CN104342715B - The hypochlorous acid processed of cyclic electrolysis without diaphragm type, the device of sodium hypochlorite - Google Patents
The hypochlorous acid processed of cyclic electrolysis without diaphragm type, the device of sodium hypochlorite Download PDFInfo
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- CN104342715B CN104342715B CN201310346869.7A CN201310346869A CN104342715B CN 104342715 B CN104342715 B CN 104342715B CN 201310346869 A CN201310346869 A CN 201310346869A CN 104342715 B CN104342715 B CN 104342715B
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- hypochlorous acid
- sodium hypochlorite
- electrolytic cell
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- diaphragm
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
- C25B1/265—Chlorates
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
Abstract
The present invention provides a kind of cyclic electrolysis without diaphragm type hypochlorous acid processed, the device of sodium hypochlorite, including water softener, water tank, sodium chloride storage tank, feed pump, saline delivery pump, without diaphragm electrolytic cell, hypochlorous acid and sodium hypochlorite storage tank, electric control system；It is characterized in that, diaphragm electrolytic cell is provided with a cooling electrolyte inflow entrance and an electrolyte flow export, electrolyte flow export to cooling electrolyte inflow entrance, be connected with an electrolyte rear pump, heat exchanger, electrolyte front pump in turn；Electric control system includes a touch screen, a PLC control module and a commutator, is provided with control circuit between PLC control module and touch screen, commutator, water softener, feed pump, saline delivery pump, conductive electrode without diaphragm electrolytic cell, heat exchanger, electrolyte rear pump, electrolyte front pump.Cell reaction speed of the present invention is fast, hypochlorous acid and sodium hypochlorite yield is high, conversion ratio is high, operating cost is low.
Description
Technical field
The present invention relates to a kind of hypochlorous acid, sodium hypochlorite generators, particularly relate to a kind of without diaphragm type cyclic electrolysis system time chlorine
Acid, the device of sodium hypochlorite.
Background technology
Along with development and the growth in the living standard of social science and technology, people increasingly pay close attention to health, to drinking water, life
The disinfection of sewage alive, swimming pool, food processing factory's environment, eating house and the food materials in canteen, tableware is increasingly paid attention to.
Prior art mainly has chemical drugs cleaning and disinfecting method and ozone sterilization sterilization method two kinds.Use chemical drugs cleaning and disinfecting side
Method has costly, use after remain the problems such as medicine works the mischief, make food processing factory, eating house, canteen, make especially
Large-scale restaurant, hotel etc. can not take sterilizing measure thoroughly, have the risk causing groupment alimentary toxicosis.Use ozone
Sterilizing method often causes residual ozone, and residual ozone has various harm to human body, and it not only aggravates the old and feeble mistake of the mankind
Journey, and a series of disease can be caused, as caused arteriosclerosis, induced tumor generates, and causes platelet aggregation to cause brain
Thrombosis, myocardial infarction, cause internal organs ischemia, alzheimer disease, cataract, diabetes, anaphylaxis, immunity degradation, handkerchief
Gold Sen Shi is sick, and residual ozone is it may be said that be exactly a kind of chronic murderous weapon.Prior art is for drinking water, sanitary sewage, trip
The sterilization of swimming pool often uses disinfection by chlorine method, and the manufacturing cost of chlorine is high, and have in transport and management process too many not
Safety factors, additionally chlorine reacts the most again generation ammonia chloride, haloform etc. while killing antibacterial with carbamide, Organic substance
Harmful substance, may cause the lung of people, liver and central nervous system that canceration occurs.
Prior art also has a kind of sodium hypochlorite sterilizing method, and sodium hypochlorite cannot be only used for water factory, the killing of domestic sewage factory
Bacterium sterilization is it can also be used to the recirculated water of large cooling column, drinking water treatment, it may also be used for food, vegetable, the disappearing of meat packing
Poison, and the sterilizing of swimming-pool water, applied widely.Sodium hypochlorite sterilizing compared with disinfection by chlorine, manufacturing cost
Low, and use safety, therefore, sodium hypochlorite sterilizing is increasingly paid close attention to by people.
At present, electrolysis legal system hypochlorous acid, the device of sodium hypochlorite typically use without diaphragm electrolytic cell, the hypochlorous acid of this spline structure,
Sodium hypochlorite generators easily releases substantial amounts of heat when being electrolysed weak brine, makes the electrolyte temperature rise in electrolysis bath quickly, causes
In electrolyte, the concentration of effective chlorine reduces；The flow of weak brine is accelerated, the shortening response time can also solve problem of temperature rise, but meeting
Producing sodium chloride electrolysis not in time, hypochlorous acid, sodium hypochlorite concentration are low, and the problem that salinity is high.Prior art is generally adopted
It is used in and is arranged around cooling system to alleviate the problem of temperature rise of electrolyte without diaphragm electrolytic cell, but fail so far thoroughly to solve electricity
The problem solving liquid preference temperature, current hypochlorous acid, the conversion ratio of sodium hypochlorite often only have 40-50%, and power consumption is higher.Use
Ion-exchange membrane electrolysis can be effectively improved the conversion ratio of hypochlorous acid, sodium hypochlorite, but ionic membrane exists again that service life is short, often hand over
For use easily cause that fault, producing cost be high, hypochlorous acid and the shortcoming such as sodium hypochlorite yields poorly, response speed is slow, therefore carry
The high sodium hypochlorite conversion ratio without diaphragm type hypochlorous acid, sodium hypochlorite generators becomes correlative technology field technical staff and compels to be essential
Solve the technical problem that.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problem to be solved in the present invention is to provide a kind of response speed fast, secondary
Chloric acid and sodium hypochlorite yield are high, conversion ratio is high, operating cost the is low hypochlorous acid processed of cyclic electrolysis without diaphragm type, sodium hypochlorite
Device, to overcome the drawbacks described above of prior art.
In order to solve above-mentioned technical problem, the present invention provides a kind of cyclic electrolysis without diaphragm type hypochlorous acid processed, the device of sodium hypochlorite,
Including water softener, water tank, sodium chloride storage tank, feed pump, saline delivery pump, without diaphragm electrolytic cell, heat exchanger,
Electrolyte rear pump, electrolyte front pump, hypochlorous acid and sodium hypochlorite storage tank, electric control system；
The water inlet of described water softener connects water supply line, and the outlet of described water softener connects the water inlet of described water tank, institute
Stating the water inlet of sodium chloride storage tank, the outlet of described water tank connects the water inlet of feed pump, described sodium chloride storage tank
Outlet connects the water inlet of saline delivery pump, and the outlet of described feed pump and the outlet of saline delivery pump are all connected with described nothing
The weak brine inflow entrance of diaphragm electrolytic cell；
Described it is additionally provided with a cooling electrolyte inflow entrance, an electrolyte flow export without diaphragm electrolytic cell, and a hypochlorous acid,
Sodium hypochlorite fluid outlet；
Wherein, described weak brine inflow entrance is preferably provided at the side of the described bottom without diaphragm electrolytic cell, described cooling electricity
Solving liquid flow inlet and be also preferably arranged at the side of the described bottom without diaphragm electrolytic cell, described electrolyte flow export preferably sets
Be placed in the side of the described upper end without diaphragm electrolytic cell, described hypochlorous acid, sodium hypochlorite fluid outlet be preferably provided at without every
The top of membrane type electrolytic cell.
Described electrolyte flow export connects the inflow entrance of described electrolyte rear pump, and the flow export of described electrolyte rear pump connects heat
Exchanger inflow entrance, the flow export of described heat exchanger connects the inflow entrance of described electrolyte front pump, described electrolyte front pump
Flow export connect the described cooling electrolyte inflow entrance without diaphragm electrolytic cell；
The described hypochlorous acid without diaphragm electrolytic cell, sodium hypochlorite fluid outlet connect described hypochlorous acid and sodium hypochlorite storage tank
Inflow entrance；
Described hypochlorous acid and sodium hypochlorite storage tank are additionally provided with a flow export；
Described electric control system includes a touch screen, a PLC control module and a commutator, described PLC control module with
Touch screen, commutator, water softener, feed pump, saline delivery pump, conductive electrode without diaphragm electrolytic cell, heat exchanger,
Being provided with control circuit between electrolyte rear pump, electrolyte front pump, described commutator is the conduction without diaphragm electrolytic cell
The power supply of electrode.
Wherein, the described hypochlorous acid without diaphragm electrolytic cell, sodium hypochlorite fluid outlet and described hypochlorous acid and sodium hypochlorite storage
A temperature sensor and an electromagnetic valve it is disposed with on connecting line between the inflow entrance of tank；Described temperature sensor, electromagnetism
It is provided with control circuit between valve and described PLC control module.
A residual chlorine sensor and a liquid level sensor it is provided with on described hypochlorous acid and sodium hypochlorite storage tank, described residual chlorine sensor,
It is provided with control circuit between liquid level sensor and described PLC control module.
The described bottom without diaphragm electrolytic cell is provided with a flow transducer, described flow transducer and described PLC control module
Between be provided with control circuit.
Described is vertical tubulose without diaphragm electrolytic cell, described without being provided with 4-18 battery lead plate in diaphragm electrolytic cell, described
Battery lead plate is bipolar type battery lead plate, completely enclosed between the described tube wall without diaphragm electrolytic cell and each battery lead plate, described without barrier film
Formula electrolysis bath and each battery lead plate all use heat-resisting, corrosion-resistant material making.The spacing of each adjacent electrode plates is preferably 3-12mm.
Described heat exchanger is preferably pipeline type heat exchanger, and described heat exchanger is provided with visual windows, described heat exchanger
Being provided with cooling channels, the cooling fluid in described cooling channels is cooling water, cooling is oily or cooling gas.
As it has been described above, the cyclic electrolysis without diaphragm type of present invention hypochlorous acid processed, the device of sodium hypochlorite, have the advantages that
Problem of temperature rise in electrolysis bath when using the electrolyte outer circulation type of cooling to solve electrolysis, it is provided that be electrolysed optimal preference temperature,
Mixing electrolysis improves salt conversion ratio repeatedly, is automatically adjusted weak brine concentration and flow ensure that the generation of hypochlorous acid, sodium hypochlorite
Amount；It is that battery lead plate is powered that commutator can use unidirectional current to supply the mode of falling pole, and the problem solving electrode pickling descaling extends
Electrode life, improve electrolytic efficiency；Omnidistance by automated procedures control operation, automaticity is high, and fault is few, runs into
This is low, and hypochlorous acid, the concentration of sodium hypochlorite and growing amount can control.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of the device of the hypochlorous acid processed of cyclic electrolysis without diaphragm type of the present invention, sodium hypochlorite.
Element numbers explanation
1 water softener 2 water tank
3 sodium chloride storage tank 4 feed pumps
5 saline delivery pumps 6 are without diaphragm electrolytic cell
6a weak brine inflow entrance 6b cools down electrolyte inflow entrance
6c electrolyte flow export 6d hypochlorous acid, sodium hypochlorite fluid outlet
7 heat exchanger 7a visual windows
8 electrolyte rear pump 9 electrolyte front pumps
10 hypochlorous acid and sodium hypochlorite storage tank 10a inflow entrance
10b flow export 11 temperature sensor
12 electromagnetic valve 13 residual chlorine sensors
14 liquid level sensor 100 electric control systems
110 touch screen 120 PLC control modules
130 commutator 200 water supply lines
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be taken off by this specification
The content of dew understands other advantages and effect of the present invention easily.
Refer to Fig. 1.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate
Content disclosed in bright book, understands for those skilled in the art and reads, being not limited to the enforceable restriction of the present invention
Condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, at not shadow
Ring under the effect that can be generated by of the present invention and the purpose that can reach, all should still fall and obtain can contain at disclosed technology contents
In the range of lid.Meanwhile, in this specification cited as " on ", D score, "left", "right", the term of " middle " and " " etc.,
It is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, being altered or modified of its relativeness,
Without under essence change technology contents, when being also considered as the enforceable category of the present invention.
As it is shown in figure 1, the present invention provides a kind of cyclic electrolysis without diaphragm type hypochlorous acid processed, the device of sodium hypochlorite, including soft water
Device 1, water tank 2, sodium chloride storage tank 3, feed pump 4, saline delivery pump 5, without diaphragm electrolytic cell 6, heat exchanger 7,
Electrolyte rear pump 8, electrolyte front pump 9, hypochlorous acid and sodium hypochlorite storage tank 10, electric control system 100.
The water inlet of described water softener 1 connects water supply line 200, and the outlet of described water softener 1 connects described water tank 2
Water inlet, the water inlet of described sodium chloride storage tank 3, the outlet of described water tank 2 connects the water inlet of feed pump 4, institute
The outlet stating sodium chloride storage tank 3 connects the water inlet of saline delivery pump 5, the outlet of described feed pump 4 and saline conveying
The outlet of pump 5 is all connected with the described weak brine inflow entrance 6a without diaphragm electrolytic cell 6.
Described it is additionally provided with a cooling electrolyte inflow entrance 6b, an electrolyte flow export 6c without diaphragm electrolytic cell 6, and once
Chloric acid, sodium hypochlorite fluid outlet 6d.
Wherein, described weak brine inflow entrance 6a is preferably provided at the side of the described bottom without diaphragm electrolytic cell 6, described cold
But electrolyte inflow entrance 6b is also preferably arranged at the side of the described bottom without diaphragm electrolytic cell 6, described electrolyte flow export
6c is preferably provided at the side of the described upper end without diaphragm electrolytic cell 6, and described sodium hypochlorite fluid outlet 6d preferably sets
It is placed in the top without diaphragm electrolytic cell 6.
Described electrolyte flow export 6c connects the inflow entrance of described electrolyte rear pump 8, the flow export of described electrolyte rear pump 8
Connecting heat exchanger 7 inflow entrance, the flow export of described heat exchanger 7 connects the inflow entrance of described electrolyte front pump 9, described
The flow export of electrolyte front pump 9 connects the described cooling electrolyte inflow entrance 6b without diaphragm electrolytic cell 6.
The described hypochlorous acid without diaphragm electrolytic cell 6, sodium hypochlorite fluid outlet 6d connect described hypochlorous acid and sodium hypochlorite storage
The inflow entrance 10a of tank 10.
The inflow entrance 10a of described hypochlorous acid and sodium hypochlorite storage tank 10 is arranged at hypochlorous acid and the top of sodium hypochlorite storage tank 10
Portion, the lower end of described hypochlorous acid and sodium hypochlorite storage tank 10 is additionally provided with a flow export 10b.
Described electric control system 100 includes touch screen 110, PLC control module 120 and a commutator 130, described
PLC control module 120 and touch screen 110, commutator 130, water softener 1, feed pump 4, saline delivery pump 5, without barrier film
It is provided with control line between the conductive electrode of formula electrolysis bath 6, heat exchanger 7, electrolyte rear pump 8, electrolyte front pump 9
Road, described commutator 130 is the power supply of the conductive electrode without diaphragm electrolytic cell 6.
Wherein, the described hypochlorous acid without diaphragm electrolytic cell, sodium hypochlorite fluid outlet 6d and described hypochlorous acid and sodium hypochlorite storage
Hide and be disposed with temperature sensor 11 and an electromagnetic valve 12 on the connecting line between the inflow entrance 10a of tank；Described temperature
It is provided with control circuit between sensor 11, electromagnetic valve 12 and described PLC control module 120.
Residual chlorine sensor 13 and a liquid level sensor 14 it is provided with on described hypochlorous acid and sodium hypochlorite storage tank 10, described remaining
Also control circuit it is provided with between chlorine sensor 13, liquid level sensor 14 and described PLC control module 120.
The described bottom without diaphragm electrolytic cell 6 is additionally provided with a flow transducer (not shown), described flow transducer
And it is also equipped with between described PLC control module 120 controlling circuit.Described is vertical tubulose without diaphragm electrolytic cell 6, institute
Stating without being provided with 4-18 battery lead plate (not shown) in diaphragm electrolytic cell 6, described battery lead plate is bipolar type battery lead plate,
Between the described tube wall without diaphragm electrolytic cell 6 and each battery lead plate completely enclosed, described without diaphragm electrolytic cell 6 with each battery lead plate
All use heat-resisting, corrosion-resistant material making.The spacing of each adjacent electrode plates is preferably 3-12mm.
Described heat exchanger 7 is preferably pipeline type heat exchanger, and described heat exchanger 7 is provided with visual windows 7a, described heat
Exchanger 7 is provided with cooling channels, the cooling fluid in described cooling channels can be cooling water, cool down oily or cold
But gas.
The operation principle of the present invention is: staff is sent instruction by touch screen 110, makes PLC control module 120 by controlling
Each parts that circuit controls to be attached thereto carry out action, and PLC control module 120 starts water softener 1, carries water supply line 200
The water source of confession carries out sofening treatment, and the water reducing hardness flows into water tank 2 and sodium chloride storage tank 3, PLC control module 120
Starting feed pump 4 and saline delivery pump 5, the saline making the water flowed out by water tank 2 and sodium chloride storage tank 3 flow out is mixed into
Entered without diaphragm electrolytic cell 6 by the weak brine inflow entrance 6a without diaphragm electrolytic cell 6 after weak brine.By without diaphragm electrolytic cell
After flow transducer detection bottom 6 is without in diaphragm electrolytic cell 6, the amount of weak brine reaches certain numerical value, PLC control module 120
Controlling commutator 130 is that the battery lead plate without diaphragm electrolytic cell 6 provides power supply, and battery lead plate proceeds by and is electrolysed hypochlorous acid processed, secondary
The work of sodium chlorate, feed pump 4 and saline delivery pump 5 continue as providing weak brine without diaphragm electrolytic cell 6.By temperature sensing
Device 11 detection is without the temperature of diaphragm electrolytic cell 6 electrolyte inside, because of hypochlorous acid, the liquor natrii hypochloritis effective chlorine when 27-30 DEG C
Concentration is up to the highest, and therefore PLC control module 120 is 27-30 DEG C to the setting value of temperature, when without in diaphragm electrolytic cell 6
When the temperature of electrolyte is less than 27 DEG C, without the battery lead plate continuous firing of diaphragm electrolytic cell 6；Electricity in without diaphragm electrolytic cell 6
When the temperature of solution liquid is close to 30 DEG C, PLC control module 120 starts heat exchanger 7, electrolyte rear pump 8, electrolyte input
Pump 9 is operated, and the electrolyte more than 30 DEG C, by electrolyte rear pump 8 inflow heat exchanger 7, cools down in heat exchanger 7
After be flowed into without diaphragm electrolytic cell 6 again by electrolyte front pump 9, PLC control module 120 controls the electric current of commutator 130
The electrolytic speed making the battery lead plate without diaphragm electrolytic cell 6 declines, to alleviate electrolyte temperature continuation rising.Be electrolysed hypochlorous acid processed,
Liquor natrii hypochloritis is through after a period of time, and PLC control module 120 controls electromagnetic valve 12 and opens, electrolysis prepare hypochlorous acid,
Liquor natrii hypochloritis is flowed into hypochlorous acid and sodium hypochlorite storage tank by the sodium hypochlorite fluid outlet 6d without diaphragm electrolytic cell 6
In 10.The residual chlorine sensor 13 arranged on hypochlorous acid and sodium hypochlorite storage tank 10 is to hypochlorous acid and sodium hypochlorite storage tank 10
Interior hypochlorous acid, the concentration of liquor natrii hypochloritis detect, and testing result flows to PLC control module 120.
Now, each parts of the present invention start all to put into duty: PLC control under the control of PLC control module 120
Data Control feed pump 4 that molding block 120 provides according to residual chlorine sensor 13 and the operating of saline delivery pump 5, realize dilute
Brine strength and weak brine flow into the control of the amount without diaphragm electrolytic cell 6；PLC control module 120 is according to temperature sensor 11
Data Control heat exchanger 7, electrolyte rear pump 8 and the operating of electrolyte front pump 9 provided, realizes without diaphragm type electricity
Solve the control of groove 6 electrolyte inside temperature；PLC control module 120 provides according to residual chlorine sensor 13, temperature sensor 11
Data Control electromagnetic valve 12 opening and closing, realizes being flowed into hypochlorous acid and the hypochlorous acid of sodium hypochlorite storage tank 10, sodium hypochlorite
Concentration controls；PLC control module 120 controls whole electrolysis sodium hypochlorite system processed according to the signal that liquid level sensor 14 provides
Operating and stopping.The present invention will be controlled between 27-30 DEG C without the electrolyte in diaphragm electrolytic cell 6 by heat exchanger 7；When
Residual chlorine sensor 13 detects hypochlorous acid and time the hypochlorous acid of sodium hypochlorite storage tank 10, liquor natrii hypochloritis's concentration reach setting,
Feed pump 4 and saline delivery pump 5 operate, and are input to by weak brine without in diaphragm electrolytic cell 6, and meanwhile, electromagnetic valve 12 is opened,
Hypochlorous acid, liquor natrii hypochloritis that electrolysis prepares are flowed into by hypochlorous acid, the sodium hypochlorite fluid outlet 6d without diaphragm electrolytic cell 6
In hypochlorous acid and sodium hypochlorite storage tank 10；When residual chlorine sensor 13 detects the secondary chlorine of hypochlorous acid and sodium hypochlorite storage tank 10
Acid, liquor natrii hypochloritis's concentration are slightly above setting, illustrate that the concentration of weak brine is excessive, then PLC control module 120 is with frequency conversion
Mode regulates feed pump 4 and the operating of saline delivery pump 5, to regulate the concentration of weak brine；When residual chlorine sensor 13 detects time chlorine
When acid and the hypochlorous acid of sodium hypochlorite storage tank 10, liquor natrii hypochloritis's concentration are less than the minima set, electromagnetic valve 12 cuts out,
Feed pump 4 and saline delivery pump 5 shut down, and are repeatedly electrolysed electrolyte without the battery lead plate in diaphragm electrolytic cell 6,
After a period of time, feed pump 4 and saline delivery pump 5 rerun, and electromagnetic valve 12 is then turned on simultaneously, electrolysis prepare hypochlorous acid,
Liquor natrii hypochloritis is flowed into hypochlorous acid and secondary chlorine by hypochlorous acid, the sodium hypochlorite fluid outlet 6d without diaphragm electrolytic cell 6 again
In acid sodium storage tank 10；If it is molten that residual chlorine sensor 13 detects hypochlorous acid and the hypochlorous acid of sodium hypochlorite storage tank 10, sodium hypochlorite
Liquid concentration is still below setting, illustrates that the concentration of weak brine is too small, then PLC control module 120 supplies with conversion system regulation again
Water pump 4 and the operating of saline delivery pump 5, to regulate the concentration of weak brine；When residual chlorine sensor 13 detects hypochlorous acid and hypochlorous acid
When the hypochlorous acid of sodium storage tank 10, liquor natrii hypochloritis's concentration are less than the minima set, electromagnetic valve 12 is again switched off, and supplies water
Pump 4 and saline delivery pump 5 shut down again, and electrolyte again carries out electricity repeatedly without the battery lead plate in diaphragm electrolytic cell 6
Solve.Repeat above-mentioned electrolysis hypochlorous acid, the process of sodium hypochlorite the most always, until hypochlorous acid and sodium hypochlorite storage tank 10
Liquid level sensor 14 sent set hypochlorous acid, the signal of sodium hypochlorite growing amount, then PLC control module 120 is controlled
Each parts of the present invention processed shut down, and the present invention is automatically stopped work；Secondary chlorine in hypochlorous acid and sodium hypochlorite storage tank 10
Acid, liquor natrii hypochloritis are flowed out by flow export 10b, make the hypochlorous acid in hypochlorous acid and sodium hypochlorite storage tank 10, sodium hypochlorite
During solution deficiency, liquid level sensor 14 sends corresponding signal again, and the present invention is again started up, and is operated.
It is provided with visual windows 7a on the heat exchanger 7 of the present invention, the cooling feelings of electrolyte can be observed by this visual windows 7a
Condition and the corrosion condition of heat exchanger 7 interior conduit, in order in time heat exchanger 7 is carried out the maintenance of necessity.The nothing of the present invention
The battery lead plate arranged in diaphragm electrolytic cell 6 is bipolar type battery lead plate, makes PLC control module 120 controlled rectifier 130 to electricity
The power supply of pole plate uses the mode of falling pole, it is to avoid forms fouling at negative electrode during electrolysis, solves the problem that rinses of battery lead plate, and prolong
Grow the life-span of electrode, improve electrolytic efficiency.
Being electrolysed hypochlorous acid processed, sodium hypochlorite generators without diaphragm type and have and use constant voltage silicon controlled rectifier (SCR) as electricity of prior art
Pole plate power supply carries out once electrolytic, and salt conversion ratio can only achieve 45%；Also employing commutator is had to carry out one as battery lead plate power supply
Secondary electrolysis, salt conversion ratio can reach 60%；And the present invention uses commutator 130 as battery lead plate power supply, rely on heat exchanger 7
Realizing the electrolysis repeatedly of electrolyte, salt conversion ratio may be up to 95%.
The present invention may not only be applied to food, vegetable, the sterilization of meat packing and the sterilizing of swimming-pool water, it may also be used for big
The recirculated water of type cooling tower, drinking water treatment, because big growing amount can be arranged, so applying also for water factory, sanitary sewage
The sterilizing of factory, range of application is widely.The present invention prepares hypochlorous acid, the raw material of liquor natrii hypochloritis is Nacl and
Water, this different material all aboundresources, low price, thus production cost is low, operating cost is low.
In sum, the cyclic electrolysis without diaphragm type of present invention hypochlorous acid processed, the device of sodium hypochlorite use electrolyte outer circulation cold
But problem of temperature rise in electrolysis bath when mode solves electrolysis, mixing electrolysis improves salt conversion ratio repeatedly, is automatically adjusted weak brine dense
Degree and flow ensure that the growing amount of hypochlorous acid, sodium hypochlorite；The present invention solves the problem of electrode pickling descaling, extends electricity
In the pole life-span, improve electrolytic efficiency；Omnidistance by automated procedures control operation, automaticity is high, and fault is few, operating cost
Low, hypochlorous acid, the concentration of sodium hypochlorite and growing amount can control.So, the present invention effectively overcomes of the prior art all
Shortcoming and have high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (10)
1. without diaphragm type cyclic electrolysis hypochlorous acid, a device for sodium hypochlorite, including water softener (1), water tank (2), chlorine
Change sodium storage tank (3), feed pump (4), saline delivery pump (5), without diaphragm electrolytic cell (6), hypochlorous acid and secondary chlorine
Acid sodium storage tank (10), electric control system (100)；The water inlet of described water softener (1) connects water supply line (200),
The outlet of described water softener (1) connects the water inlet of described water tank (2), the water inlet of described sodium chloride storage tank (3),
The outlet of described water tank (2) connects the water inlet of feed pump (4), and the outlet of described sodium chloride storage tank (3) connects
The water inlet of saline delivery pump (5), the outlet of described feed pump (4) and the outlet of saline delivery pump (5) are all connected with institute
State the weak brine inflow entrance (6a) without diaphragm electrolytic cell；Described it is additionally provided with a hypochlorous acid, hypochlorous acid without diaphragm electrolytic cell
Sodium fluid outlet (6d)；The described hypochlorous acid without diaphragm electrolytic cell, sodium hypochlorite fluid outlet (6d) connect described chlorine
Acid and the inflow entrance (10a) of sodium hypochlorite storage tank；
It is characterized in that, also include heat exchanger (7), electrolyte rear pump (8), electrolyte front pump (9)；
Described it is additionally provided with cooling electrolyte inflow entrance (6b) and an electrolyte flow export (6c) without diaphragm electrolytic cell (6)；
Described electrolyte flow export (6c) connects the inflow entrance of described electrolyte rear pump (8), described electrolyte rear pump (8)
Flow export connects heat exchanger (7) inflow entrance, and the flow export of described heat exchanger (7) connects described electrolyte front pump (9)
Inflow entrance, the flow export of described electrolyte front pump (9) connects the described cooling electrolyte inflow entrance without diaphragm electrolytic cell
(6b)；
Described electric control system (100) includes a touch screen (110), PLC control module (120) and a commutator
(130), described PLC control module (120) and touch screen (110), commutator (130), water softener (1), confession
Water pump (4), saline delivery pump (5), the conductive electrode without diaphragm electrolytic cell (6), heat exchanger (7), electrolyte
Being provided with control circuit between rear pump (8), electrolyte front pump (9), described commutator (130) is without diaphragm type electricity
Solve the power supply of the conductive electrode of groove (6).
Cyclic electrolysis without diaphragm type the most according to claim 1 hypochlorous acid processed, the device of sodium hypochlorite, it is characterised in that: institute
State the hypochlorous acid without diaphragm electrolytic cell, sodium hypochlorite fluid outlet (6d) and described hypochlorous acid and the stream of sodium hypochlorite storage tank
A temperature sensor (11) and an electromagnetic valve (12) it is disposed with on connecting line between entrance (10a)；Described temperature
It is provided with control circuit between sensor (11), electromagnetic valve (12) and described PLC control module (120).
Cyclic electrolysis without diaphragm type the most according to claim 1 and 2 hypochlorous acid processed, the device of sodium hypochlorite, it is characterised in that:
A residual chlorine sensor (13) and a liquid level sensor (14) it is provided with on described hypochlorous acid and sodium hypochlorite storage tank (10),
It is provided with control between described residual chlorine sensor (13), liquid level sensor (14) and described PLC control module (120)
Circuit.
Cyclic electrolysis without diaphragm type the most according to claim 1 and 2 hypochlorous acid processed, the device of sodium hypochlorite, it is characterised in that:
The described bottom without diaphragm electrolytic cell (6) is provided with a flow transducer, and described flow transducer controls mould with described PLC
Block is provided with control circuit between (120).
Cyclic electrolysis without diaphragm type the most according to claim 3 hypochlorous acid processed, the device of sodium hypochlorite, it is characterised in that: institute
State the bottom without diaphragm electrolytic cell (6) and be provided with a flow transducer, described flow transducer and described PLC control module
(120) control circuit it is provided with between.
Cyclic electrolysis without diaphragm type the most according to claim 1 hypochlorous acid processed, the device of sodium hypochlorite, it is characterised in that: institute
Stating without diaphragm electrolytic cell (6) is vertical tubulose, described without being provided with 4-18 battery lead plate in diaphragm electrolytic cell, described
Without completely enclosed between tube wall and each battery lead plate of diaphragm electrolytic cell, described all use resistance to without diaphragm electrolytic cell and each battery lead plate
Heat, corrosion-resistant material make.
Cyclic electrolysis without diaphragm type the most according to claim 6 hypochlorous acid processed, the device of sodium hypochlorite, it is characterised in that: institute
Stating battery lead plate is bipolar type battery lead plate.
8. according to the hypochlorous acid processed of the cyclic electrolysis without diaphragm type described in claim 6 or 7, the device of sodium hypochlorite, it is characterised in that:
The spacing of described each adjacent electrode plates is 3-12mm.
Cyclic electrolysis without diaphragm type the most according to claim 1 hypochlorous acid processed, the device of sodium hypochlorite, it is characterised in that: institute
Stating heat exchanger (7) is pipeline type heat exchanger, and described heat exchanger is provided with visual windows (7a), described heat exchanger
Being provided with cooling channels, the cooling fluid in described cooling channels is cooling water, cooling is oily or cooling gas.
Cyclic electrolysis without diaphragm type the most according to claim 1 hypochlorous acid processed, the device of sodium hypochlorite, it is characterised in that: institute
State weak brine inflow entrance (6a), cooling electrolyte inflow entrance (6b) is arranged at the described bottom without diaphragm electrolytic cell (6)
Side, described electrolyte flow export (6c) is arranged at the side of the described upper end without diaphragm electrolytic cell (6), described hypochlorous acid,
Sodium hypochlorite fluid outlet (6d) is arranged at the described top without diaphragm electrolytic cell (6).
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| CN201310346869.7A CN104342715B (en) | 2013-08-09 | 2013-08-09 | The hypochlorous acid processed of cyclic electrolysis without diaphragm type, the device of sodium hypochlorite |
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| CN104342715B true CN104342715B (en) | 2016-12-28 |
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