Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D27/00—Cartridge filters of the throw-away type
  • B01D27/08—Construction of the casing
• • 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
  • B01D61/20—Accessories; Auxiliary operations
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
  • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
  • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
  • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
  • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
  • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
  • B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
  • B01D29/925—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate containing liquid displacement elements or cores
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
• • 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
• • 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2201/00—Details relating to filtering apparatus
  • B01D2201/30—Filter housing constructions
  • B01D2201/301—Details of removable closures, lids, caps, filter heads
  • B01D2201/302—Details of removable closures, lids, caps, filter heads having inlet or outlet ports
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2201/00—Details relating to filtering apparatus
  • B01D2201/30—Filter housing constructions
  • B01D2201/301—Details of removable closures, lids, caps, filter heads
  • B01D2201/305—Snap, latch or clip connecting means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2201/00—Details relating to filtering apparatus
  • B01D2201/40—Special measures for connecting different parts of the filter
  • B01D2201/4015—Bayonet connecting means
• • 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
  • C02F1/28—Treatment of water, waste water, or sewage by sorption
• • 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
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F2201/00—Apparatus for treatment of water, waste water or sewage
  • C02F2201/002—Construction details of the apparatus
  • C02F2201/006—Cartridges

Definitions

• the present invention relates to a filter cartridge, and in particular, is excellent in sealing performance between a stock solution and a purifying solution and between the inside and the outside of a cartridge, productivity of a purifying solution and reliability of a purifying function, and easy replacement.
• the present invention relates to a filter cartridge which has reliable and excellent maintainability, and is particularly preferably used for process equipment and household water purifiers in the fields of the chemical industry and the food industry.
• the present invention relates to a stationary water purifier for obtaining purified water from raw water such as tap water through a water purification mechanism including a filtering member such as a ceramic filter or a hollow fiber filter and an adsorbing member such as activated carbon and the like.
• a stationary water purifier for obtaining purified water from raw water such as tap water through a water purification mechanism including a filtering member such as a ceramic filter or a hollow fiber filter and an adsorbing member such as activated carbon and the like.
• a stationary water purifier for obtaining purified water from raw water such as tap water through a water purification mechanism including a filtering member such as a ceramic filter or a hollow fiber filter and an adsorbing member such as activated carbon and the like.
• the present invention relates to a stationary water purifier.
• the undiluted solution 701 to be purified taken in from one end is purified by permeating the inside, and the A cylindrical filter body 703 to be taken out as 2, a stock solution inlet 704 for taking in the stock solution 701, and a purification solution outlet 705 for taking out the purification solution 702, and a stock solution intake 70
• the filter case 706 and the filter body 703 are arranged so that the filter body 703 is stored in a sealed state except for the filter liquid outlet 7 and the purifying liquid outlet 705.
• the undiluted solution 701 introduced through the undiluted solution intake 704 of the filter case 706 penetrates the inside of the filter body 703 so that it is positioned and stored at the predetermined position in 6 Of the filter case 706 without entering the purified solution And as guided to the mouth 7 0 5, Phil evening Fill evening case 7 regions and including the corresponding outer edge portion of the main body 7 0 3 At least one sealing member 70 having an L-shaped cross-section cut along a plane including the center axis of the filter body 703 disposed between the areas including the inner edge of the filter 703. And a filter cartridge 700 having the following.
• the filter cartridge 700 has a filter case 706, a case body 706a including a stock solution inlet 704, and a case lid body 706b including a purifying solution outlet 705.
• O-rings 708 are provided between the inner peripheral wall of the case cover 706 and the outer peripheral wall of the case main body 706a in order to increase the reliability of the seal.
• the inner peripheral wall of the case lid 706 b and the outer peripheral wall of the case main body 706 a are screwed together in the corresponding areas to be detachably fixed and integrated. It is configured.
• the above-mentioned filter cartridge is excellent in that it has a certain effect on the sealing property between the undiluted solution and the purifying solution, and is easy to replace and has a certain effect on the maintenance property.
• a filter provided with a filter filter having at least a filtration layer containing activated carbon and a ceramic membrane filter incorporated in a case has been proposed (Patent No. 3 1 2 4 6 2 7)
• This water purifier is easy to replace, has a certain effect on maintainability, and suppresses clogging of ceramic membrane filter and increase in pressure loss. It is excellent in that it can.
• the purification solution 720 is configured to be taken out only from the end of the filtration body main body 703 on the side of the purification solution outlet 705 side.
• the purification treatment amount of 02 was limited, which was not satisfactory in terms of the productivity of the purified liquid.
• the outer peripheral wall portion of the filter body 703 is easily contaminated by bacteria and dirt because the flow of the purifying liquid 702 is easily blocked, and it is difficult to clean the outer peripheral wall portion of the filter body 703.
• Phil Yukariichi had to replace the cartridge itself.
• the user may inadvertently disassemble the integrated structure of the case lid part 706b and the case body part 706a, and continue to use it with the original purification function impaired. There was a title.
• the present invention has been made in view of the above problems, and has excellent sealing properties between a stock solution and a purifying solution and between the inside and the outside of a cartridge, as well as excellent purifying solution productivity and reliability of a purifying function. It is a first object of the present invention to provide a filter cartridge having easy and reliable replacement and excellent maintainability, and particularly suitable for use in process equipment and household water purifiers in fields such as the chemical industry and the food industry. And
• water purifiers currently on the market are roughly classified into two types: a type in which the water purification mechanism is attached to a water tap, and a stationary type in which the water purification mechanism is mounted at a position away from the faucet.
• the water purifier of the type that is attached to the tap is a water tap that has a cartridge with a built-in water purification mechanism, and a switching cock that switches between tapping straight water and discharging tap water.
• the water purification capacity is small because the size of the cartridge with a built-in water purification mechanism is limited due to the strength of the water tap and the handling, so it is used exclusively for home use.
• the stationary type requires a switching cock to switch between the case where the tap water is fed straight through the tap and the case where purified water is obtained. It can be used to increase the water purification capacity as appropriate, so that it is used for homes and businesses that use a large amount of purified water.
• the stationary water purifier 900 described in the above-mentioned Japanese Patent Application Laid-Open No. H11-147731 will be described.
• the water supply The flow path switch 904 that is directly connected to the faucet 902, etc., the water purifier body 906 that purifies the raw water, and the flow path switch and the water purifier body are connected and connected to purify the raw water.
• the flow path switch 904 has a raw water inlet connected to a faucet 902 via a nut 910.
• the lower end of the flow path switch 904 is a raw water outlet, and the rear end is a water supply port.
• the hose 908 is connected to this water supply port.
• the flow path switching valve (not shown) is housed, and the flow path switching valve is operated by a lever 912 provided on the side of the flow path switch 904, so that the raw water from the faucet 902 is discharged from the raw water outlet.
• the state can be switched between a state in which the water is discharged as it is and a state in which the state is guided to the water purifier main body 906 via the hose 908.
• the water purifier main body 9 06 has a cylindrical outer frame 9 14 with a bottom and an upper lid 9 18 that supports the filter unit 9 16 and fits into the outer frame 9 14.
• the outer frame 914 has an upper end opened and a disc-shaped bottom plate 922 fixed to the lower end. Then, one end of an L-shaped water inlet nozzle 9 24 provided with a flowing water channel at the center of the lower end is attached to an opening hole 9 26 formed in the bottom of the outer frame 9 14 in a watertight manner, and a bottom plate is provided.
• a hose 908 is rotatably supported by 922, and a hose 908 is connected to a water inlet 928 provided at the other end of the water inlet nozzle 924.
• the upper lid 918 has a filter unit 916 attached to the lower end thereof via a filter support plate 9330, and is detachably attached to the outer frame 914.
• the filter support plate 9330 has an L-shaped water outlet 932 extending radially from the center of the upper end, and a short cylindrical convex portion 934 opened at the center of the lower end.
• the water outlet 936 of the upper end of the filter unit 916 is detachably connected to the inner peripheral surface of the projection 9334.
• the lower water inlet 938 of the filter unit 916 is detachably connected to the outer peripheral surface of the water nozzle 924.
• an L-shaped connecting nozzle 940 having a water purification channel is provided to protrude upward from a semicircular opening 942 formed in an outer peripheral surface of an upper portion of the upper lid 918, and this connection is performed.
• the other end of the nozzle 9400 is connected to the water inlet 932 of the filter support plate, and a part of the connecting nozzle 9400 protruding from the opening 942 is located on the inner surface of the upper lid and the rest. Is outside the upper lid It protrudes to the side.
• the base end of the L-shaped water discharge pipe 920 is connected to the leading end of the connection nozzle 940, and the water discharge pipe 920 pivots about the central axis a of the connection nozzle 940. And the tip of the water discharge pipe 920 is bent downward. Therefore, in this type of water purifier body 906, since the tip of the water discharge pipe 920 can rotate within a predetermined angle range in a horizontal plane about the axis a as a rotation axis, the water supply position Can be changed in a wide range at the height where the tip of the water discharge pipe 920 is located, but since the water discharge pipe 920 cannot be rotated in a vertical plane with one end thereof as a rotation center.
