CN207511931U - The electrochemical softening of water device that a kind of electric current alternately changes - Google Patents
The electrochemical softening of water device that a kind of electric current alternately changes Download PDFInfo
- Publication number
- CN207511931U CN207511931U CN201721541957.2U CN201721541957U CN207511931U CN 207511931 U CN207511931 U CN 207511931U CN 201721541957 U CN201721541957 U CN 201721541957U CN 207511931 U CN207511931 U CN 207511931U
- Authority
- CN
- China
- Prior art keywords
- water
- cathode
- softening
- electrochemical
- electric current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses the electrochemical softening of water devices that a kind of electric current alternately changes.Two pieces of right angle setting or the spaced anodic-cathodic of polylith successively in electrochemical reactor.Using two step blocked operations, water softening stage：Hard water promotes water electrolysis, cathode surface generates high concentration OH by electrochemical reactor using direct current‑, with HCO in water3 ‑, Ca2+And Mg2+Reaction generates CaCO respectively3With Mg (OH)2And cathode surface is deposited on, the hardness ions in water are removed；The cathode detergency stage：Electrode current density is improved, strengthen water electrolysis and generates a large amount of H in dirty lamellar spacing2, with H2Accumulation in dirty lamellar spacing, the pressure that bubble constantly enhances the generation of dirty layer, crushes dirty layer and comes off, and the precipitation being removed is discharged from mud discharging mouth.The utility model is suitable for the purification of the heavy metal ion-containing waste waters such as softening and the electroplate rinsing of the industries industrial circulating waters such as electric power, oil, HVAC.
Description
Technical field
The utility model is related to electrochemical softening of water devices, soften more particularly, to the electrochemistry that a kind of electric current alternately changes
Water installations.
Background technology
The processing of recirculated cooling water that electric power, petrochemical industry, steel and iron manufacturing industry evaporation cooling procedure generate in the middle relates to
And to softening.Electrochemistry tenderizer is that one kind only needs power consumption, the environmentally friendly tenderizer without chemical agent consumption.With change
Learn adding of agent method, hyperfiltration is compared with conventional methods such as ion-exchanges, electrochemistry tenderizer be provided simultaneously with it is environmental-friendly,
Outstanding advantages for the treatment of effeciency is high, applied widely and easy to operate, therefore there is good work in high rigidity wastewater treatment
Industry application prospect.
In electrochemistry softening process, when the gradual covered cathode surface of dirty layer, the problem of cathode performance being caused to fail, because
This needs often to carry out detergency processing to cathode surface.Mechanical detergency method have it is easy to operate, advantages of environment protection exists at present
Domestic and international application is most extensive, but there are still some defects at present.First, installation of the mechanical scraper between anode and cathode is inevitable
Ground increases the spacing between electrode, this not only increases energy consumption, but also influences hardness removal efficiency due to the cathode gross area is limited.Its
Secondary, after long-term use, mechanical detergency efficiency can be decreased obviously.In addition, because of the addition of detergency equipment, electrochemical appliance structure
It complicates, maintenance difficult.
Utility model content
In order to overcome the problems of detergency in background technology, the purpose of this utility model is to provide a kind of friendships of electric current
For the electrochemical softening of water device of variation, to realize the efficient detergency to electrochemistry softening plant.Softened water stage, electrochemistry are anti-
Hardness ions should be removed and be adsorbed on cathode with precipitation form；The detergency stage improves current density and in situ take off is carried out to cathode
Dirt processing.
The technical solution adopted in the utility model is：
The utility model is provided with water inlet including left bottom, right upper portion is provided with water outlet and bottom is provided with mud discharging mouth
Electrochemical reactor shell；Anode is spaced with cathode and is perpendicularly fixed in electrochemical reactor shell；Each anode is mutual
Connection, each cathode also interconnect；Anode is connected with DC power anode, and cathode is connected with DC power cathode；Water inlet passes through
Inlet valve is connected with intake pump；Water outlet is connected with outlet valve；Mud discharging mouth is connected with mud valve.
