CN204625269U - There is the tap water electrolysis reactor of self-purification function - Google Patents
There is the tap water electrolysis reactor of self-purification function Download PDFInfo
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- CN204625269U CN204625269U CN201520116100.0U CN201520116100U CN204625269U CN 204625269 U CN204625269 U CN 204625269U CN 201520116100 U CN201520116100 U CN 201520116100U CN 204625269 U CN204625269 U CN 204625269U
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- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 25
- 238000000746 purification Methods 0.000 title claims abstract description 25
- 239000008399 tap water Substances 0.000 title abstract 2
- 235000020679 tap water Nutrition 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000006243 chemical reaction Methods 0.000 claims abstract description 80
- 238000011010 flushing procedure Methods 0.000 claims abstract description 21
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000010936 titanium Substances 0.000 claims abstract description 11
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 239000003651 drinking water Substances 0.000 claims description 19
- 235000020188 drinking water Nutrition 0.000 claims description 19
- 238000011001 backwashing Methods 0.000 claims description 13
- 229910000510 noble metal Inorganic materials 0.000 claims description 13
- 239000007769 metal material Substances 0.000 claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 229920002492 poly(sulfone) Polymers 0.000 claims description 3
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 8
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract 1
- 235000010755 mineral Nutrition 0.000 abstract 1
- 239000011573 trace mineral Substances 0.000 abstract 1
- 235000013619 trace mineral Nutrition 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 230000006870 function Effects 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000035622 drinking Effects 0.000 description 3
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- 229910052751 metal Inorganic materials 0.000 description 3
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- 238000007254 oxidation reaction Methods 0.000 description 3
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000007323 disproportionation reaction Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
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- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 231100000331 toxic Toxicity 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
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- 229910052785 arsenic Inorganic materials 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model provides a kind of tap water electrolysis reactor with self-purification function, and it comprises reaction electrode assembly, reactor shell assembly, also comprises rinsing module, controller; Wherein, electrode assemblie is answered to be arranged on the inside of reactor shell assembly; Controller is connected with automatically controlled valve with the flushing Link Port of rinsing module respectively, is connected with the electrode terminal of Time Controller with reactor shell assembly; Controller controls reaction electrode assembly) Faradaic current, voltage, polarity of electrode conversion; Control opening or closing of the magnetic valve of automatically controlled valve simultaneously, utilize current to carry out back flushing to reaction electrode assembly.The utility model has electrode conversion and automatic flushing function, the former water of titanium matrix composite electrode pair is adopted to carry out purifying treatment, do not add any chemical additive, remove the pollutents such as the heavy metal in former water, microorganism, increase dissolved oxygen, improve water quality, retain the mineral substance and trace element that are of value to HUMAN HEALTH in former water.
Description
Technical Field
The utility model belongs to the technical field of drinking water electrolytic reactor, a large-traffic controllable self-purification quick drinking water treatment facilities of no diaphragm is related to, concretely relates to drinking water electrolytic reactor with self-purification function.
Background
Water acts as an electrolyte and solvent and, because it contains a large number of ionic, colloidally charged groups, it can be purified electrochemically. The basic purification reaction mechanism is as follows:
cathode reduction: 2H2O+2e-→2OH-+H2↑
Anodic oxidation: 2H2O-4e-→4H++O2↑
2Cl--2e-→Cl2
CL2Carrying out disproportionation reaction:
Cl2+H2O→HClO+HCl
due to the electrolytic treatment with iron-based or other electrodes, the electrode reaction is accompanied by the production of other corresponding products, such as iron electrode dissolution, etc., which vary depending on the electrode material. O produced by electrolytic reaction2The HClO has strong sterilization and algae removal capability and can be used for sterilization and disinfection; part O2Dissolving in water increases the dissolved oxygen content of the produced water. For example, for an iron electrode, the following reaction also occurs:
Fe-2e-→Fe2+
Fe2+-e-→Fe3+
Fe3++3OH-→Fe(OH)3↓
the common processes for treating water by using an electrolysis method mainly comprise the following two processes: firstly, the electrolytic bath made of sacrificial anode, i.e. metal electrode such as graphite, iron, stainless steel, etc. is used in the sewage treatment field in large quantity, and can play the roles of flocculation, aeration, etc. to effectively reduce the indexes of Chemical Oxygen Demand (COD) and turbidity, etc. of sewage, and has the function of sterilization and disinfection. However, since the anode is precipitated or dissolved in the electrolytic reaction and the overall treatment selectivity is low, it is not suitable for the field of drinking purified water. The other is an electrodialysis electrolytic tank with diaphragm made of noble metal inert electrode, the product is mostly called water ionizer, the cathode generates alkaline water, the anode generates acid water, the middle separates the acid water from the alkaline water by a semi-permeable diaphragm, and then the two are respectively led out for different purposes. Because of high requirement on a purified water electrolysis electrode and high price, the water electrolysis machine is mainly used for preparing functional water in small volume in families and is not completely purified for drinking.