• the present inventors have conducted intensive studies to solve the above-mentioned problems of the water purifier main body.
• the water purifier is configured to rotate in a vertical plane about one end of the water discharge pipe itself as a rotation center. It has been found that even if the water discharge pipe is moved while the supply of water is stopped, there is no danger of dripping, but if the water discharge pipe itself can be rotated not only in the vertical plane but also in the horizontal plane,
• the rotating mechanism has a so-called articulated structure, and the structure is complicated, so that there is a high possibility that water will leak at that part, and it will be difficult to stop and fix the tip of the water discharge pipe at a desired position.
• the main unit is rotatable in a horizontal plane with its central axis as a rotation axis, so that the hot water supply nozzle can be freely rotated 360 degrees in the horizontal plane.
• these configurations are used when nothing is connected to the outside or when the connection to the outside is flexible such as an electric cord. It is applicable because the cord can follow the movement of the electric pot, but it can be applied to the one in which a rigid water supply hose is attached to the water purifier body like the stationary water purifier of the present invention.
• the present invention has been made in view of the above-mentioned problems, and has been developed in view of the above-described problem.
• a water supply hose is provided in a stationary water purifier to which a rigid water supply hose is attached. To provide a stationary water purifier that can move the position of the water discharge pipe not only in the horizontal direction but also in the vertical direction without moving the water, and has a simple configuration and is less likely to leak water. This is the second purpose. Disclosure of the invention
• the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, by making the structure of the seal member and the filter body a configuration in which the cleaning solution can pass through the outer peripheral wall of the filter body, The present inventors have found that the first object can be achieved, and have completed the present invention.
• the present invention provides the following filter cartridge.
• a cylindrical filter body for purifying a stock solution to be purified which has been taken in from one end and permeating the inside of the stock solution to remove the stock solution as a purified solution, a stock solution inlet for taking in the stock solution, and the purified solution
• the case is provided in a formed state, and is separately divided into a case lid body having the purified liquid outlet and a case body having the undiluted solution intake, and the case
• the inner peripheral wall of the lid and the outer peripheral wall of the case body are detachably fixed and integrated, and the sealing member is
• the cleaning liquid is disposed at an edge of the filter main body on the side of the cleaning liquid discharge port, and is formed of an annular elastic body. The cleaning liquid is discharged from the outer peripheral wall of the filter main body through the flow path.
• Filtration cartridge hereinafter sometimes referred to as "first invention”
• first invention characterized by having a communication groove leading to the mouth.
• the filter body has a structure for taking out the purifying liquid from the other end side and the outer peripheral wall side, and the filter case is provided between the filter body and the outer peripheral wall of the filter body.
• the casing body is divided into separate parts, and the inner peripheral wall of the case lid and the outer peripheral wall of the case main body are detachably fixed by screwing in corresponding areas.
• the case lid portion is further integrated with the other side of the filter body so that the filter body is positioned and housed at a predetermined position in the filter case on an inner surface thereof.
• the ratchet lock means is provided on the case lid, a rib structure having a first locking member at a tip thereof, and the first is provided on an upper end of the case body.
• the ratchet lock means may be configured such that each of the surfaces of the case lid and the case body that abut against each other is rotatable only in a direction in which the case lid and the case body are screwed.
• the ratchet lock means is provided on the case lid, a second locking member having a claw portion at a tip thereof, and the second locking provided on an inner wall of the case body.
• the first invention excels in sealing performance between the undiluted solution and the purifying solution and between the inside and the outside of the cartridge, the productivity of the purifying solution, and the reliability of the purifying function.
• a filter cartridge having easy and reliable replacement and excellent maintainability, and particularly suitable for use in process equipment and household water purifiers in the fields of the chemical industry and the food industry.
• the inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, the rotation range in the horizontal plane actually required for the stationary water purifier is determined by a well-known tabletop thermos or an electric pump. Since a very narrow range is sufficient compared to the rotation range used in the water jet, the water discharge pipe itself can rotate in a vertical plane.
• the present inventors have found that the second object can be achieved by employing a configuration in which the water purifier body is rotated by a predetermined angle in a horizontal plane without moving a water supply hose that has not been employed. Was completed.
• the present invention provides the following stationary water purifier.
• a water purifier main body having a water discharge pipe on the side thereof is provided, and the supplied raw water is guided to the water purifier main body to purify the purified water, and the purified water can be discharged from the water discharge pipe.
• the water purifier main body can be rotated by a predetermined angle in a horizontal plane with its central axis as a rotation axis, and the water discharge pipe is pivoted around one end of the water purifier main body.
• a stationary water purifier capable of rotating in a vertical plane, wherein the water purifier main body comprises: a water discharge pipe; and a power cartridge assembly for purifying raw water flowing from an inlet of the water discharge pipe.
• a lower base member having a water inlet nozzle connected to the water inlet of the power cartridge assembly at a central portion, and a raw water supply port connected to the water inlet nozzle at an outer peripheral portion; and a lower base member in front of the lower base member.
• An upper base member attached to the lower base member so as to be rotatable by a predetermined angle in a horizontal plane with its central axis as a rotation axis; and a body cover detachably attached to the upper base member.
• a stationary water purifier hereinafter sometimes referred to as a "second invention").
• the rotation mechanism is simplified, and the upper base member and the body cover can rotate in a horizontal plane with the lower base member fixed.
• the water supply hose connected to the raw water supply port of the lower base member also does not move, so that dripping that occurs when the water discharge pipe is rotated in a horizontal plane does not occur, and the cartridge assembly can be easily made. Can be replaced.
• the cartridge assembly has the water inlet at a lower end and a water outlet at an upper end, and the water outlet is fitted water-tightly to one end of a cylindrical member fixed to the body cover, and the cylindrical member is The other end of the cartridge is connected to the water discharge pipe, and the water inlet of the cartridge assembly is rotatable in a horizontal plane around the center axis of the water inlet nozzle of the lower base member in a watertight manner.
• the cartridge Wherein the exterior of the cartridge assembly is fixed to the upper base member, and when the main body cover is rotated, the cartridge assembly is also configured to rotate in conjunction therewith. Stationary water purifier.
• the water outlet of the cartridge assembly is fitted into one end of a cylindrical member fixed to the main body cover in a watertight manner so as to be rotatable about a central axis as a rotation axis in a horizontal plane and the cylindrical member.
• the other end of the cartridge assembly is connected to the water discharge pipe, and the water inlet of the cartridge assembly is fitted in a watertight manner with the water inlet nozzle of the lower base member.
• the stationary water purifier according to [11] wherein the stationary water purifier is fixed to a base member, and the power cartridge assembly is not rotated even when the body cover is rotated.
• the main body cover has two protrusions protruding inward at a plurality of circumferential positions near a lower end thereof, and the upper base member is positioned at the predetermined position.
• the upper base member has a large-diameter portion, and after the two protrusions at each of a plurality of locations of the main body cover are fitted to the notches, respectively.
• the main body cover can be easily attached to or detached from the upper base member.
• the upper base member has at least one locking projection on an outer periphery thereof, and further rotating the main body cover causes one of the two protrusions of the main body cover to move.
• connection between the main body cover and the upper base member is strengthened, and both can be integrally rotated during use.
• the force cartridge assembly may have at least one vertically extending outer surface. And a pair of ribs, wherein the rib functions as a guide that slides between the two protrusions of the main body cover when the main body cover is attached.
• the stationary water purifier according to the above [14].
• a ratchet mechanism capable of locking the water discharge pipe by locking the rotation of the water discharge pipe at predetermined angle intervals over a predetermined angle range in a vertical plane.
• the stationary water purifier according to any one of [11] to [16], wherein the water purifier has:
• the water discharge pipe is firmly fixed to a predetermined position to some extent, so that there is no possibility that the water discharge pipe will be rotated by the discharge pressure of the purified water.
• the lower base member has an L-shaped nipple at the raw water supply port, the L-shaped nipple being rotatable in a vertical plane around a center axis of the raw water supply port.
• the stationary water purifier according to any one of [17] to [17].
• the position of the water discharge pipe can be moved not only horizontally but also vertically without moving the water supply hose, and Provided is a stationary water purifier having a simple configuration and a low risk of water leakage or dripping.
• FIG. 1 is a cross-sectional view schematically showing a first embodiment of a filter cartridge according to the present invention (first invention).
• FIG. 2A is an exploded perspective view showing, in an enlarged manner, a case cover, an end of a filter main body, and a first seal member according to the first embodiment of the present invention (first invention).
• FIG. 2B is an enlarged perspective view of a portion (A) of the communication groove of the first seal member in FIG. 2A
• FIG. 2C is a perspective view of FIG.
• FIG. 2 (a) is an enlarged perspective view of a coupling groove portion (portion B) of the first seal member in FIG. 2 (a)
• FIG. 2 (d) shows the flow of the purification solution in the portion shown in FIG. 2 (a).
• FIG. 3 is a cross-sectional view schematically showing a configuration of a part of the filter main body according to the first embodiment of the present invention (first invention).
• FIG. 4 is a sectional view schematically showing a second embodiment of the filter cartridge according to the present invention (first invention).
• FIG. 5 (a) is an exploded perspective view showing, in an enlarged manner, a case lid portion and an end portion of a filter main body in the second embodiment
• FIG. 5 (b) is an exploded perspective view.
• 3A and 3B are a cross-sectional view and a partially enlarged view showing the flow of the purification liquid in the section shown in FIG.
• FIG. 6A is an exploded perspective view showing, in an enlarged manner, a case lid and an end of a filter main body in a modification of the second embodiment
• FIG. 6B is an exploded perspective view.
• FIG. 3 is a cross-sectional view showing the flow of the purification liquid in the portion indicated by).
• FIG. 7A is an exploded perspective view schematically showing a third embodiment of the filter cartridge of the present invention (first invention), and FIG. 7B is an enlarged view of the ratchet lock means.
• FIG. 7 (c) is a cross-sectional view showing a state where the ratchet lock means is locked.
• FIG. 8A is an explanatory view showing a modification of the ratchet lock means
• FIG. 8B is a sectional view thereof.
• FIG. 9 is an explanatory view showing another modification of the ratchet lock means.
• FIG. 10 is a cross-sectional view schematically showing an example of a conventional cartridge.
• FIG. 11 is a plan cross-sectional view schematically showing a stationary water purifier of the present invention (second invention) in a state in which an upper end portion of a main body cover is removed.
• FIG. 12 is a front sectional view taken along line AA in FIG.
• FIG. 13 is a side sectional view taken along line BB in FIG.
• FIG. 14 is a partially enlarged cross-sectional view of FIG.
• FIG. 15 (a) is a partially enlarged view of the outer peripheral side surface of the upper base member
• FIG. 15 (b) is a cross-sectional view taken along line CC of FIG. 15 (a) including the main body cover.
• FIG. 16 is an explanatory diagram schematically showing an example of a conventional stationary water purifier.
• FIG. 17 is a side sectional view of the conventional stationary water purifier shown in FIG.
• FIG. 18 is a diagram showing an example of a filter main body (porous filter) used in one embodiment of the present invention (first and second inventions), and FIG. 18 (b) is a plan view thereof, FIG. 18 (c) is a perspective view thereof viewed from another end surface, and FIG. 18 (d) is a plan view thereof.
• a filter main body porous filter
• FIG. 19 is an explanatory diagram schematically showing a filtration mechanism using a filter body (porous filter) used in one embodiment of the present invention (first and second inventions).
• FIG. 20 is a plan view schematically showing another example of the filter main body (porous filter) used in one embodiment of the present invention (first and second inventions).
• FIG. 21 is a cross-sectional view schematically showing an example of a water purifier provided with a filter body (porous filter) used in one embodiment of the present invention (first and second inventions).
• FIG. 22 is a diagram schematically showing another example of a filter body (porous filter) used in one embodiment of the present invention (first and second inventions). ) Is a perspective view from one end face, FIG. 22 (b) is a plan view, FIG. 22 (c) is a perspective view from another end face, and FIG. 22 (d) is a plan view. .
• FIG. 23 (a) is a sectional view taken along the line II-II of FIG. 22 (b), and FIG. 23 (b) is an enlarged view of a portion II (b) of FIG. 23 (a).
• FIG. 24 is a cross-sectional view schematically illustrating an example of a water purifier provided with a filter body (porous filter) used in one embodiment of the present invention (first and second inventions).
• FIG. 25 is a diagram schematically showing another example of a filter main body (porous filter) used in one embodiment of the present invention (the first invention and the second invention). a) is a perspective view from one end face, FIG. 25 (b) is a plan view, FIG. 25 (c) is a perspective view from another end face, and FIG. 25 (d) is a plan view. .
• FIG. 26 (a) is a cross-sectional view taken along the line II-II of FIG. 25 (b), and FIG. 26 (b) is an enlarged view of a portion II (b) of FIG. 26 (a).
• FIG. 27 is a diagram showing a filter used in one embodiment of the present invention (first and second inventions). It is sectional drawing which shows typically an example of the water purifier provided with the ruta main body (porous filler).
• FIG. 1 is a sectional view schematically showing a first embodiment of a filter cartridge according to the present invention (first invention).
• the filter cartridge of the first embodiment purifies the undiluted solution 101 to be purified taken in from one end by permeating the inside thereof, and the purified solution 102 It has a cylindrical filter body 103 to be taken out as a raw solution, a stock solution inlet 104 to take in the stock solution 101, and a purifying solution 102 to take out the oxidized solution outlet 105, and a stock solution inlet 104.
• the filter case 1 106 and the filter body 1 103 are arranged so that the filter body 103 is housed in a sealed state except for the purifier outlet 105.
• a filter cartridge 100 comprising: a filter main body 103 having the other end side and It has a structure to take out the purifying liquid 102 from the outer peripheral wall side, and the purifying liquid 102 between the filter case 106 and the outer peripheral wall of the filter main body 103 is taken out.
• a case main body having a case lid portion 106 b having a flow passage 108 leading to the liquid supply port and having a depleted solution outlet 105, and an undiluted solution inlet 104.
• FIG. 1 shows a case where the inner peripheral wall of the case lid 106b and the outer peripheral wall of the case body 106a are fixed by screwing in the corresponding areas. However, the outer peripheral wall of the case lid portion 106 b and the inner peripheral wall of the case body portion 106 a are fixed by screwing in corresponding areas.
• A may be) in the first seal member 1 0 7 a, together with an annular elastic member, the cleaning liquid 1 0 2 of the filter body 1 0 3 periphery
• FIG. 1 shows a case where the filter body 103 is composed of a ceramic porous film (ceramic filter) 103a and activated carbon 103b (the same applies hereinafter).
• annular projection 106c is protruded substantially inside the middle of the case main body 106a to divide the space inside the case main body 106a into two rooms, and a room above the annular projection 106c is formed.
• the ceramics porous membrane (ceramic filler) 103a fixed and positioned via the second seal member 107b is disposed on the outside, and the activated carbon 103b fixed and positioned by the nonwoven fabric 107c is annularly formed. It is configured to be arranged and stored in the room below the projection 106c.
• a 0-ring 115 is attached to the undiluted solution inlet 104 and the purified liquid outlet 105 to enhance the sealing performance with external piping and the like.
• FIG. 2A is an exploded perspective view showing, in an enlarged manner, a case lid, an end of a filter main body, and a first seal member according to the first embodiment of the present invention (first invention).
• FIG. 2 (b) is an enlarged perspective view showing a portion (A) of the communication groove of the first seal member in FIG. 2 (a)
• FIG. 2 (c) is a perspective view of FIG.
• FIG. 2 (a) is an enlarged perspective view of a coupling groove portion (part B) of the first seal member in FIG. 2 (d)
• FIG. It is sectional drawing which shows a flow.
• the inner peripheral wall of the case lid 106b and the case body 106a are connected to the sealing member 107a (the sealing member 107a is connected to the communication groove 109 and the case 107a).
• a coupling groove 110 coupled to the coupling convex portion 120a of the rib structure 120 formed on the lid portion 106b), and the filter main body 103 is housed therein. In this state, it is detachably fixed and integrated by screwing.
• the communication groove 109 of the seal member 107a is provided between the outer peripheral wall of the filter body 103 and the filter cases 106a, 106b (see FIG. 2 (a)).
• the oxidizing solution 102 is guided to the oxidizing solution outlet 105 via a flow path 108 formed in the tub.
• a plurality of cells 103c serving as a flow path of the oxidizing solution 102 are formed in the filter main body 103.
• the cells 103 c have plugging material 103 d at both ends.
• the stock solution is alternately plugged, so that the stock solution 101 can pass through the porous partition walls 103 e constituting the filter body 103 so that the purified solution 102 can be manufactured efficiently. ing.
• the connecting groove 110 of the seal member 107a is formed with a rib structure 120 formed on the case lid 106b (see FIG. 2 (a)). (See FIG. 2 (a)). Therefore, when the sealing member 107 a is screwed together with the case lid part 106 b and the case body part 106 a (see FIG. 2 (a)), the sealing member 107 a together with the case lid part 106 b is formed. By rotating and sliding the end face of the filter body 103 (see FIG. 2 (a)), a smooth screwing can be achieved.
• the material of the sealing member 107 a is, as described above, in terms of water resistance, slipperiness, mechanical strength, moderate elasticity, and the like, in terms of fluororesin such as tetrafluoroethylene, polyester elastomer, A preferred example is polyoxymethylene (POM).
