CN106830372A - Automatic cleaning-type device for electrochemical water preparation and its operation method - Google Patents
Automatic cleaning-type device for electrochemical water preparation and its operation method Download PDFInfo
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- CN106830372A CN106830372A CN201710151296.0A CN201710151296A CN106830372A CN 106830372 A CN106830372 A CN 106830372A CN 201710151296 A CN201710151296 A CN 201710151296A CN 106830372 A CN106830372 A CN 106830372A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000011282 treatment Methods 0.000 claims abstract description 58
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 230000008676 import Effects 0.000 claims description 15
- 238000011010 flushing procedure Methods 0.000 claims description 12
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 241000195493 Cryptophyta Species 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 230000005518 electrochemistry Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012993 chemical processing Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 230000006837 decompression Effects 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000370738 Chlorion Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
-
- 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
-
- 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
-
- 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
-
- 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
- C02F2001/46119—Cleaning the electrodes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Automatic cleaning-type device for electrochemical water preparation and its operation method, after the device includes being arranged on water circulating pump, can carry out bypass treatment to recirculated water, and it includes：Apparatus for electrochemical treatment, switch board and corresponding electrically operated valve, ball valve, pressure-reducing valve, flowmeter etc., switch board by detecting operating apparatus for electrochemical treatment yin, yang pole plate between electric current drop-out value or according to the data of operation duration as switch board self-cleaning signal input, realize running apparatus for electrochemical treatment and cleaning Based Intelligent Control；The device does not use mechanical doctor, in the case of without manual intervention, recirculated water can be processed with continuous-stable.
Description
Technical field
The present invention relates to a kind of recirculated water electrochemical treatments processing unit, more particularly to a kind of automatic cleaning-type electrochemistry
Water treatment facilities and its operation method.
Background technology
Recirculated cooling water continuous circulating and evaporating concentration in system, the concentration of carbonate is continuously increased with concentration, works as carbon
Hydrochlorate concentration exceedes its saturated concentration or flows through heat exchange temperature rising will generate incrustation scale influence heat exchange efficiency even blocking
Pipeline.
Bacterium and algae in recirculated cooling water are raised by the concentrating of nutrient, water temperature and the factor such as solar radiation is influenceed meeting
Breeding rapidly, microorganism secretion mucus produces glutinous mud reduction heat transfer efficiency, blocks water channel and causes microbiologic(al) corrosion.
Domestic overwhelming majority enterprise maintains water stabilization using dosing, periodically prevents to corrosion inhibiting and descaling agent is added in recirculated water
Only pipeline and heat transmission equipment corrosion and scaling, periodically add Biocidal algae-killing agent to prevent growth of bacterium algae etc., and this method is run into
This height, the organic phosphorus compound contained in the waste water of system pressure blowdown can be polluted and waste water resource to environment.
Electrochemical water treatment technology refers to the redox reaction using electrochemistry, by being applied to positive and negative electrode between it is certain
DC voltage produce direct current, make water cathodic reduction be OH-, OH-The basicity and hardness balance of ion damaged negative electrode, make
HCO in solution3 -It is converted into CO3 2-With the Ca in recirculated water2+And Mg2+Reaction generation CaCO3And Mg (OH)2Deng precipitation.In addition
Ca2+And Mg2+Also the carrying out of this reaction can be accelerated to cathodic migration in the presence of electrostatic attraction, so as to reduce water body hardness.
The chlorion in the water of anode region is oxidized to chlorine, hypochlorous acid, hypochlorite simultaneously, realizes sterilization algae removal.
Negative electrode fouling is processed using mechanical doctor more than existing electrochemical processing apparatus, or use sets electrochemical treatments
Purchase to be taken out after certain hour in circulating water pool and cleared up, both modes all have some drawbacks, the former, mechanical doctor
Easily damage electrode surface and with the continuous generation fluctuation of service of abrasion, the latter cannot realize continuous and steady operation.
In addition, the judgment mode whether existing electrochemical processing apparatus should be cleared up battery lead plate is complicated, electrode is hardened
Dirt needs cleaning, and most intuitively performance is that electric current declines, and judgement electrode is combined by the drop-out value of electric current and with operation duration
The time point of plate cleaning is the simplest, reasonable.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provide a kind of automatic cleaning-type device for electrochemical water preparation and
Its operation method, can realize scale removal and the sterilization algae removal of recirculated water in the case where chemical agent is not used, and not use
Mechanical doctor and continuous and steady operation is realized in the case of being not required to manual cleaning.
To achieve the above objectives, the present invention is adopted the following technical scheme that：
Automatic cleaning-type device for electrochemical water preparation, including apparatus for electrochemical treatment 5, are arranged on apparatus for electrochemical treatment 5
The water inlet pipe 19 of side lower part, the outlet pipe 22 to side surface upper part, be arranged on the top of apparatus for electrochemical treatment 5 wash tub pipe 21,
The blow-off pipe 18 of bottom, the equal communication loop pond 2 of the other end of the water inlet pipe 19, outlet pipe 22 and wash tub pipe 21；Water inlet
Pipe 19 is connected in the outlet main pipe of water circulating pump 3, and recirculated water exports to apparatus for electrochemical treatment 5 and returns circulation from water circulating pump 3
Pond 2, forms circulation bypass treatment, while scale removal by treatment after recirculated water containing hypochlorous acid, hypochlorite return and follow
Ring pond, realizes the function of sterilization algae removal；
Also include the import motor-driven valve 10, flowmeter 9, inlet ball valve 8 and the pressure-reducing valve 7 that are successively set on water inlet pipe 19,
Inlet ball valve 8 takes into account the effect of regulation treatment water-carrying capacity, is arranged on outlet electric valve 14 and outlet electric valve on outlet pipe 22
Preceding ball valve 13, is arranged on the flushing motor-driven valve 12 on wash tub pipe 21 and rinses ball valve 11 before motor-driven valve, is arranged on blow-off pipe 18
On blowdown motor-driven valve 16 and blowdown motor-driven valve before ball valve 15；
Also include and import motor-driven valve 10, outlet electric valve 14, flushing motor-driven valve 12, blowdown motor-driven valve 16 and electrochemistry
The switch board 6 of positive plate 24 and minus plate 25 connection of processing unit 5.
The apparatus for electrochemical treatment 5 includes lower part box 17 and top seal lid 20, and the two is bolted, bottom
The bottom of casing 17 is funnel-form；The side wall of lower part box 17 has draw-in groove 23, and positive plate 24 and minus plate 25 are fixed with draw-in groove 23,
Positive plate 24 and the staggered parallel of minus plate 25 arrange that the pole plate of identical polar is connected with each other under last extraction by bolt and wire
Portion's casing 17 is connected with the constant voltage dc source in switch board 6.
The water inlet pipe 19 and outlet pipe 22 are main pipe-branch pipe type arrangement, and branch pipe is located in two adjacent electrode plates
Between；The wash tub pipe 21 at the top of top seal lid 20 is also main pipe-branch pipe type arrangement.
The positive plate 24 and minus plate 25 are netted plate electrode or plate electrode, and anode is platinized and titanized anode,
Negative electrode is Ti cathode or stainless steel cathode.
The lower part box 17 and top seal lid 20 of apparatus for electrochemical treatment 5 are stainless steel insulation liner coating.
The operation method of described automatic cleaning-type device for electrochemical water preparation, electrification is opened in operation by switch board 6
The import motor-driven valve 10 and outlet electric valve 14 of processing unit 5 are learned, is closed and is rinsed motor-driven valve 12 and blowdown motor-driven valve 16, monitoring fortune
Electric current during row between the positive plate 24 and minus plate 25 of apparatus for electrochemical treatment 5 drops relative to the electric current of initial current, when
Current reduction certain value or run time reach the self-cleaning that positive plate 24 and minus plate 25 are carried out after setting value, now, close
The import motor-driven valve 10 and outlet electric valve 14 of apparatus for electrochemical treatment 5 are closed, apparatus for electrochemical treatment is opened and is rinsed motor-driven valve 12
And blowdown motor-driven valve 16, switching constant voltage dc source both positive and negative polarity, voltage increases to 3 times of working voltage, the 5min of falling Electrode treatment
Afterwards, the flushing motor-driven valve 12 and blowdown motor-driven valve 16 of apparatus for electrochemical treatment 5 are closed, the import of apparatus for electrochemical treatment 5 is opened
Motor-driven valve 10 and outlet electric valve 14, constant voltage dc source both positive and negative polarity is switched back, and voltage is extensive to normal operating voltage is recovered
Multiple normal operation；Inlet ball valve 8 takes into account the effect of regulation treatment water-carrying capacity, before flushing motor-driven valve before ball valve 11, outlet electric valve
Before ball valve 13 and blowdown motor-driven valve standard-sized sheet is kept in the normal course of operation of ball valve 15.
Water inlet is set to 0.2Mpa by the pressure after pressure-reducing valve 7.
The invention has the advantages that：
1st, with the function to retarding circulating water scaling and sterilization, stable circulation water water quality improves recirculated water concentration rate, without
Come into operation medicament and blowdown, using water wisely.
2nd, equipment can realize the regulation voltage between yin, yang pole plate and treatment water-carrying capacity, and treating capacity is changed according to demand.
3rd, by flowing through pole plate between the drop-out value of electric current judge whether battery lead plate needs cleaning, and take operation into consideration
Time, directly perceived, accurate, easily realization.
4th, pole plate cleaning does not use mechanical doctor, effect is significant, steady to fall clean by way of electrode fouled electrodes plate
It is fixed.
5th, the present apparatus can realize fully automatic operation, switch in operation and cleaning model automatically, without manual operation, equipment
Simply, reliability is high.
Brief description of the drawings
Fig. 1 is the flow chart that the present invention is applied in circulation.
Fig. 2 is apparatus for electrochemical treatment agent structure schematic diagram of the present invention.
Fig. 3 is a kind of implementation schematic diagram that apparatus for electrochemical treatment of the present invention loads battery lead plate.
In Fig. 1：1 is circulating water cooling tower, and 4 is Heat Exchanger in Circulating Water System.
Specific embodiment：
As shown in Figure 1, Figure 2 and Figure 3, the automatic cleaning-type device for electrochemical water preparation of the present invention, after water circulating pump,
Bypass treatment, including apparatus for electrochemical treatment 5 can be carried out to recirculated water, entering for the side lower part of apparatus for electrochemical treatment 5 is arranged on
Water pipe 19, the outlet pipe 22 to side surface upper part, are arranged on the blowdown of the wash tub pipe 21, bottom at the top of apparatus for electrochemical treatment 5
Pipe 18, the equal communication loop pond 2 of the other end of the water inlet pipe 19, outlet pipe 22 and wash tub pipe 21；Water inlet pipe 19 is connected to and follows
In the outlet main pipe of ring water pump 3, recirculated water exports to apparatus for electrochemical treatment 5 and returns circulating water pool 2 from water circulating pump 3, is formed
Circulation bypass treatment, while scale removal by treatment after recirculated water containing hypochlorous acid, hypochlorite return to circulating water pool, realize
The function of sterilization algae removal；Also include the import motor-driven valve 10 being successively set on water inlet pipe 19, flowmeter 9, inlet ball valve 8 and subtract
Pressure valve 7, inlet ball valve 8 takes into account the effect of regulation treatment water-carrying capacity, the outlet electric valve 14 being arranged on outlet pipe 22 and outlet
Ball valve 13 before motor-driven valve, are arranged on the flushing motor-driven valve 12 on wash tub pipe 21 and rinse ball valve 11, the row of being arranged on before motor-driven valve
Ball valve 15 before blowdown motor-driven valve 16 and blowdown motor-driven valve on dirty pipe 18；Also include with import motor-driven valve 10, outlet electric valve 14,
Rinse the switch board of positive plate 24 and minus plate 25 connection of motor-driven valve 12, blowdown motor-driven valve 16 and apparatus for electrochemical treatment 5
6。
As shown in Figures 2 and 3, the apparatus for electrochemical treatment 5 includes lower part box 17 and top seal lid 20, and the two leads to
Bolt connection is crossed, the bottom of lower part box 17 is funnel-form；The side wall of lower part box 17 has draw-in groove 23, and anode is fixed with draw-in groove 23
Plate 24 and minus plate 25, positive plate 24 and the staggered parallel of minus plate 25 arrange that the pole plate of identical polar passes through bolt and wire phase
The last lower part box 17 of drawing that connects is connected with the constant voltage dc source in switch board 6.
Used as the preferred embodiment of the present invention, the water inlet pipe 19 and outlet pipe 22 are main pipe-branch pipe type arrangement,
Branch pipe is located in the middle of two adjacent electrode plates；The wash tub pipe 21 at the top of top seal lid 20 is also main pipe-branch pipe type cloth
Put.Main pipe-branch pipe type arrangement ensure that the current for flowing through every electrode plate when main pipe-branch pipe type arrangement is advantageous in that operation
Stable homogeneous, main pipe-branch pipe type arrangement ensure that to the uniform comprehensive of battery lead plate flushing during automatic cleaning.
Used as the preferred embodiment of the present invention, the positive plate 24 and minus plate 25 are netted plate electrode or flat board
Formula electrode, anode is platinized and titanized anode, and negative electrode is Ti cathode or stainless steel cathode.
Used as the preferred embodiment of the present invention, the lower part box 17 and top seal lid 20 of apparatus for electrochemical treatment 5 are
Stainless steel insulation liner coating, so not only ensure that the firm stable of device but also short circuit between preventing yin, yang battery lead plate.
The operation method of automatic cleaning-type device for electrochemical water preparation of the invention, electrification is opened in operation by switch board 6
The import motor-driven valve 10 and outlet electric valve 14 of processing unit 5 are learned, is closed and is rinsed motor-driven valve 12 and blowdown motor-driven valve 16, monitoring fortune
Electric current during row between the positive plate 24 and minus plate 25 of apparatus for electrochemical treatment 5 drops relative to the electric current of initial current, when
Current reduction 1A or run time reach the self-cleaning that positive plate 24 and minus plate 25 are carried out after 36h, now, close electrochemistry
The import motor-driven valve 10 and outlet electric valve 14 of processing unit 5, open apparatus for electrochemical treatment and rinse motor-driven valve 12 and blowdown electricity
Dynamic valve 16, switches constant voltage dc source both positive and negative polarity, and voltage increases to 3 times of working voltage, after the 5min of falling Electrode treatment, closes electricity
The flushing motor-driven valve 12 and blowdown motor-driven valve 16 of chemical processing device 5, open apparatus for electrochemical treatment 5 import motor-driven valve 10 and
Outlet electric valve 14, constant voltage dc source both positive and negative polarity is switched back, and voltage recovers normal fortune to normal operating voltage is recovered
OK；Inlet ball valve 8 takes into account the effect of regulation treatment water-carrying capacity, the and of ball valve 13 before ball valve 11, outlet electric valve before flushing motor-driven valve
Before blowdown motor-driven valve standard-sized sheet is kept in the normal course of operation of ball valve 15.High current density causes electricity at double the short time after electrode
The bubble that polar board surface is produced increases suddenly, and the dirty layer that the mechanical force that a large amount of bubbles are produced causes electrode surface loose is quickly shelled
Fall；Additionally, electrode surface is changed into sour environment from original operating alkaline environment after electrode, the peeling of dirt is promoted.
Used as the preferred embodiment of the present invention, water inlet is set to 0.15~0.2Mpa by the pressure after pressure-reducing valve 7, so
Both the pressure needed for having ensure that water process is also beneficial to the sealing of equipment.
Claims (7)
1. automatic cleaning-type device for electrochemical water preparation, it is characterised in that：Including apparatus for electrochemical treatment (5), electrification is arranged on
The water inlet pipe (19), the outlet pipe (22) to side surface upper part of processing unit (5) side lower part are learned, apparatus for electrochemical treatment is arranged on
(5) blow-off pipe (18) of wash tub pipe (21), bottom at the top of, the water inlet pipe (19), outlet pipe (22) and wash tub pipe
(21) the equal communication loop pond (2) of the other end；Water inlet pipe (19) is connected in water circulating pump (3) outlet main pipe, and recirculated water is from following
Ring water pump (3) exports to apparatus for electrochemical treatment (5) and returns circulating water pool (2), circulation bypass treatment is formed, while scale removal
The recirculated water containing hypochlorous acid, hypochlorite after by treatment returns to circulating water pool, realizes the function of sterilization algae removal；
Also include the import motor-driven valve (10), flowmeter (9), inlet ball valve (8) and the decompression that are successively set on water inlet pipe (19)
Valve (7), inlet ball valve (8) takes into account the effect of regulation treatment water-carrying capacity, is arranged on the outlet electric valve (14) on outlet pipe (22)
With ball valve before outlet electric valve (13), ball valve before the flushing motor-driven valve (12) being arranged on wash tub pipe (21) and flushing motor-driven valve
(11), it is arranged on ball valve (15) before blowdown motor-driven valve (16) and blowdown motor-driven valve on blow-off pipe (18)；
Also include and import motor-driven valve (10), outlet electric valve (14), flushing motor-driven valve (12), blowdown motor-driven valve (16) and electricity
The switch board (6) of positive plate (24) and minus plate (25) connection of chemical processing device (5).
