CN106732239B - The device and its application method of zwitterion continuity separation in a kind of solution - Google Patents
The device and its application method of zwitterion continuity separation in a kind of solution Download PDFInfo
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- CN106732239B CN106732239B CN201710032943.6A CN201710032943A CN106732239B CN 106732239 B CN106732239 B CN 106732239B CN 201710032943 A CN201710032943 A CN 201710032943A CN 106732239 B CN106732239 B CN 106732239B
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
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Abstract
The device and its application method, the device separated the invention discloses zwitterion continuity in a kind of solution includes central cylindrical membrane electrode, arc to electrode, drum type brake insulation crust, motor control assembly, external power supply, flexible contact type sealing unit；Central cylindrical membrane electrode has automatically controlled ion exchanging function, center membrane electrode and outer arcuate are evenly divided into raw material liquid chamber and regeneration liquid chamber to the annular compartment between electrode by flexible contact type sealing unit, and material liquid and regenerated liquid are injected separately into raw material liquid chamber and regeneration liquid chamber, in center membrane electrode and outer arcuate to applying different current potentials respectively on electrode and controlling the rotation of respective electrode, membrane electrode can be made to be continuously finished the desorption of the absorption of object ion in material liquid and membrane electrode in regenerated liquid.For the present invention without switching fluid path, sealing effect is good, easy to operate；Effects of ion is directly in membrane electrode surface suction/desorption, and ion transport speed is fast, separative efficiency is high, and membrane electrode can be with continuous operation.
Description
Technical field
The device and its application method separated the present invention relates to zwitterion continuity in a kind of solution, belongs to ion isolation
With recovery technology field.
Background technique
Often contain various metals and nonmetallic ion impurity in material liquid and intermediate product in industrial processes,
These trace impurity ions meeting etching reactor induces side reaction, and then reduces reaction efficiency and product purity.Especially in recent years
The discharge for coming the toxic metal containing difficult for biological degradation or nonmetallic ion waste water is increasing, the drinking water caused therefrom and
Food-safety problem is commonplace.Contained toxic metal or nonmetallic ion such as rare earth and other expensive in another aspect industrial wastewater
Metal etc. is also a kind of important strategic resource, therefore efficiently separates from solution and recycle these ions, not only be can achieve
The dual purpose of energy-saving and emission-reduction and resource utilization, and there is important strategic importance for economic sustainable development.
Main method of the processing containing ion waste water includes the precipitation method, absorption method, ion-exchange, UF membrane in industry at present
Method, solvent extraction, oxidation/reduction method and biologic treating technique.But the method for these traditional processing ion waste waters is in reality
All have the defects that in operation it is certain, it is at high cost and chemical reaction and ion isolation matrix regenerative process be easy to produce secondary dirt
Dye, thus seek at normal temperature can with continuous operation, sealing effect is excellent, structure is simple and convenient to operate, it is low to consume energy, separation is high
Effect, novel ion separation and recovery technology without secondary pollution always handle the emphasis studied containing ion waste water.
Automatically controlled ion exchange (Electrochemically switched ion exchange, ESIX) is a kind of novel
Ion isolation recovery technology.Specifically electroactive ion exchange material is deposited to, membrane electrode is made on conducting base, utilized
The automatically controlled ion exchange property of electroactive ion exchange material controls membrane electrode in oxidation and reducing condition by electrochemical method
Between convert, reversible merging and release ion from solution, and then realize the controllable separation of ion and recycling for membrane electrode.
