CN202011768U - Electric absorption desalting regeneration system - Google Patents
Electric absorption desalting regeneration system Download PDFInfo
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- CN202011768U CN202011768U CN2011200849903U CN201120084990U CN202011768U CN 202011768 U CN202011768 U CN 202011768U CN 2011200849903 U CN2011200849903 U CN 2011200849903U CN 201120084990 U CN201120084990 U CN 201120084990U CN 202011768 U CN202011768 U CN 202011768U
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Abstract
The utility model discloses an electric absorption desalting regeneration system which relates to the field of sewage treatment and is used for solving the problem of worse regeneration effect of an electric absorption module in the prior art. The system comprises the electric absorption module to be regenerated, an acid water tank for storing acid liquid, an acid-washing short-circuit regeneration unit, an acid discharge unit, a water tank, a regeneration washing unit and a draining unit, wherein the acid-washing short-circuit regeneration unit is used for cleaning the electric absorption module by using the acid liquid stored in the acid water storage tank; the acid discharge unit is used for discharging the acid liquid generated after being cleaned by the acid-washing short-circuit regeneration unit; the water tank is used for storing water; the regeneration washing unit is used for washing the electric absorption module by using the water stored in the water tank; and the draining unit is used for draining the water generated after being cleaned by the regeneration washing unit. In the electric absorption desalting regeneration system, the acid-washing regeneration process is added; therefore, positive ion on a group of the electric absorption module can be replaced completely to achieve the purpose of complete regeneration.
Description
Technical field
The utility model relates to sewage treatment area, particularly relates to a kind of electro-adsorption demineralization regeneration system rapidly.
Background technology
Along with development economic and society, the human on the one hand demand and the requirement of quality to water is more and more higher, 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 total technical process is divided into 3 parts, and workflow, short circuit leave standstill flow process, short circuit regeneration flow process.Workflow is to make electrode of opposite sheet logical positive negative electricity in position in the module, utilizes the potential difference between the electrode slice to adsorb the interior zwitterion of former water, reaches the purpose that purifies former water, and at this moment, the pH value is lower near the anodal electrode slice, shows acid; The pH value is higher near the electrode slice of negative pole, shows alkalescence.The water outlet of electro-adsorption module promptly is the product water of electro-adsorption demineralization system in this process; It is with electrode slice positive and negative electrode short circuit that short circuit leaves standstill flow process, because the electromotive force of absorption zwitterion disappears, zwitterion meeting desorption is in module channels; Short circuit regeneration flow process is that water is gone out the electro-adsorption module with desorption in the short circuit process to the whole ions in the passage, makes it to obtain regeneration.
Use existing electro-adsorption system process, find through secular actual motion, significantly decrease, trace it to its cause with the desalination rate that begins to compare the electro-adsorption module, along with electrode lengthening duration of service, the surface has produced the acidic-group that has ion-exchange in a large number.This kind group has the function of similar ion-exchange, that is: 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 the pH value in the neutral salts solution, the hydrogen ion of electrode surface group absorption again can with the positively charged ion generation permutoid reaction in the solution, positively charged ion is adsorbed by the electrode slice group, the pH value reduction of solution.This behavior shows in the module routine, during work, shows acid because electrode slice is anodal that is:, the 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, influence 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, influences regeneration effect.Formed the process of adsorbing---desorption---absorption contrary with the electro-adsorption module.Cause electro-adsorption module adsorption efficiency to descend.
The utility model content
The utility model provides a kind of electro-adsorption demineralization regeneration system rapidly, in order to solve the relatively poor problem of electro-adsorption module regeneration effect of prior art.
System of the present utility model comprises: treat regenerated electro-adsorption module; The sour water case is used to store acid solution; Pickling short circuit regeneration unit is used for cleaning above-mentioned electro-adsorption module with the acid solution of sour water case storage; The acid discharge unit is used to discharge the acid solution that is produced after pickling short circuit regeneration unit cleans; Water tank is used for storage of water; Regeneration flushing unit is used for washing above-mentioned electro-adsorption module with the water of water tank storage; Drainage cell is used to discharge the water that is produced after regeneration flushing unit flushing.
Further, also comprise: timing unit is used to control the duration that regeneration flushing unit washes above-mentioned electro-adsorption module.
Further, also comprise: acid solution reclaims the unit, is used to reclaim the residue acid solution that discharge the acid discharge unit.
Further, also comprise: water reclaims the unit, is used to reclaim the water that drainage cell is discharged.
The utility model beneficial effect is as follows:
In the existing electro-adsorption module reclaiming process, owing to do not have pickling this process of regenerating, so the positively charged ion that adsorbs on the electro-adsorption module can not cement out fully.The utility model has increased the pickling regenerative process, therefore the positively charged ion on the group of electro-adsorption module can be cemented out fully, reaches thorough regenerated purpose.As seen, the utility model can guarantee the long-term continous-stable operation of electro-adsorption demineralization system.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of the utility model embodiment;
Fig. 2 is the system architecture synoptic diagram of another embodiment of the utility model.
Embodiment
Regeneration effect for the electro-adsorption module that promotes the electro-adsorption demineralization system, after the short circuit process in the prior art (after being the positive and negative electrode short circuit, positive pole is emitted negatively charged ion, negative pole is emitted positively charged ion, the negative ions of electro-adsorption process absorption is discharged in the bulk solution), the utility model provides a kind of embodiment of electro-adsorption demineralization regeneration system rapidly, and referring to shown in Figure 1, it comprises:
Treat regenerated electro-adsorption module 101.
Pickling short circuit regeneration unit 103, be used for acid solution feeding electro-adsorption module 101 with the certain pH value of sour water case 102 storages, hydrogen ion in the acid solution gets off the cation replacement on the electrode surface group, make electrode surface group absorption hydrogen ion, cation concn in the acid solution is raise, reach the purpose of regeneration electro-adsorption module 101 electrodes.
The acid solution that is produced after for some time, is discharged in acid discharge unit 104 after pickling short circuit regeneration unit 103 cleans.
In specific implementation, can realize pouring into, discharging of acid solution by motor-mount pump or other modes.
As seen, present embodiment has increased sour water case 102, pickling short circuit regeneration unit 103 and acid discharge unit 104 at least with respect to prior art, has promptly increased the process of pickling.Therefore, reached the purpose that promotes electro-adsorption module regeneration effect, seen for details above-mentioned.
Further, for the electro-adsorption module of long term operation, two kinds of effects can appear during work.The one, the electro-adsorption effect: former water is by between the positive and negative electrode of electro-adsorption module, and wherein negatively charged ion is adsorbed by positive pole, and positively charged ion is adsorbed by negative pole.This process makes former water desalination, reaches the purification purpose.Because the regeneration effect of electro-adsorption module of the present utility model is better, so the desalination rate is high than prior art.Another kind of effect is: hydrogen ion on the positive and negative electrode sheet group of electro-adsorption module and the positively charged ion generation exchange interaction in the former water; group absorption positively charged ion; hydrogen ion is displaced to former acidity of water is increased, the basicity neutralization in common meeting of this part acidity of increase and the water.This process can be removed anhydrate middle-jiao yang, function of the spleen and stomach ion and basicity, reaches the purpose of purification.Owing to after the acid cleaning process, attached a large amount of hydrogen ions on the electro-adsorption module electrodes, therefore cationic exchange interaction (promptly adsorbing cationic effect) in above-mentioned hydrogen ion and the former water, and acid-base neutralisation effect all than prior art for well.
To sum up, present embodiment can guarantee the operation of the long-term continous-stable of electro-adsorption demineralization system.
The utility model also provides another embodiment of a kind of electro-adsorption demineralization regeneration system rapidly, referring to shown in Figure 2, comprising:
Treat regenerated electro-adsorption module 201.
Sour water case 202 is used to store acid solution.
Pickling short circuit regeneration unit 203, be used for acid solution feeding electro-adsorption module 201 with the certain pH value of sour water case 202 storages, hydrogen ion in the acid solution gets off the cation replacement on the electrode surface group, make electrode surface group absorption hydrogen ion, cation concn in the acid solution is raise, reach the purpose of regeneration electro-adsorption module 201 electrodes.
The acid solution that is produced after for some time, is discharged in acid discharge unit 204 after pickling short circuit regeneration unit 203 cleans.
Water tank 205 is used for storage of water.
Regeneration flushing unit 206, mode by the concentration diffusion, water with water tank 205 storage washes above-mentioned electro-adsorption module 201, and short circuit process and pickling short circuit this two ions that the stage bears again of regenerating are gone out electro-adsorption module 201, reaches the purpose of thorough regeneration electro-adsorption module 201.
Drainage cell 207 is used to discharge the water that is produced after 206 flushings of regeneration flushing unit.
Timing unit 208 is used to control the duration that the 206 pairs of above-mentioned electro-adsorption modules 201 in regeneration flushing unit are washed.
Acid solution reclaims unit 209, is used to reclaim the residue acid solution that discharge acid discharge unit 204.
Water reclaims unit 210, is used to reclaim the water that drainage cell 207 is discharged.
In specific implementation, can realize pouring into, discharging of acid solution by motor-mount pump or other modes.Can pass through PLC (Programmable Logic Controller, programmable logic controller) or timer etc. realizes regularly.
As seen, present embodiment has increased sour water case 202, pickling short circuit regeneration unit 203 and acid discharge unit 204 at least with respect to prior art, has promptly increased the process of pickling; And timing unit 208, acid solution recovery unit 209 and water reclaim unit 210.Therefore, reached the purpose that promotes electro-adsorption module regeneration effect, seen for details above-mentioned.
Further, for the electro-adsorption module of long term operation, two kinds of effects can appear during work.The one, the electro-adsorption effect: former water is by between the positive and negative electrode of electro-adsorption module, and wherein negatively charged ion is adsorbed by positive pole, and positively charged ion is adsorbed by negative pole.This process makes former water desalination, reaches the purification purpose.Because the regeneration effect of electro-adsorption module of the present utility model is better, so the desalination rate is high than prior art.Another kind of effect is: hydrogen ion on the positive and negative electrode sheet group of electro-adsorption module and the positively charged ion generation exchange interaction in the former water; group absorption positively charged ion; hydrogen ion is displaced to former acidity of water is increased, the basicity neutralization in common meeting of this part acidity of increase and the water.This process can be removed anhydrate middle-jiao yang, function of the spleen and stomach ion and basicity, reaches the purpose of purification.Owing to after the acid cleaning process, attached a large amount of hydrogen ions on the electro-adsorption module electrodes, therefore cationic exchange interaction (promptly adsorbing cationic effect) in above-mentioned hydrogen ion and the former water, and acid-base neutralisation effect all than prior art for well.
Further, control can be optimized regeneration effect to the duration of electro-adsorption module flushing, and water consumption.Reclaim residue acid solution and water, so that recycling economizes on resources.
To sum up, present embodiment can guarantee the operation of the long-term continous-stable of electro-adsorption demineralization system.
Can know that with the system actual motion the utility model is more thorough to the regeneration of electro-adsorption module by experiment.Do not taking before this technology, electro-adsorption module desalting efficiency descends significantly, removes decrease in efficiency 10% in 3 months, adopts technology of the present utility model, and after system moved 6 months continuously, the clearance of electro-adsorption module was not seen obvious decline.
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model, for example: increased another regeneration flushing process before acid cleaning process, again for example: increase pickling number of times etc.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 (4)
1. electro-adsorption demineralization regeneration system rapidly comprises: treat regenerated electro-adsorption module, it is characterized in that, also comprise:
The sour water case is used to store acid solution;
Pickling short circuit regeneration unit is used for cleaning above-mentioned electro-adsorption module with the acid solution of sour water case storage;
The acid discharge unit is used to discharge the acid solution that is produced after pickling short circuit regeneration unit cleans;
Water tank is used for storage of water;
Regeneration flushing unit is used for washing above-mentioned electro-adsorption module with the water of water tank storage;
Drainage cell is used to discharge the water that is produced after regeneration flushing unit flushing.
2. electro-adsorption demineralization regeneration system rapidly as claimed in claim 1 is characterized in that, also comprises:
Timing unit is used to control the duration that regeneration flushing unit washes above-mentioned electro-adsorption module.
3. electro-adsorption demineralization regeneration system rapidly as claimed in claim 1 is characterized in that, also comprises:
Acid solution reclaims the unit, is used to reclaim the residue acid solution that discharge the acid discharge unit.
4. electro-adsorption demineralization regeneration system rapidly as claimed in claim 1 is characterized in that, also comprises:
Water reclaims the unit, is used to reclaim the water that drainage cell is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200849903U CN202011768U (en) | 2011-03-28 | 2011-03-28 | Electric absorption desalting regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200849903U CN202011768U (en) | 2011-03-28 | 2011-03-28 | Electric absorption desalting regeneration system |
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| Publication Number | Publication Date |
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| CN202011768U true CN202011768U (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200849903U Expired - Lifetime CN202011768U (en) | 2011-03-28 | 2011-03-28 | Electric absorption desalting regeneration system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126772A (en) * | 2011-03-28 | 2011-07-20 | 爱思特水务科技有限公司 | Electroabsorption desalting regeneration system and regeneration method |
| CN102603040A (en) * | 2012-03-30 | 2012-07-25 | 中国石油化工股份有限公司 | Processing method for electro-adsorption demineralized water |
| EP2700618A1 (en) * | 2012-08-20 | 2014-02-26 | Samsung Electronics Co., Ltd | Water softening apparatus |
| CN112645512A (en) * | 2019-10-11 | 2021-04-13 | 中国石油化工股份有限公司 | Sewage recycling device, process and application |
-
2011
- 2011-03-28 CN CN2011200849903U patent/CN202011768U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126772A (en) * | 2011-03-28 | 2011-07-20 | 爱思特水务科技有限公司 | Electroabsorption desalting regeneration system and regeneration method |
| CN102126772B (en) * | 2011-03-28 | 2012-08-29 | 爱思特水务科技有限公司 | Electroabsorption desalting regeneration system and regeneration method |
| CN102603040A (en) * | 2012-03-30 | 2012-07-25 | 中国石油化工股份有限公司 | Processing method for electro-adsorption demineralized water |
| CN102603040B (en) * | 2012-03-30 | 2014-11-26 | 中国石油化工股份有限公司 | Processing method for electro-adsorption demineralized water |
| EP2700618A1 (en) * | 2012-08-20 | 2014-02-26 | Samsung Electronics Co., Ltd | Water softening apparatus |
| CN112645512A (en) * | 2019-10-11 | 2021-04-13 | 中国石油化工股份有限公司 | Sewage recycling device, process and application |
| CN112645512B (en) * | 2019-10-11 | 2022-08-12 | 中国石油化工股份有限公司 | Sewage recycling device, process and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111019 Effective date of abandoning: 20120829 |