Electrode spacing between the anode and cathode is 2~10 mm.
The upper end of the anode and cathode is respectively provided with protrusion perforation, and protrusion punching is fixed with wiring by screw to be connected
It connects, is finally connected with DC power supply.
The cathode uses minute surface corrosion resistant metal or alloy, and shape is plate.
The utility model has an advantageous effect in that：
1) apparatus structure significantly simplifies, and operational management is easier；
2) cathode effective area dramatically increases, and scale removal efficiency greatly improves；
3) electrode spacing significantly shortens, and energy consumption declines to a great extent；
The utility model is suitable for softening and electroplate rinsing of the industries industrial circulating waters such as electric power, oil, HVAC etc. and contains
The purification of effluent containing heavy metal ions.
Description of the drawings
Fig. 1 is the utility model structure principle chart.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the B-B sectional views of Fig. 1.
In figure：1st, DC power supply, 2, anode, 3, cathode, 4, electrochemical reactor, 5, electrochemical reactor shell, 6, into
Water pump, 7, inlet valve, 8, water inlet, 9, mud discharging mouth, 10, mud valve, 11, water outlet, 12, outlet valve, 13, cathode connection, 14,
Anode connection.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model is provided with water inlet 8 including left bottom, right upper portion is provided with water outlet
Mouth 11 and bottom are provided with the electrochemical reactor shell 5 of mud discharging mouth 9；Anode 2 is spaced with cathode 3 and is perpendicularly fixed at electrification
It learns in reactor 4；Each anode 2 interconnects, and each cathode 3 also interconnects；Anode 2 passes through anode connection 14 and DC power supply 1
Anode is connected, and cathode 3 is connected by cathode connection 13 with 1 cathode of DC power supply；Water inlet 8 is through inlet valve 7 and 6 phase of intake pump
Even；Water outlet 11 is connected with outlet valve 12；Mud discharging mouth 9 is connected with mud valve 10.
Electrode spacing between the anode 2 and cathode 3 is 2~10 mm.
The upper end of the anode 2 and cathode 3 is respectively provided with protrusion perforation, and protrusion punching is fixed with wiring by screw to be connected
It connects, is finally connected with DC power supply 1.
The cathode 3 uses minute surface corrosion resistant metal or alloy, and shape is plate.
The utility model is using water softening and two step blocked operations of cathode detergency；
1) when carrying out water softening processing：Mud valve 10 is closed, opens inlet valve 7 and outlet valve 12；Opening intake pump 6 will
Hard water inputs electrochemical reactor 4 by inlet valve 7 from water inlet 8, passes through electrochemical reactor 4 from bottom to top；It opens simultaneously
DC power supply 1 applies direct current to electrochemical reactor 4, is 10-250 A/m using current density2Direct current promote water power
Solution, 3 surface of cathode generate high concentration OH- ；OH caused by recycling-With HCO in water3 - , Ca2+ And Mg2+Reaction generates respectively
CaCO3 With Mg (OH)2And cathode surface is deposited on, the hardness ions in water are removed；In processing procedure, two electrodes generate
Gas discharged by natural buoyancy from the top of electrochemical reactor 4.
2) when carrying out cathode detergency：Outlet valve 12, inlet valve 7 and mud valve 10 are closed, electrode is made to be totally submerged in solution
In；DC power supply 1 is opened simultaneously, direct current is applied to electrochemical reactor 4, is 300-1000 A/m using current density2's
Direct current strengthens water electrolysis, and a large amount of H are generated in dirty lamellar spacing2, with H2Accumulation in dirty lamellar spacing, bubble generate not dirty layer
The pressure of disconnected enhancing, crushes dirty layer and comes off, the precipitation of removing is transferred to water phase from cathode surface；During detergency, two
The gas that electrode generates is discharged by natural buoyancy from 4 top of electrochemical reactor；After detergency, mud valve 10 is opened；Together
When close DC power supply 1, the precipitation of removing is discharged from mud valve 10.
Embodiment：
Hardness is about 350mg/L, and the industrial circulating water that inhibitor concentration is about 2mg/L is carried out using Tthe utility model system
Processing.System uses one piece of DSA plate-shaped anode and one piece of mirror face stainless steel plate-like cathodes, and the size of electrode is 21 × 7 × 2
Cm, the clear spacing between two electrodes are 5mm, reactor volume 100mL.Operating condition is as follows：Softening stress-displacement stage current density
100A/m2；Softening stress-displacement stage average voltage 6.8V；Softening stress-displacement stage processing water velocity 10L/h；Softening stress-displacement stage processing lasts 12h；It is de-
Dirty stage current density 500A/m2；Detergency stage average voltage 19.6V；Detergency stage water velocity 15L/h；During the detergency stage
Between 5min.Operation result is as follows：Softening stress-displacement stage goes out total hardness of water ion average removal rate for 13.5 %, and deposition rate is 28 g/
h/m2, 21 kWh/kg CaCO of energy consumption3。
Claims (4)
1. a kind of electrochemical softening of water device that electric current alternately changes, it is characterised in that：Water inlet is provided with including left bottom
（8）, right upper portion be provided with water outlet（11）Mud discharging mouth is provided with bottom（9）Electrochemical reactor shell（5）；Anode（2）With
Cathode（3）It is spaced and be perpendicularly fixed at electrochemical reactor（4）It is interior；Each anode（2）It interconnects, each cathode（3）Also mutually
It is connected；Anode（2）With DC power supply（1）Anode is connected, cathode（3）With DC power supply（1）Cathode is connected；Water inlet（8）Through
Inlet valve（7）With intake pump（6）It is connected；Water outlet（11）With outlet valve（12）It is connected；Mud discharging mouth（9）With mud valve（10）Phase
Even.
2. the electrochemical softening of water device that a kind of electric current according to claim 1 alternately changes, it is characterised in that：The sun
Pole（2）And cathode（3）Between electrode spacing be 2~10 mm.
3. the electrochemical softening of water device that a kind of electric current according to claim 1 alternately changes, it is characterised in that：The sun
Pole（2）And cathode（3）Upper end be respectively provided with protrusion perforation, protrusion punching is fixedly connected with wiring by screw, finally with
DC power supply（1）It is connected.
4. the electrochemical softening of water device that a kind of electric current according to claim 1 alternately changes, it is characterised in that：Described the moon
Pole（3）Using minute surface corrosion resistant metal or alloy, shape is plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541957.2U CN207511931U (en) | 2017-11-17 | 2017-11-17 | The electrochemical softening of water device that a kind of electric current alternately changes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721541957.2U CN207511931U (en) | 2017-11-17 | 2017-11-17 | The electrochemical softening of water device that a kind of electric current alternately changes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207511931U true CN207511931U (en) | 2018-06-19 |
Family
ID=62539727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721541957.2U Withdrawn - After Issue CN207511931U (en) | 2017-11-17 | 2017-11-17 | The electrochemical softening of water device that a kind of electric current alternately changes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207511931U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879488A (en) * | 2017-11-17 | 2018-04-06 | 浙江大学 | The electrochemical softening of water method and apparatus that electric current alternately changes |
| CN108609748A (en) * | 2018-07-18 | 2018-10-02 | 浙江大学 | Ion film electrodeposition device and deposition method for recirculated cooling water sofening treatment |
| CN109399812A (en) * | 2018-12-20 | 2019-03-01 | 大连理工大学 | A kind of electrochemical descaling device |
| CN110330152A (en) * | 2019-06-19 | 2019-10-15 | 天津碧水源膜材料有限公司 | A kind of water purifier based on electric descalling technique |
| CN114680349A (en) * | 2020-12-31 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | Cleaning device |
| CN115784382A (en) * | 2022-11-28 | 2023-03-14 | 宁夏金裕海化工有限公司 | Circulating water electrochemical water treatment method |
-
2017
- 2017-11-17 CN CN201721541957.2U patent/CN207511931U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879488A (en) * | 2017-11-17 | 2018-04-06 | 浙江大学 | The electrochemical softening of water method and apparatus that electric current alternately changes |
| CN108609748A (en) * | 2018-07-18 | 2018-10-02 | 浙江大学 | Ion film electrodeposition device and deposition method for recirculated cooling water sofening treatment |
| CN108609748B (en) * | 2018-07-18 | 2021-10-29 | 浙江大学 | Ion membrane electrodeposition device and deposition method for softening treatment of circulating cooling water |
| CN109399812A (en) * | 2018-12-20 | 2019-03-01 | 大连理工大学 | A kind of electrochemical descaling device |
| CN110330152A (en) * | 2019-06-19 | 2019-10-15 | 天津碧水源膜材料有限公司 | A kind of water purifier based on electric descalling technique |
| CN114680349A (en) * | 2020-12-31 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | Cleaning device |
| CN114680349B (en) * | 2020-12-31 | 2023-05-26 | 广东美的白色家电技术创新中心有限公司 | Cleaning device |
| CN115784382A (en) * | 2022-11-28 | 2023-03-14 | 宁夏金裕海化工有限公司 | Circulating water electrochemical water treatment method |
| CN115784382B (en) * | 2022-11-28 | 2023-10-13 | 宁夏金裕海化工有限公司 | Method for treating circulated water electrochemical water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207511931U (en) | The electrochemical softening of water device that a kind of electric current alternately changes | |
| CN107244772A (en) | Air washes away the electrochemical softening of water method and system of detergency | |
| CN201713362U (en) | Plate type compound electrochemical device used for recovering heavy metal in wastewater | |
| CN104313584A (en) | Method and system for electrolyzing copper-containing etching liquid to obtain copper plate and regenerating and recycling etching liquid | |
| CN201534880U (en) | Device for electrolyzing and recycling copper from low-concentration waste liquid with copper generated from microetching and pickling | |
| CN110357220A (en) | A kind of electrochemical couple removes the method and device of chloride ion in desulfurization wastewater | |
| CN112387770B (en) | Alternating current electrochemical remediation device and method for hexavalent chromium contaminated soil | |
| CN2928876Y (en) | Three dimension over potentionial electrode electrolytic device | |
| CN103833167A (en) | Chromic acid wastewater treatment method and system | |
| CN107879488A (en) | The electrochemical softening of water method and apparatus that electric current alternately changes | |
| CN203112939U (en) | Rearrangeable-electrode electrolytic apparatus | |
| CN102002729A (en) | Copper-containing waste etching solution treatment method and etching solution regeneration method | |
| CN206705755U (en) | A kind of circulating water treatment box body device | |
| CN105417645A (en) | Cylindrical electrocatalytic oxidation reaction apparatus | |
| CN207774875U (en) | Electro-chemical water processing polar plate device, reative cell and circular water treating system | |
| CN207933137U (en) | A kind of pulling flow type electrochemical softening of water device | |
| CN208182760U (en) | A kind of heavy metal wastewater treatment apparatus | |
| CN101982566A (en) | Device and method thereof for recovering metallic nickel ions in electroplating wastewater | |
| CN201390684Y (en) | System for recycling etching wastewater and heavy metal | |
| CN108609748B (en) | Ion membrane electrodeposition device and deposition method for softening treatment of circulating cooling water | |
| CN101538076A (en) | Environment-friendly waste water processing method and equipment | |
| CN206735976U (en) | Air washes away the electrochemical softening of water system of detergency | |
| CN110937666A (en) | Anode protection type automatic descaling device for electrolyzing salt-containing organic wastewater | |
| CN207192878U (en) | A kind of electrochemical processing apparatus of heavy metal-containing waste water | |
| CN203112938U (en) | Multi-voltage variable-electrode electrolyzer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180619 Effective date of abandoning: 20210407 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180619 Effective date of abandoning: 20210407 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |