CN207933137U - A kind of pulling flow type electrochemical softening of water device - Google Patents
A kind of pulling flow type electrochemical softening of water device Download PDFInfo
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- CN207933137U CN207933137U CN201820155114.7U CN201820155114U CN207933137U CN 207933137 U CN207933137 U CN 207933137U CN 201820155114 U CN201820155114 U CN 201820155114U CN 207933137 U CN207933137 U CN 207933137U
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- water
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- softening
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Abstract
The utility model discloses a kind of pulling flow type electrochemical softening of water devices.The spaced anodic-cathodic of right angle setting successively in electrochemical reactor, anodic-cathodic is staggered to form multiple electrodes room up and down, there are water passages for all cathodes or anode bottom, electrode chamber adjacent thereto is set to be connected in bottom, there are water passages at the top of all anode or cathodes, electrode chamber adjacent thereto is set to be connected at top, bottom water passage and top water passage are spaced.This method is two step blocked operations；Water softening stress-displacement stage：Hard water promotes water electrolysis by electrochemical reactor, using direct current, generates CaCO respectively3 With Mg (OH)2And it is deposited on cathode surface, the hardness ions in water are removed；The cathode detergency stage：It is passed through air to electrochemical reactor, the shearing force generated using bubbles burst carries out detergency to cathode, and the precipitation being removed is discharged from mud discharging mouth.The utility model is suitable for electric power, oil, the softening of the industries industrial circulating water such as HVAC.
Description
Technical field
The utility model is related to electrochemical softening of water method and apparatus, more particularly, to a kind of pulling flow type electrochemical softening of water
Device.
Background technology
The cold processing that recycles that electric power, petrochemical industry, steel and iron manufacturing industry evaporation cooling procedure generate in the middle all refers to
Softening.The conventional method softened both at home and abroad at present has chemical agent to add method, hyperfiltration and ion-exchange etc..These methods
Differ from one another.Compared with traditional method, electrochemistry tenderizer has that environmental-friendly, reaction condition is mild, treatment effeciency is high, suitable
The advantages that wide with range, therefore there is good industrial applications foreground in high rigidity wastewater treatment.
In recent years, electrochemical softening of water technology has carried out application study in industrial circulating water field, achieve it is larger into
Exhibition, keeps people more urgent to the expectation of this technology.But there is also many keys urgently to be resolved hurrily for electrochemical degradation technology
Sex chromosome mosaicism, one of them is exactly the design of electrochemical degradation device.Complete mix flow is simple in structure, at present at home and abroad
It is most widely used, however, complete not there is only serious back mixing, it is short stream and axial dispersion phenomenon, and exist compared with
More sloughs, this seriously reduces the volumetric efficiency of reactor, and then influences bating effect.Therefore, highly efficient electricity is designed
Chemical tendering water reactor is imperative.
Utility model content
In order to overcome the problems of Conventional electrochemical reactor in background technology, the purpose of this utility model is that carrying
For a kind of pulling flow type electrochemical softening of water device, to realize the efficient softening to industrial circulating water.
The technical solution adopted in the utility model is：
The utility model includes that left upper portion is provided with water inlet, 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；Anodic-cathodic is handed over up and down
Mistake forms multiple electrodes room, all cathodes or anode bottom, and there are water passages, and electrode chamber adjacent thereto is made to be connected in bottom,
There are water passages for all anodes or cathode top, and electrode chamber adjacent thereto is made to be connected at top, bottom water passage and top
Portion's water passage is spaced；Each anode interconnects, and each cathode also interconnects；Anode is connected with DC power anode, cloudy
Pole is connected with DC power cathode；Water inlet is connected through inlet valve with intake pump；Water outlet is connected with outlet valve；Bottom mud discharging mouth
It is connected with mud valve, bottom mud discharging mouth is connected through intake valve with air pump.
