CN106061904A - Electrolysis system - Google Patents
Electrolysis system Download PDFInfo
- Publication number
- CN106061904A CN106061904A CN201580011684.8A CN201580011684A CN106061904A CN 106061904 A CN106061904 A CN 106061904A CN 201580011684 A CN201580011684 A CN 201580011684A CN 106061904 A CN106061904 A CN 106061904A
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- Prior art keywords
- electrolysis
- regulating tank
- sea water
- liquid
- electrolysis system
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Classifications
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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
-
- 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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
Abstract
Provided is an electrolysis system (1) having: an electrolysis device (2), which has an electrolysis vessel (6), wherein a positive electrode and a negative electrode are accommodated for the electrodes, and which is for electrolysis of a fluid to be processed; a regulating tank (3) for temporarily retaining the fluid to be processed that is processed by the electrolysis device (2); a recycling line (10) for returning part of a retained fluid (R) that includes microparticles and a deposited substance wherein microparticles have been deposited and that has been retained in the regulating tank (3) to the electrolysis vessel (6); and a prevention means (18) for preventing sedimentation of the deposited substance in the regulating tank (3).
Description
Technical field
The present invention relates to the electrolysis system of a kind of electrolysis unit possessing and the liquid to be treated such as sea water being implemented electrolysis.
The Japan Patent Patent 2015-028499 CLAIM OF PRIORITY that the application filed an application according on February 17th, 2015,
And its content is quoted herein.
Background technology
Use the thermal power plants of sea water, atomic power plant, desalinization main equipment, chemistry large-scale in the past a large amount of
In equipment etc., its water inlet, pipe arrangement, condenser, various coolers etc. are numerous with the attachment of the algae of the part of contact with sea water, shellfish
Grow and become a big problem.
For solving this problem, it is proposed that propose by natural sea-water enforcement electrolysis is generated chlorinated soda (chlorine, secondary chlorine
Acid sodium) electrolysis system.This system suppresses halobiontic attached by injecting the electrolyte of chloride containing soda in water inlet
(for example, with reference to patent document 1).Generally, within the system, water can be produced because of composition of scales such as the magnesium ions in sea water
Dirt.
Having a kind of device described in patent documentation 1, it is in order to prevent from processing concomitantly at the electricity of electrolysis unit with electrolysis
Pole is adhered to incrustation scale and is supplied air in processed liquid.This device increases electrode by being blown into air in processed liquid
The flow velocity on surface also forms turbulent flow, thus improves the clean effect of electrode.
Prior art literature
Patent documentation
Patent documentation 1: No. 4932529 publication of Japanese Patent Laid
Summary of the invention
The problem that invention is to be solved
But, the system making the liquid to be treated discharged from electrolysis unit circulate regulating tank (circulating slot) exists can be in reality
The problem of the bottom precipitation incrustation scale of the electrolysis bath (electrode surface) executing electrolysis and the regulating tank temporarily storing liquid to be treated.
Remove precipitated incrustation scale, need the large-scale engineerings such as Pickling Engineering, there is the operating that can make electrolysis system
The problem that cost increases.
Present invention aim at, it is provided that a kind of electrolysis being prevented from separating out material (incrustation scale) at the bottom precipitation of regulating tank
System.
Technical scheme
According to the 1st aspect of the present invention, electrolysis system is characterised by, has: electrolysis unit, and it has as electrode
House anode and the electrolysis bath of negative electrode, and be electrolysed liquid to be treated;Regulating tank, it temporarily stores after being processed by described electrolysis unit
Liquid to be treated;Recirculating line, it makes to be stored in described regulating tank and containing microgranule with by the precipitation of described microgranule precipitation
The part storing liquid of material returns described electrolysis bath;And prevention unit, it prevents described precipitation material at described regulating tank
Middle precipitation.
According to said structure, it is possible to prevent the bottom precipitation at regulating tank from separating out material by prevention unit.
Additionally, by making storage liquid return electrolysis bath, store what microgranule companion contained in liquid generated at the electrode surface
Precipitation material departs from.Accumulate thereby, it is possible to prevent separating out material at electrode surface.That is, institute in the storage liquid of electrolysis bath is returned to
The microgranule contained plays a role as seed crystal such that it is able to suppression separates out material and grows at electrode surface.
