CN109809529B - Electrolysis device capable of being automatically cleaned and automatic cleaning method thereof - Google Patents
Electrolysis device capable of being automatically cleaned and automatic cleaning method thereof Download PDFInfo
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- CN109809529B CN109809529B CN201910116449.7A CN201910116449A CN109809529B CN 109809529 B CN109809529 B CN 109809529B CN 201910116449 A CN201910116449 A CN 201910116449A CN 109809529 B CN109809529 B CN 109809529B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46119—Cleaning the electrodes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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Abstract
The invention provides an electrolytic device capable of being automatically cleaned, which comprises a purification module and a control module, wherein the purification module is electrically connected with the control module; the purification module comprises a purification generator and a water body power driving device; the purification generator is provided with an electrolysis unit, the electrolysis unit comprises an anode and a cathode which are oppositely arranged, and an electrolysis diaphragm positioned between the anode and the cathode; the water body power driving device is a water pump, the inlet of the water pump is provided with a water inlet pipe, the water inlet pipe is provided with a water inlet valve, and the water pump is provided with an anode water outlet pipe and a cathode water outlet pipe; the control module comprises a controller, and the controller controls the opening and closing of the electrolysis unit and the water inlet valve; during the operation of the electrolysis unit, the polarity of the electrodes of the electrolysis unit is reversed through the control module. Compared with the prior art, the electrolytic device capable of automatically cleaning provided by the invention has the advantages that the positive electrode and the negative electrode of the electrolytic unit are exchanged, so that the effects of automatically cleaning the electrode plate and prolonging the service life of the electrode plate are achieved.
Description
Technical Field
The invention relates to the field of water purification tank devices, in particular to an electrolytic device capable of being automatically cleaned and an automatic cleaning method thereof.
Background
The electrolysis reaction is generated after the water is electrified, and the reaction formula is as follows: h20＝H++0H-Hydrogen radical (H) produced by electrolytic reaction+) And hydroxyl (0H)-) The reduction reaction and the oxidation reaction occur at the cathode and the anode, respectively, and the generated oxygen and hydrogen adhere to the anode and the cathode, respectively, and hydrogen is formed due to the fact that hydrogen bonds are more easily opened than hydrogen bonds, even in the case of water containing an electrolyte (e.g., tap water or pure water containing minerals), anions in the water such as (C1) are generated during electrolysis-) Moving to the anode, an oxidation reaction occurs, and cations (Ca)2+、Mg2+、Na+) Moving to the cathode for reduction. Tap water is electrolyzed by direct current by a diaphragm electrolysis method to generate acidic electrolyzed water containing hypochlorous acid at an anode and alkaline electrolyzed water of sodium hydroxide at a cathode. Work of electrolyzing waterCompared with sodium hypochlorite with the same concentration, the disinfection speed of the hypochlorous acid is about 80 times that of the hypochlorous acid, and the electrolyzed water can be better and effectively subjected to sanitary management and is more environment-friendly.
The prior application (application number: 2018105223911) of the applicant proposes an electrolysis device applied to disinfection and sterilization in a water tank, which comprises the water tank, a water injection device, a purification module and a control module; the water tank comprises a tank body and a horizontal panel, a water outlet is formed in the bottom of the tank body, and a drain valve is arranged below the water outlet; the water injection device is arranged above the tank body; the purification module is arranged outside the side wall of the tank body and communicated with the tank body through an opening in the side wall of the tank body, and the purification module is electrically connected with the control module; the purification module comprises a purification generator and a water body power driving device, and the water body power driving device is arranged in the purification module; the purification generator is provided with a plurality of electrolysis units, each electrolysis unit comprises an anode, a cathode and an electrolysis diaphragm, the anodes and the cathodes are oppositely arranged, the electrolysis diaphragms are positioned between the anodes and the cathodes, the area between the anodes and the electrolysis diaphragms forms an anode area, the area between the cathodes and the electrolysis diaphragms forms a cathode area, the water body power driving device is a water pump, the inlet of the water pump is provided with a water inlet pipe, and the water inlet pipe is internally provided with a water inlet valve; the water pump is communicated with the right water tank through an anode water outlet pipe, the water pump is communicated with the left water tank through a cathode water outlet pipe, an anode water outlet valve is arranged in the anode water outlet pipe, and a cathode water outlet valve is arranged in the cathode water outlet pipe; the water pump is communicated with the anode area through an anode area communicating water pipe, an anode communicating valve is arranged in the anode area communicating water pipe, the water pump is communicated with the cathode area through a cathode area communicating water pipe, and a cathode communicating valve is arranged in the cathode area communicating water pipe.
In the process of using the prior application, after the electrode is electrolyzed for a long time, the surface of the electrode is easy to scale and produce attachments, particularly in an environment with poor water quality, the electrode can generate dirt in about 1 month, and further can be corroded, the service life of the electrode is influenced, and the electrode needs to be cleaned. Common methods for cleaning electrodes include: the mechanical cleaning method is to realize electrode cleaning by installing a special mechanical structure on the electrode. Two approaches are currently used: one is to use a mechanical scraper; the other is that a steel wire brush for removing dirt is arranged in the tubular electrode; the ultrasonic cleaning method is characterized in that dirt is crushed by using the energy of ultrasonic waves, so that the purpose of cleaning is achieved; the electric shock method uses alternating current high voltage electricity to be periodically added between the electrode and the medium. The electric shock penetration method is carried out under the conditions that the flowmeter interrupts measurement, the sensor is disconnected with a converter signal wire and power failure occurs; increase the average flow rate in the measurement tube and use a pointed small area electrode.
However, none of the above methods are suitable for the prior applications of the present application, and therefore, there is still a need to develop an electrolytic cell capable of cleaning electrodes.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an electrolytic device capable of automatically cleaning, which achieves the effects of automatically cleaning an electrode plate and prolonging the service life of the electrode plate by exchanging the positive electrode and the negative electrode of an electrolytic unit.
In order to achieve the purpose, the invention adopts the following technical scheme: the electrolytic device capable of being automatically cleaned comprises a purification module and a control module, wherein the purification module is electrically connected with the control module; the purification module comprises a purification generator and a water body power driving device; the purification generator is provided with an electrolysis unit, the electrolysis unit comprises an anode and a cathode which are oppositely arranged, and an electrolysis diaphragm positioned between the anode and the cathode, and the area between the anode and the electrolysis diaphragm forms an anode area; the region between the cathode and the electrolytic separator constitutes a cathode region; the water body power driving device is a water pump, a water inlet pipe is arranged at the inlet of the water pump, a water inlet valve is arranged on the water inlet pipe, and the water pump is provided with an anode water outlet pipe and a cathode water outlet pipe; the water pump is communicated with the anode region through an anode region communicating water pipe, and is communicated with the cathode region through a cathode region communicating water pipe; the control module comprises a controller which controls the opening and closing of the electrolysis unit and the water inlet valve; and during the working process of the electrolysis unit, the polarity of the electrodes of the electrolysis unit is reversed through the control module.
Compared with the prior art, the electrolytic device capable of being automatically cleaned has the following beneficial effects:
(1) when the water-saving washing machine is used, the anode area and the cathode area are filled with water, then the anode area and the cathode area are electrified to enable the surface of the electrode to generate electrolytic reaction, so that acidic electrolytic water is generated in the anode area and can be used for sterilization, and alkaline electrolytic water is generated in the cathode area and can be used for washing organic matters. For a water tank device provided with two water tanks, an anode water outlet pipe is communicated with a right water tank, anode water can be pumped into the left water tank through a water pump, and then sterilization and disinfection operations are carried out; the cathode water outlet pipe is communicated with the left water tank, so that cathode water can be pumped into the left water tank through a water pump, and then the operation of cleaning organic matters is carried out;
(2) the invention relates to a method for controlling the electrolysis unit of an electrolytic cell, which comprises the steps of carrying out reduction reaction and oxidation reaction on a cathode and an anode respectively when the electrode normally works and electrolyzes, exchanging the anode and the cathode of the electrolysis unit by a control module in the time set by a program, and carrying out oxidation reaction and reduction reaction on the cathode and the anode respectively by the electrode after the electrode is exchanged, namely, the electrode carries out reverse reaction, so that dirt adsorbed on the surface of the electrode can be separated and dissolved in water due to the electrolysis reaction, and the service life of the anode and the cathode can be balanced. Practice proves that the normal 0.3 micron electrode has a service life of about 2 years under the condition of no adjustment, and the service life can be prolonged to 3-4 years by electrode adjustment;
(3) the water body power driving device is integrally arranged in the purification module and can promote the purified water in the purification module to exchange with the cleaning water in the tank body;
(4) the electrolysis device can automatically clean the electrodes after being used for a period of time, and the normal working use is not influenced during automatic cleaning, so that the water tank device applied with the electrolysis device does not need to be disassembled or stopped for maintenance, and the normal use of the water tank device is ensured.
Preferably, the cathode region and the anode region are both provided with a pH sensor, and the pH sensors are electrically connected with the control module. When the pH value of the water body in the anode area is less than 5, the sterilization requirement can be met; when the pH value of the water body in the cathode region is more than 9, the requirement of removing organic matters can be met; the electrolysis time can be quickly judged by arranging the pH sensor, energy is saved, emission is reduced, and the use is convenient.
Preferably, the surface of the electrode is provided with a coating of a rare earth metal element; the coating can form countless micro-pores on the surface of the electrode plate, the micro-pores are in a honeycomb shape, when the positive and negative of the electrode are adjusted in a set time by the program of the control module, the liquid generated by electrolysis can generate convection under the action of the magnetic field by the magnetic field generated between the electrodes, and meanwhile, the liquid can generate rotational flow due to the fact that the pores on the surface of the electrode are in the honeycomb shape, so that the cleaning and stripping of dirt on the surface of the electrode are accelerated.
Preferably, an electrode rear cover plate is arranged at one end of the purification module, the electrode rear cover plate is consistent with the outline shape of the purification module, and the electrode rear cover plate can seal the purification module; through setting up the electrode back shroud, the people of being convenient for open the electrode back shroud overhauls the electrode, prevents to be difficult to maintain when self-cleaning breaks down.
Preferably, a transverse plate is arranged at the top of the electrode rear cover plate and can be inserted into the side wall of the purification module; the diaphragm can let the electrode back shroud insert in the lateral wall for the two sealed more firm.
The electrode rear cover plate top and the transverse plate are reasonable in design, the electrode is convenient to take out during maintenance, the sealing performance is good, and liquid is prevented from leaking from the joint of the electrolysis device and the water tank.
Preferably, the transverse plate is provided with a sealing layer, the sealing layer is made of polytetrafluoroethylene, the polytetrafluoroethylene has good sealing performance, and water leakage can be effectively prevented.
Another object of the present invention is to provide an automatic cleaning method for an electrolytic apparatus capable of automatic cleaning, comprising the steps of:
(1) starting the electrolysis device to electrolyze the electrolysis unit with an electrolysis current I1Electrolytic voltage is V1Running set time T1Then entering a cleaning program;
(2) the control module controls the water body power driving device to release water in the cathode region and the anode region, and the control module controls the water body power driving device to reload water in the cathode region and the anode region;
(3) the polarity of the electrolysis unit is reversed through the control module, and the electrolysis current is set to be I2Electrolytic voltage is V2Cleaning time is T2；
(4) And (4) finishing cleaning, releasing the electrolytic aqueous solution of the electrolytic unit, and recovering the initial access mode of the power supply of the control module.
Preferably, the electrolysis current I1And electrolysis current I2The relationship of (A) to (B) is 0.1I1＜I2＜3I1(ii) a Electrolytic voltage V1And an electrolysis voltage V2Is 0.6V1＜V2＜6V1。
Preferably, the electrolysis current I1And electrolysis current I2The relationship of (A) to (B) is 0.8I1＜I2＜1.2I1(ii) a Electrolytic voltage V1And an electrolysis voltage V2Is 1V1＜V2＜3V1，T2And T1The ratio of the ratio is 0.1-0.5: 1.
Preferably, in the step (3), if the cathode region pH sensor detects that the pH value is less than 4, the control module stops driving the electrolysis unit to execute the cleaning program. Under the normal use condition of the electrolysis device, when the pH value of the liquid in the anode region is less than 5, the sterilization requirement can be met, and therefore, when the digital display pH value of the pH sensor in the cathode region is less than 4, the electrode can be ensured to be fully cleaned.
Compared with the prior art, the automatic cleaning method of the electrolytic device capable of automatically cleaning has the following beneficial effects:
(1) the anode and the cathode of the electrolysis unit are exchanged within the time set by the control module program, so that the electrode has reverse reaction, dirt adsorbed on the surface of the electrode can be electrolyzed and separated, the service lives of the anode and the cathode are balanced, the service life of the normal 0.3 micron plating electrode is 2 years under the condition of no exchange, and after the electrode of the electrolysis device is exchanged, the service life of the electrolysis electrode is greatly prolonged, and the working life of the electrolysis electrode is stabilized at 3-4 years;
(2) the electrode can be automatically cleaned without stopping when in use, the daily use of the water tank device is not influenced completely, and in addition, the invention can effectively prevent the surface of the electrode from adsorbing dirt, thereby avoiding the pollution of the dirt remained on the surface of the electrode to water quality, and has convenient use and good user experience.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is an assembly schematic of the present invention;
FIG. 3 is a schematic view of a purification module;
FIG. 4 is a side view of the electrode back cover of the present invention open;
FIG. 5 is a side view of the electrode back cover closure of the present invention;
fig. 6 is a schematic view of a sink apparatus to which the present invention is applied.
Description of reference numerals:
the device comprises a water tank 1, a water injection device 2, a purification module 3, a purification generator 31, a water pump 32, an anode water outlet pipe 33, a cathode water outlet pipe 34, an anode 35, a cathode 36, an electrolytic diaphragm 37, an anode water outlet valve 38, a cathode water outlet valve 39, a water inlet pipe 310, a water inlet valve 311, an anode communicating valve 312, a cathode communicating valve 313, a control module 4, a drain valve 5, a touch control panel 6, a filter screen 7, a right water tank 8, a left water tank 9, a tank body 10, a horizontal panel 11, an electrode rear cover plate 12 and a transverse plate 13.
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings:
example one
Referring to fig. 1 to 5, the self-cleanable electrolysis apparatus of the present embodiment includes a purification module 3 and a control module 4, wherein the purification module 3 is electrically connected to the control module 4; the purification module 3 comprises a purification generator 31 and a water body power driving device.
The purification generator 31 is provided with an electrolysis unit comprising an anode 35, a cathode 36, and an electrolysis membrane 37 between the anode 35 and the cathode 36, which are oppositely arranged, and the area between the anode 35 and the electrolysis membrane 37 constitutes an anode area (not shown in the figure); the region between the cathode 36 and the electrolytic diaphragm 37 constitutes a cathode region (not shown in the figure).
The water body power driving device is a water pump 32, an inlet of the water pump 32 is provided with a water inlet pipe 310, and the water inlet pipe 310 is provided with a water inlet valve 311; the water pump 32 is provided with an anode water outlet pipe 33 and a cathode water outlet pipe 34, an anode water outlet valve 38 is arranged in the anode water outlet pipe 33, and a cathode water outlet valve 39 is arranged in the cathode water outlet pipe 34; the water pump 32 is communicated with the anode region through an anode region communicating water pipe (not shown in the figure), an anode communicating valve 312 is arranged in the anode region communicating water pipe, the water pump 32 is communicated with the cathode region through a cathode region communicating water pipe (not shown in the figure), and a cathode communicating valve 313 is arranged in the cathode region communicating water pipe.
The control module 4 comprises a touch control panel 6, a controller (not shown in the figure) and a power supply (not shown in the figure), wherein the controller and the power supply are arranged below the control panel; the controller may control the electrolysis unit to be turned on and off; the controller controls the opening and closing of the water inlet valve 311, the anode water outlet valve 38, the cathode water outlet valve 39, the anode communication valve 312 and the cathode communication valve 313 through electric signals; during the working process of the electrolysis unit, the polarity of the electrodes of the electrolysis unit is exchanged through the control module 4; specifically, the polarity of the electrodes is reversed by controlling the output direction of the voltage of the power supply by the control module 4, so that the polarity of the electrolysis unit is switched.
The control module 4 can ensure the inflow and outflow of the water in the purification generator 31 and the outflow direction of the water in the purification generator 31 by controlling the opening and closing of the water inlet valve 311, the anode water outlet valve 38, the cathode water outlet valve 39, the anode communication valve 312 and the cathode communication valve 313 according to actual needs.
The negative pole district with the positive pole district all is provided with the pH sensor, the pH sensor pass through the signal of telecommunication with control module 4 is connected, and the measuring result of pH sensor can show with digital mode on control module 4. When the pH value of the water body in the anode area is less than 5, the sterilization requirement can be met; when the pH value of the water body in the cathode region is more than 9, the requirement of removing organic matters can be met; the electrolysis time can be quickly judged by arranging the pH sensor, energy is saved, emission is reduced, and the use is convenient.
The electrode area of the cathode 36 is larger than that of the anode 35, and the electrode area of the anode 35 is 3500-5000mm2The electrode area of the cathode 36 is 400-5500mm2。
The electrode potential for the oxygen evolution reaction at the anode 35 was 1.23V at standard atmospheric pressure and temperature, but since both the cathode 36 and anode 35 reactions involve multiple electron transfer processes, each of which introduces a kinetic energy barrier (activation energy) for the reaction. The superposition of these activation energies results in the actual electrolyzed water voltage being much greater than 1.23V, and this portion of the applied voltage is referred to as the overpotential. In addition to the activation energy, ion transfer rate, conductivity, surface bubble patency, and reaction entropy all result in greater overpotentials. Hydrogen ion (H)+) The overpotential required for electrolysis is relatively small, because the area of the cathode 36 is larger than that of the anode 35, the side reaction of the anions generated at the anode 35 affects the oxidation degree of hydroxyl more easily, and the side reaction of the cations generated at the cathode 36 has relatively small influence on hydrogen radicals, thus being beneficial to the generation of cathode water and improving the decontamination capability. In daily life, organic pollutants need to be cleaned many times, so that the cleaning capability of the organic pollutants is improved, and the method is more favorable for practical production and application. Meanwhile, the area of the electrode is designed reasonably according to the scale of the water tank.
The surface of the electrode is provided with a coating (not shown in the figure) of rare earth metal elements; the coating can form countless micro-pores on the surface of the electrode plate, the micro-pores are in a honeycomb shape, when the positive and negative of the electrode are adjusted within a set time by the program of the control module 4, the liquid generated by electrolysis can generate convection under the action of the magnetic field by the magnetic field generated between the electrodes, and meanwhile, the liquid can generate rotational flow due to the fact that the pores on the surface of the electrode are in the honeycomb shape, so that the cleaning and stripping of dirt on the surface of the electrode are accelerated.
An electrode rear cover plate 12 is arranged at one end of the purification module 3, the electrode rear cover plate 12 is consistent with the outline shape of the purification module 3, and the electrode rear cover plate 12 can seal the purification module 3; through setting up electrode back shroud 12, be convenient for people to open electrode back shroud 12 overhauls the electrode, prevents to be difficult to maintain when self-cleaning breaks down.
A transverse plate 13 is arranged at the top of the electrode rear cover plate 12, and the transverse plate 13 can be inserted into the side wall of the purification module 3; the transverse plate 13 allows the electrode back cover 12 to be inserted into the side wall, so that the sealing between the two is more firm.
The top of the electrode rear cover plate 12 and the transverse plate 13 are reasonable in design, so that the electrodes can be taken out conveniently during maintenance, the sealing performance is good, and liquid is prevented from leaking from the connection part of the electrolytic device and the water tank.
The transverse plate 13 is provided with a sealing layer (not shown in the figure), the sealing layer is made of polytetrafluoroethylene, the polytetrafluoroethylene has good sealing performance, and water leakage can be effectively prevented.
Compared with the prior art, the electrolytic device capable of being automatically cleaned has the following beneficial effects:
(1) when the water-saving washing machine is used, the anode area and the cathode area are filled with water, then the anode area and the cathode area are electrified to enable the surface of the electrode to generate electrolytic reaction, so that acidic electrolytic water is generated in the anode area and can be used for sterilization, and alkaline electrolytic water is generated in the cathode area and can be used for washing organic matters. For a water tank device provided with two water tanks, the anode water outlet pipe 33 is communicated with the right water tank, namely, water is pumped into the anode 35 from the left water tank through the water pump 32, and then sterilization and disinfection operations are carried out; the cathode water outlet pipe 34 is communicated with the left water tank, namely, water of the cathode 36 can be pumped into the left water tank through the water pump 32, and then the operation of cleaning organic matters is carried out;
(2) the electrodes respectively generate reduction reaction and oxidation reaction at the cathode 36 and the anode 35 when the electrodes work normally and are electrolyzed, the anode and the cathode of the electrolysis unit are exchanged by the control module 4 in the time set by the program, after the electrodes are exchanged, the electrodes respectively generate oxidation reaction and reduction reaction at the cathode 36 and the anode 35, namely, the electrodes generate reverse reaction, so that dirt adsorbed on the surfaces of the electrodes can be separated and dissolved in water due to the electrolysis reaction, and the service lives of the anode and the cathode can be balanced. Practice proves that the normal 0.3 micron electrode has a service life of about 2 years under the condition of no adjustment, and the service life can be prolonged to 3-4 years by electrode adjustment;
(3) the water body power driving device is integrally arranged in the purification module 3, and can promote the purified water in the purification module 3 to exchange with the cleaning water in the tank body;
(4) the electrolysis device can automatically clean the electrodes after being used for a period of time, and the normal working use is not influenced during automatic cleaning, so that the water tank device applied with the electrolysis device does not need to be disassembled or stopped for maintenance, and the normal use of the water tank device is ensured.
Example two
Referring to fig. 1 and 6, the present embodiment discloses a water tank device of an electrolysis device capable of automatic cleaning, which includes a water tank 1, a water injection device 2 and an electrolysis device; the electrolysis apparatus comprises a purification module 3 and a control module 4.
The water injection device 2 is a water faucet, the water tank 1 comprises a tank body 10 and a horizontal panel 11, a water outlet is formed in the bottom of the tank body 1, and a drain valve 5 is arranged below the water outlet. The purification module 3 is arranged outside the side wall of the tank body 10 and communicated with the tank body 10 through an opening in the side wall of the tank body, and the purification module 3 is electrically connected with the control module 4.
The tank body 10 is provided with a right water tank 8 and a left water tank 9; the purification module 3 comprises a purification generator 31 and a water body power driving device, specifically, the water body power driving device is a water pump 32, the water pump 32 is communicated with the right water tank 8 through an anode water outlet pipe 33, and the water pump 32 is communicated with the left water tank 9 through a cathode water outlet pipe 34.
And a filter screen 7 is arranged on an opening on the side wall of the tank body 10, so that water entering the purification module 3 is filtered.
EXAMPLE III
Another object of the present invention is to provide a method for automatically cleaning an electrolytic apparatus capable of automatic cleaning according to the first embodiment, including the steps of:
(1) starting the electrolysis unit to electrolyzeThe cell is subjected to electrolysis with an electrolysis current of I1Electrolytic voltage is V1Running set time T1Then entering a cleaning program;
(2) the control module controls the water body power driving device to release water in the cathode region and the anode region, and the control module controls the water body power driving device to reload water in the cathode region and the anode region;
(3) the polarity of the electrolysis unit is reversed through the control module, and the electrolysis current is set to be I2Electrolytic voltage is V2Cleaning time is T2；
(4) And (4) finishing cleaning, releasing the electrolytic aqueous solution of the electrolytic unit, and recovering the initial access mode of the power supply of the control module.
Electrolytic current I1And electrolysis current I2The relationship of (A) to (B) is 0.1I1＜I2＜3I1(ii) a Electrolytic voltage V1And an electrolysis voltage V2Is 0.6V1＜V2＜6V1。
Electrolytic current I1And electrolysis current I2The relationship of (A) to (B) is 0.8I1＜I2＜1.2I1(ii) a Electrolytic voltage V1And an electrolysis voltage V2Is 1V1＜V2＜3V1，T2And T1The ratio of the ratio is 0.1-0.5: 1.
In the step (3), if the cathode region pH sensor detects that the pH value is less than 4, the control module stops driving the electrolysis unit to execute the cleaning program. Under the normal use condition of the electrolysis device, when the pH value of the liquid in the anode region is less than 5, the sterilization requirement can be met, and therefore, when the digital display pH value of the pH sensor in the cathode region is less than 4, the electrode can be ensured to be fully cleaned.
Compared with the prior art, the automatic cleaning method of the electrolytic device capable of automatically cleaning has the following beneficial effects:
(1) the anode and the cathode of the electrolysis unit are exchanged within the time set by the control module program, so that the electrode has reverse reaction, dirt adsorbed on the surface of the electrode can be electrolyzed and separated, the service lives of the anode and the cathode are balanced, the service life of the normal 0.3 micron plating electrode is 2 years under the condition of no exchange, and after the electrode of the electrolysis device is exchanged, the service life of the electrolysis electrode is greatly prolonged, and the working life of the electrolysis electrode is stabilized at 3-4 years;
(2) the electrode can be automatically cleaned without stopping when in use, the daily use of the water tank device is not influenced completely, and in addition, the invention can effectively prevent the surface of the electrode from adsorbing dirt, thereby avoiding the pollution of the dirt remained on the surface of the electrode to water quality, and has convenient use and good user experience.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (8)
1. An automatic cleaning method of an electrolysis device is characterized in that: relates to the use of an automatically cleanable electrolysis device comprising a purification module and a control module, the purification module being electrically connected to the control module;
the purification module comprises a purification generator and a water body power driving device;
the purification generator is provided with an electrolysis unit, the electrolysis unit comprises an anode and a cathode which are oppositely arranged, and an electrolysis diaphragm positioned between the anode and the cathode, and the area between the anode and the electrolysis diaphragm forms an anode area; the region between the cathode and the electrolytic separator constitutes a cathode region;
the water body power driving device is a water pump, a water inlet pipe is arranged at the inlet of the water pump, a water inlet valve is arranged on the water inlet pipe, and the water pump is provided with an anode water outlet pipe and a cathode water outlet pipe; the water pump is communicated with the anode region through an anode region communicating water pipe, and is communicated with the cathode region through a cathode region communicating water pipe;
the control module comprises a controller which controls the opening and closing of the electrolysis unit and the water inlet valve;
during the working process of the electrolysis unit, the polarity of the electrodes of the electrolysis unit is exchanged through the control module;
the automatic cleaning method comprises the following steps:
(1) starting the electrolysis device to electrolyze the electrolysis unit with an electrolysis current I1Electrolytic voltage is V1Running set time T1Then entering a cleaning program;
(2) the control module controls the water body power driving device to release water in the cathode region and the anode region, and the control module controls the water body power driving device to reload water in the cathode region and the anode region;
(3) the polarity of the electrolysis unit is reversed through the control module, and the electrolysis current is set to be I2Electrolytic voltage is V2Cleaning time is T2；
(4) After the cleaning is finished, releasing the electrolytic aqueous solution of the electrolytic unit, and recovering the initial access mode of the power supply of the control module;
electrolytic current I1And electrolysis current I2The relationship of (A) to (B) is 0.1I1＜I2＜3I 1(ii) a Electrolytic voltage V1And an electrolysis voltage V2Is 0.6V1＜V2＜6V1。
2. The automatic cleaning method for an electrolytic device according to claim 1, characterized in that: the cathode area and the anode area are both provided with pH sensors, and the pH sensors are electrically connected with the control module.
3. The automatic cleaning method for an electrolytic device according to claim 1, characterized in that: and the surfaces of the anode and the cathode are provided with coatings of rare earth metal elements.
4. The automatic cleaning method for an electrolytic device according to claim 1, characterized in that: an electrode rear cover plate is arranged at one end of the purification module, the electrode rear cover plate is consistent with the outline shape of the purification module, and the electrode rear cover plate can seal the purification module.
5. The automatic cleaning method for an electrolytic device according to claim 4, characterized in that: the top of the electrode rear cover plate is provided with a transverse plate, and the transverse plate can be inserted into the side wall of the purification module.
6. The automatic cleaning method for an electrolytic device according to claim 5, characterized in that: the diaphragm is provided with a sealing layer, and the sealing layer is made of polytetrafluoroethylene.
7. The automatic cleaning method for an electrolytic device according to claim 1, characterized in that: electrolytic current I1And electrolysis current I2The relationship of (A) to (B) is 0.8I1＜I2＜1.2I 1(ii) a Electrolytic voltage V1And an electrolysis voltage V2Is 1V1＜V2＜3V1，T2And T1The ratio of the ratio is 0.1-0.5: 1.
8. The automatic cleaning method of an electrolysis apparatus according to any one of claims 1 and 7, wherein: in the step (3), if the cathode region pH sensor detects that the pH value is less than 4, the control module stops driving the electrolysis unit to execute the cleaning program.
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| CN111268767A (en) * | 2020-01-21 | 2020-06-12 | 广东原之生农业科技有限公司 | Automatic pickling control method and device for electrolytic cell and storage medium |
| CN113198792B (en) * | 2021-05-12 | 2022-08-12 | 佛山市顺德区美的饮水机制造有限公司 | Electrode cleaning device for household electrical appliance |
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| CN114873871A (en) * | 2022-06-16 | 2022-08-09 | 杭州晓水环保技术有限公司 | Microbial electric filtering equipment suitable for small-scale domestic sewage treatment device and use method |
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