurality of hollow fibers are used as a filter medium.
  • the hollow fiber membrane filter has a capillary-shaped partition wall made of porous resin, and penetrates the center portion by the partition wall. It has a structure in which cells are formed.
  • a filter formed in a columnar shape as a whole is often used.
  • Typical examples of the ceramic filter element include a tube filter and a monolithic filter.
  • the tube-shaped filter has a cylindrical partition made of a ceramic porous body, and has a structure in which a single cell penetrating the center is formed, which is divided by the partition.
  • the monolithic filter has a partition wall made of a ceramic porous body and has a no-cam structure in which a large number of cells divided by the partition wall are formed.
  • a monolithic filter having a large filtration area per unit volume and high processing capability is preferably used.
  • a base material having a ceramic porous body strength and a filter membrane having a ceramic porous body force having an average pore diameter smaller than that of the base material formed on the surface of the base material are used. What was comprised can be used suitably.
  • the filtration function is exhibited exclusively by the filtration membrane, so that the average pore diameter of the substrate can be increased. Therefore, it is possible to reduce the flow resistance when the liquid that has permeated through the partition walls and has flowed out of the cell permeates the inside of the base material, and the amount of water permeation can be increased.
  • the average pore size of the ceramic porous body constituting the filtration membrane varies depending on the required filtration performance (particle size of the substance to be removed). In the case of a filter element used for microfiltration or ultrafiltration , 0.01-: about LO / zm.
  • the average pore diameter of the ceramic porous body constituting the substrate is determined in consideration of the balance between mechanical strength and water permeability. Usually, a ceramic porous body having an average pore diameter of about 1 to several hundreds m is used as a substrate.
  • the base material can be obtained by a method of forming a clay containing aggregate particles, drying and firing, and the filtration membrane is formed by forming a slurry containing aggregate particles on the partition wall surface of the base material. Dried, fired It can form by the method of doing.
  • the film can be formed by a conventionally known film formation method such as a dip film formation method, but by a filtration film formation method (see Japanese Patent Publication No. 63-66566) that can effectively prevent film defects such as pinholes. I prefer to do it.
  • the monolithic filter for example, a number of cells 3 are formed as in the case of the monolithic filter 2 shown in FIG.
  • a water collecting slit 5 is formed to connect the cell and the external space of the monolith 4, and both end openings of the cell (water collecting cell) communicating with the water collecting slit 5 are plugged by the plugging member 6.
  • the flow resistance when the filtrate flows out of the monolith is larger in the cells near the center, the flow resistance when the filtrate flows out of the monolith is small. May be used for filtration, and the substantial filtration area and hence the water permeability may decrease.
  • the filtrate from which the cell force in the vicinity of the center part has also flowed out can be quickly discharged into the external space of the monolith via the water collecting slit. Therefore, the cell in the vicinity of the center can be effectively used, and the substantial filtration area and thus the water permeability can be greatly increased.
  • Such a structure is particularly effective in the case of a large monolithic filter having a long distance to the outer periphery of the cell force monolith near the center.
  • the water collection cell has a structure in which the opening at both ends of the cell is plugged, so that the cell opening force concentrate is not mixed.
  • the water collecting slit can be formed by breaking a group of cells arranged in parallel so as to communicate with the external space of the monolith.
  • the rupture of the cell may be performed at the stage of the formed body before firing or the dried body, or may be performed at the stage of the sintered body after firing.
  • the cell opening is plugged by, for example, a method of drying and baking after filling the cell opening to be plugged with clay (plugging material) having the same material force as that of the monolith. be able to.
  • a plurality of water collecting slits 5 are often formed in the vicinity of both end faces of the monolith 4.
  • the water collecting slits 5 are generally formed so as to be parallel to each other.
  • the shape of the filter element There are no particular restrictions on the shape of the filter element.
  • Examples of the overall shape include a columnar shape as shown in FIG. 1, a quadrangular prism shape, or a triangular prism shape.
  • a cylindrical shape that can be easily extruded and easily sealed with a casing with less firing deformation is suitably used.
  • Examples of the cell shape include shapes such as a square cell, a hexagonal cell, and a triangular cell in addition to a circular cell as shown in FIG. .
  • a circular cell that can be easily removed by separating and removing suspended substances deposited on the partition wall surface during backwashing is preferably used.
  • An internal space is formed in the casing, and the filter element is stored in the internal space.
  • the filter element as described above, columnar ones are generally used. Therefore, the casing is often in a cylindrical shape capable of accommodating these columnar bodies. For example, when a columnar filter element is used, a cylindrical casing is preferably used.
  • a filter element 100 is configured by housing a filter element 104 in a casing 102.
