CN106006859A - Device and method for producing electrolytic water - Google Patents
Device and method for producing electrolytic water Download PDFInfo
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- CN106006859A CN106006859A CN201610583247.XA CN201610583247A CN106006859A CN 106006859 A CN106006859 A CN 106006859A CN 201610583247 A CN201610583247 A CN 201610583247A CN 106006859 A CN106006859 A CN 106006859A
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- water
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- cation exchange
- exchange membrane
- metal salt
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
-
- 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
-
- 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
- C02F2001/46195—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water characterised by the oxidation reduction potential [ORP]
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (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)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a device and a method for producing electrolytic water. The device comprises a shell, a diaphragm, an anode and a cathode; the diaphragm divides the shell into an anode chamber and a cathode chamber, the anode is disposed in the anode chamber, the cathode is disposed in the cathode chamber, and the diaphragm is manufactured by the following process: (1), soaking a cation exchange membrane in 2-25% by weight of alkaline metal salt solution for 12-36 hours, and drying in air; (2), soaking the cation exchange membrane obtained in the step (1) in 2-12% by weight of alkaline metal salt solution for 12-36 hours, and drying in air; (3), soaking the cation exchange membrane obtained in the step (2) in 2-10% by weight of alkaline metal salt solution for 6-20 hours to obtain the diaphragm, wherein alkaline metal salts in the steps are identical and are water-soluble alkaline metal salts. The device for producing electrolytic water can produce acidic water and alkaline water simultaneously during production of electrolytic water.
Description
Technical field
The present invention relates to the aquatic product device and method of a kind of electrolysis, especially can be electrolysed water simultaneously
Produce acid water and the device and method of alkaline water.
Background technology
Electrolytic water generating device can generate electrolysis water, mainly include alkaline water, slightly acidic water,
Strong oxidized water etc..Ion exchange membrane is the nucleus equipment of electrolytic water generating device, itself and electrolysis water
Quality there is close relationship.
CN104671365A discloses continuous electrodeionization used by a kind of Ultrawater purifier for lab
Device, it includes the element such as diluted gasket, dense water dividing plate, the friendship of cation exchange membrane, anion
Change film, diluted gasket, dense water dividing plate are all located between anode electrode plate and cathode electrode plate, sun
Ion exchange membrane, anion exchange membrane, diluted gasket, dense water dividing plate are arranged alternately with each other, sun
Pole battery lead plate is positioned at the outside of outermost dense water dividing plate, and anode end plate covers at anode electrode plate
On, amberlite lipid layer between cation exchange membrane and anion exchange membrane, cathode terminal
Plate covers on cathode electrode plate, and the tip side of anode end plate is provided with an original water inlet and one
Wastewater outlet, the bottom end side of anode end plate is provided with dense water inlet, and the tip side of cathode end plate is provided with
One pure water outlet.This device utilizes ion exchange membrane can produce high purity water.
The open a kind of deionization pure water processor of CN103880124B, has several square
Positive electrode substrate and several square negative electrode substrates are interval-staggered, and each positive electrode substrate is with every
A square insulating frame assembly is arranged between individual negative electrode substrate；Each insulation frame assembly by
Insulation frame, dividing plate, insulation net, activated carbon fiber layers, anion exchange membrane and cation are handed over
Change film composition, positive electrode substrate and anion exchange membrane homonymy, negative electrode substrate and cation exchange membrane
Homonymy；It is provided with hole at insulation net on an opposite side of the insulation frame parallel with dividing plate, one
It is inlet opening on side, another side is apopore, each dividing plate all has flowing water
Hole, inlet opening and apopore on all adjacent insulation frame assemblies are sequentially connected with；By applying
Electrostatic field, forces ion to the electrode transfer with opposite charges so that it is to be produced by electrode surface
Electric double layer absorption and from solution remove.It is high-purity that this device utilizes ion exchange membrane to produce
Water, deionization efficiency is high.
Therefore, in current water making device, great majority are to utilize ion exchange membrane production high-purity
Water, seldom utilizes ion exchange membrane to produce acid water and alkaline water simultaneously.At present, in the urgent need to
Exploitation one electrolysis water process units, it uses the ion exchange membrane after simple process just may be used
To generate acid water and alkaline water simultaneously.
Summary of the invention
An object of the present invention is to provide a kind of electrolysis water process units, and it can give birth to simultaneously
Become acid water and alkaline water.
Further object is that offer one electrolysis water producing method, it can be stablized
Ground generates acid water and alkaline water simultaneously.
The purpose of the present invention can be achieved through the following technical solutions.
