WO2005014148A1 - 簡易型フィルタ装置 - Google Patents
簡易型フィルタ装置 Download PDFInfo
- Publication number
- WO2005014148A1 WO2005014148A1 PCT/JP2004/011372 JP2004011372W WO2005014148A1 WO 2005014148 A1 WO2005014148 A1 WO 2005014148A1 JP 2004011372 W JP2004011372 W JP 2004011372W WO 2005014148 A1 WO2005014148 A1 WO 2005014148A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bowl
- filter plate
- filter
- head
- filter device
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims abstract description 106
- 238000000926 separation method Methods 0.000 claims abstract description 88
- 238000003825 pressing Methods 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 35
- 239000011550 stock solution Substances 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 78
- 238000007789 sealing Methods 0.000 claims description 33
- 239000000706 filtrate Substances 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 14
- 238000012360 testing method Methods 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 9
- 238000011156 evaluation Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004813 Perfluoroalkoxy alkane Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000012822 chemical development Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009509 drug development Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
- B01D65/109—Testing of membrane fouling or clogging, e.g. amount or affinity
-
- 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
- B01D63/08—Flat membrane modules
- B01D63/081—Manufacturing thereof
-
- 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
- B01D63/08—Flat membrane modules
- B01D63/082—Flat membrane modules comprising a stack of flat membranes
-
- 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
- B01D63/08—Flat membrane modules
- B01D63/082—Flat membrane modules comprising a stack of flat membranes
- B01D63/0822—Plate-and-frame devices
-
- 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
- B01D63/08—Flat membrane modules
- B01D63/087—Single membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/003—Membrane bonding or sealing
-
- 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
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/04—Specific sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/04—Specific sealing means
- B01D2313/041—Gaskets or O-rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/24—Specific pressurizing or depressurizing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/56—Labware specially adapted for transferring fluids
- B01L3/563—Joints or fittings ; Separable fluid transfer means to transfer fluids between at least two containers, e.g. connectors
- B01L3/5635—Joints or fittings ; Separable fluid transfer means to transfer fluids between at least two containers, e.g. connectors connecting two containers face to face, e.g. comprising a filter
Definitions
- the present invention relates to a filter for filtering, separating, or purifying a gel or other particulate matter from a liquid, and a filtration membrane, a separation membrane, or a purification membrane (hereinafter, “separation membrane”) used for the filter. (Hereinafter referred to as “membrane”).
- the filter device of the present invention can be widely used in other fields such as small-volume filtration for research and development, resist development, drug development, or purification of a photoresist solution in beer production, pharmaceutical production, and semiconductor production. .
- the separation membrane test apparatus described in the publication has four cylindrical and flat cells so that a plurality of separation membranes can be tested at once.
- the cells are vertically stacked, and a first, a second and a third different types of separation membranes are mounted between each cell.
- the processing stock solution is supplied in parallel to each of these separation membranes, and the first, third, and third separation membranes are separated. Performance can be done at once.
- this apparatus also has a problem that it cannot be evaluated when a plurality of separation membranes are used in series. Further, when a plurality of separation membranes are used in series, it is necessary to use a plurality of filter devices in series.
- Patent Document 1 Japanese Patent Application Laid-Open No. 11-137973
- Patent Document 2 Japanese Patent Application Laid-Open No. 2002-044661
- JP-A-2002-046651 An invention in which the above-mentioned disadvantages of the conventional example are improved is disclosed in JP-A-2002-046651.
- the replacement and disassembly of the separation membrane can be performed relatively easily and quickly, but the structure is complicated and replacement of a plurality of membranes is difficult. It takes a considerable amount of time, for example, the time required for setting up the device, and in the case of membrane characterization, there is a problem that it takes much time.
- the present invention has been made in view of such circumstances, and when a membrane test or a small amount of filtration is required, filtration can be easily performed with a simple configuration, and one or more types of separation can be performed.
- a simple filter for separation membranes that can be easily assembled and added without the need for complicated assembly or addition of parts, even if it is a membrane. It is intended to provide a device.
- an object of the present invention is to provide a filter device capable of evaluating the overall effect of a plurality of separation membranes of the same or different types arranged in series. Means for solving the problem
- the present invention has the following configuration in order to achieve such an object.
- the present invention provides a bowl having an opening communicating with the discharge port on one side and the discharge port on the other side, and a separation membrane for filtering the undiluted solution held or fixed.
- a filter plate having at least one filter plate having an opening formed therein, and at least one filter plate housed in the opening of the bowl, and a protrusion for pressing the filter plate with one side force to prevent leakage of filtrate.
- a simplified filter device comprising: a head having a pressing portion on one side and a supply port for a stock solution on the other side; and means for pressing the head toward the bowl.
