CN206188462U - Automatic waste water electrolysis processing apparatus of scale removal - Google Patents
Automatic waste water electrolysis processing apparatus of scale removal Download PDFInfo
- Publication number
- CN206188462U CN206188462U CN201621175157.9U CN201621175157U CN206188462U CN 206188462 U CN206188462 U CN 206188462U CN 201621175157 U CN201621175157 U CN 201621175157U CN 206188462 U CN206188462 U CN 206188462U
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- Prior art keywords
- negative electrode
- scale removal
- power supply
- negative pole
- processing unit
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Abstract
The utility model discloses an automatic waste water electrolysis processing apparatus of scale removal, including the electrolysis trough at least a set of plate electrode interior with arranging the electrolysis trough in, still include working power supply and scale removal power, every group plate electrode includes: first anode and ultor, first anode and ultor insert working power supply's positive pole by the wire, be located the composite cathode between first anode and the first negative pole, composite cathode include first negative pole, second negative pole and be located first negative pole and the second negative pole between the insulating pad, first negative pole and second negative pole insert working power supply's negative pole by the wire, first negative pole and second negative pole are still inserted the positive pole and the negative pole of scale removal power respectively by the wire. The utility model provides an electrochemical method handle the problem of the easy scale deposit of waste water in -process cathode surface, the extension scribbles catalytic material's electrode life to can carry out the preliminary treatment to waste water.
Description
Technical field
The utility model belongs to field of waste water treatment, is related to a kind of sewage treatment equipment, and in particular to a kind of automatic desludging
Wastewater electrolytic processing unit.
Background technology
Electrochemical oxidation wastewater processing technology is to make pollutant that Direct Electrochemistry reaction to occur on electrode to send out pollutant
Raw redox transformation, or make contaminant degradation using the strong oxidizing property active material that electrode surface is produced.Electrochemistry oxygen
Changing PROCESS FOR TREATMENT waste water has the advantages that not produce secondary pollution, energy efficiency high, electrolysis installation and operating method simple, at place
Reason indegradable industrial effluent aspect is used widely.
In electrolytic process, pollutant is oxidized in anode surface and changes into small-molecule substance, reaches removal pollutant
Purpose, and reduction reaction can occur in cathode surface and produce a large amount of OH-, with some Ca in water2+、Mg2+Ion generates Ca (OH)2
With Mg (OH)2, with CO under aeration condition3 2-Reaction is converted into CaCO3And MgCO3Cathode surface is attached to, and as electrolysis is anti-
The carrying out answered constantly thickens.Electrode surface fouling can cause a series of problems for being unfavorable for electrochemical reaction to produce, such as increase energy
Consumption, reduction treatment effeciency, shortening pole plate service life etc..The Ca of higher concentration is usually contained in industrial wastewater2+、Mg2+, to this
Class waste water carries out the stable operation that pretreatment removing calcium and magnesium is conducive to electrolysis unit.
Conventional descaling method is broadly divided into chemical method and the major class of Physical two at present, and chemical method is generally electrodeless using addition
The medicaments such as Quadrafos, quick lime, sulfuric acid reach the purpose of removal calcium ions and magnesium ions, and chemical method can be to introducing other things in waste water
Matter, is likely to result in secondary pollution.Physical mainly using high pressure backwash, mechanical curettage method, reversal method etc., is urged scribbling
The electrode surface catalyst coatings infringement for changing material is very big, shortens electrode life.
Patent CN203112939U discloses a kind of electrolysis unit of movable electrode, and anode uses mesh electrode, into removing
During dirty state, mesh electrode open circuit carries out the scale removal of falling pole using negative electrode.It is mesh electrode that the utility model is only applicable to anode
Electrolysis unit, range of application is narrower.Patent CN203959890U discloses a kind of electrolytic oxidation wastewater treatment dress of automatic desludging
Put, two pieces of negative electrodes are set between every two pieces of adjacent anodes, disconnected into anode during scale removal program, carried out using two pieces of neighbouring cathodes
Scale removal.The utility model structure is complex, the contactor more difficult control under conditions of high current during practical engineering application.
Utility model content
The utility model provides a kind of wastewater electrolytic processing unit of automatic desludging, using composite cathode, while scale removal and
Electrolysis, two sets of power supplys independently are installed and operation is simple.
A kind of wastewater electrolytic processing unit of automatic desludging, including electrolytic cell and at least one set of electrode being placed in electrolytic cell
Plate, also including working power and scale removal power supply, every group of battery lead plate includes：
The first anode and second plate, the first anode and second plate by wire cut-in operation power supply positive pole；
Composite cathode between the first anode and the first negative electrode, the composite cathode includes the first negative electrode, second the moon
Pole and the insulation spacer between the first negative electrode and the second negative electrode, first negative electrode and the second negative electrode access work by wire
Make the negative pole of power supply, first negative electrode and the second negative electrode are also respectively connected to the positive pole and negative pole of scale removal power supply by wire.
Preferably, all electrodes are inserted vertically into electrolytic cell.
Waste water carries out electrochemical treatments into electrolytic cell, and working power starts during electrolysis, scale removal power-off, working power
Positive pole and two anodes are connected, and the first negative electrode and the second negative electrode are connected with working power negative pole, carry out electrochemical wastewater treatment
In the stage, when working power voltage raises 10%~20%, working power is closed, open scale removal power supply, electrolytic cell enters scale removal
State；During into scale removal state I, scale removal power initiation, working power is closed, and anode disconnects, and the first negative electrode is with scale removal power supply just
Extremely it is connected, the second negative electrode is connected with scale removal power cathode, and scale removal is carried out to the first negative electrode；During into scale removal state I I, work electricity
Source is closed, and anode disconnects, and scale removal power supply reversal, the second negative electrode is connected with scale removal positive source, and the first negative electrode is electric with scale removal
Source negative pole is connected, and scale removal is carried out to the second negative electrode；Scale removal state I is with II alternately.
To increase the automation of device, it is preferable that be additionally provided with controller, the working power and scale removal power supply are accessed simultaneously
It is controlled by the controller.The controller that extremely has of switching and scale removal power supply between two power supplys is controlled.
The controller is this area conventional controller, such as PLC etc..
Preferably, the first anode and second plate are DSA coated electrodes.
Composite cathode is made up of the first negative electrode, the second negative electrode and insulation spacer, by multiple insulation spacers between two-plate
Isolation, constitutes composite cathode, it is preferable that the spacing between first negative electrode and the second negative electrode is 5~10mm.
Insulation spacer is PVC disks, and a diameter of 10~20mm, thickness is 5~10mm, it is ensured that the first negative electrode and the second negative electrode
, in 5~10mm, less electrode spacing can high current density, raising scale removal efficiency during scale removal for spacing.
Preferably, first negative electrode and the second negative electrode are mesh electrode.Because negative electrode is mesh electrode, pole plate
The dirty layer of both side surface can be removed, for example, titanium net electrode can be used.
Preferably, the working power is dc source, and the scale removal power supply is the automatic dc source of falling pole.Pass through city
Purchase approach is obtained.
Scale removal power supply current density is in 30~60A/m2, the scale removal time is in 20~40min；Scale removal power supply is to fall automatically
Pole power supply, every 3~5min changes both positive and negative polarity.
Preferably, the electrolytic cell top is provided with gas skirt.
Preferably, the bottom of electrolytic tank is provided with bucket.
Preferably, the aeration tube below battery lead plate, the external air pump of aeration tube are provided with the electrolytic cell.
The aeration tube is placed in composite cathode lower section, and electrolytic process is well mixed waste water in electrolytic cell, during scale removal
Negative electrode dirt layer is washed away, is accelerated dirty layer and is come off；
The bucket is located at bottom of electrolytic tank, and aeration tube lower section, the dirty layer for coming off is collected into bucket, scale removal process operation
Automatic mud removing is carried out after 5~10 times.
The utility model solves the problems, such as the easy fouling of cathode surface during electrochemical process treatment waste water, and extension is scribbled
The electrode life of catalysis material, and waste water can be pre-processed, compared with prior art, have the advantages that：
(1) scale removal is carried out using composite cathode, scale removal anodic disconnects power supply, pole is removed can to avoid tradition
To the infringement of anodic coating during dirt, extend pole plate service life；
(2) using insulation spacer isolation in the middle of composite cathode, it is ensured that while two pieces of pole plates are not short-circuited, interval is reduced
Distance, can improve current efficiency, accelerate scale removal speed；
(3) composite cathode uses mesh electrode, and electronics and zwitterion can be made to be reacted through pole plate, makes composite cathode
Two dirty complexions layer in the outer part can also be quickly removed；
(4) electrolysis and two functions of scale removal are realized using working power and scale removal power supply, makes circuit arrangement and automatically control
It is more easy, and in engineer applied, electric current is very big, there is certain danger using ON-OFF control circuit, using two power supplys,
Power supply only need to be controlled, safety coefficient is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model electrolysis schematic diagram.
Reference is as follows shown in figure：
1- electrolytic cell 2- water inlet pipe 3- battery lead plates
4- evacuated tube 5- bucket 6- gas skirts
7- outlet pipe 8- aeration tube 9- air pumps
The 10- scale removal power supply 11- working power 31- first anode
32- second plates 33- the first negative electrode the second negative electrodes of 34-
35- insulation spacers.
Specific embodiment
The utility model is described further with reference to example.
As depicted in figs. 1 and 2, a kind of wastewater electrolytic processing unit of automatic desludging, including electrolytic cell 1, working power 11
With scale removal power supply 10, electrolytic cell is conventional electrolysis groove, and electrolytic cell is connected with water inlet pipe 2 and outlet pipe 7, and bottom is connected with blow-down pipe 4,
Bottom of electrolytic tank sets bucket 5, and main header casing sets gas skirt 6；Working power is dc source, and scale removal power supply is the automatic direct current of falling pole
Power supply.
Battery lead plate 3 is set in electrolytic cell, and battery lead plate (sets some groups, setting group at least provided with one group in present embodiment
It is several to be determined according to electrolytic cell size), the structure of every group of battery lead plate and with two connected modes of power supply as shown in Fig. 2 including two
Individual anode (first anode 31 and second plate 32) and the composite cathode between two anodes, two anodes connect by wire
Enter the positive pole of working power.
Composite cathode is by two negative electrodes (the first negative electrode 33 and the second negative electrode 34) and the felt pad between two negative electrodes
Piece 35 is constituted, the first negative electrode and the first negative electrode by corresponding wire cut-in operation power supply 11 negative pole, meanwhile, the first negative electrode and
Two negative electrodes are also respectively connected to positive pole and negative pole (positive pole, second of the first negative electrode connection scale removal power supply of scale removal power supply 10 by wire
Negative electrode connects the negative pole of scale removal power supply).
The first anode and second plate are DSA coated electrodes；First negative electrode and the second negative electrode are titanium net electrode；Insulation spacer
It is PVC disks, is set to multiple, a diameter of 10~20mm, thickness is 5~10mm, it is ensured that the first negative electrode and the second negative electrode spacing
In 5~10mm.
The bottom of electrolytic cell 1 is provided with aeration tube 8, the external air pump 9 of aeration tube.
A controller (not shown) is also set up, the controller is conventional automatic controller, such as PLC, work
Make power supply and scale removal power supply accessed and is controlled by the controller, the pole of switching and scale removal electrode between two power supplys by
Controller is automatically controlled.
Working method during the utility model treatment waste water is as follows：
The first step, waste water carries out electrochemical treatments into electrolytic cell 1, and working power starts during electrolysis, scale removal power-off,
The positive pole of working power 11 and two anodes are connected, and the first negative electrode 33 and the second negative electrode 34 are connected with working power negative pole, are carried out
Electrochemical wastewater processing stage, the stage current density is 30~100A/m2；
Second step, when the voltage of working power 11 raises 10%~20%, robot control system(RCS) (controller) receives signal, closes
Working power 11, opens scale removal power supply 10, and electrolytic cell 1 enters scale removal state；
3rd step, during into scale removal state I, scale removal power supply 10 starts, and working power 11 is closed, and two anodes disconnect, the
One negative electrode 33 is connected with the positive pole of scale removal power supply 10, and the second negative electrode 34 is connected with the negative pole of scale removal power supply 10, and the first negative electrode 33 is carried out
Scale removal, because negative electrode is mesh electrode, the dirty layer of pole plate both side surface can be removed；
4th step, during into scale removal state I I, working power 11 is closed, and anode disconnects, the reversal of scale removal power supply 10, the
Two negative electrodes 34 are connected with the positive pole of scale removal power supply 10, and the first negative electrode 33 is connected with the negative pole of scale removal power supply 10, and the second negative electrode 34 is carried out
Scale removal, because negative electrode is mesh electrode, the dirty layer of pole plate both side surface can be removed；
5th step, with II alternately, alternating frequency is 3~5min to scale removal state I, and the scale removal time is 20~60min, directly
It is completely removed to dirty layer；
6th step, working power 11 and the alternation of scale removal power supply 10, can freely adjust according to the concentration of calcium ion in waste water
The section working time of electrolytic cell 1 and scale removal time, it is ensured that pole plate is not influenceed by fouling, normal operation；
7th step, the bottom of electrolytic cell 1 is provided with aeration tube 8, using bubble and the souring of current, accelerates the de- of dirty layer
Fall, be aerated the gases used generation for using nitrogen, dirty layer during electrochemical treatment of wastewater being reduced；
8th step, bucket 5 is placed in the lower section of aeration tube 8, and the dirty layer for coming off is deposited in bucket 5, scale removal process operation 5~10
After secondary, residue is discharged from bottom；
9th step, electrolytic cell top is provided with gas skirt 6, by leading in the exhaust gas centralized that will be produced during electrochemical treatment of wastewater
Tracheae is delivered to emission-control equipment and is processed.
The foregoing is only the specific implementation case of the utility model patent, but the utility model patent technical characteristic simultaneously
This is not limited to, any those skilled in the relevant art in field of the present utility model, all cover by the change or modification made
Among the scope of the claims of the present utility model.
Claims (9)
1. a kind of wastewater electrolytic processing unit of automatic desludging, including electrolytic cell and at least one set of electrode being placed in electrolytic cell
Plate, it is characterised in that also including working power and scale removal power supply, every group of battery lead plate includes：
The first anode and second plate, the first anode and second plate by wire cut-in operation power supply positive pole；
Composite cathode between the first anode and the first negative electrode, the composite cathode include the first negative electrode, the second negative electrode and
Insulation spacer between the first negative electrode and the second negative electrode, first negative electrode and the second negative electrode are by wire cut-in operation electricity
The negative pole in source, first negative electrode and the second negative electrode are also respectively connected to the positive pole and negative pole of scale removal power supply by wire.
2. the wastewater electrolytic processing unit of automatic desludging according to claim 1, it is characterised in that be additionally provided with controller, institute
State working power and scale removal power supply is accessed and is controlled by the controller.
3. the wastewater electrolytic processing unit of automatic desludging according to claim 1, it is characterised in that the first anode and
Two anodes are DSA coated electrodes.
4. the wastewater electrolytic processing unit of automatic desludging according to claim 1, it is characterised in that first negative electrode and
Spacing between two negative electrodes is 5~10mm.
5. the wastewater electrolytic processing unit of automatic desludging according to claim 1, it is characterised in that first negative electrode and
Two negative electrodes are mesh electrode.
6. the wastewater electrolytic processing unit of automatic desludging according to claim 1, it is characterised in that the working power is straight
Stream power supply, the scale removal power supply is the automatic dc source of falling pole.
7. the wastewater electrolytic processing unit of automatic desludging according to claim 1, it is characterised in that the electrolytic cell top sets
There is gas skirt.
8. the wastewater electrolytic processing unit of automatic desludging according to claim 1, it is characterised in that the bottom of electrolytic tank sets
There is bucket.
9. the wastewater electrolytic processing unit of automatic desludging according to claim 1, it is characterised in that be provided with the electrolytic cell
Aeration tube below battery lead plate, the external air pump of aeration tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175157.9U CN206188462U (en) | 2016-10-27 | 2016-10-27 | Automatic waste water electrolysis processing apparatus of scale removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175157.9U CN206188462U (en) | 2016-10-27 | 2016-10-27 | Automatic waste water electrolysis processing apparatus of scale removal |
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| Publication Number | Publication Date |
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| CN206188462U true CN206188462U (en) | 2017-05-24 |
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ID=58732091
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621175157.9U Expired - Fee Related CN206188462U (en) | 2016-10-27 | 2016-10-27 | Automatic waste water electrolysis processing apparatus of scale removal |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107055704A (en) * | 2017-06-06 | 2017-08-18 | 苏州市玄天环保科技有限公司 | A kind of water pollution processing unit |
| CN107245726A (en) * | 2017-06-11 | 2017-10-13 | 王兆兵 | A kind of high-efficiency self-cleaning electrolysis system and its descaling method |
| CN108793336A (en) * | 2018-07-04 | 2018-11-13 | 湖北省南峰节能服务有限公司 | A kind of electrochemical sterilization apparatus for eliminating sludge with self-cleaning function |
| CN109809529A (en) * | 2018-09-10 | 2019-05-28 | 佛山市顺德区悍高五金制品有限公司 | A kind of electrolysis unit and its auto-cleaning method that can be cleaned automatically |
| CN111995072A (en) * | 2020-09-03 | 2020-11-27 | 浙江大学 | Double-cathode and anode switching ion-exchange membrane electrodeposition device |
| CN112279345A (en) * | 2020-10-26 | 2021-01-29 | 济南大学 | Method for solving electrochemical cathode scaling |
| CN112299553A (en) * | 2020-10-26 | 2021-02-02 | 济南大学 | Method for solving cathode scaling of electrocatalysis biological aerated filter |
| CN112408434A (en) * | 2020-09-15 | 2021-02-26 | 泉州南京大学环保产业研究院 | Iron removal method for natural alkali mother liquor |
| CN112408552A (en) * | 2020-10-29 | 2021-02-26 | 南京友智科技有限公司 | Automatic descaling device and method for electrode plate |
| CN114249387A (en) * | 2021-12-29 | 2022-03-29 | 浙江大学 | Method for treating circulating cooling water by deposition electrode self-coupling inverse pole descale |
| CN114516678A (en) * | 2020-11-16 | 2022-05-20 | 广东美的制冷设备有限公司 | Water electrolysis device electrode reversing control method and device, terminal equipment and storage medium |
| CN115784389A (en) * | 2022-11-25 | 2023-03-14 | 珠海格力电器股份有限公司 | Sterilized water producing machine and control method |
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2016
- 2016-10-27 CN CN201621175157.9U patent/CN206188462U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055704A (en) * | 2017-06-06 | 2017-08-18 | 苏州市玄天环保科技有限公司 | A kind of water pollution processing unit |
| CN107245726A (en) * | 2017-06-11 | 2017-10-13 | 王兆兵 | A kind of high-efficiency self-cleaning electrolysis system and its descaling method |
| CN108793336A (en) * | 2018-07-04 | 2018-11-13 | 湖北省南峰节能服务有限公司 | A kind of electrochemical sterilization apparatus for eliminating sludge with self-cleaning function |
| CN109809529A (en) * | 2018-09-10 | 2019-05-28 | 佛山市顺德区悍高五金制品有限公司 | A kind of electrolysis unit and its auto-cleaning method that can be cleaned automatically |
| CN111995072A (en) * | 2020-09-03 | 2020-11-27 | 浙江大学 | Double-cathode and anode switching ion-exchange membrane electrodeposition device |
| CN112408434A (en) * | 2020-09-15 | 2021-02-26 | 泉州南京大学环保产业研究院 | Iron removal method for natural alkali mother liquor |
| CN112408434B (en) * | 2020-09-15 | 2023-03-21 | 泉州南京大学环保产业研究院 | Iron removal method for natural alkali mother liquor |
| CN112299553A (en) * | 2020-10-26 | 2021-02-02 | 济南大学 | Method for solving cathode scaling of electrocatalysis biological aerated filter |
| CN112279345A (en) * | 2020-10-26 | 2021-01-29 | 济南大学 | Method for solving electrochemical cathode scaling |
| CN112408552A (en) * | 2020-10-29 | 2021-02-26 | 南京友智科技有限公司 | Automatic descaling device and method for electrode plate |
| CN114516678A (en) * | 2020-11-16 | 2022-05-20 | 广东美的制冷设备有限公司 | Water electrolysis device electrode reversing control method and device, terminal equipment and storage medium |
| CN114249387A (en) * | 2021-12-29 | 2022-03-29 | 浙江大学 | Method for treating circulating cooling water by deposition electrode self-coupling inverse pole descale |
| CN115784389A (en) * | 2022-11-25 | 2023-03-14 | 珠海格力电器股份有限公司 | Sterilized water producing machine and control method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170524 Termination date: 20201027 |