CN106430451A - Method and device for producing subacid electrolyzed water - Google Patents
Method and device for producing subacid electrolyzed water Download PDFInfo
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- CN106430451A CN106430451A CN201611061042.1A CN201611061042A CN106430451A CN 106430451 A CN106430451 A CN 106430451A CN 201611061042 A CN201611061042 A CN 201611061042A CN 106430451 A CN106430451 A CN 106430451A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
- C02F2001/46185—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water only anodic or acidic water, e.g. for oxidizing or sterilizing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4618—Supplying or removing reactants or electrolyte
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/04—Oxidation reduction potential [ORP]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/29—Chlorine compounds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention relates to a method and a device for producing subacid electrolyzed water, which belong to the technical field of water treatment. The device used by the method comprises an electrolytic cell body divided into an anode chamber and a cathode chamber by a diaphragm, wherein the diaphragm is fixed through a clapboard; an anode is arranged in the anode chamber; a cathode is arranged in the cathode chamber; the anode and the cathode are respectively connected with a power supply through guide wires; a cathode chamber inlet is arranged in the upper part of the cathode chamber; an alkaline water outlet is formed in the bottom part of the cathode chamber and is connected with an alkaline water branch line; an alkaline water adjusting valve is arranged on the alkaline water branch line; a proportional control valve is arranged on the clapboard and penetrates through the bottom part of the diaphragm; an anode chamber outlet is formed in the upper part of the anode chamber and is connected with a subacid electrolysis water branch line; a producing water adjusting valve is arranged on the subacid electrolysis water branch line. The method comprises: an electrolyzer enters the cathode chamber from the cathode chamber inlet so as to be electrolyzed, part of alkaline water produced by electrolysis enters the anode chamber through the proportional control valve so as to be electrolyzed, and the subacid electrolyzed water is obtained. According to the method and device provided by the invention, a sodium chloride water solution is adopted as the electrolyzer so as to be convenient to transport, store and use.
Description
Technical field
The present invention relates to a kind of method producing subacidity electrolysis water and its device, belong to water-treatment technology field.
Background technology
Traditional subacidity electrolysis water generating principle is：After softened for tap water process, (NaCl is referred to as to add electrolyzer
" salt " and Determining Micro Acid) it is electrolysed in the electrolysis bath of no ion diaphragm, generate the electrolysis of the subacidity containing hypochlorous acid molecule (HClO)
Aqueous disinfectant, its generating principle schematic diagram is as shown in Figure 1.
Tap water and electrolyzer [NaCl and Determining Micro Acid (hydrochloric acid)] enter after uniformly mixing in a mixer by a certain percentage
Diaphragm-free electrolysis room, under weak electric field effect, there is electrochemical reaction in yin, yang the two poles of the earth, and water occurs electrolysis to create in anode
Chlorine, generates chlorine-containing compound, active oxygen, the aqueous solution of hydrogen peroxide, have instantaneous, wide spectrum, efficiently, the sterilization of noresidue special
Property.
But, one of electrolyzer that this method adopts hydrochloric acid belongs to control material in China, is typically inconvenient to obtain, should
There is great limitation with scope especially domestic.And, hydrochloric acid has corrosivity, during use, there is certain danger.
Conventional membrane electrolysis bath can only produce strong acidic electrolyzed water it is impossible to produce subacidity electrolysis water, and its preparation principle is：
The sodium chloride (concentration is less than 0.1%) of low concentration will be added in the tap water of sofening treatment, have ion diaphragm formula electrolysis bath
After middle electrolysis, from the acidic aqueous solution with low concentration effective chlorine, high redox potential of anode side generation, referred to as acid
Electrolyzed oxidizing water (abbreviation acidifying water), the alkaline aqueous solution obtaining in negative electrode side is referred to as alkaline reduction electric potential water.The method is only
Strong oxidized water can be prepared.Conventional membrane electrolytic tank electrolysis produce the schematic flow sheet of strong acidic electrolyzed water as shown in Figure 2.
It produces water index：
pH：2.0-3.0；
ORP：≥1100mV；
Effective chlorine：50-70mg/L.
How to produce subacidity electrolysis water using diaphragm cell to be not reported so far.
Content of the invention
According to deficiency of the prior art above, it is an object of the invention to provide a kind of side producing subacidity electrolysis water
Method, using saline solution as electrolyzer, shipping storage application is convenient, using safer；Present invention simultaneously provides its use
Device.
The method producing subacidity electrolysis water of the present invention, the device that it is used includes electrolytic cell body, electrolysis
Groove cell body is divided into anode chamber and cathode chamber by barrier film, and barrier film is fixed on inside electrolytic cell body by dividing plate, and anode interior sets
Anode, negative electrode interior sets negative electrode, and anode and negative electrode are connected with power supply respectively by wire, and cathode chamber top sets negative electrode chamber inlet,
Cathode chamber bottom sets aqueous alkali outlet, and aqueous alkali outlet is connected with aqueous alkali branch line, aqueous alkali branch line sets aqueous alkali regulating valve, dividing plate sets ratio
Example regulating valve, ratio adjusting valve passes through separator bottom, and upper portion of anode chamber sets anode compartment outlet, and anode compartment outlet is electrolysed with subacidity
Water branch line is connected, and subacidity electrolysis water branch line sets product water regulating valve；
The method comprising the steps of：
Electrolyzer enters cathode chamber from negative electrode chamber inlet and is electrolysed, then, the aqueous alkali passing ratio that partial electrolyte produces
Regulating valve enters into anode chamber's electrolysis, obtains subacidity electrolysis water；Adjust valve regulation electrolysis by aqueous alkali in electrolytic process to produce
Aqueous alkali water outlet ratio, by produce water regulating valve adjust produce subacidity electrolysis water water yield.
Described electrolyzer is sodium-chloride water solution.
The mass concentration of described sodium-chloride water solution is 0.05%-0.1%.
Described supply voltage is DC 8-12V, and electric current is 15-25A.
Described anode and cathode electrode are titanium plating ruthenium iridium electrode.
Described barrier film is ionic membrane.
The product water index of described subacidity electrolysis water is：pH：5.0-6.5；ORP：≥850mV；Effective chlorine：40mg/L-
100mg/L.
The device that the method for described production subacidity electrolysis water is used, including electrolytic cell body, electrolytic cell body by
Barrier film is divided into anode chamber and cathode chamber, and barrier film is fixed on inside electrolytic cell body by dividing plate, and anode interior sets anode, negative electrode
Interior sets negative electrode, and anode and negative electrode are connected with power supply respectively by wire, and cathode chamber top sets negative electrode chamber inlet, cathode chamber bottom
If aqueous alkali exports, aqueous alkali outlet is connected with aqueous alkali branch line, aqueous alkali branch line sets aqueous alkali regulating valve, dividing plate sets ratio adjusting valve,
Ratio adjusting valve passes through separator bottom, and upper portion of anode chamber sets anode compartment outlet, anode compartment outlet and subacidity electrolysis water branch line phase
Even, subacidity electrolysis water branch line sets product water regulating valve.
Described device using method is as follows：
Adjust and produce water regulating valve, determine the aquifer yield of subacidity electrolysis water, subacidity electrolysis water index is detected by instrument,
If pH>6.5；ORP：<850mV；Effective chlorine<40mg/L.Adjust aqueous alkali regulating valve and increase aqueous alkali output, adjust ratio simultaneously
Regulating valve, makes the ratio that aqueous alkali enters anode chamber reduce, by adjusting, pH value can reduce, and ORP can increase, and effective chlorine can increase.
Whereas if pH<5.0；ORP：>850mV；Effective chlorine>100mg/L.Adjust aqueous alkali regulating valve and reduce aqueous alkali output, adjust simultaneously
Section ratio adjusting valve, makes the ratio that aqueous alkali enters anode chamber increase, by adjusting, pH value can increase, and ORP can reduce, effective chlorine
Can reduce.
Compared with prior art, the invention has the beneficial effects as follows：
1st, adopt sodium-chloride water solution as electrolyzer, transport preservation is easy to use, and than hydrochloric acid safety it is easier to obtain
?.
2nd, sodium chloride is adopted to be raw material, low price, convenient buying, energy-conserving and environment-protective.Simplify preparation technology, eliminate hydrochloric acid
With sodium chloride mixing arrangement, it is more suitable for producing in a large number.
Brief description
Fig. 1 is traditional subacidity water generating principle schematic；
Fig. 2 is the schematic flow sheet that conventional membrane electrolytic tank electrolysis produce strong acidic electrolyzed water；
Fig. 3 is that the present invention produces the apparatus structure schematic diagram that the method for subacidity electrolysis water is used；
In figure：1st, electrolytic cell body；2nd, anode chamber；3rd, cathode chamber；4th, anode；5th, negative electrode；6th, wire；7th, power supply；8th, cloudy
Pole room entrance；9th, aqueous alkali outlet；10th, aqueous alkali branch line；11st, aqueous alkali regulating valve；12nd, anode compartment outlet；13rd, subacidity electrolysis water is propped up
Line；14th, produce water regulating valve；15th, barrier film；16th, dividing plate；17th, ratio adjusting valve.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are described further：
As shown in figure 3, the device that the method for described production subacidity electrolysis water is used, including electrolytic cell body 1, electricity
Solution groove cell body 1 is divided into anode chamber 2 and cathode chamber 3 by barrier film 15, and barrier film 15 is fixed in electrolytic cell body 1 by dividing plate 16
Portion, sets anode 4 in anode chamber 2, set negative electrode 5 in cathode chamber 3, and anode 4 and negative electrode 5 are connected with power supply 7 respectively by wire 6, cloudy
Pole room 3 top sets negative electrode chamber inlet 8, and cathode chamber 3 bottom sets aqueous alkali outlet 9, and aqueous alkali outlet 9 is connected with aqueous alkali branch line 10, aqueous alkali
Aqueous alkali regulating valve 11 is set on branch line 10, dividing plate 16 sets ratio adjusting valve 17, ratio adjusting valve 17 passes through barrier film 15 bottom, anode
Room 2 top sets anode compartment outlet 12, and anode compartment outlet 12 is connected with subacidity electrolysis water branch line 13, subacidity electrolysis water branch line 13
On set product water regulating valve 14.
Producing water index in 3 embodiments is：pH：5.0-6.5；ORP：≥850mV；Effective chlorine：40mg/L-100mg/L.
Embodiment 1
Regulation described device aquifer yield is 1L/min, is 10VDC using decomposition voltage, concentration of sodium chloride solution is
0.06%.Operational approach is as follows：Adjust and produce water regulating valve 14 to make aquifer yield to be 1L/min, observe and produce water index, if pH>6.5；
ORP：<850mV；Effective chlorine<40mg/L.Adjust aqueous alkali regulating valve 11 and increase aqueous alkali output, adjust ratio adjusting valve 17 simultaneously,
So that the ratio that aqueous alkali enters anode chamber 2 is reduced, make product water index in acceptability limit by adjusting.If pH<5.0；Effective chlorine>
100mg/L.Adjust aqueous alkali regulating valve 11 and reduce aqueous alkali output, adjust ratio adjusting valve 17 simultaneously, make aqueous alkali enter anode chamber 2
Ratio increase, by repeatedly adjust make product water index in acceptability limit.
Embodiment 2
Regulation described device aquifer yield is 1.5L/min, is 10VDC using decomposition voltage, concentration of sodium chloride solution is
0.06%.On the basis of embodiment 1, adjusting product water regulating valve 14 first makes aquifer yield increase as 1.5L/min, now product water pH
Can raise, ORP can reduce, effective chlorine can reduce, want to maintain subacidity water index, need out big aqueous alkali regulating valve 11, now
Produce water pH can reduce, ORP can raise, and effective chlorine can raise, and makes pH be between 5.0-6.5, ORP>850, adjust proportion adjustment
Valve 17 makes effective chlorine be in acceptability limit.
Embodiment 3
On the basis of embodiment 2, change the micro- 12VDC of decomposition voltage, remaining is constant, and now pH can reduce, and ORP can rise
Height, effective chlorine can raise, and want to maintain subacidity water index, need to turn down aqueous alkali regulating valve 11, open vast scale regulating valve 17, close
Abortion water regulating valve 14, is adjusted repeatedly, can make the stable level in embodiment 2 of subacidity electrolysis water index.Conversely, decomposition voltage
During using 8VDC, above-mentioned regulating valve can be adjusted to opposite direction.
Claims (8)
1. a kind of method producing subacidity electrolysis water it is characterised in that：The device that it is used includes electrolytic cell body (1),
Electrolytic cell body (1) is divided into anode chamber (2) and cathode chamber (3) by barrier film (15), and barrier film (15) is fixed on by dividing plate (16)
Electrolytic cell body (1) is internal, sets anode (4), set negative electrode (5), anode (4) and negative electrode (5) in cathode chamber (3) in anode chamber (2)
Be connected with power supply (7) respectively by wire (6) it is characterised in that：Cathode chamber (3) top sets negative electrode chamber inlet (8), cathode chamber
(3) bottom sets aqueous alkali outlet (9), and aqueous alkali outlet (9) is connected with aqueous alkali branch line (10), and aqueous alkali branch line sets aqueous alkali regulating valve on (10)
(11), dividing plate (16) sets ratio adjusting valve (17), ratio adjusting valve (17) passes through barrier film (15) bottom, anode chamber (2) top
If anode compartment outlet (12), anode compartment outlet (12) is connected with subacidity electrolysis water branch line (13), subacidity electrolysis water branch line
(13) set product water regulating valve (14) on；
The method comprising the steps of：
Electrolyzer from negative electrode chamber inlet (8) enter cathode chamber (3) be electrolysed, then, partial electrolyte produce aqueous alkali pass through than
Example regulating valve (17) enters into anode chamber's electrolysis, obtains subacidity electrolysis water；Pass through aqueous alkali regulating valve (11) in electrolytic process to adjust
The ratio of the aqueous alkali water outlet that economize on electricity solution produces, adjusts the water yield of the subacidity electrolysis water producing by producing water regulating valve (14).
2. according to claim 1 produce subacidity electrolysis water method it is characterised in that：Electrolyzer is aqueous sodium chloride
Liquid.
3. according to claim 2 produce subacidity electrolysis water method it is characterised in that：The quality of sodium-chloride water solution
Concentration is 0.05%-0.1%.
4. according to claim 1 produce subacidity electrolysis water method it is characterised in that：Power supply (7) voltage is DC8-
12V, electric current is 15-25A.
5. according to claim 1 produce subacidity electrolysis water method it is characterised in that：Anode (4) and negative electrode (5) electricity
Pole is titanium plating ruthenium iridium electrode.
6. according to claim 1 produce subacidity electrolysis water method it is characterised in that：Barrier film (15) is ionic membrane.
7. according to claim 1 produce subacidity electrolysis water method it is characterised in that：The product water of subacidity electrolysis water
Index is：pH：5.0-6.5；ORP：≥850mV；Effective chlorine：40mg/L-100mg/L.
8. the device that a kind of method producing subacidity electrolysis water is used, including electrolytic cell body (1), electrolytic cell body (1)
Anode chamber (2) and cathode chamber (3) are divided into by barrier film (15), barrier film (15) is fixed on electrolytic cell body (1) by dividing plate (16)
Inside, sets anode (4) in anode chamber (2), set negative electrode (5) in cathode chamber (3), and anode (4) and negative electrode (5) pass through wire (6) point
Not be connected with power supply (7) it is characterised in that：Cathode chamber (3) top sets negative electrode chamber inlet (8), and cathode chamber (3) bottom sets aqueous alkali and goes out
Mouth (9), aqueous alkali outlet (9) is connected with aqueous alkali branch line (10), aqueous alkali branch line (10) sets aqueous alkali regulating valve (11), on dividing plate (16)
If ratio adjusting valve (17), ratio adjusting valve (17) passes through barrier film (15) bottom, and anode chamber (2) top sets anode compartment outlet
(12), anode compartment outlet (12) is connected with subacidity electrolysis water branch line (13), subacidity electrolysis water branch line (13) sets product water and adjusts
Section valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061042.1A CN106430451A (en) | 2016-11-28 | 2016-11-28 | Method and device for producing subacid electrolyzed water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061042.1A CN106430451A (en) | 2016-11-28 | 2016-11-28 | Method and device for producing subacid electrolyzed water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106430451A true CN106430451A (en) | 2017-02-22 |
Family
ID=58219649
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611061042.1A Withdrawn CN106430451A (en) | 2016-11-28 | 2016-11-28 | Method and device for producing subacid electrolyzed water |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107156604A (en) * | 2017-05-08 | 2017-09-15 | 杭州恒天面粉集团有限公司 | A kind of utilization acidic electrolytic water, which disappears, drops the method for vomitoxin in cereal |
| CN108585308A (en) * | 2018-06-19 | 2018-09-28 | 大连合众金水科技有限公司 | The online preparation system of acidifying water |
| CN108640229A (en) * | 2018-03-28 | 2018-10-12 | 广州市康亦健医疗设备有限公司 | A kind of acidification water generating device of time variant electrolytic tank electrode |
| CN108996628A (en) * | 2018-08-20 | 2018-12-14 | 四川建元天地环保科技有限公司 | The process flow of pseudomonas aeruginosa in bottled water filling environment is eliminated by electrolyte |
| CN110042416A (en) * | 2019-05-15 | 2019-07-23 | 朝阳市现代化学技术研究院 | A kind of high oxidation water generation equipment and preparation method thereof |
| CN111747581A (en) * | 2020-06-13 | 2020-10-09 | 广州市三妙医药科技有限公司 | Micro-acid electrolyzed water and preparation method thereof |
| CN112777692A (en) * | 2021-02-24 | 2021-05-11 | 烟台方心水处理设备有限公司 | High-concentration subacidity hypochlorous acid water electrolysis device and production method |
| CN113929186A (en) * | 2021-10-08 | 2022-01-14 | 济南飞蓝水处理设备有限公司 | Method and device for adjusting pH value of acidic electrolyzed water |
| CN115215412A (en) * | 2022-08-10 | 2022-10-21 | 哈尔滨华氢智造技术开发有限公司 | Use method of subacid electrolyzed water generator capable of automatically adjusting hypochlorous acid content |
-
2016
- 2016-11-28 CN CN201611061042.1A patent/CN106430451A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107156604A (en) * | 2017-05-08 | 2017-09-15 | 杭州恒天面粉集团有限公司 | A kind of utilization acidic electrolytic water, which disappears, drops the method for vomitoxin in cereal |
| CN108640229A (en) * | 2018-03-28 | 2018-10-12 | 广州市康亦健医疗设备有限公司 | A kind of acidification water generating device of time variant electrolytic tank electrode |
| CN108585308A (en) * | 2018-06-19 | 2018-09-28 | 大连合众金水科技有限公司 | The online preparation system of acidifying water |
| CN108996628A (en) * | 2018-08-20 | 2018-12-14 | 四川建元天地环保科技有限公司 | The process flow of pseudomonas aeruginosa in bottled water filling environment is eliminated by electrolyte |
| CN110042416A (en) * | 2019-05-15 | 2019-07-23 | 朝阳市现代化学技术研究院 | A kind of high oxidation water generation equipment and preparation method thereof |
| CN111747581A (en) * | 2020-06-13 | 2020-10-09 | 广州市三妙医药科技有限公司 | Micro-acid electrolyzed water and preparation method thereof |
| CN112777692A (en) * | 2021-02-24 | 2021-05-11 | 烟台方心水处理设备有限公司 | High-concentration subacidity hypochlorous acid water electrolysis device and production method |
| CN113929186A (en) * | 2021-10-08 | 2022-01-14 | 济南飞蓝水处理设备有限公司 | Method and device for adjusting pH value of acidic electrolyzed water |
| CN115215412A (en) * | 2022-08-10 | 2022-10-21 | 哈尔滨华氢智造技术开发有限公司 | Use method of subacid electrolyzed water generator capable of automatically adjusting hypochlorous acid content |
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