CN205419963U - Water purifying filter cartridge - Google Patents
Water purifying filter cartridge Download PDFInfo
- Publication number
- CN205419963U CN205419963U CN201620144696.XU CN201620144696U CN205419963U CN 205419963 U CN205419963 U CN 205419963U CN 201620144696 U CN201620144696 U CN 201620144696U CN 205419963 U CN205419963 U CN 205419963U
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- filtration members
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- filter cartridge
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- 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
Abstract
The utility model aims at providing a to filter the accommodation space expansion of piece, the compact and higher water purifying filter cartridge of filter capacity. Water purifying filter cartridge is inside the casing that has raw water entry and water purification export, it restraints to have the cavity cortina, the powder filters the piece, aforementioned powder filters the piece and is accomodate in by the inner wall, the outer wall, the inner space of the drum container that upper wall and lower wall formed, aforementioned drum container has fitting portion A, the tip that aforementioned cavity cortina was restrainted is fixed in solid sealing cover with the help of solid agent, the partly of part beyond the aforementioned tip that aforementioned cavity cortina was restrainted constitutes from the outstanding protruding portion of aforementioned solid sealing cover, aforementioned protruding portion is held in the inboard of aforementioned inner wall, aforementioned solid sealing cover has fitting portion B, aforementioned fitting portion A and the ground gomphosis of aforementioned fitting portion B watertight, the surface that can incline from the aforementioned casing of aforementioned outer wall is restrainted the surface of inclining and is upwards led to water in water purifying filter cartridge's footpath to the aforementioned cavity cortina of aforementioned inner wall.
Description
Technical field
The utility model relates to the water purifying filter cartridge being installed in water purifier.
Background technology
In recent years, in the family, the water purifier of tap water purifying is widely used.In these water purifiers, use and be accommodated with for the water purifying filter cartridge by the various filtration members of tap water purifying.As filtration members, the activated carbon generally using the powder (the granular or powdery) free residual chlorine in running water, bleaching powder taste, musty, haloform etc. removed, the hollow fiber membrane that the muddy composition in running water, bacterium class etc. are removed.Total drainage amount that these filtration members can process is limited, so user is continuing with water purifier while being changed termly by water purifying filter cartridge.Therefore, the water purifying filter cartridge that user needs the compactest and filter capacity is high, the total drainage amount that can process is big.
As water purifying filter cartridge such compact and of good performance, in patent document 1, disclosing following water purifying filter cartridge, described water purifying filter cartridge has the hollow fiber membrane module being accommodated with hollow fiber membrane in cylindrical cap (hollow fiber membrane cover) and the cylindric fibrous activated carbon formed body being carried with the adsorbent with ion exchanging function configured in its trunk periphery in inside.Disclose the description below, in this water purifying filter cartridge, former water outside-in in cylindric fibrous activated carbon formed body, diametrically by afterwards, rises in the axial direction, and the opening portion of the upper end being disposed through the cylindrical cap of hollow fiber membrane module flows to hollow fiber membrane.
Patent document 1: Japanese Unexamined Patent Publication 2001-232361 publication.
But, in the water purifying filter cartridge of patent document 1, there is following problems: hollow fiber membrane is incorporated in cylindrical cap, the space of this cylindrical cap uses not as the receiving space of filtration members.In addition, there is following problems: in order to make former water by flowing the most upward after cylindric fibrous activated carbon formed body, being provided as the gap of stream between cylindrical cap and fibrous activated carbon formed body, also receiving space not as filtration members, the space in this gap uses.
And then, use fibrous activated carbon formed body, make former water flow in the radial direction thereof, be achieved in the minimizing of the pressure loss produced at fibrous activated carbon formed body, it is ensured that set filtering traffic.But, fibrous activated carbon formed body, in order to shape, use the adhesive of synthetic resin, therefore there is following problems: in the quality of fibrous activated carbon formed body, and adhesive proportion is the biggest, it is impossible to obtain sufficiently high filter capacity.
Utility model content
The utility model in view of the above problems, its object is to provide a kind of by the receiving space enlargement of filtration members, the water purifying filter cartridge that compact and filter capacity is high.
In order to solve foregoing problems, water purifier of the present utility model is made up of following structure.
null(1) a kind of water purifying filter cartridge，Aforementioned water purifying filter cartridge has the enclosure interior of former water inlet and pure water inlet，There is cylindrical vessel、Macaroni yarn perineurium、Powder filtration members and sealing cover，It is characterized in that，Aforementioned cylindrical vessel is by inwall、Outer wall、Upper wall and lower wall are formed，Aforementioned powder filtration members is incorporated in the inner space of aforementioned cylindrical vessel，Aforementioned cylindrical vessel has fitting portion A，The one end of said hollow cortina bundle is fixed in aforementioned sealing cover by sealing agent，A part for part beyond the aforementioned one end of said hollow cortina bundle constitutes the protuberance highlighted from aforementioned sealing cover，Aforementioned sealing cover has fitting portion B，Aforementioned protuberance is housed inside the inner side of aforementioned inwall，It is fitted together to aforementioned fitting portion A and aforementioned fitting portion B watertight，Can be from the surface of the said hollow cortina bundle side to aforementioned inwall, the surface of the aforementioned housing side of aforementioned outer wall in the radially water flowing of water purifying filter cartridge.
(2) preferably, aforementioned upper wall forms gap between aforementioned housing inner peripheral surface and aforementioned outer wall outer peripheral face, and aforementioned gap constitutes the former current road leading to aforementioned former water inlet, and aforementioned upper wall is by the upper end closed on aforementioned former current road.
