CN105593171A - Micro-electrolysis device and control method, integrated water processing device and water processing method - Google Patents
Micro-electrolysis device and control method, integrated water processing device and water processing method Download PDFInfo
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- CN105593171A CN105593171A CN201480052478.7A CN201480052478A CN105593171A CN 105593171 A CN105593171 A CN 105593171A CN 201480052478 A CN201480052478 A CN 201480052478A CN 105593171 A CN105593171 A CN 105593171A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4602—Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
Abstract
The present invention provides a micro-electrolysis device, a control method thereof, and an integrated water processing device and a water processing method. The micro-electrolysis device comprises an anode assembly, a cathode assembly, a mounting groove, and a descaling assembly. The anode assembly and the cathode assembly are symmetrically mounted in the mounting groove. The descaling assembly is mounted on the anode assembly, the cathode assembly or the mounting groove. According to the micro-electrolysis device and the circulating cooling water processing method, an electrolysis technology is applied in circulating cooling water processing, no chemical agent needs to be added during the use, the investment is low, operations are simple, and the environmental problem occurring due to use of a chemical agent is avoided.
Description
Light electrolysis equipment and control method, integrated water treatment device and method for treating water technical field
The present invention relates to water treatment field, more particularly to a kind of light electrolysis equipment and its control method and integrated water treatment device and a kind of method for treating circulating cooling water of not dosing for circulating water cooling treatment.Background technology
The processing of existing industrial recirculated water is that chemical agent is put into recirculated water（Such as antisludging agent and Slow erosion agent）, come prevent the calcium ion in recirculated water in the duct fouling so that solve recirculated water in the duct fouling, corrosion the problems such as.The method of this input chemical agent needs substantial amounts of chemical agent, and substantial amounts of chemical agent can be polluted to environment, especially cause the eutrophication problem of water body.
Therefore it is the problem of those skilled in the art need solution to provide a kind of light electrolysis apparatus and method of the new circulating water cooling treatment without using chemical agent.The content of the invention
Above-mentioned in order to overcome the shortcomings of, it is an object of the invention to provide a kind of new light electrolysis equipment and a kind of new method for treating circulating cooling water.
Technical scheme is as follows：
A kind of ^：Electrolysis installation, including anode assemblies, cathode assembly, mounting groove and scale removal component, wherein the anode and cathode of the anode assemblies and cathode assembly is staggered installation of on the mounting groove；
The scale removal component is arranged on the anode assemblies or on the cathode assembly or on the mounting groove.
Wherein, the mounting groove includes first party flange, second party flange, the first cell body, the second cell body, inlet tube and outlet, the first party flange, second party flange, the first cell body and the second cell body form the framework of mounting groove, the two ends of first cell body and the second cell body are separately fixed on the first party flange and the second party flange, and the inlet tube and the outlet are symmetrically fixed on first cell body or the second cell body.
Preferably, the anode assemblies include anode steel plate, titanium plate, several positive plates, anode connection plate and gib block, the anode steel plate is parallel with the titanium plate to be fixedly connected, several described positive plates are fixed in the titanium plate, the gib block is provided with above and below the positive plate, parallel to each other between several described positive plates, the anode connection plate is fixed on the anode steel plate；The positive plate is vertical with the titanium plate.
Preferably, the cathode assembly includes negative electrode steel plate, several minus plates and cathode connection plate, and the minus plate is vertically fixed on the negative electrode steel plate, and the cathode connection plate is fixed on the negative electrode steel plate, between several described minus plates
It is arranged in parallel；The minus plate is vertical with the negative electrode steel plate.
Further, the die opening between the adjacent positive plate and the minus plate is less than 50mm.
Wherein, the scale removal component is scraper plate, and the scraper plate is used to handle the fouling on the cathode assembly.
Preferably, the light electrolysis equipment also includes cylinder, and the cylinder is fixedly connected with the cathode assembly, and cathode assembly extruding is fixed on the framework of the mounting groove by the cylinder, and the gas rainbow can drive the cathode assembly to move.
Preferably, the cathode assembly and the anode assemblies frame insulation respectively with the mounting groove and sealing.
Wherein, the scale removal component is ultrasonic oscillator；
The ultrasonic oscillator is arranged on the anode assemblies and/or the cathode assembly, and its generation ultrasonic wave direction is parallel with electrode surface during operation ultrasonic oscillator.
Preferably, set fluted on the negative electrode steel plate of the cathode assembly, the ultrasonic oscillator is arranged in the groove, the thickness of the bottom of the groove is 2mm to 3.5mm.
The present invention also provides a kind of control method of above-mentioned light electrolysis equipment, i.e., when the light electrolysis equipment reaches scale removal condition, light electrolysis equipment out of service, and carries out offline scale removal regeneration to the light electrolysis equipment.
Wherein, the scale removal condition is 60% of the thick die opening being more than between the minus plate and the positive plate of dirt on the minus plate of the cathode assembly..
Wherein, the scale removal condition is the scholar 4 of cycles of concentration K deflected areas 8 of recirculated water.
Wherein, the scale removal condition is more than 10kPa for the pipeline pressure drop Δ Ρ of light electrolysis equipment.
Wherein, the scale removal condition is increased beyond 500mV for the tank voltage V of light electrolysis equipment.
Accordingly, the present invention also provides a kind of integrated water treatment device, including presets described light electrolysis equipment；Also include power supply, control system, wealthy door and detection means；
The power supply is used for the ^：Electrolysis installation is powered；
The control system is connected with the wealthy door and detection means respectively, for the signal according to the detection means received and the operation of data message control program；
The inlet tube of the light electrolysis equipment is connected with circulating water inlet road, and the outlet of the light electrolysis equipment is connected with fresh water outlet conduit.