In the prior art, the electrode switching and automatic flushing functions are also not found.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an electrochemistry principle adopts titanium-based combined material electrode, titanium-based noble metal material coating electrode or noble metal (like platinum) electrode to carry out purification treatment to the raw water in the specific index, does not add any chemical additive, detach pollutants such as heavy metal, microorganism in the raw water, increases dissolved oxygen, improves quality of water, remains the mineral substance and the microelement that are of value to health in the raw water, and the increase has electrode conversion and washing function simultaneously. The specific technical scheme is as follows:
drinking water electrolysis reactor with self-purification function, including reaction electrode subassembly (1), reactor housing assembly (2), its characterized in that:
the washing device also comprises a washing component (3) and a controller (4); wherein,
the reaction electrode assembly (1) comprises a reaction electrode (5), an electrode fixing seat (6) and an electrode binding post (8) which are connected in sequence;
the reactor shell assembly (2) comprises a shell (9), a top cover (10), a water inlet pipeline (11), a water outlet pipeline (12) and a flushing connecting port (13); the top cover (10) is detachably covered on the shell (9), and the water outlet pipeline (12) and the electrode binding post (8) respectively penetrate through the top cover (10);
the flushing assembly (3) comprises an automatic control valve (14) and a flushing water outlet (15) which are connected with each other;
the reaction electrode assembly (1) is arranged inside the reactor shell assembly (2); the controller (4) is respectively connected with the flushing connecting port (13) of the flushing assembly (3) and the automatic control valve (14), and meanwhile, the controller (4) is connected with the electrode binding post (8) of the reactor shell assembly (2);
the controller (4) controls the electrolysis current, voltage and electrode polarity conversion of the reaction electrode assembly (1); meanwhile, the opening or closing of an electromagnetic valve of the automatic control valve (14) is controlled, and the reaction electrode assembly (1) is backwashed by water flow;
the lower part of the shell (9) is communicated with the water inlet pipeline (11) and the flushing assembly (3);
the top cover (10) and the electrode binding post (8) are sealed in an insulating mode, and the water outlet pipeline (12) and the top cover (10) are sealed.
Furthermore, the controller (4) comprises a constant-current voltage-stabilizing direct-current power supply module (16), an electrode polarity conversion module (17) and a backwashing control module (18); the constant-current voltage-stabilizing direct-current power supply module (16) can supply power to the electrode polarity conversion module (17) according to the water quality condition; the electrode polarity conversion module (17) can freely control the electrode polarity of the reaction electrode assembly (1) according to preset time and simultaneously transmit a positive and negative conversion signal to the back washing control module (18); the back-washing control module (18) can control water flow to back wash the reaction electrode assembly (1) when the polarity of the electrodes of the reaction electrode assembly (1) is switched, and the time and frequency of the back washing can be freely set.
Furthermore, the constant-current voltage-stabilizing direct-current power supply module (16) can provide any value in the range of 0A-30A/-100V- + 100V-DC; the electrode polarity conversion time of the back washing is freely set and comprises any value within the range of 0-48 h.
Further, the reaction electrode (5) is formed by one or more groups of electrode plates (19); each group of the electrode plates (19) are used in pairs in a staggered manner and are provided with a positive electrode and a negative electrode; the electrode plates (19) are supported, fixed, isolated and insulated by the electrode fixing blocks (7).
Furthermore, the reaction electrode (5) is composed of 2 groups of the electrode plates (19).
Furthermore, the electrode plate (19) can be provided with holes, and the holes can be circular, oval or polygonal.
Further, the shape of the electrode plate (19) can be a plate shape, and also can be a rod shape, a cylinder shape, a net shape, a honeycomb shape or other structures which can increase the reaction contact area; the plate shape of the electrode plate (19) can also be a screen plate, a micro-porous plate or a multi-porous plate.
Further, the material of the electrode plate (19) is titanium-based composite material, noble metal material or material with a titanium-based noble metal material coating layer.
Further, the noble metal material is platinum, ruthenium or iridium.
Furthermore, the reaction electrode (5) is connected with the electrode fixing seat (6) in a welding or inserting manner; the electrode fixing seat (6) is provided with a clamping groove which is correspondingly connected with the electrode plate (19); the electrode plate (19) is mutually insulated and electrically connected with the electrode column (8) through the clamping groove; the electrode fixing block (7) and the clamping groove are made of insulating materials.
Further, the water outlet pipeline (12) is also connected with a section of water pipe or a movable joint; the reactor shell (9) is made of transparent polysulfone, UPVC, organic glass or metal materials.
Furthermore, the water flow directions of the water inlet pipeline (11) and the water outlet pipeline (12) can be mutually exchanged, and water is fed from the water outlet pipeline (12) and discharged from the water inlet pipeline (11) in a counter-current water mode.
The basic purification reaction mechanism of the utility model is as follows:
cathode reduction: 2H2O+2e-→2OH-+H2↑
Mn++nOH-→M(OH)n↓ (insoluble metal ion precipitation),
Mn++ne-→ M ↓ (heavy metal ion precipitation);
anodic oxidation: 2H2O-4e-→4H++O2↑
2Cl--2e-→Cl2
CL2Carrying out disproportionation reaction:
Cl2+H2O→HClO+HCl
wherein M isn+And represents metal ions (heavy metal ions, and metal ions such as calcium, magnesium, and iron).
More OH is generated near the cathode due to the electrolysis of water-Ions, OH-Can react with heavy metal ions to form M (OH) which is insoluble in waternPrecipitating (a small amount of metal ions such as calcium, magnesium, iron and the like can also generate hydroxide precipitates to be precipitated), and reducing part of inactive heavy metal ions into simple substances to be precipitated by electrons; o is2And the O, HO free radical generated in the reaction process has strong oxidizing property, can degrade organic matters in water, and HClO has strong degerming capability and can be used for sterilization; part O2Dissolving in water increases the dissolved oxygen content of the produced water. Therefore, the electrolytic reaction can achieve the effects of degrading organic matters, sterilizing, disinfecting, removing heavy metal ions and increasing dissolved oxygen in water.
After the electrode reacts for a period of time, some sediments are attached to the polar plate, and after the polarity of the polar plate of the electrode is switched, the sediments deposited and attached to the surface of the cathode fall off rapidly and are washed away by flushing water flow.
The utility model discloses profitable technical characterstic is: the titanium-based composite material electrode, the titanium-based noble metal material coating electrode or the noble metal (such as platinum) electrode is adopted, the electrode has the advantages of insolubility of electrode materials, no reaction, low oxygen evolution and chlorine evolution potential and catalytic action, an electric field environment is provided in the electrolytic reaction, oxidation and reduction environments and acid-base environments are respectively provided near the positive electrode and the negative electrode, and the electrochemical reaction, namely the generation of oxygen and chlorine, the reduction and precipitation of heavy metals, the deposition of insoluble metal oxides, hydroxides and other substances, the redox degradation of toxic and harmful organic matters and the reduction of water molecular group rearrangement are facilitated. The utility model discloses have the electrode conversion simultaneously and wash the function, can be applied to all kinds of water purification unit's core component device, it is strong to have a throughput, long service life, controllable self-purification.
The technical effects of the utility model are that: when the temperature is fixed, raw water in a specific index is introduced into the drinking water electrolysis reactor, water flows into the reactor shell through the water inlet, the flow rate of the water flow and the current and voltage applied by the reaction electrode plate are controlled, and the electrochemical oxidation-reduction reaction can be rapidly carried out on the raw water in the reactor shell. Because the flow velocity of water flow in the shell is large, the polar plate is used as a spoiler, and the design of the diaphragm is cancelled, the flow pattern of the water flow in the shell is considered to be turbulent flow, the reaction liquid is fully mixed and reacted, and the reaction is uniform.
The raw water after the electrolytic reaction can effectively remove organic pollutants, metal and nonmetal toxic and harmful ions or radicals such as nickel, arsenic and the like, and pathogenic flora such as escherichia coli, staphylococcus aureus and the like.
The external voltage-stabilizing direct-current power supply can set the electrode polarity conversion time within 0-48 h, and electrolytic educts and precipitates attached to the polar plate can be effectively removed through electrode conversion, so that the cleanness and the reaction activity of the electrode are ensured.
The utility model discloses can the wide application in all kinds of water purification fields of drinking.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic block diagram of the controller of the present invention.
Fig. 3 is a schematic view of the structure of the reaction electrode assembly of the present invention.
Fig. 4 is a schematic structural diagram of the reaction electrode plate of the present invention.
The reactor comprises an electrode assembly 1, a reactor shell assembly 2, a flushing assembly 3, a controller 4, a reaction electrode 5, an electrode fixing seat 6, an electrode fixing block 7, an electrode binding post 8, a shell 9, a top cover 10, a water inlet pipeline 11, a water outlet pipeline 12, a flushing connecting port 13, an automatic control valve 14, a flushing water outlet 15, a constant-current and voltage-stabilizing direct-current power supply module 16, an electrode polarity conversion module 17, a backwashing control module 18 and an electrode plate 19.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, is a schematic structural diagram of the present invention. The direction of the arrows in the figure is the water flow direction when the reactor is in operation, i.e. the water flow generally flows from top to bottom and also from bottom to top. The reactor shell 9 is made of transparent polysulfone, UPVC, organic glass or metal materials, is heat-resistant and pressure-resistant, and the upper part of the reactor shell is connected with the top cover 10 through threads and a sealing ring. The reaction electrode 5 is fixed on the electrode fixing seat 6 and is arranged at the central position in the reactor shell 9, and water flows through the reactor shell 9 from bottom to top and completely submerges the reaction electrode 5 to flow in a turbulent flow mode. The controller 4 supplies power and controls the reaction electrode 5, electrochemical oxidation-reduction reaction is generated in the reactor shell 9, the polarity of the electrode is switched within a preset time, precipitates generated by electrolysis reaction are dissolved out and fall off to protect the electrode, the electrode is washed, and the service life is prolonged. The water outlet 12 leads the reacted water out of the utility model, and is connected with other post-positioned equipment for further filtration and purification. The flushing connection port 13 is connectable to an automatic control valve 14 such as a solenoid valve, and is opened when the polarity of the electrode is switched under the control of the controller 4, so that the harmful substances dissolved and dropped are flushed and discharged.
Carry out the prefilter through leading prefabricated purifier to the raw water and handle, will reach the utility model discloses the raw water that the quality of water of intaking required is introduced the utility model discloses. The water inlet pipeline 11 is connected with a raw water inlet pipeline, and can adopt adhesive (PVC-U), hot melt (PPR), welding (metal), loose joint connection or flange connection according to the type of materials.
The electrode binding post 8 and the electrode fixing seat 6 are fixed on the top cover 10, the electrode binding post 8 is exposed out and externally coated with an insulating layer, the electrode binding post 8 is connected with the controller 4, and the electrode fixing seat 6 is arranged in the top cover and can be used for fixing the reaction electrode assembly 1; the electrode fixing block 7 ensures the electrode spacing.
As shown in fig. 2, the controller is a schematic block diagram of the present invention. The external current is input to the constant-current voltage-stabilizing direct-current power supply module 16, and the constant-current voltage-stabilizing direct-current power supply module 16 supplies current to the reaction electrode 5 through the electrode polarity conversion module 17; the electrode polarity conversion module 17 controls the conversion of the positive electrode and the negative electrode of the current; the electrode polarity conversion module 17 converts the positive and negative poles of the current and simultaneously sends a positive and negative pole conversion signal to the back-washing control module 18, the back-washing control module 18 controls the automatic control valve 14 to be opened for washing, and the washing time can be set; at the end of the flush, the automatic control valve 14 is closed.
As shown in fig. 3-4, the structure of the reaction electrode assembly and the structure of the reaction electrode plate are shown in the present invention. The reaction electrode 5 is made of titanium-based composite material, titanium-based noble metal material coating electrode or noble metal (such as platinum) material, the specifications of the anode and cathode materials are the same, the anode and cathode materials are installed in pairs through the clamping grooves of the electrode plate 19 and are connected with the electrode column 8, and a plurality of pairs can be installed according to the water inlet treatment capacity. The shape of the electrode plate 19 can be a rod, a sheet, a cylinder, a net, a honeycomb or other shapes, in order to increase the reaction contact area, the electrode plate 19 can be provided with holes which can be rectangular, circular, hexagonal holes or other shapes, and the electrode plate 19 can also be a screen plate, a microporous plate, a porous plate or other materials with larger surface area. The reaction electrode 5 may be composed of one set (1 anode and 1 cathode) of electrode plates 19, or 2, 3 or more sets of electrode plates 19.
This example is only the utility model discloses an embodiment, if need further improve the flow pattern in the reactor casing, make the reaction more even, also can adopt the business turn over water mode against the current, water inlet, go up the delivery port and go out water from lower water inlet promptly, need change along with engineering design.
Compared with the prior art, the drinking water electrolysis reactor has the functions of purifying raw water in specific indexes, degrading organic matters, reducing heavy metals and sterilizing, has the characteristics of large treatment capacity, simple equipment structure and good diaphragm-free flow pattern, and can protect and self-purify electrodes by externally connecting a controllable voltage-stabilizing direct-current power supply.
Claims (12)
1. Drinking water electrolysis reactor with self-purification function, including reaction electrode subassembly (1), reactor housing assembly (2), its characterized in that:
the washing device also comprises a washing component (3) and a controller (4); wherein,
the reaction electrode assembly (1) comprises a reaction electrode (5), an electrode fixing seat (6) and an electrode binding post (8) which are connected in sequence;
the reactor shell assembly (2) comprises a shell (9), a top cover (10), a water inlet pipeline (11), a water outlet pipeline (12) and a flushing connecting port (13); the top cover (10) is detachably covered on the shell (9), and the water outlet pipeline (12) and the electrode binding post (8) respectively penetrate through the top cover (10);
the flushing assembly (3) comprises an automatic control valve (14) and a flushing water outlet (15) which are connected with each other;
the reaction electrode assembly (1) is arranged inside the reactor shell assembly (2); the controller (4) is respectively connected with the flushing connecting port (13) of the flushing assembly (3) and the automatic control valve (14), and meanwhile, the controller (4) is connected with the electrode binding post (8) of the reactor shell assembly (2);
the controller (4) controls the electrolysis current, voltage and electrode polarity conversion of the reaction electrode assembly (1); meanwhile, the opening or closing of an electromagnetic valve of the automatic control valve (14) is controlled, and the reaction electrode assembly (1) is backwashed by water flow;
the lower part of the shell (9) is communicated with the water inlet pipeline (11) and the flushing assembly (3);
the top cover (10) and the electrode binding post (8) are sealed in an insulating mode, and the water outlet pipeline (12) and the top cover (10) are sealed.
2. The drinking water electrolysis reactor with self-purification function according to claim 1, characterized in that: the controller (4) comprises a constant-current voltage-stabilizing direct-current power supply module (16), an electrode polarity conversion module (17) and a backwashing control module (18); the constant-current voltage-stabilizing direct-current power supply module (16) can supply power to the electrode polarity conversion module (17) according to the water quality condition; the electrode polarity conversion module (17) can freely control the electrode polarity of the reaction electrode assembly (1) according to preset time and simultaneously transmit a positive and negative conversion signal to the back washing control module (18); the back-washing control module (18) can control water flow to back wash the reaction electrode assembly (1) when the polarity of the electrodes of the reaction electrode assembly (1) is switched, and the time and frequency of the back washing can be freely set.
3. The drinking water electrolysis reactor with self-purification function according to claim 2, characterized in that: the constant-current voltage-stabilizing direct-current power supply module (16) can provide any value in the range of 0A-30A/-100V- + 100V-DC; the electrode polarity conversion time of the back washing is freely set and comprises any value within the range of 0-48 h.
4. The drinking water electrolysis reactor with self-purification function according to claim 1, characterized in that: the reaction electrode (5) is composed of one or more groups of electrode plates (19); each group of the electrode plates (19) are used in pairs in a staggered manner and are provided with a positive electrode and a negative electrode; the electrode plates (19) are supported, fixed, isolated and insulated by the electrode fixing blocks (7).
5. The drinking water electrolysis reactor with self-purification function according to claim 4, characterized in that: the reaction electrode (5) is composed of 2 groups of electrode plates (19).
6. The drinking water electrolysis reactor with self-purification function according to claim 4 or 5, characterized in that: the electrode plate (19) can be provided with holes which can be round, oval or polygonal.
7. The drinking water electrolysis reactor with self-purification function according to claim 6, characterized in that: the shape of the electrode plate (19) can be plate-shaped, and also can be a rod-shaped structure, a cylindrical structure, a net-shaped structure, a honeycomb-shaped structure or other structures which can increase the reaction contact area; the plate shape of the electrode plate (19) can also be a screen plate, a micro-porous plate or a multi-porous plate.
8. The drinking-water electrolysis reactor with self-purification function according to claim 4, 5 or 7, characterized in that: the electrode plate (19) is made of a titanium-based composite material, a noble metal material or a material with a titanium-based noble metal material coating layer.
9. The drinking water electrolysis reactor with self-purification function according to claim 8, characterized in that: the noble metal material is platinum, ruthenium or iridium.
10. The drinking-water electrolysis reactor with self-purification function according to claim 4, 5, 7 or 9, characterized in that: the reaction electrode (5) is connected with the electrode fixing seat (6) in a welding or inserting manner; the electrode fixing seat (6) is provided with a clamping groove which is correspondingly connected with the electrode plate (19); the electrode plate (19) is mutually insulated and electrically connected with the electrode binding post (8) through the clamping groove; the electrode fixing block (7) and the clamping groove are made of insulating materials.
11. The drinking water electrolysis reactor with self-purification function according to claim 10, characterized in that: the water outlet pipeline (12) is also connected with a section of water pipe or a movable joint; the reactor shell (9) is made of transparent polysulfone, UPVC, organic glass or metal materials.
12. The drinking-water electrolysis reactor with self-purification function according to claim 1, 2, 3, 4, 5, 7, 9 or 11, characterized in that: the water flow directions of the water inlet pipeline (11) and the water outlet pipeline (12) can be mutually exchanged, and water enters from the water outlet pipeline (12) and exits from the water inlet pipeline (11) in a counter-current water mode.
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| CN104628093A (en) * | 2015-02-16 | 2015-05-20 | 陕西长岭电子科技有限责任公司 | Drinking water electrolytic reactor with self-purifying function |
| CN107935161A (en) * | 2017-12-16 | 2018-04-20 | 傲自然成都生物科技有限公司 | A kind of bioelectrochemical system and purification method for purifying drinking water |
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