  • a filter element 104 for example, if a cylindrical monolithic filter is used as the filter element, it is preferable to store the monolithic filter vertically so that the cell opens in the vertical direction. In such a filter, filtration is performed when the stock solution is supplied with a force on the lower end side of the filter element and circulated by force toward the upper end side (V, so-called upflow filtration).
  • the casing 102 is formed with a stock solution supply port 106 and a filtrate delivery port 108 in the filter element 104 so as to communicate with the internal space.
  • a stock solution discharge port 110 is further formed in the casing 102 shown in FIG. 7, a stock solution discharge port 110 is further formed.
  • the stock solution supply port is an opening for supplying the stock solution to the filter element, and is also used when discharging the backwash drainage.
  • This stock solution supply port is connected to one opening of the stock solution supply header.
  • the stock solution supply header preferably includes the header plate and the header pipe described above.
  • the stock solution supply port 106 is preferably connected to the opening hole of the header plate.
  • the filtrate outlet is an opening for sending filtrate from the filter element, and is also used when supplying clarified water for backwashing.
  • This filtrate outlet is connected via an attached flange. Connected to one opening of the filtrate recovery header. From the viewpoint of facilitating air bleeding in the casing, it is preferable to form a filtrate outlet 108 on the upper end side of the casing 102 as shown in FIG.
  • the stock solution discharge port is required to discharge the stock solution when cross-flow operation (a method in which filtration is continuously performed while circulating the stock solution through the filter element) is employed. It can also be used when supplying backwashing compressed air.
  • the filter module preferably includes a stock solution recovery header.
  • the stock solution discharge port is preferably connected to one opening of the stock solution recovery header.
  • the stock solution discharge port 110 is formed on the upper end side of the casing 102 as shown in FIG.
  • the casing may be composed of several members that need not be integrally formed.
  • a casing composed of a hollow cylindrical casing main body 112, an upper cap 114 attached to the upper end thereof, and a bottom cap 116 attached to the lower end thereof. It is done.
  • a filtrate delivery port 108 is formed near the upper end of the casing body 112
  • a concentrate discharge port 110 is formed at the top of the upper cap 114
  • a concentrate supply port 106 is formed at the lower end of the bottom cap 116.
  • the casing is composed of several members, it is preferable to connect the members using a flange.
  • sealing materials such as rubber-like O-rings 118, 120 and ring-shaped flat packing are interposed between the members to be connected to ensure liquid tightness.
  • a sealing material is arranged along the flanges of both members to be connected, bolt holes are respectively provided on the outer peripheral side from the sealing material arrangement part of the flange, and fixed with bolts and nuts.
  • a concave groove for arranging and fixing the sealing material may be provided on the flange for facilitating the arrangement of the sealing material and surely fixing.
  • the casing is preferably impermeable and has high corrosion resistance, and is preferably made of a material.
  • a filter element made of resin a casing made of resin is used.
  • a filter element made of ceramic a stainless steel casing is preferably used.
  • a sealing material is arranged along the outer edge of both end faces of the filter element so as not to block the cell opening, and the sealing material is brought into contact with a part of the casing. Structure is preferred.
  • the shape, structure, material, and the like of the sealing material are not particularly limited, and may be, for example, an O-ring or a ring-shaped flat packing that has an inertia material strength such as rubber.
  • seal caps 122 and 124 are used as the sealing material as shown in FIG.
  • the term “seal cap” means a cap-shaped seal material used by being attached to the end of a columnar body such as a filter element (see, for example, JP-A-10-184919). ). Compared to O-rings and ring-shaped flat packings, such cap-shaped sealing materials can be easily and reliably fixed to the filter element, and can ensure high liquid tightness. ⁇ I like it ⁇ .
  • the stock solution when the stock solution is supplied from the stock solution supply port 106 of the bottom cap 116 into the cell of the filter element 104 at a predetermined pressure, the stock solution has a partition wall that separates the cells. It is filtered when passing through, and flows out from the outer peripheral surface of the filter element 104 to the space 126 formed between the outer peripheral surface 104a of the filter element 104 and the inner peripheral surface 112a of the casing body 112 as filtrate. This filtrate is stored in the space 126 and is finally recovered from the filtrate outlet 108 of the casing body 112.
  • the filter 100 is used as a dead-end type filter by closing the stock solution outlet 110 at the top of the upper cap 114 with a valve or the like.
  • the undiluted solution outlet 110 and the undiluted solution supply port 106 are connected by a pipe or the like so that the undiluted solution circulates in the filter 100, so that it can be used as a cross-flow type filter.
  • the filtration device of the present invention has a simple structure, can easily align a plurality of filters, and can be a low-cost filtration device. As an apparatus etc., it can use suitably. Moreover, such a filtering device can be suitably configured by using the filtering device header of the present invention.

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

La présente invention concerne un dispositif à filtres doté d’une structure simple possédant un module de filtrage dans lequel les filtres sont concentrés, ainsi qu’un collecteur destiné à un dispositif à filtres, le collecteur permettant un positionnement facile des filtres sur le collecteur en produisant un tel module de filtrage. Le dispositif à filtres (10) comprend au moins un module de filtrage (40) doté de filtres (12), un collecteur d’alimentation en liquide non filtré (20) pour alimenter les filtres (12) en liquide non filtré, et un collecteur de récupération de liquide filtré (30) servant à récupérer le liquide filtré provenant des filtres. Au moins l’un des deux collecteurs, entre le collecteur d’alimentation en liquide non filtré (20) et le collecteur de récupération de liquide filtré (30), possède un tube de collecteur (21) présentant une ouverture dans la paroi de son tube, ainsi qu’une plaque de collecteur (25) disposée dans l’ouverture et présentant des ouvertures (26) pénétrant dans la direction correspondant à l’épaisseur de la plaque (25). Les filtres (12) sont raccordés aux ouvertures (26) de la plaque de collecteur (25).
PCT/JP2005/012114 2005-06-30 2005-06-30 Dispositif à filtres et collecteur destiné à un dispositif à filtres Ceased WO2007004264A1 (fr)

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PCT/JP2005/012114 WO2007004264A1 (fr) 2005-06-30 2005-06-30 Dispositif à filtres et collecteur destiné à un dispositif à filtres

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PCT/JP2005/012114 WO2007004264A1 (fr) 2005-06-30 2005-06-30 Dispositif à filtres et collecteur destiné à un dispositif à filtres

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05508801A (ja) * 1990-04-20 1993-12-09 メムテック・リミテッド モジュール型微孔性フィルターアッセンブリ
JPH11169679A (ja) * 1997-12-17 1999-06-29 Ngk Insulators Ltd モノリス形セラミックフィルタ
JPH11239719A (ja) * 1998-02-26 1999-09-07 Asahi Chem Ind Co Ltd 濾過膜モジュールの配管構造
JP2000157976A (ja) * 1998-11-25 2000-06-13 Matsushita Electric Works Ltd 浸漬型膜分離装置
JP2002346343A (ja) * 2001-05-22 2002-12-03 Mitsubishi Rayon Co Ltd 集水ヘッダー及び膜モジュールユニット

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05508801A (ja) * 1990-04-20 1993-12-09 メムテック・リミテッド モジュール型微孔性フィルターアッセンブリ
JPH11169679A (ja) * 1997-12-17 1999-06-29 Ngk Insulators Ltd モノリス形セラミックフィルタ
JPH11239719A (ja) * 1998-02-26 1999-09-07 Asahi Chem Ind Co Ltd 濾過膜モジュールの配管構造
JP2000157976A (ja) * 1998-11-25 2000-06-13 Matsushita Electric Works Ltd 浸漬型膜分離装置
JP2002346343A (ja) * 2001-05-22 2002-12-03 Mitsubishi Rayon Co Ltd 集水ヘッダー及び膜モジュールユニット

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