Additionally, by making calcium carbonate, the magnesium hydroxide etc. that separate out because the pH of liquid to be treated rises along with electrolysis separate out
Material separates out on the surface of the microgranule (seed crystal) separating from electrode surface and being suspended in liquid, it is possible to prevent from separating out material at the moon
Separate out on surface, pole.
In above-mentioned electrolysis system, described prevention unit can have the discharge pipe discharged by liquid to described regulating tank.
According to said structure, by discharge pipe injection liquid, thus the storage liquid in stirring and adjusting groove.Thereby, it is possible to carry
Height prevents from separating out the effect of material at the bottom precipitation of regulating tank.
In above-mentioned electrolysis system, described discharge pipe can produce in the described storage liquid be stored in described regulating tank
The direction of eddy flow is discharged.
According to said structure, store precipitation material contained in liquid by stably stirring, it is possible to increase prevent in regulation
The bottom precipitation of groove separates out the effect of material.
In above-mentioned electrolysis system, described prevention unit can be that the air type with wall material and air supply unit stirs
Mixing device, wherein, this wall material upwardly extends at the upper and lower of described regulating tank and is divided into the inside of described regulating tank
Riser portions and falling portion, this air supply unit supplies air to the bottom of described riser portions.
According to said structure, it is possible to obtained stirring and the dispersion effect storing liquid by the gas explosion power of air.Thus, energy
Enough raisings prevent from separating out the effect of material at the bottom precipitation of regulating tank.
In above-mentioned electrolysis system, described prevention unit can be mechanically to stir the described storage in described regulating tank
The mechanical type agitating device of liquid.
According to said structure, action of forced stirring stores liquid.The bottom precipitation precipitate at regulating tank is prevented thereby, it is possible to improve
The effect of matter.
In above-mentioned electrolysis system, described anode can be by the titanium coated coating material containing yttrium oxide.
According to said structure, even being entered by the coating material of the titanium yttrium oxide to easily adhering to manganese incrustation scale during containing electrolysis
The anode that row is coating, it is also possible to suppression separates out material and grows at electrode surface.
In above-mentioned electrolysis system, it is also possible to have: filling line, it supplies from described recirculation pipe road direction determined location
Partial electrolyte liquid;Sea water supply pipeline, it supplies sea water to described regulating tank;And distribution pipeline, it is by described sea water supply
A part for the sea water of pipeline shunts to described filling line.
According to said structure, it is possible to inject sea water via distribution pipeline, thus accelerate the flow velocity of filling line.Thus, i.e.
Make at the distance of filling line and in the case of being in and separating out the state that material easily separates out, it is also possible to prevent because of filling line
Flow reduce and cause precipitation material buildup.
Beneficial effect
In accordance with the invention it is possible to prevent the bottom precipitation at regulating tank from separating out material.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the summary of the electrolysis system of the first embodiment illustrating the present invention.
Fig. 2 is the profilograph of the summary of the electrolysis bath of the electrolysis unit illustrating the first embodiment constituting the present invention.
Fig. 3 is the schematic diagram of the top observation of the regulating tank of the first embodiment from the present invention.
Fig. 4 is the schematic diagram of the summary of the electrolysis system illustrating second embodiment of the present invention.
Fig. 5 is the schematic diagram of the summary of the electrolysis system illustrating third embodiment of the present invention.
Fig. 6 is the schematic diagram of the summary of the electrolysis system of the 4th embodiment illustrating the present invention.
Fig. 7 is the axonometric chart of the regulating tank of the electrolysis system of the 5th embodiment of the present invention.
Detailed description of the invention
(the first embodiment)
Below, the first embodiment that present invention will be described in detail with reference to the accompanying.
Fig. 1 is the schematic diagram of the summary illustrating the electrolysis system 1 involved by present embodiment.The electrolysis system of present embodiment
System 1 is the system being produced the electrolyte E containing chlorinated soda (chlorine, sodium hypochlorite) by liquid to be treated such as electrolytic seawater W.
The electrolysis system 1 of present embodiment by the electrolyte E containing chlorinated soda via filling line 13 such as to firepower
With atomic power plant, desalinization main equipment, chemistry main equipment, the cooling device of the ironmaking main equipment such as main equipment
Pipe arrangement, the determined location such as the nitrogen treatment trough supply that stores for the draining containing nitrogen.