(3) preferably, between aforementioned powder filtration members and aforementioned upper wall, there is elastomeric element.
The utility model can have following excellent effect according to such scheme.
According to the scheme of above-mentioned (1), there is not conventional cylindric hollow fiber membrane cover.Therefore, the volume of the thickness forming the inwall in macaroni yarn perineurium receiving space also will not be wasted, and is used in the receiving of powder filtration members.In addition, can be from the surface of the macaroni yarn perineurium side on the surface of the housing side of outer wall to inwall in the radially water flowing of water purifying filter cartridge, so there is not the stream of axial water between powder filtration members and macaroni yarn perineurium, the receiving space of filtration members correspondingly can be expanded.And then, use powder filtration members, it is possible to filling filtration members to high-density.According to these effects, using the teaching of the invention it is possible to provide the water purifying filter cartridge that compact and filter capacity is high.
Additionally, according to the scheme of above-mentioned (2), flow into the former water in gap by powder filtration members portion through upper shield lower surface and upper wall upper surface, will not enter in inner core.
Additionally, according to the scheme of above-mentioned (3), elastomeric element is in close contact with powder filtration members, it is possible to eliminate space between the powder filtration members and upper wall of filling, do not walk around the possibility of powder filtration members when being connected with former water.
Accompanying drawing explanation
Fig. 1 relates to the schematic front view of the water purifying filter cartridge of conventional embodiment.
Fig. 2 is to be connected with stream switch and be used as, by relating to the water purifying filter cartridge of an embodiment of the present utility model, the schematic external view that the direct-connected water purifier of tap uses.
Fig. 3 relates to the signal longitudinal section of the water purifying filter cartridge of an embodiment of the present utility model.
Fig. 4 relates to the signal longitudinal section of the hollow fiber membrane module of the water purifying filter cartridge of an embodiment of the present utility model.
Fig. 5 relates to the signal longitudinal section of the water purifying filter cartridge of other embodiment example of the present utility model.
Fig. 6 relates to the signal longitudinal section of the water purifying filter cartridge of other embodiment example of the present utility model.
Detailed description of the invention
Hereinafter, referring to the drawings the example of embodiment of the present utility model is illustrated.Additionally the utility model is not limited to embodiment shown below, can be changed being capable of in the range of above-mentioned the purpose of this utility model.
Fig. 2 is to be connected with stream switch and be used as, by relating to the water purifying filter cartridge of an embodiment of the present utility model, the schematic external view that the direct-connected water purifier of tap uses.
The direct-connected water purifier of tap 1 shown in Fig. 2 is mainly made up of stream switch 2, water purifying filter cartridge 3.Stream switch 2 uses when being installed on tap by installation nut 21, water purifying filter cartridge 3 is installed on side.
Stream switch 2 has stream running water (former water) former state from tap spued and makes running water pass through water purifying filter cartridge 3 to be used as the function that switches over of stream that water purification spues.
With Fig. 3, water purifying filter cartridge 3 is illustrated.Fig. 3 relates to the signal longitudinal section of the water purifying filter cartridge of an embodiment of the present utility model.
Water purifying filter cartridge 3 is cylindrical shape, mainly it is made up of housing, powder filtration members portion 34, hollow fiber membrane module (module) 31, filtering cartridge lid 35 etc., aforementioned housing is constituted by the set 32 with opening portion with by the upper shield 33 that the opening portion of set 32 is closed, aforementioned powder filtration members portion 34 and said hollow cortina assembly 31 are incorporated in this housing, and aforementioned filtering cartridge lid 35 is placed on upper shield 33.Powder filtration members portion 34 has by inwall 71, outer wall 72, filtration members lid 58(upper wall) and lower wall 73 formed cylindrical vessel 60, the powder filtration members 59 that is incorporated in its inner space 61.Hollow fiber membrane module 31 has macaroni yarn perineurium 52.It is internal that the one end of this macaroni yarn perineurium 52 is fixed on sealing cover 51 by sealing agent by sealing.A part for part beyond the one end of macaroni yarn perineurium 52 is constituted from the prominent protuberance 103 of sealing cover 51.Protuberance 103 is housed inside the inner side of inwall 71.Additionally, the cylindrical vessel 60 in powder filtration members portion 34 has fitting portion A75.The sealing cover 51 of hollow fiber membrane module 31 has fitting portion B54.It is fitted together to above-mentioned fitting portion A75 and above-mentioned fitting portion B54 watertight.When the cylindrical vessel 60 in powder filtration members portion 34 is installed on housing, fitting portion A75 is embedded in fitting portion B54, is watertight sealed between powder filtration members portion 34 and hollow fiber membrane module 31.As a result, it is possible to suppress following situation: the powder filtration members 59 that former water has not via powder filtration members portion 34, and through the sealing cover 51 and powder filtration members portion 34 of hollow fiber membrane module 31, leak to the macaroni yarn perineurium 52 of hollow fiber membrane module 31.
As shown by arrows in Figure 3, deliver to after the running water (former water) of water purifying filter cartridge 3 is directed to overlap the gap 38 32 and powder filtration members portion 34, the powder filtration members portion 34 in water purifying filter cartridge 3 pass through to inner side from radial outside through stream switch 2.The most former water passes through to inner side from radial outside in the powder filtration members 59 in powder filtration members portion 34, to the macaroni yarn perineurium 52 of up to hollow fiber membrane module 31.That is, in water purifying filter cartridge of the present utility model, former water can be from surface radially the passing through at water purifying filter cartridge of the macaroni yarn perineurium side on the surface of the housing side of outer wall to inwall.And afterwards, water passes through in hollow fiber membrane module 31.Now water is by the macaroni yarn perineurium 52 in hollow fiber membrane module 31, obtains water purification.
