CN114438520A - High-efficient durable type sodium hypochlorite electrolytic device - Google Patents
High-efficient durable type sodium hypochlorite electrolytic device Download PDFInfo
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- CN114438520A CN114438520A CN202210190488.3A CN202210190488A CN114438520A CN 114438520 A CN114438520 A CN 114438520A CN 202210190488 A CN202210190488 A CN 202210190488A CN 114438520 A CN114438520 A CN 114438520A
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- sodium hypochlorite
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- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000005708 Sodium hypochlorite Substances 0.000 title claims abstract description 45
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 207
- 239000007788 liquid Substances 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000005554 pickling Methods 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims description 46
- 230000005611 electricity Effects 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- 239000000460 chlorine Substances 0.000 description 32
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 29
- 229910052801 chlorine Inorganic materials 0.000 description 27
- 238000006243 chemical reaction Methods 0.000 description 20
- 239000007789 gas Substances 0.000 description 17
- 239000012267 brine Substances 0.000 description 12
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 12
- 239000001257 hydrogen Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 238000004659 sterilization and disinfection Methods 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- -1 hydroxyl ions Chemical class 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 235000015598 salt intake Nutrition 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 229910001902 chlorine oxide Inorganic materials 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- MXXWOMGUGJBKIW-YPCIICBESA-N piperine Chemical compound C=1C=C2OCOC2=CC=1/C=C/C=C/C(=O)N1CCCCC1 MXXWOMGUGJBKIW-YPCIICBESA-N 0.000 description 2
- 229940075559 piperine Drugs 0.000 description 2
- 235000019100 piperine Nutrition 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Images
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
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
-
- 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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
-
- 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
- C25B15/023—Measuring, analysing or testing during electrolytic production
- C25B15/025—Measuring, analysing or testing during electrolytic production of electrolyte parameters
- C25B15/029—Concentration
-
- 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
- C25B15/023—Measuring, analysing or testing during electrolytic production
- C25B15/025—Measuring, analysing or testing during electrolytic production of electrolyte parameters
- C25B15/029—Concentration
- C25B15/031—Concentration pH
-
- 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
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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)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention discloses a high-efficiency durable sodium hypochlorite electrolysis device. The device includes electrolysis trough shell pipe, advance the electric component, electrolysis electrode core assembly and air guide water conservancy diversion circular baffle subassembly, the both ends of electrolysis trough shell pipe are connected with into the electric component, electrolysis electrode core assembly establishes in electrolysis trough shell pipe, and its both ends are connected with advancing the electric component respectively, the outside cover of electrolysis electrode core assembly is equipped with air guide water conservancy diversion circular baffle subassembly, the electrolysis inlet has been seted up to the one end of electrolysis trough shell pipe, the pickling inlet has been seted up to one side relative with the electrolysis inlet in electrolysis trough shell pipe, the electrolysis liquid outlet has been seted up to the other end of electrolysis trough shell pipe, the pickling liquid outlet has been seted up to one side relative with the electrolysis liquid outlet in electrolysis trough shell pipe. The invention can realize the optimal current density setting by optimizing the electrolytic bath space and the distribution of the electrode plates and optimizing the air guide and flow guide arrangement, can improve the output of the electrolytic sodium hypochlorite and the product concentration compared with the traditional device, reduces the power consumption of salt and prolongs the service life of the electrode plates.
Description
Technical Field
The invention relates to the technical field of electrolytic devices, in particular to a high-efficiency durable sodium hypochlorite electrolytic device.
Background
Sodium hypochlorite is one of the substitutes of chlorine, and is a powerful sterilization and virus killing agent which is really efficient, broad-spectrum and safe. Research shows that the maintenance time of the effective chlorine content of the sodium hypochlorite is superior to that of chlorine, the sodium hypochlorite has better inhibiting effect on microbial spore excystation which is difficult to completely kill, and the sodium hypochlorite is very suitable for safe disinfection of places such as water plants, booster pump stations, sewage treatment plants, hospitals and the like, and operations such as sterilization and algae removal of circulating cooling water of power plants.
Heretofore, the sodium hypochlorite for disinfection is often produced by chemical plants, the industrial product sodium hypochlorite solution of high concentration has certain danger, and the sodium hypochlorite aqueous solution of which the state regulation concentration exceeds 5% belongs to dangerous goods, is easy to explode, and the transportation process is controlled by the state. In addition, sodium hypochlorite is a common byproduct in the chlor-alkali industry, and because chlorine and sodium hydroxide are used as raw materials for production, the product often contains excessive sodium hydroxide and chloride impurities, so that secondary pollution is easily caused. The high-concentration sodium hypochlorite solution is strong alkaline, is easy to cause scaling of an adding hole groove in hard water, needs to be diluted before adding, and is still inconvenient to use.
The technology for preparing the sodium hypochlorite on site for disinfection is a mode with disinfection effect and efficiency, the low-concentration sodium hypochlorite is prepared on the site needing disinfection by a method of electrolyzing the salt water and is added in a liquid state with low concentration, the adding amount and the adding time can be accurately controlled, and the continuous disinfection capability of a water body needing disinfection is maintained.
The common sodium hypochlorite generator electrolytic cell in the current market adopts a plate electrode group to assemble a cuboid shape and place the cuboid shape in a circular tube type electrolytic cell. In the arrangement, because the shapes of the plate electrode group and the circular tube of the electrolytic cell are different, the peripheral space of the electrode group in the electrolytic cell cannot be flexibly and effectively utilized, the output of sodium hypochlorite and the product concentration are often required to be ensured by improving the operating current density of the electrode group, and the service life loss of the electrode group is easily caused by overhigh operating current density; meanwhile, the arrangement of the plate electrode group is not beneficial to optimizing the air guide and flow guide performance to the greatest extent, so that the contact time between chlorine generated by electrolysis and reaction liquid is not enough, a part of chlorine escapes out of the device, and the yield and the product concentration of qualified sodium hypochlorite are not beneficial to promotion or maintenance.
In addition, the electrolytic cell of the sodium hypochlorite electrolytic device is a key component, and the outer shell tube of the sodium hypochlorite electrolytic device is usually made of UPVC. In the working process of the electrolytic cell, because the temperature of the electrolytic cell can reach more than 40 ℃ when diluted saline solution is subjected to huge resistance electrolysis, the electrolytic cell still has tiny deformation and yellowing under the soaking of hot water along with the fluctuation of the operation state, which marks that the PVC material starts irreversible deformation and degradation, and the potential danger of safe operation of equipment is formed all the time. In the actual operation process, the sodium hypochlorite electrolytic system can accidentally fail in temperature control, if the cold water system stops supplying cold water, the failures can cause the temperature of the electrolytic device to rise instantaneously and even exceed the working limit of the UPVC material, and finally accidents such as deformation of an outer shell pipe of the electrolytic cell, water leakage of an end of the shell pipe, even breakage and the like are often caused. In addition, in the using process, calcium, magnesium, aluminum and other ions in water cannot be thoroughly removed by the water softening device, so that scaling can be gradually formed in alkaline mixed liquid in the electrolytic process, and on one hand, scaling is easy to occur on the inner wall of the shell of the electrolytic cell made of the UPVC material adopted at present; on the other hand, the electrode is easy to form scale, and the hydrochloric acid is needed to perform acid washing and descaling on the electrode when the scale is formed to a certain degree. In conclusion, in such repeated operation, higher performance requirements are imposed on the material of the electrolytic cell casing.
Disclosure of Invention
The invention aims to provide a high-efficiency durable sodium hypochlorite electrolysis device. According to the electrolytic device, the optimal current density can be set by optimizing the space of the electrolytic cell and the distribution of the electrode plates, and the air guide and flow guide arrangement is optimized, so that the electrolytic sodium hypochlorite yield and the product concentration can be improved compared with the traditional device, the salt consumption and the power consumption are reduced, and the service life of the electrode plates is prolonged, and the technical scheme adopted by the invention is as follows:
according to one aspect of the invention, the device comprises an electrolytic cell shell tube, an electricity inlet component, an electrolytic electrode core assembly and an air guide and flow guide circular baffle component, wherein two ends of the electrolytic cell shell tube are connected with the electricity inlet component through loose joint type end sockets, the electrolytic electrode core assembly is arranged in the electrolytic cell shell tube, two ends of the electrolytic electrode core assembly are respectively connected with the electricity inlet component, the air guide and flow guide circular baffle component is sleeved on the outer side of the electrolytic electrode core assembly, one end of the electrolytic cell shell tube is provided with an electrolytic liquid inlet, one side of the electrolytic cell shell tube, which is opposite to the electrolytic liquid inlet, is provided with a pickling liquid inlet, the other end of the electrolytic cell shell tube is provided with an electrolytic liquid outlet, and one side of the electrolytic cell shell tube, which is opposite to the electrolytic liquid outlet, is provided with a pickling liquid outlet.
Preferably, the electricity feeding assembly comprises an electrode column and an electricity feeding guide plate, one end of the electrode column is connected with the electricity feeding guide plate, and the electricity feeding guide plate is positioned in the electrolytic cell shell pipe.
Preferably, the electrolysis electrode core assembly comprises an electrolysis electrode pipe section I and an electrolysis electrode pipe section II, the electrolysis electrode pipe section I is divided into two parts, the two electrolysis electrode pipe sections I are respectively positioned at two ends of the electrolytic cell shell pipe and are respectively connected with the power feeding guide plate, the electrolysis electrode pipe section II is arranged between the two electrode pipe sections I, and the electrolysis electrode pipe section II and the electrolysis electrode pipe section I are connected through a supporting fastening component.
Preferably, electrolysis electrode pipe section one includes negative and positive pole electrolysis electrode pipe, compound electrolysis electrode pipe one and the solid pipe of negative and positive pole electrolysis electrode, negative and positive pole electrolysis electrode pipe and compound electrolysis electrode pipe one establish to a plurality ofly, a plurality of negative and positive pole electrolysis electrode pipe and compound electrolysis electrode pipe one are established in proper order by outer cover in to the outside of the solid pipe of negative and positive electrolysis electrode.
Preferably, the second electrolysis electrode pipe section comprises a plurality of second composite electrolysis electrode pipes and a plurality of solid composite electrolysis electrode pipes, and the two composite electrolysis electrode pipes are sleeved on the outer side of the solid composite electrolysis electrode pipes at intervals.
Preferably, the supporting and fastening assembly comprises a supporting and fastening plate and a supporting and fastening plate fixing bolt, a bolt hole I is formed in the supporting and fastening plate, a bolt hole II is correspondingly formed in the electrolysis electrode pipe section I and the electrolysis electrode pipe section II, and the supporting and fastening plate fixing bolt penetrates through the bolt hole I and the bolt hole II to respectively connect and fix the supporting and fastening plate with the electrolysis electrode pipe section I and the electrolysis electrode pipe section II.
Preferably, the circular baffle plate assembly of air guide water conservancy diversion includes two semicircle annular plates, two the semicircle annular plate sets up relatively and its tip passes through the gasket and connects, and the middle part of every semicircle annular plate has seted up the air guide water conservancy diversion hole along the axis direction.
Preferably, the device still includes the response subassembly, the response subassembly includes acidimeter monitor, temperature-sensing ware, conductivity appearance and liquid level inductor, the acidimeter monitor is established to two, and two acidimeter monitors are established respectively on pickling inlet and the pickling liquid outlet, the temperature-sensing ware is established to two, and two temperature-sensing ware are established respectively on electrolysis inlet and the electrolysis liquid outlet, the conductivity appearance is established on the electrolysis inlet, and sets up relatively with the temperature-sensing ware, the liquid level inductor is established on the electrolysis liquid outlet, and sets up relatively with the temperature-sensing ware.
Preferably, a movable joint type end socket main body center hole is formed in the movable joint type end socket, internal threads are arranged on the inner side of the movable joint type end socket, external threads are arranged at the end part of the electrolytic cell shell pipe, and the movable joint type end socket is in threaded connection with the electrolytic cell shell pipe.
Preferably, the electrolytic cell shell pipe is made of a polyurethane TPU material.
The technical scheme adopted by the invention has the following remarkable effects:
(1) the circular cathode and anode electrolytic electrode tubes and the composite electrolytic electrode tubes are mutually parallel, oppositely and alternately arranged in the shell tube of the electrolytic cell in a staggered mode, the electrolytic electrode tubes are provided with the air guide and flow guide holes, chlorine generated by reaction is fully subjected to semi-circulation circulating reaction in the cathode and anode electrolytic electrode tubes and the composite cathode and anode electrolytic electrode tubes, the contact time of the chlorine and reaction liquid is prolonged, meanwhile, dilute brine is allowed to stay for more time, electrolysis is enabled to be more full, the utilization rate of the chlorine is improved, the effective chlorine concentration of a product is improved, and meanwhile, the salt consumption and the electricity consumption are further reduced.
(2) Compared with a traditional UPVC material, the polyurethane TPU is selected as the material of the shell pipe of the electrolytic cell, so that the electrolytic cell can effectively obtain better performances of high pressure resistance, temperature fluctuation resistance, corrosion resistance, scaling resistance and impact, falling and damage resistance, the continuous and stable operation of the electrolytic device under the condition of fluctuation of the operation condition is ensured, and the service life of the shell of the electrolytic cell can be greatly prolonged.
(3) The circular gas guide and flow guide partition plate assembly is provided with gas guide and flow guide holes at the upper part and the lower part, so that gas-water mixed liquid above and below the circular gas guide and flow guide circular partition plate assembly is guided, liquid below the circular gas guide and flow guide circular partition plate assembly is easier to discharge under the condition of emptying, and meanwhile, gas such as chlorine gas and the like can enter the next electrolytic reaction chamber more smoothly, so that the gas-liquid mixture in an electrolytic cell can react more fully.
(5) The invention adopts a loose joint sealing mode to seal the electrolyte in the shell pipe of the electrolytic cell, and the maintenance is convenient and quick.
(6) The electrolytic device is provided with the sensing assembly for monitoring the temperature and conductivity change condition, so that the temperature of the electrolytic device and the concentration of dilute brine can be more conveniently controlled, and the salt consumption can be more conveniently controlled.
(7) The electrolytic device is provided with the acidity monitor to monitor the acidity change condition, so that the pickling work control of scaling of an electrolytic electrode tube of the electrolytic device is facilitated, and the pickling efficiency is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the present invention;
FIG. 3 is a cut-away view of an electrolytic electrode core assembly of the present invention.
FIG. 4 is a tangential view of an electrolytic electrode core assembly of the present invention.
Fig. 5 is a front view of the articulating closure of the present invention.
1-a second composite electrolytic electrode tube; 2-a first composite electrolytic electrode tube; 3-cathode and anode electrolysis electrode tubes; 4-an electrolyzer housing tube; 5-a composite electrolytic electrode solid tube; 6-the upper part of the composite electrolytic electrode tube; 7-electrolytic electrode pipe air guide flow guide groove; 8-anode electrolysis electrode tube; 9-supporting the fastening plate fixing bolt; 10-supporting a fastening plate; 11-external thread; 12-an electrode column; 13-feeding the electric guide plate; 14-loose joint type end socket; 15-a central hole of the loose joint type end socket main body; 16-an electrolysis electrode tube gas guide flow guide groove A; 17-electrolytic electrode pipe air guide diversion trench B; 18-electrolytic electrode pipe gas guide flow guide groove C; 19-upper air guide and flow guide holes; 20-lower air guide and flow guide holes; 21-a semicircular annular plate; 22-pickling liquid inlet; 23-an electrolytic liquid inlet; 24-an electrolysis liquid outlet; 25-acid wash outlet; 26-acidimeter monitor; 27-a temperature sensor; 28-a conductivity meter; 29-temperature sensor; 30-acidimeter monitor; 31-cathode electrolysis electrode tube; 32-liquid level sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in figures 1-5, the high-efficiency durable sodium hypochlorite electrolytic device comprises an electrolytic cell shell pipe 4, an electricity inlet assembly, an electrolytic electrode core assembly and an air guide flow guide circular baffle plate assembly, wherein the electrolytic cell shell pipe 4 is made of polyurethane TPU, and the superhard polyether TPU is selected as a new electrolytic cell shell pipe material, so that better high pressure resistance, temperature fluctuation resistance, corrosion resistance, scaling resistance and impact falling damage resistance can be obtained, the continuous and stable operation of the device is ensured, and the service life of the electrolytic cell shell pipe 4 is prolonged. Two ends of the electrolytic bath shell pipe 4 are connected with an electricity inlet component through a loose joint type end socket 14. The loose joint type end socket 14 is provided with a loose joint type end socket main body center hole 15, the inner side of the loose joint type end socket 14 is provided with internal threads, the end part of the electrolytic bath shell pipe 4 is provided with external threads 11, and the loose joint type end socket 14 is in threaded connection with the electrolytic bath shell pipe 4. The electricity feeding assembly comprises an electrode column 12 and an electricity feeding guide plate 13, one end of the electrode column 12 is connected with the electricity feeding guide plate 13, and the electricity feeding guide plate 13 is positioned in the electrolytic bath shell pipe 4. The loose joint type end sockets 14 are positioned at two ends of the electrolytic cell shell pipe 4 and are used for sealing liquid and gas in the electrolytic cell shell pipe. The loose joint type end socket 14 is provided with a loose joint type end socket main body central hole 15, and the aperture of the loose joint type end socket main body central hole 15 is the same as the diameter of the electrode column 12. Elastic gaskets are arranged on the electrode column 12 and in front of the convex engaging threads at the two ends of the electrolytic bath shell pipe 4, and the screwing movable joint type seal head 14 can seal liquid and gas in the electrolytic bath shell pipe 4. When maintenance is needed, the cable is loosened, and the maintenance is extremely convenient and quick.
The electrolysis electrode core assembly is arranged in the electrolytic bath shell pipe 4, two ends of the electrolysis electrode core assembly are respectively connected with the electric feeding guide plate 13, the electrolysis electrode core assembly comprises an electrolysis electrode pipe section I and an electrolysis electrode pipe section II, the electrolysis electrode pipe sections I are arranged in two numbers, the two electrolysis electrode pipe sections I are respectively positioned at two ends of the electrolytic bath shell pipe 4 and are respectively connected with the electric feeding guide plate 13, the electrolysis electrode pipe section II is arranged between the two electrode pipe sections I, and the electrolysis electrode pipe section II and the electrolysis electrode pipe section I are connected through a supporting fastening component. The first electrolysis electrode pipe section comprises a cathode and anode electrolysis electrode pipe 3, a first composite electrolysis electrode pipe 2 and a solid cathode and anode electrolysis electrode pipe, the cathode and anode electrolysis electrode pipe 3 and the first composite electrolysis electrode pipe 2 are arranged in a plurality of numbers, and the plurality of cathode and anode electrolysis electrode pipes 3 and the first composite electrolysis electrode pipe 2 are sequentially sleeved outside the solid cathode and anode electrolysis electrode pipe from outside to inside. The second electrolytic electrode pipe section comprises a plurality of second composite electrolytic electrode pipes 1 and a plurality of solid composite electrolytic electrode pipes 5, and the plurality of second composite electrolytic electrode pipes 1 are sleeved on the outer side of the solid composite electrolytic electrode pipes 5 at intervals. Setting the cathode and anode electrolysis electrode tube 3 connected with the anode current inlet guide plate 13 as an anode electrolysis electrode tube, setting the cathode and anode electrolysis electrode tube 3 connected with the cathode current inlet guide plate 13 as a cathode electrolysis electrode tube, wherein the inner wall and the outer wall of the anode electrolysis electrode tube are iridium coatings, and the anode electrolysis electrode tube is made of titanium alloy; the inner wall and the outer wall of the cathode electrolysis electrode tube are titanium coatings, and the cathode electrolysis electrode tube is made of titanium alloy.
The supporting and fastening assembly comprises a supporting and fastening plate 10 and a supporting and fastening plate fixing bolt 9, a bolt hole I is formed in the supporting and fastening plate 10, a bolt hole II is correspondingly formed in the electrolysis electrode pipe section I and the electrolysis electrode pipe section II, and the supporting and fastening plate fixing bolt 9 penetrates through the bolt hole I and the bolt hole II to respectively connect and fix the supporting and fastening plate 10 with the electrolysis electrode pipe section I and the electrolysis electrode pipe section II. The size of the bolt hole is 50% of the diameter of the most central electrolysis electrode tube, 2 bolt holes II are oppositely arranged on the cathode and anode electrolysis electrode tube 3 and the composite electrolysis electrode tube I2, 2 groups of bolt holes II are oppositely arranged on the composite electrolysis electrode tube II 1, and each group is provided with two bolt holes II which are oppositely arranged. The bolt hole II is used for fixing each electrolysis electrode tube by placing a supporting and fastening bolt 9, a round cushion block is placed in the gap between each two adjacent electrolysis electrode tubes on the supporting and fastening bolt 9 so as to adjust and keep the same distance between each two adjacent electrolysis electrode tubes, the measuring cylinder of the supporting and fastening bolt 9 is fixed by using a plastic nut, each part on the supporting and fastening bolt 9 is made of plastic or PVC or other non-conductive materials, and two ends of the supporting and fastening bolt 9 are fixed by using nuts after penetrating through a supporting and fastening plate.
The cathode and anode electrolytic electrode tube 3, the composite electrolytic electrode tube I2 and the composite electrolytic electrode tube II 1 are all hollow tubes, the thickness of the tube wall is 0.8mm, and the length of the composite electrolytic electrode tube I2 and the length of the composite electrolytic electrode tube II 1 are 2 times of the length of the cathode and anode electrolytic electrode tube 3. According to the difference of the output of the sodium hypochlorite electrolytic device, the number of the cathode and anode electrolytic electrode tubes 3 is different, but the number is odd; the number of the first composite electrolysis electrode tubes 2 and the second composite electrolysis electrode tubes 1 is odd, the number of the first composite electrolysis electrode tubes 2 and the second composite electrolysis electrode tubes 1 increases along with the increase of the output of the electrolysis device, the number of the first composite electrolysis electrode tubes 2 and the second composite electrolysis electrode tubes 1 can be increased in the tube length direction, and the distance from the first composite electrolysis electrode tubes 2 to the electricity feeding guide plate 13 is 10 mm. The distance between the inner wall and the outer wall of each adjacent electrolysis electrode tube with different tube diameters is 3mm, and the distance between the cathode anode electrolysis electrode tube 3 and the composite electrolysis electrode tube two 1 in the length direction is 10 mm. The cathode and anode electrolysis electrode tubes 3 with different tube diameters are respectively concentrically welded on the electric feed guide plate 13, the center of the electrode tube is a cathode and anode electrolysis electrode solid tube, the two ends of the cathode and anode electrolysis electrode tubes are parallel and opposite, and the cathode and anode electrolysis electrode tubes 3 with different tube diameters and the tube center of the composite electrolysis electrode tube are arranged on the same straight line. The pipe diameters of the cathode and anode electrolytic electrode pipes and the composite electrolytic electrode pipe which are mutually contained and adjacent are different by 4 mm.
A group of electrolysis electrode pipe air guide guiding grooves A, a group of electrolysis electrode pipe air guide guiding grooves B and a group of electrolysis electrode pipe air guide guiding grooves C are arranged on the cathode and anode electrolysis electrode pipe at certain intervals, each group comprises two electrolysis electrode pipe air guide guiding grooves which are oppositely arranged and correspond, the length of each electrolysis electrode pipe air guide guiding groove is smaller than 20mm of the cathode and anode electrolysis electrode pipe, the electrolysis electrode pipes are placed in the middle in the length direction of the cathode and anode electrolysis electrode pipe, 6 electrolysis electrode pipe air guide guiding grooves are oppositely arranged on the same cathode and anode electrolysis electrode pipe of the electrolysis device according to different yields, and the width of each electrolysis electrode pipe air guide guiding groove is 8 mm. The gas guide and flow guide groove is not arranged on the most central pipe of the cathode and anode electrolysis electrode pipe, and the cathode and anode electrolysis electrode pipe 3 is provided with the gas guide and flow guide groove along the central point of each polar pipe towards the lower half polar pipe. The first compound electrolysis electrode tube 2 and the second compound electrolysis electrode tube 1 are provided with two groups of electrolysis electrode tube air guide and flow guide grooves A, two groups of electrolysis electrode tube air guide and flow guide grooves B and two groups of electrolysis electrode tube air guide and flow guide grooves C, and each group comprises two corresponding electrolysis electrode tube air guide and flow guide grooves which are oppositely arranged.
The circular baffle subassembly of air guide water conservancy diversion is overlapped in the outside of electrolysis electrode core assembly, and the circular baffle subassembly of air guide water conservancy diversion includes two semicircular ring shape boards 21, and two semicircular ring shape boards 21 set up relatively and its tip passes through the gasket to be connected, and the air guide water conservancy diversion hole has been seted up along the axis direction in the middle part of every semicircular ring shape board 21, and the air guide water conservancy diversion hole that is located the top is last air guide water conservancy diversion hole 19, and the air guide water conservancy diversion hole that is located the below is air guide water conservancy diversion hole 20 down. The semicircular annular plates 21 are two semicircular rings, circular or square air guide holes with the area of 2cm are arranged at the top center and the bottom center2The excircle diameter of the semicircular annular plate 21 is smaller than that of the outer shell pipe 1 of the electrolytic cell and is 1mm, the inner circle diameter is larger than the diameter 1mm of the outermost negative and positive electrolytic electrode pipe 3, the first composite electrolytic electrode pipe 2 and the second composite electrolytic electrode pipe 1, a notch is formed in the supporting and fastening plate 10 through the semicircular annular plate 21, the semicircular annular plate 21 is made to just pass through the notch, the thickness of the semicircular annular plate 21 is 4mm, the semicircular plate is divided into 2 semi-rings along the center of the equator of the semicircular plate, and the 2 semi-rings are fixedly connected through a double-hole gasket and a bolt nut. The outermost edge of the air guide flow guide circular clapboard is provided with a middle groove, an O-shaped elastic gasket is placed in the middle groove, and the elastic gasket protrudes 1mm out of the outermost edge of the air guide flow guide circular clapboard after being placed in the middle groove.
An electrolysis inlet 23 is arranged at one end of the electrolytic bath shell pipe 4, a pickling inlet 22 is arranged at one side of the electrolytic bath shell pipe 4 opposite to the electrolysis inlet 23, an electrolysis outlet 24 is arranged at the other end of the electrolytic bath shell pipe 4, and a pickling outlet 25 is arranged at one side of the electrolytic bath shell pipe 4 opposite to the electrolysis outlet 24. The device still includes sensing assembly, sensing assembly includes acidimeter monitor 26, temperature-sensing ware 27, conductivity meter 28 and liquid level inductor 32, acidimeter monitor 26 is established to two, two acidimeter monitors 26 are established respectively on pickling inlet 22 and pickling liquid outlet 25, temperature-sensing ware 27 is established to two, two temperature-sensing ware 27 are established respectively on electrolysis inlet 23 and electrolysis liquid outlet 24, conductivity meter 28 is established on electrolysis inlet 23, and set up with temperature-sensing ware 27 relatively, liquid level inductor 32 is established on electrolysis liquid outlet 24, and set up with temperature-sensing ware 27 relatively. When the electrolyte enters the liquid, the temperature sensor 27 and the conductivity meter 28 start to work, detect the temperature value and the conductivity value of the liquid inlet, and display and simultaneously transmit data signals to the control system. When the electrolytic solution outlet 24 begins to discharge, the temperature sensor 27 works and displays and simultaneously transmits a signal to the control system. When the system of the invention needs pickling maintenance, the pickling liquor acidity monitor on the left end of the electrolytic bath shell pipe 4 and the acidity monitor under the right end of the electrolytic bath shell pipe 4 start to work and simultaneously transmit data signals to the control system. The control system analyzes and judges the system running state according to the input monitoring data so as to send out a corresponding control instruction.
When the electrolytic dilute brine enters from the lower electrolytic liquid inlet 23 at the left end of the electrolytic tank shell pipe 4 to the upper electrolytic liquid outlet 24 at the right end of the electrolytic tank shell pipe 4 to discharge liquid, the liquid level sensor 32 starts to monitor that the electrolyte flows out, and then the cathode and anode binding posts connected with the direct current power supply start to load the preset direct current to start electrolyzing the dilute brine and the aqueous electrolyte in the electrolytic tank shell pipe 4. Water after electrification (H)2O) discharges on the inner and outer surfaces of cathode electrolytic electrode tube 31 and composite electrolytic electrode tube I2 to generate hydrogen (H)2) At the same time, sodium ions (Na) are formed in the dilute brine+) The hydroxyl ions (OH) generated after water electrolysis on the inner surface and the outer surface of the cathode electrolytic electrode tube 31 and the composite electrolytic electrode tube I2-) Binding forms sodium hydroxide (NaOH). Chloride ions (Cl) in dilute saline water on the inner and outer surfaces of the anode electrolysis electrode tube and the composite electrolysis electrode tube I2-) Loss of electrons to produce chlorine (Cl)2) The electrolytic reaction equations of the inner surface and the outer surface of the cathode-anode electrolytic electrode tube 3 and the composite electrolytic electrode tube I2 are as follows:
an anode electrolysis electrode tube and a composite electrolysis electrode tube I: 2Cl--2e→Cl2↑
The cathode electrolysis electrode tube and the composite electrolysis electrode tube I: 2H++2e→H2↑
Chlorine (Cl) then formed2) The hydroxyl ions (OH) generated after water electrolysis on the inner surface and the outer surface of the cathode electrolysis electrode tube and the composite electrolysis electrode tube-) The sodium hypochlorite is formed by combining the sodium hydroxide (NaOH) formed, and the reaction equation is as follows:
Cl2+2NaOH→NaCl+NaClO+H2O
the overall reaction is as follows:
NaCl+H2o + DC → NaClO + H2↑
Chlorine and hydrogen that the electrolysis produced can receive buoyancy to rise at electrolysis electrode pipe diameter direction, and the peripheral liquid flow can be driven to the in-process that rises to the first section hydrogen of outside electrolysis electrode pipe and chlorine, forms the gas-liquid mixture upwelling outside the electrolysis electrode pipe, and chlorine can generate sodium hypochlorite solution with the intraductal sodium hydroxide (NaOH) of electrolysis trough shell simultaneously. In the gaps of other electrolysis electrode tubes inside the outermost electrolysis electrode tube, chlorine and sodium hydroxide (NaOH) in the electrolysis electrode tubes generate sodium hypochlorite solution, most of chlorine participates in reaction, and hydrogen does not participate in reaction; chlorine and hydrogen rise in the annular reaction zone inside the electrolysis electrode tube, and escape to the upper part outside the electrolysis electrode tube from the outlet of the cell when rising to the gas guide and flow guide groove 7 of the electrolysis electrode tube, and inside the shell tube 4 of the electrolysis cell. The gas at the upper half section of the electrolytic electrode tube rises along the inside of the electrolytic electrode tube, the rising gas guides the peripheral liquid to flow, so that the liquid can immediately fill the gas position, the liquid at the lower half section of the electrolytic electrode tube can be carried on the upper half section of the electrolytic electrode tube, and the chlorine generated by the electrolysis at the lower half section of the electrolytic electrode tube continues to participate in the reaction in the annular reaction zone of the electrolytic electrode tube. At the moment, the lower half section of the outermost side of the electrolytic electrode tube can generate downward flow due to the rising of the lower section of liquid, and the downward flow enters the inside of the electrolytic electrode tube from the middle lower side of the electrolytic electrode tube to participate in electrolytic reaction, so that a semicircular circulation reaction area with the quantity 2 times that of the electrolytic electrode tube is formed on a longitudinal section in the tube diameter direction. Because the semicircular circulation reaction area in the electrolytic electrode tube is relatively closed, and the reaction path is relatively long, the chlorine participating in the reaction has more retention time, the chlorine amount generated by electrolysis is higher, the concentration of sodium hypochlorite is also higher, and the amount of dilute brine participating in the reaction is also more, so that the yield and the concentration of sodium hypochlorite are improved, and on the other hand, the strong brine with lower concentration can be used for electrolysis, thereby achieving the purpose of reducing the salt consumption.
Chlorine and hydrogen generated by electrolysis rise in the length direction of the electrolysis electrode tube, so that liquid can be immediately filled with gas, peripheral liquid flow is guided, sodium hydroxide solution flowing backwards in the length direction of the tube flows in the original gas moving direction to react with newly generated chlorine to generate sodium hypochlorite, and finally sodium hypochlorite liquid flow is formed in the length direction of the tube.
The rising hydrogen and the unreacted few parts of chlorine are gathered at the top of the outer wall of the outermost electrolytic electrode tube and finally enter the next electrolytic reaction area through the round hole on the upper side of the semicircular annular plate, so that the residual chlorine further participates in the reaction, and the unreacted hydrogen is continuously discharged through the round hole on the upper side of the semicircular annular plate of the next reaction area and finally escapes through an electrolytic liquid outlet. The round hole below the semicircular annular plate is used for emptying the bottom substances with higher density at the bottom of the electrolytic tank, and meanwhile, the bottom substances can also be used for overflowing dilute saline solution, chlorine and hydrogen.
The high-efficiency durable sodium hypochlorite electrolytic device provided by the invention electrolyzes dilute brine by adopting an electrolytic tube mode, the flow rate of the inlet soft brine is 250L/h, the inlet 26.4% concentrated brine is 50L/h, the inlet liquid is fed to a temperature sensor at the inlet of an electrolytic cell shell tube, a conductivity meter transmits the monitoring value to a control system, when electrolyte is discharged to the outlet of the electrolytic cell shell tube 4, a monitoring signal is transmitted to the control system by a liquid outlet temperature sensor 27 and a liquid level sensor 32, and meanwhile, the preparation system starts to load 300A direct current on a cathode-anode electrode inlet pole to start electrolyzing the dilute brine in the electrolytic cell shell tube. Chlorine generated by electrolysis and sodium hydroxide generated by electrolysis fully react on a semi-circulation flow in an electrolysis electrode tube, and the concentration of sodium hypochlorite generated by electrolysis is 8-9 g/L. When the long-term electrolysis of electrolysis electrode pipe produces the scale deposit phenomenon, adopt the pickling mode to carry out the pickling to electrolysis electrode pipe, stop preparation system pharmacy this moment, the acidity monitor work of pickling inlet and pickling liquid outlet, pickling inlet pH 2 ~ 3 transmission signal to control system, control system control pickling operating conditions until accomplishing the pickling work.
The traditional electrolytic cell has rectangular plate-shaped electrode plates, the electrode plate group is in a cuboid shape, and the plate-shaped electrode group and the circular tube of the electrolytic cell have certain difference, so that the space of the shell of the circular tube type electrolytic cell is difficult to reasonably utilize. The invention can realize the optimal utilization of the internal space of the electrolytic cell under the condition that the shape and the size of the electrolytic cell are not changed, and the optimal current density is set by setting the area of the electrode plate with the optimal distribution, so that the effective electrolysis area can be increased by up to 20 percent compared with the traditional electrolysis, and under the condition that the flow of the electrolysis dilute brine and the electrolysis direct current are the same, the concentration of chlorine generated by electrolysis is higher, and the concentration of the effective chlorine of the product is higher; meanwhile, the use of current density is reasonable, and the service life of the electrode plate can be prolonged to the maximum extent.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient durable type sodium hypochlorite electrolytic device which characterized in that: including electrolysis trough shell pipe, advance electric component, electrolysis electrode core assembly and air guide water conservancy diversion circular baffle subassembly, the both ends of electrolysis trough shell pipe are connected with through loose joint formula head advance electric component, electrolysis electrode core assembly establishes in electrolysis trough shell pipe, and its both ends are connected with advancing electric component respectively, the outside cover of electrolysis electrode core assembly is equipped with air guide water conservancy diversion circular baffle subassembly, the electrolysis inlet has been seted up to the one end of electrolysis trough shell pipe, at electrolysis trough shell pipe with the pickling inlet has been seted up to the relative one side of electrolysis inlet, the electrolysis liquid outlet has been seted up to the other end of electrolysis trough shell pipe, at electrolysis trough shell pipe with the pickling liquid outlet has been seted up to the relative one side of electrolysis liquid outlet.
2. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 1, wherein: the electricity feeding assembly comprises an electrode column and an electricity feeding guide plate, one end of the electrode column is connected with the electricity feeding guide plate, and the electricity feeding guide plate is positioned in the electrolytic cell shell pipe.
3. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 2, wherein: the electrolytic electrode core assembly comprises an electrolytic electrode pipe section I and an electrolytic electrode pipe section II, the electrolytic electrode pipe section I is divided into two parts, the two electrolytic electrode pipe sections I are respectively positioned at two ends of the electrolytic cell shell pipe and are respectively connected with the power feeding guide plate, the electrolytic electrode pipe section II is arranged between the two electrode pipe sections I, and the electrolytic electrode pipe section II and the electrolytic electrode pipe section I are connected through a supporting fastening component.
4. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 3, wherein: electrolytic electrode pipe section one includes negative and positive electrode electrolysis electrode pipe, compound electrolysis electrode pipe one and the solid pipe of negative and positive electrode electrolysis electrode, negative and positive electrode electrolysis electrode pipe and compound electrolysis electrode pipe one establish to a plurality ofly, and are a plurality of negative and positive electrode electrolysis electrode pipe and compound electrolysis electrode pipe are established by outer cover in proper order in to the outside of the solid pipe of negative and positive electrode electrolysis electrode.
5. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 4, wherein: the second electrolytic electrode pipe section comprises a second composite electrolytic electrode pipe and a plurality of solid composite electrolytic electrode pipes, and the plurality of solid composite electrolytic electrode pipes are arranged on the outer side of the solid composite electrolytic electrode pipes in a spaced manner.
6. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 5, wherein: the supporting and fastening assembly comprises a supporting and fastening plate and a supporting and fastening plate fixing bolt, a bolt hole I is formed in the supporting and fastening plate, a bolt hole II is correspondingly formed in the electrolysis electrode pipe section I and the electrolysis electrode pipe section II, and the supporting and fastening plate fixing bolt penetrates through the bolt hole I and the bolt hole II to respectively connect and fix the supporting and fastening plate with the electrolysis electrode pipe section I and the electrolysis electrode pipe section II.
7. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 1, wherein: the circular baffle assembly of air guide water conservancy diversion includes two semicircle annular plates, two semicircle annular plates set up relatively and its tip passes through the gasket and connects, and the air guide water conservancy diversion hole has been seted up along the axis direction in the middle part of every semicircle annular plate.
8. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 1, wherein: the device still includes the response subassembly, the response subassembly includes acidimeter monitor, temperature-sensing ware, conductivity meter and liquid level inductor, the acidimeter monitor is established to two, and two acidimeter monitors are established respectively on pickling inlet and the pickling liquid outlet, the temperature-sensing ware is established to two, and two temperature-sensing ware are established respectively on electrolysis inlet and the electrolysis liquid outlet, the conductivity meter is established on the electrolysis inlet, and sets up relatively with the temperature-sensing ware, the liquid level inductor is established on the electrolysis liquid outlet, and sets up relatively with the temperature-sensing ware.
9. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 1, wherein: the movable joint type end socket is characterized in that a movable joint type end socket main body center hole is formed in the movable joint type end socket, internal threads are arranged on the inner side of the movable joint type end socket, external threads are arranged at the end part of an outer shell pipe of the electrolytic cell, and the movable joint type end socket is in threaded connection with the outer shell pipe of the electrolytic cell.
10. The highly efficient and durable sodium hypochlorite electrolytic device as claimed in claim 1, wherein: the shell pipe of the electrolytic cell is made of polyurethane TPU.
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| CN114438520B (en) | 2024-02-13 |
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