Wherein, the detection means includes dirty amount detecting device, and the dirty amount detecting device is used to detect the amount of scale buildup on the minus plate of the light electrolysis equipment.
Wherein, the detection means includes cycles of concentration detection means, and the cycles of concentration detection means is used for the cycles of concentration for detecting recirculated water.
Wherein, the control detection means includes pipeline pressure detection device, and the pipeline pressure detection device is used to detect described
The pipeline pressure of integrated water treatment device.
Wherein, the detection means includes tank voltage detection means, and the tank voltage detection means is used for the tank voltage for detecting the light electrolysis equipment.
Wherein, the wealthy door includes the wealthy door of recirculated water water inlet, the wealthy door of fresh water discharge and the wealthy door of waste liquid discharge；
Wherein described recirculated water intakes wealthy door on the circulating water inlet road, and the fresh water is discharged wealthy door and is arranged on the fresh water outlet conduit, and the waste liquid is discharged wealthy door and is arranged on waste liquid discharge line.
Wherein, the detection means also includes liquid level detection device；The liquid level detection device is used for the liquid level for detecting the light electrolysis equipment.
Wherein, it is additionally provided with flowmeter on the circulating water inlet road.
Wherein, the integrated water treatment device also includes electrolyte inlet filter, and the recirculated water enters back into the light electrolysis equipment after the electrolyte inlet filter process.
Wherein, the integrated water treatment device is mobile integral type, and the integrated water treatment device also includes base, the ^:Electrolysis installation power supply, control system, wealthy door and detection means are installed on the base.
The present invention also provides a kind of method for treating water for recirculated cooling water, using above-described light electrolysis equipment；Anode connection plate and cathode connection plate are connected respectively to the positive pole and negative pole of power supply when using, now recirculated cooling water enters light electrolysis equipment, light electrolysis equipment is flowed out after the electrolysis of light electrolysis equipment, after a period of time, the cathode surface of cathode assembly has certain thickness dirt, now light electrolysis equipment enters light electrolysis equipment after desmut step, scale removal and reruned.The beneficial effects of the invention are as follows：
(1) electrolysis tech is applied to Water Treatment in Circulating Cooling System by light electrolysis equipment of the invention and integrated water treatment device and method for treating circulating cooling water, chemical agent need not be added when using, input is low, it is simple to operate, it is to avoid the problem of environmental pollution occurred using chemical agent.
(2) cell construction of the invention uses square groove, and it is compared to circular cell body, can increase the cathode area of unit volume, and under the premise of identical amount of scale buildup, floor space is smaller.
03) cathode assembly of the invention is minus plate, negative electrode steel plate using stainless steel or carbon steel, the side plate of anode assemblies fixes titanium plate using carbon steel sheet or stainless steel plate inwall, positive plate also uses the titanium plate of corrosion resistance, because of titanium plate and stainless steel or carbon steel sheet welding difficulty, titanium plate is set using inwall, it is easy to be welded and fixed as the titanium plate on the positive plate and side plate of titanium matter, positive plate can also be using the anode titanium net for having many holes on positive plate, and the more preferable titanium plate of resistance to corrosion or titanium net outer application oxide, such as ruthenium-oxide；The gib block is provided with above and below the positive plate, distance is fixed between the setting of the gib block causes cathode-anode plate, it is ensured that be arranged in parallel between anode and cathode, and will not be because of current and the length of electrolysis
Phase influences to cause die opening change.
(4) light electrolysis equipment of the invention, its is simple in construction, and the scraper plate and ultrasound wave descaling effect of scale removal component are notable.Scraper plate scale removal is wherein used, descaling rate can reach more than 80%；Using ultrasound wave descaling, dirty below layer 30mm, scale removal 30min, descaling rate can also reach more than 80%.Brief description of the drawings
Fig. 1 is the overall schematic of the light electrolysis equipment of the present invention；
Fig. 2 is the schematic front view of the mounting groove of the light electrolysis equipment shown in Fig. 1；
Fig. 3 is the schematic side view of the mounting groove shown in Fig. 2；
Fig. 4 is the schematic front view of the anode assemblies of the light electrolysis equipment shown in Fig. 1；
Fig. 5 is the schematic side view of the anode assemblies shown in Fig. 4；
Fig. 6 is the schematic front view of the cathode assembly of the light electrolysis equipment shown in Fig. 1；
Fig. 7 is the schematic side view of the cathode assembly shown in Fig. 6；
Fig. 8 for the present invention in scraper plate one embodiment overall schematic；
Fig. 9 is the overall schematic of one embodiment of the integrated water treatment device of the present invention；
Figure 10 and Figure 11 is the curve map of embodiment 1.Embodiment
In order that the light electrolysis equipment and its control method and the object, technical solution and advantage of integrated water treatment device and method for treating circulating cooling water of the present invention are more clearly understood, below in conjunction with specific drawings and the specific embodiments, the present invention will be described in further detail.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
Referring to Fig. 1 to Fig. 7, the present invention provides a kind of light electrolysis equipment 1 for being mainly used in circulating water cooling treatment, including anode assemblies 100, cathode assembly 200, mounting groove 300 and scale removal component, anode and cathode in wherein described anode assemblies 100 and cathode assembly 200 is staggered installation of on the mounting groove 300, and the scale removal component is arranged on the anode assemblies or on the cathode assembly or on the mounting groove.