In order to contrast with the utility model, represent the water purifying filter cartridge of the mode relating to the other prior art in addition to patent document 1 in FIG.The water purifying filter cartridge of Fig. 1 has at cylindrical cap 101(hollow fiber membrane cover) in be accommodated with the granular active carbon that is filled with in the hollow fiber membrane module of hollow fiber membrane and the cylindrical space between its trunk periphery and set inner peripheral surface.In the water purifying filter cartridge that this is conventional, former water the most in the axial direction by afterwards, is disposed through the opening portion of the upper end of the cylindrical cap 101 of hollow fiber membrane module, flows to macaroni yarn perineurium in cylindric granular active carbon part.As mentioned above, in water purifying filter cartridge 3 of the present utility model, hollow fiber membrane module 31 does not exist conventional cylindric hollow fiber membrane cover macaroni yarn perineurium entirety surrounded as shown in patent document 1 and Fig. 1, contributes to the major part of macaroni yarn perineurium of muddy filtration from sealing cover 51 outstanding composition protuberance 103.Thus, the caliper portion of conventional hollow fiber membrane cover can expand the receiving space of filtration members (powder filtration members or macaroni yarn perineurium).
On the other hand, Yuan Shui side that conventional hollow fiber membrane cover plays and the water-stop function that macaroni yarn perineurium receiving portion is divided are configured to, by the cylindrical vessel 60 of powder filtration members portion 34(in the utility model) fitting portion A75 and the sealing cover 51 of hollow fiber membrane module 31() the chimeric of fitting portion B54 undertake.
Additionally, take in this wise by powder filtration members portion 34 and hollow fiber membrane module 31 by being fitted together to the structure assembled, also produce following advantage: the two filtration members portion can be arranged to structural member independently.And then, the surface of the macaroni yarn perineurium side from the surface of the housing side of outer wall to inwall at water purifying filter cartridge radially can water flowing, so there is not the stream of water axial as the water purifying filter cartridge of patent document 1 between powder filtration members 59 and macaroni yarn perineurium 52, it is possible to correspondingly filtration members is accommodated space enlargement.
Upper shield 33 is disposed over overlapping the upper surface open portion of 32.Upper shield 33 is relative to the fixing use ultrasonic welding of set 32.This fixing method can also be by thread structure or the bonding method carried out.Additionally, if upper shield 33 is transparent, be then able to confirm that the situation within water purifying filter cartridge 3, so it is preferred.In figure 3, upper shield 33 is connected to overlap 32 connects by interior, but upper shield 33 can also be external in set 32 and connect.So, it is configured to effectively to utilize the space in the corners formed by upper shield 33 and set 32, it is possible to by immediately below for inner surface that upper shield 33 is configured at filtration members lid 58.So powder filtration members accommodates spatial spread, it is possible to accommodates more powder filtration members, makes the filter capacity in powder filtration members portion improve further.
Upper shield 33 can refer to the shape that plectane portion, top and the cylindrical portion peripheral part from plectane portion, top hangs down, but as shown in other the embodiment example of Fig. 5, it is also possible to it is the embodiment that the length of the cylindrical portion of this upper shield 33 is longer than the length of the cylindrical portion of set 32.In the case of Gai, filtration members lid 58 described later be different from Fig. 3, and the cylindrical portion inner peripheral surface interlocking of the outer peripheral face of filtration members lid 58 and upper shield 33, by former for gap 38(current road) upper end closed.
Set 32 is the formed products being made up of the part of the substantially tubular erected from bottom surface and bottom surface peripheral part, described set 32 has stream switch connecting portion 55 at sidepiece radially, described stream switch connecting portion 55 is for making set 32 current logical and can be removably connected to stream switch 2, described set 32 has pure water inlet 37 on its bottom surface, and the water purification passed through according to powder filtration members portion 34, the order of hollow fiber membrane module 31 is spued by described pure water inlet 37.The connection of stream switch 2 and stream switch connecting portion 55 uses plug (bayonet) structure.Former water inlet 36 and the pure water inlet 37 of bottom are positioned at identical lower end side, so be connected with stream switch 2 constitute water purifier time, the guttation mouth making former water and water purification easily towards equidirectional and can be configured the most compactly, have as pursuing the preferred configuration structure of water purifying filter cartridge that is compact and that use the direct-connected water purifier of simple tap.
It addition, former water inlet 36 can also be arranged to, different from Fig. 3, lower end face with opening downwards in pure water inlet 37 eccentric position.So can reduce the axial height of the stream 17 just passed of the water purifying filter cartridge 3 being present in Fig. 3 through the former water after former water inlet, it is possible to make water purifying filter cartridge 3 more compact.
Utilize Fig. 3 that powder filtration members portion 34 is illustrated.
Powder filtration members portion 34 is made up of cylindrical vessel 60 and powder filtration members 59, aforementioned cylindrical vessel 60 is cylindrical shape, mainly by the filtration members cover 57 with filtration members cover opening portion 74 and the filtration members lid 58(upper wall that filter part cover opening portion 74 is closed) constitute, aforementioned powder filtration members 59 is incorporated in this cylindrical vessel 60.Cylindrical vessel 60 has fitting portion A75, and the fitting portion B54 that aforementioned fitting portion A75 has with the sealing cover 51 of hollow fiber membrane module 31 described later is chimeric.Fitting portion A can be arranged at inwall 71 or lower wall 73.