The anodic-cathodic is fixed on by U-lag in electrochemical reactor, and will be electric using sealing strip or fluid sealant
Pole plate is sealed with U-lag.
Electrode spacing between the anode and cathode is 2~20 mm.
The upper end of the anode and cathode all has protrusion perforation, and protrusion punching, which is fixed with wiring by screw, to be connected
It connects, is finally connected with DC power supply.
The cathode material is corrosion resistant metal or alloy, and shape is plate.
The anode material is DSA electrodes, and shape is plate.
The utility model has an advantageous effect in that：
1) back mixing, short stream and axial dispersion degree, slough plot ratio is significantly reduced to decline to a great extent.
2) reactor volume efficiency dramatically increases, and softening efficiency greatly improves.
3) significantly shorten between electrode, energy consumption declines to a great extent.
The utility model is suitable for electric power, oil, the softening of the industries industrial circulating water such as HVAC.
Description of the drawings
Fig. 1 is the utility model structure principle chart.
Fig. 2 is the A-A sectional views of Fig. 1 electrochemical reactors.
Fig. 3 is the B-B sectional views of Fig. 1 electrochemical reactors.
In figure：1, intake pump, 2, inlet valve, 3, water inlet, 4, cathode, 5, anode, 6, water outlet, 7, outlet valve, 8, electricity
Chemical reactor shell, 9, electrochemical reactor, 10, mud discharging mouth, 11, mud valve, 12, intake valve, 13, air pump.
Specific implementation mode
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 includes that left upper portion is provided with water inlet 3, right upper portion is provided with water outlet
Mouth 6 and bottom are provided with the electrochemical reactor shell 8 of mud discharging mouth 10；Anode 5 is spaced with cathode 4 and is perpendicularly fixed at electrification
It learns in reactor 9；Anodic-cathodic is staggered to form multiple electrodes room up and down, and there are water passages for all cathodes 4 or 5 bottom of anode
(there are water passages for 4 bottom of cathode in Fig. 1) makes electrode chamber adjacent thereto be connected in bottom, and all anodes 5 or cathode 4 push up
Portion makes electrode chamber adjacent thereto be connected at top, bottom mistake there are water passage (there are water passages at Fig. 1 Anodics 5 top)
Aquaporin and top water passage are spaced；Each anode 5 interconnects, and each cathode 4 also interconnects；Anode 5 and direct current
Source anode is connected, and cathode 4 is connected with DC power cathode；Water inlet 3 is connected through inlet valve 2 with intake pump 1；Water outlet 6 with go out
Water valve 7 is connected；Bottom mud discharging mouth 10 is connected with mud valve 11, and bottom mud discharging mouth 10 is connected through intake valve 12 with air pump 13.
As shown in Fig. 2, the anodic-cathodic is fixed on by U-lag in electrochemical reactor 9, and using sealing strip or
Fluid sealant seals electrode plate and U-lag.
Electrode spacing between the anode 5 and cathode 4 is 2~20 mm.
As shown in Fig. 2, the upper end of the anode 5 and cathode 4 all has protrusion perforation, protrusion punching passes through with wiring
Screw is fixedly connected, and is finally connected with DC power supply.
4 material of the cathode is corrosion resistant metal or alloy, and shape is plate.
5 material of the anode is DSA electrodes, and shape is plate.
The utility model processing and regenerative process are using water softening and two step blocked operations of cathode detergency；
1) when carrying out water softening processing：Intake valve 12 and mud valve 11 are closed, inlet valve 2 and outlet valve 7 are opened；It opens
Hard water is inputted electrochemical reactor 9 by intake pump 1 by inlet valve 2 from water inlet 3, and hard water is passed sequentially through a series of with baffling state
Electrode chamber.It is separated by staggered pattern above and below electrode between each electrode chamber, a portion electrode plate bottom is logical there are water is crossed
Road makes electrode chamber adjacent thereto be connected in bottom, and there are water passages for another part electrode plate top, make electrode adjacent thereto
Room is connected at top, and bottom water passage and top water passage are spaced；DC power supply is opened simultaneously, to electrochemical reaction
Device 9 applies direct current, is 10-300A/m using current density2Direct current promote water electrolysis, 4 surface of cathode generate OH- ,
With HCO in water3 - , Ca2+ And Mg2+Reaction generates CaCO respectively3 With Mg (OH)2And be deposited on cathode surface, the hardness in water from
Son is removed；In processing procedure, the gas that two electrodes generate is discharged by natural buoyancy from 9 top of electrochemical reactor.
2) when carrying out cathode detergency：DC power supply, inlet valve 2 and outlet valve 7 are closed, intake valve 12 is opened；Open air pump
Air is blasted electrochemical reactor 9 by 13 by intake valve 12 from each mud discharging mouth 10, passes through electrochemical reactor from bottom to top
9, the significant shear power generated using bubbles burst carries out detergency processing to cathode 4, and the precipitation of removing is transferred to from cathode surface
Water phase；During detergency, bubble is discharged by natural buoyancy from 9 top of electrochemical reactor；After detergency, intake valve is closed
12；Mud valve 11 is opened, the precipitation of removing is discharged from mud valve 11.
It is the embodiments of the present invention below.
Embodiment 1
Hardness is about 350 mg/L, and the industrial circulating water that inhibitor concentration is about 2 mg/L uses pulling flow type shown in FIG. 1
Electrochemical softening of water device handled.The size of anodic-cathodic is 10 × 10 × 2 cm, and the spacing between electrode is 10
Mm, reactor volume are 1400 mL.Operating condition is as follows：40 A/m of softening stress-displacement stage current density2；Softening stress-displacement stage average voltage
4.8 V；Softening stress-displacement stage handles 40 L/h of water velocity；Softening stress-displacement stage processing lasts 12 h；45 L/ of detergency stage air velocity
min；5 min of detergency phases-time.Operation result is as follows：It is 19.3 % that softening stress-displacement stage, which goes out total hardness of water ion average removal rate,
Deposition rate is 30.6 g/h/m2, the CaCO of 5.7 kWh/kg of energy consumption3。
Embodiment 2
Hardness is about 350 mg/L, and the industrial circulating water that inhibitor concentration is about 2 mg/L uses pulling flow type shown in FIG. 1
Electrochemical softening of water device handled.The size of anodic-cathodic is 10 × 10 × 2 cm, and the spacing between electrode is 20
Mm, reactor volume are 1400 mL.Operating condition is as follows：10 A/m of softening stress-displacement stage current density2；Softening stress-displacement stage average voltage
6.5 V, softening stress-displacement stage handle 80 L/h of water velocity；Softening stress-displacement stage processing lasts 9 h；25 L/ of detergency stage air velocity
min；10 min of detergency phases-time.Operation result is as follows：It is 13.5 % that softening stress-displacement stage, which goes out total hardness of water ion average removal rate,
Deposition rate is 14.4 g/h/m2, the CaCO of 11.2 kWh/kg of energy consumption3。
Embodiment 3
Hardness is about 350 mg/L, and the industrial circulating water that inhibitor concentration is about 2 mg/L uses pulling flow type shown in FIG. 1
Electrochemical softening of water device handled.The size of anodic-cathodic is 10 × 10 × 2 cm, and the spacing between electrode is 2
Mm, reactor volume are 1400 mL.Operating condition is as follows：300 A/m of softening stress-displacement stage current density2；Softening stress-displacement stage average voltage
12.2 V；Softening stress-displacement stage handles 60 L/h of water velocity；Softening stress-displacement stage processing lasts 6 h；60 L/ of detergency stage air velocity
min；2 min of detergency phases-time.Operation result is as follows：It is 16.1 % that softening stress-displacement stage, which goes out total hardness of water ion average removal rate,
Deposition rate is 105.74 g/h/m2, the CaCO of 56.2 kWh/kg of energy consumption3。
Claims (6)
1. a kind of pulling flow type electrochemical softening of water device, it is characterised in that：It is provided with water inlet including left upper portion（3）, on right side
Portion is provided with water outlet（6）It is provided with mud discharging mouth with bottom（10）Electrochemical reactor shell（8）；Anode（5）With cathode（4）It is alternate
It arranges and is perpendicularly fixed at electrochemical reactor（9）It is interior；Anodic-cathodic is staggered to form multiple electrodes room, all cathodes up and down（4）
Or anode（5）There are water passages for bottom, so that electrode chamber adjacent thereto is connected in bottom, all anodes（5）Or cathode（4）
There are water passages at top, so that electrode chamber adjacent thereto is connected at top, bottom water passage row alternate with top water passage
Row；Each anode（5）It interconnects, each cathode（4）Also it interconnects；Anode（5）It is connected with DC power anode, cathode（4）With
DC power cathode is connected；Water inlet（3）Through inlet valve（2）With intake pump（1）It is connected；Water outlet（6）With outlet valve（7）Phase
Even；Bottom mud discharging mouth（10）With mud valve（11）It is connected, bottom mud discharging mouth（10）Through intake valve（12）With air pump（13）It is connected.
2. a kind of pulling flow type electrochemical softening of water device according to claim 1, it is characterised in that：The anodic-cathodic is logical
It crosses U-lag and is fixed on electrochemical reactor（9）It is interior, and sealed electrode plate and U-lag using sealing strip or fluid sealant.
3. a kind of pulling flow type electrochemical softening of water device according to claim 1, it is characterised in that：The anode（5）With
Cathode（4）Between electrode spacing be 2~20 mm.
4. a kind of pulling flow type electrochemical softening of water device according to claim 1, it is characterised in that：The anode（5）With
Cathode（4）Upper end all have protrusion perforation, protrusion punching is fixedly connected with wiring by screw, finally and DC power supply
It is connected.
5. a kind of pulling flow type electrochemical softening of water device according to claim 1, it is characterised in that：The cathode（4）Material
Material is corrosion resistant metal or alloy, and shape is plate.
6. a kind of pulling flow type electrochemical softening of water device according to claim 1, it is characterised in that：The anode（5）Material
Material is DSA electrodes, and shape is plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820155114.7U CN207933137U (en) | 2018-01-30 | 2018-01-30 | A kind of pulling flow type electrochemical softening of water device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820155114.7U CN207933137U (en) | 2018-01-30 | 2018-01-30 | A kind of pulling flow type electrochemical softening of water device |
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| CN207933137U true CN207933137U (en) | 2018-10-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083455A (en) * | 2018-01-30 | 2018-05-29 | 浙江大学 | A kind of pulling flow type electrochemical softening of water method and apparatus |
| CN109534454A (en) * | 2018-12-17 | 2019-03-29 | 上海东方威尔节能技术有限公司 | Modularization normal pressure apparatus for electrochemical treatment |
| CN113003801A (en) * | 2021-03-03 | 2021-06-22 | 浙江大学 | Electrochemical treatment device and method for refractory organic wastewater powered by wind energy |
-
2018
- 2018-01-30 CN CN201820155114.7U patent/CN207933137U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083455A (en) * | 2018-01-30 | 2018-05-29 | 浙江大学 | A kind of pulling flow type electrochemical softening of water method and apparatus |
| CN109534454A (en) * | 2018-12-17 | 2019-03-29 | 上海东方威尔节能技术有限公司 | Modularization normal pressure apparatus for electrochemical treatment |
| CN113003801A (en) * | 2021-03-03 | 2021-06-22 | 浙江大学 | Electrochemical treatment device and method for refractory organic wastewater powered by wind energy |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181002 Effective date of abandoning: 20210323 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181002 Effective date of abandoning: 20210323 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |