CN206996293U - Lateral flow type counter-infiltration element kit - Google Patents
Lateral flow type counter-infiltration element kit Download PDFInfo
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- CN206996293U CN206996293U CN201720714149.5U CN201720714149U CN206996293U CN 206996293 U CN206996293 U CN 206996293U CN 201720714149 U CN201720714149 U CN 201720714149U CN 206996293 U CN206996293 U CN 206996293U
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Abstract
The utility model discloses lateral flow type counter-infiltration element kit, counter-infiltration filter core including shell and in shell, have first to cross water space between counter-infiltration filter core and shell, counter-infiltration filter core includes pure water water guide layer and raw water water guide layer, pure water water guide layer is sealed between two layers of membrane component, raw water water guide layer is intervally arranged with pure water water guide layer, there is raw water inlet on lateral flow type counter-infiltration element kit, pure water delivery port and concentrated water delivery port, the both ends of counter-infiltration filter core included water portion and closure respectively, closing portion is in the periphery for crossing water portion, raw water flows along raw water water guide helical layer shape, wherein, the radial thickness of counter-infiltration filter core is R, the radial thickness for crossing water portion corresponding part is r, 1/4≤r/R≤1/2.On the one hand, the enough discharge areas in water portion were ensure that, meet the requirement of flux, on the other hand, ensure that the length that helical flow section is enough in raw water water guide layer so that raw water fully contacts with the surface of membrane component, reduces waste water ratio.
Description
Technical field
A kind of lateral flow type counter-infiltration element kit is the utility model is related to, belongs to water-treatment technology field.
Background technology
With the raising that people require for drinking water quality, pure water system is just progressing into the drinking-water system of every household
In.Water purifier in the market typically can all use counter-infiltration element kit, and counter-infiltration element kit can be in raw water
The impurity such as organic matter, colloid, bacterium, virus are filtered, and especially have high mistake to impurity such as inorganic salts, heavy metal ion
Filter efficiency.Thus counter-infiltration element kit constitutes the core component of water purifier, filter effect and the counter-infiltration filter core of water purifier
The filter effect of component is directly related.The structure of counter-infiltration element kit can be diversified, but in counter-infiltration filter core
It can all be used in component and arrive membrane component and central tube.In most of existing product, all twined only with a central tube, membrane component
It is wound on central tube formation counter-infiltration filter core, during filtering, raw water is intake from counter-infiltration filter core end, and along counter-infiltration filter core
Axial movement, by the pure water collection after filtering to central tube, concentrated water then flows out from another end of counter-infiltration filter core.It is this
The counter-infiltration element kit inflow of structure is low, and water flow passage processed is short, and the holdup time that raw water contacts with the surface of membrane component is short
Problem, accordingly, with respect to the raw water influx for being flowed into reverse osmosis membrane filter element component, after the purification of reverse osmosis membrane filter element component
The pure water amount discharged by pure water delivery port is relatively low, and water resource waste is serious.It is unstable also to there is internal pressure simultaneously, takes off
A series of problems, such as salt rate is low, and membrane component cannot be fully utilized, and membrane component utilizes region unbalanced.
And these problems are directed to, also someone makes optimization to counter-infiltration element kit and proposes lateral flow type counter-infiltration filter core
Component, but existing lateral flow type counter-infiltration element kit is because water flow passage processed is grown, and in the shape of a spiral, cause pressure drop excessive, enter
And cause in the case of membrane component uniformly utilizes, reduced the effect of waste water ratio etc. acquirement unconspicuous, cause water processed on the contrary
Flux cannot ensure.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of lateral flow type counter-infiltration element kit, including shell and it is located at
Counter-infiltration filter core in shell, have first to cross water space, the counter-infiltration filter core bag between the counter-infiltration filter core and shell
Pure water water guide layer and raw water water guide layer are included, the pure water water guide layer is sealed between two layers of membrane component, the raw water water guide layer
It is intervally arranged with pure water water guide layer, there is raw water inlet, pure water delivery port and dense on the lateral flow type counter-infiltration element kit
Water delivery port, it is characterised in that the both ends of the counter-infiltration filter core included water portion and closure respectively, the closing portion in
Cross the periphery in water portion, raw water flows along raw water water guide helical layer shape, wherein, the radial thickness of the counter-infiltration filter core is R, institute
The radial thickness for stating water portion corresponding part is r, 1/4≤r/R≤1/2.
Further, the influent side crossed water portion and form raw water water guide layer, the end of the membrane component form raw water and led
The water outlet side of water layer, wherein, 1/3≤r/R≤1/2；Or the end of the membrane component forms the influent side of raw water water guide layer,
The water outlet side crossed water portion and form raw water water guide layer, wherein, 1/4≤r/R ＜ 1/3.
Further, the thickness of the raw water water guide layer is uniform；Or the radial direction of the influent side of the raw water water guide layer is thick
Radial thickness of the degree more than the water outlet side of raw water water guide layer.
Further, the thickness sum of the raw water water guide layer is w, the thickness for crossing raw water water guide layer corresponding to water portion
Sum is respectively v, wherein, 1/8≤v/w≤3/4.