- a female screw or a male screw is provided on the bowl and the head, and the bowl and the head are screwed together, and the bowl and the head are put together. By rotating, assembly and airtight / liquid tight sealing can be performed.
- a plurality of filter plates holding or fixing the separation membrane are overlapped to form a plurality of separation membranes of the same or different types. , Filtration, separation, or purification, or an evaluation test.
- a stock solution or filtrate in which a bowl having a discharge port on one side and an opening communicating with the discharge port on the other side, and a separation membrane for filtering the stock solution are held or fixed.
- a filter plate having an opening through which at least one filter plate is housed in the opening of the bowl, and a protruding shape for pressing the filter plate to one side to prevent leakage of filtrate.
- a simplified filter device comprising a head having a pressing portion on one side and a supply port of a stock solution on the other side, and a locking nut for pressing the head toward the bowl in the axial direction thereof. I do.
- the bowl and the lock member are provided with screw portions to be screwed together, and screwed and rotated to each other to assemble the device and the axis.
- Directional pressing In another preferred embodiment, in the above (4), the bowl and the lock member are provided with screw portions to be screwed together, and screwed and rotated to each other to assemble the device and the axis.
- a plurality of filter plates each having the separation membrane are stacked and placed, and a plurality of separation plates of the same type are placed. It allows the use of membranes or different types of separation membranes.
- plate-shaped projections are provided on the outer surface of the bowl and the outer surface of the head in the case of (2) above to facilitate the action of screw tightening, and used as a hook or a tool hook. Can use S power.
- a plate-like projection is provided on the outer surface of the bowl, so that the bowl can be used as a hand or tool.
- the locking nut can be provided with a handle at three locations on the periphery thereof.
- the filter plate has a circumferential projection of a fixed height on the bottom surface, while the inner bottom of the opening of the bowl is provided. Has a circumferential groove for receiving the circumferential projection, and can be sealed by pressing the filter plate against the bowl.
- a holding ring provided with at least one concentric projection, preferably a plurality (three in the embodiment) on the lower surface side is provided with the at least one filter plate.
- the filter plate is provided with a flat surface extending all around the upper surface of the filter plate, and the concentric projections of the holding ring are pressed against the flat surface of the filter plate to perform sealing. It has become.
- the pressing ring has a flat surface on the upper surface side, and the flat surface has a fixed height provided on the lower surface side of the filter plate disposed on the upper side thereof. The force that presses and seals the circumferential projection or the protruding pressing portion of the head is pressed and sealed via a ring.
- the press ring has a peripheral portion surrounding the flat surface on the upper surface thereof, the filter plate has a peripheral portion surrounding the flat surface on the upper surface thereof, and the press ring is accommodated in the concave portion of the filter plate. At this time, the peripheral portions are fused to each other. As a result, the filter plate and the holding ring can be combined and integrated, so that the filter plate can be easily attached to and detached from the filter housing.
- a finger hook tab is provided on the outer periphery of the filter plate, and a guide groove for the finger hook tab is provided in the bowl correspondingly.
- the flow path of the processing stock solution is the simplest linear type (so-called in-line type), and while the configuration is the simplest, the filtration is simple. Since the separation membrane to be mounted is mounted almost perpendicular to the flow path, the filtration efficiency is improved.The separation and removal of the membrane for testing the membrane performance of this separation membrane can be easily and quickly replaced. .
- a normal filter is weak in itself and cannot be cleaned. However, in actual specifications such as resist development and chemical development, a cartridge filter cleaned with various chemicals is used.
- the filter plate supporting the separation membrane specified in the present invention by welding or the like can be taken out after use, washed, and reused.
- a test of a plurality of membranes can be easily performed, so that the state and effect of separation by a plurality of membranes can be easily confirmed. Also, disassembly and assembly can be performed easily and quickly. In other words, even one type of multiple separation membranes or multiple types of multiple separation membranes can be easily incorporated, so it is extremely easy to perform separation membrane tests and tests with different combinations. it can.
- the addition of the lock member more effectively seals the filter with the bowl and the head, so that efficient filtration can be performed. it can.
- the attachment and detachment at the time of replacement of the filter and the easiness thereof are the same as those of the other inventions.
- the lock member is more specifically a locking nut, and the filter, the bowl, and the head are effectively sealed with ordinary screws. Therefore, the filter can be securely tightened and effective filtration can be performed.
- the attachment and detachment at the time of replacement of the filter and its easiness are the same as those of the other inventions.
- plate-like projections are provided on the outer surface of the bowl and the outer surface of the head, so that they can be used as hands or tools. Work becomes easier.
- a plate-like projection is provided on the outer surface of the bowl, and the bowl can be used as a hand or a tool.
- the head can be more easily attached and detached.
- the filter plate has a circumferential protrusion having a constant height on a bottom surface, and the filter plate receives the circumferential protrusion on an inner bottom of the opening of the bowl.
- a holding ring provided with at least one, preferably a plurality of concentric projections on the lower surface side is disposed on the upper surface of the at least one filter plate, and the upper surface of the filter plate is provided.
- a flat surface extending all around is provided, and the concentric projection of the press ring is pressed against the flat surface of the filter plate to perform sealing.
- sealing can be performed using the holding ring, and the periphery of the separation membrane can be sealed without using each ring. Sufficient sealing can be performed, workability is increased, and cost is reduced.
- the presser ring has a flat surface on the upper surface side, and the flat surface has a circle of a constant height provided on the lower surface side of the filter plate disposed on the upper side. Since the peripheral projections are pressed and sealed, it is possible to overlap a plurality of filter plates without using a ring. (However, in the case of the holding ring used at the top, the protruding pressing portion of the head is pressed and sealed via the O-ring).
- the press ring has a peripheral portion surrounding the flat surface on the upper surface thereof, the filter plate has a peripheral portion surrounding the flat surface on the upper surface thereof, and the press ring is accommodated in the concave portion of the filter plate. At this time, since the peripheral portions are fused to each other, even if the separation membrane cannot be fused to the filter plate, it can be sealed and held by integrating the filter plate and the holding ring. Become.
- a finger hook tab is provided on an outer periphery of the filter plate, and the bowl is correspondingly provided on the bowl.
- a groove is provided, the flow path between the undiluted solution and the filtrate and the space outside it are isolated by the sealing means as described above, so that workability is improved without fear of contamination from outside. Becomes possible.
- the present invention will be described in detail with reference to a preferred embodiment, and the material used may be a material of this type which is conventionally known.
- separation membrane examples include arbitrary pore separation membranes such as PTFE, PE, PFA, PVDF, and PSE.
- any resin material such as PP, PE, and PFA can be used.
- a conventionally known rigid plastic material or metal can be used for the housing.
- FIGS. 1-10 A simplified filter device according to a first embodiment of the present invention will be described with reference to FIGS.
- the vertical relationship in the figure may be reversed for the sake of explanation, and may be reversed, or the supply port for the undiluted solution and the discharge port for the filtrate may be reversed.
- the filter device has a bowl 1 (having a discharge port 13 for filtrate on the lower surface and an opening 2 (or recess) on the upper surface). Or a cup), one or more filter plates 5 inserted into the opening 2 and supported at the bottom of the opening, and a filter plate for sealing the periphery of the filter plate 5 in an air-tight and liquid-tight manner. And a head 3 having an annular convex pressing portion 23 for pressing the peripheral portion of 5 toward the bottom of the opening and having an undiluted solution supply port 15. Separate into filter plate 5 as described later The membrane 25 (FIG. 5 or FIG. 6) is supported.
- the opening 2 of the bowl 1 has a cylindrical inner wall 7 and a bottom, and the bottom is loosely converged downward in a funnel shape and supports a central portion extending to the discharge port 13 and a peripheral portion of the filter plate 5. And an annular flat peripheral portion. This peripheral portion is provided with a circumferential groove for receiving the elastic ring 16 for sealing.
- a female screw 21 is formed on the upper part of the cylindrical inner wall 7 of the bowl 1, and is screwed with a male screw 19 provided on the outer peripheral surface of the head 3.
- vertical guide grooves (longitudinal grooves) 18, 18 for receiving the tabs 17, 17 of the finhole plate 5 are formed in opposing portions across the diameter of the cylindrical inner wall 7.
- a plate-like projection 9 is formed on the lower surface of the bowl 1 and serves as a tool or a tool hook when the head 3 is fastened to or removed from the bowl 1.
- the head 3 has a male screw 19 screwed into the female screw 21 of the bowl 1 on the outer periphery of the cylindrical shape.
- the inner end of the supply port 15 expands to form a space 43 communicating with the filtration surface of the filter plate 5, and the wall surrounding the space 43 seals the periphery of the filter plate 5 airtight and liquid tight as described above.
- An annular convex pressing portion 23 that presses the peripheral portion of the filter plate 5 toward the bottom of the opening to seal the filter plate 5 is formed.
- the bottom surface of the convex pressing portion 23 is a horizontal surface, and a predetermined sealing is performed by pressing a filter plate 5 described later via an O-ring.
- a plate-like projection 11 which is used as a hook (or a tool hook) when screwing is formed.
- the filter plate 5 has a large number of holes 27.
- the filter plate 5 is provided with a concave portion 31 on which a separation membrane 25 (indicated by a phantom line) is held.
- the separation membrane 25 is preferably fixed to the surface of the filter plate 5 by thermal welding.
- the recess 31 forms a distribution channel to the separation membrane 25 when a plurality of filter plates are used.
- a large number of grooves 26 are formed on the surface of the concave portion 31 in a radial or mesh form from a large number of holes 27 to increase the effective filtration area.
- a peripheral groove 29 is provided in a peripheral portion of the filter plate 5, and a sealing ring 20 is accommodated therein.
- Tabs 17 and 17 are formed at two places sandwiching the diameter of the filter plate 5 so as to fit in the guide groove 18 of the bow 1.
- the filter plate 5 is in place Rotation is prevented when tightening the slack head 3 that is only placed.
- the convex pressing portion 23 of the head 3 presses the peripheral portion of the filter plate 5, and the liquid-tight and air-tight sealing is obtained by the rings 16 and 20 between the members.
- a plurality of filter plates 5 can be incorporated as shown in FIG. 2, or a single filter plate 5 can be incorporated as shown in FIG.
- the filter device of the present invention has a highly flexible structure in which one or more filter plates 5 can be incorporated according to the purpose.
- the filter device according to this embodiment has an advantage of low manufacturing cost due to its simple structure. However, since frictional sliding occurs between the convex pressing portion 23 of the head 3 and the O-ring 20, screwing is performed. Is inconvenient in that it must be done carefully. The following example improves on this. Example 2
- FIGS. 1 and 2 a second embodiment of the present invention will be described with reference to FIGS.
- This embodiment is more complicated than the filter device of the above embodiment, but has an advantage that airtightness and liquid tightness can be easily obtained.
- members corresponding to the filter device of the first embodiment use the same reference numerals.
- the filter device includes a bowl 1 having a filtrate discharge port 13 on the lower surface and an opening or recess 2 on the upper surface, a filter inserted into the opening 2 and supported at the bottom of the opening.
- the above-described filter plate 5 and an annular convex pressing portion 23 that presses the peripheral portion of the filter plate 5 toward the bottom of the opening in order to airtightly and liquid-tightly seal the peripheral portion of the filter plate 5 are provided.
- the head 3 has a stock solution supply port 15 and a locking nut 33 for fixing the head 3 to the bowl 1.
- the filter plate 5 has the same structure as that of the first embodiment, and therefore will be described below only to the extent necessary.
- bowl 1 does not have internal threads on the cylindrical inner wall in this example.
- the head 3 has no external thread on the outer peripheral surface.
- the opening 2 of the bowl 1 converges with the cylindrical inner wall 7 and the funnel-like shape gently downward to the discharge port 13. It has a central portion that extends and an annular flat periphery that supports the periphery of the filter plate 5.
- a peripheral groove for receiving the elastic O-ring 16 for sealing is provided in the peripheral portion.
- a male screw 37 is formed on an upper portion of the cylindrical outer peripheral surface of the bowl 1 and is screwed with a female screw 35 provided on an inner peripheral surface of the locking nut 33.
- vertical guide grooves 18, 18 for receiving the tabs 17, 17 (see FIG. 5) of the finhole plate 5 are formed as in the case of FIG. 2. Have been.
- a plate-like projection 9 is formed on the lower surface of the bowl 1 and serves as a hand or tool hook when the head 3 is tightened or removed from the bowl 1.
- the inner end of the supply port 15 of the head 3 expands to form a space 43 communicating with the filtration surface of the finole plate 5.
- the peripheral wall of the space forms an annular convex pressing portion 23 that presses the peripheral portion of the filter plate 5 toward the bottom of the opening 2 via the ring 20.
- the diameter of the head 3 is slightly smaller than the diameter of the cylindrical inner wall 7 of the bowl 1 so that the head 3 can be fitted. Further, on the outer periphery of the head 3, tabs 45, 45 that fit into the longitudinal grooves 18, 18 of the bowl 1 are provided in order to prevent the head 3 from rotating.
- a shoulder portion 41 which is in contact with the action portion 39 of the locking nut 33 and receives a tightening force is formed. Therefore, the filter plate 5 can receive a tightening force in the vertical direction (the axial direction of the filter device) from the convex pressing portion 23 of the head 3.
- the structure of the filter plate 5 is the same as that described with reference to FIGS. 5 and 6 for the first embodiment.
- the locking nut 33 has an annular flat plate portion having an action portion 39 abutting against the shoulder portion 41 of the head 3 and a cylindrical shape having an internal thread 35 formed on the inner peripheral surface. And an outer peripheral wall.
- the female screw 35 is screwed with the male screw 37 on the outer peripheral surface of the bowl 1.
- the working portion 39 of the nut 33 is formed in a polygonal shape so as to be used as a hook or a tool.
- the filter device of the present invention has a highly flexible structure in which one or a plurality of filter plates 5 can be incorporated according to the purpose.
- FIGS. 8 to 14 This embodiment is similar to the second embodiment described with reference to FIGS. 8 to 14 except that the force S, the structure of the filter plate seal portion, the structure of the finger hook of the filter plate, and the structure of the locking nut are different. Also in these figures, members corresponding to the filter device of the second embodiment use the same reference numerals.
- FIG. 15 is a perspective view of the filter device of this embodiment
- FIG. 16 is a cross-sectional view taken along line XVI-XVI of FIG.
- the filter device according to this embodiment includes a bowl 1 having an opening or recess 2 and a discharge port 13 for filtrate, one or more filter plates 5 inserted into the opening 2 and supported at the bottom of the opening. , A press ring 55 for pressing the upper surface of the filter plate 5 or the filter membrane disposed thereon, and a concave portion of the press ring 55 for sealing the periphery of the press ring 55 in an airtight and liquid tight manner.
- a head 3 having a cylindrical or annular convex pressing portion 23 pressed toward the bottom of the place 2 and having a stock solution supply port 15, and a locking nut 33 for fixing the head 3 to the bowl 1. It is configured.
- a gas vent 51 for extracting bubbles and dissolved gas in the undiluted solution is provided.
- the opening 2 of the bowl 1 supports the cylindrical inner wall 7, the central portion which is loosely converged downward in a funnel shape and extends to the discharge port 13, and the peripheral portion of the filter plate 5. It has an annular flat peripheral portion.
- a peripheral groove 57 for sealing is provided in the peripheral portion. In this groove Is fitted with a circumferential projection 59 (see FIG. 18) having an inverted triangular cross section projecting from the bottom surface of the filter plate 5 to perform sealing.
- a male screw 37 is formed on the upper portion of the cylindrical outer peripheral surface of the bowl 1, and is screwed with a female screw 35 provided on the inner peripheral surface of the locking nut 33.
- a part of the cylindrical inner wall 7 is provided with a vertical guide groove 65 for receiving a finger tab 63 of the filter plate 5 (see FIGS. 17-19). Due to the structure of the filter plate 5 described below, the finger hook tab 63 is isolated from the passage for the undiluted solution and the filtrate, so that the presence of the finger hook tab 63 does not cause contamination of the filtrate. Therefore, according to this model, the filter plate 5 can be easily assembled and exchanged.
- Each filter plate 5 is provided with a directional tab 67 shown in FIG. 17 and correspondingly, a vertical groove (not shown) is formed in the inner wall 7 of the bowl 1 as in FIG. Therefore, the filter plate 5 can always be set up and down correctly.
- the inner end of the supply port 15 of the head 3 expands to form a space 43 communicating with the filtration surface of the filter plate 5.
- the peripheral wall of the space forms an annular convex pressing portion 23 that presses toward the bottom of the opening 2 formed by the O-ring 20 that presses the peripheral portion of the filter plate 5 via the pressing ring 55.
- the diameter of the head 3 is slightly smaller than the diameter of the cylindrical inner wall 7 of the bowl 1 so that the lower side of the head 3 can be fitted.
- a shoulder 41 is formed on the outer peripheral portion of the upper surface of the head 3 so as to come into contact with the action portion 39 of the locking nut 33 and receive a tightening force. Therefore, the filter plate 5 and the press ring 55 can receive a tightening force in the vertical direction (the axial direction of the filter device) from the convex pressing portion 23 of the head 3.
- the locking nut 33 has an annular flat plate portion having an action portion 39 abutting on a shoulder portion 41 of the head 3, and a cylindrical outer peripheral wall having a female screw 35 formed on the inner peripheral surface.
- the female screw 35 is screwed with the male screw 37 on the outer peripheral surface of the bowl 1.
- the locking nut 33 has handles 53 at three locations on the outer peripheral portion thereof which are equidistant from each other, so that the locking nut 33 can be easily tightened and removed.
- a similar handle 61 is also provided around the bowl 1. If an appropriate detent is provided, the bowl 1 need not be provided with the handle 61.
- the head 3 and the locking nut 33 can rotate relative to each other. For this reason, after the head 3 is placed on the filter plate 5 and the holding ring 55 via the ⁇ ring 20 and then the locking nut 33 is tightened, the head 3 is frictionally locked with the holding ring 55 so that the locking nut 33 is Since only the member rotates, the sealing means between the head 3, the filter plate 5, and the press ring 55 is prevented from slipping, and a reliable sealing force can be obtained.
- FIG. 17 (plan view), FIG. 18 (cross-sectional view taken along line XVIII-XVIII in FIG. 17), and FIG. 19 (bottom view) show the filter plate 5 of the third embodiment.
- the filter plate 5 has a concave portion, a flat holding surface 31 is provided on the inner bottom of the concave portion, and a non-porous flat surface is formed around the holding surface 31.
- the holding surface 31 holds at least one separation membrane (two separation membranes 25 and 25 'indicated by chain lines in the figure). To hold the separation membranes 25 and 25 ′, insert the press ring 55 into the concave part of the filter plate 5, and hold the peripheral part of the separation membrane by the concentric sealing projections 75 protruding from the bottom of the outer peripheral part.
- the filter plate 5 is welded to the periphery 79 of the ring 55 and the periphery 70 of the filter plate, as will be described with reference to FIG.
- both parts 5 and 55 are made of the same thermoplastic material
- the separation membrane may be heat-sealed with the filter plate 5.
- the polyethylene separation membrane 25 is fused to the filter plate 5, and the fluororesin separation membrane 25 ′ is simply Then, the peripheral portion is pressed against the flat peripheral portion of the holding surface 31 of the filter plate 5 by the pressing ring 55.
- the upper surface of the filter plate 5 is formed in a lattice shape, and a large number of grooves 26 connected in a mesh pattern between the lattices are formed on the surface 31 of the concave portion to increase the effective filtration area.
- the lower surface has a number of uniformly distributed holes 27 for collecting the filtrate coming out of the groove 26.
- the concave portion forms a distribution channel to the separation membrane 25 when a plurality of filter plates are used.
- an inverted triangular circumferential protrusion 59 protrudes from the outer peripheral bottom surface of the filter plate 5.
- the circumferential projection 59 has the same height over the entire circumference, and its tip is in the same plane.
- the circumferential protrusion 59 is formed wider than the circumferential groove 57 formed in the bowl 1 and at a height such that it does not reach the bottom of the circumferential groove 27 when fitted, so that the circumferential protrusion 59 and the groove 57 are formed. Sealing by elastic deformation between the outer edge and the upper edge of the outer wall is made possible.
- the filter plate 5 is further provided with a handle tab 63 and a direction tab 67 as described above.
- the finger tab 63 fits into the guide groove 18 of the bowl 1 and the direction tab 67 fits into the corresponding direction restriction groove.
- the filter plate 5 can be easily attached and detached, the filter plate 5 can be correctly mounted on the front and back, and further, it does not rotate when the head 3 is tightened.
- the filter plate 5 further has a flat step portion 69 surrounding the holding surface 31 in the concave portion. This step receives the peripheral bottom surface 81 of the press ring 55 and holds the press ring, and also serves to prevent the elastic sealing portion 77 of the press ring from buckling.
- the peripheral portion 70 of the filter plate 5 receives the peripheral portion 79 of the press ring 55 fitted inside thereof, and is fused to each other.
- FIG. 20 a plan view
- FIG. 21 a cross-sectional view taken along the line XXI—XXI in FIG. 20).
- the pressing ring 55 has a flat surface 71 formed on the upper surface side, and an elastic sealing portion 77 having a sealing portion including three (generally a plurality of) inverted triangular concentric projections 75 projecting from the bottom surface. Are formed, and the upper and lower surfaces are communicated with each other by an opening 73 to form a liquid distribution passage. The tips of the three projections are in the same plane.
- the flat surface 71 serves as a sealing surface for the O-ring 20 (FIG. 16) or a sealing surface for the circumferential projection 59 of another filter plate 5.
- the press ring 55 has a peripheral edge 79 projecting upward, and when the press ring 55 is inserted into the concave portion of the filter plate 5 with the separation membranes 25 and 25 ′ interposed therebetween, the peripheral edge 7 Lined up at almost the same height as 0.
- the outer periphery of the press ring 55 has a projecting edge 83 having an outer diameter that fits on the inner peripheral surface of the peripheral portion 70 of the filter plate 5. For this reason, there is a gap between the peripheral edge 79 of the press ring 55 and the peripheral edge 70 of the finlet plate 5, where the molten resin can flow. In this state, when a hot plate is placed on these peripheral portions and heated under pressure, the two peripheral edges are melted and flow into this gap, and both are fused firmly to each other and strongly hold the separation membrane.
- the flat peripheral bottom surface 81 of the holding ring 55 engages with a flat step portion 69 provided on the filter plate 5 to hold the two members 5 and 55 in a fixed relationship, and at the same time, the concentric projection 75.
- the buckling of the elastic sealing portion 77 having the shape is prevented.
- FIG. 23 shows a filter plate unit in which the separation membranes 25, 25 ′ are held by the finhole plate 5, pressed by a holding ring 55, and both members 5 and 55 are integrally formed by heat fusion to each other. This shows the state in which is configured.
- the press ring 55 is inserted into the concave portion of the filter plate 5, and the peripheral portion of the separation membrane is held by the concentric projection 75 for sealing protruding from the bottom surface of the outer peripheral portion. Press against the flat surface of the periphery.
- the step 69 of the filter plate 5 supports the peripheral bottom surface 81 of the holding ring 55. There is a gap between the peripheral edge 79 of the presser ring 55 inserted into the recess of the filter plate 5 and the inner peripheral surface of the peripheral edge 70 of the filter plate due to the protruding edge 83 around the presser ring.
- FIG. 22 shows a case where two or more filter plates 5 are used in the filter device of the third embodiment.
- two filter plates 5 and two holding rings 55 are used, and the sealing between the filter plates 5 and 5 is performed by the flat surface 71 of the lower holding ring 55 and the upper filter ring.
- the circumferential projection 59 on the bottom surface of the plate 5 abuts, and a sealing force is applied by the fastening nut of the locking nut 33.
- the separation membrane 25 and / or 25 ′ is incorporated into the filter plate 5 and the holding ring 55 as shown in FIG. 23 to form an integral filter plate unit.
- the filter plate 5 is dropped into the bottom surface of the opening 2 of the bowl 1 by using the guide groove 65 and the direction tab 67 perpendicular to the finger hook tab 63.
- the circumferential projection 59 on the bottom surface of the filter plate 5 is fitted into the circumferential groove 57 of the bowl 1 and sealed. If necessary, attach another filter plate 5 and presser ring 55 in the same manner. As a result, the circumferential projection 59 of the upper filter plate 5 comes into contact with the flat surface 71 of the lower press ring 55.
- the periphery of the filter plate 5 is liquid-tightly sealed by the protrusion 75, the circumferential protrusion 59 and the circumferential groove 57. As a result, the flow paths of the undiluted solution and the filtrate are completely isolated from the guide groove 65 and the like.
- a single filter plate 5 can be incorporated as shown in FIG. 16 or a plurality of filter plates 5 can be incorporated as shown in FIG.
- the filter device of the present invention has a highly flexible structure in which one or more filter plates 5 can be incorporated according to the purpose.
- the flow path of the processing stock solution for testing the separation membrane is the simplest linear type (so-called in-line type). Since the separation membrane to be installed is mounted almost perpendicular to the flow path, the membrane for testing the membrane performance of this separation membrane with good filtration efficiency can be easily and quickly replaced.
- a filter device is provided.
- FIG. 1 is a plan view of a filter device according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view of the filter device.
- FIG. 3 is a bottom view of the filter device.
- FIG. 4 is a cross-sectional view showing one mode of use of the filter device.
- FIG. 5 is a plan view of a filter plate common to two embodiments of the present invention.
- FIG. 6 is a sectional view taken along line VI-VI of the filter plate of FIG. 5.
- FIG. 7 is a partially enlarged view of the filter device of FIG. 2.
- FIG. 8 is a plan view of a filter device according to Embodiment 2 of the present invention.
- FIG. 9 is a cross-sectional view of the filter device.
- FIG. 10 is a bottom view of the filter device.
- FIG. 11 is a cross-sectional view showing one usage mode of the filter device.
- FIG. 12 is a partially enlarged view of the filter device.
- FIG. 13 is a plan view of a single head of the filter device.
- FIG. 14 is a cross-sectional view of a single head of the filter device.
- FIG. 15 is a perspective view of a filter device according to Embodiment 3 of the present invention.
- FIG. 16 is an XVI-XVI sectional view of the filter device.
- 17 is a plan view of a filter plate used in the filter device.
- FIG. 18 is a sectional view taken along line XVIII-XVIII of the filter plate of FIG.
- FIG. 19 is a bottom view of the filter plate.
- FIG. 20 is a plan view of a holding ring.
- FIG. 21 is a sectional view taken along line XXI—XXI of the presser ring in FIG. 20.
- FIG. 17 is a cross-sectional view similar to FIG. 16, in which two filter plates 5 are used in the filter device of Embodiment 3.
- FIG. 23 is a partial cross-sectional view showing a filter plate unit in which a filter plate, a separation membrane, and a holding ring are integrally formed.
