CN109694139A - A kind of reverse osmosis composite filter element component - Google Patents
A kind of reverse osmosis composite filter element component Download PDFInfo
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- CN109694139A CN109694139A CN201710984341.0A CN201710984341A CN109694139A CN 109694139 A CN109694139 A CN 109694139A CN 201710984341 A CN201710984341 A CN 201710984341A CN 109694139 A CN109694139 A CN 109694139A
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- water
- reverse osmosis
- mounting head
- water outlet
- pure water
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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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of reverse osmosis composite filter element components, including mounting head, shell and the reverse osmosis filter core in shell, have first to cross water space between reverse osmosis filter core and shell, mounting head is located at the end of shell, mounting head is equipped with raw water inlet, pure water outlet and concentrated water water outlet, postposition clean unit is equipped between reverse osmosis filter core and mounting head, central tube is communicated by postposition clean unit with pure water outlet, postposition clean unit is externally provided with isolation cover, first runner is formed between isolation cover and postposition clean unit, one of raw water inlet or concentrated water water outlet are communicated with reverse osmosis filter core close to mounting head one end by first runner, formation second between cover and shell is isolated and crosses water space, raw water inlet or the another of concentrated water water outlet cross water space by the second water space and first excessively It is communicated with reverse osmosis filter core far from mounting head one end.The present invention reduces the quantity of water purifier inner filter core, simplify pipe-line layout between filter core.
Description
Technical field
The present invention relates to a kind of reverse osmosis composite filter element components, belong to water-treatment technology field.
Background technique
With the raising that people require drinking water quality, pure water system is just progressing into the drinking-water system of every household
In.Existing reverse osmosis water purifier is usually level Four filtering, and every by-pass filtration has a filter core.First order PP cotton filter element, mainly
Filter large granular impurity;The preposition activated filtration core in the second level, the impurity such as the heterochromatic peculiar smell of primary attachment, colloid and chlorine residue, protection
The reverse osmosis filter core of rear end;The reverse osmosis filter core of the third level, can to the impurity such as organic matter, colloid, bacterium, virus in raw water into
The impurity such as inorganic salts, heavy metal ion are especially had high filter efficiency by row filtering, thus reverse osmosis filter core constitutes only
The core component of water dispenser, the filter effect of water purifier are directly related with the filter effect of reverse osmosis filter core;Fourth stage postposition activity
Filtration core primarily serves the heterochromatic peculiar smell of absorption, improves the effect of mouthfeel.Each performs its own functions for four kinds of filter cores, indispensable, in addition, also
Can PP cotton filter element or ultra-filtration element etc. be set again between preposition activated filtration core and reverse osmosis filter core, further promoted to anti-
Permeate protective effect and the clean-up effect of filter core.But the structure of multiple filter cores causes machine volume big, and it is empty to occupy a large amount of kitchens
Between, meanwhile, the pipe-line layout between filter core is complicated, improves leak risk, another aspect, and filter core also results in filter element life prison more
Control is complicated with prompting, and filter element replacing is also relative complex, if having the filter core of same or similar structure, user in multi-stage filter
Even have when replacing filter core and change wrong possibility, leverages the clean-up effect and user experience of water purifier.
Summary of the invention
For more than reverse osmosis water purifier inner filter core and bring volume is big, pipe-line layout is complicated between filter core, filter element life prison
Control and a series of problems, such as prompting is complicated, filter element replacing is complicated, the present invention provides a kind of reverse osmosis composite filter element components, including
Mounting head, shell and the reverse osmosis filter core in shell have first to cross water space between the reverse osmosis filter core and shell,
The mounting head is located at the end of shell, and the mounting head is equipped with raw water inlet, pure water outlet and concentrated water water outlet, institute
The reverse osmosis membrane that reverse osmosis filter core includes central tube He is wrapped on central tube is stated, forms raw water water guide layer in the reverse osmosis membrane
With the pure water water guide layer communicated with central tube characterized by comprising postposition clean unit is located at reverse osmosis filter core and installation
Between head, the central tube is communicated by postposition clean unit with pure water outlet;Cover is isolated, it is single that cover is placed in postposition purification
It is first outer;First runner is located between isolation cover and postposition clean unit, one of the raw water inlet or concentrated water water outlet
It is communicated with reverse osmosis filter core close to mounting head one end by first runner;Second crosses water space, is located at isolation cover and shell
Between, the raw water inlet or the another of concentrated water water outlet cross water space and reverse osmosis by the second water space and first excessively
Diafiltration core is communicated far from mounting head one end.
Further, the postposition clean unit includes cylinder and is located at the intracorporal filter material of cylinder, and the cylinder includes close
The roof of mounting head one end, bottom wall and peripheral wall far from mounting head one end, the roof are equipped with and communicate with pure water outlet
First through hole, the bottom wall are equipped with the second through-hole communicated with central tube.
Further, the bottom wall outer of the cylinder is equipped with the first guiding rib radially extended, first guiding rib
With reverse osmosis filter core close to the end of mounting head against;Alternatively, being equipped with second axially extended on the outside of the peripheral wall of the cylinder
Guiding rib;Alternatively, being equipped with the third guiding rib axially extended on the inside of the peripheral wall of the isolation cover;Alternatively, the isolation cover
Be equipped with the 4th guiding rib radially extended on the inside of the roof of body, on the outside of the roof of the 4th guiding rib and cylinder against;Or
Person, is equipped with the 5th guiding rib radially extended on the outside of the roof of the cylinder, the 5th guiding rib with the interior of cover is isolated
Wall against.
