CN109987779A - A kind of water filtering system - Google Patents
A kind of water filtering system Download PDFInfo
- Publication number
- CN109987779A CN109987779A CN201711486764.6A CN201711486764A CN109987779A CN 109987779 A CN109987779 A CN 109987779A CN 201711486764 A CN201711486764 A CN 201711486764A CN 109987779 A CN109987779 A CN 109987779A
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- China
- Prior art keywords
- water
- electric field
- separating
- separation
- filtering system
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- Granted
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 238000001914 filtration Methods 0.000 title claims abstract description 69
- 230000005684 electric field Effects 0.000 claims abstract description 82
- 238000000926 separation method Methods 0.000 claims abstract description 56
- 150000002500 ions Chemical class 0.000 claims abstract description 44
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 33
- 239000002351 wastewater Substances 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims description 7
- 238000000108 ultra-filtration Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005194 fractionation Methods 0.000 claims description 2
- 240000002853 Nelumbo nucifera Species 0.000 abstract description 18
- 235000006508 Nelumbo nucifera Nutrition 0.000 abstract description 18
- 235000006510 Nelumbo pentapetala Nutrition 0.000 abstract description 18
- 150000001768 cations Chemical class 0.000 abstract description 13
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000001223 reverse osmosis Methods 0.000 description 5
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- BQPIGGFYSBELGY-UHFFFAOYSA-N mercury(2+) Chemical compound [Hg+2] BQPIGGFYSBELGY-UHFFFAOYSA-N 0.000 description 4
- 229910001422 barium ion Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- XDFCIPNJCBUZJN-UHFFFAOYSA-N barium(2+) Chemical compound [Ba+2] XDFCIPNJCBUZJN-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/48—Devices for applying magnetic or electric fields
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a kind of water filtering systems, preceding filter device including being located at front end, it is characterized by also including the separation of heavy metal ions device that preceding filter device rear is arranged in, which includes separating flow tract, separation electric field positive plate, separation electric field negative electrode tab；The outlet of separating flow tract is equipped with N block and the split-flow baffles for separating the setting of electric field positive plate parallel interval；Most intermediate one will be located to shunt subexit or shunt the water of subexit outflow as the waste water of water filtering system positioned at any of most intermediate two shuntings subexit.Compared with prior art, the present invention has the advantages that passing through setting separation of heavy metal ions device, cation more different than lotus in water is subjected to separation shunting, compare lotus further according to heavy metal ion, the water for containing heavy metal ion is forced to exclude as the waste water of water filtering system, can effectively cross the heavy metal ion in drainage.
Description
Technical field
The present invention relates to a kind of water filtering systems of water purifier.
Background technique
The water process mode of water purifier mainly relies on the form of film to be handled at present, and a kind of film relies on the mode of filtering
Pollutant is retained, such as PP cotton, active carbon, another film is shunted after filtering, such as reverse osmosis, ultrafiltration, a part of mistake
Water after filter is discharged as purified water, and another part is just discharged with pollutant as waste water.Water purifier is typically all
The process of entire Water warfare is completed by dividing multistage filtering.Main core filter membrane is divided into ultrafiltration, reverse osmosis currently on the market
Both saturating films.Ultrafiltration membrane can retain the minerals in water but cannot cross the heavy metal ion in drainage, and reverse osmosis membrane can be with
The ion of the overwhelming majority is filtered out, but does not have mineral ion, is become or close to pure water.There is part using nanofiltration, protects
Certain mineral ion is stayed, but most of heavy metal ion can be filtered out.But either any film all has following several
A common characteristic:
1, the effect filtered is fixed, i.e. the aperture of film determines the filter effect of film, and film once forms, also just solid
The aperture for having determined filtering, does not adapt to different occasions；
2, the filter effect of film uses time president with film, and efficiency becomes low, and aperture becomes smaller, with using the time to add
It is long, it can may also block, finally be also possible to that film is caused to fail, need replacing film；
3, film is by micro porous filtration, and micropore will form certain water resistance, and aperture is smaller, water resistance is bigger, it is however generally that,
Reverse osmosis membrane can filter whole ions, form pure water, aperture is minimum, thus water resistance is also maximum, and reverse osmosis water purifier is general
It requires booster pump to be pressurized water inlet, just can guarantee certain water yield.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of huge sum of money that can will contain in water for the above-mentioned prior art
Belong to ion and carries out the water filtering system for forcing separation to exclude.
The technical scheme of the invention to solve the technical problem is: a kind of water filtering system, including it is located at front end
Preceding filter device, it is characterised in that: further include the separation of heavy metal ions device that preceding filter device rear is set, this huge sum of money
Belonging to ion fractionation device includes
Separating flow tract, separating flow tract have entrance and exit；
Electric field positive plate is separated, is arranged in separating flow tract, close to the outlet of separating flow tract, just with external stabilized power
Pole connection；
Electric field negative electrode tab is separated, is arranged in separating flow tract, it is negative with external stabilized power close to the outlet of separating flow tract
Pole connection；
The entrance of separating flow tract is positioned close to the front end of separation electric field negative electrode tab；
The outlet of the separating flow tract is formed between separation electric field positive plate rear end and separation electric field negative electrode tab rear end,
And exporting for separating flow tract is equipped with N block and separates the split-flow baffles that electric field positive plate parallel interval is arranged, thus by separating flow tract
Outlet be divided into N+1 and shunt subexit, the value of N is the natural number more than or equal to 2；
A most intermediate shunting subexit will be located at or positioned at any of most intermediate two shuntings subexit shunting
Export waste water of the water of outflow as water filtering system；It is mixed the water that subexit flows out is shunted from remaining, as water mistake
The normal water outlet of filter system.
The distance between N block split-flow baffles can be identical, i.e., the outlet of separating flow tract is divided into N+1 by N block split-flow baffles
The identical shunting subexit of size.
The distance between N block split-flow baffles can also be different, preferably, the N=2, wherein first piece of split-flow baffles
With separate the distance between electric field positive plate are as follows:Wherein K is less than 1 greater than 0
Constant, voltage of the U between the second external stabilized power positive and negative anodes, l are separation electric field positive plate or separation electric field negative electrode tab
Length, v are the water velocity that water flows through separating flow tract, and d is the distance between separation electric field positive plate and separation electric field negative electrode tab；Range be 1/15~1/8；Second piece of split-flow baffles with separate the distance between electric field positive plate are as follows:Range be 1/45~1/40；It will be from first piece of split-flow baffles and second
Waste water of the water for shunting subexit outflow formed between block split-flow baffles as water filtering system；Son will be shunted from other two
The water of outlet outflow is mixed, the normal water outlet as water filtering system；In this way, if in water containing silver ion, cadmium ion,
The metal cation than lotus between 1/15~1/8 to 1/45~1/40 such as barium ions, mercury ion, lead ion will be used as water mistake
The waste water of filter system is directly forced to exclude.
As another preferred embodiment, the N=3, wherein first piece of split-flow baffles with separate the distance between electric field positive plate
Are as follows:Wherein K be less than 1 be greater than 0 constant, U be the second external stabilized power just
Voltage between cathode, l are the length for separating electric field positive plate or separating electric field negative electrode tab, and v is the water that water flows through separating flow tract
Flow velocity degree, d are the distance between separation electric field positive plate and separation electric field negative electrode tab；Range be 1/15~1/8；Second
Block split-flow baffles with separate the distance between electric field positive plate are as follows:Model
Enclose is 1/28~1/20；Third block split-flow baffles with separate the distance between electric field positive plate are as follows:Range are as follows: 1/45~1/40 will be from second piece of split-flow baffles and third
Waste water of the water for shunting subexit outflow formed between block split-flow baffles as water filtering system；Son will be shunted from its excess-three
The water of outlet outflow is mixed, as the normal water outlet of water filtering system, in this way, mercury ion, lead ion etc. are than lotus 1/28
Waste water as water filtering system is directly forced to exclude by the metal cation between~1/20 to 1/45~1/40.
In view of attached collection electric field and separate electric field voltage it is excessive when, the electrolysis of water is easy to cause, in order not to as making water
It is electrolysed, the voltage between the external stabilized power positive and negative anodes is less than or equal to 2V.
It is identical as electric field anode leaf length is separated to separate electric field cathode leaf length.
As an improvement, the preceding filter device includes the by-pass filtration unit that filter core is PP cotton, filter core is the two of active carbon
Grade filter element and filter core are the three-stage filtration unit of ultrafiltration membrane；The entrance of by-pass filtration unit and water filtering system into
Mouth of a river connection, the outlet of by-pass filtration unit are connected to the entrance of secondary filtration unit, the outlet and three-level of secondary filtration unit
The entrance of filter element is connected to, and the entrance of separating flow tract connects in the outlet of three-stage filtration unit and separation of heavy metal ions device
It is logical.
It improves, is equipped between the entrance of separating flow tract in the outlet of three-stage filtration unit and separation of heavy metal ions device again
Flowmeter.
Compared with the prior art, the advantages of the present invention are as follows: by the way that separation of heavy metal ions device is arranged, lotus will be compared in water
Different cations carries out separation shunting, and further according to heavy metal ion than lotus, the water for containing heavy metal ion is filtered as water
The waste water of system is forced to exclude, and can effectively cross the heavy metal ion in drainage
Detailed description of the invention
Fig. 1 is the schematic diagram of water filtering system in the embodiment of the present invention one.
Fig. 2 is the schematic diagram of separation of heavy metal ions device in the embodiment of the present invention one.
Fig. 3 is the schematic diagram of separation of heavy metal ions device in the embodiment of the present invention two.
Fig. 4 is the schematic diagram of separation of heavy metal ions device in the embodiment of the present invention three.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Water filtering system as shown in Figure 1, the preceding filter device including being located at front end, and be arranged at preceding filter device rear
Separation of heavy metal ions device.The preceding filter device includes the by-pass filtration unit 7 that filter core is PP cotton, and filter core is active carbon
Secondary filtration unit 8 and filter core be ultrafiltration membrane three-stage filtration unit 9；Entrance and water the filtering system of by-pass filtration unit
The water inlet of system is connected to, and the outlet of by-pass filtration unit is connected to the entrance of secondary filtration unit, the outlet of secondary filtration unit
It is connected to the entrance of three-stage filtration unit, the outlet of three-stage filtration unit enters with separating flow tract in separation of heavy metal ions device
Mouth connection；Flowmeter is equipped in the outlet of three-stage filtration unit and separation of heavy metal ions device between the entrance of separating flow tract
10。
In the present embodiment, separation of heavy metal ions device includes, shown in Figure 2
Separating flow tract 1, separating flow tract have entrance and exit；
Electric field positive plate 2 is separated, is arranged in separating flow tract, close to the outlet of separating flow tract, with external stabilized power
Anode connection；
Electric field negative electrode tab 3 is separated, is arranged in separating flow tract, close to the outlet of separating flow tract, with external stabilized power
Cathode connection；It is identical as electric field anode leaf length is separated to separate electric field cathode leaf length；
The entrance of separating flow tract is positioned close to the front end of separation electric field negative electrode tab；
The outlet of the separating flow tract is formed between separation electric field positive plate rear end and separation electric field negative electrode tab rear end,
And exporting for separating flow tract is equipped with N block and separates the split-flow baffles 6 that electric field positive plate parallel interval is arranged, thus by separating flow tract
Outlet be divided into N+1 shunting subexit, the value of N is the natural number more than or equal to 2；Most intermediate shunting will be located at
Outlet shunts waste water of the water of subexit outflow as water filtering system positioned at any of most intermediate two shuntings subexit；
It is mixed the water that subexit flows out is shunted from remaining, the normal water outlet as water filtering system.
In the present embodiment, N=3 will extremely separate the split-flow baffles between electric field positive plate from separation electric field negative electrode tab successively
First piece of split-flow baffles, second piece of split-flow baffles, third block split-flow baffles are denoted as, it will be from second piece of split-flow baffles and third block point
Waste water of the water for shunting subexit outflow formed between stream partition as water filtering system, forces to exclude；It will be from remaining shunting
The water of subexit outflow is mixed, the normal water outlet as water filtering system.
The working principle of separation of heavy metal ions device are as follows:
Water enters from the entrance of separating flow tract, and under the action of separate electric field, cation in water is to separating electric field cathode
Piece is mobile, and the anion in water is in separation electric field positive plate movement.Consider that too high voltages are easy to cause the electrolysis of water, therefore excellent
First consider that the separation voltage of electric field of input cannot be excessive, should be typically lower than 2V or less.Identical electric field moves different ions
Shifting ability is different, and is mainly determined according to different charged ratios, under identical uniform electric field, drive of the ion in water flow
It is lower enter separation electric field, the entrance of separating flow tract be positioned close to separation electric field negative electrode tab front end so that it is all sun from
The primary condition of son is consistent, and under the action of separating electric field, the different ions in water can be moved under the action of separating electric field
It moves, anion is moved to separation electric field positive plate, and cation can be moved to separation electric field negative electrode tab, since different ions has
Different charges and different atomic weight, it is calcium (Ca that main cation is most of in normal water2+ atomic weight be 20), magnesium
(Mg2+ ion atoms amount be 20), sodium (Na+ atomic weight be 11), also some other micro cation；But for some
In the water of pollution, especially in the water of heavy metal pollution, a large amount of heavy metal ion is contained, such as lead (Pb2+ atomic weight be
82), mercury (Hg2+ atomic weight be 80), silver (Ag2+ atomic weight be 47), barium (Ba2+ atomic weight be 56), cadmium (Cd2+ atomic weight
48) etc. for.Different ions has different ratio lotuses, if calcium ion is 2/20 than lotus, cadmium ion 2/48, and lead ion 2/
82, therefore the ratio lotus of heavy metal ion is relatively small, especially lead, mercury etc., and cation such as calcium and magnesium common in general water
Sodium etc. compares larger than lotus.Therefore, in identical separation electric field, identical initial velocity, the ion of not year-on-year lotus is mobile
Distance relation to than lotus, than proportional relationship, that is, the distance moved is related to q/m, under phase same electric field, the cation bigger than lotus
Movement speed is fast, and the cationic movement speed smaller than lotus is slow；Especially heavy metal ion is due to, movement speed smaller than lotus
Slowly；By the diversion channel of water outlet, water is shunted, so as to be separated to zwitterion different in water, is passed through
Using the water for shunting subexit outflow formed between second piece of split-flow baffles and third block split-flow baffles as water filtering system
Waste water；It is mixed the water that subexit flows out is shunted from its excess-three, the normal water outlet as water filtering system, so that it may will
Most of heavy metal ion excludes.
Embodiment two
What is different from the first embodiment is that three pieces of split-flow baffles are not evenly spaced on, it is shown in Figure 3, wherein
First piece of split-flow baffles with separate the distance between electric field positive plate are as follows:
Wherein K is the constant for being greater than 0 less than 1, and voltage of the U between the second external stabilized power positive and negative anodes, l is separation electric field positive plate
Or the length of separation electric field negative electrode tab, v are the water velocity that water flows through separating flow tract, d is separation electric field positive plate and separation electricity
The distance between field negative electrode tab；Range be 1/15~1/8；In this way, calcium ion, sodium ion etc. are than lotus 0 to 1/15~1/
The shunting subexit stream that metal cation between 8 can be formed between first piece of split-flow baffles and separating flow tract inner wall
Out；
Second piece of split-flow baffles with separate the distance between electric field positive plate are as follows:
Range be 1/28~1/20；In this way, the metal than lotus between 1/15~1/8 to 1/28~1/20 such as silver ion, cadmium ion
The shunting subexit outflow that cation can be formed between first piece of split-flow baffles and second piece of split-flow baffles；
Third block split-flow baffles with separate the distance between electric field positive plate are as follows:
Range are as follows: 1/45~1/40；In this way, barium ions, lead ion, mercury ion etc. than lotus 1/28~1/20 to 1/45~1/40 it
Between metal cation can be formed between second piece of split-flow baffles and third block split-flow baffles shunting subexit outflow.
At this point, the water for shunting subexit outflow formed between second piece of split-flow baffles and third block split-flow baffles is made
For the waste water of water filtering system, can more accurate effective heavy metal ion that will contain in water exclude.
Embodiment three
Unlike embodiment two, split-flow baffles are shown in Figure 4 equipped with two pieces, in which:
First piece of split-flow baffles with separate the distance between electric field positive plate are as follows:Its
Middle K be less than 1 be greater than 0 constant, voltage of the U for the second external stabilized power positive and negative anodes between, l be separate electric field positive plate or
The length of electric field negative electrode tab is separated, v is the water velocity that water flows through separating flow tract, and d is separation electric field positive plate and separation electric field
The distance between negative electrode tab；Range be 1/15~1/8；
Second piece of split-flow baffles with separate the distance between electric field positive plate are as follows:
Range be 1/45~1/40.
At this point, the water mistake for shunting subexit outflow that will be formed between first piece of split-flow baffles and second piece of split-flow baffles
The waste water of filter system, also can more accurate effective heavy metal ion that will contain in water exclude.
Claims (7)
1. a kind of water filtering system, the preceding filter device including being located at front end, it is characterised in that: further include that setting is filled in preceding filtering
The separation of heavy metal ions device for the side of postponing, the separation of heavy metal ions device include
Separating flow tract, separating flow tract have entrance and exit；
Electric field positive plate is separated, is arranged in separating flow tract, close to the outlet of separating flow tract, is connected with the anode of external stabilized power
It connects；
Electric field negative electrode tab is separated, is arranged in separating flow tract, close to the outlet of separating flow tract, is connected with the cathode of external stabilized power
It connects；
The entrance of separating flow tract is positioned close to the front end of separation electric field negative electrode tab；
The outlet of the separating flow tract is formed between separation electric field positive plate rear end and separation electric field negative electrode tab rear end, and is divided
Outlet from runner is equipped with N block and the split-flow baffles for separating the setting of electric field positive plate parallel interval, thus going out separating flow tract
Mouth is divided into N+1 and shunts subexit, and the value of N is the natural number more than or equal to 2；
A most intermediate shunting subexit will be located at or positioned at any of most intermediate two shuntings subexit shunting subexit
Waste water of the water of outflow as water filtering system；It is mixed the water that subexit flows out is shunted from remaining, filters system as water
The normal water outlet of system.
2. water filtering system according to claim 1, it is characterised in that: the N=2, wherein first piece of split-flow baffles with
Separate the distance between electric field positive plate are as follows:Wherein K is normal greater than 0 less than 1
Number, voltage of the U between the second external stabilized power positive and negative anodes, l are the length for separating electric field positive plate or separating electric field negative electrode tab
Degree, v are the water velocity that water flows through separating flow tract, and d is the distance between separation electric field positive plate and separation electric field negative electrode tab；
Range be 1/15~1/8；
Second piece of split-flow baffles with separate the distance between electric field positive plate are as follows: Range be 1/45~1/40；The shunting subexit that will be formed between first piece of split-flow baffles and second piece of split-flow baffles
Waste water of the water of outflow as water filtering system；It is mixed the water that subexit flows out is shunted from other two, as water mistake
The normal water outlet of filter system.
3. water filtering system according to claim 1, it is characterised in that: the N=3, wherein first piece of split-flow baffles with
Separate the distance between electric field positive plate are as follows:Wherein K is normal greater than 0 less than 1
Number, voltage of the U between the second external stabilized power positive and negative anodes, l are the length for separating electric field positive plate or separating electric field negative electrode tab
Degree, v are the water velocity that water flows through separating flow tract, and d is the distance between separation electric field positive plate and separation electric field negative electrode tab；
Range be 1/15~1/8；Second piece of split-flow baffles with separate the distance between electric field positive plate are as follows: Range be 1/28~1/20；Third block split-flow baffles with separating electric field just
The distance between pole piece are as follows: Range are as follows: 1/45~1/40, will be from second
Waste water of the water for shunting subexit outflow formed between block split-flow baffles and third block split-flow baffles as water filtering system；It will
It shunts the water that subexit flows out from its excess-three to be mixed, the normal water outlet as water filtering system.
4. water filtering system according to claim 1, it is characterised in that: the electricity between the external stabilized power positive and negative anodes
Pressure is less than or equal to 2V.
5. water filtering system according to claim 1, it is characterised in that: the separation electric field cathode leaf length with separate electricity
The positive leaf length in field is identical.
6. water filtering system described according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that: the preceding filter device includes
Filter core be PP cotton by-pass filtration unit, filter core be active carbon secondary filtration unit and filter core be ultrafiltration membrane three-level mistake
Filter unit；The entrance of by-pass filtration unit is connected to the water inlet of water filtering system, the outlet and second level mistake of by-pass filtration unit
The entrance connection of unit is filtered, the outlet of secondary filtration unit is connected to the entrance of three-stage filtration unit, and three-stage filtration unit goes out
Mouth is connected to the entrance of separating flow tract in separation of heavy metal ions device.
7. water filtering system according to claim 6, it is characterised in that: the outlet of the three-stage filtration unit and heavy metal
Flowmeter is equipped in ion fractionation device between the entrance of separating flow tract.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486764.6A CN109987779B (en) | 2017-12-29 | 2017-12-29 | Water filtration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486764.6A CN109987779B (en) | 2017-12-29 | 2017-12-29 | Water filtration system |
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| CN109987779A true CN109987779A (en) | 2019-07-09 |
| CN109987779B CN109987779B (en) | 2024-01-19 |
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| CN101200325A (en) * | 2007-12-21 | 2008-06-18 | 南开大学 | Electro-deionization method and device for synchronously concentrating and purifying heavy metal wastewater |
| CN101891286A (en) * | 2010-04-02 | 2010-11-24 | 广州天至环保科技有限公司 | System for purifying and recycling electroplating/chemical plating wastewater on line |
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| KR20160082744A (en) * | 2014-12-29 | 2016-07-11 | 코웨이 주식회사 | Deionization filter device and water treatment apparatus having the same |
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| CN106348397A (en) * | 2015-07-13 | 2017-01-25 | 张传忠 | Electric desalinating device |
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2017
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|---|---|---|---|---|
| CN101200325A (en) * | 2007-12-21 | 2008-06-18 | 南开大学 | Electro-deionization method and device for synchronously concentrating and purifying heavy metal wastewater |
| CN101891286A (en) * | 2010-04-02 | 2010-11-24 | 广州天至环保科技有限公司 | System for purifying and recycling electroplating/chemical plating wastewater on line |
| CN103811266A (en) * | 2012-11-14 | 2014-05-21 | 中国科学院大连化学物理研究所 | Flat type differential ion mobility spectrometer capable of selectively detecting positive and negative ions |
| KR20160082744A (en) * | 2014-12-29 | 2016-07-11 | 코웨이 주식회사 | Deionization filter device and water treatment apparatus having the same |
| CN106348397A (en) * | 2015-07-13 | 2017-01-25 | 张传忠 | Electric desalinating device |
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| CN109987779B (en) | 2024-01-19 |
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