CN109879459A - A kind of and post active carbon compound split type reverse osmosis filter core and its water purifier - Google Patents
A kind of and post active carbon compound split type reverse osmosis filter core and its water purifier Download PDFInfo
- Publication number
- CN109879459A CN109879459A CN201910190692.3A CN201910190692A CN109879459A CN 109879459 A CN109879459 A CN 109879459A CN 201910190692 A CN201910190692 A CN 201910190692A CN 109879459 A CN109879459 A CN 109879459A
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- Prior art keywords
- reverse osmosis
- water
- active carbon
- post active
- filter core
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 280
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 232
- 150000001722 carbon compounds Chemical class 0.000 title description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 67
- 239000012528 membrane Substances 0.000 claims abstract description 56
- 150000001875 compounds Chemical class 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000000746 purification Methods 0.000 claims description 14
- 238000005538 encapsulation Methods 0.000 claims description 7
- 239000003610 charcoal Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 239000002352 surface water Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000011026 diafiltration Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
A kind of and compound split type reverse osmosis filter core of post active carbon, is provided with the first reverse osmosis units and second reverse osmosis units compound with post active carbon, the first reverse osmosis units and the second reverse osmosis units piping connection；When the split type reverse osmosis filter core compound with post active carbon in normal work, water flow is introduced into the first reverse osmosis units and enters back into the second reverse osmosis units.Lesser second reverse osmosis units of water yield are compound in post active carbon filter house by the present invention, and the second reverse osmosis units are located at the downstream of the first reverse osmosis units, and the second reverse osmosis units are preferable over the first reverse osmosis units and go out blocking and fouling.User only need to when needing to change post active carbon filter house, replace the second reverse osmosis units can, without replacing entire reverse osmosis filter core, to achieve the purpose that save replacement cost.Reverse osmosis membrane assembling is placed on the inside of post active carbon filter house by the present invention, not will increase the filter core quantity of water purifier.
Description
Technical field
The present invention relates to reverse osmosis filter core field, the in particular to a kind of and compound split type reverse osmosis diafiltrations of post active carbon
Core and a kind of water purifier.
Background technique
Reverse osmosis filter core is the core element of water purifier, and reverse osmosis filter core will fail using a period of time, once filter
Core failure, it is necessary to replacement in time.For the reverse osmosis filter core of water purifier when replacing, the reverse osmosis filter core of failure is by entirety at present
It abandons.But the higher cost of reverse osmosis filter core, such as the reverse osmosis filter core of usual big flow 400G need 500 yuan or more, cause
The higher operating costs of water purifier.
Therefore, in view of the shortcomings of the prior art, provide it is a kind of can reduce filter core use cost reduction and post active carbon
Compound split type reverse osmosis filter core and a kind of water purifier are very necessary to solve prior art deficiency.
Summary of the invention
The one of purpose of the present invention is to avoid the deficiencies in the prior art place and provide a kind of multiple with post active carbon
The split type reverse osmosis filter core closed.The split type reverse osmosis filter core compound with post active carbon can reduce reverse osmosis filter core more
Change this into.
Above-mentioned purpose of the invention is realized by following technical measures:
There is provided it is a kind of with the compound split type reverse osmosis filter core of post active carbon, be provided with the first reverse osmosis units and with it is rear
The second compound reverse osmosis units of active carbon are set, the first reverse osmosis units and the second reverse osmosis units are with piping connection.
When the split type reverse osmosis filter core compound with post active carbon in normal work, it is reverse osmosis that water flow is introduced into first
Unit enters back into the second reverse osmosis units.
The water yield of first reverse osmosis units is defined as B1, the water yield of the second reverse osmosis units is defined as B2, exist
0.75B1≥B2。
Further 0.5B1≥B2。
Preferably, above-mentioned second reverse osmosis units are provided with post active carbon filter house, reverse osmosis membrane group and central tube
Portion, reverse osmosis membrane group are wound in the outer surface of central tube portion and whole encapsulation in the inside of post active carbon filter house.