Further, the filter material is granular activated carbon, and pure water axially passes through granular activated carbon.
Further, the first flow distribution plate is placed on the bottom wall of the cylinder, first flow distribution plate is equipped with multiple mistakes
Water hole forms first and shunts gap between first flow distribution plate and the bottom wall of cylinder, second through-hole passes sequentially through first
It shunts gap and water hole on the first flow distribution plate and is communicated with granular activated carbon;Alternatively, being placed on the roof of the cylinder
Second flow distribution plate, second flow distribution plate are equipped with multiple water holes, are formed between second flow distribution plate and the bottom wall of cylinder
Second shunts gap, the granular activated carbon passes sequentially through water hole on the second flow distribution plate and second shunts gap and with first
Through-hole communicates.
Further, the filter material is rodlike active carbon, and the center of the rodlike active carbon is equipped with central flow channel, the stick
Gap runner is formed between the side wall of shaped activated carbon and the inner wall of cylinder, the rodlike active carbon is equipped with close far from mounting head one end
The end cover of the end is sealed, the end cover close central runner is far from mounting head one end, the end cover and cylinder
Bottom wall between form third and shunt gap, second through-hole is communicated by third shunting gap with gap runner, it is described in
Centre runner is communicated close to mounting head one end with first through hole.
Further, the postposition clean unit is described close to mounting head one end pure water outlet pipe with outward extension
The outer end of pure water outlet pipe constitutes pure water outlet, and the isolation cover was equipped with water through-hole close to mounting head one end, described
Pure water outlet pipe passed through water through-hole, and the outer wall of the pure water outlet pipe and the hole for crossing water through-hole form water-carrying groove between, institute
State water-carrying groove connection first runner and one of raw water inlet or concentrated water water outlet.
Further, it is equipped with waterway converter between the mounting head and isolation cover, the waterway converter is set in
Pure water outlet pipe is outer and second flow channel is formed between the tube wall of pure water outlet pipe, and the second flow channel passes through water-carrying groove and first
Runner communicates, and the periphery of the water-carrying groove has the sealing ring muscle extended towards mounting head, and the waterway converter is far from installation
One end of head and the sealing of sealing ring muscle cooperate.
Further, the isolation cover is equipped with the pure water through-hole communicated with pure water outlet, institute close to mounting head one end
State pure water through-hole periphery be equipped with water-carrying groove, water-carrying groove connection first runner and raw water inlet or concentrated water water outlet it
One.
Further, the isolation cover is close to mounting head one end pure water outlet pipe with outward extension, the pure water
The outer end of outlet pipe constitutes pure water outlet, and the pure water through-hole is located in pure water outlet pipe, and the water-carrying groove is located at pure water
The periphery of outlet pipe is equipped with waterway converter between the mounting head and isolation cover, and the waterway converter is set in pure water
Outlet pipe is outer and second flow channel is formed between the tube wall of pure water outlet pipe, and the second flow channel passes through water-carrying groove and first runner
It communicates, the periphery of the water-carrying groove has the sealing ring muscle extended towards mounting head, and the waterway converter is far from mounting head
One end and the sealing of sealing ring muscle cooperate.
Further, between the outer wall of waterway converter and the inner wall of mounting head there is third to cross water space, the third
It crosses water space and the second water space excessively communicates;Alternatively, the outer wall of the waterway converter and the inner wall of mounting head seal cooperation, institute
Stating has third flow channel in waterway converter, the third flow channel and the second water space excessively communicate.
Further, there is positioning convex platform, the positioning convex platform and reverse osmosis filter core on the inside of the peripheral wall of the isolation cover
Close to mounting head one end against positioning, the peripheral wall of the isolation cover also has the mounting ring muscle extended backwards to mounting head, described
Mounting ring muscle is coated on reverse osmosis filter core outside the side wall of mounting head one end and cooperates with reverse osmosis cartridge seal.
In the present invention, reverse osmosis filter core and postposition clean unit are set in an element kit, reduced reverse osmosis
The quantity of water purifier inner filter core, correspondingly, pipe-line layout between filter core is simplified, meanwhile, also simplify filter element life monitoring and reminds
And filter element replacing.By a reverse osmosis composite filter element component provided by the invention can be completed in raw water organic matter,
The impurity such as colloid, bacterium, virus especially to comprehensive filtering of the impurity such as inorganic salts, heavy metal ion, while can also play suction
Attached heterochromatic peculiar smell, improves mouthfeel of pure water and other effects.In a reverse osmosis water purifier settable one it is provided by the invention anti-
Infiltration composite filter element component can also be arranged in series multiple, and the achievable multiplicating to raw water is filtered, and it is cleaner to make to produce water, or
Person, can also multiple reverse osmosis composite filter element components provided by the invention in parallel, propose high yield water efficiency.It is first-class in the present invention
Road is formed between isolation cover and postposition clean unit, and raw water inlet is by first runner with reverse osmosis filter core close to peace
First end is filled to communicate.The first runner crosses water sectional area with biggish, passes through convenient for smooth in water flow, simultaneously as water flow exists
Flow direction when entering in raw water water guide layer from reverse osmosis filter core close to mounting head one end needs to be changed into radial flow from axial flowing
Dynamic, the speed that the biggish water sectional area excessively of first runner flows water flow axially is relatively slow, is conducive to water flow deflecting and makes original
Water is easier to be changed into Radial Flow, and then is uniformly full of reverse osmosis filter core close to mounting head one end, so that reverse osmosis filter core
Uniformly utilized.In addition, reverse osmosis filter cartridge construction in the present invention uses standardized central tube and wound on it
Reverse osmosis membrane structure, the waterway structure for complexity that no setting is required, controls product cost well.