• POM polyoxymethylene
• the purified liquid 102 that has been purified by passing through the outer peripheral wall of the filter body 103 is used for communicating the flow path 108 and the sealing member 107 a. It flows toward the purifying liquid outlet 105 through the groove 109. Note that the purified liquid 102 which has been purified by passing through the central portion of the filter main body 103 does not pass through the communication groove 109 of the flow path 108 and the sealing member 107a. Then, it flows directly toward the purified liquid outlet 105.
• the purifying liquid 102 flows not only through the central portion of the filter body 103 but also through the outer peripheral wall, the purifying amount of the purifying liquid can be increased, and bacteria can be generated. It is possible to automatically clean the outer peripheral wall contaminated by the above-mentioned method, and it is possible to improve the productivity and the maintainability of the purified liquid while ensuring the sealing performance.
• FIG. 4 is a sectional view schematically showing a second embodiment of the filter cartridge according to the present invention (first invention).
• the filter cartridge of the second embodiment purifies the undiluted solution 201 to be purified, which has been taken in from one end, through the inside thereof.
• a filter cartridge 200 comprising: 210 b, wherein the filter body 203 has a structure for taking out the purifying liquid 202 from the other end side and the outer peripheral wall side, The filter case 206 is used to guide the purifying liquid 202 to the purifying liquid outlet 205 between the filter and the outer peripheral wall of the filter main body 203.
• a case main body 206 having a case lid body 206 having a passage 208 formed therein and having a purified liquid outlet 205, and a stock solution inlet 204.
• the case lid part 206 b is positioned on the inner surface, and the filter body 203 is positioned and stored at a predetermined position in the filter case 206.
• the cleaning liquid 202 comes into contact with the other end of the filter main body 203, and the cleaning liquid 202 flows from the outer peripheral wall of the filter main body 203 to the cleaning liquid outlet 205 through the flow path 208.
• It has a rib structure 220 of a guiding shape, and has an inner peripheral wall of the case lid portion 206 b and an outer peripheral wall of the case body portion 206 a.
• the other end of the filter body 203 is provided as a rotation preventing means for preventing rotation of the filter body 203 when being removably fixed and integrated by screwing in corresponding areas. Further, a ring for preventing rotation of the filter 207 interposed between the portion and the rib structure 220 of the case lid portion 206b is further provided.
• annular projection 206 c is protruded substantially inside the middle part of the case main body 206 a to divide the space in the case main body 206 a into two rooms.
• a ceramic porous membrane (ceramics filter) 203a fixed and positioned in the upper room of 6c via the third seal member 210a is fixed by nonwoven fabric 210b etc. Place the positioned activated carbon 203 b in the lower room of the annular projection 206 c. It is configured to be installed and stored.
• An O-ring 215 is attached to the undiluted solution inlet 204 and the purified liquid outlet 205 to enhance the sealing with external piping.
• FIG. 5 (a) is an exploded perspective view showing, in an enlarged manner, the case lid portion and the end portion of the filter main body according to the second embodiment
• FIG. 5 (b) is an exploded perspective view.
• FIG. 4 is a cross-sectional view and a partially enlarged view showing the flow of the purification liquid in the part shown.
• the inner peripheral wall of the case lid 206b and the case main body 206a are provided with a filter rotation preventing ring 03 is stored and fixed so that it can be removed by screwing it together.
• the case lid 206 b has a communication groove 220 a, a filter rotation preventing ring 207, and a grip projection 220, which grips the filter main body 203. Rib structure 220.
• the rotation of the case lid 206 b causes the rotation of the case lid 2.
• the third seal member 210 is transmitted to the end face of the filler body 203 via the tip face of the rib structure 220 at the b 6b, and rotating the filler body 203, as shown in FIG. 4) can be effectively prevented from being damaged. That is, the rotation of the rotation to the filter main body 203 is prevented by interposing the filter rotation prevention ring 207 made of a material having high slipperiness, and the seal member 210 (shown in FIG. ) Can be effectively prevented.
• the material of the anti-rotation ring 207 is as follows. From the viewpoints of water resistance, slipperiness, mechanical strength, moderate elasticity, etc., fluorine resin such as tetrafluoroethylene, polyester, etc. Preferred examples include Elastomer and Polyase Yuichiru (trade name: "Jyuracon").
• the purified liquid 202 that has been purified by passing through the outer peripheral wall of the filter body 203 is removed from the flow path 208 and the case lid 206b. It flows toward the purified liquid outlet 205 through the communication groove 220 a of the valve structure 220.
• the purified liquid 202 that has been purified by passing through the central portion of the filter main body 203 flows directly toward the purified liquid outlet 205.
• the purified liquid 202 flows not only through the central portion of the filter body 203 but also through the outer peripheral wall, so that the amount of the purified liquid can be increased, and the purified liquid 202 is contaminated by bacteria and the like. This makes it possible to automatically clean the outer peripheral wall, thereby improving the productivity and maintainability of the purified liquid while ensuring the sealing performance.
• FIG. 6 (a) is an exploded perspective view showing, in an enlarged manner, a case lid and an end of a filter body in a modification of the second embodiment
• FIG. 6 (b) is an exploded perspective view.
• FIG. 2 is a cross-sectional view showing the flow of the purification liquid in the portion indicated by ().
• a rib projection 320a in which the case lid portion 360 contacts the end of the filter body 303 with a small area is used as a rotation preventing means.
• a rib structure in other words, the inner peripheral wall of the case lid portion 300 b and the case main portion 303 a are detachably fixed and integrated by screwing together with the filter main body 303 stored therein,
• the case lid part 360 b has a rib structure 320 having a rib projection 320 a and a gripping convex part 320 b holding the filter main body 303.
• the rotation of the case lid portion 306b causes the case lid portion 306 to rotate.
• the third seal member 210 (see FIG. 4) is transmitted to the end face of the filter main body 303 via the end face of the rib structure 320 in b, and rotates the filter main body 303. ) Can be effectively prevented from being damaged. That is, the surface resistance is reduced by interposing the rib projections 320a that come into contact with the end of the filter body 303 with a small area, the transmission of rotation to the filter body 303 is prevented, and the sealing section is formed. Material 210 (see FIG. 4) can be effectively prevented from being damaged.
• the material of the rib projections 320a is, for example, a fluorine-based material such as tetrafluoroethylene, in terms of water resistance, slipperiness, mechanical strength, and appropriate elasticity.
• a fluorine-based material such as tetrafluoroethylene
• Preferred examples include resin, polyester elastomer, and polyoxymethylene (POM).
• the purified liquid 302 that has passed through the outer peripheral wall of the filter body 303 is purified in the flow path 308 and the case lid part 306b.
• the above-described effect can be exerted by allowing the purifying liquid 302 to flow not only through the central portion of the filter main body 303 but also through the outer peripheral wall.
• FIG. 7 (a) is an exploded perspective view schematically showing a third embodiment of the filter cartridge of the present invention (first invention), and FIG. 7 (b) is an enlarged view of the ratchet lock means.
• FIG. 7 (c) is a cross-sectional view showing a state where the ratchet lock means is locked.
• the filter cartridge according to the third embodiment is configured such that the case lid portion 406 b is screwed with the case body portion 406 a in the rotational direction when screwed.
• a ratchet lock means that does not rotate in the opposite direction (release direction), a rib structure 420 provided on the case lid portion 406 b and having a first locking member 420 a at the tip thereof; A locking member provided at the upper end of the case main body 406a for preventing rotation of the first locking member 420a in a direction opposite to the direction in which the first locking member 420a is screwed (release direction) on its side wall.
• the first locking member 424a of the rib structure 420 is formed. Penetrates into the locking holes 430 of the case body 406a, but as shown in FIG. 7 (c), the distal end surfaces of the first locking members 420a are screwed together. In the case of rotation in the opposite direction (release direction), the rotation is prevented by the side wall of the locking hole 430 (in the case of rotation in the same direction as the screwing direction, it must cross the side wall and rotate. It is formed in such a shape. In this case, it is preferable that a predetermined inclination angle 0 is formed on the distal end surface of the first locking member 420a. This inclination angle is preferably from 20 to 80 degrees, more preferably from 30 to 70 degrees, and particularly preferably from 45 to 60 degrees.
• FIG. 8A is an explanatory view showing a modification of the ratchet lock means
• FIG. 8B is a sectional view thereof.
• the ratchet lock means As shown in FIGS. 8 (a) and (b), in this modification, the ratchet lock means The surfaces of the case lid 506 b and the case body 506 a that abut each other are only in the direction in which the case lid 506 b and the case body 506 a are screwed together. It has a rotatable shape (jagged shape 530a, 530b). Note that FIG. 8A shows only the case lid 506b.
• FIG. 9 is an explanatory view showing another modification of the ratchet lock means.
