CN108246103A - A kind of lateral flow type reverse osmosis filter - Google Patents
A kind of lateral flow type reverse osmosis filter Download PDFInfo
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- CN108246103A CN108246103A CN201611242200.3A CN201611242200A CN108246103A CN 108246103 A CN108246103 A CN 108246103A CN 201611242200 A CN201611242200 A CN 201611242200A CN 108246103 A CN108246103 A CN 108246103A
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- water
- reverse osmosis
- osmosis filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
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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)
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- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of lateral flow type reverse osmosis filters, solve in the prior art a series of problems, such as membrane component cannot be fully utilized, and membrane component is unbalanced using region, and raw water imports inefficiency, and the rate of filtration is slow and filter effect is undesirable.Solve the problems, such as that this technical solution mainly includes the centrally disposed water purification channel of filter and concentrated water channel, water purification channel and concentrated water channel connect respectively with water purification water outlet and concentrated water water outlet, membrane component is wound in water purification channel and concentrated water channel profile into reverse osmosis filter core, the water flow passage processed that helical form extends to center is formed between adjacent two layers membrane component, the end that membrane component is located on the side wall of reverse osmosis filter core forms the original water inlet connected with water flow passage processed, raw water accommodating chamber is formed between the outside of reverse osmosis filter core and the inside of shell, original water inlet is connected by raw water accommodating chamber with raw water inlet.Present invention is mainly used for reverse osmosis purified waters.
Description
Technical field
The present invention relates to a kind of lateral flow type reverse osmosis filters, belong to water-treatment technology field.
Background technology
Water is the important component of human body, and the water in human body accounts for about the 50% of an adult human body weight, and normal person is per balance
Equal water consumption is 2000-2500 milliliters, substance in vivo oxygen matterization can 300 milliliters of unboiled water, therefore should keep the skin wet daily about
2000 milliliters, wherein most is obtained by drinking water.But as water pollution is constantly aggravated, drinking-water healthy water is increasingly difficult to,
The other organs of human body can also come to harm when being contaminated for a long time.Daily drinking tap water have passed through a variety of cleanings, sterilization
Disinfection means can reach state health standards through Drinking water quality detection, using the water tank of very long pipeline and secondary pressurized,
Flow into huge numbers of families.Before flowing into resident family, very long pipeline have passed through complicated landform and road, some pipelines are long neglected and in disrepair, some
Water pipe intersects with sewage pipe, some water pipes in building even will first pass through lavatory, can reach kitchen.Because water pipe surrounding
Leakage and secondary pressurized water tank seldom clear up disinfection, and iron rust in water tank in impossible spotless and water pipe etc. is many
Reason can cause the secondary pollution to water quality, and the pathogenic microorganisms such as iron rust, lead, phenol, pesticide have different degrees of appearance, pollution
Situation is startling.
With the raising that people require drinking water quality, water cleaning systems are just progressing into the drinking-water system of every household
In.Water purifier currently on the market generally can all use reverse osmosis filter, and reverse osmosis filter can be to organic in raw water
The impurity such as object, colloid, bacterium, virus are filtered, and especially have high filtering effect to impurity such as inorganic salts, heavy metal ion
Rate.Thus reverse osmosis filter constitutes the core component of water purifier, the filter effect of water purifier and the mistake of reverse osmosis filter
It is directly related to filter effect.The structure of reverse osmosis filter can be diversified, but can all make in reverse osmosis filter
Use membrane component and central tube.In most of existing product, all only with a central tube, membrane component is wrapped on central tube
Form reverse osmosis filter core, during filtering, raw water receives the water purification after filtering from reverse osmosis cartridge surface, side or bilateral water inlet
Collect in central tube.The reverse osmosis filter of this structure is low there are inflow, and water flow passage processed is short, interior pressure transient, desalination
Rate is low, and membrane component cannot be fully utilized, and membrane component is unbalanced using region, and the rate of filtration is slow and the undesirable grade one of filter effect
Series of problems.And for these problems, also someone, which makes reverse osmosis filter, optimizes and proposes lateral flow type osmosis filtration
Device is improved by the runner membrane component utilization rate inside construction, more balanced using region.Side of the prior art
Streaming reverse osmosis filter is all using the twin-channel structure in center, which is respectively used to import raw water and collects water purification,
And then for exporting concentrated water on the outside of reverse osmosis filter core, but the design of this water route has also brought along raw water and has imported inefficiency, it is interior
Portion's water resistance is big and the problems such as pressure drop is apparent.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of lateral flow type reverse osmosis filter, it is described including shell and membrane component
Shell is equipped with raw water inlet, water purification water outlet and concentrated water water outlet, which is characterized in that the center of the filter is equipped with net
Aquaporin and concentrated water channel, the water purification channel and concentrated water channel connect respectively with water purification water outlet and concentrated water water outlet, described
Membrane component is wound in water purification channel and concentrated water channel profile into reverse osmosis filter core, formed between adjacent two layers membrane component helical form to
The water flow passage processed of center extension, the end that the membrane component is located on the side wall of reverse osmosis filter core is formd to be connected with water flow passage processed
Original water inlet, raw water accommodating chamber is formed between the outside of the reverse osmosis filter core and the inside of shell, the original water inlet leads to
Raw water accommodating chamber is crossed to connect with raw water inlet.
Further, the total length of the original water inlet longitudinal direction at least accounts for the 70% of reverse osmosis filter core height.
Further, the support construction of support membrane element end is equipped in the reverse osmosis filter.
Further, the support construction includes supporting rod, and the supporting rod is located at the end of membrane component.
Further, the reverse osmosis filter core both ends are respectively equipped with upper end cover and bottom end cover, the supporting rod both ends difference
It is connect with upper end cover and bottom end cover.
Further, the outer of the upper end cover and bottom end cover is respectively equipped with card slot, and the both ends of the supporting rod are blocked respectively
Enter in card slot；Alternatively, the upper end cover and bottom end cover are fixed by screw and supporting rod；Alternatively, the upper end cover and bottom end cover
One end of one and supporting rod is integrally formed, and another other end with supporting rod is fixed；Alternatively, the upper end cover and bottom end cover point
It is not integrally formed with the both ends of supporting rod.
Further, the upper end cover and bottom end cover at least cover trilamellar membrane element, the upper end cover and bottom end cover covering
Water flow passage processed is formd between the adjacent two layers membrane component at place；Lead to alternatively, the upper end cover is equipped with water purification channel and concentrated water
The exhalant canal of road connection, the end of the exhalant canal forms respectively water purification water outlet and concentrated water water outlet；It is alternatively, described
Upper end cover is equipped with the through-hole passed through for water purification channel and concentrated water channel.
Further, the support construction further includes the support tube on the outside of reverse osmosis filter core；Alternatively, the support knot
Structure further includes multiple support rings on the outside of reverse osmosis filter core；Alternatively, the gap of the supporting rod and reverse osmosis filter core side wall
It is tapered into along water inlet direction.
Further, the center of the filter is equipped with the first central tube spaced apart from each other and the second central tube, and described the
The inside of one central tube and the second central tube forms respectively water purification channel and concentrated water channel.
Further, the center of the filter is equipped with third central tube and the 4th center being nested in third central tube
Pipe, the inside of the 4th central tube form concentrated water channel, are formd between the third central tube and the 4th central tube net
Aquaporin；Alternatively, the center of the filter is equipped with third central tube and the 4th central tube being nested in third central tube, institute
The inside for stating the 4th central tube forms water purification channel, and foring concentrated water between the third central tube and the 4th central tube leads to
Road.
In the present invention, since 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 flow is smaller.Middle original water inlet is located at the scheme at reverse osmosis filter core center compared with the prior art, same
In the case of original hydraulic pressure, the solution of the present invention can be such that greater area of membrane component is efficiently utilized.And due to production
Water is efficient, then has been obviously improved section flow velocity of the raw water on membrane component surface, reduces the risk of surface scale.On the other hand,
Raw water accommodating chamber stores the raw water of certain volume, can play certain buffering to the high pressure water flow come at raw water inlet,
So that the hydraulic pressure at original water inlet is uniform and stable.Importantly, under non-water condition processed, prior art original water inlet is located at reverse osmosis
In the scheme at filter core center, when just completing water processed, raw water is filled only in the central tube positioned at reverse osmosis filter core center, and
It being full of between reverse osmosis filter core and shell by concentrated water so that membrane component is soaked within a certain period of time in the concentrated water of high TDS, even if one
After fixing time, due to diffusion effect, the TDS of concentrated water and raw water reaches unanimity, and due to raw water small volume under the program, and it is dense
Water volume is larger, and the TDS of the water after neutralization is still higher, then can then be improved for membrane component and be attached to its surface
Salt deposit thickness, washing time and time need to be increased, in some instances it may even be possible to which the service life of subsequent purification efficiency and film can all be produced
Raw adverse effect, and in comparison, then on the contrary, when just completing water processed, reverse osmosis filter core is then soaked in low the solution of the present invention
In the raw water of TDS, in addition, only positioned at a small amount of concentrated water of aquaporin rear end processed, most of concentrated water is had been enter into concentrated water channel,
After a certain period of time, even if under diffusion effect, the TDS of the water after neutralization is still relatively low, advantageously reduces reverse osmosis filter core
Washing time and the time, improve the service life of purification efficiency and film.
Description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the Longitudinal cross section schematic of lateral flow type reverse osmosis filter of the present invention；
Fig. 2 is the expanded schematic diagram of reverse osmosis filter core in the present invention；
Fig. 3 is the schematic diagram of reverse osmosis filter core in the present invention；
Fig. 4 is the cross-sectional view of reverse osmosis filter core in the present invention；
Fig. 5 is the schematic diagram of support construction embodiment two in the present invention；
Fig. 6 is the schematic diagram of support construction embodiment three in the present invention；
Fig. 7 is the Longitudinal cross section schematic of lateral flow type reverse osmosis filter another kind embodiment of the present invention.
Specific embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied 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.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented using other different from other modes described here, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
As Figure 1-Figure 4, a kind of lateral flow type reverse osmosis filter, including shell 1 and membrane component 21, membrane component 21 is two
Piece reverse osmosis membrane opposite direction bonds the bag shaped structure for the closing to be formed or by bonding the closing formed after monolithic reverse osmosis membrane doubling
Bag shaped structure, wherein, the desalination layer of reverse osmosis membrane is normally at the outer surface of bag-shaped membrane component 21, and raw water passes through reverse osmosis membrane
It is flowed into bag-shaped membrane component 21, and along internal water purification runner 211, it, can be in bag-shaped membrane element in order to improve flow efficiency
Setting separation net in part 21, to widen the gap width of water purification runner 211.Shell 1 is equipped with raw water inlet 11, water purification is discharged
Mouth 12 and concentrated water water outlet 13, the center of filter are equipped with water purification channel 31 and concentrated water channel 32, and water purification channel 31 and concentrated water are led to
Road 32 connects respectively with water purification water outlet 12 and concentrated water water outlet 13, and membrane component 21 is wound in water purification channel 31 and concentrated water channel 32
It is outer to form reverse osmosis filter core 2, the water flow passage processed 4 that helical form extends to center, membrane component are formed between adjacent two layers membrane component 21
21 ends being located on the side wall of reverse osmosis filter core 2 form the original water inlet 41 connected with water flow passage 4 processed, reverse osmosis filter core 2
Outside and shell 1 inside between form raw water accommodating chamber 5, original water inlet 41 is intake by raw water accommodating chamber 5 with raw water
Mouth 11 connects.Wherein, original water inlet 41 in strip and is longitudinally extended, and certainly, original water inlet can also be the structure of other abnormity,
Such as the side wall spiral extension along reverse osmosis filter core, wavy extension etc., in addition, original water inlet can also be segmentation,
That is the end of membrane component has part and the membrane component of adjacent inboard to be adhesively fixed, and causes original water inlet that part is adhesively fixed for this
It is divided into multistage.
Lateral flow type reverse osmosis filter in the present invention, including shell and membrane component, shell is equipped with raw water inlet, net
Water water outlet and concentrated water water outlet, under water condition processed, raw water enters phase from the original water inlet on reverse osmosis filter core side wall
In water flow passage processed between adjacent two layers of membrane component, raw water water purification formd by the part of membrane component and along membrane component inside
Water purification runner collects to the water purification channel positioned at water purification runner rear end, meanwhile, form concentrated water and by position in water flow passage rear end processed
Concentrated water channel in water flow passage rear end processed is collected.In the case where combining above structure, raw water enters anti-from raw water inlet 11
It after percolating filter, comes together in raw water accommodating chamber 5, and enters in water flow passage 4 processed from original water inlet 41, on the one hand, raw water is led to
The part for crossing membrane component 21 forms water purification and along the water purification runner 211 inside membrane component 21 to after water purification runner 211
The water purification channel 31 at end collects, and on the other hand, the raw water in water flow passage 4 processed forms concentrated water and by position in 4 rear end of water flow passage processed
Concentrated water channel 32 in 4 rear end of water flow passage processed is collected.Since the curvature closer to outside is smaller, and water is in the smaller gap of curvature
The resistance of interior flowing is smaller, then, the pressure drop of flow is smaller.Middle original water inlet is located in reverse osmosis filter core compared with the prior art
The scheme of the heart, in the case of equal original hydraulic pressure, the solution of the present invention can be such that greater area of membrane component 21 obtains efficiently
It utilizes.Since production water is efficient, then section flow velocity of the raw water on 21 surface of membrane component is obviously improved, has reduced the wind of surface scale
Danger.In order to ensure the efficient importing of raw water, preferably, the total length of 41 longitudinal direction of original water inlet at least accounts for reverse osmosis 2 height of filter core
70%, longitudinal direction herein refers to be parallel to the axial direction of reverse osmosis filter core 2, should if original water inlet is single import
Parameter refers to the length under the direction, if original water inlet is multistage, the parameter refer to each section under the direction length it
With.When the total length of original water inlet longitudinal direction is less than 70% with the ratio of reverse osmosis filter core height, raw water needs when entering original water inlet
The process that raw water is wanted to be flowed to the part to misplace with original water inlet, equivalent to increase water resistance for raw water, affects film
Element efficiently uses area, meanwhile, the latter end of the membrane component and part utilization ratio of original water inlet dislocation is too late and raw water
The part of import contraposition so that the uniformity that membrane component utilizes reduces.
It, can be to the high pressure water come at raw water inlet 11 in addition, raw water accommodating chamber 5 stores the raw water of certain volume
Stream plays certain buffering so that the hydraulic pressure at original water inlet 41 is uniform and stable.Importantly, under non-water condition processed, existing skill
Art original water inlet is located in the scheme at reverse osmosis filter core center, and when just completing water processed, raw water is filled only in positioned at reverse osmosis filter
It in the central tube at core center, and is full of between reverse osmosis filter core and shell by concentrated water so that membrane component is soaked within a certain period of time
In the concentrated water of high TDS, even if after a certain period of time, due to diffusion effect, the TDS of concentrated water and raw water reaches unanimity, and due to the party
Raw water small volume under case, and concentrated water volume is larger, the TDS of the water after neutralization is still higher, then membrane component is come
It says, the thickness for the salt deposit for being attached to its surface can be improved, washing time and time need to be increased, in some instances it may even be possible to subsequent purification
The service life of efficiency and film can all have an adverse effect, and in comparison, the solution of the present invention firm then on the contrary, complete water processed
When, reverse osmosis filter core 2 is then soaked in the raw water of low TDS, in addition, only positioned at a small amount of concentrated water of aquaporin-4 rear end processed, big portion
Point concentrated water is had been enter into concentrated water channel 32, and after a certain time, even if under diffusion effect, the TDS of the water after neutralization is still
Relatively low, washing time and the time of reverse osmosis filter core 2 are advantageously reduced, improves purification efficiency and the service life of film.
It is noted that the raw water inlet 11 in the present embodiment is single water inlet, raw water is imported in order to improve
Efficiency and uniformity can also set multiple water inlets on the shell, for example, shell upper and lower ends set respectively raw water into
The mouth of a river.
Since the outer layer of reverse osmosis filter core is located at the larger front end of raw water hydraulic pressure, for the latter end of membrane component formed it is larger to
The active force of outer expansion, if support construction not used to be positioned, under long-time service, reverse osmosis filter core has widened risk,
The waterway structure or even in some extreme environments in filter is influenced, the latter end of membrane component can be damaged and caused net
Water flow passage is connected with raw water accommodating chamber.In order to avoid the above problem, 21 end of support membrane component is equipped in reverse osmosis filter
Support construction, specifically, support construction includes supporting rod 6, supporting rod 6 is located at the end of membrane component 21.Wherein, supporting rod 6 with
The end of membrane component 21 is integrally formed, alternatively, being provided with the clamping part of clamping membrane component end on supporting rod.Supporting rod 6
While positioning supporting role is played to the end of membrane component 21, aquaporin-4 processed is also entered to raw water and plays guiding function, separately
Outside, convenient for controlling the size of original water inlet 41, the water resistance at this is reduced, promotes the importing efficiency of raw water, and is also used as
Positioning datum when reverse osmosis filter core 2 is installed.Preferably, the gap of supporting rod 6 and reverse osmosis 2 side wall of filter core is along water inlet direction
It tapers into, better guiding function is played to raw water.In the present embodiment, original water inlet 41 is longitudinally extended, correspondingly, branch
Strut 6 is then strip, if original water inlet uses above-mentioned other polymorphic structures, supporting rod 6 is also needed using in contrast
The shape answered.Above-mentioned supporting rod covers whole original water inlet, certainly, supporting rod can also only covering part original water inlet, separately
Outside, supporting rod can also be multisection type, can there are gaps for example, using two sections, and each self-retaining, between two sections
It can be against each other.
In the present embodiment, the both ends of supporting rod 6 respectively with the upper end cover 71 and bottom end cover 72 positioned at reverse osmosis 2 both ends of filter core
Connection.Specific connection mode is as follows between supporting rod and upper and lower end cap：The outer of upper end cover 71 and bottom end cover 72 is respectively equipped with
Card slot, the both ends of supporting rod 6 are respectively clamped into card slot, wherein, the outer of upper end cover 71 and bottom end cover 72 has to reverse osmosis filter
The flange of 2 direction of core extension, card slot are located at the inner or outer side of the flange；Alternatively, end cap is not provided with above-mentioned flange up and down, outside
Along the end face towards reverse osmosis filter core side and its central area in the same plane, for connecting and fixing the card slot of supporting rod then
It is set on the outer of upper and lower end cap；Alternatively, upper end cover and bottom end cover can also be fixed by screw and supporting rod；Alternatively, upper end
Lid and one end of bottom end cover one and supporting rod are integrally formed, and another other end with supporting rod is fixed；Alternatively, upper end cover is under
End cap is integrally formed respectively with the both ends of supporting rod.Other than the mounting means of above-mentioned supporting rod, supporting rod can also be by outer
Shell is fixed, for example, the bottom of shell and/or inside top are equipped with the mounting hole being inserted into for support boom end or shell
Inside sidewalls are equipped with the slot being inserted into for supporting rod along reverse osmosis filter core axial direction is parallel to.In addition, supporting rod can be with
It is fixed by being located at the central tube at filter center, for example, central tube upper and lower ends are respectively equipped with what is extended radially outwardly
Fixed part, which connects and fixes with supporting rod or screw is fixed.It is noted that in the premise with upper and lower end cap
Under, support construction can also be the tensioning mechanism covered positioned at upper and lower side, the tensioning mechanism and the upper and lower ends of membrane component end
It is fixed, can be fixedly clamped or be integrally formed, after upper and lower end cap is installed in place, tensioning mechanism is i.e. to membrane component
End forms support positioning action, and the latter end of membrane component is avoided to expand outwardly.
Upper end cover 71 and bottom end cover 72 at least cover trilamellar membrane element 21, adjacent at 72 covering of upper end cover 71 and bottom end cover
Water flow passage 4 processed is formd between two layers of membrane component 21.Since the import of water flow passage 4 processed is original water inlet 41, export as its rear end
With 32 connectivity part of concentrated water channel, the upper and lower ends of water flow passage 4 processed, which need to be closed, can just drive raw water to be flowed in water flow passage 4 processed, this
In embodiment, the closing to 4 upper and lower ends of water flow passage processed is realized by upper end cover 71 and the covering of bottom end cover 72, and upper end cover 71
It at least needs to cover trilamellar membrane element 21 with bottom end cover 72, makes water flow passage 4 processed that there is enough length, ensure higher water purification effect
Rate.And in not sealing or even being not provided with the scheme of upper and lower side lid by upper and lower side lid, wound membrane shape can also be completed in membrane component
Into after reverse osmosis filter core, closed in the upper and lower ends gluing of reverse osmosis filter core.It is discharged in addition, upper end cover 71 is equipped with to filter
The wall extension 711 of mouthful extension, forms between the channel side wall that wall extension 711 and water purification channel or concentrated water channel upwardly extend
Water purification water outlet or concentrated water water outlet.As further embodiments, can also be set on upper end cover and water purification channel and dense
The exhalant canal of aquaporin connection, the end of exhalant canal forms respectively water purification water outlet and concentrated water water outlet；Alternatively, upper end
It covers equipped with the through-hole passed through for water purification channel and concentrated water channel.
In the present embodiment, the center of filter is equipped with 33 and second central tube 34 of the first central tube spaced apart from each other, and first
The inside of 33 and second central tube 34 of central tube forms respectively water purification channel 31 and concentrated water channel 32.First central tube 33 and
Through-hole is respectively equipped on the side wall of two central tubes 34, is connected respectively with water purification runner 211 and water flow passage processed 4.It is noted that
During specific wound membrane, before reverse osmosis membrane forms bag-shaped membrane component 21, first the first central tube 33 is wrapped up in it, then
Two central tubes 34 are placed in one side, then membrane component 21 is wound above-mentioned first central tube, 33 and second central tube 34, and then shape afterwards
Pillared reverse osmosis filter core 2.Preferably, the section outer profile of the first central tube 33 and the second central tube 34 is respectively semicircle,
Full circle, which is formed, after the two splicing is convenient for wound membrane.
As the further embodiments of support construction, as shown in figure 5, support construction includes supporting rod 6a and support tube 61a,
Support tube 61a is coated on the outside of reverse osmosis filter core, and supporting rod 6a and support tube 61a is integrally formed or plugged and fixed exists
On support tube 61a, support tube 61a is equipped with the straight slot entered for raw water at the position of supporting rod 6a.In order to preferably guide original
Water flowing, supporting rod 6a are tilted relative to the cambered surface where support tube 61a.The support construction of present embodiment, to membrane component
Outer layer plays cladding support well, has contained the trend that reverse osmosis Filter overall extends out.As shown in fig. 6, support construction is also
Can be supporting rod 6b and multiple support ring 62b, support ring 62b is located on the outside of reverse osmosis filter core, supporting rod 6b and support ring 62b
It is integrally formed or plugged and fixed is on support ring 62b.Likewise, this support construction can contain reverse osmosis filter core
The trend integrally extended out.Furthermore it is also possible to connecting rod is set to improve intensity between adjacent supports ring 62b.Certainly, support knot
Structure can also only set support tube or support ring, and be not provided with supporting rod, simplify structure, reduce cost.
Centered on the additional embodiment of water purification channel and concentrated water channel, as shown in fig. 7, the center of filter is equipped with the
The inside of three central tube 35c and the 4th central tube 36c being nested in third central tube 35c, the 4th central tube 36c form dense
Aquaporin 32c forms water purification channel 31c between third central tube 35c and the 4th central tube 36c.Wherein, third central tube
The side wall of 35c be equipped with for water purification by through-hole, and the upper and lower ends of reverse osmosis filter core 2c have portion by paracentral region
It is non-close to divide, which flows out for the concentrated water of membrane component rear end out of water flow passage processed, and by the 4th central tube 36c
Concentrated water channel 32c is collected.It is appreciated that the position of water purification channel and concentrated water channel can also be exchanged, specifically, in filter
The heart is equipped with third central tube and the 4th central tube being nested in third central tube, and the inside of the 4th central tube forms water purification and leads to
Road forms concentrated water channel between third central tube and the 4th central tube.The other structures of the present embodiment can use for reference above-mentioned reality
Example is applied, details are not described herein again.
Certainly, those skilled in the art are appreciated that more than content is only presently preferred embodiments of the present invention, and
The non-practical range for being used for limiting the present invention, i.e., all equivalent changes and modifications made according to the present invention are all that right of the present invention will
Range is asked to be covered, is no longer illustrated one by one here.
Claims (10)
1. a kind of lateral flow type reverse osmosis filter, including shell and membrane component, the shell is equipped with raw water inlet, water purification goes out
The mouth of a river and concentrated water water outlet, which is characterized in that the center of the filter is equipped with water purification channel and concentrated water channel, and the water purification is led to
Road and concentrated water channel connect respectively with water purification water outlet and concentrated water water outlet, and the membrane component is wound in water purification channel and concentrated water is led to
Reverse osmosis filter core is formed outside road, the water flow passage processed that helical form extends to center, the membrane element are formed between adjacent two layers membrane component
The end that part is located on the side wall of reverse osmosis filter core forms the original water inlet connected with water flow passage processed, the reverse osmosis filter core
Raw water accommodating chamber is formed between outside and the inside of shell, the original water inlet is connected by raw water accommodating chamber and raw water inlet
It is logical.
2. lateral flow type reverse osmosis filter according to claim 1, which is characterized in that the overall length of the original water inlet longitudinal direction
Degree at least accounts for the 70% of reverse osmosis filter core height.
3. lateral flow type reverse osmosis filter according to claim 1, which is characterized in that be equipped in the reverse osmosis filter
The support construction of support membrane element end.
4. lateral flow type reverse osmosis filter according to claim 3, which is characterized in that the support construction includes support
Bar, the supporting rod are located at the end of membrane component.
5. lateral flow type reverse osmosis filter according to claim 4, which is characterized in that the reverse osmosis filter core both ends difference
Equipped with upper end cover and bottom end cover, the supporting rod both ends are connect respectively with upper end cover and bottom end cover.
6. lateral flow type reverse osmosis filter according to claim 5, which is characterized in that the upper end cover and bottom end cover it is outer
Along card slot is respectively equipped with, the both ends of the supporting rod are respectively clamped into card slot；Alternatively, the upper end cover and bottom end cover pass through screw
It is fixed with supporting rod；Alternatively, the upper end cover and one end of bottom end cover one and supporting rod are integrally formed, it is another and supporting rod
The other end is fixed；Alternatively, the upper end cover and bottom end cover are integrally formed respectively with the both ends of supporting rod.
7. lateral flow type reverse osmosis filter according to claim 5, which is characterized in that the upper end cover and bottom end cover are at least
Trilamellar membrane element is covered, water flow passage processed is formd between the adjacent two layers membrane component at the upper end cover and bottom end cover covering；Or
Person, the upper end cover are equipped with the exhalant canal connected with water purification channel and concentrated water channel, the end difference of the exhalant canal
Form water purification water outlet and concentrated water water outlet；Alternatively, the upper end cover is equipped with what is passed through for water purification channel and concentrated water channel
Through-hole.
8. lateral flow type reverse osmosis filter according to claim 4, which is characterized in that the support construction, which further includes, to be located at
Support tube on the outside of reverse osmosis filter core；Alternatively, the support construction further includes multiple support rings on the outside of reverse osmosis filter core；
Alternatively, the gap of the supporting rod and reverse osmosis filter core side wall is tapered into along water inlet direction.
9. lateral flow type reverse osmosis filter according to claim 1, which is characterized in that the center of the filter is equipped with phase
The inside of the first central tube and the second central tube mutually separated, first central tube and the second central tube forms respectively water purification
Channel and concentrated water channel.
10. lateral flow type reverse osmosis filter according to claim 1, which is characterized in that the center of the filter is equipped with
Third central tube and the 4th central tube being nested in third central tube, the inside of the 4th central tube forms concentrated water and leads to
Road forms water purification channel between the third central tube and the 4th central tube；Alternatively, the center of the filter is equipped with third
Central tube and the 4th central tube being nested in third central tube, the inside of the 4th central tube form water purification channel, institute
It states and forms concentrated water channel between third central tube and the 4th central tube.
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| CN110523287A (en) * | 2019-09-20 | 2019-12-03 | 珠海格力电器股份有限公司 | Reverse osmosis membrane element and water purification system |
| CN111186921A (en) * | 2019-06-25 | 2020-05-22 | 九阳股份有限公司 | Self-flushing type multi-stage filtering filter element assembly |
| CN112125428A (en) * | 2020-10-19 | 2020-12-25 | 珠海格力电器股份有限公司 | Composite filter element and water purifier |
| CN113491950A (en) * | 2020-03-21 | 2021-10-12 | 佛山市顺德区美的饮水机制造有限公司 | Reverse osmosis membrane element, filter element and water purifier |
| CN114011246A (en) * | 2021-10-29 | 2022-02-08 | 浙江沁园水处理科技有限公司 | Side flow membrane filter element assembly |
| CN114307657A (en) * | 2021-10-29 | 2022-04-12 | 浙江沁园水处理科技有限公司 | Roll up membrane structure and filter element subassembly with antipollution ability |
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