Detailed description of the invention
Present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the cross-sectional view of the reverse osmosis element kit of the embodiment of the present invention one;
Fig. 2 is the partial sectional view of the reverse osmosis element kit of the embodiment of the present invention one;
Fig. 3 is the side view of one middle cylinder body of the embodiment of the present invention;
Fig. 4 is the top view of one middle cylinder body of the embodiment of the present invention;
Fig. 5 is the schematic diagram of the first flow distribution plate in the embodiment of the present invention one;
Fig. 6 is the side view that cover is isolated in the embodiment of the present invention one;
Fig. 7 is the top view that cover is isolated in the embodiment of the present invention one;
Fig. 8 is the shaft side figure that cover is isolated in the embodiment of the present invention one;
Fig. 9 is the schematic diagram of waterway converter in the embodiment of the present invention one;
Figure 10 is the cross-sectional view of waterway converter in the embodiment of the present invention one;
Figure 11 is the partial sectional view of the reverse osmosis element kit of the embodiment of the present invention two;
Figure 12 is the schematic diagram of end cover in the embodiment of the present invention two;
Figure 13 is the schematic diagram of two middle cylinder body lid of the embodiment of the present invention;
Figure 14 is the partial sectional view of the reverse osmosis element kit of the embodiment of the present invention three;
Figure 15 is the schematic diagram that cover is isolated in the embodiment of the present invention three;
Figure 16 is the schematic diagram of three middle cylinder body of the embodiment of the present invention;
Figure 17 is the partial sectional view of the reverse osmosis element kit of the embodiment of the present invention four.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
As shown in Fig. 1-Figure 10, a kind of reverse osmosis composite filter element component, including mounting head 1, shell 2 and be located at shell 2 in
Reverse osmosis filter core 3.Wherein, reverse osmosis filter core 3 includes central tube 31 and the reverse osmosis membrane 32 being wrapped on central tube 31, reverse osmosis
The pure water water guide layer for forming raw water water guide layer in permeable membrane 32 and communicating with central tube 31, during water processed, raw water is led from raw water
The influent side of water layer enters raw water water guide layer, and along flow passage therein, in flow process, due to the work of forefront pressure
With gradually passing through reverse osmosis membrane 32 and form pure water in pure water water guide layer, pure water is along pure water water guide laminar flow and is collected
In in central tube 31, on the other hand, the water flowed out from the water outlet side of raw water water guide layer then forms concentrated water.
Have first to cross water space 21 between reverse osmosis filter core 3 and shell 2, mounting head 1 is located at the end of shell 2, installs
First 1 is equipped with raw water inlet 11, pure water outlet 12 and concentrated water water outlet 13.Reverse osmosis composite filter element component of the invention will
Three intake-outlets are set to one end, convenient for user's dismounting and reduce water leakage risk point.
In the present invention, postposition clean unit 4 is set, central tube 31 is net by postposition between reverse osmosis filter core 3 and mounting head 1
Change unit 4 and communicated with pure water outlet 12, i.e., pure water is net by postposition by entering postposition clean unit 4 after central tube 31
Change unit 4 purification after again from pure water outlet 12 flow out, be equivalent to two-stage filter core is compounded in a shell 2 formed it is compound
Filter core, reduces the quantity of reverse osmosis water purifier inner filter core, correspondingly, pipe-line layout between filter core is simplified, meanwhile, also simplify filter
Core service life supervision and prompting and filter element replacing.Specifically, be additionally provided in element kit cover be placed in outside postposition clean unit 4 every
From cover 5, it is isolated between cover 5 and postposition clean unit 4 and forms first runner 51, raw water inlet 11 passes through first runner 51
And it is communicated with reverse osmosis filter core 3 close to 1 one end of mounting head.The first runner 51 crosses water sectional area with biggish, is convenient for water flow
It is smooth to pass through, simultaneously as flow direction of the water flow when entering in raw water water guide layer from reverse osmosis filter core 3 close to 1 one end of mounting head
Need to be changed into from axial flowing Radial Flow, the biggish water sectional area of crossing of first runner 51 makes the speed that water flow axially flows
It is relatively slow, be conducive to water flow deflecting and raw water is made to be easier to be changed into Radial Flow, and then is uniformly full of reverse osmosis filter core 3 and leans on
Nearly 1 one end of mounting head, so that reverse osmosis filter core 3 is uniformly utilized.It should be noted that axial direction herein refers in parallel
In the direction of reverse osmosis filter core central axes, radially refer to the direction perpendicular to reverse osmosis filter core central axes.It is noted that the
Filter material can also be placed in one runner and constitute preposition clean unit, for example, in first runner place granular activated carbon, PP cotton,
Reactive resin etc..Formation second between cover 5 and shell 2 is isolated and crosses water space 22, concentrated water water outlet 13 is crossed between water by second
Gap 22 and first is crossed water space 21 and is communicated with reverse osmosis filter core 3 far from 1 one end of mounting head, raw water flow through after raw water water guide layer from
Reverse osmosis filter core 3 flows out to form concentrated water far from 1 one end of mounting head, and concentrated water is crossed water space 21 and second followed by first and crossed between water
Gap 22 and from concentrated water water outlet 13 flow out element kit.
It will be understood by those skilled in the art that the raw water inlet 11 and concentrated water water outlet 13 in above-described embodiment can be right
It changes, i.e. the reverse flow of raw water and concentrated water, raw water, which enters after element kit, successively crosses water along the second water space 22 and first excessively
Gap 21 and enter raw water water guide layer from reverse osmosis filter core 3 far from 1 one end of mounting head, in reverse osmosis filter core 3 close to mounting head 1 one
End forms concentrated water, and concentrated water flows out element kit after passing through first runner 51, and flowing to for pure water part is constant.
In the present embodiment, postposition clean unit 4 includes cylinder 41 and the filter material 42 in cylinder 41.Cylinder 41 includes leaning on
The roof 411 of nearly 1 one end of mounting head, bottom wall 412 and peripheral wall 413 far from 1 one end of mounting head, it will be understood that above-mentioned roof and
Bottom wall is only the differentiation done according to its relative position, and the roof 411 and bottom wall 412 in the present embodiment are in tabular, certainly,
It can be in arc surfaced or other shapes.Wherein, bottom wall 412 is equipped with the second through-hole 415 communicated with central tube 31, and second is logical
The hole in hole 415 along being equipped with the sealed wall 416 extended to 31 direction of central tube, sealed wall 416 protrude into central tube 31 it is interior and in it
Wall forms sealing, and certainly, the sealing at this can also use other way, for example, central tube extends and stretches to mounting head direction
Enter in the second through-hole, the hole of the outer wall of central tube and the second through-hole is along formation sealing.
Being isolated on the inside of the peripheral wall of cover 5 has positioning convex platform 52, and positioning convex platform 52 and reverse osmosis filter core 3 are close to mounting head 1
One end is installed in place against positioning convenient for confirmation isolation cover 5.The peripheral wall of isolation cover 5 also has backwards to the extension of mounting head 1
Mounting ring muscle 53, mounting ring muscle 53 be coated on reverse osmosis filter core 3 outside the side wall of 1 one end of mounting head and with reverse osmosis filter core 3
End part seal cooperation, in general, the outer of mounting ring muscle 53 can be wrapped in sealant tape and then the two is adhesively fixed, have
Effect isolation first runner 51 and second crosses water space 22, avoids concentrated water and raw water that string water occurs.Furthermore it is also possible in isolation cover
Peripheral wall on the outside of positioning protrusion is set, the inner wall of the positioning protrusion and shell with to avoid due to isolation cover compression against being made
It is disengaged at sealant tape, certainly, which can also be the rib axially extended, further be promoted crossing water to second
The guiding effect of water flow in gap.
The first guiding rib 431 radially extended, the first guiding rib 431 and reverse osmosis are equipped on the outside of the bottom wall 412 of cylinder 41
Diafiltration core 3 close to the end of mounting head 1 against, on the one hand, be conducive to guide water flow along Radial Flow, on the other hand, be convenient for
The axial installation positioning of cylinder 41.It is equipped with the second guiding rib 432 axially extended on the outside of the peripheral wall 413 of cylinder 41, is conducive to
Guidance water flow axially flows in first runner 51, and preferably, the second guiding rib 432 can be with inner wall that cover 5 is isolated
Against convenient for the positioning of cylinder 4 and isolation 5 relative position of cover, it is of course also possible to which edge is arranged on the inside of the peripheral wall of isolation cover
Axially extending third guiding rib.In the present embodiment, the 4th guiding rib for being equipped with and radially extending on the inside of the roof of cover 5 is isolated
434, the 4th guiding rib 434 on the outside of the roof of cylinder 4 against, guide water flow along Radial Flow, meanwhile, to isolation cover 5
Play the role of location and installation with cylinder 4, alternatively, the 5th guiding radially extended can also be arranged on the outside of the roof of cylinder
Muscle, the 5th guiding rib be isolated the inner wall of cover against.