Electrolysis system 1 has the sea water supply pump 5 of the sea water W needed for importing electrolysis, temporarily storage and is processed by electrolysis unit 2
After the regulating tank 3 of electrolyte E (sea water W), electrolysis unit 2, make ring-type recirculating line 10 that electrolyte E circulates and by edge
The electrolyte E of recirculating line 10 circulation injects the filling line 13 of the pipe arrangement of such as main equipment.
Recirculating line 10 is made up of the first recirculating line 11 and the second recirculating line 12.
Regulating tank 3 be store along system circulation electrolyte E and from sea water supply pump 5 supply sea water W have round-ended cylinder
The groove of shape.Regulating tank 3 has the fan (not shown) relative to the gas phase of regulating tank 3 supply air.The shape of regulating tank 3 is also
It is not limited to round-ended cylinder shape, it is also possible to be rectangular shape.
Electrolysis unit 2 is the device of the midway electrolytic seawater W at recirculating line 10.Electrolysis unit 2 has electrolysis bath 6 He
Continuous-current plant 7 (commutator).Electrolysis unit 2 is by sea water W is electrolysed the device generating chlorinated soda.
As in figure 2 it is shown, electrolysis bath 6 is made up of electrode supporting case 26, terminal board 28 and multiple electrode 30.Electrolysis bath 6 conduct
Electrode 30 contains anode A and negative electrode K.Electrolysis bath 6 have to the inside of electrolysis bath 6 import electrolyte E inflow entrance 15 and from
The flow export 16 of electrolyte E is discharged in the inside of electrolysis bath 6.
The electrode 30 that terminal board 28 has in being supported on electrode supporting case 26 supplies from the electric current outside electrolysis bath 6
Effect.Terminal board 28 is respectively configured with one at the two ends of electrode supporting case 26.
Electrode 30 becomes tabular, and fixing support on the support bar 26a of electrode supporting case 26 with ordered state has multiple.At this
In embodiment, as this electrode 30, use bipolar electrode plate 31, positive plate 32 and minus plate 33 these three.
Bipolar electrode plate 31 is configured to, and divides the titanium-base as electrode base board equally, one side is set to anode A, by another
Side is set to negative electrode K.That is, the half region of the end side of bipolar electrode plate 31 is set to surface and has been coated to the painting containing yttrium oxide
Covering the anode A of material (coating material based on yttrium oxide), the half field of another side is set to surface and is not coated to
The negative electrode K of the above-mentioned coating material based on yttrium oxide.
It is the coating material of main body coated with yttrium oxide that positive plate 32 is configured on the whole surface of titanium-base.Positive plate 32
Entirety plays a role as anode A during electrolysis.As minus plate 33, use the titanium-base that coating is not carried out.Minus plate 33 is whole
Body plays a role as negative electrode K during electrolysis.
Next the arrangement architecture of three kinds of electrodes 30 in explanation electrode supporting case 26.Bipolar electrode plate 31, positive plate 32
And the support bar 26a that minus plate 33 is fixedly supported in electrode supporting case 26 respectively.
As in figure 2 it is shown, the multiple bipolar electrode plate 31 in electrode 30 are so that anode A towards side, liquid inlet and makes negative electrode K
Arrange towards the mode of liquid outlet side.Multiple bipolar electrode plate 31 with the bearing of trend of bipolar electrode plate 31 along sea water W's
The mode of circulating direction arranges.Multiple bipolar electrode plate 31 are by arranged in series, structure at intervals on the circulating direction of sea water W
Become electrode group M.Electrode group M is provided with multiple in the way of being parallel to each other at intervals.Multiple electrode group M settings parallel with one another.
Continuous-current plant 7 is supplied with the device of the electric current of electrolysis sea water W.As continuous-current plant 7, such as can
Use the structure possessing DC source and constant-current control circuit.DC source be export galvanic power supply, can be such as by
It is the structure that direct current carries out exporting from the AC rectification of alternating current power supply output.
Sea water supply pump 5 and regulating tank 3 are connected by sea water supply pipeline 4.Use can be set in sea water supply pipeline 4
In the filter preventing the foreign body hindering electrolysis to be mixed into.