Further, one end of the shell is provided with mounting head, the raw water inlet, pure water delivery port and concentrated water water outlet
Mouthful it is respectively positioned in mounting head, the center of the counter-infiltration filter core is provided with central tube, and the central tube includes the first central tube and embedding
The second central tube being enclosed in the first central tube, it is logical that the gap between first central tube and the second central tube forms first
Road, the Inner Constitution second channel of second central tube is described to cross water portion connection raw water water guide layer and first passage, and described the
Two passages connect pure water water guide layer and pure water delivery port；Or one end of the shell is provided with mounting head, the raw water water inlet
Mouth, pure water delivery port and concentrated water delivery port are respectively positioned in mounting head, and the center of the counter-infiltration filter core is provided with central tube, in described
Heart pipe includes the first central tube and second central tube parallel with the first central tube, one end closing of first central tube, institute
The Inner Constitution first passage of the first central tube, the Inner Constitution second channel of second central tube are stated, the water portion of crossing connects
Logical raw water water guide layer and first passage, the second channel connection pure water water guide layer and pure water delivery port.
Further, the end of the counter-infiltration filter core is provided with end cap, and the end cap includes the close to mounting head one end
One end cap and the second end cap away from mounting head one end, the portions end of the first end cap seal counter-infiltration filter core, and then structure
Closure into counter-infiltration filter core close to mounting head one end, first end cap have the first through hole passed through for central tube, institute
Stating the hole edge of first through hole has the first sealed muscle of the ring-type extended to mounting head direction, first sealed muscle and mounting head
Formed sealing coordinate, and then by it is described cross water portion with first water space keep apart, the second end cap seal counter-infiltration filter core
Portions end, and then form closure of the counter-infiltration filter core away from mounting head one end.
Further, the central area of the second end cap inner surface has the water excessively for connecting water portion and first passage
Groove, and then raw water water guide layer, excessively water portion, water-carrying groove connect with first passage；Or the center of second end cap has
Second through hole, along the second sealed muscle with the ring-type extended to the bottom of shell, described second is close in the hole of second through hole
Seal the sealed bottom of muscle and shell.
Further, the end cap central has centring ring, and the centring ring is connected on end cap by dowel, described
Centring ring, which is arranged, is fixed on central tube.
Further, the raw water inlet includes the first raw water inlet and the second raw water inlet, and described first is former
Water water inlet, pure water delivery port and concentrated water delivery port are located at one end of shell, and second raw water inlet is located at the another of shell
One end, first raw water inlet and the second raw water inlet respectively by with its it is similar cross water portion and with raw water water guide sector
Influent side communicate, the counter-infiltration filter core center is provided with central tube, the central tube connection pure water water guide layer and pure water water outlet
Mouthful, the concentrated water delivery port is crossed water space by first and communicated with the water outlet side of raw water water guide layer；Or the concentrated water delivery port
Including the first concentrated water delivery port and the second concentrated water delivery port, the raw water inlet, pure water delivery port and the first concentrated water delivery port
Positioned at one end of shell, the second concentrated water delivery port is located at the other end of shell, the first concentrated water delivery port and second dense
Water delivery port with its similar water portion excessively with the water outlet side of raw water water guide layer respectively by communicating, the counter-infiltration filter core center
Provided with central tube, the central tube connection pure water water guide layer and pure water delivery port, the raw water inlet are crossed between water by first
Gap communicates with the influent side of raw water water guide layer.
Further, the outside of the counter-infiltration filter core is provided with the supporting network for preventing counter-infiltration filter core dilatating and deformable.
For lateral flow type counter-infiltration filter core, the runner of raw water water guide layer, which can be divided into along element kit, axially to be flowed
Axial flow sections and helical flow helical flow section, in the utility model, closure has corresponded to helical flow section, crosses water
Portion has corresponded to axial flow sections.R/R >=1/4, the enough discharge areas in water portion were ensure that, meet the requirement of flux, and if
R/R ＜ 1/4, because the discharge area for crossing too small at water portion will cause flow rate of water flow larger, because helical flow section and axial direction flow
There is larger angle in the water (flow) direction of dynamic section so that current are difficult to be folded to, it will cause water flow inside not smooth.On the other hand,
R/R≤1/2, it ensure that the length that helical flow section is enough in raw water water guide layer so that the surface of raw water and membrane component fully connects
Touch, reduce waste water ratio.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the Longitudinal cross section schematic of the lateral flow type counter-infiltration element kit of the utility model embodiment one；
Fig. 2 is the expanded view of counter-infiltration filter core in the utility model；
Fig. 3 is the Longitudinal cross section schematic of the lateral flow type counter-infiltration element kit of the utility model embodiment two；
Fig. 4 is the partial schematic diagram one of the lateral flow type counter-infiltration element kit of the utility model embodiment two；
Fig. 5 is the partial schematic diagram two of the lateral flow type counter-infiltration element kit of the utility model embodiment two；
Fig. 6 is the assembling schematic diagram of end cap and central tube in the utility model；
Fig. 7 is the Longitudinal cross section schematic of the lateral flow type counter-infiltration element kit of the utility model embodiment three.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
Do not limited by following public specific embodiment.
In description of the present utility model, it is to be understood that " " center ", " on " in term, " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right" are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model and simplify and describe, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second "
It is only used for describing purpose, and it is not intended that instruction or hint relative importance.