Conventional ESIX be mainly used to separate and recover single cation or anion (such as Electrochim. Acta,
2001, 47: 741; 2013, 87: 119;Environ. Sci. Technol., 2006,40:4004) but these
Operation usually carries out under intermittent condition, and operational efficiency is low, it is difficult to realize industrial applications.By ESIX technology and membrane separation technique
In conjunction with may be implemented, object ion is continuously automatically controlled to be separated and recycles.Chinese patent CN102583664A discloses a kind of using ion
Exchange membrane and one group of ESIX membrane electrode assembly at diaphragm type reactor, by alternately giving membrane electrode to apply oxidation/reduction current potential, knot
Closing external liquid-supplying system may be implemented the continuous automatically controlled separation and recovery of single ionic, but the system operation procedure is complicated and needs attached
It is powered on road and fluid path switching system, operating cost is high.Chinese patent CN102718292A discloses a kind of double septum electrode reactions
Device realizes anions and canons continuity point using double diaphragm selected area update strategy electrodes and under the electric field force effect that auxiliary electrode applies
From.The separating technology is without switching fluid path, but ion needs to pass through septum electrode, and the transmitting resistance of ion is big, low separation efficiency
And it needs to apply external electrical field inconvenient.Chinese patent CN104587835A discloses a kind of telescopic reactor, passes through control
The unlatching and closure of concentric bilayer sleeve inert electrode processed alternately regulate and control the oxidation/reduction current potential of membrane electrode in conjunction with external power supply
The continuous separation and recovery to anions and canons, but the process requirement adjunct circuit and fluid path switching system may be implemented.Meanwhile it should
Because not accounting for the separation sealing problem for the treatment of fluid and regenerated liquid, treatment fluid and regenerated liquid coenecium can generate mutually dry technique
It disturbs, reduces separative efficiency, be unfavorable for industrial applications.
Summary of the invention
The present invention is intended to provide the device that zwitterion continuity separates in a kind of solution, its main feature is that in no adjunct circuit
The rotation of electrode is realized in solution using central cylindrical membrane electrode or outer arcuate under conditions of fluid path switching system
The continuous separation of object ion is not necessarily to electroactive ion exchanging function film, and sealing effect is good, and ion isolation is high-efficient, operation letter
It is single, it is easy to accomplish industrialization.The present invention also provides the application methods of the device.
The present invention provides in a kind of solution zwitterion continuity separate device, including central cylindrical membrane electrode,
Flexible contact type sealing unit, arc are to electrode, drum type brake insulation crust, motor control assembly and external power supply；
The central cylindrical membrane electrode and drum type brake insulation crust are coaxial；
The central cylindrical membrane electrode is made of cylindric membrane electrode conducting base and electroactive ion exchanging function film,
Electroactive ion exchanging function film is located on the outside of cylindric membrane electrode conducting base, and electroactive ion exchanging function film is ring block
Structure is staggered to form an annulus with flexible contact type sealing unit, set between the annulus and drum type brake insulation crust
Have arc to electrode, arc is distributed between flexible contact type sealing unit electrode gap, arc to electrode and it is electroactive from
Sub- function of exchange film is oppositely arranged, and does not change both in rotation process, there is annular compartment, and flexible contact therebetween
Annular compartment is divided evenly into raw material liquid chamber and regeneration liquid chamber by formula sealing unit, and two adjacent annular compartments are raw material respectively
Liquid chamber and regeneration liquid chamber, raw material liquid chamber and regeneration liquid chamber mutually no leakage closed, between the two；Below raw material liquid chamber be equipped with into
Liquid mouth, the top for regenerating liquid chamber are equipped with liquid outlet；Central cylindrical membrane electrode and arc connect electrode by external power supply；
The motor control assembly includes controller, input converter, CPU, output translator, velocity sensor；
Cylindric membrane electrode conducting base and outer arcuate can occur electrode relatively under the action of motor control assembly
Rotary motion；
Flexible contact type sealing unit includes static block and moving mass, and wherein static block is fixed in drum type brake insulation crust
Side is equably interspersed and separates in two arcs between electrode and arc to electrode insulation, and moving mass is fixed on cylinder
On shape membrane electrode conducting base, by hinge-type knife edge, column type bulb fixator, spring, drum type brake Spring retainer group
At arcuate structure, moving mass can rotate together with cylindric membrane electrode conducting base；Central angle corresponding to the moving mass
It is bigger to central angle corresponding to electrode than outer arcuate, form Corner Seal.
In above-mentioned apparatus, hinge-type knife edge is made of dynamic page, quiet page and bottom plate in moving mass, and dynamic page and quiet page pass through
Shaft connection, quiet page and bottom plate are entirety made of punching press, are fixed respectively in the method for welding or expanded joint on dynamic page and quiet page
Column type bulb fixator, and drum type brake Spring retainer is then fixed in a manner of socket with the column type bulb on dynamic page and quiet page
Device connection, spring are then directly sleeved on drum type brake Spring retainer and contact both ends of the spring with dynamic page and quiet page respectively, make
There is 2 ~ 3 millimeters of deformation quantity in page, in moving mass in cylindric membrane electrode conducting base rotary course, when dynamic radially
Page with static block contact when due to be pressed against each other make page be deformed radially make spring by compression generation elastic force, in turn
Guarantee that dynamic page can be in close contact with static block always.
In above-mentioned apparatus, the static block is the arcuate structure made of wear-resistant material or insulating materials, the conjunction of moving mass
Page knife edge be made of quiet page and wear-resistant material move page form, move page under the action of moving mass contained spring along
It is radial that deformation occurs.Dynamic page fits closely during as moving mass rotates with static block.
In above-mentioned apparatus, electroactive ion exchanging function film is deposited on two neighboring flexible contact type sealing unit and cylinder
In the fan groove that shape membrane electrode conducting base is constituted.
In above-mentioned apparatus, flexible contact type sealing unit is in drum type brake insulation crust and cylindric membrane electrode conducting base
Between be circumferentially equably interspersed it is several right, the electroactive ion exchanging function membrane material of central cylindrical membrane electrode and
Outer arcuate is equably staggeredly divided into mutually closed, without leakage pairs of raw material liquid chamber to each other to the annular compartment between electrode
With regeneration liquid chamber.
In above-mentioned apparatus, the material of the electroactive ion exchanging function film is the energy under electrochemical oxidation/reduction potential
Enough object ion selectivity suction/desorption is organic and inorganic or its compound electroactive material for control.Further, the electricity is living
Property material be the compound electroactive material of polyaniline, the metal iron cyanide or both.
In above-mentioned apparatus, the inert electrode that the arc is made of electrode stainless steel or graphite material, with arc knot
Structure is distributed evenly in raw material liquid chamber and regeneration liquid chamber, is insulated each other by flexible contact type sealing unit.
In above-mentioned apparatus, cylindric membrane electrode conducting base center is equipped with central rotating shaft axis hole.
The present invention provides the application methods for the device that zwitterion continuity in a kind of solution separates, and mainly include following
Step:
Material liquid to be processed containing object ion and regenerated liquid are continuously inputted respectively and are equably interspersed in center
The electroactive ion exchange membrane material and arc of cylindric membrane electrode are to the raw material liquid chamber and regeneration liquid chamber between electrode, at center
Cylindric membrane electrode and outer arcuate are revolved by motor control assembly coordination electrode to applying different current potentials on electrode respectively
Turn, connects membrane electrode to desorption and regeneration of the membrane electrode after the absorption and adsorption saturation of object ion in material liquid in regenerated liquid
It is continuous to complete, and then realize continuous separation automatically controlled to the high efficiency synchronous of object ion in solution.
In above-mentioned application method, when cation separation, the cylindric membrane electrode of the external power supply control centre and outer arc
Shape makes the electricity for rotating to raw material liquid chamber to the outer arcuate for being located at raw material liquid chamber to high potential is applied on electrode to electrode potential
Active ion function of exchange membrane material is in electrochemical reduction current potential, target cationic selective absorption under the action of electric field force
In on central cylindrical membrane electrode；And make to rotate to again to low potential is applied on electrode to the outer arcuate for being located at regeneration liquid chamber
The electroactive ion exchanging function membrane material of raw liquid chamber is in electrochemical oxidation current potential, is adsorbed on electroactive ion exchanging function
Target cationic on membrane material is set to outside membrane under the action of electric field force；
When Anion separation, the cylindric membrane electrode of the external power supply control centre and outer arcuate give electrode potential
Outer arcuate positioned at raw material liquid chamber makes the electroactive ion exchanging function for rotating to raw material liquid chamber to low potential is applied on electrode
Membrane material is in electrochemical oxidation current potential, and selective absorption is electric in central cylindrical film under the action of electric field force for desired anion
On extremely；And to the outer arcuate for being located at regeneration liquid chamber to high potential is applied on electrode, make to rotate to regeneration liquid chamber it is electroactive from
Sub- function of exchange membrane material is in electrochemical reduction current potential, the target yin being adsorbed on electroactive ion exchanging function membrane material
Ion is set to outside membrane under the action of electric field force.
Desorption and regeneration of the membrane electrode to the absorption of object ion in material liquid and membrane electrode in regenerated liquid in the present invention
It is continuously finished, raw material liquid chamber and regeneration liquid chamber are mutually closed during this, realize the high efficiency synchronous electricity to object ion in solution
The continuous separation of control and recycling.The present invention has the advantage that
(1) apparatus of the present invention are easy to operate, and continuous operation is at low cost；Switch without circuit, simple process；
(2) present invention switches without fluid path, and the sealing performance of device is excellent, and treatment fluid and regenerated liquid respectively enter respectively
It is not interfere with each other from liquid chamber；Membrane electrode and solution directly contact, without passing through diaphragm；
(3) for the present invention compared to traditional absorption and ion exchange, the chief motivation of automatically controlled ion exchange process is electricity
Electrode potential, therefore ion transport is high-efficient and can be applied to the processing of low concentration ion waste liquid；
(4) ion isolation matrix is not necessarily to chemical regeneration, eliminates the secondary pollution generated using chemical regenerant, is a kind of
Environmentally friendly high efficient separation technology；
(5) resistance of charge transfer is small, and adsorption capacity is big, rate is fast, regeneration efficiency is high.
Detailed description of the invention
Fig. 1 is the main view of apparatus of the present invention.
Fig. 2 is the cross-sectional view in Fig. 1 along line B-B.
Fig. 3 is the cross-sectional view in Fig. 2 along line A-A.
Fig. 4 is the enlarged diagram of flexible contact type sealing unit at C in Fig. 2.
Fig. 5 is the schematic diagram for simulating moving mass rotary course in flexible contact type sealing unit.
Fig. 6 is apparatus of the present invention continuously selective suction/desorption cation schematic diagram.
Fig. 7 is the schematic diagram that anion is continuously selectively inhaled/be desorbed to apparatus of the present invention.
In figure: 1- liquid outlet；The cylindric membrane electrode conducting base of 2-；The electroactive ion exchanging function film of 3-；4- arc pair
Electrode；5- inlet；6- raw material liquid chamber；7- keyway；8- central rotating shaft axis hole；9- regenerates liquid chamber；10- drum type brake insulation crust；
C- flexible contact type sealing unit；11- static block；12- moving mass；13- moves page；14- hinge shaft；The quiet page of 15-；16- spring；
17- drum type brake Spring retainer；18- column type bulb fixator；19- bottom plate.
Specific embodiment
The present invention is further illustrated below by embodiment, but is not limited to following embodiment.
Embodiment 1:
As shown in Fig. 1 ~ 5, the device of zwitterion continuity separation in a kind of solution, including central cylindrical membrane electrode,
Flexible contact type sealing unit, arc are to electrode, drum type brake insulation crust, motor control assembly and external power supply；
The central cylindrical membrane electrode and drum type brake insulation crust 10 are coaxial；
The central cylindrical membrane electrode is by 3 groups of cylindric membrane electrode conducting base 2 and electroactive ion exchanging function film
At electroactive ion exchanging function film 3 is located at cylindric 2 outside of membrane electrode conducting base, and electroactive ion exchanging function film 3 is
Annular block structure is staggered to form an annulus with flexible contact type sealing unit C, the annulus and drum type brake insulation crust
Arc is equipped between 10 to electrode 4, arc is distributed between flexible contact type sealing unit C electrode 4, and arc is to electrode
4 are oppositely arranged with electroactive ion exchanging function film 3, do not change both in rotation process, there is annular chamber therebetween
Room, and annular compartment is divided evenly into raw material liquid chamber 6 and regeneration liquid chamber 9, two adjacent rings by flexible contact type sealing unit C
Shape chamber be respectively raw material liquid chamber 6 and regeneration liquid chamber 9, raw material liquid chamber 6 and regeneration liquid chamber 9 mutually no leakage closed, between the two；
Inlet 5 is equipped with below raw material liquid chamber 6, the top of regeneration liquid chamber 9 is equipped with liquid outlet 1；Central cylindrical membrane electrode and arc
Electrode 4 is connected by external power supply；
The motor control assembly includes controller, input converter, CPU, output translator, velocity sensor；
To electrode 4 phase can occur under the action of motor control assembly for cylindric membrane electrode conducting base 2 and outer arcuate
To rotary motion；
Flexible contact type sealing unit includes static block 11 and moving mass 12, and wherein static block 11 is fixed on drum type brake insulation
10 inside of shell is equably interspersed and insulate separately in two arcs between electrode 4 and arc to electrode 4, moving mass
12 are fixed on cylindric membrane electrode conducting base 2, by hinge-type knife edge, column type bulb fixator 18, spring 16, circle
The arcuate structure that cartridge type Spring retainer 17 forms, moving mass 12 can be rotated together with cylindric membrane electrode conducting base 2；It is described
Central angle corresponding to moving mass 12 is bigger to central angle corresponding to electrode 4 than outer arcuate, forms Corner Seal.
In above-mentioned apparatus, hinge-type knife edge is made of dynamic page 13, quiet page 15 and bottom plate 19 in moving mass 12, moves page 13
It is connected with quiet page 15 by hinge shaft 14, quiet page 15 and bottom plate 19 are entirety made of punching press, on dynamic page 13 and quiet page 15
Respectively to weld or the fixed column type bulb fixator 18 of the method for expanded joint, and drum type brake Spring retainer 17 is then in a manner of being socketed
It is connect with the column type bulb fixator 18 on dynamic page 13 and quiet page 15, spring 16 is then directly sleeved on drum type brake Spring retainer 17
It above and contacts 16 both ends of spring with dynamic page 13 and quiet page 15 respectively, page 13 is made to there is 2 ~ 3 millimeters of deformation quantity radially,
In moving mass 12 in cylindric 2 rotary course of membrane electrode conducting base, when dynamic page 13 is contacted with static block 11 due to that
This extruding make page be deformed radially make spring by compression generate elastic force, and then guarantee move page 13 can always with it is static
Block 11 is in close contact.
In above-mentioned apparatus, the static block 11 is the arcuate structure made of wear-resistant material or insulating materials, moving mass 12
Hinge-type knife edge be made of quiet page and wear-resistant material move page form, move page under the action of moving mass contained spring
Along radial direction, deformation occurs.Dynamic page fits closely during as moving mass rotates with static block.
In above-mentioned apparatus, electroactive ion exchanging function film 3 is deposited on two neighboring flexible contact type sealing unit and circle
In the fan groove that columnar membrane electrodes conduct matrix is constituted.
In above-mentioned apparatus, flexible contact type sealing unit C is conductive in drum type brake insulation crust 10 and cylindric membrane electrode
It is several right to be circumferentially equably interspersed between matrix 2, the electroactive ion exchanging function film of central cylindrical membrane electrode
Material and outer arcuate are equably staggeredly divided into mutually closed, without leakage pairs of original to each other to the annular compartment between electrode
Feed compartment and regeneration liquid chamber.
In above-mentioned apparatus, the material of the electroactive ion exchanging function film 3 is the energy under electrochemical oxidation/reduction potential
Enough object ion selectivity suction/desorption is organic and inorganic or its compound electroactive material for control.Further, the electricity is living
Property material be the compound electroactive material of polyaniline, the metal iron cyanide or both.
In above-mentioned apparatus, the inert electrode that the arc is made of electrode 4 stainless steel or graphite material, with arc knot
Structure is distributed evenly in raw material liquid chamber and regeneration liquid chamber, is insulated each other by flexible contact type sealing unit.
In above-mentioned apparatus, cylindric 2 center of membrane electrode conducting base is equipped with central rotating shaft axis hole 8 and keyway 7.
The present invention provides the application methods for the device that zwitterion continuity in a kind of solution separates, and mainly include following
Step:
Material liquid to be processed containing object ion and regenerated liquid are continuously inputted respectively and are equably interspersed in center
The electroactive ion exchange membrane material and arc of cylindric membrane electrode are to the raw material liquid chamber and regeneration liquid chamber between electrode, at center
Cylindric membrane electrode and outer arcuate are revolved by motor control assembly coordination electrode to applying different current potentials on electrode respectively
Turn, connects membrane electrode to desorption and regeneration of the membrane electrode after the absorption and adsorption saturation of object ion in material liquid in regenerated liquid
It is continuous to complete, and then realize continuous separation automatically controlled to the high efficiency synchronous of object ion in solution.As shown in Fig. 6 and Fig. 7.
In above-mentioned application method, when cation separation, the cylindric membrane electrode of the external power supply control centre and outer arc
Shape makes the electricity for rotating to raw material liquid chamber to the outer arcuate for being located at raw material liquid chamber to high potential is applied on electrode to electrode potential
Active ion function of exchange membrane material is in electrochemical reduction current potential, target cationic selective absorption under the action of electric field force
In on central cylindrical membrane electrode；And make to rotate to again to low potential is applied on electrode to the outer arcuate for being located at regeneration liquid chamber
The electroactive ion exchanging function membrane material of raw liquid chamber is in electrochemical oxidation current potential, is adsorbed on electroactive ion exchanging function
Target cationic on membrane material is set to outside membrane under the action of electric field force；
When Anion separation, the cylindric membrane electrode of the external power supply control centre and outer arcuate give electrode potential
Outer arcuate positioned at raw material liquid chamber makes the electroactive ion exchanging function for rotating to raw material liquid chamber to low potential is applied on electrode
Membrane material is in electrochemical oxidation current potential, and selective absorption is electric in central cylindrical film under the action of electric field force for desired anion
On extremely；And to the outer arcuate for being located at regeneration liquid chamber to high potential is applied on electrode, make to rotate to regeneration liquid chamber it is electroactive from
Sub- function of exchange membrane material is in electrochemical reduction current potential, the target yin being adsorbed on electroactive ion exchanging function membrane material
Ion is set to outside membrane under the action of electric field force.
Claims (10)
1. the device that zwitterion continuity separates in a kind of solution, including central cylindrical membrane electrode, arc are to electrode, cylinder
Formula insulation crust, motor control assembly and external power supply；It is characterized by also including flexible contact type sealing units；
The central cylindrical membrane electrode and drum type brake insulation crust are coaxial；
The central cylindrical membrane electrode is made of cylindric membrane electrode conducting base and electroactive ion exchanging function film, and electricity is living
Property ion exchanging function film be located on the outside of cylindric membrane electrode conducting base, electroactive ion exchanging function film is annular agllutination
Structure is staggered to form an annulus with flexible contact type sealing unit, be equipped between the annulus and drum type brake insulation crust
Arc is distributed between flexible contact type sealing unit electrode, arc to electrode gap, and arc is to electrode and electroactive ion
Function of exchange film is oppositely arranged, and does not change both in rotation process, there is annular compartment, and flexible contact type therebetween
Annular compartment is divided evenly into raw material liquid chamber and regeneration liquid chamber by sealing unit, and two adjacent annular compartments are material liquid respectively
Room and regeneration liquid chamber, raw material liquid chamber and regeneration liquid chamber mutually no leakage closed, between the two；Feed liquor is equipped with below raw material liquid chamber
Mouthful, the top for regenerating liquid chamber is equipped with liquid outlet；Central cylindrical membrane electrode and arc connect electrode by external power supply；
The motor control assembly includes controller, input converter, CPU, output translator, velocity sensor；
To electrode relative rotation can occur under the action of motor control assembly for cylindric membrane electrode conducting base and outer arcuate
Movement；
Flexible contact type sealing unit includes static block and moving mass, and wherein static block is fixed on the inside of drum type brake insulation crust,
It is equably interspersed and is separated in two arcs between electrode and arc to electrode insulation, moving mass is fixed on cylindric film
On electrodes conduct matrix, it is made of hinge-type knife edge, column type bulb fixator, spring, drum type brake Spring retainer
Arcuate structure, moving mass can be rotated together with cylindric membrane electrode conducting base；Central angle corresponding to the moving mass than
Outer arcuate is big to central angle corresponding to electrode, forms Corner Seal.
2. the device that zwitterion continuity separates in solution according to claim 1, it is characterised in that: the moving mass
Middle hinge-type knife edge is made of dynamic page, quiet page and bottom plate, and dynamic page is connected with quiet page by shaft, and quiet page and bottom plate are punching press
Manufactured entirety, respectively to weld or the fixed column type bulb fixator of the method for expanded joint on dynamic page and quiet page, and drum type brake
Spring retainer is then connect in a manner of being socketed with the column type bulb fixator on dynamic page and quiet page, and spring is directly sleeved on drum type brake
It on Spring retainer and contacts both ends of the spring with dynamic page and quiet page respectively, page is made to there is 2 ~ 3 millimeters of deformation radially
Amount.
3. the device that zwitterion continuity separates in solution according to claim 2, it is characterised in that: the static block
It is the arcuate structure made of wear-resistant material or insulating materials, the dynamic page is made of wear-resistant material；Page is moved with moving mass
It is fitted closely during rotation with static block.
4. the device that zwitterion continuity separates in solution according to claim 1, it is characterised in that: flexible contact type
Sealing unit is the number that is circumferentially equably interspersed between drum type brake insulation crust and cylindric membrane electrode conducting base
It is right, the electroactive ion exchanging function membrane material and outer arcuate of central cylindrical membrane electrode to the annular compartment between electrode
Equably staggeredly be divided into mutually it is closed, to each other without leakage pairs of raw material liquid chamber and regeneration liquid chamber.
5. the device that zwitterion continuity separates in solution according to claim 1, it is characterised in that: described electroactive
The material of ion exchanging function film is that object ion selectivity suction/desorption can be controlled under electrochemical oxidation/reduction potential
Organic and inorganic or its compound electroactive material.
6. the device that zwitterion continuity separates in solution according to claim 5, it is characterised in that: described electroactive
Material is the compound electroactive material of polyaniline, the metal iron cyanide or both.
7. the device that zwitterion continuity separates in solution according to claim 1, it is characterised in that: the arc pair
The inert electrode that electrode is made of stainless steel or graphite material is distributed evenly in raw material liquid chamber and regenerated liquid with arcuate structure
Room is insulated by flexible contact type sealing unit each other.
8. the device that zwitterion continuity separates in solution according to claim 1, it is characterised in that: described cylindric
Membrane electrode conducting base center is equipped with central rotating shaft axis hole.
9. a kind of application method for the device that zwitterion continuity separates in described in any item solution of claim 1 ~ 8,
Be characterized in that the following steps are included:
Material liquid to be processed containing object ion and regenerated liquid are continuously inputted respectively and are equably interspersed in centered cylinder
The electroactive ion exchange membrane material and arc of shape membrane electrode are to the raw material liquid chamber and regeneration liquid chamber between electrode, in centered cylinder
Shape membrane electrode and outer arcuate are rotated by motor control assembly coordination electrode to applying different current potentials on electrode respectively,
Keep membrane electrode continuous to desorption and regeneration of the membrane electrode after the absorption and adsorption saturation of object ion in material liquid in regenerated liquid
It completes, and then realizes continuous separation automatically controlled to the high efficiency synchronous of object ion in solution.
10. the application method of the device of zwitterion continuity separation, special in the solution according to claim 9
Sign be the following steps are included:
When cation separation, the cylindric membrane electrode of the external power supply control centre and outer arcuate are to electrode potential, to being located at
The outer arcuate of raw material liquid chamber makes the electroactive ion exchanging function membrane material for rotating to raw material liquid chamber to high potential is applied on electrode
Material be in electrochemical reduction current potential, target cationic under the action of electric field force selective absorption in central cylindrical membrane electrode
On；And to the outer arcuate for being located at regeneration liquid chamber to low potential is applied on electrode, make the electroactive ion for rotating to regeneration liquid chamber
Function of exchange membrane material is in electrochemical oxidation current potential, be adsorbed on target sun on electroactive ion exchanging function membrane material from
Son is set to outside membrane under the action of electric field force；
When Anion separation, the cylindric membrane electrode of the external power supply control centre and outer arcuate are to electrode potential, to being located at
The outer arcuate of raw material liquid chamber makes the electroactive ion exchanging function membrane material for rotating to raw material liquid chamber to low potential is applied on electrode
Material be in electrochemical oxidation current potential, desired anion under the action of electric field force selective absorption in central cylindrical membrane electrode
On；And to the outer arcuate for being located at regeneration liquid chamber to high potential is applied on electrode, make the electroactive ion for rotating to regeneration liquid chamber
Function of exchange membrane material is in electrochemical reduction current potential, be adsorbed on target yin on electroactive ion exchanging function membrane material from
Son is set to outside membrane under the action of electric field force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032943.6A CN106732239B (en) | 2017-01-18 | 2017-01-18 | The device and its application method of zwitterion continuity separation in a kind of solution |
Applications Claiming Priority (1)
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| CN105948188A (en) * | 2016-06-29 | 2016-09-21 | 太原理工大学 | Continuous electric-control ionic separation device and process |
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| CN105948188A (en) * | 2016-06-29 | 2016-09-21 | 太原理工大学 | Continuous electric-control ionic separation device and process |
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