Filtration members cover 57 is the cylindrical container with the filtration members cover opening portion 74 formed by outer wall 72, inwall 71 and lower wall 73, is preferably integrally formed but it also may be some of outer wall 72, inwall 71 and lower wall 73 be other parts, finally link into an integrated entity.Additionally, the utility model also is able to include following embodiment: the lower knuckle ground of outer wall and/or inwall extends, and constitutes the part of lower wall, plays its effect, there is not the independent part being referred to as lower wall.
The outer wall 72 of filtration members cover 57 is the substantially cylindric of both ends open, has multiple opening of external wall portions 83 of trellis at wall, is provided with outer wall net 84 on the outer peripheral face of outer wall 72.
Preferably, the outer wall 72 of filtration members cover 57 is provided with pattern draft from lower wall 73 upwards surface direction in the axial direction.Aforementioned set 32 is provided with pattern draft from set bottom surface 39 upwards surface direction the most in the axial direction, it is possible to further ensure that the gap 38 for the flowing of former water between the outer wall 72 and set 32 of filtration members cover 57, so being preferred.If the forming accuracy that pattern draft considers resin is preferably less than 1.5 °, more preferably 1.0 °.
Preferably, outer wall net 84 bonding agent of the periphery being installed on filtration members cover 57 is pasted on filtration members cover 57, or makes it seal, or integrally formed together with filtration members cover 57.In the utility model, former water inwards flows from the radial outside of filtration members cover 57, if so installing outer wall net 84 on the periphery of filtration members cover 57 in advance, then and the possibility do not peeled off due to the flowing of former water.In addition, as described later, in the inner side of filtration members cover 57 by powder filtration members 59 filling, so from can be more with filtration members cover 57 thickness correspondingly filling powder filtration members this point consider it is also that preferred embodiment (though describing the most in figure 3, but powder filtration members 59 is also filled with in opening of external wall portion 83.).
Preferably, outer wall net 84 be can the material of water flowing, there is the aperture that powder filtration members 59 does not flows out from powder filtration members portion.Further contemplate and by the cementability of the filtration members cover 57 of ester moulding, it is preferred to use the synthetic fibers of polyethylene terephthalate, polypropylene or polyethylene etc..
Additionally, outer wall net 84 has the filtering function making the water being processed pass through in the case of not spilling the powder filtration members 59 on opposite, so the particle diameter of the aperture ratio powder filtration members 59 of outer wall net 84 is less.Additionally, in order to reduce the pressure loss caused by water flowing, the aperture opening ratio of outer wall net 84 is preferably in the range of intensity allows the biggest.Additionally, similarly the aperture opening ratio in the opening of external wall portion 83 of trellis is preferably also the biggest in the range of intensity allows.
In order to guarantee the gap 38 for the flowing of former water between set 32, it is provided with gap in the outside of the lower wall 73 of filtration members cover 57 and forms parts 85.Form parts 85 as gap, if arranging discrete multiple projections the most in the circumferential with the lower wall 73 of filtration members cover 57, or multiple projection is set on the ring-type periphery of resin etc., is then able to easily form gap 38.Gap 38 is different always according to the setting flow of the water purifier of assembling water purifying filter cartridge, if but further contemplate the forming accuracy of resin, the most preferably more than 0.5mm.If gap is become big, former water is readily flowed, otherwise but the receiving space of filtration members tail off, it is advantageous to be below 3mm, more preferably below 2mm.
The inwall 71 of filtration members cover 57 is the substantially cylindric of both ends open, is provided with multiple inwall opening portions 81 of trellis, is within it provided with inwall net 82 on side face on wall.Additionally, be provided with the most expanding fitting portion A75 in the other end of inwall 71.
Inwall net 82 is the net being made up of the synthetic fibers of polyethylene terephthalate, polypropylene or polyethylene etc., has the most equally spaced aperture.Aperture can properly select, if but select the aperture less than the granularity of the particle for powder filtration members described later, then powder filtration members 59 will not pass through inwall net 82, so the powder filtration members flowed out will not make macaroni yarn perineurium 52 damage, is preferred for this puts.
As the method for the inner peripheral surface of the inwall 71 that inwall net 82 is installed on filtration members cover 57, the method integrally formed with net when the shaping of inwall 71 is preferred for can installing this point securely.
Additionally, inwall net 82 has the filtering function making the water being processed pass through in the case of not spilling the powder filtration members 59 on opposite, so the particle diameter of the aperture ratio powder filtration members 59 of inwall net 82 is less.Additionally, in order to reduce the pressure loss caused due to water flowing, the aperture opening ratio of inwall net 82 is preferably in the range of intensity allows the biggest.Additionally, similarly the aperture opening ratio of the inwall opening portion 81 of trellis is preferably also the biggest in the range of intensity allows.