As shown in Figure 1 and Figure 2, a kind of lateral flow type counter-infiltration element kit, including shell 1 and the counter-infiltration in shell 1
Filter core 2, have first to cross water space 31 between counter-infiltration filter core 2 and shell 1, counter-infiltration filter core 2 includes the He of pure water water guide layer 21
Raw water water guide layer 22, pure water water guide layer 21 are sealed between two layers of membrane component, between raw water water guide layer 22 and pure water water guide layer 21
Every arrangement, i.e. pure water water guide layer 21 is located at the inside of bag-shaped reverse osmosis membrane, and after wound membrane between the desalination layer of adjacent reverse osmosis membrane
Runner be raw water water guide layer 22.It should be noted that reverse osmosis membrane is the closing to being formed to bonding from two layers of membrane component
Bag shaped structure, in general can be from two panels membrane component to being formed to bonding, or is formed by cohesive after monolithic membrane component doubling
The bag shaped structure of closing, wherein, the desalination layer of membrane component is located at the outer surface of bag-shaped reverse osmosis membrane, and counter-infiltration filter core 2 is then
It is rolled into by a piece of or a piece of above reverse osmosis membrane.In the present embodiment, raw water inlet includes the first raw water inlet 111 and the
Two raw water inlets 112, the first raw water inlet 111, pure water delivery port 12 and concentrated water delivery port 13 are located at one end of shell, the
Two raw water inlets 112 are located at the other end of shell 1, and the first raw water inlet 111 and the second raw water inlet 112 pass through respectively
Communicated with its similar water portion 231 excessively with the influent side of raw water water guide sector.Counter-infiltration filter core center is provided with central tube 4, center
Pipe 4 connects pure water water guide layer 21 and pure water delivery port 22, and concentrated water delivery port 13 crosses water space 31 and raw water water guide layer by first
22 water outlet side communicates.
The both ends of counter-infiltration filter core 2 included water portion 231 and closure 232 respectively, and closure 232 was located at water portion 231
Periphery, raw water is along the helical flow of raw water water guide layer 22.Specifically, pure water enters bag-shaped reverse osmosis membrane by membrane component
It is interior, and the pure water water guide layer 21 along inside flows, and in order to improve flow efficiency, can set separation net in bag-shaped membrane component,
To widen the gap width of pure water water guide layer 21, on the other hand, raw water flows along raw water water guide layer 22 and formed in water outlet side
Concentrated water, discharge outside counter-infiltration filter core 2.Focus on, the radial thickness of counter-infiltration filter core 2 is R, crosses the corresponding part of water portion 231
Radial thickness is r, 1/4≤r/R≤1/2.It should be noted that the radial thickness of counter-infiltration filter core refer to counter-infiltration filter core along
Radially from madial wall to the thickness of lateral wall, the radial thickness for crossing water portion corresponding part referred to water portion corresponding part along radially
From the thickness in inner side to outside.For lateral flow type counter-infiltration filter core, the runner of raw water water guide layer 22 can be divided into along filter
The helical flow section of axial flow sections and helical flow that core assembly axially flows, wherein, closure 232 has corresponded to spiral flow
Dynamic section, cross water portion 231 and corresponded to axial flow sections.If r/R ＜ 1/4, the discharge area for crossing water portion is too small, it is difficult to meets flux
It is required that also, crossing discharge area too small at water portion will cause flow rate of water flow larger, due to helical flow section and axial flow sections
Water (flow) direction larger angle be present so that current are difficult to be folded to, it will cause water flow inside not smooth.Simultaneously, on the one hand, former
The runner of water water guide layer 22 is longer, and the pressure of its rear end is smaller, on the other hand, in helical flow section, unit flow channel length
Pressure drop is more than the reverse osmosis membrane of conventional axial flowing, in order to offset the counter-infiltration for the raw water water guide layer water outlet side that above-mentioned reason is brought
The problem of film utilization rate is relatively low, inhibition of the element kit internal watercourses to current need to be fully reduced, then requires above-mentioned parameter
Relation meets r/R >=1/4 so that smooth in water flow by crossing water portion, with keep enough film before pressure, also, enough stream
Road width avoids narrow in water portion excessively and make it that the position flow velocity is too fast, and then damages the membrane component of water portion opening position.Separately
On the one hand, if r/R ＞ 1/2, the length of helical flow section is too short, the holdup time that raw water contacts with the surface of membrane component
It is short, and cause waste water bigger.
For the present embodiment, the influent side that water portion 231 forms raw water water guide layer 22 is crossed, the end of membrane component forms raw water
The water outlet side of water guide layer 22.Specifically, the centrally disposed central tube 4 of counter-infiltration filter core 2, central tube 4 is by being arranged on tube wall
Water hole 40 communicated with pure water water guide layer 21, and the one end of central tube 4 communicates with pure water delivery port 12, and the other end is close to second
Raw water inlet 112 and be blind end.The both ends of counter-infiltration filter core 2 are respectively equipped with the second end cap of box 52 of the first end cap 51, and first
The portions end of end cap and the second end cap seal counter-infiltration filter core 2, and then form the closure of the end of counter-infiltration filter core 2.Wherein,
The center of first end cap 51 has first through hole, and central tube 4 communicates through first through hole with pure water delivery port 12, first through hole
The sealed wall 511 that hole extends along having to the direction of the first raw water inlet 111, the respective end of shell 1 are close with extending internally
Muscle 14 is sealed, sealed muscle 14 coordinates with the sealing of sealed wall 511, and then is isolated with other streams, and the first raw water inlet 111 passes through
Cross water portion 231 and communicated with raw water water guide layer 22；The outer of second end cap 52 and the inwall of shell 1 seal against, and avoid first
Cross the raw water inlet 112 of water space 31 and second and string water occur, also there is on the second end cap 52 second through hole, the second through hole to
Connect this one end of counter-infiltration filter core crosses water portion and the second raw water inlet 112.