2. automatic cleaning-type device for electrochemical water preparation according to claim 1, it is characterised in that：The electrochemical treatments
Device (5) includes lower part box (17) and top seal lid (20), and the two is bolted, and the bottom of lower part box (17) is
Funnel-form；Lower part box (17) side wall has draw-in groove (23), and positive plate (24) and minus plate (25), anode are fixed with draw-in groove (23)
Plate (24) and minus plate (25) staggered parallel arrange that the pole plate of identical polar is connected with each other under last extraction by bolt and wire
Portion's casing (17) is connected with the constant voltage dc source in switch board (6).
3. automatic cleaning-type device for electrochemical water preparation according to claim 2, it is characterised in that：The water inlet pipe (19)
Main pipe-branch pipe type arrangement is with outlet pipe (22), branch pipe is located in the middle of two adjacent electrode plates；Top seal lid (20)
The wash tub pipe (21) at top is also main pipe-branch pipe type arrangement.
4. automatic cleaning-type device for electrochemical water preparation according to claim 2, it is characterised in that：The positive plate (24)
It is netted plate electrode or plate electrode with minus plate (25), anode is platinized and titanized anode, and negative electrode is for Ti cathode or not
Rust steel negative electrode.
5. automatic cleaning-type device for electrochemical water preparation according to claim 2, it is characterised in that：Apparatus for electrochemical treatment
(5) lower part box (17) and top seal lid (20) is stainless steel insulation liner coating.
6. the operation method of the automatic cleaning-type device for electrochemical water preparation described in any one of claim 1 to 5, its feature exists
In：The import motor-driven valve (10) and outlet electric valve (14) of apparatus for electrochemical treatment (5) are opened in operation by switch board (6),
Close and rinse motor-driven valve (12) and blowdown motor-driven valve (16), the positive plate of apparatus for electrochemical treatment (5) in monitoring running
(24) electric current and between minus plate (25) drops relative to the electric current of initial current, when current reduction certain value or run time reach
The self-cleaning of positive plate (24) and minus plate (25) is carried out after to setting value, now, the import of apparatus for electrochemical treatment (5) is closed
Motor-driven valve (10) and outlet electric valve (14), open apparatus for electrochemical treatment and rinse motor-driven valve (12) and blowdown motor-driven valve (16),
Switching constant voltage dc source both positive and negative polarity, voltage increases to 3 times of working voltage, after the 5min of falling Electrode treatment, closes at electrochemistry
The flushing motor-driven valve (12) and blowdown motor-driven valve (16) of reason device (5), open the import motor-driven valve of apparatus for electrochemical treatment (5)
(10) and outlet electric valve (14), constant voltage dc source both positive and negative polarity is switched back, voltage recovers to normal operating voltage is recovered
Normal operation；Inlet ball valve (8) takes into account the effect of regulation treatment water-carrying capacity, rinses ball valve (11), outlet electric valve before motor-driven valve
Before preceding ball valve (13) and blowdown motor-driven valve standard-sized sheet is kept in ball valve (15) normal course of operation.
7. operation method according to claim 6, it is characterised in that：Water inlet is set to by the pressure after pressure-reducing valve (7)
0.2Mpa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151296.0A CN106830372A (en) | 2017-03-14 | 2017-03-14 | Automatic cleaning-type device for electrochemical water preparation and its operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108609747A (en) * | 2018-06-27 | 2018-10-02 | 武汉工程大学 | A kind of automatic electric Water Treatment and apparatus for eliminating sludge and method |
| CN109775815A (en) * | 2019-03-18 | 2019-05-21 | 江南大学 | A kind of high-efficiency electrochemical device and its implementation for wastewater treatment |
| CN110182974A (en) * | 2019-06-21 | 2019-08-30 | 中国华能集团有限公司 | A kind of automatically cleaning immersion device for electrochemical water preparation and its operation method |
| CN110386643A (en) * | 2018-04-18 | 2019-10-29 | 北京奥博水处理有限责任公司 | A kind of online self-cleaning electrochemical appliance |
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