The inflow entrance 15 of regulating tank 3 and electrolysis bath 6 is connected by the first recirculating line 11.That is, the electrolysis in regulating tank 3
A part of liquid E (storing liquid R) is imported into electrolysis bath 6 via the first recirculating line 11.First recirculating line 11 sets
It is equipped with injection pump 17.Injection pump 17 is to be supplied to regulating tank 3 by the electrolyte E of circulation and electrolyte E is defeated to filling line 13
The pump sent.
Second recirculating line 12 is flow export 16 and the pipeline of regulating tank 3 connecting electrolysis bath 6.That is, by electrolysis unit 2
The electrolyte E generated is imported into regulating tank 3 via the second recirculating line 12.
End of downstream side at filling line 13 is provided with injection nozzle (not shown).By arranging injection nozzle, it is possible to
The chlorinated soda generated by electrolysis unit 2 is made to spread to the pipe arrangement of equipment efficiently.
It is provided with electrolyte E to regulation at the second recirculating line 12 of present embodiment and the connecting portion of regulating tank 3
The discharge pipe 18 discharged in groove 3.In other words, circulate along recirculating line 10 and be supplied to the electrolyte E of regulating tank 3 via row
Go out pipe 18 to discharge to the storage liquid R being stored in regulating tank 3.
Discharge pipe 18 is tubular part, and the storage liquid R in making regulating tank 3 is configured in the way of producing eddy flow.Such as Fig. 3 institute
Showing, discharge pipe 18 is oriented, and the electrolyte E discharged time viewed from above is by quilt in the way of the outer peripheral face 3a of regulating tank 3
Discharge.In other words, discharge pipe 18 by the bearing of trend of discharge pipe 18 along in the way of the tangential direction of the outer peripheral face 3a of regulating tank 3
(tangentially) configuration.
Next the effect of the electrolysis system 1 of explanation present embodiment.
First, sea water W is imported into regulating tank 3 via sea water supply pipeline 4.Sea water W be imported into the first recirculating line 11,
Electrolysis bath 6 and the second recirculating line 12, be circulated.In this operation, sea water W returns via the first recirculating line 11
Electrolysis bath 6.Thus, the electrode 30 (negative electrode K and anode A) in electrolysis bath 6 is impregnated in sea water W.
Additionally, the electrolyte E being circulated from the second recirculating line 12 via discharge pipe 18 to the storage in regulating tank 3
Liquid R discharges.
Circulate in electric current sea water W between electrode 30, thus sea water W is implemented electrolysis.
That is, in anode A, as shown in following (1) formula, the chloride ion from sea water W seizes electronics e, aoxidizes, raw
Become chlorine.
2Cl-→Cl2+2e-…(1)
On the other hand, at negative electrode K, as shown in following (2) formula, the water in sea water W gives electronics, reduces, and generates
Hydroxide ion and hydrogen.
2H2O+2e-→20H-+H2…(2)
Additionally, as shown in following (3) formula, the hydroxide ion generated at negative electrode K reacts with the sodium ion in sea water W, raw
Become sodium hydroxide.
2Na++2OH-→2NaOH…(3)
And then, as shown in (4) formula, sodium hydroxide and chlorine reaction, thus generate hypochlorous acid, sodium chloride and water.
Cl2+2NaOH→NaClO+NaCl+H2O…(4)
Thus, electrolysis based on sea water W, generate the attachment to ocean product and there is the sodium hypochlorite of inhibition.
Due to the chloride ion concentration of sea water W more a height of 30,000~40,000mg/l, the therefore concentration of sodium hypochlorite
It is preferably set to 500~5,000ppm.
Herein, it is however generally that, sea water W, return in the electrolyte E of electrolysis bath 6 and (make incrustation scale, incrustation scale block containing composition of scale
The microgranule separated out, the microgranule played a role as the seed crystal making incrustation scale separate out), such as magnesium ion (Mg2+), calcium ion (Ca2+)、
Manganese ion (Mn2+), silicic acid ([SiOx(OH)4-2x]n)。
Additionally, it is said that in general, the coating material being coated to based on yttrium oxide anode A in electrolysis time can adhere to because of
Manganese ion contained in sea water W and the precipitation material i.e. manganese incrustation scale that produces.The attachment of manganese incrustation scale can make the consumption of anode A add
Play, and then make the catalyst activity on electrode 30 surface reduce, and cause the formation efficiency of chlorine to reduce.Can adhere to because of sea at negative electrode K
Magnesium, calcium contained in water W and the incrustation scale that produces, incrustation scale also results in the consumption aggravation of electrode 30.