Based on above-mentioned water (flow) direction, because the water of raw water is concentrated water and the water sum of pure water, as raw water water guide layer
The discharge area for crossing water portion 231 of 22 influent sides need to set it is larger, further, since the present embodiment reclaimed water stream, which passed through, crosses water portion
231 need to be by the edge cutting of membrane component, and because water amount is larger when entering raw water water guide layer 22, therefore need to match larger
Discharge area, reduce the edge that flow rate of water flow avoids damaging membrane component.Preferably, 1/3≤r/R≤1/2.
As further embodiments, the water (flow) direction inside lateral flow type counter-infiltration element kit can also be with above-mentioned from introversive
Outer flow direction is on the contrary, specifically, the influent side of the end composition raw water water guide layer of membrane component, crossing water portion and forming raw water water guide layer
Water outlet side.Due to crossing the water outlet side that water portion is raw water water guide layer, the water of concentrated water is less than the water of raw water, the opposing party
Face, the appropriate discharge area for reducing water outlet side, be advantageous to pressure before holding film.Preferably, 1/4≤r/R ＜ 1/3.It is worth mentioning
, in present embodiment, because the curvature closer to outside is smaller, and the resistance that water flows in the smaller gap of curvature is got over
It is small, then, the pressure drop of current is smaller.So in the case of equal original hydraulic pressure, the solution of the present invention can make more large area
Membrane component efficiently utilized.And due to producing water efficiency high, then raw water it has been obviously improved and has been flowed in the section on membrane component surface
Speed, reduce the risk of surface scale.Under this embodiment, concentrated water delivery port includes the first concentrated water delivery port and the second concentrated water
Delivery port, wherein, raw water inlet, pure water delivery port and the first concentrated water delivery port are located at one end of shell, the second concentrated water water outlet
Mouth is located at the other end of shell.First concentrated water delivery port and the second concentrated water delivery port respectively by with its it is similar cross water portion and with
The water outlet side of raw water water guide layer communicates, and counter-infiltration filter core center is provided with central tube, and central tube connection pure water water guide layer and pure water go out
The mouth of a river, raw water inlet cross the influent side phase of water space and raw water water guide layer by first between counter-infiltration filter core and shell
It is logical.Specific water process processed is as follows, and raw water enters in shell from raw water inlet, is crossed by first after water space from membrane component
End enter raw water water guide layer in, in the presence of film pressure at both sides, have stepped through the resistance salt deposit of membrane component and in pure water water guide
Pure water is formed in layer and enters central tube along pure water water guide layer, is then flowed out from pure water delivery port.On the other hand, do not formed pure
The raw water of water continues on raw water water guide laminar flow, and crosses water portion outflow raw water water guide layer from positioned at counter-infiltration filter core both ends,
Finally flowed out respectively from its similar first concentrated water delivery port or the second concentrated water delivery port.
In the present embodiment, the radial thickness of the influent side of raw water water guide layer 22 is more than the footpath of the water outlet side of raw water water guide layer 22
To thickness.It should be noted that above-mentioned radial thickness refer to form raw water water guide layer adjacent two panels membrane component between in footpath
Upward distance.Said structure is advantageous to increase the influent side discharge area of raw water water guide layer 22, avoids in raw water water guide layer 22
Influent side form larger pressure drop, meanwhile, be also beneficial to reduce the flow velocity of the influent side of raw water water guide layer 22, avoid to membrane component
The abutting edge at edge forms and damaged compared with thump.Importantly, due to the pass of pure water is produced in the runner of raw water water guide layer 22
System, the water amount of the runner influent side of raw water water guide layer 22 are greater than the water amount of raw water water guide laminar flow road water outlet side, the structure
Be advantageous to the enough pressure of the water outlet side of raw water water guide layer 22 holding and flow velocity, on the one hand, the production water efficiency at this is ensure that, it is another
Aspect, avoid and produce inorganic salts precipitation because flow velocity is slow at this, and then in membrane component surface scale.
Specifically, raw water water guide layer 22 includes first-class section close to influent side and the second section close to water outlet side, the
The radial thickness of first-class section and second section is uniform, and first-class section radial thickness be more than second section radial thickness.
In general, raw water water guide layer 22 is interior to be provided with raw water filter, to support the membrane component of the both sides of raw water water guide layer 22, avoids membrane component
Resistance salt deposit even fit at a distance of excessively near and influence the effective area of membrane component.Preferably, the raw water filter in first-class section
The number of plies more than the raw water filter in second section the number of plies.Such as：Two layers of raw water filter, second section are set in first-class section
Interior raw water filter uses one layer；Or three layers of raw water filter are set in first-class section, the raw water filter in second section uses
One layer；Or one layer of raw water filter is set in first-class section, raw water filter is not provided with second section, needs what is illustrated herein
Be, because the front end of second section is continuous membrane component, current by when can nature strut the membrane component of both sides without going out
The situation of existing above-mentioned influence membrane component effective area, in addition, in order to reduce cost, number of components is reduced, above-mentioned raw water filter is equal
For same thickness.Different from the embodiment described above as the another embodiment of raw water filter, raw water filter is first
The thickness for flowing section correspondence position is more than thickness of the raw water filter in second section correspondence position, that is, is employed as the raw water of single piece
Filter, and the thickness of each section of raw water filter differs.
