CN105668723B - Capacitor deionizing instrument, system and capacitive deionization method - Google Patents

Capacitor deionizing instrument, system and capacitive deionization method Download PDF

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Publication number
CN105668723B
CN105668723B CN201610133985.4A CN201610133985A CN105668723B CN 105668723 B CN105668723 B CN 105668723B CN 201610133985 A CN201610133985 A CN 201610133985A CN 105668723 B CN105668723 B CN 105668723B
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water
capacitor
deionizing instrument
capacitor deionizing
electrode
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CN105668723A (en
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李海波
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Ningxia University
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Ningxia University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4691Capacitive deionisation

Abstract

Capacitor deionizing instrument, it include: electrode pair, electrode is to support frame, plexiglass box, collector for energization, outlet pipe for being connected to the water inlet pipe of former pond and for being connected to water purifying tank, electrode includes that the first electrode being oppositely arranged puts face to support frame, second electrode puts face, water inlet and water outlet, all electrodes pair and all electrodes are respectively positioned in plexiglass box support frame, plexiglass box is a kind of sealing container of thick inner wall, water inlet pipe passes through plexiglass box and is communicated to water inlet, outlet pipe passes through plexiglass box and is communicated to water outlet, when being packed into pending water in capacitor deionizing instrument, after the collector being in contact with pending water is powered, capacitor deionizing instrument carries out capacitive deionization operation to pending water.The embodiment of the present invention also provides a kind of capacitive deionization system and a kind of capacitive deionization method.

Description

Capacitor deionizing instrument, system and capacitive deionization method
Technical field
The present invention relates to capacitive deionization technical field, in particular to a kind of capacitor deionizing instrument, system and capacitor are gone Ion method.
Background technique
Traditional capacitance deionizer is will be a pair of or several be placed on two capacitive deionizations to the adsorption electrode being placed in parallel Among module, it is placed in capacitor deionizing instrument in water flow, when water flow flows through adsorption electrode, the ion in solution can be adsorbed On the electrode, solution concentration is reduced, this mode will increase the internal resistance of entire electrode, after causing operating cost excessively high Fruit.Further, since the reason of water self gravity, water flow can not cover entire electrode, cause the drop of the effective contact area of electrode It is low.
Summary of the invention
In view of this, it is necessary to provide a kind of capacitor deionizing instrument, system and capacitive deionization methods.
The embodiment of the present invention provides a kind of capacitor deionizing instrument characterized by comprising electrode is to, electrode to support Frame, plexiglass box, for the collector of energization, the water inlet pipe for being connected to former pond and for being connected to water purifying tank Outlet pipe, the electrode include the first electrode storing face being oppositely arranged, second electrode storing face, water inlet to support frame and go out The mouth of a river, the electrode to including the first carbon resistance rod and the second carbon electrode, put face and be placed with first carbon resistance rod by first electrode, The second electrode puts face and is placed with second carbon resistance rod, useful between first carbon resistance rod and second carbon resistance rod In the water storage hollow structure for putting the pending water from former pond, the water storage hollow structure and the water inlet and it is described go out The mouth of a river is connected;The capacitor deionizing instrument includes that at least two pairs of electrodes pair and at least two are used to support placement institute The electrode of electrode pair is stated to support frame, is placed with amberplex between the two neighboring electrode pair;All electrodes pair And all electrodes are respectively positioned in the plexiglass box support frame, the plexiglass box is a kind of thick inner wall Sealing container, the water inlet pipe passes through the plexiglass box and is communicated to the water inlet, and the outlet pipe passes through described Plexiglass box is communicated to the water outlet, when being packed into the pending water in the capacitor deionizing instrument, with it is described to After the collector energization for handling water phase contact, the capacitor deionizing instrument carries out capacitive deionization to the pending water Operation.
