CN104342715A - Diaphragm-free type device for circularly electrolyzing hypochlorous acid and sodium hypochlorite - Google Patents
Diaphragm-free type device for circularly electrolyzing hypochlorous acid and sodium hypochlorite Download PDFInfo
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- CN104342715A CN104342715A CN201310346869.7A CN201310346869A CN104342715A CN 104342715 A CN104342715 A CN 104342715A CN 201310346869 A CN201310346869 A CN 201310346869A CN 104342715 A CN104342715 A CN 104342715A
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- hypochlorous acid
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- electrolytic cell
- clorox
- water
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- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 title claims abstract description 99
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000005708 Sodium hypochlorite Substances 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000003860 storage Methods 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 239000003792 electrolyte Substances 0.000 claims abstract description 23
- 238000005868 electrolysis reaction Methods 0.000 claims description 49
- 239000008151 electrolyte solution Substances 0.000 claims description 44
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 35
- 239000000460 chlorine Substances 0.000 claims description 35
- 229910052801 chlorine Inorganic materials 0.000 claims description 35
- 230000004941 influx Effects 0.000 claims description 25
- 239000012266 salt solution Substances 0.000 claims description 23
- 239000012267 brine Substances 0.000 claims description 22
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 20
- 125000004122 cyclic group Chemical group 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 16
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 12
- 230000000007 visual effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000005405 multipole Effects 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 239000000112 cooling gas Substances 0.000 claims description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 6
- 239000011780 sodium chloride Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000036632 reaction speed Effects 0.000 abstract 1
- 238000004659 sterilization and disinfection Methods 0.000 description 17
- 239000007844 bleaching agent Substances 0.000 description 14
- 230000009466 transformation Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000001954 sterilising effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 235000013305 food Nutrition 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 206010003210 Arteriosclerosis Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 208000002177 Cataract Diseases 0.000 description 1
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- 206010039966 Senile dementia Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 208000026935 allergic disease Diseases 0.000 description 1
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- 239000004202 carbamide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
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- 210000004185 liver Anatomy 0.000 description 1
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- 231100000614 poison Toxicity 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention provides a diaphragm-free type device for circularly electrolyzing hypochlorous acid and sodium hypochlorite. The device comprises a water softener, a water storage tank, a sodium chloride storage tank, a water supply pump, a saline water conveying pump, a diaphragm-free type electrolytic cell, a hypochlorous acid and sodium hypochlorite storage tank and an electrical control system. The device is characterized in that the diaphragm-free type electrolytic cell is provided with a cooling electrolyte flow-in opening and an electrolyte flow-out opening; an electrolyte output pump, a heat exchanger and an electrolyte input pump are sequentially connected between the electrolyte flow-out opening and the cooling electrolyte flow-in opening; the electrical control system comprises a touch screen, a PLC control module and a rectifier; and control circuits are arranged among the PLC control module, the touch screen, the rectifier, the water softener, the water supply pump, the saline water conveying pump, a conductive electrode of the diaphragm-free type electrolytic cell, the heat exchanger, the electrolyte output pump and the electrolyte input pump. The diaphragm-free type device is high in electrolytic reaction speed, high in hypochlorous acid and sodium hypochlorite yield, high in conversion rate and low in running cost.
Description
Technical field
The present invention relates to a kind of hypochlorous acid, sodium hypochlorite generators, particularly relate to a kind of device without diaphragm type cyclic electrolysis hypochlorous acid, clorox.
Background technology
Along with development and the growth in the living standard of social science and technology, people more and more pay close attention to HUMAN HEALTH, more and more pay attention to tap water, sanitary sewage, swimming pool, food processing plant's environment, eating house and the food materials in canteen, the disinfection of tableware.Prior art mainly contains pharmaceutical chemicals cleaning and disinfecting method and ozone sterilization sterilization method two kinds.Adopt pharmaceutical chemicals cleaning and disinfecting method to have costly, use the problems such as rear residual medicine works the mischief, make food processing plant, eating house, canteen, make large-scale restaurant, hotel etc. can not take sterilization and disinfection measure thoroughly especially, have the risk causing group to poison by food.Ozone sterilization sterilization method is adopted often to cause residual ozone, residual ozone has various harm to human body, it not only aggravates the aging course of the mankind, and a series of disease can be caused, as caused arteriosclerosis, induced tumor generates, and causes platelet aggregation to cause cerebral thrombosis, myocardial infarction, cause internal organs ischemic, senile dementia, cataract, diabetes, allergy, immunity degradation, Parkinson's disease etc., residual ozone is exactly a kind of chronic murderous weapon.Prior art often adopts disinfection by chlorine method for the sterilization of tap water, sanitary sewage, swimming pool, the manufacturing cost of chlorine is high, and too many unsafe factor is had in transport and management process, chlorine often reacts with urea, organism again and generates the objectionable impurities such as ammonia chloride, haloform while killing bacterium in addition, may cause the lung of people, liver and central nervous system generation canceration.
Prior art also has a kind of clorox sterilizing method, clorox not only can be used for the sterilization and disinfection of water factory, domestic sewage factory, also can be used for the recirculated water of large cooling column, drinking water treatment, also can be used for the sterilization of food, vegetables, meat processing, and the sterilization and disinfection of swimming-pool water, applied widely.Clorox sterilization and disinfection is compared with disinfection by chlorine, and low cost of manufacture, and use safety, therefore, clorox sterilization and disinfection more and more receives the concern of people.
At present, the device of electrolysis legal system hypochlorous acid, clorox generally adopts without diaphragm electrolytic cell, hypochlorous acid, the sodium hypochlorite generators of this spline structure easily release a large amount of heat when electrolysis weak brine, make the electrolytic solution temperature rise in electrolyzer very fast, cause the concentration of available chlorine in electrolytic solution to reduce; The flow of weak brine is accelerated, Reaction time shorten also can solve problem of temperature rise, but can produce sodium chloride electrolysis not in time, and hypochlorous acid, clorox concentration are low, and the problem that saltness is high.Prior art generally adopts without arranging cooling system around diaphragm electrolytic cell to alleviate the problem of temperature rise of electrolytic solution, but fail thoroughly to solve the problem of electrolytic solution optimal temperature so far, the transformation efficiency of current hypochlorous acid, clorox often only has 40-50%, and power consumption is higher.Adopt ion-exchange membrane electrolysis effectively can improve the transformation efficiency of hypochlorous acid, clorox, but ionic membrane exist again work-ing life short, be often used alternatingly easily cause that fault, productive expense are high, hypochlorous acid and the shortcoming such as clorox yields poorly, speed of response is slow, therefore the clorox transformation efficiency improved without diaphragm type hypochlorous acid, sodium hypochlorite generators becomes correlative technology field technician technical problem in the urgent need to address.
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 that a kind of speed of response is fast, hypochlorous acid and clorox output is high, transformation efficiency is high, running cost the is low device without diaphragm type cyclic electrolysis hypochlorous acid, clorox, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the invention provides a kind of device without diaphragm type cyclic electrolysis hypochlorous acid, clorox, comprise water softener, water tank, sodium-chlor storage tank, working shaft, salt solution transferpump, without diaphragm electrolytic cell, heat exchanger, electrolytic solution Send out pump, electrolytic solution front pump, hypochlorous acid and clorox storage tank, electric control system;
The water-in of described water softener connects water supply line, the water outlet of described water softener connects the water-in of described water tank, the water-in of described sodium-chlor storage tank, the water outlet of described water tank connects the water-in of working shaft, the water outlet of described sodium-chlor storage tank connects the water-in of salt solution transferpump, and the water outlet of described working shaft and the water outlet of salt solution transferpump are all connected the described weak brine influx without diaphragm electrolytic cell;
Describedly also be provided with a cooling electrolysis liquid flow inlet, an electrolyte stream outlet without diaphragm electrolytic cell, and a hypochlorous acid, clorox fluid outlet;
Wherein, described weak brine influx is preferably arranged at the side of the described bottom without diaphragm electrolytic cell, described cooling electrolysis liquid flow inlet is also preferably arranged at the side of the described bottom without diaphragm electrolytic cell, described electrolyte stream outlet is preferably arranged at the side of the described upper end without diaphragm electrolytic cell, and described hypochlorous acid, clorox fluid outlet are preferably arranged at the top without diaphragm electrolytic cell.
Described electrolyte stream outlet connects the influx of described electrolytic solution Send out pump, the spout of described electrolytic solution Send out pump connects heat exchanger influx, the spout of described heat exchanger connects the influx of described electrolytic solution front pump, and the spout of described electrolytic solution front pump connects the described cooling electrolysis liquid flow inlet without diaphragm electrolytic cell;
The described hypochlorous acid without diaphragm electrolytic cell, clorox fluid outlet connect the influx of described hypochlorous acid and clorox storage tank;
Described hypochlorous acid and clorox storage tank are also provided with a spout;
Described electric control system comprises a touch-screen, a PLC control module and a rectifier, be provided with control circuit between described PLC control module and touch-screen, rectifier, water softener, working shaft, salt solution transferpump, conductive electrode without diaphragm electrolytic cell, heat exchanger, electrolytic solution Send out pump, electrolytic solution front pump, described rectifier is the power supply of the conductive electrode without diaphragm electrolytic cell.
Wherein, the described hypochlorous acid without diaphragm electrolytic cell, connecting pipeline between clorox fluid outlet and the influx of described hypochlorous acid and clorox storage tank are disposed with a temperature sensor and a magnetic valve; Described temperature sensor, between magnetic valve and described PLC control module, be provided with control circuit.
Described hypochlorous acid and clorox storage tank are provided with a residual chlorine sensor and a liquid level sensor, described residual chlorine sensor, between liquid level sensor and described PLC control module, are provided with control circuit.
The described bottom without diaphragm electrolytic cell is provided with a flow sensor, is provided with control circuit between described flow sensor and described PLC control module.
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 multipole type battery lead plate, completely closed between the described tube wall without diaphragm electrolytic cell and each battery lead plate, describedly all adopt heat-resisting, corrosion-resistant material to make without diaphragm electrolytic cell and each battery lead plate.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, and described heat exchanger is provided with cooling channels, and the cooling fluid in described cooling channels is water coolant, cooling oil or cooling gas.
As mentioned above, the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox of the present invention, has following beneficial effect:
When adopting the electrolytic solution outer circulation type of cooling to solve electrolysis, problem of temperature rise in electrolyzer, provides the best optimal temperature of electrolysis, repeatedly mixes electrolysis and improve salt transformation efficiency, automatically regulate weak brine concentration and flow to ensure that the growing amount of hypochlorous acid, clorox; It is that battery lead plate is powered that rectifier can adopt direct current to supply the mode of falling pole, solves the problem of electrode pickling descaling, extends electrode life, improve electrolytic efficiency; Omnidistance by automatic routine controlling run, level of automation is high, and fault is few, and running cost is low, and the concentration of hypochlorous acid, clorox and growing amount can control.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox of the present invention.
Element numbers explanation
1 water softener 2 water tank
3 sodium-chlor storage tank 4 working shafts
5 salt solution transferpumps 6 are without diaphragm electrolytic cell
6a weak brine influx 6b cools electrolysis liquid flow inlet
6c electrolyte stream outlet 6d hypochlorous acid, clorox fluid outlet
7 heat exchanger 7a visual windows
8 electrolytic solution Send out pump 9 electrolytic solution front pumps
10 hypochlorous acid and clorox storage tank 10a influx
10b spout 11 temperature sensor
12 magnetic valve 13 residual chlorine sensors
14 liquid level sensor 100 electric control systems
110 touch-screen 120 PLC control modules
130 rectifier 200 water supply lines
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.
Refer to Fig. 1.Notice, structure, ratio, size etc. that this specification sheets institute accompanying drawings illustrates, content all only in order to coordinate specification sheets to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionlity or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this specification sheets as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, the invention provides a kind of device without diaphragm type cyclic electrolysis hypochlorous acid, clorox, comprise water softener 1, water tank 2, sodium-chlor storage tank 3, working shaft 4, salt solution transferpump 5, without diaphragm electrolytic cell 6, heat exchanger 7, electrolytic solution Send out pump 8, electrolytic solution front pump 9, hypochlorous acid and clorox storage tank 10, electric control system 100.
The water-in of described water softener 1 connects water supply line 200, the water outlet of described water softener 1 connects the water-in of described water tank 2, the water-in of described sodium-chlor storage tank 3, the water outlet of described water tank 2 connects the water-in of working shaft 4, the water outlet of described sodium-chlor storage tank 3 connects the water-in of salt solution transferpump 5, and the water outlet of described working shaft 4 and the water outlet of salt solution transferpump 5 are all connected the described weak brine influx 6a without diaphragm electrolytic cell 6.
Describedly also be provided with a cooling electrolysis liquid flow inlet 6b, an electrolyte stream outlet 6c without diaphragm electrolytic cell 6, and a hypochlorous acid, clorox fluid outlet 6d.
Wherein, described weak brine influx 6a is preferably arranged at the side of the described bottom without diaphragm electrolytic cell 6, described cooling electrolysis liquid flow inlet 6b is also preferably arranged at the side of the described bottom without diaphragm electrolytic cell 6, described electrolyte stream outlet 6c is preferably arranged at the side of the described upper end without diaphragm electrolytic cell 6, and described clorox fluid outlet 6d is preferably arranged at the top without diaphragm electrolytic cell 6.
Described electrolyte stream outlet 6c connects the influx of described electrolytic solution Send out pump 8, the spout of described electrolytic solution Send out pump 8 connects heat exchanger 7 influx, the spout of described heat exchanger 7 connects the influx of described electrolytic solution front pump 9, and the spout of described electrolytic solution front pump 9 connects the described cooling electrolysis liquid flow inlet 6b without diaphragm electrolytic cell 6.
The described hypochlorous acid without diaphragm electrolytic cell 6, clorox fluid outlet 6d connect the influx 10a of described hypochlorous acid and clorox storage tank 10.
The influx 10a of described hypochlorous acid and clorox storage tank 10 is arranged at the top of hypochlorous acid and clorox storage tank 10, and the lower end of described hypochlorous acid and clorox storage tank 10 is also provided with a spout 10b.
Described electric control system 100 comprises touch-screen 110, PLC control module 120 and a rectifier 130, be provided with control circuit between described PLC control module 120 and touch-screen 110, rectifier 130, water softener 1, working shaft 4, salt solution transferpump 5, conductive electrode without diaphragm electrolytic cell 6, heat exchanger 7, electrolytic solution Send out pump 8, electrolytic solution front pump 9, described rectifier 130 is the power supply of the conductive electrode without diaphragm electrolytic cell 6.
Wherein, the connecting pipeline between the described hypochlorous acid without diaphragm electrolytic cell, clorox fluid outlet 6d and the influx 10a of described hypochlorous acid and clorox storage tank is disposed with temperature sensor 11 and a magnetic valve 12; Described temperature sensor 11, between magnetic valve 12 and described PLC control module 120, be provided with control circuit.
Described hypochlorous acid and clorox storage tank 10 are provided with residual chlorine sensor 13 and a liquid level sensor 14, described residual chlorine sensor 13, between liquid level sensor 14 and described PLC control module 120, are also provided with control circuit.
The described bottom without diaphragm electrolytic cell 6 is also provided with a flow sensor (not shown), is also provided with control circuit between described flow sensor and described PLC control module 120.Described is vertical tubulose without diaphragm electrolytic cell 6, described without being provided with 4-18 battery lead plate (not shown) in diaphragm electrolytic cell 6, described battery lead plate is multipole type battery lead plate, completely closed between the described tube wall without diaphragm electrolytic cell 6 and each battery lead plate, describedly all adopt heat-resisting, corrosion-resistant material to make without diaphragm electrolytic cell 6 and each battery lead plate.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, and described heat exchanger 7 is provided with cooling channels, and the cooling fluid in described cooling channels can be water coolant, cooling oil or cooling gas.
Principle of work of the present invention is: staff sends instruction by touch-screen 110, the each parts making PLC control module 120 control to be attached thereto by control circuit carry out action, PLC control module 120 starts water softener 1, sofening treatment is carried out to the water source that water supply line 200 provides, the water reducing hardness flows into water tank 2 and sodium-chlor storage tank 3, PLC control module 120 starts working shaft 4 and salt solution transferpump 5, entered without diaphragm electrolytic cell 6 by the weak brine influx 6a without diaphragm electrolytic cell 6 after making salt solution that the water that flowed out by water tank 2 and sodium-chlor storage tank 3 flow out be mixed into weak brine.Detect without after in diaphragm electrolytic cell 6, the amount of weak brine reaches certain numerical value by without the flow sensor bottom diaphragm electrolytic cell 6, PLC control module 120 controls rectifier 130 for providing power supply without the battery lead plate of diaphragm electrolytic cell 6, battery lead plate starts the work carrying out electrolysis hypochlorous acid, clorox, and working shaft 4 and salt solution transferpump 5 continue as and provide weak brine without diaphragm electrolytic cell 6.The temperature without diaphragm electrolytic cell 6 electrolyte inside is detected by temperature sensor 11, because hypochlorous acid, the chlorine bleach liquor effective chlorine density when 27-30 DEG C can reach the highest, therefore the set(ting)value of PLC control module 120 pairs of temperature is 27-30 DEG C, when the temperature without diaphragm electrolytic cell 6 electrolyte inside is less than 27 DEG C, without the battery lead plate continuous firing of diaphragm electrolytic cell 6; When the temperature without diaphragm electrolytic cell 6 electrolyte inside is close to 30 DEG C, PLC control module 120 starts heat exchanger 7, electrolytic solution Send out pump 8, electrolytic solution front pump 9 carry out work, be greater than the electrolytic solution of 30 DEG C by electrolytic solution Send out pump 8 inflow heat exchanger 7, flow into without diaphragm electrolytic cell 6 again by electrolytic solution front pump 9 after cooling in heat exchanger 7, the electric current that PLC control module 120 controls rectifier 130 makes to decline without the electrolytic speed of the battery lead plate of diaphragm electrolytic cell 6, continues to rise to alleviate electrolyte temperature.Electrolysis hypochlorous acid, chlorine bleach liquor are through after a period of time, PLC control module 120 Controlling solenoid valve 12 is opened, and the hypochlorous acid that electrolysis obtains, chlorine bleach liquor are flow in hypochlorous acid and clorox storage tank 10 by the clorox fluid outlet 6d without diaphragm electrolytic cell 6.Hypochlorous acid in residual chlorine sensor 13 pairs of hypochlorous acid that hypochlorous acid and clorox storage tank 10 are arranged and clorox storage tank 10, the concentration of chlorine bleach liquor detect, and detected result are flowed to PLC control module 120.
Now, each parts of the present invention start all to put into working order under the control of PLC control module 120: the running of the Data Control working shaft 4 that PLC control module 120 provides according to residual chlorine sensor 13 and salt solution transferpump 5, realize flowing into control without the amount of diaphragm electrolytic cell 6 to weak brine concentration and weak brine; The running of the Data Control heat exchanger 7 that PLC control module 120 provides according to temperature sensor 11, electrolytic solution Send out pump 8 and electrolytic solution front pump 9, realizes the control without diaphragm electrolytic cell 6 electrolyte inside temperature; Data Control magnetic valve 12 opening and closing that PLC control module 120 provides according to residual chlorine sensor 13, temperature sensor 11, realizes flowing into the hypochlorous acid of hypochlorous acid and clorox storage tank 10, the concentration of clorox controls; The running of the signal control whole electrolysis clorox system that PLC control module 120 provides according to liquid level sensor 14 and stopping.The present invention controls by heat exchanger 7 between 27-30 DEG C by without the electrolytic solution in diaphragm electrolytic cell 6, when residual chlorine sensor 13 detect the hypochlorous acid of hypochlorous acid and clorox storage tank 10, chlorine bleach liquor's concentration reach prescribed value time, working shaft 4 and salt solution transferpump 5 operate, weak brine is input to without in diaphragm electrolytic cell 6, simultaneously, magnetic valve 12 is opened, and the hypochlorous acid that electrolysis obtains, chlorine bleach liquor are by flowing in hypochlorous acid and clorox storage tank 10 without the hypochlorous acid of diaphragm electrolytic cell 6, clorox fluid outlet 6d, when residual chlorine sensor 13 detects the hypochlorous acid of hypochlorous acid and clorox storage tank 10, chlorine bleach liquor's concentration a little more than prescribed value, illustrate that the concentration of weak brine is excessive, then PLC control module 120 regulates the running of working shaft 4 and salt solution transferpump 5 with conversion system, to regulate the concentration of weak brine, when residual chlorine sensor 13 detects the hypochlorous acid of hypochlorous acid and clorox storage tank 10, when chlorine bleach liquor's concentration is lower than the minimum value set, magnetic valve 12 cuts out, working shaft 4 and salt solution transferpump 5 shut down, without the battery lead plate in diaphragm electrolytic cell 6, electrolysis is repeatedly carried out to electrolytic solution, after for some time, working shaft 4 and salt solution transferpump 5 rerun, magnetic valve 12 is opened again simultaneously, the hypochlorous acid that electrolysis is obtained, chlorine bleach liquor is again by the hypochlorous acid without diaphragm electrolytic cell 6, clorox fluid outlet 6d flow in hypochlorous acid and clorox storage tank 10, if residual chlorine sensor 13 detects the hypochlorous acid of hypochlorous acid and clorox storage tank 10, chlorine bleach liquor's concentration still lower than prescribed value, illustrate that the concentration of weak brine is too small, then PLC control module 120 regulates the running of working shaft 4 and salt solution transferpump 5 again with conversion system, to regulate the concentration of weak brine, when residual chlorine sensor 13 detects minimum value lower than setting of the hypochlorous acid of hypochlorous acid and clorox storage tank 10, chlorine bleach liquor's concentration, magnetic valve 12 cuts out again, working shaft 4 and salt solution transferpump 5 shut down again, again carry out electrolysis repeatedly to electrolytic solution without the battery lead plate in diaphragm electrolytic cell 6.Repeat the process of above-mentioned electrolysis hypochlorous acid, clorox afterwards always, until the liquid level sensor 14 of hypochlorous acid and clorox storage tank 10 has sent the hypochlorous acid of setting, the signal of clorox growing amount, then PLC control module 120 controls each parts of the present invention and shuts down, and the present invention quits work automatically; When the hypochlorous acid in hypochlorous acid and clorox storage tank 10, chlorine bleach liquor are flowed out by spout 10b, when making the hypochlorous acid in hypochlorous acid and clorox storage tank 10, chlorine bleach liquor's deficiency, liquid level sensor 14 sends corresponding signal again, and the present invention starts again, carries out work.
Heat exchanger 7 of the present invention is provided with visual windows 7a, the cooling situation of electrolytic solution and the corrosion condition of heat exchanger 7 interior conduit can be observed by this visual windows 7a, so that carry out necessary maintenance to heat exchanger 7 in time.Battery lead plate without arranging in diaphragm electrolytic cell 6 of the present invention is multipole type battery lead plate, the power supply of PLC control module 120 controlled rectifier 130 pairs of battery lead plates is made to adopt the mode of falling pole, fouling is formed at negative electrode when avoiding electrolysis, what solve battery lead plate rinses the problem of washing, and extend the life-span of electrode, improve electrolytic efficiency.
Having without diaphragm type electrolysis hypochlorous acid, sodium hypochlorite generators of prior art adopts constant voltage silicon-controlled rectifier to carry out once electrolytic as battery lead plate power supply, and salt transformation efficiency can only reach 45%; Also have and adopt rectifier to carry out once electrolytic as battery lead plate power supply, salt transformation efficiency can reach 60%; And the present invention adopts rectifier 130 as battery lead plate power supply, rely on heat exchanger 7 to realize the electrolysis repeatedly of electrolytic solution, salt transformation efficiency can up to 95%.
The present invention not only can be used for food, vegetables, the sterilization of meat processing and the sterilization and disinfection of swimming-pool water, also can be used for the recirculated water of large cooling column, drinking water treatment, because large growing amount can be arranged, so be also applicable to the sterilization and disinfection of water factory, domestic sewage factory, range of application widely.The present invention obtains hypochlorous acid, the starting material of chlorine bleach liquor are Industrial Salt and water, this different material all aboundresources, low price, thus production cost is low, and running cost is low.
In sum, problem of temperature rise in electrolyzer when device without diaphragm type cyclic electrolysis hypochlorous acid, clorox of the present invention adopts the electrolytic solution outer circulation type of cooling to solve electrolysis, repeatedly mix electrolysis and improve salt transformation efficiency, automatically regulate weak brine concentration and flow to ensure that the growing amount of hypochlorous acid, clorox; The invention solves the problem of electrode pickling descaling, extend electrode life, improve electrolytic efficiency; Omnidistance by automatic routine controlling run, level of automation is high, and fault is few, and running cost is low, and the concentration of hypochlorous acid, clorox and growing amount can control.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. without a device for diaphragm type cyclic electrolysis hypochlorous acid, clorox, comprise water softener (1), water tank (2), sodium-chlor storage tank (3), working shaft (4), salt solution transferpump (5), without diaphragm electrolytic cell (6), hypochlorous acid and clorox storage tank (10), electric control system (100); The water-in of described water softener (1) connects water supply line (200), the water outlet of described water softener (1) connects the water-in of described water tank (2), the water-in of described sodium-chlor storage tank (3), the water outlet of described water tank (2) connects the water-in of working shaft (4), the water outlet of described sodium-chlor storage tank (3) connects the water-in of salt solution transferpump (5), and water outlet and the water outlet of salt solution transferpump (5) of described working shaft (4) are all connected the described weak brine influx (6a) without diaphragm electrolytic cell; Describedly also be provided with a hypochlorous acid, clorox fluid outlet (6d) without diaphragm electrolytic cell; The described hypochlorous acid without diaphragm electrolytic cell, clorox fluid outlet (6d) connect the influx (10a) of described hypochlorous acid and clorox storage tank;
It is characterized in that, also comprise heat exchanger (7), electrolytic solution Send out pump (8), electrolytic solution front pump (9);
Described without diaphragm electrolytic cell (6) be also provided with a cooling electrolysis liquid flow inlet (6b) and an electrolyte stream outlet (6c); Described electrolyte stream outlet (6c) connects the influx of described electrolytic solution Send out pump (8), the spout of described electrolytic solution Send out pump (8) connects heat exchanger (7) influx, the spout of described heat exchanger (7) connects the influx of described electrolytic solution front pump (9), and the spout of described electrolytic solution front pump (9) connects the described cooling electrolysis liquid flow inlet (6b) without diaphragm electrolytic cell;
Described electric control system (100) comprises a touch-screen (110), a PLC control module (120) and a rectifier (130), described PLC control module (120) and touch-screen (110), rectifier (130), water softener (1), working shaft (4), salt solution transferpump (5), the conductive electrode without diaphragm electrolytic cell (6), heat exchanger (7), electrolytic solution Send out pump (8), electrolytic solution front pump are provided with control circuit between (9), and described rectifier (130) is the power supply of the conductive electrode without diaphragm electrolytic cell (6).
2. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 1, is characterized in that: the described hypochlorous acid without diaphragm electrolytic cell, connecting pipeline between clorox fluid outlet (6d) and the influx (10a) of described hypochlorous acid and clorox storage tank are disposed with a temperature sensor (11) and a magnetic valve (12); Described temperature sensor (11), between magnetic valve (12) and described PLC control module (120), be provided with control circuit.
3. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 1 and 2, it is characterized in that: described hypochlorous acid and clorox storage tank (10) are provided with a residual chlorine sensor (13) and a liquid level sensor (14), described residual chlorine sensor (13), between liquid level sensor (14) and described PLC control module (120), be provided with control circuit.
4. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 1 and 2, it is characterized in that: the described bottom without diaphragm electrolytic cell (6) is provided with a flow sensor, is provided with control circuit between described flow sensor and described PLC control module (120).
5. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 3, it is characterized in that: the described bottom without diaphragm electrolytic cell (6) is provided with a flow sensor, is provided with control circuit between described flow sensor and described PLC control module (120).
6. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 1, it is characterized in that: described is vertical tubulose without diaphragm electrolytic cell (6), described without being provided with 4-18 battery lead plate in diaphragm electrolytic cell, completely closed between the described tube wall without diaphragm electrolytic cell and each battery lead plate, describedly all adopt heat-resisting, corrosion-resistant material to make without diaphragm electrolytic cell and each battery lead plate.
7. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 6, is characterized in that: described battery lead plate is multipole type battery lead plate.
8. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 6 or 7, is characterized in that: the spacing of described each adjacent electrode plates is 3-12mm.
9. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 1, it is characterized in that: described heat exchanger (7) is pipeline type heat exchanger, described heat exchanger is provided with visual windows (7a), described heat exchanger is provided with cooling channels, and the cooling fluid in described cooling channels is water coolant, cooling oil or cooling gas.
10. the device without diaphragm type cyclic electrolysis hypochlorous acid, clorox according to claim 1, it is characterized in that: described weak brine influx (6a), cooling electrolysis liquid flow inlet (6b) are arranged at the side of the described bottom without diaphragm electrolytic cell (6), described electrolyte stream outlet (6c) is arranged at the side of the described upper end without diaphragm electrolytic cell (6), and described hypochlorous acid, clorox fluid outlet (6d) are 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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