As another embodiment, raw water water guide layer is gradually thinning from influent side to water outlet side so that raw water water guide layer
Each stream section pressure and flow velocity be all effectively controlled, be advantageous to the overall efficient utilization of membrane component.Preferably, raw water water guide
Raw water filter is provided with layer, raw water filter is gradually thinning from influent side to water outlet side.
Based under said structure, preferably, the radial thickness of the influent side of raw water water guide layer is the water outlet of raw water water guide layer
1.5 ~ 3 times of the radial thickness of side.Concrete analysis, if aforementioned proportion is more than 3, on the one hand, the radial thickness of influent side is excessive,
Not only cause influent side insufficient pressure, and also increase the radial dimension of counter-infiltration filter core, on the other hand, due to influent side and
The runner discharge area difference of water outlet side is larger, it is contemplated that the waste water ratio of counter-infiltration filter core is typically 3:1~1:Between 1, water outlet side
Pressure and flow velocity could possibly be higher than the pressure and flow velocity of influent side on the contrary, be unfavorable for the reasonable utilization of membrane component on the contrary；On if
Ratio is stated less than 1.5, because the runner discharge area of influent side and water outlet side is close, the pressure and flow velocity of water outlet side cannot be bright
It is aobvious to improve, the problems such as still by significantly lower than the pressure and flow velocity of influent side, above-mentioned water outlet side production water efficiency is low, easy fouling according to
So exist.
Certainly, from inexpensive angle, the thickness of raw water water guide layer can also be uniform, in general, be led in raw water
Raw water filter in uniform thickness is set in water layer.
Further, the thickness sum of raw water water guide layer 22 is w, crosses the thickness of raw water water guide layer 22 corresponding to water portion 231
Sum is respectively v, wherein, 1/8≤v/w≤3/4.It should be noted that above-mentioned thickness sum refers to from counter-infiltration filter core center
To the direction in outside, each layer raw water leads the sum of water layer thickness inside and outside respective regions.Concrete analysis, in above-mentioned raw water from inside to outside
Under the embodiment of spiral flow, due to crossing for the influent side of raw water water guide layer at water portion, preferably, the thickness at this is more than
The thickness of raw water water guide layer water outlet side, takes 1/4 ＜ v/w≤3/4.And in the embodiment of raw water spiral flow from the outside to the core
Under, due to crossing for the water outlet side of raw water water guide layer at water portion, preferably, the thickness at this is less than the thickness of raw water water guide layer influent side
Degree, takes 1/8≤v/w ＜ 1/2.
Further, the outside of counter-infiltration filter core 2 is provided with supporting network, for lateral flow type counter-infiltration filter core, on the one hand,
Because water resistance is larger in filter core, then pressure before larger film is required, on the other hand, because water (flow) direction has centrifugation trend, this
A little counter-infiltration filter cores 2 that all cause have the trend of dilatating and deformable.In order to overcome above mentioned problem, above-mentioned supporting network is wrapped in reverse osmosis
The outside of filter core 2, it is avoided to expand outwardly deformation, simultaneously as its network structure, nor affects on the outer layer of counter-infiltration filter core 2
The production water efficiency of membrane component.
It is as shown in figures 3 to 6, unlike the embodiments above as embodiment two of the present utility model, the present embodiment
In, 1a one end of shell is provided with mounting head 10a, and raw water inlet 11a, pure water delivery port 12a and concentrated water delivery port 13a are respectively positioned on
On mounting head 10a, wherein, mounting head 10a, which is used to install with water purifier body, to be connected, it is important that this by each Inlet and outlet water
Mouth is integrated in the element kit structure of one end, is easy to overall dismounting.Specifically, counter-infiltration filter core 2a both ends included respectively
Water portion 231a and closure 232a, closure 232a were located at water portion 231a periphery, cross water portion 231a respectively with raw water water guide
Layer communicates.Raw water flows along raw water water guide helical layer shape, wherein, the radial thickness of counter-infiltration filter core is R, crosses water portion and corresponds to portion
Point radial thickness be r, 1/4≤r/R≤1/2.
Counter-infiltration filter core 2a centrally disposed first central tube 41a and the second center being nested in the first central tube 41a
Pipe 42a, the second central tube 42a lower end and the first central tube 41a inner wall sealing coordinate, or, the lower end of the second central tube
The first central tube lower end is stretched out, and the sealing of the outer wall of the inwall of the first central tube lower end and the second central tube coordinates, wherein second
The lower end of central tube is open.Second central tube 42a's has been internally formed first passage 43a, the first central tube 41a and second
Second channel 44a is formd between central tube 42a.Water space is crossed in the both sides of raw water water guide layer with first passage 43a, first respectively
31a is communicated, second channel 44a connection pure water water guide layers and pure water delivery port 12a.