In the present embodiment, filter material 42 is granular activated carbon, and pure water axially passes through granular activated carbon, postposition clean unit
4 assume responsibility for the function of post active carbon filter core in conventional reverse osmosis water purifier, furthermore it is possible to by adjusting postposition clean unit
4 axial dimension come when optimizing pure water by postposition clean unit 4 path and contact duration, to reach preferably purification effect
Fruit.The first flow distribution plate 44 is placed on the bottom wall of cylinder 41, the first flow distribution plate 44 is equipped with multiple water holes 441, preferably, more
A water hole 441 is uniformly distributed on the first flow distribution plate 44, meanwhile, between the first flow distribution plate 44 and the bottom wall 412 of cylinder 41
It forms first and shunts gap 442, the second through-hole 415 passes sequentially through and crosses water on the first shunting gap 442 and the first flow distribution plate 44
Hole 441 and communicated with granular activated carbon so that pure water is by that effectively can shunt gap along first after the second through-hole 415
The dispersion of 442 Radial Flows then uniformly enters from the end of granular activated carbon from water hole 441, avoids of partial region
Grain active carbon is not used, and improves the utilization rate of granular activated carbon.Wherein, the inside setting of the bottom wall 412 of cylinder 41 is convex
The rib 436 risen, rib 436 and the first flow distribution plate 44 against so that form the first shunting gap 442, also, rib 436 along
It radially extends, is conducive to guide the dispersion of water flow Radial Flow.In addition, the outer of the first flow distribution plate 44 can be with the inner wall of cylinder 41
Fitting positioning, can also pass through there are certain interval convenient for water flow.Granular activated carbon is from water hole or other in order to prevent
Gap leakage, non-woven fabrics or nylon wire etc. can also be arranged in corresponding position can cross the structure of water.It is appreciated that between first shunts
Gap can also be formed in alternative ways, such as: rib or protrusion are set towards cylinder body bottom side in the first flow distribution plate, into
And support the first shunting gap;Exist alternatively, raised or step structure, the outer frame of the first flow distribution plate are arranged on cylinder inboard wall
In the protrusion or step structure, and then support the first shunting gap.Likewise, in order to avoid granular activated carbon is close to installation
The utilization rate at first end is uneven, and the second flow distribution plate can also be placed on the roof of cylinder, and the second flow distribution plate is equipped with multiple
Water hole forms second and shunts gap between the second flow distribution plate and the bottom wall of cylinder, granular activated carbon passes sequentially through the second shunting
Water hole and second on plate shunt gap and communicate with first through hole.
Isolation cover 5 is equipped with the pure water through-hole 54 communicated with pure water outlet 12, pure water through-hole 54 close to 1 one end of mounting head
Periphery be equipped with water-carrying groove 55, water-carrying groove 55 is connected to first runner 51 and raw water inlet 11.Specifically, isolation cover 5 is close
1 one end of mounting head pure water outlet pipe 56 with outward extension, the outer end of pure water outlet pipe 56 constitutes pure water outlet 12, pure
Water through-hole 54 is located in pure water outlet pipe 56, and water-carrying groove 55 is located at the periphery of pure water outlet pipe 56, and the outer of water-carrying groove 55 passes through
Dowel 551 is connected and fixed with pure water outlet pipe 56, so that pure water outlet pipe 56 and isolation cover 5 form integral piece, just
In whole reliable assembling, certainly, pure water outlet pipe and isolation cover are also possible to seperated part, pure water outlet pipe by be isolated
Realizing against cooperation for the components such as cover, cylinder is fixedly mounted.The roof 411 of cylinder 41 is equipped with and communicates with pure water outlet 12
First through hole 414, the hole of first through hole 414 is along being equipped with the sealed wall 417 extended to 1 direction of mounting head, the insertion of sealed wall 417
In pure water outlet pipe 56 and form sealing cooperation.
In the present embodiment, it is equipped with waterway converter 6 between mounting head 1 and isolation cover 5, waterway converter 6 is set in pure
Water outlet pipe 56 is outer and second flow channel 62 is formed between the tube wall of pure water outlet pipe 56, second flow channel 62 by water-carrying groove 55 with
First runner 51 communicates, and the periphery of water-carrying groove 55 has the sealing ring muscle 552 extended towards mounting head 1, and waterway converter 6 is separate
One end of mounting head 1 and the sealing of sealing ring muscle 552 cooperate.Certainly, waterway converter can also be with isolation cover body by integral forming.Compared with
Excellent, the inner wall of waterway converter 6 has the 6th guiding rib 64, and the 6th guiding rib 64 is to axially extend, and is discharged with pure water
Guiding role is played in the assembly of pipe 56 during protruding into, also, passes through water flow with certain guiding role, on the other hand, the 6th
The outer wall of guiding rib 64 and pure water outlet pipe 56 is against positioning, in general, the 6th guiding rib 64 is at least three articles.Mounting head 1
Generally pass through the molten connection of rotation with shell 2, it is contemplated that rotation when rotation is molten between 6th guiding rib 64 and the outer wall of pure water outlet pipe 56
Turn, preferably, the gap of 0.2-1 millimeters of the two can be kept, and then avoids the two installation deviation.Both when in order to avoid revolving molten
It is damaged, following proposal can also be used, anti-pyrosphere mounting groove 561, anti-pyrosphere peace are set on the outer wall of pure water outlet pipe 56
The anti-pyrosphere of setting in tankage 561, be equipped in waterway converter 6 with anti-pyrosphere against anti-molten ring muscle 65, waterway converter 6 assembles
Afterwards, it is positioned by anti-pyrosphere and anti-molten ring muscle 65, since the two is continuously to contact, greatly reduces the two during rotation is molten
The heat that generates of relative motion and probability to parts damages.Meanwhile anti-molten ring muscle 65 is fixed on by the 6th guiding rib 64
In waterway converter 6, also, there is gap 66 between anti-molten ring muscle 65 and the inner wall of waterway converter 6, gap 66 is second
The a part in road 62, so that raw water passes through.
Between the outer wall of waterway converter 6 and the inner wall of mounting head 1 there is third to cross water space 23, third crosses water space 23
Water space 22 is crossed with second to communicate, and water space 22 and concentrated water water outlet 13 are crossed with connection second.Alternatively, can also be converted in water route
Third flow channel is set in device, and third flow channel and second cross water space and communicate, and the inner wall of the outer wall of waterway converter and mounting head
Sealing cooperation.
Element kit based on above structure, during water processed, raw water enters element kit, edge from raw water inlet 11
Second flow channel 62 between waterway converter 6 and pure water outlet pipe 56 flow, pass through water-carrying groove 55 and enter isolation 5 He of cover
First runner 51 between cylinder 41 reaches reverse osmosis filter core 3 close to the end of mounting head 1 along first runner 51.It is then former
Water enters in raw water water guide layer, and axially passes through, and under the action of pressure before film, has part water to enter by reverse osmosis membrane 32
Pure water water guide layer forms pure water, and pure water is along pure water water guide laminar flow and progresses into central tube 31, then along central tube 31
It flows through the second through-hole 415 enters in postposition clean unit 4 first and shunts gap 442, in the effect of the first flow distribution plate 44
Under, it is uniformly contacted with the filter material 42 in cylinder 41, after filter material 42, passes sequentially through first through hole 414, pure water water outlet
Pipe 56 is finally flowed out from pure water outlet 12.Part is not by the raw water of reverse osmosis membrane 32 from raw water water guide layer far from mounting head 1
One end flows out and forms concentrated water, and concentrated water passes sequentially through first, and water space 21, second crosses water space 22 excessively and third crosses water space 23,
Finally flowed out from concentrated water water outlet 13.
As the embodiment of the present invention two, as shown in figures 11-13, unlike above-described embodiment one, in this programme
Filter material 42a in postposition clean unit 4a is rodlike active carbon, wherein rodlike active carbon can be extruded activated carbon, can also be with
It is that carbon fiber rolls up the rodlike active carbon formed on bracket.Since element kit inner space is limited, in element kit height one
Under conditions of fixed, the axial height of postposition clean unit is big, then the axial height of reverse osmosis filter core is small, this is detrimental to protect
Demonstrate,prove reverse osmosis filter core salt rejection rate.And there is higher purification efficiency in the present embodiment, under rodlike active carbon unit volume, it can be with
Preferably match the reverse osmosis filter core of big flux, including clean-up effect and service life.
Specifically, the center of rodlike active carbon 42a is equipped with central flow channel 421a, the side wall and cylinder of rodlike active carbon 42a
Runner 422a in gap is formed between the inner wall of body 41a, water flow passes through rodlike active carbon 42a from gap runner 422a and enters central stream
Road 421a passes through pure water outlet pipe 56a after completing the purification movement of postposition clean unit 4a, flows out and filter from pure water outlet 12a
Core assembly.It is, of course, also possible to which axially extending rib is arranged in the inside sidewalls in cylinder 41a, to guide water flow in a clearance flow
Axial flowing in road 422a.Rodlike active carbon 42a is equipped with the end cover 44a for sealing the end far from the one end mounting head 1a,
Meanwhile end cover 44a close central runner 421a is far from the one end mounting head 1a, end cover 44a is towards rodlike active carbon 42a
Side is equipped with positioning convex tendon 443a, and positioning convex tendon 443a is protruded into central flow channel 421a with the inner wall of central flow channel 421a against fixed
Position.End cover 44a, on the one hand, play the positioning of the assembly to rodlike active carbon 42a, on the other hand, avoid pure water from rodlike
The end of active carbon 42a is directly entered central flow channel 421a and weakens clean-up effect.The bottom wall of end cover 44a and cylinder it
Between form third and shunt gap 444a, the second through-hole 415a is communicated by third shunting gap 444a with gap runner 422a, with
The water flow entered from the second through-hole 415a is set to enter gap runner 422a, wherein the generation type that third shunts gap 444a can
To use for reference the generation type in the first shunting gap 442 in above-described embodiment one, expansion that details are not described herein again.Central flow channel 421a is leaned on
Nearly one end mounting head 1a is communicated with first through hole 414a, and connects pure water outlet 12a.
Cooperate in addition, rodlike active carbon 42a is sealed close to the roof 411a of the one end mounting head 1a and cylinder 41a.This implementation
In example, cylinder 41a includes cylinder cover 411a, and cylinder cover 411a constitutes the roof of cylinder 41a.The outer of cylinder cover 411a is equipped with
Positioning convex tendon 418a, positioning convex tendon 418a and rodlike active carbon 42a side wall are against limit.
Other structures in the present embodiment, such as isolation cover, waterway converter, first runner, guiding rib, reverse osmosis diafiltration
Core, central tube and its corresponding cooperation, interconnected relationship etc. can use for reference above-described embodiment, and details are not described herein again.
As the embodiment of the present invention three, as shown in Figure 14-Figure 16, cylinder 41b is equipped with outside close to the one end mounting head 1b
The outer end of the pure water outlet pipe 56b of extension, pure water outlet pipe 56b constitute pure water outlet 12b.Cover 5b is isolated close to installation
The one end head 1b was equipped with water through-hole 57b, and pure water outlet pipe 56b passed through water through-hole 57b.The outer wall and mistake of pure water outlet pipe 56b
The hole of water through-hole forms water-carrying groove 571b between, and water-carrying groove 571b is connected to first runner 51b and raw water inlet 11b, wherein
The positioning bar radially extended can be set in one of hole edge or the outer wall of pure water outlet pipe for crossing water through-hole, to another with the two
One against positioning, guarantees cylinder and the rigging position of cover is isolated.
It is equipped with waterway converter 6b between mounting head 1b and isolation cover 5b, waterway converter 6b is set in pure water outlet pipe
56b is outer and second flow channel 62b is formed between the tube wall of pure water outlet pipe 56b, and second flow channel 62b passes through water-carrying groove 571b and the
One runner 51b is communicated.The periphery of water-carrying groove 571b has sealing ring the muscle 552b, waterway converter 6b extended towards mounting head 1b
One end and sealing ring muscle 552b sealing far from mounting head 1b cooperate.Certainly, waterway converter can also be isolated cover one
Molding.
Other structures in the present embodiment, for example, isolation cover, first runner, guiding rib, reverse osmosis filter core, central tube and
It accordingly cooperates, be interconnected relationship, and the intracorporal filter material of cylinder and its waterway structure etc. can use for reference above-described embodiment, herein no longer
It repeats.
As the embodiment of the present invention four, as shown in figure 17, isolation cover 5c is seperated part comprising isolation cover body
58c and end cover of filter element 59c.Isolation cover body 58c cover is set outside postposition clean unit 4c, and forms first runner therebetween
51c.End cover of filter element 59c is fixed on reverse osmosis filter core 3c close to the end of mounting head 1c, be isolated its two sides raw water runner and
Concentrated water runner.There is the mounting hole fixed with cover body 58c installation is isolated at the center end cover of filter element 59c, sealed after the two assembly
Cooperation, the hole of the second through-hole 415c of cylinder 41c along having a pipeline extended backwards to mounting head 1c, the pipeline pass through mounting hole and
It seals and cooperates with central tube 31c, it is of course also possible to be that central tube passes through mounting hole and seals and cooperate with the second through-hole.This implementation
End cover of filter element 59c in example has roof, is formed for water flow path between the roof and the end of reverse osmosis filter core 3c to dispersion
Gap.It it is appreciated that the top of end cover of filter element can also not have roof, but is in open-like shape, the end cover of filter element and isolation cover
Cup body is sealed close to reverse osmosis filter core one end to be cooperated.Other structures in the present embodiment can use for reference above-described embodiment, herein not
Further it is unfolded.
Certainly, those skilled in the art are appreciated that the above is only a preferred embodiment of the present invention, and
Non- practical range for the purpose of limiting the invention, i.e., it is all according to equivalent changes and modifications made by the present invention, it is all that right of the present invention is wanted
It asks range to be covered, no longer illustrates one by one here.
Claims (12)
1. a kind of reverse osmosis composite filter element component, including mounting head, shell and the reverse osmosis filter core in shell, the reverse osmosis
Have first to cross water space between diafiltration core and shell, the mounting head is located at the end of shell, and the mounting head is equipped with original
Water water inlet, pure water outlet and concentrated water water outlet, the reverse osmosis filter core include central tube and are wrapped in anti-on central tube
Permeable membrane, the interior pure water water guide layer for forming raw water water guide layer and being communicated with central tube of the reverse osmosis membrane, which is characterized in that packet
It includes:
Postposition clean unit, between reverse osmosis filter core and mounting head, the central tube by postposition clean unit with it is pure
Water water outlet communicates;
Cover is isolated, cover is placed in outside postposition clean unit;
First runner is located between isolation cover and postposition clean unit, one of the raw water inlet or concentrated water water outlet
It is communicated with reverse osmosis filter core close to mounting head one end by first runner;
Second crosses water space, is located between isolation cover and shell, and the raw water inlet or the another of concentrated water water outlet are led to
The second water space and first excessively is crossed to cross water space and communicate with reverse osmosis filter core far from mounting head one end.
2. reverse osmosis composite filter element component according to claim 1, which is characterized in that the postposition clean unit includes cylinder
Body and be located at the intracorporal filter material of cylinder, the cylinder include close to mounting head one end roof, far from mounting head one end bottom wall and
Peripheral wall, the roof are equipped with the first through hole that communicates with pure water outlet, and the bottom wall is equipped with the communicated with central tube
Two through-holes.
3. reverse osmosis composite filter element component according to claim 2, which is characterized in that the bottom wall outer of the cylinder is equipped with
The first guiding rib radially extended, first guiding rib and reverse osmosis filter core close to the end of mounting head against;Alternatively, institute
State the second guiding rib for being equipped with and axially extending on the outside of the peripheral wall of cylinder;Alternatively, being equipped with edge on the inside of the peripheral wall of the isolation cover
Axially extending third guiding rib;Alternatively, being equipped with the 4th guiding rib radially extended, institute on the inside of the roof of the isolation cover
State on the outside of the roof of the 4th guiding rib and cylinder against;Alternatively, being equipped with the 5th radially extended on the outside of the roof of the cylinder
Guiding rib, the 5th guiding rib be isolated the inner wall of cover against.
4. reverse osmosis composite filter element component according to claim 2, which is characterized in that the filter material is granular activated carbon,
Pure water axially passes through granular activated carbon.
5. reverse osmosis composite filter element component according to claim 4, which is characterized in that be placed on the bottom wall of the cylinder
First flow distribution plate, first flow distribution plate are equipped with multiple water holes, are formed between first flow distribution plate and the bottom wall of cylinder
First shunts gap, and second through-hole passes sequentially through the first shunting gap and water hole on the first flow distribution plate and living with particle
Property charcoal communicates;
Alternatively, being placed with the second flow distribution plate on the roof of the cylinder, second flow distribution plate is equipped with multiple water holes, described
Second is formed between second flow distribution plate and the bottom wall of cylinder and shunts gap, and the granular activated carbon passes sequentially through on the second flow distribution plate
Water hole and second shunting gap and communicated with first through hole.
6. reverse osmosis composite filter element component according to claim 2, which is characterized in that the filter material is rodlike active carbon,
The center of the rodlike active carbon is equipped with central flow channel, forms gap between the side wall of the rodlike active carbon and the inner wall of cylinder
Runner, the rodlike active carbon are equipped with the end cover for sealing the end far from mounting head one end, in end cover closing
It entreats runner far from mounting head one end, forms third between the end cover and the bottom wall of cylinder and shunt gap, described second is logical
Hole shunts gap by third and communicates with gap runner, and the central flow channel is communicated close to mounting head one end with first through hole.
7. reverse osmosis composite filter element component according to claim 1, which is characterized in that the postposition clean unit is close to peace
Fill first end pure water outlet pipe with outward extension, the outer end of the pure water outlet pipe constitutes pure water outlet, it is described every
It was equipped with water through-hole close to mounting head one end from cover, the pure water outlet pipe passed through water through-hole, the pure water outlet pipe
Outer wall and the hole for crossing water through-hole form water-carrying groove, the water-carrying groove connection first runner and raw water inlet or concentrated water between
One of water outlet.
8. reverse osmosis composite filter element component according to claim 7, which is characterized in that the mounting head and isolation cover it
Between be equipped with waterway converter, it is outer and formed between the tube wall of pure water outlet pipe that the waterway converter is set in pure water outlet pipe
Second flow channel, the second flow channel are communicated by water-carrying groove with first runner, and the periphery of the water-carrying groove has towards mounting head
The sealing ring muscle of extension, the one end of the waterway converter far from mounting head and the sealing of sealing ring muscle cooperate.
9. reverse osmosis composite filter element component according to claim 1, which is characterized in that the isolation cover is close to mounting head
One end is equipped with the pure water through-hole communicated with pure water outlet, and the periphery of the pure water through-hole is equipped with water-carrying groove, and the water-carrying groove connects
Logical first runner and one of raw water inlet or concentrated water water outlet.
10. reverse osmosis composite filter element component according to claim 9, which is characterized in that the isolation cover is close to installation
The outer end of first end pure water outlet pipe with outward extension, the pure water outlet pipe constitutes pure water outlet, the pure water
Through-hole is located in pure water outlet pipe, and the water-carrying groove is located at the periphery of pure water outlet pipe, between the mounting head and isolation cover
Equipped with waterway converter, it is outer and the is formed between the tube wall of pure water outlet pipe that the waterway converter is set in pure water outlet pipe
Two runners, the second flow channel are communicated by water-carrying groove with first runner, and the periphery of the water-carrying groove has prolongs towards mounting head
The sealing ring muscle stretched, the one end of the waterway converter far from mounting head and the sealing of sealing ring muscle cooperate.
11. the reverse osmosis composite filter element component according to claim 8 or 10, which is characterized in that the waterway converter
There is third to cross water space, the third crosses water space and the second water space excessively communicates between outer wall and the inner wall of mounting head;Or
Person, the outer wall of the waterway converter and the inner wall of mounting head seal cooperation, have third flow channel, institute in the waterway converter
It states third flow channel and the second water space excessively communicates.
12. reverse osmosis composite filter element component according to claim 1, which is characterized in that in the peripheral wall of the isolation cover
Side has a positioning convex platform, the positioning convex platform and reverse osmosis filter core close to mounting head one end against positioning, the isolation cover
Peripheral wall also has the mounting ring muscle extended backwards to mounting head, and the mounting ring muscle is coated on reverse osmosis filter core close to mounting head one end
Side wall it is outer and cooperate with reverse osmosis cartridge seal.
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JP2008100127A (en) * | 2006-10-17 | 2008-05-01 | Toyobo Co Ltd | Fluid separation membrane element |
CN105540902A (en) * | 2016-03-08 | 2016-05-04 | 北京四季沐歌太阳能技术集团有限公司 | Compact type RO (reverse osmosis) water purifier filter element |
CN206156806U (en) * | 2016-10-26 | 2017-05-10 | 佛山市美的清湖净水设备有限公司 | Filter element and water purification equipment |
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2017
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Patent Citations (3)
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JP2008100127A (en) * | 2006-10-17 | 2008-05-01 | Toyobo Co Ltd | Fluid separation membrane element |
CN105540902A (en) * | 2016-03-08 | 2016-05-04 | 北京四季沐歌太阳能技术集团有限公司 | Compact type RO (reverse osmosis) water purifier filter element |
CN206156806U (en) * | 2016-10-26 | 2017-05-10 | 佛山市美的清湖净水设备有限公司 | Filter element and water purification equipment |
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