CN103601270A - Electrolysis phosphorus removal device capable of reducing anode passivation - Google Patents
Electrolysis phosphorus removal device capable of reducing anode passivation Download PDFInfo
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- CN103601270A CN103601270A CN201310590134.9A CN201310590134A CN103601270A CN 103601270 A CN103601270 A CN 103601270A CN 201310590134 A CN201310590134 A CN 201310590134A CN 103601270 A CN103601270 A CN 103601270A
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Abstract
The invention discloses an electrolysis phosphorus removal device capable of reducing anode passivation, which comprises an electrolytic tank, metal polar plate fixing slots, a metal polar plate and an electrode controller, wherein the metal polar plate fixing slots are spaced in the electrolytic tank in pairs; the metal polar plate comprises a cathode plate and an anode plate; the cathode plate and the anode plate are inserted into a metal polar plate fixing slot respectively; the anode and cathode of the electrode controller are connected with the anode plate and the cathode plate through a wire respectively; the electrode controller can periodically change the polarities of the anode plate and cathode plate. In the electrolysis phosphorus removal device capable of reducing anode passivation disclosed by the invention, the electrodes of the anode plate and cathode plate can be changed by the electrode controller, the deposition of solid adsorbates (such as aluminum phosphate, aluminum hydroxide and aluminum oxide) on the surface of the metal polar plate can be effectively reduced, and the phenomenon of anode passivation is relieved; the device has the advantages of small volume, simplicity in operation, good phosphorus removal effect and small sludge amount, does not need additional drugs and can automatically run for long time.
Description
Technical field
The present invention relates to a kind of improvement of device for removing phosphorous by electrolysis, refer in particular to a kind of device for removing phosphorous by electrolysis that adopts transposing electrode to weaken the reduced anode passivation of anode passivation phenomenon.
Background technology
Nitrogen phosphorus enters water body in a large number, can cause body eutrophication.Body eutrophication, algae meeting amount reproduction, water surface algal tufa is assembled, and stink fills the air, and has a strong impact on the tourism of Hu Ku, so that loses travel value.In addition, a large amount of planktonic organisms that grow in eutrophic water body, also can plug channel, affects shipping.
Common sewage dephosphorization method has chemical precipitation method and biological process.The precipitator method are applied in various sewage treatment process widely as a kind of effective physical means.But the sludge quantity that the method produces is large, if it adopts aluminum salt flocculant can cause secondary pollution, if add the Corrosion blockage problem that Ferric Salt Flocculants can bring equipment.The dephosphorization efficiency by using of biological dephosphorization is stable not, particularly to not good containing the higher water treatment effect of phosphorus concentration, can not meet the sewage drainage standard of increasingly stringent.In recent years, electrolysis dephosphorization technique due to simple to operate, floor space is little, the sludge quantity that produces is few, the high various countries' focus of attention that enjoys of dephosphorization efficiency by using.
In electrolytic process dephosphorization process, often can run into soluble metal anode generation passivation phenomenon.Under the effect of impressed current, in reaction process, can generate fine and close nonconducting oxide compound, anode is covered, thus the release of obstruction metal ion.Along with the carrying out of electrolysis, sull constantly thickens its resistance is constantly increased, and causes constantly reducing by the electric current of electrolytic system, and electrode reaction rate reduction, finally affects the dephosphorization efficiency by using of electrolytic process, causes cost to raise.
For this reason, we have researched and developed a kind of device for removing phosphorous by electrolysis that adopts transposing electrode to weaken the reduced anode passivation of anode passivation phenomenon.
Summary of the invention
The present invention seeks to provide in order to overcome the deficiencies in the prior art a kind of device for removing phosphorous by electrolysis that adopts transposing electrode to weaken the reduced anode passivation of anode passivation phenomenon.
For achieving the above object, the technical solution used in the present invention is: a kind of device for removing phosphorous by electrolysis that reduces anode passivation, comprises electrolyzer, metal polar plate pickup groove, metal polar plate, electrode controller; Described metal polar plate pickup groove is spaced apart and arranged in electrolyzer in pairs; Described metal polar plate, comprises negative plate, positive plate; Described negative plate, positive plate insert respectively in a metal polar plate pickup groove; The positive pole of described electrode controller, negative pole are connected with positive plate, negative plate by wire respectively; Described electrode controller can periodic variation positive plate, the polarity of negative plate.
Preferably, the described device for removing phosphorous by electrolysis that reduces anode passivation, also comprises power supply; Described power supply provides electric energy for negative plate, positive plate; The power of described power supply is 50-1500 watt.
Preferably, described positive plate, negative plate are made by aluminium sheet respectively.
Preferably, described electrode controller, comprises the first rly., the second rly., terminal; 1 pin of described terminal meets DC24V+, and 2 pin of terminal meet DC24V-; The break-make of described the first Control DC24V+; 1 pin of described the second rly. and 2 pin are that common port, 3 pin and 5 pin are normally closed contact, and 4 pin and 6 pin are normally opened contact; When the first relay closes, 1 pin of the second rly. is DC24V+, and the second rly. 2 pin are DC24V-; Now keep the normally closed contact of the second rly. closed, 1 pin of the second rly. and 3 pin are connected, and the second rly. 2 pin and 5 pin are connected, and now 4 pin of terminal are DC24V+, and 3 pin of terminal are DC24V-; When needs change polarity chron, the normally closed contact of controlling the second rly. disconnects, and normally opened contact is closed, and 1 pin of the second rly. and 4 pin are connected, and the second rly. 2 pin and 6 pin are connected, and now 3 pin of terminal are DC24V+, and 4 pin of terminal are DC24V-; Realize by changing 3 pin of terminal and the output polarity of 4 pin and change polarity of electrode.
Preferably, between described negative plate, positive plate, be provided with metal polar plate space regulator; Distance between described metal polar plate space regulator adjustable cathode plate and positive plate.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The device for removing phosphorous by electrolysis that reduces anode passivation of the present invention, can change by electrode controller the electrode of positive plate, negative plate,, while there is passive film on normal operation for some time anode, by electrode controller, changing former positive plate is that new negative plate, former negative plate are new anode plate, the passive film on former anode can come off, thereby can effectively reduce the passive film deposition on metal polar plate surface, passive film is one deck solid absorption thing (as aluminum phosphate, aluminium hydroxide, aluminum oxide etc.), has weakened anode passivation phenomenon; This device volume is little, simple to operate, and without outer adding medicine, phosphor-removing effect is good, and sludge quantity is few, for a long time automatic operating.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the schematic diagram that reduces the device for removing phosphorous by electrolysis of anode passivation of the present invention;
Accompanying drawing 2 is the schematic circuit of the electrode controller of the device for removing phosphorous by electrolysis that reduces anode passivation of the present invention;
Wherein: 1, metal polar plate pickup groove; 2, metal polar plate; 3, flushing pipeline; 4, combination drive pump; 5, metal polar plate space regulator.
embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing 1,2 is the device for removing phosphorous by electrolysis that reduces anode passivation of the present invention, comprises electrolyzer (not shown), metal polar plate pickup groove 1, metal polar plate 2, electrode controller (not marking); Described metal polar plate pickup groove 1 is spaced apart and arranged in electrolyzer in pairs; Described metal polar plate 2, comprises negative plate, positive plate; Described negative plate, positive plate insert respectively in a metal polar plate pickup groove 1; The positive pole of described electrode controller, negative pole are connected with positive plate, negative plate by wire respectively; Described electrode controller can periodic variation positive plate, the polarity of negative plate.
The described device for removing phosphorous by electrolysis that reduces anode passivation, also comprises power supply; Described power supply provides electric energy for negative plate, positive plate; The power of described power supply is 50-1500 watt; After positive plate work 1-150 minute, stop power supply 30-3600 seconds of power supply; Subsequently, electrode controller is controlled the power supply reverse of polarity, and positive plate becomes the negative plate 1-150 minute that works again; Periodic cycle like this; Described positive plate, negative plate are made by aluminium sheet respectively; Between described negative plate, positive plate, be provided with metal polar plate space regulator 5; Distance between described metal polar plate space regulator 5 adjustable cathode plates and positive plate; The bottom of described metal polar plate pickup groove 1 is provided with combination drive pump 4; The outlet of described combination drive pump 4 is connected with flushing pipeline 3; Described flushing pipeline 3 has at least a part to be arranged between negative plate and positive plate; On described flushing pipeline 3, be evenly equipped with water outlet (not marking); When 4 work of combination drive pump, combination drive pump 4 drives current to flow into flushing pipeline 3, and goes out from water outlet, and impacts negative plate, positive plate, so that the solid absorption thing on metal polar plate surface comes off.
As shown in Figure 2, described electrode controller, comprises the first rly. O_K7, the second rly. O_K8, terminal OUT4; 1 pin of described terminal OUT4 meets DC24V+, and 2 pin of terminal OUT4 meet DC24V-; Described the first rly. O_K7 controls the break-make of DC24V+; 1 pin of described the second rly. O_K8 and 2 pin are that common port, 3 pin and 5 pin are normally closed contact, and 4 pin and 6 pin are normally opened contact; When the first rly. O_K7 is closed, 1 pin of the second rly. O_K8 is DC24V+, and 2 pin of the second rly. O_K8 are DC24V-; Now keep the normally closed contact of the second rly. O_K8 closed, 1 pin of the second rly. O_K8 and 3 pin are connected, and 2 pin of the second rly. O_K8 and 5 pin are connected, and now 4 pin of terminal OUT4 are DC24V+, and 3 pin of terminal OUT4 are DC24V-; When needs change polarity chron, the normally closed contact of controlling the second rly. O_K8 disconnects, and normally opened contact is closed, 1 pin of the second rly. O_K8 and 4 pin are connected, 2 pin of the second rly. O_K8 and 6 pin are connected, and now 3 pin of terminal OUT4 are DC24V+, and 4 pin of terminal OUT4 are DC24V-; Realize by changing 3 pin of terminal OUT4 and the output polarity of 4 pin and change polarity of electrode.
During work, the electrode of metal electrode board installs and is adjusted to after suitable spacing, switches on power, and O_K7 is closed, the normally closed contact of O_K8 closed (seeing accompanying drawing 2), normal operation 1-150 minute; Subsequently, the power supply 0.5-60 minute that stops power supply; Then, the normally closed contact of controlling O_K8 disconnects, and normally opened contact is closed.Electrolyzer middle-jiao yang, function of the spleen and stomach pole plate is converted to negative plate, and negative plate is transformed to positive plate, the electrolyzer 1-150 minute that reworks; Periodic cycle like this.After electrolysis for some time, the solid matter that is adsorbed in metal electrode board surface can come off as aluminum phosphate, aluminium hydroxide, aluminum oxide etc. after the conversion of pole plate positive and negative electrode.Because the water yield of sewage is unstable, the water yield in electrolyzer changes.During work, can adjust at any time suitable electrolysis time and electrolysing period according to the sewage quantity that flows into electrolytic system, make device for removing phosphorous by electrolysis section work at a fixed time.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The device for removing phosphorous by electrolysis that reduces anode passivation of the present invention, can change by electrode controller the electrode of positive plate, negative plate,, while there is passive film on normal operation for some time anode, by electrode controller, changing former positive plate is that new negative plate, former negative plate are new anode plate, the passive film on former anode can come off, thereby can effectively reduce the passive film deposition on metal polar plate surface, passive film is one deck solid absorption thing (as aluminum phosphate, aluminium hydroxide, aluminum oxide etc.), has weakened anode passivation phenomenon; This device volume is little, simple to operate, and without outer adding medicine, phosphor-removing effect is good, and sludge quantity is few, for a long time automatic operating.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a device for removing phosphorous by electrolysis for anode passivation be can reduce, electrolyzer, metal polar plate pickup groove, metal polar plate, electrode controller comprised; Described metal polar plate pickup groove is spaced apart and arranged in electrolyzer in pairs; Described metal polar plate, comprises negative plate, positive plate; Described negative plate, positive plate insert respectively in a metal polar plate pickup groove; It is characterized in that: the positive pole of described electrode controller, negative pole are connected with positive plate, negative plate by wire respectively; Described electrode controller can periodic variation positive plate, the polarity of negative plate.
2. the device for removing phosphorous by electrolysis that reduces anode passivation according to claim 1, is characterized in that: also comprise power supply; Described power supply provides electric energy for negative plate, positive plate; The power of described power supply is 50-1500 watt.
3. the device for removing phosphorous by electrolysis that reduces anode passivation according to claim 1 and 2, is characterized in that: described positive plate, negative plate are made by aluminium sheet respectively.
4. the device for removing phosphorous by electrolysis that reduces anode passivation according to claim 3, is characterized in that: described electrode controller, comprises the first rly., the second rly., terminal; 1 pin of described terminal meets DC24V+, and 2 pin of terminal meet DC24V-; The break-make of described the first Control DC24V+; 1 pin of described the second rly. and 2 pin are that common port, 3 pin and 5 pin are normally closed contact, and 4 pin and 6 pin are normally opened contact; When the first relay closes, 1 pin of the second rly. is DC24V+, and the second rly. 2 pin are DC24V-; Now keep the normally closed contact of the second rly. closed, 1 pin of the second rly. and 3 pin are connected, and the second rly. 2 pin and 5 pin are connected, and now 4 pin of terminal are DC24V+, and 3 pin of terminal are DC24V-; When needs change polarity chron, the normally closed contact of controlling the second rly. disconnects, and normally opened contact is closed, and 1 pin of the second rly. and 4 pin are connected, and the second rly. 2 pin and 6 pin are connected, and now 3 pin of terminal are DC24V+, and 4 pin of terminal are DC24V-; Realize by changing 3 pin of terminal and the output polarity of 4 pin and change polarity of electrode.
5. the device for removing phosphorous by electrolysis that reduces anode passivation according to claim 4, is characterized in that: between described negative plate, positive plate, be provided with metal polar plate space regulator; Distance between described metal polar plate space regulator adjustable cathode plate and positive plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310590134.9A CN103601270A (en) | 2013-11-22 | 2013-11-22 | Electrolysis phosphorus removal device capable of reducing anode passivation |
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| CN201310590134.9A CN103601270A (en) | 2013-11-22 | 2013-11-22 | Electrolysis phosphorus removal device capable of reducing anode passivation |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184782A (en) * | 1996-12-06 | 1998-06-17 | 三洋电机株式会社 | Method and apparatus for treating wastewater contg. phosphoric acid radical |
| JP2000176454A (en) * | 1998-12-16 | 2000-06-27 | Sanyo Electric Co Ltd | Treatment device and method for phosphate ion- containing water |
| JP2000176456A (en) * | 1998-12-16 | 2000-06-27 | Sanyo Electric Co Ltd | Treatment device and method for phosphate ion- containing water |
| CN1259489A (en) * | 1998-12-16 | 2000-07-12 | 三洋电机株式会社 | Method and equipment for treating waste water contg. phosphate radical ion |
| CN201864609U (en) * | 2010-11-04 | 2011-06-15 | 苏州嘉净环保科技股份有限公司 | Device for removing phosphorous by electrolysis |
| CN102259957A (en) * | 2011-07-28 | 2011-11-30 | 成都凯迈科技有限公司 | Sewage treatment electrolytic tank |
| CN202337833U (en) * | 2011-11-30 | 2012-07-18 | 福州浩达智能科技有限公司 | Periodic pole-reversing type electrolytic device |
| CN102976453A (en) * | 2012-12-20 | 2013-03-20 | 山东国辰环境科技有限公司 | Electrolytic dephosphorization equipment |
| CN203568888U (en) * | 2013-11-22 | 2014-04-30 | 苏州优德通力电气有限公司 | Electrolysis dephosphorization device capable of reducing anode passivation |
-
2013
- 2013-11-22 CN CN201310590134.9A patent/CN103601270A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184782A (en) * | 1996-12-06 | 1998-06-17 | 三洋电机株式会社 | Method and apparatus for treating wastewater contg. phosphoric acid radical |
| JP2000176454A (en) * | 1998-12-16 | 2000-06-27 | Sanyo Electric Co Ltd | Treatment device and method for phosphate ion- containing water |
| JP2000176456A (en) * | 1998-12-16 | 2000-06-27 | Sanyo Electric Co Ltd | Treatment device and method for phosphate ion- containing water |
| CN1259489A (en) * | 1998-12-16 | 2000-07-12 | 三洋电机株式会社 | Method and equipment for treating waste water contg. phosphate radical ion |
| CN201864609U (en) * | 2010-11-04 | 2011-06-15 | 苏州嘉净环保科技股份有限公司 | Device for removing phosphorous by electrolysis |
| CN102259957A (en) * | 2011-07-28 | 2011-11-30 | 成都凯迈科技有限公司 | Sewage treatment electrolytic tank |
| CN202337833U (en) * | 2011-11-30 | 2012-07-18 | 福州浩达智能科技有限公司 | Periodic pole-reversing type electrolytic device |
| CN102976453A (en) * | 2012-12-20 | 2013-03-20 | 山东国辰环境科技有限公司 | Electrolytic dephosphorization equipment |
| CN203568888U (en) * | 2013-11-22 | 2014-04-30 | 苏州优德通力电气有限公司 | Electrolysis dephosphorization device capable of reducing anode passivation |
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Application publication date: 20140226 |