In the present embodiment, counter-infiltration filter core 2a end is provided with end cap, and end cap includes first close to mounting head 10a one end
End cap 51a and second end cap 52a, the first end cap 51a sealing counter-infiltration filter core 2a of remote mounting head 10a one end part end
Portion, and then closures of the counter-infiltration filter core 2a close to mounting head 10a one end is formed, the first end cap has the passed through for central tube
First sealed muscle 513a of the ring-type that one through hole 511a, first through hole 511a hole extend along having to mounting head 10a directions, the
One sealed muscle 513a and mounting head 10a form sealing and coordinated, so will cross water portion 231a with first water space 31a keep apart.
Second end cap 42a sealing counter-infiltration filter cores 2a portions end, and then counter-infiltration filter core 2a is formed away from mounting head 10a one end
Closure.Also, the first end cap 51a and the second end cap 52a pass through PUR or asphalt mixtures modified by epoxy resin between closure 232a respectively
Fat seals.This sealing structure effect is reliable, it is of course also possible in the edge spreading glue of membrane component, is bonded during wound membrane
And form closure.
The central area of second end cap 52a inner surfaces, which has, connected water portion and first passage 43a water-carrying groove 521a, entered
And raw water water guide layer, excessively water portion, water-carrying groove 521a connect with first passage 43a.Wherein, water-carrying groove 521a is that outline is
Circular groove, raw water import water-carrying groove 521a from after first passage 43a outflows, then enter raw water water guide by crossing water portion
Layer.The other parts of second end cap 52a inner surfaces cooperatively form closure with counter-infiltration filter core 2a end part seal.In addition, the
Two end cap 52a outer surface has bulge-structure corresponding with inner side water-carrying groove 521a, and shell 1a bottom wall has corresponding recesses,
The fixation of counter-infiltration filter core 2a lower ends is realized in bulge-structure insertion groove.Or second end cap center have second
Through hole, second sealed muscle of the hole edge with the ring-type extended to the bottom of shell of the second through hole, the second sealed muscle and shell
Sealed bottom.
There is centring ring 53a, centring ring 53a to be connected to the first end cap 51a by dowel 54a at the first end cap 51a centers
On, centring ring 53a, which is arranged, is fixed on the first central tube 41a, is advantageous to being accurately positioned between end cap and central tube.Second end cap
On corresponding construction can also be set, it is not reinflated herein.
Extend vertically to counter-infiltration filter core 2a directions in addition, the first end cap 51a and the second end cap 52a outer have respectively
Spacing side wall 512a and spacing side wall 522a, spacing side wall 512a and spacing side wall 522a it is upper with counter-infiltration filter core 2a respectively
The lateral wall of lower end is fixed.Current flow in raw water water guide layer inner-spiral type, have what is expanded outwardly for counter-infiltration filter core 2a
Trend, spacing side wall 512a and spacing side wall 522a setting, contribute to the upper and lower side tension to counter-infiltration filter core 2a spacing, keep away
Exempt from that expansion deformation occurs.In addition, spacing side wall 522a outside can also be with shell 1a inner side against to counter-infiltration filter core 2a
Formed further spacing.And for spacing side wall 512a, its outside needs to have certain interval with shell 1a inner side for crossing water,
Preferably, the positioning rib of Longitudinal extending can be set with spacing side wall 512a outside, and positioning rib and shell 1a inner side are supported
Lean on, both there is positioning action to counter-infiltration filter core 2a, prevent its horizontal vibration, obstruction is not produced to current yet.
In terms of water route inside lateral flow type counter-infiltration element kit, the first end cap 51a, which has, supplies first passage 43a and second
The first of the ring-type that the first through hole 511a that passage 44a passes through, first through hole 511a hole extend along having to mounting head direction
Sealed muscle 513a.Waterway converter 14a is additionally provided with the intake-outlet of element kit.First sealed muscle 513a changes with water route
Device 14a formed sealing coordinate, and then will cross water portion 231a with first cross water space 31a keep apart, avoid string water.The present embodiment
In, waterway converter 14a has the central flow channel 121a connected with first passage 43a, central flow channel 121a side wall and second
Central tube 42a tube wall sealing coordinates.Waterway converter 14a has first flow 122a in central flow channel 121a periphery, the
One runner 122a side wall and the first central tube 41a tube wall sealing coordinate, and then first flow 122a and second channel 44a connects
It is logical.Waterway converter 14a had water cavity 123a, waterway converter 14a and shell 1a sealing in first flow 122a periphery
Coordinate.Waterway converter 14a outer wall and the first sealed muscle 513a sealings coordinate, and waterway converter 14a has connection center stream
The road 121a and section 124a that extends laterally for crossing water cavity 123a, water portion 231a is crossed by crossing water cavity 123a and lateral route extension 124a
And connected with central flow channel 121a.Waterway converter 14a has second flow channel 125a, second in central flow channel 121a periphery
Road 125a crosses water space 31a with first and connected.The second flow channel 125a and first flow 122a of the present embodiment longitudinal extension
Radial dimension apart from central flow channel 121a is identical, is advantageous to reduce the diameter of part；Or second flow channel can also be located at the
The periphery of one runner.Wherein, central flow channel 121a and first flow 122a, second flow channel 125a are spaced apart from each other.In addition, it is
It is easy to waterway converter to manufacture, waterway converter 14a in the present embodiment is also divided into waterway converter 16a and lower water route turns
Parallel operation 17a.Extend laterally section 124a to be located in lower waterway converter 17a, and central flow channel 121a is by upper waterway converter 16a
Connect to be formed with lower waterway converter 17a.Lower waterway converter 17a also includes interior sealing wall and outer seal wall, interior sealing wall
Upper end and the lower end sealing of upper waterway converter 16a central flow channel coordinate, and the lower end of interior sealing wall is with the first central tube 41a's
Upper end sealing coordinates, and the upper end of outer seal wall coordinates with the inner wall sealing for crossing water cavity 123a on upper waterway converter 16a, outer close
The lower end of wall is sealed with the second central tube 42a upper end sealing to coordinate.
During water processed, raw water enters in lateral flow type counter-infiltration element kit from raw water inlet 11a, is flowed by center
Road 121a, and it is divided into two-way in the presence of waterway converter 14a.Wherein entered water cavity by extending laterally a section 124a all the way
123a, and entered in the presence of the hydraulic pressure of front end by crossing water portion 231a in the raw water water guide layer in counter-infiltration filter core 2a；It is another
Curb the first central tube 41a and flowed downward, and into water-carrying groove 521a, and crosses water by lower end in the presence of the hydraulic pressure of front end
Portion enters in raw water water guide layer.After the water inlet of counter-infiltration filter core 2a both ends, raw water outwards flows along raw water water guide layer screw type, and
Gradually produce pure water and enter pure water water guide layer, pure water is entered along pure water water guide layer by the water hole of 42a on the second central tube
In second channel 42a, and flow up along second channel 42a, flowed out by first flow 122a from pure water delivery port 12a.
On the other hand, do not continue to flow along raw water water guide layer by the raw water of membrane component, counter-infiltration filter core is discharged from raw water discharge end
2a and enter first and cross water space 31a, then by second flow channel 125a, finally flowed out from concentrated water delivery port 13a.As for above-mentioned
The water process processed of water (flow) direction under structure embodiment from the outside to the core, the i.e. reverse flow of the process, here is omitted.
As embodiment three, as shown in fig. 7, unlike the embodiments above, counter-infiltration filter core 2b center is provided with the
One central tube 41b and second the central tube 42b, first central tube 41b parallel with the first central tube 41b one end are closed, and first
Central tube 41b Inner Constitution first passage 43b, the second central tube 42b Inner Constitution second channel 44b.Specifically, originally
The lateral flow type counter-infiltration element kit of embodiment includes the shell 1b and counter-infiltration filter core 2b in shell 1b, counter-infiltration filter core
Have first to cross water space 31b between 2b and shell 2b.Shell 1b one end be provided with raw water inlet 11b, pure water delivery port 12b and
Concentrated water delivery port 13b.Counter-infiltration filter core 2b both ends included water portion 231b and closure 232b respectively.Cross water portion 341b connections
Raw water water guide layer and first passage 43b, second channel 44b connection pure water water guide layers and pure water delivery port 12b.In the present embodiment
The structure such as raw water water guide layer, end cap can use for reference above-described embodiment in counter-infiltration filter core, and here is omitted.
Certainly, those skilled in the art be appreciated that above content be only preferred embodiment of the present utility model and
, not it is used for limiting practical range of the present utility model, i.e., all equivalent changes and modifications made according to the utility model, is all
The utility model claims scope is covered, and is no longer illustrated one by one here.
Claims (10)
1. a kind of lateral flow type counter-infiltration element kit, including shell and the counter-infiltration filter core in shell, the reverse osmosis filter
Have first to cross water space between core and shell, the counter-infiltration filter core includes pure water water guide layer and raw water water guide layer, described pure
Water water guide layer is sealed between two layers of membrane component, and the raw water water guide layer is intervally arranged with pure water water guide layer, the lateral flow type
There is raw water inlet, pure water delivery port and concentrated water delivery port, it is characterised in that the reverse osmosis filter on counter-infiltration element kit
The both ends of core included water portion and closure respectively, and the closing portion is in the periphery for crossing water portion, and raw water is along raw water water guide layer
Helical flow, wherein, the radial thickness of the counter-infiltration filter core is R, and the radial thickness for crossing water portion corresponding part is r,
1/4≤r/R≤1/2。
2. lateral flow type counter-infiltration element kit according to claim 1, it is characterised in that the water portion composition raw water of crossing is led
The influent side of water layer, the end of the membrane component form the water outlet side of raw water water guide layer, wherein, 1/3≤r/R≤1/2；Or
The influent side of the end composition raw water water guide layer of the membrane component, the water outlet side crossed water portion and form raw water water guide layer, wherein,
1/4≤r/R ＜ 1/3.
3. lateral flow type counter-infiltration element kit according to claim 1, it is characterised in that the thickness of the raw water water guide layer
Uniformly；Or the radial thickness of the influent side of the raw water water guide layer is more than the radial thickness of the water outlet side of raw water water guide layer.