- Peripheral edge Flat surface Concentric projection Elastic sealing part Peripheral edge Perimeter bottom
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04771371A EP1669127A4 (en) | 2003-08-08 | 2004-08-06 | SIMPLIFIED FILTER DEVICE |
JP2005512975A JP4584838B2 (ja) | 2003-08-08 | 2004-08-06 | 簡易型フィルタ装置 |
US10/565,295 US20060273003A1 (en) | 2003-08-08 | 2004-08-06 | Simplified filter device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-289859 | 2003-08-08 | ||
JP2003289859 | 2003-08-08 | ||
JP2004228174 | 2004-08-04 | ||
JP2004-228174 | 2004-08-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005014148A1 true WO2005014148A1 (ja) | 2005-02-17 |
Family
ID=34137935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/011372 WO2005014148A1 (ja) | 2003-08-08 | 2004-08-06 | 簡易型フィルタ装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060273003A1 (ja) |
EP (1) | EP1669127A4 (ja) |
JP (1) | JP4584838B2 (ja) |
KR (1) | KR20060079791A (ja) |
TW (1) | TW200513314A (ja) |
WO (1) | WO2005014148A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010500162A (ja) * | 2006-08-10 | 2010-01-07 | アクイス ヴァッサー−ルフト−ジステーメ ゲーエムベーハー, リンダウ,ツヴァイクニーダーラッスング レブシュタイン | タンク |
JP2014209378A (ja) * | 2014-07-04 | 2014-11-06 | ホーチキ株式会社 | 感知器 |
CN105080343A (zh) * | 2015-08-19 | 2015-11-25 | 北京合创天地环保科技有限公司 | 膜柱和耐高压膜柱 |
JP2015536818A (ja) * | 2012-11-02 | 2015-12-24 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングMerck Patent Gesellschaft mit beschraenkter Haftung | フィルタ膜用支持装置およびフィルタ膜用円盤状多孔性支持要素 |
CN111346415A (zh) * | 2020-03-16 | 2020-06-30 | 安吉国千环境科技有限公司 | 一种滤网更换装置 |
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CA2716411C (en) * | 2008-02-27 | 2015-11-24 | Boehringer Ingelheim Microparts Gmbh | Apparatus for the separation of plasma |
EP2570167A1 (de) * | 2011-09-13 | 2013-03-20 | Bayer Intellectual Property GmbH | Gerät und Verfahren zur diskontinuierlichen Filtration |
DE102012015063B4 (de) * | 2012-07-31 | 2014-10-30 | Sartorius Stedim Biotech Gmbh | Vorrichtung und Verfahren zur Behandlung eines Filtrationsmediums |
KR101533647B1 (ko) * | 2013-10-24 | 2015-07-08 | 김영수 | 초음파 세척 기능을 갖춘 다단형 자동 압착 여과기 |
US9821253B2 (en) | 2013-11-19 | 2017-11-21 | Motor Components, Llc | Axially compact fuel filter |
US9850153B1 (en) * | 2014-12-19 | 2017-12-26 | Systems IV, Inc. | Chemical release system |
CN104524974B (zh) * | 2014-12-23 | 2016-08-24 | 浙江美易膜科技有限公司 | 一种具有低阻导流盘的耐高压分离过滤膜柱装置 |
KR101697457B1 (ko) * | 2016-03-30 | 2017-01-18 | 한국기계연구원 | 표적세포 포획용 필터장치 및 이를 이용한 표적세포 회수방법 |
KR102080584B1 (ko) * | 2018-08-24 | 2020-02-24 | 워터앤라이프 주식회사 | 필터 어셈블리, 필터 모듈 및 이를 포함하는 정수 장치 |
US11572291B2 (en) | 2021-02-17 | 2023-02-07 | King Abdulaziz University | Membrane filter apparatus for liquid mixtures |
CN115212725B (zh) * | 2022-07-27 | 2023-08-18 | 东风柳州汽车有限公司 | 滤膜重复利用装置及过滤器 |
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- 2004-08-06 US US10/565,295 patent/US20060273003A1/en not_active Abandoned
- 2004-08-06 EP EP04771371A patent/EP1669127A4/en not_active Withdrawn
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JP2010500162A (ja) * | 2006-08-10 | 2010-01-07 | アクイス ヴァッサー−ルフト−ジステーメ ゲーエムベーハー, リンダウ,ツヴァイクニーダーラッスング レブシュタイン | タンク |
JP2015536818A (ja) * | 2012-11-02 | 2015-12-24 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングMerck Patent Gesellschaft mit beschraenkter Haftung | フィルタ膜用支持装置およびフィルタ膜用円盤状多孔性支持要素 |
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CN111346415A (zh) * | 2020-03-16 | 2020-06-30 | 安吉国千环境科技有限公司 | 一种滤网更换装置 |
CN111346415B (zh) * | 2020-03-16 | 2021-12-14 | 安吉国千环境科技有限公司 | 一种滤网更换装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060273003A1 (en) | 2006-12-07 |
EP1669127A1 (en) | 2006-06-14 |
TW200513314A (en) | 2005-04-16 |
KR20060079791A (ko) | 2006-07-06 |
JPWO2005014148A1 (ja) | 2006-10-26 |
EP1669127A4 (en) | 2006-08-09 |
JP4584838B2 (ja) | 2010-11-24 |
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