The present invention provides a kind of electrolysis water process units, and it includes housing, barrier film, anode and the moon
Pole；Described housing is divided into anode chamber and cathode chamber by described barrier film, and described anode is arranged on sun
Extremely indoor, described negative electrode is arranged in cathode chamber；Described barrier film is to adopt to be prepared into the following method
Arrive:
(1) cation exchange membrane is soaked in the alkali metal salt soln that concentration is 2～15wt%
In, soak time is 12～36 hours, dries；
(2) cation exchange membrane of step (1) gained is soaked in the alkali gold of 2～12wt%
Belonging in saline solution, soak time is 12～36 hours, dries；
(3) cation exchange membrane of step (2) gained is soaked in the alkali gold of 2～10wt%
Belonging in saline solution, soak time is 6～20 hours, obtains described barrier film；
Wherein, step (1), (2) are the most identical with the alkali metal salt in (3), and are water
The alkali metal salt of dissolubility.
In the present invention, it is preferable that described alkali metal salt is selected from sodium chloride, potassium chloride, sodium nitrate
Or the one in potassium nitrate.
In the present invention, it is preferable that in step (1), the concentration of alkali metal salt soln be 3～
10wt%, soak time is 18～28 hours；The temperature of alkali metal salt soln be 22～
28℃；The condition of drying is: temperature is 15～35 DEG C, and relative humidity is 25～60%, dries
Time is 2～15 hours.
In the present invention, it is preferable that in step (2), the concentration of alkali metal salt soln be 2～
8wt%, soak time is 18～28 hours；The temperature of alkali metal salt soln is 22～28 DEG C；
The condition of drying is: temperature is 15～35 DEG C, and relative humidity is 25～60%, and flash-off time is
2～15 hours.
In the present invention, it is preferable that in step (3), the concentration of alkali metal salt soln be 2～
8wt%, soak time is 10～16 hours, and the temperature of alkali metal salt soln is 25～30 DEG C.
In the present invention, it is preferable that the cation exchange membrane of step (1) is selected from sulfonic acid type ion
Any one in exchange membrane, phosphatic type ion exchange membrane, carboxylic acid type ion exchange membrane.
In the present invention, it is preferable that the cation exchange membrane of step (1) is heterogeneous membrane, described
Heterogeneous membrane comprise ion exchange resin and binding agent；Described ion exchange resin is selected from benzene second
Alkene cation exchanger resin；Binding agent is selected from polyolefin.
In the present invention, it is preferable that the bottom of anode chamber is provided with the first water inlet, anode chamber
Top is provided with the first outlet；The bottom of cathode chamber is provided with the second water inlet, cathode chamber
Top is provided with the second outlet.
The present invention also provides for a kind of method utilizing said apparatus to produce electrolysis water, described side
Method comprises the steps:
(A) preparation process of barrier film:
(1) cation exchange membrane is soaked in the alkali metal salt soln that concentration is 2～15wt%
In, soak time is 12～36 hours, dries；
(2) cation exchange membrane of step (1) gained is soaked in the alkali gold of 2～12wt%
Belonging in saline solution, soak time is 12～36 hours, dries；
(3) cation exchange membrane of step (2) gained is soaked in the alkali gold of 2～10wt%
Belonging in saline solution, soak time is 6～20 hours, obtains described barrier film；
Wherein, step (1), (2) are the most identical with the alkali metal salt in (3), and are water
The alkali metal salt of dissolubility；
(B) electrolysis water step:
Anode chamber in the device including described barrier film and cathode chamber are supplied from water respectively, right
Anode and negative electrode apply voltage, derive acid water from anode chamber, derive alkalescence from cathode chamber simultaneously
Water.
In the present invention, it is preferable that in electrolysis water step, the hydraulic pressure of tap water is set to
0.2～0.6MPa, the flow velocity of tap water is set to 1～5L/min, and the voltage of electrolytic process is arranged
It is 3～15V.
Owing to have employed the barrier film that ad hoc approach prepares, the electrolysis water process units of the present invention
Acid water and alkaline water can be generated during electrolysis water simultaneously, and gained electrolytic water quality amount reaches
Mark.According to currently preferred technical scheme, the electrolysis water process units of the present invention can more have
Effect ground generates acid water and alkaline water.
Accompanying drawing explanation
Fig. 1 is the electrolysis water process units of embodiment 1, wherein:
1-housing, 11-anode chamber, 12-cathode chamber, 2-barrier film, 3-anode, 4-negative electrode, 5-
One water inlet, 6-the first outlet, 7-the second water inlet, 8-the second outlet.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but the protection of the present invention
Scope is not limited to this.
＜ barrier film and preparation method thereof ＞
The barrier film that the electrolysis water process units of the present invention is used is by entering cation exchange membrane
Row controlled process and obtain.After treatment, the structure of gained barrier film is still for cation exchange membrane
Imperfectly understand, thus architectural feature cannot be used to characterize, preparation method characteristic can only be passed through
Characterize.Our guess is that the microstructure of barrier film there occurs extremely complex change, and then leads
Cause its ion permeability to change, so that it can produce acid water and alkalescence simultaneously
Water.
Cation exchange membrane is described below.The cation exchange membrane of the present invention can be selected from sulfonic acid
Any one in type, phosphatic type, carboxylic acid type, preferably sulfonic acid type or carboxylic acid type, more preferably
Sulfonic acid type.The cation exchange membrane of the present invention can be heterogeneous membrane.The heterogeneous membrane of the present invention comprises
Ion exchange resin and binding agent, it is also possible to include additive.Ion exchange resin can be benzene
Ethylene cation exchanger resin；Binding agent can be polyolefin.
In the present invention, as the reality of styrene type cation exchange resin of ion exchange resin
Example includes but not limited to that 001 × 7 type cation exchange resin, 001 × 7FC type cation exchange
Resin, 001 × 7MB type cation exchange resin, 001 × 8 type cation exchange resin,
001 × 10 type cation exchange resin, D001 type cation exchange resin, D001FC type sun
Ion exchange resin, D001MB type cation exchange resin.Concrete manufacturer includes Hangzhoupro
State wins honour for resin company limited.As preferably, the styrene type cation exchange resin of the present invention
Including 001 × 7 type cation exchange resin, 001 × 7FC type cation exchange resin, 001
× 7MB type cation exchange resin, 001 × 8 type cation exchange resin, 001 × 10 type
Cation exchange resin.As it is further preferred that the styrene type cation exchange resin bag of the present invention
Include 001 × 7 type cation exchange resin, 001 × 7FC type cation exchange resin, 001 ×
7MB type cation exchange resin.
In the present invention, the polyolefin as binding agent can include polyolefin homopolymer, polyene
Hydrocarbon copolymer, the derivant of polyolefin homopolymer and the derivant of polyolefin copolymer.Specifically
Example include but not limited to polyethylene, polypropylene, poly-n-butene, polystyrene, polychlorostyrene second
Alkene, polyvinyl alcohol, chlorosulfonated polyethylene etc..The polyethylene of the present invention can be high-density polyethylene
Alkene, Low Density Polyethylene and/or linear low density polyethylene.As preferably, the present invention's is poly-
Ethylene is Low Density Polyethylene and/or linear low density polyethylene.
In the present invention, described additive includes but not limited to antioxidant, stabilizer, toughness reinforcing
Agent etc..The antioxidant of the present invention can be aromatic amine antioxidant or Hinered phenols antioxidant, also
Have and can comprise auxiliary antioxidant.The example of aromatic amine antioxidant includes but not limited to hexichol
Amine, p-phenylenediamine and dihydroquinoline etc..As preferably, the antioxidant of the present invention is Hinered phenols
Antioxidant, concrete example includes but not limited to 2,6-di-tert-butyl-4-methy phenol, 4,4'-sulfur
Dai Shuan (the 6-tert-butyl group-3-methylphenol), four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid]
Pentaerythritol ester (antioxidant 1010).The example of auxiliary antioxidant includes that thio-2 acid is double
Ester, double Lauryl Alcohol ester, double ten four carbon alcohols esters and double octadecanol esters etc., normal and Hinered phenols
Antioxidant is also used.The antioxidant example of the present invention includes but not limited to antioxidant 1010, antioxygen
Agent 1076, antioxidant CA, antioxidant 164, antioxidant DNP, antioxidant TNP, antioxygen
Agent TPP, antioxidant MB, antioxidant 264 etc..The stabilizer of the present invention includes but not limited to
Calcium stearate, zinc stearate；It is preferably calcium stearate.The toughener of the present invention includes but does not limits
In polyisobutylene, styrene butadiene styrene block copolymer (SBS), EP rubbers, ternary second
Third rubber, nitrile rubber, butadiene-styrene rubber, natural rubber, butadiene rubber etc.；It is preferably poly-different
Butylene and/or styrene butadiene styrene block copolymer (SBS).
By above-mentioned ion exchange resin and the mix homogeneously such as binding agent and additive, then process
Form heterogeneous membrane.According to one preferred embodiment of the invention, described cation exchange membrane can
To be made up of the component including following weight portion:
In the present invention, amberlite cosmetics can be 001 × 7 type strongly acidic styrene system
Cation exchange resin；The melt index of Low Density Polyethylene is 1.35～1.6 grams/10 points；Line
The melt index of property Low Density Polyethylene is 0.85～1.0 gram/10 points；The molecular weight of polyisobutylene
It is 400～5,000,000；The chlorinty of chlorosulfonated polyethylene is 35～36wt%, and sulfur content is
0.9～1.1wt%；The melt index of styrene butadiene styrene block copolymer (SBS) be 0.8～
3.0 grams/10 parts；Antioxidant is preferably four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid]
Pentaerythritol ester (antioxidant 1010).Above-mentioned raw materials is obtained by steps such as mixing, calenderings
Cation exchange membrane, repeats no more here.In the present invention, melt index is all in temperature
220 DEG C, load be to measure under conditions of 10kg.
The cation exchange membrane of the present invention may be used without commercial goods, and such as Shanghai Chemical Plant is limited
The 3365 of company, the 3361BW etc. of Shanghai Water-Treatment Material Co., Ltd., Shanghai.
The preparation method of the barrier film of the present invention is described below, comprises the steps:
(1) above-mentioned cation exchange membrane is soaked in the alkali metal salt that concentration is 2～15wt% molten
In liquid, soak time is 12～36 hours, dries；
(2) cation exchange membrane of step (1) gained is soaked in the alkali gold of 2～12wt%
Belonging in saline solution, soak time is 12～36 hours, dries；
(3) cation exchange membrane of step (2) gained is soaked in the alkali gold of 2～10wt%
Belonging in saline solution, soak time is 6～20 hours, obtains described barrier film；
Wherein, step (1), (2) are the most identical with the alkali metal salt in (3), and are water
The alkali metal salt of dissolubility.
In the present invention, described preparation method can also comprise the steps:
(4) the described barrier film that step (3) obtains is cut out and punched.
In step (1)～(3), described alkali metal salt can be selected from sodium chloride, chlorination
One in potassium, sodium nitrate or potassium nitrate；It is preferably sodium chloride or potassium chloride, more preferably chlorine
Change sodium.
In step (1), the concentration of alkali metal salt soln can be 2～15wt%, is preferably
2～12wt%, more preferably 3～10wt%, be further preferably 4～8wt%.Step (1)
Soak time can be 12～36 hours, preferably 15～30 hours, more preferably 18～
28 hours, most preferably 20～26 hours.The temperature of the alkali metal salt soln of step (1)
Can be 15～35 DEG C, preferably 15～32 DEG C, more preferably 18～30 DEG C.According to this
Bright one preferred embodiment, in step (1) temperature of alkali metal salt soln be 22～
28℃。
In step (1), the condition of drying is: temperature is 15～35 DEG C, and relative humidity is
25～60%, flash-off time is 2～15 hours.Preferably, the condition of drying described in is that temperature is
20～30 DEG C, relative humidity is 35～55%, and flash-off time is 3～8 hours.More preferably
Ground, described in the condition of drying be temperature be 22～28 DEG C, relative humidity is 38～52%, dries
Time is 3～5 hours.
In step (2), the concentration of alkali metal salt soln can be 2～12wt%, is preferably
2～10wt%, more preferably 2～8wt%, most preferably 4～6wt%.The leaching of step (2)
The bubble time can be 12～36 hours, preferably 15～30 hours, more preferably 18～28
Hour, most preferably 20～26 hours.The temperature of the alkali metal salt soln of step (2) is permissible
It is 15～35 DEG C, preferably 15～32 DEG C, more preferably 18～30 DEG C.According to the present invention one
Individual preferred embodiment, in step (2), the temperature of alkali metal salt soln is 22～28 DEG C.
In step (2), the condition of drying can be: temperature is 15～35 DEG C, relative humidity
Being 25～60%, flash-off time is 2～15 hours.Preferably, the condition of drying described in is temperature
Being 20～30 DEG C, relative humidity is 35～55%, and flash-off time is 2.5～8 hours.According to
One of the present invention is preferred embodiment, described in the condition of drying be temperature be 22～28 DEG C,
Relative humidity is 38～52%, and flash-off time is 3～5 hours.
In step (3), the concentration of alkali metal salt soln can be 2～10wt%, is preferably
2～8wt%, more preferably 3～6wt%.In step (3), soak time can be 6～20
Hour, preferably 8～18 hours, be further preferably 10～16 hours.Step (the middle alkali gold of 3
Belong to saline solution temperature can be 15～35 DEG C, preferably 15～32 DEG C, more preferably 18～
30℃.According to one preferred embodiment of the invention, the alkali metal salt soln of step (3)
Temperature be 25～30 DEG C.
According to one of the present invention preferred embodiment, the preparation method of barrier film includes walking as follows
Rapid:
(1) above-mentioned cation exchange membrane is soaked in concentration be 3～8wt%, temperature be 22～
In the sodium chloride solution of 28 DEG C, soak time 20～26 hours, take out, being placed in temperature is
22～28 DEG C, relative humidity be 38～52% environment in, dry 3～5 hours；
(2) cation exchange membrane of step (1) gained is soaked in concentration be 2～6wt%,
Temperature is in the sodium chloride solution of 22～28 DEG C, soak time 20～26 hours, takes out, puts
Be 22～28 DEG C in temperature, relative humidity be 38～52% environment in, dry 3～5 little
Time；
(3) cation exchange membrane of step (2) gained is soaked in concentration be 2～6wt%,
Temperature is in the sodium chloride solution of 25～30 DEG C, soak time 10～16 hours, takes out,
To described barrier film.
In step (4), the described barrier film that step (3) obtains is cut out and punched.By institute
State barrier film and cut out as rectangle, and punch at four angles of barrier film, in order to described barrier film is solid
Dingan County is filled in electrolytic water device.Described barrier film is fixedly installed in negative electrode and the sun of electrolytic water device
Between pole, for electrolysis unit being divided into anode chamber and cathode chamber.The chi that described barrier film is cut out
The very little plant bulk of installing barrier film interior with electrolytic water device matches, and for example, 100mm ×
200mm、200mm×400mm、400mm×800mm、800mm×1600mm。
＜ is electrolysed water process units ＞
The electrolysis water process units of the present invention includes housing, barrier film, anode and negative electrode；Wherein,
Described housing is divided into anode chamber and cathode chamber by described barrier film, and described anode is arranged on anode chamber
In, described negative electrode is arranged in cathode chamber.The electrolysis water process units of the present invention can also include
Power supply and current adjustment unit.Described barrier film is to use said method to prepare, and repeats no more.
The housing of the present invention can use the material of acid-fast alkali-proof to make, and its shape can be rectangle
Casing or irregular shape, it can be one-body molded or be welded by different baffle plates.
Described housing is divided into anode chamber and cathode chamber by the barrier film of the present invention.Preferably, described the moon
Room, pole and anode chamber be separate, disconnected.In the present invention, described anode and negative electrode can be adopted
With stainless steel electrode or platinum Ti electrode, preferably platinum Ti electrode.
In the present invention, the bottom of described anode chamber is provided with the first water inlet, described anode chamber
Top be provided with the first outlet；The bottom of described cathode chamber is provided with the second water inlet, institute
The top stating cathode chamber is provided with the second outlet.First water inlet is for the first water inlet pipe even
Connect, for tap water is imported anode chamber；First outlet and the first outlet pipe connect, and are used for
The acid water produced is derived.Second water inlet is for being connected with the second water inlet pipe, and being used for will be from
Water imports cathode chamber；Second outlet and the second outlet pipe connect, for the alkalescence that will produce
Water is derived.First water inlet pipe and the second water inlet pipe all can be provided with flow control valve, are used for controlling
The flow velocity of controlling the water circulation and hydraulic pressure.First outlet pipe and the second outlet pipe the most all can be provided with flow
Control valve, for controlling flow velocity and the hydraulic pressure of water.A specific embodiment party according to the present invention
Formula, the first water inlet and the second water inlet are connected with same water inlet pipe, for importing from the beginning
Water.
The electrolysis water process units of the present invention may also include power supply and current adjustment unit.Power supply is used
In anode and negative electrode are applied voltage.This power supply is DC source, can be linear direct current motor source
Or pulse dc power, more preferably pulse dc power.Current adjustment unit is by adjusting electricity
The size of resistance adjusts the size of current of electrolytic process.
<electrolysis water producing method>
The electrolysis water producing method of the present invention utilizes above-mentioned electrolysis water process units to realize.This
Bright electrolysis water producing method includes the preparation process of (A) barrier film, and (B) electrolysis water
Step.
The step (A) of the present invention comprises the following specific steps that:
(1) cation exchange membrane is soaked in the alkali metal salt soln that concentration is 2～15wt%
In, soak time is 12～36 hours, dries；
(2) cation exchange membrane of step (1) gained is soaked in the alkali gold of 2～12wt%
Belonging in saline solution, soak time is 12～36 hours, dries；
(3) cation exchange membrane of step (2) gained is soaked in the alkali gold of 2～10wt%
Belonging in saline solution, soak time is 6～20 hours, obtains described barrier film；
Wherein, step (1), (2) are the most identical with the alkali metal salt in (3), and are water
The alkali metal salt of dissolubility.The actual conditions of step (A) is as it was previously stated, repeat no more here.
Step (B) is described below in detail.The electrolysis that tap water is simultaneously introduced the present invention is aquatic
The anode chamber of product device and cathode chamber are electrolysed, generate acid water in the anode compartment, simultaneously
Generate alkaline water in the cathodic compartment.The tap water of the present invention can directly use, or is filtering
Rear use.
In step (B), barrier film both sides are all passed through tap water, and the hydraulic pressure of tap water is set to
0.2～0.6MPa, preferably 0.3～0.4MPa；The flow velocity of tap water is set to 1～5
L/min, preferably 2～3L/min；Voltage is set to 3～15V, preferably 6～12V.Root
According to one of the present invention preferred embodiment, in described electrolysis water producing method, the water of tap water
Pressure is set to 0.3～0.4MPa, and the flow velocity of tap water is set to 2～3L/min, and voltage is arranged
It is 6～12V.Using said method can generate acid water in anode chamber, its pH can be
3～6.5；Generating alkaline water at cathode chamber, pH can be 8～11.Additionally, in step
(B) differential water pressures of septation both sides can be ± 5.5kPa within, be preferably ± 3kPa within,
Within more preferably ± 1kPa.
The preparation method of preparation example 1-barrier film
By 6kg chlorosulfonated polyethylene (CSM-40) and 28kg polyisobutylene (Germany's BASF
Company, B200) mixing in mixing roll, add 100kg Low Density Polyethylene (melted finger
Number is 1.5 grams/10 minutes), (melt index is 1 gram/10 to 20kg linear low density polyethylene
Minute), (melt index is 2 grams/10 points to 3kg styrene-butadiene-styrene
Clock), 1kg antioxidant 1010, within mixing 10 minutes at 120 DEG C, obtain premix material；By 5kg
Calcium stearate adds in this premix material, mixing uniformly after add 400kg cation exchange resin
Powder (001 × 7 type strongly acidic styrene type cation exchange resin), mix homogeneously is mixed
Material；By compound prolong machine press formation thickness be the diaphragm of 0.40 ± 0.03mm, calendering temperature
Degree is 80 DEG C；Above-mentioned diaphragm is embedded two-layer strengthen between terylene screen cloth, existed by hydraulic press
150 DEG C, hot pressing 60 minutes under 0.5Mpa, obtain cation exchange membrane A.
Then, process in accordance with the following steps:
(1) cation exchange membrane A is placed in temperature be 18 DEG C, concentration be the sodium chloride of 6wt%
Solution soaks 22 hours, takes out cation exchange membrane, then temperature be 20 DEG C, relatively
Humidity is to dry 5 hours under conditions of 40%；
(2) cation exchange membrane of step (1) gained is placed in temperature be 18 DEG C, concentration be
The sodium chloride solution of 6wt% soaks 22 hours, takes out cation exchange membrane, then in temperature
Be 20 DEG C, relative humidity be to dry 5 hours under conditions of 40%；
(3) cation exchange membrane of step (2) gained is placed in temperature be 25 DEG C, concentration be
The sodium chloride solution of 3wt% soaks 10 hours, obtains barrier film B1.
The preparation method of preparation example 2-barrier film
(1) the cation exchange membrane A of preparation example 1 is placed in temperature be 18 DEG C, concentration be
The sodium chloride solution of 8wt% soaks 20 hours, takes out cation exchange membrane, then in temperature
Be 25 DEG C, relative humidity be to dry 3 hours under conditions of 40%；
(2) cation exchange membrane of step (1) gained is placed in temperature be 18 DEG C, concentration be
The sodium chloride solution of 5wt% soaks 24 hours, takes out cation exchange membrane, then in temperature
Be 25 DEG C, relative humidity be to dry 3 hours under conditions of 40%；
(3) cation exchange membrane of step (2) gained is placed in temperature be 25 DEG C, concentration be
The sodium chloride solution of 2wt% soaks 15 hours, obtains barrier film B2.
The preparation method of preparation example 3-barrier film
(1) the cation exchange membrane A of preparation example 1 is placed in temperature be 18 DEG C, concentration be
The sodium chloride solution of 5wt% soaks 24 hours, takes out cation exchange membrane, then in temperature
Be 15 DEG C, relative humidity be to dry 6 hours under conditions of 30%；
(2) cation exchange membrane of step (1) gained is placed in temperature be 18 DEG C, concentration be
The sodium chloride solution of 5wt% soaks 24 hours, takes out cation exchange membrane, then in temperature
Be 15 DEG C, relative humidity be to dry 6 hours under conditions of 30%；
(3) cation exchange membrane of step (2) gained is placed in temperature be 25 DEG C, concentration be
The sodium chloride solution of 5wt% soaks 12 hours, obtains barrier film B3.
The preparation method of preparation example 4-barrier film
(1) the cation exchange membrane A of preparation example 1 is placed in temperature be 18 DEG C, concentration be
The sodium chloride solution of 10wt% soaks 18 hours, takes out cation exchange membrane, then in temperature
Degree is 30 DEG C, relative humidity is to dry 2.5 hours under conditions of 40%；
(2) cation exchange membrane of step (1) gained is placed in temperature be 18 DEG C, concentration be
The sodium chloride solution of 10wt% soaks 18 hours, takes out cation exchange membrane, then in temperature
Degree is 30 DEG C, relative humidity is to dry 2.5 hours under conditions of 40%；
(3) cation exchange membrane of step (2) gained is placed in temperature be 25 DEG C, concentration be
The sodium chloride solution of 5wt% soaks 15 hours, obtains barrier film B4.
The preparation method of preparation example 5-barrier film
(1) the cation exchange membrane A of preparation example 1 is placed in temperature be 18 DEG C, concentration be
The Klorvess Liquid of 12wt% soaks 15 hours, takes out cation exchange membrane, then in temperature
Degree is 35 DEG C, relative humidity is to dry 3 hours under conditions of 45%；
(2) cation exchange membrane of step (1) gained is placed in temperature be 18 DEG C, concentration be
Soak time 15 hours in the Klorvess Liquid of 12wt%, take out cation exchange membrane, then
Temperature be 35 DEG C, relative humidity be to dry 3 hours under conditions of 45%；
(3) cation exchange membrane of step (2) gained is placed in temperature be 25 DEG C, concentration be
The Klorvess Liquid of 4wt% soaks 8 hours, obtains barrier film B5.
Embodiment 1-electrolysis water process units
The electrolysis water process units of the present invention is as it is shown in figure 1, include housing 1, barrier film 2, sun
Pole 3 and negative electrode 4；Wherein, housing 1 is divided into anode chamber 11 and cathode chamber by barrier film 2
12, described anode 3 is arranged in anode chamber 11, and described negative electrode 4 is arranged on cathode chamber 12
In.This device also includes power supply (not shown) and current adjustment unit (not shown), power supply
For anode 3 and negative electrode 4 are applied voltage, current adjustment unit is used for adjusting electric current.Described
Anode 3 and negative electrode 4 are stainless steel electrode.Barrier film 2 is the barrier film that preparation example 1 method prepares
B1。
The bottom of anode chamber 11 is provided with the first water inlet 5, and its top is provided with the first water outlet
Mouth 6；The bottom of cathode chamber 12 is provided with the second water inlet 7, and its top is provided with the second water outlet
Mouth 8.First water inlet 5 is connected with the first water inlet pipe (not shown), for being led by tap water
Enter anode chamber 12；First outlet 6 is connected with the first outlet pipe (not shown), and being used for will
The acid water produced is derived.Second water inlet 7 is connected with the second water inlet pipe (not shown), uses
In tap water being imported cathode chamber 12；Second outlet 8 and the second outlet pipe (not shown)
Connect, derive for the alkaline water that will produce.First water inlet pipe and the second water inlet pipe are provided with
Flow control valve, for controlling flow velocity and the hydraulic pressure of water.First outlet pipe and the second outlet pipe
It is provided with flow control valve, for controlling flow velocity and the hydraulic pressure of water.
When using said apparatus, first pass through the first water inlet 5 and be supplied to anode chamber 11
Water, is supplied from water by the second water inlet 7 to cathode chamber 12 simultaneously, regulates flow control
Valve processed so that the differential water pressures of barrier film 2 both sides be ± 3kPa within；Anode 3 and negative electrode 4 are executed
Making alive, voltage is 8V；The acid water produced is derived from the first outlet 6, the alkali of generation
Property electrolysis water derive from the second outlet 8.
Regulating electric current by current adjustment unit, the pH value of acid water can be in 3.5～6 scopes
In, the pH value of alkaline water can be in the range of 8～11.After testing, alkaline water dissociates at 25 DEG C
Chlorinity is less than 0.05mg/L, and the oxidation-reduction potential ORP value of alkaline water is less than-150mV.
Embodiment 2-5
In embodiment 2-5, except barrier film 2 is replaced with respectively preparation example 2-5 obtain every
Outside film B2-B5, other conditions are same as in Example 1.
Regulating electric current by current adjustment unit, the pH value of acid water can be in 3.5～6 scopes
In, the pH value of alkaline water can be in the range of 8～11.After testing, alkaline water dissociates at 25 DEG C
Chlorinity is less than 0.05mg/L, and the oxidation-reduction potential ORP value of alkaline water is less than-150mV.
The present invention is not limited to above-mentioned embodiment, in the feelings of the flesh and blood without departing substantially from the present invention
Under condition, any deformation that it may occur to persons skilled in the art that, improve, replace and each fall within this
Bright scope.
Claims (10)
1. one kind electrolysis water process units, it is characterised in that described device include housing, every
Film, anode and negative electrode；Described housing is divided into anode chamber and cathode chamber by described barrier film, described
Anode is arranged in anode chamber, and described negative electrode is arranged in cathode chamber；Described barrier film is to use such as
Lower section method prepares:
(1) cation exchange membrane is soaked in the alkali metal salt soln that concentration is 2～15wt%
In, soak time is 12～36 hours, dries；
(2) cation exchange membrane of step (1) gained is soaked in the alkali gold of 2～12wt%
Belonging in saline solution, soak time is 12～36 hours, dries；
(3) cation exchange membrane of step (2) gained is soaked in the alkali gold of 2～10wt%
Belonging in saline solution, soak time is 6～20 hours, obtains described barrier film；
Wherein, step (1), (2) are the most identical with the alkali metal salt in (3), and are water
The alkali metal salt of dissolubility.
Device the most according to claim 1, it is characterised in that described alkali metal salt is selected from
One in sodium chloride, potassium chloride, sodium nitrate or potassium nitrate.
Device the most according to claim 1, it is characterised in that in step (1), institute
The concentration stating alkali metal salt soln is 3～10wt%, and described soak time is 18～28 hours；
The temperature of described alkali metal salt soln is 22～28 DEG C；The condition of drying is: temperature be 15～
35 DEG C, relative humidity is 25～60%, and flash-off time is 2～15 hours.
Device the most according to claim 1, it is characterised in that in step (2), institute
The concentration stating alkali metal salt soln is 2～8wt%, and described soak time is 18～28 hours；
The temperature of alkali metal salt soln is 22～28 DEG C；The condition of drying is: temperature is 15～35 DEG C,
Relative humidity is 25～60%, and flash-off time is 2～15 hours.
Device the most according to claim 1, it is characterised in that in step (3), institute
The concentration stating alkali metal salt soln is 2～8wt%, and described soak time is 10～16 hours,
The temperature of described alkali metal salt soln is 25～30 DEG C.
Device the most according to claim 1, it is characterised in that step (1) described
Cation exchange membrane selected from sulfonic acid type ion exchange membrane, phosphatic type ion exchange membrane, carboxylic acid type from
Any one in proton exchange.
Device the most according to claim 1, it is characterised in that step (1) described
Cation exchange membrane is heterogeneous membrane, and described heterogeneous membrane comprises ion exchange resin and binding agent；
Described ion exchange resin is selected from styrene type cation exchange resin；Binding agent is selected from polyene
Hydrocarbon.
Device the most according to claim 1, it is characterised in that: the bottom of described anode chamber
Being provided with the first water inlet, the top of described anode chamber is provided with the first outlet；Described negative electrode
The bottom of room is provided with the second water inlet, and the top of described cathode chamber is provided with the second outlet.
9. utilize the method that the device described in any one of claim 1～8 produces electrolysis water, its
Being characterised by, described method comprises the steps:
(A) preparation process of barrier film:
(1) cation exchange membrane is soaked in the alkali metal salt soln that concentration is 2～15wt%
In, soak time is 12～36 hours, dries；
(2) cation exchange membrane of step (1) gained is soaked in the alkali gold of 2～12wt%
Belonging in saline solution, soak time is 12～36 hours, dries；
(3) cation exchange membrane of step (2) gained is soaked in the alkali gold of 2～10wt%
Belonging in saline solution, soak time is 6～20 hours, obtains barrier film；
Wherein, step (1), (2) are the most identical with the alkali metal salt in (3), and are water
The alkali metal salt of dissolubility；
(B) electrolysis water step:
Anode chamber in the device including described barrier film and cathode chamber are supplied from water respectively, right
Anode and negative electrode apply voltage, derive acid water from anode chamber, derive alkalescence from cathode chamber simultaneously
Water.
Method the most according to claim 9, it is characterised in that walk at described electrolysis water
Suddenly in (B), the hydraulic pressure of tap water is set to 0.2～0.6MPa, and the flow velocity of tap water is arranged
Being 1～5L/min, the voltage of electrolytic process is set to 3～15V.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108298744A (en) * | 2018-03-16 | 2018-07-20 | 天津市海跃水处理高科技有限公司 | A kind of non-biochemical deep treatment method of breeding wastewater |
| CN109179586A (en) * | 2018-09-17 | 2019-01-11 | 湖南财富引擎无形资产管理服务有限公司 | A kind of drinking water electrolyzed water machine and its electrolytic method |
| CN110668534A (en) * | 2019-11-07 | 2020-01-10 | 无锡迅朗联大机能水技术研究院有限公司 | Formula of electrolyte solution for non-diaphragm acidic electrolyzed water generator |
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| CN109179586A (en) * | 2018-09-17 | 2019-01-11 | 湖南财富引擎无形资产管理服务有限公司 | A kind of drinking water electrolyzed water machine and its electrolytic method |
| CN110668534A (en) * | 2019-11-07 | 2020-01-10 | 无锡迅朗联大机能水技术研究院有限公司 | Formula of electrolyte solution for non-diaphragm acidic electrolyzed water generator |
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