The light electrolysis equipment of the present embodiment mainly uses electrolysis tech processing cycle cooling water, wherein electric field is formed between anode assemblies and cathode assembly, by electrolysis the scale-forming ion in recirculated cooling water is deposited on cathode assembly, when fouling runs up to certain thickness, ^ after fouling is removed using scale removal component：Electrolysis installation can be continuing with.The light electrolysis equipment for recirculated cooling water of the present invention does not need dosing when using, and need to only be powered and can be used, it is adaptable to the water quality of various hardness, when using
Easy to operate, cost is low, environmentally safe.The light electrolysis equipment of the present invention can be used for the occasion that various calcium, magnesium for needing to remove in water etc. can generate the ion of solid sediment under electrolysis conditions.
Preferably, it is used as a kind of embodiment, referring to Fig. 2 and Fig. 3, the mounting groove 300 in this implementation includes first party flange 301, second party flange 302, first cell body 303, second cell body 304, inlet tube 305 and outlet 306, the first party flange 301, second party flange 302, the framework of first cell body 303 and the second cell body 304 formation mounting groove 300, the two ends of the cell body 304 of first cell body 303 and second are separately fixed on the first party flange 301 and the second party flange 302, the inlet tube 305 and the outlet 306 are symmetrically fixed on the cell body 304 of the first cell body 303 or second.The bottom of mounting groove in this implementation is additionally provided with waste liquid outlet 307, when light electrolysis equipment is run, and waste liquid outlet is closed.The framework of mounting groove in the present embodiment is quadra, and this is the convenience for manufacture, and the framework of variously-shaped mounting groove can be designed according to actual needs, as long as anode assemblies and cathode assembly can coordinate with the framework of mounting groove.The first cell body and the second cell body in the present embodiment can be fixed on first party flange or second party flange by the fixed form such as weld or be spirally connected, preferred weld.Inlet tube and outlet in the present embodiment are preferably infundibulate.
Preferably, it is used as a kind of embodiment, referring to Fig. 4 and Fig. 5, the anode assemblies 100 include anode steel plate 101, titanium plate 102, several positive plates 103, anode connection plate 104 and gib block 105, the anode steel plate 101 be arranged in parallel with the titanium plate 102, and the anode steel plate 101 is bolted to connection with the titanium plate 102, several described positive plates 103 are fixed by welding in the titanium plate 102, gib block 105 is provided with above and below the positive plate 103, it is be arranged in parallel between several described positive plates 103, the anode connection plate 104 is fixed on opposite side relative with the titanium plate 102 on the anode steel plate 101.Gib block 105 in the present embodiment can be fixed by bolt with positive plate.
Preferably, the vertical range between adjacent described two positive plates be 10mm to 80mm, it is optimal be 23mm.Preferably, the positive plate 103 is vertical with the titanium plate 102 or the positive plate 103 and the titanium plate 102 between at an angle.Wherein it is vertically arranged between preferred anodes plate and titanium plate, so convenient manufacture, and fixed effect is good.
Preferably, it is used as a kind of embodiment, referring to Fig. 6 and Fig. 7, the cathode assembly 200 includes negative electrode steel plate 201, several minus plates 202 and cathode connection plate 203, the minus plate 202 is vertically fixed on the negative electrode steel plate 201 by welding, the cathode connection plate 203 is fixed on the negative electrode steel plate 201, is be arranged in parallel between several described minus plates 202.Negative electrode steel plate and minus plate in the present embodiment are fixed together by welding, and cathode connection plate weld is on negative electrode steel plate.
Preferably, the vertical range between the adjacent minus plate 202 is 10mm to 80mm, preferably 21mm.Preferably, the minus plate 202 is vertical with the negative electrode steel plate 201 or the minus plate 202 and the negative electrode steel plate 201 between at an angle.Wherein preferred minus plate is vertical with negative electrode steel plate.
After anode assemblies and cathode assembly are assembled in mounting groove, the sealing container of an inner hollow should be formed.Container in the present embodiment is cube.It after assembling, can be arranged in parallel between positive plate 103 and minus plate 202, so there is two kinds of implementations, one kind is that positive plate is vertically arranged with titanium plate, and minus plate is vertically arranged with negative electrode steel plate；Another is that positive plate is identical with the incline direction of minus plate.
Arranged in a crossed manner between positive plate 103 and minus plate 202, now anode plate and cathode plate can not be contacted, and so there are two kinds of implementations, one kind be between positive plate and titanium plate at an angle, and minus plate is vertical with negative electrode steel plate；Second is that positive plate is vertical with titanium plate, and minus plate and negative electrode steel plate are angled；The third be between positive plate and titanium plate at an angle, and between minus plate and negative electrode steel plate at an angle.When using the third implementation, anode plate and cathode plate can not be contacted.
Preferably, the distance between threshold value negative electrode steel plate 201 of positive plate 103 of light electrolysis equipment in the present embodiment is 5mm to 20mm, or the distance between the threshold value titanium plate 102 of minus plate 202 is 5mm to 20mm, preferably 10mm.
Preferably, the die opening between the adjacent positive plate and the minus plate is less than 50mm, more preferably the distance between adjacent cathode plate and positive plate is 10mm.When die opening in the present embodiment is that the distance between adjacent anode plate and minus plate are more than 50mm, can be more power-consuming in the case where reaching same scale removal requirement, if the distance between anode plate and cathode plate are too small, it can cause frequent scale removal, therefore it is preferred that the vertical range between the adjacent positive plate and the minus plate is 10-50mm.
Preferably, being additionally provided with the waste liquid outlet that the fouling that apparatus for eliminating sludge is disposed is rinsed for discharging, preferably waste liquid discharge line in the bottom of light electrolysis equipment.Waste liquid discharge line can be arranged on mounting groove, can also be arranged on cathode assembly, or is arranged on anode assemblies, as long as waste liquid discharge line so can discharge the waste liquid after flushing by Action of Gravity Field in the bottom of light electrolysis equipment.
Preferably, as a kind of preferred embodiment, the scale removal component in the present embodiment is scraper plate 400.Scraper plate in the present embodiment can be fixed on mounting groove, can also be fixed on cathode assembly, as long as the fouling on cathode assembly can be removed.Referring to Fig. 8, scraper plate in the present embodiment is strip, the global shape of the scraper plate is suitable with the negative electrode steel plate, through hole 410 is set on scraper plate, the position of through hole 410, position of the number and shape with minus plate, number and shape are identical, scraper plate 400 is fixed on to the cathode side of the light electrolysis equipment during installation, make minus plate 202 simultaneously through the through hole 410 on scraper plate 400, so when pulling out minus plate 202, scraper plate 400 is motionless, the dirty layer on minus plate can just be struck off, or scraper plate is strip, strip scraper plate can be controlled to be moved along minus plate.
It should be noted that, cathode assembly in the present embodiment can be fixedly connected with mounting groove, scraper plate can be arranged on the inside of the hollow container of anode assemblies, cathode assembly and mounting groove formation, scraper plate is contacted with minus plate, control system can be set to control scraper plate to run, when control system judges to reach scale removal condition, just control scraper plate starts the dirty layer removed on minus plate, and this is needed
Waste liquid outlet is set in the installation trench bottom of light electrolysis equipment.Need not now cathode assembly be pulled out can complete scale removal.
Preferably, it is used as a kind of preferred embodiment, referring to Fig. 1, the light electrolysis equipment also includes cylinder 700, the gas rainbow 700 is fixedly connected with the negative electrode steel plate 201 of the cathode assembly 200, the cathode assembly 200 extruding is fixed on the framework of the mounting groove 300 by the gas rainbow 700, and the gas rainbow 700 can drive the cathode assembly 200 to move.Cathode assembly in the present embodiment is with mounting groove to be detachably connected, cathode assembly extruding can be fixed on mounting groove by gas rainbow or be pulled out cathode assembly with scale removal by gas rainbow, the main purpose for setting gas rainbow is for scale removal, gas rainbow drives cathode assembly motion, now scraper plate is contacted with minus plate, and scraper plate removes the incrustation scale of cathode plate surface.
Preferably, in order to avoid leak, the first gasket seal 500 is provided with the sealing ensured, the present embodiment between the framework of the anode assemblies and the mounting groove, the second gasket seal 600 is also equipped between the cathode assembly and the framework of the mounting groove.
Preferably, as a kind of preferred embodiment, the scale removal component is ultrasonic oscillator；The ultrasonic oscillator is preferably mounted on the anode assemblies and/or the cathode assembly.No matter ultrasonic oscillator is arranged on anode assemblies or cathode assembly, as long as making the direction of produced ultrasonic wave parallel with the direction of minus plate.
Preferably, set fluted on the negative electrode steel plate of the cathode assembly in the present embodiment；The ultrasonic oscillator is arranged in the groove.Ultrasonic oscillator is arranged on negative electrode steel plate by the present embodiment to be determined according to the actual conditions of light electrolysis groove, and bolt etc. is provided with general anode steel plate, on ultrasonic oscillator is there may be influence and installs inconvenient.Therefore ultrasonic oscillator is preferably arranged on negative electrode steel plate by the present embodiment.Concrete operations mode is to output groove on negative electrode steel plate, by ultrasonic oscillator welding in a groove, then reuses capping etc. and closes groove, can thus avoid corrosion, extends the service life of ultrasonic oscillator.
Preferably, to reduce ultrasonic wave penetration thickness, when oscillator is installed in groove, the thickness of the bottom of groove described in its front end is 2mm to 3.5mm.Vertical range i.e. between ultrasonic oscillator and minus plate should be 2mm to 3.5mm, had better not be more than 3mm.So when ultrasonic oscillator produces ultrasonic wave, its ultrasonic wave passes through the bottom of groove, so as to using the specific effect of ultrasonic wave, make the dirty layer on the minus plate being in recirculated water come off, finally reach the effect of scale removal.
Preferably, the frequency of the ultrasonic oscillator is 20 60kHz.
The quantity of ultrasonic oscillator is determined according to the quantity of minus plate, ultrasonic oscillator can be evenly distributed on negative electrode steel plate, the arrangement mode of best ultrasonic oscillator is parallel with minus plate, i.e. several ultrasonic oscillators formation one is arranged, the columns formed is identical with the columns of minus plate, and ultrasonic oscillator row and minus plate are point-blank.Meanwhile, should also including ultrasonic power etc. other devices.When needing scale removal, ultrasonic power is opened, ultrasonic wave is produced between ultrasonic oscillator, because the vibration frequency of minus plate is different with the vibration frequency of dirty layer, therefore dirty layer on minus plate comes off, after scale removal is finished, opening
The wealthy door of waste liquid outlet, the dirty layer come off and the recirculated water remained in light electrolysis equipment are discharged by the waste liquid outlet of light electrolysis device bottom together.
It should be noted that the scale removal component of the present invention can also be any physics or biological descaling equipment, as long as can be used in combination with the light electrolysis equipment in the present invention.
The present invention also provides the control method of the light electrolysis equipment of any of the above-described embodiment, i.e., when the light electrolysis equipment reaches scale removal condition, light electrolysis equipment out of service, and carries out offline scale removal to the light electrolysis equipment.
The scale removal condition is 60% of the thick die opening being more than between the minus plate and the positive plate of dirt on the minus plate of cathode assembly, or the cycles of concentration K deflected areas 8 ± 4 of recirculated water, or it is more than lOkPa for the pipeline pressure drop △ P of light electrolysis equipment, or the tank voltage V of light electrolysis equipment is increased beyond 500mV.Four kinds of conditions of the above reach any one condition, and light electrolysis equipment enters offline desmut step.When using dirt thickness as parameter, dirty thickness should not exceed 0.6 times of the distance between minus plate and positive plate, therefore offline desmut step is put into when dirt thickness exceedes 0.6 times of the distance between minus plate and positive plate, general enters desmut step when the dirt thickness on the minus plate of the cathode assembly is more than 30mm.
The idiographic flow of wherein offline scale removal is：It is first turned off the power supply of the light electrolysis groove, the wealthy door of circulating water intake is closed using manual, semi or fully automatic method again and fresh water discharges wealthy door, it is then turned on the scale removal component about (T2) point of light electrolysis equipment, resistor to be cleaned stops, open waste liquid and discharge wealthy door, discharge opeing (T4) opens the wealthy door of flushing water water inlet after the second（It is the wealthy door of fresh water out in the present embodiment）, fliud flushing (T5) is after the second, and closing waste liquid discharges wealthy door, the ^:Electrolysis installation scale removal is finished, into stand-by state.
Accordingly, referring to Fig. 9, the present invention also provides a kind of integrated water treatment device, including the light electrolysis equipment 1 described in any embodiment;Also include power supply 2, control system, wealthy door and detection means；The power supply 2 is used for the ^：Electrolysis installation is powered；The control system is connected with the wealthy door and detection means respectively, the unlatching for controlling wealthy door according to the signal of the detection means received；The inlet tube of the light electrolysis equipment 1 is connected with circulating water inlet road 3, and the outlet of the light electrolysis equipment 1 is connected with fresh water outlet conduit 4.
Preferably, the detection means includes dirty amount detecting device 5, the dirty amount detecting device 5 is used to detect the amount of scale buildup on the minus plate of the light electrolysis equipment.Wherein, the dirty amount detecting device is connected with the minus plate.
Preferably, the detection means includes cycles of concentration detection means 6, the cycles of concentration detection means 6 is used for the cycles of concentration for detecting recirculated water.
Preferably, the detection means includes pipeline pressure detection device 7, the pipeline pressure detection device 7 is used for the pipeline pressure for detecting the integrated water treatment device.
Preferably, the detection means includes tank voltage detection means 8, the tank voltage detection means 8 is used to detect described
The tank voltage of light electrolysis equipment.
It should be noted that, detection means can be any one or a few in dirty amount detecting device, cycles of concentration detection means, pipeline pressure detection device or tank voltage detection means, as long as the parameter that detection means is detected reaches scale removal condition, light electrolysis equipment is put into offline desmut step.
Control system can control light electrolysis equipment normally to run or enter offline scale removal program according to the testing result of detection means, while when light electrolysis equipment is run or when entering offline scale removal program, the switch of the corresponding wealthy door of control system control.
Preferably, the wealthy door includes, the wealthy door 9 of recirculated water water inlet, fresh water discharge wealthy door 10 and waste liquid discharges wealthy door 11;Wherein described recirculated water intakes wealthy door 9 on the circulating water inlet road 3, the fresh water is discharged wealthy door 10 and is arranged on the fresh water outlet conduit 4, the flushing water inlet valve is arranged on flushing water inlet channel, and the waste liquid is discharged wealthy door 11 and is arranged on waste liquid discharge line 12.Using fresh water out as water inlet is rinsed in the present embodiment, which simplify process pipelines design.
Preferably, the control system also includes liquid level detection device；The liquid level detection device is used for the liquid level for detecting the light electrolysis equipment.
Preferably, being additionally provided with the water meter of measurement water and the flowmeter of measurement instantaneous velocity on the circulating water inlet road.
Preferably, the integrated water treatment device also includes electrolyte inlet filter, the recirculated water enters back into the ^ after the electrolyte inlet filter process：Electrolysis installation.Electrolyte inlet filter in the present embodiment is used to filter the big impurity and flocculate removed in recirculated water, can so improve the service life of light electrolysis equipment, extends the scavenging period of light electrolysis equipment.Or also connected between water circulating pump and aqua storage tank by bypassing, when this mainly considers that light electrolysis equipment needs the scale removal to stop using, recirculated water can not pass through ^:Electrolysis installation and return directly to aqua storage tank.
Preferably, the integrated water treatment device is mobile integral type, the integrated water treatment device also includes base, and the light electrolysis equipment and its power supply, control system, wealthy door and detection means are installed on the base.Base in the present embodiment is made up of channel-section steel and steel plate, is not only able to carry the relevant device being disposed thereon, and convenient lifting.
Preferably, the integrated water treatment device is additionally provided with sample detection platform.Preferably, in integrated water treatment device in the present embodiment, relevant device is rationally set, after being completed, only circulating water intake, circulating water outlet and the water circulating pump return port being connected with extraneous recirculated cooling water, the connection that interface pipe and external electrical are only need to be performed when using can be to use, and occupation area of equipment is small, very easy to use.
The present invention also provides a kind of method for treating circulating cooling water, using the light electrolysis equipment for circulating water cooling treatment described in above-mentioned any embodiment；
Anode connection plate 104 and cathode connection plate 203 are connected respectively to the positive pole and negative pole of power supply when using, now circulated
Cooling water enters light electrolysis equipment, light electrolysis equipment is flowed out after the electrolysis of light electrolysis equipment, after a period of time, the cathode plate surface of cathode assembly is adsorbed with certain thickness fouling, now light electrolysis equipment out of service, light electrolysis equipment enters light electrolysis equipment after desmut step, scale removal and reruned.In use, the intake assembly 800 of circulating cooling wetting system is connected with the inlet tube 305 of mounting groove, recirculated cooling water enters light electrolysis equipment by inlet tube, is flowed out after electrolysis is handled from the outlet of mounting groove.When needing scale removal, ^ out of service：Electrolysis installation, open waste liquid outlet 307, cylinder can be used to pull out cathode assembly, scraper plate removes the incrustation scale of minus plate upper surface during pull-out, dirt is discharged from waste liquid outlet, cylinder is returned to extrusion position again afterwards, carrying out cleaning to light electrolysis equipment with recirculated water can reuse；Or light electrolysis equipment out of service, close the wealthy door of recirculated cooling water water inlet, close fresh water and discharge wealthy door, recirculated water is full of in electrolytic cell, then start ultrasonic oscillator and carry out ultrasound wave descaling, scale removal is finished, and opens waste liquid outlet 307, and the recirculated water in electrolytic cell and the fouling come off are discharged together.
Preferably, light electrolysis equipment uses the electric current of light electrolysis equipment in constant-current supply, i.e. processing procedure constant.
Preferably, the current density of the light electrolysis equipment is 10 ~ 50A/m2;It is 0.02 ~ 0.2 m/s by the recirculated cooling water flow rates of the light electrolysis equipment, its water (flow) direction is vertical with the direction of an electric field that light electrolysis equipment is formed.
Embodiment 1
Small-sized light electrolysis experimental provision is made, anode dimension is：50mm X 100mm, cathode size is：It is connected in parallel between 50mm x 100mm, electrode, cathode and anode spacing 10mm.Electrolyte uses running water, water quality such as table 1.Flow is controlled in 2.5L/min, is tested at room temperature, the corresponding relation of fouling reaction time and amount of scale buildup under research same current density.Table 1
Detection project symbolic unit numerical value
The total alkalinitys one of pH pH 7.75 are with CaC03Meter, the total hardnesss one of mg/L 170.0 are with CaC03Meter, the calcium ions one of mg/L 219.9 are with CaC03Meter, the sodium ion Na+ mg/L 8.9 of mg/L 144.0 dredge acid group S04 2The electrical conductivity κ μ S/cm 440 of the chloride CI of-mg/L 38.18-mg/L 19.3 are under 10A/m2 current density, and the fouling for carrying out 24h, 48h, 72h, 96h and 120h respectively using same group of 2 pieces of negative electrodes is tested.The fouling quality tested every time is weighed, and records corresponding magnitude of voltage.Referring to Figure 10 and Figure 11,
It can be seen that：A. amount of scale buildup rises with the time, but not fairly linear relation, and the time is longer, and scaling rate is slower；B. with the increase of fouling time, magnitude of voltage is constantly raised and speedup is more and more faster.
Tank voltage ascensional range more than it can be seen from experiment using recirculated water light electrolysis equipment can be increased beyond 500mV as the tank voltage V that scale removal condition, i.e. scale removal condition are light electrolysis equipment, and this method goes for practical application.Embodiment 2
Using electrode shop small-scale ultrasonic cleaning machine, its ultrasonic wave transmission power is 600W, and liquid heating power is 500W, and the ultrasonic frequency is 40kHz.Water temperature heating is put into the negative electrode of fouling 72h in embodiment 1 to 50 °C, and the dirty layer opened on ultrasound emission switch, minus plate comes off, and timing.Weighed after end and calculate scale removal amount.
The ultrasound wave descaling rate of table 2 and scale removal time comparison table
Drawn from upper table, in 600W ultrasound emission power and 50 °C of water temperature, scale removal effect is very good.Embodiment 3
Make micro-electrolysis device, the micro-electrolysis device includes anode assemblies, mounting groove, cathode assembly, liquid inlet duct and liquid outlet tube, wherein cathode electrode area is 0.0704m2, and anode assemblies and cathode assembly are separately mounted in first flange and second flange.Liquid inlet duct is arranged on the bottom of the tank house formed by first flange, second flange, the first cell body, the second cell body, liquid outlet tube and is arranged on the top of tank house, and ultrasonic oscillator is arranged in the groove that negative electrode steel plate is set.The distance of the thickness of the bottom of its groove, i.e. bottom portion of groove to minus plate and negative electrode steel plate junction is 3mm.After micro-electrolysis device works a period of time, cathode surface is covered with the incrustation scale that thickness is 1mm, now starts scale removal component and carries out ultrasound wave descaling.Idiographic flow is：It is first turned off the ^：The power supply of electrolytic cell, the wealthy door of circulating water intake is closed with full-automatic method and fresh water discharges wealthy door, and supersonic generator power on, ultrasonic wave starts transmitting, the ultrasonic wave transmission power used is 100W, supersonic frequency is 28kHz, by ul-trasonic irradiation, and incrustation scale, which is continuously available, washes away vibrations, gradually loosen and come off from cathode surface, it can be seen that sheet is presented in cell body bottom in incrustation scale constantly product, while water body is full of incrustation scale ^：Grain and be creamy white, after 30min, stop scale removal component, that is the dump of supersonic generator, waste liquid is discharged wealthy door and opened, after discharge opeing 10 seconds, flushing water is that the wealthy door of fresh water out is opened into wealthy door, and fliud flushing is after 30 seconds, and waste liquid is discharged wealthy door and closed.Now, micro- electricity
Solution equipment scale removal is finished, into stand-by state.Metal covering is exposed using the minus plate after the ultrasound wave descaling substantially.Descaling rate is about 88%.Embodiment 4
Certain insecticide factory's back yard industry water system, originally using chemicals treatment, but fouling is serious, have impact on normal production.The pilot experiment of light electrolysis equipment processing is agreed to carry out by negotiated manufacturer.Experimental result is as follows：
The moisturizing water quality of table 3
Wherein calcium is hard, total alkalinity and total hardness are in terms of CaC03.
By ^：After electrolysis installation processing, the water quality of recirculated cooling water is shown in Table 2, meets recirculated cooling water and uses standard, and stable equipment operation.
The circulating water quality of table 4
The running of above-mentioned light electrolysis equipment is divided into light electrolysis equipment energization work and the scale removal of light electrolysis equipment regenerates two steps.Energization job step is to apply certain current strength to light electrolysis equipment, under electric field force and chemical reaction collective effect, the cathode plate surface of light electrolysis equipment is by fouling, the small part bow ion that can be gone in water removal, most of bow ion still participates in the circulation of cooling water, also there is part to bend ion to close with chlorion Parties, reach the effect of Slow erosions；Anode produces chlorine, and chlorine leach forms hypochlorous acid in water, and the effect with sterilization, in addition, anode and cathode creates strong acid and strong alkali environment respectively, sufficient bactericidal action is also played to the water for flowing through light electrolysis equipment.Scale removal regeneration step is that in light electrolysis equipment after working after a while, cathode surface dirt amount is thickened, what voltage was carried out in the case of increasing.
Scale removal component described in during scale removal is integrally fixed at the strip scraper plate on mounting groove, and the length of scraper plate is suitable with the width of minus plate, and scraper plate is moved along minus plate during scale removal.When the fouling thickness that control system is detected on cathode assembly reaches preset value, just control scraper plate starts the dirty layer removed on minus plate, and from ^：Bottom of electrolytic tank sewage draining exit discharges dirty liquid.
Light electrolysis equipment is used in the processing of recirculated cooling water by the present invention, equipment in itself without with produce any harmful components, existing traditional medicament method draining pollution problem because caused by adding medicament can be improved, do not increase the sewage disposal burden of factory；It is significantly reduced for the water quality requirement of fresh makeup water, economic benefit and social benefit are notable.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but therefore can not be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be defined by claim.
Claims (1)
- Claim1st, a kind of light electrolysis equipment, it is characterised in that including anode assemblies, cathode assembly, mounting groove and scale removal component, wherein the anode and cathode of the anode assemblies and cathode assembly is staggered installation of on the mounting groove；The scale removal component is arranged on the anode assemblies or on the cathode assembly or on the mounting groove.2nd, the light electrolysis equipment according to claim 1, it is characterized in that, the mounting groove includes first party flange, second party flange, the first cell body, the second cell body, inlet tube and outlet, the first party flange, second party flange, the first cell body and the second cell body form the framework of mounting groove, the two ends of first cell body and the second cell body are separately fixed on the first party flange and the second party flange, and the inlet tube and the outlet are symmetrically fixed on first cell body or the second cell body.3rd, the light electrolysis equipment according to claim 2, it is characterized in that, the anode assemblies include anode steel plate, titanium plate, several positive plates, anode connection plate and gib block, the anode steel plate is parallel with the titanium plate to be fixedly connected, several described positive plates are fixed in the titanium plate, the gib block is provided with above and below the positive plate, parallel to each other between several described positive plates, the anode connection plate is fixed on the anode steel plate；The positive plate is vertical with the drink plate.4th, the light electrolysis equipment according to claim 3, it is characterized in that, the cathode assembly includes negative electrode steel plate, several minus plates and cathode connection plate, the minus plate is vertically fixed on the negative electrode steel plate, the cathode connection plate is fixed on the negative electrode steel plate, is be arranged in parallel between several described minus plates；The minus plate is vertical with the negative electrode steel plate.5th, the light electrolysis equipment according to claim 4, it is characterised in that the interpolar 3 between the adjacent positive plate and the minus plate is huge less than 50mm.6th, the light electrolysis equipment according to claim 1 to 5 any one, it is characterised in that the scale removal component is scraper plate, the scraper plate is used to handle the fouling on the cathode assembly.7th, the light electrolysis equipment according to claim 6, it is characterized in that, the light electrolysis equipment also includes cylinder, the gas rainbow is fixedly connected with the cathode assembly, cathode assembly extruding is fixed on the framework of the mounting groove by the gas rainbow, and the gas rainbow can drive the cathode assembly to move.8th, the light electrolysis equipment according to claim 7, it is characterised in that the cathode assembly and the anode assemblies frame insulation respectively with the mounting groove and sealing.9th, the light electrolysis equipment according to claim 1 to 5 any one, it is characterised in that the scale removal component is ultrasonic oscillator；The ultrasonic oscillator is arranged on the anode assemblies and/or the cathode assembly, and the ultrasonic wave direction that it is produced during operation ultrasonic oscillator is parallel with electrode surface. 10th, light electrolysis equipment according to claim 9, it is characterised in that set fluted on the negative electrode steel plate of the cathode assembly, the ultrasonic oscillator is arranged in the groove, and the thickness of the bottom of the groove is 2mm to 3.5mm.11st, the control method of the light electrolysis equipment described in a kind of claim 1 to 10 any one, it is characterized in that, when the light electrolysis equipment reaches scale removal condition, light electrolysis equipment out of service, and offline scale removal regeneration is carried out to the light electrolysis equipment.12nd, control method according to claim 11, it is characterised in that the scale removal condition is 60% of the thick die opening being more than between the minus plate and the positive plate of dirt on the minus plate of the cathode assembly.13rd, control method according to claim 11, it is characterised in that the scale removal condition is the cycles of concentration K deflected areas 8 ± 4 of recirculated water.14th, control method according to claim 11, it is characterised in that the scale removal condition is more than 10kPa for the pipeline pressure drop Δ Ρ of light electrolysis equipment.15th, control method according to claim 11, it is characterised in that the scale removal condition is increased beyond 500mV for the tank voltage V of light electrolysis equipment.16th, a kind of integrated water treatment device, it is characterised in that including the light electrolysis equipment described in claim 1 to 10 any one；Also include power supply, control system, wealthy door and detection means；The power supply is used for the ^：Electrolysis installation is powered；The control system is connected with the wealthy door and detection means respectively, for the signal according to the detection means received and the operation of data message control program；The inlet tube of the light electrolysis equipment is connected with circulating water inlet road, and the outlet of the light electrolysis equipment is connected with fresh water outlet conduit.17th, the integrated water treatment device according to claim 16, it is characterised in that the detection means includes dirty amount detecting device, the dirty amount detecting device is used to detect the amount of scale buildup on the minus plate of the light electrolysis equipment.18th, the integrated water treatment device according to claim 16, it is characterised in that the detection means includes cycles of concentration detection means, the cycles of concentration detection means is used for the cycles of concentration for detecting recirculated water.19th, the integrated water treatment device according to claim 16, it is characterised in that the control detection means includes pipeline pressure detection device, the pipeline pressure detection device is used for the pipeline pressure for detecting the integrated water treatment device.20th, the integrated water treatment device according to claim 16, it is characterised in that the detection means includes tank voltage detection means, the tank voltage detection means is used for the tank voltage for detecting the light electrolysis equipment.21st, the integrated water treatment device according to claim 16 to 20 any one, it is characterised in that described wealthy Door includes the wealthy door of recirculated water water inlet, fresh water and discharges wealthy door and the wealthy door of waste liquid discharge；Wherein described recirculated water intakes wealthy door on the circulating water inlet road, and the fresh water is discharged wealthy door and is arranged on the fresh water outlet conduit, and the waste liquid is discharged wealthy door and is arranged on waste liquid discharge line.22nd, the integrated water treatment device according to claim 21, it is characterised in that the detection means also includes liquid level detection device；The liquid level detection device is used for the liquid level for detecting the light electrolysis equipment.23rd, the integrated water treatment device according to claim 21, it is characterised in that be additionally provided with flowmeter on the circulating water inlet road.24th, the integrated water treatment device according to claim 21, it is characterised in that the integrated water treatment device also includes electrolyte inlet filter, the recirculated water enters back into described after the electrolyte inlet filter process:Electrolysis installation.25th, the integrated water treatment device according to claim 16, it is characterized in that, the integrated water treatment device is mobile integral type, the integrated water treatment device also includes base, and the light electrolysis device power supply (DPS), control system, wealthy door and detection means are installed on the base.26th, a kind of method for treating water, for recirculated cooling water, it is characterised in that using the light electrolysis equipment described in claim 1 to 10 any one；Anode connection plate and cathode connection plate are connected respectively to the positive pole and negative pole of power supply when using, now recirculated cooling water enters light electrolysis equipment, light electrolysis equipment is flowed out after the electrolysis of light electrolysis equipment, after a period of time, the cathode surface of cathode assembly has certain thickness dirt, now light electrolysis equipment enters light electrolysis equipment after desmut step, scale removal and reruned.
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| PCT/CN2014/072034 WO2015120597A1 (en) | 2014-02-13 | 2014-02-13 | Micro-electrolysis device and control method, integrated water processing device and water processing method |
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| CZ (1) | CZ30040U1 (en) |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106698606A (en) * | 2017-02-17 | 2017-05-24 | 厦门绿信环保科技有限公司 | Integral external water heater scale-inhibition device and scale-inhibition method |
| CN106698599A (en) * | 2016-12-30 | 2017-05-24 | 武汉兴天宇环境股份有限公司 | Integrated micro-electrolysis reaction device and use method |
| CN109231352A (en) * | 2018-10-11 | 2019-01-18 | 东北大学 | A kind of apparatus and method of ultrasound electrocoagulation coupling processing high concentrated organic wastewater |
| CN111268767A (en) * | 2020-01-21 | 2020-06-12 | 广东原之生农业科技有限公司 | Automatic pickling control method and device for electrolytic cell and storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113915914B (en) * | 2021-10-26 | 2023-03-24 | 湖南嘉力亚新材料有限公司 | Cooling device for anode green body in prebaked anode production |
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| CN105593171B (en) | 2018-11-06 |
| WO2015120597A1 (en) | 2015-08-20 |
| DE212014000250U1 (en) | 2016-09-23 |
| RU175552U1 (en) | 2017-12-08 |
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