Inwall net 82 is installed on the inner peripheral surface of the inwall 71 of filtration members cover 57, thus when macaroni yarn perineurium 52 described later being inserted, it is possible to insert swimmingly in the case of not making it nuzzle up on multiple opening portions.And then, powder filtration members 59 is filled with in the inner space 61 surrounded by the inwall 71 of filtration members cover 57, outer wall 72 and lower wall 73, it is possible to increase the corresponding charging quantity of thickness of the inwall 71 with filtration members cover 57.Though (do not describe in figure 3, but also packet powder filtration members 59 in inwall opening portion 81.) in the water purifying filter cartridge of hollow fiber membrane cover that in the past there is cylindrical shape like that, the volume of the caliper portion of hollow fiber membrane cover is not used to accommodate filtration members.In the utility model, there is not hollow fiber membrane cover, and the volume forming the thickness of the inwall 71 in macaroni yarn perineurium receiving space is also effectively used to the receiving of filtration members.The parts being installed in outer wall 72 and inwall 71 multiple opening portions of being covered each by trellis may not be above-mentioned net (outer wall net 84 and inwall net 82), as long as be capable of not spilling the parts of powder filtration members 59 and the filtering function that makes the water being processed pass through, it is also possible to be the non-woven fabrics of same material.
Filtration members lid 58 is the parts assembled for following purpose: does not makes to be filled with the powder filtration members 59 in the inner space 61 surrounded by the inwall 71 of filtration members cover 57 and outer wall 72 and lower wall 73 and leaks to outside, and does not makes to flow into the water of the inner side of the inwall of filtration members cover 57 and the mixing of former water.
Further it is evident that outer wall 72 is positioned at set 32, and it is positioned at the radial outside of inwall 71, so there is following relation: the bore of the bore ＞ inwall 71 of the bore ＞ outer wall 72 of set 32.
The shape of filtration members lid 58 be upper and lower surface be generally plate like endless member, be arranged at the upper end outer peripheral face that the inner peripheral surface of opening of central authorities is embedded in the inwall 71 of filtration members cover 57, its inwall scarfing unit 65 relative to water and powder filtration members 59 in sealing state.Additionally, be formed with stage portion in the radially outer side portions of the lower surface of filtration members lid 58, it is embedded in the upper end of outer wall 72.Its outer wall scarfing unit 66 relative to water and powder filtration members 59 in sealing state.The bore of the outer peripheral face of the relative aperture outer wall 72 of the outer peripheral face of filtration members lid 58 is big, and be set to be embedded in set 32 inner peripheral surfaces, so filtration members lid 58 plays the effect forming the gap 38 constituting the tubular leading to the former current road in former water inlet 36 between set 32 inner peripheral surfaces and outer wall 72 outer peripheral face, and by the upper end closed on this former current road.Between each fitting portion of the inner peripheral surface of the presently described upper end of inwall 71 of filtration members cover 57 of filtration members lid 58 interlocking, the upper end of the outer wall 72 of filtration members cover 57 and set 32, can be used as seal member there is O, seal effectively, but it is relatively simple, so being preferred only by the chimeric method fixed thus realize sealing.
Additionally, in manufacturing process, in order to reduce in dust enters to hollow fiber membrane module 31 or the possibility of damage macaroni yarn perineurium 52, it is also possible to be that filtration members lid 58 is by airtight for the upper end open of inwall 71.In the case of Gai, filtration members lid 58 can also be the mode not being embedded in set inner peripheral surface.
Additionally, following embodiment is also it is preferable that as shown in other embodiment example of Fig. 6, periphery, outer wall 72 upper end is stretched out towards radial outside, is embedded in set inner peripheral surface, its interlocking part is in watertight state.In the case of Gai, filtration members lid 58 can also be the mode not being embedded in set inner peripheral surface.
Then, the powder filtration members 59 being incorporated in powder filtration members portion 34 is illustrated.
Powder filtration members 59 is filled with and is contained in the inner space 61 of the substantially tubular formed by above-mentioned filtration members cover 57 and filtration members lid 58.In the manufacturing process of water purifying filter cartridge, the filling of the inner space 61 to filtration members cover 57 of powder filtration members 59 and the assembling of filtration members lid 58 can be situations about carrying out in the inside of set 32, it is also possible to be situation about carrying out in the outside of set 32.In the case of the former, the advantage having the operation of the assembling carrying out the filling of powder filtration members 59, the assembling of filtration members lid 58, upper shield 33 continuously.The latter is the manufacturing process that can carry out according to structure of the present utility model, has impracticable feature in the manufacturing process of water purifying filter cartridge conventional as Fig. 1.I.e., the cylindrical vessel 60 in powder filtration members portion 34 has fitting portion A75, the sealing cover 51 of hollow fiber membrane module 31 has fitting portion B54, the structure that fitting portion A75 and above-mentioned fitting portion B54 is chimeric, it is configured to powder filtration members portion 34 and hollow fiber membrane module 31 are fitted together to and are assembled, it is possible to the two filtration members portion is arranged to structural member independently.Therefore, before water purifying filter cartridge assembling procedure, as other operation, portion 34 split of powder filtration members can be manufactured, there is the following big advantage in the past not having: the risk of the pollution of dirt etc. causes by when to the inner space 61 packet powder filtration members 59 of filtration members cover 57 set 32 or macaroni yarn perineurium 52 can be reduced.
As powder filtration members 59, it is possible to by the granular or powdered activated carbon with cocoanut shell or timber, coal etc. as raw material, be suitable for granular or powdery ion-exchanger, such as silicotitanate or alumino-silicate etc. the appropriately combined rear filling of zeolite by the heavy metals such as the lead in former water remove and use.
In powder filtration members 59, it is possible to using its average grain diameter in the powder filtration members of the scope of about 30 ~ 900 μm, the corresponding kind of water purifying filter cartridge, purposes, performance carry out selecting to use.If being reduced by particle diameter, surface area can increase, it is possible to improve adsorption capacity or the ion-exchange capacity of powder filtration members, the packing density of powder filtration members also improves.Use average grain diameter to be about the less powder filtration members of 30 ~ 150 μm accordingly, as powder filtration members 59, it becomes possible to be greatly improved produced by powder filter house filter capacity, also make packing density improve further this point for be highly preferred.The particle diameter of powder filtration members, can be according to JIS K in the case of activated carbon
In 1474:2014 activated-carbon test method 7.3 granularity, the method for regulation measures, it would however also be possible to employ carried out method for measuring by laser diffraction/scattering formula method.Regardless of which kind of method, the size distribution of weight or volume the particle diameter (50% particle diameter) that the integrated value calculated all accounts for 50% is set to average grain diameter.
In the filtration members such as the activated carbon at the conventional formed body shown in patent document 1, the shared mass ratio of the adhesive for shaping accounts for about 3 ~ 20%, this part does not contributes to filter, but by using powder filtration members, quality activated carbon shared by adhesive or ion-exchanger can be carried out filling, the filtration members increased contributes to filtering, it is possible to filter capacity is greatly improved.Be about the little powder filtration members of 30 ~ 150 μm especially in average grain diameter in the case of, packing density can be improved, such as in the case of using activated coco nut charcoal as granular or powdered activated carbon, can improve to about 0.50 ~ 0.75g/mL, it is possible to constitute the water purifying filter cartridge that filter capacity is high and compact.
On the other hand, particle diameter is arranged less by a highest wisdom, has the pressure loss produced by the water flowing in powder filtration members portion to become big, cannot guarantee the possibility of desired filtering traffic.But in the utility model, the shape of the inwall 71 of the filtration members cover 57 of the substantially tubular of respective elongated, the axial length of the receiving space (inner space 61) of above-mentioned substantially tubular and the global shape that is housed inside powder filtration members 59 therein is elongated, and in the cylindrical shape longer than its radical length (i.e. thickness).And water flowing is carried out the most diametrically from the outside in the powder filtration members portion of tubular, so the flow path cross sectional area of water flowing is much bigger compared with the situation of water flowing in the axial direction, so the flow velocity of water flowing reduces, even if by powder filtration members high density filling less for particle diameter, it also is able to fully reduce the pressure loss produced by water flowing, it is possible to realize set filtering traffic.
Relatively, in ago water purifying filter cartridge as shown in Figure 1, water flowing is carried out in the axial direction of axially longer cylindric granular active carbon part, so compared with water purifying filter cartridge of the present utility model, the flow path cross sectional area of water flowing narrows, the flow velocity of water flowing is relatively big, so the pressure loss produced by water flowing is bigger, it is impossible to obtain higher filtering traffic.
Axial length/the radical length in the powder filtration members portion of tubular corresponding pressure loss etc. being required in more than the numerical value of 1 sets, but preferably from about more than 3.In addition, the absolute value of radical length considers that the situation preventing the water flowing in the boundary face between powder filtration members and filtration members lid 58 or lower wall 73 from taking a short cut and the minimum essential value etc. determined according to the work principle of filter of powder filtration members set, but typically about more than 5mm in actual design.
Preferably, between powder filtration members 59 and filtration members lid 58, elastomeric element 86 is arranged.So, powder filtration members 59 and filtration members lid 58 are pushed by elastomeric element 86, contact with these member in tight, thus occur without space between the powder filtration members 59 and filtration members lid 58 of filling, do not walk around the possibility of powder filtration members 59 when being connected with former water.As elastomeric element 86, it is possible to rubber, the sponge of synthetic resin, foaming body, non-woven fabrics, felts etc. such as the silicon rubber that use hardness is relatively low.
Utilize Fig. 3, Fig. 4 that hollow fiber membrane module 31 is illustrated.
Hollow fiber membrane module 31 has sealing cover 51 and macaroni yarn perineurium 52, and the one end (bottom) of macaroni yarn perineurium 52 is fixed on sealing cover 51 by sealing agent 70 by sealing.The position formed by the macaroni yarn perineurium fixed by sealing and sealing agent is sealing portion 53.Additionally, a part for the part beyond the above-mentioned one end of macaroni yarn perineurium 52 is constituted from the prominent protuberance 103 of sealing cover 51.Protuberance 103 is housed inside the inner side of inwall 71.In figure 3, protuberance 103 occupies the major part of the part beyond the one end of the macaroni yarn perineurium 52 fixed by sealing.Sealing cover 51 plays water and the effect of former water mixing of the inner side of the inwall 71 not making to flow into filtration members cover 57.Therefore, the shape of sealing cover 51 is configured to have fitting portion B54, and aforementioned fitting portion B54 can be embedded in the fitting portion A75 of the bottom of the inwall 71 being arranged at filtration members cover 57.In figure 3, sealing cover 51, in tubular, has a layer portion in upper end, is provided with the fitting portion B54 of undergauge from the downside in layer portion.As long as the respective shape of fitting portion A and fitting portion B can be by the shape that is fitted together to of cylindrical vessel 60 and sealing cover 51 watertight ground, can also shown in Fig. 3 beyond shape, it may be desirable to fitting portion surface does not constitute convex form relative to the space of the protuberance 103 accommodating macaroni yarn perineurium 52 after chimeric, but with the inner peripheral surface of inwall 71 on same level.So, protuberance 103 is easily inserted, additionally it is possible to reduce the risk of macaroni yarn perineurium 52 damage of protuberance 103.
Fitting portion A75 and fitting portion B54 chimeric in, it is also possible to the O making watertight fix to carry out effectively watertight between, but only by chimeric fix thus realize the method for watertight relatively simple and by preferably.
As the material of sealing cover 51, with the sealing preferable amorphous resin of agent compatibility by preferably, if taking into account security, it is preferably acrylonitrile-butadiene-styrene copolymer (ABS resin) or polystyrene.
The opening of the central authorities of sealing cover 51 is inserted with the one end of the macaroni yarn perineurium 52 hollow fiber membrane being tied up and being bent into reverse U shape, is fixed by sealing by sealing agent 70.Filling sealing agent 70 between each hollow fiber membrane and between macaroni yarn perineurium 52 and sealing cover 51, this sealing agent 70 solidifies, and thus the one end of macaroni yarn perineurium 52 is fixed.Before by sealing cover 51 and set 32 link, by the bottom of sealing agent 70 and together being cut off removing by the bottom of the macaroni yarn perineurium of sealing, thus macaroni yarn perineurium 52 is towards overlapping 32 openings.A part for the inner peripheral surface of sealing cover 51 is embossed processing, prevents the one end (sealing portion 53) of sealing the agent 70 and macaroni yarn perineurium 52 fixed by sealing from peeling off from sealing cover 51.During water flowing, sealing portion 53 is applied the load produced due to hydraulic pressure, but is formed along embossing concavo-convex concavo-convex in sealing agent 70, block each other so concavo-convex, come off so sealing portion 53 will not peel off from sealing cover 51.
The peripheral part of sealing cover 51 is provided with for the O 102 fixed with overlapping 32 watertights.Inner side plugging in fitting at the cylindrical shape rib 56 of the inner side being arranged at set 32 has the sealing cover 51 of O 102.The height of sealing cover 51 is wished to be set as less to make the effective film area relating to the filtration of macaroni yarn perineurium 52 increase, but considers that sealing cover 51 can not be inserted into the situation etc. of the situation that cylindrical shape rib 56 fixes and the water pressure resistance intensity guaranteeing sealing portion 53 and determine with rocking.About 5 ~ 30mm is representative value.
The polysulfone hollow cortina of hydrophiling can be used as macaroni yarn perineurium 52.The excellences such as the biological characteristics of polysulfones, heat resistance, chemical resistance, as water purifier purposes by preferably.In addition to polysulfones, it is possible to use polyacrylonitrile, PPSS (Port リ Off ェ ニ レ Application ス Le ホ Application), polyether sulfone, polyethylene, polyacrylic hollow fiber membrane.Can also be by multiple hollow fiber membrane combinations different for material.If adding hydrophobic polyethylene or polyacrylic hollow fiber membrane, then can will discharge with being mixed into the Efficient air of water.The aperture of hollow fiber membrane is 0.1 ~ 0.3 μm, is best suitable for the muddy thing being captured from water.Preferably, the external diameter of hollow fiber membrane is φ 300 ~ 500 μm, and internal diameter is φ 200 ~ 340 μm, and thickness is 50 ~ 100 μm, and result hollow fiber membrane is sufficient intensity.The operation that will not bend to U-shaped in the mill, the process interruption being pressed into sealing cover 51 are opened.
Preferably, only the sectional area of the hollow fiber membrane of macaroni yarn perineurium 52 is arranged to the inside of inwall 71 sectional area 45 ~ 55%.So can have high muddy filter capacity (Turbidness filtering
Capability), it is possible to use for a long time.If less than 45%, the membrane area of macaroni yarn perineurium 52 diminishes, if in addition higher than 55%, muddy thing cannot rotate the inside to intensive macaroni yarn perineurium 52, and muddy filter capacity all declines in every case, mostly can not use for a long time.If the external diameter of hollow fiber membrane is φ 300 ~ 500 μm, then the most sufficiently fine while having intensity, then in little sealing cover 51, it is able to ensure that the biggest membrane area, it is possible to play higher muddy filter capacity.
As sealing agent 70(embedding agent (Port ッ テ ィ Application グ agent)), it is that the host and curing agent with mobility are mixed the biliquid mixed type making it harden, it is possible to be suitably used polyurethane or epoxy resin etc..It is made to solidify by centrifugal process or settled process etc..
In the above description, it is all substantially cylindric for being set to the parts of substantially tubular, and these parts have identical central shaft and configure coaxially, and this is to make compact most effective, the most preferred mode of water purifying filter cartridge.
Additionally, in the above description, in the case of being set to air-tight state between making 2 parts interlockings by its parts, make seal member between, it is also possible to make airtight to carry out effectively.But, for water purifying filter cartridge compact to design, preferably realize airtight in the case of not making seal member between.
Additionally, the material of set 32, upper shield 33, filtration members cover 57, filtration members lid 58, filtering cartridge lid 35 is preferably shaped by the resin that the dimensional accuracy during shapings such as acrylonitrile-butadiene-styrene copolymer (ABS resin), acrylonitritrile-styrene resin (AS resin), acrylic resin is higher.
Utilize Fig. 3 that the flowing of the water of water purifying filter cartridge 3 constructed as disclosed above is illustrated.
The former water entered from former water inlet 36 is distributed by approximate equality stream 17 in the circumferential, it is fed to the gap 38 of tubular as former current road, pass sequentially through outer wall 72 and outer wall net 84, powder filtration members 59, inwall 71 and inwall net 82 diametrically, arrive the inside (i.e. the protuberance 103 of macaroni yarn perineurium 52) of inwall 71.I.e., it is possible to the surface of the macaroni yarn perineurium side from the surface of the housing side of outer wall to inwall is in the radially water flowing of water purifying filter cartridge.
And, former water contacts and passes through powder filtration members 59 with powder filtration members 59, and the heavy metal ion etc. such as free residual chlorine in the most former water, bleaching powder taste, musty, haloform, lead is removed.Then, water passes through macaroni yarn perineurium 52, and muddy composition, bacterium class etc. are also removed, and become water purification, and the opening through the lower surface of macaroni yarn perineurium 52 is spued from pure water inlet 37.
Industrial applicability
The compact water purifying filter cartridge being used for the direct-connected water purifier of tap is illustrated as embodiment example, but the relatively large water purifying filter cartridge that the utility model can be used as sinking type water purifier or fixed water purifier etc. uses.
Description of reference numerals
The 1 direct-connected water purifier of tap；2 stream switch；3 water purifying filter cartridges；17 streams；21 install nut；31 hollow fiber membrane module；32 sets；33 upper shields；34 powder filtration members portions；35 filtering cartridge lids；36 former water inlets；37 pure water inlets；38 gaps；39 set bottom surfaces；51 sealing covers；52 macaroni yarn perineuriums；53 sealing portions；54 fitting portion B；55 stream switch connecting portions；56 cylinder type ribs；57 filtration members covers；58 filtration members lids；59 powder filtration members；60 cylindrical vessels；61 inner spaces；65 inwall scarfing units；66 outer wall scarfing units；70 sealing agent；71 inwalls；72 outer walls；73 lower walls；74 filtration members cover opening portions；75 fitting portion A；81 inwall opening portions；82 inwall nets；83 opening of external wall portions；84 outer wall nets；85 gap forming portions；86 elastomeric elements；101 cylindrical cap；102O type circle；103 protuberances.
Claims (3)
1. a water purifying filter cartridge, aforementioned water purifying filter cartridge has the enclosure interior of former water inlet and pure water inlet, has cylindrical vessel, macaroni yarn perineurium, powder filtration members and sealing cover, it is characterised in that
Aforementioned cylindrical vessel is formed by inwall, outer wall, upper wall and lower wall,
Aforementioned powder filtration members is incorporated in the inner space of aforementioned cylindrical vessel,
Aforementioned cylindrical vessel has fitting portion A,
The one end of said hollow cortina bundle is fixed in aforementioned sealing cover by sealing agent,
A part for part beyond the aforementioned one end of said hollow cortina bundle constitutes the protuberance highlighted from aforementioned sealing cover,
Aforementioned protuberance is housed inside the inner side of aforementioned inwall,
Aforementioned sealing cover has fitting portion B,
It is fitted together to, it is possible to the surface of the said hollow cortina bundle side from the surface of the aforementioned housing side of aforementioned outer wall to aforementioned inwall is in the radially water flowing of water purifying filter cartridge aforementioned fitting portion A and aforementioned fitting portion B watertight.
2. water purifying filter cartridge as claimed in claim 1
It is characterized in that,
Aforementioned upper wall forms gap between aforementioned housing inner peripheral surface and aforementioned outer wall outer peripheral face, and aforementioned gap constitutes the former current road leading to aforementioned former water inlet, and aforementioned upper wall is by the upper end closed on aforementioned former current road.
3. water purifying filter cartridge as claimed in claim 1 or 2 is characterized in that,
Elastomeric element is there is between aforementioned powder filtration members and aforementioned upper wall.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-038125 | 2015-02-27 | ||
| JP2015038125 | 2015-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205419963U true CN205419963U (en) | 2016-08-03 |
Family
ID=56541707
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620144696.XU Expired - Fee Related CN205419963U (en) | 2015-02-27 | 2016-02-26 | Water purifying filter cartridge |
| CN201610106226.9A Pending CN105923800A (en) | 2015-02-27 | 2016-02-26 | Filter cartridge for purifying water |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610106226.9A Pending CN105923800A (en) | 2015-02-27 | 2016-02-26 | Filter cartridge for purifying water |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6679976B2 (en) |
| CN (2) | CN205419963U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6739975B2 (en) * | 2016-04-18 | 2020-08-12 | 三菱ケミカル・クリンスイ株式会社 | Water purification cartridge and water purifier |
| CN110404328B (en) * | 2018-04-27 | 2024-02-20 | 芜湖美的厨卫电器制造有限公司 | Composite filter element and water purifying equipment |
| CN110404327B (en) * | 2018-04-27 | 2023-09-01 | 芜湖美的厨卫电器制造有限公司 | Composite filter element and water purification equipment |
| CN109911985A (en) * | 2018-12-10 | 2019-06-21 | 韩佳环保设备有限公司 | A kind of Water purifier filter core and its manufacturing method |
| DE102020104157A1 (en) * | 2020-02-18 | 2021-08-19 | Perma-Trade Wassertechnik Gmbh | Device for the treatment of drinking water |
-
2016
- 2016-02-19 JP JP2016029881A patent/JP6679976B2/en active Active
- 2016-02-26 CN CN201620144696.XU patent/CN205419963U/en not_active Expired - Fee Related
- 2016-02-26 CN CN201610106226.9A patent/CN105923800A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP6679976B2 (en) | 2020-04-15 |
| JP2016163876A (en) | 2016-09-08 |
| CN105923800A (en) | 2016-09-07 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20210226 |