4. the lateral flow type counter-infiltration element kit according to claim any one of 1-3, it is characterised in that the raw water water guide
The thickness sum of layer is w, and the thickness sum for crossing raw water water guide layer corresponding to water portion is respectively v, wherein, 1/8≤v/w≤3/
4。
5. lateral flow type counter-infiltration element kit according to claim 1, it is characterised in that one end of the shell is provided with peace
Head is filled, the raw water inlet, pure water delivery port and concentrated water delivery port are respectively positioned in mounting head, the center of the counter-infiltration filter core
Provided with central tube, the central tube includes the first central tube and the second central tube for being nested in the first central tube, and described first
Gap between central tube and the second central tube forms first passage, the Inner Constitution second channel of second central tube, institute
Stated water portion connection raw water water guide layer and first passage, the second channel connection pure water water guide layer and pure water delivery port；
Or one end of the shell is provided with mounting head, the raw water inlet, pure water delivery port and concentrated water delivery port are respectively positioned on
In mounting head, the center of the counter-infiltration filter core is provided with central tube, the central tube include the first central tube and with the first center
The second parallel central tube of pipe, one end closing of first central tube, the Inner Constitution first passage of first central tube,
The Inner Constitution second channel of second central tube, the connection raw water water guide layer of water portion excessively and first passage, described second
Passage connects pure water water guide layer and pure water delivery port.
6. lateral flow type counter-infiltration element kit according to claim 5, it is characterised in that the end of the counter-infiltration filter core
Provided with end cap, the end cap includes the first end cap close to mounting head one end and the second end cap away from mounting head one end, described
The portions end of first end cap seal counter-infiltration filter core, and then counter-infiltration filter core is formed close to the closure of mounting head one end, institute
Stating the first end cap has the first through hole passed through for central tube, and the hole edge of the first through hole has what is extended to mounting head direction
First sealed muscle of ring-type, first sealed muscle forms sealing with mounting head and coordinated, and then crosses water portion and the first mistake by described
Water space is kept apart, the portions end of the second end cap seal counter-infiltration filter core, and then forms counter-infiltration filter core away from installation
The closure at first end.
7. lateral flow type counter-infiltration element kit according to claim 6, it is characterised in that the second end cap inner surface
Central area has the water-carrying groove for connecting water portion and first passage, and then raw water water guide layer, excessively water portion, water-carrying groove and first are logical
Road connects；Or the center of second end cap has the second through hole, the hole edge of second through hole has to shell
Second sealed muscle of the ring-type of bottom extension, the sealed bottom of second sealed muscle and shell.
8. lateral flow type counter-infiltration element kit according to claim 6, it is characterised in that the end cap central has positioning
Circle, the centring ring are connected on end cap by dowel, and the centring ring, which is arranged, is fixed on central tube.
9. lateral flow type counter-infiltration element kit according to claim 1, it is characterised in that the raw water inlet includes the
One raw water inlet and the second raw water inlet, first raw water inlet, pure water delivery port and concentrated water delivery port are positioned at outer
One end of shell, second raw water inlet are located at the other end of shell, first raw water inlet and the water inlet of the second raw water
Mouth with its similar water portion excessively with the influent side of raw water water guide sector respectively by communicating, during the counter-infiltration filter core center is provided with
Heart pipe, the central tube connection pure water water guide layer and pure water delivery port, the concentrated water delivery port cross water space and original by first
The water outlet side of water water guide layer communicates；
Or the concentrated water delivery port includes the first concentrated water delivery port and the second concentrated water delivery port, the raw water inlet, pure water
Delivery port and the first concentrated water delivery port are located at one end of shell, and the second concentrated water delivery port is located at the other end of shell, described
First concentrated water delivery port and the second concentrated water delivery port respectively by with its similar water portion of crossing and the water outlet side with raw water water guide layer
Communicate, the counter-infiltration filter core center is provided with central tube, the central tube connection pure water water guide layer and pure water delivery port, the original
Water water inlet is crossed water space by first and communicated with the influent side of raw water water guide layer.
10. lateral flow type counter-infiltration element kit according to claim 1, it is characterised in that outside the counter-infiltration filter core
Side is provided with the supporting network for preventing counter-infiltration filter core dilatating and deformable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714149.5U CN206996293U (en) | 2017-06-19 | 2017-06-19 | Lateral flow type counter-infiltration element kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714149.5U CN206996293U (en) | 2017-06-19 | 2017-06-19 | Lateral flow type counter-infiltration element kit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206996293U true CN206996293U (en) | 2018-02-13 |
Family
ID=61447082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720714149.5U Active CN206996293U (en) | 2017-06-19 | 2017-06-19 | Lateral flow type counter-infiltration element kit |
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| Country | Link |
|---|---|
| CN (1) | CN206996293U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108355494A (en) * | 2018-04-08 | 2018-08-03 | 苏州滨特尔水处理有限公司 | The filter core encapsulating structure of built-in elastic element |
| CN111252856A (en) * | 2018-12-03 | 2020-06-09 | 佛山市顺德区美的饮水机制造有限公司 | Water purification filter core and water purification unit |
| CN111450704A (en) * | 2019-09-17 | 2020-07-28 | 广东韦博科技有限公司 | Filter assembly and filter element structure applying same |
-
2017
- 2017-06-19 CN CN201720714149.5U patent/CN206996293U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108355494A (en) * | 2018-04-08 | 2018-08-03 | 苏州滨特尔水处理有限公司 | The filter core encapsulating structure of built-in elastic element |
| CN111252856A (en) * | 2018-12-03 | 2020-06-09 | 佛山市顺德区美的饮水机制造有限公司 | Water purification filter core and water purification unit |
| CN111450704A (en) * | 2019-09-17 | 2020-07-28 | 广东韦博科技有限公司 | Filter assembly and filter element structure applying same |
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Effective date of registration: 20230630 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |