A kind of chlorine dioxide generator of efficient electric solution
Technical field
What the present invention relates to is a kind of chlorine dioxide generator of efficient electric solution, belongs to the technical field that electrolysis produces dioxide peroxide.
Background technology
Traditional dioxide peroxide many employings chemical reaction mode is produced, and in Chinese patent publication, can inquire many producers preparing dioxide peroxide about chemical reaction.But it is huge that this chlorine dioxide generator is confined to equipment, and preparation cost is high, accumulating, production safety require high, the chlorine dioxide production of inapplicable amateur manufacturer.
Along with the development of science and technology, there is a kind of electrolysis chlorine dioxide generator that can be made into miniaturization and produce at present, the electrolyzer of the neutral barrier film composition that this chlorine dioxide generator adopts primarily of cathode compartment, anolyte compartment, negative electrode, anode and centre is core, and configuration peripheral components makes complete electrolysis chlorine dioxide generator; As disclosed one " electrolysis chlorine dioxide generator " at Chinese patent 201010156148.6, but the core component due to electrolysis chlorine dioxide generator is electrolyzer, existing cell construction limits the development of electrolysis chlorine dioxide generator, existing electrolysis chlorine dioxide generator is caused to there is structure reasonable not, equipment volume is large, electrolytic efficiency is low, device fabrication is cumbersome with installation, be difficult to make and control flexibly and easily, efficiency is high, the electrolysis chlorine dioxide generator that safety performance is good.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and a kind of compact construction is provided, rationally, electrolytic efficiency is high, and device fabrication, installation and maintenance are simple, intelligentized control method, flexible, the chlorine dioxide generator of the efficient electric solution that safety performance is good.
The object of the invention is to have come by following technical solution, it is primarily of dioxide peroxide electrolytic module, salt dissolving system, the quantitative dosing system of electrolytic salt, alkali lye circulation discharge system, power supply, the compositions such as PLC control system, described dioxide peroxide electrolytic module is placed in an airtight liquid-storing box, it mutually seals primarily of the cathode can module being built-in with negative electrode and the anode slot module that is built-in with anode and is spliced, placed separately between cathode can and anode slot have neutral pole barrier film negative electrode and anode separated, separately also sealing splicing in the outer side edges of anode slot module has dilution trap module, multiple small holes by anode slot module wall is offered between anode slot with dilution trap are connected, one forms salt dissolving system by salt box and electrolytic salt filtration unit, by the quantitative dosing system of electrolytic salt be made up of control valve and volume pump (peristaltic pump), produces electrolytic solution and connected the electrolytic solution inlet being positioned at anode slot by pipeline in salt box, the one alkali lye circulation discharge system be made up of circulating column, piping system and entering water electromagnetic valve door, the row's of being provided with alkali row's hydrogen mouth and running water inlet on circulating column wherein, being respectively arranged with up and down of circulating column is communicated with circulation fluid import in cathode can and circulation fluid outlet, wherein arrange alkali row hydrogen mouth to draw from liquid-storing box, the tap water that running water inlet passes in liquid-storing box with the water-in be communicated with in dilution trap and slave unit total water inlet communicates, or the individually outside water supply pipe of controlled connection, the another thimerosal being communicated with dioxide peroxide outlet on dilution trap that is provided with on the casing of liquid-storing box exports.
Cathode can module of the present invention is formed with cathode can by plastic plate hollow out, and described negative electrode to be placed in hollow out cathode can and to the circulation fluid import and the outlet that are outside equipped with connection; Described anode slot module is also be formed with anode slot by plastic plate hollow out, and described anode is placed in described anode slot, and anode slot is communicated with electrolytic solution inlet; Described dilution trap module is also formed with the dilution trap of dioxide peroxide by plastics slab-type apartment building sky, dilution trap is to the water-in and the chlorine dioxide disinfection liquid outlet that are outside equipped with connection; Cathode can module and anode slot module are stitched together with cathode can and the positioned opposite and sealing of anode slot; And described cathode can module, barrier film, anode slot module and dilution trap module successively from the bottom up horizontal be arranged in liquid-storing box.
Described negative electrode is made up of cathode screen and cathode guide electroplax, and described anode is made up of anode network and anode conducting plate, and described barrier film is ionic membrane; Described cathode can module is provided with and is communicated with the circulation fluid import of cathode can and outlet on the wooden partition of plastic plate, leaves the space of liquid-flow between the plastic plate wooden partition in cathode screen and cathode can; The plastic plate wooden partition of described dilution trap module offers the water-in and chlorine dioxide disinfection liquid outlet that are communicated with dilution trap; Described cathode can module, barrier film, anode slot module, dilution trap module are bolted sealing.
Cathode guide electroplax in described cathode can is welded with negative electrode conducting bolt, and negative electrode conducting bolt is connected with external power through cathode can; Anode conducting plate in described anode slot is welded with anode conducting bolt, and anode conducting plate, anode conducting bolt scribble ruthenium iridium coating layer together with anode network, and anode conducting bolt penetrates anode slot and is connected with external power positive pole with dioxide peroxide dilution trap.
The present invention produces disinfection agent of chlorine dioxide that is high-purity, high density by the method for electrolysis, compared with prior art, has following technical characterstic:
One is, each system can be relatively independent, is conducive to the maintenance of equipment, maintenance;
Two are, without cooling water, can improve the utilization ratio of tap water;
Three are, current efficiency is high; Device security is good, avoids the danger of hydrogen and dioxide peroxide blast;
Four are, expansion is good, can form large-scale producer by relatively little electrolytic module;
Five are, dioxide peroxide generation speed is fast, can now-making-now-using, reduce the decomposition of dioxide peroxide;
Six are, liquid runs at sealing system, reduce the chance that leaks;
Seven are, the alkali lye self-circulation of generation, are conducive to reducing electrolysis voltage, improve electrolytic efficiency, strengthen the stability of equipment.
The present invention has compact construction, rationally, electrolytic efficiency is high, and device fabrication, installation and maintenance are simple, intelligentized control method, flexible, the features such as safety performance is good.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Fig. 2 is dioxide peroxide electrolytic module structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, the chlorine dioxide generator of a kind of efficient electric solution of the present invention, it is primarily of dioxide peroxide electrolytic module, salt dissolving system, the quantitative dosing system of electrolytic salt, alkali lye circulation discharge system, the compositions such as PLC control system, described dioxide peroxide electrolytic module is placed in an airtight liquid-storing box 1, as shown in Figure 2, described dioxide peroxide electrolytic module is spliced with the mutual sealing of the anode slot module 5 being built-in with anode 4 primarily of the cathode can module 3 being built-in with negative electrode 2, placed separately between cathode can module 3 and anode slot module 5 have the neutral pole barrier film 6 negative electrode 2 and anode 4 separated, separately also sealing splicing in the outer side edges of anode slot module 5 has dilution trap module 7, multiple small holes 8 by anode slot module 5 wall is offered between anode slot with dilution trap are connected, one forms salt dissolving system by dissolved salt case 9 and electrolytic salt filtration unit, by the quantitative dosing system of electrolytic salt be made up of control valve and volume pump, produces electrolytic solution and connected the electrolytic solution inlet 10 being positioned at anode slot by pipeline in dissolved salt case, the one alkali lye circulation discharge system be made up of circulating column 11, piping system and entering water electromagnetic valve door, the row's of being provided with alkali row hydrogen mouth 12 and running water inlet 13 on circulating column 11 wherein, being respectively arranged with up and down of circulating column 11 is communicated with circulation fluid import 14 in cathode can and circulation fluid outlet 15, wherein arrange alkali row hydrogen mouth 12 to draw from liquid-storing box 1, the tap water that running water inlet 13 passes in liquid-storing box 1 with the water-in be communicated with in dilution trap and slave unit total water inlet 16 communicates, or the individually outside water supply pipe of controlled connection, the another thimerosal being communicated with dioxide peroxide outlet on dilution trap that is provided with on the casing of liquid-storing box 1 exports 17.
Shown in Fig. 1, described liquid-storing box 1 unites two into one with dissolved salt case 9, box body wall is provided with dissolved salt case water intaking valve 18, equipment water inflow filter 19, electrolyte filter 20, dissolved salt case wash water valve 21; Another be arranged side by side with independent electric control box 22 with liquid-storing box, it have current-voltage regulator 23, PLC 24 and startup and stop button 25.
The present invention is also provided with equipment total water inlet 16 on box base, row's alkali sewage draining exit 12 and leak detection mouth 26.
Electric control box and liquid-storing box can unite two into one by other embodiments of the invention.
Shown in Fig. 2, described cathode can module 3 is formed with cathode can 28 by plastic plate hollow out, and described negative electrode 2 to be placed in hollow out cathode can 28 and to the circulation fluid import 14 and the outlet 15 that are outside equipped with connection; Described anode slot module 5 is also be formed with anode slot 29 by plastic plate hollow out, and described anode 4 is placed in described anode slot 29, and anode slot 29 is communicated with electrolytic solution inlet 10; Described dilution trap module 7 is also formed with the dilution trap 30 of dioxide peroxide by plastics slab-type apartment building sky, dilution trap 30 is to the water-in 31 and the chlorine dioxide disinfection liquid outlet 17 that are outside equipped with connection; Cathode can module 3 and anode slot module 5 are stitched together with cathode can 28 and the positioned opposite and sealing of anode slot 29; And described cathode can module 3, barrier film 6, anode slot module 5 and dilution trap module 7 successively from the bottom up horizontal be arranged in liquid-storing box 1.
Negative electrode 2 of the present invention is made up of cathode screen and cathode guide electroplax, and described anode 4 is made up of anode network and anode conducting plate, and described barrier film 6 is ionic membrane; Described cathode can module 3 is provided with the circulation fluid import 14 and outlet 15 that are communicated with cathode can 28 on the wooden partition of plastic plate, the space 32 of liquid-flow is left between plastic plate wooden partition in cathode screen and cathode can 28, this space 32, for the flowing of alkali lye and hydrogen, is easy to the circulation of alkali lye and the discharge of hydrogen;
The plastic plate wooden partition of described dilution trap module 7 offers the water-in 31 and chlorine dioxide disinfection liquid outlet 17 that are communicated with dilution trap 30; Described cathode can module 3, barrier film 6, anode slot module 5, dilution trap module 7 are bolted the dioxide peroxide electrolytic module described in sealing composition.
Shown in Fig. 2, the cathode guide electroplax in described cathode can 28 is welded with negative electrode conducting bolt 33, negative electrode conducting bolt 33 is connected with external power through cathode can module 3; Anode conducting plate in described anode slot 29 is welded with anode conducting bolt 34, anode conducting plate, anode conducting bolt 34 scribble ruthenium iridium coating layer together with anode network, and anode conducting bolt 34 penetrates anode slot module 5 and is connected with external power positive pole with dioxide peroxide dilution trap 7.
Power supply is used for alternating-current to be transformed into low-voltage DC, provides the energy to electrolyzer;
PLC control system controls the action and failure testing etc. of each action component.
Working process of the present invention is:
After device power-up, by the automatic top-off cycle post of the control of PLC, electrolysed saline solution obtained injects anode electrolytic cell by volume pump from the electrolytic solution inlet of module, as the raw material of electrolysis, dilution tap water enters electrolyzer by the water-in of electrolyzer, and the electrolytic solution of negative electrode injects negative electrode by the pipe connecting of circulating column;
After energising, anode produces dioxide peroxide, and because the concentration height of dioxide peroxide is again gas, electrolysis produces temperature again, and dioxide peroxide spreads to dilution trap, is diluted by tap water, forms thimerosal, flows out from dioxide peroxide outlet;
Negative electrode is due to electrolysis, produce hydrogen and sodium hydroxide, due to the expansion of hydrogen and the effect of gravity, liquid circulation in circulating column is got up, hydrogen is discharged from row's alkali row hydrogen mouth, when after circulation certain hour, inject tap water dilution circulating column paper mill wastewater toward circulating column, form continuable electrolysis system; Dioxide peroxide can be produced by continuous print, form producer.