CN202808448U - Electro-adsorption system and electro-adsorption module modification system - Google Patents
Electro-adsorption system and electro-adsorption module modification system Download PDFInfo
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- CN202808448U CN202808448U CN 201220279990 CN201220279990U CN202808448U CN 202808448 U CN202808448 U CN 202808448U CN 201220279990 CN201220279990 CN 201220279990 CN 201220279990 U CN201220279990 U CN 201220279990U CN 202808448 U CN202808448 U CN 202808448U
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Abstract
The utility model discloses an electro-adsorption system and an electro-adsorption module modification system, relates to the field of sewage treatment, and is used for solving the problem that the desalting efficiency of an electro-adsorption module is influenced in long-time running process of a conventional electro-adsorption system due to accumulation of surface side-reaction effect. The modification system comprises an amine container, a pump and an electro-adsorption module which are in closed loop connection, wherein amino-containing amine substance liquid is filled in the amine container; the electro-adsorption module is an electro-adsorption module to be modified; and the pump is used for injecting the amine substance liquid in the amine container into the electro-adsorption module, so that the property of the surface of the electro-adsorption module is modified. The electro-adsorption system comprises an electro-adsorption work sub-system, an electro-adsorption module modification sub-system, and a switching device, wherein the switching device is used for switching the system into an electro-adsorption module modification sub-system running mode when the electro-adsorption module is modified, and switching the system into an electro-adsorption work sub-system running mode after the electro-adsorption module is modified.
Description
Technical field
The utility model relates to sewage treatment area, particularly relates to a kind of electro-adsorption system and electro-adsorption module reforming system.
Background technology
Along with development economic and society, human demand and the requirement of quality to water is more and more higher on the one hand, and on the other hand, scope and degree that water pollutes are also increasing.
The electro-adsorption demineralization technology is as a kind of water technology, and its nucleus equipment is the electro-adsorption module, and its total technical process is divided into 2 parts, workflow, regeneration flow process.Workflow is to make the logical positive negative electricity of electrode slice relative in the electro-adsorption module, utilizes the potential difference between the electrode slice to adsorb the interior zwitterion of former water, reaches the process that purifies former water.Two kinds of effects are arranged in the course of the work, capacitive adsorption and surperficial side reaction, capacitive adsorption is the desalting process that negative ions is enriched in electrode surface in the water, and surperficial side reaction is the slowly redox reaction that electrode itself occurs, and wherein oxidizing reaction is main trend.With electrode slice positive and negative electrode short circuit, this moment, zwitterion was understood desorption in the electro-adsorption module channels, and was gone out the electro-adsorption module by water, made module obtain regeneration in regenerative process.Regenerative process is the inverse process of capacitive adsorption effect in the working process.
Study discovery through the contriver, two kinds of effects in the workflow, be capacitive adsorption and surperficial side reaction, the former is reversing process, the latter is non-reversible process, although surperficial side reaction is a small amount of, slowly, under this effect can be accumulated in electro-adsorption system During Process of Long-term Operation, make the slow sex change of electrode of electro-adsorption module, finally have influence on the desalting efficiency of electro-adsorption module.
The utility model content
The utility model provides a kind of electro-adsorption system and electro-adsorption module reforming system, because the accumulation of surperficial side reaction effect, affects the problem of electro-adsorption module desalting efficiency in order to solve in the existing electro-adsorption system During Process of Long-term Operation.
A kind of electro-adsorption module reforming system of the present utility model comprises: the amine container, pump and the electro-adsorption module that become closed loop to connect; The amine container wherein is equipped with the amine substance solution of amino-contained; Electro-adsorption module, this electro-adsorption module are to treat the electro-adsorption module of modification; Pump is used for the described amine substance solution of amine container is injected the electro-adsorption module, to change the character of this electro-adsorption Modular surface.
Further, also comprise: returnable is used for reclaiming amine substance solution resident in the described electro-adsorption module after the character that changes described electro-adsorption Modular surface.
A kind of electro-adsorption of the present utility model system, comprise: the electro-adsorption working subsystem that is used for purifying former water and regeneration electro-adsorption module, also comprise: electro-adsorption module modification subsystem is used for amine substance solution is injected the electro-adsorption module, to change the character of this electro-adsorption Modular surface; Shifter is used for to the modification of electro-adsorption module the time described system being switched to electro-adsorption module modification subsystem operational mode; And after finishing the modification of electro-adsorption module, described system is switched to electro-adsorption working subsystem operational mode; Electro-adsorption module modification subsystem is above-mentioned electro-adsorption module reforming system.
Further, described shifter comprises: first group of valve is used for control electro-adsorption module modification subsystem amine substance solution injected the electro-adsorption module; Second group of valve is used for control electro-adsorption working subsystem former water injected the electro-adsorption module; The 3rd group of valve is for the liquid that drains the electro-adsorption module.
Further, also comprise: measuring apparatus, lead clearance for the operation electricity of measuring described electro-adsorption module, specifically draw by following formula: the operation electricity is led clearance=(former water conductivity-water outlet average conductivity)/former water conductivity; Control device, be connected with shifter with described measuring apparatus, be used for when the initial electricity of described system that measuring apparatus records is led difference that clearance and current electricity lead clearance more than or equal to threshold value, judging needs the electro-adsorption module is carried out modification, and the control shifter is finished corresponding switching, and after finishing the modification of electro-adsorption module, the control shifter is finished corresponding switching.
The employing amine substance solution that the utility model proposes regularly soaks, washes the technical scheme of electro-adsorption module, can guarantee electro-adsorption desalination system continuous high-efficient operation steady in a long-term.Compare operation scheme in the past, the utility model can make the electro-adsorption module efficiency to a certain degree namely return to afterwards initial removal efficient in every decline.Actual measurement can prolong about 1 times of work-ing life of electro-adsorption module.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of the utility model embodiment one;
Fig. 2 is the system framework figure of the utility model embodiment two;
Fig. 3 is the specific implementation synoptic diagram of the utility model embodiment two.
Embodiment
The contriver is through long-term practice and many experiments checking, and the electro-adsorption module is in During Process of Long-term Operation, and electrode surface generation oxidation produces various groups, and this group finally can have influence on the desalting efficiency of electrode.Group is mainly manifested in following two aspects to the impact of electro-adsorption efficient.The one, electrode surface produces a large amount of electronegative groups during long-term surface oxidation, causes regenerative process to finish to still have a large amount of carboniums on the rear electrode sheet.In the course of the work, negative terminal surface is the carbonium of enriched, thereby the ability of absorption carbonium reduces greatly, it is anodal because itself is with a large amount of positive ions, need consume first the positive ion that part energy (current potential) is driven the surface, then could adsorb negative ion, also reduce the ability of anodal absorption negative ion.The decline that just shows the module adsorption efficiency on the macroscopic view like this.The 2nd, the negative electricity group that long-term surface oxidation rear electrode surface produces has the function of cationic ion exchange, namely the negative electricity group with positively charged ion be unsettled, replaceable.Electrode slice is placed the lower solution of pH value, the positively charged ion generation permutoid reaction of hydrogen ion energy and the absorption of electrode surface group in the solution, hydrogen ion is adsorbed by electrode slice, and the cation concn of bulk solution raises; Again electrode slice is inserted pH value in the neutral salts solution, the hydrogen ion of electrode surface group absorption again can with solution in positively charged ion generation permutoid reaction, positively charged ion is adsorbed by the electrode slice group, the pH value of solution reduces.This behavior shows in the module routine, that is: during work, because electrode slice is anodal aobvious acid, pH value is lower, and the positively charged ion that adsorbs on the electrode slice group can be exchanged in the original solution by hydrogen ion, and the cation concn of original solution is raise, go out water concentration and raise, affect clearance.And in regenerative process, solution is neutral near the electrode slice, and the positively charged ion in the solution can come back on the electrode slice positively charged ion by the exchange of the hydrogen ion on the electrode slice group, affects regeneration effect.Formed with the electro-adsorption module and adsorbed the contrary process of---desorption---Adsorption Phase.Cause electro-adsorption module adsorption efficiency to descend.
In order to reduce the oxidized electrode slice of electro-adsorption module, thereby the salt performance that the electro-adsorption module recovery that efficient has been descended is initial, and then prolong the work-ing life of electro-adsorption module, the utility model provides a kind of electro-adsorption module reforming system, and a kind of electro-adsorption system, below further specify by some embodiment.
Embodiment one, present embodiment provide a kind of electro-adsorption module reforming system, in electro-adsorption system works for some time, when finding that electro-adsorption module 11 adsorption efficiencies descend, the electro-adsorption module 11 for the treatment of modification can be extracted from the electro-adsorption system, internal water drained and dry in the air control after 24 hours, are connected with pump with amine container 12 and are connected the recycle system of formation closed loop, further electro-adsorption module 11 also links to each other with returnable 14, specifically referring to shown in Figure 1.
Electro-adsorption module 11, this electro-adsorption module are to treat the electro-adsorption module of modification.
Returnable 14 is used for reclaiming resident amine substance solution in the electro-adsorption module 11 after the character that changes electro-adsorption module 11 surfaces.
In specific implementation, can comprise following implementation step:
S21, will treat that the water of the electro-adsorption inside modules of modification drains.
In this step, in electro-adsorption system works for some time, when finding that electro-adsorption module adsorption efficiency descends, the electro-adsorption module for the treatment of modification can be extracted from the electro-adsorption system, the control 24 hours that internal water drained and dry in the air is in order to avoid institute's water divides dilution amine substance solution on the electrode.
S22, amine substance solution is injected the electro-adsorption module, make amine substance solution and electro-adsorption inside modules electrode continuous contact, reach first and preset duration.
In this step, amine substance solution mainly refers to the solution of primary amine class and secondary amine class material.Wherein institute's amino-contained can react with the oxide group that forms on the electrode in primary amine and the secondary amine, with it covering or reduction.Specifically can adopt ethylenediamine solution.
Establishing the first default duration in this step is 24 hours, makes amine substance solution and electro-adsorption inside modules electrode continuous contact, reaches the first default duration, specifically can adopt two kinds of implementations:
Implementation one, that ethylenediamine solution is slowly injected the electro-adsorption module is full to the electro-adsorption module, leaves standstill afterwards 1 hour; Turn on pump makes ethylenediamine solution electro-adsorption module internal recycle 1 hour again; Left standstill again 1 hour.So repeatedly carry out, until reach 24 hours.
Implementation two, ethylenediamine solution is slowly injected the electro-adsorption module, and constantly circulated 24 hours.
S23, the amine substance solution of the electro-adsorption inside modules after modification is drained.
The control of drying in the air of S24, the electro-adsorption module that will drain amine substance solution reaches the 4th default duration.
Establishing the 4th default duration in this step is 24 hours, dried in the air control after at least 24 hours until the electro-adsorption module, group on the electrode of ethylenediamine solution and electro-adsorption module can continue to react during this time, and electro-adsorption module water is rinsed well, again is connected in the electro-adsorption system and reuses.
Embodiment two, present embodiment provide a kind of electro-adsorption system, referring to shown in Figure 2, comprising: electro-adsorption module modification subsystem 31, i.e. the electro-adsorption module reforming system of embodiment one; Also comprise: electro-adsorption working subsystem 32, shifter 33; Further can also comprise: measuring apparatus 34 and control device 35.
Electro-adsorption module modification subsystem 31 is used for amine substance solution is injected the electro-adsorption module, to change the character of this electro-adsorption Modular surface.Further, shown in Fig. 3, comprise electro-adsorption module 311, amine container 312 and pump 313.
Electro-adsorption working subsystem 32 is used for purifying former water and regeneration electro-adsorption module.Specifically can adopt existing electro-adsorption system.
Shifter 33 is used for to the modification of electro-adsorption module the time system being switched to electro-adsorption module modification subsystem operational mode; And after finishing the modification of electro-adsorption module, system is switched to electro-adsorption working subsystem operational mode.Further, shown in Fig. 3, can adopt three groups of valves in specific implementation, first group of valve comprises dynamic valve 331 and dynamic valve 333, is used for control electro-adsorption module modification subsystem 31 amine substance solution is injected the electro-adsorption module; Second group of valve comprises dynamic valve 332 and dynamic valve 334, is used for control electro-adsorption working subsystem 32 with former water injection electro-adsorption module; The 3rd group of valve comprises screws valve 335 and screws valve 336, is used for draining the liquid of electro-adsorption module.
Measuring apparatus 34, the operation electricity that is used for measurement electro-adsorption module is led clearance, can adopt conductivitimeter to measure former water conductivity and water outlet average conductivity and calculate electricity and lead clearance, concrete formula is as follows: the operation electricity is led clearance=(former water conductivity-water outlet average conductivity)/former water conductivity.
In specific implementation, comprise the following steps: under operating mode, purify former water and regeneration electro-adsorption module; Under the modification pattern, change the character of described electro-adsorption Modular surface; To the modification of electro-adsorption module the time, switch to the modification pattern; And after finishing the modification of electro-adsorption module, switch to operating mode.In the normal use procedure of electro-adsorption module, valve 332 and dynamic valve 334 turn on the power.The operation electricity of measuring apparatus 34 test constantly electro-adsorption modules is led clearance, specifically draw by following formula: the operation electricity is led clearance=(former water conductivity-water outlet average conductivity)/former water conductivity, lead difference that clearance and current electricity lead clearance more than or equal to 10% the time at the initial electricity that records, judging needs carry out modification to the electro-adsorption module.Dynamic valve 332 and dynamic valve 334 can be closed, unlatching is screwed valve 335 and is screwed valve 336 and discharges water.After water base in electro-adsorption module control done, can close screwing valve 335 and screwing valve 336, turn on the power valve 331 and dynamic valve 333, the electro-adsorption module will automatically switch under the modification pattern this moment.After modification is finished, by screwing valve 335 and screwing valve 336 ethylenediamine solution in the electro-adsorption module is discharged and reclaimed.The electro-adsorption module is taken back in the electro-adsorption work system again, continue to purify former water.The switch of aforementioned each valve is by control device 35 controls.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (5)
1. an electro-adsorption module reforming system is characterized in that, comprising: the amine container, pump and the electro-adsorption module that become closed loop to connect;
The amine container wherein is equipped with the amine substance solution of amino-contained;
Electro-adsorption module, this electro-adsorption module are to treat the electro-adsorption module of modification;
Pump is used for the described amine substance solution of amine container is injected the electro-adsorption module, to change the character of this electro-adsorption Modular surface.
2. electro-adsorption module reforming system as claimed in claim 1 is characterized in that, also comprises:
Returnable is used for reclaiming amine substance solution resident in the described electro-adsorption module after the character that changes described electro-adsorption Modular surface.
3. electro-adsorption system comprises: be used for purifying the electro-adsorption working subsystem of former water and regeneration electro-adsorption module, it is characterized in that, also comprise:
Electro-adsorption module modification subsystem is used for amine substance solution is injected the electro-adsorption module, to change the character of this electro-adsorption Modular surface;
Shifter is used for to the modification of electro-adsorption module the time described system being switched to electro-adsorption module modification subsystem operational mode; And after finishing the modification of electro-adsorption module, described system is switched to electro-adsorption working subsystem operational mode;
Above-mentioned electro-adsorption module modification subsystem is claim 1 or 2 described electro-adsorption module reforming systems.
4. electro-adsorption as claimed in claim 3 system is characterized in that described shifter comprises:
First group of valve is used for control electro-adsorption module modification subsystem amine substance solution injected the electro-adsorption module;
Second group of valve is used for control electro-adsorption working subsystem former water injected the electro-adsorption module;
The 3rd group of valve is for the liquid that drains the electro-adsorption module.
5. such as claim 3 or 4 described electro-adsorption systems, it is characterized in that, also comprise:
Measuring apparatus is led clearance for the operation electricity of measuring described electro-adsorption module, specifically draws by following formula: the operation electricity is led clearance=(former water conductivity-water outlet average conductivity)/former water conductivity;
Control device, be connected with shifter with described measuring apparatus, be used for when the initial electricity of described system that measuring apparatus records is led difference that clearance and current electricity lead clearance more than or equal to threshold value, judging needs the electro-adsorption module is carried out modification, and the control shifter is finished corresponding switching, and after finishing the modification of electro-adsorption module, the control shifter is finished corresponding switching.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220279990 CN202808448U (en) | 2012-06-14 | 2012-06-14 | Electro-adsorption system and electro-adsorption module modification system |
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| CN 201220279990 CN202808448U (en) | 2012-06-14 | 2012-06-14 | Electro-adsorption system and electro-adsorption module modification system |
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| CN202808448U true CN202808448U (en) | 2013-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185586A1 (en) * | 2012-06-12 | 2013-12-19 | 爱思特水务科技有限公司 | Electric adsorption system, electric adsorption module modifying system, and corresponding method |
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- 2012-06-14 CN CN 201220279990 patent/CN202808448U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185586A1 (en) * | 2012-06-12 | 2013-12-19 | 爱思特水务科技有限公司 | Electric adsorption system, electric adsorption module modifying system, and corresponding method |
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Denomination of utility model: Electro-adsorption system and electro-adsorption module modification system Effective date of registration: 20150925 Granted publication date: 20130320 Pledgee: SHAANXI FUTIANBAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Pledgor: EST Pure Technology Co.,Ltd. Registration number: 2015990000829 |
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