Water (flow) direction, which is that the first reverse osmosis units of water source are reverse osmosis, obtains pure water A and concentrated water A, pure water A and concentrated water A difference
Into the second reverse osmosis units, concentrated water A obtains pure water B and concentrated water B through the second reverse osmosis units are reverse osmosis, and pure water B and pure water A converge
It closes and enters post active carbon filter house, concentrated water B discharge.
Preferably, above-mentioned reverse osmosis membrane group is provided with multi-disc reverse osmosis membrane, and multi-disc reverse osmosis membrane wraps around center
Simultaneously for encapsulation in the inside of post active carbon filter house, the reverse osmosis membrane, which is provided with, produces the water surface and water entering surface for the outer surface of pipe portion.
Preferably, above-mentioned reverse osmosis membrane be folded in half into the double-deck rectangle structure reverse osmosis membrane and water entering surface it is opposite, doubling
Side is rectangular short side, conduplication side is defined as it is first wide, the short side opposite with conduplication side is defined as it is second wide, with doubling
Two adjacent long sides of side are defined as first long and the second length, and the second long water inlet far from the second reverse osmosis units.
It is tightly connected per a piece of production water surface for producing the water surface and adjacent reverse osmosis membrane along the first length and the second length, and first is wide
It is pure water channel with the second wide channel formed.
, first long and second long sealed connection wide along second per the water entering surface of a piece of water entering surface and same reverse osmosis membrane,
And there are the openings passed in and out for concentrated water in the first long and separate first width.
The length of opening is defined as A1, the first wide length is defined as A2, 0.5A2≥A1。
Preferably, above-mentioned central tube portion is provided with for the concentrated water central tube of concentrated water and the pure water center for conveying pure water
Pipe.
Preferably, the first width of the above-mentioned production water surface offsets with pure water central tube.
Preferably, above-mentioned concentrated water central tube it is seamless be connected to water entering surface and with the first wide parallel and concentrated water central tube and production
The water surface does not contact.
Preferably, above-mentioned concentrated water central tube and reverse osmosis membrane correspond.
Preferably, above-mentioned first reverse osmosis units are provided with water inlet, concentrated water outlet and water purification outlet.
The concentrated water central tube and concentrated water outlet, pure water central tube are connected to water purification outlet, are open as concentrated water outlet；
Or
The opening is connected to water inlet, and pure water central tube is connected to water purification outlet, and concentrated water central tube is that concentrated water water outlet is logical
Road.
It is tightly connected per a piece of production water surface for producing the water surface and adjacent reverse osmosis membrane along the first length and the second length, and first is wide
It is pure water channel with the second wide channel formed.
It is tightly connected with the water entering surface of same reverse osmosis membrane along the second width per a piece of water entering surface, and first long and the second length
The channel of formation is concentrated water channel.
Preferably, the first width of the above-mentioned production water surface offsets with central tube portion.
Preferably, above-mentioned first reverse osmosis units and external device (ED) integrally connected.
Preferably, said external device is preposition PP cotton or preposition activated charcoal.
Water (flow) direction is that water source is filtered through external device (ED), and filtered water source enters the first reverse osmosis units through the first reverse osmosis
Saturating unit is reverse osmosis to obtain pure water A and concentrated water A, and pure water A and concentrated water A respectively enter the second reverse osmosis units, and concentrated water B is anti-through second
Permeation unit is reverse osmosis to obtain pure water B and concentrated water B, and pure water B and pure water A converge into post active carbon filter house, concentrated water B row
Out.
A kind of compound split type reverse osmosis filter core of and post active carbon of the invention, be provided with the first reverse osmosis units and
Second reverse osmosis units compound with post active carbon, the first reverse osmosis units and the second reverse osmosis units are with piping connection；When
In normal work, water flow is introduced into the first reverse osmosis units and enters back into compound split type reverse osmosis filter core with post active carbon
Second reverse osmosis units.Lesser second reverse osmosis units of water yield are compound in post active carbon filter house by the present invention, and second
Reverse osmosis units are located at the downstream of the first reverse osmosis units, the second reverse osmosis units go out to block prior to the first reverse osmosis units and
Fouling.User only need to when needing to change post active carbon filter house, replace the second reverse osmosis units can, without replace
Entire reverse osmosis filter core, to achieve the purpose that save replacement cost.Reverse osmosis membrane assembling is placed on postposition activity by the present invention
The inside of charcoal filter house not will increase the filter core quantity of water purifier.Second reverse osmosis units and post active carbon filter house share
One filter-core shell, also reduces production cost.
Another goal of the invention of the invention is to avoid the deficiencies in the prior art place and provide a kind of water purifier.The water purification
Device can reduce the replacement cost of reverse osmosis filter core.
Above-mentioned purpose of the invention is realized by following technical measures:
The water purifier for having the above-mentioned split type reverse osmosis filter core compound with post active carbon is provided.
Water purifier of the invention has the split type reverse osmosis filter core compound with post active carbon, which can reduce instead
Permeate the replacement cost of filter core.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention
System.
Fig. 1 is a kind of the second reverse osmosis units of the compound split type reverse osmosis filter core of and post active carbon of the invention
Cross section structure schematic diagram.
Fig. 2 is a kind of the first reverse osmosis units of the compound split type reverse osmosis filter core of and post active carbon of the invention
Cross section structure schematic diagram.
Fig. 3 is the folding process schematic diagram of the monolithic reverse osmosis membrane of embodiment 1.
Fig. 4 is the folding process schematic diagram of reverse osmosis membrane and adjacent reverse osmosis membrane.
Fig. 5 is 1 water entering surface water (flow) direction schematic diagram of embodiment.
Fig. 6 is that embodiment 1 produces water surface water (flow) direction schematic diagram.
Fig. 7 is 2 water entering surface water (flow) direction schematic diagram of embodiment.
Fig. 8 is the folding process schematic diagram of the monolithic reverse osmosis membrane of embodiment 3.
Fig. 9 is the reverse osmosis membrane of embodiment 3 and the folding process schematic diagram of adjacent reverse osmosis membrane.
Figure 10 is 3 water entering surface water (flow) direction schematic diagram of embodiment.
Figure 11 is that embodiment 3 produces water surface water (flow) direction schematic diagram.
Fig. 1 includes into Figure 11:
First reverse osmosis units 1, water inlet 11, concentrated water outlet 12, water purification outlet 13, the second reverse osmosis units 2,
Post active carbon filter house 21,
Reverse osmosis membrane group 22, reverse osmosis membrane 221, water entering surface 2211, the production water surface 2212, first wide 2213, second are wide
2214, first long 2215, second long 2216, opening 2217, central tube portion 23, concentrated water central tube 231, pure water central tube 232,
Shell 24.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
It is a kind of to be provided with the first reverse osmosis as shown in Figures 1 to 6 with the compound split type reverse osmosis filter core of post active carbon
Saturating unit 1 and second reverse osmosis units 2 compound with post active carbon, the first reverse osmosis units 1 and the second reverse osmosis units 2 with
Piping connection.
When the split type reverse osmosis filter core compound with post active carbon in normal work, it is reverse osmosis that water flow is introduced into first
Unit 1 enters back into the second reverse osmosis units 2.
The water yield of first reverse osmosis units 1 is defined as B1, the water yield of the second reverse osmosis units 2 is defined as B2If
Set 0.75B1≥B2。
It should be noted that B of the invention2It can be B10.75 times, 0.5 times, 0.4 times, 0.3 times, 0.2 times etc., as long as
Be ok less than equal to 0.75 times of any integral multiple, specific multiple according to the actual situation depending on.The 0.5B of the present embodiment1≥
B2, specially B2For 0.3B1.Work as 0.3B according to many experiments confirmation1When, the out-of-service time of reverse osmosis membrane group 22 and postposition are living
Property charcoal 21 out-of-service times of filter house are identical, not will cause the waste of reverse osmosis membrane group 22 and post active carbon filter house 21, because
The replacement cost of this split type reverse osmosis filter core is minimum.
Second reverse osmosis units 2 are provided with post active carbon filter house 21, reverse osmosis membrane group 22 and central tube portion 23, instead
Infiltration diaphragm group 22 is wound in the outer surface of central tube portion 23 and whole encapsulation in the inside of post active carbon filter house 21.
Water (flow) direction, which is that the first reverse osmosis units of water source 1 are reverse osmosis, obtains pure water A and concentrated water A, and pure water A and concentrated water A divide
Not Jin Ru the second reverse osmosis units 2, concentrated water A obtains pure water B and concentrated water B through the second reverse osmosis units 2 are reverse osmosis, pure water B with it is pure
Water A converges into post active carbon filter house 21, concentrated water B discharge.
Reverse osmosis membrane group 22 is provided with multi-disc reverse osmosis membrane 221, and multi-disc reverse osmosis membrane 221 wraps around central tube portion
Simultaneously for encapsulation in the inside of post active carbon filter house 21, the reverse osmosis membrane 221, which is provided with, produces 2212 He of the water surface for 23 outer surface
Water entering surface 2211.
Reverse osmosis membrane 221 be folded in half into the double-deck rectangle structure reverse osmosis membrane 221 and water entering surface 2211 it is opposite, conduplication side
For rectangular short side, conduplication side is defined as it is first wide by 2213, the short side opposite with conduplication side is defined as it is second wide by 2214,
Two long sides adjacent with conduplication side are defined as first long 2215 and second long 2216, and second long 2216 is reverse osmosis far from second
The water inlet of unit 2.
It is long along first long 2215 and second per a piece of production water surface 2212 for producing the water surface 2212 and adjacent reverse osmosis membrane 221
2216 are tightly connected, and the first wide 2213 and second wide 2214 channel formed is pure water channel；
It is long along second wide 2214, first per the water entering surface 2211 of a piece of water entering surface 2211 and same reverse osmosis membrane 221
2215 and second long 2216 are tightly connected, and there are the openings passed in and out for concentrated water first long 2215 and separate first wide 2213
2217。
2217 length of being open is defined as A1, first wide 2213 length is defined as A2, 0.5A2≥A1。
It should be noted that A of the invention1It can be A20.5 times, 0.4 times, 0.3 times, 0.2 times etc., as long as less than etc.
Be ok in 0.5 times of any integral multiple, specific multiple according to the actual situation depending on.The A of the present embodiment1For 0.3A2.According to
0.3A is worked as in many experiments confirmation2When, the concentrated water water velocity and scale velocity ratio of the second reverse osmosis units 2 are best, can be to prevent
Only fouling will not influence water speed out.
Central tube portion 23 is provided with the concentrated water central tube 231 for conveying concentrated water and the pure water central tube for conveying pure water
232.Produce the water surface 2212 first wide 2213 offsets with pure water central tube 232, and concentrated water central tube 231 is seamless to be connected to water entering surface
2211 and and concentrated water central tube 231 parallel with first wide 2213 with produce the water surface 2212 do not contact.
Concentrated water central tube 231 and reverse osmosis membrane 221 correspond.First reverse osmosis units 1 are provided with water inlet 11, concentrated water
Outlet 12 and water purification outlet 13.
Concentrated water central tube 231 is connected to concentrated water outlet 12, and pure water central tube 232 is connected to water purification outlet 13, opening 2217
For concentrated water outlet.
The water (flow) direction of the present embodiment, which is that the first reverse osmosis units of water source 1 are reverse osmosis, obtains pure water A and concentrated water A, pure water A
The final cocurrent in pure water channel is entered back into post active carbon filter house 21, concentrated water A from water purification outlet 13 into pure water central tube 232
It is reverse osmosis that concentrated water B and pure water B, pure water B are logical through pure water through reverse osmosis membrane 221 to enter concentrated water central tube 231 from concentrated water outlet 12
The final cocurrent in road flows out split type reverse osmosis diafiltration from opening 2217 to post active carbon filter house 21, concentrated water B.
Many situations of reverse osmosis filter core failure in the prior art are not global failure, and are proximate to concentrated water outlet section
Effective area occur blocking and fouling, cause the water-yielding capacity of membrane component to decline.But often in entire reverse osmosis filter core, only
The phenomenon that some parts close to concentrated water side block all is that function is normal close to the region of water inlet and a part of intermediate region
Diaphragm, do not need to replace.The cost for increasing replacement filter core is caused to user in this way.Of the invention and post active carbon
Compound split type reverse osmosis filter core, it is only necessary to which the second reverse osmosis units for replacing first fouling are reverse osmosis without replacing first
Unit.
The split type reverse osmosis filter core compound with post active carbon is provided with the first reverse osmosis units 1 and lives with postposition
Property the second compound reverse osmosis units 2 of charcoal, the first reverse osmosis units 1 and the second reverse osmosis units 2 are with piping connection；When with postposition
In normal work, water flow is introduced into the first reverse osmosis units 1 and enters back into second the compound split type reverse osmosis filter core of active carbon
Reverse osmosis units 2.Lesser second reverse osmosis units 2 of water yield are compound in post active carbon filter house 21 by the present invention, and second
Reverse osmosis units 2 are located at the downstream of the first reverse osmosis units 1, and the second reverse osmosis units 2 go out stifled prior to the first reverse osmosis units 1
Plug and fouling.User only need to when needing to change post active carbon filter house 21, replace the second reverse osmosis units 2 can, without
Entire reverse osmosis filter core is needed replacing, to achieve the purpose that save replacement cost.The present invention is by 22 encapsulation of reverse osmosis membrane group
In the inside of post active carbon filter house 21, the filter core quantity of water purifier not will increase.Second reverse osmosis units 2 and postposition activity
Charcoal filter house 21 shares a filter-core shell, also reduces production cost.
Embodiment 2.
A kind of and compound split type reverse osmosis filter core of post active carbon, as shown in fig. 7, other features and 1 phase of embodiment
Together, the difference is that, opening 2217 is connected to water inlet 11, and pure water central tube 232 is connected to water purification outlet 13, concentrated water center
Pipe 231 is concentrated water exhalant canal.
The water (flow) direction of the present embodiment, which is that the first reverse osmosis units of water source 1 are reverse osmosis, obtains pure water A and concentrated water A, pure water A
The final cocurrent in pure water channel is entered back into post active carbon filter house 21, concentrated water A from water purification outlet 13 into pure water central tube 232
Enter reverse osmosis membrane 221 through opening 2217 from concentrated water outlet 12, obtains concentrated water B and pure water B, pure water B through reverse osmosis membrane 221 is reverse osmosis
Post active carbon filter house 21 is flowed to through pure water channel, concentrated water B flows out split type reverse osmosis diafiltration from concentrated water central tube 231.
Compared with Example 1, the concentrated water flow direction of the present embodiment is with embodiment 1 on the contrary, can make to reduce for the present embodiment
Concentrated water A enters 2211 sectional area of water entering surface, to improve concentrated water in the flow velocity of water entering surface 2211 to preferably good antiscale property.
Embodiment 3.
A kind of and compound split type reverse osmosis filter core of post active carbon, as shown in Figs. 8 to 11, other features and implementation
Example 1 is identical, the difference is that, it is long along first per a piece of production water surface 2212 for producing the water surface 2212 and adjacent reverse osmosis membrane 221
2215 and second long 2216 are tightly connected, and the first wide 2213 and second wide 2214 channel formed is pure water channel.
Water entering surface 2211 per a piece of water entering surface 2211 and same reverse osmosis membrane 221 is tightly connected along second wide 2214,
And the channel of 2216 formation of the first long 2215 and second length is concentrated water channel.Produce first wide 2213 and central tube portion of the water surface 2212
23 offset.
The water (flow) direction of the present embodiment, which is that the first reverse osmosis units of water source 1 are reverse osmosis, obtains pure water A and concentrated water A, pure water A
The final cocurrent in pure water channel is entered back into post active carbon filter house 21, concentrated water A from water purification outlet 13 into pure water central tube 232
Enter reverse osmosis membrane 221 through concentrated water channel from concentrated water outlet 12, obtains concentrated water B and pure water B, pure water B through reverse osmosis membrane 221 is reverse osmosis
Post active carbon filter house 21 is flowed to through pure water channel, concentrated water B flows out split type reverse osmosis diafiltration from concentrated water channel.
Compared with Example 1, the central tube of the present embodiment only has one, so as to reduce production cost and simplify production
Step.
Embodiment 4.
A kind of and compound split type reverse osmosis filter core of post active carbon, other features are same as Example 1, difference
It is, the first reverse osmosis units 1 and external device (ED) integrally connected.
External device (ED) of the invention is preposition PP cotton or preposition activated charcoal.
Water (flow) direction is that water source is filtered through external device (ED), and it is anti-through first that filtered water source enters the first reverse osmosis units 1
Permeation unit 1 is reverse osmosis to obtain pure water A and concentrated water A, and pure water A and concentrated water A respectively enter the second reverse osmosis units 2, and concentrated water B is through
Two reverse osmosis units 2 are reverse osmosis to obtain pure water B and concentrated water B, and pure water B and pure water A converge into post active carbon filter house 21, dense
Water B discharge.
Compared with Example 1, the split type reverse osmosis filter core of the present embodiment is all compound with other filter cores, it is possible to reduce net
The number of water dispenser filter core.
Embodiment 5.
A kind of water purifier has the described in embodiment 1 and compound split type reverse osmosis filter core of post active carbon.
The water purifier can reduce the replacement cost of reverse osmosis filter core.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can be with modifying or equivalently replacing the technical solution of the present invention, without departing from the essence and model of technical solution of the present invention
It encloses.
Claims (10)
1. a kind of and compound split type reverse osmosis filter core of post active carbon, it is characterised in that: it is provided with the first reverse osmosis units
With second reverse osmosis units compound with post active carbon, the first reverse osmosis units and the second reverse osmosis units are with piping connection；
When the split type reverse osmosis filter core compound with post active carbon in normal work, water flow is introduced into the first reverse osmosis units
Enter back into the second reverse osmosis units.
2. the according to claim 1 and compound split type reverse osmosis filter core of post active carbon, it is characterised in that: by first
The water yield of reverse osmosis units is defined as B1, the water yield of the second reverse osmosis units is defined as B2, there are 0.75B1≥B2。
3. the according to claim 2 and compound split type reverse osmosis filter core of post active carbon, it is characterised in that: 0.5B1≥
B2。
4. according to claim 3 with the compound split type reverse osmosis filter core of post active carbon, it is characterised in that: described the
Two reverse osmosis units are provided with post active carbon filter house, reverse osmosis membrane group and central tube portion, and reverse osmosis membrane group is wound in
The outer surface of central tube portion and integrally encapsulation are in the inside of post active carbon filter house；
The first reverse osmosis units of water source are reverse osmosis to obtain pure water A and concentrated water A, and it is reverse osmosis that pure water A and concentrated water A respectively enter second
Unit, concentrated water A obtain pure water B and concentrated water B through the second reverse osmosis units are reverse osmosis, and pure water B and pure water A converge into postposition activity
Charcoal filter house, concentrated water B discharge.
5. the according to claim 4 and compound split type reverse osmosis filter core of post active carbon, it is characterised in that: it is described anti-
Infiltration diaphragm group is provided with multi-disc reverse osmosis membrane, and multi-disc reverse osmosis membrane wraps around the outer surface of central tube portion and encapsulation in rear
The inside of active carbon filter house is set, the reverse osmosis membrane, which is provided with, produces the water surface and water entering surface；
The reverse osmosis membrane be folded in half into the double-deck rectangle structure reverse osmosis membrane and water entering surface it is opposite, conduplication side be it is rectangular
Short side, conduplication side is defined as first wide, and the short side opposite with conduplication side is defined as to second wide, adjacent with conduplication side two
Long side is defined as first long and the second length, and the second long water inlet far from the second reverse osmosis units；
Per a piece of production water surface for producing the water surface and adjacent reverse osmosis membrane along first long and the second long sealed connection, and first wide and the
The two wide channels formed are pure water channel；
, first long and second long sealed connection wide along second per the water entering surface of a piece of water entering surface and same reverse osmosis membrane, and
There are the openings passed in and out for concentrated water for first long and separate first width；
The length of opening is defined as A1, the first wide length is defined as A2, 0.5A2≥A1。
6. the according to claim 5 and compound split type reverse osmosis filter core of post active carbon, it is characterised in that: in described
Heart pipe portion is provided with the concentrated water central tube for conveying concentrated water and the pure water central tube for conveying pure water；
First width for producing the water surface offsets with pure water central tube；
The concentrated water central tube is seamless to be connected to water entering surface and does not contact with the first wide parallel and concentrated water central tube with the water surface is produced.
7. the according to claim 6 and compound split type reverse osmosis filter core of post active carbon, it is characterised in that: in concentrated water
Heart pipe and reverse osmosis membrane correspond；
First reverse osmosis units are provided with water inlet, concentrated water outlet and water purification outlet；
The concentrated water central tube and concentrated water outlet, pure water central tube are connected to water purification outlet, are open as concentrated water outlet；Or
The opening is connected to water inlet, and pure water central tube is connected to water purification outlet, and concentrated water central tube is concentrated water exhalant canal.
8. the according to claim 5 and compound split type reverse osmosis filter core of post active carbon, it is characterised in that: per a piece of
The production water surface for producing the water surface and adjacent reverse osmosis membrane along first it is long and second it is long be tightly connected, and first is wide and the second width formation
Channel is pure water channel；
Water entering surface per a piece of water entering surface and same reverse osmosis membrane is tightly connected along the second width, and first long and the second long formation
Channel be concentrated water channel；
First width for producing the water surface offsets with central tube portion.
9. the split type reverse osmosis filter core compound with post active carbon, feature according to claim 5 to 8 any one
It is: first reverse osmosis units and external device (ED) integrally connected；
The external device (ED) is preposition PP cotton or preposition activated charcoal；
Water (flow) direction is that water source is filtered through external device (ED), and filtered water source enters the first reverse osmosis units through the first reverse osmosis list
Member is reverse osmosis to obtain pure water A and concentrated water A, and pure water A and concentrated water A respectively enter the second reverse osmosis units, and concentrated water B is reverse osmosis through second
Unit is reverse osmosis to obtain pure water B and concentrated water B, and pure water B and pure water A converge into post active carbon filter house, concentrated water B discharge.
10. a kind of water purifier, it is characterised in that: have as claimed in any one of claims 1 to 9 compound with post active carbon
Split type reverse osmosis filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910190692.3A CN109879459B (en) | 2019-03-13 | 2019-03-13 | Split type reverse osmosis filter core combined with rear-mounted active carbon and water purifier thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910190692.3A CN109879459B (en) | 2019-03-13 | 2019-03-13 | Split type reverse osmosis filter core combined with rear-mounted active carbon and water purifier thereof |
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