• the ratchet lock means includes a second locking member 6200 provided on the case lid portion 606b and having a claw portion 620a at the tip.
• a lock that is provided on the inner wall of the case body 606 a and that prevents rotation of the second locking member 620 in a direction opposite to the screwing direction of the claw portion 620 a of the second locking member 620.
• Groove 630 is provided on the inner wall of the case body 606 a and that prevents rotation of the second locking member 620 in a direction opposite to the screwing direction of the claw portion 620 a of the second locking member 620.
• the provision of the ratchet lock means can prevent a reduction in the purification function due to an inadvertent disassembly or the like by the user, and can enhance the reliability of the purification function.
• the filter body used in the filter cartridge of the present invention is, for example, made of hollow fiber or ceramic (the shape is such that a plurality of cells as a flow path are alternately plugged.
• Honeycomb-shaped ones and monolith-shaped ones and fibrous or granular activated carbon.
• ceramics filler ceramic porous film having excellent heat resistance and corrosion resistance can be preferably used. It may be a combination with activated carbon.
• the filter case (material) used in the filter cartridge of the present invention examples include PP, ABS, and PVDF, which are easy to form and can be easily recycled after use. (Polyvinylidene fluoride) and the like.
• the material of the case lid and the case body is preferably the same, but may be different.
• the case lid and the rib structure are an integral structure and are preferably made of the same material. However, they may be separately formed of different materials and mechanically connected to each other, or may be bonded with an adhesive or They may be joined by heat fusion.
• the second and third seal members used in the cartridge of the present invention include, for example, silicone rubber for food, natural rubber, and EP rubber. And the like.
• the stock solution used in the present invention is not particularly limited, and examples thereof include various liquids used in tap water, the chemical industry, the food industry, and the like.
• an O-ring is provided between the outer peripheral wall of the case lid and the inner peripheral wall of the case main body in order to increase the reliability of the seal.
• an O-ring is provided between the outer peripheral wall of the case lid and the inner peripheral wall of the case main body in order to increase the reliability of the seal.
• the water purifier main body 8 10 of the present invention includes a base member 8 composed of a lower base member 8 12 and an upper base member 8 14. 16, a main body cover 818 which is rotatably engaged with the base member 816 and has a closed upper part, a cartridge assembly 820 provided in the main body cover 818, It comprises a water discharge pipe 8 2 1 for discharging purified water.
• the cartridge assembly 818 used in the present invention includes a filter material such as a ceramic filter medium and a hollow fiber filter medium, an adsorbent such as activated carbon, an ion exchange resin, and an ion exchange fiber, and other minerals.
• the cartridge cartridge of the first invention described above may be used as the cartridge assembly.
• foot rubber 8 2 2 is fixed from the bottom with a few places, preferably 4 places, and screws 8 2 4 for the purpose of preventing slippage and damage to the mounting surface.
• the lower base member 812 has a cylindrical rising portion 826 on the outer peripheral side of which the outer peripheral surface of the main body cover 818 can be rotatably slidably contacted, and a main body cover immediately inside thereof.
• a cover holder 8 27 consisting of a shoulder for receiving 8 18, an arc-shaped convex portion 8 2 8 that rotatably supports the upper base member 8 14 on the inner peripheral surface, and a central portion
• the water inlet nozzle 8330 is equipped with a water inlet 832, an L-shaped nipple 834 and a water supply hose 8 that are attached to the water inlet 832 in a watertight manner and rotatable. It is connected to raw water sources such as tap water via 36.
• the other end of the L-shaped nipple 8 3 4 that is bent into an L-shape can rotate 360 degrees in a vertical plane.
• the hose 836 is fixed to the L-shaped nipple 834 via the hose fixing nut 838, and the arc-shaped convex portion 828 is formed in an arc shape so as not to overlap with the water inlet 832.
• it is provided in an arc shape having a central angle of about 270 degrees.
• An arc-shaped concave portion 829 of an upper base member 814 is rotatably engaged with an upper portion of the arc-shaped convex portion 828 of the lower base member 812.
• the member 8 14 is connected to the lower base member 8 1 2 by a holder fixing ring 8 40 extending horizontally outward to the upper end of the water inlet nozzle 8 30 of the lower base member 8 12. Is fixed so as not to be separated, and is rotatable on the lower base member.
• the center angle of the arc-shaped concave portion 829 is smaller than the center angle of the lower arc-shaped convex portion 828. , Preferably at about 150 degrees.
• the upper base member is rotatable with respect to the lower base member by the difference between the center angles thereof, for example, about 120 degrees in the preferred example described above.
• the holder fixing ring 840 may be fixed to the top of the water inlet nozzle 830 by ultrasonic welding or the like.
• a plurality of positions preferably at four points
• two projecting portions 8 42 protruding inward are provided, and the upper base member 8 14
• a plurality of projections 842 of the body cover 818 are fitted into the cutouts 841 provided at predetermined positions, and the lower end of the body cover 818 comes into contact with the cover holder 827.
• the lock projections 8 4 4 provided on the outer peripheral surface of the step 14 get over the locking projections 8 4 4 and come into contact with the stoppers 8 4 5 .
• the locking projections 8 4 4 have two projections as shown in Fig. 15 (b). It will be located between parts 8 4 2.
• the two projections 842 may have the same size or different sizes, respectively, and FIG. 15 (b) illustrates a different size.
• the main body cover 8 18 and the upper base member 8 14 are integrated with each other and ride over the lower base member 8 1 2 within a predetermined angle range, specifically, the locking convex portion 8 4 4.
• the rotation can be made only by an angle smaller by the central angle occupied by the projection 8842, for example, about 90 degrees in the preferred embodiment described above.
• a relative positioning is required between the main unit cover 8 18 and the lower base member 8 12, two units should be provided at multiple locations on the main unit cover 8 18.
• At least one of the projections 8 4 2 is appropriately shifted in the circumferential direction from the equidistant positions corresponding to a plurality of locations, and the notch 8 4 1 of the upper base member is locked.
• the positions of the convex portion 844 and the stopper 845 may be shifted in the circumferential direction correspondingly.
• At least one pair of vertically extending ribs is provided on the outer surface of the cartridge assembly 8 18, and two ribs are provided inside the main body cover 8 18.
• the projections 842 can slide between a pair of ribs. Then, the rib serves as a guide when attaching the main body cover 8 18, so that the physical strength bar 8 18 can be attached smoothly.
• a water purification connector plate 846 fixed to the main body cover 818 and rotating together is provided, and the water purification connector plate 846 is provided with the cartridge assembly 820.
• the water outlet 847 at the upper end is provided with a short cylindrical member 848 that fits in a watertight manner through a 0-ring, and the other end of the cylindrical member 848 is connected to the other end via a connecting pipe 8550.
• the water spouting connector 856 is connected.
• the water inlet 851 at the lower end of the cartridge assembly 8200 has a check valve 852, and is fitted in a watertight manner into the water inlet nozzle 8330 of the lower base member 812 to supply water.
• Raw water such as tap water supplied via a hose 8 36 is supplied with an L-shaped hose nipple 8 3 4, lower base member 8 1 2 water inlet 8 3 2, water inlet nozzle 8 3 0 and check valve 8
• the raw water purified by the cartridge assembly 820 is supplied through the water outlet 847 at the upper end thereof, the opening of the water purification connector plate 846, the connecting pipe 8
• the water is discharged from the outlet end of the water discharge pipe 82 1 through the water discharge connector 50 and the water discharge connector 85 6.
• a projection 853 (see FIG. 12) is formed at the lower end of the cartridge assembly 82, and the projection 853 is mounted on the upper base member 814.
• the water discharge pipe 821 has an L-shaped tip (not shown), and is connected to the water discharge connector 851 fixed to the side of the body cover 818 via the connection pipe 8500. It is attached to 6 so that it can rotate in the vertical plane. Further, the water discharge connector 856 is provided with a ratchet 858, a snap ring 860 and a cap 862, and the water discharge pipe 8221 turns the side of the body cover 8180 by 360 degrees. Movably mounted, but preferably at a predetermined angle between about 45 degrees and 180 degrees relative to the vertical axis, over a predetermined range of angles in the vertical plane. It is desirable to be configured so as to be locked and fixed by the ratchet at each interval. By doing so, the water discharge pipe 8 21 is fixed at a predetermined angle interval from about 45 degrees downward to just above, giving a click feeling and the water discharge pipe with the force of purified water discharge. 8 2 1 does not rotate spontaneously.
• the one end of the cylindrical member 848 fixed to the main body cover 818 is water-tightly rotatable at the upper water outlet 847 of the cartridge assembly 8200.
• the water nozzle 830 is fixed in a watertight manner, and the cartridge assembly 3200 is also turned when the main body cover 818 is turned.However, the present invention is not limited to this.
• one end of the cylindrical member 848 fixed to the body cover 818 is watertightly fixed, and the other end of the cylindrical member 848 is connected to the water discharge pipe 82. 1 and the water inlet 830 of the lower base member 812 is attached to the water inlet 851 at the lower end of the cartridge assembly 820 so as to be rotatable in a watertight manner.
• An appropriate member is used to engage the water inlet 831 at the lower end of 820 with the water inlet nozzle 8330 of the lower base member 812 to rotate the body cover 818.
• the cartridge assembly 820 may be configured not to rotate.
• the ⁇ _ring of the water inlet 851 at the lower end of the power cartridge assembly 8200 is attached to the side of the water purifier body where the raw water pressure is high, but the ⁇ ring is the lower base.
• the O-ring is installed so that the outer shape of the O-ring does not slide on the water inlet nozzle 8330 of the member 812, so even if it is applied to a water purifier equipped with a large power cartridge assembly, it rotates. This is preferable because the force required for the reduction can be reduced.
• the cross section means a cross section perpendicular to the X-axis direction in FIG. 18 (a) unless otherwise specified.
• the porous filter 1001 which is an example of the filter body (porous filter) used in one embodiment of the present invention (the first and second inventions), is shown in FIGS. 18 (a) to 18 (d). ),
• the porous body has a large number of flow passages 1003a and 1003b communicating from one end face 1041 to the other end face 104.
• the open ends of the predetermined flow passages 1003a adjacent to each other are linearly continuous.
• the other end face 104 is sealed, and the open end of the remaining flow passage 103 b is sealed.
• ⁇ indicated by a dotted line indicates a flow passage whose end face is sealed at its end face
• ⁇ indicated by black indicates a flow path at its end face.
• 3 shows an open flow passage. With such a configuration, the opening ends are linear
• the fluid to be treated flows in from the end face 1041 in which the successively adjacent flow passages 1003a are sealed, the fluid to be treated is not sealed as shown in FIG. It flows into Phil 1 through the channel 103 b. Since the open end of the flow passage 100 3 b is sealed at the other end surface 104 3, the fluid to be treated flowing from the flow passage 100 3 b passes through the porous substrate and is It is discharged from the wall 7 and also discharged from the flow passage 103a. In this way, by maintaining a discharge path inside the ceramics fill, the processing capacity can be improved.
• a flow passage 1003a located at an arbitrary outermost peripheral side. Therefore, any other outermost flow passage 1003a. It is preferable from the viewpoint of easiness of manufacture that the continuous adjacent flow passages are sealed at one end face 1041. Similarly, from the viewpoint of manufacturing easiness, the flow passage 1003a sealed at one end face 1041 is a flow passage whose open end is linearly and continuously adjacent. However, it may be a flow passage that is continuously adjacent to a curved line, or a flow passage that is continuously adjacent to a polygonal line.
• the above-mentioned flow passages whose opening ends are continuously adjacent to each other on the line are provided at regular intervals, from the viewpoint of improving the processing capacity by uniform discharge.
• the open end of a series of flow passages 1003a whose open end is sealed at one end face 1041 is one line, FIG. 18 (a) to (a).
• they may be provided so that the lines intersect as shown in FIG. 20, or they may be combined.
• a combination of a case where the line at the open end of the series of flow passages 103a is provided in a curved line or a polygonal line may be used, and the form is not particularly limited.
• the number of flow passages 1003a whose open ends are sealed at one end face 1041 there is no particular limitation on the number of flow passages 1003a whose open ends are sealed at one end face 1041, but if the number is too large, the number of inflow ports is reduced, and if the number is too small, The effect in this example cannot be obtained.
• the number can be appropriately selected depending on the processing capacity and the size of the filter, but the total cross-sectional area of the flow passage, that is, the total of the opening cross-sectional areas of the flow passages 1003a and 1003b Preferably between 2 and 20%, more preferably between 6 and 15%, most preferably between 8 and 11%. A number that can be an area can be selected.
• the filtration may be performed only with the porous substrate constituting the filter body.
• the filtration is performed on the surface of the substrate having a relatively large pore diameter. It is preferable to form a filtration membrane having a smaller pore diameter. With such a configuration, even if the average pore diameter of the filtration membrane is reduced, the pressure loss when the fluid permeates the inside of the base can be suppressed.
• forming the filtration membrane on the inner peripheral surface of the flow path 1003b, which is sealed at the end face 104 and through which the fluid to be treated flows, can achieve the above object efficiently. preferable.
• the area of the inner peripheral surface of the flow passage 100 a without the filtration membrane is preferably 50% or more, more preferably 50% or more of the total area of the inner peripheral surface of the flow passage 100 a. Is at least 70%, most preferably at least 90%.
• the material of the substrate of the porous film in this example is not particularly limited as long as it is a porous body, but is preferably ceramics from the viewpoint of strength and durability.
• the pore size of the substrate can be appropriately selected according to the purpose and use of the filter.
• the substrate is a ceramic, but it is generally preferable that the substrate is formed from an aggregate and a sintering aid for the substrate.
• Aggregate is a ceramic particle that constitutes the main component of the substrate.
• one or more particles of alumina, mullite, cordierite, silicon carbide, silicon nitride, aluminum nitride, ceramic waste, and the like are preferable. , Are selected as appropriate to suit the purpose of filtration.
• the average particle size of the aggregate is preferably about 5 to 200 x m.
• the content of the aggregate in the substrate is preferably 65 to 99.5% by mass, more preferably 65 to 90% by mass, based on the total of the aggregate and the sintering aid for the substrate. .
• the sintering aid for the base is used for strengthening the bond between the aggregates by firing together with the above-mentioned aggregates to form a strong porous body.
• the material is not particularly limited.For example, one or more of alumina, silica, zirconia, titania, glass frit, feldspar, cordierite, etc. can be used, and may be appropriately selected depending on the purpose of filtration and the material of the aggregate. Can be.
• Average particle size of sintering aid for substrate The average particle size is not particularly limited, but is preferably 5 m or less.
• the content of the sintering aid for the substrate is preferably 0.5 to 35% by mass, more preferably 10 to 35% by mass, based on the total of the aggregate and the sintering aid for the substrate.
• the filtration membrane has an average pore diameter smaller than the base. It is preferred to have.
• the average pore diameter can be appropriately selected depending on the purpose and purpose of the filter, that is, the particle size of the foreign matter to be filtered contained in the stream to be treated.
• the average pore diameter of the filtration membrane can be preferably about 0.1 to 2.0 urn, more preferably about 0.2 to 0.7; m.
• ceramic particles and a sintering aid for a filtration membrane are used to form a filtration membrane, but ceramic particles are selected from the above-mentioned materials that are preferred as aggregates. It is preferred that However, the average particle diameter is preferably about 0.1 to 10 m, and more preferably about 0.1 to 5 m. By selecting a smaller particle size, the pore size after firing becomes smaller, so that the particle size can be appropriately selected according to the purpose of filtration, such as for water purifiers. In order to obtain a pore diameter in the range described above, an average particle diameter of preferably about 0.2 to 5.0 urn, more preferably about 0.4 to 2.0 m can be selected.
• the sintering aid for the filtration membrane is also preferably used by selecting from the materials listed as preferable sintering aids for the base.
• the ratio of the ceramic particles to the sintering aid for the filtration membrane is preferably 85 to 99.5 mass%, more preferably 85 to 9% by mass, based on the total of the ceramic particles and the sintering aid for the filtration membrane. 995% by mass, and preferably 5 to 15% by mass of a sintering aid for a filtration membrane.
• the filtration membrane can be formed by applying these ceramic particles and the sintering aid for the filtration membrane in a slurry form to the surface of the substrate, followed by firing.
• the filtration membrane may be a single layer, but may be two or more layers.In this case, the average pore diameter of the outermost filtration membrane should be minimized, and the pore diameter should gradually increase toward the substrate. Is preferred.
• the cross-sectional shape of the flow passage 3 included in the ceramics filler of this example may be a rugate shape or the like, but is preferably a circular shape in terms of strength and a point that the filtration membrane can be uniformly formed on the inner peripheral surface.
• the size of the cross section of the flow passage 3 is not particularly limited. However, if it is too small, the resistance when the fluid to be treated flows in becomes too large, which is not preferable. If it is too large, a sufficient filtration area cannot be obtained, which is not preferable.
• the preferred range of the cross-sectional area of the flow passage 3 varies depending on the viscosity of the fluid to be treated.
• the filter of this example when used for a water purifier, it is preferably 0.2 to 20 mm 2 , and more preferably. 0.5 to 10 mm 2 .
• the film can be easily formed uniformly, and the film area per unit volume can be made relatively large, that is, the filter can be made compact.
• the number of distribution channels is not particularly limited, and a person skilled in the art can appropriately select the number of distribution channels from the relationship among strength, size, and throughput.
• the shape of the filter in this example is preferably cylindrical as shown in FIGS. 18 (a) to 18 (d), but is not particularly limited, and may be any shape according to the use, purpose, installation location, etc. be able to. Also, the size can be appropriately selected according to the processing amount, the installation location, and the like.
• the porous filter of this example has a large processing capacity even if the pore diameter is small as described above, and furthermore, since the processing capacity is not significantly reduced due to use, compactness is achieved. It can be suitably used for a vessel, especially a household water purifier.
• the filter of this example may be loaded into a container surrounding the filter and having an inlet and an outlet.
• the water purifier further includes other purifying / sterilizing means, for example, activated carbon.
• Fig. 21 shows an example of a water purifier equipped with the filter body of this example (porous filter). Activated carbon 1212 is placed at the bottom, and the porous filter of this example is placed at the top. Are located.
• the water to be treated flows in from the inflow pipe 120, passes through the activated carbon layer 122, enters the filter 101 from the bottom side of the filter 1001, and the filtered purified water is filtered. Discharge is performed from the side or top surface of 01 through the discharge pipe 122 6.
• the water purifier using the filter body (porous filter) of this example can have a simple structure.
• reference numeral 1201 denotes a top cover
• reference numeral 1202 denotes a bottom cover
• reference numeral 1203 denotes a surrounding container
• reference numeral 125 denotes a nonwoven fabric
• reference numeral 1206 denotes a sponge
• reference numeral 120 denotes a simple structure.
• 8 is 0—ring, 1 2 1 0 is a check valve, 121 is a packing, 1 214 is a base, 1218 is a cover holder, 1219 is a holder nut, 1220 is a rubber foot, 1221 is a water purification connector, 1223 is a water discharge connector, and 1224 is a connector holder , 1225 indicates a pipe cover, 1228 indicates a 0-ring, and 1230 indicates a cover.
• a section means a section perpendicular to the longitudinal direction of the flow passage (the X-axis direction in FIG. 22A) unless otherwise specified.
• a porous filter 2001 which is an example of a filter body (porous filter) used in one embodiment of the present invention (first and second inventions) is, for example, shown in FIGS. 22 (a) to 22 (d).
• the porous body has at least two end faces 2041 and 2043 and a number of flow passages 2003a and 2003b communicating from one end face 2041 to the other end face 2043.
• the open end of the predetermined flow passage 2003a is sealed, and as shown in FIG.
• the open end of the flow passage 2003a Is formed by sealing the surface 2061, that is, the surface of the seal layer formed so as to close the open end of the flow passage, and the surrounding surface 2063, that is, the seal formed on the porous substrate 201 1
• the height difference from the surface of the layer 2005 is 1.0 mm or less, preferably 0.5 mm or less.
• a circle shown by a dotted line indicates a flow passage whose end face is sealed at its open end, and a black filled circle opens at its end face. 4 shows a flow passage.
• the height difference a of the porous filter of this example is 1.0 mm or less, preferably 0.5 mm or less, and most preferably approximately 0 mm, as shown in FIG.
• the pre-processing fluid and the post-processing fluid can be easily separated by bringing the filter into close contact with the inside of the housing housing the filter directly or via a seal member, and the filter can be mounted on the housing while fully exhibiting the function of the filter. It will be easier.
• the filter of this example has a height difference a of 1.0 mm or less at at least one end face, but preferably has a height difference a of 1.0 mm or less at two end faces. Also, the height difference a is 1.0 mm or less over at least one end face as a whole.
• the height difference a in a part may be 1.0 mm or less.
• packing 2201 separates the end face 2041 and side face 207 from each other, and the pre-processing fluid flowing into the filter from the end face 241 and the side face.
• the post-treatment fluid flowing out from 207 is isolated, if the height difference a is within the above-mentioned range near the outer periphery of the end face 2041 to which the packing 2221 adheres, The effect of this example can be obtained.
• a clogging portion 206 is formed at the opening end of the flow passage.
• the opening is preferably formed in a direction from the opening end 203 to the inside of the flow passage (I direction).
• the length b from the open end 203 of the open end of the flow passage to the inside of the flow passage 200 a is 0.5 mm or more, more preferably 1.0 mm or more, particularly 2.0. It is preferably at least mm.
• the length b is preferably 10.0 mm or less, more preferably 5.0 mm or less, and particularly preferably 3.0 mm or less.
• the porous filter 200 1 of this example has an open end at one end face 204 1 of the porous filter 200 1.
• the open ends of the predetermined flow passages 200 a that are adjacent to each other in a linear manner are sealed, and as shown in FIGS. 22 (c) and (d), the other end face 204 3
• the open end of the remaining flow passage 203 b is sealed.
• a series of flow passages that are sealed and whose open ends are adjacent to each other in a linear manner are regarded as one line, and the flow that constitutes this one line Preferably, there are three or more roads.
• a flow passage 203a located at an arbitrary outermost peripheral side.
• the open end of the continuous adjacent flow passage up to any other outermost circumferential flow passage 200 a 3 is sealed at one end face 2041,
• the flow passage 200 a whose open end is sealed at one end face 204 1 has a straight open end.
• the flow passages are adjacent to each other continuously in a shape, the flow passage may be a continuous flow passage that is continuously adjacent to a curved shape, or may be a flow passage that is continuously adjacent to a polygonal line.
• a series of flow passages whose opening ends are linearly and continuously adjacent to each other are regarded as one line, and two or more flow passages are provided, they may be provided at regular intervals. It is preferable from the viewpoint of improving the processing capacity by uniform discharge.
• the open end of a series of flow passages 2003a sealed at one end face 2041 is one line, as shown in FIGS. 22 (a) to (d),
• they may be provided so that the lines intersect, or they may be combined.
• a combination of a case where the line of the opening end of the series of flow passages 203a is provided in a curved line or a polygonal line may be used, and the form is not particularly limited.
• the number can be selected as appropriate according to the processing capacity and the size of the filter, but the total cross-sectional area of the flow passages, that is, the sum of the opening cross-sectional areas of the flow passages 200 a and 203 b
• the number can be selected such that the cross-sectional area is preferably 2 to 20%, more preferably 6 to 15%, and most preferably 8 to 11%.
• the filtration may be performed only with the porous material constituting the filter.
• the surface of the porous substrate having a relatively large pore diameter is used. It is preferable to form a filtration membrane having a smaller pore diameter than that. With this configuration, even if the average pore diameter of the filtration membrane is reduced, Can be suppressed pressure loss when passing through the inside of the base.
• forming the filtration membrane 200 on the inner peripheral surface of the flow passage 200b through which the pre-treatment fluid flows in achieves the above-mentioned purpose. It is preferable because it can be achieved well.
• the opening end of the end surface 204 is sealed, and the inner surface of the flow passage 200 a through which the fluid is discharged after the treatment has a portion where the filtration membrane is not formed. Is preferable in that the pressure loss is suppressed.
• the area of the inner peripheral surface of the flow passage 200 a without the filtration membrane is preferably 50% or more, more preferably 50% or more of the total area of the inner peripheral surface of the flow passage 203 a. Is at least 70%, most preferably at least 90%.
• the average pore diameter of the filtration membrane can be appropriately selected according to the purpose and purpose of the filter, that is, the particle diameter of the foreign matter to be filtered contained in the pre-treatment fluid.
• the filter in this example is a water purifier.
• the average pore diameter of the filtration membrane can be preferably about 0.2 :! to 2.0 urn, and more preferably about 0.2 to 0.7 m.
• the porous substrate As the porous substrate, the sintering aid for the substrate, and the filtration membrane, those similar to those in the above-described example can be used.
• the material of the sealing layer is not particularly limited, but when the substrate is ceramic, it is preferably ceramic from the viewpoints of strength and adhesion to the substrate, and the same components as some of the components contained in the substrate. However, since it is necessary that the fluid to be processed is not substantially permeated, glaze or the like obtained by fritting the ceramics, especially silica and alumina as main components, A fritted glaze containing 10% by mass or less of zirconia is preferred. Although there is no particular limitation on the material of the plugging portion, when the substrate is a ceramic, it is preferably a ceramic from the viewpoints of strength and adhesion to the substrate, and is similar to some of the components contained in the substrate.
• the ceramic is a component containing the following components:
• the material to be processed easily permeates the fluid, the fluid may leak from the adjacent flow channel at the end face through the clogging portion, which is not preferable. Therefore, it is preferable that the pore diameter is equal to or smaller than that of the filtration membrane, and it is more preferable that the membrane has substantially no pores and does not allow fluid to permeate.
• the material of the clogging portion is preferably a material that has a small shrinkage because cracking is likely to occur if the shrinkage is too large. No. Specifically, it is preferable that fritted glazes and the like, particularly fritted glazes containing silica and alumina as a main component and containing 10% by mass or less of zirconia, are included. More preferably, it is only.
• the cross-sectional shape of the flow passage included in the filter in the longitudinal direction, the cross-sectional size of the flow passage, and the shape of the filter can be the same as in the above-described example.
• the filter of this example it is easy to separate the pre-processing fluid and the post-processing fluid when the filter is mounted on the housing, so that the filter can be easily mounted on the housing and can sufficiently exhibit the function as a filter. It can be suitably used for water purifiers, especially household water purifiers.
• the filter of this example may be mounted on a housing surrounding the filter and having an inlet and an outlet.
• the water purifier is further provided with other purification and sterilization means, such as activated carbon.
• Fig. 24 shows an example of a water purifier equipped with the porous filter of this example. Activated carbon 2 2 1 2 is placed at the bottom, and the porous filter 2 of this example is placed at the top. Are arranged.
• the pre-treatment water flows in from the inflow pipe 2200, passes through the activated carbon layer 2 2 1 2, and enters the fill 2 0 1 from the lower end 2 0 4 1 of the fill 2
• the filtered purified water flows out from the side face 200 7 or the upper end face of the filter 201 and is discharged through the discharge pipe 222 6.
• a sealing member such as a packing 2221, but in this example, By using a filter, it is easy to mount it so that it can be reliably isolated.
• a sealing member such as a packing 2221
• reference numeral 2201 denotes a top cover
• 222 denotes a bottom cover
• 2203 denotes a surrounding container
• 2205 denotes a nonwoven fabric
• 2206 denotes a sponge
• 22. 0 8 is a 0-ring
• 2 2 10 is a check valve
• 2 2 1 4 is a base
• 2 2 18 is a cover holder
• 2 2 9 is a holder nut
• 2 2 0 foot rubber
• 2 2 1 is a water purifying connector
• 2 2 2 3 is a spout connector
• 2 2 2 4 is a connector holder
• 2 2 5 is a pipe cover
• 2 2 2 6 is a spout pipe
• 2 2 2 8 is O—
• 2 230 indicates a cover, respectively.
• a filter used in one embodiment of the present invention (first and second inventions) will be described.
• Another example of the main body (porous filler) will be described.
• a section means a section perpendicular to the longitudinal direction of the flow passage (the X-axis direction in FIG. 25A) unless otherwise specified.
• the porous filter 3001 has at least two end faces 3041 and 3043, and a large number of flow paths communicating from one end face 3041 to the other end face 3043.
• a porous membrane having channels 3003a and 3003b, and a filter membrane formed on the inner peripheral surface of a portion of the channel, for example, channel 3003b (porous substrate 3011) in FIG. 26 (b) This is a porous filter 3001 having 3009.
• reference numeral 3005 denotes a sealing layer
• 3006 denotes a clogging portion.
• the porous substrate surface of the porous filter 3001 that is, the surface on which the filtration membrane 3009 is not formed, for example, the inner peripheral surface and the side surface 3007 of the flow passage 3003 a in FIG.
• the pressure of the air that first flows out of one of the flow passages in which the filtration membrane is formed is from 0.05 to 0.6 MPa, preferably from 0.08 to 0.4 MPa, more preferably from 0.1 to 0.2 MPa.
• the sterilization performance of the porous filter is considered to depend on the maximum pore size, average pore size, pore size distribution, film thickness, etc. of the filtration membrane.
• the overall pore size is small, and the thicker the film, the better the sterilization performance It is thought that.
• the first permeation pressure is closely related to the disinfection performance of the entire filter, and the first permeation pressure is 0.05 MPa or more, preferably 0. It has been found that excellent disinfection performance can be obtained by setting the pressure at 08 MPa or more, more preferably at 0. IMP a or more.
• the first permeation pressure is considered to be closely related to the relatively large pores and thickness of the filtration membrane. Therefore, it is considered that the first permeation pressure is increased by decreasing the maximum pore diameter, decreasing the number of large pore diameters, or increasing the thickness of the filtration membrane. On the other hand, if the first permeation pressure is too high, the amount of water permeation decreases, which is not preferable. Therefore, the first transmission pressure is preferably 0.6 MPa or less, more preferably 0.4 MPa or less, and particularly preferably 0.2 MPa or less.
• the pressure of the air flowing out of all the flow passages formed on the inner peripheral surface of the filtration membrane (hereinafter referred to as “second permeation pressure”) is 0.15 MPa.
• the pressure is preferably 0.1 MPa or more, particularly preferably 0.2 MPa or more.
• the second permeation pressure is considered to be closely related to the average pore diameter and film thickness of the filter, and it is possible to increase the second permeation pressure by decreasing the average pore diameter or increasing the film thickness. it can. If the second permeation pressure is too high, the amount of water permeation is reduced, which is not preferable.
• the second permeation pressure is preferably 0.6 MPa or less, more preferably 0.5 MPa or less, and particularly preferably 0.3 MPa or less.
• the average pore diameter of the filtration membrane can be appropriately selected depending on the use and purpose of the filter. However, in order to keep the first permeation pressure within the range of this example, the average pore diameter of the filtration membrane is 0.1. It is preferable that the pore size distribution is sharpened to a value of from .about.2.0 .tau., And more preferably from about 0.2 to 0.7 m.
• the thickness of the filtration membrane is not particularly limited, but is preferably about 30 to 600 m in order to keep the first permeation pressure in the range of this example.
• the sintering aid for the base and the filtration membrane the same ones as in the above-described example can be used.
• the cross-sectional shape of the flow passage included in the filter in the longitudinal direction, the cross-sectional size of the flow passage, and the shape of the filter can be the same as in the above-described example.
• At least one end face has a predetermined flow path, for example, as shown in FIG. 26 (a), the open end of the flow path 300b at the end face 3043 is sealed. It is preferred that The configuration of such a flow passage can be the same as in the above-described example.
• FIG. 25 (b) it is preferable from the viewpoint of easiness of manufacture that the open end of each of the end faces is linearly continuous at one end face and the open end of the adjacent flow passage is sealed. .
• the configuration of such a flow passage can be the same as in the above-described example.
• reference numeral 3003a. And 3003a appeared. Indicate a flow path located at the outermost circumference in the flow path 3003a.
• a series of the above-mentioned sealed whose open ends are respectively adjacent to each other continuously in a linear manner.
• two or more flow passages are considered as one line and provided with two or more lines, it is preferable to provide them at regular intervals from the viewpoint of improving the processing capacity by uniform discharge.
• the configuration of such a flow passage can be the same as in the above-described example.
• a seal layer 3005 is formed at the tip of the flow passage 300 a in FIG. 26 (b). It is preferable that the plugged portions 300 be formed in the passage inner direction from the viewpoint of improving the strength of the sealing layer 300 and improving the sealing property.
• the porous filter of this example has excellent sterilization performance, and thus can be suitably used for a water purifier, particularly a household water purifier.
• a water purifier particularly a household water purifier.
• the above-described filter may be attached to a housing surrounding the filter and provided with an inlet and an outlet.
• Such a water purifier is preferably further provided with other purifying / sterilizing means, for example, activated carbon.
• Fig. 27 shows an example of a water purifier equipped with the porous filter of this example.
• Activated carbon 3212 is arranged at the lower part, and the porous filter 3001 of this example is arranged at the upper part. ing.
• the pre-filtration water flows in from the inflow pipe 3200, passes through the activated carbon layer 3221, enters the filter 3001 from the lower end surface 3001 of the filter 3101, and filters.
• the purified water flows out from the side wall 3007 or the upper end face of the filter 3101, and is discharged through the discharge pipe 32226.
• reference numeral 3201 denotes a top cover
• 3202 denotes a bottom cover
• 3203 denotes a surrounding container
• 3205 denotes a non-woven cloth
• 3206 denotes a sponge
• 3 2 08 is an O-ring
• 3 210 is a check valve
• 3 2 1 is packing
• 3 2 14 is a base
• 3 2 18 is a cover-holder
• 3 2 19 is a holder nut
• 3 2 220 is a rubber foot
• 3 2 2 1 is a water purification connector
• 3 2 2 3 is a water discharge connector
• 3 2 2 4 is a connector holder
• 3 2 2 5 is a pipe cover
• 3 2 2 8 is a 0-ring
• 3 Reference numeral 230 indicates a cover.
• the filter cartridge and the stationary water purifier of the present invention are effectively used in various industrial fields that need to purify various liquids including water.
• various types of drinking water can be used not only for home use but also for business use. It is effectively used in the industrial fields such as restaurants and various chemical industries.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Water Supply & Treatment (AREA)
• Life Sciences & Earth Sciences (AREA)
• Hydrology & Water Resources (AREA)
• Environmental & Geological Engineering (AREA)
• Organic Chemistry (AREA)
• Water Treatment By Sorption (AREA)

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• 2003
  • 2003-04-25 KR KR1020047017032A patent/KR100634198B1/ko active IP Right Grant
  • 2003-04-25 AU AU2003235135A patent/AU2003235135A1/en not_active Abandoned
  • 2003-04-25 CN CNB038151006A patent/CN1327928C/zh not_active Expired - Fee Related
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