In the electrolysis system 1 of present embodiment, from the electrolyte E of the second recirculating line 12 circulation by discharge pipe 18
Eddy flow is produced in storing liquid R.This prevents electrolyte E and store precipitation of scales contained in liquid R.
That is, discharge pipe 18 plays a role as the prevention unit preventing precipitation of scales.
In the electrolysis system 1 of present embodiment, composition of scale contained in electrolyte E, incrustation scale are in company with at electrode 30 table
The incrustation scale generated on face departs from.That is, scale particles contained in the electrolyte E of inflow plays a role as seed crystal, makes electrode 30
Incrustation scale on surface departs from.Thus, incrustation scale can be suppressed to accumulate on electrode 30 surface.
Additionally, the pH of electrolyte E (hydrogen ion exponent) rises along with electrolysis, become high alkalinity, thus composition of scale
Separate out as the incrustation scale such as calcium hydroxide, magnesium hydroxide.
In the electrolysis system 1 of present embodiment, the electrolyte E containing composition of scale is returned electrolysis bath 6, thus carbonic acid
The incrustation scale such as calcium, magnesium hydroxide separates out on the surface of the composition of scale separating from electrode 30 and being suspended in liquid.Thereby, it is possible to it is anti-
Sealing dirt separates out on negative electrode K surface.
The sea water W being carried out electrolysis flows out from the flow export 16 of electrolysis bath 6 together as electrolyte E with hydrogen, via
Second recirculating line 12 is stored in regulating tank 3.In regulating tank 3, the hydrogen storage generated by cell reaction is in gas phase side.
Hydrogen, by after below supplying to the Dilution air of gas phase to explosion limit, is discharged.
The storage liquid R containing electrolyte E being stored in regulating tank 3 is imported into filling line 13 by injection pump 17, continues
And it is injected into the determined location such as the pipe arrangement of cooling device.That is, the electrolyte E containing chlorinated soda is by the operating of injection pump 17
It is injected into determined location via filling line 13.
According to above-mentioned embodiment, by containing to determined location injections such as the pipe arrangements of cooling device via filling line 13
The electrolyte E of chlorinated soda, it is possible to effectively suppress halobiontic attachment.
Moreover it is possible to remove nitrogen component contained from the nitrogenous effluent that main equipment is discharged via filling line 13.That is,
By injecting the electrolyte E containing chlorinated soda in the nitrogen treatment trough storing nitrogenous effluent, it is possible to remove contained by waste water
Nitrogen component.
Additionally, electrolyte E is discharged to regulating tank 3 via discharge pipe 18, thus the storage liquid R in regulating tank 3 produces
Raw eddy flow.It is possible to prevent the bottom precipitation incrustation scale at regulating tank 3.That is, by eddy flow, incrustation scale is made constantly to be suspended in storage liquid
In R.Thus, incrustation scale is difficult to be accumulated in the bottom of regulating tank 3, it is possible to alleviates incrustation scale and removes the burden of engineering, improves maintainability.
Additionally, return electrolysis bath 6 by liquid R will be stored, store composition of scale contained in liquid R in company with on electrode 30 surface
The incrustation scale of upper generation departs from.Thereby, it is possible to prevent incrustation scale from accumulating on electrode 30 surface.That is, the storage liquid R of electrolysis bath 6 is returned to
Scale particles contained by plays a role as seed crystal such that it is able to slow down electrode degradation.
Additionally, by preventing incrustation scale in the accumulation on electrode 30 surface, it is possible to suppression decomposition voltage rises the (evil of consumption rate
Change).
Furthermore it is possible to prevent from, because electrode 30 is electrically short-circuited to each other generation spark, improving safety.
Additionally, by making the incrustation scales such as the calcium carbonate separated out because the pH of electrolyte E rises along with electrolysis, magnesium hydroxide exist
The surface separating and being suspended in the scale particles (seed crystal) liquid from electrode 30 surface separates out, it is possible to prevent incrustation scale at negative electrode table
Separate out on face.
Even additionally, by titanium the coating material of yttrium oxide easily adhering to manganese incrustation scale during containing electrolysis carried out coating and
The anode A become, also can suppress incrustation scale in the superficial growth of electrode 30.
Additionally, dirty substance (NH contained in sea water W3, COD etc.) by chlorinated soda oxidation Decomposition such that it is able to prevent
The electrode degradation produced in the oxidation of electrode 30 (anode A) place because of dirty substance.
It addition, in the above-described embodiment, it is configured to discharge electrolyte E by discharge pipe 18, but is not limited thereto.Example
As, it is configured to be discharged by the sea water W supplied via sea water supply pump 5 by discharge pipe 18.That is, as long as can make to be stored in
Storage liquid R in regulating tank 3 produces eddy flow.
(the second embodiment)
The electrolysis system 1B of second embodiment of the present invention is described below according to accompanying drawing.It addition, weight in present embodiment
The part that some explanation is different from above-mentioned first embodiment, and omit the explanation to same section.
As shown in Figure 4, in the regulating tank 3 of the electrolysis system 1B of present embodiment, the discharge of the first embodiment is replaced
Pipe 18, the mechanical type agitating device 20 of the storage liquid R being provided with in mechanical agitation regulating tank 3.Mechanical type agitating device 20 be with
Discharge pipe 18 is prevented from the prevention unit of precipitation of scales.
Mechanical type agitating device 20 has motor 21 and propeller 22, and wherein, this motor 21 has output shaft, this propeller
On 22 output shafts being arranged at motor 21.
By making mechanical type agitating device 20 operate, the storage liquid R that action of forced stirring is stored in regulating tank 3.In other words, storage
The water that composition of scale (microgranule) contained by being stored in the electrolyte E of regulating tank 3, incrustation scale are formed by mechanical type agitating device 20
Stream carries, and will not precipitate.
According to above-mentioned embodiment, by using mechanical type agitating device 20, action of forced stirring is stored in the storage in regulating tank 3
Liquid storage R.It is possible to prevent the bottom precipitation incrustation scale at regulating tank 3.
(the 3rd embodiment)
The electrolysis system 1C of third embodiment of the present invention is described below according to accompanying drawing.
As it is shown in figure 5, in the regulating tank 3 of the electrolysis system 1C of present embodiment, replace the discharge of the first embodiment
Pipe 18, is provided with air type agitating device 34.Air type agitating device 34 have be positioned at regulating tank 3 wall material 36 and to
Store the air supply unit 35 of liquid R supply air.
Wall material 36 is the tabular upwardly extending at the upper and lower of regulating tank 3 and dividing the inside of regulating tank 3
Portion's material.Wall material 36 be between the bottom of the lower end of wall material 36 and regulating tank 3 and the upper end of wall material 36 and
Store the size producing specified gap between the liquid level of liquid R.
Air supply unit 35 is the device to the bottom of the side space divided by wall material 36 supply air.Air supplies
Have to portion 35 and make air boosting become the aerator (not shown) of pressurized air and by pressurized air supply to the spray storing liquid R
Mouth 37.
Nozzle 37, in storing liquid R, supplies air to the bottom of the side space divided by wall material 36.Via nozzle
37 supply pressurized airs, so that a side space becomes the riser portions 38 that air rises from bottom.Pressurized air rises from top
To outside loss.Therefore, in the space (falling portion 39) of the opposing party almost without air.Because of riser portions 38 and the storage of falling portion 39
The difference of the density of liquid storage R, the storage liquid R in regulating tank 3 circulates between riser portions 38 and falling portion 39.
According to above-mentioned embodiment, it is possible to obtained stirring and the dispersion effect storing liquid R by the gas explosion power of air.
Additionally, use air, improve dissolved oxygen (Dissolved Oxygen, DO) concentration, thus promote manganese ion, silicic acid
It is oxidizing to manganese dioxide (MnO2), silicon dioxide (SiO2) reaction, it is possible to prevent composition of scale on electrode 30 (anode A) surface
Upper precipitation incrustation scale.
Additionally, implement the gas explosion of air, improve the dissolved carbon dioxide (CO in electrolyte E (such as pH8.5)3 2+) concentration,
Promote the reaction that calcium ion separates out as calcium carbonate, it is possible to prevent composition of scale from separating out incrustation scale on electrode 30 (negative electrode K) surface.
(the 4th embodiment)
Below, the electrolysis system 1D of the 4th embodiment of the present invention is described with reference to the accompanying drawings.
As shown in Figure 6, between sea water supply pipeline 4 and the filling line 13 of the electrolysis system 1D of present embodiment, if
It is equipped with the distribution pipeline 41 (spare duct) for the sea water supplied by sea water supply pump 5 W being introduced directly into filling line 13.
That is, the sea water W flowed in coastal water supplying pipe road 4 can not be delivered to regulating tank 3 by the electrolysis system 1 of present embodiment, and direct
It is diverted to filling line 13.
Distribution pipeline 41 is provided with the sea water for being adjusted the flow of the sea water W flowed along distribution pipeline 41
Bypass flow adjusts valve 42.
According to above-mentioned embodiment, it is possible to inject sea water W via distribution pipeline 41, thus accelerate the stream of filling line 13
Speed.Thus, even if changing at the distance of filling line 13 and the pH of electrolyte and being in the state of easily precipitation incrustation scale
In the case of, it is also possible to the precipitation of suppression incrustation scale.I.e., it is possible to prevent the heap scaliness because the flow of filling line 13 reduces.Warp
The flow of the sea water W injected by distribution pipeline 41 can adjust valve 42 by operation sea water bypass flow and suitably adjust.
(the 5th embodiment)
The electrolysis system of the 5th embodiment of the present invention is described below according to accompanying drawing.It addition, emphasis in present embodiment
The part different from above-mentioned first embodiment is described, and omits the explanation to same section.
As it is shown in fig. 7, when observing above the regulating tank 3 of present embodiment, central part is provided with in vertical
The columnar structures 24 of the cylindrical shape of upper extension.Columnar structures 24 is configured to and has in the regulating tank 3 of round-ended cylinder shape
Mandrel is substantially coaxial.Near the central authorities of its eddy flow being formed at the storage liquid R formed by discharge pipe 18.
According to above-mentioned embodiment, it is possible to suppress the central part of the bottom 3b at regulating tank 3 to form incrustation scale block.
It addition, in the electrolysis system of present embodiment, in order to suppress the central part of the bottom 3b at regulating tank 3 to form water
Dirt block and be provided with columnar structures 24, but be not limited to that this.For example, it is possible to the central part of the bottom 3b at regulating tank 3
Form protuberance protruding upward and suppress the formation of incrustation scale block.
The shape of columnar structures 24 is not limited to cylinder, it is also possible to be set as prism shape.Moreover, it is not necessary to be real
The heart, it is also possible to be the inside barrel shape with hollow bulb.
Above, embodiments of the present invention are described in detail with reference to the attached drawings, but also can be without departing from the scope of the subject in the invention
Carry out structure interpolation, omit, replace and other change.Additionally, the present invention is not limited to embodiment, only it is defined in power
Profit requirement.
Symbol description
1,1B, 1C, 1D electrolysis system
2 electrolysis units
3 regulating tanks
3a outer peripheral face
Bottom 3b
4 sea water supply pipelines
5 sea water supply pumps
6 electrolysis baths
7 continuous-current plants
10 recirculating lines
11 first recirculating lines
12 second recirculating lines
13 filling lines
15 inflow entrances
16 flow exports
17 injection pumps
18 discharge pipes (prevention unit)
20 mechanical type agitating devices (prevention unit)
22 propellers
24 columnar structures
26 electrode supporting casees
30 electrodes
31 bipolar electrode plate
32 positive plates
33 minus plates
34 air type agitating devices (prevention unit)
35 air supply units
36 wall material
37 nozzles
38 riser portions
39 falling portion
41 distribution pipelines
42 sea water bypass flow regulation valves
A anode
E electrolyte
K negative electrode
M electrode group
R stores liquid
W sea water
Claims (7)
1. an electrolysis system, has: electrolysis unit, and described electrolysis unit has as electrode collecting anode and the electrolysis of negative electrode
Groove, and it is electrolysed liquid to be treated;
Regulating tank, described regulating tank temporarily stores the liquid to be treated after being processed by described electrolysis unit;
Recirculating line, described recirculating line makes be stored in described regulating tank and contain microgranule and formed by the precipitation of described microgranule
Separate out material store liquid a part return described electrolysis bath;
And prevention unit, described prevention unit prevents described precipitation material from precipitating in described regulating tank.
Electrolysis system the most according to claim 1, wherein, described prevention unit has discharges liquid to described regulating tank
Discharge pipe.
Electrolysis system the most according to claim 2, wherein, described discharge pipe is to being stored in the described storage of described regulating tank
The direction producing eddy flow in liquid storage is discharged.
Electrolysis system the most according to claim 1, wherein, described prevention unit is to have wall material and air supply unit
Air type agitating device, wherein, described wall material upwardly extends and by described regulating tank at the upper and lower of described regulating tank
Inside be divided into riser portions and falling portion, described air supply unit to the bottom of described riser portions supply air.
Electrolysis system the most according to claim 1, wherein, described prevention unit is mechanically to stir in described regulating tank
The mechanical type agitating device of described storage liquid.
6. according to the electrolysis system according to any one of claim 1 to claim 5, wherein, described anode is contained by titanium coated
The coating material having yttrium oxide forms.
7. according to the electrolysis system according to any one of claim 1 to claim 6, wherein, have: filling line, described
Filling line is from described recirculation pipe road direction determined location supply portion electrolyte;
Sea water supply pipeline, described sea water supply pipeline supplies sea water to described regulating tank;And
Distribution pipeline, a part for the sea water of described sea water supply pipeline is shunted by described distribution pipeline to described filling line.
Applications Claiming Priority (3)
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JP2015-028499 | 2015-02-17 | ||
JP2015028499A JP6344857B2 (en) | 2015-02-17 | 2015-02-17 | Electrolysis system |
PCT/JP2015/057942 WO2016132565A1 (en) | 2015-02-17 | 2015-03-17 | Electrolysis system |
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CN106061904A true CN106061904A (en) | 2016-10-26 |
CN106061904B CN106061904B (en) | 2020-03-17 |
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JP (1) | JP6344857B2 (en) |
KR (1) | KR101910262B1 (en) |
CN (1) | CN106061904B (en) |
MY (1) | MY188112A (en) |
SA (1) | SA516371888B1 (en) |
TW (1) | TWI564436B (en) |
WO (1) | WO2016132565A1 (en) |
Cited By (2)
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CN111448341A (en) * | 2018-11-16 | 2020-07-24 | 三菱重工环境·化学工程株式会社 | Vertical type electrolytic device |
CN114686913A (en) * | 2022-03-29 | 2022-07-01 | 嘉庚创新实验室 | Electrochemical reaction equipment and storage device thereof |
Families Citing this family (1)
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KR101965212B1 (en) * | 2019-01-23 | 2019-04-03 | 농업회사법인 주식회사 대율시스템 | Electrolysis apparatus |
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- 2015-03-17 KR KR1020167025574A patent/KR101910262B1/en active IP Right Grant
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2016
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CN111448341A (en) * | 2018-11-16 | 2020-07-24 | 三菱重工环境·化学工程株式会社 | Vertical type electrolytic device |
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CN114686913A (en) * | 2022-03-29 | 2022-07-01 | 嘉庚创新实验室 | Electrochemical reaction equipment and storage device thereof |
CN114686913B (en) * | 2022-03-29 | 2024-02-06 | 嘉庚创新实验室 | Electrochemical reaction equipment and storage device thereof |
Also Published As
Publication number | Publication date |
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MY188112A (en) | 2021-11-21 |
CN106061904B (en) | 2020-03-17 |
WO2016132565A1 (en) | 2016-08-25 |
KR20160124177A (en) | 2016-10-26 |
JP2016150298A (en) | 2016-08-22 |
KR101910262B1 (en) | 2018-10-19 |
JP6344857B2 (en) | 2018-06-20 |
TWI564436B (en) | 2017-01-01 |
TW201631221A (en) | 2016-09-01 |
SA516371888B1 (en) | 2019-09-05 |
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