The embodiment of the present invention also provides a kind of capacitive deionization system characterized by comprising for holding pending water Former pond, first capacitor deionizer, the second capacitor deionizing instrument, third capacitor deionizing instrument and the 4th capacitor go Ion unit, the water purifying tank for holding after deionization is handled gained water and the transition pond for controlling inflow, are also wrapped Include it is for power supply, with the first capacitor deionizer, second capacitor deionizing instrument, the third capacitor go from The power supply that sub-device and the 4th capacitor deionizing instrument are electrically connected;It states former pond and is connected to the transition pond, the mistake Valve V1, a filter and the first water flow for monitoring water flow concatenated for controlling water flow is crossed on the water pipe in pond Shunt conduit is used after meter, the shunt conduit concatenation valve V2 is connected to the water inlet of the first capacitor deionizer Pipe, the shunt conduit also concatenate the water inlet pipe that valve V3 is connected to the third capacitor deionizing instrument, second capacitor The water inlet pipe of deionizer is connected to the outlet pipe of the first capacitor deionizer, second capacitor deionizing instrument Outlet pipe connect and access valve V4 after the first conductivity meter, the water inlet pipe of the 4th capacitor deionizing instrument is connected to described Outlet pipe the second conductivity meter of series connection of the outlet pipe of third capacitor deionizing instrument, the 4th capacitor deionizing instrument is followed by Enter the valve V4;The valve V4 series connection is for opening the valve of the gained water to the water purifying tank after deionization is handled The water purifying tank, the valve that the valve V4 also connects for making water flow be back to the transition pond are accessed after V5, second flowmeter The transition pond is accessed after door V6, third flowmeter;The transition pond is placed with the liquid level for monitoring the transition water amount Sensor;The first capacitor deionizer, second capacitor deionizing instrument, the third capacitor deionizing instrument and 4th capacitor deionizing instrument is capacitor deionizing instrument above-mentioned.
The embodiment of the present invention also provides a kind of capacitive deionization method, comprising:
Power supply is first capacitor deionizer, the second capacitor deionizing instrument, third capacitor in capacitive deionization system Deionizer, the power supply of the 4th capacitor deionizing instrument, the capacitive deionization system are capacitive deionization system above-mentioned;
Valve V1 in the open capacitive deionization system, in former pond pending water flow through transition pond, filter and Enter shunt conduit after first flowmeter;
Open valve V2, makes the pending water flow into the first capacitor deionizer;
The first capacitor deionizer carries out capacitive deionization processing to the pending water, and will be through described first Treated that water is exported to second capacitor deionizing instrument for capacitor deionizing instrument;
Second capacitor deionizing instrument to it is described through the first capacitor deionizer treated water again into The processing of row capacitive deionization, and will treated that water is exported to valve V4 through second capacitor deionizing instrument;
First conductivity meter measures first conductivity through second capacitor deionizing instrument treated water, if First conductivity is no longer continued to decline compared to the conductivity values that the first conductivity meter last time measures, then is opened Through second capacitor deionizing instrument, treated that water is exported to water purifying tank by described by valve V5;If the first conductivity phase It is continued to decline than the conductivity values that are measured in the first conductivity meter last time, then opens valve V6 for described through described the Treated that water is exported to the transition pond for two capacitor deionizing instruments;
Open valve V3, makes the pending water flow into the third capacitor deionizing instrument;
The third capacitor deionizing instrument carries out capacitive deionization processing to the pending water, and will be through the third Treated that water is exported to the 4th capacitor deionizing instrument for capacitor deionizing instrument;
4th capacitor deionizing instrument to it is described through the third capacitor deionizing instrument treated water again into The processing of row capacitive deionization, and will treated that water is exported to the valve V4 through the 4th capacitor deionizing instrument;
Second conductivity meter measures second conductivity through the 4th capacitor deionizing instrument treated water, if Second conductivity is no longer continued to decline compared to the conductivity values that the second conductivity meter last time measures, then is opened Through the 4th capacitor deionizing instrument, treated that water is exported to the water purifying tank by described by the valve V5;If described second Conductivity is continued to decline compared to the conductivity values that the second conductivity meter last time measures, then opening the valve V6 will It is described that through the 4th capacitor deionizing instrument, treated that water is exported to the transition pond.
Capacitor deionizing instrument provided in an embodiment of the present invention can preferably improve the contact area of water flow and electrode pair And adsorption efficiency, to improve the utilization rate of electrode pair, capacitive deionization system provided in an embodiment of the present invention can be automatically controlled The variation of conductivity and temperature during capacitive deionization process operation improves the efficiency of capacitive deionization technique.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the embodiment of the present invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Attached drawing 1 is the structure composition schematic diagram of the capacitor deionizing instrument of a better embodiment.
Attached drawing 2 is structure composition schematic diagram of the electrode to support frame of a better embodiment.
Attached drawing 3 is structure composition schematic diagram of the electrode to support frame of another better embodiment.
Attached drawing 4 is the structure composition schematic diagram of the capacitive deionization system of a better embodiment.
Wherein, capacitor deionizing instrument 10, electrode put face 111 to support frame 11, first electrode, second electrode puts face 112, water inlet 113, water outlet 114, the first drainage thread fixed edge 115, the second drainage thread fixed edge 116, enter waterside 117, go out Waterside 118, drainage thread 119, plexiglass box 12, water inlet pipe 13, outlet pipe 14, former pond 21, first capacitor deionization dress Set the 221, second capacitor deionizing instrument 222, third capacitor deionizing instrument 223, the 4th capacitor deionizing instrument 224, water purification Pond 23, transition pond 24, power supply 25, the first conductivity meter 261, the second conductivity meter 262, filter 27.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
As shown in Figure 1-Figure 3, the embodiment of the present invention provides a kind of capacitor deionizing instrument 10, can include: electrode to, electricity Extremely to support frame 1, plexiglass box 2, for the collector of energization, the water inlet pipe 13 for being connected to former pond and for connecting It is connected to the outlet pipe 14 of water purifying tank, electrode includes that the first electrode being oppositely arranged puts face 111, second electrode is set to support frame 1 Face 112, water inlet 113 and water outlet 114 are put, for electrode to including the first carbon resistance rod and the second carbon electrode, first electrode puts face It is placed with the first carbon resistance rod, second electrode puts face and is placed with the second carbon resistance rod, has between the first carbon resistance rod and the second carbon resistance rod For putting the water storage hollow structure of the pending water from former pond, water storage hollow structure and water inlet 113 and water outlet 114 It is connected;Capacitor deionizing instrument 10 is used to support the electrode for placing electrode pair including at least two pairs of electrodes pair and at least two To support frame 11, it is placed with amberplex between two neighboring electrode pair, for example, can be in the second carbon electrode and next electricity Amberplex extremely is placed to the position of 11 joint of support frame, makes amberplex and next electrode to the storage of support frame 11 Water hollow structure is in contact;All electrodes pair and all electrodes are respectively positioned in plexiglass box 12 support frame, wherein have Machine glass container 12 is a kind of sealing container of thick inner wall, as shown in Figure 1,10 surrounding of capacitor deionizing instrument is very thick Reinforcing member 122 can also be arranged in order to reinforce plexiglass box 12 in organic glass inside plexiglass box 12, water inlet 13, which pass through plexiglass box 12, is communicated to each electrode to the water inlet 113 of support frame 11, and outlet pipe 14 passes through organic glass Container 12 is communicated to each electrode to the water outlet 114 of support frame 11, when being packed into pending water in capacitor deionizing instrument 10, with After the collector that pending water is in contact is powered, capacitor deionizing instrument carries out capacitive deionization operation to pending water.This hair In bright embodiment, collector can be a kind of graphite flake.
In the embodiment of the present invention, the material of electrode supporting frame can be nylon, can directly be beaten by 3D printing technique It is printed as type, shape, size and the position feature of electrode supporting frame can be programmed into computer by a kind of software program, pass through The control of computer carries out printing manufacture using 3D printing technique.
Electrode supporting frame provided in an embodiment of the present invention can preferably fix electrode pair, improve water flow and adsorption electrode Contact area and adsorption efficiency, and have the characteristics that producing efficiency is high, production cost is low.
In the capacitor deionizing instrument 10 of the embodiment of the present invention, due to the support of plexiglass box 12, when capacitor go from It needs to place 20 pairs of electrode clock synchronizations in sub-device 10,20 electrodes can be used to support frame.Wherein, two neighboring electrode is to branch One carbon electrode of fixed support between support frame.
In the capacitor deionizing instrument 10 of the embodiment of the present invention, electrode is one rectangular to the water storage hollow structure of support frame 11 Structure, water storage hollow structure by electrode on support frame 11 the first drainage thread fixed edge 115, the second drainage thread fixed edge 116, Enter waterside 117 and outlet edge 118 surrounds, as shown, the first drainage thread fixed edge 115 and 116 phase of the second drainage thread fixed edge To setting, enters waterside 117 and be oppositely arranged with outlet edge 118, drainage thread 119 is provided in water storage hollow structure, drainage thread 119 One end is fixedly attached on the first drainage thread fixed edge 115 or the second drainage thread fixed edge 116, the other end empties, and electrode is to branch Support frame 11 includes at least two drainage threads 119, and at least two drainage threads 119 are respectively fixedly connected in the first drainage thread fixed edge 115 or the second drainage thread fixed edge 116, two drainage threads of arbitrary neighborhood are not attached to same drainage thread at least two drainage threads Fixed edge;Enter and be provided with water inlet 113 on waterside 117, water outlet 114 is provided on outlet edge 118.The ruler of water storage hollow structure Very little can be the mm × 0.6 of 612 mm × 8 mm, and the thickness of electrode putting groove can be 1.6 mm.
In the capacitor deionizing instrument 10 of the embodiment of the present invention, electrode puts on face 111 first electrode of support frame 11 It is provided with bulge-structure, second electrode puts and is provided with concave inward structure, the size phase of bulge-structure and concave inward structure on face 112 Match and relative position is consistent, when at least two electrodes, which are overlapped support frame 11, to be placed, posterior electrode is on support frame 11 Bulge-structure is placed in preceding electrode in the concave inward structure on support frame 11, so that relative position between each electrode supporting frame It is fixed;Electrode is to being provided at least one bulge-structure, at least one concave inward structure on support frame 11.In the embodiment of the present invention, First electrode, which is put, may be provided with 4 bulge-structures on face 111, and 4 bulge-structures are located at electrode to the four of support frame 11 A frame angle position;Second electrode, which is put, may be provided with 4 concave inward structures on face 112, and 4 concave inward structures are located at electrode to branch Four frame angle positions of support frame 11, and it is relatively uniform with 4 bulge-structure positions, bulge-structure can be hollow, hollow portion Divide and just constitutes concave inward structure.
Capacitor deionizing instrument provided in an embodiment of the present invention can preferably improve the contact area of water flow and electrode pair, Electrode therein can preferably fix electrode pair to support frame, improve the adsorption efficiency of adsorption electrode, to improve electrode pair Utilization rate.
As shown in figure 4, the embodiment of the present invention also provides a kind of capacitive deionization system, can include: for holding wait locate Manage former pond 21, the first capacitor deionizer 221, the second capacitor deionizing instrument 222, third capacitor deionizing instrument of water 223 and the 4th capacitor deionizing instrument 224, for holding after deionization is handled the water purifying tank 23 of gained water and for controlling The transition pond 24 of inflow processed further includes for power supply and first capacitor deionizer 221, the second capacitive deionization dress Set the power supply 25 that 222, third capacitor deionizing instrument 223 and the 4th capacitor deionizing instrument 224 are electrically connected;Wherein, raw water Pond 21 is connected to transition pond 24, and concatenation is for controlling the valve V1, filter 27 and use of water flow on the water pipe in transition pond Shunt conduit is used after the water ga(u)ge F1 of monitoring water flow, shunt conduit concatenation valve V2 is connected to first capacitor deionization The water inlet pipe of device 221, shunt conduit also concatenate the water inlet pipe that valve V3 is connected to third capacitor deionizing instrument 223, and second The water inlet pipe of capacitor deionizing instrument 222 is connected to the outlet pipe of first capacitor deionizer 221, the second capacitive deionization dress Valve V4 is accessed after setting 222 outlet pipe the first conductivity meter 261 of series connection, the water inlet pipe of the 4th capacitor deionizing instrument 224 connects It is connected to the outlet pipe of third capacitor deionizing instrument 223, outlet pipe the second conductivity of series connection of the 4th capacitor deionizing instrument 224 Valve V4 is accessed after meter 262;Valve V4 series connection is for open valve V5, water of the gained water to water purifying tank 23 after deionization is handled Water purifying tank 23, valve V6, the water ga(u)ge that valve V4 also connects for making water flow be back to transition pond 24 are accessed after flowmeter F2 Transition pond 24 is accessed after F3;Transition pond 24 is placed with the liquid level sensor for monitoring 24 water of transition pond;First capacitor go from Sub-device 221, the second capacitor deionizing instrument 222, third capacitor deionizing instrument 223 and the 4th capacitor deionizing instrument 224 It is the capacitor deionizing instrument 10 of any description of Fig. 1-Fig. 3.The capacitive deionization system of the embodiment of the present invention further includes connection The first water pump between former pond 21 and transition pond 24, the second water pump being connected between transition pond 24 and valve V1, connection In the first conductivity meter 261, the valve V7 for extracting the second capacitor deionizing instrument 222 outflow sample water, and it is connected to Second conductivity meter 262, the valve V8 for extracting the 4th capacitor deionizing instrument 224 outflow sample water.
Wherein, former pond 21 can hold 60 liters of water to be processed, in order to control water flow, can be monitored by liquid level sensor The water in transition pond 24 makes its water quantity holding at 5 liters;Water ga(u)ge F1 may be configured as 2-20 ls/h, when passing through water ga(u)ge When F1 detects that current water flow velocity is more than preset value, water flow can be reduced by valve V1 or stop water flow;In systems, first Capacitor deionizing instrument 221 and the second capacitor deionizing instrument 222 are series relationship, and water flow can enter the first electricity by valve V2 Hold deionizer 221 and the second capacitor deionizing instrument 222 carries out capacitive deionization processing;Third capacitor deionizing instrument 223 and the 4th capacitor deionizing instrument 224 be series relationship, water flow can enter third capacitor deionizing instrument by valve V3 223 and the 4th capacitor deionizing instrument 224 carry out capacitive deionization processing;Actual in use, if the water of pending water And when little, valve V2 or valve V3 can be only opened, when water to be processed is very big, valve V2 and valve can be opened simultaneously Door V3, works at the same time this four capacitor deionizing instruments;It is placed in going out in water line for the second capacitor deionizing instrument 222 First conductivity meter 261, the first conductivity meter 261 for measure through first capacitor deionizer 221 and the second capacitor go from After the processing of sub-device 222, whether the electrical conductivity of solution for handling water has tended to a fixed value, i.e. water concentration has descended to no longer Variation, if the conductivity values compared to last time measurement still continue to decline, water will be handled by needing is discharged to by valve V6 Transition pond 24 carries out re-circulation processing, under the electrical conductivity of solution of processing water has tended to a fixed value, water concentration It drops to and no longer changes, can be exported at this time by water is handled to water purifying tank 23 by open valve V5, wherein the output channel of valve V6 Inside be provided with water ga(u)ge F3,2-20 ls/h can be set by the detection numerical value of water ga(u)ge F3, when pass through water ga(u)ge F3 When detecting that current water flow velocity is more than preset value, water flow can be reduced by valve V6 or stop water flow;Likewise, in the 4th electricity Hold going out in water line for deionizer 224 and be placed with the second conductivity meter 262, the second conductivity meter 262 is for measuring through the After three capacitor deionizing instruments 223 and the processing of the 4th capacitor deionizing instrument 224, whether the electrical conductivity of solution for handling water has become In a fixed value, i.e., water concentration, which has descended to, no longer changes, if still lasting compared to the conductivity values of last time measurement Decline, then need will handle water and be discharged to transition pond 24 by valve V6 and carry out re-circulation processing, until water quality reaching standard, handles water Electrical conductivity of solution tended to a fixed value, water concentration has descended to and no longer changes, can pass through open valve V5 at this time will Processing water is exported to water purifying tank 23, wherein water ga(u)ge F2 is provided in the output channel of valve V5, it can be by water ga(u)ge F2's Detection numerical value is set as 0.5-5 ls/h, when detecting that current water flow velocity is more than preset value by water ga(u)ge F2, can lead to Valve V5 is crossed to reduce water flow or stop water flow.Furthermore it is also possible to be extracted by valve V7 through the second capacitor deionizing instrument 222 Sample water that treated is extracted through the 4th capacitor deionizing instrument 224 treated sample water by valve V8, for analyzing Water quality.
The treating capacity of capacitive deionization system provided in an embodiment of the present invention can reach 100 liters/day, and processing solution TDS is most It can reach 5000 ppm concentration greatly.
The embodiment of the present invention also provides a kind of capacitive deionization method carried out using above-mentioned capacitive deionization system, specifically Embodiment can comprise the following steps that
Step S1, power supply 25 is that first capacitor deionizer 221, the second capacitive deionization fill in capacitive deionization system 222, third capacitor deionizing instrument 223, the power supply of the 4th capacitor deionizing instrument 224 are set, capacitive deionization system is retouched by Fig. 3 The capacitive deionization system stated;
Step S2 opens the valve V1 in capacitive deionization system, and pending water flows through transition pond 24, mistake in former pond 21 Enter shunt conduit after filter 27 and water ga(u)ge F1;
Step S3, open valve V2, makes pending water flow into first capacitor deionizer 221;
Step S4, first capacitor deionizer 221 carry out capacitive deionization processing to pending water, and will be through the first electricity Holding deionizer 221, treated that water is exported to the second capacitor deionizing instrument 222;
Step S5, the second 222 pairs of capacitor deionizing instrument through treated the water of first capacitor deionizer 221 again into The processing of row capacitive deionization, and will treated that water is exported to valve V4 through the second capacitor deionizing instrument 222;
Step S6, first conductance of the first conductivity meter 261 measurement through the second capacitor deionizing instrument 222 treated water Rate opens if the first conductivity is no longer continued to decline compared to the conductivity values of the last measurement of the first conductivity meter 261 Valve V5 will treated that water is exported to water purifying tank 23 through the second capacitor deionizing instrument 222;If the first conductivity is compared to The conductivity values of the last measurement of one conductivity meter 261 continue to decline, then opening valve V6 will fill through the second capacitive deionization Set 222 treated that water is exported to transition pond 24;
Step S7, open valve V3, makes pending water flow into third capacitor deionizing instrument 223;
Step S8, third capacitor deionizing instrument 223 carry out capacitive deionization processing to pending water, and will be through third electricity Holding deionizer 223, treated that water is exported to the 4th capacitor deionizing instrument 224;
Step S9, the 4th 224 pairs of capacitor deionizing instrument through treated the water of third capacitor deionizing instrument 223 again into The processing of row capacitive deionization, and will treated that water is exported to valve V4 through the 4th capacitor deionizing instrument 224;
Step S10, second conductance of the second conductivity meter measurement through the 4th capacitor deionizing instrument 224 treated water Rate opens if the second conductivity is no longer continued to decline compared to the conductivity values of the last measurement of the second conductivity meter 262 Valve V5 will treated that water is exported to water purifying tank 23 through the 4th capacitor deionizing instrument 224;If the second conductivity is compared to The conductivity values of the last measurement of two conductivity meter 262 continue to decline, then opening valve V6 will fill through the 4th capacitive deionization Set 224 treated that water is exported to transition pond 24.
By above-mentioned steps it is found that the capacitive deionization system of the embodiment of the present invention is a kind of circulating treating system, pass through pipe Part is connected by circulation the operation for realizing capacitive deionization system, while also accurately controlling the concentration of final products water.By simple It is final to reach control that the residence time of processing water in systems may be implemented in the ratio of control loop water speed and product water flow velocity The concentration of product water.Wherein preposition container (former pond) is connected with transition container (transition pond), and the volume of water is big in transition container It is small to be controlled by switch sensor (liquid level sensor).When system brings into operation, the concentration of water and preposition container in transition container Middle influent density is the same.Once program brings into operation, the concentration of water is initially dropped until not until variation in transition container.It is dense Degree changes with time and recirculated water rate, and the efficiency of capacitive deionization module and the volume of transition container are related.Further, it is necessary to It should be noted that system runs program will be switched to direct current mode from endless form when solution reaches balance in transition container. In addition, if the concentration for setting water outlet is definite value, then the desalting efficiency of system is just unrelated with the initial concentration of solution, with The efficiency of device is related, when operation, only changes the working time.The system of the embodiment of the present invention can pass through relay and electricity Magnet valve and power supply control.The variation of conductivity and temperature can all be controlled by automatic control system in operational process.
Capacitive deionization system provided in an embodiment of the present invention can automatically control during capacitive deionization process operation The variation of conductivity and temperature improves the efficiency of capacitive deionization technique.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Module or unit in the device of that embodiment of the invention can be combined, divided and deleted according to actual needs.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention Made equivalent variations is sought, is still belonged to the scope covered by the invention.

Claims (8)

1. a kind of capacitor deionizing instrument characterized by comprising electrode is to, electrode to support frame, plexiglass box, use In the collector, the water inlet pipe for being connected to former pond and the outlet pipe for being connected to water purifying tank of energization, the electrode pair Support frame includes that the first electrode being oppositely arranged puts face, second electrode puts face, water inlet and water outlet, and the electrode is to packet The first carbon electrode and the second carbon electrode are included, first electrode puts face and is placed with first carbon electrode, and the second electrode is put Face is placed with second carbon electrode, has between first carbon electrode and second carbon electrode for putting from former pond Pending water water storage hollow structure, the water storage hollow structure is connected with the water inlet and the water outlet;It is described Capacitor deionizing instrument includes that at least two pairs of electrodes pair and at least two are used to support the electrode of placing said electrodes pair To support frame, amberplex is placed between the two neighboring electrode pair;All electrodes pair and all electricity Extremely support frame is respectively positioned in the plexiglass box, the plexiglass box is sealing container, and the water inlet pipe passes through The plexiglass box is communicated to the water inlet, and the outlet pipe passes through the plexiglass box and is communicated to the water outlet Mouthful, when being packed into the pending water in the capacitor deionizing instrument, the collector being in contact with the pending water is logical After electricity, the capacitor deionizing instrument carries out capacitive deionization operation to the pending water;The water storage hollow structure is one Square structure, the water storage hollow structure consolidate the first drainage thread fixed edge, the second drainage thread on support frame by the electrode Deckle enters waterside and outlet edge surrounds, and the first drainage thread fixed edge is oppositely arranged with the second drainage thread fixed edge, institute It states and is oppositely arranged into waterside and the outlet edge, drainage thread, one end of the drainage thread are provided in the water storage hollow structure It is fixedly attached on the first drainage thread fixed edge or the second drainage thread fixed edge, the other end of the drainage thread is set Sky, also that is, the other end of the drainage thread not with the first drainage thread fixed edge, the second drainage thread fixed edge, enter waterside and Outlet edge contact, the electrode include at least two drainage threads to support frame, at least two drainage thread difference The first drainage thread fixed edge or the second drainage thread fixed edge are fixedly connected on, at least two drainage threads Two drainage threads of arbitrary neighborhood are not attached to same drainage thread fixed edge;It is described enter waterside on be provided with the water inlet, The water outlet is provided on the outlet edge.
2. capacitor deionizing instrument as described in claim 1, which is characterized in that the electrode is to pass through 3D printing to support frame A kind of nylon material braced frame that technology prints.
3. capacitor deionizing instrument as described in claim 1, which is characterized in that the capacitor deionizing instrument includes at least two Ten electrodes are to support frame, for 20 pairs of electrodes pair of fixed support.
4. capacitor deionizing instrument as claimed in claim 3, which is characterized in that in the capacitor deionizing instrument, adjacent two A electrode is to one carbon electrode of fixed support between support frame.
5. capacitor deionizing instrument as described in claim 1, which is characterized in that extremely a kind of graphite flake of the current collection.
6. a kind of capacitive deionization system characterized by comprising for holding the former pond of pending water, first capacitor is gone Ion unit, the second capacitor deionizing instrument, third capacitor deionizing instrument and the 4th capacitor deionizing instrument, for hold through The water purifying tank of gained water and transition pond for controlling inflow after deionization processing, further include it is for power supply, with it is described First capacitor deionizer, second capacitor deionizing instrument, the third capacitor deionizing instrument and the 4th electricity Hold the power supply that deionizer is electrically connected;The former pond is connected to the transition pond, on the water pipe in the transition pond It concatenates for controlling after the valve V1 of water flow, a filter and water ga(u)ge F1 for monitoring water flow using isocon Road, the shunt conduit concatenation valve V2 are connected to the water inlet pipe of the first capacitor deionizer, and the shunt conduit is also Concatenation valve V3 is connected to the water inlet pipe of the third capacitor deionizing instrument, the water inlet pipe of second capacitor deionizing instrument It is connected to the outlet pipe of the first capacitor deionizer, the first electricity of outlet pipe series connection of second capacitor deionizing instrument Valve V4 is accessed after conductance meter, the water inlet pipe of the 4th capacitor deionizing instrument is connected to the third capacitor deionizing instrument Outlet pipe, the outlet pipe of the 4th capacitor deionizing instrument connects and accesses the valve V4 after the second conductivity meter;It is described Valve V4 series connection is followed by for opening valve V5, the water ga(u)ge F2 of gained water to the water purifying tank after deionization is handled Enter the water purifying tank, after the valve V4 also connects for making water flow be back to the valve V6 in the transition pond, water ga(u)ge F3 Access the transition pond;The transition pond is placed with the liquid level sensor for monitoring the transition water amount;First electricity Hold deionizer, second capacitor deionizing instrument, the third capacitor deionizing instrument and the 4th capacitor go from Sub-device is any capacitor deionizing instrument of claim 1-5.
7. capacitive deionization system as claimed in claim 6, which is characterized in that further include:
The first water pump being connected between the former pond and the transition pond;
The second water pump being connected between the transition pond and the valve V1;
It is connected to first conductivity meter, the valve V7 for extracting the second capacitor deionizing instrument outflow sample water;
It is connected to second conductivity meter, the valve V8 for extracting the 4th capacitor deionizing instrument outflow sample water.
8. a kind of capacitive deionization method characterized by comprising
In capacitive deionization system power supply be first capacitor deionizer, the second capacitor deionizing instrument, third capacitor go from Sub-device, the power supply of the 4th capacitor deionizing instrument, the capacitive deionization system are that any capacitor of claim 6-7 is gone Ion system;
The valve V1 in the capacitive deionization system is opened, pending water flows through transition pond, filter and water flow in former pond Enter shunt conduit after meter F1;
Open valve V2, makes the pending water flow into the first capacitor deionizer;
The first capacitor deionizer carries out capacitive deionization processing to the pending water, and will be through the first capacitor Treated that water is exported to second capacitor deionizing instrument for deionizer;
Through the first capacitor deionizer, treated that water carries out electricity again to described for second capacitor deionizing instrument Hold deionization processing, and will treated that water is exported to valve V4 through second capacitor deionizing instrument;
First conductivity meter measures first conductivity through second capacitor deionizing instrument treated water, if described First conductivity is no longer continued to decline compared to the conductivity values that the first conductivity meter last time measures, then opens valve Through second capacitor deionizing instrument, treated that water is exported to water purifying tank by described by V5;If first conductivity compared to The conductivity values of the first conductivity meter last time measurement continue to decline, then open valve V6 for described through second electricity Holding deionizer, treated that water is exported to the transition pond;
Open valve V3, makes the pending water flow into the third capacitor deionizing instrument;
The third capacitor deionizing instrument carries out capacitive deionization processing to the pending water, and will be through the third capacitor Treated that water is exported to the 4th capacitor deionizing instrument for deionizer;
Through the third capacitor deionizing instrument, treated that water carries out electricity again to described for 4th capacitor deionizing instrument Hold deionization processing, and will treated that water is exported to the valve V4 through the 4th capacitor deionizing instrument;
Second conductivity meter measures second conductivity through the 4th capacitor deionizing instrument treated water, if described Second conductivity is no longer continued to decline compared to the conductivity values that the second conductivity meter last time measures, then open described in Through the 4th capacitor deionizing instrument, treated that water is exported to the water purifying tank by described by valve V5;If second conductance Rate is continued to decline compared to the conductivity values that the second conductivity meter last time measures, then opening the valve V6 will be described Through the 4th capacitor deionizing instrument, treated that water is exported to the transition pond.
CN201610133985.4A 2016-03-10 2016-03-10 Capacitor deionizing instrument, system and capacitive deionization method Active CN105668723B (en)

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KR102286716B1 (en) * 2017-03-28 2021-08-05 미쓰비시덴키 가부시키가이샤 Water treatment device, water treatment system, assembly method of water treatment device and water treatment method
CN110316884B (en) * 2019-07-02 2021-06-01 江苏科技大学 SWRO and MCDI coupling seawater desalination device system with energy recovery function

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