CN109991288A - Heavy metal ion content detection device in a kind of water - Google Patents
Heavy metal ion content detection device in a kind of water Download PDFInfo
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- CN109991288A CN109991288A CN201711482764.9A CN201711482764A CN109991288A CN 109991288 A CN109991288 A CN 109991288A CN 201711482764 A CN201711482764 A CN 201711482764A CN 109991288 A CN109991288 A CN 109991288A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 46
- 230000005684 electric field Effects 0.000 claims abstract description 82
- 150000002500 ions Chemical class 0.000 claims abstract description 58
- 238000000926 separation method Methods 0.000 claims abstract description 49
- 150000001768 cations Chemical class 0.000 claims abstract description 13
- 238000005194 fractionation Methods 0.000 claims abstract description 12
- 210000000952 spleen Anatomy 0.000 claims abstract description 12
- 210000002784 stomach Anatomy 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 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
- 230000005611 electricity Effects 0.000 description 5
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 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
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 229910001422 barium ion Inorganic materials 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
- 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
- BQPIGGFYSBELGY-UHFFFAOYSA-N mercury(2+) Chemical compound [Hg+2] BQPIGGFYSBELGY-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 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
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 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
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to heavy metal ion content detection devices in a kind of water, it is characterized by: including water middle-jiao yang, function of the spleen and stomach ion fractionation device, the water middle-jiao yang, function of the spleen and stomach ion fractionation device includes separating flow tract, separation electric field positive plate, separation electric field negative electrode tab, and the N block split-flow baffles in the exit of separating flow tract are set, so that the outlet of separating flow tract is divided into N+1 shunting subexit；TDS detecting element, for detect from most intermediate distributary subexit flow out water in TDS value, using the measurement result of the TDS detecting element as in the water for flowing through heavy metal ion content detection device whether the foundation containing heavy metal ion.Compared with prior art, the present invention has the advantages that passing through setting water middle-jiao yang, function of the spleen and stomach ion fractionation device, cation more different than lotus in water is subjected to separation shunting, compare lotus further according to heavy metal ion, to the detection of TDS value can be carried out from heavy metal ion than the water of the shunting of lotus part, can detect in water whether contain heavy metal ion with accurate and effective.
Description
Technical field
The present invention relates to heavy metal ion content detection devices in a kind of water.
Background technique
In the prior art, to heavy metal ion whether is contained in water, substantially judged by TDS value in measurement water mostly,
But TDS value cannot accurately show whether contain heavy metal ion in water.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of can more sensitively judge in water for the above-mentioned prior art
Whether heavy metal ion content detection device in the water containing heavy metal ion.
The technical scheme of the invention to solve the technical problem is: heavy metal ion content detection dress in a kind of water
It sets, it is characterised in that: include water middle-jiao yang, function of the spleen and stomach ion fractionation device, which 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,
The outlet of separating flow tract is equipped with N block and the split-flow baffles for separating the setting of electric field negative electrode tab parallel interval, thus by separating flow tract
Outlet is divided into N+1 shunting subexit, and the value of N is the natural number more than or equal to 2；It will be from separation electric field negative electrode tab to separating electricity
Split-flow baffles between positive plate be successively denoted as first piece of split-flow baffles, second piece of split-flow baffles ... nth block shunt every
Plate；As N=2, the shunting subexit formed between first piece of split-flow baffles and second piece of split-flow baffles is denoted as detection outlet；
As N=3, the shunting subexit formed between first piece of split-flow baffles and second piece of split-flow baffles is denoted as detection outlet, or
The shunting subexit formed between second piece of split-flow baffles and third block split-flow baffles is denoted as detection outlet；It, will as N=4
The shunting subexit formed between second piece of split-flow baffles and third block split-flow baffles is denoted as detection outlet, or third block is shunted
The shunting subexit formed between partition and the 4th piece of split-flow baffles is denoted as detection outlet；It, will when the natural number of N=5 or more
It is detection outlet that either one or two of two most intermediate shunting subexits, which mix postscript,；
TDS detecting element, for detecting the TDS value from the water of detection outlet outflow, by the measurement of the TDS detecting element
As a result as in the water for flowing through heavy metal ion content detection device whether the foundation containing heavy metal ion.
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.
Preferably, as N=2:
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；
Second piece of split-flow baffles with separate the distance between electric field positive plate are as follows: Range be 1/45~1/40；
As N=3:
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；
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 separate the distance between electric field positive plate are as follows: Range are as follows: 1/45~1/40, at this point, shunting formed between first piece of split-flow baffles and second piece of split-flow baffles is gone out
Mouth is denoted as detection outlet.
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 positive and negative pole tension of external stabilized power is provided by the controller the invention also includes controller；
TDS detecting element is connect with controller；It additionally includes connected to the controller for showing TDS detecting element testing result
Display unit.
It improves again, the invention also includes for detecting the flowmeter for flowing into the flow velocity of water of separating flow tract entrance, the flow
Meter is connect with controller.
It improves again, the invention also includes the comparison TDS detection members for detecting TDS value in the water for flowing into separating flow tract entrance
Part, comparison TDS detecting element are connect with controller, if the testing result of TDS detecting element is greater than comparison TDS detecting element
Testing result, then show to flow through in the water of heavy metal ion content detection device and contain heavy metal.
It improves again, the invention also includes alarms connected to the controller.
It improves again, the invention also includes operation input units connected to the controller.
Compared with the prior art, the advantages of the present invention are as follows: by the way that water middle-jiao yang, function of the spleen and stomach ion fractionation device is arranged, lotus will be compared in water
Different cations carries out separation shunting, the shunting further according to heavy metal ion than lotus, to meeting from heavy metal ion than lotus part
Water carry out the detection of TDS value, can detect in water whether contain heavy metal ion with accurate and effective.
Detailed description of the invention
Fig. 1 is heavy metal ion content detection device module map in water in the embodiment of the present invention one.
Fig. 2 is water middle-jiao yang, function of the spleen and stomach ion fractionation device in the embodiment of the present invention one.
Fig. 3 is water middle-jiao yang, function of the spleen and stomach ion fractionation device in the embodiment of the present invention two.
Fig. 4 is water middle-jiao yang, function of the spleen and stomach ion fractionation 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.
Such as figure embodiment one
Heavy metal ion content detection device in water as shown in Figure 1, including controller 7, and be electrically connected with controller 7
Water middle-jiao yang, function of the spleen and stomach ion fractionation device.
Wherein water middle-jiao yang, function of the spleen and stomach ion fractionation 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,
The outlet of separating flow tract is equipped with the split-flow baffles 6 of N block uniform intervals setting parallel with electric field negative electrode tab 3 is separated, thus will separation
The outlet of runner is divided into the identical shunting subexit of N+1 amount of capacity, and the value of N is the natural number more than or equal to 2, will divide certainly
From electric field negative electrode tab to separation electric field positive plate between split-flow baffles be successively denoted as first piece of split-flow baffles, second piece shunt every
Plate ... nth block split-flow baffles；As N=2, the shunting that will be formed between first piece of split-flow baffles and second piece of split-flow baffles
Subexit is denoted as detection outlet；As N=3, by the shunting formed between first piece of split-flow baffles and second piece of split-flow baffles
Outlet is denoted as detection outlet, or the shunting subexit formed between second piece of split-flow baffles and third block split-flow baffles is denoted as inspection
Measure mouth；As N=4, the shunting subexit formed between second piece of split-flow baffles and third block split-flow baffles is denoted as detection
Outlet, or the shunting subexit formed between third block split-flow baffles and the 4th piece of split-flow baffles is denoted as detection outlet；Work as N=
When 5 or more natural number, it is detection outlet that either one or two of two most intermediate shunting subexits, which are mixed postscript,；
TDS detecting element 8, for detecting the TDS value from the water of detection outlet outflow, by the survey of the TDS detecting element 8
Measure result as in the water for flowing through heavy metal ion content detection device whether the foundation containing heavy metal ion, as long as TDS inspection
The TDS value non-zero for surveying element testing, then show to contain heavy metal in water.
N=3 in the present embodiment, certainly, N can take the arbitrary value in natural number.
The positive and negative pole tension of external stabilized power is provided by the controller 7；TDS detecting element 8 is connect with controller 7；Separately
Outside further include being connect with controller 7 for showing the display unit 9 of TDS detecting element testing result, is arranged in separating flow tract
Flowmeter connected to the controller 10 before entrance, for detecting the comparison TDS inspection of TDS value in the water for flowing into separating flow tract entrance
Element 11 is surveyed, comparison TDS detecting element is connect with controller 7；And alarm 12 connected to the controller, and and controller
The operation input unit 13 of connection is in addition.In the present embodiment, if the testing result of TDS detecting element is greater than comparison TDS detection
The testing result of element can also directly show to flow through in the water of heavy metal ion content detection device and contain heavy metal.
The working principle of water middle-jiao yang, function of the spleen and stomach ion fractionation 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 cation different in water, pass through by
The shunting subexit formed between first piece of split-flow baffles and second piece of split-flow baffles is denoted as detection outlet, so that it may will be most of
Separation of heavy metal ions simultaneously detected.
Embodiment two
What is different from the first embodiment is that three pieces of split-flow baffles are not evenly spaced on, referring to shown in figure, 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 1/15~1/8
Between metal cation can be formed between first piece of split-flow baffles and separating flow tract inner wall shunting subexit outflow；
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 gold than lotus between 1/15~1/8 to 1/28~1/20 such as silver ion, cadmium ion
Belong to 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. are than lotus 1/28~1/20 to 1/45~1/
The shunting subexit that metal cation between 40 can be formed between second piece of split-flow baffles and third block split-flow baffles
Outflow.
It is detected at this point, the shunting subexit formed between second piece of split-flow baffles and third block split-flow baffles is denoted as
Mouthful, it can the more accurate heavy metal ion effectively detected in water.
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:
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；
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 is detected at this point, the shunting subexit formed between first piece of split-flow baffles and second piece of split-flow baffles is denoted as
Mouthful, it also can the more accurate heavy metal ion effectively detected in water.
Claims (9)
1. heavy metal ion content detection device in a kind of water, it is characterised in that: include water middle-jiao yang, function of the spleen and stomach ion fractionation device, in the water
Cation separation 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, 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, separation are formed between separation electric field positive plate rear end and separation electric field negative electrode tab rear end
The outlet of runner is equipped with N block and the split-flow baffles for separating the setting of electric field negative electrode tab parallel interval, thus by the outlet of separating flow tract
It is divided into N+1 shunting subexit, the value of N is the natural number more than or equal to 2；It will be from separation electric field negative electrode tab to separation electric field just
Split-flow baffles between pole piece be successively denoted as first piece of split-flow baffles, second piece of split-flow baffles ... nth block split-flow baffles；Work as N
When=2, the shunting subexit formed between first piece of split-flow baffles and second piece of split-flow baffles is denoted as detection outlet；Work as N=3
When, the shunting subexit formed between first piece of split-flow baffles and second piece of split-flow baffles is denoted as detection outlet, or by second
The shunting subexit formed between block split-flow baffles and third block split-flow baffles is denoted as detection outlet；As N=4, by second piece
The shunting subexit formed between split-flow baffles and third block split-flow baffles be denoted as detection outlet, or by third block split-flow baffles with
The shunting subexit formed between 4th piece of split-flow baffles is denoted as detection outlet；It, will be most intermediate when the natural number of N=5 or more
Either one or two of two shunting subexits mixing postscript be detection outlet；
TDS detecting element, for detecting the TDS value from the water of detection outlet outflow, by the measurement result of the TDS detecting element
As in the water for flowing through heavy metal ion content detection device whether the foundation containing heavy metal ion.
2. heavy metal ion content detection device in water according to claim 1, it is characterised in that: as N=2:
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；
As N=3:
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 1/28~1/20；
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, at this point, by the shunting formed between first piece of split-flow baffles and second piece of split-flow baffles son
Outlet is denoted as detection outlet.
3. zwitterion separator in water according to claim 1, it is characterised in that: the external stabilized power is positive and negative
Voltage between pole is less than or equal to 2V.
4. zwitterion separator in water according to claim 1, it is characterised in that: separation electric field cathode leaf length with
It is identical to separate electric field anode leaf length.
5. heavy metal ion content detection device in water described in claim according to claim 1~any one of 4, special
Sign is: further including controller, the positive and negative pole tension of external stabilized power is provided by the controller；TDS detecting element and control
Device connection；It additionally includes connected to the controller for showing the display unit of TDS detecting element testing result.
6. heavy metal ion content detection device in water according to claim 5, it is characterised in that: further include for detecting
The flowmeter of the flow velocity of the water of separating flow tract entrance is flowed into, which connect with controller.
7. heavy metal ion content detection device in water according to claim 5, it is characterised in that: further include for detecting
The comparison TDS detecting element of TDS value in the water of separating flow tract entrance is flowed into, comparison TDS detecting element is connect with controller, such as
The testing result of fruit TDS detecting element is greater than the testing result of comparison TDS detecting element, then shows to flow through heavy metal ion content
Contain heavy metal in the water of detection device.
8. heavy metal ion content detection device in water according to claim 5, it is characterised in that: further include and controller
The alarm of connection.
9. heavy metal ion content detection device in water according to claim 5, it is characterised in that: further include and controller
The operation input unit of connection.
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| CN208109812U (en) * | 2017-12-29 | 2018-11-16 | 宁波方太厨具有限公司 | Heavy metal ion content detection device in a kind of water |
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| CN103073096A (en) * | 2013-02-26 | 2013-05-01 | 昆明理工大学 | Device for processing charged ions in waste water through electromagnetism with electrodialysis |
| KR20160082744A (en) * | 2014-12-29 | 2016-07-11 | 코웨이 주식회사 | Deionization filter device and water treatment apparatus having the same |
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